/* Linkstreams brand stylesheet */

:root {
  --bg: #0d1117;
  --bg-alt: #0b0e13;
  --surface: #161b22;
  --surface-2: #1b222b;
  --border: #30363d;
  --border-soft: #21262d;
  --accent: #2f81f7;
  --accent-2: #58a6ff;
  --green: #3fb950;
  --amber: #d29922;
  --red: #f85149;
  --text: #e6edf3;
  --text-dim: #c9d1d9;
  --muted: #8b949e;
  --radius: 14px;
  --radius-sm: 10px;
  --maxw: 1120px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-dim);
  line-height: 1.6;
  font-size: 17px;
  overflow-x: hidden;
}

a {
  color: var(--accent-2);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

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

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-2);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover {
  border-color: var(--accent);
  background: rgba(47, 129, 247, 0.08);
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 17, 23, 0.82);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border-soft);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
}
.brand img {
  height: 32px;
  width: auto;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}
.nav-links a {
  color: var(--text-dim);
  font-size: 15px;
  font-weight: 500;
}
.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 84px 0 72px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -200px;
  left: 50%;
  width: 900px;
  height: 600px;
  transform: translateX(-50%);
  background: radial-gradient(
    closest-side,
    rgba(47, 129, 247, 0.18),
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--accent-2);
  background: rgba(47, 129, 247, 0.1);
  border: 1px solid rgba(47, 129, 247, 0.25);
  padding: 6px 12px;
  border-radius: 999px;
}
.hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: -1px;
  color: var(--text);
  margin: 22px 0 18px;
  font-weight: 700;
}
.hero h1 .accent {
  color: var(--accent-2);
}
.hero p.lead {
  font-size: 19px;
  color: var(--muted);
  max-width: 540px;
}
.hero-cta {
  display: flex;
  gap: 14px;
  margin-top: 30px;
  flex-wrap: wrap;
}
.hero-note {
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted);
}

/* Value-prop pills (free / private) */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 6px 13px;
  border-radius: 999px;
}
.pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
}
.pill.free {
  color: var(--green);
  background: rgba(63, 185, 80, 0.1);
  border-color: rgba(63, 185, 80, 0.3);
}
.pill.free::before {
  background: var(--green);
}

/* App preview card (faux UI) */
.preview {
  background: linear-gradient(180deg, var(--surface), var(--bg-alt));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 18px;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8);
}
.preview-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px 14px;
  border-bottom: 1px solid var(--border-soft);
}
.preview-bar img {
  height: 24px;
  width: auto;
}
.preview-dots {
  display: flex;
  gap: 6px;
}
.preview-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--border);
}
.row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 8px;
  border-bottom: 1px solid var(--border-soft);
}
.row:last-child {
  border-bottom: none;
}
.row-play {
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 9px;
  background: rgba(63, 185, 80, 0.16);
  display: grid;
  place-items: center;
  color: var(--green);
  font-size: 18px;
}
.row-main {
  flex: 1;
  min-width: 0;
}
.row-title {
  color: var(--text-dim);
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* Obscure decorative preview titles while keeping badges/dots sharp */
.blurred {
  filter: blur(5px);
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
}
.row-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 4px;
  font-size: 12px;
}
.seed {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--green);
  font-weight: 600;
}
.seed::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}
.seed.med {
  color: var(--amber);
}
.badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 5px;
  background: rgba(188, 140, 255, 0.16);
  color: #bc8cff;
}
.badge.blue {
  background: rgba(47, 129, 247, 0.16);
  color: var(--accent-2);
}

/* ---------- Sections ---------- */
section {
  padding: 76px 0;
}
.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.section-head {
  max-width: 680px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  color: var(--text);
  letter-spacing: -0.5px;
  font-weight: 700;
}
.section-head p {
  color: var(--muted);
  margin-top: 12px;
  font-size: 18px;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  position: relative;
}
.step-num {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: rgba(47, 129, 247, 0.14);
  color: var(--accent-2);
  font-weight: 700;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
}
.step h3 {
  color: var(--text);
  font-size: 18px;
  margin-bottom: 8px;
}
.step p {
  color: var(--muted);
  font-size: 15px;
}
.step code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.86em;
  color: var(--accent-2);
  background: rgba(47, 129, 247, 0.1);
  padding: 1px 5px;
  border-radius: 5px;
}

