/* Chuixueyun (吹雪云) Mirror Site — style.css
   Winter / blizzard theme: ice-blue + frost-white, faceted crystal geometry.
   Distinct from sibling sites: hexagon icon holders, cut-corner "ice-cut" CTAs,
   cold polar-night footer, frost dot-lattice texture — no rounded-pill softness. */
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css');

:root {
  --primary: #38bdf8;
  --primary-dark: #0284c7;
  --primary-deep: #0c4a6e;
  --accent: #67e8f9;
  --accent-dark: #06b6d4;
  --frost: #e0f2fe;
  --dark: #081b2c;
  --header-bg: #ffffff;
  --bg: #FFFFFF;
  --surface: #f0f9ff;
  --surface-2: #e0f7fa;
  --text: #0c2a3d;
  --text-muted: #547486;
  --green: #10b981;
  --red: #e11d48;
  --border: #dce9f2;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --cut: 14px;
  --shadow-card: 0 4px 20px rgba(56,189,248,.12), 0 1px 3px rgba(12,42,61,.06);
  --shadow-lg: 0 18px 46px rgba(56,189,248,.20);
  --transition: 0.2s ease;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 48px;
  --space-xl: 80px;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: hidden; max-width: 100%; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, Helvetica, sans-serif; font-size: 16px; line-height: 1.6; color: var(--text); background: var(--bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4 { margin-top: 0; line-height: 1.25; letter-spacing: -0.3px; }

/* frost dot-lattice texture, used as a background-image on hero/page-hero/footer */
:root { --frost-dots: radial-gradient(circle, rgba(56,189,248,.16) 1px, transparent 1.4px); }

/* ─── HEADER (light) ─── */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center;
  padding: 0 var(--space-sm);
  height: 68px; gap: var(--space-sm);
}
.brand { display: flex; align-items: center; flex-shrink: 0; }
.logo { height: 32px; width: auto; max-width: 200px; object-fit: contain; }

.nav-links {
  display: flex; align-items: center; gap: 4px;
  flex: 1; justify-content: center;
}
.nav-links > li > a {
  color: var(--text); font-size: 14px; font-weight: 600;
  padding: 8px 14px; border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}
.nav-links > li > a:hover { color: var(--primary-dark); background: var(--surface); text-decoration: none; }

.nav-right {
  display: flex; align-items: center; gap: var(--space-sm);
  flex-shrink: 0; margin-left: auto;
}

.mobile-lang { display: none; }

/* ─── DROPDOWN / LANGUAGE SWITCHER ─── */
.dropdown { position: relative; }
.dropdown-panel {
  position: absolute; top: 100%; right: 0;
  margin-top: 0; padding-top: 8px;
  display: none; min-width: 160px; z-index: 1000;
  transform-origin: top right;
}
.dropdown-panel-inner {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.dropdown:hover .dropdown-panel,
.dropdown:focus-within .dropdown-panel,
.dropdown.open .dropdown-panel {
  display: block;
  animation: dropdownIn 180ms var(--ease-out);
}
@keyframes dropdownIn {
  from { opacity: 0; transform: scale(.95) translateY(-6px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.dropdown-panel a {
  display: block; padding: 10px 16px;
  color: var(--text); font-size: 14px;
  transition: background var(--transition);
  white-space: nowrap;
}
.dropdown-panel a:hover { background: var(--surface); text-decoration: none; }

.lang-btn {
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); padding: 7px 14px;
  border-radius: var(--radius-sm); cursor: pointer;
  font-size: 13px; display: flex; align-items: center; gap: 6px;
  transition: border-color var(--transition), background var(--transition);
}
.lang-btn:hover { border-color: var(--primary); background: #fff; }
.lang-btn i { font-size: 11px; color: var(--primary-dark); }

