/* ========================================
   百顺当考证网 - 全局样式 v2
   Color: 深蓝 #0f1f3d + 金色 #c8960c + 白
   ======================================== */

:root {
  --primary: #0f1f3d;
  --primary-light: #1a3359;
  --primary-dark: #0a1528;
  --accent: #c8960c;
  --accent-light: #e6b422;
  --accent-dark: #a07808;
  --white: #ffffff;
  --off-white: #fafaf9;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --green: #059669;
  --red: #dc2626;
  --blue: #2563eb;
  --purple: #7c3aed;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --font-heading: 'Noto Serif SC', 'STSong', 'SimSun', 'Songti SC', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --max-width: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--gray-700); background: var(--off-white); line-height: 1.8; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--gray-900); }
h1 { font-size: 2.6rem; font-weight: 700; }
h2 { font-size: 1.9rem; font-weight: 700; }
h3 { font-size: 1.3rem; font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ========== BUTTONS ========== */
.btn { display: inline-block; padding: 12px 28px; border-radius: 8px; font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: all 0.25s; border: none; text-align: center; }
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(200,150,12,0.3); }
.btn-outline { border: 2px solid rgba(255,255,255,0.35); color: var(--white); background: transparent; }
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.06); }
.btn-white { background: var(--white); color: var(--primary); }
.btn-white:hover { background: var(--gray-100); transform: translateY(-1px); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 16px 40px; font-size: 1.08rem; border-radius: 10px; }

/* ========== NAVBAR ========== */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--gray-200); }
.navbar.scrolled { box-shadow: var(--shadow-md); }
.nav-inner { max-width: var(--max-width); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; height: 70px; }
.nav-logo { display: flex; align-items: center; gap: 10px; font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700; color: var(--primary); white-space: nowrap; }
.nav-logo .logo-icon { width: 38px; height: 38px; background: linear-gradient(135deg, var(--accent), var(--accent-light)); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 1.1rem; font-weight: 700; }
.nav-links { display: flex; gap: 2px; list-style: none; align-items: center; }
.nav-links > li { position: relative; }
.nav-links > li > a { display: block; padding: 10px 14px; border-radius: 6px; font-size: 0.9rem; font-weight: 500; color: var(--gray-600); transition: all 0.2s; white-space: nowrap; }
.nav-links > li > a:hover { color: var(--accent); background: rgba(200,150,12,0.06); }
.nav-links .nav-cta { margin-left: 8px; background: var(--accent); color: var(--white) !important; border-radius: 8px; font-weight: 600 !important; padding: 10px 18px; }
.nav-links .nav-cta:hover { background: var(--accent-dark) !important; }

/* Nav dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown > a::after { content: ' ▾'; font-size: 0.7rem; }
.nav-dropdown-menu { display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); padding: 12px 0; min-width: 520px; z-index: 1001; margin-top: 4px; }
.nav-dropdown:hover .nav-dropdown-menu { display: block; }
.nav-dropdown-col { display: grid; grid-template-columns: repeat(2, 1fr); padding: 0 8px; }
.nav-dropdown-menu a { display: block; padding: 8px 20px; font-size: 0.85rem; color: var(--gray-600); white-space: nowrap; transition: all 0.15s; border-radius: 4px; margin: 0 4px; }
.nav-dropdown-menu a:hover { background: rgba(200,150,12,0.06); color: var(--accent); }
.nav-dropdown-menu .dropdown-header { font-size: 0.75rem; font-weight: 700; color: var(--accent); letter-spacing: 2px; padding: 10px 20px 6px; text-transform: uppercase; grid-column: 1 / -1; }

.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--gray-700); padding: 8px; }

