/* VoiceBridgeX — Main Stylesheet */

:root {
  --bg-primary: #060c18;
  --bg-secondary: #0a1428;
  --bg-card: #0d1b2e;
  --bg-card-hover: #122240;
  --accent: #00d4ff;
  --accent-dim: rgba(0, 212, 255, 0.1);
  --accent-border: rgba(0, 212, 255, 0.2);
  --accent2: #6366f1;
  --accent2-dim: rgba(99, 102, 241, 0.1);
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(0, 212, 255, 0.2);
  --success: #10b981;
  --warning: #f59e0b;
  --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s ease;
  --nav-height: 70px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: #fff; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ─── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }
h4 { font-size: 1rem; }
p { color: var(--text-muted); }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 1rem;
}

.section-title { margin-bottom: 0.75rem; }
.section-sub { max-width: 560px; margin: 0 auto 3rem; text-align: center; }

/* ─── Layout ─────────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 90px 0; }
.section-alt { background: var(--bg-secondary); }
.text-center { text-align: center; }
.flex { display: flex; }
.grid { display: grid; }

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #060c18;
}
.btn-primary:hover {
  background: #fff;
  color: #060c18;
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.4);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent-border);
}
.btn-outline:hover {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.btn-lg { padding: 15px 36px; font-size: 1rem; }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }

/* ─── Navigation ─────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  background: rgba(6, 12, 24, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(6, 12, 24, 0.98);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.nav-logo span.accent { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: var(--accent-dim);
}

.nav-cta { margin-left: 8px; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Mobile nav ─────────────────────────────────────────────── */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(6, 12, 24, 0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
}

.nav-mobile.open { display: flex; }

.nav-mobile a {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-mobile a:hover,
.nav-mobile a.active {
  color: var(--text);
  background: var(--accent-dim);
}

/* ─── Hero ────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(0, 212, 255, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 60%, rgba(99, 102, 241, 0.06) 0%, transparent 70%),
    var(--bg-primary);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  padding: 60px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero-title {
  margin-bottom: 1.25rem;
  background: linear-gradient(160deg, #ffffff 30%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.hero-stat { text-align: center; }

.hero-stat .val {
  display: block;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.hero-stat .lbl {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ─── Feature Cards ────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 1.25rem;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
}

.card-icon.purple {
  background: var(--accent2-dim);
  border-color: rgba(99, 102, 241, 0.2);
}

.card h3 { margin-bottom: 0.5rem; color: var(--text); }
.card p { font-size: 0.92rem; }

.card-list {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.card-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ─── Stats Section ────────────────────────────────────────────── */
.stats-section {
  background: var(--bg-secondary);
  padding: 60px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  text-align: center;
}

.stat-item .num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  line-height: 1;
  margin-bottom: 0.4rem;
}

.stat-item .label {
  font-size: 0.82rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

/* ─── Coverage Table ───────────────────────────────────────────── */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
}

.data-table thead tr {
  background: rgba(0, 212, 255, 0.06);
  border-bottom: 1px solid var(--accent-border);
}

.data-table th {
  padding: 14px 20px;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.data-table td {
  padding: 14px 20px;
  font-size: 0.92rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table tr:last-child td { border-bottom: none; }

.data-table tbody tr {
  transition: background 0.2s;
}

.data-table tbody tr:hover {
  background: var(--accent-dim);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-green {
  background: rgba(16, 185, 129, 0.12);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-blue {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

.badge-purple {
  background: var(--accent2-dim);
  color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.badge-yellow {
  background: rgba(245, 158, 11, 0.12);
  color: #f59e0b;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

/* ─── Forms ────────────────────────────────────────────────────── */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 640px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.form-group label span {
  color: var(--accent);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 16px;
  font-size: 0.93rem;
  color: var(--text);
  transition: var(--transition);
  outline: none;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

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

.form-group select option { background: var(--bg-secondary); }

.form-group textarea { resize: vertical; min-height: 110px; }

.form-submit { width: 100%; justify-content: center; font-size: 1rem; padding: 14px; }

.form-note {
  font-size: 0.82rem;
  color: var(--text-dim);
  text-align: center;
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* ─── Contact Grid ────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 20px; }

.contact-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: var(--transition);
}

.contact-item:hover {
  border-color: var(--accent-border);
  background: var(--bg-card-hover);
}

