/* AgeDateCalc design system: teal + amber on warm paper */

:root{
  --teal:#0E6B62;
  --teal-deep:#0A3F46;
  --teal-soft:#E2EFEc;
  --amber:#E9A13B;
  --amber-soft:#FBF1DC;
  --ink:#14353B;
  --muted:#5C6F74;
  --paper:#FAF6EF;
  --white:#FFFFFF;
  --border:#E7DFCC;
  --radius:16px;
  --shadow:0 12px 32px rgba(10,63,70,.10);
  --font-head:"Bricolage Grotesque","Public Sans",system-ui,sans-serif;
  --font-body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.2;letter-spacing:-.01em}
img{max-width:100%}
a{color:var(--teal)}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.mono{font-family:var(--font-mono)}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,246,239,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.header-actions{display:flex;align-items:center;gap:6px}
.header-actions .site-nav{margin-right:18px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo-text{font-family:var(--font-head);font-weight:700;font-size:1.35rem;color:var(--ink)}
.site-nav{display:flex;gap:6px;align-items:center}
.site-nav a{
  text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem;
  padding:10px 14px;border-radius:10px;position:relative;transition:color .15s ease,background .15s ease;
}
.site-nav a:hover{color:var(--teal);background:var(--teal-soft)}
.nav-toggle{display:none}
.nav-burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-burger span{display:block;width:24px;height:2.5px;background:var(--ink);border-radius:2px}

/* Hero */
.hero{padding:72px 0 56px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(600px 300px at 85% 10%,rgba(233,161,59,.14),transparent 70%),
    radial-gradient(700px 340px at 10% 20%,rgba(14,107,98,.12),transparent 70%);
}
.hero-inner{position:relative;text-align:center;max-width:760px;margin:0 auto}
.badge{
  display:inline-block;background:var(--teal-soft);color:var(--teal-deep);
  font-weight:700;font-size:.8rem;padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero h1{font-size:clamp(2rem,5vw,3.2rem);margin-bottom:16px}
.hero h1 .accent{color:var(--teal)}
.lead{font-size:1.12rem;color:var(--muted);max-width:620px;margin:0 auto 28px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-block;padding:13px 28px;border-radius:12px;font-weight:700;
  text-decoration:none;font-size:1rem;transition:transform .15s ease,box-shadow .15s ease;
}
.btn-primary{background:var(--teal);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-outline{border:2px solid var(--teal);color:var(--teal);background:transparent}
.btn-outline:hover{background:var(--teal-soft)}

/* Calculator card */
.calc-card{
  background:var(--white);border:1px solid var(--border);border-radius:20px;
  box-shadow:var(--shadow);padding:28px;max-width:640px;margin:40px auto 0;text-align:left;
}
.calc-card h2{font-size:1.4rem;margin-bottom:6px}
.calc-card p.sub{color:var(--muted);font-size:.95rem;margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.field input,.field select{
  width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:10px;
  font-size:1rem;font-family:var(--font-body);background:#fff;color:var(--ink);
}
.field input:focus,.field select:focus{outline:2px solid var(--teal);border-color:var(--teal)}
.btn-block{width:100%;border:0;cursor:pointer;font-size:1.05rem}
.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}
.result-box{background:var(--paper);border:1px solid var(--border);border-radius:12px;padding:14px;text-align:center}
.result-box .num{font-family:var(--font-mono);font-weight:600;font-size:1.5rem;color:var(--teal-deep);display:block}
.result-box .lbl{font-size:.8rem;color:var(--muted)}
/* Countdown 4-unit grid */
.countdown-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:20px}
@media(max-width:520px){.countdown-grid{grid-template-columns:repeat(2,1fr)}}
/* Tables scroll safely on small screens */
@media(max-width:600px){
  .prose table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
}
.result-note{margin-top:14px;font-size:.92rem;color:var(--muted)}
.result-note strong{color:var(--ink)}

/* World clock band */
.clock-band{background:var(--teal-deep);color:#fff;padding:34px 0;margin:56px 0}
.clock-band h2{color:#fff;text-align:center;margin-bottom:4px;font-size:1.3rem}
.clock-band p{text-align:center;color:rgba(255,255,255,.72);font-size:.92rem;margin-bottom:22px}
.clocks{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.clock{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:14px 8px;text-align:center}
.clock .city{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--amber);font-weight:700}
.clock .time{font-family:var(--font-mono);font-size:1.25rem;font-weight:600;display:block;margin-top:4px}

