/* ============================================================
   VOXFIL — Design System
   Brand: black + deep navy (#0C1427 / #113255) from logo,
   accent electric blue, tech-industrial dark theme.
   ============================================================ */

:root {
  --bg: #060A13;
  --bg-2: #0A1220;
  --surface: #0D1730;
  --surface-2: #12203E;
  --surface-3: #17294F;
  --border: rgba(140, 178, 255, 0.14);
  --border-strong: rgba(140, 178, 255, 0.28);
  --text: #E9EFFC;
  --text-2: #A9B7D5;
  --muted: #7183A8;
  --accent: #3D8BFF;
  --accent-2: #22D3EE;
  --accent-soft: rgba(61, 139, 255, 0.14);
  --grad: linear-gradient(135deg, #3D8BFF 0%, #22D3EE 100%);
  --green: #34D399;
  --amber: #FBBF24;
  --red: #F87171;
  --violet: #A78BFA;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 18px 50px -18px rgba(0, 0, 0, 0.65);
  --font: "Inter", "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --nav-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: rgba(61, 139, 255, 0.35); color: #fff; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

.container { width: min(1180px, 92%); margin-inline: auto; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { line-height: 1.18; letter-spacing: -0.02em; font-weight: 800; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent-2); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--grad); border-radius: 2px; }

.sec-title { font-size: clamp(26px, 4vw, 40px); margin-bottom: 14px; }
.sec-sub { color: var(--text-2); max-width: 640px; font-size: 16px; }

.section { padding: clamp(64px, 9vw, 110px) 0; position: relative; }
.section-head { margin-bottom: 46px; }
.section-head.center { text-align: center; }
.section-head.center .sec-sub { margin-inline: auto; }
.section-head.center .eyebrow::before { display: none; }
.section-head.center .eyebrow { justify-content: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: 1px solid transparent; transition: transform 0.25s var(--ease), box-shadow 0.25s, background 0.25s, border-color 0.25s;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--grad); color: #04121F; box-shadow: 0 10px 30px -10px rgba(61, 139, 255, 0.7); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(61, 139, 255, 0.85); }
.btn-ghost { background: rgba(255, 255, 255, 0.04); border-color: var(--border-strong); color: var(--text); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(61, 139, 255, 0.12); border-color: var(--accent); transform: translateY(-2px); }
.btn-line { background: transparent; border-color: var(--border-strong); color: var(--text-2); }
.btn-line:hover { color: var(--text); border-color: var(--accent); }
.btn-sm { padding: 9px 18px; font-size: 13px; }
.btn .ico { width: 16px; height: 16px; flex: none; }

/* ---------- Navbar ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--nav-h);
  transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled { background: rgba(6, 10, 19, 0.82); backdrop-filter: blur(14px); border-color: var(--border); box-shadow: 0 10px 40px -20px rgba(0,0,0,.8); }
.nav-inner { height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; letter-spacing: -0.02em; }
.nav-logo img { height: 40px; width: auto; background: #fff; border-radius: 7px; padding: 3px 7px; }
.nav-logo span b { color: var(--accent-2); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 9px 14px; border-radius: 999px; font-size: 14.5px; font-weight: 600;
  color: var(--text-2); transition: color 0.2s, background 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: rgba(255, 255, 255, 0.06); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-burger { display: none; background: none; border: 0; width: 42px; height: 42px; border-radius: 10px; color: var(--text); }
.nav-burger svg { width: 24px; height: 24px; }

.mobile-menu {
  position: fixed; inset: 0; z-index: 99; background: rgba(5, 8, 16, 0.97);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu a { font-size: 26px; font-weight: 800; padding: 10px; color: var(--text-2); }
.mobile-menu a:hover { color: var(--accent-2); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: calc(var(--nav-h) + 60px) 0 80px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-bg .grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(120, 160, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 160, 255, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
}
.hero-bg .blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; }
.hero-bg .blob.b1 { width: 560px; height: 560px; background: rgba(61, 139, 255, 0.28); top: -180px; right: -120px; }
.hero-bg .blob.b2 { width: 420px; height: 420px; background: rgba(34, 211, 238, 0.16); top: 120px; left: -160px; }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: rgba(255,255,255,.03); font-size: 13px; font-weight: 600; color: var(--text-2); margin-bottom: 24px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }
.hero h1 { font-size: clamp(38px, 5.6vw, 64px); font-weight: 900; margin-bottom: 22px; letter-spacing: -0.03em; }
.hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 18px; color: var(--text-2); max-width: 540px; margin-bottom: 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }
.hero-stats .stat b { font-size: 28px; font-weight: 900; display: block; letter-spacing: -0.02em; }
.hero-stats .stat b em { font-style: normal; color: var(--accent-2); }
.hero-stats .stat span { font-size: 13px; color: var(--muted); }

