/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5
 * macrostructure: Workbench · tone: technical-confident-premium · anchor hue: indigo
 */
@import "tokens.css";

*, *::before, *::after { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-paper);
  color: var(--color-ink);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background-image:
    radial-gradient(60rem 40rem at 78% -8%, oklch(56% 0.19 264 / 0.14), transparent 60%),
    radial-gradient(46rem 34rem at -6% 6%, oklch(72% 0.17 30 / 0.08), transparent 55%);
  background-attachment: fixed;
  background-repeat: no-repeat;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
svg { display: block; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
  min-width: 0;
  margin: 0;
}

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--space-24); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  overflow-wrap: anywhere;
}
.section { padding-block: var(--space-64); border-top: var(--rule) solid var(--color-line); position: relative; }
.hero__grid > *, .dive > *, .trust > *, .reqgrid > *, .maker > *,
.stack__grid > *, .bento > *, .workshop > *, .foot__row > *, .mdgrid > *, .support__grid > * { min-width: 0; }
.section__head { max-width: 50ch; margin-bottom: var(--space-32); }
.section__head h2 { font-size: var(--text-3xl); margin-top: var(--space-12); }
.section__head p { color: var(--color-muted); font-size: var(--text-lg); margin-top: var(--space-12); }

/* ---------- icons ---------- */
.icon { width: 24px; height: 24px; stroke: currentColor; stroke-width: 1.7; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.badge {
  width: 46px; height: 46px; border-radius: 13px; flex: none;
  display: grid; place-items: center;
  color: var(--color-accent);
  background: oklch(56% 0.19 264 / 0.12);
  border: var(--rule) solid oklch(56% 0.19 264 / 0.25);
}
.badge--coral { color: var(--color-coral); background: oklch(72% 0.17 30 / 0.12); border-color: oklch(72% 0.17 30 / 0.28); }
.badge--green { color: var(--color-green); background: oklch(72% 0.16 150 / 0.12); border-color: oklch(72% 0.16 150 / 0.28); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-8);
  font-weight: 600; font-size: var(--text-base);
  padding: 0.9rem 1.4rem; border-radius: var(--radius);
  border: var(--rule) solid transparent; cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out),
              background var(--dur) var(--ease-out),
              border-color var(--dur) var(--ease-out),
              box-shadow var(--dur) var(--ease-out);
  will-change: transform;
}
.btn .icon { width: 19px; height: 19px; }
.btn--primary { background: var(--color-accent); color: var(--color-accent-ink); box-shadow: 0 10px 30px -12px oklch(56% 0.19 264 / 0.8); }
.btn--primary:hover { transform: translateY(-2px); background: oklch(61% 0.2 264); box-shadow: 0 16px 40px -12px oklch(56% 0.19 264 / 0.9); }
.btn--ghost { border-color: var(--color-line-2); color: var(--color-ink); background: oklch(19% 0.022 265 / 0.5); }
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--color-ink-2); background: var(--color-paper-3); }
.btn--coral { background: var(--color-coral); color: oklch(20% 0.05 30); box-shadow: 0 10px 30px -12px oklch(72% 0.17 30 / 0.7); }
.btn--coral:hover { transform: translateY(-2px); filter: brightness(1.05); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }
.btn small { font-weight: 400; opacity: 0.82; font-family: var(--font-mono); font-size: var(--text-xs); }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(16px);
  background: oklch(15% 0.018 265 / 0.72);
  border-bottom: var(--rule) solid var(--color-line);
}
.nav__inner { display: flex; align-items: center; gap: var(--space-16); height: 64px; }
.nav__brand { display: flex; align-items: center; gap: var(--space-8); font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); }
.nav__brand img { width: 30px; height: 30px; border-radius: 7px; }
.nav__links { display: flex; gap: var(--space-24); margin-left: auto; font-size: var(--text-sm); color: var(--color-ink-2); }
.nav__links a { transition: color var(--dur) var(--ease-out); }
.nav__links a:hover { color: var(--color-ink); }
.nav__cta { margin-left: var(--space-16); padding: 0.6rem 1.1rem; }
.nav a:focus-visible, .nav__brand:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; border-radius: 6px; }

