/* tokens */
:root {
  --bg: #f5f3ee;
  --bg-elev: #ffffff;
  --bg-dark: #0a0a0a;
  --text: #0a0a0a;
  --text-muted: #5c5c5c;
  --text-soft: #8a8a8a;
  --line: #e5e1d8;
  --accent: #ff3d00;
  --accent-ink: #cc2f00;

  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --content-width: 720px;
  --wide-width: 1200px;

  --radius: 14px;
  --radius-sm: 8px;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 5rem;
  --space-7: 8rem;

  --transition: 200ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 18px/1.6 var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* dark mode is a v2 problem */

/* skip link */
.skip-link {
  position: absolute;
  top: -100px; left: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: var(--text); color: var(--bg);
  z-index: 100;
  transition: top var(--transition);
}
.skip-link:focus { top: var(--space-2); }

/* containers */
.container,
.container-wide {
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-3);
}
.container { max-width: var(--content-width); }
.container-wide { max-width: var(--wide-width); }

/* nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.nav.scrolled { border-bottom-color: var(--line); }

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  max-width: var(--wide-width);
  margin: 0 auto;
}

.nav-brand {
  font-weight: 700;
  letter-spacing: -0.01em;
}
.nav-brand::before {
  content: '●';
  color: var(--accent);
  margin-right: 0.5em;
  font-size: 0.85em;
  display: inline-block;
  transform: translateY(-1px);
}

.nav-links {
  display: flex;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9375rem;
}
.nav-links a { color: var(--text-muted); transition: color var(--transition); }
.nav-links a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--text);
  transition: background var(--transition);
}
.nav-toggle:hover { background: var(--line); }
.nav-toggle svg { width: 20px; height: 20px; }
.nav-toggle .icon-close { display: none; }
.nav.is-open .nav-toggle .icon-open { display: none; }
.nav.is-open .nav-toggle .icon-close { display: block; }

@media (max-width: 640px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: absolute;
    inset: 100% 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: color-mix(in srgb, var(--bg) 96%, transparent);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--line);
    padding: var(--space-2) var(--space-3);
    font-size: 1rem;
    display: none;
  }
  .nav.is-open .nav-links { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--line); }
  .nav-links li:last-child { border: 0; }
  .nav-links a { display: block; padding: var(--space-2) 0; color: var(--text); }
}

/* hero */
.hero { padding: var(--space-7) 0 var(--space-6); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: var(--space-5);
  align-items: center;
}

.hero-portrait {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px -24px rgba(10, 10, 10, 0.45);
}
.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 4;
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--space-4); }
  .hero-body { order: 2; }
  .hero-portrait {
    order: 1;
    width: clamp(160px, 45vw, 220px);
    aspect-ratio: 1 / 1;
    border-radius: 50%;
    margin: 0 auto;
  }
  .hero-portrait img {
    aspect-ratio: auto;
    height: 100%;
    object-position: center 18%;
  }
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-soft);
  margin: 0 0 var(--space-3);
  display: flex;
  align-items: center;
  gap: 0.75em;
}
.hero-eyebrow::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--text-soft);
}

.hero-headline {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0 0 var(--space-4);
}
.hero-headline .break { display: block; }
.hero-headline .accent,
.logbook-feature-headline .accent { color: var(--accent); }

.hero-subline {
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 36em;
  margin: 0 0 var(--space-4);
}
.hero-subline strong { color: var(--text); font-weight: 500; }

/* buttons */
.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-3);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.875em 1.5em;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}
.btn svg { width: 16px; height: 16px; }
.btn:hover { transform: translateY(-1px); }

.btn-primary { background: var(--text); color: var(--bg); }
.btn-primary:hover { background: var(--accent); }

.btn-secondary { background: transparent; color: var(--text); border-color: var(--text); }
.btn-secondary:hover { background: var(--text); color: var(--bg); }

/* socials: separators in CSS, not html */
.social-links {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-soft);
  list-style: none;
  padding: 0;
}
.social-links li { display: flex; align-items: center; gap: var(--space-2); }
.social-links li + li::before { content: '/'; opacity: 0.4; }
.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  padding: 0.35em 0.65em;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.social-links a:hover { color: var(--text); background: var(--line); }
.social-links svg { width: 14px; height: 14px; }

/* section scaffolding */
section { padding: var(--space-6) 0; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin: 0 0 var(--space-3);
  display: flex;
  align-items: center;
  gap: 0.75em;
}
.section-label::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--text-soft);
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-4);
  max-width: 18em;
}

/* work: horizontal scroller. snap so cards land in place. */
.work { padding: var(--space-6) 0; }
.work-header {
  padding: 0 var(--space-3);
  max-width: var(--wide-width);
  margin: 0 auto var(--space-4);
}

.work-strip {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  scroll-padding: max(var(--space-3), calc((100vw - var(--wide-width)) / 2 + var(--space-3)));
  padding: var(--space-2) max(var(--space-3), calc((100vw - var(--wide-width)) / 2 + var(--space-3))) var(--space-4);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.work-strip::-webkit-scrollbar { height: 6px; }
.work-strip::-webkit-scrollbar-track { background: transparent; }
.work-strip::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }

.project-card {
  flex: 0 0 min(560px, 85vw);
  scroll-snap-align: start;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: relative;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.project-card:hover {
  transform: translateY(-3px);
  border-color: var(--text);
  box-shadow: 0 12px 40px -20px rgba(0, 0, 0, 0.25);
}

