/* ==========================================================================
   Kinova Care — Design System & Landing Page Styles
   Tokens mapped directly from Kinova Care Mobile App Spec (SOP §8)
   ========================================================================== */

/* 1. CSS Custom Properties / Color Tokens */
:root {
  /* Fonts */
  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Dawn (Light) Palette */
  --color-primary: #7C6CF0;
  --color-primary-muted: #B98AF0;
  --color-secondary: #A8C8B8;
  --color-blush: #F5C6BC;
  --color-sage: #A8C8B8;
  --color-honey: #F2C879;
  --color-care: #D96C5F;
  --color-care-surface: #FBEDEA;

  --color-bg: #FDF8F4;
  --color-surface: #FFFAF7;
  --color-surface-elevated: #FFFFFF;
  --color-input-bg: #F5F0FF;
  --color-overlay: rgba(45, 42, 62, 0.40);

  --color-text: #2D2A3E;
  --color-text-secondary: #5A5570;
  --color-text-tertiary: rgba(45, 42, 62, 0.42);
  --color-text-inverse: #FDF8F4;

  --color-border: #E8E1DA;
  --color-card-border: rgba(45, 42, 62, 0.08);

  --color-glow-start: #B98AF0;
  --color-glow-end: #7C6CF0;
  --gradient-glow: linear-gradient(135deg, var(--color-glow-start), var(--color-glow-end));

  /* Trimester Tints */
  --t1-bg: #F4EFF9;
  --t1-accent: #8E79F2;
  --t2-bg: #FDF8F4;
  --t2-accent: #E5A898;
  --t3-bg: #FBF3E7;
  --t3-accent: #E0AB49;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(45, 42, 62, 0.04);
  --shadow-md: 0 8px 24px rgba(45, 42, 62, 0.08);
  --shadow-lg: 0 20px 48px rgba(45, 42, 62, 0.12);
  --shadow-glow: 0 12px 32px rgba(124, 108, 240, 0.30);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Night Mode (3 AM Palette) overrides */
body[data-theme="dark"] {
  --color-primary: #9D8FF5;
  --color-primary-muted: #C4A9F5;
  --color-secondary: #8FB3A1;
  --color-blush: #D9A89E;
  --color-sage: #8FB3A1;
  --color-honey: #D9B36A;
  --color-care: #E08276;

  --color-bg: #1E1B2E;
  --color-surface: #2A2740;
  --color-surface-elevated: #332E4D;
  --color-input-bg: rgba(240, 235, 229, 0.08);
  --color-overlay: rgba(0, 0, 0, 0.70);

  --color-text: #F0EBE5;
  --color-text-secondary: #C5C0D4;
  --color-text-tertiary: rgba(240, 235, 229, 0.45);
  --color-text-inverse: #2D2A3E;

  --color-border: #3D3855;
  --color-card-border: rgba(240, 235, 229, 0.08);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 12px 32px rgba(157, 143, 245, 0.25);
}

/* 2. Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
  position: relative;
}

/* Ambient Glow Blobs */
.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
  transition: opacity var(--transition-smooth);
}
.glow-1 {
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--color-primary-muted), transparent);
}
.glow-2 {
  top: 600px;
  left: -150px;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, var(--color-blush), transparent);
}
.glow-3 {
  top: 1800px;
  right: -100px;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--color-sage), transparent);
}

/* Glassmorphism Card Utility */
.glass-card {
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(124, 108, 240, 0.2);
}

/* 3. Header & Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1rem 0;
  transition: background-color var(--transition-fast), padding var(--transition-fast), box-shadow var(--transition-fast);
}

.navbar.scrolled {
  background: rgba(253, 248, 244, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 0.75rem 0;
  box-shadow: var(--shadow-sm);
}

body[data-theme="dark"] .navbar.scrolled {
  background: rgba(30, 27, 46, 0.85);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.35rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(138, 96, 242, 0.25);
  transition: transform var(--transition-fast);
}

.brand-logo:hover .brand-logo-img {
  transform: scale(1.05);
}

.brand-tag {
  color: var(--color-primary);
  font-style: italic;
  font-weight: 400;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-input-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.icon-sun { display: none; }
body[data-theme="dark"] .icon-moon { display: none; }
body[data-theme="dark"] .icon-sun { display: block; }

/* 4. Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all var(--transition-smooth);
}

.btn-primary {
  background: var(--gradient-glow);
  color: #FFFFFF;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(124, 108, 240, 0.45);
  filter: brightness(1.05);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

/* 5. Hero Section */
.hero-section {
  padding: 9rem 1.5rem 5rem;
  position: relative;
  overflow: hidden;
}

.hero-container {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(124, 108, 240, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(124, 108, 240, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(124, 108, 240, 0); }
}

.badge-icon {
  width: 14px;
  height: 14px;
  color: var(--color-honey);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
  max-width: 900px;
}

