/* ==========================================================================
   Peison IntelliPod — Design System
   Reference aesthetic: manamuz.com (minimalist, deep-teal + white, pill CTAs)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

:root {
  /* Brand palette */
  --teal-950: #062525;
  --teal-900: #0a3a3a;
  --teal-800: #0b4343;
  --teal-700: #0d4a4a;
  --teal-600: #12605c;
  --teal-500: #17807a;
  --teal-400: #2aa79f;
  --teal-300: #63c7c0;
  --teal-100: #d6eeec;
  --teal-50:  #eef7f6;

  --sand-500: #c9a227;   /* accent, energy/solar */
  --sand-400: #e0b93c;

  --white: #ffffff;
  --ink-900: #101a1a;
  --ink-700: #2b3a3a;
  --ink-500: #5a6b6b;
  --ink-300: #9aa8a8;
  --line: #e4eceb;
  --bg-soft: #f6faf9;
  --bg-alt: #f0f6f5;

  --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;

  --container: 1200px;
  --container-wide: 1360px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --shadow-sm: 0 2px 10px rgba(10, 58, 58, .06);
  --shadow-md: 0 10px 30px rgba(10, 58, 58, .10);
  --shadow-lg: 0 24px 60px rgba(10, 58, 58, .16);

  --ease: cubic-bezier(.22,.61,.36,1);
  --header-h: 76px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--ink-700);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1,h2,h3,h4,h5 { margin: 0 0 .6em; color: var(--ink-900); line-height: 1.22; font-weight: 700; letter-spacing: -.015em; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }

/* ---------- Layout ---------- */
.container { width: min(100% - 44px, var(--container)); margin-inline: auto; }
.container-wide { width: min(100% - 44px, var(--container-wide)); margin-inline: auto; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-alt { background: var(--bg-soft); }
.section-dark { background: var(--teal-900); color: var(--teal-100); }
.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 { color: var(--white); }
.grid { display: grid; gap: 28px; }
.g-2 { grid-template-columns: repeat(2, 1fr); }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Section heading ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--teal-500); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--teal-400); border-radius: 2px; }
.section-dark .eyebrow { color: var(--teal-300); }
.section-dark .eyebrow::before { background: var(--teal-300); }
.section-title { font-size: clamp(28px, 3.4vw, 44px); margin-bottom: 18px; }
.section-lede { font-size: 18px; color: var(--ink-500); max-width: 720px; }
.section-dark .section-lede { color: var(--teal-100); opacity: .85; }
.section-head-center { text-align: center; }
.section-head-center .section-lede { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 30px; border-radius: var(--radius-pill);
  font-size: 15px; font-weight: 600; border: 1.5px solid transparent;
  transition: transform .25s var(--ease), background .25s, color .25s, box-shadow .25s, border-color .25s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--teal-800); color: var(--white); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--teal-600); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.btn-accent { background: var(--sand-500); color: #2a2205; }
.btn-accent:hover { background: var(--sand-400); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost { border-color: rgba(255,255,255,.45); color: var(--white); }
.btn-ghost:hover { background: rgba(255,255,255,.12); border-color: var(--white); }
.btn-outline { border-color: var(--teal-300); color: var(--teal-700); }
.btn-outline:hover { background: var(--teal-700); color: var(--white); }
.btn-sm { padding: 10px 22px; font-size: 14px; }
.btn-lg { padding: 17px 40px; font-size: 16.5px; }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 900;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 24px rgba(10,58,58,.06); }
.header-inner {
  height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 11px; flex: none;
  background: linear-gradient(140deg, var(--teal-500), var(--teal-900));
  display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 17px;
  box-shadow: var(--shadow-sm);
}
.brand-text { line-height: 1.12; }
.brand-name { font-size: 18px; font-weight: 800; letter-spacing: .02em; color: var(--ink-900); display: block; }
.brand-sub { font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-300); display: block; }

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 9px 14px; font-size: 14.5px; font-weight: 500; color: var(--ink-700);
  border-radius: 9px; transition: color .2s, background .2s; position: relative;
}
.nav a:hover { color: var(--teal-600); background: var(--teal-50); }
.nav a.active { color: var(--teal-700); font-weight: 600; }
.nav a.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 2px;
  background: var(--teal-400); border-radius: 2px;
}
.header-actions { display: flex; align-items: center; gap: 14px; }

/* language switch */
.lang-switch {
  display: inline-flex; background: var(--bg-alt); border-radius: var(--radius-pill); padding: 3px; position: relative;
  border: 1px solid var(--line);
}
.lang-switch button {
  border: 0; background: transparent; padding: 6px 15px; border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 600; color: var(--ink-500); transition: color .2s, background .25s;
  position: relative; z-index: 1; letter-spacing: .02em;
}
.lang-switch button.active { background: var(--white); color: var(--teal-700); box-shadow: var(--shadow-sm); }
.lang-switch .slider {
  position: absolute; top: 3px; bottom: 3px; border-radius: var(--radius-pill);
  background: var(--white); box-shadow: var(--shadow-sm); transition: all .32s var(--ease); z-index: 0;
}
.lang-switch.lang-en .slider { }

