/* ============================================
   全海宇智能科技 — 官网设计系统
   Brand: 苏州全海宇智能科技有限公司
   ============================================ */

:root {
  --brand-50:  #E6F6FD;
  --brand-100: #C9EBFA;
  --brand-200: #95D7F4;
  --brand-300: #5FC1EC;
  --brand-400: #2DA8E0;
  --brand-500: #00A6E0;
  --brand-600: #0284C7;
  --brand-700: #0369A1;
  --brand-800: #075985;
  --brand-900: #0C4A6E;

  --cyan-500: #06B6D4;
  --cyan-600: #0891B2;

  --ink-900: #0B1220;
  --ink-800: #0F172A;
  --ink-700: #1E293B;
  --ink-600: #334155;
  --ink-500: #475569;
  --ink-400: #64748B;
  --ink-300: #94A3B8;
  --ink-200: #CBD5E1;
  --ink-100: #E2E8F0;
  --ink-50:  #F1F5F9;

  --bg:      #F8FAFC;
  --bg-alt:  #FFFFFF;
  --border:  rgba(15,23,42,.08);
  --border-strong: rgba(15,23,42,.14);

  --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
  --shadow-md: 0 6px 20px -8px rgba(15,23,42,.12), 0 2px 6px -2px rgba(15,23,42,.06);
  --shadow-lg: 0 24px 48px -16px rgba(15,23,42,.20), 0 8px 16px -6px rgba(15,23,42,.08);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  --font-cn: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-en: "Inter", system-ui, sans-serif;
  --font-base: "Noto Sans SC", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --container: 1200px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-800);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s var(--ease); }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
ul { list-style: none; padding: 0; margin: 0; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ HEADER ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 0;
  background: rgba(255,255,255,.7);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: all .3s var(--ease);
}
.site-header.scrolled {
  background: rgba(255,255,255,.92);
  border-bottom-color: var(--border);
  padding: 10px 0;
  box-shadow: var(--shadow-sm);
}
.nav-row {
  display: flex; align-items: center; gap: 24px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  flex-shrink: 0;
}
.brand-mark {
  height: 44px; width: auto;
  transition: transform .3s var(--ease);
}
.site-header.scrolled .brand-mark { height: 38px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
  font-weight: 800; font-size: 18px;
  color: var(--brand-600);
  letter-spacing: .5px;
}
.brand-tag {
  font-family: var(--font-en);
  font-size: 11px; font-weight: 600;
  color: var(--ink-400);
  letter-spacing: 2px;
}
.primary-nav {
  display: flex; gap: 6px;
  margin-left: auto;
}
.nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 15px; font-weight: 500;
  color: var(--ink-700);
  border-radius: var(--radius-pill);
  transition: all .2s var(--ease);
}
.nav-link:hover { color: var(--brand-600); background: var(--brand-50); }
.nav-link.active { color: var(--brand-600); }
.nav-link.active::after {
  content: ""; position: absolute; left: 50%; bottom: -2px;
  transform: translateX(-50%);
  width: 18px; height: 3px;
  background: var(--brand-500);
  border-radius: 2px;
}
.nav-cta {
  display: flex; gap: 10px; margin-left: 12px;
}
.nav-burger {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column; gap: 5px;
  align-items: center; justify-content: center;
  border-radius: 8px;
  background: var(--ink-50);
}
.nav-burger span {
  display: block; width: 20px; height: 2px;
  background: var(--ink-800);
  border-radius: 2px;
  transition: all .3s var(--ease);
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 15px;
  transition: all .25s var(--ease);
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn i { width: 18px; height: 18px; }
.btn-sm { padding: 9px 16px; font-size: 14px; }
.btn-sm i { width: 16px; height: 16px; }
.btn-lg { padding: 16px 28px; font-size: 16px; }
.btn-lg i { width: 20px; height: 20px; }

.btn-primary {
  background: linear-gradient(135deg, var(--brand-500) 0%, var(--brand-600) 100%);
  color: white;
  box-shadow: 0 6px 18px -6px rgba(2,132,199,.6);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(2,132,199,.55);
}
.btn-outline {
  background: white;
  color: var(--ink-800);
  border-color: var(--border-strong);
}
.btn-outline:hover {
  border-color: var(--brand-500);
  color: var(--brand-600);
  transform: translateY(-2px);
}
.btn-ghost { background: transparent; color: var(--ink-700); }
.btn-ghost:hover { background: var(--ink-50); color: var(--brand-600); }
.btn-white { background: white; color: var(--brand-700); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 24px -8px rgba(0,0,0,.2); }
.btn-outline-white {
  background: transparent; color: white; border-color: rgba(255,255,255,.4);
}
.btn-outline-white:hover { background: rgba(255,255,255,.1); border-color: white; }

