/* ==========================================================================
   f1page — the championship order as a descent
   Type:  Chakra Petch (display) / IBM Plex Mono (data) / IBM Plex Sans (body)
   Base:  cool near-black instrument panel; team colour is the only chroma.
   ========================================================================== */

@property --accent {
  syntax: '<color>';
  inherits: true;
  initial-value: #7A8698;
}

:root {
  --void: #08090b;
  --carbon: #0e1116;
  --line: rgba(255, 255, 255, 0.09);
  --line-bright: rgba(255, 255, 255, 0.18);
  --text: #eaedf2;
  --dim: #8b95a8;
  --dimmer: #737f96;

  /* Team colours are chosen for the car, not for legibility — Ferrari red and
     Red Bull blue both land under 4.5:1 as small text on this background. Any
     accent-coloured text uses this lightened mix instead; the raw accent is
     reserved for large display type and graphics, which only need 3:1. */
  --accent-ink: #cfd6e2;
  --accent-ink: color-mix(in srgb, var(--accent) 72%, #ffffff);

  --display: 'Chakra Petch', system-ui, sans-serif;
  --data: 'IBM Plex Mono', ui-monospace, monospace;
  --body: 'IBM Plex Sans', system-ui, sans-serif;

  --rail-w: 4.5rem;
  --pad: clamp(1.25rem, 5vw, 5.5rem);
}

/* Reduced-motion visitors get the colour change as a CSS transition instead of
   a scroll-scrubbed one, so the page still shifts but never tracks the wheel. */
:root.rm {
  transition: --accent 500ms linear;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--void);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  /* Slashed zero reads as an instrument readout. Only the mono figures carry
     digits, so applying it here is effectively scoped to them. */
  font-feature-settings: 'zero' 1;
}

h1,
h2,
h3 {
  margin: 0;
  font-weight: 700;
}

/* Most paragraphs here sit in grid or flex containers that own their spacing.
   Leaving the UA margins on makes every gap the sum of two rules. */
p {
  margin: 0;
}

a {
  color: inherit;
}

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

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--carbon);
  font-family: var(--data);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.skip:focus {
  left: 0;
}

/* --- ambient background: one fixed layer, tinted by the live accent -------- */

.bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  /* Capped at 12%: past that the wash lifts the background enough to push the
     small metadata text under 4.5:1 on the brighter team colours. */
  background:
    radial-gradient(120vw 90vh at 78% 18%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 62%),
    radial-gradient(90vw 70vh at 8% 92%, color-mix(in srgb, var(--accent) 6%, transparent), transparent 60%),
    var(--void);
}

/* Fine horizontal scanlines: an instrument-panel texture, not a decoration
   contest — barely visible, and gone entirely on coarse pointers. */
.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.022) 0 1px,
    transparent 1px 3px
  );
}

/* --- the descent gauge: fixed rail marking every position ----------------- */

.rail {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--rail-w);
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  pointer-events: none;
  border-right: 1px solid var(--line);
  background: linear-gradient(to right, rgba(8, 9, 11, 0.94), rgba(8, 9, 11, 0.4));
}

/* Reads the points you are standing on. Tabular figures so the digits do not
   shuffle sideways while it counts down. */
.altimeter {
  position: absolute;
  top: 1.4rem;
  left: 0;
  right: 0;
  text-align: center;
  font-family: var(--data);
  line-height: 1.1;
}

.altimeter b {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--accent-ink);
}

.altimeter small {
  display: block;
  font-size: 0.5rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
}

.rail-tick {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--data);
  font-size: 0.6rem;
  color: var(--dimmer);
}

.rail-tick::after {
  content: '';
  width: 0.7rem;
  height: 1px;
  background: currentColor;
  transition: width 250ms ease, background 250ms ease;
}

.rail-tick.is-live {
  color: var(--accent-ink);
}

.rail-tick.is-live::after {
  width: 1.5rem;
}

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

.hero {
  min-height: 100svh;
  padding: clamp(3rem, 9vh, 7rem) var(--pad) 3rem calc(var(--rail-w) + var(--pad));
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 2rem;
}

.eyebrow {
  font-family: var(--data);
  font-size: clamp(0.62rem, 1.4vw, 0.72rem);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--dim);
}

.hero-mid {
  align-self: center;
  max-width: 62rem;
}

.hero h1 {
  font-family: var(--display);
  font-size: clamp(3.6rem, 17vw, 15rem);
  line-height: 0.82;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  margin: 0 0 1.75rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  max-width: 34rem;
  font-size: clamp(1rem, 2.1vw, 1.2rem);
  line-height: 1.6;
  color: #b7c0cf;
  margin: 0;
}