/* Sections */
.section{padding:56px 0}
.section-title{text-align:center;font-size:clamp(1.5rem,3.5vw,2.1rem);margin-bottom:8px}
.section-sub{text-align:center;color:var(--muted);max-width:600px;margin:0 auto 36px}

/* Tool cards */
.tools-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
@media(max-width:1100px){.tools-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.tools-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.tools-grid{grid-template-columns:1fr}}
/* 4-card variant for related tools */
.tools-grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1100px){.tools-grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.tools-grid-4{grid-template-columns:1fr}}
.tool-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px 22px;text-decoration:none;color:var(--ink);display:block;
  transition:transform .15s ease,box-shadow .15s ease;
}
.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.tool-icon{
  width:48px;height:48px;border-radius:14px;background:var(--teal-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  font-size:1.4rem;
}
.tool-card h3{font-size:1.12rem;margin-bottom:6px}
.tool-card h2{font-size:1.12rem;margin-bottom:6px}
.tool-card p{font-size:.92rem;color:var(--muted)}
.tool-card .go{display:inline-block;margin-top:12px;font-weight:700;color:var(--teal);font-size:.92rem}

/* Disabled buttons */
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none!important;box-shadow:none!important}

/* Sticky header offset for anchored headings */
.prose h2,.prose h3{scroll-margin-top:96px}

/* Feature strip */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.feature{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center}
.feature h3{font-size:1.05rem;margin:10px 0 6px}
.feature p{font-size:.92rem;color:var(--muted)}

/* Guide cards */
.guides-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.guide-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:var(--ink);display:block}
.guide-card:hover{box-shadow:var(--shadow)}
.guide-body{padding:20px}
.guide-date{display:block;margin-top:10px;font-size:.82rem;color:var(--muted)}
.guide-tag{display:inline-block;background:var(--amber-soft);color:#8a5c14;font-size:.75rem;font-weight:700;padding:4px 10px;border-radius:999px;margin-bottom:10px}
.guide-card h3{font-size:1.05rem;margin-bottom:6px}
.guide-card h2{font-size:1.05rem;margin-bottom:6px}
.guide-card p{font-size:.9rem;color:var(--muted)}

/* FAQ */
.faq{max-width:720px;margin:0 auto}
.faq details{background:var(--white);border:1px solid var(--border);border-radius:12px;margin-bottom:10px;padding:16px 20px}
.faq summary{font-weight:700;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--teal);font-size:1.2rem}
.faq details[open] summary::after{content:"-"}
.faq details p{margin-top:10px;color:var(--muted);font-size:.95rem}

/* CTA banner */
.cta-banner{
  background:linear-gradient(120deg,var(--teal) 0%,var(--teal-deep) 100%);
  border-radius:24px;padding:48px 32px;text-align:center;color:#fff;margin:56px 0;
}
.cta-banner h2{color:#fff;margin-bottom:10px;font-size:clamp(1.4rem,3vw,2rem)}
.cta-banner p{color:rgba(255,255,255,.82);margin-bottom:24px}
.btn-amber{background:var(--amber);color:var(--teal-deep)}
.btn-amber:hover{transform:translateY(-2px)}

/* Footer */
.site-footer{background:var(--teal-deep);color:rgba(255,255,255,.78);padding:48px 0 0;margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:36px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:.9rem;margin-top:10px;max-width:280px}
.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:14px}
.footer-col a{display:block;color:rgba(255,255,255,.72);text-decoration:none;font-size:.9rem;margin-bottom:9px}
.footer-col a:hover{color:var(--amber)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:18px 0;text-align:center;font-size:.85rem}

/* Article / prose pages */
.prose{max-width:760px;margin:0 auto;padding:48px 20px}
.prose h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:12px}
.prose h2{font-size:1.45rem;margin:36px 0 12px}
.prose h3{font-size:1.15rem;margin:24px 0 8px}
.prose p,.prose li{color:#2c4449}
.prose p{margin-bottom:16px}
.prose ul,.prose ol{margin:0 0 16px 22px}
.prose li{margin-bottom:8px}
.prose .meta{color:var(--muted);font-size:.9rem;margin-bottom:24px}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.92rem}
.prose th,.prose td{border:1px solid var(--border);padding:10px 12px;text-align:left}
.prose th{background:var(--teal-soft)}

