/* ── CalcDigi – Main Stylesheet ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
:root{
  --c-ink:#1a1a18;--c-ink2:#4a4a45;--c-ink3:#8a8a82;
  --c-rule:#e8e8e2;--c-rule2:#f2f2ec;--c-bg:#fafaf7;--c-surface:#ffffff;
  --c-accent:#1a5c3a;--c-accent-lt:#edf5f0;--c-accent2:#c8832a;--c-accent2-lt:#fdf5ea;
  --c-blue:#1a3d8a;--c-blue-lt:#e8f0fd;
  --c-purple:#5c1a5c;--c-purple-lt:#f8edf8;
  --c-red:#8a1a1a;--c-red-lt:#fdedf0;
  --font-serif:'DM Serif Display',Georgia,serif;
  --font-sans:'DM Sans',system-ui,sans-serif;
  --radius-sm:6px;--radius-md:12px;--radius-lg:20px;--radius-xl:28px;
  --max-w:1180px;--transition:0.18s ease;
  --shadow-sm:0 1px 3px rgba(0,0,0,0.07);
  --shadow-md:0 4px 16px rgba(0,0,0,0.09);
  --shadow-lg:0 8px 32px rgba(0,0,0,0.12);
}
html{scroll-behavior:smooth;}
body{font-family:var(--font-sans);font-size:16px;line-height:1.65;color:var(--c-ink);background:var(--c-bg);-webkit-font-smoothing:antialiased;transition:background-color .35s ease,color .35s ease;}
html{scroll-behavior:smooth;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
.container{max-width:var(--max-w);margin:0 auto;padding:0 24px;}

/* ── Navigation ── */
.nav{position:sticky;top:0;z-index:100;background:rgba(250,250,247,0.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--c-rule);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px;}
.logo{display:flex;align-items:baseline;gap:2px;flex-shrink:0;}
.logo-mark{font-family:var(--font-serif);font-size:22px;color:var(--c-ink);letter-spacing:-0.3px;}
.logo-dot{width:6px;height:6px;background:var(--c-accent);border-radius:50%;display:inline-block;margin-left:2px;margin-bottom:6px;}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;}
.nav-links a{display:block;padding:6px 14px;font-size:14px;font-weight:400;color:var(--c-ink2);border-radius:var(--radius-sm);transition:background var(--transition),color var(--transition);}
.nav-links a:hover{background:var(--c-rule2);color:var(--c-ink);}
.nav-links a.active,.nav-links a[aria-current="page"]{background:var(--c-accent-lt);color:var(--c-accent);font-weight:500;}
.nav-right{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;font-family:var(--font-sans);font-size:14px;font-weight:500;border-radius:var(--radius-sm);cursor:pointer;transition:transform .2s cubic-bezier(.34,1.56,.64,1),background var(--transition),box-shadow var(--transition);border:none;text-decoration:none;}
.btn:hover{transform:translateY(-1px) scale(1.02);}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--c-accent);color:#fff;position:relative;overflow:hidden;}
.btn-primary:hover{background:#145030;box-shadow:var(--shadow-md);}
.btn-primary::after{content:'';position:absolute;top:0;left:-75%;width:50%;height:100%;background:linear-gradient(120deg,transparent,rgba(255,255,255,0.35),transparent);transform:skewX(-20deg);transition:left .7s ease;pointer-events:none;}
.btn-primary:hover::after{left:130%;}
.btn-outline{background:transparent;color:var(--c-ink);border:1.5px solid var(--c-rule);}
.btn-outline:hover{background:var(--c-rule2);}
.btn-lg{padding:12px 28px;font-size:16px;}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none;}
.hamburger span{display:block;width:22px;height:2px;background:var(--c-ink);border-radius:2px;transition:all var(--transition);}

/* ── Hero ── */
.hero{padding:80px 0 64px;text-align:center;}
.hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--c-accent-lt);color:var(--c-accent);font-size:13px;font-weight:500;padding:4px 12px;border-radius:20px;margin-bottom:24px;}
.hero h1{font-family:var(--font-serif);font-size:clamp(36px,5vw,64px);line-height:1.12;letter-spacing:-1px;max-width:780px;margin:0 auto 20px;}
.hero h1 em{color:var(--c-accent);font-style:normal;}
.hero-sub{font-size:18px;color:var(--c-ink2);max-width:560px;margin:0 auto 36px;font-weight:300;}
.hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;}

/* ── Search Bar ── */
.search-wrap{max-width:600px;margin:40px auto 0;position:relative;}
.search-wrap input{width:100%;padding:14px 48px 14px 20px;font-family:var(--font-sans);font-size:15px;border:1.5px solid var(--c-rule);border-radius:var(--radius-lg);background:#fff;color:var(--c-ink);outline:none;transition:border var(--transition),box-shadow .35s cubic-bezier(.16,1,.3,1);box-shadow:var(--shadow-sm);}
.search-wrap input:focus{border-color:var(--c-accent);box-shadow:0 0 0 5px rgba(26,92,58,0.14);}
.search-wrap .search-icon{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--c-ink3);}
.search-results{position:absolute;top:calc(100% + 6px);left:0;right:0;background:#fff;border:1.5px solid var(--c-rule);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:50;max-height:320px;overflow-y:auto;display:none;}
.search-results.active{display:block;}
.search-result-item{display:flex;align-items:center;gap:10px;padding:10px 16px;cursor:pointer;transition:background var(--transition);}
.search-result-item:hover{background:var(--c-rule2);}
.search-result-item .sri-icon{font-size:18px;}
.search-result-item .sri-name{font-size:14px;font-weight:500;}
.search-result-item .sri-cat{font-size:12px;color:var(--c-ink3);}

/* ── Section ── */
.section{padding:64px 0;}
.section-alt{background:var(--c-surface);}
.section-header{margin-bottom:40px;}
.section-header.centered{text-align:center;}
.section-label{font-size:12px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--c-accent);margin-bottom:8px;}
.section-title{font-family:var(--font-serif);font-size:clamp(26px,3.5vw,40px);letter-spacing:-0.5px;line-height:1.2;margin-bottom:12px;}
.section-desc{font-size:16px;color:var(--c-ink2);max-width:580px;}
.section-header.centered .section-desc{margin:0 auto;}

/* ── Category Pills ── */
.cat-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px;}
.cat-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border-radius:20px;font-size:13px;font-weight:500;cursor:pointer;transition:all var(--transition);border:1.5px solid var(--c-rule);background:#fff;color:var(--c-ink2);}
.cat-pill:hover,.cat-pill.active{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}

/* ── Calculator Cards Grid ── */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;}
.calc-card{
  background:rgba(255,255,255,0.6);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,0.7);box-shadow:0 1px 2px rgba(20,40,30,0.05), inset 0 1px 0 rgba(255,255,255,0.7);
  border-radius:var(--radius-lg);padding:24px;display:flex;flex-direction:column;gap:16px;
  position:relative;overflow:hidden;--mx:50%;--my:50%;--rx:0deg;--ry:0deg;
  transition:box-shadow .3s ease,border-color .3s ease,background .3s ease,transform .3s cubic-bezier(.16,1,.3,1);
  transform:perspective(900px) rotateX(var(--ry)) rotateY(var(--rx)) translateY(0);
}
.calc-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,92,58,0.03) 0%,transparent 60%);pointer-events:none;}
.calc-card::after{content:'';position:absolute;inset:0;border-radius:inherit;padding:1px;background:radial-gradient(240px circle at var(--mx) var(--my), rgba(26,92,58,.55), transparent 60%);-webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s ease;pointer-events:none;}
.calc-card:hover{border-color:rgba(26,92,58,0.35);box-shadow:var(--shadow-md);transform:perspective(900px) rotateX(var(--ry)) rotateY(var(--rx)) translateY(-4px);}
.calc-card:hover::after{opacity:1;}
body.dark .calc-card{background:rgba(255,255,255,0.045);border-color:rgba(255,255,255,0.08);box-shadow:inset 0 1px 0 rgba(255,255,255,0.04);}
.card-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;}
.card-tag{display:inline-flex;align-items:center;font-size:11px;font-weight:600;letter-spacing:0.8px;text-transform:uppercase;padding:3px 8px;border-radius:4px;}
.card-title{font-family:var(--font-serif);font-size:18px;line-height:1.3;letter-spacing:-0.2px;}
.card-desc{font-size:13.5px;color:var(--c-ink2);line-height:1.55;flex:1;}
.card-cta{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:var(--c-accent);margin-top:4px;transition:gap var(--transition);}
.calc-card:hover .card-cta{gap:10px;}

/* ── Calculator Page Layout ── */
.calc-page{padding:40px 0 80px;}
.calc-breadcrumb{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--c-ink3);margin-bottom:32px;}
.calc-breadcrumb a{color:var(--c-ink3);transition:color var(--transition);}
.calc-breadcrumb a:hover{color:var(--c-accent);}
.calc-breadcrumb span{color:var(--c-ink3);}

.calc-main h1{font-family:var(--font-serif);font-size:clamp(28px,4vw,44px);letter-spacing:-0.5px;line-height:1.2;margin-bottom:12px;}
.calc-main .calc-intro{font-size:16px;color:var(--c-ink2);margin-bottom:32px;max-width:600px;}


/* ── Calculator Widget ── */
.calc-widget{background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:var(--radius-xl);padding:28px;box-shadow:var(--shadow-md);}
.calc-widget h2{font-family:var(--font-serif);font-size:20px;margin-bottom:20px;letter-spacing:-0.2px;}
.form-group{margin-bottom:16px;}
.form-group label{display:block;font-size:13px;font-weight:500;color:var(--c-ink2);margin-bottom:6px;}
.form-group input,.form-group select{width:100%;padding:10px 14px;font-family:var(--font-sans);font-size:15px;border:1.5px solid var(--c-rule);border-radius:var(--radius-sm);background:#fff;color:var(--c-ink);outline:none;transition:border var(--transition),box-shadow var(--transition);}
.form-group input:focus,.form-group select:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(26,92,58,0.1);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.calc-btn{width:100%;padding:13px;font-family:var(--font-sans);font-size:15px;font-weight:600;background:var(--c-accent);color:#fff;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition);margin-top:8px;}
.calc-btn:hover{background:#145030;box-shadow:var(--shadow-md);}

/* ── Results ── */
.result-box{display:none;margin-top:20px;border-radius:var(--radius-md);border:1.5px solid var(--c-rule);overflow:hidden;}
.result-box.visible{display:block;animation:fadeSlide 0.3s ease;}
@keyframes fadeSlide{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.result-item{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-bottom:1px solid var(--c-rule);}
.result-item:last-child{border-bottom:none;}
.result-item.highlight{background:var(--c-accent-lt);}
.result-item .ri-label{font-size:13px;color:var(--c-ink2);}
.result-item .ri-value{font-size:15px;font-weight:600;color:var(--c-ink);}
.result-item.highlight .ri-value{color:var(--c-accent);}
.result-chart{margin-top:16px;display:flex;justify-content:center;}
.ai-box{margin-top:16px;padding:14px;background:linear-gradient(135deg,#edf5f0,#f8fdf9);border:1px solid rgba(26,92,58,0.2);border-radius:var(--radius-md);}
.ai-box .ai-header{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--c-accent);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px;}
.ai-box p{font-size:13.5px;color:var(--c-ink2);line-height:1.6;}
.disclaimer{font-size:11.5px;color:var(--c-ink3);background:var(--c-rule2);border-radius:var(--radius-sm);padding:10px 12px;margin-top:12px;border-left:3px solid var(--c-ink3);}

