/* ============================================================================
   RepoLens — landing page styles
   Aesthetic: Indian manuscript / miniature-painting palette (parchment + ink +
   jewel tones), Indian-foundry typefaces (Rozha One display, Mukta text), with
   restrained jaali/rangoli motifs. Deliberately not a generic SaaS template.
   ========================================================================== */

:root {
  /* Core palette */
  --ink: #221833;          /* deep aubergine-indigo: dark surfaces */
  --ink-2: #2c2042;
  --ink-soft: #3a2c54;
  --parchment: #fbf3e1;    /* warm cream: light surfaces */
  --parchment-2: #f4e7cb;
  --paper: #fff9ee;

  /* Jewel + earth accents */
  --marigold: #f2a83c;     /* saffron / marigold */
  --terracotta: #d2552e;   /* sindoor / terracotta */
  --peacock: #0e7c7b;      /* peacock teal */
  --rani: #c0286a;         /* rani pink */
  --indigo: #4733a0;       /* indigo */
  --gold: #c9962f;

  /* Text */
  --text: #2a1f33;         /* on parchment */
  --muted: #6c5b54;        /* secondary on parchment */
  --on-ink: #f3e9d6;       /* on ink */
  --on-ink-muted: #b9a9c9;

  --line: #e3d3ad;         /* hairlines on parchment */
  --line-ink: #443458;     /* hairlines on ink */

  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1160px;
  --shadow: 0 18px 50px -28px rgba(34, 24, 51, 0.55);
  --shadow-soft: 0 10px 30px -22px rgba(34, 24, 51, 0.5);

  --font-display: "Rozha One", Georgia, serif;
  --font-text: "Mukta", system-ui, -apple-system, sans-serif;
  --font-mono: "Spline Sans Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  font-family: var(--font-text);
  color: var(--text);
  background: var(--parchment);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  /* faint woven-paper texture so the cream never reads as flat/AI-flat */
  background-image:
    radial-gradient(circle at 1px 1px, rgba(120, 90, 40, 0.05) 1px, transparent 0);
  background-size: 22px 22px;
}

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 400; line-height: 1.12; letter-spacing: 0.2px; }
p { margin: 0 0 1rem; }
a { color: var(--terracotta); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--font-mono); font-size: 0.86em; }
img { max-width: 100%; }

.wrap { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }
.narrow { max-width: 760px; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--ink); color: var(--on-ink);
  padding: 0.6rem 1rem; border-radius: 0 0 8px 0; z-index: 100;
}
.skip-link:focus { left: 0; }

/* ───────────────────────── Buttons ───────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-text); font-weight: 600; font-size: 0.95rem;
  padding: 0.6rem 1.15rem; border-radius: 999px; border: 1.5px solid transparent;
  cursor: pointer; transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-lg { padding: 0.85rem 1.6rem; font-size: 1.02rem; }
.btn-solid { background: var(--ink); color: var(--on-ink); box-shadow: var(--shadow-soft); }
.btn-solid:hover { background: var(--ink-2); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: rgba(34, 24, 51, 0.06); }
.btn-ghost.on-ink { border-color: var(--on-ink); color: var(--on-ink); }
.btn-ghost.on-ink:hover { background: rgba(243, 233, 214, 0.12); }

/* ───────────────────────── Header ───────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--parchment) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 1.5rem; height: 68px; }
.brand { display: flex; align-items: center; gap: 0.6rem; color: var(--ink); }
.brand:hover { text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px;
  background: var(--ink); border-radius: 11px; }
.brand-text { font-family: var(--font-display); font-size: 1.4rem; line-height: 1; display: flex; align-items: baseline; gap: 0.45rem; }
.brand-sub { font-family: var(--font-text); font-style: normal; font-size: 0.82rem; color: var(--rani); font-weight: 600; }

.nav { display: flex; gap: 1.4rem; margin-left: auto; }
.nav a { color: var(--text); font-weight: 500; font-size: 0.96rem; position: relative; }
.nav a:hover { color: var(--terracotta); text-decoration: none; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0;
  background: var(--marigold); transition: width 0.2s ease; }
.nav a:hover::after, .nav a.active::after { width: 100%; }

.header-cta { display: flex; gap: 0.6rem; }
.header-cta .btn { padding: 0.5rem 1rem; font-size: 0.9rem; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0;
  cursor: pointer; padding: 6px; }
.nav-toggle span { width: 24px; height: 2.5px; background: var(--ink); border-radius: 2px; transition: 0.25s; }