/* Responsive */
@media(max-width:860px){
  .clocks{grid-template-columns:repeat(2,1fr)}
  .clock:last-child{grid-column:span 2}
  .features{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-burger{display:flex}
  .site-nav{
    display:none;position:absolute;top:68px;left:0;right:0;
    background:var(--paper);flex-direction:column;gap:0;
    border-bottom:1px solid var(--border);padding:8px 20px 16px;
  }
  .site-nav a{padding:10px 0;border-top:1px solid var(--border)}
  .nav-toggle:checked ~ .site-nav{display:flex}
  .result-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:520px){
  .result-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:48px 0 40px}
}

/* Dark mode: manual toggle via html[data-theme="dark"]; JS defaults to system preference */
html[data-theme="dark"]{
  --paper:#0d1f23;--white:#12282d;--ink:#eef4f3;--muted:#9db3b6;
  --border:#1e3a40;--teal-soft:#123b35;--amber-soft:#3a2c12;
}
html[data-theme="dark"] .site-header{background:rgba(13,31,35,.92)}
html[data-theme="dark"] .field input,html[data-theme="dark"] .field select{background:#0d1f23;color:var(--ink)}
html[data-theme="dark"] .prose p,html[data-theme="dark"] .prose li{color:#c8d6d4}
html[data-theme="dark"] .tool-card p,html[data-theme="dark"] .guide-card p,html[data-theme="dark"] .calc-card p.sub,html[data-theme="dark"] .result-note{color:var(--muted)}
html[data-theme="dark"] .legal-card p,html[data-theme="dark"] .legal-card li{color:#c8d6d4}
/* Dark mode contrast fixes: elements that use teal-deep/teal text on light backgrounds */
html[data-theme="dark"] .badge{background:#173f38;color:#7fd1c0}
html[data-theme="dark"] .live-clock{color:#7fd1c0}
html[data-theme="dark"] .stat-box .num{color:#7fd1c0}
html[data-theme="dark"] .result-box .num{color:#7fd1c0}
html[data-theme="dark"] .live-clock-wrap{background:var(--white);border-color:var(--border)}
html[data-theme="dark"] .btn-outline{color:#7fd1c0;border-color:#2a9d8f}
html[data-theme="dark"] .btn-outline:hover{background:#173f38}
html[data-theme="dark"] h1 .accent,html[data-theme="dark"] a{color:#7fd1c0}
html[data-theme="dark"] .site-nav a:hover{color:#7fd1c0}
html[data-theme="dark"] .toc-list a::before{background:var(--amber)}
html[data-theme="dark"] .post-content tbody tr:nth-child(even){background:#0d2a2e}
html[data-theme="dark"] .post-content tbody tr:nth-child(odd){background:var(--white)}

/* Theme toggle button */
.theme-toggle{
  background:none;border:1px solid var(--border);border-radius:10px;
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--ink);flex:none;
}
.theme-toggle:hover{border-color:var(--teal)}
.theme-toggle svg{width:20px;height:20px}
.theme-toggle .icon-sun{display:none}
html[data-theme="dark"] .theme-toggle .icon-sun{display:block}
html[data-theme="dark"] .theme-toggle .icon-moon{display:none}