.hero-visual { position: relative; }
.hero-visual .spool-stage {
  position: relative; border-radius: 24px; padding: 40px 30px;
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.015));
  border: 1px solid var(--border); overflow: visible;
  box-shadow: var(--shadow);
}
.hero-visual .spool-stage::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(61,139,255,.15), transparent 60%);
}
.spool-3d { position: relative; width: min(340px, 88%); margin: 0 auto; }
.spool-3d svg { width: 100%; height: auto; }
.spool-3d .glow { position: absolute; inset: 12% 20%; border-radius: 50%; background: radial-gradient(circle, rgba(61,139,255,.4), transparent 70%); filter: blur(26px); }
.floating-chip {
  position: absolute; padding: 10px 16px; border-radius: 12px; font-size: 13px; font-weight: 700;
  background: rgba(13, 23, 48, 0.9); border: 1px solid var(--border-strong); backdrop-filter: blur(10px);
  box-shadow: 0 14px 34px -14px rgba(0,0,0,.7); animation: float 5s ease-in-out infinite;
}
.floating-chip.c1 { top: 8%; left: -6%; animation-delay: 0s; }
.floating-chip.c2 { bottom: 12%; right: -8%; animation-delay: 1.4s; }
.floating-chip.c3 { bottom: -4%; left: 10%; animation-delay: 2.6s; }
.floating-chip .k { font-size: 11px; color: var(--muted); font-weight: 600; display: block; }
.floating-chip .v { color: var(--accent-2); }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ---------- Trust bar / marquee ---------- */
.trustbar { border-block: 1px solid var(--border); background: var(--bg-2); padding: 18px 0; }
.trustbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.trustbar .item { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--text-2); font-weight: 600; }
.trustbar .item svg { width: 18px; height: 18px; color: var(--accent-2); flex: none; }

/* ---------- Cards ---------- */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.015));
  border: 1px solid var(--border); border-radius: var(--radius);
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
}
.card:hover { transform: translateY(-6px); border-color: var(--border-strong); box-shadow: var(--shadow); }

/* Material cards */
.material-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 22px; }
.material-card { position: relative; overflow: hidden; padding: 26px 24px 24px; display: flex; flex-direction: column; }
.material-card .mc-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 6px; }
.material-card h3 { font-size: 22px; letter-spacing: -0.01em; }
.material-card .mc-family { font-size: 12px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 4px; }
.material-card .mc-desc { color: var(--text-2); font-size: 14px; margin: 10px 0 16px; flex: 1; }
.material-card .mc-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.tag { font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border-strong); color: var(--text-2); background: rgba(255,255,255,.03); }
.tag.hot { color: #06121F; background: var(--grad); border-color: transparent; }
.spool-wrap { height: 110px; display: flex; align-items: center; justify-content: center; margin: 4px 0 6px; }
.spool-wrap svg { height: 108px; width: auto; filter: drop-shadow(0 14px 22px rgba(0,0,0,.5)); }
.material-card .mc-foot { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--border); }
.material-card .mc-foot .price { font-weight: 800; font-size: 15px; }
.material-card .mc-foot .price small { color: var(--muted); font-weight: 600; font-size: 12px; }
.mc-link { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; font-weight: 700; color: var(--accent-2); }
.mc-link svg { width: 14px; height: 14px; transition: transform 0.25s; }
.material-card:hover .mc-link svg { transform: translateX(4px); }

/* ---------- Feature / value props ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature { padding: 26px 24px; }
.feature .fi {
  width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); border: 1px solid var(--border-strong); color: var(--accent-2); margin-bottom: 18px;
}
.feature .fi svg { width: 24px; height: 24px; }
.feature h4 { font-size: 17px; margin-bottom: 8px; }
.feature p { font-size: 14px; color: var(--text-2); }

/* ---------- Comparison table ---------- */
.table-scroll { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.spec-table { width: 100%; border-collapse: collapse; min-width: 720px; font-size: 14px; }
.spec-table th, .spec-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--border); }
.spec-table thead th {
  background: var(--surface-2); font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-2); font-weight: 700;
}
.spec-table thead th .mat-dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 8px; }
.spec-table tbody th { font-weight: 700; color: var(--text-2); font-size: 13px; white-space: nowrap; }
.spec-table tbody tr:hover { background: rgba(61, 139, 255, 0.05); }
.spec-table tbody tr:last-child td, .spec-table tbody tr:last-child th { border-bottom: 0; }

/* ---------- Steps / process ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { padding: 28px 24px; position: relative; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  font-family: var(--mono); font-weight: 800; font-size: 34px; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block; margin-bottom: 16px; opacity: 0.85;
}
.step h4 { font-size: 17px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-2); }