/* ───────────────────────── Hero ───────────────────────── */
.hero { position: relative; overflow: hidden; padding: clamp(3rem, 7vw, 6rem) 0 3.5rem; }
.rangoli { position: absolute; top: -60px; right: -90px; width: 520px; max-width: 70vw;
  color: var(--marigold); opacity: 0.16; pointer-events: none; }
.rangoli svg { width: 100%; height: auto; animation: spin 90s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 3rem; align-items: center; position: relative; }
.eyebrow { font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--peacock); margin-bottom: 0.9rem; }
.hero h1 { font-size: clamp(2.4rem, 5.2vw, 3.9rem); margin: 0 0 1.2rem; color: var(--ink); }
.hero h1 .ul { position: relative; white-space: nowrap; }
.hero h1 .ul::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0.08em; height: 0.32em;
  background: linear-gradient(transparent 60%, color-mix(in srgb, var(--marigold) 75%, transparent) 0); z-index: -1; }
.lede { font-size: 1.12rem; color: var(--muted); max-width: 38ch; }
.lede strong { color: var(--text); font-weight: 700; }
.lede code { background: var(--parchment-2); padding: 0.05em 0.35em; border-radius: 5px; color: var(--terracotta); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin: 1.8rem 0 1.4rem; }

.install { display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  background: var(--ink); color: var(--on-ink); border-radius: var(--radius-sm);
  padding: 0.7rem 0.7rem 0.7rem 1.1rem; font-family: var(--font-mono); font-size: 0.92rem;
  max-width: 420px; box-shadow: var(--shadow-soft); }
.install .prompt { color: var(--marigold); margin-right: 0.5rem; }
.install code { color: var(--on-ink); }
.install .copy { background: rgba(243, 233, 214, 0.1); color: var(--on-ink); border: 0;
  font-family: var(--font-text); font-weight: 600; font-size: 0.8rem; padding: 0.4rem 0.8rem;
  border-radius: 7px; cursor: pointer; transition: background 0.2s; }
.install .copy:hover { background: rgba(243, 233, 214, 0.2); }
.install .copy.done { background: var(--peacock); color: #fff; }

.badges { display: flex; flex-wrap: wrap; gap: 0.5rem; list-style: none; padding: 0; margin: 1.4rem 0 0; }
.badges img { height: 22px; }

/* Hero demo terminal */
.hero-demo { position: relative; }
.term { background: var(--ink); border-radius: var(--radius); box-shadow: var(--shadow);
  border: 1px solid var(--line-ink); overflow: hidden; transform: rotate(0.6deg); }
.term-bar { display: flex; align-items: center; gap: 0.45rem; padding: 0.7rem 1rem; border-bottom: 1px solid var(--line-ink); }
.term-bar span { width: 11px; height: 11px; border-radius: 50%; background: #5a4a6e; }
.term-bar span:nth-child(1) { background: var(--terracotta); }
.term-bar span:nth-child(2) { background: var(--marigold); }
.term-bar span:nth-child(3) { background: var(--peacock); }
.term-bar i { margin-left: auto; font-style: normal; font-family: var(--font-mono); font-size: 0.74rem; color: var(--on-ink-muted); }
.term-body { padding: 1.3rem; }
.term-body .q { font-family: var(--font-mono); font-size: 0.85rem; color: var(--marigold); margin-bottom: 1rem; }
.term-body .q::before { content: "❯ "; color: var(--on-ink-muted); }
.term-body .a { color: var(--on-ink); font-size: 0.98rem; line-height: 1.6; }
.term-body .a code { color: var(--marigold); }
.term-body .a b { color: #fff; }
.cite { display: inline-block; font-family: var(--font-mono); font-size: 0.72rem; color: var(--peacock);
  border: 1px solid color-mix(in srgb, var(--peacock) 50%, transparent); border-radius: 5px;
  padding: 0 0.35em; margin: 0 0.1em; vertical-align: middle; }
.ground { display: flex; align-items: center; gap: 0.6rem; margin: 1.1rem 0 0.7rem; font-size: 0.85rem; color: var(--on-ink-muted); }
.ground b { color: var(--on-ink); }
.ring { width: 30px; height: 30px; border-radius: 50%; flex: none;
  background: conic-gradient(var(--peacock) calc(var(--p) * 360deg), var(--line-ink) 0); position: relative; }
.ring::after { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: var(--ink); }
.cites { display: flex; flex-direction: column; gap: 0.25rem; font-family: var(--font-mono);
  font-size: 0.74rem; color: var(--on-ink-muted); margin: 0; }

.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 3.4rem;
  padding-top: 2rem; border-top: 1px solid var(--line); }
.stat-strip div { display: flex; flex-direction: column; }
.stat-strip b { font-family: var(--font-display); font-size: 2rem; color: var(--rani); line-height: 1; }
.stat-strip span { font-size: 0.86rem; color: var(--muted); margin-top: 0.35rem; }

