/* Simple PDF — GitHub Pages landing */

:root {
  --bg: #0c0d10;
  --bg-elevated: #14161c;
  --bg-soft: #1a1d26;
  --text: #f2f3f5;
  --muted: #9aa3b2;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #d82020;
  --accent-hover: #f02a2a;
  --accent-soft: rgba(216, 32, 32, 0.18);
  --radius: 12px;
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-display: "Fraunces", Georgia, serif;
  --max: 1100px;
  --narrow: 720px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(216, 32, 32, 0.12), transparent 55%),
    radial-gradient(900px 500px at 10% 20%, rgba(255, 255, 255, 0.04), transparent 50%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.12em 0.35em;
  border-radius: 4px;
}

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.wrap.narrow {
  width: min(100% - 2.5rem, var(--narrow));
}

/* Header */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.5rem;
  background: rgba(12, 13, 16, 0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.logo-link img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  font-size: 0.92rem;
  color: var(--muted);
}

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

/* Hero — one composition, full-bleed visual */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
  animation: hero-drift 18s ease-in-out infinite alternate;
  z-index: -2;
}

.hero-veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(12, 13, 16, 0.55) 0%, rgba(12, 13, 16, 0.78) 45%, rgba(12, 13, 16, 0.96) 100%),
    linear-gradient(90deg, rgba(12, 13, 16, 0.75) 0%, rgba(12, 13, 16, 0.35) 55%, rgba(12, 13, 16, 0.55) 100%);
}

.hero-inner {
  width: min(100% - 2.5rem, 780px);
  margin: 0 auto;
  padding: 7.5rem 0 4.5rem;
  animation: rise 0.9s ease-out both;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.4rem;
}

.brand-logo {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  object-fit: contain;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}

.brand-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.4vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
  max-width: 18ch;
}

.hero-lead {
  margin: 0 0 1.75rem;
  max-width: 42ch;
  color: var(--muted);
  font-size: 1.08rem;
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
}

/* Sections */

.section {
  padding: 5rem 0;
  border-top: 1px solid var(--line);
}

.section h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
}

.section-lead,
.why p,
.audience p {
  margin: 0;
  color: var(--muted);
}

.why p,
.audience p {
  font-size: 1.12rem;
}

.why em {
  color: var(--text);
  font-style: normal;
  font-weight: 600;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.feature-grid article {
  padding: 1.25rem 1.2rem 1.35rem;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 70%),
    var(--bg-elevated);
  border: 1px solid var(--line);
  transition: border-color 0.2s ease, transform 0.25s ease;
}

.feature-grid article:hover {
  border-color: rgba(216, 32, 32, 0.35);
  transform: translateY(-2px);
}

.feature-grid h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.feature-grid h3::before {
  content: "";
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-right: 0.5rem;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: 0.1em;
  box-shadow: 0 0 0 4px var(--accent-soft);
}

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

.shot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2rem;
}

.shot-grid figure {
  margin: 0;
}

.shot-grid img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-soft);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.shot-grid figcaption {
  margin-top: 0.65rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.code-block {
  margin: 1.25rem 0 1rem;
  padding: 1.15rem 1.25rem;
  overflow-x: auto;
  border-radius: var(--radius);
  background: #08090c;
  border: 1px solid var(--line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.code-block code {
  background: none;
  padding: 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: #e8ecf2;
  white-space: pre;
}

.start-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.5rem;
  background: #08090c;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-brand {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  gap: 1.1rem;
  font-size: 0.92rem;
  color: var(--muted);
}

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

/* Motion */

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes hero-drift {
  from {
    transform: scale(1.02) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.06) translate3d(-1.5%, 1%, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .hero-bg,
  .hero-inner,
  .feature-grid article,
  .btn {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 900px) {
  .feature-grid,
  .shot-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .hero-inner {
    padding-top: 6.5rem;
  }
}

.demo-wrap {
  margin: 0 0 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elevated);
}

.demo-gif {
  width: 100%;
  height: auto;
}

.roadmap-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.roadmap-list li {
  margin: 0.45rem 0;
}

.roadmap-list a,
.section-lead a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}