/* =====================================================================
   DUMINA GOLF — duminagolf.com
   Global Stylesheet
   Design system: Premium Korean tech / performance golf shaft brand
   Colors:  Near-black + electric cyan + signature magenta (Autoflex)
   Fonts:   Space Grotesk (display) + Inter (body) via Google Fonts
   ===================================================================== */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* ---------- Design Tokens ---------- */
:root {
  --bg: #050507;
  --bg-2: #0b0b10;
  --bg-3: #14141c;
  --surface: #1a1a24;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.18);

  --text: #f5f5f7;
  --text-muted: #9a9aa6;
  --text-dim: #64646e;

  --accent: #00e0ff;          /* electric cyan — innovation/speed */
  --accent-2: #ff2d87;        /* signature magenta — Autoflex DNA */
  --gold: #e5b94a;            /* premium highlight */

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;

  --container: 1280px;
  --gutter: clamp(20px, 4vw, 40px);

  --shadow-sm: 0 2px 10px rgba(0,0,0,.4);
  --shadow: 0 20px 60px rgba(0,0,0,.55);
  --shadow-glow: 0 0 60px rgba(0,224,255,.25);

  --ease: cubic-bezier(.2,.7,.2,1);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

section { padding: clamp(60px, 9vw, 120px) 0; }

/* ---------- Utilities ---------- */
.eyebrow {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.eyebrow--magenta { color: var(--accent-2); }
.eyebrow--gold { color: var(--gold); }

.muted { color: var(--text-muted); }
.center { text-align: center; }

.h-xl { font-size: clamp(40px, 7vw, 96px); font-weight: 800; letter-spacing: -0.03em; }
.h-lg { font-size: clamp(32px, 5vw, 64px); font-weight: 800; letter-spacing: -0.03em; }
.h-md { font-size: clamp(26px, 3.6vw, 44px); font-weight: 700; }
.h-sm { font-size: clamp(20px, 2.2vw, 28px); font-weight: 700; }
.lede { font-size: clamp(16px, 1.4vw, 20px); color: var(--text-muted); max-width: 62ch; }

.section-head { max-width: 780px; margin: 0 auto clamp(40px, 6vw, 72px); text-align: center; }

/* gradient text */
.grad-cyan {
  background: linear-gradient(135deg, #ffffff 0%, #a7f3ff 50%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.grad-magenta {
  background: linear-gradient(135deg, #ffffff 0%, #ffb1d7 55%, var(--accent-2) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600; font-size: 14px;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: transform .2s var(--ease), background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--accent); color: #001418; }
.btn--primary:hover { background: #6aefff; }
.btn--magenta { background: var(--accent-2); color: #fff; }
.btn--magenta:hover { background: #ff5aa3; }
.btn--ghost { background: transparent; color: var(--text); border: 1px solid var(--border-strong); }
.btn--ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn--dark { background: #000; color: #fff; border: 1px solid var(--border-strong); }
.btn svg { width: 16px; height: 16px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 80;
  background: rgba(5,5,7,.72);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.nav-logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'Space Grotesk', sans-serif; font-weight: 800;
  font-size: 22px; letter-spacing: -.02em; color: var(--text);
}
.nav-logo .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 14px var(--accent); }
.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-menu a {
  position: relative;
  padding: 10px 14px;
  font-size: 14px; font-weight: 500; color: var(--text);
  border-radius: 8px;
}
.nav-menu a:hover { color: var(--accent); }
.nav-menu a.active { color: var(--accent); }
.nav-cta { display: flex; align-items: center; gap: 10px; }

/* dropdown */
.has-sub { position: relative; }
.sub-menu {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 280px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .18s var(--ease), transform .18s var(--ease);
}
.has-sub:hover .sub-menu, .has-sub:focus-within .sub-menu {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.sub-menu a { display: block; padding: 10px 14px; border-radius: 8px; font-size: 14px; }
.sub-menu a:hover { background: rgba(255,255,255,.04); color: var(--accent); }
.sub-menu .sub-title { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--text-dim); padding: 12px 14px 6px; }

