/* ==========================================================================
   OSCEY — design system
   Palette from flutter/lib/oscey/oscey_theme.dart. Inter only, one variable
   woff2. Dark-first flagship, full light theme. Transform/opacity motion only.
   ========================================================================== */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/fonts/inter-latin.woff2") format("woff2");
}

:root {
  /* Brand */
  --ink: #0b1b2e;
  --brand: #2563eb;
  --brand-2: #1d4fd7;
  --navy-2: #0e2140;
  --aqua: #4cd8cc;
  --aqua-bright: #a5f2ea;
  --coral: #ef6c4d;
  --sky: #38a6f5;

  /* Light surfaces */
  --page: #f0f4fa;
  --card: #ffffff;
  --card-2: rgba(255, 255, 255, 0.72);
  --text: #0b1b2e;
  --text-muted: #4c6076;
  --text-faint: #6b7f96;
  --stroke: #dee7f1;
  --stroke-2: rgba(11, 27, 46, 0.06);
  --wash: rgba(37, 99, 235, 0.08);
  --wash-aqua: rgba(76, 216, 204, 0.14);
  --header-bg: rgba(240, 244, 250, 0.78);
  --shadow-1: 0 1px 2px rgba(11, 27, 46, 0.05), 0 8px 24px rgba(11, 27, 46, 0.06);
  --shadow-2: 0 2px 6px rgba(11, 27, 46, 0.06), 0 24px 60px rgba(11, 27, 46, 0.12);
  --shadow-glow: 0 0 80px rgba(76, 216, 204, 0.25);
  --hero-grad: linear-gradient(152deg, #0e2140 0%, #1d4fd7 58%, #2563eb 100%);
  --accent-grad: linear-gradient(100deg, var(--brand), var(--sky) 55%, var(--aqua));
  --on-dark-text: #e2eaf5;
  --on-dark-muted: #a9bad1;
  --shot-filter: none;

  /* Metrics */
  --max: 1180px;
  --r-card: 20px;
  --r-hero: 26px;
  --header-h: 72px;
  --ease-out: cubic-bezier(0.22, 0.9, 0.28, 1);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.44, 1);
}

html[data-theme="dark"] {
  --page: #050c16;
  --card: #101e33;
  --card-2: rgba(16, 30, 51, 0.62);
  --text: #e2eaf5;
  --text-muted: #a9bad1;
  --text-faint: #7d90ab;
  --stroke: #1b2c42;
  --stroke-2: rgba(226, 234, 245, 0.06);
  --wash: rgba(76, 216, 204, 0.1);
  --wash-aqua: rgba(76, 216, 204, 0.16);
  --brand: #4cd8cc;
  --header-bg: rgba(5, 12, 22, 0.72);
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.4), 0 10px 28px rgba(0, 0, 0, 0.42);
  --shadow-2: 0 2px 8px rgba(0, 0, 0, 0.5), 0 28px 70px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 90px rgba(76, 216, 204, 0.18);
  --shot-filter: none;
  color-scheme: dark;
}
html[data-theme="light"] { color-scheme: light; }

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--page);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background 0.35s ease, color 0.35s ease;
}
@supports (overflow: clip) { html, body { overflow-x: clip; } }
img, svg, video { display: block; max-width: 100%; }
a { color: var(--brand); text-decoration: none; }
p { max-width: 68ch; }
button { font: inherit; color: inherit; }
::selection { background: rgba(76, 216, 204, 0.35); color: inherit; }
:focus-visible { outline: 3px solid var(--aqua); outline-offset: 3px; border-radius: 6px; }

.container { width: min(var(--max), calc(100% - 44px)); margin-inline: auto; }
.anchor { scroll-margin-top: calc(var(--header-h) + 16px); }
.skip {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  padding: 10px 18px; border-radius: 12px; background: var(--ink); color: #fff;
  font-weight: 700; transition: top 0.2s;
}
.skip:focus { top: 12px; }

/* ---------- Ambient background ---------- */
.ambient {
  position: fixed; inset: 0; z-index: -3; pointer-events: none;
  background:
    radial-gradient(940px 620px at 8% -6%, rgba(37, 99, 235, 0.16), transparent 62%),
    radial-gradient(880px 600px at 96% 4%, rgba(76, 216, 204, 0.14), transparent 64%),
    radial-gradient(820px 560px at 62% 108%, rgba(56, 166, 245, 0.1), transparent 66%);
  animation: ambient-drift 34s ease-in-out infinite alternate;
}
html[data-theme="dark"] .ambient {
  background:
    radial-gradient(940px 620px at 8% -6%, rgba(37, 99, 235, 0.22), transparent 62%),
    radial-gradient(880px 600px at 96% 4%, rgba(76, 216, 204, 0.16), transparent 64%),
    radial-gradient(820px 560px at 62% 108%, rgba(29, 79, 215, 0.18), transparent 66%);
}
@keyframes ambient-drift {
  from { transform: translate3d(-1.5%, -1%, 0) scale(1.02); }
  to { transform: translate3d(1.5%, 1.2%, 0) scale(1.06); }
}
.gridlines {
  position: fixed; inset: 0; z-index: -2; pointer-events: none; opacity: 0.5;
  background-image:
    linear-gradient(var(--stroke-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--stroke-2) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 75%);
}
.progress {
  position: fixed; top: 0; left: 0; z-index: 90;
  width: 0; height: 3px; border-radius: 0 3px 3px 0;
  background: var(--accent-grad);
  box-shadow: 0 0 16px rgba(76, 216, 204, 0.55);
}

