/* ==========================================================================
   Winfluence — Cross-border influencer marketing site
   Design system + components (dark, gradient, glass)
   ========================================================================== */

:root {
  /* Backgrounds */
  --bg: #06070d;
  --bg-2: #0a0b14;
  --panel: #0e1018;
  --panel-2: #12141f;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  /* Text */
  --text: #f8fafc;
  --muted: #cbd5e1;
  --faint: #94a3b8;

  /* Brand gradient stops */
  --blue: #2563eb;
  --indigo: #6366f1;
  --purple: #a855f7;
  --pink: #ec4899;
  --sky: #38bdf8;

  --grad: linear-gradient(100deg, var(--blue), var(--indigo) 40%, var(--purple) 72%, var(--pink));
  --grad-soft: linear-gradient(100deg, #3b82f6, #a855f7 60%, #ec4899);

  /* Layout */
  --maxw: 1200px;
  --radius: 18px;
  --radius-sm: 12px;

  --shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.7);
  --glow: 0 0 40px -8px rgba(99, 102, 241, 0.55);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --font-head: "Space Grotesk", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Ambient background glows */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(650px 420px at 12% -5%, rgba(37, 99, 235, 0.22), transparent 60%),
    radial-gradient(700px 500px at 92% 8%, rgba(168, 85, 247, 0.18), transparent 60%),
    radial-gradient(600px 500px at 60% 100%, rgba(236, 72, 153, 0.12), transparent 60%);
  pointer-events: none;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 75%);
  pointer-events: none;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; position: relative; }
.section--tight { padding: 64px 0; }
.center { text-align: center; }
.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #c4b5fd;
  padding: 7px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--pink); box-shadow: 0 0 10px var(--pink); }

.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 18px 0 16px;
}
.section-head p { color: var(--muted); font-size: 17px; }

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 700; letter-spacing: -0.02em; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn--primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 10px 30px -10px rgba(124, 58, 237, 0.75);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -12px rgba(124, 58, 237, 0.9); }
.btn--ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-strong);
  color: var(--text);
}
.btn--ghost:hover { background: rgba(255, 255, 255, 0.09); transform: translateY(-2px); }
.btn--lg { padding: 16px 30px; font-size: 16px; }
.btn--block { width: 100%; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(6, 7, 13, 0.78);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-family: var(--font-head); font-weight: 700; font-size: 20px; letter-spacing: -0.02em; }
.brand .logo-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--grad);
  display: grid; place-items: center;
  box-shadow: var(--glow);
  flex: none;
}
.brand .logo-mark svg { width: 20px; height: 20px; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  font-size: 15px;
  color: var(--muted);
  padding: 9px 14px;
  border-radius: 10px;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: #fff; background: rgba(255, 255, 255, 0.05); }
.nav-links a.active { color: #fff; }
.lang-link { border: 1px solid var(--border); border-radius: 999px; padding: 6px 12px !important; font-size: 13px; letter-spacing: .02em; }
.lang-link:hover { border-color: rgba(255,255,255,0.25); }
.nav-cta { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: #fff; border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.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; padding: 72px 0 88px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero h1 {
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.03;
  letter-spacing: -0.03em;
  margin: 22px 0 22px;
}
.hero p.lead { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-trust { margin-top: 30px; display: flex; align-items: center; gap: 14px; color: var(--faint); font-size: 14px; }
.avatars { display: flex; }
.avatars span {
  width: 34px; height: 34px; border-radius: 50%;
  border: 2px solid var(--bg);
  margin-left: -10px;
  background: var(--grad-soft);
}
.avatars span:first-child { margin-left: 0; }
.avatars span:nth-child(2) { background: linear-gradient(135deg, #ec4899, #f59e0b); }
.avatars span:nth-child(3) { background: linear-gradient(135deg, #38bdf8, #6366f1); }
.avatars span:nth-child(4) { background: linear-gradient(135deg, #a855f7, #ec4899); }

/* Hero visual card */
.hero-visual { position: relative; }
.orbit-card {
  position: relative;
  background: linear-gradient(160deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--border-strong);
  border-radius: 26px;
  padding: 26px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}
.orbit-card .glow-ring {
  position: absolute; inset: -1px; border-radius: 26px; padding: 1px;
  background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0.7; pointer-events: none;
}
.creator-row { display: flex; align-items: center; gap: 12px; padding: 13px; border-radius: 14px; background: rgba(255,255,255,0.03); border: 1px solid var(--border); margin-bottom: 12px; }
.creator-row:last-child { margin-bottom: 0; }
.creator-row .ava { width: 42px; height: 42px; border-radius: 50%; flex: none; background: var(--grad-soft); display:grid; place-items:center; font-family: var(--font-head); font-weight:700; color:#fff; }
.creator-row .meta { flex: 1; min-width: 0; }
.creator-row .meta b { font-family: var(--font-head); font-size: 15px; }
.creator-row .meta small { color: var(--faint); display: block; font-size: 12.5px; }
.creator-row .pill { font-size: 12px; font-weight: 600; padding: 5px 10px; border-radius: 999px; background: rgba(56,189,248,0.14); color: #7dd3fc; white-space: nowrap; }
.creator-row .pill.pink { background: rgba(236,72,153,0.14); color: #f9a8d4; }
.creator-row .pill.purple { background: rgba(168,85,247,0.16); color: #d8b4fe; }