/* ============ HERO ============ */
.hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
  background: linear-gradient(180deg, #F0F9FF 0%, #F8FAFC 60%);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .55; }
.orb-a {
  width: 520px; height: 520px;
  background: radial-gradient(circle, var(--brand-300) 0%, transparent 70%);
  top: -120px; left: -120px;
  animation: float 18s ease-in-out infinite;
}
.orb-b {
  width: 460px; height: 460px;
  background: radial-gradient(circle, var(--cyan-500) 0%, transparent 70%);
  top: 80px; right: -100px;
  opacity: .35;
  animation: float 22s ease-in-out infinite reverse;
}
.orb-c {
  width: 360px; height: 360px;
  background: radial-gradient(circle, var(--brand-500) 0%, transparent 70%);
  bottom: -180px; left: 40%;
  opacity: .25;
  animation: float 25s ease-in-out infinite;
}
.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(2,132,199,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(2,132,199,.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
@keyframes float {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(40px,-30px) scale(1.05); }
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px;
  align-items: center;
  min-height: 540px;
}
.hero-copy { z-index: 2; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px;
  background: rgba(255,255,255,.7);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 500;
  color: var(--ink-600);
  margin-bottom: 28px;
}
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--brand-500);
  box-shadow: 0 0 0 4px rgba(0,166,224,.2);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 4px rgba(0,166,224,.2); }
  50% { box-shadow: 0 0 0 8px rgba(0,166,224,.05); }
}
.hero-title {
  font-size: clamp(40px, 6vw, 76px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -1px;
  margin: 0 0 22px;
  color: var(--ink-900);
}
.grad-text {
  background: linear-gradient(135deg, var(--brand-500) 0%, var(--cyan-500) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: 18px; line-height: 1.7;
  color: var(--ink-500);
  max-width: 560px;
  margin: 0 0 36px;
}
.hero-actions { display: flex; gap: 14px; margin-bottom: 40px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 28px; flex-wrap: wrap; }
.meta-item {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 500; color: var(--ink-600);
}
.meta-item i { width: 16px; height: 16px; color: var(--brand-600); }

.hero-visual { position: relative; height: 540px; }
.float-card {
  position: absolute;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.float-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.fc-1 {
  width: 280px; height: 340px;
  top: 20px; left: 30px;
  animation: floatY 6s ease-in-out infinite;
}
.fc-2 {
  width: 240px; height: 280px;
  top: 80px; right: 20px;
  animation: floatY 7s ease-in-out infinite reverse;
  animation-delay: .5s;
}
.fc-3 {
  width: 220px; height: 240px;
  bottom: 20px; left: 50%;
  margin-left: -110px;
  animation: floatY 8s ease-in-out infinite;
  animation-delay: 1s;
}
.fc-meta {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 14px 16px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.7));
  color: white;
  display: flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 600;
}
.tag {
  background: var(--brand-500); color: white;
  padding: 3px 9px; border-radius: var(--radius-pill);
  font-size: 11px; font-weight: 700;
}
.tag-cyan { background: var(--cyan-500); }
.tag-magenta { background: #EC4899; }
@keyframes floatY {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-14px); }
}
.hero-badge {
  position: absolute;
  bottom: -20px; right: -10px;
  width: 130px; height: 130px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-600), var(--cyan-500));
  color: white;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: spinSlow 18s linear infinite;
}
.hero-badge::before {
  content: ""; position: absolute; inset: 8px;
  border-radius: 50%; border: 2px dashed rgba(255,255,255,.3);
}
.badge-num { font-size: 28px; font-weight: 800; line-height: 1; }
.badge-lbl { font-size: 11px; margin-top: 4px; letter-spacing: 1px; }
@keyframes spinSlow { to { transform: rotate(360deg); } }

/* ============ TRUST STRIP ============ */
.trust-strip { padding: 56px 0; background: white; border-bottom: 1px solid var(--border); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.trust-cell { position: relative; }
.trust-cell:not(:last-child)::after {
  content: ""; position: absolute;
  right: -15px; top: 50%; transform: translateY(-50%);
  width: 1px; height: 50px; background: var(--border);
}
.trust-num {
  font-family: var(--font-en);
  font-size: 44px; font-weight: 800;
  background: linear-gradient(135deg, var(--brand-600), var(--cyan-500));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1; margin-bottom: 8px;
}
.trust-lbl { font-size: 14px; color: var(--ink-500); }

