/* ==========================================================================
   Modern Landing Page CSS - FitJourney (Dark Theme with Dashboard Colors)
   ========================================================================== */

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

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

body {
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #e0e0e0;
  background-color: #0a0a0a;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* CSS Variables */
:root {
  /* Brand Colors */
  --primary: #6a1b9a;
  --primary-light: #8e44ad;
  --primary-dark: #4a148c;
  --accent: #ff6f00;
  --accent-light: #ff8f00;
  --accent-dark: #e65100;

  /* Background Colors */
  --dark-bg: #1c1c1c;
  --darker-bg: #121212;
  --card-bg: #1e1e1e;
  --elevated-bg: #242424;

  /* Text Colors */
  --text-color: #e0e0e0;
  --light-text: #b0b0b0;
  --muted-text: #757575;

  /* Status Colors */
  --success: #4caf50;
  --warning: #ffc107;
  --error: #f44336;
  --info: #2196f3;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Typography */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition: all 0.3s ease-in-out;
  --transition-fast: 0.15s;
  --transition-slow: all 0.3s ease-in-out;
}

/* Light Mode - Updated to match dashboard */
body.light-mode {
  background-color: #f8fafc;
  color: #1a202c;
  --dark-bg: #f2f2f2;
  --darker-bg: #ffffff;
  --card-bg: #ffffff;
  --elevated-bg: #ffffff;
  --text-color: #1a202c;
  --light-text: #515c6f;
  --muted-text: #718096;
}

/* Focus Management */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Selection */
::selection {
  background-color: var(--accent);
  color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--darker-bg);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary), var(--accent));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--accent), var(--primary));
}

/* Light mode scrollbar */
body.light-mode ::-webkit-scrollbar-track {
  background: #f8fafc;
}

body.light-mode ::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #6a1b9a, #ff6f00);
}

body.light-mode ::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #ff6f00, #6a1b9a);
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: var(--radius);
  z-index: 1000;
  transition: var(--transition-fast);
}

.skip-link:focus {
  top: 6px;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-8);
  }
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

body.light-mode .header {
  background: rgba(248, 250, 252, 0.95);
  border-bottom: 1px solid #e2e8f0;
}

.header.scrolled {
  background: rgba(26, 26, 26, 0.98);
  box-shadow: var(--shadow-md);
}

body.light-mode .header.scrolled {
  background: rgba(248, 250, 252, 0.98);
}

.navbar {
  padding: var(--space-4) 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 640px) {
  .nav-container {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .nav-container {
    padding: 0 var(--space-8);
  }
}

/* Brand */
.nav-brand {
  flex-shrink: 0;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--text-color);
  font-weight: 700;
  font-size: var(--text-xl);
  transition: var(--transition-fast);
}

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

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.brand-text {
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Desktop Navigation */
.nav-menu {
  display: none;
  list-style: none;
  gap: var(--space-8);
  margin: 0;
  padding: 0;
}

@media (min-width: 1024px) {
  .nav-menu {
    display: flex;
  }
}

.nav-link {
  text-decoration: none;
  color: var(--light-text);
  font-weight: 500;
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--primary);
  background-color: rgba(255, 255, 255, 0.05);
}

body.light-mode .nav-link:hover {
  background-color: rgba(106, 27, 154, 0.05);
}

.nav-link.active {
  color: var(--primary);
  background-color: rgba(255, 255, 255, 0.1);
}

body.light-mode .nav-link.active {
  background-color: rgba(106, 27, 154, 0.1);
}

/* Desktop Actions */
.nav-actions {
  display: none;
  align-items: center;
  gap: var(--space-4);
}

@media (min-width: 1024px) {
  .nav-actions {
    display: flex;
  }
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

@media (min-width: 1024px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

body.light-mode .mobile-menu-btn:hover {
  background-color: rgba(106, 27, 154, 0.1);
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background-color: var(--text-color);
  transition: var(--transition-fast);
  transform-origin: center;
}

