/* RaceIn.fo holding site
   Accent colour is signal red, chosen to sit against the monochrome RaceIn.fo wordmark. */

@font-face {
  font-family: "Barlow Condensed";
  src: url("../fonts/barlow-condensed-latin-600-normal.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Barlow Condensed";
  src: url("../fonts/barlow-condensed-latin-700-normal.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Barlow Condensed";
  src: url("../fonts/barlow-condensed-latin-800-normal.woff2") format("woff2");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Barlow";
  src: url("../fonts/barlow-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Barlow";
  src: url("../fonts/barlow-latin-500-normal.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Barlow";
  src: url("../fonts/barlow-latin-600-normal.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #08090c;
  --bg-raised: #101218;
  --bg-panel: #161922;
  --graphite: #1c2029;
  --steel: #2a303c;
  --line: rgba(232, 228, 218, 0.12);
  --line-strong: rgba(232, 228, 218, 0.22);
  --text: #f3f1ea;
  --text-muted: #b4b0a5;
  --text-dim: #8b877c;
  --accent: #dd0000;
  --accent-hot: #ff1a1a;
  --accent-dim: rgba(221, 0, 0, 0.16);
  --housing: #12141a;
  --panel-face: #fff;
  --signal-red: #dd0000;
  --signal-red-bg: #8a0000;
  --signal-amber: #dd0000;
  --signal-amber-bg: #8a0000;
  --signal-white: #f4f1e8;
  --header-h: 4.5rem;
  --wrap: 72rem;
  --radius: 0.35rem;
  --font-display: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", sans-serif;
  --font-body: "Barlow", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --focus: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 0.75rem);
  background: var(--bg);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 0.98rem + 0.3vw, 1.125rem);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  letter-spacing: 0.01em;
}

img,
svg {
  max-width: 100%;
  display: block;
}

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

a:hover {
  color: var(--accent-hot);
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  background: var(--text);
  color: var(--bg-raised);
  font-weight: 600;
  padding: 0.6rem 1rem;
}

.skip-link:focus {
  top: 1rem;
}

.wrap {
  width: min(calc(100% - 2rem), var(--wrap));
  margin-inline: auto;
}

.wrap-wide {
  width: min(calc(100% - 2rem), 82rem);
  margin-inline: auto;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  background: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.header-top-line {
  height: 11px;
  background: var(--bg);
  flex-shrink: 0;
}

.site-header.is-scrolled {
  border-bottom-color: rgba(0, 0, 0, 0.18);
  background: var(--accent);
}

.site-header > .wrap {
  height: var(--header-h);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.brand img {
  width: min(15rem, 46vw);
  height: auto;
}

.wordmark {
  display: inline-block;
  height: 0.92em;
  width: auto;
  max-width: 7.6em;
  margin-inline: 0.1em 0.16em;
  vertical-align: -0.16em;
  object-fit: contain;
}

p > .wordmark:first-child {
  margin-inline-start: 0;
}

.section-index .wordmark {
  height: 1.35em;
  vertical-align: -0.28em;
}

.cockpit-chrome .wordmark {
  height: 1.2em;
  margin: 0 0.25em 0 0;
  vertical-align: -0.28em;
}

.footer-copy .wordmark {
  height: 0.9em;
  vertical-align: -0.18em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav a:not(.btn) {
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-nav a:not(.btn):hover,
.site-nav a:not(.btn):focus-visible {
  color: #fff;
}

.site-nav a:not(.btn):focus-visible {
  outline-color: #fff;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 840px) {
  .nav-links {
    display: flex;
  }
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.35rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.btn:hover,
.btn:focus-visible {
  background: var(--accent-hot);
  border-color: var(--accent-hot);
  color: #fff;
}

.btn:active {
  transform: translateY(1px);
}

.btn-small {
  padding: 0.55rem 0.95rem;
  font-size: 0.82rem;
  white-space: nowrap;
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--accent-dim);
  color: var(--accent-hot);
}

/* Eyebrows and type */

.kicker {
  margin: 0 0 1rem;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.section-index {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.section-index::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
  transform: translateY(-0.15rem);
}

.display {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 0.94;
  text-wrap: balance;
}

.display-xl {
  font-size: clamp(2.6rem, 1.2rem + 6vw, 5.4rem);
}

.display-lg {
  font-size: clamp(2.2rem, 1.1rem + 4vw, 4.2rem);
}

.display-md {
  font-size: clamp(1.8rem, 1.1rem + 2.4vw, 2.8rem);
}

.lede {
  max-width: 40rem;
  color: var(--text-muted);
  font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.25rem);
  line-height: 1.55;
}

.lede-wide {
  max-width: 46rem;
}

hr.rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* Hero */

.hero {
  position: relative;
  overflow: clip;
  padding: 2.5rem 0 4.5rem;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 45% at 80% 30%, rgba(221, 0, 0, 0.08), transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.015) 0%, transparent 42%),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 79px,
      rgba(255, 255, 255, 0.015) 80px
    );
  pointer-events: none;
  z-index: -1;
}

