/* Smew — getsmew.com
   Palette is lifted from the app's own design tokens (core/DesignTokens.h),
   dark roles, so the site and the product are visibly the same object.
   Those values carry measured contrast ratios; do not "brighten" the accent
   without re-checking it — #22A8DE was tried and measured 2.41:1. */

:root {
  --bg:            #1A1D21;
  --surface:       #22262A;   /* surfaceBase, dark */
  --surface-2:     #2A2E33;   /* surface, dark */
  --surface-card:  #2F343A;   /* surfaceCard, dark */
  --text:          #E6E8EA;   /* textPrimary, dark */
  --muted:         #9AA0A6;   /* textMuted, dark — 4.6:1 on surface */
  --accent:        #3FB6E4;   /* accent, dark */
  --accent-deep:   #0E7BA8;   /* accent, light — for solid fills */
  --line:          rgba(255,255,255,0.10);
  --line-strong:   rgba(255,255,255,0.20);
  --radius: 14px;
  --max: 1120px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
          "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.12; letter-spacing: -0.021em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.6rem, 6.2vw, 4.4rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 650; }
h3 { font-size: 1.12rem; font-weight: 640; }
p  { margin: 0 0 1rem; }
a  { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 1.5rem;
  padding: .9rem clamp(16px, 4vw, 40px);
  background: rgba(26,29,33,.82);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav__brand { display: flex; align-items: center; }
.nav__links { display: flex; gap: 1.5rem; margin-left: auto; }
.nav__links a { color: var(--muted); font-size: .95rem; }
.nav__links a:hover { color: var(--text); text-decoration: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  padding: .62rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  font-size: .95rem; font-weight: 560;
  transition: background .16s ease, border-color .16s ease, transform .16s ease;
}
.btn:hover { background: rgba(255,255,255,.07); text-decoration: none; }
.btn--sm { padding: .45rem .95rem; font-size: .9rem; }
.btn--lg { padding: .85rem 1.6rem; font-size: 1.02rem; }
.btn--solid, .hero__cta .btn--lg:first-child {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: #fff;
}
.btn--solid:hover, .hero__cta .btn--lg:first-child:hover {
  background: #1290c2; border-color: #1290c2;
}
.btn--ghost { background: transparent; }

/* ---------- hero ---------- */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(48px, 9vw, 104px) clamp(16px, 4vw, 40px) 0;
}
.hero__inner { max-width: 720px; }
.eyebrow {
  text-transform: uppercase; letter-spacing: .11em;
  font-size: .78rem; font-weight: 640; color: var(--accent);
  margin-bottom: 1rem;
}
.lede { font-size: clamp(1.05rem, 1.9vw, 1.22rem); color: var(--muted); max-width: 60ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.9rem 0 .9rem; }
.hero__note { font-size: .9rem; color: var(--muted); }

/* ---------- the viewport abstraction ---------- */
.shot {
  margin: clamp(36px, 6vw, 68px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 30px 70px -30px rgba(0,0,0,.75);
}
.shot__chrome {
  display: flex; gap: 7px; align-items: center;
  padding: 11px 14px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}
.shot__chrome span {
  width: 11px; height: 11px; border-radius: 50%;
  background: rgba(255,255,255,.16);
}
.shot__canvas {
  position: relative;
  aspect-ratio: 16 / 8.4;
  max-width: 100%;
  background:
    radial-gradient(120% 90% at 50% 8%, #2b3036 0%, #202428 62%, #1b1e22 100%);
  overflow: hidden;
}
.shot__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(75% 62% at 50% 62%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(75% 62% at 50% 62%, #000 30%, transparent 100%);
}
.shot__solid {
  position: absolute; left: 50%; top: 54%;
  width: clamp(130px, 22vw, 250px); aspect-ratio: 1;
  transform: translate(-50%, -50%) rotateX(58deg) rotateZ(44deg);
  background: linear-gradient(145deg, #7e8790 0%, #59616a 52%, #414850 100%);
  border-radius: 10px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,.10),
    0 40px 60px -18px rgba(0,0,0,.65);
}
.shot__rail {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 9px;
  padding: 10px 8px;
  background: rgba(34,38,42,.78);
  border: 1px solid var(--line);
  border-radius: 11px;
}
.shot__rail i {
  display: block; width: 19px; height: 19px; border-radius: 5px;
  background: rgba(255,255,255,.13);
}
.shot__rail i.on { background: var(--accent); }
.shot__pill {
  position: absolute; top: 16px; left: 50%; transform: translateX(-50%);
  padding: .34rem .9rem;
  font-size: .82rem; color: var(--text);
  background: rgba(34,38,42,.86);
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
}

