/* =====================================================================
   GlanceVision 格朗思 — site styles
   Theme: dark-premium hero/header/footer + light content (photon motif)
   System fonts only (no external CDN — China-friendly)
   ===================================================================== */

:root {
  /* photon brand */
  --teal:   #21D4C4;
  --blue:   #3A7BFA;
  --violet: #6E5BF2;
  --grad:        linear-gradient(135deg, #21D4C4 0%, #3A7BFA 55%, #6E5BF2 100%);
  --grad-text:   linear-gradient(100deg, #4FE6D2 0%, #61A0FF 50%, #9A86FF 100%);
  --grad-soft:   linear-gradient(135deg, rgba(33,212,196,.14), rgba(110,91,242,.14));

  /* dark surfaces */
  --bg-dark:    #070B16;
  --bg-dark-2:  #0A1120;
  --panel-dark: #0E1729;
  --card-dark:  rgba(255,255,255,.045);
  --bd-dark:    rgba(255,255,255,.10);
  --on-dark:    #E9EEF7;
  --mut-dark:   #93A1B8;

  /* light surfaces */
  --bg:      #FFFFFF;
  --bg-alt:  #F4F8FC;
  --panel:   #FFFFFF;
  --bd:      #E4EAF2;
  --ink:     #0C1322;
  --ink-2:   #2A3445;
  --mut:     #5E6B7E;

  --shadow-sm: 0 2px 10px rgba(12,19,34,.06);
  --shadow:    0 14px 44px rgba(12,19,34,.10);
  --shadow-lg: 0 30px 80px rgba(8,15,30,.45);

  --r-sm: 10px;
  --r:    16px;
  --r-lg: 24px;

  --maxw: 1200px;
  --pad:  clamp(20px, 5vw, 40px);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans CN", "Noto Sans CJK SC",
          system-ui, Roboto, Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", ui-monospace, "Cascadia Code", Consolas, "Liberation Mono", monospace;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { line-height: 1.18; margin: 0; letter-spacing: -.02em; font-weight: 800; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

/* ---------- i18n language switch ---------- */
html[data-lang="zh"] [lang="en"] { display: none !important; }
html[data-lang="en"] [lang="zh"] { display: none !important; }

/* ---------- layout helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }
.section { padding: clamp(64px, 9vw, 120px) 0; position: relative; }
.section.alt { background: var(--bg-alt); }
.section.dark {
  background: var(--bg-dark);
  color: var(--on-dark);
}
.section.dark h1, .section.dark h2, .section.dark h3 { color: #fff; }
.narrow { max-width: 820px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 2px; border-radius: 2px; background: var(--grad);
}
.section.dark .eyebrow { color: var(--teal); }

.h-sec { font-size: clamp(28px, 4vw, 46px); }
.lead {
  font-size: clamp(17px, 1.6vw, 20px); color: var(--mut); max-width: 720px; margin-top: 18px;
}
.section.dark .lead { color: var(--mut-dark); }

