:root {
  --primary: #4F46E5;
  --primary-hover: #4338CA;
  --secondary: #06B6D4;
  --background: #FFFFFF;
  --surface: #F8FAFC;
  --surface-alt: #F1F5F9;
  --text: #0F172A;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --success: #10B981;
  --radius: 8px;
  --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);
}

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

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

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary);
}

.brand svg {
  width: 28px;
  height: 28px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Language switch */
.lang-switcher {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.lang-btn {
  background: none;
  border: none;
  padding: 0.35rem 0.6rem;
  font-size: 0.875rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--text-muted);
  transition: all 0.2s;
}

.lang-btn.active {
  background-color: #ffffff;
  color: var(--primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

/* Hero Section */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
  background: linear-gradient(180deg, var(--surface) 0%, var(--background) 100%);
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.hero .lead {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

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

.btn-secondary {
  background-color: var(--surface-alt);
  color: var(--text);
  border-color: var(--border);
}

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

/* Section Common */
.section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
}

.section-title p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

/* Features Grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: left;
  transition: transform 0.2s, box-shadow 0.2s;
}

.step-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.step-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(79, 70, 229, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-weight: bold;
  font-size: 1.25rem;
}

.step-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.step-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
}

/* Info Grid */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.info-card {
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: var(--radius);
  background: #ffffff;
}

.info-card h4 {
  color: var(--text-muted);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.info-card p {
  font-size: 1.1rem;
  font-weight: 600;
}

/* Forms */
.form-container {
  max-width: 480px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s;
}

.form-control:focus {
  border-color: var(--primary);
}

.turnstile-wrapper {
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: center;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  color: var(--text-muted);
  font-size: 0.875rem;
  background: var(--surface);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a:hover {
  color: var(--text);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.25rem;
  }
  .navbar {
    flex-wrap: wrap;
    height: auto;
    padding: 1rem 0;
    gap: 1rem;
  }
  .nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
  }
}