/* ============================================================
   ActivNexus Marketing CSS
   動鏈 ActivNexus — 行銷網站樣式表
   ============================================================ */

/* ── 設計 Token ──────────────────────────────────────────── */
:root {
  /* Primary — 靛紫 */
  --color-primary-900: #1E1B4B;
  --color-primary-700: #3730A3;
  --color-primary-500: #4F46E5;
  --color-primary-300: #A5B4FC;
  --color-primary-100: #E0E7FF;

  /* Accent — 青藍 */
  --color-accent-500: #06B6D4;
  --color-accent-300: #67E8F9;
  --color-accent-100: #CFFAFE;

  /* Surface */
  --color-surface-base: #F8F7FF;
  --color-surface-card: #FFFFFF;
  --color-surface-elevated: #F0EFFF;

  /* Text */
  --color-text-primary: #0F172A;
  --color-text-secondary: #475569;
  --color-text-muted: #94A3B8;
  --color-text-inverse: #F8FAFC;

  /* Border */
  --color-border: #E2E8F0;

  /* Font */
  --font-display: 'Space Grotesk', 'Noto Sans TC', sans-serif;
  --font-body: 'Inter', 'Noto Sans TC', sans-serif;
}

/* ── 漸層工具類 ──────────────────────────────────────────── */
.gradient-primary { background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%); }

.gradient-text {
  background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── 字型系統 ────────────────────────────────────────────── */
body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-surface-base);
  -webkit-font-smoothing: antialiased;
}

.text-display-xl {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
}

.text-display-lg {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1px;
}

.text-display-md {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 36px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.5px;
}

.text-body-lg { font-family: var(--font-body); font-size: 18px; line-height: 1.75; }
.text-body    { font-family: var(--font-body); font-size: 16px; line-height: 1.7; }

/* ── Navbar ─────────────────────────────────────────────── */
.marketing-navbar {
  background: #ffffff;
  border-bottom: 1px solid var(--color-border);
  transition: background 0.2s ease, box-shadow 0.2s ease, backdrop-filter 0.2s ease;
  position: sticky;
  top: 0;
  z-index: 1030;
}

.marketing-navbar.scrolled {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.85);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.08);
}

.navbar-brand-text {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--color-text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-brand-text .brand-tc {
  font-weight: 700;
  color: var(--color-primary-500);
}

.navbar-brand-text .brand-en {
  font-weight: 400;
  color: var(--color-text-secondary);
}

.nav-link-marketing {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 6px 2px;
  position: relative;
  transition: color 0.15s;
}

.nav-link-marketing:hover,
.nav-link-marketing.active {
  color: var(--color-primary-500);
}

.nav-link-marketing.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary-500);
  border-radius: 1px;
}

/* ── 按鈕 ─────────────────────────────────────────────────── */
.btn-brand-primary {
  background: linear-gradient(135deg, #4F46E5, #06B6D4);
  color: white;
  padding: 14px 32px;
  border-radius: 12px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  box-shadow: 0 4px 24px rgba(79, 70, 229, 0.3);
  border: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  text-decoration: none;
  display: inline-block;
  cursor: pointer;
}

.btn-brand-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(79, 70, 229, 0.4);
  color: white;
}

.btn-brand-primary-sm {
  padding: 10px 22px;
  font-size: 14px;
  border-radius: 10px;
}

.btn-brand-secondary {
  background: transparent;
  color: var(--color-primary-500);
  border: 1.5px solid var(--color-primary-300);
  padding: 13px 31px;
  border-radius: 12px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  transition: background 0.15s, border-color 0.15s;
  text-decoration: none;
  display: inline-block;
}

.btn-brand-secondary:hover {
  background: var(--color-primary-100);
  border-color: var(--color-primary-500);
  color: var(--color-primary-500);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-border);
  padding: 9px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  display: inline-block;
  transition: border-color 0.15s, color 0.15s;
}

.btn-ghost:hover {
  border-color: var(--color-primary-300);
  color: var(--color-primary-500);
}

/* ── Section 共用 ────────────────────────────────────────── */
.section { padding: 96px 0; }
@media (max-width: 768px) { .section { padding: 64px 0; } }

.section-alt { background-color: var(--color-surface-base); }
.section-elevated { background-color: var(--color-surface-elevated); }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary-100);
  color: var(--color-primary-700);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  letter-spacing: 0.3px;
}