.hero-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.next-race {
  display: grid;
  gap: 0.35rem;
}

.next-race-name {
  font-family: var(--display);
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.next-race-when {
  font-family: var(--data);
  font-size: 0.8rem;
  color: var(--accent-ink);
}

.next-race-where {
  font-family: var(--data);
  font-size: 0.72rem;
  color: var(--dim);
}

.scroll-cue {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--data);
  font-size: 0.66rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--dim);
}

.scroll-cue span {
  display: block;
  width: 1px;
  height: 3rem;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

/* --- team section --------------------------------------------------------- */

.team {
  min-height: 100svh;
  display: grid;
  align-content: center;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  padding: 6rem var(--pad) 6rem calc(var(--rail-w) + var(--pad));
}

.team-pos {
  font-family: var(--data);
  font-weight: 600;
  font-size: clamp(6rem, 22vw, 20rem);
  line-height: 0.78;
  letter-spacing: -0.06em;
  color: var(--accent);
  justify-self: end;
  align-self: center;
}

.team-body {
  display: grid;
  gap: 1.6rem;
  align-content: center;
  min-width: 0;
}

.team-name {
  font-family: var(--display);
  font-size: clamp(2.1rem, 7.5vw, 5.4rem);
  line-height: 0.92;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: clamp(0.6rem, 1.6vw, 1.1rem);
}

/* Original geometric mark, not a team logo — see lib/marks.js. Sized off the
   heading so it stays locked to the type at every breakpoint. */
.mark {
  flex: none;
  width: 0.82em;
  height: 0.82em;
  color: var(--accent);
}

.team-meta {
  font-family: var(--data);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
}

.team-points {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-family: var(--data);
  font-weight: 500;
}

.team-points b {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
}

.team-points i {
  font-style: normal;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--dim);
}

/* --- season trace: this team's rank against the rest of the field ---------- */

.trace {
  margin: 0;
  max-width: 22rem;
}

/* Scales uniformly. Stretching the viewBox to a fixed height would turn the
   endpoint dot into an ellipse and thin the strokes unevenly. */
.trace svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

.trace-end {
  font-family: var(--data);
  font-size: 11px;
  font-weight: 600;
  fill: var(--accent-ink);
}

.trace figcaption {
  margin-top: 0.4rem;
  font-family: var(--data);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--dim);
}

.drivers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1rem, 2.5vw, 2rem);
  max-width: 40rem;
}

.driver {
  display: grid;
  gap: 0.7rem;
  flex: 1 1 9rem;
  min-width: 0;
  max-width: 13rem;
}

/* Wikimedia portraits arrive with every possible background, crop and colour
   temperature. Flattening them to a single team-coloured duotone is what makes
   a set of unrelated snapshots read as one deliberate system. */
.driver-shot {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #14181f;
  border: 1px solid var(--line);
  isolation: isolate;
  /* So the racing number can size off the photo instead of off the root. A
     fixed rem size swamps the card once the column narrows. */
  container-type: inline-size;
}

.driver-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 18%;
  display: block;
  filter: grayscale(1) contrast(1.08) brightness(0.95);
}

.driver-shot::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  mix-blend-mode: color;
  pointer-events: none;
}

/* Keeps the face readable where the racing number sits over it. */
.driver-shot::before {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 46%;
  z-index: 2;
  background: linear-gradient(to top, rgba(4, 5, 7, 0.92), transparent);
  pointer-events: none;
}

.driver-shot.is-empty {
  display: grid;
  place-items: center;
}

.driver-initials {
  font-family: var(--display);
  font-size: 2.4rem;
  color: var(--dimmer);
  letter-spacing: 0.02em;
}

/* The car number — authentic F1 furniture, and nothing anyone owns. */
.driver-no {
  position: absolute;
  left: 5cqi;
  bottom: 2cqi;
  z-index: 3;
  font-family: var(--data);
  font-weight: 600;
  font-size: 20cqi;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--text);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.8);
}

.driver-id {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.driver-code {
  font-family: var(--data);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--accent-ink);
}

.driver-name {
  font-size: 0.9rem;
  line-height: 1.3;
  color: var(--dim);
  min-width: 0;
  overflow-wrap: break-word;
}

.driver-name b {
  display: block;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--text);
}

