/*
 * KADPACE — página "coming soon" (estática, independente da app).
 *
 * ⚠ Tipografia e códigos de cor PROVISÓRIOS: os oficiais estão por definir na marca
 * (brand/BRAND.md §15 e §26). Preto e vermelho medidos no símbolo oficial.
 */

@font-face {
  font-family: 'Saira';
  src: url('assets/fonts/saira-latin-wdth-italic.woff2') format('woff2');
  font-weight: 100 900;
  font-stretch: 50% 125%;
  font-style: italic;
  font-display: swap;
}

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

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

:root {
  --black: #000000;
  --red: #f4020a;
  --white: #ffffff;
  --grey: #a3a3a3;
  --display: 'Saira', 'Arial Black', sans-serif;
  --text: 'Barlow', 'Segoe UI', system-ui, sans-serif;
  --k-angle: -38deg; /* inclinação aproximada dos traços do símbolo K */
  --pad: clamp(1.5rem, 5vw, 4rem);
}

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

html {
  background: var(--black);
  color: var(--white);
  font-family: var(--text);
}

body {
  margin: 0;
}

p,
h1 {
  margin: 0;
}

/* --- Página ------------------------------------------------------------------------------- */

.page {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: var(--pad) var(--pad) 0;
  overflow: hidden;
  isolation: isolate;
}

/* --- Fundo: faixas diagonais (seguem o rato) e linhas de velocidade -------------------------- */

.backdrop {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  --px: 0;
  --py: 0;
}

.slab {
  position: absolute;
  top: -20%;
  height: 140%;
  transform: translate(
      calc(var(--px) * var(--depth) * -1px),
      calc(var(--py) * var(--depth) * -1px)
    )
    skewX(var(--k-angle));
  transition: transform 0.4s ease-out;
}

.slab--far {
  left: 6%;
  width: 9rem;
  background: #0c0c0c;
}

.slab--mid {
  right: 14%;
  width: 14rem;
  background: #0e0e0e;
}

.slab--near {
  right: -4%;
  width: 3px;
  background: var(--red);
  opacity: 0.55;
}

.speed-line {
  position: absolute;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--grey));
  opacity: 0;
  transform: translateX(-110%) skewX(var(--k-angle));
  animation: sweep 1.4s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}

.speed-line--red {
  background: linear-gradient(90deg, transparent, var(--red));
}

@keyframes sweep {
  10% {
    opacity: 0.5;
  }
  to {
    opacity: 0;
    transform: translateX(260%) skewX(var(--k-angle));
  }
}

/* --- Topo ------------------------------------------------------------------------------------ */

.nav {
  /* "lighten" deixa ver o fundo através do preto do PNG oficial, sem alterar o ficheiro. */
  mix-blend-mode: lighten;
  animation: rise 0.6s ease-out both;
}

.nav__logo {
  display: block;
  width: clamp(11rem, 24vw, 17rem);
  height: auto;
}

/* --- Abertura ---------------------------------------------------------------------------------- */

.hero {
  align-self: center;
  display: grid;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem 0 9rem;
}

.hero__copy {
  display: grid;
  gap: 1.5rem;
  justify-items: start;
}

.hero__lead {
  font-weight: 600;
  font-size: clamp(1.0625rem, 2.2vw, 1.375rem);
  color: var(--white);
  border-left: 4px solid var(--red);
  padding-left: 0.85rem;
  animation: rise 0.8s ease-out 0.05s both;
}

.hero__headline {
  font-family: var(--display);
  font-stretch: 125%;
  font-style: italic;
  font-weight: 800;
  font-size: clamp(3.5rem, 13vw, 9.5rem);
  line-height: 0.9;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  animation: rise 0.8s ease-out 0.15s both;
}

.hero__text {
  max-width: 34em;
  color: var(--grey);
  font-size: clamp(1rem, 1.6vw, 1.1875rem);
  line-height: 1.55;
  animation: rise 0.8s ease-out 0.3s both;
}

/* O símbolo oficial em grande (ficheiro sem alterações). */
.hero__symbol {
  order: -1;
  width: clamp(7rem, 30vw, 11rem);
  height: auto;
  mix-blend-mode: lighten;
  /* Esconde só a margem do fundo do PNG, que tem um contorno ténue; o símbolo fica intacto. */
  clip-path: inset(4%);
  animation: symbol-in 1s cubic-bezier(0.2, 0.7, 0.2, 1) 0.15s both;
}

@media (min-width: 60rem) {
  .hero {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .hero__symbol {
    order: 0;
    width: clamp(15rem, 28vw, 32rem);
  }

  .hero__headline {
    font-size: clamp(4rem, 9.5vw, 10rem);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }
}

@keyframes symbol-in {
  from {
    opacity: 0;
    transform: translateX(3rem) scale(0.96);
  }
}

/* --- Percurso: o marcador corre do km 0 à meta, em ciclo ------------------------------------------ */

.race {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4.5rem;
  height: 7rem;
}

.race__svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.race__svg path {
  fill: none;
  stroke: var(--red);
  stroke-width: 3;
  vector-effect: non-scaling-stroke;
  stroke-linejoin: round;
}

.race__runner {
  position: absolute;
  left: 0;
  top: 92%;
  transform: translate(-50%, -50%);
  transition: opacity 0.4s;
}

.race__runner--hidden {
  opacity: 0;
}

.race__dot {
  display: block;
  width: 0.875rem;
  height: 0.875rem;
  border-radius: 50%;
  background: var(--white);
  box-shadow:
    0 0 0 4px var(--black),
    0 0 0 6px var(--red);
}

.race__label {
  position: absolute;
  bottom: 1.6rem;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: var(--display);
  font-stretch: 125%;
  font-style: italic;
  font-weight: 700;
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
}

/* Na meta, o rótulo passa para a esquerda do marcador, para não sair do ecrã. */
.race__runner--finish .race__label {
  left: auto;
  right: 0;
  transform: none;
  color: var(--red);
  font-size: clamp(1.125rem, 2.4vw, 1.75rem);
  font-weight: 800;
}

/* --- Rodapé ------------------------------------------------------------------------------------- */

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  padding: 1.25rem 0 1.5rem;
  color: var(--grey);
  font-size: 0.9375rem;
}

/* --- Movimento reduzido ---------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .nav,
  .hero__lead,
  .hero__headline,
  .hero__text,
  .hero__symbol {
    animation: none;
  }

  .speed-line {
    display: none;
  }

  .slab,
  .race__runner {
    transition: none;
  }
}