/* Rift — GitHub Pages site. Palette mirrors the rift-neon theme. */
:root {
  color-scheme: dark;
  --bg: #080a18;
  --bg-2: #0c0f22;
  --panel: #10142c;
  --panel-2: #151a38;
  --line: #232a52;
  --line-2: #2f3870;
  --fg: #d6e0ff;
  --fg-strong: #f2f5ff;
  --muted: #9aa5d1;
  --magenta: #ff2ebe;
  --magenta-soft: #ff6edc;
  --cyan: #00e5ff;
  --green: #00f0a0;
  --red: #ff4070;
  --yellow: #ffd640;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 10px;
  --wrap: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan); text-underline-offset: 3px; }
a:hover { color: var(--fg-strong); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
code, kbd, pre { font-family: var(--mono); }
code { font-size: .9em; color: var(--magenta-soft); }
kbd {
  display: inline-block;
  min-width: 1.6em;
  padding: .05em .45em;
  font-size: .82em;
  line-height: 1.5;
  text-align: center;
  color: var(--fg-strong);
  background: var(--panel-2);
  border: 1px solid var(--line-2);
  border-bottom-width: 2px;
  border-radius: 5px;
  white-space: nowrap;
}
h1, h2, h3 { font-family: var(--mono); color: var(--fg-strong); line-height: 1.15; letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); margin: 0 0 .6em; font-weight: 800; }
h3 { font-size: 1.12rem; margin: 0 0 .5em; font-weight: 600; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--magenta); color: var(--bg); padding: 8px 12px; border-radius: 6px; }
.skip:focus { left: 8px; }

.kicker { font-family: var(--mono); color: var(--magenta); font-size: .85rem; letter-spacing: .08em; margin-bottom: .4em; }
.section-lede { color: var(--muted); max-width: 64ch; }
.fine { color: var(--muted); font-size: .88rem; }
section { padding-block: 88px; }

/* ── nav ── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(8, 10, 24, .82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg-strong); text-decoration: none; font: 800 1.15rem var(--mono); letter-spacing: .04em; }
.brand img { border-radius: 6px; }
.nav nav { margin-left: auto; }
.nav-links { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .92rem; }
.nav-links a:hover { color: var(--fg-strong); }

/* ── buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  font: 600 .95rem var(--mono);
  border-radius: 8px;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn-sm { padding: 7px 12px; font-size: .85rem; }
.btn-primary { background: var(--magenta); color: #0a0614; box-shadow: 0 0 0 1px rgba(255, 46, 190, .4), 0 8px 30px -8px rgba(255, 46, 190, .6); }
.btn-primary:hover { color: #0a0614; transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(255, 46, 190, .6), 0 10px 36px -6px rgba(255, 46, 190, .75); }
.btn-ghost { color: var(--fg-strong); border-color: var(--line-2); background: rgba(21, 26, 56, .5); }
.btn-ghost:hover { color: var(--fg-strong); border-color: var(--cyan); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* ── hero ── */
.hero {
  position: relative;
  padding-block: 72px 96px;
  overflow: hidden;
  background:
    radial-gradient(900px 480px at 85% 10%, rgba(0, 229, 255, .09), transparent 60%),
    radial-gradient(800px 520px at 5% 90%, rgba(255, 46, 190, .10), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}
/* CRT scanlines: hero only */
.hero::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(255, 255, 255, .025) 0 1px, transparent 1px 3px);
  mix-blend-mode: overlay;
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font: 500 .82rem var(--mono); color: var(--muted); padding: 5px 12px; border: 1px solid var(--line-2); border-radius: 99px; margin-bottom: 22px; }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); font-weight: 800; margin: 0 0 20px; }
.hero h1 .hl {
  background: linear-gradient(92deg, var(--magenta) 10%, var(--cyan) 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { font-size: 1.12rem; color: var(--muted); max-width: 52ch; margin-bottom: 28px; }
.hero-note { margin-top: 18px; font-size: .88rem; color: var(--muted); }
.replay {
  position: absolute; right: 24px; bottom: 24px; z-index: 2;
  font: 500 .8rem var(--mono); color: var(--muted);
  background: transparent; border: 1px solid var(--line-2); border-radius: 6px; padding: 6px 10px; cursor: pointer;
}
.replay:hover { color: var(--fg-strong); border-color: var(--cyan); }