/* ---------- Stats band ---------- */
.stats-band {
  background: linear-gradient(120deg, rgba(61,139,255,.12), rgba(34,211,238,.06)), var(--surface);
  border-block: 1px solid var(--border);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 48px 0; }
.stat-box { text-align: center; }
.stat-box b { font-size: clamp(30px, 4vw, 44px); font-weight: 900; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; line-height: 1.1; }
.stat-box span { color: var(--muted); font-size: 13.5px; }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; border-radius: 24px; padding: clamp(44px, 6vw, 72px); text-align: center; border: 1px solid var(--border-strong); background: linear-gradient(135deg, rgba(61,139,255,.16), rgba(34,211,238,.08)), var(--surface); }
.cta-band .cta-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(120,160,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(120,160,255,.06) 1px, transparent 1px); background-size: 40px 40px; mask-image: radial-gradient(ellipse 70% 90% at 50% 50%, black, transparent 75%); }
.cta-band > * { position: relative; }
.cta-band h2 { font-size: clamp(26px, 4vw, 40px); margin-bottom: 14px; }
.cta-band p { color: var(--text-2); max-width: 560px; margin: 0 auto 30px; }
.cta-split { text-align: left; display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.cta-split p { margin: 0; max-width: none; }
@media (max-width: 900px) { .cta-split { grid-template-columns: 1fr; } }

/* ---------- Accordion (FAQ) ---------- */
.accordion { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.acc-item { border-bottom: 1px solid var(--border); }
.acc-item:last-child { border-bottom: 0; }
.acc-head { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 24px; background: none; border: 0; color: var(--text); font-weight: 700; font-size: 15.5px; text-align: left; }
.acc-head .acc-ico { width: 26px; height: 26px; flex: none; border-radius: 8px; background: var(--accent-soft); display: flex; align-items: center; justify-content: center; color: var(--accent-2); transition: transform 0.3s; }
.acc-item.open .acc-ico { transform: rotate(45deg); }
.acc-body { max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease); }
.acc-body-inner { padding: 0 24px 22px; color: var(--text-2); font-size: 14.5px; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 4px; bottom: 4px; width: 2px; background: linear-gradient(var(--accent), var(--accent-2)); opacity: 0.5; }
.tl-item { position: relative; padding: 0 0 34px 8px; }
.tl-item::before { content: ""; position: absolute; left: -26px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 3px solid var(--accent); }
.tl-item .year { font-family: var(--mono); font-weight: 800; color: var(--accent-2); font-size: 14px; }
.tl-item h4 { margin: 4px 0 6px; }
.tl-item p { color: var(--text-2); font-size: 14px; max-width: 620px; }

/* ---------- Forms ---------- */
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; font-weight: 700; color: var(--text-2); margin-bottom: 8px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px; border-radius: var(--radius-sm); font-size: 14.5px;
  background: rgba(255,255,255,.04); border: 1px solid var(--border-strong); color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s; outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(61,139,255,.15); }
.field select option { background: var(--surface-2); }
.field textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 10px; }
.form-ok {
  display: none; margin-top: 16px; padding: 14px 18px; border-radius: var(--radius-sm);
  background: rgba(52, 211, 153, 0.12); border: 1px solid rgba(52, 211, 153, 0.4); color: var(--green); font-size: 14px; font-weight: 600;
}
.form-ok.show { display: block; }

/* ---------- Chat widget ---------- */
.chat-fab {
  position: fixed; right: 22px; bottom: 22px; z-index: 90; width: 60px; height: 60px; border-radius: 50%;
  background: var(--grad); border: 0; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 14px 40px -8px rgba(61, 139, 255, 0.8); transition: transform 0.25s var(--ease);
}
.chat-fab:hover { transform: scale(1.08); }
.chat-fab svg { width: 26px; height: 26px; color: #04121F; }
.chat-fab .ping { position: absolute; inset: 0; border-radius: 50%; border: 2px solid rgba(61,139,255,.5); animation: ping 2.2s infinite; }
@keyframes ping { 0% { transform: scale(1); opacity: 1; } 100% { transform: scale(1.7); opacity: 0; } }

