/* nosblit.fyi — minimal/clean, single-viewport interactive card
   Light + dark via prefers-color-scheme. System fonts, no webfont fetch. */

:root {
  --bg: #fafaf8;
  --bg-soft: #f1f1ee;
  --fg: #1a1a1a;
  --fg-soft: #6b6b6b;
  --fg-faint: #a8a8a4;
  --line: #e2e2dd;

  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;

  --max-w: 44rem;
  --pad: clamp(1.25rem, 4vw, 2rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101012;
    --bg-soft: #18181b;
    --fg: #ececea;
    --fg-soft: #9c9c98;
    --fg-faint: #5c5c58;
    --line: #26262a;
  }
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  overflow: hidden; /* single viewport, no scrolling */
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--fg);
  text-decoration-color: var(--fg-faint);
  text-underline-offset: 0.2em;
  transition: text-decoration-color 0.2s ease;
}
a:hover { text-decoration-color: var(--fg); }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
  border-radius: 2px;
}

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

/* ---- Layout chrome ---- */

.site-header,
.site-footer {
  width: min(var(--max-w), 100% - var(--pad) * 2);
  margin-inline: auto;
  flex: none;
}

.site-header {
  padding-block: 1.5rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}

.site-nav { font-family: var(--mono); font-size: 0.8rem; }
.nav-toggle {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--fg-soft);
  transition: color 0.2s ease;
}
.nav-toggle:hover { color: var(--fg); }

.site-footer {
  padding-block: 1.5rem;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  position: relative;
  z-index: 2;
}
.footer-meta {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--fg-faint);
}

.wordmark {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.wordmark-dot { color: var(--fg-faint); }
.wordmark.small { font-size: 0.8rem; }

/* ---- Views: two full-height cards, one visible at a time ---- */

main {
  flex: 1;
  position: relative;
  min-height: 0;
}

.view {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: min(var(--max-w), 100% - var(--pad) * 2);
  margin-inline: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateX(6%) scale(0.99);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease),
              visibility 0s linear 0.45s;
}
/* home slides from left when returning, contact slides from right */
.view-home { transform: translateX(-6%) scale(0.99); }
body[data-view="home"] .view-home { transform: none; }
body[data-view="contact"] .view-contact { transform: none; }

body[data-view="home"] .view-home,
body[data-view="contact"] .view-contact {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

/* ---- Home view ---- */

.hero-name {
  font-size: clamp(2.4rem, 8vw, 4rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 1.1rem;
}

.hero-line {
  font-size: clamp(1.2rem, 3.4vw, 1.5rem);
  font-weight: 400;
  line-height: 1.45;
  margin: 0;
}

.hero-links { margin-top: 2rem; }

.arrow-link {
  font-weight: 500;
  color: var(--fg);
  position: relative;
}
.arrow-link::after {
  content: "→";
  display: inline-block;
  margin-left: 0.35em;
  transition: transform 0.25s ease;
}
.arrow-link:hover::after { transform: translateX(0.3em); }

/* ---- Contact view ---- */

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  width: min(28rem, 100%);
}

.contact-list li {
  border-bottom: 1px solid var(--line);
}
.contact-list li:first-child { border-top: 1px solid var(--line); }

.contact-list a {
  display: block;
  padding-block: 1rem;
  font-family: var(--mono);
  font-size: clamp(0.85rem, 2.6vw, 0.98rem);
  text-decoration: none;
  transition: padding-left 0.25s var(--ease), color 0.2s ease;
}
.contact-list a:hover {
  padding-left: 0.6em;
  text-decoration: none;
  color: var(--fg);
}
.contact-list a::before {
  content: "→ ";
  color: var(--fg-faint);
}

.at { color: var(--fg-faint); }

/* ---- Hint ---- */

.tap-hint {
  margin-top: 2.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--fg-faint);
  animation: hint-pulse 3s ease-in-out infinite;
}
.view-contact .tap-hint { margin-top: 2rem; }

@keyframes hint-pulse {
  0%, 100% { opacity: 0.9; }
  50% { opacity: 0.4; }
}

/* ---- Reduced motion ---- */

@media (prefers-reduced-motion: reduce) {
  .view, .arrow-link::after, .contact-list a {
    transition: none;
  }
  .tap-hint { animation: none; }
}

/* ---- Small screens ---- */

@media (max-width: 480px) {
  .site-header, .site-footer { padding-block: 1.1rem; }
  .view { justify-content: center; }
  .contact-list a { padding-block: 1.15rem; }
}