/* ============================================
   Stellarr - Cosmic Dark Theme
   ============================================ */

:root {
  --bg-primary: #06060f;
  --bg-secondary: #0c0c1d;
  --bg-card: #111127;
  --bg-card-hover: #16163a;
  --bg-surface: rgba(255, 255, 255, 0.03);

  --text-primary: #f0f0ff;
  --text-secondary: #9494b8;
  --text-muted: #6a6a8e;

  --accent-primary: #818cf8;
  --accent-secondary: #a78bfa;
  --accent-tertiary: #c4b5fd;
  --accent-glow: rgba(129, 140, 248, 0.15);

  --border-color: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(129, 140, 248, 0.3);

  --gradient-accent: linear-gradient(135deg, #818cf8, #a78bfa, #c4b5fd);
  --gradient-bg: linear-gradient(180deg, #06060f 0%, #0c0c1d 50%, #06060f 100%);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---- Reset & Base ---- */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  display: block;
}

/* ---- Starfield Canvas ---- */

#starfield {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ---- Container ---- */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Navigation ---- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  transition: all 0.3s ease;
}

.nav.scrolled {
  background: rgba(6, 6, 15, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-color);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
}

.nav-logo-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 16px 0;
  gap: 4px;
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 10px 0;
  transition: color 0.2s ease;
}

.nav-mobile-link:hover {
  color: var(--text-primary);
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #0a0a1a;
  box-shadow: 0 0 20px rgba(129, 140, 248, 0.3), 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(129, 140, 248, 0.4), 0 8px 24px rgba(0, 0, 0, 0.4);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

/* ---- Hero ---- */

.hero {
  position: relative;
  z-index: 1;
  padding: 140px 24px 60px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(129, 140, 248, 0.12) 0%, rgba(167, 139, 250, 0.06) 40%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-title-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 540px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.hero-stat-icon {
  display: flex;
  align-items: center;
  color: var(--accent-primary);
}

.hero-stat-divider {
  width: 1px;
  height: 20px;
  background: var(--border-color);
}

/* ---- Hero Mockup ---- */

.hero-mockup {
  max-width: 960px;
  margin: 80px auto 0;
  perspective: 1200px;
}

.mockup-browser {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03),
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 100px rgba(129, 140, 248, 0.08);
  transform: rotateX(2deg);
  transition: transform 0.6s var(--ease-out);
}

.mockup-browser:hover {
  transform: rotateX(0deg);
}

.mockup-browser-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-color);
}

.mockup-dots {
  display: flex;
  gap: 6px;
}

.mockup-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mockup-dots span:nth-child(1) { background: #ff5f57; }
.mockup-dots span:nth-child(2) { background: #ffbd2e; }
.mockup-dots span:nth-child(3) { background: #28c840; }

.mockup-url {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.mockup-screen {
  display: flex;
  min-height: 320px;
}

.mockup-sidebar {
  width: 60px;
  border-right: 1px solid var(--border-color);
  padding: 16px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.mockup-sidebar-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--gradient-accent);
  margin-bottom: 8px;
}

.mockup-sidebar-item {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.mockup-sidebar-item.active {
  background: rgba(129, 140, 248, 0.15);
  border: 1px solid rgba(129, 140, 248, 0.3);
}

.mockup-main {
  flex: 1;
  padding: 20px;
}

.mockup-search {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 10px;
  padding: 10px 16px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
}

.mockup-search-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--text-muted);
}

.mockup-search-text {
  width: 140px;
  height: 10px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
}

.mockup-heading {
  width: 120px;
  height: 14px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  margin-bottom: 16px;
}

.mockup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 12px;
}

.mockup-card {
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
}

.mockup-card-img {
  height: 80px;
  opacity: 0.6;
}

.mockup-card-img.c1 { background: linear-gradient(135deg, #667eea, #764ba2); }
.mockup-card-img.c2 { background: linear-gradient(135deg, #f093fb, #f5576c); }
.mockup-card-img.c3 { background: linear-gradient(135deg, #4facfe, #00f2fe); }
.mockup-card-img.c4 { background: linear-gradient(135deg, #43e97b, #38f9d7); }
.mockup-card-img.c5 { background: linear-gradient(135deg, #fa709a, #fee140); }
.mockup-card-img.c6 { background: linear-gradient(135deg, #a18cd1, #fbc2eb); }

.mockup-card-title {
  width: 60%;
  height: 8px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  margin: 8px 8px 4px;
}