@media (max-width: 1024px) {
  .nav-dropdown-menu { min-width: 360px; }
}

@media (max-width: 960px) {
  .nav-links { display: none; position: absolute; top: 70px; left: 0; right: 0; background: var(--white); flex-direction: column; padding: 16px; border-bottom: 1px solid var(--gray-200); box-shadow: var(--shadow-md); max-height: calc(100vh - 70px); overflow-y: auto; }
  .nav-links.active { display: flex; }
  .nav-links > li { width: 100%; }
  .nav-links > li > a { padding: 12px 16px; border-radius: 8px; }
  .nav-toggle { display: block; }
  .nav-dropdown-menu { position: static; transform: none; box-shadow: none; border: none; min-width: 0; padding: 0; margin: 0; background: var(--gray-50); border-radius: 8px; }
  .nav-dropdown:hover .nav-dropdown-menu { display: block; }
  .nav-dropdown-col { grid-template-columns: 1fr; padding: 8px; }
  .nav-dropdown-menu a { padding: 10px 16px; }
}

/* ========== HERO ========== */
.hero { padding: 150px 24px 100px; background: linear-gradient(160deg, #0a1528 0%, #0f1f3d 50%, #1a3359 100%); position: relative; overflow: hidden; text-align: center; color: var(--white); }
.hero::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle at 30% 60%, rgba(200,150,12,0.12) 0%, transparent 55%), radial-gradient(circle at 70% 30%, rgba(200,150,12,0.06) 0%, transparent 50%); pointer-events: none; }
.hero .container { position: relative; z-index: 1; }
.hero-badge { display: inline-block; padding: 6px 20px; border: 1px solid rgba(255,255,255,0.25); border-radius: 20px; font-size: 0.85rem; margin-bottom: 24px; background: rgba(255,255,255,0.06); letter-spacing: 3px; }
.hero-title { font-size: 2.8rem; color: var(--white); margin-bottom: 16px; line-height: 1.35; }
.hero-title span { color: var(--accent-light); }
.hero-subtitle { font-size: 1.08rem; color: rgba(255,255,255,0.72); margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* Hero Search */
.hero-search { max-width: 600px; margin: 0 auto 32px; display: flex; box-shadow: 0 8px 40px rgba(0,0,0,0.3); border-radius: 12px; overflow: hidden; }
.hero-search input { flex: 1; padding: 18px 24px; font-size: 1.05rem; border: none; outline: none; background: var(--white); color: var(--gray-800); }
.hero-search input::placeholder { color: var(--gray-400); }
.hero-search .search-btn { padding: 18px 36px; background: var(--accent); color: var(--white); border: none; font-size: 1.05rem; font-weight: 600; cursor: pointer; transition: background 0.2s; white-space: nowrap; }
.hero-search .search-btn:hover { background: var(--accent-dark); }

.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

@media (max-width: 640px) {
  .hero { padding: 130px 16px 70px; }
  .hero-title { font-size: 1.9rem; }
  .hero-search { flex-direction: column; border-radius: 10px; }
  .hero-search input { border-radius: 10px 10px 0 0; padding: 16px 20px; }
  .hero-search .search-btn { border-radius: 0 0 10px 10px; padding: 14px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 320px; }
}

/* ========== FEATURE BAR ========== */
.feature-bar { padding: 0 24px; margin-top: -40px; position: relative; z-index: 2; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); overflow: hidden; }
.feature-item { padding: 36px 24px; text-align: center; border-right: 1px solid var(--gray-100); }
.feature-item:last-child { border-right: none; }
.feature-num { font-size: 2.4rem; font-weight: 800; font-family: var(--font-heading); color: var(--accent); margin-bottom: 4px; line-height: 1.2; }
.feature-label { color: var(--gray-500); font-size: 0.9rem; }

@media (max-width: 768px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-item:nth-child(2) { border-right: none; }
  .feature-item { border-bottom: 1px solid var(--gray-100); padding: 28px 16px; }
}
@media (max-width: 480px) {
  .feature-item { padding: 22px 12px; }
  .feature-num { font-size: 1.8rem; }
}

/* ========== SECTION COMMON ========== */
.section-head { text-align: center; margin-bottom: 56px; }
.section-label { display: inline-block; font-size: 0.82rem; font-weight: 600; color: var(--accent); letter-spacing: 3px; text-transform: uppercase; margin-bottom: 12px; }
.section-title { margin-bottom: 12px; }
.section-desc { color: var(--gray-500); max-width: 660px; margin: 0 auto; font-size: 1.02rem; }

/* ========== CATEGORIES (HOME) ========== */
.categories { padding: 80px 0; }
.cat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
@media (max-width: 700px) { .cat-grid { grid-template-columns: 1fr; } }

