/* ==========================================================================
   RecordaU Official Stylesheet
   Design System & Component Architecture
   ========================================================================== */

/* --- 1. CSS Custom Properties / Design Tokens --- */
:root {
  /* Brand Palette */
  --primary: #3F51B5;
  --primary-light: #5C6BC0;
  --primary-dark: #283593;
  --background: #EEF2FF;
  --background-secondary: #F8FAFC;
  --card-bg: #FFFFFF;
  
  /* Status Colors */
  --success: #22C55E;
  --warning: #F59E0B;
  --danger: #EF4444;
  --info: #0EA5E9;
  
  /* Typography & Neutral Colors */
  --text-primary: #1E293B;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --border: #E2E8F0;
  --border-light: #F1F5F9;
  
  /* Glassmorphism System */
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-card: rgba(255, 255, 255, 0.85);
  --glass-hero: rgba(255, 255, 255, 0.22);
  --glass-border: rgba(255, 255, 255, 0.45);
  --glass-shadow: 0 16px 36px -10px rgba(63, 81, 181, 0.12), 0 0 1px 1px rgba(255, 255, 255, 0.5) inset;
  --glass-blur: blur(18px);
  
  /* Dialog & Accent */
  --dialog-bg: #1F1F33;
  --gradient-brand: linear-gradient(135deg, #3F51B5 0%, #5C6BC0 50%, #EEF2FF 100%);
  --gradient-hero: linear-gradient(145deg, #3F51B5 0%, #4D5FC4 40%, #5C6BC0 75%, #818CF8 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
  --gradient-pill: linear-gradient(135deg, #3F51B5 0%, #5C6BC0 100%);

  /* Spacing & Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --radius-pill: 9999px;

  /* Typography */
  --font-main: 'Inter', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-main);
  background-color: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  background: var(--background);
  min-height: 100vh;
  position: relative;
}

/* Ambient glow in background */
.bg-ambient-layer {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.ambient-circle-1 {
  position: absolute;
  top: -100px;
  right: -80px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(92, 107, 192, 0.25) 0%, rgba(238, 242, 255, 0) 70%);
}

.ambient-circle-2 {
  position: absolute;
  top: 35%;
  left: -150px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(63, 81, 181, 0.15) 0%, rgba(238, 242, 255, 0) 70%);
}

.ambient-circle-3 {
  position: absolute;
  bottom: 5%;
  right: -100px;
  width: 550px;
  height: 550px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(92, 107, 192, 0.18) 0%, rgba(238, 242, 255, 0) 70%);
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

ul {
  list-style: none;
}

/* Focus Visible Accessibility */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* --- 3. Layout & Utilities --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(63, 81, 181, 0.1);
  color: var(--primary);
  border: 1px solid rgba(63, 81, 181, 0.2);
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, #6366F1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glass Card Base */
.glass-card {
  background: var(--glass-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -12px rgba(63, 81, 181, 0.18), 0 0 1px 1px rgba(255, 255, 255, 0.8) inset;
}

/* Primary Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: var(--transition-smooth);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-pill);
  color: #FFFFFF;
  box-shadow: 0 8px 20px -4px rgba(63, 81, 181, 0.4);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  box-shadow: 0 12px 26px -4px rgba(63, 81, 181, 0.5);
  transform: translateY(-2px);
  color: #FFFFFF;
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--primary);
  border: 1.5px solid var(--border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

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

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
}

.btn-disabled {
  opacity: 0.8;
  cursor: default;
  position: relative;
}

.btn-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* --- 4. Navbar --- */
.navbar-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition-smooth);
}

.navbar-wrapper.scrolled {
  padding: 10px 0;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 30px rgba(63, 81, 181, 0.08);
  transition: var(--transition-smooth);
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar-brand img {
  height: 38px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.lang-btn.active {
  background: var(--primary);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(63, 81, 181, 0.3);
}

/* Mobile Hamburger */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  padding: 8px;
  border-radius: 50%;
  background: var(--background);
  border: 1px solid var(--border);
}

