/* Tilt Rush website: one stylesheet for every page. Colors and type match the game. */

@font-face {
  font-family: "Big Shoulders Display";
  src: url("/fonts/big-shoulders-display-900.woff2") format("woff2");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/jetbrains-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/jetbrains-mono-700.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --ground: #0E0F12;
  --surface: #16171C;
  --surface-high: #1F2127;
  --ink: #F2F1EC;
  --soft: #A9AAB1;
  --dim: #8A8B92;
  --line: rgba(242, 241, 236, 0.18);
  --line-soft: rgba(242, 241, 236, 0.09);
  --cruise: #45E3FF;
  --rush: #B8FF3D;
  --burn: #FF9F1C;
  --redline: #FF3D5A;
  --overdrive: #B07CFF;
  --accent: var(--cruise);
  --display: "Big Shoulders Display", "Arial Narrow", "Roboto Condensed", Impact, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --gutter: clamp(16px, 4vw, 40px);
  --max: 1160px;
  --fade: 0.6s ease;
}

/* ---- Base --------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: var(--ground);
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--ground);
  color: var(--ink);
  font: 500 15px/1.7 var(--mono);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

main { flex: 1 0 auto; }
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }
p { margin: 0 0 1em; }
h1, h2, h3 { margin: 0; font-weight: 900; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 6px;
}

::selection { background: var(--accent); color: var(--ground); }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 20;
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--ink);
  color: var(--ground);
  font-weight: 700;
  text-decoration: none;
}
.skip:focus { top: 12px; }

/* ---- Labels and small parts --------------------------------------------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  font: 700 12px/1.3 var(--mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
}
.eyebrow::before {
  content: "";
  flex: none;
  width: 22px;
  height: 4px;
  border-radius: 2px;
  background: var(--accent);
  transition: background-color var(--fade);
}

.dashes {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
}
.dashes i {
  display: block;
  width: 24px;
  height: 6px;
  border-radius: 3px;
  background: var(--c);
  opacity: 0.28;
  transition: opacity 0.5s ease, width 0.5s ease;
}
.dashes i:nth-child(1) { --c: var(--cruise); }
.dashes i:nth-child(2) { --c: var(--rush); }
.dashes i:nth-child(3) { --c: var(--burn); }
.dashes i:nth-child(4) { --c: var(--redline); }
.dashes i:nth-child(5) { --c: var(--overdrive); }
.dashes i.on { opacity: 1; width: 44px; }
.dashes--all i { opacity: 1; width: 18px; height: 5px; }

/* ---- Header -------------------------------------------------------------- */

.top { position: relative; z-index: 5; }

.top__in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font: 700 13px/1 var(--mono);
  letter-spacing: 0.2em;
  text-decoration: none;
  white-space: nowrap;
}
.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  box-shadow: 0 0 0 1px var(--line-soft);
}

.nav { display: flex; gap: clamp(18px, 3vw, 34px); }

.nav a,
.foot nav a {
  padding: 10px 0;
  font: 700 12px/1 var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--dim);
  transition: color 0.2s ease;
}
.nav a:hover,
.foot nav a:hover,
.nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 9px;
}

/* ---- Buttons --------------------------------------------------------------- */

.store {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  height: 66px;
  padding: 0 30px;
  border-radius: 16px;
  background: var(--ink);
  color: var(--ground);
  text-align: left;
  text-decoration: none;
  box-shadow: 0 14px 34px -16px rgba(242, 241, 236, 0.45);
  transition: transform 0.15s ease, box-shadow 0.2s ease;
}
.store__top {
  font: 700 10.5px/1 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.store__main {
  font: 900 31px/0.86 var(--display);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
a.store[href]:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -16px rgba(242, 241, 236, 0.55); }
a.store[href]:active { transform: translateY(0) scale(0.98); }
.store.is-soon {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--line);
  cursor: default;
}
.store.is-soon .store__top { color: var(--dim); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  height: 58px;
  padding: 0 28px;
  border-radius: 14px;
  background: var(--ink);
  color: var(--ground);
  font: 900 25px/1 var(--display);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn svg { width: 20px; height: 20px; }

