:root {
  --bg-primary: #131519;
  --bg-secondary: #171a1f;
  --bg-card: #1d2026;
  --bg-card-hover: #343944;
  --bg-subtle: #171a1f;
  --border-color: #373d47;
  --border-hover: rgba(255, 98, 62, 0.5);
  --accent-orange: #ff623e;
  --accent-mint: #5ce6a1;
  --accent-peach: #ffad91;
  --text-primary: #f5f1ea;
  --text-secondary: #b9b5af;
  --text-muted: #a39f99;
  --font-sans: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --radius-sm: 8px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Ambient glow lights */
.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.16;
}

.glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-orange) 0%, transparent 70%);
  top: -150px;
  left: 20%;
}

.glow-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-mint) 0%, transparent 70%);
  top: 400px;
  right: 5%;
}

.glow-3 {
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--accent-peach) 0%, transparent 70%);
  top: 1400px;
  left: 0;
}

/* Typography & Utilities */
.accent-text {
  color: var(--accent-orange);
}

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

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(19, 21, 25, 0.75);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo-icon {
  display: block;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent-orange);
  color: #131519;
  font-weight: 600;
  border: 1px solid transparent;
  box-shadow: 0 4px 14px 0 rgba(255, 98, 62, 0.25);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 98, 62, 0.4);
  filter: brightness(1.08);
}

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

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 0.85rem 1.6rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 5rem 1.5rem 3rem;
  text-align: center;
  z-index: 1;
}

.hero-container {
  max-width: 1000px;
  margin: 0 auto;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 0.85rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-mint);
  box-shadow: 0 0 10px rgba(92, 230, 161, 0.25);
}

.badge-label {
  font-weight: 600;
  color: var(--accent-mint);
}

.badge-sep {
  color: var(--text-muted);
}

.badge-desc {
  color: var(--text-secondary);
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 780px;
  margin: 0 auto 2.5rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

/* Quick Curl Bar */
.quick-curl-bar {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  background: rgba(26, 28, 32, 0.9);
  border: 1px solid var(--border-color);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 3.5rem;
  max-width: 100%;
  overflow-x: auto;
}

.quick-curl-bar .curl-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.quick-curl-bar code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent-orange);
  white-space: nowrap;
}

.copy-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.copy-btn.copied {
  background: rgba(92, 230, 161, 0.2);
  border-color: var(--accent-mint);
  color: var(--accent-mint);
}

/* Terminal Showcase Preview Window */
.terminal-showcase-wrapper {
  margin-top: 1rem;
  perspective: 1000px;
}

.terminal-showcase {
  background: #131519;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 40px rgba(255, 98, 62, 0.08);
  overflow: hidden;
  text-align: left;
}

.terminal-window-bar {
  background: #1d2026;
  border-bottom: 1px solid var(--border-color);
  padding: 0.7rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.window-controls {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-close { background-color: #ff5f56; }
.dot-min { background-color: #ffbd2e; }
.dot-max { background-color: #27c93f; }

.terminal-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.term-tab {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--text-muted);
  cursor: pointer;
  background: transparent;
  transition: all 0.2s;
}

.term-tab.active {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
}

.tab-indicator {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.tab-indicator.mint { background-color: var(--accent-mint); }
.tab-indicator.orange { background-color: var(--accent-orange); }
.tab-indicator.neutral { background-color: var(--text-secondary); }

.latency-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-orange);
  background: rgba(255, 98, 62, 0.08);
  padding: 0.25rem 0.65rem;
  border-radius: 100px;
  border: 1px solid rgba(255, 98, 62, 0.25);
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-mint);
  box-shadow: 0 0 8px var(--accent-mint);
}

.terminal-screen {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-primary);
  overflow-wrap: anywhere;
  min-height: 240px;
}

.term-line {
  margin-bottom: 0.35rem;
}

.term-dim { color: var(--text-muted); }
.term-accent { color: var(--accent-orange); }
.term-detail { color: var(--accent-peach); }
.term-success { color: var(--accent-mint); }
.term-url { color: var(--accent-peach); text-decoration: underline; }
.prompt-user { color: var(--accent-mint); font-weight: 600; }
.prompt-sep { color: var(--text-muted); }
.prompt-path { color: var(--accent-peach); }
.prompt-symbol { color: var(--accent-orange); font-weight: 600; margin-right: 0.5rem; }
.typed-command { color: #ffffff; font-weight: 500; }
.cursor-typing { color: var(--accent-mint); }
.term-ghost { color: var(--text-muted); }

/* Sections Common */
.section-padding {
  padding: 6rem 1.5rem;
  position: relative;
  z-index: 1;
}

.bg-subtle {
  background-color: var(--bg-subtle);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

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

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.7rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.08rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: 0 16px 32px -8px rgba(255, 98, 62, 0.1);
  background: var(--bg-card-hover);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.icon-orange { background: rgba(255, 98, 62, 0.1); color: var(--accent-orange); }
.icon-mint { background: rgba(92, 230, 161, 0.1); color: var(--accent-mint); }

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

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

/* Install Tabs Widget */
.install-tabs-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
  box-shadow: var(--shadow-card);
}