/* ───────────────────────── Bands / sections ───────────────────────── */
.band { padding: clamp(3.5rem, 7vw, 6rem) 0; position: relative; }
.band-ink { background: var(--ink); color: var(--on-ink); }
.band-ink .section-title, .band-ink h3 { color: var(--on-ink); }
.band-paper { background: var(--paper); }

/* jaali (lattice) divider on top of ink bands */
.band-ink::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 10px;
  background-image: repeating-linear-gradient(90deg,
    var(--marigold) 0 14px, transparent 14px 28px);
  opacity: 0.5;
}

.kicker { font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--terracotta); display: flex; align-items: center; gap: 0.7rem; margin: 0 0 0.7rem; }
.band-ink .kicker { color: var(--marigold); }
.num { font-family: var(--font-display); font-size: 1.5rem; color: var(--rani); letter-spacing: 0; }
.band-ink .num { color: var(--marigold); }
.section-title { font-size: clamp(1.7rem, 3.6vw, 2.6rem); color: var(--ink); margin: 0 0 2.4rem; max-width: 22ch; }

/* Problem grid */
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.problem-grid article { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; box-shadow: var(--shadow-soft); }
.problem-grid h3 { font-size: 1.3rem; color: var(--terracotta); margin: 0 0 0.6rem; }
.problem-grid p { color: var(--muted); margin: 0; }

/* Pillars */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.pillar { border: 1px solid var(--line-ink); border-radius: var(--radius); padding: 1.8rem 1.6rem;
  background: linear-gradient(180deg, var(--ink-2), var(--ink)); }
.pillar-ico { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 13px;
  font-size: 1.5rem; margin-bottom: 1.1rem; color: var(--ink); }
.pillar-ico[data-c="marigold"] { background: var(--marigold); }
.pillar-ico[data-c="peacock"] { background: var(--peacock); color: #fff; }
.pillar-ico[data-c="rani"] { background: var(--rani); color: #fff; }
.pillar h3 { font-size: 1.4rem; margin: 0 0 0.7rem; }
.pillar p { color: var(--on-ink-muted); margin: 0; font-size: 0.98rem; }
.pillar code { color: var(--marigold); }
.pillar b { color: var(--on-ink); }

/* Features */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.feature { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem; transition: transform 0.18s ease, box-shadow 0.2s ease, border-color 0.2s; }
.feature:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--marigold); }
.feature h3 { font-size: 1.18rem; color: var(--ink); margin: 0 0 0.45rem; }
.feature p { color: var(--muted); margin: 0; font-size: 0.95rem; }
.feature code { color: var(--terracotta); background: var(--parchment-2); padding: 0.03em 0.3em; border-radius: 4px; }

/* Flow */
.flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; counter-reset: f; }
.flow li { position: relative; padding: 1.6rem 1.3rem; background: var(--parchment); border: 1px solid var(--line);
  border-radius: var(--radius); }
.flow-n { font-family: var(--font-mono); font-size: 0.8rem; color: var(--peacock); font-weight: 600; }
.flow h3 { font-size: 1.3rem; color: var(--terracotta); margin: 0.3rem 0 0.6rem; }
.flow p { color: var(--muted); margin: 0; font-size: 0.93rem; }
.flow code { color: var(--ink); background: var(--parchment-2); padding: 0.03em 0.3em; border-radius: 4px; }

/* Quickstart */
.start-grid { display: grid; grid-template-columns: 1.4fr 0.8fr; gap: 2rem; align-items: start; }
.steps { list-style: none; counter-reset: s; padding: 0; margin: 0; display: grid; gap: 1.4rem; }
.steps li { counter-increment: s; padding-left: 3rem; position: relative; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 2rem; height: 2rem;
  display: grid; place-items: center; background: var(--marigold); color: var(--ink);
  font-family: var(--font-display); border-radius: 50%; }
.steps h3 { color: var(--on-ink); font-size: 1.25rem; margin: 0 0 0.6rem; }
.install.dark { max-width: 100%; }
.hint { font-size: 0.88rem; color: var(--on-ink-muted); margin: 0.6rem 0 0; }
.hint code { color: var(--marigold); }
.backends { background: linear-gradient(180deg, var(--ink-2), var(--ink)); border: 1px solid var(--line-ink);
  border-radius: var(--radius); padding: 1.5rem; }
.backends h3 { color: var(--on-ink); font-size: 1.25rem; margin: 0 0 1rem; }
.backends ul { list-style: none; padding: 0; margin: 0 0 0.8rem; display: grid; gap: 0.7rem; }
.backends li { display: flex; flex-direction: column; padding-bottom: 0.7rem; border-bottom: 1px solid var(--line-ink); }
.backends li:last-child { border-bottom: 0; }
.backends b { color: var(--marigold); font-family: var(--font-mono); font-size: 0.92rem; }
.backends span { color: var(--on-ink-muted); font-size: 0.88rem; }
.backends code { color: var(--marigold); }