.driver-pts {
  font-family: var(--data);
  font-size: 0.8rem;
  color: var(--dim);
}

/* --- gap corridor: height is the points gap, to scale --------------------- */

/* Height is the points gap, to scale, so it can legitimately be a couple of
   pixels. Nothing inside is allowed to hold the corridor open — the label is
   taken out of flow and centred on the seam, where it reads as a boundary
   marker rather than as the contents of a room. */
.gap {
  height: var(--gap-h, 20svh);
  min-height: 2px;
  position: relative;
  margin-left: var(--rail-w);
}

.gap::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--line-bright), transparent);
}

.gap-label {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  padding: 0.4rem 0.9rem;
  background: var(--void);
  font-family: var(--data);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
  white-space: nowrap;
}

.gap-label b {
  font-weight: 600;
  color: var(--text);
}

/* --- calendar footer ------------------------------------------------------ */

.calendar {
  padding: clamp(4rem, 12vh, 8rem) var(--pad) 3rem calc(var(--rail-w) + var(--pad));
  border-top: 1px solid var(--line);
  background: var(--carbon);
}

/* --- legend: how to read the marks ---------------------------------------- */

.legend {
  max-width: 56rem;
  margin-bottom: clamp(3rem, 8vh, 5rem);
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
}

.legend p {
  max-width: 38rem;
  margin-top: 0.9rem;
  color: var(--dim);
  font-size: 0.94rem;
}

.legend dl {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 1.25rem 2rem;
  margin: 1.75rem 0;
}

.legend dt {
  font-family: var(--data);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.legend dd {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--dim);
}

.legend-eg {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin: 2rem 0 1.5rem;
}

.legend-eg figure {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin: 0;
}

.legend-eg .mark {
  width: 3.4rem;
  height: 3.4rem;
  flex: none;
}

.legend-eg figcaption {
  font-family: var(--data);
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--dim);
}

.legend-eg figcaption b {
  display: block;
  font-weight: 600;
  color: var(--text);
}

/* Hairline ring so flags with white or pale fields — Japan, Canada, Qatar —
   keep an edge against the dark surface. */
.flag {
  width: 1.25em;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  vertical-align: -0.18em;
  margin-right: 0.5em;
  border-radius: 1px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.16);
}

.next-race-name .flag {
  width: 1em;
  margin-right: 0.45em;
  vertical-align: -0.05em;
}

.races li.is-done .flag {
  opacity: 0.45;
}

.legend-note {
  font-family: var(--data);
  font-size: 0.7rem;
  color: var(--dimmer);
}

/* Needs a box of its own so the title tooltip has something to hang on. */
.mark-holder {
  display: inline-flex;
  flex: none;
}

.calendar h2 {
  font-family: var(--display);
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}

.races {
  list-style: none;
  margin: 0 0 3rem;
  padding: 0;
  max-width: 56rem;
}

.races li {
  display: grid;
  grid-template-columns: 2.6rem 1fr auto;
  align-items: baseline;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--line);
}

.races li.is-done {
  color: var(--dimmer);
}

.race-round {
  font-family: var(--data);
  font-size: 0.72rem;
  color: var(--dim);
}

.race-name {
  font-size: 0.98rem;
  min-width: 0;
}

.race-when {
  font-family: var(--data);
  font-size: 0.76rem;
  color: var(--dim);
  white-space: nowrap;
}

.races li.is-next .race-round,
.races li.is-next .race-when {
  color: var(--accent-ink);
}

.colophon {
  display: grid;
  gap: 0.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  font-family: var(--data);
  font-size: 0.7rem;
  line-height: 1.7;
  color: var(--dimmer);
  max-width: 44rem;
}

.colophon a {
  color: var(--dim);
}

.credits summary {
  cursor: pointer;
  padding: 0.4rem 0;
  color: var(--dim);
}

.credits ul {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.3rem;
}

/* --- responsive ----------------------------------------------------------- */

@media (max-width: 820px) {
  :root {
    --rail-w: 2.6rem;
  }

  .rail-tick {
    font-size: 0.52rem;
  }

  .team {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    align-content: center;
  }

  .team-pos {
    justify-self: start;
    font-size: clamp(4.5rem, 26vw, 9rem);
  }

  .drivers {
    gap: 0.9rem;
  }

  .driver {
    flex: 1 1 8rem;
  }

  .hero-foot {
    flex-direction: column;
    align-items: flex-start;
  }

  .grain {
    display: none;
  }
}

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

  :root.rm {
    transition: --accent 400ms linear;
  }
}