.textlink {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  font: 700 12px/1 var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
}
.textlink::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: translateY(-3px) rotate(45deg);
  transition: transform 0.2s ease, border-color var(--fade);
}
.textlink:hover::after { transform: translateY(0) rotate(45deg); }

/* ---- Hero ------------------------------------------------------------------ */

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(8px, 3vw, 36px) 0 clamp(72px, 9vw, 120px);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("/img/streaks.svg") center top / 1400px auto repeat;
  -webkit-mask-image: linear-gradient(#000 30%, transparent 95%);
  mask-image: linear-gradient(#000 30%, transparent 95%);
  pointer-events: none;
}

.hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  align-items: center;
  gap: clamp(32px, 6vw, 96px);
}

.hero__copy { max-width: 580px; }

.wordmark {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  margin: 6px 0 34px 0.04em;
  font: 900 clamp(108px, min(14vw, 19vh), 188px)/0.8 var(--display);
  letter-spacing: -0.005em;
  text-transform: uppercase;
  transform: rotate(-7deg);
}
.wordmark span { display: block; }
.wordmark .rush { color: var(--accent); transition: color var(--fade); }

.tagline {
  margin: 0 0 18px;
  font: 700 13px/1.5 var(--mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.tagline span { white-space: nowrap; }
.tagline .sep { white-space: pre-wrap; }

.hero .dashes { margin-bottom: 30px; }

.lede {
  max-width: 31em;
  margin-bottom: 34px;
  font-size: 16px;
  color: var(--soft);
}

.cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 30px;
}

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  font: 700 11px/1.4 var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
}
.facts li { display: flex; align-items: center; gap: 9px; }
.facts li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 1.5px;
  background: var(--accent);
  transform: rotate(45deg);
  transition: background-color var(--fade);
}

.hero__demo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.phone {
  position: relative;
  width: min(330px, 78vw, 35vh);
  min-width: 220px;
  aspect-ratio: 390 / 844;
  padding: 10px;
  border-radius: 52px;
  background: linear-gradient(155deg, #2B2D34 0%, #16171B 42%, #0B0C0E 100%);
  box-shadow: inset 0 0 0 1px rgba(242, 241, 236, 0.12), 0 40px 80px -30px rgba(0, 0, 0, 0.9);
  transition: box-shadow var(--fade);
}
@supports (color: color-mix(in srgb, red 50%, blue)) {
  .phone {
    box-shadow:
      inset 0 0 0 1px rgba(242, 241, 236, 0.12),
      0 60px 130px -46px color-mix(in srgb, var(--accent) 60%, transparent),
      0 40px 80px -30px rgba(0, 0, 0, 0.9);
  }
}
.phone__screen {
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 42px;
  background: var(--ground);
}
.phone canvas { width: 100%; height: 100%; }

.demo-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--dim);
  font: 700 11px/1 var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.2s ease;
}
.demo-toggle:hover { color: var(--ink); }
.demo-toggle__icon {
  width: 10px;
  height: 11px;
  border-left: 3px solid currentColor;
  border-right: 3px solid currentColor;
}
.demo-toggle.is-paused .demo-toggle__icon {
  border: 0;
  background: currentColor;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

/* ---- Sections ---------------------------------------------------------------- */

.section {
  padding: clamp(72px, 10vw, 128px) 0;
  border-top: 1px solid var(--line-soft);
}

.title {
  max-width: 13em;
  margin: 0 0 clamp(40px, 5.5vw, 68px);
  font: 900 clamp(50px, 7.6vw, 96px)/0.88 var(--display);
  letter-spacing: 0.005em;
  text-transform: uppercase;
  text-wrap: balance;
}
.nowrap { white-space: nowrap; }

/* How it plays */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 56px);
  margin: 0;
  padding: 0;
  list-style: none;
}
.steps li {
  padding-top: 24px;
  border-top: 2px solid var(--line);
}
.steps svg {
  width: 108px;
  height: 72px;
  margin: 6px 0 26px;
  color: var(--accent);
  transition: color var(--fade);
}
.steps__n {
  display: block;
  margin-bottom: 12px;
  font: 700 12px/1 var(--mono);
  letter-spacing: 0.2em;
  color: var(--accent);
  transition: color var(--fade);
}
.steps h3 {
  margin-bottom: 14px;
  font: 900 46px/0.9 var(--display);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.steps p { margin: 0; color: var(--soft); }

