/* ZHENGMING — iOS-inspired minimal system
   White canvas, brand-blue accent, floating cards by default. */

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

:root {
  /* canvas */
  --page: #FFFFFF;
  --page-soft: #F7F8FA;      /* iOS grouped-background */
  --panel: #FFFFFF;

  /* text */
  --ink: #0B0D12;
  --muted: #63666E;
  --muted-2: #8A8D95;
  --line: #E7E8EC;
  --line-soft: #F0F1F4;

  /* brand */
  --brand: #0A66C2;
  --brand-ink: #084E96;       /* hover / small text on white */
  --brand-soft: #EAF2FB;      /* tinted surface */
  --brand-ring: rgba(10, 102, 194, .18);

  /* dark (CTA band, footer accents) */
  --dark: #0B0D12;
  --on-dark: #F5F6F8;
  --on-dark-muted: #A0A3AB;

  --success: #1B7A4B;
  --danger: #B3261E;

  /* geometry — iOS feel: generous radii, soft single-source shadows */
  --r-sm: 10px;
  --r: 16px;
  --r-lg: 22px;
  --r-xl: 28px;
  --r-pill: 980px;

  --container: 1120px;
  --gutter: 24px;
  --section-y: 96px;
  --header-h: 64px;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;

  /* floating shadow stack: tight contact + wide ambient */
  --shadow-xs: 0 1px 2px rgba(11, 13, 18, .04), 0 1px 1px rgba(11, 13, 18, .03);
  --shadow-sm: 0 2px 6px rgba(11, 13, 18, .05), 0 1px 2px rgba(11, 13, 18, .04);
  --shadow:    0 8px 24px rgba(11, 13, 18, .07), 0 2px 6px rgba(11, 13, 18, .04);
  --shadow-lg: 0 18px 48px rgba(11, 13, 18, .10), 0 6px 14px rgba(11, 13, 18, .05);
  --shadow-brand: 0 12px 32px rgba(10, 102, 194, .20), 0 2px 6px rgba(10, 102, 194, .12);

  --ease: cubic-bezier(.32, .72, 0, 1);   /* iOS-like */
  --dur: .28s;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv11", "ss01", "calt";
  text-rendering: optimizeLegibility;
}

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

/* ---------- Type ---------- */
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: -.022em; line-height: 1.1; }
h1 { font-size: clamp(36px, 5.4vw, 64px); line-height: 1.02; letter-spacing: -.034em; font-weight: 750; }
h2 { font-size: clamp(28px, 3.6vw, 44px); line-height: 1.06; letter-spacing: -.028em; }
h3 { font-size: clamp(19px, 1.8vw, 23px); line-height: 1.2; letter-spacing: -.018em; }
h4 { font-size: 17px; line-height: 1.3; letter-spacing: -.012em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
:focus-visible { outline: 3px solid var(--brand-ring); outline-offset: 2px; border-radius: 8px; }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: var(--r-sm);
  font-size: 14px; font-weight: 600; transition: top .2s var(--ease);
}
.skip-link:focus { top: 14px; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section-y) 0; }
.section--tight { padding: 56px 0; }
.section--soft { background: var(--page-soft); }
.section--dark { background: var(--dark); color: var(--on-dark); }

.section-head { max-width: 680px; margin-bottom: 40px; }
.section-head p { color: var(--muted); font-size: 18px; line-height: 1.6; margin-top: 16px; }
.section--dark .section-head p { color: var(--on-dark-muted); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 650; letter-spacing: .04em; text-transform: uppercase;
  color: var(--brand); margin-bottom: 14px;
}
.section--dark .eyebrow { color: #7FB3EA; }

.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: center; }
.split--wide { grid-template-columns: 1.02fr .98fr; }

/* ============================================================
   FLOATING SURFACE — every independent box uses this
   ============================================================ */
.card,
.rail-item,
.step,
.stat,
.region,
.case,
.form-card,
.table-wrap,
.notice,
.faq,
.contact-item,
.feature-icon,
.pill,
.media-frame {
  background: var(--panel);
  border-radius: var(--r);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.card:hover,
.rail-item:hover,
.step:hover,
.region:hover,
.case:hover,
.contact-item:hover,
.media-frame:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.step:hover, .region:hover { box-shadow: var(--shadow); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: .5px solid var(--line);
}
.header-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 12px; }

