/* ==========================================================================
   RateVault — Design System
   Subject: exchange boards, ticker tape, ledgers. Numbers are the hero.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  /* ---- Color tokens ---- */
  --ink:        #0B1220;   /* primary background, deep ledger navy */
  --ink-soft:   #131C2E;   /* raised panel on ink */
  --ink-line:   #223047;   /* hairline borders on dark */
  --paper:      #F7F5F0;   /* card surface, warm paper */
  --paper-dim:  #ECE8DF;   /* secondary paper surface */
  --ink-text:   #E8E9ED;   /* body text on ink */
  --ink-mute:   #8A93A6;   /* captions / mute on ink */
  --paper-text: #14161A;   /* body text on paper */
  --paper-mute: #5B5F6B;   /* captions / mute on paper */
  --signal-up:  #16C784;   /* rate up / positive */
  --signal-down:#F2455C;   /* rate down / negative */
  --accent:     #F2A93B;   /* amber accent, used sparingly */
  --rule:       rgba(255,255,255,0.08);

  /* ---- Type ---- */
  --font-display: 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;

  /* ---- Scale ---- */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --container: 1220px;
  --gap: 20px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--ink-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* Visible keyboard focus everywhere */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--signal-up);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--ink-text);
}

.on-paper h1, .on-paper h2, .on-paper h3, .on-paper h4 { color: var(--paper-text); }

p { margin: 0 0 1em; }
.mute { color: var(--ink-mute); }
.on-paper .mute { color: var(--paper-mute); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal-up);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--signal-up);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(22,199,132,0.18);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 28px;
}
.section-head h2 { font-size: clamp(24px, 3vw, 32px); }
.section-head .desc { max-width: 520px; font-size: 15px; }

/* Numeric / mono utility — the signature device */
.num {
  font-family: var(--font-mono);
  font-feature-settings: "tnum" 1;
  letter-spacing: -0.01em;
}

/* ==========================================================================
   Header + Nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11,18,32,0.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--ink-line);
}

.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--ink-text);
}
.brand .mark {
  width: 30px; height: 30px;
  border-radius: 7px;
  background: linear-gradient(155deg, var(--signal-up), #0B9D69);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  flex-shrink: 0;
}
.brand .tld { color: var(--ink-mute); font-weight: 500; }

.main-nav { display: flex; gap: 28px; align-items: center; }
.main-nav a {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-mute);
  transition: color .15s ease;
}
.main-nav a:hover { color: var(--ink-text); }

.nav-cta {
  background: var(--signal-up);
  color: #06291C;
  font-weight: 700;
  font-size: 14px;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
}

.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--ink-line); color: var(--ink-text);
  width: 38px; height: 38px; border-radius: var(--radius-sm); cursor: pointer;
}

/* ---- Ticker strip ---- */
.ticker-wrap {
  background: var(--ink-soft);
  border-bottom: 1px solid var(--ink-line);
  overflow: hidden;
  white-space: nowrap;
  position: relative;
}
.ticker-wrap::before, .ticker-wrap::after {
  content: '';
  position: absolute; top: 0; bottom: 0; width: 48px; z-index: 2;
}
.ticker-wrap::before { left: 0; background: linear-gradient(90deg, var(--ink-soft), transparent); }
.ticker-wrap::after { right: 0; background: linear-gradient(270deg, var(--ink-soft), transparent); }

.ticker-track {
  display: inline-flex;
  align-items: center;
  gap: 36px;
  padding: 9px 0;
  animation: ticker-scroll 42s linear infinite;
  will-change: transform;
}
.ticker-wrap:hover .ticker-track { animation-play-state: paused; }

@keyframes ticker-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-mute);
  flex-shrink: 0;
}
.ticker-item .sym { color: var(--ink-text); font-weight: 600; }
.ticker-item .chg { font-weight: 600; }
.ticker-item .chg.up { color: var(--signal-up); }
.ticker-item .chg.down { color: var(--signal-down); }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: 56px 0 64px;
  background:
    radial-gradient(ellipse 900px 420px at 12% -10%, rgba(22,199,132,0.16), transparent 60%),
    radial-gradient(ellipse 700px 380px at 100% 0%, rgba(242,169,59,0.10), transparent 60%);
  border-bottom: 1px solid var(--ink-line);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(360px, 460px);
  gap: 40px;
  align-items: start;
}

