/* CSS Custom Properties */
:root {
  /* Light Theme Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f0f9ff;
  --bg-tertiary: #e0f2fe;
  --text-primary: #000000;
  --text-secondary: #000000;
  --text-muted: #333333;
  --border-color: #7dd3fc;
  --shadow-light: rgba(14, 165, 233, 0.08);
  --shadow-medium: rgba(14, 165, 233, 0.15);
  --shadow-heavy: rgba(14, 165, 233, 0.25);

  /* Brand Colors */
  --primary-gradient: linear-gradient(135deg, #0ea5e9, #0284c7);
  --hero-gradient: linear-gradient(
    135deg,
    #0ea5e9 0%,
    #0284c7 50%,
    #0369a1 100%
  );
  --accent-gradient: linear-gradient(45deg, #38bdf8, #0ea5e9);

  /* Transition Properties */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Animation Properties */
  --bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Colors */
[data-theme="dark"] {
  --bg-primary: #0c1821;
  --bg-secondary: #164e63;
  --bg-tertiary: #0e7490;
  --text-primary: #f0f9ff;
  --text-secondary: #bae6fd;
  --text-muted: #7dd3fc;
  --border-color: #0891b2;
  --shadow-light: rgba(14, 116, 144, 0.4);
  --shadow-medium: rgba(14, 116, 144, 0.6);
  --shadow-heavy: rgba(12, 24, 33, 0.8);

  /* Dark theme specific gradients */
  --primary-gradient: linear-gradient(135deg, #0891b2, #0284c7);
  --hero-gradient: linear-gradient(135deg, #164e63 0%, #0c1821 100%);
  --accent-gradient: linear-gradient(45deg, #22d3ee, #0891b2);
}

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

body {
  font-family:
    "Outfit",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #bae6fd 100%);
  background-attachment: fixed;
  overflow-x: hidden;
  transition:
    background var(--transition-normal),
    color var(--transition-normal);
}

[data-theme="dark"] body {
  background: linear-gradient(135deg, #0c1821 0%, #164e63 50%, #0e7490 100%);
  background-attachment: fixed;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1,
h2,
h3,
h4 {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 3.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

p {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  transition: color var(--transition-normal);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 0;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(125, 211, 252, 0.3);
}

[data-theme="dark"] .navbar {
  background: rgba(15, 23, 42, 0.95) !important;
  border-bottom: 1px solid rgba(8, 145, 178, 0.3) !important;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="dark"] .nav-logo {
  background: none !important;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  background-clip: unset;
  color: #38bdf8 !important;
}

.nav-logo i {
  margin-right: 0.5rem;
  font-size: 1.8rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: #000000 !important;
  font-weight: 500;
  position: relative;
  transition: all var(--transition-normal);
  padding: 0.5rem 0;
}

.nav-link:hover {
  color: #6366f1 !important;
  transform: translateY(-2px);
}

[data-theme="dark"] .nav-link {
  color: #ffffff !important;
}

[data-theme="dark"] .nav-link:hover {
  color: #38bdf8 !important;
}

.nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 50%;
  background: var(--primary-gradient);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

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

/* Theme Toggle Button */
.theme-toggle {
  background: var(--bg-tertiary) !important;
  color: #000000 !important;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  transform: translateY(-2px) rotate(15deg) scale(1.1);
  box-shadow: 0 8px 25px var(--shadow-medium);
  border-color: var(--primary-gradient);
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  color: white;
}

[data-theme="dark"] .theme-toggle {
  color: #ffffff !important;
  background: #1e293b !important;
  border-color: #0891b2 !important;
}

[data-theme="dark"] .theme-toggle:hover {
  color: white !important;
  background: linear-gradient(135deg, #0891b2, #0284c7) !important;
}

.theme-toggle:active {
  transform: translateY(0) rotate(0deg) scale(0.95);
}

.theme-toggle i {
  transition: all var(--transition-normal);
}

[data-theme="dark"] .theme-toggle .fa-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .fa-sun {
  display: inline-block;
}