.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; min-width: 0; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--brand); color: #fff;
  display: grid; place-items: center; font-weight: 750; font-size: 18px; letter-spacing: -.02em;
  box-shadow: 0 2px 8px rgba(10, 102, 194, .28);
}
.brand-name { font-weight: 720; font-size: 18px; letter-spacing: -.02em; }
.brand-sub { display: block; font-size: 10.5px; font-weight: 550; color: var(--muted-2); letter-spacing: .06em; text-transform: uppercase; margin-top: 1px; }

.nav { display: flex; align-items: center; gap: 0; flex: 0 1 auto; }
.nav a {
  min-height: 44px; display: inline-flex; align-items: center; padding: 0 11px;
  border-radius: 11px; font-size: 14px; font-weight: 560; letter-spacing: -.012em;
  white-space: nowrap; color: var(--ink);
  transition: background .18s var(--ease), color .18s var(--ease);
}
.nav a:hover { background: var(--page-soft); }
.nav a[aria-current="page"] { color: var(--brand); background: var(--brand-soft); font-weight: 620; }

.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.icon-btn {
  width: 44px; height: 44px; border-radius: var(--r-pill); border: 0;
  background: var(--page-soft); display: grid; place-items: center; cursor: pointer;
  box-shadow: var(--shadow-xs);
  transition: background .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);
}
.icon-btn:hover { background: #EDEFF3; transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.icon-btn:active { transform: scale(.96); }
.icon-btn svg { width: 19px; height: 19px; }

/* hamburger is mobile-only (revealed in the responsive block) */
.menu-toggle { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 24px; border-radius: var(--r-pill);
  font-size: 15.5px; font-weight: 600; letter-spacing: -.012em;
  border: 0; cursor: pointer; white-space: nowrap;
  transition: transform .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease), color .2s var(--ease);
}
.btn:active { transform: scale(.975); }
.btn--primary { background: var(--brand); color: #fff; box-shadow: var(--shadow-brand); }
.btn--primary:hover { background: var(--brand-ink); transform: translateY(-2px); box-shadow: 0 16px 36px rgba(10, 102, 194, .28); }
.btn--ghost { background: var(--panel); color: var(--ink); box-shadow: var(--shadow-sm); }
.btn--ghost:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn--on-dark { background: rgba(255, 255, 255, .1); color: #fff; box-shadow: none; }
.btn--on-dark:hover { background: rgba(255, 255, 255, .18); transform: translateY(-2px); }
.btn--block { width: 100%; }
.btn svg { width: 17px; height: 17px; flex: 0 0 auto; }

/* ---------- Hero ---------- */
.hero { padding: 56px 0 72px; background: var(--page); position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -40% 40% 40% -20%;
  background: radial-gradient(closest-side, rgba(10, 102, 194, .07), transparent 70%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 460px; gap: 64px; align-items: center; position: relative; }
.hero h1 { margin-bottom: 20px; max-width: 15ch; }
.hero h1 em { font-style: normal; color: var(--brand); }
.hero-lede { font-size: 18.5px; line-height: 1.55; color: var(--muted); max-width: 46ch; margin-bottom: 28px; letter-spacing: -.008em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--brand); background: var(--brand-soft);
  font-size: 13px; font-weight: 600; padding: 8px 14px; border-radius: var(--r-pill);
  margin-bottom: 24px; box-shadow: none;
}
.pill svg { width: 15px; height: 15px; }

.trust-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding-top: 8px; }
.trust-item {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 580;
  color: var(--ink); background: var(--page-soft); border-radius: var(--r-pill);
  padding: 9px 14px;
}
.trust-item svg { width: 16px; height: 16px; color: var(--brand); flex: 0 0 auto; }
.trust-item small { font-weight: 500; color: var(--muted); }

.media-frame {
  position: relative; border-radius: var(--r-xl); overflow: hidden;
  background: var(--page-soft); box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 3;
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.hero-grid .media-frame { aspect-ratio: 448 / 380; max-height: 420px; }
.media-tag {
  position: absolute; left: 14px; bottom: 14px;
  background: rgba(11, 13, 18, .62); color: #fff;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  font-size: 11.5px; font-weight: 560; letter-spacing: 0;
  padding: 7px 12px; border-radius: var(--r-pill); display: inline-flex; align-items: center; gap: 7px;
}
.media-tag svg { width: 13px; height: 13px; opacity: .9; }