.nav-toggle { display: none; border: 0; background: transparent; padding: 8px; border-radius: 9px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink-900); margin: 5px 0; border-radius: 2px; transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background: var(--teal-900); color: var(--white); overflow: hidden; padding: calc(var(--header-h) + 60px) 0 90px;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg video, .hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(1100px 620px at 78% 18%, rgba(42,167,159,.34), transparent 62%),
    radial-gradient(900px 520px at 8% 92%, rgba(23,128,122,.30), transparent 60%),
    linear-gradient(180deg, rgba(6,37,37,.86) 0%, rgba(6,37,37,.80) 55%, rgba(6,37,37,.94) 100%);
}
.hero-inner { position: relative; z-index: 2; max-width: 940px; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 16px; border-radius: var(--radius-pill);
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.20);
  font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; font-weight: 600; margin-bottom: 26px;
  color: var(--teal-100);
}
.hero-kicker .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--teal-300); box-shadow: 0 0 0 4px rgba(99,199,192,.25); }
.hero h1 { font-size: clamp(38px, 5.6vw, 72px); color: #fff; margin-bottom: 6px; letter-spacing: -.03em; }
.hero h2 {
  font-size: clamp(20px, 2.3vw, 30px); font-weight: 500; color: var(--teal-300); margin-bottom: 8px; letter-spacing: -.01em;
}
.hero .hero-en { font-size: clamp(13px, 1.3vw, 16px); letter-spacing: .22em; text-transform: uppercase; color: rgba(255,255,255,.55); margin-bottom: 26px; }
.hero-slogan { font-size: clamp(20px, 2.1vw, 27px); font-weight: 600; color: #fff; margin: 22px 0 16px; }
.hero-lede { font-size: 17.5px; color: rgba(255,255,255,.82); max-width: 700px; margin-bottom: 36px; }
.hero-stats { display: flex; gap: 48px; flex-wrap: wrap; margin-top: 60px; padding-top: 34px; border-top: 1px solid rgba(255,255,255,.16); }
.hero-stat .num { font-size: 32px; font-weight: 700; color: #fff; letter-spacing: -.02em; }
.hero-stat .num small { font-size: 16px; color: var(--teal-300); font-weight: 600; margin-left: 2px; }
.hero-stat .lbl { font-size: 13.5px; color: rgba(255,255,255,.62); }

/* ---------- Cards ---------- */
.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px 30px; transition: transform .32s var(--ease), box-shadow .32s, border-color .32s;
  height: 100%; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--teal-100); }
.card-icon {
  width: 54px; height: 54px; border-radius: 15px; display: grid; place-items: center; margin-bottom: 20px;
  background: var(--teal-50); color: var(--teal-600); font-size: 24px;
}
.card h3 { font-size: 20px; margin-bottom: 12px; }
.card p { color: var(--ink-500); font-size: 15.5px; margin-bottom: 0; }
.card .card-en { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--teal-400); font-weight: 600; margin-bottom: 8px; }

.card-media { overflow: hidden; border-radius: var(--radius-lg); border: 1px solid var(--line); background: var(--white); height: 100%; display: flex; flex-direction: column; transition: transform .32s var(--ease), box-shadow .32s; }
.card-media:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.card-media .thumb { height: 176px; background: linear-gradient(135deg, var(--teal-800), var(--teal-500)); position: relative; overflow: hidden; }
.card-media .thumb.v2 { background: linear-gradient(135deg, var(--teal-700), var(--teal-300)); }
.card-media .thumb.v3 { background: linear-gradient(135deg, var(--teal-950), var(--teal-600)); }
.card-media .thumb.v4 { background: linear-gradient(135deg, #12605c, #2aa79f 90%); }
.card-media .thumb .ico { position: absolute; inset: 0; display: grid; place-items: center; font-size: 46px; color: rgba(255,255,255,.92); }
.card-media .thumb::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px); background-size: 16px 16px; opacity: .5; }
.card-media .body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.card-media h3 { font-size: 19px; margin-bottom: 9px; }
.card-media p { font-size: 15px; color: var(--ink-500); flex: 1; }
.card-media .more { font-size: 14px; font-weight: 600; color: var(--teal-600); display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; }
.card-media .more::after { content: "→"; transition: transform .25s; }
.card-media:hover .more::after { transform: translateX(4px); }