.chat-panel {
  position: fixed; right: 22px; bottom: 94px; z-index: 90; width: min(380px, calc(100vw - 44px));
  border-radius: 20px; overflow: hidden; border: 1px solid var(--border-strong);
  background: var(--surface); box-shadow: var(--shadow);
  transform: translateY(16px) scale(0.97); opacity: 0; pointer-events: none; transition: 0.3s var(--ease);
}
.chat-panel.open { transform: none; opacity: 1; pointer-events: auto; }
.chat-head { display: flex; align-items: center; gap: 12px; padding: 16px 18px; background: linear-gradient(120deg, rgba(61,139,255,.22), rgba(34,211,238,.1)); border-bottom: 1px solid var(--border); }
.chat-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--grad); display: flex; align-items: center; justify-content: center; font-weight: 900; color: #04121F; font-size: 16px; }
.chat-head b { display: block; font-size: 14.5px; }
.chat-head span { font-size: 12px; color: var(--muted); }
.chat-close { margin-left: auto; background: none; border: 0; color: var(--text-2); width: 32px; height: 32px; border-radius: 8px; }
.chat-close:hover { background: rgba(255,255,255,.08); color: var(--text); }
.chat-body { padding: 18px; height: 340px; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 82%; padding: 11px 14px; border-radius: 14px; font-size: 14px; line-height: 1.5; }
.msg.bot { align-self: flex-start; background: var(--surface-2); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.msg.user { align-self: flex-end; background: var(--grad); color: #04121F; font-weight: 600; border-bottom-right-radius: 4px; }
.chat-quick { display: flex; flex-wrap: wrap; gap: 8px; align-self: flex-start; }
.chip-btn { padding: 8px 13px; border-radius: 999px; font-size: 12.5px; font-weight: 700; background: rgba(255,255,255,.05); border: 1px solid var(--border-strong); color: var(--text-2); transition: 0.2s; }
.chip-btn:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--text); }
.chat-input { display: flex; gap: 10px; padding: 14px; border-top: 1px solid var(--border); background: var(--surface); }
.chat-input input { flex: 1; padding: 11px 14px; border-radius: 12px; background: rgba(255,255,255,.05); border: 1px solid var(--border-strong); color: var(--text); outline: none; font-size: 14px; }
.chat-input input:focus { border-color: var(--accent); }
.chat-input button { width: 42px; height: 42px; flex: none; border-radius: 12px; border: 0; background: var(--grad); color: #04121F; display: flex; align-items: center; justify-content: center; }
.chat-input button svg { width: 18px; height: 18px; }

/* ---------- Product detail page ---------- */
.pd-hero { padding: calc(var(--nav-h) + 50px) 0 50px; }
.pd-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 50px; align-items: center; }
.pd-visual { border-radius: 24px; border: 1px solid var(--border); background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.01)); padding: 40px; position: relative; overflow: hidden; }
.pd-visual .spool-3d { width: min(320px, 80%); }
.pd-kicker { font-size: 12px; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 12px; display: block; }
.pd-hero h1 { font-size: clamp(34px, 5vw, 52px); margin-bottom: 14px; }
.pd-hero .pd-desc { color: var(--text-2); font-size: 16.5px; max-width: 560px; margin-bottom: 24px; }
.pd-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 26px 0; }
.pd-spec { background: rgba(255,255,255,.03); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.pd-spec .k { font-size: 12px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.pd-spec .v { font-size: 15.5px; font-weight: 800; margin-top: 2px; }
.radar-legend { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.radar-legend span { font-size: 12px; color: var(--text-2); display: inline-flex; align-items: center; gap: 6px; }
.radar-legend i { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }

/* Color swatches */
.swatches { display: flex; gap: 10px; flex-wrap: wrap; }
.swatch { width: 40px; height: 40px; border-radius: 50%; border: 2px solid rgba(255,255,255,.16); position: relative; cursor: pointer; transition: transform 0.2s, border-color 0.2s; }
.swatch:hover { transform: scale(1.12); border-color: var(--accent-2); }
.swatch[data-name]::after { content: attr(data-name); position: absolute; bottom: -22px; left: 50%; transform: translateX(-50%); font-size: 10px; color: var(--muted); white-space: nowrap; opacity: 0; transition: opacity 0.2s; }
.swatch:hover::after { opacity: 1; }