/* Inner pages: hero + legal cards */
.page-hero{padding:60px 0 44px;text-align:center;position:relative;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(600px 300px at 85% 10%,rgba(233,161,59,.14),transparent 70%),
    radial-gradient(700px 340px at 10% 20%,rgba(14,107,98,.12),transparent 70%);
}
.page-hero .wrap{position:relative}
.page-hero h1{font-size:2.6rem;margin:.7rem 0}
.page-hero .lead{max-width:42rem;margin:0 auto}
.legal-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:1.75rem;margin-bottom:1.25rem;
}
.legal-card h2{margin:0 0 .8rem;font-size:1.3rem;display:flex;align-items:center;gap:.65rem}
.legal-card h2 .licon{
  width:42px;height:42px;border-radius:12px;background:var(--teal-soft);
  display:inline-flex;align-items:center;justify-content:center;font-size:1.2rem;flex:none;
}
.legal-card p:last-child,.legal-card ul:last-child{margin-bottom:0}
.legal-card ul{padding-left:1.3rem;margin:.6rem 0}
.legal-card li{margin-bottom:.5rem;color:var(--ink)}
.legal-card p{color:var(--ink)}
.legal-summary{border-left:4px solid var(--amber)}
.mail-card{
  background:var(--teal-deep);color:#fff;border-radius:var(--radius);
  padding:2.5rem 2rem;text-align:center;margin-bottom:2rem;position:relative;overflow:hidden;
}
.mail-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(500px 240px at 80% 0%,rgba(233,161,59,.25),transparent 70%);
}
.mail-card h2{color:#fff;margin-bottom:.5rem;position:relative}
.mail-card p{color:rgba(255,255,255,.82);position:relative}
.mail-card .mail-addr{
  display:inline-block;font-family:var(--font-mono);font-size:1.25rem;font-weight:600;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);
  color:#fff;padding:.8rem 1.6rem;border-radius:12px;margin:1.1rem 0;text-decoration:none;position:relative;
}
.mail-card .mail-addr:hover{background:rgba(255,255,255,.2)}
.update-badge{
  display:inline-block;font-size:.8rem;font-weight:600;color:var(--muted);
  border:1px solid var(--border);border-radius:999px;padding:.35rem 1rem;margin-top:.8rem;
  background:var(--white);
}
@media(max-width:520px){
  .page-hero{padding:44px 0 32px}
  .page-hero h1{font-size:2rem}
  .legal-card{padding:1.3rem}
}

/* ---- Premium micro-interactions (CSS only, no JS cost) ---- */
.tool-card,.guide-card{transition:transform .25s ease,box-shadow .25s ease}
.tool-card:hover,.guide-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(14,107,98,.14)}
.btn{transition:transform .15s ease,box-shadow .15s ease}
.btn:active{transform:scale(.97)}
.btn-primary:hover{box-shadow:0 6px 18px rgba(14,107,98,.35)}
/* Live clock */
.live-clock{font-family:var(--font-mono);font-size:clamp(1.6rem,4vw,2.2rem);font-weight:600;color:var(--teal-deep);letter-spacing:.04em}
.live-clock-wrap{display:inline-flex;align-items:center;gap:10px;background:var(--white);border:1px solid var(--border);border-radius:999px;padding:10px 22px;margin-top:18px;box-shadow:0 4px 14px rgba(14,107,98,.08)}
.live-dot{width:10px;height:10px;border-radius:50%;background:#22c55e;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.8)}}
@media(prefers-reduced-motion:reduce){.live-dot{animation:none}.tool-card:hover,.guide-card:hover{transform:none}}
/* Animated stat counters */
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:16px}
@media(min-width:560px){.stat-grid{grid-template-columns:repeat(4,1fr)}}
.stat-box{background:var(--paper);border:1px solid var(--border);border-radius:12px;padding:14px 10px;text-align:center}
.stat-box .num{font-family:var(--font-mono);font-weight:600;font-size:1.25rem;color:var(--teal-deep);display:block}
.stat-box .lbl{font-size:.78rem;color:var(--muted)}
/* Smooth accordion */
.faq details{transition:background .2s ease}
.faq details[open]{background:var(--teal-soft)}
/* Ticker tape for hero timezone label (seamless loop, works on all devices) */
.ticker{display:block;overflow:hidden;max-width:170px;width:100%;margin:0 auto}
.ticker-track{display:inline-flex;white-space:nowrap;animation:ticker-scroll 7s linear infinite;will-change:transform}
.ticker-text{padding-right:70px;font-size:.8rem;color:var(--muted);font-weight:500;flex-shrink:0}
@keyframes ticker-scroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.ticker-track{animation:none}}