/* ─── CTA BUTTON — "ice-cut" faceted corners, not pills ─── */
.btn-cta {
  background: var(--primary); color: #fff;
  padding: 10px 22px;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  font-size: 14px; font-weight: 700;
  transition: background 180ms var(--ease-out), transform 160ms var(--ease-out), box-shadow 180ms var(--ease-out);
  white-space: nowrap; display: inline-block;
  box-shadow: 0 2px 10px rgba(56,189,248,.32);
}
@media (hover: hover) and (pointer: fine) {
  .btn-cta:hover { background: var(--primary-dark); text-decoration: none; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(56,189,248,.40); }
}
.btn-cta:active { transform: scale(.97); transition-duration: 100ms; }

.btn-cta-lg {
  background: var(--primary); color: #fff;
  padding: 17px 38px;
  --cut: 18px;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
  font-size: 18px; font-weight: 700;
  display: inline-block;
  transition: background 180ms var(--ease-out), transform 160ms var(--ease-out), box-shadow 180ms var(--ease-out);
  box-shadow: 0 6px 20px rgba(56,189,248,.32);
}
@media (hover: hover) and (pointer: fine) {
  .btn-cta-lg:hover { background: var(--primary-dark); text-decoration: none; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(56,189,248,.40); }
}
.btn-cta-lg:active { transform: scale(.97); transition-duration: 100ms; }

.btn-outline {
  border: 2px solid var(--primary); color: var(--primary-dark);
  padding: 9px 20px;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  font-size: 14px; font-weight: 700; display: inline-block;
  transition: background 180ms var(--ease-out), color 180ms var(--ease-out), transform 160ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .btn-outline:hover { background: var(--primary); color: #fff; text-decoration: none; }
}
.btn-outline:active { transform: scale(.97); }

/* ─── HAMBURGER ─── */
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  color: var(--text); font-size: 22px; padding: 6px;
  order: 99;
}

/* ─── HERO ─── */
.hero {
  background:
    var(--frost-dots) 0 0/22px 22px,
    linear-gradient(180deg, #eaf7ff 0%, #ffffff 68%);
  position: relative; overflow: hidden;
  display: flex; align-items: center; gap: var(--space-xl);
  padding: var(--space-xl) var(--space-lg);
}
.hero::before {
  content: '';
  position: absolute; top: -130px; right: -110px; width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(103,232,249,.22) 0%, rgba(103,232,249,0) 70%);
  border-radius: 50%; pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; bottom: -150px; left: -100px; width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(56,189,248,.16) 0%, rgba(56,189,248,0) 70%);
  border-radius: 50%; pointer-events: none;
}
.hero-inner { flex: 1; min-width: 0; position: relative; z-index: 1; }
.hero-img { flex: 1; min-width: 0; position: relative; z-index: 1; }
.hero-img img { width: 100%; height: auto; max-height: 420px; object-fit: contain; }

.badge {
  display: inline-block;
  background: rgba(103,232,249,.18); border: 1px solid rgba(6,182,212,.4);
  color: var(--accent-dark); padding: 6px 16px;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  font-size: 13px; font-weight: 700; margin-bottom: var(--space-sm);
}
.hero h1 { font-size: clamp(28px, 3.4vw, 48px); font-weight: 800; margin-bottom: var(--space-sm); color: var(--text); letter-spacing: -0.5px; }
.hero-inner > p { font-size: clamp(15px, 1.6vw, 18px); color: var(--text-muted); margin-bottom: var(--space-md); max-width: 520px; }
.hero-cta { margin-bottom: var(--space-sm); }
.hero-note { font-size: 13px; color: var(--text-muted); margin: 0; }
.hero-note i { color: var(--accent-dark); margin-right: 4px; }

