/* ============================================================
   Lumpini — Calm browser · lumpini.com
   Aesthetic: "park at dawn" — deep forest canvas, paper-cream
   sections, botanical light. Fraunces display + DM Sans body.
   ============================================================ */

:root {
  /* palette */
  --forest-950: #0d211a;
  --forest-900: #122b22;
  --forest-800: #1a3a2e;
  --forest-700: #21503f;
  --brand: #2a8f6a;
  --brand-bright: #3ecfad;
  --brand-soft: #8fd0b8;
  --paper: #f7f4ec;
  --paper-warm: #f1ecdf;
  --card: #fdfbf6;
  --ink: #1e2b25;
  --ink-soft: #47584f;
  --ink-faint: #6d7d73;
  --hairline: #d9d3c2;
  --gold: #c9a24b;

  --font-display: "Fraunces", "Newsreader", Georgia, serif;
  --font-body: "DM Sans", -apple-system, "Helvetica Neue", sans-serif;

  --radius: 18px;
  --radius-sm: 10px;
  --container: 1120px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--forest-700); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

::selection { background: var(--brand-bright); color: var(--forest-950); }

/* ---------- grain overlay ---------- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
}

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--forest-950) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(143, 208, 184, 0.14);
}
.site-header .inner {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
}
.brand img { width: 42px; height: 42px; border-radius: 11px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 21px;
  color: var(--paper);
  letter-spacing: 0.01em;
}
.brand-slogan {
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-soft);
}
.site-nav { display: flex; gap: 26px; }
.site-nav a {
  color: rgba(247, 244, 236, 0.82);
  font-size: 15px;
  font-weight: 500;
  position: relative;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -5px;
  height: 2px;
  background: var(--brand-bright);
  transition: right 0.28s var(--ease-out);
}
.site-nav a:hover { color: var(--paper); }
.site-nav a:hover::after { right: 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15.5px;
  letter-spacing: 0.01em;
  transition: transform 0.22s var(--ease-out), box-shadow 0.22s var(--ease-out), background 0.22s;
  white-space: nowrap;
}
.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 6px 22px -8px rgba(42, 143, 106, 0.65);
}
.btn-primary:hover {
  background: var(--brand-bright);
  color: var(--forest-950);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -8px rgba(62, 207, 173, 0.55);
}
.btn-secondary {
  border: 1.5px solid var(--hairline);
  color: var(--ink);
  background: transparent;
}
.btn-secondary:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.hero .btn-secondary,
.cta-band .btn-secondary {
  border-color: rgba(143, 208, 184, 0.4);
  color: var(--brand-soft);
}
.hero .btn-secondary:hover,
.cta-band .btn-secondary:hover { border-color: var(--brand-bright); color: var(--brand-bright); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 520px at 82% -10%, rgba(62, 207, 173, 0.16), transparent 62%),
    radial-gradient(700px 500px at -8% 108%, rgba(42, 143, 106, 0.22), transparent 60%),
    linear-gradient(168deg, var(--forest-950) 0%, var(--forest-900) 55%, var(--forest-800) 100%);
  color: var(--paper);
  padding: 96px 0 110px;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -55% -10%;
  height: 70%;
  background: radial-gradient(closest-side, rgba(62, 207, 173, 0.09), transparent 70%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: 56px;
  align-items: center;
  position: relative;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--brand-bright);
  border: 1px solid rgba(62, 207, 173, 0.35);
  border-radius: 999px;
  padding: 6px 15px;
  margin-bottom: 26px;
  background: rgba(62, 207, 173, 0.07);
}
.hero-badge .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--brand-bright);
  box-shadow: 0 0 10px var(--brand-bright);
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 460;
  font-size: clamp(38px, 5.2vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 22px;
}
.hero h1 em {
  font-style: italic;
  font-weight: 420;
  color: var(--brand-bright);
}
.hero .lead {
  font-size: 19px;
  line-height: 1.6;
  color: rgba(247, 244, 236, 0.78);
  max-width: 34em;
  margin: 0 0 34px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 30px; }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 13.5px;
  color: var(--brand-soft);
}
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta span::before { content: "✓"; color: var(--brand-bright); font-weight: 700; }