/* ============ SECTIONS ============ */
.section { padding: 100px 0; }
.section-alt { background: linear-gradient(180deg, #F0F9FF 0%, #F8FAFC 100%); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.kicker {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 12px; font-weight: 700;
  color: var(--brand-600); letter-spacing: 2px;
  margin-bottom: 14px;
}
.kicker-on-dark { color: var(--brand-200); }
.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800; line-height: 1.2;
  letter-spacing: -.5px; color: var(--ink-900); margin: 0 0 16px;
}
.section-title.light { color: white; }
.section-sub { font-size: 17px; color: var(--ink-500); margin: 0; }
.section-sub.light-sub { color: rgba(255,255,255,.7); }

/* ============ BENTO ============ */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 240px;
  gap: 22px;
}
.bento-card {
  grid-column: span 2;
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all .3s var(--ease);
  display: flex; flex-direction: column;
}
.bento-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.bento-lg { grid-column: span 3; grid-row: span 2; }
.bento-media {
  position: relative; flex: 1;
  background: linear-gradient(135deg, var(--brand-50), var(--bg));
  overflow: hidden;
}
.bento-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease);
}
.bento-card:hover .bento-media img { transform: scale(1.06); }
.bento-body { padding: 22px 24px; display: flex; flex-direction: column; gap: 6px; }
.bento-tag {
  font-family: var(--font-en);
  font-size: 11px; font-weight: 700;
  color: var(--accent, var(--brand-600));
  letter-spacing: 2px; margin-bottom: 4px;
}
.bento-card h3 { font-size: 22px; font-weight: 800; margin: 0; color: var(--ink-900); }
.bento-card p { font-size: 14px; color: var(--ink-500); margin: 0; line-height: 1.5; }
.bento-link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: auto; padding-top: 8px;
  font-size: 14px; font-weight: 600;
  color: var(--accent, var(--brand-600));
}
.bento-link i { width: 16px; height: 16px; transition: transform .3s var(--ease); }
.bento-card:hover .bento-link i { transform: translateX(4px); }

.bento-cta {
  background: linear-gradient(135deg, var(--brand-600) 0%, var(--brand-700) 50%, var(--ink-800) 100%);
  color: white; border: 0;
}
.bento-cta::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(6,182,212,.35), transparent 60%);
  pointer-events: none;
}
.bento-cta-body {
  position: relative; padding: 28px;
  display: flex; flex-direction: column; gap: 10px;
  height: 100%; justify-content: center;
}
.cta-icon {
  width: 56px; height: 56px;
  background: rgba(255,255,255,.15);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 8px;
}
.cta-icon i { width: 28px; height: 28px; color: white; }
.bento-cta h3 { color: white; font-size: 24px; }
.bento-cta p { color: rgba(255,255,255,.7); font-size: 14px; margin: 0; }
.bento-cta .btn { align-self: flex-start; margin-top: 12px; }

/* ============ PRODUCT GRID ============ */
.product-tabs { display: flex; gap: 8px; justify-content: center; margin-bottom: 40px; flex-wrap: wrap; }
.tab {
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  background: white; color: var(--ink-600);
  font-size: 14px; font-weight: 600;
  border: 1px solid var(--border);
  transition: all .2s var(--ease);
}
.tab:hover { color: var(--brand-600); border-color: var(--brand-300); }
.tab.active {
  background: linear-gradient(135deg, var(--brand-500), var(--brand-600));
  color: white; border-color: transparent;
  box-shadow: 0 6px 18px -6px rgba(2,132,199,.5);
}
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product-card {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all .3s var(--ease);
  display: flex; flex-direction: column;
}
.product-card.hide { display: none; }
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--brand-200);
}
.product-media {
  aspect-ratio: 1;
  background: linear-gradient(135deg, #FAFCFE, #F0F9FF);
  overflow: hidden; position: relative;
}
.product-media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s var(--ease);
}
.product-card:hover .product-media img { transform: scale(1.08); }
.product-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.badge {
  align-self: flex-start;
  font-size: 11px; font-weight: 700;
  padding: 4px 10px; border-radius: var(--radius-pill);
  letter-spacing: .5px;
}
.badge-blue { background: rgba(2,132,199,.1); color: var(--brand-700); }
.badge-cyan { background: rgba(6,182,212,.1); color: var(--cyan-600); }
.badge-sky { background: rgba(14,165,233,.1); color: #0369A1; }
.product-title {
  font-size: 15px; font-weight: 600; line-height: 1.5; margin: 0;
  color: var(--ink-800);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.product-foot {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto; padding-top: 8px; border-top: 1px solid var(--border);
}
.supplier { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-500); }
.supplier i { width: 14px; height: 14px; }
.arrow {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--brand-50); color: var(--brand-600);
  display: flex; align-items: center; justify-content: center;
  transition: all .25s var(--ease);
}
.arrow i { width: 16px; height: 16px; }
.product-card:hover .arrow { background: var(--brand-500); color: white; transform: rotate(-45deg); }
.grid-more { display: flex; justify-content: center; margin-top: 50px; }

