/* ============================================
   Chey.in - Educational Platform Design System
   ============================================ */

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

/* ============================================
   CSS Variables (Design Tokens)
   ============================================ */
:root {
  /* Primary Colors */
  --primary-dark: #1e3a5f;
  --primary: #3d5a80;
  --primary-light: #5d7a9f;

  /* Product Accent Colors */
  --study-color: #ff7e33;
  --study-light: #ffb380;
  --study-dark: #e66a1f;

  --play-color: #2ecc71;
  --play-light: #7dde9a;
  --play-dark: #25a25a;

  --score-color: #9b59b6;
  --score-light: #c39bd3;
  --score-dark: #7d3c98;

  --learn-color: #e74c3c;
  --learn-light: #f1948a;
  --learn-dark: #c0392b;

  /* Neutral Colors */
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

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

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

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

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}

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

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

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
}

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

/* ============================================
   Typography
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-800);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  margin-bottom: 1rem;
}

.lead {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--gray-600);
}

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

.text-white {
  color: var(--white);
}

/* ============================================
   Layout & Container
   ============================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

.section-sm {
  padding: var(--space-2xl) 0;
}

.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-2-fixed {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
  .grid-2-fixed {
    grid-template-columns: 1fr;
  }
}

.flex {
  display: flex;
}

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

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
}

.logo-img {
  height: 36px;
  width: auto;
}

.logo span {
  background: linear-gradient(135deg, var(--study-color), var(--learn-color));
  -webkit-background-clip: text;
  background-clip: text;
}

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

.nav-link {
  font-weight: 500;
  color: var(--gray-600);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background: var(--gray-50);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 30px;
  height: 2px;
  background: linear-gradient(90deg, var(--study-color), var(--learn-color));
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-700);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

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

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

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

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    gap: var(--space-lg);
    box-shadow: var(--shadow-2xl);
    transition: right var(--transition-normal);
  }

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

  .nav-link {
    font-size: 1.125rem;
    padding: var(--space-md) var(--space-xl);
  }

  .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
  }

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

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(61, 90, 128, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(61, 90, 128, 0.4);
}

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

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

.btn-study {
  background: linear-gradient(135deg, var(--study-dark), var(--study-color));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(255, 126, 51, 0.3);
}

.btn-play {
  background: linear-gradient(135deg, var(--play-dark), var(--play-color));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(46, 204, 113, 0.3);
}

.btn-score {
  background: linear-gradient(135deg, var(--score-dark), var(--score-color));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(155, 89, 182, 0.3);
}

.btn-learn {
  background: linear-gradient(135deg, var(--learn-dark), var(--learn-color));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
}

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.125rem;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

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

.hero-home {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
}

.hero-study {
  background: linear-gradient(135deg, #5d1a3a 0%, #8b2f5c 100%);
}

.hero-play {
  background: linear-gradient(135deg, var(--play-dark) 0%, var(--play-color) 100%);
}

.hero-score {
  background: linear-gradient(135deg, var(--score-dark) 0%, var(--score-color) 100%);
}

.hero-learn {
  background: linear-gradient(135deg, var(--learn-dark) 0%, var(--learn-color) 100%);
}

.hero-contact {
  background: linear-gradient(135deg, var(--gray-700) 0%, var(--gray-800) 100%);
  min-height: 50vh;
}

.hero-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  animation: float 6s ease-in-out infinite;
}

.hero-shape:nth-child(1) {
  width: 300px;
  height: 300px;
  top: -100px;
  right: -100px;
  animation-delay: 0s;
}

.hero-shape:nth-child(2) {
  width: 200px;
  height: 200px;
  bottom: 10%;
  left: 5%;
  animation-delay: 2s;
}

.hero-shape:nth-child(3) {
  width: 150px;
  height: 150px;
  top: 50%;
  right: 10%;
  animation-delay: 4s;
}

@keyframes float {

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

  50% {
    transform: translateY(-20px) rotate(10deg);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-content h1 {
  color: var(--white);
  margin-bottom: var(--space-lg);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(255, 255, 255, 0.2);
  color: var(--white);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(10px);
}

.badge-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
  border-radius: 4px;
}

.badge-arrow {
  display: inline-block;
  transition: transform var(--transition-fast);
}

a.hero-badge:hover .badge-arrow {
  animation: arrowBounce 0.6s ease-in-out infinite;
}

@keyframes arrowBounce {

  0%,
  100% {
    transform: translateX(0);
  }

  50% {
    transform: translateX(5px);
  }
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  overflow: hidden;
}

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

.card-body {
  padding: var(--space-xl);
}

.card-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: var(--space-lg);
}

.card-icon.study {
  background: linear-gradient(135deg, var(--study-light), var(--study-color));
}

