/* ============================================================
   新疆晨音软件科技 · 企业官网
   Design System — Enterprise Grade
   ============================================================ */
:root {
  --brand: #1e6fff;
  --brand-2: #0d4fd6;
  --brand-3: #4f9cff;
  --navy: #0a1633;
  --navy-2: #0f214e;
  --ink: #16213c;
  --ink-2: #4e5a72;
  --ink-3: #8a94a8;
  --line: #e6ebf3;
  --bg: #f5f7fb;
  --white: #ffffff;
  --gold: #f5a623;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 10px rgba(16, 38, 90, .06);
  --shadow-md: 0 10px 34px rgba(16, 38, 90, .10);
  --shadow-lg: 0 24px 60px rgba(16, 38, 90, .16);
  --ease: cubic-bezier(.22, .68, .31, 1);
  --font: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
::selection { background: rgba(30, 111, 255, .18); }

.container { width: min(1200px, 92%); margin: 0 auto; }
.section { padding: 104px 0; position: relative; }
.section.bg { background: var(--bg); }

/* ---------- Section header ---------- */
.sec-head { max-width: 720px; margin: 0 auto 64px; text-align: center; }
.sec-head.left { margin: 0 0 48px; text-align: left; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: .18em;
  text-transform: uppercase; color: var(--brand); margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--brand); border-radius: 2px; }
.sec-head.left .eyebrow::after { content: ""; width: 28px; height: 2px; background: var(--brand); border-radius: 2px; }
.sec-title { font-size: clamp(28px, 3.6vw, 42px); font-weight: 800; line-height: 1.25; letter-spacing: -.01em; }
.sec-sub { margin-top: 16px; color: var(--ink-2); font-size: 17px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 52px; padding: 0 32px; border-radius: 10px;
  font-size: 16px; font-weight: 600; letter-spacing: .02em;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s, color .3s, border-color .3s;
  will-change: transform;
}
.btn-primary { background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%); color: #fff; box-shadow: 0 10px 26px rgba(30, 111, 255, .38); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(30, 111, 255, .46); }
.btn-ghost { border: 1px solid rgba(255, 255, 255, .45); color: #fff; backdrop-filter: blur(6px); }
.btn-ghost:hover { background: rgba(255, 255, 255, .12); transform: translateY(-3px); }
.btn-outline { border: 1px solid var(--line); color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.btn svg { width: 18px; height: 18px; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
  border-bottom: 1px solid transparent;
}
.nav-inner { display: flex; align-items: center; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 19px; color: #fff; transition: color .35s; }
.brand-logo {
  width: 40px; height: 40px; border-radius: 10px; flex: none;
  background: linear-gradient(135deg, var(--brand) 0%, #6fb2ff 100%);
  display: grid; place-items: center; color: #fff; font-weight: 900; font-size: 15px;
  box-shadow: 0 6px 18px rgba(30, 111, 255, .45); letter-spacing: .02em;
}
.brand small { display: block; font-size: 11px; font-weight: 500; opacity: .72; letter-spacing: .14em; }
.nav-links { display: flex; gap: 6px; margin-left: auto; }
.nav-links a {
  position: relative; padding: 10px 16px; font-size: 15px; font-weight: 500;
  color: rgba(255, 255, 255, .86); border-radius: 8px; transition: color .25s, background .25s;
}
.nav-links a:hover { color: #fff; background: rgba(255, 255, 255, .10); }
.nav-cta { margin-left: 18px; height: 42px; padding: 0 22px; font-size: 14px; border-radius: 8px; }
.nav-toggle { display: none; width: 44px; height: 44px; margin-left: auto; color: #fff; }
.nav-toggle svg { width: 26px; height: 26px; }