.float-badge {
  position: absolute; z-index: 3;
  background: rgba(14, 16, 24, 0.92);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 12px 15px;
  box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 10px;
  animation: float 5s ease-in-out infinite;
}
.float-badge .k { font-family: var(--font-head); font-weight: 700; font-size: 18px; }
.float-badge small { color: var(--faint); font-size: 12px; }
.float-badge.b1 { top: -18px; right: -14px; }
.float-badge.b2 { bottom: -20px; left: -18px; animation-delay: 1.4s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* Platform tags row */
.platform-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; align-items: center; }
.platform-tags .lbl { color: var(--faint); font-size: 13px; margin-right: 4px; }
.tag {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13.5px; font-weight: 600;
  padding: 7px 13px; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(255,255,255,0.03);
  color: var(--muted);
}
.tag svg { width: 15px; height: 15px; }

/* ---------- Stats ---------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.stat {
  padding: 26px 22px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--border);
  text-align: center;
}
.stat .num { font-family: var(--font-head); font-weight: 700; font-size: clamp(30px, 4vw, 44px); line-height: 1; }
.stat .num .suffix { -webkit-text-fill-color: initial; }
.stat .label { color: var(--faint); margin-top: 10px; font-size: 14.5px; }

/* ---------- Logo marquee ---------- */
.marquee { overflow: hidden; -webkit-mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: scroll-x 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { font-family: var(--font-head); font-weight: 700; font-size: 22px; color: rgba(255,255,255,0.42); white-space: nowrap; letter-spacing: -0.01em; }
@keyframes scroll-x { to { transform: translateX(-50%); } }

/* ---------- Cards grid ---------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), border-color 0.3s, background 0.3s;
  overflow: hidden;
}
.card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(400px 200px at var(--mx, 50%) 0%, rgba(124,58,237,0.14), transparent 70%);
  opacity: 0; transition: opacity 0.3s; pointer-events: none;
}
.card:hover { transform: translateY(-6px); border-color: var(--border-strong); background: var(--panel-2); }
.card:hover::after { opacity: 1; }
.card .icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(37,99,235,0.22), rgba(168,85,247,0.22));
  border: 1px solid var(--border-strong);
}
.card .icon svg { width: 26px; height: 26px; stroke: #c4b5fd; }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: 15px; }
.card .num-tag { font-family: var(--font-head); font-size: 13px; font-weight: 700; color: var(--faint); letter-spacing: 0.1em; }

/* ---------- Platforms strip ---------- */
.platforms { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.platform {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 28px 16px; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.platform:hover { transform: translateY(-5px); border-color: var(--border-strong); }
.platform .pic { width: 48px; height: 48px; display: grid; place-items: center; }
.platform .pic svg { width: 40px; height: 40px; }
.platform b { font-family: var(--font-head); font-size: 15px; }
.platform small { color: var(--faint); font-size: 12.5px; }

/* ---------- Process / steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 28px 22px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--border); }
.step .idx {
  font-family: var(--font-head); font-weight: 700; font-size: 15px;
  width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center;
  background: var(--grad); color: #fff; margin-bottom: 16px; box-shadow: var(--glow);
}
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 14.5px; }
.step:not(:last-child)::after {
  content: ""; position: absolute; top: 46px; right: -13px; width: 26px; height: 2px;
  background: linear-gradient(90deg, var(--purple), transparent);
}

/* ---------- Case cards ---------- */
.case-card {
  border-radius: var(--radius); overflow: hidden;
  background: var(--panel); border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), border-color 0.3s;
  display: flex; flex-direction: column;
}
.case-card:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.case-cover { height: 168px; position: relative; display: grid; place-items: center; overflow: hidden; }
.case-cover .tagcat { position: absolute; top: 14px; left: 14px; font-size: 12px; font-weight: 600; padding: 5px 11px; border-radius: 999px; background: rgba(0,0,0,0.4); backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,0.2); }
.case-cover .brand-name { font-family: var(--font-head); font-weight: 700; font-size: 28px; color: #fff; text-shadow: 0 2px 20px rgba(0,0,0,0.4); }
.cover-1 { background: linear-gradient(135deg, #7c3aed, #ec4899); }
.cover-2 { background: linear-gradient(135deg, #2563eb, #38bdf8); }
.cover-3 { background: linear-gradient(135deg, #f59e0b, #ec4899); }
.cover-4 { background: linear-gradient(135deg, #10b981, #2563eb); }
.cover-5 { background: linear-gradient(135deg, #6366f1, #a855f7); }
.cover-6 { background: linear-gradient(135deg, #ef4444, #f59e0b); }
.case-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.case-body h3 { font-size: 19px; margin-bottom: 8px; }
.case-body p { color: var(--muted); font-size: 14.5px; flex: 1; }
.case-metrics { display: flex; gap: 20px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--border); }
.case-metrics div { flex: 1; }
.case-metrics b { font-family: var(--font-head); font-size: 22px; display: block; }
.case-metrics small { color: var(--faint); font-size: 12px; }

