:root {
    --ink: #0a1418;
    --ivory: #efe7d6;
    --ivory-dim: rgba(239, 231, 214, .62);
    --hairline: rgba(239, 231, 214, .28);
    --frame: clamp(18px, 3vw, 44px);
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html, body { height: 100%; }
  body {
    background: var(--ink);
    color: var(--ivory);
    overflow: hidden;
    font-family: 'Jost', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    touch-action: manipulation;
  }

  /* ---------- full-bleed footage ---------- */
  .bg { position: fixed; inset: 0; z-index: 0; background: var(--ink) url("../media/poster.jpg") center / cover no-repeat; }
  .bg video {
    position: absolute; inset: 0; width: 100%; height: 100%;
    object-fit: cover; opacity: 0;
    transition: opacity 2.6s ease-in-out;
    transform: translateZ(0);
  }
  .bg video.show { opacity: 1; }
  /* unifying grade: cool shadows, soft vignette, darker base for the numerals */
  .grade {
    position: absolute; inset: 0;
    background:
      linear-gradient(180deg, rgba(10,20,24,.38) 0%, rgba(10,20,24,.10) 40%, rgba(10,20,24,.10) 60%, rgba(10,20,24,.55) 100%),
      radial-gradient(ellipse 70% 60% at 50% 50%, rgba(10,20,24,0) 0%, rgba(10,20,24,.45) 100%);
    mix-blend-mode: normal;
  }
  .tone { position: absolute; inset: 0; background: #1b3a44; mix-blend-mode: soft-light; opacity: .55; }
  .grain {
    position: absolute; inset: -50%; width: 200%; height: 200%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .5 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: .07; pointer-events: none;
    animation: grain 1.2s steps(4) infinite;
  }
  @keyframes grain {
    0% { transform: translate(0,0) } 25% { transform: translate(-3%,2%) }
    50% { transform: translate(2%,-3%) } 75% { transform: translate(-1%,-1%) } 100% { transform: translate(0,0) }
  }

  /* ---------- fine inset frame ---------- */
  .frame {
    position: fixed; z-index: 2; pointer-events: none;
    top: max(var(--frame), env(safe-area-inset-top));
    right: max(var(--frame), env(safe-area-inset-right));
    bottom: max(var(--frame), env(safe-area-inset-bottom));
    left: max(var(--frame), env(safe-area-inset-left));
    border: 1px solid var(--hairline);
    opacity: 0; animation: reveal 2.4s ease-out .3s forwards;
  }
  .frame i {
    position: absolute; width: 8px; height: 8px;
    border-color: var(--ivory-dim); border-style: solid; border-width: 0;
  }
  .frame i:nth-child(1) { top: -1px; left: -1px; border-top-width: 1px; border-left-width: 1px; }
  .frame i:nth-child(2) { top: -1px; right: -1px; border-top-width: 1px; border-right-width: 1px; }
  .frame i:nth-child(3) { bottom: -1px; left: -1px; border-bottom-width: 1px; border-left-width: 1px; }
  .frame i:nth-child(4) { bottom: -1px; right: -1px; border-bottom-width: 1px; border-right-width: 1px; }

  /* ---------- the countdown ---------- */
  main {
    position: relative; z-index: 3;
    min-height: 100dvh;
    display: grid; place-items: center;
    padding: calc(var(--frame) * 2) calc(var(--frame) * 1.5);
  }
  .count {
    display: flex; align-items: stretch; justify-content: center;
    opacity: 0; transform: translateY(10px);
    animation: reveal 2.2s cubic-bezier(.2,.7,.2,1) .6s forwards;
  }
  @keyframes reveal { to { opacity: 1; transform: none; } }
  .unit {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 0 clamp(14px, 3.4vw, 64px);
    position: relative;
  }
  .unit + .unit::before {
    content: ""; position: absolute; left: 0; top: 12%; bottom: 12%;
    width: 1px; background: var(--hairline);
  }
  .num {
    font-family: 'Cormorant Garamond', 'Times New Roman', serif;
    font-weight: 300;
    font-size: clamp(3.6rem, 11.5vw, 12.5rem);
    line-height: .9;
    letter-spacing: -.01em;
    font-variant-numeric: lining-nums tabular-nums;
    min-width: 2ch; text-align: center;
    color: var(--ivory);
    text-shadow: 0 1px 24px rgba(0,0,0,.35);
    transition: opacity .35s ease;
  }
  .num.swap { opacity: .25; }
  .label {
    margin-top: clamp(10px, 1.8vw, 24px);
    font-weight: 300;
    font-size: clamp(.58rem, 1vw, .82rem);
    letter-spacing: .42em; text-indent: .42em; /* centre the tracking */
    text-transform: uppercase;
    color: var(--ivory-dim);
  }

  @media (max-width: 640px) {
    main { padding: calc(var(--frame) * 2) calc(var(--frame) * 1.2); }
    .count { width: 100%; }
    .unit { flex: 1 1 0; padding: 0 2px; }
    .num { font-size: clamp(2.4rem, 13vw, 4.2rem); min-width: 0; }
    .label { margin-top: 10px; font-size: .5rem; letter-spacing: .28em; text-indent: .28em; }
  }
  @media (max-height: 460px) and (orientation: landscape) {
    .num { font-size: clamp(2.8rem, 9vw, 5rem); }
    .label { margin-top: 8px; }
  }

  @media (prefers-reduced-motion: reduce) {
    .grain, .num { animation: none !important; transition: none !important; }
    .bg video { display: none; }
    .frame, .count { animation: none; opacity: 1; transform: none; }
  }