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
.js .reveal.in { opacity: 1; transform: none; }
.js .reveal.d1 { transition-delay: 0.06s; }
.js .reveal.d2 { transition-delay: 0.12s; }
.js .reveal.d3 { transition-delay: 0.18s; }
.js .reveal.d4 { transition-delay: 0.24s; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 80;
  background: var(--header-bg);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.site-header.scrolled { border-bottom-color: var(--stroke); box-shadow: 0 10px 40px rgba(5, 12, 22, 0.08); }
html[data-theme="dark"] .site-header.scrolled { box-shadow: 0 10px 40px rgba(0, 0, 0, 0.45); }
.nav { display: flex; align-items: center; gap: 18px; height: var(--header-h); }
.brand { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.brand img { height: 40px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 2px; margin-inline: auto; }
.nav-links > a, .nav-links > .drop > button {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 13px; border-radius: 12px; border: 0; background: none; cursor: pointer;
  font-size: 14px; font-weight: 600; color: var(--text-muted);
  transition: color 0.18s, background 0.18s;
}
.nav-links > a:hover, .nav-links > .drop > button:hover { color: var(--text); background: var(--wash); }
.drop { position: relative; }
.drop > button .chev { width: 14px; height: 14px; transition: transform 0.25s; }
.drop.open > button .chev { transform: rotate(180deg); }
.drop-menu {
  position: absolute; top: calc(100% + 10px); left: 50%; translate: -50% 0;
  min-width: 300px; padding: 8px;
  background: var(--card); border: 1px solid var(--stroke); border-radius: 16px;
  box-shadow: var(--shadow-2); opacity: 0; visibility: hidden; translate: -50% 6px;
  transition: opacity 0.22s var(--ease-out), translate 0.22s var(--ease-out), visibility 0.22s;
}
.drop.open .drop-menu { opacity: 1; visibility: visible; translate: -50% 0; }
.drop-menu a {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 11px 12px; border-radius: 11px; color: var(--text); font-size: 14px; font-weight: 650;
  transition: background 0.15s;
}
.drop-menu a:hover { background: var(--wash); }
.drop-menu a small { font-size: 11.5px; font-weight: 600; color: var(--text-faint); white-space: nowrap; }
.nav-cta { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 22px; border-radius: 14px; border: 0; cursor: pointer;
  font-size: 14.5px; font-weight: 750; letter-spacing: -0.01em;
  transition: transform 0.2s var(--ease-spring), box-shadow 0.25s, background 0.2s, border-color 0.2s;
}
.btn-primary {
  background: var(--accent-grad); color: #fff;
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.35);
}
html[data-theme="dark"] .btn-primary { color: #06281f; box-shadow: 0 12px 32px rgba(76, 216, 204, 0.28); background: linear-gradient(100deg, var(--aqua), var(--aqua-bright)); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 44px rgba(37, 99, 235, 0.45); }
html[data-theme="dark"] .btn-primary:hover { box-shadow: 0 18px 46px rgba(76, 216, 204, 0.4); }
.btn-ghost {
  background: var(--card); border: 1px solid var(--stroke); color: var(--text);
  box-shadow: var(--shadow-1);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--brand); }
.btn-sm { padding: 9px 16px; font-size: 13.5px; border-radius: 12px; }
.theme-toggle, .menu-btn {
  width: 42px; height: 42px; border-radius: 13px; border: 1px solid var(--stroke);
  background: var(--card); color: var(--text-muted); display: grid; place-items: center;
  cursor: pointer; transition: color 0.2s, transform 0.25s var(--ease-spring), border-color 0.2s;
}
.theme-toggle:hover { color: var(--text); transform: rotate(18deg); border-color: var(--brand); }
.theme-toggle svg { width: 19px; height: 19px; }
.theme-toggle .sun { display: none; }
html[data-theme="dark"] .theme-toggle .sun { display: block; }
html[data-theme="dark"] .theme-toggle .moon { display: none; }
.menu-btn { display: none; }
.menu-btn svg { width: 20px; height: 20px; }

/* Mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 120; display: none; flex-direction: column;
  background: var(--page); padding: 18px 22px 42px; overflow-y: auto;
}
.mobile-menu.open { display: flex; animation: mm-in 0.28s var(--ease-out); }
@keyframes mm-in { from { opacity: 0; } to { opacity: 1; } }
.mm-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--stroke); margin-bottom: 14px; }
.mm-close { width: 42px; height: 42px; border-radius: 13px; border: 1px solid var(--stroke); background: var(--card); color: var(--text); font-size: 22px; line-height: 1; cursor: pointer; transition: transform 0.2s; }
.mm-close:hover { transform: rotate(90deg); }
.mm-nav { display: flex; flex-direction: column; gap: 8px; }
.mm-nav > a, .mm-group > summary {
  padding: 15px 16px; border-radius: 14px; border: 1px solid var(--stroke-2);
  font-size: 16px; font-weight: 650; color: var(--text); cursor: pointer; list-style: none;
}
.mm-nav > a:hover { background: var(--wash); }
.mm-group summary::-webkit-details-marker { display: none; }
.mm-group summary { display: flex; justify-content: space-between; align-items: center; }
.mm-group summary::after { content: "+"; font-size: 20px; color: var(--text-faint); transition: transform 0.2s; }
.mm-group[open] summary::after { transform: rotate(45deg); }
.mm-group .mm-sub { display: flex; flex-direction: column; gap: 4px; padding: 8px 0 4px 12px; }
.mm-sub a { padding: 11px 14px; border-radius: 11px; font-size: 15px; font-weight: 600; color: var(--text-muted); }
.mm-sub a:hover { background: var(--wash); color: var(--text); }
.mm-foot { margin-top: auto; padding-top: 22px; display: flex; flex-direction: column; gap: 14px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 40px 0 0; }
.hero-plate {
  position: relative; border-radius: var(--r-hero); overflow: hidden;
  background: var(--hero-grad);
  box-shadow: var(--shadow-2), 0 0 120px rgba(37, 99, 235, 0.35);
  isolation: isolate;
}
.hero-plate::before { /* orbs */
  content: ""; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(560px 420px at 88% -10%, rgba(76, 216, 204, 0.34), transparent 62%),
    radial-gradient(620px 480px at -12% 88%, rgba(76, 216, 204, 0.2), transparent 64%),
    radial-gradient(480px 380px at 42% 118%, rgba(56, 166, 245, 0.3), transparent 66%);
  animation: orbs 18s ease-in-out infinite alternate;
}
@keyframes orbs {
  from { transform: translate3d(-2%, -1%, 0) scale(1); opacity: 0.9; }
  to { transform: translate3d(2%, 1.5%, 0) scale(1.08); opacity: 1; }
}
.hero-plate::after { /* fine grid over plate */
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: 0.35;
  background-image:
    linear-gradient(rgba(226, 234, 245, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(226, 234, 245, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 100% 90% at 30% 10%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 100% 90% at 30% 10%, #000 30%, transparent 80%);
}
.hero-ecg { position: absolute; left: 0; right: 0; bottom: 8%; z-index: 0; width: 100%; height: 120px; opacity: 0.5; pointer-events: none; }
.hero-ecg path { fill: none; stroke: rgba(165, 242, 234, 0.55); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 14 2600; animation: ecg-run 7s linear infinite; filter: drop-shadow(0 0 8px rgba(76, 216, 204, 0.8)); }
.hero-ecg path.base { stroke: rgba(165, 242, 234, 0.14); stroke-dasharray: none; animation: none; filter: none; }
@keyframes ecg-run { from { stroke-dashoffset: 2614; } to { stroke-dashoffset: 0; } }
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center;
  padding: clamp(36px, 6vw, 76px) clamp(22px, 5vw, 68px) clamp(46px, 6vw, 84px);
}
.hero-copy { color: #e2eaf5; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 14px; border-radius: 999px;
  background: rgba(76, 216, 204, 0.12); border: 1px solid rgba(76, 216, 204, 0.28);
  color: var(--aqua-bright); font-size: 12px; font-weight: 750;
  letter-spacing: 0.09em; text-transform: uppercase;
}
.eyebrow .pulse-dot { width: 8px; height: 8px; border-radius: 999px; background: var(--aqua); box-shadow: 0 0 0 0 rgba(76, 216, 204, 0.6); animation: pulse-dot 2.2s infinite; }
@keyframes pulse-dot { 0% { box-shadow: 0 0 0 0 rgba(76, 216, 204, 0.55); } 70% { box-shadow: 0 0 0 9px rgba(76, 216, 204, 0); } 100% { box-shadow: 0 0 0 0 rgba(76, 216, 204, 0); } }
.eyebrow.on-light { background: var(--wash); border-color: var(--stroke); color: var(--brand); }
.hero-copy h1 {
  margin: 20px 0 18px; max-width: 13ch;
  font-size: clamp(42px, 5.6vw, 76px); font-weight: 800;
  letter-spacing: -0.045em; line-height: 1.02; color: #f4f8ff;
}
.hero-copy h1 .aqua-grad {
  background: linear-gradient(100deg, var(--aqua), var(--aqua-bright) 60%, var(--sky));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  white-space: nowrap;
}
.hero-sub { margin: 0 0 26px; font-size: clamp(15.5px, 1.6vw, 18px); line-height: 1.7; color: #c6d4e8; max-width: 56ch; }
.hero-sub b { color: #eaf2fd; font-weight: 650; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.store-badge { display: inline-flex; border-radius: 12px; transition: transform 0.22s var(--ease-spring), filter 0.2s, box-shadow 0.25s; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35); }
.store-badge:hover { transform: translateY(-3px) scale(1.02); filter: brightness(1.08); }
.store-badge img { height: 52px; width: auto; }
.hero-note { display: flex; align-items: center; gap: 9px; margin-top: 18px; font-size: 13px; font-weight: 600; color: #9fb3cf; }
.hero-note svg { width: 15px; height: 15px; flex: 0 0 auto; }

/* Waveform flourish */
.wave { display: inline-flex; align-items: flex-end; gap: 3px; height: 1em; margin-left: 10px; vertical-align: -0.08em; }
.wave i { width: 4px; border-radius: 3px; background: linear-gradient(180deg, var(--aqua-bright), var(--aqua)); animation: wave-b 1.15s ease-in-out infinite; }
.wave i:nth-child(1) { height: 38%; animation-delay: 0s; }
.wave i:nth-child(2) { height: 78%; animation-delay: 0.12s; }
.wave i:nth-child(3) { height: 100%; animation-delay: 0.24s; }
.wave i:nth-child(4) { height: 60%; animation-delay: 0.36s; }
.wave i:nth-child(5) { height: 88%; animation-delay: 0.48s; }
@keyframes wave-b { 0%, 100% { transform: scaleY(0.55); } 50% { transform: scaleY(1); } }