.nav.solid { background: rgba(255, 255, 255, .92); backdrop-filter: saturate(160%) blur(14px); border-color: var(--line); box-shadow: 0 6px 24px rgba(16, 38, 90, .07); }
.nav.solid .brand { color: var(--ink); }
.nav.solid .nav-links a { color: var(--ink-2); }
.nav.solid .nav-links a:hover { color: var(--brand); background: rgba(30, 111, 255, .08); }
.nav.solid .nav-toggle { color: var(--ink); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center; color: #fff; overflow: hidden; background: var(--navy);
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .85; transform: scale(1.06); animation: heroZoom 14s var(--ease) forwards; }
@keyframes heroZoom { to { transform: scale(1); } }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(6, 14, 36, .92) 8%, rgba(8, 20, 52, .66) 46%, rgba(6, 14, 36, .34) 100%);
}
.hero-content { position: relative; z-index: 2; padding: 160px 0 220px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 18px 8px 10px;
  border: 1px solid rgba(255, 255, 255, .22); border-radius: 100px;
  background: rgba(255, 255, 255, .08); backdrop-filter: blur(8px);
  font-size: 14px; color: rgba(255, 255, 255, .92); margin-bottom: 30px;
}
.hero-badge b {
  background: linear-gradient(135deg, var(--brand) 0%, #6fb2ff 100%);
  padding: 3px 12px; border-radius: 100px; font-size: 12px; font-weight: 700; letter-spacing: .06em;
}
.hero h1 {
  font-size: clamp(38px, 5.6vw, 68px); font-weight: 900; line-height: 1.16;
  letter-spacing: -.015em; max-width: 780px;
}
.hero h1 .grad {
  background: linear-gradient(92deg, #7db6ff 0%, #2f7dff 55%, #9fd0ff 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-desc { margin-top: 26px; max-width: 640px; font-size: 17.5px; color: rgba(226, 235, 255, .82); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.hero-tags span {
  padding: 7px 16px; border-radius: 100px; font-size: 13.5px;
  border: 1px solid rgba(125, 182, 255, .34); color: #bcd6ff;
  background: rgba(30, 111, 255, .10); backdrop-filter: blur(4px);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 42px; }

.hero-stats {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 3;
  border-top: 1px solid rgba(255, 255, 255, .14);
  background: rgba(8, 18, 44, .55); backdrop-filter: blur(14px);
}
.hero-stats .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 30px 12px; text-align: center; position: relative; }
.stat + .stat::before { content: ""; position: absolute; left: 0; top: 26%; bottom: 26%; width: 1px; background: rgba(255, 255, 255, .14); }
.stat b { display: block; font-size: clamp(28px, 3vw, 40px); font-weight: 900; letter-spacing: -.01em; }
.stat b i { font-style: normal; color: var(--brand-3); font-size: .62em; margin-left: 2px; }
.stat span { font-size: 14px; color: rgba(214, 226, 255, .72); }

/* ---------- Marquee ---------- */
.marquee { background: #fff; border-bottom: 1px solid var(--line); padding: 22px 0; overflow: hidden; }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: marquee 36s linear infinite; }
.marquee-track span { display: flex; align-items: center; gap: 10px; color: var(--ink-3); font-weight: 600; font-size: 15px; white-space: nowrap; }
.marquee-track svg { width: 18px; height: 18px; color: var(--brand); flex: none; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Tech ecosystem ---------- */
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.tech-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 34px 30px; position: relative; overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.tech-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 4px;
  background: linear-gradient(90deg, var(--brand), #6fb2ff);
  transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease);
}
.tech-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.tech-card:hover::before { transform: scaleX(1); }
.tech-icon {
  width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(30, 111, 255, .12), rgba(30, 111, 255, .05));
  color: var(--brand); margin-bottom: 22px;
}
.tech-icon svg { width: 28px; height: 28px; }
.tech-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.tech-card .en { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; }
.tech-card p { margin: 12px 0 18px; color: var(--ink-2); font-size: 15px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list span {
  font-size: 12.5px; padding: 5px 12px; border-radius: 7px;
  background: var(--bg); color: var(--ink-2); border: 1px solid var(--line);
  transition: all .25s;
}
.tech-card:hover .tag-list span { border-color: rgba(30, 111, 255, .3); color: var(--brand-2); background: rgba(30, 111, 255, .05); }

