:root {
  --bg-primary: #0a0f1a;
  --bg-secondary: #0f1620;
  --bg-card: #132430;
  --text-primary: #f0f9ff;
  --text-secondary: #94b3c8;
  --text-muted: #637d94;
  --accent-teal: #06b6d4;
  --accent-cyan: #00d4ff;
  --accent-blue: #0ea5e9;
  --border-color: rgba(255, 255, 255, 0.08);
  --grid-color: rgba(6, 182, 212, 0.12);
}

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 0;
  overflow: hidden;
  background: linear-gradient(135deg, #0a0f1a 0%, #0f1a2e 50%, #132a3a 100%);
}

.grid-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.3;
  animation: gridMove 30s linear infinite;
}

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

.domain-badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.35);
  border-radius: 50px;
  color: var(--accent-cyan);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #f0f9ff 0%, var(--accent-cyan) 50%, var(--accent-teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.domain-ext {
  color: var(--accent-cyan);
  -webkit-text-fill-color: var(--accent-cyan);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 3rem;
  flex-wrap: wrap;
}

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

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Value Section */
.value-section {
  padding: 6rem 0;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-top: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-intro {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(6, 182, 212, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 48px rgba(6, 182, 212, 0.15);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(0, 212, 255, 0.1));
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1rem;
}

/* Contact Section */
.contact-section {
  padding: 6rem 0;
  background: linear-gradient(180deg, #0a0f1a 0%, #050810 100%);
  border-top: 1px solid var(--border-color);
}

.contact-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.contact-content h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-intro {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.contact-form {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(19, 42, 48, 0.5) 100%);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 3rem;
  text-align: left;
  box-shadow: 0 8px 32px rgba(6, 182, 212, 0.08);
}

.form-row-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

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

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.form-input {
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  font-family: inherit;
  color: var(--text-primary);
  background: rgba(15, 22, 32, 0.8);
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  transition: all 0.3s ease;
  outline: none;
}

.form-input:focus {
  background: rgba(15, 22, 32, 0.95);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.15);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
  line-height: 1.6;
}

.submit-btn {
  width: 100%;
  padding: 1.1rem 2rem;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-teal));
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  margin-top: 0.5rem;
  letter-spacing: 0.3px;
}

.submit-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(6, 182, 212, 0.35);
}

.submit-btn:active:not(:disabled) {
  transform: translateY(0);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.form-status {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  border-radius: 8px;
  font-size: 0.95rem;
  display: none;
  text-align: center;
  font-weight: 500;
}

.form-status.success {
  background: rgba(16, 185, 129, 0.1);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.form-status.error {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-section {
    min-height: 70vh;
    padding: 4rem 0;
  }

  .hero-stats {
    gap: 2rem;
  }

  .form-row-grid {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 2rem;
  }

  .value-section,
  .contact-section {
    padding: 4rem 0;
  }

  .form-input {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .container-custom {
    padding: 0 1.5rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .feature-card {
    padding: 2rem;
  }
}