/* mobile toggle */
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--border); border-radius: 8px;
  align-items: center; justify-content: center;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px; background: #fff;
  position: relative;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: ''; position: absolute; left: 0; width: 18px; height: 2px; background: #fff;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: min(92vh, 900px);
  display: grid; align-items: center;
  overflow: hidden;
  background:
    radial-gradient(1200px 600px at 75% 10%, rgba(0,224,255,.20), transparent 60%),
    radial-gradient(900px 500px at 10% 90%, rgba(255,45,135,.18), transparent 60%),
    linear-gradient(180deg, #000 0%, #050507 60%);
  padding: 80px 0 60px;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(0,224,255,.08);
  border: 1px solid rgba(0,224,255,.25);
  color: var(--accent);
  font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
}
.hero h1 { margin: 20px 0 24px; }
.hero p.lede { margin-bottom: 36px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-meta {
  margin-top: 60px;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr));
  gap: 24px; max-width: 720px;
}
.hero-meta .stat { border-left: 2px solid var(--accent); padding-left: 16px; }
.hero-meta .stat strong { font-family: 'Space Grotesk'; font-size: 32px; display: block; font-weight: 800; }
.hero-meta .stat span { font-size: 13px; color: var(--text-muted); letter-spacing: .08em; text-transform: uppercase; }

/* ---------- Cards / Grids ---------- */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.card {
  background: linear-gradient(180deg, var(--bg-2), var(--bg-3));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.card:hover { transform: translateY(-6px); border-color: rgba(0,224,255,.35); box-shadow: var(--shadow-glow); }
.card h3 { margin: 10px 0 8px; font-size: 22px; }
.card p { color: var(--text-muted); }
.card .icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: rgba(0,224,255,.12); color: var(--accent);
  display: grid; place-items: center; margin-bottom: 16px;
  border: 1px solid rgba(0,224,255,.25);
}
.card .icon svg { width: 26px; height: 26px; }

/* Product card */
.product-card {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, #101018, #070709);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex; flex-direction: column; gap: 18px;
  min-height: 360px;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.product-card::after {
  content: ''; position: absolute; inset: auto -30% -40% auto;
  width: 360px; height: 360px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,224,255,.25), transparent 60%);
  filter: blur(20px);
  z-index: 0;
}
.product-card.magenta::after { background: radial-gradient(circle, rgba(255,45,135,.3), transparent 60%); }
.product-card > * { position: relative; z-index: 1; }
.product-card:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.product-card .series {
  font-family: 'Space Grotesk'; font-size: 12px; font-weight: 600;
  color: var(--accent); letter-spacing: .22em; text-transform: uppercase;
}
.product-card.magenta .series { color: var(--accent-2); }
.product-card h3 { font-size: 36px; }
.product-card .specs {
  display: flex; gap: 24px; flex-wrap: wrap;
  font-size: 13px; color: var(--text-muted);
}
.product-card .specs strong { color: var(--text); font-family: 'Space Grotesk'; display: block; font-size: 18px; }
.product-card .arrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--accent); font-weight: 600; font-size: 14px;
  font-family: 'Space Grotesk'; letter-spacing: .08em; text-transform: uppercase;
}
.product-card.magenta .arrow { color: var(--accent-2); }

/* ---------- Feature / Tech blocks ---------- */
.split {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(30px, 6vw, 80px);
  align-items: center;
}
.split.reverse { grid-template-columns: 1fr 1.1fr; }
.split.reverse > :first-child { order: 2; }
@media (max-width: 900px) { .split, .split.reverse { grid-template-columns: 1fr; } .split.reverse > :first-child { order: 0; } }

.tech-visual {
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 70% 30%, rgba(0,224,255,.4), transparent 55%),
    radial-gradient(circle at 20% 80%, rgba(255,45,135,.35), transparent 55%),
    linear-gradient(135deg, #0b0b10, #1a1a28);
  border: 1px solid var(--border);
  display: grid; place-items: center;
  position: relative; overflow: hidden;
}