/* Repo guide example snippet */
.guide-example {
  max-width: 820px;
  margin: 30px auto 0;
}
.guide-example p {
  color: var(--muted);
  font-size: 13.5px;
  margin-bottom: 10px;
}
.guide-example code {
  display: block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  overflow-x: auto;
  white-space: pre;
  line-height: 1.55;
}
.guide-example .hl-dn {
  color: var(--accent-2);
}
.guide-example .hl-tr {
  color: var(--green);
}

/* Repo guide CTA */
.guide-cta {
  text-align: center;
  margin-top: 32px;
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.feature:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.feature .ico {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(47, 129, 247, 0.12);
  color: var(--accent-2);
  display: grid;
  place-items: center;
  margin-bottom: 14px;
}
.feature .ico svg {
  width: 22px;
  height: 22px;
}
.feature h3 {
  color: var(--text);
  font-size: 17px;
  margin-bottom: 6px;
}
.feature p {
  color: var(--muted);
  font-size: 14.5px;
}

/* Positioning band */
.band {
  background: linear-gradient(
    120deg,
    rgba(47, 129, 247, 0.08),
    rgba(47, 129, 247, 0.02)
  );
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 40px;
  display: flex;
  gap: 28px;
  align-items: center;
}
.band .band-mark {
  width: 84px;
  flex: none;
  opacity: 0.9;
}
.band h2 {
  color: var(--text);
  font-size: 24px;
  margin-bottom: 8px;
}
.band p {
  color: var(--muted);
  font-size: 16px;
}

/* FAQ */
.faq {
  max-width: 780px;
  margin: 0 auto;
}
details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}
details[open] {
  border-color: var(--accent);
}
summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
summary::-webkit-details-marker {
  display: none;
}
summary::after {
  content: "+";
  color: var(--accent-2);
  font-size: 22px;
  font-weight: 400;
  line-height: 1;
}
details[open] summary::after {
  content: "\2212";
}
details .answer {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: 15.5px;
}

/* Download */
.download-box {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 52px 32px;
  max-width: 720px;
  margin: 0 auto;
}
.download-box img {
  width: 88px;
  margin: 0 auto 20px;
  border-radius: 20px;
}
.download-box h2 {
  color: var(--text);
  font-size: 28px;
  margin-bottom: 10px;
}
.download-box p {
  color: var(--muted);
  margin-bottom: 26px;
}
.download-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 44px 0;
  background: var(--bg-alt);
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
}
.footer-grid img {
  height: 28px;
  width: auto;
  margin-bottom: 12px;
}
.footer-disclaimer {
  max-width: 520px;
  font-size: 13.5px;
  color: var(--muted);
}
.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.footer-links a {
  color: var(--text-dim);
  font-size: 14px;
}
.footer-bottom {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border-soft);
  font-size: 13px;
  color: var(--muted);
}

/* ---------- Legal page ---------- */
.legal {
  padding: 56px 0 80px;
}
.legal-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.legal h1 {
  color: var(--text);
  font-size: 38px;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}
.legal .updated {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 28px;
}
.notice {
  background: rgba(210, 153, 34, 0.08);
  border: 1px solid rgba(210, 153, 34, 0.3);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  color: var(--text-dim);
  font-size: 14.5px;
  margin-bottom: 36px;
}
.legal h2 {
  color: var(--text);
  font-size: 22px;
  margin: 34px 0 12px;
  padding-top: 8px;
}
.legal p,
.legal li {
  color: var(--text-dim);
  font-size: 16px;
  margin-bottom: 12px;
}
.legal ul {
  padding-left: 22px;
}
.legal li {
  margin-bottom: 8px;
}
.legal .back {
  display: inline-block;
  margin-bottom: 28px;
  font-size: 14px;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .preview {
    order: -1;
    max-width: 460px;
  }
  .steps,
  .features {
    grid-template-columns: 1fr 1fr;
  }
  .nav-links {
    display: none;
  }
}
@media (max-width: 600px) {
  body {
    font-size: 16px;
  }
  section {
    padding: 56px 0;
  }
  .steps,
  .features {
    grid-template-columns: 1fr;
  }
  .band {
    flex-direction: column;
    text-align: center;
    padding: 30px 22px;
  }
  .band .band-mark {
    width: 64px;
  }
  .hero {
    padding: 56px 0 48px;
  }
}