/*
 * The Ohm website.
 *
 * Hand-written; the pages around it are generated by `npm run site` so that every number
 * on them comes from the repository rather than from memory.
 *
 * Borders carry real contrast here for the same reason they now do in the app: at 1.2:1
 * an edge is not an edge, and a page of cards reads as one undivided field.
 */

:root {
  --bg: #0a0c14;
  --bg-deep: #07080f;
  --panel: #12141f;
  --panel-2: #171a28;
  --line: #2b3047;
  --line-soft: #1e2233;
  --ink: #e9ebf5;
  --dim: #98a0bd;
  --violet: #a48cff;
  --teal: #69e6d5;
  --amber: #ffca7a;
  --mono: ui-monospace, "Cascadia Code", Consolas, "SF Mono", monospace;
  --sans: ui-sans-serif, system-ui, "Segoe UI", Inter, sans-serif;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme='dark']) {
    --bg: #ffffff;
    --bg-deep: #f4f6fb;
    --panel: #f7f8fc;
    --panel-2: #eef1f8;
    --line: #c9cedd;
    --line-soft: #e3e7f0;
    --ink: #14161f;
    --dim: #565d75;
    --violet: #5b3fd6;
    --teal: #0b6e63;
    --amber: #8a6400;
    --shadow: 0 20px 50px rgba(20, 24, 50, 0.12);
    color-scheme: light;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16.5px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--violet);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  color: var(--teal);
}

/* ---------------------------------------------------------------- shell */

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.wrap.wide {
  max-width: 1380px;
}

nav.top {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
}

nav.top .wrap {
  display: flex;
  align-items: center;
  gap: 22px;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.brand:hover {
  text-decoration: none;
}

.mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--violet), var(--teal));
  color: #0a0c14;
  font-size: 17px;
  font-weight: 700;
}

nav.top .links {
  display: flex;
  gap: 4px;
  margin-left: auto;
  flex-wrap: wrap;
}

nav.top .links a {
  padding: 6px 12px;
  border-radius: 8px;
  color: var(--dim);
  font-size: 14.5px;
}

nav.top .links a:hover {
  color: var(--ink);
  background: var(--panel-2);
  text-decoration: none;
}

nav.top .links a.on {
  color: var(--ink);
  background: var(--panel-2);
}

footer.site {
  margin-top: 90px;
  padding: 40px 0 70px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 14px;
}

footer.site .wrap {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: baseline;
}

footer.site .spacer {
  flex: 1;
}

/* ---------------------------------------------------------------- type */

h1,
h2,
h3 {
  letter-spacing: -0.025em;
  line-height: 1.12;
}

h1 {
  font-size: clamp(38px, 5.6vw, 66px);
  margin: 0 0 18px;
}

h2 {
  font-size: clamp(26px, 3.2vw, 38px);
  margin: 0 0 14px;
}

h3 {
  font-size: 20px;
  margin: 0 0 8px;
}

.grad {
  background: linear-gradient(100deg, var(--violet), var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font: 700 12.5px/1 var(--sans);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
}

.eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

.lead {
  font-size: clamp(17px, 2vw, 21px);
  color: var(--dim);
  max-width: 62ch;
  margin: 0 0 26px;
}

.muted {
  color: var(--dim);
}

section {
  padding: 74px 0 0;
}

section.tight {
  padding-top: 46px;
}

.section-head {
  max-width: 68ch;
  margin-bottom: 26px;
}

.section-head p {
  color: var(--dim);
  margin: 0;
}

/* ---------------------------------------------------------------- hero */

.hero {
  position: relative;
  padding: 84px 0 0;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: -200px 0 auto;
  height: 620px;
  background:
    radial-gradient(60% 70% at 20% 0%, color-mix(in srgb, var(--violet) 22%, transparent), transparent 70%),
    radial-gradient(50% 60% at 85% 10%, color-mix(in srgb, var(--teal) 16%, transparent), transparent 70%);
  pointer-events: none;
}

.hero .wrap {
  position: relative;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel);
  color: var(--ink);
  font-weight: 600;
  font-size: 15px;
}

.btn:hover {
  border-color: var(--violet);
  text-decoration: none;
}

.btn.primary {
  border-color: transparent;
  background: linear-gradient(100deg, var(--violet), var(--teal));
  color: #0a0c14;
}

.btn.primary:hover {
  filter: brightness(1.08);
}

.hero-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  color: var(--dim);
}