/* shaft rod illustration (pure CSS) */
.shaft {
  position: relative;
  width: 90%; height: 42px;
  border-radius: 50px;
  background: linear-gradient(180deg, #444 0%, #0a0a0a 50%, #444 100%);
  box-shadow: inset 0 2px 4px rgba(255,255,255,.4), 0 20px 40px rgba(0,0,0,.5);
}
.shaft::before {
  content: ''; position: absolute; left: 6px; top: 50%; transform: translateY(-50%);
  width: 30px; height: 30px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff 0%, #aaa 30%, #222 100%);
}
.shaft.cyan { background: linear-gradient(180deg, #00e0ff, #003038 50%, #00e0ff); }
.shaft.magenta { background: linear-gradient(180deg, #ff2d87, #3a001c 50%, #ff2d87); }
.shaft.gold { background: linear-gradient(180deg, #e5b94a, #3a2b06 50%, #e5b94a); }

/* ---------- Stats band ---------- */
.stats-band {
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(0,224,255,.12), transparent 70%),
    #070709;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
}
@media (max-width: 700px) { .stats-row { grid-template-columns: repeat(2, 1fr); } }
.stats-row .stat {
  padding: 36px 24px; text-align: center;
  border-right: 1px solid var(--border);
}
.stats-row .stat:last-child { border-right: 0; }
.stats-row .stat strong {
  display: block; font-family: 'Space Grotesk'; font-size: clamp(36px, 5vw, 56px);
  font-weight: 800; background: linear-gradient(180deg, #fff, var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stats-row .stat span { color: var(--text-muted); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; }

/* ---------- Page hero (subpages) ---------- */
.page-hero {
  padding: 140px 0 80px;
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 400px at 80% 0%, rgba(0,224,255,.18), transparent 60%),
    radial-gradient(700px 300px at 0% 100%, rgba(255,45,135,.14), transparent 60%),
    linear-gradient(180deg, #000, #050507);
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { max-width: 20ch; margin-bottom: 20px; }
.page-hero p.lede { max-width: 70ch; }
.breadcrumbs { font-size: 13px; color: var(--text-dim); margin-bottom: 20px; letter-spacing: .08em; }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs span { margin: 0 8px; }

/* ---------- Spec Table ---------- */
.spec-table {
  width: 100%; border-collapse: collapse;
  background: var(--bg-2); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border);
  font-size: 15px;
}
.spec-table th, .spec-table td {
  padding: 16px 20px; text-align: left;
  border-bottom: 1px solid var(--border);
}
.spec-table thead th {
  background: #0d0d14;
  font-family: 'Space Grotesk'; font-size: 12px;
  letter-spacing: .16em; text-transform: uppercase; color: var(--text-muted);
}
.spec-table tbody tr:last-child td { border-bottom: 0; }
.spec-table tbody tr:hover { background: rgba(255,255,255,.02); }
.spec-table td strong { font-family: 'Space Grotesk'; }
.spec-table .badge {
  display: inline-block; padding: 4px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  border: 1px solid var(--border-strong);
}

/* ---------- News cards ---------- */
.news-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.news-card:hover { transform: translateY(-4px); border-color: rgba(0,224,255,.3); }
.news-card .thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #101018, #1a1a28);
  position: relative; overflow: hidden;
}
.news-card .thumb::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 30%, rgba(0,224,255,.3), transparent 60%);
}
.news-card .body { padding: 24px; }
.news-card .meta { font-size: 12px; color: var(--text-dim); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 10px; }
.news-card h3 { font-size: 20px; margin-bottom: 8px; }
.news-card p { color: var(--text-muted); font-size: 15px; }

/* ---------- Timeline / Numbered steps ---------- */
.steps { counter-reset: step; display: grid; gap: 22px; }
.step {
  display: grid; grid-template-columns: 80px 1fr; gap: 24px; align-items: start;
  padding: 24px; background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius);
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: 'Space Grotesk'; font-size: 40px; font-weight: 800;
  color: var(--accent); line-height: 1;
}