[data-theme="light"] .theme-toggle .fa-sun,
.theme-toggle .fa-sun {
  display: none;
}

[data-theme="light"] .theme-toggle .fa-moon,
.theme-toggle .fa-moon {
  display: inline-block;
}

.theme-toggle::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: var(--primary-gradient);
  border-radius: 50%;
  transition: all 0.4s var(--bounce);
  transform: translate(-50%, -50%);
  z-index: -1;
}

.theme-toggle:hover::before {
  width: 100%;
  height: 100%;
}

.download-btn {
  background: var(--primary-gradient);
  color: white;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.download-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s;
}

.download-btn:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 15px 35px rgba(59, 130, 246, 0.4);
}

[data-theme="dark"] .download-btn:hover {
  box-shadow: 0 15px 35px rgba(37, 99, 235, 0.6);
}

.download-btn:hover::before {
  left: 100%;
}

.download-btn:active {
  transform: translateY(-1px) scale(1.02);
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: #333;
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background:
    radial-gradient(
      circle at 20% 80%,
      rgba(14, 165, 233, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(2, 132, 199, 0.3) 0%,
      transparent 50%
    ),
    var(--hero-gradient);
  color: white;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.1) 1px,
    transparent 1px
  );
  background-size: 100px 100px;
  animation: moveBackground 20s linear infinite;
  opacity: 0.3;
  z-index: 0;
}

@keyframes moveBackground {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }
  100% {
    transform: translate(-100px, -100px) rotate(360deg);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(5deg);
  }
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  margin-bottom: 1.5rem;
}

.highlight {
  background: linear-gradient(45deg, #ff6b6b, #feca57);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: 1rem 2rem;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.6s var(--bounce);
}

.btn-primary:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary:active {
  transform: translateY(-1px) scale(1.02);
}

.hero-rating {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stars {
  color: #feca57;
}

.hero-rating span {
  color: rgba(255, 255, 255, 0.8);
}

/* Phone Mockup */
.phone-mockup {
  width: 280px;
  height: 560px;
  background: linear-gradient(145deg, #1e293b, #334155);
  border-radius: 40px;
  padding: 20px;
  margin: 0 auto;
  position: relative;
  box-shadow:
    0 25px 60px rgba(14, 165, 233, 0.2),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  transition: all 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: pointer;
  transform-style: preserve-3d;
  animation: phoneFloat 4s ease-in-out infinite;
}

.phone-mockup:hover {
  transform: translateY(-30px) rotateX(-20deg) rotateY(-15deg) rotateZ(-8deg)
    scale(1.1);
  box-shadow:
    0 60px 120px rgba(14, 165, 233, 0.4),
    0 30px 60px rgba(2, 132, 199, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.2);
  animation-play-state: paused;
}

.phone-mockup:active {
  transform: translateY(-20px) rotateX(-15deg) rotateY(-10deg) rotateZ(-5deg)
    scale(1.05);
}

@keyframes phoneFloat {
  0%,
  100% {
    transform: translateY(0px) rotateZ(0deg);
  }
  50% {
    transform: translateY(-10px) rotateZ(1deg);
  }
}

.screen {
  width: 100%;
  height: 100%;
  background: #000000;
  border-radius: 25px;
  overflow: hidden;
  position: relative;
  border: 3px solid #1a1a1a;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.1);
}

.app-interface {
  padding: 20px;
  color: #1f2937;
  background: #ffffff;
  height: 100%;
  border-radius: 22px;
}

.status-bar {
  height: 20px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 10px;
  margin-bottom: 20px;
}

.event-card {
  background: rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 15px;
  margin-bottom: 15px;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.phone-mockup:hover .event-card {
  background: rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  border-color: rgba(0, 0, 0, 0.2);
}

