/*
Theme Name: にゃんてぃ - TikTokLite完全攻略
Theme URI: https://threads-auto.com
Author: TikTokLite Team
Author URI: https://threads-auto.com
Description: TikTokLite完全攻略 - 月100万の世界へ。Explosive Energyデザインを採用した高コンバージョンランディングページテーマ。
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: nyantei
Tags: one-column, custom-colors, custom-menu, featured-images, full-width-template, theme-options
*/

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

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

body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #0a0a0a;
  color: #fafafa;
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ==========================================================================
   CSS Variables - Explosive Energy Design System
   ========================================================================== */
:root {
  /* Primary Colors */
  --electric-red: #FF0040;
  --electric-red-rgb: 255, 0, 64;
  --volt-yellow: #E6FF00;
  --volt-yellow-rgb: 230, 255, 0;
  
  /* Neutral Colors */
  --deep-black: #0a0a0a;
  --charcoal: #1a1a1a;
  --gray-900: #171717;
  --gray-800: #262626;
  --gray-700: #404040;
  --gray-600: #525252;
  --gray-500: #737373;
  --gray-400: #a3a3a3;
  --gray-300: #d4d4d4;
  --white: #fafafa;
  
  /* Gradients */
  --gradient-red: linear-gradient(135deg, #FF0040, #FF4D6D);
  --gradient-yellow: linear-gradient(135deg, #E6FF00, #FFD700);
  --gradient-fire: linear-gradient(135deg, #E6FF00, #FF0040, #FF4D6D);
  --gradient-green: linear-gradient(135deg, #10B981, #34D399);
  --gradient-purple: linear-gradient(135deg, #8B5CF6, #EC4899);
  --gradient-blue: linear-gradient(135deg, #3B82F6, #06B6D4);
  
  /* Shadows */
  --shadow-red: 0 0 20px rgba(255, 0, 64, 0.5), 0 0 40px rgba(255, 0, 64, 0.3);
  --shadow-yellow: 0 0 20px rgba(230, 255, 0, 0.5), 0 0 40px rgba(230, 255, 0, 0.3);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  
  /* Spacing */
  --container-max: 1280px;
  --section-padding: 5rem;
  
  /* Border Radius */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ==========================================================================
   Typography
   ========================================================================== */
.font-display {
  font-family: 'Bebas Neue', 'Noto Sans JP', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  line-height: 1.2;
}

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

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

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

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

.section {
  padding: var(--section-padding) 0;
  position: relative;
  overflow: hidden;
}

/* ==========================================================================
   Components - Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-red);
  color: var(--white);
  box-shadow: 0 10px 30px rgba(255, 0, 64, 0.3);
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-red);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-lg {
  padding: 1.25rem 2.5rem;
  font-size: 1.25rem;
}

/* ==========================================================================
   Components - Cards
   ========================================================================== */
.card {
  background: rgba(26, 26, 26, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.2);
}

.card-glow {
  position: relative;
}

.card-glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: var(--gradient-fire);
  border-radius: inherit;
  opacity: 0;
  z-index: -1;
  filter: blur(20px);
  transition: opacity var(--transition-base);
}

.card-glow:hover::before {
  opacity: 0.3;
}

/* ==========================================================================
   Components - Badges
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  background: rgba(255, 0, 64, 0.2);
  border: 1px solid rgba(255, 0, 64, 0.5);
  color: #FF6B8A;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 2rem 0;
}

.hero-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.hero-background::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--deep-black), transparent 50%, rgba(10, 10, 10, 0.5));
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1rem;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.hero-title .highlight-yellow {
  color: #FACC15;
}

.hero-title .highlight-red {
  color: #EF4444;
  font-size: 1.2em;
}

.hero-subtitle {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.hero-subtitle .accent {
  color: #EF4444;
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--gray-400);
  margin-bottom: 2rem;
}

/* Diagonal accent lines */
.diagonal-lines {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 5;
}

.diagonal-lines::before,
.diagonal-lines::after {
  content: '';
  position: absolute;
  width: 200%;
  height: 2px;
  left: -50%;
  transform: rotate(-15deg);
}

.diagonal-lines::before {
  top: 20%;
  background: linear-gradient(90deg, transparent, var(--electric-red), transparent);
  opacity: 0.6;
}

.diagonal-lines::after {
  top: 40%;
  background: linear-gradient(90deg, transparent, var(--volt-yellow), transparent);
  opacity: 0.3;
  height: 1px;
}

/* ==========================================================================
   Feature Grid
   ========================================================================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

@media (min-width: 768px) {
  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-item {
  background: rgba(26, 26, 26, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 1.5rem 1rem;
  text-align: center;
  transition: all var(--transition-base);
}

.feature-item:hover {
  transform: translateY(-5px) scale(1.02);
  border-color: rgba(255, 255, 255, 0.2);
}

.feature-icon {
  width: 2.5rem;
  height: 2.5rem;
  margin: 0 auto 0.75rem;
  color: var(--white);
}

.feature-text {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
}

/* ==========================================================================
   Stats Section
   ========================================================================== */
.stats-section {
  background: linear-gradient(to bottom, var(--deep-black), var(--gray-900), var(--deep-black));
  position: relative;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--electric-red), var(--volt-yellow), var(--electric-red));
  transform: skewY(-1deg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  background: rgba(26, 26, 26, 0.5);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: scale(1.05);
}

.stat-value {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 900;
  background: linear-gradient(135deg, #FACC15, #EF4444);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-suffix {
  font-size: 1rem;
  color: var(--gray-400);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-400);
  margin-top: 0.5rem;
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background: rgba(26, 26, 26, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  transform: translateY(-5px) scale(1.02);
}

