/* ============================================================
   蓝灵通科技 · 新蓝图ERP — 企业官网设计系统 v2.0
   Color: Tech Blue — 专业软件企业科技蓝色调
   Company: 蓝灵通科技  Product: 新蓝图ERP
   ============================================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================================
   DESIGN TOKENS — 设计令牌
   ============================================================ */
:root {
  /* ── Blue Scale (科技蓝主色系) ── */
  --blue-50:  #eff6ff;
  --blue-100: #dbeafe;
  --blue-200: #bfdbfe;
  --blue-300: #93c5fd;
  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --blue-700: #1d4ed8;
  --blue-800: #1e40af;
  --blue-900: #1e3a8a;
  --blue-950: #172554;

  /* ── Cyan accent (点睛色) ── */
  --cyan-400: #22d3ee;
  --cyan-500: #06b6d4;
  --cyan-600: #0891b2;

  /* ── Deep Brand Blue (品牌主色) ── */
  --brand-primary:   #1a5cf0;   /* 主品牌蓝 */
  --brand-secondary: #0ea5e9;   /* 天蓝点缀 */
  --brand-dark:      #0f2d6e;   /* 深蓝导航/Hero背景 */
  --brand-darker:    #091b45;   /* 最深蓝 */
  --brand-light:     #e8f1ff;   /* 浅蓝背景 */
  --brand-gradient:  linear-gradient(135deg, #0f2d6e 0%, #1a5cf0 50%, #0ea5e9 100%);
  --brand-gradient-soft: linear-gradient(135deg, #1a5cf0 0%, #06b6d4 100%);

  /* ── Neutral (冷灰，带蓝偏) ── */
  --gray-50:  #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* ── Semantic ── */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error:   #ef4444;
  --color-info:    #3b82f6;

  /* ── Surfaces ── */
  --surface-page:  #f8fafc;
  --surface-card:  #ffffff;
  --surface-nav:   rgba(255,255,255,0.97);
  --text-primary:  #0f172a;
  --text-secondary: #475569;
  --text-muted:    #94a3b8;
  --border-subtle: #e2e8f0;
  --border-default: #cbd5e1;

  /* ── Typography ── */
  --font-sans:    'Noto Sans SC', 'Inter', system-ui, sans-serif;
  --font-en:      'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  /* ── Font Scale ── */
  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg:   1.125rem;   /* 18px */
  --text-xl:   1.25rem;    /* 20px */
  --text-2xl:  1.5rem;     /* 24px */
  --text-3xl:  1.875rem;   /* 30px */
  --text-4xl:  2.25rem;    /* 36px */
  --text-5xl:  3rem;       /* 48px */
  --text-6xl:  3.75rem;    /* 60px */

  /* ── Spacing ── */
  --sp-1: 0.25rem; --sp-2: 0.5rem; --sp-3: 0.75rem;
  --sp-4: 1rem;    --sp-5: 1.25rem; --sp-6: 1.5rem;
  --sp-8: 2rem;    --sp-10: 2.5rem; --sp-12: 3rem;
  --sp-16: 4rem;   --sp-20: 5rem;   --sp-24: 6rem;
  --sp-32: 8rem;

  /* ── Radii ── */
  --radius-sm:  0.375rem;
  --radius-md:  0.5rem;
  --radius-lg:  0.75rem;
  --radius-xl:  1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* ── Shadows ── */
  --shadow-xs:  0 1px 2px 0 rgb(0 0 0/0.05);
  --shadow-sm:  0 1px 3px 0 rgb(0 0 0/0.1), 0 1px 2px -1px rgb(0 0 0/0.1);
  --shadow-md:  0 4px 6px -1px rgb(0 0 0/0.1), 0 2px 4px -2px rgb(0 0 0/0.1);
  --shadow-lg:  0 10px 15px -3px rgb(0 0 0/0.1), 0 4px 6px -4px rgb(0 0 0/0.1);
  --shadow-xl:  0 20px 25px -5px rgb(0 0 0/0.1), 0 8px 10px -6px rgb(0 0 0/0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0/0.25);
  --shadow-blue: 0 4px 20px rgb(26 92 240/0.25);
  --shadow-blue-lg: 0 8px 40px rgb(26 92 240/0.35);