.hero-copy h1 {
  font-size: clamp(32px, 4.4vw, 50px);
  line-height: 1.08;
  margin-bottom: 16px;
}
.hero-copy h1 .accent { color: var(--signal-up); }
.hero-copy .lead {
  font-size: 17px;
  color: var(--ink-mute);
  max-width: 540px;
  margin-bottom: 26px;
}

.hero-stats {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.hero-stats .stat .v {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--ink-text);
  display: block;
}
.hero-stats .stat .l {
  font-size: 12.5px;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---- Converter card (the hero "thesis" widget) ---- */
.converter-card {
  background: var(--paper);
  color: var(--paper-text);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: 0 24px 60px -20px rgba(0,0,0,0.55), 0 0 0 1px rgba(0,0,0,0.04);
}
.converter-card .cc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.converter-card .cc-head .title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.live-dot {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  color: var(--signal-up); text-transform: uppercase; letter-spacing: 0.08em;
}
.live-dot .d {
  width: 7px; height: 7px; border-radius: 50%; background: var(--signal-up);
  box-shadow: 0 0 0 0 rgba(22,199,132,0.6);
  animation: pulse-dot 1.8s ease-out infinite;
}
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(22,199,132,0.55); }
  70% { box-shadow: 0 0 0 7px rgba(22,199,132,0); }
  100% { box-shadow: 0 0 0 0 rgba(22,199,132,0); }
}

.cc-field {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.cc-field input[type="text"] {
  border: none; outline: none; background: none;
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 600;
  width: 100%;
  color: var(--paper-text);
  min-width: 0;
}
.cc-field select {
  border: none; outline: none; background: var(--paper-dim);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 13.5px;
  padding: 8px 8px;
  border-radius: 8px;
  color: var(--paper-text);
  flex-shrink: 0;
  cursor: pointer;
  width: 100px;
  text-overflow: ellipsis;
}
.cc-flag { font-size: 18px; line-height: 1; }

.cc-swap-row {
  display: flex; justify-content: center; margin: 2px 0 8px;
}
.cc-swap {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--signal-up);
  border: 4px solid var(--paper);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 16px;
  transition: transform .2s ease;
}
.cc-swap:hover { transform: rotate(180deg); }

.cc-result {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed rgba(0,0,0,0.14);
  font-size: 13px;
  color: var(--paper-mute);
}
.cc-result .rate-line {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--paper-text);
  font-size: 14px;
  margin-bottom: 4px;
}
.cc-meta {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 10px; font-size: 11.5px; color: var(--paper-mute);
}
.cc-meta .chg.up { color: var(--signal-up); font-weight: 700; }
.cc-meta .chg.down { color: var(--signal-down); font-weight: 700; }

/* ==========================================================================
   Sections (generic)
   ========================================================================== */

.section { padding: 64px 0; }
.section.on-paper { background: var(--paper); color: var(--paper-text); }
.section.alt { background: var(--ink-soft); }

/* ==========================================================================
   Widget grid — small conversion cards
   ========================================================================== */

.widget-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
}

.widget-card {
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: border-color .15s ease, transform .15s ease;
}
.widget-card:hover { border-color: var(--signal-up); transform: translateY(-2px); }

.widget-card .wc-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.widget-card .wc-label {
  font-size: 12.5px; font-weight: 600; color: var(--ink-mute);
  display: flex; align-items: center; gap: 6px;
}
.widget-card .wc-icon { font-size: 16px; }
.widget-card .wc-value {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  color: var(--ink-text);
  word-break: break-all;
}
.widget-card .wc-sub {
  font-size: 11.5px; color: var(--ink-mute); margin-top: 6px;
}
.widget-card .wc-chg { font-weight: 700; }
.widget-card .wc-chg.up { color: var(--signal-up); }
.widget-card .wc-chg.down { color: var(--signal-down); }

/* category filter pills for widget grid */
.pill-row {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px;
}
.pill {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 99px;
  border: 1px solid var(--ink-line);
  background: transparent;
  color: var(--ink-mute);
  cursor: pointer;
  transition: all .15s ease;
}
.pill.active, .pill:hover { border-color: var(--signal-up); color: var(--ink-text); }
.pill.active { background: rgba(22,199,132,0.12); }

/* ==========================================================================
   Crypto table
   ========================================================================== */

