/* qubicfold — modern dark tech aesthetic */

:root {
  --bg: oklch(15% 0.012 240);
  --bg-alt: oklch(18% 0.014 240);
  --bg-elev: oklch(21% 0.016 240);
  --fg: oklch(94% 0.012 240);
  --fg-muted: oklch(70% 0.018 240);
  --fg-dim: oklch(50% 0.014 240);
  --accent: oklch(82% 0.13 175);
  --accent-deep: oklch(70% 0.15 175);
  --accent-soft: oklch(82% 0.13 175 / 0.12);
  --border: oklch(28% 0.014 240);
  --border-soft: oklch(24% 0.012 240);
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, monospace;
  --maxw: 1180px;
  --pad-x: clamp(1.25rem, 4vw, 3rem);
  --radius: 4px;
  --transition: 280ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

@view-transition { navigation: auto; }

*, *::before, *::after { box-sizing: border-box; }

html {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-feature-settings: "ss01", "cv11";
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  min-height: 100dvh;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, oklch(82% 0.13 175 / 0.08), transparent 60%),
    var(--bg);
  line-height: 1.5;
}

.mono { font-family: var(--font-mono); font-size: 0.92em; letter-spacing: -0.01em; }
.accent { color: var(--accent); }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--bg);
  padding: 0.5rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 1rem; top: 1rem; }

a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

img { max-width: 100%; height: auto; display: block; }

/* ----- nav ----- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem var(--pad-x);
  background: oklch(15% 0.012 240 / 0.7);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  border-bottom: 1px solid var(--border-soft);
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  color: var(--accent);
}
.nav__mark { width: 22px; height: 22px; }
.nav__wordmark { color: var(--fg); }

.nav__links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.84rem;
}
.nav__links a {
  color: var(--fg-muted);
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--accent); }

@media (max-width: 540px) {
  .nav__links { gap: 1.1rem; font-size: 0.78rem; }
}

/* ----- hero (homepage) ----- */
.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: center;
  padding: 6rem var(--pad-x) 4rem;
  overflow: hidden;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, oklch(28% 0.014 240 / 0.4) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(28% 0.014 240 / 0.4) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, black, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, black, transparent 75%);
  pointer-events: none;
}

.hero__art {
  position: absolute;
  right: -4%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(340px, 42vw, 620px);
  z-index: 1;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  opacity: 0.85;
  animation: heroFloat 700ms 200ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.hero__art img { width: 100%; height: auto; }

@keyframes heroFloat {
  from { opacity: 0; transform: translateY(-50%) translateX(20px); }
  to { opacity: 0.85; transform: translateY(-50%) translateX(0); }
}

@media (max-width: 980px) {
  .hero__art { display: none; }
}

.hero__content {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  width: 100%;
  z-index: 2;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
  margin: 0 0 1.5rem;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  animation: fadeUp 600ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero__title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 1.5rem;
  color: var(--fg);
  max-width: 18ch;
  animation: fadeUp 700ms 80ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero__lede {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--fg-muted);
  max-width: 56ch;
  margin: 0 0 2.5rem;
  animation: fadeUp 700ms 160ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero__cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  animation: fadeUp 700ms 240ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
}
.btn--primary {
  background: var(--accent);
  color: oklch(15% 0.012 240);
}
.btn--primary:hover {
  background: var(--accent-deep);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px -8px oklch(82% 0.13 175 / 0.4);
}
.btn--ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero__signal {
  position: absolute;
  bottom: 2rem;
  left: var(--pad-x);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--fg-dim);
  z-index: 2;
}
.hero__signal-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ----- sections (shared) ----- */
.section {
  position: relative;
  padding: 6rem var(--pad-x);
  max-width: var(--maxw);
  margin: 0 auto;
}
.section--alt {
  background: linear-gradient(180deg, transparent, var(--bg-alt) 8%, var(--bg-alt) 92%, transparent);
  max-width: none;
  margin: 0;
  padding: 6rem var(--pad-x);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.section--alt > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }

.section__header { margin-bottom: 3rem; }
.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
  margin: 0 0 1rem;
  letter-spacing: 0.04em;
}
.section__title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  line-height: 1.1;
}
.section__lede {
  color: var(--fg-muted);
  max-width: 56ch;
  margin: 0;
  font-size: 1rem;
}