/* ============ WHY GRID ============ */
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.why-card {
  background: white; padding: 32px 26px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all .3s var(--ease);
}
.why-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.why-icon {
  width: 56px; height: 56px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.why-icon i { width: 28px; height: 28px; }
.why-card h3 { font-size: 20px; font-weight: 700; margin: 0 0 10px; color: var(--ink-900); }
.why-card p { font-size: 14px; line-height: 1.7; color: var(--ink-500); margin: 0; }

/* ============ PROCESS ============ */
.section-process {
  background: linear-gradient(135deg, var(--ink-900) 0%, #0C4A6E 60%, var(--brand-700) 100%);
  color: white; position: relative; overflow: hidden;
}
.section-process::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 10% 20%, rgba(6,182,212,.3), transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(0,166,224,.25), transparent 40%);
  pointer-events: none;
}
.section-process .container { position: relative; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-top: 30px; }
.step {
  position: relative; padding: 36px 28px;
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  transition: all .3s var(--ease);
}
.step:hover { background: rgba(255,255,255,.10); transform: translateY(-6px); }
.step-num {
  font-family: var(--font-en);
  font-size: 14px; font-weight: 800;
  color: var(--brand-300); letter-spacing: 1px; margin-bottom: 18px;
}
.step-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, var(--brand-500), var(--cyan-500));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  box-shadow: 0 8px 20px -8px rgba(6,182,212,.6);
}
.step-icon i { width: 26px; height: 26px; color: white; }
.step h4 { font-size: 20px; font-weight: 700; margin: 0 0 8px; }
.step p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.7); margin: 0; }

/* ============ ABOUT ============ */
.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 80px; align-items: center; }
.about-media { position: relative; height: 480px; }
.about-deco {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--brand-500), var(--cyan-500));
  border-radius: var(--radius-xl);
  transform: rotate(-3deg); opacity: .15;
}
.about-card-stack { position: relative; height: 100%; }
.about-stat-card {
  position: absolute; background: white;
  padding: 24px 28px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); border: 1px solid var(--border);
}
.asc-1 { top: 30px; left: 20px; transform: rotate(-4deg); animation: floatY 6s ease-in-out infinite; }
.asc-2 { top: 180px; right: 0; transform: rotate(5deg); animation: floatY 7s ease-in-out infinite reverse; animation-delay: .5s; }
.asc-3 { bottom: 30px; left: 60px; transform: rotate(-2deg); animation: floatY 8s ease-in-out infinite; animation-delay: 1s; }
.asc-num {
  font-family: var(--font-en);
  font-size: 36px; font-weight: 800;
  background: linear-gradient(135deg, var(--brand-600), var(--cyan-500));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1;
}
.asc-lbl { margin-top: 6px; font-size: 13px; color: var(--ink-500); }
.about-copy .kicker { text-align: left; }
.about-copy .section-title { text-align: left; }
.about-lead { font-size: 18px; line-height: 1.7; color: var(--ink-700); margin: 0 0 18px; font-weight: 500; }
.about-text { font-size: 16px; line-height: 1.8; color: var(--ink-500); margin: 0 0 28px; }
.about-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 20px; margin-bottom: 32px; }
.about-list li {
  display: flex; align-items: center; gap: 10px;
  font-size: 15px; color: var(--ink-700); font-weight: 500;
}
.about-list i { width: 18px; height: 18px; color: var(--brand-500); flex-shrink: 0; }