.market-table-wrap {
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.market-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.market-table thead th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-mute);
  padding: 14px 16px;
  border-bottom: 1px solid var(--ink-line);
  white-space: nowrap;
}
.market-table thead th.num-col, .market-table td.num-col { text-align: right; }
.market-table tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--ink-line);
  vertical-align: middle;
}
.market-table tbody tr:last-child td { border-bottom: none; }
.market-table tbody tr { transition: background .15s ease; }
.market-table tbody tr:hover { background: rgba(255,255,255,0.03); }

.coin-cell { display: flex; align-items: center; gap: 10px; }
.coin-cell img { width: 26px; height: 26px; border-radius: 50%; flex-shrink: 0; }
.coin-cell .name { font-weight: 600; color: var(--ink-text); font-size: 14px; }
.coin-cell .sym { color: var(--ink-mute); font-size: 12px; font-family: var(--font-mono); }

.market-table td.price, .market-table td.mcap, .market-table td.vol {
  font-family: var(--font-mono); text-align: right; color: var(--ink-text);
}
.market-table td.chg { text-align: right; font-family: var(--font-mono); font-weight: 700; }
.market-table td.chg.up { color: var(--signal-up); }
.market-table td.chg.down { color: var(--signal-down); }
.rank-num { color: var(--ink-mute); font-family: var(--font-mono); font-size: 12.5px; }

.table-scroll { overflow-x: auto; }

/* ==========================================================================
   Info / content cards (AdSense-friendly substantive content)
   ========================================================================== */

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.info-card {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.info-card .ic-icon {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: rgba(22,199,132,0.12);
  color: #0B9D69;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
}
.info-card h3 { font-size: 17px; margin-bottom: 8px; }
.info-card p { font-size: 14px; color: var(--paper-mute); margin-bottom: 0; }

/* ---- Two-column article + sidebar (good AdSense layout) ---- */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 40px;
}
.article-body h2 { font-size: 22px; margin: 32px 0 12px; }
.article-body h2:first-child { margin-top: 0; }
.article-body p { font-size: 15px; color: var(--paper-mute); }
.article-body ul { font-size: 15px; color: var(--paper-mute); padding-left: 20px; }
.article-body li { margin-bottom: 6px; }

.sidebar { display: flex; flex-direction: column; gap: 20px; }
.ad-slot {
  background: var(--paper-dim);
  border: 1px dashed rgba(0,0,0,0.18);
  border-radius: var(--radius-md);
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper-mute);
  text-align: center;
  padding: 12px;
}
.ad-slot.leaderboard { min-height: 100px; }
.ad-slot.in-feed { min-height: 120px; margin: 36px 0; }

/* ---- FAQ accordion ---- */
.faq-list { display: flex; flex-direction: column; gap: 10px; max-width: 760px; }
.faq-item {
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.faq-q {
  width: 100%;
  text-align: left;
  background: none; border: none;
  color: var(--ink-text);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 16px 18px;
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer;
  gap: 12px;
}
.faq-q .chev { color: var(--signal-up); transition: transform .2s ease; flex-shrink: 0; }
.faq-item.open .faq-q .chev { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
  padding: 0 18px;
  font-size: 14px;
  color: var(--ink-mute);
}
.faq-item.open .faq-a { max-height: 240px; padding-bottom: 16px; }

/* ---- Tools row (nice-to-have utility cards) ---- */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.tool-card {
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: left;
  cursor: pointer;
  transition: border-color .15s ease, transform .15s ease;
}
.tool-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.tool-card .tc-icon { font-size: 22px; margin-bottom: 10px; }
.tool-card h4 { font-size: 14.5px; margin-bottom: 6px; }
.tool-card p { font-size: 12.5px; color: var(--ink-mute); margin: 0; }

/* ---- Modal for tools ---- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(5,8,15,0.7);
  backdrop-filter: blur(3px);
  display: none;
  align-items: center; justify-content: center;
  z-index: 1000;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--paper);
  color: var(--paper-text);
  border-radius: var(--radius-lg);
  padding: 26px;
  max-width: 440px;
  width: 100%;
  max-height: 86vh;
  overflow-y: auto;
}
.modal-box .mb-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.modal-close {
  background: var(--paper-dim); border: none; width: 30px; height: 30px;
  border-radius: 50%; cursor: pointer; font-size: 16px; color: var(--paper-mute);
}
.modal-box label {
  display: block; font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--paper-mute); margin: 14px 0 6px;
}
.modal-box input, .modal-box select {
  width: 100%; padding: 11px 12px; border-radius: 8px;
  border: 1px solid rgba(0,0,0,0.12); font-family: var(--font-mono); font-size: 15px;
  background: #fff; color: var(--paper-text);
}
.modal-result {
  margin-top: 18px; padding: 16px; background: var(--paper-dim);
  border-radius: 10px; font-family: var(--font-mono); font-size: 15px; font-weight: 700;
}