.grad-text {
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.center { text-align: center; }
.center .eyebrow::before { display: none; }
.center .eyebrow { margin-inline: auto; }
.center .lead { margin-inline: auto; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 26px; border-radius: 999px; font-weight: 700; font-size: 15px;
  border: 1px solid transparent; transition: transform .2s ease, box-shadow .2s ease, background .2s, color .2s;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 10px 26px rgba(58,123,250,.34);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(58,123,250,.46); }
.btn-ghost {
  background: transparent; color: var(--ink); border-color: var(--bd);
}
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }
.section.dark .btn-ghost, .hero .btn-ghost {
  color: #fff; border-color: rgba(255,255,255,.25);
}
.section.dark .btn-ghost:hover, .hero .btn-ghost:hover {
  border-color: var(--teal); color: var(--teal); background: rgba(255,255,255,.04);
}
.btn-arrow { transition: transform .2s; }
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .3s ease, box-shadow .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(7,11,22,.82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom-color: var(--bd-dark);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand .mark { width: 38px; height: 38px; flex: none; }
.brand .wm { display: flex; flex-direction: column; line-height: 1.05; }
.brand .wm b { color: #fff; font-size: 19px; font-weight: 800; letter-spacing: -.01em; }
.brand .wm span { color: var(--mut-dark); font-size: 11px; letter-spacing: .06em; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  color: #C7D2E4; font-size: 15px; font-weight: 600; padding: 9px 15px; border-radius: 9px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-links a.active { color: #fff; }
.nav-links a.active::after {
  content: ""; display: block; height: 2px; border-radius: 2px; margin-top: 5px;
  background: var(--grad);
}
.nav-right { display: flex; align-items: center; gap: 14px; }
.lang-toggle {
  background: rgba(255,255,255,.06); border: 1px solid var(--bd-dark); color: #fff;
  border-radius: 999px; padding: 7px 14px; font-size: 13px; font-weight: 700; letter-spacing: .03em;
  display: inline-flex; align-items: center; gap: 6px; transition: border-color .2s, background .2s;
}
.lang-toggle:hover { border-color: var(--teal); background: rgba(33,212,196,.12); }
.nav-cta { padding: 10px 20px; font-size: 14px; }

.menu-btn {
  display: none; background: transparent; border: 0; padding: 8px; width: 42px; height: 42px;
}
.menu-btn span { display: block; height: 2px; background: #fff; border-radius: 2px; margin: 5px 0; transition: .25s; }
body.nav-open .menu-btn span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .menu-btn span:nth-child(2) { opacity: 0; }
body.nav-open .menu-btn span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero {
  position: relative; background: var(--bg-dark); color: var(--on-dark);
  padding-top: 150px; padding-bottom: clamp(70px, 10vw, 130px);
  overflow: hidden; isolation: isolate;
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(900px 520px at 78% 8%, rgba(58,123,250,.30), transparent 60%),
    radial-gradient(760px 520px at 12% 100%, rgba(33,212,196,.20), transparent 60%),
    radial-gradient(620px 460px at 95% 90%, rgba(110,91,242,.22), transparent 60%);
}
#photon-canvas {
  position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%;
  opacity: .9; pointer-events: none;
}
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(30px, 5vw, 64px); align-items: center;
}
.hero h1 {
  font-size: clamp(34px, 5.4vw, 64px); color: #fff; letter-spacing: -.03em; line-height: 1.06;
}
.hero .lead { color: #C2CEE2; font-size: clamp(17px, 1.8vw, 21px); max-width: 560px; }
.hero-tagline { font-size: clamp(15px, 1.6vw, 19px); font-weight: 700; color: var(--teal); margin-top: 16px; letter-spacing: .01em; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px; font-weight: 600; color: var(--on-dark);
  border: 1px solid var(--bd-dark); background: rgba(255,255,255,.04);
  padding: 7px 13px; border-radius: 999px;
}
.chip i { width: 7px; height: 7px; border-radius: 50%; background: var(--grad); display: inline-block; }

.hero-media { position: relative; }
.hero-media img {
  width: 100%; border-radius: var(--r-lg); border: 1px solid var(--bd-dark);
  box-shadow: var(--shadow-lg);
}
.hero-media .tag {
  position: absolute; left: 18px; bottom: 18px;
  background: rgba(7,11,22,.74); backdrop-filter: blur(8px);
  border: 1px solid var(--bd-dark); border-radius: 12px; padding: 11px 15px;
}
.hero-media .tag b { color: #fff; font-size: 14px; display: block; }
.hero-media .tag span { color: var(--teal); font-size: 12px; font-weight: 600; }
.hero-media .float {
  position: absolute; top: 16px; right: 16px;
  background: rgba(7,11,22,.7); border: 1px solid var(--bd-dark); border-radius: 12px;
  padding: 10px 14px; backdrop-filter: blur(8px);
}
.hero-media .float .n { font-size: 22px; font-weight: 800; }
.hero-media .float .l { font-size: 11px; color: var(--mut-dark); letter-spacing: .05em; }
.img-note {
  position: absolute; top: 14px; right: 14px;
  background: rgba(7,11,22,.66); backdrop-filter: blur(6px);
  border: 1px solid var(--bd-dark); color: var(--mut-dark);
  font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 8px;
}