.event-image {
  width: 100%;
  height: 120px;
  background: url("https://images.unsplash.com/photo-1560439514-4e9645039924?ixlib=rb-4.0.3&auto=format&fit=crop&w=500&q=80")
    center/cover;
  border-radius: 10px;
  margin-bottom: 10px;
  position: relative;
}

.event-image::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    rgba(0, 0, 0, 0.3) 100%
  );
  border-radius: 10px;
}

.event-info h4 {
  margin-bottom: 5px;
  font-size: 1rem;
}

.event-info p {
  font-size: 0.8rem;
  color: rgba(31, 41, 55, 0.7);
  margin-bottom: 3px;
}

/* About Section */
.about {
  padding: 80px 0;
  text-align: center;
  background: #ffffff;
  position: relative;
  transition: all var(--transition-normal);
  z-index: 2;
}

.about h2 {
  color: #000000;
  position: relative;
  z-index: 10;
  margin-bottom: 2rem;
  font-weight: 700;
}

.about-description {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.25rem;
  line-height: 1.8;
  color: #000000;
  position: relative;
  z-index: 10;
  font-weight: 600;
}

[data-theme="dark"] .about {
  background: #0c1821;
}

[data-theme="dark"] .features {
  background: #164e63;
}

[data-theme="dark"] .about h2 {
  color: #f0f9ff;
}

[data-theme="dark"] .about-description {
  color: #bae6fd;
}

/* Features Section */
.features {
  padding: 80px 0;
  background: #f8fafc;
  position: relative;
  transition: all var(--transition-normal);
  z-index: 2;
}

.features h2 {
  color: #000000;
  text-align: center;
  position: relative;
  z-index: 10;
  font-weight: 700;
}

.features .section-subtitle {
  color: #000000;
  text-align: center;
  position: relative;
  z-index: 10;
  font-weight: 600;
}

[data-theme="dark"] .features h2 {
  color: #f0f9ff;
}

[data-theme="dark"] .features .section-subtitle {
  color: #bae6fd;
}

.features h2,
.features .section-subtitle {
  text-align: center;
}

.section-subtitle {
  font-size: 1.25rem;
  color: #000000;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  transition: color var(--transition-normal);
  font-weight: 600;
}

[data-theme="dark"] .section-subtitle {
  color: #bae6fd;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  padding: 2rem;
  border-radius: 20px;
  text-align: center;
  transition: all var(--transition-normal);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(99, 102, 241, 0.1),
    transparent
  );
  transition: left 0.6s;
}

.feature-card:hover {
  transform: translateY(-15px) scale(1.02);
  box-shadow: 0 25px 50px var(--shadow-medium);
  border-color: #6366f1;
}

.feature-card:hover::before {
  left: 100%;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) rotate(10deg);
  animation: iconBounce 0.6s ease;
}

@keyframes iconBounce {
  0%,
  100% {
    transform: scale(1.1) rotate(10deg);
  }
  50% {
    transform: scale(1.2) rotate(15deg);
  }
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  font-size: 1.5rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-icon::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.4s var(--bounce);
}

.feature-card:hover .feature-icon::before {
  width: 100%;
  height: 100%;
}

.feature-card h3 {
  color: #000000;
  margin-bottom: 1rem;
  transition: color var(--transition-normal);
  font-weight: 700;
}

.feature-card p {
  color: #000000;
  transition: color var(--transition-normal);
  font-weight: 600;
}

[data-theme="dark"] .feature-card h3 {
  color: #f0f9ff;
}

[data-theme="dark"] .feature-card p {
  color: #bae6fd;
}

/* How It Works Section */
.how-it-works {
  padding: 80px 0;
  background: var(--bg-secondary);
  transition: background-color var(--transition-normal);
}

.how-it-works h2,
.how-it-works .section-subtitle {
  text-align: center;
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-top: 3rem;
}