  /* ── Transitions ── */
  --ease-fast:   150ms cubic-bezier(0.4,0,0.2,1);
  --ease-normal: 300ms cubic-bezier(0.4,0,0.2,1);
  --ease-slow:   500ms cubic-bezier(0.4,0,0.2,1);

  /* ── Z-Index ── */
  --z-nav:     1000;
  --z-modal:   2000;
  --z-tooltip: 3000;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--surface-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }
input, textarea, select { font-family: inherit; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1,h2,h3,h4,h5,h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.text-gradient {
  background: var(--brand-gradient-soft);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-4);
  background: var(--blue-100);
  color: var(--brand-primary);
  border: 1px solid var(--blue-200);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: var(--sp-4);
}

.section-title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: var(--sp-4);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

.section {
  padding: var(--sp-24) 0;
}

.section--alt {
  background-color: var(--blue-50);
}

.section--dark {
  background: var(--brand-gradient);
  color: white;
}

.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--sp-8); }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--sp-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--sp-6); }

.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.text-center { text-align: center; }
.text-left { text-align: left; }

/* ============================================================
   NAVIGATION — 顶部导航
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  background: var(--surface-nav);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: box-shadow var(--ease-normal), background var(--ease-normal);
}

.nav.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255,255,255,0.98);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  padding: 0 var(--sp-6);
  max-width: 1280px;
  margin: 0 auto;
}

/* Logo */
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--brand-dark);
  flex-shrink: 0;
}

.nav__logo-icon {
  width: 40px;
  height: 40px;
  background: var(--brand-gradient-soft);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.1rem;
  font-weight: 900;
  font-family: var(--font-en);
  box-shadow: var(--shadow-blue);
  flex-shrink: 0;
}

.nav__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav__logo-company {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.05em;
}

.nav__logo-product {
  font-size: var(--text-base);
  font-weight: 800;
  color: var(--brand-dark);
  letter-spacing: -0.02em;
}

/* Nav Links */
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.nav__link {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--ease-fast);
  white-space: nowrap;
}

.nav__link:hover, .nav__link.active {
  color: var(--brand-primary);
  background: var(--blue-50);
}

.nav__link svg { width: 14px; height: 14px; flex-shrink: 0; }

/* Dropdown */
.nav__dropdown {
  position: relative;
}

.nav__dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: white;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--sp-2);
  min-width: 180px;
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-8px);
  transition: all var(--ease-fast);
  z-index: var(--z-nav);
}

.nav__dropdown:hover .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav__dropdown-item {
  display: block;
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--ease-fast);
}

.nav__dropdown-item:hover {
  background: var(--blue-50);
  color: var(--brand-primary);
}

/* Nav CTA */
.nav__cta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.btn-nav-demo {
  padding: var(--sp-2) var(--sp-5);
  background: var(--brand-primary);
  color: white;
  border: none;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--ease-fast);
  box-shadow: var(--shadow-blue);
}

.btn-nav-demo:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-blue-lg);
}

.btn-nav-login {
  padding: var(--sp-2) var(--sp-4);
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--ease-fast);
}

.btn-nav-login:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

/* Mobile menu */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: var(--sp-2);
  cursor: pointer;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--ease-fast);
}

.nav__mobile {
  display: none;
  background: white;
  padding: var(--sp-4) var(--sp-6);
  border-top: 1px solid var(--border-subtle);
}

.nav__mobile.open { display: block; }

.nav__mobile-link {
  display: block;
  padding: var(--sp-3) 0;
  font-size: var(--text-base);
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--ease-fast);
}

.nav__mobile-link:last-child { border-bottom: none; }
.nav__mobile-link:hover { color: var(--brand-primary); }

/* ============================================================
   BUTTONS — 按钮系统
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-6);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--ease-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 3px solid var(--brand-primary);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--brand-primary);
  color: white;
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  background: var(--brand-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-blue-lg);
}

.btn-secondary {
  background: white;
  color: var(--brand-primary);
  border: 2px solid var(--brand-primary);
}

.btn-secondary:hover {
  background: var(--blue-50);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255,255,255,0.12);
  color: white;
  border: 1.5px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}