/* hero 2x2 concept grid */
.hero-concepts { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hero-concepts figure {
  position: relative; margin: 0; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--bd-dark); background: #0b1322; box-shadow: var(--shadow-lg);
}
.hero-concepts svg { width: 100%; height: auto; display: block; }
.hero-concepts figcaption {
  position: absolute; left: 9px; bottom: 9px;
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(7,11,22,.64); backdrop-filter: blur(6px);
  border: 1px solid var(--bd-dark); color: #fff;
  font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px;
}
.hero-concepts figcaption::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--grad); flex: none; }
@media (max-width: 420px) { .hero-concepts figcaption { font-size: 11px; padding: 3px 8px; } }

/* stat strip under hero */
.stat-strip {
  border-top: 1px solid var(--bd-dark);
  margin-top: clamp(44px, 6vw, 72px); padding-top: clamp(30px, 4vw, 44px);
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.stat .n {
  font-size: clamp(28px, 3.4vw, 42px); font-weight: 800; letter-spacing: -.03em;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat .l { color: var(--mut-dark); font-size: 14px; margin-top: 4px; }

/* ---------- page banner (inner pages) ---------- */
.page-hero {
  position: relative; background: var(--bg-dark); color: var(--on-dark);
  padding: 150px 0 clamp(54px, 7vw, 86px); overflow: hidden; isolation: isolate;
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(800px 460px at 82% 0%, rgba(58,123,250,.26), transparent 60%),
    radial-gradient(640px 460px at 6% 100%, rgba(33,212,196,.18), transparent 62%);
}
.page-hero h1 { font-size: clamp(32px, 4.6vw, 54px); color: #fff; }
.page-hero .lead { color: #C2CEE2; }
.crumbs { font-size: 13px; color: var(--mut-dark); margin-bottom: 16px; letter-spacing: .04em; }
.crumbs a:hover { color: var(--teal); }

/* ---------- cards / grids ---------- */
.grid { display: grid; gap: 24px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--panel); border: 1px solid var(--bd); border-radius: var(--r);
  padding: 30px; transition: transform .25s ease, box-shadow .25s, border-color .25s;
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: transparent; }
.card::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--grad);
  transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.card:hover::after { transform: scaleX(1); }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--mut); font-size: 15.5px; }

.icon-badge {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid var(--bd); margin-bottom: 18px;
}
.icon-badge svg { width: 26px; height: 26px; stroke: var(--blue); }
.section.dark .icon-badge { background: rgba(255,255,255,.05); border-color: var(--bd-dark); }
.section.dark .icon-badge svg { stroke: var(--teal); }

/* feature rows (icon left) */
.feature { display: flex; gap: 18px; align-items: flex-start; }
.feature .icon-badge { margin-bottom: 0; flex: none; }
.feature h3 { font-size: 18px; margin-bottom: 6px; }
.feature p { color: var(--mut); font-size: 15px; }
.section.dark .feature p { color: var(--mut-dark); }

/* split (text + media) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(34px, 5vw, 70px); align-items: center; }
.split.rev .split-media { order: 2; }
.split-media img, .figure img {
  width: 100%; border-radius: var(--r); border: 1px solid var(--bd); box-shadow: var(--shadow);
}
.section.dark .split-media img { border-color: var(--bd-dark); }
.ul-check { display: grid; gap: 13px; margin-top: 22px; }
.ul-check li { display: flex; gap: 12px; align-items: flex-start; font-size: 15.5px; color: var(--ink-2); }
.section.dark .ul-check li { color: #D7DEEC; }
.ul-check svg { width: 22px; height: 22px; flex: none; margin-top: 1px; }
.ul-check svg circle { fill: rgba(33,212,196,.16); }
.ul-check svg path { stroke: var(--teal); }