/* ---------- Filters ---------- */
.search-bar {
  display: flex; align-items: center; gap: 10px; margin-bottom: 18px;
  padding: 4px 6px 4px 16px; border-radius: 999px; border: 1px solid var(--border-strong);
  background: rgba(255,255,255,.04); max-width: 460px;
}
.search-bar svg { width: 18px; height: 18px; color: var(--muted); flex: none; }
.search-bar input {
  flex: 1; background: none; border: 0; outline: none; color: var(--text);
  font-size: 14.5px; padding: 10px 6px;
}
.search-bar input::placeholder { color: var(--muted); }
.search-bar:focus-within { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(61,139,255,.12); }
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 30px; }
.filter-btn { padding: 10px 20px; border-radius: 999px; font-size: 13.5px; font-weight: 700; background: rgba(255,255,255,.04); border: 1px solid var(--border); color: var(--text-2); transition: 0.25s; }
.filter-btn:hover { color: var(--text); border-color: var(--border-strong); }
.filter-btn.active { background: var(--grad); color: #04121F; border-color: transparent; }
.filter-btn[data-count]::after { content: " " attr(data-count); opacity: 0.6; font-weight: 600; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); background: var(--bg-2); padding: 70px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr; gap: 36px; margin-bottom: 50px; }
.footer h5 { font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 18px; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 11px; }
.footer ul a { color: var(--text-2); font-size: 14px; transition: color 0.2s; }
.footer ul a:hover { color: var(--accent-2); }
.footer .f-brand p { color: var(--text-2); font-size: 14px; margin: 16px 0 22px; max-width: 300px; }
.footer-news { display: flex; gap: 8px; }
.footer-news input { flex: 1; padding: 12px 14px; border-radius: 12px; background: rgba(255,255,255,.05); border: 1px solid var(--border-strong); color: var(--text); outline: none; font-size: 14px; min-width: 0; }
.footer-news input:focus { border-color: var(--accent); }
.footer-news button { padding: 12px 18px; border-radius: 12px; border: 0; background: var(--grad); color: #04121F; font-weight: 800; font-size: 13.5px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; padding-top: 26px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }
.footer-soc { display: flex; gap: 10px; }
.footer-soc a { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border-strong); display: flex; align-items: center; justify-content: center; color: var(--text-2); transition: 0.2s; }
.footer-soc a:hover { color: var(--accent-2); border-color: var(--accent); }
.footer-soc svg { width: 17px; height: 17px; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding: calc(var(--nav-h) + 70px) 0 46px; position: relative; overflow: hidden; }
.page-hero .hero-bg { opacity: 0.6; }
.page-hero h1 { font-size: clamp(32px, 5vw, 52px); margin-bottom: 14px; letter-spacing: -0.03em; }
.page-hero p { color: var(--text-2); font-size: 17px; max-width: 640px; }
.breadcrumb { display: flex; gap: 8px; font-size: 12.5px; color: var(--muted); margin-bottom: 16px; font-weight: 600; }
.breadcrumb a:hover { color: var(--accent-2); }
.breadcrumb .sep { opacity: 0.5; }

/* ---------- Misc ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.split.reverse > :first-child { order: 2; }
.split-img { border-radius: 20px; border: 1px solid var(--border); overflow: hidden; background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.01)); padding: 34px; position: relative; }
.mini-list { list-style: none; margin-top: 18px; }
.mini-list li { display: flex; gap: 12px; align-items: flex-start; padding: 9px 0; color: var(--text-2); font-size: 14.5px; border-bottom: 1px dashed var(--border); }
.mini-list li:last-child { border-bottom: 0; }
.mini-list svg { width: 18px; height: 18px; color: var(--green); flex: none; margin-top: 3px; }
.checklist { list-style: none; }
.checklist li { position: relative; padding-left: 30px; margin-bottom: 12px; color: var(--text-2); font-size: 14.5px; }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 6px; background: rgba(52,211,153,.15); color: var(--green); font-size: 12px; font-weight: 900; display: flex; align-items: center; justify-content: center; }

.logo-band { display: flex; align-items: center; justify-content: center; gap: 40px; flex-wrap: wrap; opacity: 0.55; }
.logo-band img { height: 30px; filter: grayscale(1) brightness(1.6); }
.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; }
.cert { text-align: center; padding: 22px 12px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.cert b { font-size: 26px; font-weight: 900; letter-spacing: -0.02em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cert span { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .hero-inner, .pd-grid, .split { grid-template-columns: 1fr; }
  .hero-visual { max-width: 520px; }
  .feature-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links, .nav-cta .btn { display: none; }
  .nav-burger { display: flex; align-items: center; justify-content: center; }
}
@media (max-width: 620px) {
  .feature-grid, .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 22px; }
  .floating-chip.c1 { left: 0; }
  .floating-chip.c2 { right: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .chat-panel { width: calc(100vw - 28px); right: 14px; }
  .chat-fab { right: 14px; }
}

/* ============================================================
   VOXFIL v2 — Conversion & SEO components
   ============================================================ */

/* ---------- Related material cards ---------- */
.rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.rel-card { display: flex; flex-direction: column; padding: 22px 24px; gap: 4px; }
.rel-card .spool-wrap { height: 96px; margin: 0 0 8px; }
.rel-card h4 { font-size: 19px; }
.rel-card p { color: var(--text-2); font-size: 13.5px; margin: 6px 0 14px; flex: 1; }
@media (max-width: 860px) { .rel-grid { grid-template-columns: 1fr; } }

/* ---------- Testimonials ---------- */
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.testi { padding: 26px 24px; display: flex; flex-direction: column; }
.testi .stars { color: var(--amber); letter-spacing: 3px; font-size: 15px; margin-bottom: 14px; }
.testi .tq { color: var(--text-2); font-size: 14.5px; flex: 1; }
.testi .ta { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--border); }
.testi .ta b { display: block; font-size: 14px; }
.testi .ta span { font-size: 12.5px; color: var(--muted); }
@media (max-width: 900px) { .testi-grid { grid-template-columns: 1fr; } }

