/* updu marketing */

:root {
  --bg: #fafaf7;
  --bg-muted: #f1efe8;
  --surface: #ffffff;
  --border: #e6e3da;
  --text: #16181d;
  --text-muted: #5b6068;
  --accent: #2f6f4f;
  --accent-soft: #e6f1ec;
  --shadow-sm: 0 1px 2px rgba(15, 18, 25, 0.04), 0 1px 1px rgba(15, 18, 25, 0.03);
  --shadow-md: 0 8px 24px rgba(15, 18, 25, 0.06), 0 2px 6px rgba(15, 18, 25, 0.04);
  --radius: 12px;
  --radius-sm: 8px;
  --maxw: 1080px;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

[data-theme="dark"] {
  --bg: #0b0d12;
  --bg-muted: #11141b;
  --surface: #14181f;
  --border: #232832;
  --text: #ecedef;
  --text-muted: #9aa1ac;
  --accent: #5fc295;
  --accent-soft: rgba(95, 194, 149, 0.12);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.45), 0 2px 6px rgba(0, 0, 0, 0.3);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

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

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--bg-muted);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 8px 12px;
  border-radius: 4px;
  z-index: 100;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.brand-name {
  font-size: 1.05rem;
  font-family: var(--font-display);
}

.nav-links {
  display: flex;
  gap: 22px;
  margin-left: auto;
}

.nav-links a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

.nav-links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
  color: var(--text);
  text-decoration: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
  }
}

.theme-toggle {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
}

.theme-toggle-track {
  width: 36px;
  height: 20px;
  background: var(--bg-muted);
  border-radius: 999px;
  position: relative;
  display: inline-block;
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.theme-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: var(--text);
  border-radius: 50%;
  transition: transform 200ms var(--ease), background 200ms var(--ease);
}

[data-theme="dark"] .theme-toggle-thumb {
  transform: translateX(16px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 140ms var(--ease), background 140ms var(--ease), border-color 140ms var(--ease), color 140ms var(--ease);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn:focus-visible {
  text-decoration: none;
  transform: translateY(-1px);
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(0);
}

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

.btn-primary:hover {
  background: color-mix(in srgb, var(--accent) 88%, #000);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover {
  background: var(--bg-muted);
}

.hero {
  padding: 72px 0 56px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: 540px;
  height: 540px;
  background: radial-gradient(closest-side, var(--accent-soft), transparent 70%);
  filter: blur(20px);
  z-index: 0;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 14px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 1.6rem + 3.6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 20px;
  font-weight: 700;
  max-width: 18ch;
}

.accent {
  color: var(--accent);
}

.hero-sub {
  font-size: clamp(1.05rem, 1rem + 0.3vw, 1.2rem);
  color: var(--text-muted);
  max-width: 60ch;
  margin: 0 0 32px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-stats {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}

@media (max-width: 640px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}

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

.hero-panel {
  margin-top: 56px;
  position: relative;
  isolation: isolate;
  background: linear-gradient(145deg, color-mix(in srgb, var(--surface) 94%, var(--accent-soft)) 0%, var(--surface) 58%, var(--bg-muted) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--border) 55%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--border) 40%, transparent) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.16;
  pointer-events: none;
}

.hero-panel-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 24px;
  border-bottom: 1px solid var(--border);
}

.hero-panel-kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero-panel-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1.05rem + 1vw, 1.9rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.hero-panel-badge {
  flex: 0 0 auto;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
}

.hero-flow {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.8fr) minmax(0, 1fr);
  gap: 18px;
  padding: 24px;
  align-items: stretch;
}

.hero-lane,
.hero-core {
  background: color-mix(in srgb, var(--surface) 86%, var(--bg-muted));
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.hero-lane-label,
.hero-core-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.hero-pill-list,
.hero-core-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.hero-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.hero-pill-list li {
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text);
}

.hero-core-list {
  display: grid;
  gap: 10px;
}

.hero-core-list li {
  position: relative;
  padding-left: 16px;
  color: var(--text-muted);
}

.hero-core-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.hero-panel-note {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 16px 24px 24px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.hero-panel-note strong {
  color: var(--text);
}

@media (max-width: 900px) {
  .hero-panel-header {
    flex-direction: column;
  }