/* ---------- Payment ---------- */
.pay-wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 60px; align-items: center; }
.pay-visual {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(150deg, var(--navy) 0%, var(--navy-2) 60%, #10306e 100%);
  padding: 44px 40px; color: #fff; box-shadow: var(--shadow-lg);
}
.pay-visual::after {
  content: ""; position: absolute; right: -90px; top: -90px; width: 280px; height: 280px;
  border-radius: 50%; background: radial-gradient(circle, rgba(79, 156, 255, .35), transparent 68%);
}
.pay-visual h3 { font-size: 24px; font-weight: 800; margin-bottom: 8px; }
.pay-visual > p { color: rgba(214, 226, 255, .75); font-size: 15px; margin-bottom: 30px; }
.pay-flow { display: flex; align-items: center; gap: 0; margin-bottom: 34px; position: relative; z-index: 1; }
.pay-node { flex: 1; text-align: center; }
.pay-node i {
  width: 52px; height: 52px; margin: 0 auto 10px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(255, 255, 255, .10); border: 1px solid rgba(255, 255, 255, .2); font-style: normal;
}
.pay-node i svg { width: 24px; height: 24px; color: #9fc6ff; }
.pay-node span { font-size: 13px; color: rgba(214, 226, 255, .85); }
.pay-line { flex: none; width: 34px; height: 2px; background: linear-gradient(90deg, rgba(79,156,255,.2), var(--brand-3), rgba(79,156,255,.2)); margin-bottom: 30px; }
.pay-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; position: relative; z-index: 1; }
.pay-metric { background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .12); border-radius: 12px; padding: 16px 14px; text-align: center; }
.pay-metric b { display: block; font-size: 22px; font-weight: 800; color: #8fbeff; }
.pay-metric span { font-size: 12.5px; color: rgba(214, 226, 255, .7); }

.pay-list { display: flex; flex-direction: column; gap: 18px; }
.pay-item {
  display: flex; gap: 20px; padding: 26px 28px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.pay-item:hover { transform: translateX(8px); box-shadow: var(--shadow-md); border-color: rgba(30, 111, 255, .35); }
.pay-item .pi {
  flex: none; width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand), #6fb2ff); color: #fff; box-shadow: 0 8px 18px rgba(30, 111, 255, .32);
}
.pay-item .pi svg { width: 24px; height: 24px; }
.pay-item h3 { font-size: 18px; font-weight: 800; margin-bottom: 4px; }
.pay-item p { font-size: 14.5px; color: var(--ink-2); margin-bottom: 10px; }
.pay-item ul { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.pay-item li { font-size: 13px; color: var(--ink-3); display: flex; align-items: center; gap: 6px; }
.pay-item li::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--brand); flex: none; }

/* ---------- Cases ---------- */
.case-filter { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 46px; }
.case-filter button {
  padding: 10px 24px; border-radius: 100px; font-size: 14.5px; font-weight: 600;
  border: 1px solid var(--line); color: var(--ink-2); background: #fff;
  transition: all .3s var(--ease);
}
.case-filter button:hover { border-color: var(--brand); color: var(--brand); }
.case-filter button.active {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; border-color: transparent; box-shadow: 0 8px 20px rgba(30, 111, 255, .34);
}
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; display: flex; flex-direction: column; position: relative; overflow: hidden;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s, opacity .4s;
}
.case-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); border-color: rgba(30, 111, 255, .3); }
.case-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.case-cat {
  display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 700;
  color: var(--brand-2); background: rgba(30, 111, 255, .08); padding: 5px 13px; border-radius: 100px;
}
.case-status { font-size: 12px; color: #0a9e6d; background: rgba(10, 158, 109, .09); padding: 4px 11px; border-radius: 100px; font-weight: 600; }
.case-status.dev { color: #b87700; background: rgba(245, 166, 35, .12); }
.case-card h3 { font-size: 18.5px; font-weight: 800; margin-bottom: 10px; }
.case-card > p { font-size: 14px; color: var(--ink-2); flex: 1; }
.case-foot { margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line); display: flex; flex-wrap: wrap; gap: 6px 14px; }
.case-foot span { font-size: 12.5px; color: var(--ink-3); display: flex; align-items: center; gap: 5px; }
.case-foot span::before { content: "▸"; color: var(--brand); font-size: 11px; }
.case-card.hide { display: none; }
.case-more-wrap { text-align: center; margin-top: 44px; }

/* ---------- Process ---------- */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.process-card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 26px 30px; transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.process-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.process-card::before {
  counter-increment: step; content: "0" counter(step);
  font-size: 44px; font-weight: 900; line-height: 1;
  background: linear-gradient(135deg, rgba(30, 111, 255, .9), rgba(111, 178, 255, .5));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block; margin-bottom: 16px;
}
.process-card h3 { font-size: 17.5px; font-weight: 800; margin-bottom: 8px; }
.process-card p { font-size: 14px; color: var(--ink-2); }

