/* ========================================
   CutXF - Modern Dark Theme
   ======================================== */

/* Variables */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --bg-card-hover: #1a1a25;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #6b6b7b;
  --accent-primary: #00d4ff;
  --accent-secondary: #7c3aed;
  --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  --neon-glow: 0 0 20px rgba(0, 212, 255, 0.3);
  --border-color: rgba(255, 255, 255, 0.06);
}

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

html {
  scroll-behavior: smooth;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Gradient Text */
.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Logo */
.logo-text {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -1px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 212, 255, 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(124, 58, 237, 0.1), transparent);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-primary);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -2px;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  padding: 32px 48px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  max-width: fit-content;
  margin: 0 auto;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-color);
}

/* ========================================
   Section Styles
   ======================================== */
section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

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

/* ========================================
   Features Section
   ======================================== */
.features-section {
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(0, 212, 255, 0.3);
  background: var(--bg-card-hover);
}

.feature-card .feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 12px;
  margin-bottom: 20px;
}

.feature-card .feature-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent-primary);
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ========================================
   How It Works Section
   ======================================== */
.how-section {
  background: var(--bg-primary);
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
}

.step {
  flex: 1;
  max-width: 300px;
  text-align: center;
  padding: 32px 24px;
}

.step-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
  line-height: 1;
}

.step h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}

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

.step-connector {
  width: 60px;
  height: 2px;
  background: var(--border-color);
  margin-top: 60px;
  position: relative;
}

.step-connector::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 8px solid var(--text-muted);
}

/* ========================================
   Tech Section
   ======================================== */
.tech-section {
  background: var(--bg-secondary);
}

.tech-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.tech-text h2 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.tech-text > p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.tech-list {
  list-style: none;
}

.tech-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  font-size: 1rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.tech-list li:last-child {
  border-bottom: none;
}

.check-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 212, 255, 0.1);
  color: var(--accent-primary);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: bold;
}

/* Globe Visual */
.tech-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.globe-container {
  position: relative;
  width: 300px;
  height: 300px;
}

.globe {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.3), rgba(124, 58, 237, 0.2));
  box-shadow:
    0 0 60px rgba(0, 212, 255, 0.2),
    inset 0 0 40px rgba(0, 212, 255, 0.1);
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 50%;
}

.orbit-1 {
  width: 200px;
  height: 200px;
}

.orbit-2 {
  width: 250px;
  height: 250px;
}

.orbit-3 {
  width: 300px;
  height: 300px;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 64px 0 32px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 64px;
  margin-bottom: 48px;
}

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

.footer-brand .logo-text {
  display: block;
  margin-bottom: 16px;
}

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

.footer-links {
  display: flex;
  gap: 64px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 6px 0;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ========================================
   Error Pages
   ======================================== */
.error-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 40px 20px;
}

.error-content {
  text-align: center;
  max-width: 500px;
}

.error-code {
  font-size: 8rem;
  font-weight: 800;
  line-height: 1;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
}

.error-content h1 {
  font-size: 2rem;
  margin-bottom: 15px;
}

.error-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--accent-gradient);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--neon-glow);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .tech-visual {
    order: -1;
  }

  .globe-container {
    width: 250px;
    height: 250px;
  }

  .globe {
    width: 120px;
    height: 120px;
  }

  .orbit-1 { width: 160px; height: 160px; }
  .orbit-2 { width: 200px; height: 200px; }
  .orbit-3 { width: 250px; height: 250px; }
}

@media (max-width: 768px) {
  section {
    padding: 64px 0;
  }

  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
    padding: 24px 32px;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    flex-direction: column;
    gap: 0;
  }

  .step {
    max-width: 100%;
  }

  .step-connector {
    width: 2px;
    height: 40px;
    margin: 0 auto;
  }

  .step-connector::after {
    right: 50%;
    top: 100%;
    transform: translateX(50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid var(--text-muted);
  }

  .footer-content {
    flex-direction: column;
    gap: 40px;
  }

  .footer-links {
    flex-direction: column;
    gap: 32px;
  }

  .error-code {
    font-size: 5rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .feature-card {
    padding: 24px;
  }

  .globe-container {
    width: 200px;
    height: 200px;
  }

  .globe {
    width: 100px;
    height: 100px;
  }

  .orbit-1 { width: 130px; height: 130px; }
  .orbit-2 { width: 160px; height: 160px; }
  .orbit-3 { width: 200px; height: 200px; }
}