@layer reset, base, theme, layout, components;

@layer reset {
  html {
    box-sizing: border-box;
    -webkit-text-size-adjust: 100%;
  }

  :where(body, header, main, footer, section, div, button, picture, img) {
    box-sizing: border-box;
  }

  body, h1, p {
    margin: 0;
  }

  img, svg, picture {
    display: block;
    max-inline-size: 100%;
  }

  button {
    font: inherit;
    color: inherit;
  }
}

@layer theme {
  :root {
    --red-500: #c81b23;
    --red-600: #a81219;
    --red-700: #870c12;
    --red-800: #66070c;
    --red-900: #460408;

    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.88);
    --text-muted: rgba(255, 255, 255, 0.82);

    --surface-glass: rgba(58, 4, 8, 0.34);
    --surface-pill: rgba(255, 255, 255, 0.12);
    --surface-pill-hover: rgba(255, 255, 255, 0.22);
    --border-subtle: rgba(255, 255, 255, 0.22);
    --border-strong: rgba(255, 255, 255, 0.38);

    --font-sans: "Instrument Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --in-oklab: ;
  }

  @supports (linear-gradient(in oklab, white, black)) {
    :root {
      --in-oklab: in oklab;
    }
  }
}

@layer base {
  body {
    position: relative;
    isolation: isolate;
    min-block-size: 100dvb;
    font-family: var(--font-sans);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--red-600);
    background-image:
      radial-gradient(
        circle at 50% 34%,
        rgba(255, 92, 92, 0.22) 0%,
        transparent 52%
      ),
      radial-gradient(
        ellipse 115% 90% at 50% 45% var(--in-oklab),
        var(--red-500) 0%,
        var(--red-600) 48%,
        var(--red-800) 100%
      ),
      linear-gradient(
        to right,
        rgba(255, 255, 255, 0.035) 1px,
        transparent 1px
      ),
      linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.035) 1px,
        transparent 1px
      );
    background-size:
      100% 100%,
      100% 100%,
      48px 48px,
      48px 48px;
    background-position: center;
    overflow-x: clip;
  }

  body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image: url("assets/bg-coquimbo-2x.jpg");
    background-image: image-set(
      url("assets/bg-coquimbo.avif") type("image/avif") 1x,
      url("assets/bg-coquimbo-2x.avif") type("image/avif") 2x,
      url("assets/bg-coquimbo.webp") type("image/webp") 1x,
      url("assets/bg-coquimbo-2x.webp") type("image/webp") 2x,
      url("assets/bg-coquimbo.jpg") type("image/jpeg") 1x,
      url("assets/bg-coquimbo-2x.jpg") type("image/jpeg") 2x
    );
    background-size: cover;
    background-position: center 42%;
    background-repeat: no-repeat;
    opacity: 0.16;
    filter: grayscale(100%) contrast(1.06);
    mix-blend-mode: luminosity;
  }

  :where(a:any-link, button):focus-visible {
    outline: 3px solid var(--text-primary);
    outline-offset: 3px;
  }
}

@layer layout {
  .page-shell {
    min-block-size: 100dvb;
    display: grid;
    grid-template-rows: auto 1fr auto;
    padding-block: clamp(1rem, 2.5dvb, 2rem);
    padding-inline: clamp(1rem, 4vw, 3rem);
    gap: clamp(1rem, 2.5dvb, 2rem);
  }

  .site-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem 1.25rem;
    inline-size: 100%;
    max-inline-size: 76rem;
    margin-inline: auto;
  }

  .header-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.625rem 1rem;
  }

  .stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: clamp(1.1rem, 2.6dvb, 2rem);
    inline-size: 100%;
    max-inline-size: 64rem;
    margin-inline: auto;
  }

  .site-footer {
    display: flex;
    justify-content: center;
    inline-size: 100%;
    padding-block-start: 0.25rem;
    text-align: center;
  }

  .footer-credit {
    max-inline-size: 62ch;
    font-size: 0.75rem;
    line-height: 1.4;
    letter-spacing: 0.02em;
    color: var(--text-muted);
    text-wrap: balance;
  }
}

@layer components {
  .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding-block: 0.35rem;
    padding-inline: 0.85rem;
    border-radius: 999px;
    background-color: var(--surface-pill);
    border: 1px solid var(--border-subtle);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    backdrop-filter: blur(8px);
  }

  .status-dot {
    inline-size: 0.5rem;
    block-size: 0.5rem;
    border-radius: 50%;
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.24);
  }

  .institution-tag {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
  }

  .fullscreen-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-block-size: 2.75rem;
    padding-block: 0.5rem;
    padding-inline: 1rem;
    border-radius: 999px;
    border: 1px solid var(--border-subtle);
    background-color: var(--surface-pill);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: background-color 0.2s ease, border-color 0.2s ease;
  }