/* ---------- Network (dark band) ---------- */
.network { background: linear-gradient(160deg, var(--navy) 0%, #0d1e45 55%, #0f2a63 100%); color: #fff; overflow: hidden; }
.network::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(120, 170, 255, .14) 1px, transparent 1.4px);
  background-size: 26px 26px; opacity: .5;
}
.network .container { position: relative; z-index: 1; }
.network .sec-title { color: #fff; }
.network .sec-sub { color: rgba(214, 226, 255, .72); }
.net-wrap { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: stretch; }
.net-map { position: relative; display: flex; }
.net-map .map-card {
  flex: 1; display: flex; flex-direction: column; justify-content: center;
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius-lg); padding: 34px 30px; backdrop-filter: blur(8px);
}
.net-map h3 { font-size: 21px; font-weight: 800; margin-bottom: 6px; }
.net-map > .map-card > p { color: rgba(214, 226, 255, .7); font-size: 14.5px; margin-bottom: 24px; }
.city-chips { display: flex; flex-wrap: wrap; gap: 9px; }
.city-chips span {
  font-size: 13px; padding: 7px 15px; border-radius: 100px;
  border: 1px solid rgba(140, 180, 255, .3); color: #c3d8ff; background: rgba(30, 111, 255, .12);
  transition: all .3s;
}
.city-chips span:hover { background: var(--brand); color: #fff; border-color: transparent; transform: translateY(-2px); }
.city-chips span.hot { background: linear-gradient(135deg, var(--brand), #6fb2ff); color: #fff; border-color: transparent; font-weight: 700; }
.net-groups { display: flex; flex-direction: column; gap: 20px; }
.net-group { background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); border-radius: var(--radius); padding: 24px 26px; transition: background .3s, border-color .3s; }
.net-group:hover { background: rgba(255, 255, 255, .09); border-color: rgba(140, 180, 255, .32); }
.net-group h3 { font-size: 16.5px; font-weight: 800; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.net-group h3 svg { width: 20px; height: 20px; color: #8fbeff; }
.net-group .tag-list span { background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .14); color: rgba(214, 226, 255, .8); }
.net-group:hover .tag-list span { border-color: rgba(140, 180, 255, .35); color: #cfe1ff; background: rgba(30, 111, 255, .14); }

/* ---------- Services detail ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.svc-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; transition: transform .4s var(--ease), box-shadow .4s var(--ease); display: flex; flex-direction: column; }
.svc-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.svc-banner { height: 118px; position: relative; display: flex; align-items: flex-end; padding: 20px 26px; color: #fff; }
.svc-banner::after { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.22) 1px, transparent 1.4px); background-size: 18px 18px; opacity: .35; }
.svc-banner h3 { position: relative; z-index: 1; font-size: 20px; font-weight: 800; }
.svc-card:nth-child(1) .svc-banner { background: linear-gradient(135deg, #0b3fa5, #1250c9); }
.svc-card:nth-child(2) .svc-banner { background: linear-gradient(135deg, #10306e, #0b3fa5); }
.svc-card:nth-child(3) .svc-banner { background: linear-gradient(135deg, #1250c9, #2f7dff); }
.svc-body { padding: 26px; }
.svc-body .lbl { font-size: 12px; font-weight: 700; letter-spacing: .14em; color: var(--brand); text-transform: uppercase; }
.svc-body p { margin-top: 12px; font-size: 14.5px; color: var(--ink-2); }

/* ---------- About ---------- */
.about-wrap { display: grid; grid-template-columns: 1.02fr .98fr; gap: 64px; align-items: center; }
.about-media { position: relative; }
.about-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); }
.about-media::before {
  content: ""; position: absolute; inset: 26px -26px -26px 26px; z-index: -1;
  border-radius: var(--radius-lg); background: linear-gradient(135deg, rgba(30, 111, 255, .16), rgba(111, 178, 255, .05));
  border: 1px solid rgba(30, 111, 255, .18);
}
.about-float {
  position: absolute; right: -18px; bottom: 34px; background: #fff; border-radius: 14px;
  box-shadow: var(--shadow-lg); padding: 18px 24px; display: flex; align-items: center; gap: 14px;
}
.about-float b { font-size: 26px; font-weight: 900; color: var(--brand); line-height: 1.1; }
.about-float span { font-size: 13px; color: var(--ink-2); line-height: 1.4; }
.about-text p { color: var(--ink-2); font-size: 15.5px; margin-bottom: 16px; text-align: justify; }
.about-text p b { color: var(--ink); }
.about-feats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.about-feats li { display: flex; align-items: center; gap: 10px; font-size: 14.5px; font-weight: 600; color: var(--ink); }
.about-feats svg { width: 20px; height: 20px; color: var(--brand); flex: none; }

