:root {
  --primary-start: #0EA5E9;
  --primary-end: #10B981;
  --secondary: #0F172A;
  --background: #020617;
  --text: #FFFFFF;
  --accent: #FBBF24;
  --card-bg: rgba(15, 23, 42, 0.6);
  --border-glow: rgba(14, 165, 233, 0.5);
}

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

html {
  scroll-behavior: smooth;
}

* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--background);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

body.main-page {
  overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1rem;
}

h1 {
  font-size: 96px;
  font-weight: 900;
}

h2 {
  font-size: 64px;
  font-weight: 800;
}

h3 {
  font-size: 48px;
  font-weight: 700;
}

h4 {
  font-size: 32px;
  font-weight: 700;
}

p {
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.9);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

a {
  color: var(--text);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

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

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

.gradient-bg {
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 50px;
  height: 60px;
  border-radius: 30px;
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(14, 165, 233, 0.3);
  line-height: 1;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px rgba(14, 165, 233, 0.5);
}

.btn-secondary {
  background: transparent;
  border: 2px solid var(--primary-start);
  color: var(--primary-start);
  padding: 0 50px;
  height: 60px;
}

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

.card {
  background: var(--card-bg);
  border-radius: 20px;
  padding: 40px;
  border: 1px solid rgba(14, 165, 233, 0.2);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  overflow: hidden;
  word-wrap: break-word;
}

.card:hover {
  border-color: var(--primary-start);
  box-shadow: 0 20px 60px rgba(14, 165, 233, 0.3);
  transform: translateY(-5px);
}

.card p,
.card h1,
.card h2,
.card h3,
.card h4,
.card h5,
.card h6,
.card ul,
.card li {
  max-width: 100%;
  overflow-wrap: break-word;
}

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.3s ease;
  padding: 30px 0;
}

header.transparent {
  background: transparent;
}

header.scrolled {
  background: rgba(2, 6, 23, 0.95);
  backdrop-filter: blur(10px);
  padding: 20px 0;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 28px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

header.scrolled .logo {
  font-size: 24px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 40px;
  align-items: center;
}

nav a {
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

.lang-toggle {
  display: flex;
  gap: 10px;
  align-items: center;
  background: rgba(15, 23, 42, 0.6);
  padding: 8px 16px;
  border-radius: 20px;
  border: 1px solid rgba(14, 165, 233, 0.3);
}

.lang-toggle button {
  background: none;
  border: none;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.lang-toggle button.active {
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  color: var(--text);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 28px;
  cursor: pointer;
  padding: 10px;
}

footer {
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  color: var(--text);
  padding: 80px 0 30px;
  margin-top: 100px;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 60px;
}

.footer-column h4 {
  font-size: 20px;
  margin-bottom: 20px;
  font-weight: 700;
}

.footer-column ul {
  list-style: none;
}

.footer-column ul li {
  margin-bottom: 12px;
}

.footer-column a {
  color: rgba(255, 255, 255, 0.9);
  transition: all 0.3s ease;
}

.footer-column a:hover {
  color: var(--text);
  padding-left: 5px;
}

.footer-bottom {
  max-width: 1400px;
  margin: 40px auto 0;
  padding: 20px 40px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section {
  padding: 100px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  background: linear-gradient(135deg, var(--primary-start), var(--primary-end));
  border-radius: 16px;
  margin-bottom: 20px;
}

.star-rating {
  color: var(--accent);
  font-size: 20px;
  margin-bottom: 10px;
}

.glow {
  box-shadow: 0 0 30px rgba(14, 165, 233, 0.5);
}