/* hero entrance — occasional, first paint only */
.hero .badge   { animation: heroUp 560ms var(--ease-out) both; }
.hero h1       { animation: heroUp 560ms var(--ease-out) 70ms both; }
.hero-inner>p  { animation: heroUp 560ms var(--ease-out) 140ms both; }
.hero .hero-cta{ animation: heroUp 560ms var(--ease-out) 210ms both; }
.hero .hero-note{ animation: heroUp 560ms var(--ease-out) 270ms both; }
.hero-img      { animation: heroFade 700ms var(--ease-out) 120ms both; }
@keyframes heroUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes heroFade { from { opacity: 0; transform: translateY(10px) scale(.98); } to { opacity: 1; transform: translateY(0) scale(1); } }

/* ─── TRUST BANNER ─── */
.trust-banner {
  background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: var(--space-lg) var(--space-sm);
}
.trust-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: center;
  gap: var(--space-lg); flex-wrap: wrap;
}
.trust-inner .award-item { text-align: center; }
.trust-inner .award-icon { font-size: 30px; color: var(--primary-dark); margin-bottom: 8px; }
.trust-inner .award-title { font-size: 20px; font-weight: 800; color: var(--text); }
.trust-inner .award-sub { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .4px; margin-top: 8px; display: block; }
.trust-divider { width: 1px; height: 48px; background: var(--border); flex-shrink: 0; }

/* ─── STATS ROW ─── */
.stats-row { background: #fff; padding: var(--space-lg) var(--space-sm); }
.stats-inner {
  max-width: 900px; margin: 0 auto;
  display: flex; justify-content: space-around; align-items: center;
  flex-wrap: wrap; gap: var(--space-md);
}
.stat-item { text-align: center; }
.stat-num { display: block; font-size: 36px; font-weight: 800; color: var(--primary-dark); line-height: 1; }
.stat-label { display: block; font-size: 13px; color: var(--text-muted); margin-top: 12px; text-transform: uppercase; letter-spacing: .5px; }

/* ─── SECTION WRAPPERS ─── */
.section-pad { padding: var(--space-xl) var(--space-lg); max-width: 1200px; margin: 0 auto; }
.section-head { text-align: center; margin-bottom: var(--space-lg); }
.section-head h2 { font-size: clamp(22px, 3vw, 36px); font-weight: 800; margin-bottom: 10px; }
.section-head p { font-size: 17px; color: var(--text-muted); max-width: 640px; margin: 0 auto; }

/* ─── FEATURES ─── */
.features { padding: var(--space-xl) var(--space-lg); background: var(--surface); }
.features .feature-grid { max-width: 1200px; margin: 0 auto; grid-template-columns: repeat(3, 1fr); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}
.feature-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: var(--space-md);
  transition: box-shadow 220ms var(--ease-out), transform 220ms var(--ease-out);
  opacity: 0; transform: translateY(16px);
}
/* NOTE: intentionally opacity+transform, not clip-path, for this entrance — a clip-path
   that fully clips an element (inset(0 0 100% 0)) makes current Chromium report the element
   as permanently non-intersecting to IntersectionObserver, so [data-visible] never gets set
   and the cards stay invisible forever. Verified via isolated Playwright repro against this
   exact build. split-row/pricing-card below use this same safe pattern and reveal correctly. */
.feature-card[data-visible] { opacity: 1; transform: translateY(0); transition: opacity 480ms var(--ease-out), transform 480ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) {
  .feature-card:hover { box-shadow: var(--shadow-card); transform: translateY(-3px); }
}
/* hexagon "ice crystal" icon holder — the visual signature of this site */
.feature-card > i, .feature-card .feature-icon i {
  width: 52px; height: 52px;
  clip-path: polygon(25% 3%, 75% 3%, 100% 50%, 75% 97%, 25% 97%, 0% 50%);
  background: var(--surface-2); display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: var(--space-sm); color: var(--primary-dark);
}
.feature-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-muted); margin: 0; line-height: 1.6; }