/* ---------- comparison table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--bd); border-radius: var(--r); }
table.cmp { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 15px; background: var(--panel); }
table.cmp th, table.cmp td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--bd); }
table.cmp thead th { background: var(--bg-alt); font-weight: 700; color: var(--ink); font-size: 14px; }
table.cmp tbody th { font-weight: 700; color: var(--ink-2); white-space: nowrap; }
table.cmp td { color: var(--mut); }
table.cmp .hl { background: rgba(33,212,196,.07); }
table.cmp thead th.hl { background: rgba(33,212,196,.14); color: var(--ink); }
table.cmp td.hl { color: var(--ink); font-weight: 600; }
table.cmp tr:last-child td, table.cmp tr:last-child th { border-bottom: 0; }

/* ---------- spec grid ---------- */
.spec-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--bd); border: 1px solid var(--bd); border-radius: var(--r); overflow: hidden; }
.spec-item { background: var(--panel); padding: 22px 24px; }
.spec-item .k { font-size: 13px; color: var(--mut); letter-spacing: .04em; }
.spec-item .v { font-size: 21px; font-weight: 800; color: var(--ink); margin-top: 4px; letter-spacing: -.02em; }
.spec-item .v small { font-size: 13px; font-weight: 600; color: var(--mut); }

/* ---------- gallery ---------- */
.gallery { display: grid; gap: 18px; }
.gallery figure { margin: 0; border-radius: var(--r); overflow: hidden; border: 1px solid var(--bd); background: #000; position: relative; cursor: zoom-in; }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; display: block; }
.gallery figure:hover img { transform: scale(1.04); }
.gallery figcaption {
  position: absolute; inset: auto 0 0 0; padding: 26px 18px 14px;
  background: linear-gradient(transparent, rgba(7,11,22,.86)); color: #fff; font-size: 13.5px; font-weight: 600;
}
.gallery figcaption b { display:block; }
.gallery figcaption span { color: var(--teal); font-weight: 600; font-size: 12px; }

/* lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none; place-items: center;
  background: rgba(4,7,14,.92); padding: 28px; cursor: zoom-out;
}
.lightbox.open { display: grid; }
.lightbox img { max-width: 94vw; max-height: 90vh; border-radius: 12px; box-shadow: var(--shadow-lg); }

/* ---------- video showcase ---------- */
.video-wrap { max-width: 940px; margin: 0 auto; }
.video-wrap video {
  width: 100%; height: auto; display: block; background: #000;
  border-radius: var(--r); border: 1px solid var(--bd-dark); box-shadow: var(--shadow-lg);
}

/* ---------- contact form ---------- */
.contact-layout {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(28px, 4vw, 56px);
  max-width: 1040px; margin: 0 auto; align-items: start;
}
.contact-info { padding-top: 6px; }
.contact-list { display: grid; gap: 16px; margin-bottom: 10px; }
.contact-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--on-dark); font-size: 15px; }
.contact-list svg { width: 20px; height: 20px; flex: none; margin-top: 2px; stroke: var(--teal); }
.contact-list a { color: var(--on-dark); }
.contact-list a:hover { color: var(--teal); }

