@layer tokens, base, layout, components, utils;

@font-face {
  font-family: "Sora";
  src: url("../fonts/sora-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Sora";
  src: url("../fonts/sora-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "DM Sans";
  src: url("../fonts/dmsans-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "DM Sans";
  src: url("../fonts/dmsans-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

@layer tokens {
  :root {
    --bg: hsl(258 42% 7%);
    --surface: hsl(258 36% 11%);
    --surface-2: hsl(257 30% 15%);
    --paper: hsl(0 0% 100%);
    --paper-2: hsl(258 30% 97%);
    --ink: hsl(258 22% 14%);
    --ink-soft: hsl(255 12% 38%);
    --line: hsl(255 22% 90%);
    --brand: hsl(265 58% 58%);
    --brand-strong: hsl(265 56% 48%);
    --accent: hsl(184 84% 46%);
    --accent-strong: hsl(184 80% 38%);
    --on-dark: hsl(255 28% 94%);
    --on-dark-soft: hsl(255 18% 70%);

    --wrap: 1200px;
    --r: 16px;
    --r-sm: 9px;
    --step: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
  }
}

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

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

  body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "DM Sans", system-ui, sans-serif;
    font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

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

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

  a:hover {
    text-decoration: underline;
  }

  h1,
  h2,
  h3 {
    font-family: "Sora", system-ui, sans-serif;
    font-weight: 700;
    line-height: 1.12;
    color: var(--ink);
    margin: 0 0 0.5em;
    letter-spacing: -0.015em;
  }

  h1 {
    font-size: clamp(2.2rem, 1.5rem + 3vw, 3.5rem);
  }

  h2 {
    font-size: clamp(1.7rem, 1.25rem + 1.9vw, 2.4rem);
  }

  h3 {
    font-size: clamp(1.2rem, 1.05rem + 0.7vw, 1.5rem);
  }

  p {
    margin: 0 0 1.1rem;
  }

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

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

    *,
    *::before,
    *::after {
      animation-duration: 0.01ms;
      transition-duration: 0.01ms;
    }
  }
}

@layer layout {
  .wrap {
    width: 100%;
    max-width: var(--wrap);
    margin-inline: auto;
    padding-inline: 1.25rem;
  }

  .section {
    padding-block: clamp(3rem, 2rem + 4vw, 5rem);
  }

  .section.is-dark {
    background: var(--bg);
    color: var(--on-dark);
  }

  .section.is-dark h2,
  .section.is-dark h3 {
    color: var(--on-dark);
  }

  .section.is-soft {
    background: var(--paper-2);
  }

  .section-head {
    max-width: 46rem;
    margin-bottom: 2.25rem;
  }

  .split {
    display: grid;
    gap: 2rem;
  }

  @media (min-width: 900px) {
    .split {
      grid-template-columns: 1fr 1fr;
      align-items: center;
    }

    .split.is-text-led {
      grid-template-columns: 1.1fr 0.9fr;
    }
  }
}

@layer components {
  .eyebrow {
    display: inline-block;
    font-family: "Sora", sans-serif;
    font-weight: 600;
    font-size: 0.76rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent-strong);
    margin-bottom: 0.7rem;
  }

  .is-dark .eyebrow {
    color: var(--accent);
  }

  .lede {
    font-size: 1.18rem;
    color: var(--ink-soft);
  }

  .is-dark .lede {
    color: var(--on-dark-soft);
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 48px;
    padding: 0.75rem 1.5rem;
    border: 2px solid transparent;
    border-radius: var(--r-sm);
    font-family: "Sora", sans-serif;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
  }

  .btn:hover {
    text-decoration: none;
  }

  .btn.is-primary {
    background: var(--accent);
    color: hsl(258 42% 9%);
  }

  .btn.is-primary:hover {
    background: var(--accent-strong);
    color: hsl(0 0% 100%);
  }

  .btn.is-brand {
    background: var(--brand);
    color: hsl(0 0% 100%);
  }

  .btn.is-brand:hover {
    background: var(--brand-strong);
  }

  .btn.is-outline {
    background: transparent;
    color: var(--on-dark);
    border-color: hsl(255 28% 94% / 0.3);
  }

  .btn.is-outline:hover {
    border-color: var(--on-dark);
  }
}

@layer utils {
  .skip-nav {
    position: absolute;
    left: 1rem;
    top: -120px;
    z-index: 1000;
    padding: 0.6rem 1rem;
    border-radius: var(--r-sm);
    background: var(--accent);
    color: hsl(258 42% 9%);
    transition: top 0.2s;
  }

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

  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .muted {
    color: var(--ink-soft);
  }

  .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }

  /* TODO: revisar si el reveal se siente lento en celulares de gama baja */
  .reveal.in {
    opacity: 1;
    transform: none;
  }
}