.step {
  text-align: center;
  position: relative;
  padding: 2rem;
  border-radius: 20px;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.step:hover {
  transform: translateY(-10px);
  background: var(--bg-primary);
  box-shadow: 0 15px 35px var(--shadow-light);
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--primary-gradient);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 1.5rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.step:hover .step-number {
  transform: scale(1.15) rotate(10deg);
  animation: pulse 0.6s ease;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1.15) rotate(10deg);
  }
  50% {
    transform: scale(1.25) rotate(15deg);
  }
}

.step-number::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.4s var(--bounce);
}

.step:hover .step-number::before {
  width: 100%;
  height: 100%;
}

.step h3 {
  color: var(--text-primary);
  margin-bottom: 1rem;
  transition: color var(--transition-normal);
}

/* App Preview Section */
.app-preview {
  padding: 80px 0;
  background: var(--bg-primary);
  transition: background-color var(--transition-normal);
}

.app-preview h2,
.app-preview .section-subtitle {
  text-align: center;
}

.preview-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin: 3rem 0;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 1rem 2rem;
  background: var(--bg-tertiary);
  border: 2px solid transparent;
  border-radius: 50px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
}

.tab-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--primary-gradient);
  transition: all 0.4s var(--smooth);
  z-index: -1;
}

.tab-btn:hover {
  transform: translateY(-3px) scale(1.05);
  border-color: #6366f1;
  color: white;
  box-shadow: 0 8px 25px var(--shadow-medium);
}

.tab-btn:hover::before {
  left: 0;
}

.tab-btn.active {
  background: var(--primary-gradient);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.tab-btn.active::before {
  left: 0;
}

.preview-content {
  max-width: 900px;
  margin: 0 auto;
}

.tab-content {
  display: none;
  text-align: center;
}

.tab-content.active {
  display: block;
}

.preview-mockup {
  padding: 3rem;
  background: var(--bg-secondary);
  border-radius: 20px;
  border: 2px dashed var(--border-color);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.preview-mockup::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(99, 102, 241, 0.1) 0%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity var(--transition-slow);
  animation: rotate 20s linear infinite;
}

.preview-mockup:hover::before {
  opacity: 1;
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.preview-mockup h4 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
  transition: color var(--transition-normal);
}

.preview-image {
  width: 100%;
  max-width: 700px;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px var(--shadow-medium);
  transition: transform var(--transition-normal);
  object-fit: contain;
}

.preview-image:hover {
  transform: scale(1.02);
}

/* FAQ Section */
.faq {
  padding: 80px 0;
  background: var(--bg-secondary);
  transition: background-color var(--transition-normal);
}

.faq h2,
.faq .section-subtitle {
  text-align: center;
}

.faq-container {
  max-width: 800px;
  margin: 3rem auto 0;
}

.faq-item {
  background: var(--bg-primary);
  border-radius: 15px;
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 15px var(--shadow-light);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  position: relative;
}

.faq-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(99, 102, 241, 0.05),
    transparent
  );
  transition: left 0.6s;
}

.faq-item:hover {
  transform: translateX(5px);
  box-shadow: 0 8px 25px var(--shadow-medium);
  border-color: #6366f1;
}

.faq-item:hover::before {
  left: 100%;
}

.faq-question {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.faq-question:hover {
  background: var(--bg-secondary);
}

.faq-question h3 {
  color: var(--text-primary);
  font-size: 1.1rem;
  transition: color var(--transition-normal);
}

.faq-question i {
  color: #6366f1;
  transition: all var(--transition-normal);
  font-size: 1.2rem;
}

.faq-item.active .faq-question i {
  transform: rotate(180deg) scale(1.2);
  color: #8b5cf6;
}

.faq-answer {
  padding: 0 2rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s var(--smooth);
  background: var(--bg-secondary);
}

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

/* CTA Section */
.cta {
  padding: 80px 0;
  background:
    radial-gradient(
      circle at 30% 40%,
      rgba(14, 165, 233, 0.8) 0%,
      transparent 70%
    ),
    radial-gradient(
      circle at 70% 60%,
      rgba(2, 132, 199, 0.6) 0%,
      transparent 70%
    ),
    var(--hero-gradient);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 49%,
    rgba(255, 255, 255, 0.03) 50%,
    transparent 51%
  );
  background-size: 30px 30px;
  animation: slidePattern 15s linear infinite;
}