.mockup-card-sub {
  width: 35%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.05);
  margin: 0 8px 8px;
}

/* ---- Integrations ---- */

.integrations {
  position: relative;
  z-index: 1;
  padding: 60px 0 80px;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.01);
}

.integrations-label {
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 32px;
}

.integrations-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.integration-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.integration-item:hover {
  color: var(--text-primary);
}

.integration-icon {
  width: 48px;
  height: 48px;
}

/* ---- Section Headers ---- */

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

.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---- Features ---- */

.features {
  position: relative;
  z-index: 1;
  padding: 120px 0;
}

.features-showcase {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.feature-showcase-card {
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: all 0.35s var(--ease-out);
}

.feature-showcase-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 60px rgba(129, 140, 248, 0.06);
}

.feature-showcase-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-showcase-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-showcase-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Feature grid */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 28px 24px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  transition: all 0.3s var(--ease-out);
}

.feature-card:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.04);
}

.feature-card-icon {
  color: var(--accent-primary);
  margin-bottom: 16px;
}

.feature-card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---- How It Works ---- */

.how-it-works {
  position: relative;
  z-index: 1;
  padding: 120px 0;
  background: linear-gradient(180deg, transparent 0%, rgba(129, 140, 248, 0.02) 50%, transparent 100%);
}

.steps {
  max-width: 560px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 1.5px solid rgba(129, 140, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.step-content {
  padding-top: 4px;
}

.step-title {
  font-size: 1.1875rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.step-connector {
  display: flex;
  justify-content: center;
  padding-left: 24px;
  width: 48px;
}

/* ---- Deploy ---- */

.deploy {
  position: relative;
  z-index: 1;
  padding: 120px 0;
}

.deploy-options {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 840px;
  margin: 0 auto;
}

.deploy-card {
  position: relative;
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: all 0.35s var(--ease-out);
  overflow: hidden;
}

.deploy-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.deploy-card.featured {
  border-color: rgba(129, 140, 248, 0.3);
}

.deploy-card-glow {
  position: absolute;
  top: -100px;
  right: -100px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(129, 140, 248, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.deploy-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.deploy-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.deploy-card-icon.docker {
  background: rgba(37, 150, 237, 0.1);
  color: #2596ed;
}

.deploy-card-icon.aws {
  background: rgba(255, 153, 0, 0.1);
  color: #ff9900;
}

.deploy-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  flex: 1;
}

.deploy-card-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 100px;
  background: var(--accent-glow);
  color: var(--accent-primary);
}

.deploy-card-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
}

.deploy-card-code {
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 24px;
  border: 1px solid var(--border-color);
}

.deploy-card-code code {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.875rem;
  color: var(--accent-tertiary);
}

.deploy-card-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.deploy-card-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ---- CTA ---- */

.cta {
  position: relative;
  z-index: 1;
  padding: 80px 0 120px;
}

.cta-inner {
  position: relative;
  text-align: center;
  padding: 80px 40px;
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: -150px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(129, 140, 248, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  position: relative;
}

.cta-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  position: relative;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
}

/* ---- Footer ---- */

.footer {
  position: relative;
  z-index: 1;
  padding: 60px 0 40px;
  border-top: 1px solid var(--border-color);
}

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

.footer-brand {
  max-width: 240px;
}

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 12px;
}

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

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ---- Animations ---- */

[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */

@media (max-width: 900px) {
  .features-showcase {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .deploy-options {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
  }

  .footer-links {
    gap: 40px;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .nav-mobile-toggle {
    display: flex;
  }

  .hero {
    padding: 120px 20px 40px;
  }

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

  .hero-stats {
    gap: 16px;
  }

  .hero-stat-divider {
    display: none;
  }

  .hero-stats {
    flex-direction: column;
  }

  .mockup-screen {
    min-height: 220px;
  }

  .mockup-sidebar {
    width: 44px;
  }

  .mockup-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .mockup-card-img {
    height: 50px;
  }

  .integrations-grid {
    gap: 24px;
  }

  .step {
    gap: 16px;
  }

  .step-number {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .step-connector {
    width: 40px;
    padding-left: 16px;
  }

  .cta-inner {
    padding: 48px 24px;
  }

  .footer-links {
    flex-direction: column;
    gap: 28px;
  }
}

/* ---- Selection ---- */

::selection {
  background: rgba(129, 140, 248, 0.3);
  color: #fff;
}

/* ---- Scrollbar ---- */

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.15);
}