/* ── Hero ────────────────────────────────────────────────── */
.hero-section {
  position: relative;
  overflow: hidden;
  padding: 100px 0 80px;
  background: #ffffff;
}

.hero-bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-bg-blob-1 {
  width: 600px;
  height: 600px;
  background: rgba(79, 70, 229, 0.08);
  top: -200px;
  right: -100px;
}

.hero-bg-blob-2 {
  width: 400px;
  height: 400px;
  background: rgba(6, 182, 212, 0.07);
  bottom: -100px;
  left: -100px;
}

.hero-mock {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mock-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 20px 24px;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--color-border);
}

.mock-card-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.mock-stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.mock-stat-label {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.mock-stat-value {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
}

.mock-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
}

.mock-badge-blue   { background: #DBEAFE; color: #1D4ED8; }
.mock-badge-yellow { background: #FEF9C3; color: #A16207; }
.mock-badge-green  { background: #DCFCE7; color: #166534; }

/* Stats Bar */
.stats-bar {
  background: #ffffff;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 700;
  background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 15px;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

/* ── Pain Points ─────────────────────────────────────────── */
.pain-card {
  background: var(--color-surface-card);
  border-radius: 20px;
  padding: 32px;
  border: 1px solid var(--color-border);
  height: 100%;
  transition: transform 0.2s, box-shadow 0.2s;
}

.pain-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(79, 70, 229, 0.08);
}

.pain-emoji {
  font-size: 36px;
  margin-bottom: 16px;
  display: block;
}

/* ── Feature Cards ───────────────────────────────────────── */
.feature-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 20px;
  padding: 32px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(79, 70, 229, 0.12);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, #E0E7FF, #CFFAFE);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 24px;
}

.feature-link {
  color: var(--color-primary-500);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: gap 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.feature-link:hover {
  color: var(--color-primary-700);
  gap: 8px;
}

/* ── Compare Table ───────────────────────────────────────── */
.compare-section { background: #ffffff; }

.compare-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: x mandatory;
}

.compare-table {
  min-width: 800px;
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.compare-table th,
.compare-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  vertical-align: middle;
}

.compare-table th {
  font-family: var(--font-display);
  font-weight: 600;
  background: var(--color-surface-base);
  font-size: 13px;
}

.compare-table th:first-child,
.compare-table td:first-child {
  font-weight: 500;
  color: var(--color-text-primary);
  min-width: 200px;
}

.col-activnexus {
  background: rgba(79, 70, 229, 0.05);
}

.col-activnexus-header {
  background: var(--color-primary-500) !important;
  color: white !important;
  border-radius: 12px 12px 0 0;
}

.compare-check-yes { color: #16a34a; font-weight: 600; }
.compare-check-no  { color: #dc2626; }
.compare-check-partial { color: #d97706; }

/* ── Pricing ─────────────────────────────────────────────── */
.pricing-card {
  border-radius: 24px;
  padding: 32px;
  border: 1.5px solid var(--color-border);
  transition: transform 0.2s, box-shadow 0.2s;
  height: 100%;
  background: var(--color-surface-card);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.pricing-card.featured {
  background: linear-gradient(145deg, #4F46E5, #3730A3);
  border-color: transparent;
  color: white;
  transform: scale(1.03);
  box-shadow: 0 24px 64px rgba(79, 70, 229, 0.35);
}

.pricing-card.featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.pricing-price {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1;
}

.pricing-period {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-left: 4px;
}

.pricing-card.featured .pricing-period { color: rgba(255,255,255,0.7); }

.pricing-check {
  color: #16a34a;
  font-size: 15px;
}

.pricing-card.featured .pricing-check { color: #86efac; }

.pricing-toggle-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
}

.pricing-toggle-label {
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s;
}

.pricing-toggle-label.active { color: var(--color-primary-500); }
.pricing-toggle-label.inactive { color: var(--color-text-muted); }

.pricing-save-badge {
  display: inline-block;
  background: #dcfce7;
  color: #166534;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  margin-left: 6px;
  vertical-align: middle;
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  width: 48px;
  height: 26px;
  display: inline-block;
}

.toggle-switch input { display: none; }

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--color-primary-300);
  border-radius: 13px;
  transition: background 0.2s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  left: 3px; top: 3px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
}