.hamburger-line:not(:last-child) {
  margin-bottom: 4px;
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(3px, -3px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 60;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 400px;
  height: 100vh;
  background: var(--elevated-bg);
  transform: translateX(100%);
  transition: var(--transition);
  overflow-y: auto;
}

.mobile-menu-overlay.active .mobile-menu {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

body.light-mode .mobile-menu-header {
  border-bottom: 1px solid #e2e8f0;
}

.mobile-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.mobile-logo {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.mobile-brand-text {
  font-weight: 700;
  font-size: var(--text-lg);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mobile-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  color: var(--light-text);
  transition: var(--transition-fast);
}

.mobile-close-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-color);
}

body.light-mode .mobile-close-btn:hover {
  background-color: rgba(106, 27, 154, 0.1);
}

.mobile-menu-content {
  padding: var(--space-6);
}

.mobile-nav-links {
  list-style: none;
  margin: 0 0 var(--space-8) 0;
  padding: 0;
}

.mobile-nav-links li {
  margin-bottom: var(--space-2);
}

.mobile-nav-link {
  display: block;
  text-decoration: none;
  color: var(--light-text);
  font-weight: 500;
  font-size: var(--text-lg);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--primary);
  background-color: rgba(255, 255, 255, 0.05);
}

body.light-mode .mobile-nav-link:hover {
  background-color: rgba(106, 27, 154, 0.05);
}

.mobile-menu-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.mobile-menu-footer {
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

body.light-mode .mobile-menu-footer {
  border-top: 1px solid #e2e8f0;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.btn:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

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

.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  background: transparent;
  color: var(--light-text);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

body.light-mode .btn-ghost {
  border: 1px solid #e2e8f0;
}

.btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text-color);
}

body.light-mode .btn-ghost:hover {
  background-color: rgba(106, 27, 154, 0.05);
  border-color: rgba(106, 27, 154, 0.2);
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-full {
  width: 100%;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
  padding: calc(80px + var(--space-16)) 0 var(--space-24) 0;
  background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
  position: relative;
  overflow: hidden;
}

body.light-mode .hero {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%236a1b9a' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (min-width: 640px) {
  .hero-container {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr 1fr;
    padding: 0 var(--space-8);
  }
}

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

@media (min-width: 1024px) {
  .hero-content {
    text-align: left;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(106, 27, 154, 0.1);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-6);
}

.hero-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-color);
  margin-bottom: var(--space-6);
}

@media (min-width: 640px) {
  .hero-title {
    font-size: var(--text-5xl);
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: var(--text-6xl);
  }
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--text-lg);
  color: var(--light-text);
  margin-bottom: var(--space-8);
  max-width: 600px;
}

@media (min-width: 1024px) {
  .hero-description {
    font-size: var(--text-xl);
  }
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 1024px) {
  .hero-actions {
    justify-content: flex-start;
  }
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

body.light-mode .hero-stats {
  border-top: 1px solid #e2e8f0;
}

.stat {
  text-align: center;
}

@media (min-width: 1024px) {
  .stat {
    text-align: left;
  }
}

.stat-number {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: var(--space-1);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--light-text);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image-container {
  position: relative;
  max-width: 500px;
  width: 100%;
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
}

.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  animation: float 3s ease-in-out infinite;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

body.light-mode .floating-card {
  border: 1px solid #e2e8f0;
}

.floating-card i {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border-radius: var(--radius-lg);
}

.card-1 {
  top: 20%;
  right: -10%;
  animation-delay: 0s;
}

.card-2 {
  bottom: 20%;
  left: -10%;
  animation-delay: 1.5s;
}

.card-title {
  font-weight: 600;
  color: var(--text-color);
  font-size: var(--text-sm);
}

.card-subtitle {
  font-size: var(--text-xs);
  color: var(--light-text);
}

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

/* ==========================================================================
   SECTION STYLES
   ========================================================================== */

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

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(106, 27, 154, 0.1);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--text-color);
  margin-bottom: var(--space-4);
}

@media (min-width: 640px) {
  .section-title {
    font-size: var(--text-4xl);
  }
}