@keyframes slidePattern {
  0% {
    transform: translateX(-30px) translateY(-30px);
  }
  100% {
    transform: translateX(0) translateY(0);
  }
}

.cta h2 {
  margin-bottom: 1rem;
}

.cta p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
}

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

.cta-note {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Footer */
.footer {
  padding: 60px 0 30px;
  background: var(--bg-tertiary);
  color: #000000;
  transition: all var(--transition-normal);
}

[data-theme="dark"] .footer {
  background: #020617;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: #6366f1;
  margin-bottom: 1rem;
}

.footer-logo i {
  margin-right: 0.5rem;
  font-size: 1.8rem;
}

.footer-brand p {
  color: #000000;
  margin-bottom: 1.5rem;
}

[data-theme="dark"] .footer-brand p {
  color: #9ca3af;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: var(--bg-secondary);
  color: #000000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .social-links a {
  color: var(--text-primary);
}

.social-links a::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: var(--primary-gradient);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.4s var(--bounce);
  z-index: -1;
}

.social-links a:hover {
  color: white;
  transform: translateY(-5px) scale(1.1) rotate(10deg);
  box-shadow: 0 8px 20px var(--shadow-medium);
}

.social-links a:hover::before {
  width: 100%;
  height: 100%;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
}

.link-group h4 {
  color: #000000;
  margin-bottom: 1rem;
}

[data-theme="dark"] .link-group h4 {
  color: white;
}

.link-group a {
  display: block;
  color: #000000;
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: all var(--transition-normal);
  position: relative;
  padding-left: 0;
}

[data-theme="dark"] .link-group a {
  color: var(--text-muted);
}

.link-group a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 2px;
  background: #6366f1;
  transition: width var(--transition-normal);
  transform: translateY(-50%);
}

.link-group a:hover {
  color: #6366f1;
  padding-left: 1rem;
  transform: translateX(5px);
}

.link-group a:hover::before {
  width: 15px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  text-align: center;
  color: #000000;
  transition: all var(--transition-normal);
}

[data-theme="dark"] .footer-bottom {
  color: var(--text-muted);
}

.footer-bottom a {
  color: #6366f1;
  text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 80px;
    flex-direction: column;
    background: var(--bg-primary);
    width: 100%;
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: 0 10px 27px var(--shadow-light);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    z-index: 999;
    border-top: 1px solid var(--border-color);
  }

  [data-theme="dark"] .nav-menu {
    background: rgba(12, 20, 38, 0.98);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu .nav-link {
    display: block;
    margin: 1rem 0;
    font-size: 1.1rem;
  }

  .nav-menu .theme-toggle {
    margin: 1rem auto;
  }

  .nav-menu .download-btn {
    margin-top: 1rem;
    display: inline-block;
  }

  .hamburger {
    display: flex;
    z-index: 1001;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .hero-buttons {
    justify-content: center;
  }

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

  .steps-container {
    grid-template-columns: 1fr;
  }

  .preview-tabs {
    flex-direction: column;
    align-items: center;
  }

  .tab-btn {
    width: 200px;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-primary {
    width: 250px;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  h1 {
    font-size: 2rem;
  }

  .hero {
    padding: 100px 0 60px;
  }

  .phone-mockup {
    width: 240px;
    height: 480px;
  }

  .feature-card,
  .step {
    padding: 1.5rem;
  }

  .faq-question {
    padding: 1rem 1.5rem;
  }

  .faq-answer {
    padding: 0 1.5rem;
  }

  .faq-item.active .faq-answer {
    padding: 0 1.5rem 1rem;
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes glow {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
  }
  50% {
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.7);
  }
}

@keyframes glowDark {
  0%,
  100% {
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.6);
  }
  50% {
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.9);
  }
}