.toggle-switch input:checked + .toggle-slider { background: var(--color-primary-500); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(22px); }

/* Bundle cards */
.bundle-card {
  border-radius: 20px;
  padding: 28px 32px;
  border: 2px solid var(--color-primary-300);
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.03), rgba(6, 182, 212, 0.03));
  transition: transform 0.2s, box-shadow 0.2s;
}

.bundle-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(79, 70, 229, 0.12);
}

/* ── Module Cards ────────────────────────────────────────── */
.module-card {
  background: var(--color-surface-card);
  border-radius: 20px;
  padding: 28px;
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  height: 100%;
}

.module-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(79, 70, 229, 0.1);
  border-color: var(--color-primary-300);
  color: inherit;
}

.module-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
  background: var(--color-primary-100);
  color: var(--color-primary-500);
}

.module-price-tag {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary-500);
}

.module-price-period {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ── Detail Page ─────────────────────────────────────────── */
.feature-check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
  color: var(--color-text-primary);
}

.feature-check-list li:last-child { border-bottom: none; }

.feature-check-list li::before {
  content: '';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #dcfce7;
  color: #16a34a;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 1px;
}

.check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #dcfce7;
  color: #16a34a;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

/* Pricing sidebar card */
.pricing-sidebar {
  background: var(--color-surface-card);
  border-radius: 20px;
  padding: 32px;
  border: 1.5px solid var(--color-border);
  position: sticky;
  top: 88px;
}

/* ── Features Page ───────────────────────────────────────── */
.feature-group {
  padding: 80px 0;
  border-bottom: 1px solid var(--color-border);
}

.feature-group:last-child { border-bottom: none; }

.feature-mock {
  background: var(--color-surface-elevated);
  border-radius: 20px;
  padding: 24px;
  border: 1px solid var(--color-border);
}

.feature-mock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--color-surface-card);
  border-radius: 10px;
  margin-bottom: 8px;
  font-size: 13px;
}

.feature-mock-row:last-child { margin-bottom: 0; }

/* ── FAQ Accordion ───────────────────────────────────────── */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq-question {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  padding: 20px 24px;
  cursor: pointer;
  background: var(--color-surface-card);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.15s;
}

.faq-question:hover { background: var(--color-surface-base); }

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.faq-answer.open {
  max-height: 300px;
  padding: 0 24px 20px;
}

.faq-icon {
  transition: transform 0.3s;
  font-size: 18px;
  color: var(--color-primary-500);
}

.faq-item.open .faq-icon { transform: rotate(180deg); }

/* ── CTA Section ─────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
  padding: 96px 0;
  text-align: center;
  color: white;
}

/* ── Dark Section ────────────────────────────────────────── */
.dark-section {
  background: var(--color-primary-900);
  color: var(--color-text-inverse);
  padding: 96px 0;
}

.step-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: white;
  flex-shrink: 0;
}

/* ── Comparison VS ───────────────────────────────────────── */
.vs-table {
  width: 100%;
}

.vs-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
}

.vs-col-bad  { color: var(--color-text-secondary); }
.vs-col-good { color: var(--color-primary-500); font-weight: 500; }
.vs-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
}
.vs-badge-before {
  background: #FEF2F2;
  color: #991B1B;
}
.vs-badge-after {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
}

/* ── Contact Form ────────────────────────────────────────── */
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.contact-icon-wrap {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-primary-100);
  color: var(--color-primary-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.form-control-brand {
  border: 1.5px solid var(--color-border);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 15px;
  font-family: var(--font-body);
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
  background: var(--color-surface-card);
  color: var(--color-text-primary);
}

.form-control-brand:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}

/* ── Footer ──────────────────────────────────────────────── */
.marketing-footer {
  background: #0F172A;
  color: #94A3B8;
  padding: 64px 0 32px;
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: #F8FAFC;
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 14px;
  color: #64748B;
  margin-bottom: 0;
  line-height: 1.6;
}

.footer-heading {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: #F8FAFC;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.footer-link {
  display: block;
  color: #64748B;
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 10px;
  transition: color 0.15s;
}

.footer-link:hover { color: #A5B4FC; }

.footer-divider {
  border-top: 1px solid #1E293B;
  margin: 40px 0 24px;
}

.footer-copy {
  font-size: 13px;
  color: #475569;
}

/* ── Scroll animation ────────────────────────────────────── */
.count-up-target { display: inline-block; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
  animation: fadeInUp 0.5s ease both;
}