/* ─── SPLIT ROW ─── */
.split-img { border-radius: var(--radius-lg); overflow: hidden; }
.split-img img { width: 100%; height: 320px; object-fit: contain; background: var(--surface); }
.split-text h2 { font-size: clamp(22px, 2.8vw, 34px); font-weight: 800; margin-bottom: var(--space-sm); }
.split-text p { color: var(--text-muted); font-size: 15px; margin-bottom: var(--space-sm); line-height: 1.7; }
.split-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-lg); align-items: center;
}
.split-row.reverse { direction: rtl; }
.split-row.reverse > * { direction: ltr; }
.split-row .split-img   { opacity: 0; transform: translateX(-24px); transition: opacity 560ms var(--ease-out), transform 560ms var(--ease-out); }
.split-row .split-text  { opacity: 0; transform: translateX(24px);  transition: opacity 560ms var(--ease-out) 90ms, transform 560ms var(--ease-out) 90ms; }
.split-row.reverse .split-img  { transform: translateX(24px); }
.split-row.reverse .split-text { transform: translateX(-24px); }
.split-row[data-visible] .split-img,
.split-row[data-visible] .split-text { opacity: 1; transform: translateX(0); }

.check-list { margin: var(--space-sm) 0 var(--space-md); }
.check-list li { padding: 8px 0; display: flex; gap: 10px; align-items: flex-start; font-size: 15px; }
.check-list li::before { content: '\2713'; color: var(--green); font-weight: 700; font-size: 16px; flex-shrink: 0; margin-top: 1px; }

/* ─── PRICING ─── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}
.pricing-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: var(--space-md);
  position: relative; transition: box-shadow 220ms var(--ease-out), transform 220ms var(--ease-out);
  opacity: 0; transform: translateY(14px);
}
.pricing-card[data-visible] { opacity: 1; transform: translateY(0); transition: opacity 480ms var(--ease-out), transform 480ms var(--ease-out); }
.pricing-card.popular {
  border-color: var(--primary); border-width: 2px;
  box-shadow: 0 0 0 4px rgba(56,189,248,.12);
}
@media (hover: hover) and (pointer: fine) {
  .pricing-card:hover { box-shadow: var(--shadow-card); transform: translateY(-3px); }
}
.popular-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--accent-dark); color: #04303a; padding: 4px 16px;
  border-radius: 100px; font-size: 12px; font-weight: 700;
  white-space: nowrap;
}
.pricing-card h3 { font-size: 18px; font-weight: 800; margin-bottom: var(--space-sm); }
.price-amount { font-size: 26px; font-weight: 800; color: var(--text); line-height: 1.2; margin-top: 6px; }
.price-period { font-size: 14px; color: var(--text-muted); margin-bottom: 10px; margin-top: 8px; }
.price-note { font-size: 13px; color: var(--text-muted); margin-bottom: var(--space-sm); line-height: 1.6; }
.pricing-features li { padding: 6px 0; display: flex; gap: 8px; align-items: flex-start; font-size: 14px; }
.pricing-features li::before { content: '\2713'; color: var(--green); font-weight: 700; flex-shrink: 0; }
.pricing-cta {
  width: 100%; padding: 13px;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  font-size: 15px; font-weight: 700; cursor: pointer;
  margin-top: var(--space-sm); display: block; text-align: center;
  transition: background 180ms var(--ease-out), transform 160ms var(--ease-out);
  background: var(--primary); color: #fff; border: none;
}
@media (hover: hover) and (pointer: fine) {
  .pricing-cta:hover { background: var(--primary-dark); text-decoration: none; }
}
.pricing-cta:active { transform: scale(.97); }

/* ─── IMAGE STRIP ─── */
.image-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-sm); }
.image-strip-item { border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 4/3; background: var(--surface); }
.image-strip-item img { width: 100%; height: 100%; object-fit: contain; }

