/* shared editorial system — tokens, fonts, theme, cursor, reveals */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Geist:wght@300;400;500;600;700&family=Geist+Mono:wght@400;500&display=swap');

:root {
  /* dark default */
  --bg: #0e0d0c;
  --bg-2: #161513;
  --ink: #f5f2ec;
  --ink-2: #d6d2c8;
  --muted: #8a8378;
  --line: rgba(245, 242, 236, 0.12);
  --line-strong: rgba(245, 242, 236, 0.22);
  --accent: #c084fc;
  --accent-soft: rgba(192, 132, 252, 0.16);

  --font-display: "Instrument Serif", "Times New Roman", serif;
  --font-body: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

html[data-theme="light"] {
  --bg: #f5f2ec;
  --bg-2: #ebe7df;
  --ink: #15130f;
  --ink-2: #2a2722;
  --muted: #6d6760;
  --line: rgba(21, 19, 15, 0.12);
  --line-strong: rgba(21, 19, 15, 0.22);
  --accent: #7c3aed;
  --accent-soft: rgba(124, 58, 237, 0.10);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.55;
  font-weight: 400;
  letter-spacing: -0.005em;
  transition: background 0.5s var(--ease), color 0.5s var(--ease);
  cursor: none;
  overflow-x: hidden;
}

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

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

/* ─── Custom cursor ──────────────────────────────── */
.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate3d(-100px, -100px, 0);
  will-change: transform;
  mix-blend-mode: difference;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  transition: width 0.25s var(--ease-out), height 0.25s var(--ease-out), background 0.2s;
}
.cursor-ring {
  width: 28px; height: 28px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  opacity: 0.6;
  transition: width 0.3s var(--ease-out), height 0.3s var(--ease-out), opacity 0.3s, border-color 0.3s;
}
.cursor-dot.is-hover { width: 0; height: 0; }
.cursor-ring.is-hover { width: 68px; height: 68px; opacity: 0.9; }
.cursor-ring.is-text { width: 4px; height: 22px; border-radius: 1px; background: var(--accent); border-color: transparent; opacity: 0.8; }

/* hide cursor on touch */
@media (hover: none) {
  body { cursor: auto; }
  button, a { cursor: pointer; }
  .cursor-dot, .cursor-ring { display: none; }
}

/* ─── Reveal animations ──────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1.1s var(--ease-out), transform 1.1s var(--ease-out);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }

/* split-letter reveal */
.split-line {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
}
.split-line .ch {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 0.9s var(--ease-out);
}
.split-line .ch.space { width: 0.28em; }
.in .split-line .ch,
.split-line.in .ch {
  transform: translateY(0);
}

/* ─── Hover image preview (for project lists) ────── */
.preview-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 320px; height: 200px;
  pointer-events: none;
  z-index: 50;
  opacity: 0;
  transition: opacity 0.35s var(--ease);
  overflow: hidden;
  transform: translate3d(0, 0, 0);
}
.preview-canvas.is-on { opacity: 1; }
.preview-canvas .frame {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  background-size: cover;
  background-position: center;
}
.preview-canvas .frame.is-on { opacity: 1; }

/* ─── Page transition curtain ────────────────────── */
.curtain {
  position: fixed;
  inset: 0;
  background: var(--accent);
  z-index: 9000;
  transform: translateY(100%);
  pointer-events: none;
}
.curtain.is-in {
  animation: curtain-in 0.7s var(--ease-out) forwards;
}
.curtain.is-out {
  animation: curtain-out 0.7s var(--ease-out) forwards;
}
@keyframes curtain-in {
  0% { transform: translateY(100%); }
  100% { transform: translateY(0); }
}
@keyframes curtain-out {
  0% { transform: translateY(0); }
  100% { transform: translateY(-100%); }
}

/* ─── Common helpers ─────────────────────────────── */
.mono { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; font-weight: 500; }
.serif { font-family: var(--font-display); font-style: italic; }
.muted { color: var(--muted); }
.rule { border: none; border-top: 1px solid var(--line); }
.rule-strong { border: none; border-top: 1px solid var(--line-strong); }

/* magnetic / hovered link underline */
.link-u {
  position: relative;
  display: inline-block;
}
.link-u::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: currentColor;
  transform: scaleX(1);
  transform-origin: right;
  transition: transform 0.5s var(--ease-out);
}
.link-u:hover::after {
  transform: scaleX(0);
  transform-origin: left;
}

/* shared status dot */
.status-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #6ee7b7;
  margin-right: 8px;
  vertical-align: middle;
  position: relative;
}
.status-dot::after {
  content: "";
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: #6ee7b7;
  opacity: 0.35;
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(0.6); opacity: 0.6; }
  100% { transform: scale(2); opacity: 0; }
}

/* theme toggle button */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
  transition: border-color 0.3s, color 0.3s, background 0.3s;
}
.theme-toggle:hover {
  border-color: var(--line-strong);
  color: var(--ink);
}
.theme-toggle .sun,
.theme-toggle .moon { width: 12px; height: 12px; }
html[data-theme="light"] .theme-toggle .moon { display: none; }
html[data-theme="dark"] .theme-toggle .sun,
html:not([data-theme="light"]) .theme-toggle .sun { display: none; }