/* OpenRewind marketing site.
   Light slate canvas, one blue accent, light-weight display type, pill buttons. */

:root {
  --accent: #0c5afa;
  --accent-soft: #e0eaff;
  --ink: #0f172a;
  --slate: #334155;
  --graphite: #475569;
  --pewter: #64748b;
  --fog: #939eae;
  --hairline: #d1d5db;
  --mist: #e5e7eb;
  --plaster: #f2f3f5;
  --chalk: #ffffff;

  --r-card: 16px;
  --r-input: 8px;
  --shadow: 0 30px 80px -30px rgba(15, 23, 42, .35), 0 8px 24px -12px rgba(15, 23, 42, .18);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--plaster);
  color: var(--slate);
  font-family: "Figtree", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
mark { background: #fde68a; color: inherit; border-radius: 3px; padding: 0 2px; }

.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 820px; }
.center { text-align: center; justify-content: center; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(242, 243, 245, .78);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.nav.scrolled { border-bottom-color: var(--mist); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand img { height: 22px; width: auto; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 18px; color: var(--ink); letter-spacing: -.2px; }
.nav-links { display: flex; gap: 32px; }
.nav-links a { color: var(--graphite); transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 16px; }
.nav-gh { color: var(--graphite); transition: color .2s; }
.nav-gh:hover { color: var(--ink); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 48px; padding: 0 24px;
  border-radius: 9999px;
  font-family: inherit; font-size: 16px; font-weight: 500; line-height: 1;
  border: 1px solid transparent;
  transition: transform .2s var(--ease), background .2s, border-color .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-sm { height: 40px; padding: 0 18px; font-size: 15px; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { box-shadow: 0 10px 24px -10px rgba(15, 23, 42, .6); }
.btn-ghost { background: transparent; color: var(--graphite); border-color: var(--hairline); }
.btn-ghost:hover { color: var(--ink); border-color: var(--ink); }
.btn-light { background: #fff; color: var(--ink); }
.btn-outline-light { color: #fff; border-color: rgba(255, 255, 255, .3); }
.btn-outline-light:hover { border-color: #fff; }

/* Hero */
.hero { padding-top: 72px; }
.chip {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 10px; border-radius: 9999px;
  background: var(--chalk); border: 1px solid var(--mist);
  font-size: 14px; color: var(--graphite); font-weight: 500;
  transition: border-color .2s;
}
.chip:hover { border-color: var(--hairline); }
.chip-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.chip-arrow { color: var(--fog); transition: transform .2s; }
.chip:hover .chip-arrow { transform: translateX(3px); }

.display {
  margin: 28px 0 0;
  font-weight: 300;
  font-size: clamp(44px, 8vw, 96px);
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--ink);
}
.lede { margin: 24px 0 0; max-width: 640px; font-size: 20px; line-height: 1.55; color: var(--slate); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-cta.center { justify-content: center; }
.fine { margin: 18px 0 0; font-size: 14px; color: var(--pewter); }

/* Product well */
.well {
  margin-top: 64px;
  border-radius: 24px;
  background: var(--mist);
  padding: clamp(10px, 2vw, 18px);
  box-shadow: var(--shadow);
}
.desk {
  position: relative; overflow: hidden;
  border-radius: 16px;
  min-height: 520px;
  background:
    radial-gradient(1200px 500px at 15% 0%, #93b4ff 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 100%, #93c5fd 0%, transparent 55%),
    linear-gradient(135deg, #0b2a6b, #0f172a 70%);
  display: flex; align-items: center; justify-content: center;
  padding: clamp(16px, 4vw, 48px);
}
.desk-glow {
  position: absolute; inset: auto -10% -40% -10%; height: 70%;
  background: radial-gradient(closest-side, rgba(12, 90, 250, .5), transparent);
  filter: blur(40px); animation: drift 12s ease-in-out infinite alternate;
}
@keyframes drift { from { transform: translateX(-6%); } to { transform: translateX(6%); } }

.tl {
  position: relative; width: 100%; max-width: 920px;
  background: rgba(10, 10, 14, .62);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 18px;
  padding: 18px;
  color: #fff;
}
.tl-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tl-search {
  display: flex; align-items: center; gap: 10px;
  height: 36px; padding: 0 16px; border-radius: 9999px;
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .2);
  color: rgba(255, 255, 255, .6); font-size: 14px; min-width: min(320px, 60%);
}
.tl-q { color: #fff; }
.caret { width: 1.5px; height: 16px; background: #fff; animation: blink 1s steps(1) infinite; margin-left: -6px; }
@keyframes blink { 50% { opacity: 0; } }
.tl-rec { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, .6); }
.rec-dot { width: 7px; height: 7px; border-radius: 50%; background: #ef4444; animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, .6); } 70% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); } 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); } }