/* tag list */
.tags { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 4px; }
.tag {
  font-size: 13px; padding: 7px 14px; border-radius: var(--radius-pill);
  background: var(--teal-50); color: var(--teal-700); font-weight: 500; border: 1px solid var(--teal-100);
  transition: background .2s, color .2s;
}
.tag:hover { background: var(--teal-700); color: #fff; }
.section-dark .tag { background: rgba(255,255,255,.08); color: var(--teal-100); border-color: rgba(255,255,255,.14); }

/* capability list (checkmarks) */
.feature-list li { display: flex; gap: 12px; margin-bottom: 14px; font-size: 15.5px; color: var(--ink-700); }
.feature-list li::before {
  content: "✓"; flex: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--teal-50); color: var(--teal-600); font-size: 12px; font-weight: 700;
  display: grid; place-items: center; margin-top: 3px;
}
.section-dark .feature-list li { color: var(--teal-100); }
.section-dark .feature-list li::before { background: rgba(99,199,192,.16); color: var(--teal-300); }

/* spec table */
.spec-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.spec-table th, .spec-table td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { font-weight: 600; color: var(--ink-900); background: var(--bg-soft); width: 34%; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }

/* two-col split */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: center; }
.split.reverse { grid-template-columns: 1fr 1.05fr; }
.split.reverse .split-media { order: -1; }
.split-media {
  border-radius: var(--radius-lg); overflow: hidden; min-height: 340px;
  background: linear-gradient(135deg, var(--teal-800), var(--teal-500));
  position: relative; box-shadow: var(--shadow-md);
}
.split-media .ico { position: absolute; inset: 0; display: grid; place-items: center; font-size: 84px; color: rgba(255,255,255,.9); }
.split-media::after { content:""; position:absolute; inset:0; background-image: radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px); background-size: 18px 18px; }

/* timeline */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.timeline-item { position: relative; padding-bottom: 40px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -34px; top: 5px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--white); border: 3px solid var(--teal-400);
}
.timeline-item .yr { font-size: 13px; font-weight: 700; letter-spacing: .08em; color: var(--teal-500); text-transform: uppercase; }
.timeline-item h4 { font-size: 19px; margin: 6px 0 8px; }
.timeline-item p { color: var(--ink-500); font-size: 15.5px; margin: 0; }

/* counters */
.counters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.counter .num { font-size: clamp(34px, 4vw, 52px); font-weight: 800; color: var(--teal-600); letter-spacing: -.03em; line-height: 1; }
.counter .num small { font-size: .5em; color: var(--teal-400); }
.counter .lbl { margin-top: 10px; font-size: 14.5px; color: var(--ink-500); }
.section-dark .counter .num { color: var(--teal-300); }
.section-dark .counter .lbl { color: rgba(255,255,255,.7); }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 54px; align-items: start; }
.info-item { display: flex; gap: 16px; margin-bottom: 26px; }
.info-item .ic { width: 46px; height: 46px; border-radius: 13px; flex: none; background: var(--teal-50); color: var(--teal-600); display: grid; place-items: center; font-size: 19px; }
.info-item .t { font-size: 13px; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-300); font-weight: 600; }
.info-item .v { font-size: 16px; color: var(--ink-900); font-weight: 500; }

.form-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 38px; box-shadow: var(--shadow-sm); }
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 14px; font-weight: 600; color: var(--ink-900); margin-bottom: 8px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--line); border-radius: 12px;
  font-family: inherit; font-size: 15px; color: var(--ink-900); background: var(--bg-soft);
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 0; border-color: var(--teal-400); background: var(--white); box-shadow: 0 0 0 4px rgba(42,167,159,.12);
}
.field textarea { min-height: 118px; resize: vertical; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.check {
  display: flex; align-items: center; gap: 10px; padding: 12px 15px; border: 1.5px solid var(--line);
  border-radius: 12px; cursor: pointer; font-size: 14.5px; transition: border-color .2s, background .2s; background: var(--bg-soft);
}
.check:hover { border-color: var(--teal-300); }
.check input { width: 17px; height: 17px; accent-color: var(--teal-600); }
.check.checked { border-color: var(--teal-400); background: var(--teal-50); }

.form-note { font-size: 13.5px; color: var(--ink-300); margin-top: 14px; }
.form-success {
  display: none; padding: 16px 20px; border-radius: 12px; background: var(--teal-50);
  border: 1px solid var(--teal-100); color: var(--teal-700); font-size: 15px; font-weight: 500; margin-bottom: 20px;
}
.form-success.show { display: block; }

/* CTA band */
.cta-band { background: linear-gradient(135deg, var(--teal-900), var(--teal-600)); color: #fff; border-radius: var(--radius-lg); padding: 58px 54px; text-align: center; position: relative; overflow: hidden; }
.cta-band::after { content:""; position:absolute; inset:0; background-image: radial-gradient(rgba(255,255,255,.10) 1px, transparent 1px); background-size: 20px 20px; }
.cta-band h2 { color: #fff; font-size: clamp(26px,3vw,38px); position: relative; }
.cta-band p { color: rgba(255,255,255,.85); max-width: 620px; margin-inline: auto; position: relative; }
.cta-band .btn-row { justify-content: center; position: relative; margin-top: 8px; }

