/* ================================================
   AIGEN HAPPY WEBSITE - MAIN STYLES
   Using color scheme from mobile app theme
   ================================================ */

/* CSS Custom Properties (Colors from Aigen app) */
:root {
  /* Primary Colors */
  --primary-main: #4f46e5;
  --primary-light: #818cf8;
  --primary-dark: #3730a3;
  
  /* Secondary Colors */
  --secondary-main: #06b6d4;
  --secondary-light: #67e8f9;
  --secondary-dark: #0891b2;
  
  /* Grayscale */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Semantic Colors */
  --white: #ffffff;
  --black: #000000;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  
  /* Background Colors */
  --background: #f9fafb;
  --surface: #ffffff;
  --border: #e5e7eb;
  --text: #111827;
  --text-secondary: #6b7280;
  --text-light: #ffffff;
  
  /* Enhanced Gradients (更丰富的渐变效果) */
  --gradient-primary: linear-gradient(135deg, var(--primary-main) 0%, var(--secondary-main) 100%);
  --gradient-hero: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-main) 50%, var(--secondary-main) 100%);
  --gradient-card: linear-gradient(145deg, var(--white) 0%, var(--gray-50) 100%);
  --gradient-dark: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
  --gradient-light: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  --gradient-brand: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --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);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.25s ease-in-out;
  --transition-slow: 0.35s ease-in-out;
  
  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-tooltip: 1070;
}

/* ================================================
   RESET & BASE STYLES
   ================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  line-height: 1.6;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--text);
  background-color: var(--background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ================================================
   TYPOGRAPHY
   ================================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
  line-height: 1.7;
}

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

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

/* ================================================
   LAYOUT UTILITIES
   ================================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--spacing-md);
}

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

/* ================================================
   NAVIGATION
   ================================================ */

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

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo {
  height: 32px;
  width: auto;
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-link {
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-link.nav-cta {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-weight: 600;
}

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

.nav-toggle {
  display: none;
  font-size: var(--font-size-xl);
  cursor: pointer;
  color: var(--text);
}

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

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  /* 增强渐变背景以更好展示白色logo */
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-main) 30%, var(--secondary-dark) 70%, var(--secondary-main) 100%);
  /* 添加微妙的动画效果 */
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(79, 70, 229, 0.8) 0%, 
    rgba(79, 70, 229, 0.6) 50%, 
    rgba(6, 182, 212, 0.8) 100%);
  z-index: -1;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.hero-content {
  color: var(--white);
}

.hero-logo {
  height: 80px;
  width: auto;
  margin-bottom: var(--spacing-lg);
  /* 为白色logo增加合适的阴影效果 */
  filter: drop-shadow(0 4px 20px rgba(255, 255, 255, 0.2));
  /* 添加浮动动画 */
  animation: float 6s ease-in-out infinite;
  transition: transform var(--transition-normal);
}

.hero-logo:hover {
  transform: scale(1.05);
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
}

.hero-tagline {
  font-size: var(--font-size-2xl);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  color: var(--secondary-light);
  line-height: 1.3;
}

.hero-title-main {
  display: block;
  opacity: 0.9;
}

.hero-title-sub {
  display: block;
  background: linear-gradient(45deg, var(--white) 0%, var(--secondary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-2xl);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-3xl);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-2xl);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--white);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
}

.hero-phone {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  position: relative;
  width: 300px;
  height: 600px;
  background: var(--white);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-xl);
  transform: rotate(-5deg);
  transition: transform var(--transition-slow);
}

.phone-mockup:hover {
  transform: rotate(0deg) scale(1.05);
}

.phone-screen {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: var(--font-size-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: left 0.5s ease;
  z-index: -1;
}

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

.btn-large {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

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

.btn-primary:hover {
  background: var(--primary-main);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

/* ================================================
   PROBLEM-SOLUTION SECTION
   ================================================ */

.problem-solution {
  padding: var(--spacing-3xl) 0;
  background: var(--white);
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.problem-card {
  background: var(--gradient-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.problem-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.problem-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
}

.problem-icon.sad {
  background: linear-gradient(135deg, #fef3c7, #fbbf24);
  color: #92400e;
}

.problem-icon.stressed {
  background: linear-gradient(135deg, #fce7f3, #f472b6);
  color: #be185d;
}

.problem-icon.lost {
  background: linear-gradient(135deg, #e0f2fe, #06b6d4);
  color: #0891b2;
}

.problem-card h3 {
  font-size: var(--font-size-xl);
  color: var(--text);
  margin-bottom: var(--spacing-md);
}