/* Hero device */
.hero-device { position: relative; justify-self: center; }
.phone {
  position: relative; width: min(330px, 72vw); border-radius: 46px; padding: 11px;
  background: linear-gradient(160deg, #22364e, #0b1626 60%);
  box-shadow:
    inset 0 0 0 2px rgba(165, 242, 234, 0.14),
    0 40px 90px rgba(2, 8, 20, 0.6),
    0 0 90px rgba(76, 216, 204, 0.16);
  animation: phone-float 7s ease-in-out infinite;
}
@keyframes phone-float { 0%, 100% { transform: translateY(0) rotate(-1.2deg); } 50% { transform: translateY(-14px) rotate(-1.2deg); } }
.phone::before { /* dynamic island */
  content: ""; position: absolute; top: 22px; left: 50%; translate: -50% 0; z-index: 3;
  width: 92px; height: 24px; border-radius: 999px; background: #050c16;
  box-shadow: inset 0 0 0 1px rgba(226, 234, 245, 0.06);
}
.phone-screen { position: relative; border-radius: 36px; overflow: hidden; aspect-ratio: 719 / 1560; background: #0b1626; }
.phone-screen img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.shot-dark, html[data-theme="dark"] .shot-light { display: none; }
html[data-theme="dark"] .shot-dark { display: block; }
.float-chip {
  position: absolute; z-index: 4; display: flex; align-items: center; gap: 9px;
  padding: 11px 15px; border-radius: 15px;
  background: rgba(9, 20, 37, 0.82); border: 1px solid rgba(76, 216, 204, 0.3);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 18px 44px rgba(2, 8, 20, 0.55);
  color: #e2eaf5; font-size: 12.5px; font-weight: 700; letter-spacing: 0.01em;
  animation: chip-float 6s ease-in-out infinite;
}
.float-chip small { display: block; font-size: 10.5px; font-weight: 600; color: #9fb3cf; }
.float-chip .live-dot { width: 9px; height: 9px; border-radius: 999px; background: var(--aqua); box-shadow: 0 0 12px var(--aqua); animation: pulse-dot 1.8s infinite; }
.float-chip.clock { top: 9%; right: -9%; animation-delay: 0.8s; font-variant-numeric: tabular-nums; }
.float-chip.listening { top: 38%; left: -13%; }
.float-chip.findings { bottom: 12%; right: -11%; animation-delay: 1.6s; }
@keyframes chip-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* Exam strip */
.exam-strip { padding: 26px 0 6px; }
.exam-strip-label { margin: 0 0 14px; text-align: center; font-size: 12px; font-weight: 750; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-faint); }
.exam-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.exam-chip {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 18px; border-radius: 999px;
  background: var(--card); border: 1px solid var(--stroke); box-shadow: var(--shadow-1);
  color: var(--text); font-size: 13.5px; font-weight: 700;
  transition: transform 0.2s var(--ease-spring), border-color 0.2s, box-shadow 0.25s;
}
.exam-chip:hover { transform: translateY(-3px); border-color: var(--aqua); box-shadow: var(--shadow-2), var(--shadow-glow); }
.exam-chip img { width: 30px; height: 30px; object-fit: contain; flex: 0 0 auto; }
.exam-chip i { width: 8px; height: 8px; border-radius: 999px; background: var(--accent-grad); flex: 0 0 auto; }
.exam-chip span.fmt { font-size: 11.5px; font-weight: 650; color: var(--text-faint); }

/* Marquee */
.marquee { padding: 34px 0 8px; overflow: hidden; position: relative; }
.marquee::before, .marquee::after { content: ""; position: absolute; top: 0; bottom: 0; width: 110px; z-index: 2; pointer-events: none; }
.marquee::before { left: 0; background: linear-gradient(90deg, var(--page), transparent); }
.marquee::after { right: 0; background: linear-gradient(-90deg, var(--page), transparent); }
.marquee-track { display: flex; gap: 42px; width: max-content; animation: marquee 46s linear infinite; }
.marquee-track span { display: inline-flex; align-items: center; gap: 12px; font-size: 13.5px; font-weight: 700; color: var(--text-faint); white-space: nowrap; }
.marquee-track span::before { content: ""; width: 7px; height: 7px; border-radius: 999px; background: var(--accent-grad); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section.tight { padding: clamp(40px, 6vw, 64px) 0; }
main > section { content-visibility: auto; contain-intrinsic-size: auto 760px; }
.section-head { max-width: 780px; margin-bottom: clamp(30px, 5vw, 52px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center p { margin-inline: auto; }
.section-head h2 {
  margin: 16px 0 14px; font-size: clamp(30px, 4vw, 48px); font-weight: 800;
  letter-spacing: -0.04em; line-height: 1.06; color: var(--text);
}
.section-head p { margin: 0; font-size: clamp(15px, 1.4vw, 16.5px); color: var(--text-muted); }
.section-head h2 .aqua-text { color: var(--brand); }
.eyebrow.static { background: var(--wash-aqua); border-color: var(--stroke); color: var(--brand); }

/* ---------- How it works ---------- */
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.how-step { position: relative; display: flex; flex-direction: column; gap: 18px; }
.how-card {
  position: relative; border-radius: var(--r-card); overflow: hidden;
  background: var(--card); border: 1px solid var(--stroke); box-shadow: var(--shadow-1);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
}
.how-step:hover .how-card { transform: translateY(-6px); box-shadow: var(--shadow-2); }
.how-card .shot { aspect-ratio: 719 / 1200; overflow: hidden; }
.how-card img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform 0.5s var(--ease-out); }
.how-step:hover .how-card img { transform: scale(1.03); }
.how-num {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  width: 38px; height: 38px; border-radius: 13px; display: grid; place-items: center;
  background: rgba(9, 20, 37, 0.85); border: 1px solid rgba(76, 216, 204, 0.4);
  color: var(--aqua-bright); font-size: 15px; font-weight: 800;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.how-meta h3 { margin: 0 0 8px; font-size: 19px; font-weight: 750; letter-spacing: -0.02em; }
.how-meta p { margin: 0; font-size: 14px; color: var(--text-muted); }