/* ---------- Cards ---------- */
.card { overflow: hidden; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-4px) scale(1.004); }
.card-media { position: relative; aspect-ratio: 4 / 3; background: var(--page-soft); overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.card:hover .card-media img { transform: scale(1.04); }
.card-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-body h3 { font-size: 20px; }
.card-body p { color: var(--muted); font-size: 15px; line-height: 1.55; letter-spacing: -.005em; }
.card-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 10px; }
.tag {
  font-size: 12px; font-weight: 560; color: var(--brand);
  background: var(--brand-soft); border-radius: var(--r-pill); padding: 4px 10px;
}
.card-link {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 4px;
  font-size: 14.5px; font-weight: 600; color: var(--brand); letter-spacing: -.008em;
}
.card-link svg { width: 15px; height: 15px; transition: transform .25s var(--ease); }
.card:hover .card-link svg { transform: translateX(4px); }

/* ---------- Category rail ---------- */
.rail { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.rail-item {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  padding: 24px 10px; min-height: 118px; text-align: center;
}
.rail-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.rail-glyph {
  width: 52px; height: 52px; border-radius: 15px; background: var(--brand-soft);
  display: grid; place-items: center; color: var(--brand);
  transition: background .2s var(--ease), color .2s var(--ease);
}
.rail-item:hover .rail-glyph { background: var(--brand); color: #fff; }
.rail-glyph svg { width: 24px; height: 24px; }
.rail-item span:last-child { font-size: 13.5px; font-weight: 600; line-height: 1.3; letter-spacing: -.01em; }

/* ---------- Feature rows ---------- */
.feature { display: flex; gap: 16px; align-items: flex-start; }
.feature-icon {
  width: 44px; height: 44px; flex: 0 0 auto; border-radius: 13px;
  background: var(--brand-soft); color: var(--brand);
  display: grid; place-items: center; box-shadow: none;
}
.feature-icon svg { width: 21px; height: 21px; }
.feature h4 { margin-bottom: 5px; }
.feature p { color: var(--muted); font-size: 15px; line-height: 1.55; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; counter-reset: s; }
.step { position: relative; padding: 28px 24px 26px; }
.step::before {
  counter-increment: s; content: "0" counter(s);
  font-size: 12.5px; font-weight: 700; letter-spacing: .06em; color: var(--brand);
  display: block; margin-bottom: 12px;
}
.step h4 { margin-bottom: 7px; }
.step p { color: var(--muted); font-size: 14.5px; line-height: 1.6; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.stat { padding: 26px 24px; }
.stat:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.stat-value { font-size: clamp(24px, 2.6vw, 32px); font-weight: 720; letter-spacing: -.03em; line-height: 1.1; color: var(--ink); }
.stat-value.is-tbc { color: var(--muted-2); font-weight: 600; font-size: clamp(17px, 1.6vw, 21px); letter-spacing: -.01em; }
.stat-label { font-size: 13px; color: var(--muted); margin-top: 8px; font-weight: 500; line-height: 1.45; }
.section--dark .stat { background: #14171D; box-shadow: none; }
.section--dark .stat-label { color: var(--on-dark-muted); }
.tbc-note { font-size: 12.5px; color: var(--muted); margin-top: 18px; display: flex; gap: 8px; align-items: flex-start; line-height: 1.55; }
.tbc-note svg { width: 15px; height: 15px; flex: 0 0 auto; margin-top: 2px; color: var(--muted-2); }

/* ---------- Case ---------- */
.case { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; border-radius: var(--r-lg); }
.case-media { position: relative; min-height: 320px; background: var(--page-soft); }
.case-media img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.case-body { padding: 40px; display: flex; flex-direction: column; justify-content: center; gap: 14px; }
.case-body .flag { font-size: 12px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; color: var(--brand); }
.case-body p { color: var(--muted); font-size: 15px; }

/* ---------- Regions ---------- */
.regions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.region { padding: 28px; border-radius: var(--r-lg); }
.region h4 { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.region h4 svg { width: 18px; height: 18px; color: var(--brand); }
.region ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 14.5px; line-height: 1.95; }

