/* ============================================
   FabMeet Landing Page - Design System
   ============================================ */

/* Import Premium Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Color Palette - FabMeet Brand Colors */
  --color-primary: #E11D48;
  /* rose600 */
  --color-primary-light: #FB7185;
  /* rose400 */
  --color-primary-dark: #B91C1C;
  /* Gradient End */
  --color-secondary: #FF6B6B;
  /* coralRed */
  --color-secondary-light: #FFDAC1;
  /* softPeach */
  --color-secondary-dark: #F43F5E;
  /* Gradient Start */
  --color-accent: #BAE6FD;
  /* softBlue */
  --color-accent-light: #FEF3C7;
  /* softYello */
  --color-rose-100: #FFE4E6;
  /* rose100 */

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #F43F5E 0%, #B91C1C 100%);
  --gradient-secondary: linear-gradient(135deg, #FF6B6B 0%, #FB7185 100%);
  --gradient-hero: linear-gradient(135deg, #1E293B 0%, #334155 50%, #1E293B 100%);
  /* slate800 to slate700 */
  --gradient-card: linear-gradient(135deg, rgba(225, 29, 72, 0.1) 0%, rgba(255, 107, 107, 0.1) 100%);

  /* Neutral Colors (Slate) */
  --color-white: #FFFFFF;
  --color-black: #020617;
  /* Slate 950 */
  --color-gray-50: #F8FAFC;
  /* Slate 50 */
  --color-gray-100: #F1F5F9;
  /* Slate 100 */
  --color-gray-200: #E2E8F0;
  /* Slate 200 */
  --color-gray-300: #CBD5E1;
  /* Slate 300 */
  --color-gray-400: #94A3B8;
  /* Slate 400 */
  --color-gray-500: #64748b;
  /* slate500 */
  --color-gray-600: #475569;
  /* Slate 600 */
  --color-gray-700: #334155;
  /* slate700 */
  --color-gray-800: #1E293B;
  /* slate800 */
  --color-gray-900: #0F172A;
  /* Slate 900 */

  /* Background Colors */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  /* Slate 50 */
  --bg-dark: #1E293B;
  /* slate800 */
  --bg-card: rgba(255, 255, 255, 0.05);

  /* Text Colors */
  --text-primary: #1E293B;
  /* slate800 */
  --text-secondary: #64748b;
  /* slate500 */
  --text-light: #94A3B8;
  /* Slate 400 */
  --text-white: #FFFFFF;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Font Sizes */
  --text-xs: 0.75rem;
  /* 12px */
  --text-sm: 0.875rem;
  /* 14px */
  --text-base: 1rem;
  /* 16px */
  --text-lg: 1.125rem;
  /* 18px */
  --text-xl: 1.25rem;
  /* 20px */
  --text-2xl: 1.5rem;
  /* 24px */
  --text-3xl: 1.875rem;
  /* 30px */
  --text-4xl: 2.25rem;
  /* 36px */
  --text-5xl: 3rem;
  /* 48px */
  --text-6xl: 3.75rem;
  /* 60px */
  --text-7xl: 4.5rem;
  /* 72px */

  /* Spacing */
  --space-1: 0.25rem;
  /* 4px */
  --space-2: 0.5rem;
  /* 8px */
  --space-3: 0.75rem;
  /* 12px */
  --space-4: 1rem;
  /* 16px */
  --space-5: 1.25rem;
  /* 20px */
  --space-6: 1.5rem;
  /* 24px */
  --space-8: 2rem;
  /* 32px */
  --space-10: 2.5rem;
  /* 40px */
  --space-12: 3rem;
  /* 48px */
  --space-16: 4rem;
  /* 64px */
  --space-20: 5rem;
  /* 80px */
  --space-24: 6rem;
  /* 96px */

  /* Border Radius */
  --radius-sm: 0.375rem;
  /* 6px */
  --radius-md: 0.5rem;
  /* 8px */
  --radius-lg: 0.75rem;
  /* 12px */
  --radius-xl: 1rem;
  /* 16px */
  --radius-2xl: 1.5rem;
  /* 24px */
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 30px rgba(225, 29, 72, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;

  /* Container */
  --container-max-width: 1280px;
  --container-padding: var(--space-6);
}

/* ============================================
   Base Styles & Reset
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-4);
  color: var(--text-primary);
}

h1 {
  font-size: var(--text-5xl);
}

h2 {
  font-size: var(--text-4xl);
}

h3 {
  font-size: var(--text-3xl);
}

h4 {
  font-size: var(--text-2xl);
}

h5 {
  font-size: var(--text-xl);
}

h6 {
  font-size: var(--text-lg);
}

p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary-dark);
}

/* ============================================
   Container & Layout
   ============================================ */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--space-20) 0;
}

.section-dark {
  background: var(--bg-dark);
  color: var(--text-white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4,
.section-dark h5,
.section-dark h6 {
  color: var(--text-white);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--container-padding);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.navbar-logo {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