/* terminal demo */
.term {
  margin: 0;
  background: rgba(10, 13, 30, .94);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  box-shadow: 0 0 0 1px rgba(255, 46, 190, .08), 0 30px 80px -20px rgba(0, 0, 0, .8), 0 0 60px -20px rgba(255, 46, 190, .35);
  overflow: hidden;
  font: 400 13.5px/1.55 var(--mono);
  font-variant-ligatures: none;
}
.term-bar { display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: var(--panel); border-bottom: 1px solid var(--line); }
.tl { width: 11px; height: 11px; border-radius: 50%; }
.tl.r { background: var(--red); } .tl.y { background: var(--yellow); } .tl.g { background: var(--green); }
.term-title { margin-left: 10px; color: var(--muted); font-size: 12px; }
.term-body { padding: 16px 16px 18px; min-height: 380px; }
.term-body p { margin: 0; }
.term code { color: inherit; font-size: 1em; }
.blk { position: relative; padding: 8px 10px 8px 14px; margin-bottom: 10px; border-radius: 6px; background: rgba(255, 255, 255, .015); }
.blk::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; border-radius: 3px; background: var(--line-2); }
.blk.ok::before { background: var(--green); }
.blk.fail { background: rgba(255, 64, 112, .06); }
.blk.fail::before { background: var(--red); }
.ps { color: var(--magenta); font-weight: 600; }
.nl { color: var(--cyan); }
.hint { color: var(--cyan); font-size: 12px; opacity: .85; margin: 2px 0 4px 18px !important; }
.hint code { color: var(--cyan); }
.out { color: var(--fg); opacity: .9; padding: 4px 0 2px 18px; }
.out .sz { display: inline-block; width: 5ch; color: var(--yellow); }
.out .more, .out .dim { color: var(--muted); }
.err { color: var(--red); font-weight: 600; }
.chips { display: flex; justify-content: flex-end; gap: 6px; margin-top: 4px !important; }
.chip { font-size: 11px; padding: 1px 8px; border-radius: 99px; color: var(--muted); border: 1px solid var(--line-2); background: var(--panel); }
.chip-ok { color: var(--green); border-color: rgba(0, 240, 160, .4); }
.chip-fail { color: var(--red); border-color: rgba(255, 64, 112, .45); }
.fix {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px;
  margin: 0 0 10px; padding: 8px 12px;
  border: 1px solid rgba(255, 214, 64, .35);
  background: linear-gradient(90deg, rgba(255, 214, 64, .08), rgba(255, 214, 64, .02));
  border-radius: 6px;
}
.fix-tag { color: var(--yellow); font-weight: 600; }
.fix code { color: var(--fg-strong); }
.kbd-hint { margin-left: auto; color: var(--muted); font-size: 11.5px; }
.kbd-hint kbd { font-size: 10.5px; }
.cursor { display: inline-block; width: .6em; height: 1.1em; vertical-align: text-bottom; background: var(--magenta); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* animation states (added by main.js only when motion is allowed) */
.anim [data-step] { opacity: 0; transform: translateY(4px); transition: opacity .35s ease, transform .35s ease; }
.anim [data-step].on { opacity: 1; transform: none; }
.anim [data-type].typing::after { content: ""; display: inline-block; width: .55em; height: 1.05em; vertical-align: text-bottom; background: var(--magenta); margin-left: 1px; }

/* ── pillars ── */
.why { padding-block: 56px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.pillars { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.pillars h3 { font-size: 1.05rem; }
.pillars .k { color: var(--magenta); margin-right: 8px; }
.pillars p { color: var(--muted); margin: 0; }

/* ── features ── */
.features h2 { max-width: 22ch; margin-bottom: 56px; }
.feat { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; margin-bottom: 72px; }
.feat.flip .feat-copy { order: 2; }
.feat h3 { font-size: 1.5rem; }
.feat p { color: var(--muted); }
.shot { border-radius: var(--radius); border: 1px solid var(--line-2); background: var(--panel); box-shadow: 0 20px 60px -24px rgba(0, 0, 0, .9); }
.ticks { list-style: none; padding: 0; margin: 0; }
.ticks li { position: relative; padding-left: 22px; margin-bottom: 8px; }
.ticks li::before { content: "›"; position: absolute; left: 4px; color: var(--magenta); font-family: var(--mono); font-weight: 800; }
.badge { display: inline-block; vertical-align: middle; margin-left: 6px; font: 600 .62rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--cyan); border: 1px solid rgba(0, 229, 255, .45); padding: 1px 7px; border-radius: 99px; }

.feat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-bottom: 72px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 14px 14px 20px; transition: border-color .2s ease; }
.card:hover { border-color: var(--line-2); }
.card .shot { margin-bottom: 18px; box-shadow: none; }
.card h3, .card p { padding-inline: 6px; }
.card p { color: var(--muted); margin: 0; }

.sub-ai { margin: -32px 0 80px; padding: 22px 24px; border: 1px dashed var(--line-2); border-radius: 12px; }
.pill-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; color: var(--muted); }
.pill-list strong { color: var(--fg-strong); font-family: var(--mono); font-weight: 600; }

.toolbox h3 { margin-top: 8px; }
.tags { list-style: none; padding: 0; margin: 0 0 28px; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { font: 400 .85rem var(--mono); padding: 5px 11px; border: 1px solid var(--line); border-radius: 6px; background: var(--bg-2); }