  .hero-flow {
    grid-template-columns: 1fr;
  }
}

.section {
  padding: 88px 0;
}

.section-muted {
  background: var(--bg-muted);
}

.section-head {
  max-width: 56ch;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 1.3rem + 1.4vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 8px 0 14px;
}

.section-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), border-color 180ms var(--ease);
}

.feature:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}

.feature-icon {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 8px;
  font-weight: 700;
  margin-bottom: 14px;
  font-family: var(--font-mono);
}

.feature h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}

.feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.chip-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  transition: transform 140ms var(--ease), border-color 140ms var(--ease), color 140ms var(--ease);
}

.chip:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  color: var(--accent);
}

.notify-line {
  text-align: center;
  margin: 36px 0 0;
  color: var(--text-muted);
}

.notify-line strong {
  color: var(--text);
  font-weight: 600;
}

.install-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

@media (max-width: 820px) {
  .install-grid {
    grid-template-columns: 1fr;
  }
}

.install-grid h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 1.3rem + 1.4vw, 2.4rem);
  letter-spacing: -0.02em;
  margin: 8px 0 14px;
  line-height: 1.15;
}

.install-detected {
  margin: 18px 0 0;
  padding: 14px 16px;
  background: color-mix(in srgb, var(--accent-soft) 70%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--accent) 18%, var(--border));
  border-radius: 16px;
  color: var(--text);
  font-size: 0.94rem;
  line-height: 1.55;
}

.tabs {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}

.tab-bar {
  display: flex;
  background: var(--bg-muted);
  border-bottom: 1px solid var(--border);
}

.tab-bar button {
  flex: 1;
  background: transparent;
  border: none;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 140ms var(--ease), border-color 140ms var(--ease), background 140ms var(--ease);
}

.tab-bar button:hover {
  color: var(--text);
}

.tab-bar button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  color: var(--text);
}

.tab-bar button[aria-selected="true"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: var(--surface);
}

.tab-panel {
  position: relative;
}

.binary-selector {
  padding: 22px 22px 18px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent-soft) 85%, transparent), transparent 55%),
    var(--surface);
}

.binary-summary {
  display: grid;
  gap: 6px;
}

.binary-summary-label {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.binary-summary-value {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.binary-summary-note {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.binary-targets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.binary-target {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 84px;
  padding: 9px 13px;
  border-radius: 999px;
  background: var(--bg-muted);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 140ms var(--ease), border-color 140ms var(--ease), color 140ms var(--ease), background 140ms var(--ease);
}

.binary-target:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  color: var(--text);
  text-decoration: none;
}

.binary-target:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  color: var(--text);
}

.binary-target.is-active {
  background: color-mix(in srgb, var(--accent-soft) 90%, var(--surface));
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  color: var(--accent);
}

.binary-direct {
  margin: 14px 0 0;
}

.binary-direct a {
  color: var(--accent);
  font-size: 0.9rem;
}

.binary-direct a:hover {
  color: var(--text);
  text-decoration: none;
}

.tab-panel pre {
  margin: 0;
  padding: 22px;
  background: transparent;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text);
}

.tab-panel pre code {
  background: transparent;
  padding: 0;
}

.tab-panel[data-panel="binary"] pre {
  padding-bottom: 56px;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-family: inherit;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.copy-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}

.copy-btn.is-copied {
  color: var(--accent);
  border-color: var(--accent);
}

.tab-panel[data-panel="binary"] .copy-btn {
  top: auto;
  bottom: 12px;
}

@media (max-width: 560px) {
  .binary-targets {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .binary-target {
    width: 100%;
  }
}

.cta {
  padding: 96px 0 112px;
  text-align: center;
}

.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 1.4rem + 1.8vw, 2.8rem);
  letter-spacing: -0.025em;
  margin: 0 0 12px;
  line-height: 1.1;
}

.cta-inner p {
  color: var(--text-muted);
  margin: 0 0 28px;
}

.cta .hero-cta {
  justify-content: center;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-muted);
  padding: 36px 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

.footer-inner nav {
  display: flex;
  gap: 22px;
  justify-content: center;
}

.footer-inner nav a {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.footer-inner nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.footer-tag {
  margin: 6px 0 0;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.copyright {
  margin: 0;
  text-align: right;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

@media (max-width: 720px) {
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-inner nav {
    justify-content: center;
    flex-wrap: wrap;
  }

  .copyright {
    text-align: center;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}