/* ---------- Guarantee strip ---------- */
.guarantee {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  border: 1px solid rgba(52, 211, 153, 0.35); border-radius: 16px;
  background: rgba(52, 211, 153, 0.07); padding: 16px 22px; margin: 26px 0;
}
.guarantee .gi { width: 40px; height: 40px; flex: none; border-radius: 12px; background: rgba(52,211,153,.15); color: var(--green); display: flex; align-items: center; justify-content: center; }
.guarantee .gi svg { width: 22px; height: 22px; }
.guarantee b { display: block; font-size: 14.5px; }
.guarantee span { font-size: 13px; color: var(--text-2); }

/* ---------- Do's & Don'ts ---------- */
.dodont-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.dodont-grid .checklist li::before { background: rgba(248,113,113,.15); color: var(--red); }
.dodont-grid .card:first-child .checklist li::before { background: rgba(52,211,153,.15); color: var(--green); }
@media (max-width: 760px) { .dodont-grid { grid-template-columns: 1fr; } }

/* ---------- Insights / blog ---------- */
.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.post-card { display: flex; flex-direction: column; padding: 28px 26px; gap: 10px; }
.post-card h3 { font-size: 20px; line-height: 1.3; }
.post-card p { color: var(--text-2); font-size: 14px; flex: 1; }
@media (max-width: 860px) { .post-grid { grid-template-columns: 1fr; } }

.article-wrap { padding-top: var(--nav-h); }
.article { max-width: 780px; padding: 46px 0 80px; }
.article-cat { display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 12px; }
.article h1 { font-size: clamp(30px, 4.6vw, 44px); margin-bottom: 12px; letter-spacing: -0.03em; }
.article-meta { color: var(--muted); font-size: 13px; margin-bottom: 30px; padding-bottom: 22px; border-bottom: 1px solid var(--border); }
.article-body { font-size: 16px; color: var(--text-2); }
.article-body h2 { color: var(--text); font-size: 24px; margin: 34px 0 14px; letter-spacing: -0.02em; }
.article-body p { margin-bottom: 16px; line-height: 1.8; }
.article-body ul, .article-body ol { margin: 0 0 18px 22px; }
.article-body li { margin-bottom: 8px; }
.article-body a { color: var(--accent-2); font-weight: 600; }
.article-body .table-scroll { margin: 20px 0 24px; }
.article-body b { color: var(--text); }
.related-posts { margin-top: 48px; padding-top: 34px; border-top: 1px solid var(--border); }
.related-posts h2 { font-size: 22px; margin-bottom: 18px; letter-spacing: -0.02em; }
.related-posts .post-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px) { .related-posts .post-grid { grid-template-columns: 1fr; } }

/* ---------- Interactive comparison tool ---------- */
.cmp-wrap { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.cmp-pick { display: flex; gap: 10px; flex-wrap: wrap; padding: 20px 22px; border-bottom: 1px solid var(--border); }
.cmp-chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: rgba(255,255,255,.04); color: var(--text-2);
  font-size: 13.5px; font-weight: 700; cursor: pointer; user-select: none; transition: 0.2s;
}
.cmp-chip:hover { border-color: var(--accent); color: var(--text); }
.cmp-chip.on { background: var(--accent-soft); border-color: var(--accent); color: var(--text); }
.cmp-chip .dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.cmp-hint { padding: 12px 22px; font-size: 12.5px; color: var(--muted); border-bottom: 1px solid var(--border); }
.cmp-table-scroll { overflow-x: auto; }
#cmpTable { width: 100%; border-collapse: collapse; min-width: 640px; }
#cmpTable th, #cmpTable td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13.5px; }
#cmpTable thead th { font-size: 13px; letter-spacing: .04em; color: var(--text); font-weight: 800; background: var(--surface-2); }
#cmpTable tbody th { color: var(--muted); font-weight: 600; font-size: 12.5px; white-space: nowrap; }
#cmpTable .mat-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; margin-right: 7px; }

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
  display: none; gap: 10px; padding: 12px 14px calc(12px + env(safe-area-inset-bottom));
  background: rgba(6, 10, 19, 0.94); backdrop-filter: blur(12px); border-top: 1px solid var(--border-strong);
}
.sticky-cta.show { display: flex; }
.sticky-cta a { flex: 1; padding: 13px 10px; border-radius: 12px; font-size: 13.5px; font-weight: 800; text-align: center; }
.sticky-cta .wa { background: rgba(52, 211, 153, 0.14); color: var(--green); border: 1px solid rgba(52, 211, 153, 0.4); }
.sticky-cta .quote { background: var(--grad); color: #04121F; }
@media (min-width: 861px) { .sticky-cta { display: none !important; } }