/* Case filter */
.filters { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.filter-btn {
  font-family: var(--font-head); font-weight: 600; font-size: 14px;
  padding: 9px 18px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: rgba(255,255,255,0.03); color: var(--muted);
  transition: all 0.2s;
}
.filter-btn.active { background: var(--grad); color: #fff; border-color: transparent; }

/* ---------- Feature list (why us) ---------- */
.feature { display: flex; gap: 16px; padding: 24px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--border); }
.feature .fi { flex: none; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(236,72,153,0.2), rgba(99,102,241,0.2)); border: 1px solid var(--border-strong); }
.feature .fi svg { width: 24px; height: 24px; stroke: #f9a8d4; }
.feature h3 { font-size: 18px; margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: 14.5px; }

/* ---------- Pyramid (services) ---------- */
.pyramid { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.pyramid .tier {
  width: 100%; border-radius: 14px; padding: 20px 24px;
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: var(--panel);
}
.pyramid .t1 { max-width: 46%; background: linear-gradient(135deg, rgba(236,72,153,0.22), rgba(168,85,247,0.22)); }
.pyramid .t2 { max-width: 72%; background: linear-gradient(135deg, rgba(99,102,241,0.18), rgba(37,99,235,0.18)); }
.pyramid .t3 { max-width: 100%; background: linear-gradient(135deg, rgba(56,189,248,0.14), rgba(37,99,235,0.14)); }
.pyramid .tier b { font-family: var(--font-head); font-size: 17px; }
.pyramid .tier small { color: var(--muted); font-size: 13px; }
.pyramid .tier .cnt { font-family: var(--font-head); font-weight: 700; color: #fff; white-space: nowrap; }

/* ---------- Service detail block ---------- */
.svc { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: center; padding: 40px 0; border-top: 1px solid var(--border); }
.svc:first-of-type { border-top: 0; }
.svc.rev .svc-media { order: 2; }
.svc-media { border-radius: var(--radius); border: 1px solid var(--border-strong); background: linear-gradient(160deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01)); padding: 30px; min-height: 240px; display: grid; place-items: center; }
.svc h3 { font-size: 26px; margin: 12px 0 14px; }
.svc p { color: var(--muted); }
.svc ul { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; }
.svc li { display: flex; gap: 11px; color: var(--muted); font-size: 15px; align-items: flex-start; }
.svc li svg { width: 20px; height: 20px; flex: none; stroke: #86efac; margin-top: 2px; }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; overflow: hidden;
  border-radius: 28px; padding: 64px 48px; text-align: center;
  background: linear-gradient(135deg, rgba(37,99,235,0.16), rgba(168,85,247,0.16) 55%, rgba(236,72,153,0.16));
  border: 1px solid var(--border-strong);
}
.cta-band::before { content: ""; position: absolute; inset: 0; background: radial-gradient(500px 260px at 50% -10%, rgba(168,85,247,0.35), transparent 70%); }
.cta-band > * { position: relative; }
.cta-band h2 { font-size: clamp(28px, 4vw, 44px); margin-bottom: 16px; }
.cta-band p { color: var(--muted); max-width: 560px; margin: 0 auto 30px; font-size: 17px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: start; }
.form-card { padding: 32px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--border); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--muted); margin-bottom: 8px; font-family: var(--font-head); }
.field label .req { color: var(--pink); }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border-radius: 12px;
  background: rgba(255,255,255,0.03); border: 1px solid var(--border-strong);
  color: var(--text); font-family: inherit; font-size: 15px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input::placeholder, .field textarea::placeholder { color: #64748b; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.22);
}
.field textarea { resize: vertical; min-height: 110px; }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 15px center; padding-right: 40px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field .err { color: #fda4af; font-size: 12.5px; margin-top: 6px; display: none; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #f43f5e; }
.field.invalid .err { display: block; }
.form-note { color: var(--faint); font-size: 13px; margin-top: 14px; text-align: center; }
.form-success {
  display: none; text-align: center; padding: 40px 20px;
}
.form-success.show { display: block; }
.form-success .check { width: 66px; height: 66px; border-radius: 50%; background: var(--grad); display: grid; place-items: center; margin: 0 auto 18px; box-shadow: var(--glow); }
.form-success .check svg { width: 34px; height: 34px; stroke: #fff; }
.form-success h3 { font-size: 24px; margin-bottom: 10px; }
.form-success p { color: var(--muted); }

