/* ===== BASE STYLES ===== */
:root {
  /* Цветовая палитра */
  --primary: #6e45e2;
  --primary-light: #8d6eff;
  --primary-dark: #4d2dbb;
  --secondary: #88d3ce;
  --secondary-dark: #5bb8b3;
  --accent: #ff6b6b;
  --success: #4caf50;
  --warning: #ff9800;
  --danger: #f44336;
  --info: #2196f3;
  
  /* Тёмная тема */
  --dark-1: #0f0f1b;
  --dark-2: #1a1a2e;
  --dark-3: #2a2a3a;
  --dark-4: #3d3d4e;
  --dark-5: #505066;
  
  /* Светлая тема */
  --light-1: #ffffff;
  --light-2: #f5f5f7;
  --light-3: #e0e0e5;
  --light-4: #c7c7d1;
  
  /* Текст */
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-tertiary: rgba(255, 255, 255, 0.5);
  --text-dark: #2d2d3a;
  
  /* Градиенты */
  --gradient-blue: linear-gradient(135deg, #6e45e2 0%, #89d3ce 100%);
  --gradient-purple: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
  --gradient-green: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-red: linear-gradient(135deg, #ff758c 0%, #ff7eb3 100%);
  --gradient-orange: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%);
  --gradient-dark: linear-gradient(135deg, #0f0f1b 0%, #1a1a2e 100%);
  
  /* Эффекты */
  --glass: rgba(255, 255, 255, 0.05);
  --glass-light: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.3);
  --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.1);
  
  /* Размеры */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Отступы */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--gradient-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== PARTICLE BACKGROUND ===== */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: transparent;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3.5rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.7;
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: #fff;
}

.gradient-text {
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.text-center {
  text-align: center;
}

.text-uppercase {
  text-transform: uppercase;
}

/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
}

.section-title {
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 50%;
  height: 4px;
  background: var(--gradient-blue);
  border-radius: 2px;
}

/* ===== GLASS EFFECT ===== */
.glass {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.glass:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.2);
  background: var(--glass-light);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: none;
  outline: none;
  gap: 0.5rem;
  white-space: nowrap;
  color: #fff;
}

.btn i {
  font-size: 1.1rem;
}

.btn-sm {
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
}

.btn-md {
  padding: 0.8rem 1.8rem;
  font-size: 1rem;
}

.btn-lg {
  padding: 1rem 2.2rem;
  font-size: 1.1rem;
}

.btn-primary {
  background: var(--gradient-blue);
  color: white;
  box-shadow: 0 4px 15px rgba(110, 69, 226, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(110, 69, 226, 0.4);
  background: linear-gradient(135deg, #7d5ae8 0%, #97d9d4 100%);
}

.btn-secondary {
  background: var(--glass);
  color: white;
  border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-accent {
  background: var(--gradient-red);
  color: white;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-view-all {
  color: var(--text-secondary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
}

.btn-view-all:hover {
  color: var(--primary-light);
}

.btn-view-all i {
  transition: transform 0.3s ease;
}

.btn-view-all:hover i {
  transform: translateX(3px);
}

.btn-chart-action {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-chart-action.active {
  background: var(--glass-light);
  color: var(--primary-light);
}

.btn-chart-action:hover {
  color: white;
}

/* ===== HEADER ===== */
header {
  position: relative;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: all 0.3s ease;
}

.header-scrolled {
  background: rgba(15, 15, 27, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  padding: 0.8rem 0;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.8rem;
  font-weight: 700;
  text-decoration: none;
  color: white;
  gap: 0.75rem;
  transition: all 0.3s ease;
}

.logo:hover {
  color: var(--primary-light);
}

.logo i {
  color: var(--primary-light);
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.logo:hover i {
  transform: rotate(-15deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link i {
  font-size: 1.1rem;
}

.nav-link:hover {
  color: white;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.menu-toggle:hover {
  color: var(--primary-light);
}

/* ===== HERO SECTION ===== */
.hero {
  padding: 12rem 0 8rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(110, 69, 226, 0.15) 0%, rgba(20, 20, 40, 0) 70%);
  z-index: -1;
}

.hero-container {

  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 90%;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  margin-top: 2rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 3rem;
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-size: 2.8rem;
  font-weight: 700;
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-label {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

.hero-image {
  position: relative;
  z-index: 1;
}

.chart-container {
  background: var(--dark-2);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
}

.chart-container:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.chart-title {
  font-weight: 600;
}

.chart-price {
  font-weight: 700;
}

.chart-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1rem;
}

/* ===== FEATURES SECTION ===== */
.features {
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  padding: 2.5rem;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 100%);
  z-index: -1;
}

.feature-icon {
  width: 70px;
  height: 70px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
  transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
  transform: scale(1.1) translateY(-5px);
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
  position: relative;
  display: inline-block;
}

.feature-card h3::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--gradient-blue);
  border-radius: 3px;
}

.feature-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--gradient-green);
  color: white;
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
}

/* ===== TRADING PAIRS SECTION ===== */
.trading-pairs {
  background: var(--dark-1);
}

