/*
 * The MuW site. Every colour is declared once, here, and mirrors the app's
 * `apps/mobile/src/theme/tokens.ts`: change a colour there, change it here.
 * Lighter and fainter tones are mixed from these, never written by hand.
 */
:root {
  --accent: #ffd02b;
  --on-accent: #0a0a0b;
  --background: #0a0a0b;
  --surface: #141416;
  --surface-raised: #2b2b31;
  --border: #3d3d44;
  --border-strong: #74747e;
  --text: #f5f5f4;
  --text-muted: #9b9b9f;
  --signal: #4dd2ff;
  --water: #101f29;
  --water-line: #1d3c4e;
  --tee-white: #f5f5f4;
  --tee-edge: color-mix(in srgb, var(--text) 14%, transparent);

  --glow: color-mix(in srgb, var(--accent) 55%, transparent);
  --grid: color-mix(in srgb, var(--text) 5%, transparent);
  --panel: color-mix(in srgb, var(--surface) 78%, transparent);

  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --radius-md: 12px;
  --radius-lg: 18px;
  --page: 1160px;
  --gutter: clamp(16px, 4vw, 32px);

  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* The map grid and two far lights behind everything. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(
      55% 45% at 85% 0%,
      color-mix(in srgb, var(--accent) 13%, transparent),
      transparent 70%
    ),
    radial-gradient(
      45% 40% at 0% 55%,
      color-mix(in srgb, var(--signal) 7%, transparent),
      transparent 70%
    ),
    linear-gradient(var(--grid) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0 / 56px 56px;
}

h1,
h2,
h3,
p,
ul,
ol {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

h1 {
  font-size: clamp(2.5rem, 6.4vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.04em;
  font-weight: 800;
  text-wrap: balance;
}

h1 em {
  font-style: normal;
  color: var(--accent);
  text-shadow: 0 0 34px var(--glow);
}

h2 {
  font-size: clamp(1.9rem, 4.2vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 800;
  text-wrap: balance;
}

h3 {
  font-size: 1.1rem;
  line-height: 1.25;
  font-weight: 700;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

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

.skip {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 10;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 700;
  border-radius: var(--radius-md);
}

.skip:focus {
  top: 12px;
}

/* Small technical labels: section numbers, readouts, tags. */
.eyebrow,
.console__bar,
.chip,
.fact,
.step__number,
.post__sport,
.post__facts,
.button--soon {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.74rem;
  font-weight: 600;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--accent);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  box-shadow: 0 0 8px var(--glow);
}

/* Layout */

.top,
main > section,
.foot {
  width: min(100%, var(--page));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 22px;
}

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

.top__mark {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  box-shadow: 0 0 22px -4px var(--glow);
}

.top__word {
  height: 22px;
  width: auto;
}

.top__nav {
  display: flex;
  gap: clamp(14px, 3vw, 30px);
  font-weight: 600;
  font-size: 0.92rem;
}

.top__nav a {
  text-decoration: none;
  color: var(--text-muted);
  padding-block: 10px;
}

.top__nav a:hover {
  color: var(--text);
}

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  white-space: nowrap;
}

.button--primary {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent),
    0 10px 36px -8px var(--glow);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

.button--primary:hover {
  transform: translateY(-1px);
  box-shadow:
    0 0 0 1px var(--accent),
    0 14px 44px -8px var(--glow);
}

.button--soon {
  border: 1px dashed var(--border-strong);
  color: var(--text-muted);
}

/* Choices: sport, shape, distance, filter */

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 70%, transparent);
  color: var(--text-muted);
  cursor: pointer;
  transition:
    color 0.15s ease,
    border-color 0.15s ease,
    background-color 0.15s ease;
}

.chip:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.chip[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 0 22px -6px var(--glow);
}

.chips--sport .chip {
  min-height: 48px;
  padding: 0 26px;
  font-size: 0.84rem;
}

/* Hero */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  padding-block: clamp(28px, 6vw, 80px) clamp(48px, 8vw, 104px);
}

.hero__lead {
  margin-top: 24px;
  max-width: 33em;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--text-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 34px;
}

/* The «Try it» panel */

.console {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--panel);
  backdrop-filter: blur(10px);
  box-shadow: 0 30px 90px -40px var(--glow);
}

/* Two lit corners, as on a viewfinder. */
.console::before,
.console::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 2px solid var(--accent);
  pointer-events: none;
  filter: drop-shadow(0 0 6px var(--glow));
}

.console::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
  border-top-left-radius: 22px;
}

