/* ---------------------------------------------------
   Karen AI — stealth one-pager
   A quiet, confident dossier: warm cream ground, dark
   type, a single magenta signal lifted from the mark.
--------------------------------------------------- */

:root {
  --ink:        #111110;
  --ink-dim:    #2a2824;
  --ink-faint:  rgba(15, 14, 10, 0.18);
  --ground:     #f6eee2;
  --ground-alt: #ede6d9;
  --signal:     #d725ff;
  --signal-dim: rgba(215, 37, 255, 0.45);

  --serif-display: "Archivo", sans-serif;
  --mono: "IBM Plex Mono", monospace;

  --edge: clamp(28px, 6vw, 96px);
}

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

html {
  color-scheme: light;
}

body {
  background: var(--ground);
  color: var(--ink);
  font-family: var(--serif-display);
  min-height: 100svh;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* faint vertical spine — "minimal but with a spine" */
.spine {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 28px;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--ink-faint) 12%,
    var(--ink-faint) 88%,
    transparent 100%
  );
  pointer-events: none;
  z-index: 0;
}

@media (max-width: 720px) {
  .spine { display: none; }
}

/* ---------------------------------------------------
   Masthead
--------------------------------------------------- */

.masthead {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(28px, 4.5vw, 48px) var(--edge) 0;
}

.wordmark {
  display: block;
  height: 28px;
  width: auto;
  opacity: 0.96;
}

.masthead__meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-dim);
  white-space: nowrap;
}

@media (max-width: 560px) {
  .masthead__meta { display: none; }
}

/* ---------------------------------------------------
   Hero
--------------------------------------------------- */

.hero {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(28px, 4vw, 40px);
  padding: clamp(48px, 8vh, 96px) var(--edge);
  max-width: 1180px;
}

.headline {
  font-weight: 800;
  font-size: clamp(2.6rem, 7.4vw, 5.6rem);
  line-height: 1.04;
  letter-spacing: -0.027em;
  max-width: 16ch;
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.accent-dot {
  color: var(--signal);
}

.subline {
  font-weight: 300;
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  line-height: 1.55;
  color: var(--ink-dim);
  max-width: 46ch;
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.12s both;
}

.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-dim);
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.24s both;
}

.tags li {
  position: relative;
  padding: 0 18px;
}

.tags li:first-child {
  padding-left: 0;
}

.tags li + li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--ink-faint);
}

@media (max-width: 862px) {
  .tags {
    flex-direction: column;
    gap: 10px;
  }

  .tags li {
    padding: 0;
  }

  .tags li + li::before {
    content: none;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------------------------------------------------
   Footer — status ticker + contact signal
--------------------------------------------------- */

.footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 0 var(--edge) clamp(28px, 4.5vw, 48px);
  animation: rise 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.36s both;
}

.status {
  display: flex;
  align-items: baseline;
  gap: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.status__label {
  color: var(--ink-faint);
}

.status__track {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--ink-dim);
}

.status__step,
.status__arrow {
  display: inline-block;
  color: var(--ink-dim);
  transition: color 0.4s ease;
}

.status__arrow {
  font-family: var(--serif-display);
}

/* sequential "chase" — five beats spaced evenly across one 10s loop */
.status__step  { animation: chase-step  10s ease-in-out infinite; }
.status__arrow { animation: chase-arrow 10s ease-in-out infinite; }

.status__track > :nth-child(1) { animation-delay: 0s;    }
.status__track > :nth-child(2) { animation-delay: -8s;   }
.status__track > :nth-child(3) { animation-delay: -6s;   }
.status__track > :nth-child(4) { animation-delay: -4s;   }
.status__track > :nth-child(5) { animation-delay: -2s;   }

@keyframes chase-step {
  0%, 8%   { color: var(--ink-dim); text-shadow: none; }
  16%, 28% { color: var(--ink); text-shadow: 0 0 18px rgba(15, 14, 10, 0.18); }
  40%, 100% { color: var(--ink-dim); text-shadow: none; }
}

@keyframes chase-arrow {
  0%, 8%   { color: var(--ink-faint); }
  16%, 28% { color: var(--signal); text-shadow: 0 0 16px var(--signal-dim); }
  40%, 100% { color: var(--ink-faint); }
}

.contact {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.contact:hover,
.contact:focus-visible {
  color: var(--ink);
  border-color: var(--ink-faint);
}

/* ---------------------------------------------------
   Small viewports
--------------------------------------------------- */

@media (max-width: 720px) {
  :root { --edge: 24px; }

  .hero { padding-left: var(--edge); }

  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }

  .status__label { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}