.hero-visual { display: flex; justify-content: center; }
.icon-showcase {
  position: relative;
  animation: float 7s ease-in-out infinite;
}
.icon-showcase img {
  width: clamp(200px, 24vw, 300px);
  height: auto;
  border-radius: 26%;
  box-shadow:
    0 40px 80px -24px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(143, 208, 184, 0.18),
    0 0 120px -20px rgba(62, 207, 173, 0.35);
}
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-1.2deg); }
  50% { transform: translateY(-14px) rotate(1.2deg); }
}

/* load-in reveals */
.reveal { opacity: 0; transform: translateY(18px); animation: rise 0.9s var(--ease-out) forwards; }
.reveal.d1 { animation-delay: 0.08s; }
.reveal.d2 { animation-delay: 0.18s; }
.reveal.d3 { animation-delay: 0.3s; }
.reveal.d4 { animation-delay: 0.42s; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; opacity: 1; transform: none; }
  .icon-showcase { animation: none; }
}

/* ---------- sections ---------- */
section { padding: 84px 0; }
.section-label {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 14px;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 470;
  font-size: clamp(30px, 3.6vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
}
.section-intro {
  max-width: 46em;
  color: var(--ink-soft);
  font-size: 17.5px;
  margin: 0 0 44px;
}

/* pillars */
.pillars { background: var(--paper-warm); border-block: 1px solid var(--hairline); }
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.pillar-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform 0.28s var(--ease-out), box-shadow 0.28s var(--ease-out);
}
.pillar-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px -22px rgba(30, 43, 37, 0.28);
}
.pillar-card h3 {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: 21px;
  margin: 0 0 10px;
  color: var(--forest-800);
}
.pillar-card p { margin: 0; font-size: 15.5px; color: var(--ink-soft); }

/* features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 28px 26px 26px;
  overflow: hidden;
  transition: transform 0.28s var(--ease-out), box-shadow 0.28s var(--ease-out), border-color 0.28s;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0; left: 26px; right: 26px;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(90deg, var(--brand), var(--brand-bright));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}
.feature-card:hover {
  transform: translateY(-5px);
  border-color: color-mix(in srgb, var(--brand) 45%, var(--hairline));
  box-shadow: 0 22px 44px -24px rgba(30, 43, 37, 0.3);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card .feature-kicker {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 8px;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: 20px;
  margin: 0 0 10px;
  color: var(--forest-800);
}
.feature-card p { margin: 0; font-size: 15.5px; color: var(--ink-soft); }

/* changelog band */
.changelog-band { background: var(--forest-950); color: var(--paper); }
.changelog-band .section-title { color: var(--paper); }
.changelog-band .section-intro { color: rgba(247, 244, 236, 0.7); }
.changelog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 28px;
}
.changelog-item {
  display: flex;
  gap: 14px;
  padding: 15px 18px;
  border-radius: var(--radius-sm);
  background: rgba(62, 207, 173, 0.05);
  border: 1px solid rgba(143, 208, 184, 0.14);
  font-size: 15px;
  line-height: 1.5;
}
.changelog-item .v {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--brand-bright);
  flex: 0 0 auto;
  min-width: 3.4em;
}
.changelog-item span:last-child { color: rgba(247, 244, 236, 0.85); }

/* compare */
.compare-band { background: var(--paper-warm); border-block: 1px solid var(--hairline); }
.compare-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--card);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  min-width: 640px;
}
.compare-table th, .compare-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--hairline);
}
.compare-table thead th {
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  background: var(--paper-warm);
}
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table td.highlight { color: var(--brand); font-weight: 700; letter-spacing: 0.06em; }
.compare-note { font-size: 13.5px; color: var(--ink-faint); margin-top: 14px; }

/* cta band */
.cta-band {
  background:
    radial-gradient(700px 400px at 50% 130%, rgba(62, 207, 173, 0.22), transparent 65%),
    linear-gradient(160deg, var(--forest-900), var(--forest-950));
  color: var(--paper);
  text-align: center;
  padding: 100px 0;
}
.cta-band h2 {
  font-family: var(--font-display);
  font-weight: 460;
  font-size: clamp(30px, 4vw, 44px);
  margin: 0 0 16px;
}
.cta-band p {
  max-width: 40em;
  margin: 0 auto 32px;
  color: rgba(247, 244, 236, 0.75);
  font-size: 17.5px;
}
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-fineprint { font-size: 13.5px; color: var(--brand-soft); margin-top: 22px; }