/* ---------- Lead popup ---------- */
.popup {
  position: fixed; inset: 0; z-index: 120; display: flex; align-items: center; justify-content: center;
  padding: 20px; opacity: 0; pointer-events: none; transition: opacity 0.35s;
}
.popup.show { opacity: 1; pointer-events: auto; }
.popup-bg { position: absolute; inset: 0; background: rgba(3, 6, 12, 0.72); backdrop-filter: blur(6px); }
.popup-card {
  position: relative; width: min(430px, 100%); border-radius: 22px; overflow: hidden;
  border: 1px solid var(--border-strong); background: linear-gradient(180deg, var(--surface-2), var(--surface));
  box-shadow: 0 40px 90px -30px rgba(0, 0, 0, 0.9); transform: translateY(18px); transition: transform 0.35s var(--ease);
}
.popup.show .popup-card { transform: none; }
.popup-card .pc-head { padding: 26px 26px 10px; }
.popup-card .pc-head .tag { margin-bottom: 12px; }
.popup-card h3 { font-size: 24px; margin-bottom: 8px; letter-spacing: -0.02em; }
.popup-card .pc-head p { color: var(--text-2); font-size: 14px; }
.popup-card form { padding: 14px 26px 26px; }
.popup-card .pc-foot { padding: 12px 26px 20px; text-align: center; color: var(--muted); font-size: 12px; }
.popup-close { position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border-radius: 10px; border: 0; background: rgba(255,255,255,.06); color: var(--text-2); }
.popup-close:hover { color: var(--text); }
.popup-close svg { width: 16px; height: 16px; }

/* ---------- Trust badges (form area) ---------- */
.trust-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.trust-badges span {
  font-size: 12px; font-weight: 700; color: var(--text-2); padding: 7px 12px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(255,255,255,.03); display: inline-flex; align-items: center; gap: 6px;
}
.trust-badges svg { width: 14px; height: 14px; color: var(--green); }

/* ---------- Language switch ---------- */
.lang-switch { display: flex; align-items: center; gap: 6px; }
.lang-switch svg { width: 16px; height: 16px; color: var(--text-2); flex: none; }
.lang-switch select {
  background: rgba(255, 255, 255, 0.06); border: 1px solid var(--border-strong); color: var(--text);
  border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 700; outline: none; cursor: pointer;
  appearance: none; -webkit-appearance: none; padding-right: 26px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%23A9B7D5' stroke-width='1.6' fill='none' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat; background-position: right 10px center;
}
.lang-switch select:hover { border-color: var(--accent); }
.lang-switch select option { background: var(--surface-2); color: var(--text); }
.lang-note {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px;
  background: rgba(61, 139, 255, 0.1); border: 1px solid var(--border-strong);
  font-size: 12.5px; color: var(--text-2);
}

/* ---------- Lead note (chat) ---------- */
.chat-note { padding: 10px 14px; font-size: 11.5px; color: var(--muted); border-top: 1px dashed var(--border); background: rgba(255,255,255,.02); }

/* ---------- Toast ---------- */
.toast {
  position: fixed; top: 84px; right: 18px; z-index: 130; max-width: min(360px, calc(100vw - 36px));
  padding: 14px 18px; border-radius: 14px; font-size: 14px; font-weight: 600; line-height: 1.5;
  background: var(--surface-2); border: 1px solid rgba(52, 211, 153, 0.45); color: var(--text);
  box-shadow: 0 18px 50px -18px rgba(0, 0, 0, 0.8);
  opacity: 0; transform: translateY(-8px); pointer-events: none; transition: 0.3s var(--ease);
}
.toast.show { opacity: 1; transform: none; }

.lang-note{margin:0 0 22px;padding:10px 14px;border:1px solid rgba(61,139,255,.35);background:rgba(61,139,255,.08);border-radius:10px;color:var(--text-2);font-size:13.5px;line-height:1.5}

/* ---------- i18n layout hardening (long translated texts) ---------- */
body { overflow-wrap: break-word; }
h1, h2, h3, h4, h5, p, li, td, th, span, a, label, button, .btn, .tag, .eyebrow, .sec-sub,
.mc-desc, .pd-desc, .acc-head, .cmp-hint, .form-note, .mini-list li, .checklist li,
.trust-badges span, .step p, .feature p, .post-card p, .guarantee span, .lang-note, .calc-result {
  overflow-wrap: break-word;
}
.btn { white-space: normal; line-height: 1.3; text-align: center; }
.btn .ico { flex-shrink: 0; }
.btn-line, .btn-ghost { white-space: normal; }
.spec-table tbody th, #cmpTable tbody th { white-space: normal; max-width: 210px; }
.calc-result { margin-top: 14px; font-size: 14px; }
.post-card h3 { overflow-wrap: break-word; }
.lang-switch select { max-width: 120px; }
@media (max-width: 620px) {
  .btn { padding: 12px 18px; font-size: 14px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .trustbar-inner { flex-wrap: wrap; }
  .lang-note { font-size: 12.5px; }
}