/* Zones */
.zones {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: end;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.zone {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 210px;
  padding: 26px 20px 22px;
  overflow: hidden;
  border-radius: 18px;
  background: var(--surface);
}
.zone::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: var(--c);
}
.zone:nth-child(1) { --c: var(--cruise); }
.zone:nth-child(2) { --c: var(--rush); min-height: 240px; }
.zone:nth-child(3) { --c: var(--burn); min-height: 270px; }
.zone:nth-child(4) { --c: var(--redline); min-height: 300px; }
.zone:nth-child(5) { --c: var(--overdrive); min-height: 330px; }
.zone__num,
.zone__from {
  font: 700 11px/1.3 var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
}
.zone__name {
  margin-top: 10px;
  font: 900 clamp(24px, 2.6vw, 34px)/0.9 var(--display);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--c);
}
.zone__speed {
  margin-top: auto;
  padding-top: 24px;
  font: 900 clamp(48px, 5.4vw, 66px)/0.85 var(--display);
  letter-spacing: 0.01em;
}
.zone__from { margin-top: 12px; }

.note {
  margin: 26px 0 0;
  color: var(--dim);
  font-size: 13.5px;
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.feature {
  padding: 30px 28px 32px;
  border: 1px solid var(--line-soft);
  border-radius: 20px;
  background: var(--surface);
}
.feature svg {
  width: 40px;
  height: 40px;
  margin-bottom: 28px;
  color: var(--accent);
  transition: color var(--fade);
}
.feature h3 {
  margin-bottom: 12px;
  font: 700 14px/1.4 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.feature p { margin: 0; color: var(--soft); }
.feature a {
  color: var(--ink);
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

/* Closing call to action */
.final { text-align: center; }
.final__in { display: flex; flex-direction: column; align-items: center; }
.final .title { margin-inline: auto; margin-bottom: 22px; }
.final .lede { margin-inline: auto; }
.final .dashes { margin-top: 44px; }

/* ---- Footer ------------------------------------------------------------------------ */

.foot {
  padding: 38px 0 46px;
  border-top: 1px solid var(--line-soft);
}
.foot__in {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 22px 36px;
}
.foot__brand { display: flex; align-items: center; gap: 22px; }
.foot nav { display: flex; gap: 26px; }
.foot__copy {
  margin: 0;
  font: 500 12px/1.4 var(--mono);
  letter-spacing: 0.06em;
  color: var(--dim);
}

/* ---- Privacy and support pages --------------------------------------------------- */

.doc { padding: clamp(36px, 6vw, 80px) 0 clamp(72px, 10vw, 120px); }
.doc__in { max-width: 780px; margin-inline: auto; }

.doc h1 {
  margin: 0 0 20px;
  font: 900 clamp(66px, 12vw, 124px)/0.85 var(--display);
  letter-spacing: 0.005em;
  text-transform: uppercase;
}
.doc__meta {
  margin: 0 0 44px;
  font: 700 12px/1.4 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}
.doc__intro {
  max-width: 36em;
  margin: -16px 0 40px;
  font-size: 16px;
  color: var(--soft);
}
:where(.doc) h2 {
  margin: 54px 0 14px;
  font: 900 34px/1 var(--display);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
:where(.doc) p,
:where(.doc) li { color: var(--soft); }
.doc ul { margin: 0 0 1em; padding-left: 1.3em; }
.doc li { margin-bottom: 0.35em; }
.doc li::marker { color: var(--accent); }
.doc strong { color: var(--ink); font-weight: 700; }
.doc a:not(.btn) {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  overflow-wrap: anywhere;
}
.doc a:not(.btn):hover { color: var(--accent); }

.callout {
  position: relative;
  margin: 0;
  padding: 24px 26px 26px 30px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  background: var(--surface);
}
.callout::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--accent);
}
.callout .eyebrow { margin-bottom: 12px; }
.callout .eyebrow::before { display: none; }
.callout p:not(.eyebrow) { margin: 0; color: var(--ink); font-size: 16px; }