/* ── Content Sections on Calc Pages ── */
.content-section{margin-top:48px;}
.content-section h2{font-family:var(--font-serif);font-size:24px;letter-spacing:-0.3px;margin-bottom:12px;}
.content-section h3{font-size:16px;font-weight:600;margin-bottom:8px;margin-top:16px;}
.content-section p{font-size:15px;color:var(--c-ink2);line-height:1.7;margin-bottom:12px;}
.content-section ul{padding-left:20px;color:var(--c-ink2);font-size:15px;line-height:1.7;}
.content-section ul li{margin-bottom:6px;}
.formula-box{background:var(--c-rule2);border-radius:var(--radius-md);padding:16px 20px;margin:16px 0;font-family:monospace;font-size:14px;color:var(--c-ink);border-left:4px solid var(--c-accent);}

/* ── FAQ ── */
.faq-list{display:flex;flex-direction:column;gap:0;border:1.5px solid var(--c-rule);border-radius:var(--radius-lg);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--c-rule);}
.faq-item:last-child{border-bottom:none;}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;cursor:pointer;font-weight:500;font-size:15px;transition:background var(--transition);}
.faq-q:hover{background:var(--c-rule2);}
.faq-q .faq-icon{font-size:18px;color:var(--c-ink3);transition:transform var(--transition);flex-shrink:0;}
.faq-q.open .faq-icon{transform:rotate(45deg);}
.faq-a{display:none;padding:0 20px 16px;font-size:14px;color:var(--c-ink2);line-height:1.65;}
.faq-a.open{display:block;}

/* ── Related Calculators ── */
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-top:16px;}
.related-card{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:var(--radius-md);transition:all var(--transition);}
.related-card:hover{border-color:var(--c-accent);background:var(--c-accent-lt);}
.related-card .rc-icon{font-size:20px;}
.related-card .rc-name{font-size:13px;font-weight:500;}

/* ── Footer ── */
.footer{background:#1a1a18;color:rgba(255,255,255,0.7);padding:56px 0 32px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px;}
.footer-brand .logo-mark{color:#fff;}
.footer-brand p{font-size:13.5px;margin-top:12px;line-height:1.6;max-width:260px;}
.footer h4{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:#fff;margin-bottom:16px;}
.footer ul{list-style:none;}
.footer ul li{margin-bottom:8px;}
.footer ul a{font-size:13.5px;color:rgba(255,255,255,0.6);transition:color var(--transition);}
.footer ul a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;}
.footer-bottom p{font-size:12.5px;}
.footer-bottom-links{display:flex;gap:20px;}
.footer-bottom-links a{font-size:12.5px;color:rgba(255,255,255,0.5);transition:color var(--transition);}
.footer-bottom-links a:hover{color:#fff;}


/* ── Stats Bar ── */
.stats-bar{background:var(--c-surface);border-top:1px solid var(--c-rule);border-bottom:1px solid var(--c-rule);padding:20px 0;}
.stats-inner{display:flex;justify-content:center;gap:48px;flex-wrap:wrap;}
.stat-item{text-align:center;}
.stat-num{font-family:var(--font-serif);font-size:28px;color:var(--c-accent);}
.stat-label{font-size:12px;color:var(--c-ink3);text-transform:uppercase;letter-spacing:1px;}

/* ── Tag Colors ── */
.tag-health{background:var(--c-red-lt);color:var(--c-red);}
.tag-finance{background:var(--c-accent-lt);color:var(--c-accent);}
.tag-math{background:var(--c-blue-lt);color:var(--c-blue);}
.tag-everyday{background:var(--c-purple-lt);color:var(--c-purple);}
.icon-health{background:var(--c-red-lt);}
.icon-finance{background:var(--c-accent-lt);}
.icon-math{background:var(--c-blue-lt);}
.icon-everyday{background:#f8edf8;}

/* ── Cookie Banner ── */
.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:var(--c-ink);color:#fff;padding:16px 24px;z-index:999;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;transform:translateY(100%);transition:transform 0.4s ease;}
.cookie-banner.show{transform:translateY(0);}
.cookie-actions{display:flex;gap:10px;flex-shrink:0;}
.cookie-accept{background:var(--c-accent);color:#fff;border:none;padding:8px 18px;border-radius:var(--radius-sm);font-size:13px;cursor:pointer;font-family:var(--font-sans);}
.cookie-decline{background:transparent;color:rgba(255,255,255,0.6);border:1px solid rgba(255,255,255,0.3);padding:8px 14px;border-radius:var(--radius-sm);font-size:13px;cursor:pointer;font-family:var(--font-sans);}

/* ── Back to Top ── */
.back-top{position:fixed;bottom:24px;right:24px;width:40px;height:40px;background:var(--c-accent);color:#fff;border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transition:opacity var(--transition),transform var(--transition);pointer-events:none;font-size:16px;z-index:90;}
.back-top.show{opacity:1;pointer-events:all;}
.back-top:hover{transform:translateY(-3px);}

/* ── Mobile Menu Toggle Button (No circle outline, exact squircle match) ── */
#hamburger{
  background: transparent !important;
  border: none !important;
  border-radius: 12px !important;
  box-shadow: none !important;
  outline: none !important;
  padding: 8px !important;
  width: auto !important;
  height: auto !important;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
#hamburger:hover{
  background: rgba(0,0,0,0.05) !important;
}
body.dark #hamburger:hover{
  background: rgba(255,255,255,0.08) !important;
}
@media(min-width:768px){#hamburger{display:none !important;}}

/* ── Mobile Nav ── */
.mobile-nav{display:none;position:fixed;top:64px;left:0;right:0;bottom:0;background:var(--c-bg);z-index:99;padding:24px;overflow-y:auto;flex-direction:column;gap:8px;}
.mobile-nav.open{display:flex;}
.mobile-nav a{display:block;padding:12px 16px;font-size:16px;font-weight:400;color:var(--c-ink);border-radius:var(--radius-md);border:1.5px solid var(--c-rule);background:#fff;text-decoration:none;transition:all var(--transition);}
.mobile-nav a:hover{background:var(--c-accent-lt);border-color:var(--c-accent);}

/* ── Responsive ── */
@media(max-width:1024px){
  
  
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:768px){
  .nav-links,.nav-right .btn-outline{display:none;}
  .hamburger{display:flex;}
  .hero{padding:48px 0 40px;}
  .section{padding:48px 0;}
  .cards-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));}
  .stats-inner{gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:480px){
  .container{padding:0 16px;}
  .cards-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:center;}
  .footer-bottom{flex-direction:column;text-align:center;}
}

/* ── Page-specific policy pages ── */
.policy-page{padding:60px 0 80px;max-width:780px;margin:0 auto;}
.policy-page h1{font-family:var(--font-serif);font-size:clamp(28px,4vw,42px);margin-bottom:8px;}
.policy-page .updated{font-size:13px;color:var(--c-ink3);margin-bottom:32px;}
.policy-page h2{font-family:var(--font-serif);font-size:22px;margin:32px 0 12px;}
.policy-page p,.policy-page li{font-size:15px;color:var(--c-ink2);line-height:1.75;margin-bottom:10px;}
.policy-page ul{padding-left:20px;}
.policy-page a{color:var(--c-accent);text-decoration:underline;}

/* ══════════════════════════════════════════
   CalcDigi — Enhancement Layer
   Adds new features using existing design tokens
   ══════════════════════════════════════════ */

/* ── Dark Mode ── */
[data-theme="dark"]{
  --c-ink:#f0f0ec;--c-ink2:#b0b0a8;--c-ink3:#707068;
  --c-rule:#2a2a26;--c-rule2:#1e1e1a;--c-bg:#111110;--c-surface:#1a1a18;
  --c-accent-lt:rgba(26,92,58,0.18);--c-accent2-lt:rgba(200,131,42,0.15);
  --c-blue-lt:rgba(26,61,138,0.2);--c-purple-lt:rgba(92,26,92,0.2);
}
[data-theme="dark"] .nav{background:rgba(17,17,16,0.92);}
[data-theme="dark"] .calc-widget,[data-theme="dark"] .calc-card,[data-theme="dark"] .related-card{background:var(--c-surface);}
[data-theme="dark"] .form-group input,[data-theme="dark"] .form-group select{background:#222220;color:var(--c-ink);border-color:var(--c-rule);}
[data-theme="dark"] .mobile-nav,[data-theme="dark"] .mobile-nav a{background:var(--c-bg);}
[data-theme="dark"] .search-wrap input{background:#1a1a18;color:var(--c-ink);}
[data-theme="dark"] .search-results{background:#1a1a18;}
[data-theme="dark"] .ai-chat-bubble.assistant{background:#1e2820;}
[data-theme="dark"] .mega-menu-panel{background:#1a1a18;border-color:var(--c-rule);}
[data-theme="dark"] .trending-chip{background:var(--c-surface);}
[data-theme="dark"] .ai-floating-btn{background:var(--c-accent);}
[data-theme="dark"] .history-item{background:var(--c-surface);}

/* ── Dark Mode Toggle ── */
.dark-toggle{width:36px;height:36px;border-radius:var(--radius-sm);border:1.5px solid var(--c-rule);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:15px;transition:all var(--transition);color:var(--c-ink2);}
.dark-toggle:hover{background:var(--c-rule2);color:var(--c-ink);}

/* ── Mega Menu ── */
.nav-mega{position:relative;}
.nav-mega > a{display:flex;align-items:center;gap:4px;padding:6px 14px;font-size:14px;color:var(--c-ink2);border-radius:var(--radius-sm);transition:all var(--transition);cursor:pointer;}
.nav-mega > a:hover{background:var(--c-rule2);color:var(--c-ink);}
.nav-mega > a .chevron{font-size:10px;transition:transform var(--transition);}
.nav-mega:hover > a .chevron{transform:rotate(180deg);}
.mega-menu-panel{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:20px;min-width:540px;display:none;z-index:200;animation:fadeSlide 0.15s ease;}
.nav-mega:hover .mega-menu-panel{display:block;}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;}
.mega-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-md);transition:background var(--transition);cursor:pointer;text-decoration:none;color:inherit;}
.mega-item:hover{background:var(--c-rule2);}
.mega-item-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;}
.mega-item-text{font-size:13px;font-weight:500;line-height:1.2;}
.mega-item-sub{font-size:11px;color:var(--c-ink3);margin-top:1px;}
.mega-header{font-size:11px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--c-ink3);padding:4px 12px 8px;grid-column:1/-1;}
.mega-divider{grid-column:1/-1;height:1px;background:var(--c-rule);margin:8px 0;}

/* ── AI Assistant Floating Button ── */
.ai-floating-btn{position:fixed;bottom:80px;right:24px;width:52px;height:52px;background:linear-gradient(135deg,var(--c-accent),#2a7a50);color:#fff;border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 20px rgba(26,92,58,0.35);z-index:89;font-size:22px;transition:all 0.2s ease;}
.ai-floating-btn:hover{transform:scale(1.08) translateY(-2px);box-shadow:0 6px 28px rgba(26,92,58,0.45);}
.ai-floating-btn .ai-pulse{position:absolute;top:-2px;right:-2px;width:12px;height:12px;background:var(--c-accent2);border-radius:50%;border:2px solid var(--c-bg);}

