/* ==========================================================================
   Nhật Ký Mẹ & Bé (Baby Diary) — Dedicated App Landing Page Stylesheet
   Designed with Warm Porcelain (#FFFBF9) and Soft Coral Blush (#FF7B90)
   ========================================================================== */

:root {
  /* Baby Diary Specific Tokens */
  --baby-bg: #FFFBF9;
  --baby-surface: #FFFFFF;
  --baby-card-border: #F4F0ED;
  --baby-coral: #FF7B90;
  --baby-coral-dark: #FF5A73;
  --baby-coral-light: #FFF0F2;
  --baby-text-primary: #1E1E24;
  --baby-text-secondary: #71717A;
  --baby-text-tertiary: #A1A1AA;

  /* Semantic Activity Colors */
  --c-bottle: #3B82F6;
  --c-bottle-bg: #EFF6FF;
  --c-nursing: #F97316;
  --c-nursing-bg: #FFF7ED;
  --c-pump: #AF52DE;
  --c-pump-bg: #FAF5FF;
  --c-sleep: #8B5CF6;
  --c-sleep-bg: #F5F3FF;
  --c-diaper: #EAB308;
  --c-diaper-bg: #FEFCE8;
  --c-solids: #14B8A6;
  --c-solids-bg: #F0FDFA;
  --c-bath: #06B6D4;
  --c-bath-bg: #ECFEFF;
  --c-temp: #F43F5E;
  --c-temp-bg: #FFF1F2;
  --c-growth: #10B981;
  --c-growth-bg: #ECFDF5;

  /* Shadows */
  --baby-shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.04);
  --baby-shadow-hover: 0 12px 30px rgba(255, 123, 144, 0.12);
  --baby-shadow-mockup: 0 25px 60px -15px rgba(255, 123, 144, 0.18), 0 10px 25px -5px rgba(0, 0, 0, 0.04);
}

body.baby-theme {
  background-color: var(--baby-bg);
  color: var(--baby-text-primary);
}

/* Header customization for app landing */
.baby-header {
  background: rgba(255, 251, 249, 0.88);
  border-bottom: 1px solid rgba(244, 240, 237, 0.9);
}

.baby-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.baby-logo-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(255, 123, 144, 0.25);
}

.baby-logo-text h1 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--baby-text-primary);
  line-height: 1.2;
}

.baby-logo-text span {
  font-size: 0.75rem;
  color: var(--baby-coral-dark);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.baby-hero {
  position: relative;
  padding: 80px 0 110px;
  background: radial-gradient(circle at 15% 15%, rgba(255, 123, 144, 0.08) 0%, transparent 45%),
              radial-gradient(circle at 85% 65%, rgba(59, 130, 246, 0.07) 0%, transparent 45%);
  overflow: hidden;
}

.baby-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
}

.baby-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--baby-coral-light);
  color: var(--baby-coral-dark);
  padding: 8px 18px;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 123, 144, 0.2);
}

.baby-hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.2px;
  margin-bottom: 22px;
  color: var(--baby-text-primary);
}

.baby-hero-title .coral-text {
  color: var(--baby-coral);
  background: linear-gradient(135deg, #FF7B90 0%, #FF5A73 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.baby-hero-desc {
  font-size: 1.15rem;
  color: var(--baby-text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.store-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 18px;
  background: #111827;
  border-radius: 12px;
  color: #FFFFFF;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.store-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
  color: #FFFFFF;
}

.store-btn img {
  height: 28px;
  width: auto;
}

.store-btn-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.store-btn-text .sub {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: #9CA3AF;
  letter-spacing: 0.5px;
}

.store-btn-text .main {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
}

.hero-feature-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.hero-feature-badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--baby-text-secondary);
}

.hero-feature-badge-item svg {
  color: #10B981;
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   CSS Phone Mockup (Authentic Dashboard Preview)
   ========================================================================== */
.phone-mockup-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-mockup {
  position: relative;
  width: 320px;
  height: 650px;
  background: #FFFFFF;
  border-radius: 46px;
  box-shadow: var(--baby-shadow-mockup);
  border: 10px solid #1E293B;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Phone Speaker & Dynamic Island */
.phone-notch {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 22px;
  background: #1E293B;
  border-radius: 20px;
  z-index: 100;
}

