@font-face {
  font-family: "DSEG7";
  src: url("https://cdn.jsdelivr.net/npm/dseg@0.46.0/fonts/DSEG7-Classic/DSEG7Classic-Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

:root {
  --bg: #000;
  --amber: #ffb347;
  --amber-hot: #ffd9a0;
  --amber-glow: rgba(255, 140, 40, .55);
  --text-dim: #b8b8b8;
  --ghost: rgba(255, 179, 71, .07);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 48px;
  --space-6: 72px;

  --font-seg: "DSEG7", ui-monospace, monospace;
  --font-label: "Rajdhani", system-ui, sans-serif;

  --digit-size: clamp(2.2rem, 5vw, 5.5rem);
  --glow:
    0 0 2px var(--amber-hot),
    0 0 10px var(--amber-glow),
    0 0 28px var(--amber-glow);
}

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

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-dim);
  font-family: var(--font-label);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- Portrait gallery ---------- */

.portrait {
  position: fixed;
  inset: 0 0 0 auto;
  width: 52vw;
  z-index: 0;
  -webkit-mask-image: linear-gradient(to left, #000 40%, transparent 100%);
          mask-image: linear-gradient(to left, #000 40%, transparent 100%);
}

.portrait img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.15) brightness(.82);
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 1.5s ease, transform 9s linear;
}

.portrait img.is-active {
  opacity: 1;
  transform: scale(1.12);
}

/* vignette top/bottom like a film frame */
.portrait::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, var(--bg) 0%, transparent 18%, transparent 80%, var(--bg) 100%);
}

/* ---------- Stage ---------- */

.stage {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100svh;
  width: min(100%, 62vw);
  display: grid;
  grid-template-rows: auto 1fr auto;
  justify-items: center;
  padding: var(--space-5) var(--space-4) var(--space-4);
}

/* ---------- Title ---------- */

.title { text-align: center; }

.title__year {
  position: relative;
  display: inline-block;
  margin: 0;
  font-family: var(--font-seg);
  font-weight: 700;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 1;
  color: var(--amber);
  text-shadow: var(--glow);
  font-style: italic;
}

.title__sub {
  margin: var(--space-3) 0 0;
  font-size: clamp(.95rem, 1.4vw, 1.15rem);
  font-weight: 600;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ---------- Segment digits (lit over ghost) ---------- */

.digits, .title__year { position: relative; }

.ghost {
  color: var(--ghost);
  text-shadow: none;
}

.lit {
  position: absolute;
  inset: 0;
  text-align: right;
}

/* ---------- Clock ---------- */

.clock {
  align-self: center;
  text-align: center;
}

.clock__display {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: clamp(var(--space-1), 1vw, var(--space-3));
}

.unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.digits {
  font-family: var(--font-seg);
  font-weight: 700;
  font-size: var(--digit-size);
  line-height: 1;
  font-style: italic;
  font-variant-numeric: tabular-nums;
}

.digits .lit {
  color: var(--amber);
  text-shadow: var(--glow);
}

.digits .lit.flicker { animation: flicker .28s steps(2, end); }

.label {
  font-size: clamp(.8rem, 1.2vw, 1rem);
  font-weight: 600;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.sep {
  font-family: var(--font-seg);
  font-weight: 700;
  font-size: var(--digit-size);
  line-height: 1;
  color: var(--amber);
  text-shadow: var(--glow);
  animation: blink 1s steps(1, end) infinite;
}

.clock__target {
  margin: var(--space-5) 0 0;
  font-size: .95rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #8a8a8a;
}

/* ---------- Credit ---------- */

.credit {
  padding-top: var(--space-4);
  font-size: clamp(.8rem, 1.2vw, 1rem);
  font-weight: 600;
  letter-spacing: .24em;
  text-align: center;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ---------- Animations ---------- */

@keyframes blink { 50% { opacity: .15; } }

@keyframes flicker {
  0% { opacity: .55; }
  100% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .sep { animation: none; }
  .digits .lit.flicker { animation: none; }
  .portrait img { transition: none; transform: none; }
  .portrait img.is-active { transform: none; }
}

/* ---------- Mobile ---------- */

@media (max-width: 767px) {
  :root { --digit-size: clamp(1.9rem, 10.5vw, 3.4rem); }

  .portrait {
    width: 100vw;
    opacity: .35;
    -webkit-mask-image: linear-gradient(to top, transparent 0%, #000 55%);
            mask-image: linear-gradient(to top, transparent 0%, #000 55%);
  }

  .stage {
    width: 100%;
    padding: var(--space-5) var(--space-3) var(--space-4);
  }

  .clock__display {
    display: grid;
    grid-template-columns: 1fr 1fr;
    row-gap: var(--space-5);
    column-gap: var(--space-4);
  }

  .sep { display: none; }

  .label { letter-spacing: .18em; }
}