/* ---------- Circuit ---------- */
.circuit-wrap {
  position: relative; border-radius: var(--r-hero); overflow: hidden;
  background: var(--card); border: 1px solid var(--stroke); box-shadow: var(--shadow-2);
}
.circuit-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; padding: clamp(20px, 3vw, 30px) clamp(20px, 3vw, 32px) 6px; }
.circuit-tabs { display: flex; flex-wrap: wrap; gap: 7px; }
.circuit-tab {
  padding: 10px 16px; border-radius: 999px; border: 1px solid var(--stroke);
  background: var(--page); color: var(--text-muted); font-size: 13px; font-weight: 700;
  cursor: pointer; transition: all 0.22s var(--ease-out);
}
html[data-theme="dark"] .circuit-tab { background: rgba(5, 12, 22, 0.5); }
.circuit-tab:hover { color: var(--text); border-color: var(--brand); transform: translateY(-1px); }
.circuit-tab[aria-selected="true"] {
  background: var(--accent-grad); color: #fff; border-color: transparent;
  box-shadow: 0 10px 26px rgba(37, 99, 235, 0.4);
}
html[data-theme="dark"] .circuit-tab[aria-selected="true"] { color: #06281f; box-shadow: 0 10px 26px rgba(76, 216, 204, 0.3); }
.circuit-format { font-size: 13px; font-weight: 700; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.circuit-format b { color: var(--text); font-weight: 800; }
.circuit-stage { position: relative; padding: 8px 10px 0; }
.circuit-stage svg { width: 100%; height: auto; display: block; }
.circuit-path { fill: none; stroke: var(--stroke); stroke-width: 3; stroke-linecap: round; transition: opacity 0.35s; }
html[data-theme="dark"] .circuit-path { stroke: #22364e; }
.circuit-path.done { stroke: url(#circuitGrad); }
.c-node { transition: transform 0.65s var(--ease-spring), opacity 0.4s; cursor: default; }
.c-node circle.face { fill: var(--card); stroke: var(--brand); stroke-width: 2.5; transition: fill 0.3s, stroke 0.3s, r 0.3s; }
.c-node text { font-size: 13px; font-weight: 800; fill: var(--text-muted); text-anchor: middle; dominant-baseline: central; transition: fill 0.3s; font-variant-numeric: tabular-nums; }
.c-node:hover circle.face { fill: var(--wash); }
.c-node.rest circle.face { stroke: var(--aqua); stroke-dasharray: 4 4; fill: var(--wash-aqua); }
.c-node.rest text { fill: var(--aqua); font-size: 15px; }
.c-node.active circle.face { fill: var(--accent-grad); stroke: transparent; }
.c-node.active text { fill: #fff; }
html[data-theme="dark"] .c-node.active text { fill: #06281f; }
.c-node.active .halo { fill: none; stroke: var(--aqua); stroke-width: 2; opacity: 0.7; animation: halo 2s ease-out infinite; }
@keyframes halo { from { transform: scale(0.7); opacity: 0.8; } to { transform: scale(1.5); opacity: 0; } }
.c-node .halo { transform-origin: center; transform-box: fill-box; }
.c-traveler { fill: var(--aqua-bright); filter: drop-shadow(0 0 8px var(--aqua)); }
.circuit-legend { display: flex; flex-wrap: wrap; gap: 20px; padding: 4px clamp(20px, 3vw, 32px) 20px; font-size: 12.5px; font-weight: 650; color: var(--text-muted); }
.circuit-legend span { display: inline-flex; align-items: center; gap: 8px; }
.lg-dot { width: 14px; height: 14px; border-radius: 999px; border: 2.5px solid var(--brand); background: var(--card); }
.lg-dot.rest { border-color: var(--aqua); border-style: dashed; background: var(--wash-aqua); }
.lg-dot.act { background: var(--accent-grad); border-color: transparent; }
.circuit-foot { border-top: 1px solid var(--stroke); padding: clamp(18px, 3vw, 26px) clamp(20px, 3vw, 32px); display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.cfact { min-width: 0; }
.cfact b { display: block; font-size: clamp(20px, 2.6vw, 28px); font-weight: 800; letter-spacing: -0.03em; color: var(--text); font-variant-numeric: tabular-nums; }
.cfact span { font-size: 12.5px; font-weight: 650; color: var(--text-faint); }
.format-table { width: 100%; border-collapse: collapse; margin-top: 26px; font-size: 14px; }
.format-table th, .format-table td { padding: 13px 14px; text-align: left; border-bottom: 1px solid var(--stroke); }
.format-table th { font-size: 11.5px; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-faint); }
.format-table td { color: var(--text-muted); font-variant-numeric: tabular-nums; }
.format-table td:first-child { color: var(--text); font-weight: 700; white-space: nowrap; }
.format-table tr:hover td { background: var(--wash); }
.format-note { margin-top: 14px; font-size: 13px; color: var(--text-faint); }