.mobile-menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 80px;
  left: 20px;
  right: 20px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  z-index: 999;
  opacity: 0;
  transform: translateY(-20px);
  pointer-events: none;
  transition: var(--transition-bounce);
}

.mobile-nav-drawer.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.mobile-nav-drawer .nav-link {
  font-size: 1.1rem;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
}

/* --- 5. Hero Section --- */
.hero-section {
  padding-top: 150px;
  padding-bottom: 80px;
  overflow: hidden;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.hero-content {
  max-width: 600px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(63, 81, 181, 0.1);
  border: 1px solid rgba(63, 81, 181, 0.2);
  border-radius: var(--radius-pill);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-tag-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
  animation: pulseGreen 2s infinite;
}

@keyframes pulseGreen {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-features-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.feature-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.feature-pill svg {
  color: var(--primary);
  width: 18px;
  height: 18px;
}

/* --- 6. Realistic Phone Mockup (Flutter Match) --- */
.hero-mockup-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-device {
  width: 320px;
  height: 640px;
  background: #0F172A;
  border-radius: 44px;
  padding: 12px;
  box-shadow: 0 25px 60px -15px rgba(40, 53, 147, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.15) inset;
  position: relative;
  z-index: 2;
  transition: transform 0.4s ease;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #EEF2FF;
  border-radius: 34px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  font-size: 0.85rem;
}

.phone-speaker-notch {
  width: 120px;
  height: 20px;
  background: #0F172A;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.phone-camera {
  width: 8px;
  height: 8px;
  background: #1E293B;
  border-radius: 50%;
}

/* Phone App Header */
.app-header {
  background: linear-gradient(145deg, #3F51B5 0%, #5C6BC0 100%);
  color: #FFFFFF;
  padding: 30px 16px 18px 16px;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
  box-shadow: 0 6px 16px rgba(63, 81, 181, 0.25);
}

.app-header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.app-user-greeting {
  font-size: 0.8rem;
  opacity: 0.9;
}

.app-user-title {
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.app-sync-status {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.2);
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
}

.app-sync-status .sync-dot {
  width: 6px;
  height: 6px;
  background: #22C55E;
  border-radius: 50%;
}

.app-search-mini {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 10px;
  padding: 6px 10px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Phone App Body Content */
.app-body {
  padding: 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.app-section-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.app-priority-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot-danger { background: var(--danger); }
.dot-warning { background: var(--warning); }
.dot-success { background: var(--success); }

/* App Task Card */
.app-task-card {
  background: #FFFFFF;
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-left: 4px solid var(--primary);
  transition: transform 0.2s ease;
}

.app-task-card.priority-high {
  border-left-color: var(--danger);
}
.app-task-card.priority-medium {
  border-left-color: var(--warning);
}
.app-task-card.priority-normal {
  border-left-color: var(--success);
}

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

.app-subject-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(63, 81, 181, 0.08);
  padding: 2px 6px;
  border-radius: 6px;
}

.app-task-time {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--danger);
  display: flex;
  align-items: center;
  gap: 3px;
}

.app-task-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.app-task-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Floating Elements around Mockup */
.mockup-floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  box-shadow: 0 12px 28px -6px rgba(63, 81, 181, 0.2);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 3;
  animation: floatSlow 5s ease-in-out infinite alternate;
}

.floating-top-right {
  top: 40px;
  right: -30px;
}

.floating-bottom-left {
  bottom: 80px;
  left: -40px;
  animation-delay: 2.5s;
}

.float-icon-box {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
}

.float-icon-blue { background: var(--primary); }
.float-icon-green { background: var(--success); }

.float-text-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-primary);
}

.float-text-sub {
  font-size: 0.68rem;
  color: var(--text-secondary);
}

@keyframes floatSlow {
  0% { transform: translateY(0px); }
  100% { transform: translateY(-12px); }
}