/* ---- Mobile viewport polish ---- */
@media(max-width:520px){
  /* Hero live clock: fit narrow screens */
  .live-clock-wrap{padding:8px 16px;max-width:calc(100vw - 40px)}
  .live-clock{font-size:1.4rem}
  .ticker{max-width:150px}
  /* Tool input grids stack cleanly */
  .calc-card{padding:20px 16px}
  .field input,.field select{font-size:16px} /* stops iOS auto-zoom on focus */
  /* Stat grids: 2 columns max on phones */
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  /* FAQ touch targets */
  .faq summary{padding:14px 12px}
  /* Buttons full-width where stacked */
  .cta-row .btn{margin-bottom:8px}
}
/* Prevent any horizontal overflow sitewide */
html,body{overflow-x:hidden}
img,video,iframe{max-width:100%}

/* ---- Blog post design: matches StudentCalcTools structure, AgeDateCalc branding ---- */
/* Reading progress bar */
.reading-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--teal),var(--amber));z-index:100}
/* Breadcrumb */
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--teal);text-decoration:none}
.breadcrumb span{margin:0 6px}
/* Meta pills */
.post-meta-pills{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:18px}
.meta-pill{background:var(--white);border:1px solid var(--border);border-radius:999px;padding:6px 14px;font-size:.82rem;font-weight:600;color:var(--muted)}
/* Post layout: sidebar + content */
.post-layout{display:grid;grid-template-columns:280px 1fr;gap:36px;align-items:start;max-width:1120px}
.post-content{min-width:0}
.post-content h2,.post-content h3{scroll-margin-top:96px}
/* Author card */
.author-card{background:linear-gradient(135deg,var(--teal) 0%,var(--teal-deep) 100%);border-radius:var(--radius);padding:24px 20px;color:#fff;text-align:center;margin-bottom:20px}
.author-avatar{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.15);border:2px solid rgba(255,255,255,.5);display:flex;align-items:center;justify-content:center;font-family:var(--font-head);font-weight:700;font-size:1.6rem;margin:0 auto 12px}
.author-name{font-family:var(--font-head);font-weight:700;font-size:1.1rem}
.author-role{font-size:.8rem;color:var(--amber);font-weight:600;margin-bottom:10px}
.author-bio{font-size:.85rem;color:rgba(255,255,255,.85);line-height:1.6}
/* TOC card */
.toc-card{background:var(--teal-deep);border-radius:var(--radius);padding:22px 20px;position:sticky;top:88px;max-height:calc(100vh - 110px);overflow-y:auto}
.toc-title{color:#fff;font-family:var(--font-head);font-weight:700;font-size:1rem;margin-bottom:14px}
.toc-list{list-style:none}
.toc-list li{margin-bottom:8px}
.toc-list li.toc-sub{margin-left:14px}
.toc-list a{color:rgba(255,255,255,.78);text-decoration:none;font-size:.86rem;line-height:1.45;display:block;padding-left:14px;position:relative}
.toc-list a::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--amber)}
.toc-list a:hover{color:#fff}
/* Branded tables inside posts */
.post-content table{width:100%;border-collapse:separate;border-spacing:0;margin:20px 0;border:1px solid var(--border);border-radius:12px;overflow:hidden;font-size:.92rem}
.post-content thead th{background:linear-gradient(135deg,var(--teal),var(--teal-deep));color:#fff;font-weight:700;text-align:left;padding:12px 14px}
.post-content tbody td{padding:11px 14px;border-top:1px solid var(--border)}
.post-content tbody tr:nth-child(even){background:#F4EFE2}
.post-content tbody tr:nth-child(odd){background:var(--white)}
/* CTA card */
.cta-card{text-align:center}
/* Mobile: sidebar stacks above content */
@media(max-width:860px){
  .post-layout{grid-template-columns:1fr}
  .toc-card{position:static;max-height:none}
  .post-sidebar{order:1}
  .post-content{order:2}
}

/* ---- Related Guides auto-scrolling strip (tool pages) ---- */
.related-guides{padding:48px 0 8px}
.related-guides-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.related-guides-head h2{font-size:1.5rem}
.guides-strip-viewport{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 4%,#000 96%,transparent);mask-image:linear-gradient(90deg,transparent,#000 4%,#000 96%,transparent)}
.guides-strip{display:flex;width:max-content;animation:strip-scroll 32s linear infinite}
.guides-strip:hover{animation-play-state:paused}
.guides-strip-set{display:flex;gap:18px;padding-right:18px}
.strip-card{width:320px;flex-shrink:0}
@keyframes strip-scroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){
  .guides-strip{animation:none}
  .guides-strip-viewport{overflow-x:auto}
}
@media(max-width:520px){
  .strip-card{width:270px}
  .guides-strip{animation-duration:24s}
}