.tl-frame {
  position: relative; margin: 16px 0;
  border-radius: 12px; overflow: hidden;
  background: #f8fafc; color: var(--ink);
  border: 1px solid rgba(255, 255, 255, .12);
  aspect-ratio: 16 / 8;
}
.frame-bar { display: flex; align-items: center; gap: 6px; height: 30px; padding: 0 12px; background: #e9ecf1; font-size: 12px; color: var(--pewter); }
.frame-bar i { width: 10px; height: 10px; border-radius: 50%; background: #cbd5e1; }
.frame-bar i:nth-child(1) { background: #f87171; }
.frame-bar i:nth-child(2) { background: #fbbf24; }
.frame-bar i:nth-child(3) { background: #34d399; }
.frame-bar span { margin-left: 10px; }
.frame-body { padding: 6% 8%; transition: opacity .35s; }
.frame-body.fade { opacity: 0; }
.fb-line { height: 10px; border-radius: 6px; background: #e2e8f0; margin: 0 0 14px; }
.w45 { width: 45%; } .w60 { width: 60%; } .w70 { width: 70%; } .w80 { width: 80%; }
.fb-hit { font-size: clamp(13px, 1.8vw, 20px); font-weight: 500; margin: 6px 0 18px; color: var(--ink); }
.fb-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 18px; }
.fb-grid span { height: 56px; border-radius: 10px; background: #eef2ff; }
.fb-grid span:nth-child(2) { background: #ecfeff; }
.fb-grid span:nth-child(3) { background: #fdf2f8; }
.frame-time {
  position: absolute; right: 12px; bottom: 12px;
  background: rgba(0, 0, 0, .78); color: #fff;
  font-size: 12px; padding: 6px 10px; border-radius: 10px;
}

.tl-bar { position: relative; height: 44px; border-radius: 10px; background: rgba(255, 255, 255, .06); overflow: hidden; cursor: ew-resize; }
.tl-segs { position: absolute; inset: 8px 0 auto 0; height: 18px; display: flex; gap: 2px; padding: 0 2px; }
.tl-segs i { display: block; height: 100%; border-radius: 3px; opacity: .85; }
.tl-audio { position: absolute; left: 0; right: 0; bottom: 7px; height: 6px; display: flex; gap: 2px; padding: 0 2px; }
.tl-audio i { display: block; height: 100%; border-radius: 3px; }
.tl-head { position: absolute; top: 0; bottom: 0; width: 2px; background: #fff; left: 60%; transition: left .9s var(--ease); }
.tl-head span { position: absolute; top: -2px; left: -5px; width: 12px; height: 12px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 4px rgba(255, 255, 255, .2); }
.tl-axis { display: flex; justify-content: space-between; margin-top: 8px; font-size: 11px; color: rgba(255, 255, 255, .42); padding: 0 4px; }

/* Facts */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 64px; }
.fact { padding: 24px; border-top: 1px solid var(--hairline); }
.fact b { display: block; font-weight: 300; font-size: 44px; line-height: 1; letter-spacing: -1px; color: var(--ink); }
.fact span { display: block; margin-top: 10px; font-size: 15px; color: var(--pewter); }

/* Sections */
.section { padding-top: 128px; }
.eyebrow { margin: 0 0 14px; font-size: 14px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.eyebrow-light { color: #93b4ff; }
.h2 { margin: 0; font-weight: 300; font-size: clamp(34px, 5vw, 56px); line-height: 1.07; letter-spacing: -0.03em; color: var(--ink); }
.h3 { margin: 0; font-weight: 300; font-size: clamp(28px, 3.5vw, 40px); line-height: 1.1; letter-spacing: -0.02em; color: var(--ink); }
.sub { margin: 18px 0 0; max-width: 620px; font-size: 18px; line-height: 1.56; color: var(--slate); }