/* ---------------------------------------------------------------- media */

.shot {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.shot.lift {
  box-shadow: var(--shadow);
}

figure {
  margin: 0;
}

figure.framed {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 13px;
  overflow: hidden;
}

figure.framed .shot {
  border: 0;
  border-radius: 0;
}

figcaption {
  padding: 11px 14px;
  border-top: 1px solid var(--line-soft);
  color: var(--dim);
  font-size: 13.5px;
}

video.demo {
  display: block;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #000;
  box-shadow: var(--shadow);
}

/* ---------------------------------------------------------------- blocks */

pre {
  margin: 0;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  overflow-x: auto;
  font: 13.5px/1.65 var(--mono);
  color: var(--ink);
  tab-size: 2;
}

pre b {
  color: var(--violet);
  font-weight: 600;
}

pre i {
  color: var(--dim);
  font-style: normal;
}

pre em {
  color: var(--teal);
  font-style: normal;
}

.cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 20px;
  align-items: start;
}

.cols.three {
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
}

.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.card h3 {
  display: flex;
  align-items: center;
  gap: 10px;
}

.card .n {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  flex: none;
  border-radius: 7px;
  background: color-mix(in srgb, var(--violet) 20%, transparent);
  color: var(--violet);
  font: 700 13px var(--mono);
}

.card p {
  margin: 0;
  color: var(--dim);
  font-size: 15px;
}

.card p + p {
  margin-top: 10px;
}

.note {
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--teal);
  border-radius: 12px;
  background: var(--panel);
}

.note p {
  margin: 0;
  font-size: 15.5px;
}

.note p + p {
  margin-top: 10px;
}

/* ---------------------------------------------------------------- numbers */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--line);
  overflow: hidden;
}

.stat {
  padding: 22px 18px;
  background: var(--panel);
  text-align: center;
}

.stat b {
  display: block;
  font-size: 30px;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.stat span {
  font-size: 13px;
  color: var(--dim);
}

/* ---------------------------------------------------------------- tables */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

th,
td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}

thead th {
  border-bottom: 1px solid var(--line);
  color: var(--dim);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.table-card {
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--panel);
  overflow: hidden;
}

.table-card th,
.table-card td {
  padding: 12px 18px;
}

td.num {
  font-family: var(--mono);
  font-size: 13.5px;
}

.win {
  color: var(--teal);
  font-weight: 700;
}

/* ---------------------------------------------------------------- tour */

.group {
  padding-top: 54px;
}

.group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.group-head h2 {
  font-size: 24px;
  margin: 0;
}

.group-head p {
  margin: 0;
  color: var(--dim);
  font-size: 14.5px;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(430px, 1fr));
  gap: 20px;
}

/* ---------------------------------------------------------------- misc */

ul.ticks {
  margin: 0;
  padding: 0;
  list-style: none;
}

ul.ticks li {
  position: relative;
  padding: 5px 0 5px 28px;
  color: var(--dim);
  font-size: 15px;
}

ul.ticks li::before {
  content: '✓';
  position: absolute;
  left: 4px;
  color: var(--teal);
  font-weight: 700;
}

.pill {
  display: inline-block;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--dim);
}

.kv {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 8px 20px;
  font-size: 15px;
}

.kv dt {
  color: var(--dim);
}

.kv dd {
  margin: 0;
}

.hash {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-2);
  font: 12px/1.6 var(--mono);
  color: var(--dim);
  word-break: break-all;
}

@media (max-width: 720px) {
  .kv {
    grid-template-columns: 1fr;
    gap: 2px 0;
  }

  .kv dd {
    margin-bottom: 12px;
  }

  nav.top .links a {
    padding: 6px 9px;
    font-size: 13.5px;
  }
}

/* ---------------------------------------------------------------- contact */

.contact {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 42px;
  padding: 44px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    radial-gradient(90% 120% at 0% 0%, color-mix(in srgb, var(--violet) 12%, transparent), transparent 70%),
    var(--panel);
}

.contact h2 {
  margin: 0 0 14px;
  font-size: clamp(28px, 3.4vw, 42px);
}

.contact p {
  margin: 0;
  color: var(--dim);
  max-width: 44ch;
}

.contact .actions {
  margin-top: 24px;
}

.contact-card {
  align-self: start;
  padding: 6px 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg) 55%, var(--panel));
}

.contact-card dl {
  margin: 0;
}

.contact-card dt {
  padding-top: 18px;
  color: var(--dim);
  font-size: 13.5px;
}

.contact-card dd {
  margin: 2px 0 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 16.5px;
  line-height: 1.5;
}

.contact-card dd:last-of-type {
  border-bottom: 0;
  padding-bottom: 6px;
}

.contact-card a {
  color: var(--ink);
}

.contact-card a:hover {
  color: var(--violet);
}

@media (max-width: 860px) {
  .contact {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 30px 24px;
  }
}