/* ---------- hero ---------- */
.hero { padding-block: var(--space-48) var(--space-32); border-top: none; }
.hero__grid { display: grid; grid-template-columns: 1fr 1.12fr; gap: var(--space-48); align-items: center; }
.hero h1 { font-size: clamp(2.6rem, 6.6vw, var(--text-display)); }
.hero h1 em { font-style: italic; color: var(--color-coral); }
.hero__lead { color: var(--color-ink-2); font-size: var(--text-lg); max-width: 50ch; margin-top: var(--space-16); }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--space-12); margin-top: var(--space-24); }
.hero .hero__cta .btn { padding: 0.82rem 1.05rem; }
.hero__meta { display: flex; flex-wrap: wrap; gap: var(--space-8); margin-top: var(--space-16); }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: var(--text-xs);
  color: var(--color-ink-2); border: var(--rule) solid var(--color-line-2);
  padding: 0.34rem 0.62rem; border-radius: 999px; background: oklch(19% 0.022 265 / 0.5);
}
.chip b { color: var(--color-ink); font-weight: 600; }
.chip .dot { width: 7px; height: 7px; border-radius: 999px; background: var(--color-green); }

/* hero spec line (replaces chip clutter) */
.hero__facts {
  margin-top: 4.5rem; /* generous breathing room below the CTAs */
  display: flex; align-items: center; flex-wrap: wrap; gap: 6px 8px;
  font-family: var(--font-mono); font-size: var(--text-xs);
  letter-spacing: 0.03em; color: var(--color-muted); line-height: 1.7;
}
.hero__facts b { color: var(--color-ink-2); font-weight: 600; }
.hero__facts .dot { width: 7px; height: 7px; border-radius: 999px; background: var(--color-green); flex: none; box-shadow: 0 0 0 4px oklch(72% 0.16 150 / 0.16); }

/* "scroll to features" button — outlined (btn--ghost) with a nudging arrow */
@media (prefers-reduced-motion: no-preference) {
  .btn--scroll .icon { animation: nudge 1.9s var(--ease-out) infinite; }
}
.btn--scroll:hover .icon { animation: none; transform: translateY(3px); }
@keyframes nudge { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(3px); } }

.figure { margin: 0; border: var(--rule) solid var(--color-line-2); border-radius: var(--radius-lg); overflow: hidden; background: var(--color-paper-2); box-shadow: var(--shadow); }
.figure img { width: 100%; }
.figure figcaption { font-size: var(--text-xs); color: var(--color-muted); padding: var(--space-8) var(--space-12); border-top: var(--rule) solid var(--color-line); font-family: var(--font-mono); }
.hero__fig { position: relative; }

/* ---------- interactive showcase ---------- */
.tabs { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 5px; border-radius: 999px; border: var(--rule) solid var(--color-line-2); background: var(--color-paper-2); margin-bottom: var(--space-24); }
.tab {
  appearance: none; border: 0; cursor: pointer; background: transparent;
  color: var(--color-ink-2); font-family: var(--font-body); font-weight: 600; font-size: var(--text-sm);
  padding: 0.55rem 1rem; border-radius: 999px; display: inline-flex; align-items: center; gap: 7px;
  transition: color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}
.tab .icon { width: 17px; height: 17px; }
.tab:hover { color: var(--color-ink); }
.tab[aria-selected="true"] { background: var(--color-accent); color: var(--color-accent-ink); }
.tab:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; }
.stage { position: relative; }
.panel { animation: fade var(--dur-slow) var(--ease-out); }
.panel[hidden] { display: none; }
.panel .lead { color: var(--color-ink-2); margin-top: var(--space-12); max-width: 60ch; }
@keyframes fade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .panel { animation: none; } }