/* Feature grid */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 56px; }
.card {
  background: var(--chalk); border-radius: var(--r-card);
  padding: 24px;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px -24px rgba(15, 23, 42, .35); }
.card h3 { margin: 22px 0 8px; font-size: 20px; font-weight: 600; letter-spacing: -.2px; color: var(--ink); }
.card p { margin: 0; color: var(--graphite); font-size: 15.5px; }
.card-lg { grid-column: span 2; }
.card-wide { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.card-wide h3 { margin-top: 0; }
.card-art {
  position: relative; height: 180px; border-radius: 12px; background: var(--plaster);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  overflow: hidden; padding: 20px;
}
.art-timeline { background: linear-gradient(135deg, #0b1f4d, #0f172a); }
.mini-bar { display: flex; gap: 3px; width: 86%; height: 22px; }
.mini-bar i { width: var(--w); background: var(--c); border-radius: 4px; opacity: .9; }
.mini-head { position: absolute; top: 46px; bottom: 76px; width: 2px; background: #fff; left: 30%; animation: scrub 6s var(--ease) infinite alternate; }
@keyframes scrub { from { left: 18%; } to { left: 80%; } }
.keys { display: flex; gap: 6px; }
kbd {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 30px; height: 30px; padding: 0 8px;
  border-radius: 8px; background: var(--chalk); border: 1px solid var(--mist);
  box-shadow: 0 2px 0 var(--mist);
  font: 500 14px/1 "Figtree", system-ui, sans-serif; color: var(--ink);
}
.art-timeline kbd { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .18); box-shadow: 0 2px 0 rgba(255, 255, 255, .1); color: #fff; }

.pill-search { width: 90%; height: 36px; border-radius: 9999px; background: #fff; border: 1px solid var(--mist); display: flex; align-items: center; padding: 0 14px; font-size: 14px; color: var(--ink); }
.res { width: 90%; display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--graphite); background: #fff; border-radius: 10px; padding: 8px 12px; }
.res i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: none; }
.res i.g { background: #22c55e; }

.wave { display: flex; align-items: center; gap: 3px; height: 70px; }
.wave i { width: 4px; border-radius: 4px; background: #f97316; animation: wv 1.2s ease-in-out infinite alternate; }
.wave i:nth-child(even) { background: #22c55e; }
@keyframes wv { from { transform: scaleY(.25); } to { transform: scaleY(1); } }
.wave-legend { display: flex; gap: 16px; font-size: 12px; color: var(--pewter); }
.wave-legend i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.wave-legend .o { background: #f97316; } .wave-legend .g { background: #22c55e; }

.seg { display: flex; flex-wrap: wrap; justify-content: center; gap: 4px; background: #fff; border-radius: 9999px; padding: 4px; border: 1px solid var(--mist); }
.seg span { font-size: 12.5px; padding: 6px 10px; border-radius: 9999px; color: var(--graphite); }
.seg .on { background: var(--ink); color: #fff; }

.art-files code {
  font: 13px/1.7 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color: var(--slate); background: #fff; border: 1px solid var(--mist);
  border-radius: 10px; padding: 14px 16px; width: 92%;
}

/* Open source block */
.open {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center;
  background:
    radial-gradient(700px 400px at 0% 0%, rgba(12, 90, 250, .45), transparent 60%),
    var(--ink);
  border-radius: 28px; padding: clamp(32px, 6vw, 72px);
  color: rgba(255, 255, 255, .78);
}
.open .h2 { color: #fff; }
.open-copy p:not(.eyebrow) { font-size: 18px; margin: 20px 0 0; }
.price {
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 20px; padding: 32px;
}
.price-tag { font-weight: 300; font-size: 96px; line-height: 1; letter-spacing: -3px; color: #fff; }
.price-tag .cur { font-size: 40px; vertical-align: top; margin-right: 4px; letter-spacing: 0; }
.price-sub { margin: 8px 0 20px; color: rgba(255, 255, 255, .6); }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; color: #fff; }
.checks li::before {
  content: ""; flex: none; width: 20px; height: 20px; margin-top: 2px; border-radius: 50%;
  background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='m6 10 3 3 5-6' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat;
}

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 56px; }
.step { background: var(--chalk); border-radius: var(--r-card); padding: 32px 28px; }
.step-n { font-size: 14px; font-weight: 600; color: var(--accent); }
.step h3 { margin: 40px 0 10px; font-size: 26px; font-weight: 400; letter-spacing: -.5px; color: var(--ink); }
.step p { margin: 0; color: var(--graphite); }