/* ---- Hero analog clock card ---- */
.hero-clock-card{display:inline-flex;align-items:center;gap:20px;background:var(--white);border:1px solid var(--border);border-radius:20px;padding:16px 26px 16px 18px;margin-top:20px;box-shadow:0 4px 14px rgba(14,107,98,.08);text-align:left}
.analog-clock{width:104px;height:104px;flex-shrink:0}
.clock-face{fill:var(--paper);stroke:var(--teal);stroke-width:2.5}
.clock-ticks line{stroke:var(--muted);stroke-width:2;stroke-linecap:round}
.hand-hour{stroke:var(--teal-deep);stroke-width:5;stroke-linecap:round}
.hand-minute{stroke:var(--teal);stroke-width:3.5;stroke-linecap:round}
.hand-second{stroke:var(--amber);stroke-width:1.6;stroke-linecap:round}
.clock-center{fill:var(--amber);stroke:var(--white);stroke-width:1.5}
.hero-clock-info{display:flex;flex-direction:column;gap:2px}
.hero-clock-digital{font-family:var(--font-mono);font-size:1.7rem;font-weight:600;color:var(--teal-deep);letter-spacing:.03em;line-height:1.15}
.hero-clock-city{font-size:.85rem;color:var(--muted);font-weight:600}
html[data-theme="dark"] .hero-clock-digital{color:#7fd1c0}
html[data-theme="dark"] .clock-face{fill:#0d1f23}
@media(max-width:520px){
  .hero-clock-card{gap:14px;padding:12px 18px 12px 12px;max-width:calc(100vw - 40px)}
  .analog-clock{width:84px;height:84px}
  .hero-clock-digital{font-size:1.3rem}
}

/* Guide card thumbnails */
.guide-thumb{display:block;width:100%;height:auto;aspect-ratio:1200/630;object-fit:cover}

/* Blog images: any image placed in an article renders at one standard
   dimension (1200x630 ratio) on desktop and mobile, whatever its
   uploaded size. object-fit cover crops to the ratio without distortion. */
.post-content img{display:block;width:100%;height:auto;aspect-ratio:1200/630;object-fit:cover;border-radius:12px;margin:26px 0}
.post-featured{margin:0 0 28px}
.post-featured img{display:block;width:100%;height:auto;aspect-ratio:1200/630;object-fit:cover;border-radius:14px}
.post-faq{margin-top:44px;border-top:2px solid var(--border);padding-top:28px}
.post-faq h2{margin-bottom:18px}
.post-faq-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin-bottom:14px}
.post-faq-item h3{font-size:1.02rem;margin-bottom:6px}
.post-faq-item p{margin:0;color:var(--muted)}

/* Post CTA banner (full width, above footer) */
.post-cta{background:linear-gradient(120deg,var(--teal) 0%,var(--teal-deep) 100%);padding:56px 0;margin-top:0}
.post-cta-wrap{max-width:760px;margin:0 auto;text-align:center;padding:0 20px}
.post-cta h2{color:#fff;font-size:2rem;margin-bottom:12px}
.post-cta p{color:rgba(255,255,255,.88);font-size:1.05rem;line-height:1.65;margin:0 auto 26px;max-width:620px}
.post-cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.post-cta-primary{display:inline-flex;align-items:center;min-height:48px;padding:12px 26px;border-radius:10px;background:#fff;color:var(--teal-deep);font-weight:700;text-decoration:none}
.post-cta-primary:hover{background:var(--amber);color:var(--ink)}
.post-cta-secondary{display:inline-flex;align-items:center;min-height:48px;padding:12px 26px;border-radius:10px;background:transparent;color:#fff;font-weight:700;text-decoration:none;border:2px solid rgba(255,255,255,.75)}
.post-cta-secondary:hover{border-color:#fff;background:rgba(255,255,255,.12)}
@media (max-width:600px){.post-cta{padding:42px 0}.post-cta h2{font-size:1.6rem}}

/* Tighter post top spacing */
.post-section{padding-top:24px}
.post-hero{padding-bottom:26px}