/* Page Hero */
.page-hero {
  background: var(--color-surface-elevated);
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--color-border);
}

/* ══════════════════════════════════════════════════════════
   Mobile Navigation (< 992px)
   ══════════════════════════════════════════════════════════ */

/* Hamburger button */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  cursor: pointer;
  color: var(--color-text-primary);
  font-size: 22px;
  padding: 0;
  transition: background 0.15s, border-color 0.15s;
}
.mobile-menu-toggle:hover {
  background: var(--color-surface-elevated);
  border-color: var(--color-primary-300);
}

/* Panel — hidden by default, shown with .open */
.mobile-menu-panel {
  display: none;
  border-top: 1px solid var(--color-border);
}
.mobile-menu-panel.open { display: block; }

/* Nav list */
.mobile-nav {
  padding: 8px 0 4px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 4px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-primary);
  text-decoration: none;
  border-radius: 10px;
  transition: color 0.15s, background 0.12s;
}
.mobile-nav-link:hover { color: var(--color-primary-500); background: var(--color-surface-elevated); }
.mobile-nav-link.active { color: var(--color-primary-500); }

/* Sub-module group */
.mobile-nav-group { margin-bottom: 2px; }

.mobile-nav-sub {
  margin: 2px 0 6px 12px;
  padding: 4px 0;
  border-left: 2px solid var(--color-primary-300);
}

.mobile-nav-sublink {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 400;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.15s, background 0.12s;
  border-radius: 0 8px 8px 0;
}
.mobile-nav-sublink:hover { color: var(--color-primary-500); background: var(--color-primary-100); }
.mobile-nav-sublink i { font-size: 15px; flex-shrink: 0; }

/* CTA group at the bottom of mobile menu */
.mobile-menu-cta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 0 20px;
  border-top: 1px solid var(--color-border);
  margin-top: 8px;
}
.mobile-menu-cta .btn-ghost,
.mobile-menu-cta .btn-brand-primary {
  display: block;
  width: 100%;
  text-align: center;
  box-sizing: border-box;
}

/* ══════════════════════════════════════════════════════════
   Responsive — Tablet (< 992px)
   ══════════════════════════════════════════════════════════ */
@media (max-width: 991px) {
  .hero-section { padding: 56px 0 40px; }
  .hero-mock { margin-top: 40px; }
  .pricing-card.featured { transform: scale(1); }
  .pricing-sidebar { position: static; }
  .page-hero { padding: 56px 0 44px; }
  .marketing-footer { padding: 48px 0 28px; }
  .marketing-footer .row { --bs-gutter-y: 2rem; }
}

/* ══════════════════════════════════════════════════════════
   Responsive — Mobile (< 768px / iPhone 16 = 390px)
   ══════════════════════════════════════════════════════════ */
@media (max-width: 767px) {
  /* Typography */
  .text-display-xl {
    font-size: clamp(32px, 9vw, 48px);
    letter-spacing: -0.5px;
    line-height: 1.15;
  }
  .text-display-lg {
    font-size: clamp(24px, 7vw, 36px);
    letter-spacing: -0.3px;
  }
  .text-display-md {
    font-size: clamp(20px, 6vw, 28px);
  }
  .text-body-lg { font-size: 16px; }

  /* Sections */
  .hero-section     { padding: 40px 0 32px; }
  .stats-bar        { padding: 24px 0; }
  .cta-section      { padding: 48px 0; }
  .dark-section     { padding: 48px 0; }
  .page-hero        { padding: 40px 0 32px; }
  .section-block    { padding: 48px 0; }

  /* Buttons — full-width on mobile */
  .btn-brand-primary,
  .btn-brand-secondary { width: 100%; text-align: center; margin-bottom: 8px; }

  /* Footer */
  .marketing-footer { padding: 40px 0 24px; }
  .marketing-footer .row { --bs-gutter-y: 1.5rem; }
  .footer-divider { margin: 28px 0 20px; }
  .footer-copy { font-size: 12px; }
  .footer-heading { margin-bottom: 12px; }

  /* Section labels */
  .section-label { font-size: 12px; }

  /* Feature / comparison tables — allow horizontal scroll */
  .table-responsive-xs { overflow-x: auto; -webkit-overflow-scrolling: touch; }
}