/* page hero (inner pages) */
.page-hero { background: var(--teal-900); color: #fff; padding: calc(var(--header-h) + 78px) 0 78px; position: relative; overflow: hidden; }
.page-hero::after { content:""; position:absolute; inset:0; background: radial-gradient(900px 460px at 82% 10%, rgba(42,167,159,.32), transparent 60%); }
.page-hero .inner { position: relative; z-index: 1; max-width: 800px; }
.page-hero h1 { color: #fff; font-size: clamp(32px,4vw,54px); }
.page-hero p { color: rgba(255,255,255,.8); font-size: 18px; margin: 0; }
.breadcrumb { font-size: 13.5px; color: var(--teal-300); margin-bottom: 18px; letter-spacing: .04em; }

/* footer */
.site-footer { background: var(--teal-950); color: rgba(255,255,255,.7); padding: 76px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.4fr; gap: 44px; padding-bottom: 54px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { font-size: 14.5px; color: rgba(255,255,255,.6); margin-top: 16px; max-width: 320px; }
.footer-col h5 { color: #fff; font-size: 14px; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 20px; }
.footer-col a { display: block; font-size: 14.5px; color: rgba(255,255,255,.66); padding: 6px 0; transition: color .2s, padding-left .2s; }
.footer-col a:hover { color: var(--teal-300); padding-left: 4px; }
.newsletter { display: flex; gap: 8px; margin-top: 14px; }
.newsletter input { flex: 1; padding: 12px 16px; border-radius: 11px; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.06); color: #fff; font-family: inherit; font-size: 14px; }
.newsletter input::placeholder { color: rgba(255,255,255,.4); }
.newsletter input:focus { outline: 0; border-color: var(--teal-400); }
.newsletter button { padding: 12px 20px; border-radius: 11px; border: 0; background: var(--teal-500); color: #fff; font-weight: 600; font-size: 14px; }
.newsletter button:hover { background: var(--teal-400); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 26px 0; font-size: 13.5px; color: rgba(255,255,255,.5); flex-wrap: wrap; }
.footer-bottom a { color: rgba(255,255,255,.6); }
.footer-bottom a:hover { color: var(--teal-300); }

/* reveal animation */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* lang fade */
body.lang-fading main, body.lang-fading .site-footer, body.lang-fading .site-header { opacity: .35; transition: opacity .18s; }

/* mobile drawer */
.drawer {
  position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px); background: var(--white); z-index: 1000;
  transform: translateX(100%); transition: transform .35s var(--ease), visibility .35s; padding: 26px; display: flex; flex-direction: column; gap: 4px;
  box-shadow: -20px 0 60px rgba(10,58,58,.18); overflow-y: auto; visibility: hidden;
}
.drawer.open { transform: none; visibility: visible; }
.drawer a { padding: 14px 8px; font-size: 17px; font-weight: 500; border-bottom: 1px solid var(--line); color: var(--ink-900); }
.drawer a.active { color: var(--teal-600); font-weight: 700; }
.drawer .drawer-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.drawer .close { border: 0; background: var(--bg-alt); width: 38px; height: 38px; border-radius: 10px; font-size: 20px; color: var(--ink-700); }
.overlay { position: fixed; inset: 0; background: rgba(6,37,37,.5); z-index: 999; opacity: 0; pointer-events: none; transition: opacity .35s; }
.overlay.open { opacity: 1; pointer-events: auto; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .g-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 900px) {
  .nav, .header-actions .btn { display: none; }
  .nav-toggle { display: block; }
  .g-3 { grid-template-columns: repeat(2, 1fr); }
  .split, .split.reverse { grid-template-columns: 1fr; gap: 36px; }
  .split.reverse .split-media { order: 0; }
  .counters { grid-template-columns: repeat(2, 1fr); gap: 34px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  :root { --header-h: 66px; }
  .header-inner { gap: 12px; }
  .brand-sub { display: none; }
  .brand-name { font-size: 16px; }
  .brand-mark { width: 34px; height: 34px; font-size: 15px; }
  .lang-switch button { padding: 6px 11px; font-size: 12.5px; }
  .section { padding: 66px 0; }
  .g-2, .g-3, .g-4 { grid-template-columns: 1fr; }
  .field-row, .check-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 26px; }
  .hero { min-height: auto; padding: calc(var(--header-h) + 54px) 0 70px; }
  .form-card { padding: 26px; }
  .cta-band { padding: 42px 26px; }
  .footer-bottom { justify-content: center; text-align: center; }
}