/* ── AI Assistant Modal ── */
.ai-modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:300;display:none;align-items:flex-end;justify-content:flex-end;padding:24px;}
.ai-modal-overlay.open{display:flex;}
.ai-modal{background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:var(--radius-xl);width:100%;max-width:400px;height:560px;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);animation:fadeSlide 0.2s ease;}
.ai-modal-head{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid var(--c-rule);}
.ai-modal-head .ai-avatar{width:36px;height:36px;background:linear-gradient(135deg,var(--c-accent),#2a7a50);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;flex-shrink:0;}
.ai-modal-head-info{flex:1;}
.ai-modal-head-info strong{font-size:14px;font-weight:600;display:block;}
.ai-modal-head-info span{font-size:12px;color:var(--c-ink3);}
.ai-modal-close{width:28px;height:28px;border:none;background:var(--c-rule2);border-radius:50%;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;color:var(--c-ink2);}
.ai-modal-msgs{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;}
.ai-chat-bubble{max-width:85%;padding:10px 14px;border-radius:14px;font-size:13.5px;line-height:1.6;}
.ai-chat-bubble.assistant{background:var(--c-accent-lt);color:var(--c-ink);border-bottom-left-radius:4px;align-self:flex-start;border:1px solid rgba(26,92,58,0.15);}
.ai-chat-bubble.user{background:var(--c-accent);color:#fff;border-bottom-right-radius:4px;align-self:flex-end;}
.ai-chat-bubble.loading::after{content:'●●●';animation:dots 1.2s infinite;letter-spacing:2px;}
@keyframes dots{0%,100%{opacity:0.3;}50%{opacity:1;}}
.ai-modal-input{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--c-rule);}
.ai-modal-input input{flex:1;padding:9px 14px;font-family:var(--font-sans);font-size:14px;border:1.5px solid var(--c-rule);border-radius:var(--radius-md);background:var(--c-bg);color:var(--c-ink);outline:none;}
.ai-modal-input input:focus{border-color:var(--c-accent);}
.ai-modal-send{width:36px;height:36px;background:var(--c-accent);color:#fff;border:none;border-radius:var(--radius-md);cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;}
.ai-quick-btns{display:flex;flex-wrap:wrap;gap:6px;padding:0 16px 12px;}
.ai-quick-btn{font-size:12px;padding:5px 10px;border-radius:20px;border:1.5px solid var(--c-rule);background:transparent;cursor:pointer;color:var(--c-ink2);font-family:var(--font-sans);transition:all var(--transition);}
.ai-quick-btn:hover{border-color:var(--c-accent);color:var(--c-accent);background:var(--c-accent-lt);}


/* ── AI Features Section ── */
.ai-features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;}
.ai-feature-card{background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:var(--radius-lg);padding:24px;transition:all var(--transition);position:relative;overflow:hidden;}
.ai-feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--c-accent),#2a7a50);}
.ai-feature-card:hover{border-color:rgba(26,92,58,0.4);box-shadow:var(--shadow-md);transform:translateY(-2px);}
.ai-feat-icon{width:44px;height:44px;background:var(--c-accent-lt);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px;}
.ai-feat-title{font-family:var(--font-serif);font-size:17px;margin-bottom:6px;letter-spacing:-0.2px;}
.ai-feat-desc{font-size:13.5px;color:var(--c-ink2);line-height:1.6;margin-bottom:14px;}
.ai-feat-try{font-size:12.5px;color:var(--c-accent);font-weight:500;display:flex;align-items:center;gap:4px;cursor:pointer;transition:gap var(--transition);}
.ai-feature-card:hover .ai-feat-try{gap:8px;}
.ai-badge{display:inline-flex;align-items:center;gap:4px;background:linear-gradient(135deg,var(--c-accent-lt),#f0faf4);color:var(--c-accent);font-size:10px;font-weight:600;padding:2px 7px;border-radius:4px;letter-spacing:0.5px;text-transform:uppercase;border:1px solid rgba(26,92,58,0.2);}

/* ── Calculation History ── */
.history-panel{background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:var(--radius-lg);padding:20px;}
.history-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.history-header h3{font-family:var(--font-serif);font-size:16px;}
.history-clear{font-size:12px;color:var(--c-ink3);background:none;border:none;cursor:pointer;font-family:var(--font-sans);}
.history-clear:hover{color:var(--c-red);}
.history-list{display:flex;flex-direction:column;gap:8px;}
.history-item{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--c-bg);border-radius:var(--radius-md);border:1px solid var(--c-rule);font-size:13px;transition:border-color var(--transition);}
.history-item:hover{border-color:var(--c-accent);}
.history-item .hi-name{font-weight:500;}
.history-item .hi-time{font-size:11px;color:var(--c-ink3);}
.history-item .hi-result{font-weight:600;color:var(--c-accent);}
.history-empty{text-align:center;color:var(--c-ink3);font-size:13px;padding:20px 0;}

/* ── Newsletter ── */
.newsletter-section{background:linear-gradient(135deg,var(--c-accent-lt),#f5fdf8);border:1.5px solid rgba(26,92,58,0.15);border-radius:var(--radius-xl);padding:40px;text-align:center;}
.newsletter-section h3{font-family:var(--font-serif);font-size:24px;margin-bottom:8px;}
.newsletter-section p{font-size:15px;color:var(--c-ink2);margin-bottom:24px;}
.newsletter-form{display:flex;gap:10px;max-width:420px;margin:0 auto;flex-wrap:wrap;justify-content:center;}
.newsletter-form input{flex:1;min-width:220px;padding:11px 16px;font-family:var(--font-sans);font-size:14px;border:1.5px solid var(--c-rule);border-radius:var(--radius-md);background:#fff;outline:none;transition:border var(--transition);}
.newsletter-form input:focus{border-color:var(--c-accent);}
.newsletter-form button{padding:11px 22px;background:var(--c-accent);color:#fff;border:none;border-radius:var(--radius-md);font-family:var(--font-sans);font-size:14px;font-weight:500;cursor:pointer;transition:all var(--transition);}
.newsletter-form button:hover{background:#145030;box-shadow:var(--shadow-md);}
.newsletter-success{display:none;color:var(--c-accent);font-size:14px;font-weight:500;margin-top:12px;}

/* ── Testimonials ── */
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;}
.testimonial-card{background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:var(--radius-lg);padding:24px;}
.testimonial-stars{color:var(--c-accent2);font-size:14px;margin-bottom:12px;letter-spacing:2px;}
.testimonial-text{font-size:14px;color:var(--c-ink2);line-height:1.7;margin-bottom:16px;}
.testimonial-author{display:flex;align-items:center;gap:10px;}
.testimonial-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;color:#fff;flex-shrink:0;}
.testimonial-name{font-size:13px;font-weight:600;}
.testimonial-role{font-size:12px;color:var(--c-ink3);}

/* ── How It Works ── */
.how-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;counter-reset:steps;}
.how-step{background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:var(--radius-lg);padding:24px;position:relative;counter-increment:steps;}
.how-step::before{content:counter(steps);position:absolute;top:-1px;left:-1px;width:28px;height:28px;background:var(--c-accent);color:#fff;font-size:12px;font-weight:700;border-radius:var(--radius-lg) 0 var(--radius-md) 0;display:flex;align-items:center;justify-content:center;}
.how-step-icon{font-size:28px;margin-bottom:12px;}
.how-step h4{font-size:15px;font-weight:600;margin-bottom:6px;}
.how-step p{font-size:13.5px;color:var(--c-ink2);line-height:1.6;}

/* ── Trust Bar ── */
.trust-bar{background:var(--c-surface);border-top:1px solid var(--c-rule);border-bottom:1px solid var(--c-rule);padding:16px 0;}
.trust-inner{display:flex;align-items:center;justify-content:center;gap:32px;flex-wrap:wrap;}
.trust-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink2);}
.trust-item span:first-child{font-size:18px;}
.trust-item strong{color:var(--c-ink);}

/* ── Popular This Week ── */
.popular-list{display:flex;flex-direction:column;gap:0;border:1.5px solid var(--c-rule);border-radius:var(--radius-lg);overflow:hidden;}
/* ── Category Page Hero ── */
.cat-hero{padding:48px 0 40px;border-bottom:1px solid var(--c-rule);}
.cat-hero-inner{display:flex;align-items:center;gap:20px;}
.cat-hero-icon{width:64px;height:64px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:30px;flex-shrink:0;}
.cat-hero-text h1{font-family:var(--font-serif);font-size:clamp(28px,4vw,40px);letter-spacing:-0.5px;line-height:1.2;}
.cat-hero-text p{font-size:15px;color:var(--c-ink2);margin-top:6px;}

/* ── Mobile Enhancements ── */
@media(max-width:768px){
  .ai-modal{max-width:100%;height:65vh;border-radius:var(--radius-xl) var(--radius-xl) 0 0;}
  .ai-modal-overlay{align-items:flex-end;padding:0;}
  .mega-menu-panel{display:none!important;}
  .trending-strip{display:none;}
  .ai-features-grid{grid-template-columns:1fr;}
  .testimonials-grid{grid-template-columns:1fr;}
}
@media(max-width:480px){
  .how-steps{grid-template-columns:1fr;}
  .trust-inner{gap:16px;}
  .newsletter-form{flex-direction:column;}
  .newsletter-form input,.newsletter-form button{width:100%;}
}

/* ── Smooth scroll + focus ring ── */
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.skip-link{position:absolute;top:-40px;left:0;background:var(--c-accent);color:#fff;padding:8px 16px;z-index:9999;font-size:14px;transition:top 0.2s;}
.skip-link:focus{top:0;}

/* ── Animated counter ── */
.stat-num[data-target]{transition:none;}

/* ── Calc page AI insight button ── */
.ai-insight-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;background:var(--c-accent-lt);color:var(--c-accent);border:1px solid rgba(26,92,58,0.2);border-radius:var(--radius-md);font-size:13px;font-weight:500;cursor:pointer;font-family:var(--font-sans);transition:all var(--transition);margin-top:8px;}
.ai-insight-btn:hover{background:var(--c-accent);color:#fff;}
.ai-insight-btn.loading{opacity:0.6;cursor:wait;}

/* ── Recently used ── */
.recent-calcs{display:flex;flex-wrap:wrap;gap:8px;}
.recent-calc-chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:var(--radius-md);font-size:12.5px;font-weight:500;transition:all var(--transition);text-decoration:none;color:var(--c-ink2);}
.recent-calc-chip:hover{border-color:var(--c-accent);color:var(--c-accent);background:var(--c-accent-lt);}


/* ══════════════════════════════════════════════
   CalcDigi – Enhanced Features CSS
   Same design system: DM Serif + DM Sans,
   --c-accent:#1a5c3a, --c-ink:#1a1a18
   ══════════════════════════════════════════════ */