/* ---------- CTA block ---------- */
.cta-block {
  background:
    radial-gradient(600px 300px at 20% 50%, rgba(0,224,255,.25), transparent 70%),
    radial-gradient(600px 300px at 80% 50%, rgba(255,45,135,.2), transparent 70%),
    #0a0a14;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: clamp(40px, 6vw, 80px);
  text-align: center;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #030305;
  border-top: 1px solid var(--border);
  padding: 80px 0 30px;
  color: var(--text-muted);
  font-size: 14px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 60px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-col h4 {
  font-size: 12px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--text); margin-bottom: 18px;
}
.footer-col a { display: block; padding: 5px 0; color: var(--text-muted); }
.footer-col a:hover { color: var(--accent); }
.footer-brand .nav-logo { margin-bottom: 14px; }
.footer-brand p { max-width: 36ch; margin-bottom: 18px; }
.socials { display: flex; gap: 10px; }
.socials a {
  width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--border);
  padding: 0;
}
.socials a:hover { border-color: var(--accent); color: var(--accent); }
.socials svg { width: 16px; height: 16px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
  padding-top: 30px; border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text-dim);
}
.footer-bottom a:hover { color: var(--accent); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 700px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: grid; gap: 6px; }
.field label { font-size: 13px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--text-muted); }
.field input, .field select, .field textarea {
  background: var(--bg-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 14px 16px; font: inherit; font-size: 15px;
  transition: border-color .2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 0; border-color: var(--accent);
}
.field textarea { min-height: 140px; resize: vertical; }

/* ---------- FAQ ---------- */
.faq details {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 24px; margin-bottom: 14px; background: var(--bg-2);
  transition: border-color .2s var(--ease);
}
.faq details[open] { border-color: rgba(0,224,255,.35); }
.faq summary {
  cursor: pointer; list-style: none; font-family: 'Space Grotesk';
  font-weight: 600; font-size: 17px;
  display: flex; justify-content: space-between; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+'; font-size: 22px; color: var(--accent); transition: transform .25s var(--ease);
}
.faq details[open] summary::after { content: '−'; transform: rotate(180deg); }
.faq details p { margin-top: 14px; color: var(--text-muted); }

/* ---------- Tour / Players ---------- */
.player-card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px; text-align: center;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}
.player-card:hover { transform: translateY(-4px); border-color: rgba(0,224,255,.3); }
.player-card .avatar {
  width: 120px; height: 120px; border-radius: 50%; margin: 0 auto 16px;
  background: linear-gradient(135deg, #1e1e2a, #0b0b10);
  border: 2px solid var(--border); display: grid; place-items: center;
  font-family: 'Space Grotesk'; font-size: 32px; font-weight: 800; color: var(--accent);
}
.player-card h4 { font-size: 18px; margin-bottom: 4px; }
.player-card .role { font-size: 13px; color: var(--text-muted); }

/* ---------- Dealer cards ---------- */
.dealer-card {
  display: grid; grid-template-columns: 56px 1fr; gap: 18px;
  padding: 22px; background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius);
  transition: border-color .2s var(--ease);
}
.dealer-card:hover { border-color: rgba(0,224,255,.3); }
.dealer-card .flag {
  width: 56px; height: 40px; border-radius: 6px;
  background: linear-gradient(135deg, #1e1e2a, #0b0b10);
  display: grid; place-items: center; font-family: 'Space Grotesk'; font-weight: 700;
  color: var(--accent); font-size: 12px; letter-spacing: .1em;
}
.dealer-card h4 { font-size: 17px; margin-bottom: 4px; }
.dealer-card p, .dealer-card a { font-size: 14px; color: var(--text-muted); }
.dealer-card a:hover { color: var(--accent); }

/* ---------- Responsive Nav ---------- */
@media (max-width: 1040px) {
  .nav-menu { position: fixed; top: 76px; left: 0; right: 0; background: var(--bg-2); flex-direction: column; align-items: stretch; padding: 20px; gap: 0; border-bottom: 1px solid var(--border); transform: translateY(-120%); transition: transform .3s var(--ease); z-index: 70; max-height: calc(100vh - 76px); overflow-y: auto; }
  .nav-menu a { padding: 14px; border-radius: 8px; }
  .nav-menu.open { transform: translateY(0); }
  .has-sub .sub-menu { display: none; position: static; transform: none; opacity: 1; visibility: visible; pointer-events: auto; box-shadow: none; border: 0; padding: 0 0 0 14px; background: transparent; }
  .has-sub.open .sub-menu { display: block; }
  .has-sub > a::after { content: ' ▾'; font-size: 11px; }
  .has-sub.open > a::after { content: ' ▴'; }
  .nav-toggle { display: inline-flex; }
  .nav-cta .btn:not(.btn--primary) { display: none; }
}