/* ==========================================================================
   Newsletter / engagement strip
   ========================================================================== */

.newsletter {
  background: linear-gradient(135deg, #0E2B22, #0B1220);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.newsletter h3 { font-size: 21px; margin-bottom: 6px; }
.newsletter p { color: var(--ink-mute); margin: 0; font-size: 14px; }
.newsletter-form { display: flex; gap: 10px; flex-wrap: wrap; }
.newsletter-form input {
  padding: 12px 14px; border-radius: 8px; border: 1px solid var(--ink-line);
  background: var(--ink); color: var(--ink-text); font-size: 14px; min-width: 230px;
}
.newsletter-form button {
  background: var(--signal-up); color: #06291C; font-weight: 700;
  border: none; padding: 12px 20px; border-radius: 8px; cursor: pointer; font-size: 14px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: #070B14;
  border-top: 1px solid var(--ink-line);
  padding: 52px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr 0.8fr;
  gap: 28px;
  margin-bottom: 36px;
}
.footer-grid h4 {
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--ink-mute); margin-bottom: 14px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-grid a { font-size: 14px; color: var(--ink-text); opacity: 0.85; }
.footer-grid a:hover { opacity: 1; color: var(--signal-up); }
.footer-about p { font-size: 13.5px; color: var(--ink-mute); max-width: 320px; }
.footer-bottom {
  border-top: 1px solid var(--ink-line);
  padding-top: 22px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  font-size: 12.5px; color: var(--ink-mute);
}
.disclaimer-box {
  background: var(--ink-soft); border: 1px solid var(--ink-line);
  border-radius: var(--radius-md); padding: 16px 18px; font-size: 12.5px;
  color: var(--ink-mute); margin-bottom: 32px; line-height: 1.6;
}

/* ==========================================================================
   Pair landing pages (breadcrumb + related conversions)
   ========================================================================== */

.breadcrumb {
  font-size: 13px;
  color: var(--ink-mute);
  padding: 14px 0;
}
.breadcrumb a { color: var(--ink-mute); }
.breadcrumb a:hover { color: var(--signal-up); }
.breadcrumb .sep { margin: 0 6px; opacity: 0.5; }
.breadcrumb .current { color: var(--ink-text); }

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}
.related-card {
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: border-color .15s ease, transform .15s ease;
}
.related-card:hover { border-color: var(--signal-up); transform: translateY(-2px); }
.related-card .rc-pair {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink-text);
}
.related-card .rc-arrow { color: var(--signal-up); font-size: 13px; }

.popular-strip {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}
.popular-strip a {
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-text);
  text-align: center;
  transition: border-color .15s ease, color .15s ease;
}
.popular-strip a:hover { border-color: var(--signal-up); color: var(--signal-up); }

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 24px 0 8px;
}
.stat-box {
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: var(--radius-md);
  padding: 16px;
}
.stat-box .sb-label { font-size: 12px; color: var(--ink-mute); margin-bottom: 6px; }
.stat-box .sb-value { font-family: var(--font-mono); font-size: 19px; font-weight: 700; color: var(--ink-text); }

@media (max-width: 760px) {
  .stat-row { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .tool-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 760px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .nav-cta { padding: 9px 12px; font-size: 0; }
  .nav-cta::before { content: '↻'; font-size: 17px; line-height: 1; }
  .nav-row { gap: 8px; }
  .brand { font-size: 17px; overflow: hidden; white-space: nowrap; }
  .brand .tld { display: none; }
  .hero-stats { gap: 18px; }
  .info-grid { grid-template-columns: 1fr; }
  .tool-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 44px 0; }
}

@media (max-width: 480px) {
  .tool-grid { grid-template-columns: 1fr; }
  .hero-copy h1 { font-size: 28px; }
}

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--ink-soft);
  border-bottom: 1px solid var(--ink-line);
  padding: 14px 24px 18px;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: 11px 0;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink-text);
  border-bottom: 1px solid var(--ink-line);
}
.mobile-nav a:last-child { border-bottom: none; }