/* Inside Phone Screen */
.phone-screen {
  background: var(--baby-bg);
  flex: 1;
  padding: 44px 16px 16px;
  display: flex;
  flex-direction: column;
  overflow-y: hidden;
}

.app-mock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.app-mock-baby {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-mock-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, #FFE4E6 0%, #FECDD3 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  border: 2px solid #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.app-mock-greeting h4 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--baby-text-primary);
}

.app-mock-greeting p {
  font-size: 0.72rem;
  color: var(--baby-text-secondary);
  font-weight: 500;
}

/* App Mock Daily Stats */
.app-mock-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.mock-stat-card {
  background: #FFFFFF;
  border-radius: 14px;
  padding: 10px 6px;
  text-align: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  border: 1px solid var(--baby-card-border);
}

.mock-stat-icon {
  font-size: 1rem;
  margin-bottom: 2px;
}

.mock-stat-val {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--baby-text-primary);
  display: block;
}

.mock-stat-label {
  font-size: 0.65rem;
  color: var(--baby-text-tertiary);
}

/* Next Feed Estimate Chip */
.app-mock-feed-reminder {
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
  border: 1px solid #BFDBFE;
  border-radius: 14px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: #1E40AF;
  font-weight: 600;
  margin-bottom: 14px;
}

.app-mock-feed-reminder span {
  font-size: 1rem;
}

/* Mock Recent Activity */
.app-mock-feed {
  background: #FFFFFF;
  border-radius: 16px;
  padding: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
  border: 1px solid var(--baby-card-border);
  flex: 1;
}

.app-mock-feed-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--baby-text-primary);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
}

.mock-activity-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 0;
  border-bottom: 1px solid #F8FAFC;
  font-size: 0.72rem;
}

.mock-act-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 7px;
  border-radius: 6px;
  font-weight: 600;
}

/* Mock Bottom Bar */
.phone-bottom-nav {
  height: 52px;
  background: #FFFFFF;
  border-top: 1px solid var(--baby-card-border);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 10px;
}

.mock-nav-item {
  font-size: 0.65rem;
  color: var(--baby-text-tertiary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.mock-nav-item.active {
  color: var(--baby-coral);
  font-weight: 700;
}

.mock-nav-center-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--baby-coral);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-top: -16px;
  box-shadow: 0 4px 12px rgba(255, 123, 144, 0.4);
}

/* Floating Mockup Badges */
.app-float-badge {
  position: absolute;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  padding: 12px 18px;
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 10;
  animation: floatBadge 5s ease-in-out infinite;
}

.app-float-badge.badge-left {
  top: 15%;
  left: -50px;
}

.app-float-badge.badge-right {
  bottom: 25%;
  right: -50px;
  animation-delay: -2s;
}

/* ==========================================================================
   Section: Why Choose Us (Good points vs Legacy)
   ========================================================================== */
.comparison-section {
  padding: 100px 0;
  background: #FFFFFF;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}

.comp-card {
  padding: 40px;
  border-radius: 28px;
  border: 1px solid var(--baby-card-border);
}

.comp-card-bad {
  background: #FFFBFB;
  border-color: #FEE2E2;
}

.comp-card-bad h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #B91C1C;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.comp-card-good {
  background: linear-gradient(135deg, #FFFDFD 0%, #FFF5F7 100%);
  border-color: #FECDD3;
  box-shadow: var(--baby-shadow-soft);
}

.comp-card-good h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--baby-coral-dark);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.comp-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.comp-list-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.98rem;
  line-height: 1.6;
}

.comp-list-item .icon-bad {
  color: #EF4444;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.comp-list-item .icon-good {
  color: #10B981;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ==========================================================================
   Section: 9 Core Functionalities (Activity Grid)
   ========================================================================== */
.activities-section {
  padding: 100px 0;
  background: var(--baby-bg);
}

.activity-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  margin-top: 50px;
}

.activity-card {
  background: #FFFFFF;
  border-radius: 24px;
  padding: 32px;
  border: 1px solid var(--baby-card-border);
  box-shadow: var(--baby-shadow-soft);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
  display: flex;
  flex-direction: column;
}

.activity-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--baby-shadow-hover);
}