.cat-card { background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--gray-200); overflow: hidden; transition: all 0.3s; display: block; }
.cat-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.cat-card-inner { display: flex; align-items: stretch; }
.cat-card-left { width: 85px; display: flex; align-items: center; justify-content: center; font-size: 2.4rem; color: var(--white); flex-shrink: 0; }
.cat-card-right { flex: 1; padding: 24px 20px; }
.cat-card-right .cat-title { font-size: 1.1rem; margin-bottom: 6px; color: var(--gray-800); font-family: var(--font-heading); }
.cat-card-right .cat-count { display: block; font-size: 0.82rem; color: var(--accent); font-weight: 600; margin-bottom: 10px; }
.cat-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.cat-tag { display: inline-block; padding: 3px 10px; background: var(--gray-100); border-radius: 14px; font-size: 0.78rem; color: var(--gray-600); }

/* ===== Search-matched cert tags (injected dynamically) ===== */
.search-matched-certs { margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--gray-200); display: flex; flex-wrap: wrap; gap: 5px; align-items: center; }
.search-matched-certs::before { content: '🎯 匹配证书：'; font-size: 0.72rem; color: var(--accent); font-weight: 600; white-space: nowrap; }
.search-match-tag { display: inline-block; padding: 4px 12px; background: var(--accent); color: #fff; border-radius: 14px; font-size: 0.78rem; text-decoration: none; transition: all 0.2s; font-weight: 500; }
.search-match-tag:hover { background: #b91c1c; transform: scale(1.05); box-shadow: 0 2px 8px rgba(220,38,38,0.3); }

/* card color variants */
.cat-card-left.c0 { background: linear-gradient(135deg, #1e3a5f, #2c5282); }
.cat-card-left.c1 { background: linear-gradient(135deg, #7c3aed, #a78bfa); }
.cat-card-left.c2 { background: linear-gradient(135deg, #059669, #34d399); }
.cat-card-left.c3 { background: linear-gradient(135deg, #dc2626, #f87171); }
.cat-card-left.c4 { background: linear-gradient(135deg, #2563eb, #60a5fa); }
.cat-card-left.c5 { background: linear-gradient(135deg, #ea580c, #fb923c); }
.cat-card-left.c6 { background: linear-gradient(135deg, #0891b2, #22d3ee); }
.cat-card-left.c7 { background: linear-gradient(135deg, #c026d3, #e879f9); }
.cat-card-left.c8 { background: linear-gradient(135deg, #ca8a04, #facc15); }
.cat-card-left.c9 { background: linear-gradient(135deg, #4f46e5, #818cf8); }

/* ========== WHY US ========== */
.why-us { padding: 80px 0; background: var(--white); }
.why-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.why-card { text-align: center; padding: 40px 26px; border-radius: var(--radius-lg); border: 1px solid var(--gray-200); transition: all 0.3s; background: var(--off-white); }
.why-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: var(--accent); }
.why-card .card-icon { width: 60px; height: 60px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 1.6rem; margin: 0 auto 18px; font-weight: 700; }
.why-card .card-icon.gold { background: rgba(200,150,12,0.1); color: var(--accent); }
.why-card .card-icon.dark { background: rgba(15,31,61,0.08); color: var(--primary); }
.why-title { font-size: 1.12rem; margin-bottom: 10px; color: var(--gray-800); }
.why-desc { font-size: 0.9rem; color: var(--gray-500); line-height: 1.7; }

@media (max-width: 900px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .why-grid { grid-template-columns: 1fr; } }

/* ========== PROCESS ========== */
.process { padding: 80px 0; background: var(--off-white); }
.process-flow { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: wrap; }
.process-step { flex: 1; min-width: 160px; max-width: 220px; text-align: center; padding: 0 12px; }
.step-num { width: 52px; height: 52px; background: linear-gradient(135deg, var(--accent), var(--accent-light)); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-weight: 700; font-size: 1.2rem; box-shadow: 0 4px 16px rgba(200,150,12,0.3); }
.step-title { font-size: 1.05rem; margin-bottom: 6px; color: var(--gray-800); }
.step-desc { font-size: 0.85rem; color: var(--gray-500); line-height: 1.6; }
.process-arrow { font-size: 1.6rem; color: var(--accent); font-weight: 300; padding: 0 4px; flex-shrink: 0; margin-bottom: 30px; }