.navbar-link {
  color: var(--text-primary);
  font-weight: 500;
  font-size: var(--text-sm);
  transition: color var(--transition-base);
}

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

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.navbar-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: all var(--transition-base);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-block;
  padding: var(--space-4) var(--space-8);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  color: var(--color-white);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn-large {
  padding: var(--space-5) var(--space-12);
  font-size: var(--text-lg);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(233, 30, 99, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(156, 39, 176, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-text h1 {
  font-size: var(--text-6xl);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.hero-text .tagline {
  font-size: var(--text-2xl);
  color: var(--color-accent-light);
  margin-bottom: var(--space-8);
  font-weight: 500;
}

.hero-text p {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-8);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* iPhone Mockup */
.iphone-mockup {
  position: relative;
  width: 320px;
  height: 650px;
  background: #1e293b;
  border-radius: 48px;
  box-shadow:
    0 0 0 12px #334155,
    /* Outer bezel */
    0 0 0 14px #475569,
    /* Inner rim */
    0 30px 60px rgba(0, 0, 0, 0.6);
  /* Drop shadow */
  margin: 0 auto;
  animation: float 6s ease-in-out infinite;
  z-index: 10;
}

.iphone-mockup .screen-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 40px;
  overflow: hidden;
  background: #fff;
  /* Adjust image fit */
}

/* Notch */
.iphone-mockup .notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 28px;
  background: #1e293b;
  border-bottom-left-radius: 18px;
  border-bottom-right-radius: 18px;
  z-index: 20;
}

/* Side Buttons */
.iphone-mockup .power-btn {
  position: absolute;
  top: 130px;
  right: -16px;
  width: 4px;
  height: 60px;
  background: #475569;
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
}

.iphone-mockup .volume-btns {
  position: absolute;
  top: 130px;
  left: -16px;
  width: 4px;
  height: 100px;
  background: #475569;
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
}

.volume-btns::before {
  /* Mute switch */
  content: '';
  position: absolute;
  top: -40px;
  left: 0;
  width: 4px;
  height: 25px;
  background: #475569;
  border-top-left-radius: 4px;
  border-bottom-left-radius: 4px;
}

/* Carousel Styles Adapted for Frame */
.phone-carousel {
  width: 100%;
  height: 100%;
  position: relative;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, visibility 0.8s;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: none;
  /* Remove previous shadow as the frame has it */
}

.carousel-slide.active {
  position: absolute;
  /* Keep absolute to stay in frame */
  opacity: 1;
  visibility: visible;
  z-index: 5;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-20px);
  }
}

/* ============================================
   Features Section
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.feature-card {
  background: var(--color-white);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-200);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--color-primary-light);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  font-size: var(--text-3xl);
}

.feature-card h3 {
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================
   Glassmorphism Card
   ============================================ */
.glass-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-dark);
  color: var(--text-white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-section h4 {
  color: var(--color-white);
  margin-bottom: var(--space-6);
  font-size: var(--text-lg);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-base);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-8);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--text-sm);
}

/* ============================================
   Content Pages (Privacy, Terms, etc.)
   ============================================ */
.content-page {
  padding-top: 120px;
  padding-bottom: var(--space-20);
  min-height: 100vh;
}

.content-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.content-header h1 {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-4);
}

.content-header p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
}

.content-body {
  max-width: 800px;
  margin: 0 auto;
}

.content-body h2 {
  margin-top: var(--space-12);
  margin-bottom: var(--space-6);
  color: var(--color-primary);
}

.content-body h3 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.content-body ul,
.content-body ol {
  margin-left: var(--space-8);
  margin-bottom: var(--space-6);
}

.content-body li {
  margin-bottom: var(--space-3);
  color: var(--text-secondary);
}

.content-body strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  :root {
    --text-6xl: 3rem;
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .hero-image {
    order: -1;
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: var(--space-4);
    --text-6xl: 2.5rem;
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
  }

  .navbar-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-6);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .navbar-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .navbar-toggle {
    display: block;
  }

  .hero {
    min-height: auto;
    padding: var(--space-20) 0;
  }

  .hero-text h1 {
    font-size: var(--text-4xl);
  }

  .hero-text .tagline {
    font-size: var(--text-xl);
  }

  .hero-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: var(--space-12) 0;
  }
}

@media (max-width: 480px) {
  :root {
    --text-6xl: 2rem;
    --text-5xl: 1.75rem;
  }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
  text-align: center;
}

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

.mb-4 {
  margin-bottom: var(--space-4);
}

.mb-8 {
  margin-bottom: var(--space-8);
}

.mb-12 {
  margin-bottom: var(--space-12);
}

.mt-4 {
  margin-top: var(--space-4);
}

.mt-8 {
  margin-top: var(--space-8);
}

.mt-12 {
  margin-top: var(--space-12);
}