/* ---------- Mobile (≤640px) ---------- */
@media (max-width: 640px) {
  /* Nav */
  .nav { height: 60px; }
  .nav-menu { top: 60px; }
  .nav-cta { display: none; }

  /* Hero */
  .hero { padding: 60px 0 40px; min-height: unset; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; text-align: center; justify-content: center; }
  .hero-meta { grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 36px; }
  .hero-meta .stat strong { font-size: 24px; }

  /* Page hero */
  .page-hero { padding: 100px 0 50px; }
  .page-hero h1 { max-width: 100%; }

  /* Sections */
  section { padding: clamp(40px, 8vw, 60px) 0; }

  /* Grids — single column */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

  /* Product cards */
  .product-card { min-height: unset; }
  .product-card h3 { font-size: 28px; }

  /* Spec table — scrollable */
  .spec-table { font-size: 13px; }
  .spec-table th, .spec-table td { padding: 10px 12px; }

  /* Buttons */
  .btn { padding: 12px 20px; font-size: 13px; }

  /* Stats row */
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .stats-row .stat { padding: 24px 16px; }
  .stats-row .stat strong { font-size: clamp(28px, 8vw, 40px); }

  /* CTA block */
  .cta-block { padding: 36px 20px; }
  .cta-block > div { flex-direction: column; }
  .cta-block .btn { width: 100%; justify-content: center; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
  .footer-col.footer-brand { grid-column: 1 / -1; }
  .footer-col h4 { margin-bottom: 12px; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }

  /* Step layout */
  .step { grid-template-columns: 1fr; }
  .step::before { font-size: 28px; }

  /* Logo */
  .nav-logo img { width: 100px !important; }
}

/* ---------- Blog article mobile ---------- */
@media (max-width: 680px) {
  /* Tables — horizontal scroll instead of overflow */
  .sf-table, .compare-table, .weight-table, .cpm-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    font-size: 13px;
  }
  .sf-table th, .compare-table th, .weight-table th, .cpm-table th,
  .sf-table td, .compare-table td, .weight-table td, .cpm-table td {
    padding: 10px 10px;
    white-space: nowrap;
  }
  /* Allow first-column text to wrap on small tables */
  .compare-table td:first-child { white-space: normal; min-width: 100px; }

  /* Article body text */
  .article-wrap p, .article-wrap li { font-size: 15px; }
  .article-wrap h2 { margin-top: 36px; }

  /* Stat band — 2 columns on phone */
  .stat-band { grid-template-columns: 1fr 1fr; }

  /* Speed bar label narrower */
  .speed-bar-label { width: 72px; font-size: 12px; }
  .speed-bar-range { width: 70px; font-size: 11px; }

  /* CTA block padding */
  .cta-inline { padding: 24px 18px; }
  .cta-inline h3 { font-size: 18px; }

  /* Article nav — stack on very small screens */
  .article-nav { flex-direction: column; gap: 12px; }

  /* Stat boxes */
  .stat-box .number { font-size: 32px; }

  /* Model cards already handled by per-article media query */
}

/* ---------- Fade-in on scroll ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Misc ---------- */
hr.rule { border: 0; height: 1px; background: var(--border); margin: 40px 0; }
.badge-pill {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  background: rgba(0,224,255,.1); color: var(--accent);
  border: 1px solid rgba(0,224,255,.25);
  font-size: 11px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
}
.badge-pill.magenta { background: rgba(255,45,135,.1); color: var(--accent-2); border-color: rgba(255,45,135,.25); }
.badge-pill.gold { background: rgba(229,185,74,.1); color: var(--gold); border-color: rgba(229,185,74,.3); }