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

.hero-description {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 720px;
  margin-bottom: 2.25rem;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 4rem;
  background: var(--color-surface);
  padding: 1rem 2.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.stat-divider {
  width: 1px;
  height: 28px;
  background: var(--color-border);
}

/* Hero Phone Mockup */
.hero-mockup-wrapper {
  position: relative;
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
}

.phone-frame {
  width: 320px;
  height: 640px;
  background: #111;
  border-radius: 44px;
  padding: 10px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.1) inset;
  margin: 0 auto;
  position: relative;
}

.phone-notch {
  position: absolute;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 24px;
  background: #111;
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 14px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.camera {
  width: 8px;
  height: 8px;
  background: #222;
  border-radius: 50%;
}

.speaker {
  width: 40px;
  height: 4px;
  background: #222;
  border-radius: 2px;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--color-bg);
  border-radius: 34px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05);
  position: relative;
  text-align: left;
}

.app-header {
  padding: 2.2rem 1.25rem 0.8rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-card-border);
}

.app-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: var(--color-text);
}

.status-icons {
  display: flex;
  gap: 4px;
}

.app-top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.greeting-subtitle {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.app-week-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-text);
}

.user-avatar-badge {
  position: relative;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-blush);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.75rem;
  color: var(--color-text);
}

.app-body {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  flex: 1;
}

.trimester-card-widget {
  background: var(--t2-bg);
  border: 1px solid rgba(124, 108, 240, 0.15);
  border-radius: var(--radius-md);
  padding: 0.9rem;
}

.widget-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.3rem;
  letter-spacing: 0.05em;
}

.trimester-card-widget h4 {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
  color: #1E1B2E;
}

.trimester-card-widget p {
  font-size: 0.7rem;
  color: #5A5570;
  margin-bottom: 0.6rem;
  line-height: 1.3;
}

.progress-bar-container {
  width: 100%;
  height: 6px;
  background: rgba(124, 108, 240, 0.15);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.3rem;
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-glow);
  border-radius: 3px;
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.6rem;
  color: #5A5570;
}

.active-week {
  color: var(--color-primary);
  font-weight: 700;
}

.partner-sync-widget {
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: 0.8rem;
}

.partner-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-sage);
  margin-bottom: 0.3rem;
}

.heart-icon {
  width: 12px;
  height: 12px;
  color: var(--color-blush);
  fill: var(--color-blush);
}

.partner-note {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  font-style: italic;
  line-height: 1.3;
}

.quick-actions-row {
  display: flex;
  gap: 0.4rem;
}

.action-pill {
  flex: 1;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.2rem;
  font-size: 0.6rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  color: var(--color-text-secondary);
}

.action-pill svg {
  width: 10px;
  height: 10px;
}

.active-pill {
  border-color: var(--color-care);
  color: var(--color-care);
  background: var(--color-care-surface);
}

.app-bottom-nav {
  display: flex;
  justify-content: space-around;
  padding: 0.6rem 0.5rem;
  background: var(--color-surface);
  border-top: 1px solid var(--color-card-border);
}

.app-bottom-nav .nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.6rem;
  color: var(--color-text-tertiary);
  gap: 2px;
}

.app-bottom-nav .nav-item svg {
  width: 16px;
  height: 16px;
}

.app-bottom-nav .nav-item.active {
  color: var(--color-primary);
  font-weight: 700;
}

/* Floating Badges */
.floating-badge {
  position: absolute;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-align: left;
  z-index: 20;
  animation: float-slow 4s ease-in-out infinite;
}

.badge-top-left {
  top: 10%;
  left: -80px;
}

.badge-bottom-right {
  bottom: 15%;
  right: -80px;
  animation-delay: 2s;
}

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

.icon-circle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

.bg-sage { background: var(--color-sage); }
.bg-glow { background: var(--gradient-glow); }
.bg-care { background: var(--color-care); }
.bg-night { background: #1E1B2E; border: 1px solid #3D3855; }

.floating-badge strong {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text);
}

.floating-badge span {
  font-size: 0.7rem;
  color: var(--color-text-secondary);
}

/* 6. Section Commons */
.section {
  padding: 6rem 1.5rem;
  position: relative;
  z-index: 10;
}

.section-container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 3.5rem;
}

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

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 680px;
  margin: 0 auto;
}

/* 7. Trimesters Interactive Section */
.trimester-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.trimester-tab-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  min-width: 180px;
  transition: all var(--transition-fast);
}

.trimester-tab-btn:hover {
  border-color: var(--color-primary);
}

.trimester-tab-btn.active {
  border-color: var(--color-primary);
  background: var(--color-surface-elevated);
  box-shadow: var(--shadow-md);
}

.t-badge {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-primary);
  background: rgba(124, 108, 240, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.4rem;
}

.t-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
}

.t-weeks {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.trimester-content-card {
  padding: 3rem;
}

.t-content-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.t-active-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.8rem;
}

.t-text-side h3 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 1rem;
  line-height: 1.25;
}

.t-text-side p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.t-checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.t-checklist li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--color-text);
}