/* ---------- FAQ ---------- */
.faq { border-radius: var(--r-lg); overflow: hidden; }
.faq details { border-bottom: .5px solid var(--line-soft); }
.faq details:last-child { border-bottom: 0; }
.faq summary {
  list-style: none; cursor: pointer; padding: 22px 56px 22px 24px; position: relative;
  font-weight: 600; font-size: 16.5px; letter-spacing: -.012em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { background: #FBFBFC; }
.faq summary::after {
  content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%);
  font-size: 22px; font-weight: 400; color: var(--brand); line-height: 1;
  transition: transform .28s var(--ease);
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq .faq-answer { padding: 0 56px 24px 24px; color: var(--muted); font-size: 15.5px; line-height: 1.65; }

/* ---------- Forms ---------- */
.form-card { border-radius: var(--r-xl); padding: 36px; box-shadow: var(--shadow-lg); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 600; letter-spacing: -.005em; }
.field label .req { color: var(--brand); }
.field input, .field select, .field textarea {
  min-height: 48px; padding: 13px 16px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--page-soft); font-size: 15px;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease);
  -webkit-appearance: none; appearance: none;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2363666E' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 17px;
  padding-right: 42px;
}
.field textarea { min-height: 128px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; background: #fff; border-color: var(--brand); box-shadow: 0 0 0 4px var(--brand-ring);
}
.field .hint { font-size: 12.5px; color: var(--muted); }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 16px; line-height: 1.6; }
.form-status { margin-top: 16px; padding: 14px 16px; border-radius: 12px; font-size: 14px; display: none; line-height: 1.55; }
.form-status.is-ok { display: block; background: #EDF7F1; color: var(--success); }
.form-status.is-err { display: block; background: #FDF1F0; color: var(--danger); }
.checkbox { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; color: var(--muted); line-height: 1.55; }
.checkbox input { width: 18px; height: 18px; margin-top: 2px; flex: 0 0 auto; accent-color: var(--brand); }

/* honeypot: kept out of sight and out of the tab order */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.hp-field label { display: block; }

.contact-list { display: flex; flex-direction: column; gap: 12px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px; border-radius: var(--r); }
.contact-item:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.contact-item > svg { width: 20px; height: 20px; color: var(--brand); flex: 0 0 auto; margin-top: 2px; }
.contact-item strong { display: block; font-size: 14px; font-weight: 620; margin-bottom: 3px; letter-spacing: -.008em; }
.contact-item span { color: var(--muted); font-size: 14.5px; }

/* ---------- Page header ---------- */
.page-head { padding: 56px 0 48px; background: var(--page); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 13px; color: var(--muted-2); margin-bottom: 18px; }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb svg { width: 12px; height: 12px; opacity: .55; }
.page-head h1 { font-size: clamp(32px, 4.2vw, 52px); max-width: 20ch; }
.page-head p { color: var(--muted); font-size: 18.5px; max-width: 62ch; margin-top: 16px; line-height: 1.6; letter-spacing: -.008em; }

/* ---------- Spec table ---------- */
.table-wrap { border-radius: var(--r-lg); overflow: hidden; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.spec-table th, .spec-table td { text-align: left; padding: 16px 20px; vertical-align: top; border-bottom: .5px solid var(--line-soft); }
.spec-table thead th { font-size: 12px; font-weight: 650; letter-spacing: .05em; text-transform: uppercase; color: var(--muted-2); background: #FAFAFB; }
.spec-table tbody th { font-weight: 600; width: 36%; color: var(--ink); letter-spacing: -.005em; }
.spec-table td { color: var(--muted); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table tbody tr:hover { background: #FCFCFD; }