/* ── Dark Mode ── */
body.dark{
  --c-ink:#f0f0ec;--c-ink2:#b8b8b0;--c-ink3:#6a6a62;
  --c-rule:#2e2e2a;--c-rule2:#252521;--c-bg:#141412;--c-surface:#1e1e1a;
  --c-accent-lt:#162b1e;--c-accent2-lt:#2a1f0e;
  --c-blue-lt:#0e1626;--c-purple-lt:#1a0e1a;--c-red-lt:#200e0e;
}
body.dark .nav{background:rgba(20,20,18,0.92);}
body.dark .calc-widget{background:var(--c-surface);}
body.dark .form-group input,body.dark .form-group select{background:var(--c-rule2);color:var(--c-ink);border-color:var(--c-rule);}
body.dark .search-wrap input{background:var(--c-rule2);color:var(--c-ink);}
body.dark .search-results{background:var(--c-surface);border-color:var(--c-rule);}
body.dark .faq-list{border-color:var(--c-rule);}
body.dark .cookie-banner{background:#0e0e0c;}
body.dark .mobile-nav a{background:var(--c-surface);border-color:var(--c-rule);}
body.dark .calc-card{background:var(--c-surface);}
body.dark .related-card{background:var(--c-surface);}
body.dark .ai-assistant-panel{background:var(--c-surface);}
body.dark .mega-dropdown{background:var(--c-surface);border-color:var(--c-rule);}
body.dark .trending-tag{background:var(--c-rule2);color:var(--c-ink2);}
body.dark .history-item{background:var(--c-surface);border-color:var(--c-rule);}

/* ── Dark Mode Toggle Button ── */
.dark-toggle{
  width:36px;height:36px;border-radius:50%;border:1.5px solid var(--c-rule);
  background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:16px;transition:all var(--transition);flex-shrink:0;
}
.dark-toggle:hover{background:var(--c-rule2);}

/* ── AI Assistant Button ── */
.ai-btn{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;
  background:linear-gradient(135deg,var(--c-accent) 0%,#0f3d26 100%);
  color:#fff;border:none;border-radius:var(--radius-sm);font-size:13px;
  font-weight:500;cursor:pointer;transition:all var(--transition);font-family:var(--font-sans);
  animation:cd-ai-glow 2.6s ease-in-out infinite;
}
.ai-btn:hover{transform:translateY(-1px) scale(1.02);box-shadow:0 4px 12px rgba(26,92,58,0.35);animation-play-state:paused;}
@keyframes cd-ai-glow{0%,100%{box-shadow:0 0 0 0 rgba(26,92,58,.35);}50%{box-shadow:0 0 0 5px rgba(26,92,58,0);}}
.ai-btn-pulse{width:7px;height:7px;background:#6ee7b7;border-radius:50%;animation:pulse-green 1.8s infinite;}
@keyframes pulse-green{0%,100%{opacity:1;transform:scale(1);}50%{opacity:0.5;transform:scale(1.4);}}

/* ── Mega Menu ── */
.nav-item-dropdown{position:relative;}
.nav-item-dropdown>a::after{content:'▾';font-size:9px;margin-left:4px;vertical-align:middle;}
.mega-dropdown{
  position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);
  width:680px;background:var(--c-surface);border:1.5px solid var(--c-rule);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:24px;
  display:none;z-index:200;
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  opacity:0;pointer-events:none;transition:opacity 0.18s ease,transform 0.18s ease;
  transform:translateX(-50%) translateY(6px);
}
.nav-item-dropdown:hover .mega-dropdown,
.mega-dropdown:hover{opacity:1;pointer-events:all;transform:translateX(-50%) translateY(0);}
.mega-link{
  display:flex;align-items:center;gap:10px;padding:10px 12px;
  border-radius:var(--radius-md);transition:background var(--transition);font-size:13.5px;
  color:var(--c-ink2);
}
.mega-link:hover{background:var(--c-rule2);color:var(--c-ink);}
.mega-link-icon{font-size:18px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);background:var(--c-rule2);flex-shrink:0;}
.mega-link-name{font-size:13px;font-weight:500;}
.mega-link-cat{font-size:11px;color:var(--c-ink3);}

/* ── Hero Enhancements ── */
.hero-stats-row{
  display:flex;justify-content:center;gap:32px;flex-wrap:wrap;
  margin-top:48px;padding-top:32px;border-top:1px solid var(--c-rule);
}
.hero-stat{text-align:center;}
.hero-stat-num{font-family:var(--font-serif);font-size:26px;color:var(--c-accent);line-height:1;}
.hero-stat-label{font-size:11px;color:var(--c-ink3);text-transform:uppercase;letter-spacing:1px;margin-top:4px;}

/* ── Trending Strip ── */
.trending-strip{
  background:var(--c-surface);border-bottom:1px solid var(--c-rule);
  padding:12px 0;overflow:hidden;
}
.trending-inner{display:flex;align-items:center;gap:12px;}
.trending-label{font-size:12px;font-weight:600;color:var(--c-accent);text-transform:uppercase;letter-spacing:1px;flex-shrink:0;}
.trending-track{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;min-width:0;flex:1;}
.trending-track::-webkit-scrollbar{display:none;}
.trending-tag{
  display:inline-flex;align-items:center;gap:5px;padding:4px 12px;
  background:var(--c-rule2);border-radius:20px;font-size:12.5px;font-weight:500;
  color:var(--c-ink2);white-space:nowrap;transition:all var(--transition);flex-shrink:0;
  text-decoration:none;
}
.trending-tag:hover{background:var(--c-accent-lt);color:var(--c-accent);}
.trending-tag .trend-num{font-size:10px;color:var(--c-ink3);}

/* ── Category Filter Tabs ── */
.cat-tabs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:32px;
  border-bottom:1px solid var(--c-rule);padding-bottom:16px;
}
.cat-tab{
  padding:6px 16px;border-radius:20px;font-size:13px;font-weight:500;
  cursor:pointer;border:1.5px solid transparent;background:transparent;
  color:var(--c-ink2);transition:all var(--transition);font-family:var(--font-sans);
}
.cat-tab:hover{background:var(--c-rule2);}
.cat-tab.active{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.cat-tabs-sticky{position:sticky;top:64px;z-index:30;background:var(--c-bg);padding-top:12px;}

/* ── AI Assistant Floating Panel ── */
.ai-assistant-panel{
  position:fixed;bottom:80px;right:24px;width:360px;
  background:var(--c-surface);border:1.5px solid var(--c-rule);
  border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);
  z-index:500;display:none;flex-direction:column;overflow:hidden;
  max-height:520px;
}
.ai-assistant-panel.open{display:flex;}
.ai-panel-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--c-rule);
  background:linear-gradient(135deg,var(--c-accent-lt) 0%,var(--c-surface) 100%);
}
.ai-panel-title{display:flex;align-items:center;gap:8px;font-weight:600;font-size:14px;}
.ai-panel-title span{font-size:18px;}
.ai-panel-close{background:none;border:none;cursor:pointer;font-size:18px;color:var(--c-ink3);padding:0;line-height:1;}
.ai-panel-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px;}
.ai-msg{padding:10px 14px;border-radius:var(--radius-md);font-size:13.5px;line-height:1.6;max-width:90%;}
.ai-msg.bot{background:var(--c-rule2);color:var(--c-ink);align-self:flex-start;}
.ai-msg.user{background:var(--c-accent);color:#fff;align-self:flex-end;}
.ai-msg.typing{background:var(--c-rule2);color:var(--c-ink3);}
.ai-panel-input{
  display:flex;align-items:center;gap:8px;padding:12px 16px;
  border-top:1px solid var(--c-rule);
}
.ai-panel-input input{
  flex:1;padding:9px 14px;border:1.5px solid var(--c-rule);border-radius:var(--radius-md);
  font-family:var(--font-sans);font-size:13.5px;outline:none;background:var(--c-bg);
  color:var(--c-ink);transition:border var(--transition);
}
.ai-panel-input input:focus{border-color:var(--c-accent);}
.ai-send-btn{
  width:36px;height:36px;background:var(--c-accent);color:#fff;border:none;
  border-radius:var(--radius-sm);cursor:pointer;font-size:15px;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:background var(--transition);
}
.ai-send-btn:hover{background:#145030;}
.ai-fab{
  position:fixed;bottom:24px;right:70px;width:44px;height:44px;
  background:linear-gradient(135deg,var(--c-accent),#0f3d26);color:#fff;
  border:none;border-radius:50%;cursor:pointer;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 16px rgba(26,92,58,0.4);z-index:400;
  transition:transform var(--transition),box-shadow var(--transition);
}
.ai-fab:hover{transform:scale(1.1);box-shadow:0 6px 24px rgba(26,92,58,0.5);}

/* ── Feature Highlights Strip ── */
.features-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  padding:40px 0;border-bottom:1px solid var(--c-rule);
}
.feature-item{display:flex;align-items:flex-start;gap:12px;}
.feature-icon{
  width:40px;height:40px;border-radius:var(--radius-md);
  background:var(--c-accent-lt);display:flex;align-items:center;
  justify-content:center;font-size:18px;flex-shrink:0;
}
.feature-title{font-size:13px;font-weight:600;margin-bottom:3px;}
.feature-desc{font-size:12px;color:var(--c-ink3);line-height:1.5;}
@media(max-width:768px){.features-strip{grid-template-columns:1fr 1fr;}}
@media(max-width:480px){.features-strip{grid-template-columns:1fr;}}

/* ── Calc History Panel ── */
.history-section{margin-top:24px;padding-top:24px;border-top:1px solid var(--c-rule);}
.history-title{font-size:13px;font-weight:600;color:var(--c-ink2);margin-bottom:12px;text-transform:uppercase;letter-spacing:0.8px;}
.history-list{display:flex;flex-direction:column;gap:8px;}
.history-item{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 12px;background:var(--c-rule2);border-radius:var(--radius-sm);
  font-size:12.5px;color:var(--c-ink2);
}
.history-item-label{font-weight:500;color:var(--c-ink);}
.history-item-val{color:var(--c-accent);font-weight:600;}
.history-time{font-size:11px;color:var(--c-ink3);}

/* ── Chart Placeholder ── */
.chart-wrap{
  background:var(--c-rule2);border-radius:var(--radius-md);padding:20px;
  margin-top:20px;text-align:center;min-height:200px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  border:1px dashed var(--c-rule);
}
.chart-wrap canvas{max-width:100%;}
.chart-title{font-size:13px;font-weight:600;color:var(--c-ink2);}

/* ── Trust Badges ── */
.trust-row{
  display:flex;align-items:center;justify-content:center;gap:24px;
  flex-wrap:wrap;padding:24px 0;
}
.trust-badge{
  display:flex;align-items:center;gap:8px;font-size:13px;
  color:var(--c-ink2);font-weight:500;
}
.trust-badge-icon{font-size:20px;}

/* ── Newsletter Section ── */
.newsletter-section{
  background:linear-gradient(135deg,var(--c-accent-lt) 0%,var(--c-surface) 100%);
  border:1.5px solid var(--c-rule);border-radius:var(--radius-xl);
  padding:40px;text-align:center;
}
.newsletter-section h3{font-family:var(--font-serif);font-size:24px;margin-bottom:8px;}
.newsletter-section p{color:var(--c-ink2);font-size:15px;margin-bottom:20px;}
.newsletter-form{display:flex;gap:10px;max-width:440px;margin:0 auto;flex-wrap:wrap;}
.newsletter-form input{
  flex:1;min-width:200px;padding:11px 16px;border:1.5px solid var(--c-rule);
  border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:14px;
  outline:none;background:#fff;color:var(--c-ink);
}
.newsletter-form input:focus{border-color:var(--c-accent);}
.newsletter-btn{
  padding:11px 22px;background:var(--c-accent);color:#fff;border:none;
  border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:14px;
  font-weight:500;cursor:pointer;white-space:nowrap;transition:background var(--transition);
}
.newsletter-btn:hover{background:#145030;}