/* --- 7. Problem / Solution Section --- */
.problem-solution-section {
  background: var(--background-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.workflow-steps-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  margin-top: 48px;
  flex-wrap: wrap;
  gap: 16px;
}

.workflow-step-card {
  flex: 1;
  min-width: 200px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.02);
  position: relative;
  transition: var(--transition-smooth);
}

.workflow-step-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-light);
  box-shadow: 0 16px 30px rgba(63, 81, 181, 0.12);
}

.step-num-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(63, 81, 181, 0.1);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px auto;
}

.workflow-step-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--background);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px auto;
}

.workflow-step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.workflow-step-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.workflow-arrow {
  color: var(--primary-light);
  opacity: 0.6;
}

/* --- 8. Visual Demo & Media Viewer Section --- */
.demo-viewer-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 45px -10px rgba(63, 81, 181, 0.1);
  overflow: hidden;
}

.demo-tabs-bar {
  display: flex;
  background: #F1F5F9;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  gap: 8px;
}

.demo-tab-btn {
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-smooth);
  white-space: nowrap;
}

.demo-tab-btn.active {
  background: #FFFFFF;
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.demo-view-content {
  padding: 40px;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}

.placeholder-frame {
  width: 100%;
  max-width: 800px;
  border: 2px dashed rgba(92, 107, 192, 0.35);
  background: rgba(238, 242, 255, 0.4);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.placeholder-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: rgba(63, 81, 181, 0.12);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.placeholder-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(63, 81, 181, 0.1);
  color: var(--primary);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.placeholder-note {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 500px;
}

/* --- 9. Core Features Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.feature-card {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(63, 81, 181, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.feature-card-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- 10. Dedicated 12h / 6h / 2h Timeline Section --- */
.timeline-section-card {
  background: var(--dialog-bg);
  color: #FFFFFF;
  border-radius: var(--radius-xl);
  padding: 60px 48px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(31, 31, 51, 0.4);
}

.timeline-bg-glow {
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(92, 107, 192, 0.3) 0%, rgba(31, 31, 51, 0) 70%);
  pointer-events: none;
}

.timeline-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px auto;
}

.timeline-header .section-title {
  color: #FFFFFF;
}

.timeline-header .section-subtitle {
  color: #94A3B8;
}

.timeline-track-wrapper {
  position: relative;
  margin: 40px 0;
}

.timeline-progress-bar {
  position: absolute;
  top: 36px;
  left: 5%;
  right: 5%;
  height: 4px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  z-index: 1;
}

.timeline-progress-fill {
  height: 100%;
  width: 85%;
  background: linear-gradient(90deg, #22C55E 0%, #F59E0B 50%, #EF4444 100%);
  border-radius: 2px;
}

.timeline-nodes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  z-index: 2;
}

.timeline-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.timeline-node-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #1F1F33;
  border: 3px solid;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease;
}

.timeline-node:hover .timeline-node-circle {
  transform: scale(1.1);
}

.node-12h { border-color: #22C55E; color: #22C55E; }
.node-6h  { border-color: #F59E0B; color: #F59E0B; }
.node-2h  { border-color: #EF4444; color: #EF4444; }
.node-due { border-color: #A855F7; color: #A855F7; }

.timeline-node-num {
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1;
}

.timeline-node-unit {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
}

.timeline-node-title {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.timeline-node-desc {
  font-size: 0.8rem;
  color: #94A3B8;
  line-height: 1.4;
}

/* --- 11. How It Works (4 Steps) --- */
.steps-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.step-box-card {
  padding: 32px 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-card-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(63, 81, 181, 0.18);
  line-height: 1;
}

.step-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.step-card-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* --- 12. App Showcase Showcase Section --- */
.showcase-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
}

.showcase-phone-center {
  display: flex;
  justify-content: center;
}

.showcase-features-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.showcase-item {
  display: flex;
  gap: 18px;
}

.showcase-item-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 12px;
  background: var(--background);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-item-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.showcase-item-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --- 13. Institutional Compatibility --- */
.compatibility-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.compatibility-pill-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 32px 0 20px 0;
}