/* Keyboard */
.kbd-card {
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: center;
  background: var(--chalk); border-radius: 28px; padding: clamp(28px, 5vw, 64px);
}
.shortcuts { margin: 0; display: grid; gap: 4px; }
.shortcuts div { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--mist); }
.shortcuts div:last-child { border-bottom: 0; }
.shortcuts dt { display: flex; gap: 6px; flex: none; }
.shortcuts dd { margin: 0; color: var(--graphite); text-align: right; }

/* Download */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 56px; }
.dl {
  display: flex; flex-direction: column; align-items: flex-start;
  background: var(--chalk); border-radius: var(--r-card); padding: 32px 28px;
  border: 2px solid transparent; transition: border-color .3s;
}
.dl.suggested { border-color: var(--accent); }
.dl-icon { width: 56px; height: 56px; border-radius: 14px; background: var(--plaster); color: var(--ink); display: flex; align-items: center; justify-content: center; }
.dl h3 { margin: 24px 0 8px; font-size: 24px; font-weight: 400; color: var(--ink); }
.dl p { margin: 0 0 24px; color: var(--graphite); flex: 1; }
.dl pre { margin: -8px 0 24px; width: 100%; background: var(--plaster); border-radius: var(--r-input); padding: 10px 14px; overflow-x: auto; }
.dl pre code { font: 13px ui-monospace, "SF Mono", Menlo, Consolas, monospace; color: var(--ink); }
.dl .badge { font-size: 12px; font-weight: 600; color: var(--accent); background: var(--accent-soft); padding: 4px 10px; border-radius: 9999px; margin-top: 16px; }
#download .fine { margin-top: 24px; }

/* FAQ */
.faq { margin-top: 40px; border-top: 1px solid var(--hairline); }
.faq details { border-bottom: 1px solid var(--hairline); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 24px 0; font-size: 19px; font-weight: 500; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 300; font-size: 28px; line-height: 1; color: var(--pewter); transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: -8px 0 24px; max-width: 680px; color: var(--graphite); }

/* Closer */
.closer {
  text-align: center; padding: clamp(48px, 8vw, 96px) 24px;
  border-radius: 28px;
  background:
    radial-gradient(600px 300px at 50% 120%, rgba(12, 90, 250, .25), transparent 70%),
    var(--chalk);
}
.closer .sub { margin-left: auto; margin-right: auto; }

/* Footer */
.footer { margin-top: 128px; padding: 56px 0 40px; border-top: 1px solid var(--mist); color: var(--pewter); }
.foot-inner { display: flex; justify-content: space-between; gap: 48px; flex-wrap: wrap; }
.foot-brand p { margin: 12px 0 0; }
.foot-cols { display: flex; gap: 64px; flex-wrap: wrap; }
.foot-cols h4 { margin: 0 0 12px; font-size: 14px; font-weight: 600; color: var(--ink); }
.foot-cols a { display: block; margin: 8px 0; transition: color .2s; }
.foot-cols a:hover { color: var(--ink); }
.foot-brand .foot-made { margin-top: 8px; }
.foot-made a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.foot-made a:hover { color: var(--ink); }
.foot-legal { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 48px; font-size: 14px; color: var(--fog); }

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .grid, .steps, .dl-grid { grid-template-columns: 1fr 1fr; }
  .facts { grid-template-columns: 1fr 1fr; }
  .open, .kbd-card { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .grid, .steps, .dl-grid { grid-template-columns: 1fr; }
  .card-lg { grid-column: auto; }
  .card-wide { grid-template-columns: 1fr; gap: 0; }
  .card-wide h3 { margin-top: 22px; }
  .hero { padding-top: 48px; }
  .lede { font-size: 18px; }
  .section { padding-top: 88px; }
  .desk { min-height: 0; padding: 12px; }
  .tl { padding: 12px; }
  .tl-rec { display: none; }
  .tl-search { min-width: 0; width: 100%; }
  .fact { padding: 20px 0; }
  .fact b { font-size: 36px; }
  .shortcuts dd { font-size: 14px; }
  .btn { width: 100%; justify-content: center; }
  .nav-cta .btn { width: auto; }
  .foot-cols { gap: 40px; }
}
.alt-link { margin-top: 12px; font-size: 14px; color: var(--pewter); text-decoration: underline; text-underline-offset: 3px; }
.alt-link:hover { color: var(--ink); }
#download .fine a { text-decoration: underline; text-underline-offset: 3px; }