/* ── Testimonials ── */
.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:8px;}
.testimonial-card{
  background:var(--c-surface);border:1.5px solid var(--c-rule);
  border-radius:var(--radius-lg);padding:24px;
}
.testimonial-text{font-size:14px;color:var(--c-ink2);line-height:1.7;margin-bottom:16px;font-style:italic;}
.testimonial-text::before{content:'"';}
.testimonial-text::after{content:'"';}
.testimonial-author{display:flex;align-items:center;gap:10px;}
.author-avatar{
  width:36px;height:36px;border-radius:50%;background:var(--c-accent-lt);
  display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;
}
.author-name{font-size:13px;font-weight:600;}
.author-detail{font-size:12px;color:var(--c-ink3);}
.stars{color:#f59e0b;font-size:12px;margin-bottom:2px;}

/* ── Blog Cards Enhanced ── */
.blog-card{
  background:var(--c-surface);border:1.5px solid var(--c-rule);
  border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition);
}
.blog-card:hover{border-color:var(--c-accent);box-shadow:var(--shadow-md);transform:translateY(-2px);}
.blog-card-img{
  height:160px;background:linear-gradient(135deg,var(--c-accent-lt),var(--c-blue-lt));
  display:flex;align-items:center;justify-content:center;font-size:48px;
}
.blog-card-body{padding:20px;}
.blog-card-cat{font-size:11px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--c-accent);margin-bottom:8px;}
.blog-card-title{font-family:var(--font-serif);font-size:17px;line-height:1.35;margin-bottom:8px;letter-spacing:-0.2px;}
.blog-card-desc{font-size:13px;color:var(--c-ink2);line-height:1.6;margin-bottom:14px;}
.blog-card-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--c-ink3);}

/* ── Popular Calculators Grid ── */
.popular-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.popular-card{
  display:flex;align-items:flex-start;gap:14px;padding:18px;
  background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:var(--radius-lg);
  text-decoration:none;color:inherit;
  transition:transform .2s cubic-bezier(.16,1,.3,1),box-shadow .2s ease,border-color .2s ease;
}
.popular-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--c-accent);}
.popular-card-icon{width:44px;height:44px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:21px;flex-shrink:0;}
.popular-card-body{min-width:0;}
.popular-card-name{font-size:15px;font-weight:600;color:var(--c-ink);margin-bottom:3px;}
.popular-card-desc{font-size:12.5px;color:var(--c-ink2);line-height:1.5;margin-bottom:8px;}
.popular-card-tag{font-size:11px;font-weight:600;color:var(--c-ink3);text-transform:uppercase;letter-spacing:.4px;}
@media(max-width:900px){.popular-cards-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.popular-cards-grid{grid-template-columns:1fr;}}

/* ── Notification Toast ── */
.toast{
  position:fixed;bottom:80px;left:50%;transform:translateX(-50%) translateY(20px);
  background:#1a1a18;color:#fff;padding:10px 20px;border-radius:var(--radius-md);
  font-size:13.5px;opacity:0;pointer-events:none;transition:all 0.3s ease;z-index:1000;
  white-space:nowrap;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ── Nav search ── */
.nav-search-wrap{position:relative;display:none;}
@media(min-width:1024px){.nav-search-wrap{display:block;}}
.nav-search-wrap input{
  padding:7px 36px 7px 14px;border:1.5px solid var(--c-rule);border-radius:20px;
  font-family:var(--font-sans);font-size:13px;outline:none;background:var(--c-bg);
  color:var(--c-ink);transition:all var(--transition);width:200px;
}
.nav-search-wrap input:focus{border-color:var(--c-accent);width:280px;box-shadow:0 0 0 3px rgba(26,92,58,0.08);}
.nav-search-wrap .ns-icon{position:absolute;right:10px;top:50%;transform:translateY(-50%);color:var(--c-ink3);pointer-events:none;}
.nav-search-results{
  position:absolute;top:calc(100% + 6px);left:0;right:0;min-width:300px;
  background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:var(--radius-md);
  box-shadow:var(--shadow-lg);z-index:300;max-height:280px;overflow-y:auto;display:none;
}
.nav-search-results.active{display:block;}

/* ── Section CTA button ── */
.section-cta{display:flex;justify-content:center;margin-top:32px;}

/* ── Responsive adjustments ── */
@media(max-width:768px){
  .mega-dropdown{display:none!important;}
  .newsletter-section{padding:28px 20px;}
  .trust-row{gap:16px;}
  .features-strip{gap:16px;}
  .ai-assistant-panel{width:calc(100vw - 32px);right:16px;}
}

/* ══════════════════════════════════════════════
   MEGA MENU STYLES
   ══════════════════════════════════════════════ */

/* Overlay */
.mega-overlay{
  position:fixed;top:0;left:0;right:0;bottom:0;
  background:rgba(0,0,0,0.45);z-index:150;
  display:none;
}

/* Full width panel below nav */
.mega-panel{
  position:fixed;top:64px;left:0;right:0;
  background:var(--c-surface);border-bottom:1.5px solid var(--c-rule);
  box-shadow:0 8px 40px rgba(0,0,0,0.15);
  z-index:160;max-height:calc(100vh - 64px);overflow-y:auto;
}
body.dark .mega-panel{background:var(--c-surface);}

.mega-panel-inner{
  max-width:1200px;margin:0 auto;padding:0;
}

/* Search bar inside mega menu */
.mega-search-wrap{
  position:relative;padding:16px 24px;
  border-bottom:1px solid var(--c-rule);
  background:var(--c-bg);
}
.mega-search-wrap input{
  width:100%;padding:11px 16px 11px 42px;
  border:1.5px solid var(--c-rule);border-radius:var(--radius-md);
  font-family:var(--font-sans);font-size:14px;outline:none;
  background:var(--c-surface);color:var(--c-ink);
  transition:border var(--transition);
}
.mega-search-wrap input:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(26,92,58,0.08);}
body.dark .mega-search-wrap input{background:var(--c-rule2);}

/* Search results dropdown */
.mega-search-results{
  position:absolute;top:calc(100% - 16px);left:24px;right:24px;
  background:var(--c-surface);border:1.5px solid var(--c-rule);
  border-radius:var(--radius-md);box-shadow:var(--shadow-lg);
  z-index:200;max-height:300px;overflow-y:auto;display:none;
}
.mega-sr-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;transition:background var(--transition);
  text-decoration:none;color:var(--c-ink);border-bottom:1px solid var(--c-rule);
}
.mega-sr-item:last-child{border-bottom:none;}
.mega-sr-item:hover{background:var(--c-rule2);}
.mega-sr-icon{font-size:18px;width:28px;text-align:center;flex-shrink:0;}
.mega-sr-name{font-size:13.5px;font-weight:500;}
.mega-sr-cat{font-size:11px;color:var(--c-ink3);}

/* Mega body: sidebar + grid */
.mega-body{
  display:grid;grid-template-columns:220px 1fr;
  min-height:400px;
}

/* Left sidebar: categories */
.mega-cats{
  border-right:1px solid var(--c-rule);
  padding:12px 0;background:var(--c-bg);
  overflow-y:auto;max-height:calc(100vh - 140px);
}
body.dark .mega-cats{background:var(--c-rule2);}
.mega-cat-item{
  display:flex;align-items:center;gap:8px;
  padding:10px 16px;font-size:13px;cursor:pointer;
  transition:all var(--transition);color:var(--c-ink2);
  border-left:2px solid transparent;
  position:relative;
}
.mega-cat-item:hover{background:var(--c-rule2);color:var(--c-ink);}
.mega-cat-item.active{
  background:var(--c-accent-lt);color:var(--c-accent);
  font-weight:600;border-left-color:var(--c-accent);
}
.mega-cat-count{
  margin-left:auto;font-size:11px;font-weight:600;
  background:var(--c-accent);color:#fff;
  padding:2px 7px;border-radius:20px;
}
.mega-cat-item.active .mega-cat-count{background:var(--c-accent);}
.mega-cat-coming{opacity:0.6;cursor:default;}
.mega-cat-coming:hover{background:transparent;color:var(--c-ink2);}
.mega-cat-coming-label{
  margin-left:auto;font-size:10px;
  background:var(--c-rule2);color:var(--c-ink3);
  padding:2px 6px;border-radius:20px;
}

/* Right: calcs grid */
.mega-calcs-wrap{
  padding:16px 20px;overflow-y:auto;
  max-height:calc(100vh - 140px);
}
.mega-calcs-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:14px;padding-bottom:12px;
  border-bottom:1px solid var(--c-rule);
}
.mega-calcs-header span:first-child{
  font-size:15px;font-weight:600;color:var(--c-ink);
}
.mega-calcs-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(170px,1fr));
  gap:8px;
}
.mega-calc-item{
  display:flex;align-items:center;gap:8px;
  padding:9px 12px;border-radius:var(--radius-md);
  background:var(--c-bg);border:1.5px solid var(--c-rule);
  text-decoration:none;color:var(--c-ink);
  transition:all var(--transition);font-size:12.5px;font-weight:500;
}
.mega-calc-item:hover{
  background:var(--c-accent-lt);border-color:var(--c-accent);
  color:var(--c-accent);transform:translateY(-1px);
}
body.dark .mega-calc-item{background:var(--c-rule2);}
.mega-calc-icon{font-size:16px;flex-shrink:0;}
.mega-calc-name{line-height:1.3;font-size:12px;}

/* View all button */
.mega-view-all-btn{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:16px;padding:10px 20px;
  background:var(--c-accent);color:#fff;
  border-radius:var(--radius-sm);font-size:13.5px;font-weight:500;
  text-decoration:none;transition:background var(--transition);
}
.mega-view-all-btn:hover{background:#145030;}

/* ══════════════════════════════════════════════
   HEALTH PAGE — All Calculators Grid
   ══════════════════════════════════════════════ */
.health-all-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:14px;
}
.health-calc-card{
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;background:var(--c-surface);
  border:1.5px solid var(--c-rule);border-radius:var(--radius-md);
  text-decoration:none;color:var(--c-ink);
  transition:all var(--transition);
}
.health-calc-card:hover{
  border-color:var(--c-accent);background:var(--c-accent-lt);
  transform:translateY(-2px);box-shadow:var(--shadow-md);
}
.health-calc-card-icon{
  font-size:24px;width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-rule2);border-radius:var(--radius-sm);
  flex-shrink:0;
}
.health-calc-card-name{font-size:13px;font-weight:500;line-height:1.3;}
.health-calc-card-cat{font-size:11px;color:var(--c-ink3);margin-top:2px;}

/* See More button */
.see-more-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 28px;background:var(--c-accent);color:#fff;
  border:none;border-radius:var(--radius-sm);font-family:var(--font-sans);
  font-size:14px;font-weight:500;cursor:pointer;
  transition:all var(--transition);text-decoration:none;
  margin-top:24px;
}
.see-more-btn:hover{background:#145030;transform:translateY(-1px);}