/* notify form */
button.btn { cursor: pointer; font-family: var(--font-body); }
button.btn-primary { border: none; }
.notify-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 0 auto;
  max-width: 480px;
}
.notify-form input[type="email"] {
  flex: 1 1 240px;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1.5px solid rgba(143, 208, 184, 0.4);
  background: rgba(247, 244, 236, 0.08);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 15.5px;
  outline: none;
  transition: border-color 0.22s;
}
.notify-form input[type="email"]::placeholder { color: rgba(247, 244, 236, 0.45); }
.notify-form input[type="email"]:focus { border-color: var(--brand-bright); }
.notify-status {
  margin: 18px auto 0;
  font-size: 15px;
  color: var(--brand-bright);
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- inner pages ---------- */
.page-hero {
  background: linear-gradient(168deg, var(--forest-950), var(--forest-800));
  color: var(--paper);
  padding: 72px 0 60px;
}
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 460;
  font-size: clamp(34px, 4.4vw, 52px);
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.page-hero .meta { color: var(--brand-soft); font-size: 15px; margin: 0; }

.prose {
  max-width: 780px;
  padding-top: 56px;
  padding-bottom: 80px;
}
.prose h2 {
  font-family: var(--font-display);
  font-weight: 520;
  font-size: 28px;
  margin: 52px 0 14px;
  color: var(--forest-800);
}
.prose h3 {
  font-family: var(--font-display);
  font-weight: 560;
  font-size: 21px;
  margin: 36px 0 10px;
  color: var(--forest-800);
}
.prose p, .prose li { color: var(--ink-soft); }
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--ink); }
.prose blockquote {
  margin: 34px 0;
  padding: 22px 28px;
  border-left: 4px solid var(--brand);
  background: var(--paper-warm);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  color: var(--forest-800);
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  margin: 22px 0;
}
.prose table th, .prose table td {
  padding: 10px 14px;
  border: 1px solid var(--hairline);
  text-align: left;
}
.prose table th { background: var(--paper-warm); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-faint); }
.prose code {
  background: var(--paper-warm);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 2px 7px;
  font-size: 0.86em;
}
.table-scroll { overflow-x: auto; }

/* roadmap */
.roadmap-timeline { position: relative; margin: 40px 0; }
.roadmap-phase {
  position: relative;
  padding: 26px 28px;
  margin-bottom: 22px;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
}
.roadmap-phase-shipped { border-color: color-mix(in srgb, var(--brand) 50%, var(--hairline)); }
.roadmap-phase h2 { margin: 8px 0 4px; font-size: 24px; }
.roadmap-wedge { font-style: italic; color: var(--ink-faint); margin: 0 0 12px; }
.roadmap-badge {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
}
.badge-shipped { background: var(--brand); color: #fff; }
.badge-next { background: var(--gold); color: #fff; }
.badge-planned { background: var(--paper-warm); color: var(--ink-faint); border: 1px solid var(--hairline); }
.badge-optional { background: var(--forest-800); color: var(--brand-soft); }
.roadmap-exit, .roadmap-remaining { font-size: 14.5px; }
.ext-highlight { background: color-mix(in srgb, var(--brand) 7%, var(--card)); }
.extension-roadmap-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.extension-roadmap-table th, .extension-roadmap-table td {
  padding: 12px 14px;
  border: 1px solid var(--hairline);
  text-align: left;
}
.extension-roadmap-table th { background: var(--paper-warm); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-faint); }
.extension-roadmap-wrap { overflow-x: auto; }

/* ---------- footer ---------- */
.site-footer {
  background: var(--forest-950);
  color: rgba(247, 244, 236, 0.7);
  padding: 44px 0;
  font-size: 14.5px;
}
.footer-grid {
  display: flex;
  align-items: center;
  gap: 20px 36px;
  flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--paper); font-weight: 600; }
.footer-brand img { border-radius: 8px; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; margin-left: auto; }
.footer-links a { color: rgba(247, 244, 236, 0.7); }
.footer-links a:hover { color: var(--brand-bright); }
.footer-copy { flex-basis: 100%; margin: 10px 0 0; color: rgba(247, 244, 236, 0.45); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .icon-showcase img { width: 170px; }
  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .changelog-grid { grid-template-columns: 1fr; }
  .site-nav { display: none; }
}
@media (max-width: 560px) {
  section { padding: 60px 0; }
  .hero { padding: 60px 0 70px; }
  .pillar-grid, .features-grid { grid-template-columns: 1fr; }
  .footer-links { margin-left: 0; }
}