.pairs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.pair-card {
  padding: 1.8rem;
  transition: all 0.3s ease;
  position: relative;
}

.pair-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-blue);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.pair-card:hover::after {
  opacity: 1;
}

.pair-header {
  display: flex;
  align-items: center;
  margin-bottom: 1.2rem;
}

.pair-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--dark-3);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 1rem;
  font-size: 1.5rem;
  transition: all 0.3s ease;
}

.pair-icon.btc {
  color: #f7931a;
  background: rgba(247, 147, 26, 0.1);
}

.pair-icon.eth {
  color: #627eea;
  background: rgba(98, 126, 234, 0.1);
}

.pair-icon.sol {
  color: #00ffbd;
  background: rgba(0, 255, 189, 0.1);
}

.pair-icon.xrp {
  color: #27a2db;
  background: rgba(39, 162, 219, 0.1);
}

.pair-info {
  flex: 1;
}

.pair-name {
  font-weight: 600;
  font-size: 1.1rem;
}

.pair-volume {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.pair-stats {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 1rem 0;
}

.pair-price {
  font-size: 1.4rem;
  font-weight: 700;
}

.pair-change {
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
}

.price-up {
  color: var(--success);
  background: rgba(76, 175, 80, 0.15);
}

.price-down {
  color: var(--danger);
  background: rgba(244, 67, 54, 0.15);
}

.mini-chart-container {
  height: 80px;
  margin: 1.5rem 0;
}

.btn-trade {
  width: 100%;
  padding: 0.8rem;
  font-size: 1rem;
}

/* ===== CTA SECTION ===== */
.cta {
  position: relative;
}

.cta-card {
  padding: 4rem 2rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(110, 69, 226, 0.1) 0%, rgba(20, 20, 40, 0) 70%);
  z-index: -1;
}

.cta-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-top: 2rem;
}

/* ===== FOOTER ===== */
footer {
  background: var(--dark-2);
  padding: 1rem 0 2rem;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(110,69,226,0) 0%, rgba(110,69,226,0.5) 50%, rgba(110,69,226,0) 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.8rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--gradient-blue);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.8rem;
}

.footer-col a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
}

.footer-col a:hover {
  color: white;
}

.footer-col a i {
  margin-right: 0.5rem;
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}

.footer-col a:hover i {
  transform: translateX(3px);
}

.footer-about {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: white;
}

.footer-logo i {
  color: var(--primary-light);
  margin-right: 0.5rem;
  font-size: 1.5rem;
}

.footer-about-text {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  line-height: 1.7;
}

.footer-apps {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.app-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1rem;
  background: var(--dark-3);
  border-radius: var(--radius-sm);
  color: white;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.app-btn:hover {
  background: var(--dark-4);
  transform: translateY(-2px);
}

.app-btn i {
  margin-right: 0.5rem;
  font-size: 1.2rem;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding-top: 2rem;

}

.footer-copyright {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  text-align: center;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.social-link {
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.social-link:hover {
  color: var(--primary-light);
  transform: translateY(-2px);
}

.footer-legal {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-legal a {
  color: var(--text-tertiary);
  font-size: 0.8rem;
  transition: color 0.3s ease;
}

.footer-legal a:hover {
  color: var(--text-secondary);
}

/* ===== MODAL ===== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  max-width: 500px;
  width: 90%;
  padding: 2.5rem;
  position: relative;
  animation: modalFadeIn 0.4s ease forwards;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.3s ease;
}

.modal-close:hover {
  color: white;
}

.language-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.language-btn {
  padding: 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  color: white;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  background: linear-gradient(135deg, var(--dark-2) 0%, var(--dark-3) 100%);
}

.language-btn img {
  width: 25px;
  height: 25px;
}

.language-btn i {
  font-size: 2rem;
}

.language-btn:hover {
  transform: translateY(-5px) scale(1.03);
  box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ===== UTILITY CLASSES ===== */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

.bg-dark { background: var(--dark-1); }
.bg-darker { background: var(--dark-2); }
.bg-darkest { background: var(--dark-3); }

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
  .hero-title {
    font-size: 3rem;
  }
}

@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
  }
  
  .hero-content {
    order: 1;
    text-align: center;
  }
  
  .hero-subtitle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-cta, .hero-stats {
    display: flex;
    flex-direction: row !important;
    justify-content: center;
  }
  
  .hero-image {
    order: 2;
    max-width: 600px;
    margin: 0 auto;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .section-title {
        padding-bottom: 20px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    background: var(--dark-2);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    z-index: 999;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  
  .nav-links.active {
    transform: translateY(0);
  }
  
  .menu-toggle {
    display: block;
  }
  
  .section {
    padding: 4rem 0;
  }
  
  .hero {
    padding: 8rem 0 4rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .language-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-col {
    max-width: 100%;
  }
  
  .footer-legal {
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-cta {
    flex-direction: column;
    gap: 1rem;
  }
  
  .btn {
    width: 100%;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .modal-content {
    padding: 2rem 1.5rem;
  }
}