@media(max-width:768px){
  .mega-body{grid-template-columns:1fr;}
  .mega-cats{
    display:flex;flex-wrap:nowrap;overflow-x:auto;
    border-right:none;border-bottom:1px solid var(--c-rule);
    padding:8px;gap:6px;
    scrollbar-width:none;
  }
  .mega-cats::-webkit-scrollbar{display:none;}
  .mega-cat-item{
    white-space:nowrap;flex-shrink:0;
    border-left:none;border-radius:20px;
    border:1.5px solid var(--c-rule);
    padding:6px 12px;font-size:12px;
  }
  .mega-cat-item.active{border-color:var(--c-accent);}
  .mega-calcs-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));}
  .health-all-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:480px){
  .health-all-grid{grid-template-columns:1fr;}
}

/* ── Calculator Pages — Full Responsive ── */
/* Tablet (1024px and below) */
@media(max-width:1024px){
  
  
  .calc-widget{padding:24px;}
  .content-section{margin-top:36px;}
  .related-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));}
}

/* Mobile (768px and below) */
@media(max-width:768px){
  .calc-page{padding:24px 0 60px;}
  .calc-breadcrumb{font-size:12px;flex-wrap:wrap;gap:4px;margin-bottom:20px;}
  .calc-main h1{font-size:clamp(22px,6vw,34px);margin-bottom:8px;}
  .calc-main .calc-intro{font-size:14.5px;margin-bottom:24px;}
  .calc-widget{padding:20px 16px;border-radius:var(--radius-lg);}
  .calc-widget h2{font-size:18px;margin-bottom:16px;}
  .form-group{margin-bottom:12px;}
  .form-group label{font-size:12px;}
  .form-group input,.form-group select,.form-group textarea{font-size:14px;padding:9px 12px;}
  .calc-btn{padding:12px;font-size:14px;}
  .result-box{margin-top:16px;}
  .result-item{padding:10px 14px;font-size:13.5px;}
  .result-chart{padding:12px;text-align:center;}
  .result-chart canvas{max-width:140px!important;height:140px!important;}
  .ai-box{padding:14px 16px;}
  .content-section{margin-top:28px;}
  .content-section h2{font-size:20px;}
  .content-section p,.content-section ul{font-size:14px;}
  .formula-box{font-size:13px;padding:12px 14px;}
  .faq-q{font-size:14px;padding:14px 16px;}
  .faq-a{font-size:13.5px;padding:12px 16px;}
  .related-grid{grid-template-columns:repeat(2,1fr);gap:8px;}
  .related-card{padding:12px;gap:8px;}
  .rc-name{font-size:12px;}
  .disclaimer{font-size:11.5px;padding:10px 14px;}
  .content-section table{font-size:13px;}
  .content-section table th,.content-section table td{padding:8px 10px;}
}

/* Small Mobile (480px and below) */
@media(max-width:480px){
  .calc-page{padding:16px 0 48px;}
  .calc-breadcrumb{margin-bottom:16px;}
  .calc-main h1{font-size:clamp(20px,7vw,28px);}
  .calc-widget{padding:16px 14px;}
  .calc-widget h2{font-size:16px;margin-bottom:14px;}
  .form-group input,.form-group select{font-size:16px;}/* prevent iOS zoom */
  .calc-btn{font-size:15px;padding:14px;}/* larger tap target */
  .related-grid{grid-template-columns:1fr 1fr;}
  .result-chart canvas{max-width:120px!important;height:120px!important;}
  .content-section h2{font-size:18px;}
  .formula-box{font-size:12px;padding:10px 12px;word-break:break-all;}
  /* Matrix grid inputs */
  .calc-widget input[type="number"][id^="a"],
  .calc-widget input[type="number"][id^="b"]{padding:8px 4px;font-size:14px;text-align:center;}
}

/* Fix textarea on mobile */
@media(max-width:768px){
  .form-group textarea{font-size:14px;padding:10px 12px;min-height:80px;}
}

/* Dark mode calc responsive fixes */
@media(max-width:768px){
  [data-theme="dark"] .calc-widget{border-color:var(--c-rule);}
  [data-theme="dark"] .form-group input,
  [data-theme="dark"] .form-group select,
  [data-theme="dark"] .form-group textarea{font-size:14px;}
}


/* ══════════════════════════════════════════
   CALCULATOR PAGE — FULLY RESPONSIVE LAYOUT
   ══════════════════════════════════════════ */

/* ── Desktop: 2 columns ── */
.calc-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 48px;
  align-items: start;
  margin-top: 24px;
}
.calc-main { min-width: 0; }
.calc-sidebar {
  position: sticky;
  top: 80px;
}

/* ── Widget Card ── */
.calc-widget {
  background: var(--c-bg);
  border: 1.5px solid var(--c-rule);
  border-radius: 20px;
  padding: 28px 24px;
}
.calc-widget h2 {
  font-size: 1.1rem;
  margin-bottom: 20px;
  font-family: var(--f-serif);
}

/* ── Form Elements ── */
.form-group {
  margin-bottom: 14px;
}
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 5px;
  color: var(--c-ink2);
}
.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--c-rule);
  border-radius: 10px;
  font-size: 15px;
  background: var(--c-bg);
  color: var(--c-ink);
  box-sizing: border-box;
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--c-accent);
}

/* ── Calculate Button ── */
.calc-btn {
  width: 100%;
  padding: 13px 20px;
  background: var(--c-accent);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity 0.15s, transform 0.1s;
}
.calc-btn:hover { opacity: 0.88; transform: translateY(-1px); }
.calc-btn:active { transform: translateY(0); }

/* ── Result Box ── */
.result-box {
  margin-top: 16px;
  padding: 16px;
  background: var(--c-rule2);
  border-radius: 14px;
  border: 1px solid var(--c-rule);
}
.result-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 8px 0;
  border-bottom: 1px solid var(--c-rule);
  gap: 8px;
}
.result-item:last-child { border-bottom: none; }
.result-label {
  font-size: 13px;
  color: var(--c-ink2);
  flex-shrink: 0;
  max-width: 55%;
}
.result-value {
  font-size: 14px;
  font-weight: 600;
  text-align: right;
  word-break: break-word;
}
.result-chart {
  margin: 12px 0 8px;
  display: flex;
  justify-content: center;
}
.result-chart canvas { max-width: 100%; height: auto; }

/* ── AI Box ── */
.ai-box {
  margin-top: 14px;
  padding: 14px 16px;
  background: linear-gradient(135deg, #f0faf5, #fff8f0);
  border-radius: 12px;
  border: 1px solid var(--c-rule);
  font-size: 13px;
  line-height: 1.6;
}
.ai-header {
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 6px;
  color: var(--c-accent);
}

/* ── Tablet: sidebar moves above content ── */
@media (max-width: 1024px) {
  .calc-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .calc-sidebar {
    position: static;
    order: -1;
  }
  .calc-widget {
    max-width: 640px;
    margin: 0 auto;
    width: 100%;
  }
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .calc-layout { gap: 20px; }
  .calc-widget {
    padding: 20px 16px;
    border-radius: 16px;
    max-width: 100%;
  }
  .calc-widget h2 { font-size: 1rem; }
  .calc-btn { padding: 12px 16px; font-size: 14px; }
  .result-box { padding: 12px; }
  .result-item { flex-direction: column; gap: 2px; }
  .result-label { max-width: 100%; }
  .result-value { text-align: left; font-size: 15px; }
  .calc-intro { font-size: 15px; line-height: 1.65; }
  .formula-box {
    font-size: 12px;
    padding: 10px 12px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
  }
  .related-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .faq-q { font-size: 14px; }
  .faq-a { font-size: 13px; line-height: 1.6; }
  .calc-breadcrumb { font-size: 12px; flex-wrap: wrap; gap: 4px; }
  .content-section h2 { font-size: 1.15rem; }
  .content-section h3 { font-size: 1rem; }
  table { font-size: 12px; }
  table th, table td { padding: 7px 8px !important; }
}

/* ── Small Mobile ── */
@media (max-width: 480px) {
  .calc-widget { padding: 16px 14px; }
  .form-group input,
  .form-group select {
    font-size: 16px;
    padding: 11px 12px;
  }
  .calc-btn {
    padding: 13px;
    font-size: 15px;
    border-radius: 10px;
  }
  .result-box { padding: 10px; border-radius: 12px; }
  .result-value { font-size: 14px; }
  .related-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .related-card { padding: 10px 8px; font-size: 12px; }
  .ai-box { padding: 12px; font-size: 13px; }
  .result-chart canvas { width: 180px !important; height: 130px !important; }
}

/* ── Scroll reveal (JS-driven, see initScrollReveal in main.js) ── */
.reveal{opacity:0;transform:translateY(56px) scale(.96);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1);will-change:opacity,transform;}
.reveal.in-view{opacity:1;transform:translateY(0) scale(1);}

/* ── Loading spinner ── */
.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(26,92,58,0.2);border-top-color:var(--c-accent);border-radius:50%;animation:cd-spin .7s linear infinite;vertical-align:-2px;}
.ai-msg.typing .spinner{border-color:rgba(255,255,255,0.35);border-top-color:#fff;}
@keyframes cd-spin{to{transform:rotate(360deg);}}

/* ── Result reveal pop ── */
.result-box.visible{animation:cd-result-in .35s cubic-bezier(.2,.7,.3,1);}
@keyframes cd-result-in{from{opacity:0;transform:translateY(8px) scale(.98);}to{opacity:1;transform:translateY(0) scale(1);}}

/* ── Extra hover polish ── */
.calc-btn:active,.btn:active{transform:scale(.98);}
.faq-item{transition:box-shadow .2s ease;}

@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1!important;transform:none!important;transition:none!important;}
  .result-box.visible{animation:none;}
  .spinner{animation-duration:1.4s;}
  .calc-btn:active,.btn:active{transform:none;}
}

/* ── Premium landing polish: hero glow + entrance + marquee ── */
.hero{position:relative;overflow:hidden;}
.hero .container{position:relative;z-index:1;}
.hero::before{content:'';position:absolute;top:-140px;left:50%;transform:translateX(-50%);width:900px;height:520px;background:radial-gradient(ellipse at center, rgba(26,92,58,0.18) 0%, rgba(26,92,58,0.07) 42%, transparent 72%);pointer-events:none;z-index:0;filter:blur(6px);}
body.dark .hero::before{background:radial-gradient(ellipse at center, rgba(110,231,183,0.16) 0%, rgba(110,231,183,0.06) 42%, transparent 72%);}
.hero-grid-bg{position:absolute;inset:0;z-index:0;background-image:radial-gradient(rgba(26,92,58,0.16) 1px, transparent 1px);background-size:26px 26px;-webkit-mask-image:radial-gradient(ellipse 62% 55% at 50% 28%, #000 0%, transparent 78%);mask-image:radial-gradient(ellipse 62% 55% at 50% 28%, #000 0%, transparent 78%);pointer-events:none;}
body.dark .hero-grid-bg{background-image:radial-gradient(rgba(255,255,255,0.10) 1px, transparent 1px);}

@keyframes cd-hero-in{from{opacity:0;transform:translateY(22px);}to{opacity:1;transform:translateY(0);}}
.hero-anim{opacity:0;animation:cd-hero-in .8s cubic-bezier(.16,1,.3,1) forwards;}
@media (prefers-reduced-motion: reduce){.hero-anim{opacity:1;animation:none;}}