.section-description {
  font-size: var(--text-lg);
  color: var(--light-text);
  max-width: 600px;
  margin: 0 auto;
}

/* ==========================================================================
   FEATURES SECTION
   ========================================================================== */

.features {
  padding: var(--space-24) 0;
  background: var(--card-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-12);
  }
}

.feature-card {
  padding: var(--space-8);
  background: var(--elevated-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

body.light-mode .feature-card {
  border: 1px solid #e2e8f0;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.feature-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-6);
}

.feature-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: var(--space-3);
}

.feature-description {
  font-size: var(--text-base);
  color: var(--light-text);
  margin-bottom: var(--space-6);
  line-height: 1.7;
}

.feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  color: var(--light-text);
}

.feature-list i {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--success);
  color: white;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

/* ==========================================================================
   HOW IT WORKS SECTION
   ========================================================================== */

.how-it-works {
  padding: var(--space-24) 0;
  background: var(--darker-bg);
}

.steps-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
}

@media (min-width: 1024px) {
  .steps-container {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-16);
  }
}

.step {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-8);
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  transition: var(--transition);
}

body.light-mode .step {
  border: 1px solid #e2e8f0;
}

.step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.step-number {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  font-size: var(--text-xl);
  font-weight: 800;
  border-radius: var(--radius-xl);
  flex-shrink: 0;
}

.step-content {
  flex: 1;
}

.step-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: var(--space-3);
}

.step-description {
  font-size: var(--text-base);
  color: var(--light-text);
  line-height: 1.7;
}

.step-visual {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(106, 27, 154, 0.1);
  color: var(--primary);
  border-radius: var(--radius-2xl);
  flex-shrink: 0;
}

.step-visual i {
  font-size: var(--text-3xl);
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */

.faq {
  padding: var(--space-24) 0;
  background: var(--card-bg);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-4);
  overflow: hidden;
  transition: var(--transition);
}

body.light-mode .faq-item {
  border: 1px solid #e2e8f0;
}

.faq-item:hover {
  border-color: var(--primary);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  background: var(--elevated-bg);
  border: none;
  color: var(--text-color);
  font-size: var(--text-lg);
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-fast);
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.05);
}

body.light-mode .faq-question:hover {
  background: rgba(106, 27, 154, 0.05);
}

.faq-icon {
  transition: var(--transition-fast);
  color: var(--primary);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--light-text);
  line-height: 1.7;
  margin: 0;
}

/* ==========================================================================
   CTA SECTION
   ========================================================================== */

.cta {
  padding: var(--space-24) 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
}

@media (min-width: 640px) {
  .cta-title {
    font-size: var(--text-4xl);
  }
}

.cta-description {
  font-size: var(--text-lg);
  margin-bottom: var(--space-8);
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}

@media (min-width: 640px) {
  .cta-actions {
    flex-direction: row;
    justify-content: center;
  }
}

.cta .btn-primary {
  background: white;
  color: var(--primary);
}

.cta .btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
}

.cta .btn-ghost {
  border-color: rgba(255, 255, 255, 0.3);
  color: white;
}

.cta .btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  background: var(--darker-bg);
  padding: var(--space-16) 0 var(--space-8) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

body.light-mode .footer {
  border-top: 1px solid #e2e8f0;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

@media (min-width: 1024px) {
  .footer-content {
    grid-template-columns: 1fr 2fr;
  }
}

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

@media (min-width: 1024px) {
  .footer-brand {
    text-align: left;
  }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  justify-content: center;
}

@media (min-width: 1024px) {
  .footer-logo {
    justify-content: flex-start;
  }
}

.footer-logo img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.footer-logo span {
  font-size: var(--text-xl);
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-description {
  color: var(--light-text);
  margin-bottom: var(--space-6);
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 1024px) {
  .footer-description {
    margin-left: 0;
    margin-right: 0;
  }
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-8);
}

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

@media (min-width: 1024px) {
  .footer-column {
    text-align: left;
  }
}

.footer-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: var(--space-4);
}

.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-list li {
  margin-bottom: var(--space-2);
}

.footer-list a {
  color: var(--light-text);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