.cform { background: var(--card-dark); border: 1px solid var(--bd-dark); border-radius: var(--r); padding: clamp(22px, 3vw, 32px); }
.cform-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; color: var(--mut-dark); letter-spacing: .02em; }
.field .req { color: var(--teal); }
.cform input, .cform select, .cform textarea {
  width: 100%; font: inherit; font-size: 15px; color: var(--on-dark);
  background: rgba(255,255,255,.05); border: 1px solid var(--bd-dark); border-radius: 10px;
  padding: 11px 13px; transition: border-color .2s, box-shadow .2s, background .2s; outline: none;
}
.cform textarea { resize: vertical; min-height: 96px; }
.cform select { appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--mut-dark) 50%), linear-gradient(135deg, var(--mut-dark) 50%, transparent 50%);
  background-position: calc(100% - 18px) 18px, calc(100% - 13px) 18px; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
}
.cform option { background: var(--panel-dark); color: var(--on-dark); }
.cform input:focus, .cform select:focus, .cform textarea:focus {
  border-color: var(--teal); background: rgba(255,255,255,.07); box-shadow: 0 0 0 3px rgba(33,212,196,.15);
}
.cform input::placeholder, .cform textarea::placeholder { color: var(--mut-dark); }
.cform input.invalid, .cform textarea.invalid, .cform select.invalid { border-color: #f0728a; box-shadow: 0 0 0 3px rgba(240,114,138,.15); }

/* honeypot — hidden from real users, bots fill it */
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

.consent { display: flex; gap: 10px; align-items: flex-start; margin: 18px 0 6px; font-size: 13.5px; color: var(--mut-dark); line-height: 1.5; cursor: pointer; }
.consent input { width: 17px; height: 17px; flex: none; margin-top: 2px; accent-color: var(--teal); cursor: pointer; }

.cform .btn-primary { margin-top: 14px; }
#cf-submit[disabled] { opacity: .6; pointer-events: none; }
.form-status { margin-top: 14px; font-size: 14px; font-weight: 600; min-height: 20px; }
.form-status.ok { color: var(--teal); }
.form-status.err { color: #ff8aa0; }

/* slide-to-verify — self-hosted human check (no external captcha) */
.slider-verify { margin: 16px 0 4px; }
.sv-track {
  position: relative; height: 46px; border-radius: 10px; overflow: hidden;
  background: rgba(255,255,255,.05); border: 1px solid var(--bd-dark);
  user-select: none; -webkit-user-select: none; touch-action: none;
}
.sv-fill {
  position: absolute; top: 0; bottom: 0; left: 0; width: 0;
  background: linear-gradient(90deg, rgba(33,212,196,.22), rgba(58,123,250,.22));
  border-right: 1px solid rgba(33,212,196,.5);
}
.sv-label {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  gap: 4px; padding-left: 30px; font-size: 13.5px; font-weight: 600;
  pointer-events: none; transition: opacity .2s;
}
.sv-label-idle { color: var(--mut-dark); }
.sv-label-done { color: var(--teal); display: none; }
.sv-handle {
  position: absolute; top: 3px; left: 3px; width: 44px; height: 40px; padding: 0;
  border: 0; border-radius: 8px; cursor: grab; touch-action: none;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 9px rgba(0,0,0,.35);
}
.sv-handle:active { cursor: grabbing; }
.sv-handle svg { width: 22px; height: 22px; }
.sv-ico-ok { display: none; }
.sv-handle:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }
.slider-verify[data-state="dragging"] .sv-label-idle { opacity: .3; }
.slider-verify[data-state="done"] .sv-handle {
  left: auto; right: 3px; cursor: default;
  background: linear-gradient(135deg, #19c79a, var(--teal));
}
.slider-verify[data-state="done"] .sv-fill { width: 100%; }
.slider-verify[data-state="done"] .sv-ico-arrow { display: none; }
.slider-verify[data-state="done"] .sv-ico-ok { display: block; }
.slider-verify[data-state="done"] .sv-label-idle { display: none; }
.slider-verify[data-state="done"] .sv-label-done { display: flex; }

@media (max-width: 860px) {
  .contact-layout { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .cform-grid { grid-template-columns: 1fr; }
}