/* ---------- Contact ---------- */
.contact { background: linear-gradient(160deg, var(--navy) 0%, #0e2352 60%, #10306e 100%); color: #fff; }
.contact::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(120, 170, 255, .12) 1px, transparent 1.4px);
  background-size: 26px 26px; opacity: .5;
}
.contact .container { position: relative; z-index: 1; }
.contact .sec-title, .contact .sec-sub { color: #fff; }
.contact .sec-sub { color: rgba(214, 226, 255, .72); }
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 10px; }
.contact-card {
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .13);
  border-radius: var(--radius); padding: 30px 24px; text-align: center;
  transition: transform .35s var(--ease), background .35s, border-color .35s;
}
.contact-card:hover { transform: translateY(-6px); background: rgba(255, 255, 255, .1); border-color: rgba(140, 180, 255, .4); }
.contact-card i {
  width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 14px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--brand), #6fb2ff); font-style: normal;
  box-shadow: 0 10px 24px rgba(30, 111, 255, .4);
}
.contact-card i svg { width: 26px; height: 26px; color: #fff; }
.contact-card h3 { font-size: 15px; font-weight: 700; color: rgba(214, 226, 255, .78); margin-bottom: 8px; }
.contact-card a, .contact-card p.v { font-size: 17px; font-weight: 800; color: #fff; display: block; line-height: 1.5; }
.contact-card small { display: block; margin-top: 6px; font-size: 12.5px; color: rgba(214, 226, 255, .6); }
.contact-cta { text-align: center; margin-top: 52px; }

/* ---------- Footer ---------- */
.footer { background: #070f24; color: rgba(196, 208, 235, .72); padding: 72px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 52px; }
.footer .f-brand { display: flex; align-items: center; gap: 12px; color: #fff; font-weight: 800; font-size: 18px; margin-bottom: 18px; }
.footer p { line-height: 1.9; }
.footer h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 18px; }
.footer li { margin-bottom: 11px; }
.footer li a { transition: color .25s, padding-left .25s; }
.footer li a:hover { color: #8fbeff; padding-left: 5px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .09); padding: 22px 0; display: flex; flex-wrap: wrap; gap: 8px 28px; align-items: center; justify-content: space-between; font-size: 13px; color: rgba(160, 175, 205, .6); }
.footer-bottom a { color: rgba(160, 175, 205, .75); }
.footer-bottom a:hover { color: #8fbeff; }

/* ---------- Float widgets ---------- */
.back-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 90; width: 48px; height: 48px;
  border-radius: 12px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-md);
  display: grid; place-items: center; color: var(--brand); opacity: 0; pointer-events: none;
  transform: translateY(14px); transition: all .35s var(--ease);
}
.back-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-top:hover { background: var(--brand); color: #fff; }
.back-top svg { width: 22px; height: 22px; }
.float-call {
  position: fixed; right: 26px; bottom: 86px; z-index: 90; height: 48px; padding: 0 20px;
  border-radius: 100px; display: flex; align-items: center; gap: 9px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; font-weight: 700; font-size: 14.5px;
  box-shadow: 0 12px 30px rgba(30, 111, 255, .45); transition: transform .3s var(--ease), box-shadow .3s;
}
.float-call:hover { transform: translateY(-3px) scale(1.03); }
.float-call svg { width: 19px; height: 19px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; } .reveal-d2 { transition-delay: .16s; }
.reveal-d3 { transition-delay: .24s; } .reveal-d4 { transition-delay: .32s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .tech-grid, .svc-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid, .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .pay-wrap, .net-wrap, .about-wrap { grid-template-columns: 1fr; gap: 44px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats .container { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3)::before { display: none; }
}
@media (max-width: 720px) {
  .section { padding: 72px 0; }
  .nav-links, .nav .nav-cta { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; padding: 14px 5%; gap: 4px; box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--line);
  }
  .nav.open .nav-links a { color: var(--ink); padding: 13px 14px; }
  .tech-grid, .svc-grid, .case-grid, .process-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-content { padding: 130px 0 260px; }
  .hero-stats .container { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 20px 8px; }
  .stat + .stat::before { display: none; }
  .about-float { right: 8px; bottom: 12px; padding: 12px 16px; }
  .pay-metrics { grid-template-columns: repeat(3, 1fr); }
  .float-call span { display: none; }
  .float-call { padding: 0 15px; }
}