/* ---------- stack / "replaces" band ---------- */
.stack__grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--space-12); margin-top: var(--space-24); }
.replace {
  border: var(--rule) solid var(--color-line); border-radius: var(--radius);
  padding: var(--space-16); background: var(--color-paper-2);
  transition: border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.replace:hover { border-color: var(--color-line-2); transform: translateY(-3px); }
.replace__top { display: flex; align-items: center; gap: 8px; color: var(--color-muted); font-family: var(--font-mono); font-size: var(--text-sm); }
.replace__top .icon { width: 16px; height: 16px; color: var(--color-coral); }
.replace s { text-decoration-color: var(--color-coral); }
.replace b { display: flex; align-items: center; gap: 8px; margin-top: var(--space-8); font-size: var(--text-lg); font-family: var(--font-display); }
.replace b .icon { width: 18px; height: 18px; color: var(--color-accent); }
.replace span { color: var(--color-muted); font-size: var(--text-sm); display: block; margin-top: 4px; }

/* ---------- deep dive (editor / md) ---------- */
.dive { display: grid; grid-template-columns: 1.15fr 1fr; gap: var(--space-48); align-items: center; }
.dive--rev .dive__media { order: -1; }
.dive ul { list-style: none; padding: 0; margin: var(--space-16) 0 0; display: grid; gap: var(--space-8); }
.dive li { padding-left: 1.7rem; position: relative; color: var(--color-ink-2); }
.dive li .icon { position: absolute; left: 0; top: 3px; width: 18px; height: 18px; color: var(--color-accent); }
.dive h3 { font-size: var(--text-2xl); margin-top: var(--space-8); }

/* markdown dual */
.mdgrid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-16); margin-top: var(--space-24); }

/* ---------- bento ---------- */
.bento { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: var(--space-12); }
.card {
  border: var(--rule) solid var(--color-line); border-radius: var(--radius);
  padding: var(--space-16); background: var(--color-paper-2);
  transition: border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
  position: relative;
}
.card:hover { border-color: var(--color-line-2); transform: translateY(-3px); }
.card h3 { font-size: var(--text-lg); margin-top: var(--space-12); }
.card p { color: var(--color-muted); font-size: var(--text-sm); margin: var(--space-6) 0 0; }
.card .new { font-family: var(--font-mono); font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-coral); position: absolute; top: var(--space-16); right: var(--space-16); border: var(--rule) solid oklch(72% 0.17 30 / 0.4); padding: 2px 7px; border-radius: 999px; }
.span-3 { grid-column: span 3; } .span-2 { grid-column: span 2; } .span-6 { grid-column: span 6; }

/* ---------- trust (security + ram) ---------- */
.trust { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-24); }
.panel-card { border: var(--rule) solid var(--color-line); border-radius: var(--radius-lg); padding: var(--space-24); background: var(--color-paper-2); }
.panel-card h3 { font-size: var(--text-xl); display: flex; align-items: center; gap: var(--space-12); }
.panel-card ul { list-style: none; padding: 0; margin: var(--space-16) 0 0; display: grid; gap: var(--space-12); }
.panel-card li { padding-left: 1.8rem; position: relative; color: var(--color-ink-2); font-size: var(--text-sm); }
.panel-card li .icon { position: absolute; left: 0; top: 2px; width: 18px; height: 18px; color: var(--color-green); }
.panel-card strong { color: var(--color-ink); }

/* ---------- requirements + install ---------- */
.reqgrid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: var(--space-24); align-items: start; }
.reqtable { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.reqtable th, .reqtable td { text-align: left; padding: var(--space-12) 0; border-bottom: var(--rule) solid var(--color-line); }
.reqtable th { color: var(--color-muted); font-weight: 600; width: 38%; }
.terminal {
  background: oklch(11% 0.015 265); border: var(--rule) solid var(--color-line-2);
  border-radius: var(--radius); padding: var(--space-16);
  font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-ink-2);
  overflow-x: auto; line-height: 1.85; max-width: 100%;
}
.terminal .n { color: var(--color-accent); user-select: none; }
.terminal .c { color: var(--color-muted); }