/* ─── FAQ ─── */
.faq { padding: var(--space-xl) var(--space-lg); }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q {
  width: 100%; background: none; border: none; text-align: left;
  padding: var(--space-sm) 0; font-size: 16px; font-weight: 600;
  cursor: pointer; display: flex; justify-content: space-between; align-items: center;
  color: var(--text); gap: var(--space-sm);
}
.faq-q i { color: var(--primary-dark); flex-shrink: 0; transition: transform 220ms var(--ease-out); }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 0 var(--space-sm); font-size: 15px; color: var(--text-muted); line-height: 1.7; }
.faq-item.open .faq-a { display: block; animation: faqOpen 220ms var(--ease-out); }
@keyframes faqOpen { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }

/* ─── GUARANTEE BANNER ─── */
.guarantee-banner {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--accent-dark) 100%);
  color: #fff; text-align: center;
  padding: var(--space-lg) var(--space-sm); border-radius: var(--radius-xl);
  margin: var(--space-lg) var(--space-lg);
}
.guarantee-banner h2 { font-size: clamp(22px, 4vw, 36px); margin-bottom: var(--space-sm); color: #fff; }
.guarantee-banner p { font-size: 16px; color: rgba(255,255,255,.92); margin-bottom: var(--space-md); max-width: 560px; margin-left: auto; margin-right: auto; }
.guarantee-banner .hero-cta { margin-top: var(--space-md); margin-bottom: 0; }
.guarantee-banner .btn-cta, .guarantee-banner .btn-cta-lg { background: #fff; color: var(--primary-dark); box-shadow: 0 8px 24px rgba(0,0,0,.14); }
@media (hover: hover) and (pointer: fine) {
  .guarantee-banner .btn-cta:hover, .guarantee-banner .btn-cta-lg:hover { background: #eaf7ff; }
}

/* ─── PAGE HERO (inner pages) ─── */
.page-hero {
  background:
    var(--frost-dots) 0 0/22px 22px,
    linear-gradient(180deg, #eaf7ff 0%, #ffffff 100%);
  text-align: center;
  padding: 72px var(--space-sm) var(--space-xl);
}
.page-hero-inner { animation: heroUp 500ms var(--ease-out) both; }
.page-hero h1 { font-size: clamp(26px, 4vw, 44px); font-weight: 800; margin-bottom: var(--space-sm); color: var(--text); }
.page-hero p { font-size: 18px; color: var(--text-muted); max-width: 620px; margin: 0 auto; }

/* ─── PLATFORM / CLIENT GRID ─── */
.platform-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--space-md); }
.platform-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-sm); text-align: center;
  transition: box-shadow 220ms var(--ease-out), transform 220ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .platform-card:hover { box-shadow: var(--shadow-card); transform: translateY(-3px); }
}
.platform-card i { font-size: 34px; color: var(--primary-dark); margin-bottom: var(--space-sm); }
.platform-card span { font-size: 14px; font-weight: 600; display: block; }

/* ─── CONTACT ─── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
.contact-methods { display: flex; flex-direction: column; gap: var(--space-md); margin-top: var(--space-md); }
.contact-method { display: flex; align-items: flex-start; gap: var(--space-sm); }
.contact-method i { font-size: 22px; color: var(--primary-dark); flex-shrink: 0; margin-top: 2px; }
.contact-method strong { display: block; font-size: 15px; margin-bottom: 2px; }
.contact-method p { margin: 0; font-size: 14px; color: var(--text-muted); }
.contact-form { display: flex; flex-direction: column; gap: var(--space-sm); background: var(--surface); padding: var(--space-md); border-radius: var(--radius-lg); }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 14px; font-weight: 600; }
.form-group input, .form-group textarea, .form-group select {
  padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius-md);
  font-size: 15px; font-family: inherit; background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(56,189,248,.18);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-submit {
  background: var(--primary); color: #fff; border: none; cursor: pointer;
  padding: 14px 32px;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  font-size: 16px; font-weight: 700;
  transition: background 180ms var(--ease-out), transform 160ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .form-submit:hover { background: var(--primary-dark); }
}
.form-submit:active { transform: scale(.98); }