/* ---------- strip ---------- */
.strip {
  max-width: var(--max);
  margin: clamp(36px, 6vw, 62px) auto 0;
  padding: 0 clamp(16px, 4vw, 40px);
  display: grid; gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  background: transparent;
}
.strip__item {
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}
.strip__item b { display: block; font-size: .98rem; }
.strip__item span { font-size: .87rem; color: var(--muted); }

/* ---------- sections ---------- */
.features, .platforms, .download, .notify {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(56px, 9vw, 108px) clamp(16px, 4vw, 40px) 0;
}
.section-lede { color: var(--muted); max-width: 62ch; font-size: 1.03rem; }

.grid {
  margin-top: 2.2rem;
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
}
.card {
  padding: 1.5rem 1.5rem 1.2rem;
  background: var(--surface-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.card p { color: var(--muted); margin-bottom: 0; font-size: .97rem; }
.card--accent { border-color: rgba(63,182,228,.35); }
.card--accent h3 { color: var(--accent); }

/* ---------- platforms ---------- */
.plat {
  margin-top: 2.2rem;
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(275px, 1fr));
}
.plat__item {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.plat__item--live { border-color: rgba(63,182,228,.40); background: var(--surface-card); }
.plat__head { display: flex; align-items: center; gap: .7rem; margin-bottom: .6rem; }
.plat__head b { font-size: 1.1rem; }
.plat__item p { color: var(--muted); font-size: .95rem; }
.tag {
  font-size: .74rem; letter-spacing: .05em; text-transform: uppercase;
  font-weight: 640; padding: .18rem .56rem; border-radius: 999px;
  border: 1px solid var(--line-strong); color: var(--muted);
}
.tag--live { color: #0b1216; background: var(--accent); border-color: var(--accent); }

/* ---------- download ---------- */
.download { text-align: left; }
.req { font-size: .9rem; color: var(--muted); margin-top: .9rem; }
.callout {
  margin-top: 2.4rem;
  padding: 1.6rem 1.7rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
}
.callout p, .callout li { color: var(--muted); }
.callout ol { margin: 0 0 1rem; padding-left: 1.2rem; }
.callout li { margin-bottom: .4rem; }
.callout b { color: var(--text); }
.muted { color: var(--muted); font-size: .92rem; }

.notify .mailto { margin: 1.6rem 0 1rem; }

/* ---------- footer ---------- */
.foot {
  margin-top: clamp(64px, 10vw, 120px);
  border-top: 1px solid var(--line);
  background: var(--surface);
}
.foot__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.4rem clamp(16px, 4vw, 40px);
}
.foot__inner p { max-width: 68ch; margin-bottom: .6rem; }
.foot__inner img { margin-bottom: 1rem; opacity: .9; }

/* ---------- narrow ---------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .nav__links { display: none; }
  .hero__cta .btn { width: 100%; text-align: center; }
}

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

/* Checksum line: long hex must wrap on a phone rather than push the page
   sideways, and be readable without being as loud as the download button. */
.sum { margin-top: .6rem; line-height: 1.5; }
.sum code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .78rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: .1rem .35rem;
  overflow-wrap: anywhere;
  word-break: break-all;
}