.install-tabs-nav {
  display: flex;
  flex-wrap: wrap;
  background: rgba(0, 0, 0, 0.35);
  border-bottom: 1px solid var(--border-color);
  padding: 0.5rem 0.5rem 0;
  gap: 0.35rem;
}

.install-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: pointer;
  transition: all 0.2s;
}

.install-tab-btn:hover {
  color: var(--text-primary);
}

.install-tab-btn.active {
  color: var(--accent-orange);
  background: var(--bg-card);
  border-bottom: 2px solid var(--accent-orange);
}

.install-code-box {
  padding: 1.5rem;
}

.install-tab-content {
  display: none;
}

.install-tab-content.active {
  display: block;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.install-code-box pre {
  background: #131519;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--text-primary);
  line-height: 1.6;
}

.install-notice-banner {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(255, 173, 145, 0.08);
  border: 1px solid rgba(255, 173, 145, 0.3);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  color: var(--accent-peach);
  font-size: 0.88rem;
  line-height: 1.5;
}

.install-notice-banner .notice-icon {
  flex-shrink: 0;
  margin-top: 0.15rem;
  color: var(--accent-peach);
}

.install-notice-banner .notice-body strong {
  color: var(--text-primary);
}

.file-tag.coming-soon {
  background: rgba(255, 173, 145, 0.15);
  color: var(--accent-peach);
  border: 1px solid rgba(255, 173, 145, 0.3);
}

.footer-dim {
  font-size: 0.88rem;
  color: var(--text-muted);
  display: inline-block;
  margin-top: 0.25rem;
}

.btn-block {
  width: 100%;
  justify-content: center;
  margin-top: 1rem;
}

/* Downloads Grid */
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 1.5rem;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
}

.download-card.highlight {
  border-color: rgba(255, 98, 62, 0.4);
  box-shadow: 0 0 30px rgba(255, 98, 62, 0.08);
}

.download-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
}

.os-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-orange);
}

.os-name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.os-version {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.download-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: auto;
}

.download-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}

.download-link:hover {
  background: rgba(255, 98, 62, 0.08);
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

.file-tag {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.08);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  color: var(--text-secondary);
}

.brew-instruction {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-top: 0.5rem;
  word-break: break-all;
}

/* Architecture Section */
.arch-boxes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 2rem;
}

.arch-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  position: relative;
}

.arch-step {
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.06);
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  font-family: var(--font-mono);
}

.arch-card h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.85rem;
  color: var(--accent-orange);
}

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

/* Early Access Section */
.access-card {
  background: linear-gradient(180deg, rgba(29, 31, 35, 0.8) 0%, rgba(19, 21, 25, 0.95) 100%);
  border: 1px solid rgba(255, 98, 62, 0.3);
  border-radius: var(--radius-lg);
  padding: 4rem 2rem;
  text-align: center;
  box-shadow: 0 0 50px rgba(255, 98, 62, 0.08);
  max-width: 800px;
  margin: 0 auto;
}

.access-card .badge-pill {
  margin-bottom: 1.5rem;
}

.access-card .section-title {
  margin-bottom: 1rem;
}

.access-card .section-description {
  max-width: 540px;
  margin: 0 auto 2.5rem;
}

.access-action-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.access-subtext {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  background: #101215;
  padding: 4.5rem 1.5rem 2.5rem;
  position: relative;
  z-index: 1;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.footer-col h5 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.brand-col .logo-text {
  font-size: 1.2rem;
  font-weight: 700;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.92rem;
  max-width: 320px;
  margin: 0.75rem 0 1rem;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .hide-mobile {
    display: none;
  }
  .footer-container {
    grid-template-columns: 1fr;
  }
  .terminal-tabs {
    display: none;
  }
}

/* Shared brand details and accessible interaction states. */
.hero-logo { display: block; margin: 0 auto 1.75rem; }
.hero-section { padding-top: 3.5rem; }
.ambient-glow { max-width: 80vw; }
.term-tab.active { box-shadow: inset 0 -2px var(--accent-orange); }
.arch-step { color: rgba(255, 98, 62, 0.16); }
::selection { background: var(--accent-mint); color: var(--bg-primary); }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--accent-mint);
  outline-offset: 5px;
}
section[id], #preview { scroll-margin-top: 100px; }

@media (max-width: 768px) {
  .hero-section { padding: 2.5rem 1rem 2rem; }
  .section-padding { padding: 4rem 1rem; }
  .hero-logo { width: 76px; height: 76px; }
  .badge-pill { flex-wrap: wrap; justify-content: center; font-size: 0.75rem; }
  .badge-desc { flex-basis: 100%; }
  .badge-sep { display: none; }
  .terminal-window-bar { padding: 0.65rem; gap: 0.5rem; }
  .terminal-screen { padding: 1rem; font-size: 0.78rem; }
  .latency-badge { font-size: 0.6rem; padding: 0.25rem 0.4rem; }
  .feature-card, .arch-card { padding: 1.5rem; }
  .download-link { gap: 0.5rem; text-align: left; }
  .file-tag { flex-shrink: 0; }
  .access-card { padding: 2.5rem 1.25rem; }
  .nav-container { padding: 0.8rem 1rem; gap: 0.75rem; }
  .brand-logo { gap: 0.4rem; font-size: 1.1rem; }
  .nav-actions .btn { padding: 0.55rem 0.65rem; font-size: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}