  .fullscreen-btn:hover {
    background-color: var(--surface-pill-hover);
    border-color: var(--border-strong);
  }

  .fullscreen-btn[hidden] {
    display: none;
  }

  .emblem-wrap {
    position: relative;
    display: grid;
    place-items: center;
    inline-size: clamp(10.5rem, 22vmin, 17rem);
    aspect-ratio: 1;
    isolation: isolate;
  }

  .emblem-halo {
    position: absolute;
    inset: -12%;
    z-index: -1;
    border-radius: 50%;
    background: radial-gradient(
      circle,
      rgba(255, 255, 255, 0.22) 0%,
      rgba(255, 255, 255, 0.06) 46%,
      transparent 70%
    );
    pointer-events: none;
  }

  .emblem-img {
    inline-size: 100%;
    block-size: auto;
    aspect-ratio: 1;
    object-fit: contain;
    filter:
      drop-shadow(0 18px 34px rgba(42, 2, 6, 0.55))
      drop-shadow(0 4px 10px rgba(42, 2, 6, 0.35));
  }

  .identity-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
  }

  .site-title {
    font-size: clamp(1.375rem, 0.95rem + 1.8vw, 2.35rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-wrap: balance;
    text-shadow: 0 2px 14px rgba(40, 2, 6, 0.35);
  }

  .site-subtitle {
    font-size: clamp(0.875rem, 0.75rem + 0.45vw, 1.125rem);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
    text-wrap: balance;
  }

  .clock-panel {
    inline-size: min(100%, 54rem);
  }

  .clock-frame {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(0.85rem, 1.8dvb, 1.35rem);
    padding-block: clamp(1.5rem, 3.6dvb, 2.75rem);
    padding-inline: clamp(1.25rem, 4vw, 3.5rem);
    border-radius: 1.5rem;
    background: linear-gradient(
      180deg var(--in-oklab),
      rgba(74, 5, 10, 0.46) 0%,
      rgba(44, 3, 7, 0.56) 100%
    );
    border: 1px solid var(--border-subtle);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.22),
      0 24px 56px -16px rgba(34, 2, 5, 0.65),
      0 6px 18px rgba(34, 2, 5, 0.35);
    backdrop-filter: blur(12px);
  }

  @supports (corner-shape: squircle) {
    .clock-frame {
      corner-shape: squircle;
    }
  }

  .clock-digits {
    display: inline-flex;
    align-items: baseline;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: clamp(3.35rem, 1.3rem + 8.5vw, 8.25rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.02em;
    font-variant-numeric: tabular-nums lining-nums;
    color: var(--text-primary);
    text-shadow: 0 4px 24px rgba(24, 0, 2, 0.45);
    white-space: nowrap;
  }

  .clock-sep {
    opacity: 0.72;
    padding-inline: 0.04em;
  }

  .clock-seconds {
    font-size: 0.72em;
    font-weight: 600;
    color: var(--text-secondary);
  }

  .clock-sep-sec {
    font-size: 0.72em;
  }

  .clock-divider {
    inline-size: min(100%, 26rem);
    block-size: 1px;
    background: linear-gradient(
      to right,
      transparent,
      rgba(255, 255, 255, 0.38),
      transparent
    );
  }

  .clock-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.4rem 1.25rem;
  }

  .clock-date {
    font-size: clamp(1rem, 0.85rem + 0.6vw, 1.375rem);
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text-primary);
    text-transform: capitalize;
  }

  .clock-tz {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding-block: 0.25rem;
    padding-inline: 0.7rem;
    border-radius: 999px;
    background-color: var(--surface-pill);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
  }

  @media (prefers-reduced-motion: no-preference) {
    .emblem-wrap,
    .identity-block,
    .clock-panel {
      animation: stage-enter 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
    }

    .identity-block {
      animation-delay: 0.06s;
    }

    .clock-panel {
      animation-delay: 0.12s;
    }
  }

  @keyframes stage-enter {
    from {
      opacity: 0;
      translate: 0 12px;
    }
    to {
      opacity: 1;
      translate: 0 0;
    }
  }

  @media (forced-colors: active) {
    body {
      background: Canvas;
      color: CanvasText;
    }

    body::before {
      display: none;
    }

    .clock-frame,
    .status-badge,
    .fullscreen-btn,
    .clock-tz {
      background: Canvas;
      color: CanvasText;
      border: 2px solid CanvasText;
      box-shadow: none;
    }

    .status-dot {
      background-color: CanvasText;
      box-shadow: none;
    }

    .clock-divider {
      background: CanvasText;
    }

    :where(a:any-link, button):focus-visible {
      outline: 3px solid Highlight;
    }
  }
}