.btn-lg {
  padding: var(--sp-4) var(--sp-8);
  font-size: var(--text-lg);
}

.btn-sm {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-sm);
}

.btn svg { width: 18px; height: 18px; }
.btn-sm svg { width: 16px; height: 16px; }

/* ============================================================
   CARDS — 卡片系统
   ============================================================ */
.card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  transition: all var(--ease-normal);
}

.card:hover {
  border-color: var(--blue-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card--blue {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
  border: none;
  color: white;
}

.card--feature {
  text-align: center;
  padding: var(--sp-10) var(--sp-8);
}

.card__icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-6);
  font-size: 1.75rem;
}

.card--feature .card__icon {
  margin: 0 auto var(--sp-6);
}

.card__icon--blue   { background: var(--blue-100);  color: var(--blue-600); }
.card__icon--cyan   { background: #e0f7fa; color: var(--cyan-600); }
.card__icon--indigo { background: #ede9fe; color: #7c3aed; }
.card__icon--green  { background: #d1fae5; color: #059669; }
.card__icon--orange { background: #ffedd5; color: #ea580c; }
.card__icon--purple { background: #f3e8ff; color: #9333ea; }

.card__title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--sp-3);
  color: var(--text-primary);
}

.card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   FORM ELEMENTS
   ============================================================ */
.form-group { margin-bottom: var(--sp-5); }

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
}

.form-label .required { color: var(--color-error); margin-left: 2px; }

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: white;
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  transition: all var(--ease-fast);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(26,92,240,0.12);
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea { resize: vertical; min-height: 120px; }
.form-select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; }

/* ============================================================
   BADGES & TAGS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.badge--blue   { background: var(--blue-100);  color: var(--blue-700); }
.badge--cyan   { background: #cffafe;  color: var(--cyan-600); }
.badge--green  { background: #d1fae5;  color: #065f46; }
.badge--orange { background: #ffedd5;  color: #c2410c; }
.badge--purple { background: #ede9fe;  color: #7c3aed; }
.badge--gray   { background: var(--gray-100); color: var(--gray-600); }
.badge--new    { background: linear-gradient(90deg,var(--brand-primary),var(--cyan-500)); color: white; }

/* ============================================================
   STAT COUNTERS — 数据统计
   ============================================================ */
.stats-bar {
  background: var(--brand-dark);
  padding: var(--sp-8) 0;
}

.stats-bar__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-8);
  text-align: center;
}

.stat-item__num {
  font-size: var(--text-4xl);
  font-weight: 900;
  font-family: var(--font-en);
  color: white;
  line-height: 1;
  margin-bottom: var(--sp-1);
}

.stat-item__num .unit {
  font-size: var(--text-2xl);
  color: var(--cyan-400);
}

.stat-item__label {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
  flex-wrap: wrap;
}

.breadcrumb__item { display: flex; align-items: center; gap: var(--sp-2); }
.breadcrumb__item a { color: var(--text-muted); transition: color var(--ease-fast); }
.breadcrumb__item a:hover { color: var(--brand-primary); }
.breadcrumb__item.current { color: var(--text-secondary); }
.breadcrumb__sep { color: var(--border-default); font-size: 12px; }

/* ============================================================
   PAGE HERO — 内页顶部横幅
   ============================================================ */
.page-hero {
  background: var(--brand-gradient);
  padding: calc(68px + var(--sp-16)) 0 var(--sp-16);
  position: relative;
  overflow: hidden;
  color: white;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-hero__breadcrumb {
  margin-bottom: var(--sp-6);
  opacity: 0.75;
}

.page-hero__breadcrumb .breadcrumb__item a,
.page-hero__breadcrumb .breadcrumb__item.current,
.page-hero__breadcrumb .breadcrumb__sep {
  color: rgba(255,255,255,0.8);
}

.page-hero__title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  color: white;
  margin-bottom: var(--sp-4);
}

.page-hero__subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.8);
  max-width: 600px;
  line-height: 1.7;
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  margin-top: var(--sp-12);
}

.pagination__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--border-default);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  background: white;
  transition: all var(--ease-fast);
  cursor: pointer;
}

.pagination__btn:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: var(--blue-50);
}

.pagination__btn.active {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: white;
}