/* ── compare ── */
.compare { background: var(--bg-2); border-block: 1px solid var(--line); }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; margin: 28px 0 14px; }
.cmp { width: 100%; border-collapse: collapse; min-width: 680px; font-size: .93rem; }
.cmp th, .cmp td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); }
.cmp tbody tr:last-child th, .cmp tbody tr:last-child td { border-bottom: 0; }
.cmp thead th { font: 600 .85rem var(--mono); color: var(--muted); background: var(--panel); }
.cmp tbody th { font-weight: 500; color: var(--fg-strong); }
.cmp td { color: var(--muted); }
.cmp .us { background: rgba(255, 46, 190, .06); color: var(--fg-strong); }
.cmp thead .us { color: var(--magenta); }
.y { color: var(--green); font-weight: 700; }
.n { color: #ff6b8e; font-weight: 700; }
.p { color: var(--yellow); font-weight: 700; }

/* ── shortcuts ── */
.kb-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin: 28px 0 18px; }
.kb { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 18px 8px; }
.kb h3 { font-size: .9rem; color: var(--magenta); text-transform: uppercase; letter-spacing: .08em; }
.kb dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 12px; margin: 0 0 16px; align-items: baseline; }
.kb dt { white-space: nowrap; font-size: .85rem; color: var(--muted); }
.kb dd { margin: 0; font-size: .9rem; }

/* ── install / ai ── */
.two-col > * { min-width: 0; }
.two-col { display: grid; grid-template-columns: .85fr 1.15fr; gap: 48px; align-items: start; }
.steps { padding-left: 1.3em; color: var(--muted); }
.steps li { margin-bottom: 6px; }
.steps li::marker { color: var(--magenta); font-family: var(--mono); }
.ai-setup { background: var(--bg-2); border-block: 1px solid var(--line); }
.code-stack { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; min-width: 0; }
.code { position: relative; background: #060814; border: 1px solid var(--line-2); border-radius: 10px; }
.code pre { font-variant-ligatures: none; margin: 0; padding: 18px 20px; overflow-x: auto; font-size: .88rem; line-height: 1.65; color: var(--fg); }
.code pre code { color: var(--fg); font-size: 1em; }
.code .c { color: #7d88b8; }
.copy { position: absolute; top: 10px; right: 10px; font: 500 .75rem var(--mono); color: var(--muted); background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 6px; padding: 4px 9px; cursor: pointer; }
.copy:hover { color: var(--fg-strong); border-color: var(--cyan); }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: -6px; }
.tabs button { font: 500 .85rem var(--mono); color: var(--muted); background: transparent; border: 1px solid var(--line); border-radius: 7px; padding: 6px 12px; cursor: pointer; }
.tabs button[aria-selected="true"] { color: var(--fg-strong); border-color: var(--magenta); background: rgba(255, 46, 190, .08); }

/* ── privacy / faq / support ── */
.privacy-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 40px; color: var(--muted); }
.privacy-list li { padding-left: 18px; border-left: 2px solid var(--line-2); }
.privacy-list strong { color: var(--fg-strong); }
.faq { background: var(--bg-2); border-block: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 16px 0; max-width: 820px; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--fg-strong); list-style: none; display: flex; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "+"; font-family: var(--mono); color: var(--magenta); width: 1ch; }
.faq details[open] summary::before { content: "−"; }
.faq details p { color: var(--muted); margin: 10px 0 0 calc(1ch + 12px); }
.support { padding-block: 72px; }
.support-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; padding: 36px; border: 1px solid var(--line-2); border-radius: 16px; background: linear-gradient(120deg, rgba(255, 46, 190, .08), rgba(0, 229, 255, .05)); }
.support h2 { font-size: 1.6rem; margin-bottom: .3em; }
.support p { color: var(--muted); margin: 0; }
.footer { border-top: 1px solid var(--line); padding-block: 28px; color: var(--muted); font-size: .9rem; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.footer p { margin: 0; display: flex; align-items: center; gap: 8px; }
.footer img { border-radius: 4px; }

/* ── responsive ── */
@media (max-width: 960px) {
  .hero-grid, .feat, .two-col { grid-template-columns: minmax(0, 1fr); }
  .feat.flip .feat-copy { order: 0; }
  .kb-grid { grid-template-columns: repeat(2, 1fr); }
  .pill-list { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav nav { margin-left: 0; }
  .nav .btn-sm { margin-left: auto; }
}
@media (max-width: 680px) {
  section { padding-block: 64px; }
  .wrap { padding-inline: 16px; }
  .pillars, .feat-grid, .kb-grid, .privacy-list { grid-template-columns: 1fr; }
  .term { font-size: 12px; }
  .term-body { min-height: 0; padding: 12px; }
  .kbd-hint { margin-left: 0; }
  .support-inner { padding: 24px; }
  .btn { padding: 11px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}