/* ---------- Debrief ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.split .shot-frame { position: relative; }
.shot-frame {
  border-radius: var(--r-hero); overflow: hidden;
  border: 1px solid var(--stroke); box-shadow: var(--shadow-2);
  background: #0b1626;
}
.shot-frame img { width: 100%; height: auto; }
.shot-frame.tablet { border-radius: 22px; }
.domain-list { display: flex; flex-direction: column; gap: 16px; margin: 26px 0; }
.domain { display: grid; gap: 7px; }
.domain .d-top { display: flex; justify-content: space-between; align-items: baseline; font-size: 14px; font-weight: 700; }
.domain .d-top span { color: var(--text-muted); font-weight: 650; font-variant-numeric: tabular-nums; }
.domain .bar { height: 9px; border-radius: 999px; background: var(--stroke); overflow: hidden; }
html[data-theme="dark"] .domain .bar { background: #1b2c42; }
.domain .bar i { display: block; height: 100%; width: 0; border-radius: 999px; background: var(--accent-grad); transition: width 1.1s var(--ease-out) 0.15s; }
.in .domain .bar i { width: var(--w); }
.crit-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.crit {
  padding: 16px; border-radius: 16px; border: 1px solid var(--stroke);
  background: var(--card); box-shadow: var(--shadow-1); font-size: 13.5px;
}
.crit b { display: flex; align-items: center; gap: 8px; font-size: 12px; letter-spacing: 0.07em; text-transform: uppercase; margin-bottom: 7px; }
.crit.met b { color: #16a34a; }
.crit.missed b { color: var(--coral); }
.crit p { margin: 0; color: var(--text-muted); line-height: 1.55; }
.crit .icn { width: 16px; height: 16px; flex: 0 0 auto; }

/* ---------- Coverage / radar ---------- */
.coverage-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(28px, 5vw, 60px); align-items: center; }
.radar-wrap { position: relative; max-width: 460px; margin-inline: auto; width: 100%; }
.radar-wrap svg { width: 100%; height: auto; overflow: visible; }
.radar-grid { fill: none; stroke: var(--stroke); stroke-width: 1.5; }
html[data-theme="dark"] .radar-grid { stroke: #22364e; }
.radar-axis { stroke: var(--stroke); stroke-width: 1.5; }
html[data-theme="dark"] .radar-axis { stroke: #22364e; }
.radar-shape { fill: rgba(76, 216, 204, 0.22); stroke: var(--aqua); stroke-width: 2.5; stroke-linejoin: round; transform-origin: center; transform-box: fill-box; }
.in .radar-shape { animation: radar-in 1.2s var(--ease-out) both; }
@keyframes radar-in { from { transform: scale(0.35); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.radar-dot { fill: var(--aqua); }
.radar-label { font-size: 12.5px; font-weight: 700; fill: var(--text-muted); text-anchor: middle; }
.stat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.stat {
  padding: 22px; border-radius: var(--r-card); background: var(--card);
  border: 1px solid var(--stroke); box-shadow: var(--shadow-1);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
}
.stat:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.stat b { display: block; font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; letter-spacing: -0.04em; line-height: 1.05; font-variant-numeric: tabular-nums; background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { display: block; margin-top: 6px; font-size: 13px; font-weight: 650; color: var(--text-muted); }

/* Feature cards */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.f-card {
  padding: 22px; border-radius: var(--r-card); background: var(--card);
  border: 1px solid var(--stroke); box-shadow: var(--shadow-1);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s, border-color 0.25s;
  position: relative; overflow: hidden;
}
.f-card::after { content: ""; position: absolute; inset: auto 0 0 0; height: 3px; background: var(--accent-grad); transform: scaleX(0); transform-origin: left; transition: transform 0.4s var(--ease-out); }
.f-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-2); border-color: rgba(76, 216, 204, 0.4); }
.f-card:hover::after { transform: scaleX(1); }
.f-icon {
  width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  background: var(--wash-aqua); border: 1px solid var(--stroke); margin-bottom: 14px;
}
.f-icon svg { width: 21px; height: 21px; stroke: var(--brand); }
.f-card h3 { margin: 0 0 7px; font-size: 15.5px; font-weight: 750; letter-spacing: -0.015em; }
.f-card p { margin: 0; font-size: 13.5px; color: var(--text-muted); line-height: 1.6; }

/* ---------- Pricing ---------- */
.pricing-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 18px; max-width: 920px; margin-inline: auto; align-items: stretch; }
.price-card {
  position: relative; padding: clamp(24px, 3.4vw, 34px); border-radius: var(--r-hero);
  background: var(--card); border: 1px solid var(--stroke); box-shadow: var(--shadow-1);
  display: flex; flex-direction: column;
}
.price-card.featured {
  background: linear-gradient(var(--card), var(--card)) padding-box,
    linear-gradient(140deg, var(--brand), var(--aqua)) border-box;
  border: 2px solid transparent; box-shadow: var(--shadow-2), var(--shadow-glow);
}
.price-tag { display: inline-flex; align-items: center; gap: 8px; padding: 6px 13px; border-radius: 999px; background: var(--wash-aqua); color: var(--brand); font-size: 11.5px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; width: max-content; }
.price-card h3 { margin: 16px 0 6px; font-size: 23px; font-weight: 800; letter-spacing: -0.03em; }
.price-line { display: flex; align-items: baseline; gap: 8px; margin: 6px 0 18px; }
.price-line b { font-size: clamp(32px, 4vw, 44px); font-weight: 800; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.price-line span { color: var(--text-faint); font-size: 13.5px; font-weight: 650; }
.price-list { list-style: none; margin: 0 0 24px; padding: 0; display: flex; flex-direction: column; gap: 11px; font-size: 14px; color: var(--text-muted); }
.price-list li { display: flex; gap: 10px; align-items: flex-start; }
.price-list svg { width: 17px; height: 17px; flex: 0 0 auto; margin-top: 2px; stroke: var(--brand); }
.price-card .btn { margin-top: auto; }
.price-note { text-align: center; margin-top: 20px; font-size: 13px; color: var(--text-faint); }

