@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/InstrumentSans-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/InstrumentSans-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/InstrumentSans-Semibold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/InstrumentSans-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("assets/fonts/GeistMono-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("assets/fonts/GeistMono-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #070707;
  --bg-raise: #111111;
  --paper: #f3efe6;
  --muted: #a39c92;
  --faint: #6f6a63;
  --red: #e10600;
  --line: rgba(243, 239, 230, 0.12);
  --cyan: #2fd3e3;
  --sans: "Instrument Sans", "Avenir Next", "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;
  --nav: 72px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(900px 420px at 80% -10%, rgba(225, 6, 0, 0.18), transparent 60%),
    var(--bg);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-weight: 500; letter-spacing: -0.03em; line-height: 1.05; }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--paper);
  color: var(--bg);
  padding: 8px 12px;
  z-index: 20;
}
.skip:focus { top: 12px; }

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: var(--nav);
  padding: 0 28px;
  background: rgba(7, 7, 7, 0.78);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.01em;
}
.nav-links a:hover,
.nav-links a:focus-visible { color: var(--paper); }
.nav-cta {
  color: var(--paper) !important;
  background: var(--red);
  padding: 8px 14px;
  border-radius: 999px;
}
.nav-cta:hover { filter: brightness(1.08); }
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: end;
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px 28px 40px;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(225, 6, 0, 0.18);
}
h1 {
  font-size: clamp(46px, 6vw, 84px);
  font-weight: 560;
  letter-spacing: -0.045em;
  line-height: 0.96;
}
h1 em {
  font-style: normal;
  color: var(--red);
}
.lede {
  max-width: 58ch;
  margin-top: 24px;
  color: #ddd6ca;
  font-size: 18px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  background: var(--red);
  color: white;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn:focus-visible,
.nav-links a:focus-visible,
.nav-toggle:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.btn-ghost {
  background: transparent;
  color: var(--paper);
  box-shadow: inset 0 0 0 1px var(--line);
}

.spec-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 28px;
  margin: 40px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.spec-strip dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
}
.spec-strip dd { margin: 4px 0 0; }

.hero-device { margin: 0; }
.hero-device figcaption,
.shot figcaption {
  margin-top: 12px;
  color: var(--faint);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.device {
  width: min(100%, 340px);
  margin-left: auto;
  padding: 10px;
  border-radius: 38px;
  background: linear-gradient(180deg, #2a2a2a, #0c0c0c);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 0 80px rgba(225, 6, 0, 0.12);
}
.device img {
  width: 100%;
  border-radius: 30px;
  background: #000;
}

.statement {
  border-block: 1px solid var(--line);
  background: #0c0c0c;
}
.statement p {
  max-width: var(--max);
  margin: 0 auto;
  padding: 36px 28px;
  font-size: clamp(26px, 3vw, 40px);
  letter-spacing: -0.035em;
  line-height: 1.2;
  font-weight: 500;
}
.statement em {
  font-style: normal;
  color: var(--red);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px 28px 20px;
}
.section-tight { padding-top: 72px; }
.section-head { max-width: 760px; margin-bottom: 36px; }
.index {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 14px;
}
h2 {
  font-size: clamp(34px, 4vw, 56px);
  letter-spacing: -0.04em;
}
.section-note {
  margin-top: 16px;
  color: var(--muted);
  max-width: 62ch;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.split p + p { margin-top: 16px; }
.split p { color: #ddd6ca; }

.limits, .rules {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.limits li, .rules li {
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.limits strong, .rules strong {
  display: block;
  color: var(--paper);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.outputs, .modes, .caps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 48px;
}
.outputs article, .modes article, .caps article, .grades article {
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
}
.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 10px;
}
.outputs h3, .modes h3, .caps h3 { font-size: 22px; margin-bottom: 8px; }
.outputs p, .modes p, .caps p, .grades p { color: var(--muted); font-size: 15px; }
.modes, .caps { grid-template-columns: 1fr 1fr; }
.caps { grid-template-columns: repeat(3, 1fr); }

.gallery {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 280px);
  gap: 22px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
}
.shot { margin: 0; scroll-snap-align: start; }
.shot .device { width: 100%; margin: 0; }
.shot img { cursor: zoom-in; }

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px 28px;
}
.steps li { padding-top: 14px; border-top: 1px solid var(--line); }
.steps span {
  font-family: var(--mono);
  color: var(--red);
  font-size: 12px;
  letter-spacing: 0.12em;
}
.steps h3 { margin: 8px 0; font-size: 26px; }
.steps p { color: var(--muted); }

.grades {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.grades h3 {
  font-family: var(--mono);
  font-size: 40px;
  letter-spacing: -0.04em;
  margin-bottom: 10px;
}
.grade-stop { box-shadow: inset 3px 0 0 var(--red); }

.readout {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  padding: 28px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(225, 6, 0, 0.14), transparent 40%),
    #0d0d0d;
  border: 1px solid var(--line);
}
.readout h3 { font-size: 32px; margin: 8px 0 12px; }
.readout p { color: var(--muted); }
.readout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 0;
  align-content: center;
}
.readout-grid dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}
.readout-grid dd {
  margin: 4px 0 0;
  font-family: var(--mono);
  font-size: 22px;
  color: var(--cyan);
}
.rules { margin-top: 28px; }

.practice-card {
  background: #000;
  border-radius: 22px;
  padding: 28px;
  border: 1px solid var(--line);
}
.practice-card img {
  width: 96px;
  height: 96px;
  border-radius: 18px;
  margin-bottom: 18px;
}
.practice-card p { color: var(--muted); }
.engagements {
  margin-top: 28px;
  padding-top: 8px;
}
.engagements ul {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 28px;
}
.engagements li { color: var(--muted); }
.engagements strong { color: var(--paper); }

.contact { padding-bottom: 80px; }
.form {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  max-width: 860px;
}
.form label {
  display: grid;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.span { grid-column: 1 / -1; }
input, select, textarea {
  width: 100%;
  background: #101010;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  letter-spacing: 0;
  text-transform: none;
  font-family: var(--sans);
  font-size: 16px;
}
.form-row {
  display: flex;
  align-items: center;
  gap: 16px;
}
.form-status { color: var(--cyan); font-family: var(--sans); font-size: 15px; letter-spacing: 0; text-transform: none; }
.form-status.is-error { color: var(--red); }
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
button:disabled { opacity: 0.6; cursor: wait; }

.footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer img { border-radius: 10px; }
.footer strong { color: var(--paper); display: block; }
.footer p { margin: 0; }
.footer-meta { font-family: var(--mono); font-size: 12px; letter-spacing: 0.04em; }

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.86);
  display: grid;
  place-items: center;
  padding: 32px;
  z-index: 30;
}
.lightbox img {
  max-height: 92vh;
  width: auto;
  border-radius: 24px;
}
.lightbox button {
  position: absolute;
  top: 18px;
  right: 18px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
}

@media (max-width: 980px) {
  .hero, .split, .readout, .grades, .outputs, .steps, .caps, .engagements ul, .form, .footer {
    grid-template-columns: 1fr;
  }
  .modes { grid-template-columns: 1fr; }
  .hero-device .device { margin: 12px auto 0; }
  .footer-meta { grid-column: 1 / -1; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 28px 22px;
    background: #070707;
    border-bottom: 1px solid var(--line);
    z-index: 2;
  }
  .spec-strip { grid-template-columns: 1fr; }
  .nav-links.is-open { display: flex; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}