.check-icon {
  width: 20px;
  height: 20px;
  color: var(--color-sage);
}

.t-preview-side {
  display: flex;
  justify-content: center;
}

.t-card-preview {
  background: var(--t1-bg);
  border: 1px solid rgba(142, 121, 242, 0.2);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  width: 100%;
  max-width: 320px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  color: #1E1B2E;
}

.t-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  color: #7C6CF0;
}

.t-stage-pill {
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.85);
  color: #4A3E9F;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-pill);
}

.t-card-preview h4 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
  color: #1E1B2E !important;
}

.t-metric-box {
  display: flex;
  gap: 1.5rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.05);
  padding: 0.8rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.2rem;
}

.metric {
  display: flex;
  flex-direction: column;
}

.m-val {
  font-weight: 700;
  font-size: 1.1rem;
  color: #1E1B2E !important;
}

.m-lbl {
  font-size: 0.75rem;
  color: #5A5570 !important;
  font-weight: 500;
}

.t-tip-box {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: #4A4560 !important;
  line-height: 1.4;
}

.t-tip-box svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 2px;
  color: #7C6CF0 !important;
}

/* 8. Core Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFF;
  margin-bottom: 1.5rem;
  font-size: 1.4rem;
}

.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: 0.8rem;
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.feature-highlight {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.accent-icon {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
}

/* 9. Interactive App Simulator */
.demo-card {
  padding: 3.5rem;
}

.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.demo-info h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.demo-info p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.demo-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.demo-nav-btn {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}

.demo-nav-btn svg {
  width: 22px;
  height: 22px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.demo-nav-btn strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-text);
}

.demo-nav-btn span {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.demo-nav-btn.active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  background: var(--color-surface);
}

.simulated-screen {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  min-height: 420px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: all var(--transition-smooth);
}

/* 10. Testimonials Grid */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.testimonial-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stars {
  color: var(--color-honey);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.quote {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-bottom: 1.5rem;
}

.user-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-glow);
  color: #FFF;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.user-meta strong {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text);
}

.user-meta span {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* 11. FAQ Accordion */
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  padding: 0;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1.5rem 2rem;
  background: transparent;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-smooth);
  padding: 0 2rem;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 2rem 1.5rem;
}

.faq-answer p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* 12. CTA Section */
.cta-card {
  padding: 4rem 2rem;
  text-align: center;
  background: var(--gradient-glow);
  color: #FFFFFF;
  border: none;
}

.cta-card .cta-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
  color: #FFFFFF;
}

.cta-card .cta-subtitle {
  font-size: 1.15rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.cta-form {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  max-width: 520px;
  margin: 0 auto 1.5rem;
  flex-wrap: wrap;
}

.input-wrapper {
  position: relative;
  flex: 1;
  min-width: 260px;
}

.input-icon {
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
  width: 18px;
  height: 18px;
}

.input-wrapper input {
  width: 100%;
  padding: 0.9rem 1.2rem 0.9rem 3rem;
  border-radius: var(--radius-pill);
  border: none;
  font-family: var(--font-sans);
  font-size: 1rem;
  background: #FFFFFF;
  color: var(--color-text);
  outline: none;
}

.btn-cta {
  background: var(--color-text);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}

.btn-cta:hover {
  background: #000;
}

.cta-footer-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  opacity: 0.85;
}

.cta-footer-note svg {
  width: 16px;
  height: 16px;
}

/* 13. Footer */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 4rem 1.5rem 2rem;
  position: relative;
  z-index: 10;
}

.footer-container {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 3rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.footer-brand {
  max-width: 320px;
}

.footer-tagline {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin: 1rem 0;
}

.hosting-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--color-input-bg);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
}

.footer-links-group {
  display: flex;
  gap: 4rem;
  flex-wrap: wrap;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-col h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-text);
}

.footer-col a {
  text-decoration: none;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--color-text-tertiary);
  flex-wrap: wrap;
  gap: 1rem;
}

/* 14. Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--color-overlay);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  padding: 1.5rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  width: 100%;
  max-width: 440px;
  padding: 2.5rem;
  position: relative;
  text-align: left;
  transform: translateY(20px);
  transition: transform var(--transition-smooth);
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 0.4rem;
}

.modal-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.modal-icon-badge {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin: 0 auto 1rem;
}

.modal-header h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}

.modal-header p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
}

.form-group input, .form-group select {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-input-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--color-primary);
}

.modal-success-state {
  text-align: center;
  padding: 1rem 0;
}

.modal-success-state.hidden { display: none; }

.success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin: 0 auto 1rem;
  font-size: 1.5rem;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.4rem;
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  animation: slide-in 0.3s ease-out;
}

@keyframes slide-in {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Animations */
.animate-fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

@keyframes fade-in-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .t-content-grid, .demo-grid { grid-template-columns: 1fr; }
  .floating-badge { display: none; }
  .trimester-content-card, .demo-card { padding: 2rem 1.5rem; }
}