/* ---------- FAQ ---------- */
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; align-items: start; }
.faq-col { display: flex; flex-direction: column; gap: 13px; min-width: 0; }
details.faq {
  border-radius: var(--r-card); background: var(--card); border: 1px solid var(--stroke);
  box-shadow: var(--shadow-1); padding: 4px 18px; transition: border-color 0.2s, box-shadow 0.2s;
}
details.faq:hover { box-shadow: var(--shadow-2); }
details.faq[open] { border-color: rgba(76, 216, 204, 0.45); }
details.faq summary {
  cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between;
  gap: 14px; padding: 15px 0; font-size: 14.5px; font-weight: 700; letter-spacing: -0.01em; color: var(--text);
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary .plus {
  width: 26px; height: 26px; flex: 0 0 auto; border-radius: 9px; display: grid; place-items: center;
  border: 1px solid var(--stroke); background: var(--page); color: var(--text-muted);
  transition: transform 0.3s var(--ease-spring), background 0.2s, color 0.2s;
}
html[data-theme="dark"] details.faq summary .plus { background: rgba(5, 12, 22, 0.5); }
details.faq[open] summary .plus { transform: rotate(45deg); background: var(--wash-aqua); color: var(--brand); border-color: transparent; }
details.faq .a { padding: 0 0 16px; margin: 0; font-size: 14px; color: var(--text-muted); line-height: 1.7; }
details.faq .a a { font-weight: 650; text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Final CTA ---------- */
.final-plate {
  position: relative; overflow: hidden; border-radius: var(--r-hero);
  background: var(--hero-grad); box-shadow: var(--shadow-2), 0 0 110px rgba(37, 99, 235, 0.3);
  padding: clamp(34px, 6vw, 68px) clamp(22px, 5vw, 64px);
  display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 34px; align-items: center;
  isolation: isolate;
}
.final-plate::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(540px 400px at 92% 0%, rgba(76, 216, 204, 0.32), transparent 60%),
    radial-gradient(520px 420px at -8% 100%, rgba(76, 216, 204, 0.18), transparent 62%);
  animation: orbs 16s ease-in-out infinite alternate;
}
.final-copy h2 { margin: 0 0 14px; font-size: clamp(28px, 4vw, 46px); font-weight: 800; letter-spacing: -0.04em; line-height: 1.06; color: #f4f8ff; }
.final-copy p { margin: 0 0 24px; color: #c6d4e8; font-size: 15.5px; max-width: 52ch; }
.final-mark { justify-self: center; width: min(300px, 60vw); filter: drop-shadow(0 24px 60px rgba(2, 8, 20, 0.5)); animation: phone-float 8s ease-in-out infinite; }
.micro-disclaimer { margin-top: 18px; font-size: 12px; color: #93a7c2; max-width: 60ch; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--stroke); padding: 54px 0 44px; margin-top: 40px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 0.9fr); gap: 34px; }
.foot-brand img { height: 42px; width: auto; margin-bottom: 14px; }
.foot-brand p { margin: 0; font-size: 13.5px; color: var(--text-muted); max-width: 34ch; }
.foot-col h4 { margin: 0 0 13px; font-size: 12px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.foot-col a { font-size: 14px; font-weight: 600; color: var(--text-muted); transition: color 0.15s; }
.foot-col a:hover { color: var(--brand); }
.foot-disclaimer {
  margin-top: 38px; padding: 20px 22px; border-radius: 16px;
  background: var(--card); border: 1px solid var(--stroke);
  font-size: 12.5px; line-height: 1.7; color: var(--text-faint);
}
.foot-disclaimer b { color: var(--text-muted); }
.foot-base { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-top: 26px; font-size: 12.5px; color: var(--text-faint); }
.foot-base a { color: var(--text-muted); font-weight: 650; }
.foot-base a:hover { color: var(--brand); }

/* ---------- Exam pages ---------- */
.page-hero { position: relative; padding: 34px 0 10px; }
.page-hero-plate {
  position: relative; border-radius: var(--r-hero); overflow: hidden;
  background: var(--hero-grad); box-shadow: var(--shadow-2), 0 0 110px rgba(37, 99, 235, 0.3);
  padding: clamp(34px, 5vw, 58px) clamp(22px, 5vw, 60px);
  isolation: isolate;
}
.page-hero-plate::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(560px 420px at 90% -8%, rgba(76, 216, 204, 0.3), transparent 62%),
    radial-gradient(560px 460px at -10% 96%, rgba(76, 216, 204, 0.16), transparent 64%);
  animation: orbs 17s ease-in-out infinite alternate;
}
.crumbs { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; font-size: 12.5px; font-weight: 650; color: #9fb3cf; }
.crumbs a { color: #c6d4e8; }
.crumbs a:hover { color: var(--aqua-bright); }
.crumbs svg { width: 12px; height: 12px; }
.page-hero-plate h1 { margin: 16px 0 16px; max-width: 20ch; font-size: clamp(34px, 4.8vw, 58px); font-weight: 800; letter-spacing: -0.045em; line-height: 1.04; color: #f4f8ff; }
.page-hero-plate .lead { margin: 0 0 26px; max-width: 62ch; color: #c6d4e8; font-size: clamp(15px, 1.5vw, 17px); }
.fact-strip { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.fact-pill {
  display: inline-flex; flex-direction: column; gap: 2px;
  padding: 11px 17px; border-radius: 15px;
  background: rgba(9, 20, 37, 0.55); border: 1px solid rgba(76, 216, 204, 0.25);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.fact-pill b { font-size: 17px; font-weight: 800; letter-spacing: -0.02em; color: #eaf2fd; font-variant-numeric: tabular-nums; }
.fact-pill span { font-size: 11px; font-weight: 650; letter-spacing: 0.05em; text-transform: uppercase; color: #9fb3cf; }