@media (max-width: 768px) {
  .process-flow { flex-direction: column; gap: 0; }
  .process-step { max-width: 100%; margin-bottom: 24px; }
  .process-arrow { transform: rotate(90deg); margin-bottom: 8px; }
}

/* ========== CTA ========== */
.cta { padding: 72px 24px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--white); text-align: center; }
.cta-title { color: var(--white); margin-bottom: 12px; }
.cta-desc { color: rgba(255,255,255,0.78); margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto; font-size: 1.02rem; }
.cta .btn-lg { margin-top: 8px; }

/* ========== PAGE HEADER (sub pages) ========== */
.page-header { padding: 120px 24px 60px; background: linear-gradient(160deg, #0a1528, #0f1f3d); color: var(--white); text-align: center; }
.page-header h1 { color: var(--white); font-size: 2.4rem; }
.page-header p { color: rgba(255,255,255,0.7); font-size: 1.02rem; margin-top: 8px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* ========== SEARCH BAR (sub pages) ========== */
.search-bar { display: flex; max-width: 640px; margin: 32px auto 0; gap: 0; box-shadow: var(--shadow-md); border-radius: 10px; overflow: hidden; }
.search-bar input { flex: 1; padding: 14px 20px; border: none; font-size: 1rem; outline: none; background: var(--white); color: var(--gray-700); }
.search-bar button { padding: 14px 28px; background: var(--accent); color: var(--white); border: none; font-size: 1rem; font-weight: 600; cursor: pointer; transition: background 0.2s; white-space: nowrap; }
.search-bar button:hover { background: var(--accent-dark); }

/* ========== SUB-NAV TABS ========== */
.sub-nav-wrap { text-align: center; margin-bottom: 40px; }
.sub-nav-tabs { display: inline-flex; gap: 4px; background: var(--gray-100); border-radius: 10px; padding: 4px; flex-wrap: wrap; justify-content: center; }
.sub-nav-tabs a { padding: 10px 18px; border-radius: 8px; font-size: 0.88rem; font-weight: 500; color: var(--gray-600); transition: all 0.2s; white-space: nowrap; }
.sub-nav-tabs a:hover, .sub-nav-tabs a.active { background: var(--white); color: var(--accent); box-shadow: var(--shadow-sm); }

/* ========== CONTENT SECTION ========== */
.content-section { padding: 60px 0; }

/* ========== CERTIFICATE ACCORDION ========== */
.cert-section { margin-bottom: 48px; }
.cert-section h3 { color: var(--primary); margin-bottom: 16px; padding-bottom: 8px; border-bottom: 2px solid var(--accent); display: inline-block; font-size: 1.2rem; }

.cert-list { display: flex; flex-direction: column; gap: 12px; }
.cert-item { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md); overflow: hidden; transition: all 0.2s; }
.cert-item:hover { border-color: var(--accent); }
.cert-item.open { border-color: var(--accent); box-shadow: var(--shadow-sm); }

.cert-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; cursor: pointer; user-select: none; gap: 12px; }
.cert-header:hover { background: rgba(200,150,12,0.02); }
.cert-header-left { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.cert-icon { width: 36px; height: 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1rem; flex-shrink: 0; }
.cert-icon.i0 { background: #e0e7ff; color: #4f46e5; }
.cert-icon.i1 { background: #ede9fe; color: #7c3aed; }
.cert-icon.i2 { background: #d1fae5; color: #059669; }
.cert-icon.i3 { background: #fee2e2; color: #dc2626; }
.cert-icon.i4 { background: #dbeafe; color: #2563eb; }
.cert-icon.i5 { background: #fff7ed; color: #ea580c; }
.cert-header-left h4 { font-size: 0.95rem; color: var(--gray-800); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cert-level { font-size: 0.75rem; padding: 2px 8px; border-radius: 10px; font-weight: 500; white-space: nowrap; }
.cert-level.l1 { background: #d1fae5; color: #065f46; }
.cert-level.l2 { background: #fef3c7; color: #92400e; }
.cert-level.l3 { background: #dbeafe; color: #1e40af; }
.cert-header-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.cert-arrow { font-size: 0.8rem; color: var(--gray-400); transition: transform 0.3s; }
.cert-item.open .cert-arrow { transform: rotate(180deg); color: var(--accent); }