.contact-item .ci-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.contact-item p, .contact-item a {
  font-size: 0.95rem;
  color: var(--text);
}

/* ─── Infrastructure Section ──────────────────────────────────── */
.infra-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.infra-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: var(--transition);
}

.infra-item:hover {
  border-color: var(--accent-border);
  transform: translateY(-2px);
}

.infra-item .ii-icon {
  font-size: 22px;
  flex-shrink: 0;
  margin-top: 2px;
}

.infra-item h4 { font-size: 0.95rem; color: var(--text); margin-bottom: 4px; }
.infra-item p { font-size: 0.84rem; }

/* ─── CTA Section ─────────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, rgba(0,212,255,0.08) 0%, rgba(99,102,241,0.08) 100%);
  border-top: 1px solid var(--accent-border);
  border-bottom: 1px solid var(--accent-border);
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 { margin-bottom: 1rem; }
.cta-section p { max-width: 520px; margin: 0 auto 2rem; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ─── Page Hero (inner pages) ─────────────────────────────────── */
.page-hero {
  padding: 120px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 0%, rgba(0, 212, 255, 0.07) 0%, transparent 70%);
}

.page-hero .container { position: relative; z-index: 1; }

.page-hero h1 { margin-bottom: 0.75rem; }
.page-hero p { max-width: 560px; margin: 0 auto; font-size: 1.05rem; }

/* ─── Tabs ─────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
  width: fit-content;
  margin: 0 auto 2.5rem;
}

.tab-btn {
  padding: 8px 20px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.tab-btn.active {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ─── Search / Filter ─────────────────────────────────────────── */
.table-controls {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-box {
  flex: 1;
  min-width: 200px;
  position: relative;
}

.search-box input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px 10px 40px;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
  font-family: inherit;
}

.search-box input:focus { border-color: var(--accent); }

.search-box .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 14px;
}

.filter-select {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
}

.filter-select:focus { border-color: var(--accent); }

/* ─── Rate Download ────────────────────────────────────────────── */
.download-bar {
  background: var(--bg-card);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.download-bar-info h4 { color: var(--text); margin-bottom: 4px; }
.download-bar-info p { font-size: 0.85rem; margin: 0; }

.download-bar-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ─── Notice/Alert ─────────────────────────────────────────────── */
.notice {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.88rem;
  color: #fbbf24;
  margin-bottom: 24px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.notice-icon { flex-shrink: 0; }

/* ─── Services Detail ──────────────────────────────────────────── */
.service-detail {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: var(--transition);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 24px;
  align-items: start;
}

.service-detail:hover { border-color: var(--accent-border); }

.service-detail h3 { color: var(--text); margin-bottom: 0.6rem; font-size: 1.3rem; }
.service-detail .desc { margin-bottom: 1.25rem; }

.spec-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.spec-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.spec-row:last-child { border-bottom: none; }

.spec-row .spec-key { color: var(--text-dim); }
.spec-row .spec-val {
  font-weight: 600;
  color: var(--text);
  text-align: right;
}

/* ─── About Page ───────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.value-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 1.5rem;
}

.value-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.value-item .vi-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.value-item h4 { color: var(--text); margin-bottom: 2px; }
.value-item p { font-size: 0.88rem; }

.platform-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 1rem;
}

.platform-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: var(--transition);
}

.platform-tag:hover {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ─── Toast / Success ─────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--success);
  color: white;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ─── Footer ──────────────────────────────────────────────────── */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .nav-logo { margin-bottom: 1rem; font-size: 1.1rem; }

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-social a:hover {
  background: var(--accent-dim);
  border-color: var(--accent-border);
  color: var(--accent);
}

.footer-col h5 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-col ul li a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p { font-size: 0.82rem; color: var(--text-dim); margin: 0; }

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.footer-bottom-links a:hover { color: var(--accent); }

/* ─── Scroll animations ────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }
.fade-up:nth-child(5) { transition-delay: 0.4s; }
.fade-up:nth-child(6) { transition-delay: 0.5s; }

/* ─── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .service-detail { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .hero-stats { gap: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .download-bar { flex-direction: column; align-items: flex-start; }
  .cta-actions { flex-direction: column; align-items: center; }
  .form-card { padding: 28px 20px; }
  .table-controls { flex-direction: column; }
  .search-box { width: 100%; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
  .stats-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-bottom-links { justify-content: center; }
}