.project-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0;
}
.project-role { color: var(--accent); }

.project-title {
  font-size: 1.625rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0;
}

.project-blurb {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0;
  flex: 1;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4em;
  list-style: none;
  padding: 0;
  margin: var(--space-2) 0 0;
}
.chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.35em 0.7em;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text-muted);
}

.project-card-link {
  margin-top: auto;
  padding-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--accent);
  align-self: flex-start;
  transition: color var(--transition), transform var(--transition);
}
.project-card-link:hover { color: var(--accent-ink); transform: translateX(2px); }

.strip-hint {
  max-width: var(--wide-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-soft);
  letter-spacing: 0.05em;
  display: none;
}
.strip-hint::before { content: '→  '; }
@media (max-width: 900px) { .strip-hint { display: block; } }

/* logbook feature: the showpiece. dark band that fades in and out. */
.logbook-feature {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-dark) 8%, var(--bg-dark) 92%, var(--bg) 100%);
  color: #f5f3ee;
  padding: var(--space-7) 0;
  overflow: hidden;
}
.logbook-feature .section-label { color: rgba(245, 243, 238, 0.55); }
.logbook-feature .section-label::before { background: rgba(245, 243, 238, 0.4); }

.logbook-feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: var(--space-6);
  align-items: start;
}
@media (max-width: 900px) {
  .logbook-feature-grid { grid-template-columns: 1fr; gap: var(--space-5); }
}

.logbook-feature-headline {
  font-size: clamp(1.875rem, 3.6vw, 2.75rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-4);
}

.logbook-feature-body p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: rgba(245, 243, 238, 0.78);
  margin: 0 0 var(--space-3);
}

.logbook-feature-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245, 243, 238, 0.45);
  margin: var(--space-4) 0 0;
}

/* screenshot gallery: horizontal snap-scroll on all sizes */
.logbook-gallery {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  margin: 0 calc(var(--space-3) * -1);
  padding: var(--space-2) var(--space-3) var(--space-4);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(245, 243, 238, 0.2) transparent;
}
.logbook-gallery::-webkit-scrollbar { height: 6px; }
.logbook-gallery::-webkit-scrollbar-track { background: transparent; }
.logbook-gallery::-webkit-scrollbar-thumb { background: rgba(245, 243, 238, 0.2); border-radius: 3px; }

.logbook-shot {
  flex: 0 0 min(220px, 56vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin: 0;
}
@media (min-width: 900px) { .logbook-shot { flex: 0 0 240px; } }

.logbook-shot-frame {
  background: #000;
  border: 1px solid rgba(245, 243, 238, 0.12);
  border-radius: 28px;
  padding: 6px;
  box-shadow: 0 24px 60px -28px rgba(0, 0, 0, 0.6),
              0 8px 24px -14px rgba(0, 0, 0, 0.5);
  transition: transform var(--transition), border-color var(--transition);
}
.logbook-shot:hover .logbook-shot-frame {
  transform: translateY(-4px);
  border-color: rgba(245, 243, 238, 0.25);
}
.logbook-shot-frame img {
  width: 100%;
  height: auto;
  border-radius: 22px;
}
.logbook-shot-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(245, 243, 238, 0.5);
  padding: 0 var(--space-1);
}

/* about */
.about p {
  font-size: 1.0625rem;
  line-height: 1.7;
  margin: 0 0 var(--space-3);
}
.about p:last-child { margin: 0; }

/* beyond code */
.beyond-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-3);
}
@media (max-width: 720px) { .beyond-grid { grid-template-columns: 1fr; } }

.beyond-tile {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  transition: transform var(--transition), border-color var(--transition);
}
.beyond-tile:hover { transform: translateY(-2px); border-color: var(--text); }

.beyond-icon { font-size: 1.5rem; margin-bottom: var(--space-1); }
.beyond-title { font-size: 1rem; font-weight: 700; letter-spacing: -0.01em; margin: 0; }
.beyond-blurb { font-size: 0.875rem; line-height: 1.55; color: var(--text-muted); margin: 0; }

.station-piano { margin-top: var(--space-5); }
.station-piano-title { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; margin: 0; }
.station-piano-note { font-size: 0.9375rem; color: var(--text-muted); margin: var(--space-1) 0 var(--space-3); }

.video-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
@media (max-width: 720px) { .video-strip { grid-template-columns: 1fr; } }

.video-item { margin: 0; }
.video-item video {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--bg-dark);
}

/* contact */
.contact { padding: var(--space-7) 0 var(--space-6); }
.contact-inner { border-top: 1px solid var(--line); padding-top: var(--space-5); }

.contact-headline {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-3);
  max-width: 14em;
}
.contact-headline a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.12em;
  transition: color var(--transition);
}
.contact-headline a:hover { color: var(--accent-ink); }

/* footer */
footer {
  padding: var(--space-4) 0 var(--space-5);
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-soft);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.footer-links {
  display: flex;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links a { transition: color var(--transition); }
.footer-links a:hover { color: var(--text); }

/* tighter spacing on phones */
@media (max-width: 640px) {
  .hero { padding: var(--space-5) 0 var(--space-4); }
  section { padding: var(--space-5) 0; }
}