.cert-body { display: none; padding: 0 20px 20px; border-top: 1px solid var(--gray-100); }
.cert-item.open .cert-body { display: block; }
.cert-detail { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 16px; }
.cert-detail.single-col { grid-template-columns: 1fr; }
@media (max-width: 640px) { .cert-detail { grid-template-columns: 1fr; } }
.cert-field { background: var(--gray-50); border-radius: 8px; padding: 14px 16px; }
.cert-field .field-label { font-size: 0.78rem; font-weight: 600; color: var(--accent); margin-bottom: 4px; letter-spacing: 1px; }
.cert-field .field-value { font-size: 0.88rem; color: var(--gray-700); line-height: 1.6; }

/* ========== ABOUT PAGE ========== */
.about-page { padding: 80px 0; }
.about-intro { background: var(--white); border-radius: var(--radius-lg); padding: 40px; border: 1px solid var(--gray-200); margin-bottom: 40px; line-height: 2; }
.about-intro p { margin-bottom: 16px; color: var(--gray-600); }
.about-intro p:last-child { margin-bottom: 0; }

/* ========== FLOW / PROCESS STEPS (alt) ========== */
.flow-steps { display: flex; gap: 16px; flex-wrap: wrap; }
.flow-step { flex: 1; min-width: 160px; text-align: center; padding: 28px 18px; background: var(--white); border-radius: var(--radius-md); border: 1px solid var(--gray-200); position: relative; }
.flow-step::before { counter-increment: step; content: counter(step); width: 36px; height: 36px; background: var(--accent); color: var(--white); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 12px; font-weight: 700; font-size: 0.9rem; }
.flow-step h4 { font-size: 0.95rem; margin-bottom: 4px; }
.flow-step p { font-size: 0.82rem; color: var(--gray-500); }
.flow-steps { counter-reset: step; }

/* ========== CTA SECTION (alt) ========== */
.cta-section { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--white); text-align: center; padding: 72px 24px; }
.cta-section h2 { color: var(--white); margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,0.78); margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-phone { display: inline-block; font-size: 1.8rem; font-weight: 700; color: var(--accent-light); letter-spacing: 2px; margin-bottom: 24px; }
.cta-phone a { color: var(--accent-light); }

/* ========== CARDS GENERAL ========== */
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card { background: var(--white); border-radius: var(--radius-lg); padding: 32px 26px; border: 1px solid var(--gray-200); transition: all 0.3s; }
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-icon { width: 56px; height: 56px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 18px; }
.card-icon.dark { background: rgba(15,31,61,0.08); color: var(--primary); }
.card-icon.gold { background: rgba(200,150,12,0.1); color: var(--accent); }
.card h3 { margin-bottom: 10px; }
@media (max-width: 900px) { .cards-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cards-4 { grid-template-columns: 1fr; } }

/* ========== FOOTER ========== */
.footer { background: var(--gray-900); color: var(--gray-400); padding: 56px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
.footer h4 { color: var(--white); margin-bottom: 16px; font-size: 1.02rem; }
.footer p, .footer a { font-size: 0.88rem; line-height: 2; }
.footer a:hover { color: var(--accent-light); }
.footer .phone-num { color: var(--accent-light); font-size: 1.2rem; font-weight: 600; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; text-align: center; font-size: 0.8rem; }
.footer-bottom a { color: var(--gray-500); }
.footer-bottom a:hover { color: var(--accent-light); }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } }

/* ========== UTILS ========== */
.text-center { text-align: center; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-48 { margin-top: 48px; }
.mb-16 { margin-bottom: 16px; }
.mb-32 { margin-bottom: 32px; }

/* ========== MISC ========== */
/* section-bg for alternating backgrounds */
.section-bg { background: var(--white); }