.console::after {
  right: -1px;
  bottom: -1px;
  border-left: 0;
  border-top: 0;
  border-bottom-right-radius: 22px;
}

.console__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}

.console__name {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--accent);
}

.console__name::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

.console__readout {
  color: var(--text);
  text-align: right;
}

.console__screen {
  padding: clamp(8px, 2vw, 18px);
  background:
    radial-gradient(
      circle at 50% 50%,
      color-mix(in srgb, var(--accent) 9%, transparent),
      transparent 62%
    ),
    linear-gradient(var(--grid) 1px, transparent 1px) 50% 50% / 28px 28px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 50% 50% / 28px 28px;
}

.console__controls {
  display: grid;
  gap: 10px;
  padding: 16px 20px 20px;
  border-top: 1px solid var(--border);
}

.hero__drawing {
  width: 100%;
  max-height: 46vh;
  filter: drop-shadow(0 0 9px var(--glow));
}

/* The line is whole unless the animation runs: it only starts hidden. */
.hero__line,
.drawing__line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 13;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero__line {
  stroke-dasharray: 1;
  animation: draw-route 2.6s ease-in-out 0.2s backwards;
}

.hero__start,
.drawing__start {
  fill: var(--accent);
}

@keyframes draw-route {
  from {
    stroke-dashoffset: 1;
  }
}

@keyframes pulse {
  50% {
    opacity: 0.35;
  }
}

/* Sections */

.band {
  padding-block: clamp(48px, 8vw, 104px);
  border-top: 1px solid color-mix(in srgb, var(--border) 60%, transparent);
}

.band__lead {
  margin-top: 16px;
  max-width: 38em;
  color: var(--text-muted);
  font-size: 1.1rem;
}

.band > .chips {
  margin-top: 30px;
}

/* How it works */

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 22px;
  color: var(--text-muted);
}

.fact {
  display: flex;
  align-items: center;
  gap: 9px;
}

.fact::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--signal);
  box-shadow: 0 0 8px var(--signal);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.step,
.page {
  position: relative;
  padding: 24px 22px 26px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
}

.step {
  overflow: hidden;
}

/* A lit edge on top of each step. */
.step::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 70%);
}

.step__number {
  display: block;
  margin-bottom: 22px;
  color: var(--accent);
  font-size: 0.82rem;
}

.step p,
.page p {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.97rem;
}

.pages {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.page {
  background: transparent;
  border-style: dashed;
}

.page h3 {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.84rem;
  color: var(--text);
}

/* Best drawings */

.posts {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.post {
  padding: 10px 10px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition:
    border-color 0.15s ease,
    transform 0.15s ease;
}

.post:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.post__screen {
  position: relative;
  padding: 10px;
  border-radius: 12px;
  background:
    linear-gradient(var(--grid) 1px, transparent 1px) 50% 50% / 20px 20px,
    linear-gradient(90deg, var(--grid) 1px, transparent 1px) 50% 50% / 20px 20px,
    var(--surface);
}

/* A paddled drawing sits on water. */
.post--paddle .post__screen {
  background:
    radial-gradient(circle at 50% 50%, var(--water-line), transparent 75%), var(--water);
}

.post .drawing {
  filter: drop-shadow(0 0 5px var(--glow));
}

.post .drawing__line {
  stroke-width: 20;
}

.post__sport {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 3px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--background) 72%, transparent);
  color: var(--text);
  font-size: 0.62rem;
}

.post--paddle .post__sport {
  color: var(--signal);
}

.post__title {
  margin-top: 14px;
  padding-inline: 6px;
  font-size: 1rem;
}

.post__facts {
  margin-top: 6px;
  padding-inline: 6px;
  color: var(--text-muted);
  font-size: 0.68rem;
}

/* Get the app */

.band--get {
  display: grid;
  justify-items: start;
}

.band--get [data-download] {
  margin-top: 28px;
}

/* Footer */

.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  padding-block: 32px 48px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.foot img {
  height: 24px;
  width: 24px;
  border-radius: 6px;
}

/* Narrower screens */

@media (max-width: 1000px) {
  .steps,
  .pages {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .posts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .top__nav a:not(:last-child) {
    display: none;
  }

  .pages {
    grid-template-columns: minmax(0, 1fr);
  }

  .posts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 460px) {
  .steps {
    grid-template-columns: minmax(0, 1fr);
  }
}

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

  .hero__line,
  .console__name::before {
    animation: none;
  }

  .button--primary,
  .chip,
  .post {
    transition: none;
  }
}