.pagination__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ============================================================
   FOOTER — 页脚
   ============================================================ */
.footer {
  background: var(--brand-darker);
  color: rgba(255,255,255,0.7);
}

.footer__main {
  padding: var(--sp-20) 0 var(--sp-12);
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: var(--sp-12);
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.footer__brand-logo .logo-icon {
  width: 42px;
  height: 42px;
  background: var(--brand-gradient-soft);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-family: var(--font-en);
  color: white;
  font-size: 1rem;
}

.footer__brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.footer__brand-company { font-size: var(--text-xs); color: rgba(255,255,255,0.4); }
.footer__brand-product { font-size: var(--text-base); font-weight: 700; color: white; }

.footer__desc {
  font-size: var(--text-sm);
  line-height: 1.8;
  margin-bottom: var(--sp-6);
  color: rgba(255,255,255,0.5);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  margin-bottom: var(--sp-3);
}

.footer__contact-icon {
  width: 16px;
  height: 16px;
  color: var(--cyan-400);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer__col-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: white;
  margin-bottom: var(--sp-5);
  letter-spacing: 0.06em;
}

.footer__col-links { display: flex; flex-direction: column; gap: var(--sp-3); }

.footer__col-link {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  transition: color var(--ease-fast);
}

.footer__col-link:hover { color: var(--cyan-400); }

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--sp-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.footer__copyright {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
}

.footer__icp {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
  display: flex;
  gap: var(--sp-4);
}

.footer__icp a { color: rgba(255,255,255,0.35); transition: color var(--ease-fast); }
.footer__icp a:hover { color: rgba(255,255,255,0.6); }

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar {
  background: var(--blue-900);
  padding: var(--sp-5) 0;
}

.trust-bar__grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  color: rgba(255,255,255,0.85);
  font-size: var(--text-sm);
  font-weight: 500;
}

.trust-item__icon {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity:0; transform:translateY(30px); }
  to   { opacity:1; transform:translateY(0); }
}

@keyframes fadeIn {
  from { opacity:0; }
  to   { opacity:1; }
}

@keyframes pulse-blue {
  0%,100% { box-shadow: 0 0 0 0 rgba(26,92,240,0.4); }
  50%      { box-shadow: 0 0 0 12px rgba(26,92,240,0); }
}

@keyframes float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

@keyframes countUp { from { opacity:0; } to { opacity:1; } }

.anim-fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.anim-fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger delays */
.anim-delay-1 { transition-delay: 0.1s; }
.anim-delay-2 { transition-delay: 0.2s; }
.anim-delay-3 { transition-delay: 0.3s; }
.anim-delay-4 { transition-delay: 0.4s; }
.anim-delay-5 { transition-delay: 0.5s; }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--blue-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--brand-primary); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .nav__links, .nav__cta { display: none; }
  .nav__hamburger { display: flex; }
  .footer__main { grid-template-columns: 1fr 1fr; gap: var(--sp-10); }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .stats-bar__grid { grid-template-columns: repeat(2,1fr); gap: var(--sp-6); }
}

@media (max-width: 768px) {
  .container { padding: 0 var(--sp-4); }
  .section { padding: var(--sp-16) 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .footer__main { grid-template-columns: 1fr; gap: var(--sp-8); }
  .section-title { font-size: var(--text-3xl); }
  .trust-bar__grid { justify-content: center; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .footer__icp { justify-content: center; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .stats-bar__grid { grid-template-columns: repeat(2,1fr); }
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.hidden { display: none !important; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; }
.mt-2 { margin-top: var(--sp-2); }
.mt-4 { margin-top: var(--sp-4); }
.mt-6 { margin-top: var(--sp-6); }
.mt-8 { margin-top: var(--sp-8); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-6 { margin-bottom: var(--sp-6); }
.mb-8 { margin-bottom: var(--sp-8); }
.gap-4 { gap: var(--sp-4); }
.gap-6 { gap: var(--sp-6); }
.rounded-full { border-radius: var(--radius-full); }
.w-full { width: 100%; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.font-bold { font-weight: 700; }
.text-white { color: white; }
.text-blue { color: var(--brand-primary); }
.text-cyan { color: var(--cyan-500); }
.bg-white { background: white; }
.opacity-80 { opacity: 0.8; }