@import url('./tokens.css');

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg-page);
  color: var(--fg-primary);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  overflow-x: hidden;
  transition: background 400ms var(--ease-out), color 400ms var(--ease-out);
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; padding: 0; }
img { max-width: 100%; display: block; }

/* ----- Dark mode ------------------------------------------------ */
body[data-theme="dark"] {
  --bg-page: var(--color-near-black);
  --bg-card: var(--color-dark-surface);
  --bg-card-elevated: var(--color-dark-surface);
  --fg-primary: var(--color-ivory);
  --fg-secondary: var(--color-warm-silver);
  --fg-tertiary: var(--color-stone-gray);
  --color-border-cream: #2a2a28;
  --color-border-warm: #30302e;
  --color-ring-warm: #3a3a37;
  --color-ring-deep: #4a4a46;
  --color-warm-sand: #26261f;
}
body[data-theme="dark"] h1,
body[data-theme="dark"] h2,
body[data-theme="dark"] h3,
body[data-theme="dark"] h4 { color: var(--color-ivory); }
body[data-theme="dark"] p { color: var(--fg-secondary); }

/* ----- Layout primitives --------------------------------------- */
.container { max-width: 1240px; margin: 0 auto; padding: 0 32px; }
.container-wide { max-width: 1520px; margin: 0 auto; padding: 0 32px; }
.section { padding: 120px 0; }
.section-tight { padding: 80px 0; }
.section-dark {
  background: var(--color-near-black);
  color: var(--color-warm-silver);
}
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--color-ivory); }
.section-dark p { color: var(--color-warm-silver); }

body[data-theme="dark"] .section-dark { background: #0a0a0a; }

.overline {
  font-family: var(--font-sans);
  font-size: 10px; letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  font-weight: 500;
}

.rule {
  height: 1px; width: 48px; background: var(--fg-primary);
  opacity: 0.6;
}

/* ----- Shared nav pieces (from portfolio) ------------------- */
.nav-mark {
  font-family: var(--font-serif); font-weight: 500;
  font-size: 20px; letter-spacing: -0.01em;
  display: flex; align-items: baseline; gap: 10px;
}
.nav-mark .zh {
  font-size: 15px; color: var(--fg-tertiary);
  font-family: var(--font-serif);
}
.theme-toggle {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--color-border-warm);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--fg-secondary);
  transition: all 200ms var(--ease-out);
}
.theme-toggle:hover { color: var(--fg-primary); border-color: var(--color-ring-deep); }

@keyframes rise {
  to { transform: translateY(0); opacity: 1; }
}
@keyframes fadeIn { to { opacity: 1; } }
@keyframes heroImg {
  to { opacity: 1; transform: scale(1); }
}
@keyframes blurDrift {
  0%, 100% { transform: scale(1.15) translate(0, 0); }
  50% { transform: scale(1.2) translate(-2%, 1%); }
}
@keyframes slideRight {
  0% { transform: translateX(-100%); }
  60% { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}

/* ----- Marquee (medium strip) --------------------------------- */
.medium-strip {
  padding: 28px 0;
  border-top: 1px solid var(--color-border-cream);
  border-bottom: 1px solid var(--color-border-cream);
  overflow: hidden;
  white-space: nowrap;
}
.medium-strip-inner {
  display: inline-flex;
  gap: 64px;
  animation: marquee 38s linear infinite;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 20px;
  color: var(--fg-secondary);
}
.medium-strip-inner span { display: inline-flex; align-items: center; gap: 64px; }
.medium-strip-inner .dot {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--color-terracotta);
  display: inline-block;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ----- Scroll reveal ---------------------------------------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 800ms var(--ease-out), transform 800ms var(--ease-out); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ----- Section intro (About / CV / Contact titles) ---------- */
.section-kicker {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 20px;
}
.section-kicker .rule { width: 36px; height: 1px; background: var(--color-terracotta); }
.section-kicker .txt {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  font-weight: 500;
}