/* Testimonials / trust badges get the same soft-glass treatment as calc-card */
.testimonial-card{transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow .3s ease,border-color .3s ease;}
.testimonial-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.trust-badge{transition:transform .2s ease,box-shadow .2s ease;}
.trust-badge:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);}

/* ══════════════════════════════════════════════
   CALCULATORS EXPLORER — Sticky Sidebar Layout
   ══════════════════════════════════════════════ */
.calc-explorer{display:grid;grid-template-columns:272px 1fr;gap:32px;align-items:start;}

.calc-sidebar{position:sticky;top:80px;max-height:calc(100vh - 80px);overflow-y:auto;
  display:flex;flex-direction:column;gap:20px;padding:4px 4px 20px 0;}

.calc-filter-toggle{display:none;align-items:center;justify-content:space-between;gap:10px;
  width:100%;padding:12px 16px;background:var(--c-surface);border:1.5px solid var(--c-rule);
  border-radius:var(--radius-md);color:var(--c-ink);font-family:var(--font-sans);font-size:14px;
  font-weight:500;cursor:pointer;}
.calc-filter-toggle .cft-label-wrap{display:flex;align-items:center;gap:8px;min-width:0;}
.calc-filter-toggle .cft-icon{font-size:16px;flex-shrink:0;}
.calc-filter-toggle .cft-name{font-weight:600;font-size:13.5px;color:var(--c-ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.calc-filter-toggle .cft-right-wrap{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.calc-filter-toggle .cft-chevron{transition:transform var(--transition);color:var(--c-ink3);}
.calc-filter-toggle[aria-expanded="true"] .cft-chevron{transform:rotate(180deg);}
.calc-filter-toggle .cft-badge{background:var(--c-accent);color:#fff;font-size:11px;font-weight:700;
  padding:2px 8px;border-radius:20px;}

.calc-mobile-active-category{display:none;align-items:center;justify-content:space-between;gap:8px;
  padding:6px 4px;margin-top:-6px;margin-bottom:6px;}
.cmac-current{font-size:12px;color:var(--c-ink2);}
.cmac-current strong{color:var(--c-accent);font-weight:700;}
.cmac-actions{display:flex;align-items:center;gap:6px;}
.cmac-reset-btn{font-size:11.5px;font-weight:600;color:var(--c-accent);background:var(--c-accent-lt);
  border:1px solid var(--c-accent);border-radius:14px;padding:2px 10px;cursor:pointer;transition:all var(--transition);}
.cmac-reset-btn:hover{background:var(--c-accent);color:#fff;}
.cmac-change-btn{font-size:11.5px;font-weight:600;color:var(--c-ink2);background:none;border:none;cursor:pointer;text-decoration:underline;}

.calc-sidebar-body{display:flex;flex-direction:column;gap:20px;}

.calc-search-wrap{position:relative;}
.calc-search-wrap .calc-search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);
  color:var(--c-ink3);pointer-events:none;}
.calc-search-wrap input{width:100%;padding:10px 34px 10px 36px;font-family:var(--font-sans);
  font-size:14px;color:var(--c-ink);background:var(--c-surface);border:1.5px solid var(--c-rule);
  border-radius:var(--radius-md);outline:none;transition:border var(--transition),box-shadow var(--transition);}
.calc-search-wrap input:focus{border-color:var(--c-accent);box-shadow:0 0 0 4px var(--c-accent-lt);}
.calc-search-clear{position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;display:flex;align-items:center;justify-content:center;
  background:none;border:none;border-radius:50%;color:var(--c-ink3);cursor:pointer;
  font-size:13px;transition:background var(--transition),color var(--transition);}
.calc-search-clear:hover{background:var(--c-rule2);color:var(--c-ink);}

.calc-sidebar-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.calc-result-count{font-size:12.5px;color:var(--c-ink2);}
.calc-reset-btn{background:none;border:none;padding:0;color:var(--c-accent);font-size:12.5px;
  font-weight:600;font-family:var(--font-sans);cursor:pointer;text-decoration:none;flex-shrink:0;}
.calc-reset-btn:hover{text-decoration:underline;}

.calc-cat-list{display:flex;flex-direction:column;gap:2px;list-style:none;}
.calc-cat-item{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;
  padding:9px 12px;border-radius:var(--radius-sm);border:1.5px solid transparent;background:none;
  color:var(--c-ink2);font-family:var(--font-sans);font-size:13.5px;text-align:left;cursor:pointer;
  transition:all var(--transition);}
.calc-cat-item:hover{background:var(--c-rule2);}
.calc-cat-item.active{background:var(--c-accent-lt);color:var(--c-accent);border-color:var(--c-accent);font-weight:600;}
.calc-cat-item-label{display:flex;align-items:center;gap:8px;min-width:0;}
.calc-cat-item-label span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.calc-cat-item-count{font-size:11.5px;color:var(--c-ink3);flex-shrink:0;}
.calc-cat-item.active .calc-cat-item-count{color:var(--c-accent);}

.calc-main-header{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;
  gap:8px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--c-rule);}
.calc-main-header h2{font-family:var(--font-serif);font-size:22px;color:var(--c-ink);}
.calc-main-header .calc-result-count{font-size:13px;}

.calc-results-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}

.calc-empty-state{text-align:center;padding:64px 24px;color:var(--c-ink2);}
.calc-empty-state .ces-icon{font-size:40px;margin-bottom:16px;}
.calc-empty-state h3{font-family:var(--font-serif);font-size:20px;color:var(--c-ink);margin-bottom:8px;}
.calc-empty-state p{font-size:14px;color:var(--c-ink3);max-width:360px;margin:0 auto 20px;}
.calc-empty-state .calc-reset-btn{display:inline-flex;align-items:center;gap:6px;
  background:var(--c-accent);color:#fff;padding:10px 22px;border-radius:var(--radius-sm);
  font-size:14px;text-decoration:none;}
.calc-empty-state .calc-reset-btn:hover{background:#145030;text-decoration:none;}

@media(max-width:1024px){
  .calc-results-grid{grid-template-columns:repeat(2,1fr);}
}
/* CalcDigi All Calculators Page Responsive Optimization */
.calc-page-hero{padding:48px 0 32px;}
.calc-page-h1{font-size:clamp(28px, 4.5vw, 48px);margin:0 auto 12px;}
.calc-page-sub{font-size:15px;max-width:540px;margin:0 auto 20px;}
.calc-page-stats{margin-top:20px;padding-top:16px;}

@media(max-width:768px){
  .calc-page-hero{padding:20px 0 14px !important;}
  .calc-page-hero .calc-breadcrumb{margin-bottom:6px !important;font-size:12px;}
  .calc-page-hero .hero-badge{margin-bottom:8px !important;font-size:11px;padding:3px 10px;}
  .calc-page-hero h1{font-size:22px !important;line-height:1.2 !important;margin-bottom:6px !important;letter-spacing:-0.5px;}
  .calc-page-hero .hero-sub{font-size:12px !important;margin-bottom:10px !important;line-height:1.4 !important;max-width:380px !important;}
  .calc-page-hero .hero-stats-row{margin-top:10px !important;padding-top:10px !important;gap:10px 18px !important;}
  .calc-page-hero .hero-stat-num{font-size:17px !important;}
  .calc-page-hero .hero-stat-label{font-size:8.5px !important;letter-spacing:0.5px;margin-top:2px;}
  .section.calc-page-section{padding:14px 0 36px !important;}
  .calc-explorer{grid-template-columns:1fr;gap:10px;}
  .calc-sidebar{position:static;max-height:none;overflow:visible;padding:0;gap:8px;}
  .calc-search-wrap{margin-bottom:2px;}
  .calc-search-wrap input{padding:9px 32px 9px 34px;font-size:13.5px;border-radius:12px;}
  .calc-filter-toggle{display:flex;padding:10px 14px;border-radius:12px;}
  .calc-mobile-active-category{display:flex;}
  .calc-sidebar-body{display:none;}
  .calc-sidebar-body.open{display:flex;}
  .calc-cat-item{padding:9px 10px;font-size:13px;}
  .calc-cat-item.active{background:var(--c-accent-lt);border-color:var(--c-accent);font-weight:700;}
  .calc-main-header{margin-bottom:10px;padding-bottom:8px;}
  .calc-main-header h2{font-size:16px;}
  .calc-main-header .calc-result-count{font-size:11px;}
  .calc-results-grid{grid-template-columns:1fr;}
}
@media(max-width:480px){
  .calc-main-header{flex-direction:column;align-items:flex-start;gap:4px;}
}

/* ── Quick Math Calculator (hero widget) ── */
.qmc-wrap{max-width:400px;margin:32px auto 0;text-align:left;}
.qmc-toggle{display:flex;gap:6px;background:var(--c-rule2);border-radius:100px;padding:4px;margin-bottom:14px;width:fit-content;margin-left:auto;margin-right:auto;}
.qmc-toggle-btn{padding:7px 20px;border:none;background:transparent;border-radius:100px;font-size:13px;font-weight:600;color:var(--c-ink2);cursor:pointer;transition:all .15s;font-family:var(--font-sans);}
.qmc-toggle-btn.active{background:var(--c-accent);color:#fff;}
.qmc-card{background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:var(--radius-lg);padding:16px;box-shadow:0 8px 28px rgba(0,0,0,.06);}
.qmc-display{background:#1a1a18;border-radius:var(--radius-md);padding:16px 14px;color:#fff;font-size:24px;text-align:right;font-family:monospace;min-height:28px;word-break:break-all;}
.qmc-result{text-align:right;font-size:14px;color:var(--c-accent);font-weight:700;margin-top:6px;}
.qmc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-top:12px;}
.qmc-btn{padding:12px 4px;border-radius:8px;border:1.5px solid var(--c-rule);background:var(--c-bg);color:var(--c-ink);cursor:pointer;font-size:15px;font-family:var(--font-sans);transition:all .15s;}
.qmc-btn:hover{background:var(--c-rule2);}
.qmc-op{background:var(--c-accent2-lt);color:var(--c-accent2);}
.qmc-eq{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.qmc-clear{background:#fbe9e7;color:#8a1a1a;}
body.dark .qmc-clear{background:#3a1f1c;color:#e6a8a0;}
.qmc-del{background:var(--c-rule2);}
.qmc-fn{background:var(--c-accent-lt);color:var(--c-accent);font-size:13px;}
.qmc-info{max-width:400px;margin:16px auto 0;background:var(--c-accent-lt);border:1.5px solid var(--c-rule);border-radius:var(--radius-lg);padding:18px;text-align:left;}
.qmc-info-title{font-weight:700;font-size:14px;color:var(--c-accent);margin-bottom:4px;}
.qmc-info-formula{font-family:monospace;font-size:15px;background:var(--c-surface);border-radius:8px;padding:8px 12px;margin-bottom:8px;display:inline-block;}
.qmc-info-desc{font-size:13px;color:var(--c-ink2);line-height:1.6;margin-bottom:12px;}
.qmc-info-related{display:flex;flex-wrap:wrap;gap:8px;}
.qmc-related-link{display:inline-flex;align-items:center;gap:6px;background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:100px;padding:6px 12px;font-size:12px;color:var(--c-ink);text-decoration:none;transition:all .15s;}
.qmc-related-link:hover{border-color:var(--c-accent);color:var(--c-accent);}
@media(max-width:480px){
  .qmc-wrap,.qmc-info{max-width:100%;}
  .qmc-display{font-size:20px;}
  .qmc-btn{padding:10px 2px;font-size:14px;}
}
.qmc-hero-continuation{background:linear-gradient(135deg,var(--c-bg) 0%,var(--c-rule2) 100%);padding:0 0 48px;text-align:center;}
.qmc-home-hero-continuation{position:relative;padding:0 0 40px;text-align:center;overflow:hidden;}