.testimonial-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.testimonial-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--gradient-green);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial-icon svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--white);
}

.testimonial-amount {
  font-size: 1.5rem;
  font-weight: 900;
  background: var(--gradient-green);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.testimonial-message {
  color: rgba(255, 255, 255, 0.8);
  margin-top: 0.5rem;
}

.testimonial-time {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 0.5rem;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-section {
  background: linear-gradient(to bottom, var(--deep-black), var(--gray-900));
}

.about-card {
  background: rgba(26, 26, 26, 0.5);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .about-card {
    padding: 3rem;
  }
}

.about-text {
  font-size: 1.125rem;
  color: var(--gray-300);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.about-text:last-child {
  margin-bottom: 0;
}

.about-text .highlight-yellow {
  color: #FACC15;
  font-weight: 700;
}

.about-text .highlight-green {
  color: #34D399;
  font-weight: 700;
}

.about-text .highlight-red {
  color: #EF4444;
  font-weight: 700;
}

/* ==========================================================================
   Why Section
   ========================================================================== */
.why-section {
  background: var(--gray-900);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .why-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.why-card {
  background: rgba(10, 10, 10, 0.5);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-base);
}

.why-card:hover {
  transform: scale(1.05);
}

.why-icon {
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #EF4444, #EC4899);
  display: flex;
  align-items: center;
  justify-content: center;
}

.why-icon svg {
  width: 1.75rem;
  height: 1.75rem;
  color: var(--white);
}

.why-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.why-desc {
  font-size: 0.875rem;
  color: var(--gray-400);
}

.why-text {
  font-size: 1.25rem;
  color: var(--gray-300);
  max-width: 800px;
  margin: 3rem auto 0;
  text-align: center;
  line-height: 1.8;
}

/* ==========================================================================
   Methods Section
   ========================================================================== */
.methods-section {
  background: var(--deep-black);
}

.method-item {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 4rem;
}

@media (min-width: 1024px) {
  .method-item {
    flex-direction: row;
    align-items: center;
  }
  
  .method-item:nth-child(even) {
    flex-direction: row-reverse;
  }
}

.method-item:last-child {
  margin-bottom: 0;
}

.method-content {
  flex: 1;
}

.method-number {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 1rem;
}

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

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

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

.method-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.method-subtitle {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

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

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

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

.method-description {
  font-size: 1.125rem;
  color: var(--gray-400);
  line-height: 1.7;
}

.method-image {
  flex: 1;
  max-width: 500px;
  position: relative;
}

.method-image::before {
  content: '';
  position: absolute;
  inset: -1rem;
  border-radius: var(--radius-xl);
  filter: blur(30px);
  opacity: 0.3;
  z-index: -1;
}

.method-image.purple::before {
  background: var(--gradient-purple);
}

.method-image.blue::before {
  background: var(--gradient-blue);
}

.method-image.red::before {
  background: var(--gradient-red);
}

.method-image img {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Setup Section
   ========================================================================== */
.setup-section {
  background: linear-gradient(to bottom, var(--gray-900), var(--deep-black));
}

.setup-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .setup-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.setup-card {
  background: rgba(26, 26, 26, 0.5);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

.setup-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.setup-number {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #EF4444, #EC4899);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.setup-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.setup-desc {
  font-size: 0.875rem;
  color: var(--gray-400);
}

/* Reward Table */
.reward-table {
  background: rgba(26, 26, 26, 0.5);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  overflow: hidden;
  max-width: 600px;
  margin: 3rem auto 0;
}

.reward-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.reward-row:last-child {
  border-bottom: none;
}

.reward-row.highlight {
  background: linear-gradient(90deg, rgba(255, 0, 64, 0.2), rgba(230, 255, 0, 0.2));
}

.reward-type {
  color: var(--gray-300);
}

.reward-amount {
  font-weight: 700;
  color: var(--white);
}

.reward-row.highlight .reward-amount {
  font-size: 1.5rem;
  background: linear-gradient(135deg, #FACC15, #EF4444);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.reward-note {
  text-align: center;
  color: var(--gray-400);
  font-size: 0.875rem;
  margin-top: 1rem;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
  position: relative;
  padding: 6rem 0;
}

.cta-background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cta-background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.cta-background::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--deep-black), rgba(10, 10, 10, 0.8) 50%, rgba(10, 10, 10, 0.6));
}

.cta-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  margin-bottom: 1.5rem;
}

.cta-text {
  font-size: 1.25rem;
  color: var(--gray-300);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .cta-buttons {
    flex-direction: row;
  }
}

.cta-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--gray-400);
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cta-feature svg {
  width: 1rem;
  height: 1rem;
  color: #10B981;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--deep-black);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 3rem 0;
  text-align: center;
}

.footer-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.footer-tagline {
  color: var(--gray-400);
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.footer-social a {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-base);
}

.footer-social a:hover {
  background: rgba(255, 255, 255, 0.2);
}

.footer-social svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--white);
}

.footer-thanks {
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 900;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-400);
}

/* ==========================================================================
   Image Containers
   ========================================================================== */
.image-glow {
  position: relative;
}

.image-glow::before {
  content: '';
  position: absolute;
  inset: -1rem;
  background: var(--gradient-fire);
  border-radius: var(--radius-xl);
  filter: blur(30px);
  opacity: 0.2;
  z-index: -1;
}

.image-glow img {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

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

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

.animate-pulse {
  animation: pulse 2s infinite;
}

.animate-bounce {
  animation: bounce 2s infinite;
}

/* Stagger animation delays */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.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;
}

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

.mx-auto { margin-left: auto; margin-right: auto; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }

.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.5);
}

.scroll-indicator svg {
  width: 2rem;
  height: 2rem;
  animation: bounce 2s infinite;
}