* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-0: #050816;
  --bg-1: #0b1120;
  --bg-2: #111827;
  --panel: rgba(15, 23, 42, 0.78);
  --panel-border: rgba(148, 163, 184, 0.14);
  --text: #e5eefb;
  --muted: #94a3b8;
  --primary: #60a5fa;
  --secondary: #a78bfa;
  --accent: #22d3ee;
  --accent-2: #38bdf8;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.38);
}

body {
  font-family: Inter, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(56, 189, 248, 0.14), transparent 34%),
    radial-gradient(circle at 80% 20%, rgba(167, 139, 250, 0.12), transparent 28%),
    linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 50%, var(--bg-2) 100%);
  padding: 32px 16px;
}

.page-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 0%, rgba(34, 211, 238, 0.08), transparent 35%);
}

.container {
  width: min(1320px, 100%);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero {
  text-align: center;
  margin-bottom: 32px;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 14px;
  background: linear-gradient(90deg, #f8fafc 0%, #93c5fd 45%, #c4b5fd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  color: var(--muted);
  font-size: 1.05rem;
}

.subtitle strong {
  color: var(--text);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.panel {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.7) 100%);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.panel-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.2), rgba(167, 139, 250, 0.2));
  border: 1px solid rgba(148, 163, 184, 0.16);
}

.panel-title {
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.panel-copy {
  color: var(--muted);
  font-size: 0.92rem;
}

.clock {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.time-unit {
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.72) 0%, rgba(15, 23, 42, 0.86) 100%);
  border: 1px solid rgba(148, 163, 184, 0.1);
  border-radius: 18px;
  padding: 18px 12px;
  text-align: center;
}

.accent-unit {
  border-color: rgba(34, 211, 238, 0.28);
  box-shadow: inset 0 0 0 1px rgba(34, 211, 238, 0.05), 0 0 18px rgba(34, 211, 238, 0.08);
}

.num {
  display: block;
  font-size: clamp(1.5rem, 2.2vw, 2.25rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.accent-num {
  color: var(--accent);
  text-shadow: 0 0 18px rgba(34, 211, 238, 0.22);
}

.label {
  display: inline-block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

footer {
  margin-top: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 1080px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  body {
    padding: 20px 12px;
  }

  .panel {
    padding: 18px;
    border-radius: 20px;
  }

  .clock {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .panel-head {
    align-items: flex-start;
  }
}