/* styles.css */
:root {
  --bg: #000000;
  --fg: #F2F2F2;

  --ease-out-soft: cubic-bezier(0.2, 0.8, 0.2, 1);

  --dur-logo: 1000ms;
  --dur-fade: 700ms;

  --start-logo: 200ms;
  --start-tagline: 900ms;
  --start-footer: 1400ms;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Helvetica Neue", Helvetica, Inter, Arial, sans-serif;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
}

::selection { background: var(--fg); color: var(--bg); }

.page {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-rows: 1fr auto;
  padding: 24px;
}

.stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 0;
  gap: clamp(32px, 5vw, 56px);
}

.logo {
  display: block;
  width: clamp(180px, 32vw, 360px);
  height: auto;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
  animation: logoIn var(--dur-logo) var(--ease-out-soft) var(--start-logo) both;
}

.tagline {
  margin: 0;
  font-weight: 400;
  font-size: clamp(0.875rem, 1vw, 1rem);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--fg);
  text-indent: 0.35em;
  animation: fadeUp var(--dur-fade) var(--ease-out-soft) var(--start-tagline) both;
}

.footer {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg);
  animation: fadeOnly var(--dur-fade) var(--ease-out-soft) var(--start-footer) both;
}

/* ============================================================
   Keyframes
   ============================================================ */
@keyframes logoIn {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOnly {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Subtle infinite breathing on the logo, kicks in after entry */
@keyframes breathe {
  0%, 100% { transform: scale(1.000); }
  50%      { transform: scale(1.012); }
}

.entry-done .logo {
  animation: breathe 6s ease-in-out infinite;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 640px) {
  .page { padding: 20px; }
  .stage { gap: 36px; }
  .logo { width: clamp(160px, 55vw, 240px); }
  .footer { font-size: 0.6875rem; }
}

@media (min-width: 1600px) {
  .page { padding: 32px; }
}

/* ============================================================
   Reduced motion — fade only, no movement
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  :root {
    --start-logo: 0ms;
    --start-tagline: 0ms;
    --start-footer: 0ms;
  }

  @keyframes logoIn { from { opacity: 0; } to { opacity: 1; } }
  @keyframes fadeUp { from { opacity: 0; } to { opacity: 1; } }

  .logo, .tagline, .footer {
    animation-duration: 250ms;
    animation-timing-function: linear;
  }

  .entry-done .logo { animation: none; }
}