.hero-grid {
  display: grid;
  gap: 2.75rem;
  align-items: center;
}

.hero-copy {
  max-width: 44rem;
}

@media (min-width: 980px) {
  .hero-grid {
    grid-template-columns: minmax(18rem, 1.05fr) minmax(16rem, 0.75fr);
    gap: 3.5rem;
  }

  .hero-copy {
    max-width: none;
  }

  .hero-persist {
    justify-self: end;
    width: min(26rem, 100%);
  }
}

.hero-copy h1 {
  margin-bottom: 1.35rem;
}

.hero-copy .lede {
  margin-bottom: 0.9rem;
}

.hero-copy p:last-of-type {
  margin-bottom: 1.75rem;
}

.hero-status {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 0 0 1.4rem;
  color: var(--text-dim);
  font-size: 0.95rem;
}

.status-pip {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(221, 0, 0, 0.7);
  animation: pip 2.4s ease-out infinite;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
}

.hero-note {
  color: var(--text-dim);
  font-size: 0.92rem;
}

.panel-screen {
  aspect-ratio: 296 / 128;
  width: 100%;
  container-type: inline-size;
  display: grid;
  place-items: center;
  padding: 0.18em 0.28em;
  background: var(--panel-face);
  color: #111;
  border: 1px solid #111;
  overflow: hidden;
}

.panel-msg {
  margin: 0;
  max-width: 100%;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18cqi;
  letter-spacing: 0.04em;
  line-height: 0.9;
  text-align: center;
  text-transform: uppercase;
  color: #111;
  overflow-wrap: break-word;
  hyphens: none;
}

.panel-msg .msg-lead,
.panel-msg .msg-rest,
.panel-msg .msg-small,
.panel-msg .msg-emph,
.panel-msg .race-time-label,
.panel-msg .race-time-clock {
  display: block;
}

.panel-msg .msg-emph {
  font-size: 2em;
  line-height: 0.86;
}

.panel-msg .msg-small {
  font-size: 0.5em;
  line-height: 1;
  letter-spacing: 0.02em;
}

.panel-msg .race-time-label {
  font-size: 0.5em;
  line-height: 1;
  letter-spacing: 0.08em;
}

.panel-msg .race-time-clock {
  font-size: 1em;
  font-variant-numeric: tabular-nums lining-nums;
  font-kerning: none;
  letter-spacing: 0;
  line-height: 0.88;
  margin-inline: auto;
  text-align: center;
  white-space: nowrap;
}

.panel-msg .race-time-ch,
.panel-msg .race-time-sep {
  display: inline-block;
  text-align: center;
}

.panel-msg .race-time-ch {
  width: 0.62em;
}

.panel-msg .race-time-sep {
  width: 0.34em;
}

.dash-message.is-leaving,
.cockpit-msg.is-leaving {
  opacity: 0;
  transform: translateY(-0.35rem);
  transition: opacity 0.28s ease, transform 0.28s ease;
}

.dash-message.is-entering,
.cockpit-msg.is-entering {
  opacity: 0;
  transform: translateY(0.4rem);
}

.dash-message.is-in,
.cockpit-msg.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.32s ease, transform 0.32s ease;
}

/* Sections */

.section {
  padding: 5rem 0;
  border-top: 1px solid var(--line);
}

.section-tight {
  padding: 4.25rem 0;
}

.section-raised {
  background: var(--bg-raised);
}

.section-head {
  max-width: 42rem;
  margin-bottom: 2.5rem;
}

.section-head p {
  margin: 1rem 0 0;
  color: var(--text-muted);
}

/* Problem */

.problem-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 880px) {
  .problem-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
    align-items: center;
  }
}

.problem-copy p {
  color: var(--text-muted);
  max-width: 38rem;
}

.contrast-pair {
  display: grid;
  gap: 1rem;
}

.contrast-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: 1.15rem 1.2rem 1.25rem;
}

.contrast-card h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 700;
}

.waveform {
  display: flex;
  align-items: flex-end;
  gap: 0.28rem;
  height: 4.2rem;
  margin-bottom: 0.7rem;
}

.waveform span {
  flex: 1;
  min-height: 8%;
  background: rgba(180, 176, 165, 0.7);
  transform-origin: bottom;
  transition: height 0.05s linear;
}

.persist-msg {
  margin-bottom: 0;
}

.mini-housing {
  background: var(--housing);
  padding: 0.45rem;
  margin-bottom: 0.7rem;
  border: 1px solid var(--line);
}

.contrast-card > p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

/* Concept */

.concept-stage {
  display: grid;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 900px) {
  .concept-stage {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
  }
}

.concept-stage .section-head {
  max-width: none;
  margin-bottom: 0;
}

.concept-drawing {
  margin: 0;
}

.concept-drawing img {
  width: 100%;
  height: auto;
}

/* Concept pillars */

.pillars {
  display: grid;
  gap: 1rem;
}

@media (min-width: 800px) {
  .pillars {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