.card-icon.play {
  background: linear-gradient(135deg, var(--play-light), var(--play-color));
}

.card-icon.score {
  background: linear-gradient(135deg, var(--score-light), var(--score-color));
}

.card-icon.learn {
  background: linear-gradient(135deg, var(--learn-light), var(--learn-color));
}

.card-icon-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  margin-bottom: var(--space-lg);
  border-radius: var(--radius-lg);
}

.hero-logo {
  max-width: 200px;
  height: auto;
  margin-bottom: var(--space-lg);
}

.product-logo-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.product-logo-row .card-icon-img {
  margin-bottom: 0;
}

.card-text-logo {
  height: 90px;
  width: auto;
  object-fit: contain;
}

.card h3 {
  margin-bottom: var(--space-md);
}

.card p {
  color: var(--gray-600);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--primary);
  font-weight: 600;
  margin-top: var(--space-md);
}

.card-link:hover {
  gap: var(--space-md);
}

/* Product Cards */
.product-card {
  position: relative;
  border: none;
  overflow: visible;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.product-card.study::before {
  background: linear-gradient(90deg, var(--study-color), var(--study-light));
}

.product-card.play::before {
  background: linear-gradient(90deg, var(--play-color), var(--play-light));
}

.product-card.score::before {
  background: linear-gradient(90deg, var(--score-color), var(--score-light));
}

.product-card.learn::before {
  background: linear-gradient(90deg, var(--learn-color), var(--learn-light));
}

/* Clickable Product Cards */
a.product-card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

a.product-card:hover {
  color: inherit;
}

/* ============================================
   Feature List
   ============================================ */
.feature-list {
  display: grid;
  gap: var(--space-lg);
}

.feature-item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.feature-content h4 {
  margin-bottom: var(--space-sm);
}

.feature-content p {
  color: var(--gray-600);
  margin-bottom: 0;
}

/* ============================================
   Stats Section
   ============================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-xl);
  text-align: center;
}

.stat-item {
  padding: var(--space-xl);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.stat-label {
  color: var(--gray-600);
  font-weight: 500;
}

/* ============================================
   Steps/Process Section
   ============================================ */
.steps {
  display: grid;
  gap: var(--space-xl);
  counter-reset: step;
}

.step-item {
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
  counter-increment: step;
}

.step-number {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
}

.step-content {
  flex: 1;
}

.step-content h4 {
  margin-bottom: var(--space-sm);
}

.step-content p {
  color: var(--gray-600);
  margin-bottom: 0;
}

/* ============================================
   Categories Grid
   ============================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-lg);
}

.category-item {
  background: var(--gray-50);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all var(--transition-normal);
}

.category-item:hover {
  background: var(--white);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.category-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.category-item h4 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.category-item p {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 0;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-card {
  background: var(--white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-3xl);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto var(--space-xl);
}

.contact-email {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-lg);
}

.contact-email a {
  color: inherit;
}

.contact-email a:hover {
  text-decoration: underline;
}

.contact-form {
  margin-top: var(--space-2xl);
  text-align: left;
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--gray-700);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(61, 90, 128, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-md);
}

.footer-brand p {
  color: var(--gray-400);
  font-size: 0.9rem;
}

.footer-heading {
  color: var(--white);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  color: var(--gray-400);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--white);
}

.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--gray-800);
  text-align: center;
  color: var(--gray-500);
  font-size: 0.875rem;
}

/* ============================================
   Utilities
   ============================================ */
.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: var(--space-sm);
}

.mb-2 {
  margin-bottom: var(--space-md);
}

.mb-3 {
  margin-bottom: var(--space-lg);
}

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

.mb-5 {
  margin-bottom: var(--space-2xl);
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: var(--space-sm);
}

.mt-2 {
  margin-top: var(--space-md);
}

.mt-3 {
  margin-top: var(--space-lg);
}

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

.mt-5 {
  margin-top: var(--space-2xl);
}

.bg-light {
  background-color: var(--gray-50);
}

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

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

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

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

.animate-delay-1 {
  animation-delay: 0.1s;
}

.animate-delay-2 {
  animation-delay: 0.2s;
}

.animate-delay-3 {
  animation-delay: 0.3s;
}

.animate-delay-4 {
  animation-delay: 0.4s;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 1024px) {
  .hero-content {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-3xl) 0;
  }

  .hero {
    padding-top: 70px;
    text-align: center;
  }

  .hero-content p {
    font-size: 1.1rem;
  }

  .btn-group {
    justify-content: center;
  }

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

  .feature-item {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .contact-card {
    padding: var(--space-xl);
  }
}

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

  .btn {
    width: 100%;
  }

  .btn-group {
    flex-direction: column;
  }

  .stat-number {
    font-size: 2.5rem;
  }
}