/* reveal delay ladder for index cards */
.d0 { transition-delay: 0s; }
.d4 { transition-delay: 0.32s; }
.d5 { transition-delay: 0.4s; }
.d6 { transition-delay: 0.48s; }
.d7 { transition-delay: 0.56s; }
.d8 { transition-delay: 0.64s; }
.d9 { transition-delay: 0.72s; }
.d10 { transition-delay: 0.8s; }
.d11 { transition-delay: 0.88s; }
.d12 { transition-delay: 0.96s; }
.d13 { transition-delay: 1.04s; }
.d14 { transition-delay: 1.12s; }
.d15 { transition-delay: 1.2s; }

.d16 { transition-delay: 1.2s; }
.d17 { transition-delay: 1.28s; }
.d18 { transition-delay: 1.36s; }
.d19 { transition-delay: 1.44s; }
.d20 { transition-delay: 1.52s; }
.d21 { transition-delay: 1.6s; }
.d22 { transition-delay: 1.68s; }
.d23 { transition-delay: 1.76s; }
.d24 { transition-delay: 1.84s; }
.d25 { transition-delay: 1.92s; }
.d26 { transition-delay: 2s; }
.d27 { transition-delay: 2.08s; }
.d28 { transition-delay: 2.16s; }
.d29 { transition-delay: 2.24s; }
.d30 { transition-delay: 2.32s; }


.d31 { transition-delay: 2.4s; }
.d32 { transition-delay: 2.48s; }
.d33 { transition-delay: 2.56s; }
.d34 { transition-delay: 2.64s; }
.d35 { transition-delay: 2.72s; }
.d36 { transition-delay: 2.8s; }
.d37 { transition-delay: 2.88s; }
.d38 { transition-delay: 2.96s; }
.d39 { transition-delay: 3.04s; }
.d40 { transition-delay: 3.12s; }
.d41 { transition-delay: 3.2s; }
.d42 { transition-delay: 3.28s; }
.d43 { transition-delay: 3.36s; }
.d44 { transition-delay: 3.44s; }
.d45 { transition-delay: 3.52s; }
.d46 { transition-delay: 3.6s; }
.d47 { transition-delay: 3.68s; }
.d48 { transition-delay: 3.76s; }
.d49 { transition-delay: 3.84s; }
.d50 { transition-delay: 3.92s; }
.d51 { transition-delay: 4s; }
.d52 { transition-delay: 4.08s; }
.d53 { transition-delay: 4.16s; }
.d54 { transition-delay: 4.24s; }
.d55 { transition-delay: 4.32s; }
.d56 { transition-delay: 4.4s; }
.d57 { transition-delay: 4.48s; }
.d58 { transition-delay: 4.56s; }
.d59 { transition-delay: 4.64s; }
.d60 { transition-delay: 4.72s; }


/* ---------- Product photos (added images) ---------- */




@media (max-width: 620px) {
  
  .spool-stage { padding: 20px 14px; }
}

/* Hero full-bleed background image */

/* dark shade on the left so hero text stays readable over the photo */


/* ---------- Product photos (added images) ---------- */
.hero-bg-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center; opacity: 0.9;
  filter: brightness(0.95) saturate(1.08);
  mask-image: linear-gradient(to right, rgba(0,0,0,.55) 0%, rgba(0,0,0,.92) 50%, rgba(0,0,0,1) 100%);
  -webkit-mask-image: linear-gradient(to right, rgba(0,0,0,.55) 0%, rgba(0,0,0,.92) 50%, rgba(0,0,0,1) 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background: linear-gradient(90deg, rgba(8, 13, 28, 0.85) 0%, rgba(8, 13, 28, 0.5) 42%, rgba(8, 13, 28, 0.05) 70%, rgba(8, 13, 28, 0.2) 100%);
}
.hero-inner { z-index: 2; }
.section-img {
  width: 100%; display: block; border-radius: 18px; border: 1px solid var(--border);
  aspect-ratio: 16 / 9; object-fit: cover; margin: 26px 0 30px;
  box-shadow: 0 20px 50px -24px rgba(0, 0, 0, 0.6);
}
.split-photo {
  width: 100%; display: block; border-radius: 14px; border: 1px solid var(--border-strong);
  aspect-ratio: 16 / 10; object-fit: cover;
}
.cta-bg img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.5;
}
@media (max-width: 620px) {
  .section-img { margin: 18px 0 22px; border-radius: 14px; }
  .spool-stage { padding: 20px 14px; }
}

/* Portrait photo: natural aspect ratio, full image, no cropping */
.portrait-photo {
  width: 100%; height: auto; display: block;
  border-radius: 14px; border: 1px solid var(--border-strong);
  box-shadow: 0 20px 45px -22px rgba(0, 0, 0, 0.65);
}

/* OEM section: compact 1:1 photo column */
.oem-split { grid-template-columns: minmax(0, 340px) 1fr; gap: 44px; }
@media (max-width: 900px) { .oem-split { grid-template-columns: 1fr; gap: 28px; } }