/* ---------- why I built ---------- */
.why { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: var(--space-48); }
.why__lead { font-family: var(--font-display); font-size: var(--text-2xl); line-height: 1.18; letter-spacing: -0.02em; }
.why p { color: var(--color-ink-2); }
.why p + p { margin-top: var(--space-16); }
.why .pull { color: var(--color-coral); }

/* ---------- maker ---------- */
.maker { display: grid; grid-template-columns: auto 1fr; gap: var(--space-24); align-items: start; }
.maker__photo { width: 132px; height: 132px; border-radius: var(--radius-lg); border: var(--rule) solid var(--color-line-2); object-fit: cover; }
.maker p { color: var(--color-ink-2); max-width: 62ch; }
.workshop { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--space-12); margin-top: var(--space-24); }
.work {
  border: var(--rule) solid var(--color-line); border-radius: var(--radius);
  padding: var(--space-12) var(--space-16); background: var(--color-paper-2);
  transition: border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.work:hover { border-color: var(--color-line-2); transform: translateY(-2px); }
.work b { font-family: var(--font-display); display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.work b .icon { width: 15px; height: 15px; color: var(--color-accent); }
.work span { color: var(--color-muted); font-size: var(--text-sm); }
.work:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }

/* ---------- support ---------- */
.support__grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: var(--space-12); margin-top: var(--space-24); }
.support {
  display: flex; flex-direction: column; gap: 6px;
  border: var(--rule) solid var(--color-line); border-radius: var(--radius);
  padding: var(--space-16); background: var(--color-paper-2);
  transition: border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.support:hover { border-color: var(--color-line-2); transform: translateY(-3px); }
.support .icon { width: 22px; height: 22px; color: var(--color-accent); }
.support b { font-family: var(--font-display); }
.support span { color: var(--color-muted); font-size: var(--text-sm); }
.support:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }

/* ---------- final cta ---------- */
.final { text-align: center; }
.final h2 { font-size: var(--text-4xl); max-width: 20ch; margin-inline: auto; }
.final p { color: var(--color-muted); margin-top: var(--space-12); }
.final .hero__cta { justify-content: center; }

/* ---------- footer ---------- */
.foot { border-top: var(--rule) solid var(--color-line); padding-block: var(--space-32); color: var(--color-muted); font-size: var(--text-sm); }
.foot__row { display: flex; flex-wrap: wrap; gap: var(--space-16) var(--space-24); align-items: center; }
.foot__links { display: flex; flex-wrap: wrap; gap: var(--space-16); margin-left: auto; }
.foot a { transition: color var(--dur) var(--ease-out); }
.foot a:hover { color: var(--color-ink); }
.foot a:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; border-radius: 4px; }
.foot__fine { margin-top: var(--space-16); font-size: var(--text-xs); color: var(--color-muted); max-width: 72ch; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card, .work, .replace, .support { transition: none; }
  body { background-attachment: scroll; }
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero__grid, .dive, .dive--rev, .trust, .reqgrid, .maker, .why { grid-template-columns: 1fr; }
  .dive--rev .dive__media { order: 0; }
  .stack__grid, .workshop, .support__grid { grid-template-columns: 1fr 1fr; }
  .bento > * { grid-column: span 3; }
  .nav__links { display: none; }
}
@media (max-width: 560px) {
  .wrap { padding-inline: var(--space-16); }
  .section { padding-block: var(--space-48); }
  .stack__grid, .workshop, .bento, .support__grid, .mdgrid { grid-template-columns: 1fr; }
  .stack__grid > *, .workshop > *, .bento > *, .support__grid > * { grid-column: auto; }
  .hero__cta .btn, .final .btn { width: 100%; justify-content: center; }
  .section__head h2, .final h2 { font-size: var(--text-2xl); }
  .maker { grid-template-columns: 1fr; }
  .maker__photo { width: 96px; height: 96px; }
  .tabs { width: 100%; justify-content: flex-start; overflow-x: auto; }
}