/* Contact side */
.contact-info { display: grid; gap: 16px; }
.info-card { padding: 22px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--border); display: flex; gap: 15px; align-items: flex-start; }
.info-card .ci { flex: none; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(37,99,235,0.2), rgba(168,85,247,0.2)); border: 1px solid var(--border-strong); }
.info-card .ci svg { width: 22px; height: 22px; stroke: #93c5fd; }
.info-card b { font-family: var(--font-head); font-size: 15px; display: block; margin-bottom: 3px; }
.info-card p, .info-card a { color: var(--muted); font-size: 14.5px; word-break: break-word; }
.info-card a:hover { color: #fff; }
.qr {
  padding: 22px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--border); text-align: center;
}
.qr .qr-img {
  width: 150px; height: 150px; margin: 0 auto 14px; border-radius: 14px;
  background: #fff; padding: 12px; display: grid; place-items: center;
}
.qr .qr-img svg,
.qr .qr-img img { width: 100%; height: 100%; object-fit: contain; display: block; }
.qr .qr-img.qr-fallback { position: relative; }
.qr .qr-img.qr-fallback::after {
  content: "WhatsApp QR"; color: #64748b; font-size: 13px; font-weight: 600;
}
.qr b { font-family: var(--font-head); display: block; }
.qr small { color: var(--faint); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding: 80px 0 40px; text-align: center; }
.page-hero h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.05; margin: 18px 0 18px; }
.page-hero p { color: var(--muted); font-size: 18px; max-width: 640px; margin: 0 auto; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.value-card { padding: 26px; border-radius: var(--radius); background: var(--panel); border: 1px solid var(--border); }
.value-card .vi { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 16px; background: var(--grad); box-shadow: var(--glow); }
.value-card .vi svg { width: 24px; height: 24px; stroke: #fff; }
.value-card h3 { font-size: 18px; margin-bottom: 8px; }
.value-card p { color: var(--muted); font-size: 14.5px; }

.region-list { display: flex; flex-wrap: wrap; gap: 10px; }
.region-list .tag { font-size: 14px; padding: 9px 16px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 64px 0 32px; margin-top: 40px; background: rgba(0,0,0,0.25); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer-brand p { color: var(--faint); font-size: 14.5px; margin-top: 16px; max-width: 300px; }
.footer-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.12em; color: var(--faint); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--muted); font-size: 14.5px; padding: 6px 0; transition: color 0.2s; }
.footer-col a:hover { color: #fff; }
.socials { display: flex; gap: 10px; margin-top: 18px; }
.socials a { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; border: 1px solid var(--border-strong); background: rgba(255,255,255,0.03); transition: transform 0.25s, background 0.25s; }
.socials a:hover { transform: translateY(-3px); background: rgba(255,255,255,0.08); }
.socials a svg { width: 19px; height: 19px; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 26px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; color: var(--faint); font-size: 13.5px; }
.footer-bottom .legal-name { color: var(--muted); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }

/* ---------- Responsive ---------- */
/* 移动菜单默认隐藏（桌面端也隐藏），仅 640px 内点开时显示 */
.mobile-menu { display: none; }

@media (max-width: 960px) {
  .section { padding: 72px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { max-width: 460px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step:not(:last-child)::after { display: none; }
  .platforms { grid-template-columns: repeat(3, 1fr); }
  .contact-grid, .about-grid, .svc, .svc.rev .svc-media { grid-template-columns: 1fr; }
  .svc.rev .svc-media { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: flex; }
  .site-header.menu-open { background: rgba(6,7,13,0.96); backdrop-filter: blur(14px); }
  .mobile-menu {
    display: none; flex-direction: column; gap: 4px;
    padding: 12px 24px 24px;
    border-bottom: 1px solid var(--border);
    background: rgba(6,7,13,0.96); backdrop-filter: blur(14px);
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a { padding: 13px 12px; border-radius: 10px; color: var(--muted); font-family: var(--font-head); font-weight: 600; }
  .mobile-menu a:hover, .mobile-menu a.active { background: rgba(255,255,255,0.05); color: #fff; }
  .mobile-menu .btn { margin-top: 10px; }

  .grid-3, .grid-4, .grid-2, .stats, .steps, .platforms { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .hero { padding: 40px 0 60px; }
  .cta-band { padding: 44px 24px; }
  .float-badge { display: none; }
  .pyramid .t1, .pyramid .t2 { max-width: 100%; }
  .case-metrics { gap: 14px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}