/* ─── PROSE (privacy/terms) ─── */
.prose { max-width: 800px; margin: 0 auto; font-size: 15px; line-height: 1.8; }
.prose h2 { font-size: 22px; margin-top: 40px; margin-bottom: 12px; }
.prose h3 { font-size: 17px; margin-top: 28px; }
.prose p { margin-bottom: 16px; color: var(--text-muted); }
.prose ul { margin: 12px 0 16px 24px; list-style: disc; }
.prose ul li { color: var(--text-muted); margin-bottom: 6px; }

/* ─── FOOTER — polar night ─── */
.site-footer { background: var(--dark); color: rgba(255,255,255,.7); padding: var(--space-xl) var(--space-sm) var(--space-md); }
.footer-grid { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-lg); margin-bottom: var(--space-xl); }
.footer-brand .logo-footer { height: 30px; width: auto; margin-bottom: var(--space-sm); filter: brightness(0) invert(1); }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 280px; }
.footer-col h4 { color: #fff; font-size: 14px; font-weight: 700; margin-bottom: var(--space-sm); text-transform: uppercase; letter-spacing: .5px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: rgba(255,255,255,.7); font-size: 14px; transition: color var(--transition); }
.footer-col ul li a:hover { color: #67e8f9; text-decoration: none; }
.footer-bottom { max-width: 1100px; margin: 0 auto; border-top: 1px solid rgba(255,255,255,.12); padding-top: var(--space-sm); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 13px; margin: 0; }

/* ─── UTILITY ─── */
.mb-0 { margin-bottom: 0; }
.mt-lg { margin-top: var(--space-lg); }
.tag { display: inline-block; background: var(--surface-2); color: var(--primary-dark); font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 100px; text-transform: uppercase; letter-spacing: .5px; }

/* ─── MOBILE ─── */
@media (max-width: 768px) {
  .nav { padding: 0 8px; }
  .nav-links {
    display: none;
    position: absolute; top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    align-items: center;
    height: auto; max-height: none;
    overflow: visible;
    background: var(--header-bg);
    box-shadow: 0 8px 16px rgba(12,42,61,.12);
    padding: 12px 0;
    z-index: 999;
  }
  .nav-links.open { display: flex; animation: dropdownIn 220ms var(--ease-out); }
  .nav-links > li { width: 100%; text-align: center; }
  .nav-links > li > a { display: block; width: 100%; padding: 14px 0; font-size: 17px; }

  .nav-right .lang-switcher { display: none; }
  .nav-right .btn-cta { display: none; }
  .nav-toggle { display: block; }

  .mobile-lang {
    display: flex; justify-content: center; gap: 16px;
    padding: 14px 0; border-top: 1px solid var(--border);
    width: 100%;
  }
  .nav-links li.mobile-lang a {
    display: inline-block; width: auto; padding: 4px 10px;
    font-size: 15px; line-height: 1.4; white-space: nowrap; color: var(--text-muted);
  }
  .nav-links li.mobile-lang a.active { color: var(--primary-dark); font-weight: 700; }

  .hero { flex-direction: column; padding: var(--space-lg) var(--space-sm); }
  .split-row { grid-template-columns: 1fr; }
  .split-row.reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .trust-divider { display: none; }
  .pricing-grid { grid-template-columns: 1fr; }
  .image-strip { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .features .feature-grid { grid-template-columns: 1fr; }

  .btn-cta-lg, .btn-cta, .hero-cta a {
    display: block; margin-left: auto; margin-right: auto;
    text-align: center; width: max-content; max-width: 90%;
  }

  .platform-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ─── REDUCED MOTION ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .feature-card, .split-row .split-img, .split-row .split-text, .pricing-card { opacity: 1 !important; transform: none !important; clip-path: none !important; }
}