.social-links {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
}

@media (min-width: 1024px) {
  .social-links {
    justify-content: flex-start;
  }
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--light-text);
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
}

body.light-mode .social-links a {
  background: rgba(106, 27, 154, 0.1);
}

.social-links a:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
}

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

body.light-mode .footer-bottom {
  border-top: 1px solid #e2e8f0;
}

/* ==========================================================================
   CHATBOT
   ========================================================================== */

.ai-chatbot {
  position: fixed;
  bottom: 100px;
  right: var(--space-6);
  width: 350px;
  height: 500px;
  background: var(--elevated-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  z-index: 40;
  transition: var(--transition);
}

body.light-mode .ai-chatbot {
  border: 1px solid #e2e8f0;
}

.ai-chatbot.hidden {
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.chat-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
}

.chat-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-fast);
}

.chat-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.chat-body {
  flex: 1;
  padding: var(--space-4);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.chat-message {
  display: flex;
  gap: var(--space-2);
}

.chat-message.bot {
  align-self: flex-start;
}

.chat-message.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.message-content {
  max-width: 80%;
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.chat-message.bot .message-content {
  background: var(--card-bg);
  color: var(--text-color);
}

.chat-message.user .message-content {
  background: var(--primary);
  color: white;
}

.chat-footer {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

body.light-mode .chat-footer {
  border-top: 1px solid #e2e8f0;
}

.chat-footer input {
  flex: 1;
  padding: var(--space-3);
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  color: var(--text-color);
  font-size: var(--text-sm);
}

body.light-mode .chat-footer input {
  border: 1px solid #e2e8f0;
}

.chat-footer input:focus {
  outline: none;
  border-color: var(--primary);
}

.chat-footer button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--primary);
  border: none;
  color: white;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-fast);
}

.chat-footer button:hover {
  background: var(--primary-light);
}

.chat-toggle {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 60px;
  height: 60px;
  background: var(--accent);
  border: none;
  color: white;
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: 50;
  transition: var(--transition);
}

.chat-toggle:hover {
  background: var(--accent-dark);
  transform: scale(1.05);
}

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  bottom: var(--space-6);
  left: var(--space-6);
  width: 60px;
  height: 60px;
  background: var(--primary);
  border: none;
  color: white;
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: 50;
  transition: var(--transition);
}

.theme-toggle:hover {
  background: var(--primary-light);
  transform: scale(1.05);
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 768px) {
  .hero {
    padding: calc(80px + var(--space-12)) 0 var(--space-16) 0;
  }

  .hero-title {
    font-size: var(--text-3xl);
  }

  .hero-description {
    font-size: var(--text-base);
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .floating-card {
    display: none;
  }

  .features,
  .how-it-works,
  .faq,
  .cta {
    padding: var(--space-16) 0;
  }

  .step {
    flex-direction: column;
    text-align: center;
  }

  .step-visual {
    order: -1;
  }

  .ai-chatbot {
    width: calc(100vw - var(--space-8));
    right: var(--space-4);
    bottom: 80px;
  }

  .chat-toggle,
  .theme-toggle {
    width: 50px;
    height: 50px;
    bottom: var(--space-4);
  }

  .chat-toggle {
    right: var(--space-4);
  }

  .theme-toggle {
    left: var(--space-4);
  }
}

@media (max-width: 480px) {
  .hero-actions {
    gap: var(--space-3);
  }

  .btn-large {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
  }

  .section-title {
    font-size: var(--text-2xl);
  }

  .cta-title {
    font-size: var(--text-2xl);
  }

  .feature-card,
  .step {
    padding: var(--space-6);
  }
}

/* ==========================================================================
   ACCESSIBILITY
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: high) {
  :root {
    --text-color: #ffffff;
    --light-text: #ffffff;
  }

  body.light-mode {
    --text-color: #000000;
    --light-text: #000000;
  }
}

/* Focus styles for keyboard navigation */
.btn:focus-visible,
.nav-link:focus-visible,
.mobile-nav-link:focus-visible,
.faq-question:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Screen reader only content */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}