.problem-card p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.solution {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--primary-main);
  color: var(--white);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
}

.solution-icon {
  font-size: var(--font-size-lg);
}

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

.features {
  padding: var(--spacing-3xl) 0;
  background: var(--background);
}

.features-grid {
  display: grid;
  gap: var(--spacing-3xl);
  margin-top: var(--spacing-3xl);
}

.feature-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(79, 70, 229, 0.1), transparent);
  transition: left 0.6s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--primary-light);
}

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

.feature-card:nth-child(even) {
  direction: rtl;
}

.feature-card:nth-child(even) > * {
  direction: ltr;
}

.feature-video,
.feature-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-icon {
  position: absolute;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 48px;
  height: 48px;
  background: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-main);
  font-size: var(--font-size-xl);
  box-shadow: var(--shadow-lg);
}

.feature-title {
  font-size: var(--font-size-2xl);
  color: var(--text);
  margin-bottom: var(--spacing-md);
}

.feature-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

.feature-list li i {
  color: var(--success);
  font-size: var(--font-size-sm);
}

/* ================================================
   PERMA WHEEL
   ================================================ */

.perma-wheel {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: rotate 20s linear infinite;
}

.perma-center {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--white);
  z-index: 2;
}

.perma-segment {
  position: absolute;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--white);
  font-size: var(--font-size-lg);
}

.perma-segment.positive { top: 10px; left: 50%; transform: translateX(-50%); }
.perma-segment.engagement { top: 30px; right: 10px; }
.perma-segment.relationships { bottom: 30px; right: 10px; }
.perma-segment.meaning { bottom: 10px; left: 50%; transform: translateX(-50%); }
.perma-segment.accomplishment { top: 30px; left: 10px; }

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

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

.how-it-works {
  padding: var(--spacing-3xl) 0;
  background: var(--white);
}

.steps-container {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  margin-top: var(--spacing-3xl);
}

.step {
  text-align: center;
  padding: var(--spacing-xl);
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0 auto var(--spacing-lg);
}

.step-title {
  font-size: var(--font-size-xl);
  color: var(--text);
  margin-bottom: var(--spacing-md);
}

.step-description {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.step-visual {
  font-size: var(--font-size-3xl);
  color: var(--primary-main);
}

.step-arrow {
  font-size: var(--font-size-2xl);
  color: var(--gray-400);
}

/* ================================================
   TESTIMONIALS SECTION
   ================================================ */

.testimonials {
  padding: var(--spacing-3xl) 0;
  background: var(--background);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.testimonial-rating {
  margin-bottom: var(--spacing-lg);
}

.stars {
  color: #fbbf24;
  font-size: var(--font-size-lg);
}

.testimonial-text {
  font-size: var(--font-size-lg);
  color: var(--text);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  overflow: hidden;
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0;
}

.author-role {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 0;
}

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

.download-cta {
  padding: var(--spacing-3xl) 0;
  background: var(--gradient-hero);
  color: var(--white);
  text-align: center;
}

.cta-title {
  font-size: var(--font-size-4xl);
  color: var(--white);
  margin-bottom: var(--spacing-lg);
}

.cta-description {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.download-buttons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.download-btn img {
  height: 60px;
  width: auto;
  transition: transform var(--transition-normal);
}

.download-btn:hover img {
  transform: scale(1.05);
}

.qr-code {
  text-align: center;
}

.qr-code img {
  width: 80px;
  height: 80px;
  background: var(--white);
  padding: var(--spacing-sm);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-sm);
}

.qr-code p {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
}

.cta-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-3xl);
  margin-top: var(--spacing-2xl);
}

.cta-stats .stat {
  text-align: center;
}

.cta-stats .stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--white);
}

.cta-stats .stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
}

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

.footer {
  background: var(--gray-900);
  color: var(--white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand h3 {
  font-size: var(--font-size-xl);
  color: var(--white);
  margin-bottom: var(--spacing-sm);
}

.footer-brand p {
  color: var(--gray-400);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  height: 32px;
  width: auto;
  margin-bottom: var(--spacing-md);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: all var(--transition-normal);
}

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

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-2xl);
}

.link-group h4 {
  color: var(--white);
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-lg);
}

.link-group a {
  display: block;
  color: var(--gray-400);
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-fast);
}

.link-group a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: var(--spacing-xl);
  text-align: center;
  color: var(--gray-400);
}

.footer-bottom p {
  margin-bottom: var(--spacing-sm);
}

.footer-bottom p:last-child {
  margin-bottom: 0;
}

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

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

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