.compat-pill {
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  background: var(--background);
  border: 1px solid var(--border);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.compat-pill svg {
  color: var(--primary);
  width: 18px;
  height: 18px;
}

.compat-disclaimer {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* --- 14. Security & Privacy Section --- */
.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.security-card {
  padding: 32px;
  border-left: 4px solid var(--primary);
}

.security-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(63, 81, 181, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.security-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.security-card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- 15. About RecordaU --- */
.about-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(238, 242, 255, 0.85) 100%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 56px;
  box-shadow: var(--glass-shadow);
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.about-text {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.about-values {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.about-val-item {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* --- 16. FAQ Accordion --- */
.faq-accordion-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-item.active {
  border-color: var(--primary-light);
  box-shadow: 0 8px 24px rgba(63, 81, 181, 0.08);
}

.faq-question-btn {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  gap: 16px;
}

.faq-icon {
  width: 20px;
  height: 20px;
  min-width: 20px;
  color: var(--primary);
  transition: transform 0.3s ease;
}

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

.faq-answer-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.faq-item.active .faq-answer-body {
  max-height: 300px;
  padding-bottom: 20px;
}

/* --- 17. Download CTA Section --- */
.download-section-box {
  background: var(--gradient-hero);
  border-radius: var(--radius-xl);
  padding: 64px 32px;
  text-align: center;
  color: #FFFFFF;
  box-shadow: 0 20px 45px -10px rgba(63, 81, 181, 0.4);
  position: relative;
  overflow: hidden;
}

.download-title {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.download-subtitle {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto 36px auto;
}

.download-badges-row {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

.store-badge-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius-md);
  padding: 12px 24px;
  color: #FFFFFF;
  position: relative;
  transition: var(--transition-smooth);
}

.store-badge-card:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.store-icon {
  width: 32px;
  height: 32px;
}

.store-text-col {
  text-align: left;
}

.store-sub {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.8;
}

.store-name {
  font-size: 1rem;
  font-weight: 700;
}

.coming-soon-pill {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  background: var(--warning);
  color: #1E293B;
  border-radius: var(--radius-pill);
  margin-left: 6px;
}

/* --- 18. Contact Form & Floating Action --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: flex-start;
}

.contact-info-card {
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.contact-channel-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(63, 81, 181, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
}

.contact-form-box {
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--background-secondary);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(63, 81, 181, 0.15);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Floating Contact Button */
.floating-contact-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient-pill);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(63, 81, 181, 0.4);
  z-index: 990;
  transition: var(--transition-smooth);
}

.floating-contact-btn:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 14px 30px rgba(63, 81, 181, 0.5);
}

/* --- 19. Footer --- */
.site-footer {
  background: #0F172A;
  color: #E2E8F0;
  padding: 70px 0 30px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

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

.footer-tagline {
  font-size: 0.95rem;
  color: #94A3B8;
  margin-top: 14px;
  line-height: 1.5;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 20px;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links-list a {
  font-size: 0.9rem;
  color: #94A3B8;
}

.footer-links-list a:hover {
  color: #FFFFFF;
  transform: translateX(3px);
}

.footer-bottom-bar {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #64748B;
  flex-wrap: wrap;
  gap: 16px;
}

/* Toast Notifications */
.toast-msg {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--dialog-bg);
  color: #FFFFFF;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 10000;
  opacity: 0;
  transition: var(--transition-bounce);
}

.toast-msg.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* --- 20. Auth Confirmed Page Styles --- */
.auth-page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 24px;
  position: relative;
}

.auth-card-box {
  width: 100%;
  max-width: 480px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 36px;
  text-align: center;
  box-shadow: 0 20px 45px -10px rgba(63, 81, 181, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.auth-success-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.12);
  color: var(--success);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.auth-success-circle svg {
  width: 42px;
  height: 42px;
}

.auth-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
}

.auth-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.auth-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  margin-top: 12px;
}