/* ============ CTA ============ */
.cta-section { padding: 80px 0 100px; background: var(--bg); }
.cta-card {
  position: relative;
  background: linear-gradient(135deg, var(--brand-600) 0%, var(--ink-900) 100%);
  border-radius: var(--radius-xl);
  padding: 64px 60px;
  color: white;
  overflow: hidden;
  text-align: center;
}
.cta-deco {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    radial-gradient(circle at 15% 30%, rgba(6,182,212,.4), transparent 50%),
    radial-gradient(circle at 85% 70%, rgba(0,166,224,.3), transparent 50%);
}
.cta-card .container { position: relative; }
.cta-content { position: relative; margin-bottom: 36px; }
.cta-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800; line-height: 1.2;
  margin: 14px 0 16px;
}
.cta-sub { font-size: 17px; color: rgba(255,255,255,.75); margin: 0; }
.cta-actions { position: relative; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-foot {
  position: relative;
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,.15);
}
.cta-foot-item {
  display: flex; align-items: center; gap: 14px;
  justify-content: center; text-align: left;
}
.cta-foot-item i { width: 24px; height: 24px; color: var(--brand-200); flex-shrink: 0; }
.cta-foot-item small { display: block; font-size: 12px; color: rgba(255,255,255,.6); }
.cta-foot-item strong { display: block; font-size: 16px; font-weight: 600; color: white; }

/* ============ FOOTER ============ */
.site-footer { background: var(--ink-900); color: rgba(255,255,255,.7); padding: 70px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
}
.footer-brand .brand { margin-bottom: 20px; }
.footer-brand .brand-name { color: white; }
.footer-brand .brand-tag { color: var(--brand-300); }
.footer-desc { font-size: 14px; line-height: 1.7; margin: 0 0 20px; max-width: 360px; }
.socials { display: flex; gap: 10px; }
.socials a {
  width: 40px; height: 40px; border-radius: 12px;
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  transition: all .25s var(--ease);
}
.socials a:hover { background: var(--brand-600); color: white; transform: translateY(-2px); }
.socials i { width: 18px; height: 18px; }
.footer-col h5 {
  font-size: 15px; font-weight: 700; color: white;
  margin: 0 0 18px;
}
.footer-col a {
  display: block; padding: 6px 0;
  font-size: 14px; color: rgba(255,255,255,.6);
  transition: all .2s var(--ease);
}
.footer-col a:hover { color: var(--brand-300); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 24px 0; }
.fb-row {
  display: flex; justify-content: space-between;
  font-size: 13px; color: rgba(255,255,255,.5);
  flex-wrap: wrap; gap: 10px;
}
.fb-col {
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  font-size: 13px; color: rgba(255,255,255,.55);
  gap: 6px;
}
.footer-tel { color: var(--brand-300); font-weight: 600; }
.footer-tel:hover { color: white; }

/* ============ REVEAL ANIMATION ============ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { height: 420px; }
  .bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: auto; }
  .bento-lg { grid-column: span 2; grid-row: auto; }
  .bento-card { grid-column: span 1; min-height: 360px; }
  .bento-cta { grid-column: span 2; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-media { height: 400px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .primary-nav, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .nav-row { gap: 12px; }
  .brand-text { display: none; }
  .hero { padding: 120px 0 60px; }
  .hero-title { font-size: 42px; }
  .hero-sub { font-size: 16px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-visual { height: 380px; }
  .fc-1 { width: 200px; height: 240px; left: 10px; }
  .fc-2 { width: 180px; height: 200px; right: 10px; }
  .fc-3 { width: 160px; height: 180px; margin-left: -80px; }
  .hero-badge { width: 100px; height: 100px; bottom: 0; right: 0; }
  .badge-num { font-size: 22px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .trust-cell:nth-child(2)::after { display: none; }
  .section { padding: 64px 0; }
  .bento { grid-template-columns: 1fr; }
  .bento-lg, .bento-card, .bento-cta { grid-column: span 1; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .about-list { grid-template-columns: 1fr; }
  .cta-card { padding: 40px 24px; }
  .cta-foot { grid-template-columns: 1fr; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .fb-row { flex-direction: column; text-align: center; }
  .fb-col { font-size: 12px; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-cell::after { display: none !important; }
}

/* Mobile nav open state */
body.nav-open .primary-nav {
  display: flex;
  position: fixed;
  top: 64px; left: 0; right: 0;
  flex-direction: column;
  background: white;
  padding: 20px 24px;
  gap: 4px;
  box-shadow: var(--shadow-lg);
  border-bottom: 1px solid var(--border);
}
body.nav-open .nav-link { padding: 14px 16px; }
body.nav-open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.nav-open .nav-burger span:nth-child(2) { opacity: 0; }
body.nav-open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}