/* ---------- Notice ---------- */
.notice {
  display: flex; gap: 14px; padding: 18px 20px; border-radius: var(--r);
  background: var(--brand-soft); font-size: 14px; line-height: 1.6;
  box-shadow: none;
}
.notice > svg { width: 20px; height: 20px; color: var(--brand); flex: 0 0 auto; margin-top: 1px; }
.notice strong { color: var(--brand-ink); font-weight: 650; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--dark); color: var(--on-dark); padding: 72px 0; }
.cta-band .inner { display: flex; align-items: center; justify-content: space-between; gap: 44px; flex-wrap: wrap; }
.cta-band h2 { color: var(--on-dark); max-width: 20ch; font-size: clamp(28px, 3.2vw, 40px); }
.cta-band p { color: var(--on-dark-muted); margin-top: 14px; max-width: 48ch; font-size: 16.5px; }
.cta-band .actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer { background: var(--page-soft); padding: 64px 0 32px; border-top: .5px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 44px; }
.footer-brand .brand-name { font-size: 18px; }
.footer-brand .brand-sub { color: var(--muted-2); }
.footer-brand p { color: var(--muted); font-size: 14px; margin-top: 16px; max-width: 34ch; line-height: 1.65; }
.footer-col h5 {
  font-size: 11.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--muted-2);
  font-weight: 650; margin: 0 0 12px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0; }
.footer-col a {
  display: inline-flex; align-items: center; min-height: 38px; font-size: 14px; color: var(--ink);
  transition: color .18s var(--ease), transform .18s var(--ease);
}
.footer-col a:hover { color: var(--brand); transform: translateX(2px); }
.footer-bottom {
  margin-top: 44px; padding-top: 24px; border-top: .5px solid var(--line);
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--muted-2);
}
.footer-bottom a:hover { color: var(--brand); }

/* ---------- Utilities ---------- */
.muted { color: var(--muted); }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.center { text-align: center; }
.stack-16 > * + * { margin-top: 16px; }
.img-missing { display: none; }
.fallback-label {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 10px; text-align: center;
  padding: 24px; font-size: 12.5px; font-weight: 600; letter-spacing: .03em;
  text-transform: uppercase; color: var(--muted-2); background: var(--page-soft);
}
.fallback-label svg { width: 26px; height: 26px; opacity: .45; }
[hidden] { display: none !important; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em;
  background: var(--page-soft); padding: 2px 6px; border-radius: 6px; border: .5px solid var(--line);
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) 400px; gap: 40px; }
  .rail { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1020px) and (min-width: 861px) {
  .nav a { padding: 0 9px; font-size: 13.5px; }
  .brand-sub { display: none; }
}

@media (max-width: 860px) {
  :root { --section-y: 64px; }
  .header-inner { height: 60px; }
  .menu-toggle { display: grid; }
  .nav {
    position: fixed; inset: 60px 0 auto 0; flex-direction: column; align-items: stretch;
    background: rgba(255, 255, 255, .97);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: .5px solid var(--line); padding: 10px var(--gutter) 22px;
    gap: 2px; box-shadow: var(--shadow-lg);
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform .3s var(--ease), opacity .3s var(--ease);
  }
  .nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav a { min-height: 48px; font-size: 16.5px; padding: 0 14px; border-radius: 12px; }
  .header-actions .btn { display: none; }
  .hero { padding: 44px 0 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero h1 { max-width: none; }
  .hero-lede { font-size: 17.5px; }
  .media-frame { aspect-ratio: 4 / 3; border-radius: var(--r-lg); }
  .split, .case { grid-template-columns: 1fr; }
  .split { gap: 32px; }
  .case-media { min-height: 230px; }
  .case-body { padding: 28px; }
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
  .rail { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .rail-item { min-height: 110px; padding: 20px 8px; }
  .steps, .stats { grid-template-columns: 1fr 1fr; }
  .regions { grid-template-columns: 1fr; }
  .form-card { padding: 24px; border-radius: var(--r-lg); }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 4px; }
  .footer-col { border-top: .5px solid var(--line); padding-top: 10px; }
  .cta-band .inner { flex-direction: column; align-items: flex-start; }
  .cta-band { padding: 56px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head p { font-size: 16.5px; }
  .page-head { padding: 36px 0 32px; }
  .page-head p { font-size: 16.5px; }
  .faq .faq-answer, .faq summary { padding-left: 20px; padding-right: 52px; }
}

@media (max-width: 520px) {
  .steps, .stats, .grid--4 { grid-template-columns: 1fr; }
  .hero-actions .btn { flex: 1 1 100%; }
  .brand-sub { display: none; }
  .spec-table th, .spec-table td { padding: 14px; }
  .spec-table tbody th { width: 44%; }
}

.nav-lang {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 28px;
  padding: 0 8px;
  margin-left: 4px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--brand, #0A66C2);
  border: 1px solid rgba(10, 102, 194, .35);
  border-radius: 999px;
  text-decoration: none;
}

.nav-lang:hover { background: rgba(10, 102, 194, .08); }