.pillar {
  position: relative;
  padding: 1.6rem 1.4rem 1.5rem;
  background: var(--bg);
  border: 1px solid var(--line);
  overflow: hidden;
}

.pillar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
}

.pillar h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--text);
}

.pillar p {
  margin: 0;
  color: var(--text-muted);
}

/* Feature cards */

.features {
  display: grid;
  gap: 1rem;
}

@media (min-width: 700px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1040px) {
  .features {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature {
  padding: 1.45rem 1.3rem 1.4rem;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.feature:hover {
  border-color: var(--line-strong);
}

.feature-icon {
  width: 2.4rem;
  height: 2.4rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.feature h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.feature p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1rem;
}

/* Cockpit display section */

.display-stage {
  display: grid;
  gap: 2rem;
}

@media (min-width: 900px) {
  .display-stage {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: 3rem;
  }
}

.cockpit {
  background: var(--housing);
  border: 1px solid var(--line-strong);
  padding: 1.1rem;
  box-shadow: var(--shadow);
}

.cockpit-chrome {
  display: flex;
  justify-content: space-between;
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 0.7rem;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.legend button {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
}

.legend button.is-active,
.legend button:hover,
.legend button:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
}

.legend button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Suitable for */

.suitable {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: 1fr 1fr;
}

@media (min-width: 800px) {
  .suitable {
    grid-template-columns: repeat(3, 1fr);
  }
}

.suitable li {
  list-style: none;
  padding: 1.1rem 1rem;
  border: 1px solid var(--line);
  background: var(--bg);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.suitable {
  margin: 0;
  padding: 0;
}

.disclaimer {
  margin: 1.5rem 0 0;
  color: var(--text-dim);
  font-size: 0.95rem;
  max-width: 44rem;
}

/* Closing / register */

.closing {
  padding: 5.5rem 0 4rem;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(221, 0, 0, 0.1), transparent 60%),
    var(--bg);
  border-top: 1px solid var(--line);
}

.closing-grid {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 880px) {
  .closing-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
  }
}

.interest {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  padding: 1.4rem;
}

.interest h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.interest > p {
  margin: 0 0 1.1rem;
  color: var(--text-muted);
  font-size: 0.98rem;
}

.form-row {
  display: grid;
  gap: 0.7rem;
  margin-bottom: 0.7rem;
}

@media (min-width: 560px) {
  .form-row.split {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

label {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

input[type="email"],
select {
  width: 100%;
  padding: 0.8rem 0.85rem;
  border: 1px solid var(--line-strong);
  background: #0b0c10;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  border-radius: var(--radius);
}

select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--accent) 50%),
    linear-gradient(135deg, var(--accent) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 12px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

input[type="email"]:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
  margin-top: 0.9rem;
}

.form-status {
  min-height: 1.4rem;
  margin: 0.8rem 0 0;
  font-size: 0.95rem;
  color: var(--accent);
}

.form-status[data-state="error"] {
  color: #f0a0a0;
}

.contact-line {
  margin: 1rem 0 0;
  color: var(--text-dim);
  font-size: 0.92rem;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.4rem 0 1.8rem;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.5rem;
  justify-content: space-between;
  align-items: center;
}

.footer-brand img {
  width: 8.5rem;
  height: auto;
  opacity: 0.85;
}

.footer-ref {
  margin: 0.9rem 0 0;
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--bg);
  min-height: 1.1em;
}

/* Reveal */

.reveal {
  /* Visible by default so content never depends on IntersectionObserver. */
}

@media (prefers-reduced-motion: no-preference) {
  .reveal.is-visible {
    animation: rise 0.7s ease both;
  }
}

/* Animations */

@keyframes pip {
  0% { box-shadow: 0 0 0 0 rgba(221, 0, 0, 0.55); }
  100% { box-shadow: 0 0 0 0.7rem rgba(221, 0, 0, 0); }
}

@keyframes rise {
  from {
    opacity: 0.35;
    transform: translateY(0.8rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

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

  .status-pip,
  .waveform span,
  .pulse,
  .dash-message,
  .cockpit-msg,
  .reveal.is-visible {
    animation: none !important;
    transition: none !important;
    opacity: 1;
    transform: none;
    stroke-dashoffset: 0;
  }

  .waveform span {
    opacity: 0.7;
    transform: none;
    height: 50%;
  }
}

@media print {
  .site-header,
  .interest,
  .site-nav {
    break-inside: avoid;
  }

  body {
    background: #fff;
    color: #111;
  }
}

@media (max-width: 639px) {
  .section {
    padding: 3.5rem 0;
  }

  .hero {
    padding-top: 1.6rem;
  }

  .header-inner {
    gap: 0.75rem;
  }

  .btn-small {
    padding: 0.48rem 0.7rem;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
  }

  .suitable {
    grid-template-columns: 1fr;
  }
}