/* ---------- timeline / roadmap ---------- */
.timeline { display: grid; gap: 0; position: relative; }
.tl-item { display: grid; grid-template-columns: 130px 1fr; gap: 26px; padding: 0 0 38px; position: relative; }
.tl-item:last-child { padding-bottom: 0; }
.tl-year { font-size: 20px; font-weight: 800; color: var(--blue); }
.tl-body { border-left: 2px solid var(--bd); padding: 0 0 6px 28px; position: relative; }
.tl-body::before {
  content: ""; position: absolute; left: -8px; top: 4px; width: 14px; height: 14px; border-radius: 50%;
  background: var(--grad); box-shadow: 0 0 0 5px var(--bg);
}
.section.dark .tl-body { border-color: var(--bd-dark); }
.section.dark .tl-body::before { box-shadow: 0 0 0 5px var(--bg-dark); }
.tl-body h3 { font-size: 18px; margin-bottom: 6px; }
.tl-body p { color: var(--mut); font-size: 15px; }
.section.dark .tl-body p { color: var(--mut-dark); }
.tl-tag { display:inline-block; font-size: 12px; font-weight: 700; color: var(--teal); border:1px solid var(--bd-dark); border-radius: 999px; padding: 2px 10px; margin-top: 10px; }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; isolation: isolate; }
.cta-card {
  background: var(--grad); border-radius: var(--r-lg); padding: clamp(40px, 6vw, 70px);
  text-align: center; color: #fff; box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.cta-card h2 { color: #fff; font-size: clamp(26px, 3.6vw, 42px); }
.cta-card p { color: rgba(255,255,255,.9); max-width: 600px; margin: 16px auto 30px; font-size: 18px; }
.cta-card .btn-primary { background: #fff; color: var(--blue); box-shadow: 0 12px 30px rgba(0,0,0,.18); }
.cta-card .btn-primary:hover { color: var(--violet); }
.cta-card .btn-ghost { color: #fff; border-color: rgba(255,255,255,.55); }
.cta-card .btn-ghost:hover { background: rgba(255,255,255,.12); border-color:#fff; color:#fff; }

/* ---------- footer ---------- */
.site-footer { background: var(--bg-dark); color: var(--mut-dark); padding: 72px 0 32px; border-top: 1px solid var(--bd-dark); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
.foot-brand .brand { margin-bottom: 16px; }
.foot-slogan { color: var(--teal); font-weight: 700; font-size: 15px; margin-bottom: 10px; }
.foot-brand p { font-size: 14.5px; max-width: 300px; }
.foot-col h4 { color: #fff; font-size: 14px; letter-spacing: .04em; margin-bottom: 16px; font-weight: 700; }
.foot-col a, .foot-col li { font-size: 14.5px; color: var(--mut-dark); display: block; padding: 5px 0; transition: color .2s; }
.foot-col a:hover { color: var(--teal); }
.foot-contact li { display: flex; gap: 10px; align-items: flex-start; }
.foot-contact svg { width: 17px; height: 17px; flex: none; margin-top: 4px; stroke: var(--teal); }
.foot-bottom {
  border-top: 1px solid var(--bd-dark); margin-top: 46px; padding-top: 24px;
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: 13px;
}
.foot-bottom a:hover { color: var(--teal); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  #photon-canvas { display: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { max-width: 560px; }
  .split { grid-template-columns: 1fr; }
  .split.rev .split-media { order: 0; }
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 860px) {
  .menu-btn { display: block; }
  .nav-links {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(7,11,22,.97); backdrop-filter: blur(14px);
    padding: 12px var(--pad) 24px; border-bottom: 1px solid var(--bd-dark);
    transform: translateY(-120%); transition: transform .32s ease; max-height: calc(100vh - 72px); overflow: auto;
  }
  body.nav-open .nav-links { transform: none; }
  .nav-links a { padding: 14px 6px; font-size: 16px; border-bottom: 1px solid var(--bd-dark); border-radius: 0; }
  .nav-links a.active::after { display: none; }
  .nav-links a.active { color: var(--teal); }
  .nav-cta { display: none; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .g-2, .g-3, .g-4 { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); gap: 26px 16px; }
  .tl-item { grid-template-columns: 76px 1fr; gap: 16px; }
  .foot-grid { grid-template-columns: 1fr; }
  .card { padding: 24px; }
}