.activity-card-icon {
  width: 58px;
  height: 58px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.activity-card h4 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.activity-card p {
  font-size: 0.95rem;
  color: var(--baby-text-secondary);
  line-height: 1.65;
  margin-bottom: 18px;
}

.activity-highlight-pill {
  margin-top: auto;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   Section: Free vs Pro Edition Comparison Table
   ========================================================================== */
.pricing-section {
  padding: 100px 0;
  background: #FFFFFF;
}

.pricing-table-wrap {
  max-width: 900px;
  margin: 50px auto 0;
  background: #FFFFFF;
  border-radius: 28px;
  border: 1px solid var(--baby-card-border);
  box-shadow: var(--baby-shadow-soft);
  overflow: hidden;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.pricing-table th, .pricing-table td {
  padding: 20px 24px;
  border-bottom: 1px solid #F4F0ED;
  font-size: 0.95rem;
}

.pricing-table th {
  background: #FAF7F5;
  font-weight: 800;
  font-size: 1.05rem;
}

.pricing-table th.pro-col {
  background: linear-gradient(135deg, #FFF0F2 0%, #FFE4E8 100%);
  color: var(--baby-coral-dark);
}

.pricing-table td.feature-name {
  font-weight: 600;
  color: var(--baby-text-primary);
}

.pricing-table td.feature-desc {
  font-size: 0.85rem;
  color: var(--baby-text-secondary);
}

.pricing-badge-pro {
  background: var(--baby-coral);
  color: #FFFFFF;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
}

/* ==========================================================================
   Section: FAQ Accordion
   ========================================================================== */
.faq-section {
  padding: 100px 0;
  background: var(--baby-bg);
}

.faq-list {
  max-width: 820px;
  margin: 50px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: #FFFFFF;
  border-radius: 20px;
  border: 1px solid var(--baby-card-border);
  box-shadow: var(--baby-shadow-soft);
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  user-select: none;
}

.faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--baby-coral);
  transition: transform 0.28s ease;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 28px 24px;
  color: var(--baby-text-secondary);
  line-height: 1.7;
  font-size: 0.95rem;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================================================================
   TOS & Privacy Document Styling
   ========================================================================== */
.doc-container {
  max-width: 860px;
  margin: 60px auto 100px;
  background: #FFFFFF;
  border-radius: 28px;
  padding: 56px 48px;
  border: 1px solid var(--baby-card-border);
  box-shadow: var(--baby-shadow-soft);
}

.doc-header {
  border-bottom: 2px solid #F4F0ED;
  padding-bottom: 28px;
  margin-bottom: 36px;
}

.doc-header h1 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--baby-text-primary);
}

.doc-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 0.85rem;
  color: var(--baby-text-secondary);
}

.doc-section {
  margin-bottom: 40px;
}

.doc-section h2 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--baby-text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.doc-section p {
  color: var(--baby-text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
  font-size: 0.98rem;
}

.doc-section ul {
  margin: 14px 0 20px 24px;
  list-style: disc;
}

.doc-section li {
  color: var(--baby-text-secondary);
  line-height: 1.7;
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.doc-tip-box {
  background: #EFF6FF;
  border-left: 4px solid #3B82F6;
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  font-size: 0.92rem;
  color: #1E40AF;
  margin: 18px 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.doc-warning-box {
  background: #FFFBEB;
  border-left: 4px solid #F59E0B;
  padding: 16px 20px;
  border-radius: 0 12px 12px 0;
  font-size: 0.92rem;
  color: #92400E;
  margin: 18px 0;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

/* ==========================================================================
   Responsive rules for app landing
   ========================================================================== */
@media (max-width: 992px) {
  .baby-hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 50px;
  }
  .baby-hero-desc {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
  .store-buttons {
    justify-content: center;
  }
  .hero-feature-badges {
    justify-content: center;
  }
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  .app-float-badge {
    display: none;
  }
  .doc-container {
    padding: 36px 24px;
    margin: 30px 16px 60px;
  }
}

@media (max-width: 576px) {
  .baby-hero-title {
    font-size: 2.2rem;
  }
  .phone-mockup {
    width: 290px;
    height: 580px;
  }
  .pricing-table th, .pricing-table td {
    padding: 14px 12px;
    font-size: 0.85rem;
  }
}