.feature-card {
  animation: fadeInUp 0.6s ease-out forwards;
}

.step {
  animation: slideInLeft 0.8s ease-out forwards;
}

.step:nth-child(even) {
  animation: slideInRight 0.8s ease-out forwards;
}

.faq-item {
  animation: scaleIn 0.5s ease-out forwards;
}

/* Scroll reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.6s ease-out;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Loading animation for buttons */
.loading {
  position: relative;
  color: transparent !important;
}

.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Authentication Styles */
.login-btn {
  background: var(--primary-gradient);
  color: white !important;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .login-btn {
  background: linear-gradient(135deg, #0891b2, #0284c7) !important;
  color: white !important;
}

.login-btn:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: white;
  padding: 1rem 2rem;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.stat-item i {
  color: #feca57;
  font-size: 1.2rem;
}

/* Authentication Modal */
.auth-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: none;
  animation: fadeIn 0.3s ease;
}

.auth-modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

.modal-content {
  background: var(--bg-primary);
  border-radius: 20px;
  width: 90%;
  max-width: 450px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: slideInUp 0.4s var(--bounce);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--bg-tertiary);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
  z-index: 10;
}

.modal-close:hover {
  background: var(--primary-gradient);
  color: white;
  transform: rotate(90deg);
}

.auth-form {
  padding: 2.5rem 2rem 2rem;
}

.form-header {
  text-align: center;
  margin-bottom: 2rem;
}

.form-header h2 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 1.8rem;
}

.form-header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.input-group label {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper i {
  position: absolute;
  left: 1rem;
  color: var(--text-muted);
  z-index: 1;
}

.input-wrapper input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition-normal);
}

.input-wrapper input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.toggle-password {
  position: absolute;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.5rem;
  transition: color var(--transition-normal);
}

.toggle-password:hover {
  color: var(--text-primary);
}

.password-strength {
  margin-top: 0.5rem;
}

.strength-bar {
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.strength-bar::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: var(--strength, 0%);
  background: linear-gradient(90deg, #ef4444, #f59e0b, #10b981);
  transition: width 0.3s ease;
}

.strength-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  display: block;
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.checkbox-wrapper input {
  display: none;
}

.checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-primary);
  position: relative;
  transition: all var(--transition-normal);
}

.checkbox-wrapper input:checked + .checkmark {
  background: var(--primary-gradient);
  border-color: #3b82f6;
}

.checkbox-wrapper input:checked + .checkmark::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 6px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.forgot-password {
  color: #3b82f6;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-normal);
}

.forgot-password:hover {
  color: #2563eb;
}

.auth-btn {
  padding: 1rem 2rem;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

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

.auth-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

.divider {
  position: relative;
  text-align: center;
  margin: 1.5rem 0;
}

.divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border-color);
}

.divider span {
  background: var(--bg-primary);
  padding: 0 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.social-auth {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.social-btn {
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.social-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px var(--shadow-light);
}

.social-btn.google:hover {
  border-color: #ea4335;
  color: #ea4335;
}

.social-btn.facebook:hover {
  border-color: #1877f2;
  color: #1877f2;
}

.auth-switch {
  text-align: center;
  margin-top: 1rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.switch-btn {
  background: none;
  border: none;
  color: #3b82f6;
  cursor: pointer;
  font-weight: 600;
  text-decoration: underline;
  transition: color var(--transition-normal);
}

.switch-btn:hover {
  color: #2563eb;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Responsive Design for Auth Modal */
@media (max-width: 768px) {
  .modal-content {
    width: 95%;
    margin: 1rem;
  }

  .auth-form {
    padding: 2rem 1.5rem;
  }

  .input-row {
    grid-template-columns: 1fr;
  }

  .social-auth {
    grid-template-columns: 1fr;
  }

  .form-options {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-stats {
    justify-content: center;
  }
}

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

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #6366f1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #4f46e5;
}