/* ══════════════════════════════════════════════
   QA fixes (Oct 2026)
   ══════════════════════════════════════════════ */

/* Scroll reveal: never hide content without JS or under reduced motion. */
html:not(.js) .reveal{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none;}}
.reveal{transform:translateY(24px);}
.reveal.in-view{transform:none;}

/* One dark palette for the whole site: the slate scale used by the redesigned
   pages (Tailwind slate-950/900/800), replacing the warm grey/olive dark. */
:root{--c-accent-text:var(--c-accent);}
body.dark{
  --c-ink:#f1f5f9;--c-ink2:#cbd5e1;--c-ink3:#94a3b8;
  --c-rule:#1e293b;--c-rule2:#111c2e;--c-bg:#020617;--c-surface:#0f172a;
  --c-accent-lt:#052e1f;--c-accent2-lt:#2a1f0e;--c-accent-text:#6ee7b7;
  --c-blue-lt:#0b1730;--c-purple-lt:#1d0f2b;--c-red-lt:#2a0f12;
}
body.dark .nav{background:rgba(2,6,23,0.9);}
body.dark .footer{background:#020617;border-top:1px solid var(--c-rule);}
body.dark .qmc-display{background:#020617;}
/* Text set in the accent colour needs a light green on dark backgrounds. */
.nav-links a.active,.nav-links a[aria-current="page"],
.section-label,.hero-badge,.card-cta,.blog-card-cat,.calc-cat-item.active,.calc-cat-item.active .calc-cat-item-count,
.result-item.highlight .ri-value,.ai-header,.calc-reset-btn,.calc-breadcrumb a:hover{color:var(--c-accent-text);}
body.dark .nav-links a.active,body.dark .nav-links a[aria-current="page"]{background:#064e3b;color:#d1fae5;}
body.dark .calc-cat-item.active{border-color:#34d399;}
body.dark .ai-box{background:var(--c-accent-lt);border-color:#065f46;}
body.dark .ai-box p{color:var(--c-ink2);}

/* Dark-mode toggle icon follows the body class (no hydration mismatch). */
.dark-toggle-sun{display:none;}
body.dark .dark-toggle-sun{display:inline;}
body.dark .dark-toggle-moon{display:none;}

/* Footer (server-rendered) */
.footer .footer-h{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:#fff;margin-bottom:16px;font-family:var(--font-sans);}
.footer-brand-links{display:flex;gap:12px;margin-top:16px;}
.footer-brand-links a{font-size:12px;color:rgba(255,255,255,0.6);}
.footer-brand-links a:hover{color:#fff;}
.footer-cats{border-top:1px solid rgba(255,255,255,0.1);padding:24px 0;margin-bottom:8px;}
.footer-cats ul{display:flex;flex-wrap:wrap;gap:8px 20px;}
.footer-cats li{margin:0!important;}
.footer-cats a span{color:rgba(255,255,255,0.6);}
.footer ul a,.footer-bottom-links a{color:rgba(255,255,255,0.7);}

/* FAQ questions are buttons (keyboard-accessible). */
button.faq-q{width:100%;background:none;border:0;color:inherit;font-family:inherit;text-align:left;gap:12px;}
button.faq-q:focus-visible{outline:2px solid var(--c-accent);outline-offset:-2px;}

/* Trust badges use SVG icons. */
svg.trust-badge-icon{color:var(--c-accent-text);flex-shrink:0;}

/* Inline validation for legacy calculators (see main.js). */
.field-error{margin-top:6px;font-size:12.5px;font-weight:500;color:#b91c1c;}
body.dark .field-error{color:#fca5a5;}
.form-group input[aria-invalid="true"]{border-color:#dc2626;}

/* ── Legacy calculator template aligned to the redesigned pages ──
   (slate surfaces, 16px cards, sans H1, chevron breadcrumb, blue primary
   buttons, high-contrast results in both themes). */
.calc-page{background:#f8fafc;padding:24px 0 64px;--c-rule:#e2e8f0;--c-rule2:#f1f5f9;}
body.dark .calc-page{background:var(--c-bg);--c-rule:#1e293b;--c-rule2:#0f172a;}
.calc-page .formula-box{border:1px solid var(--c-rule);border-radius:12px;}
.calc-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:4px;font-size:14px;color:#64748b;margin-bottom:16px;}
.calc-breadcrumb a,.calc-breadcrumb span{color:#64748b;}
.calc-breadcrumb a:hover{color:#1d4ed8;text-decoration:underline;}
.calc-breadcrumb [aria-current="page"]{color:#334155;}
body.dark .calc-breadcrumb a,body.dark .calc-breadcrumb span{color:#94a3b8;}
body.dark .calc-breadcrumb [aria-current="page"]{color:#cbd5e1;}
body.dark .calc-breadcrumb a:hover{color:#60a5fa;}
/* The separator span contains a literal " / "; hide it and draw one chevron. */
.bc-sep{font-size:0;display:inline-flex;align-items:center;}
.bc-sep::before{content:'';width:14px;height:14px;background:currentColor;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m9 18 6-6-6-6'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m9 18 6-6-6-6'/%3E%3C/svg%3E") center/contain no-repeat;}
.calc-main h1{font-family:var(--font-sans);font-weight:700;font-size:clamp(30px,4vw,36px);letter-spacing:-0.025em;line-height:1.15;color:#0f172a;margin-bottom:8px;}
body.dark .calc-main h1{color:#fff;}
.calc-main .calc-intro{color:#475569;font-size:16px;max-width:48rem;margin-bottom:24px;}
body.dark .calc-main .calc-intro{color:#94a3b8;}
.calc-page .calc-widget{background:#fff;border:1px solid #e2e8f0;border-radius:16px;box-shadow:0 1px 2px rgba(15,23,42,0.06);padding:24px;}
body.dark .calc-page .calc-widget{background:#0f172a;border-color:#1e293b;}
.calc-page .calc-widget h2{font-family:var(--font-sans);font-weight:700;font-size:18px;color:#0f172a;}
body.dark .calc-page .calc-widget h2{color:#fff;}
.calc-page .form-group label{color:#334155;font-weight:500;font-size:14px;}
body.dark .calc-page .form-group label{color:#cbd5e1;}
.calc-page .form-group input,.calc-page .form-group select{min-height:48px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#0f172a;}
.calc-page .form-group input:focus,.calc-page .form-group select:focus{border-color:#18533b;box-shadow:0 0 0 3px rgba(24,83,59,0.2);}
body.dark .calc-page .form-group input,body.dark .calc-page .form-group select{background:#020617;border-color:#334155;color:#f1f5f9;}
.calc-page .calc-btn{min-height:48px;background:#18533b;color:#fff;border-radius:8px;font-weight:600;box-shadow:0 1px 2px rgba(15,23,42,0.08);}
.calc-page .calc-btn:hover{background:#12402d;opacity:1;transform:none;}
.calc-page .calc-btn:focus-visible{outline:2px solid #18533b;outline-offset:2px;}
/* Secondary (Print / Share) buttons keep their inline neutral background. */
.calc-page .calc-btn[style*="background:var(--c-rule2)"]{box-shadow:none;}
.calc-page .calc-btn[style*="background:var(--c-rule2)"]:hover{background:#e2e8f0!important;}
body.dark .calc-page .calc-btn[style*="background:var(--c-rule2)"]:hover{background:#1e293b!important;}
.calc-page .result-box{background:#fff;border:1px solid #e2e8f0;border-radius:12px;}
body.dark .calc-page .result-box{background:#020617;border-color:#1e293b;}
.calc-page .result-item{border-color:#e2e8f0;}
body.dark .calc-page .result-item{border-color:#1e293b;}
.calc-page .result-item .ri-label{color:#475569;}
.calc-page .result-item .ri-value{color:#0f172a;}
body.dark .calc-page .result-item .ri-label{color:#cbd5e1;}
body.dark .calc-page .result-item .ri-value{color:#f8fafc;}
.calc-page .result-item.highlight{background:#ecfdf5;margin:0 -16px;padding-left:16px;padding-right:16px;}
.calc-page .result-item.highlight .ri-value{color:#065f46;}
body.dark .calc-page .result-item.highlight{background:#022c22;}
body.dark .calc-page .result-item.highlight .ri-label{color:#d1fae5;}
body.dark .calc-page .result-item.highlight .ri-value{color:#6ee7b7;}
.calc-page .content-section h2{font-family:var(--font-sans);font-weight:700;letter-spacing:-0.02em;color:#0f172a;}
body.dark .calc-page .content-section h2{color:#fff;}
@media(max-width:768px){.calc-page .result-item.highlight{margin:0 -12px;padding-left:12px;padding-right:12px;}}

/* Homepage explorer on phones: compact 2-column grid, first 8 cards + "Show all". */
.calc-show-all{display:none;}
@media(max-width:768px){
  .calc-results-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
  .calc-results-grid .health-calc-card{flex-direction:column;align-items:flex-start;gap:8px;padding:12px;}
  .calc-results-grid .health-calc-card-name{font-size:13.5px;line-height:1.3;}
  .calc-results-grid .health-calc-card-cat{display:none;}
  .calc-results-grid .is-extra{display:none;}
  .calc-show-all{display:flex;justify-content:center;width:100%;margin-top:14px;padding:12px;
    background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:var(--radius-md);
    color:var(--c-ink);font:600 14px var(--font-sans);cursor:pointer;}
}

/* Category landing pages (components/site/CategoryLanding.tsx) */
.cat-page-hero{padding:56px 0 40px;text-align:center;background:linear-gradient(135deg,var(--c-bg) 0%,var(--c-rule2) 100%);}
.cat-page-hero h1{font-family:var(--font-serif);font-size:clamp(2rem,5vw,3rem);line-height:1.15;margin:12px 0;}
.cat-page-hero h1 em{color:var(--c-accent-text);font-style:normal;}
.cat-page-badge{display:inline-flex;align-items:center;gap:8px;background:var(--c-accent);color:#fff;padding:6px 16px;border-radius:100px;font-size:13px;font-weight:600;margin-bottom:16px;}
.cat-page-sub{color:var(--c-ink2);font-size:1.05rem;max-width:640px;margin:0 auto 8px;}
.cat-section-title{font-size:1.5rem;font-weight:700;margin-bottom:8px;}
.cat-section-sub{color:var(--c-ink2);margin-bottom:24px;}
.cat-page .calc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;}
.cat-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:24px 16px;background:var(--c-surface);border:1.5px solid var(--c-rule);border-radius:16px;color:var(--c-ink);transition:border-color .2s,transform .2s,box-shadow .2s;}
.cat-card:hover{border-color:var(--c-accent);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.08);}
.cat-card-icon{font-size:2rem;margin-bottom:12px;}
.cat-card-name{font-size:14px;font-weight:500;line-height:1.4;}
@media(max-width:480px){.cat-page .calc-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}.cat-card{padding:16px 10px;}}