/* Chips */
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.6rem; }
.chips li { background: var(--paper); border: 1px solid var(--line); border-radius: 999px;
  padding: 0.45rem 1rem; font-size: 0.9rem; font-family: var(--font-mono); color: var(--ink); }
.chips li:nth-child(3n) { border-color: var(--peacock); color: var(--peacock); }
.chips li:nth-child(3n+1) { border-color: var(--rani); color: var(--rani); }

/* Use cases */
.use-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.use-grid article { background: var(--parchment); border: 1px solid var(--line); border-left: 5px solid var(--marigold);
  border-radius: var(--radius); padding: 1.6rem; }
.use-grid article:nth-child(2) { border-left-color: var(--peacock); }
.use-grid article:nth-child(3) { border-left-color: var(--rani); }
.use-grid article:nth-child(4) { border-left-color: var(--indigo); }
.use-grid h3 { font-size: 1.3rem; color: var(--ink); margin: 0 0 0.5rem; }
.use-grid p { color: var(--muted); margin: 0; }

/* FAQ */
.faq { display: grid; gap: 0.8rem; }
.faq details { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 0.4rem 1.2rem; }
.faq summary { cursor: pointer; font-family: var(--font-display); font-size: 1.2rem; color: var(--ink);
  padding: 0.8rem 0; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--terracotta); font-size: 1.5rem; transition: transform 0.2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { color: var(--muted); margin: 0 0 1rem; }
.faq code { color: var(--terracotta); }

/* CTA */
.cta { background: var(--ink); color: var(--on-ink); padding: clamp(3.5rem, 7vw, 5.5rem) 0;
  position: relative; overflow: hidden; }
.cta::before, .cta::after { content: ""; position: absolute; width: 240px; height: 240px; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--rani) 40%, transparent), transparent 70%); }
.cta::before { top: -80px; left: -60px; }
.cta::after { bottom: -110px; right: -40px; background: radial-gradient(circle, color-mix(in srgb, var(--peacock) 40%, transparent), transparent 70%); }
.cta-inner { text-align: center; position: relative; }
.cta h2 { font-size: clamp(1.9rem, 4.5vw, 3rem); color: var(--on-ink); margin: 0 0 0.7rem; }
.cta p { color: var(--on-ink-muted); font-size: 1.1rem; margin: 0 auto 2rem; max-width: 46ch; }
.cta .hero-actions { justify-content: center; }

/* Footer */
.site-footer { background: #1b1228; color: var(--on-ink-muted); padding: 3rem 0 2rem; border-top: 6px solid var(--marigold); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.foot-brand .brand-text { color: var(--on-ink); }
.foot-brand p { margin: 0.8rem 0 0; max-width: 34ch; font-size: 0.95rem; }
.site-footer h4 { color: var(--on-ink); font-family: var(--font-text); font-weight: 700; font-size: 0.82rem;
  text-transform: uppercase; letter-spacing: 0.1em; margin: 0 0 0.9rem; }
.site-footer nav { display: flex; flex-direction: column; gap: 0.5rem; }
.site-footer nav a { color: var(--on-ink-muted); font-size: 0.95rem; }
.site-footer nav a:hover { color: var(--marigold); text-decoration: none; }
.foot-base { display: flex; justify-content: space-between; padding-top: 1.5rem; border-top: 1px solid var(--line-ink);
  font-size: 0.85rem; flex-wrap: wrap; gap: 0.5rem; }

/* ───────────────────────── Reveal animation ───────────────────────── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .rangoli svg { animation: none; }
  html { scroll-behavior: auto; }
}

/* ───────────────────────── Responsive ───────────────────────── */
@media (max-width: 940px) {
  .hero-grid, .start-grid { grid-template-columns: 1fr; }
  .hero-demo { order: -1; max-width: 460px; }
  .problem-grid, .pillars, .feature-grid, .flow, .use-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav, .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .site-header.open .nav { display: flex; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; background: var(--parchment); padding: 1rem 1.25rem; gap: 0.8rem;
    border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .site-header.open .header-cta { display: flex; position: absolute; top: 100%; left: 0; right: 0;
    margin-top: 165px; padding: 0 1.25rem 1rem; }
  .stat-strip { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .problem-grid, .pillars, .feature-grid, .flow, .use-grid, .footer-grid { grid-template-columns: 1fr; }
  .foot-base { flex-direction: column; }
  body { font-size: 16px; }
}