.contact {
  display: grid;
  gap: 18px;
  justify-items: start;
  margin: 0 0 12px;
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--line-soft);
  border-radius: 22px;
  background: var(--surface);
}
.contact .eyebrow { margin: 0; }
.contact__addr {
  margin: 0;
  font: 700 clamp(17px, 2.8vw, 23px)/1.35 var(--mono);
  overflow-wrap: anywhere;
}
.doc .contact__addr a { text-decoration: none; }
.contact__note { margin: 0; font-size: 13.5px; color: var(--dim); }

.faq-title {
  margin: 56px 0 6px;
  font: 700 12px/1.3 var(--mono);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.faq { border-top: 1px solid var(--line-soft); }
.faq details { border-bottom: 1px solid var(--line-soft); }
.faq summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  font: 700 15px/1.55 var(--mono);
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  background:
    linear-gradient(var(--accent), var(--accent)) center / 100% 2px no-repeat,
    linear-gradient(var(--accent), var(--accent)) center / 2px 100% no-repeat;
  transition: transform 0.25s ease;
}
.faq details[open] > summary::after { transform: rotate(45deg); }
.faq__a { padding: 0 34px 22px 0; margin-top: -6px; }
.faq__a p { margin: 0 0 0.8em; }
.faq__a p:last-child { margin: 0; }

/* ---- 404 ---------------------------------------------------------------------------- */

.lost {
  padding: clamp(40px, 9vw, 110px) 0 clamp(72px, 10vw, 120px);
  text-align: center;
}
.lost__in { display: flex; flex-direction: column; align-items: center; }
.lost__scene {
  position: relative;
  width: min(440px, 100%);
  height: 96px;
  margin-bottom: 40px;
}
.lost__wall {
  position: absolute;
  inset: 18px 0 auto 0;
  height: 18px;
  border-radius: 9px;
  background: var(--ink);
}
.lost__ball {
  position: absolute;
  left: 50%;
  top: 52px;
  width: 30px;
  height: 30px;
  margin-left: -15px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(69, 227, 255, 0.14), 0 0 32px rgba(69, 227, 255, 0.55);
}
.lost__code {
  display: inline-block;
  margin: 0 0 8px;
  font: 900 clamp(120px, 24vw, 230px)/0.8 var(--display);
  color: var(--accent);
  transform: rotate(-7deg);
}
.lost h1 {
  margin: 30px 0 14px;
  font: 900 clamp(42px, 7vw, 76px)/0.9 var(--display);
  text-transform: uppercase;
}
.lost p { max-width: 28em; margin: 0 auto 34px; color: var(--soft); }
.lost .lost__code { max-width: none; margin: 0 0 8px; color: var(--accent); }

/* ---- Smaller screens ------------------------------------------------------------- */

@media (max-width: 960px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); }
  .hero__copy {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: none;
    text-align: center;
  }
  .hero .eyebrow { justify-content: center; }
  .wordmark { margin-left: 0; }
  .lede { margin-inline: auto; }
  .cta, .facts { justify-content: center; }

  .zones { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .zone,
  .zone:nth-child(n) {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas: "num speed" "name speed" "from speed";
    align-items: center;
    min-height: 0;
    padding: 18px 22px 18px 28px;
  }
  .zone::before { inset: 0 auto 0 0; width: 5px; height: auto; }
  .zone__num { grid-area: num; }
  .zone__name { grid-area: name; margin-top: 6px; font-size: 30px; }
  .zone__from { grid-area: from; margin-top: 8px; }
  .zone__speed { grid-area: speed; margin: 0; padding: 0 0 0 16px; font-size: 54px; }
}

@media (max-width: 760px) {
  .steps { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .features { grid-template-columns: minmax(0, 1fr); }
  .foot__in { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  .tagline span { display: block; }
  .tagline .sep { display: none; }
}

@media (max-width: 360px) {
  .eyebrow { font-size: 11px; letter-spacing: 0.14em; }
}

@media (max-width: 420px) {
  body { font-size: 14.5px; }
  .brand { gap: 10px; font-size: 12px; letter-spacing: 0.16em; }
  .brand img { width: 28px; height: 28px; border-radius: 7px; }
  .nav { gap: 16px; }
  .nav a { font-size: 11px; letter-spacing: 0.14em; }
  .store { width: 100%; align-items: center; text-align: center; }
  .cta { width: 100%; flex-direction: column; gap: 10px; }
  .faq__a { padding-right: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}