.shot-rail { display: grid; grid-auto-flow: column; grid-auto-columns: min(250px, 62vw); gap: 16px; overflow-x: auto; padding: 6px 2px 18px; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; }
.shot-rail::-webkit-scrollbar { height: 8px; }
.shot-rail::-webkit-scrollbar-thumb { background: var(--stroke); border-radius: 99px; }
.shot-rail figure { margin: 0; scroll-snap-align: start; display: flex; flex-direction: column; gap: 10px; }
.shot-rail .shot-frame { border-radius: 24px; }
.shot-rail figcaption { font-size: 12.5px; font-weight: 600; color: var(--text-faint); padding-inline: 4px; }

.tick-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.tick-list li { display: flex; gap: 13px; align-items: flex-start; font-size: 15px; color: var(--text-muted); }
.tick-list b { color: var(--text); font-weight: 700; }
.tick-list .tick { width: 26px; height: 26px; flex: 0 0 auto; border-radius: 9px; display: grid; place-items: center; background: var(--wash-aqua); }
.tick-list .tick svg { width: 14px; height: 14px; stroke: var(--brand); }

.exam-nav-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.exam-nav-card {
  padding: 18px 20px; border-radius: var(--r-card); background: var(--card);
  border: 1px solid var(--stroke); box-shadow: var(--shadow-1);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  transition: transform 0.22s var(--ease-spring), box-shadow 0.25s, border-color 0.2s;
}
.exam-nav-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: var(--aqua); }
.exam-nav-card b { font-size: 14.5px; font-weight: 750; color: var(--text); }
.exam-nav-card span { display: block; font-size: 12px; font-weight: 600; color: var(--text-faint); margin-top: 2px; }
.exam-nav-card svg { width: 16px; height: 16px; stroke: var(--text-faint); flex: 0 0 auto; }
.exam-nav-card.current { border-style: dashed; opacity: 0.65; pointer-events: none; }

/* ---------- Prose (legal / support) ---------- */
.prose { max-width: 760px; }
.prose h2 { margin: 44px 0 14px; font-size: 24px; font-weight: 800; letter-spacing: -0.03em; }
.prose h3 { margin: 30px 0 10px; font-size: 17.5px; font-weight: 750; letter-spacing: -0.02em; }
.prose p, .prose li { font-size: 15px; color: var(--text-muted); line-height: 1.75; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 8px; }
.prose b, .prose strong { color: var(--text); }
.prose table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; }
.prose th, .prose td { padding: 11px 13px; border: 1px solid var(--stroke); text-align: left; color: var(--text-muted); }
.prose th { background: var(--card); color: var(--text); font-weight: 750; }
.updated { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px; background: var(--wash); font-size: 12.5px; font-weight: 700; color: var(--brand); }

.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 30px 0; }
.contact-card {
  padding: 24px; border-radius: var(--r-card); background: var(--card);
  border: 1px solid var(--stroke); box-shadow: var(--shadow-1);
  transition: transform 0.22s var(--ease-spring), box-shadow 0.25s;
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.contact-card h3 { margin: 0 0 8px; font-size: 16px; font-weight: 750; }
.contact-card p { margin: 0 0 14px; font-size: 13.5px; color: var(--text-muted); }
.contact-card a { font-size: 14px; font-weight: 700; }

/* 404 */
.nf-wrap { min-height: 62vh; display: grid; place-items: center; text-align: center; padding: 60px 0; }
.nf-code { font-size: clamp(90px, 18vw, 170px); font-weight: 800; letter-spacing: -0.06em; line-height: 1; background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nf-wrap h1 { margin: 8px 0 12px; font-size: clamp(24px, 3.6vw, 36px); font-weight: 800; letter-spacing: -0.035em; }
.nf-wrap p { margin: 0 auto 26px; color: var(--text-muted); max-width: 46ch; }

/* ---------- Utility ---------- */
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.tabular { font-variant-numeric: tabular-nums; }
.grad-text { background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
main > section:last-of-type { content-visibility: visible; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; gap: 54px; padding-bottom: 60px; }
  .hero-copy h1 { max-width: 16ch; }
  .hero-device { order: 2; }
  .float-chip.clock { right: -2%; }
  .float-chip.listening { left: -4%; }
  .float-chip.findings { right: -3%; }
  .how-grid { grid-template-columns: 1fr 1fr; }
  .how-step:last-child { grid-column: 1 / -1; max-width: 52%; margin-inline: auto; width: 100%; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .coverage-grid { grid-template-columns: 1fr; gap: 40px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .menu-btn { display: grid; }
}
@media (max-width: 860px) {
  .split, .pricing-grid, .final-plate { grid-template-columns: 1fr; }
  .final-mark { order: -1; width: min(220px, 52vw); }
  .faq-grid { grid-template-columns: 1fr; }
  .circuit-foot { grid-template-columns: repeat(2, 1fr); }
  .exam-nav-cards { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .crit-cards { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .container { width: calc(100% - 28px); }
  .how-grid { grid-template-columns: 1fr; }
  .how-step:last-child { max-width: 100%; }
  .feature-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .brand img { height: 34px; }
  .nav-cta .btn { display: none; }
  .hero { padding-top: 22px; }
  .hero-inner { padding: 30px 20px 46px; gap: 44px; }
  .float-chip.listening { left: -6px; top: 30%; }
  .float-chip.clock { right: -6px; }
  .float-chip.findings { right: -6px; }
  .format-table th:nth-child(4), .format-table td:nth-child(4) { display: none; }
  .foot-grid { grid-template-columns: 1fr; gap: 26px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .ambient, .hero-plate::before, .final-plate::before, .page-hero-plate::before { animation: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  .c-traveler { display: none; }
  .marquee-track { animation: none; }
}