/* ----- project grid (homepage) ----- */
.project-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.project-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  color: inherit;
  text-decoration: none;
  position: relative;
}
.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px -16px oklch(82% 0.13 175 / 0.3);
}
.project-card:hover .project-card__thumb img { transform: scale(1.04); }
.project-card:hover .project-card__cta { color: var(--accent); }

.project-card__thumb {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg);
}
.project-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.project-card__body {
  padding: 1.4rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.project-card__name {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
  margin: 0;
  letter-spacing: -0.01em;
}
.project-card__name .prefix { color: var(--accent); }

.project-card__tagline {
  color: var(--fg-muted);
  font-size: 0.92rem;
  margin: 0 0 0.5rem;
  flex: 1;
  line-height: 1.5;
}

.project-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--fg-dim);
  text-transform: lowercase;
  letter-spacing: 0.03em;
}
.project-card__status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.project-card__status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--fg-dim);
}
.project-card__status[data-status="live"]::before { background: var(--accent); }
.project-card__status[data-status="in development"]::before { background: oklch(78% 0.15 70); }
.project-card__status[data-status="prototype"]::before { background: oklch(70% 0.14 280); }
.project-card__status[data-status="shipped"]::before { background: var(--accent); }
.project-card__status[data-status="dormant"]::before { background: var(--fg-dim); }

.project-card__cta {
  transition: color var(--transition);
}

.project-card--placeholder {
  background: transparent;
  border-style: dashed;
  border-color: var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  min-height: 240px;
}
.project-card--placeholder::after { content: "+ more soon"; }

/* ----- about ----- */
.about {
  display: grid;
  gap: 1.5rem;
  max-width: 68ch;
  font-size: 1rem;
  color: var(--fg-muted);
}
.about p { margin: 0; line-height: 1.7; }

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border-soft);
}
.meta-grid > div { margin: 0; }
.meta-grid dt {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--fg-dim);
  text-transform: lowercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}
.meta-grid dd {
  margin: 0;
  color: var(--fg);
  font-size: 0.95rem;
}

/* ----- contact ----- */
.contact { display: grid; gap: 1rem; max-width: 540px; }
.contact__link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.contact__link:hover {
  border-color: var(--accent);
  transform: translateX(4px);
}
.contact__link:hover .contact__arrow { transform: translateX(4px); color: var(--accent); }
.contact__label { color: var(--accent); font-size: 0.78rem; }
.contact__value { color: var(--fg); font-family: var(--font-mono); font-size: 0.95rem; }
.contact__arrow { color: var(--fg-muted); transition: all var(--transition); font-family: var(--font-mono); }

/* ----- footer ----- */
.footer {
  border-top: 1px solid var(--border-soft);
  padding: 3rem var(--pad-x);
  margin-top: 4rem;
  background: var(--bg-alt);
}
.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: end;
}
@media (max-width: 600px) {
  .footer__inner { grid-template-columns: 1fr; }
}
.footer__brand {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
  color: var(--accent);
}
.footer__tagline { margin: 0; color: var(--fg-muted); font-size: 0.92rem; }
.footer__meta { text-align: right; }
.footer__meta p { margin: 0; color: var(--fg-dim); font-size: 0.78rem; }
@media (max-width: 600px) { .footer__meta { text-align: left; } }

/* ============================================================
   PROJECT SUBPAGE
   ============================================================ */

.project-hero {
  position: relative;
  padding: 5rem var(--pad-x) 4rem;
  overflow: hidden;
  border-bottom: 1px solid var(--border-soft);
}
.project-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.project-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.42;
}
.project-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, oklch(15% 0.012 240 / 0.6) 0%, oklch(15% 0.012 240 / 0.85) 60%, var(--bg) 100%),
    linear-gradient(90deg, var(--bg) 0%, transparent 35%);
}

.project-hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
}

.project-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin-bottom: 2.5rem;
  transition: color var(--transition);
}
.project-hero__back:hover { color: var(--accent); }

.project-hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
  margin: 0 0 1rem;
  letter-spacing: 0.04em;
}

.project-hero__title {
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  line-height: 1.05;
  color: var(--fg);
}
.project-hero__title .prefix { color: var(--accent); }

.project-hero__tagline {
  font-size: clamp(1.05rem, 1.8vw, 1.35rem);
  color: var(--fg-muted);
  max-width: 60ch;
  margin: 0 0 2rem;
  line-height: 1.5;
}

.project-hero__pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  border-radius: 999px;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}
.pill--status[data-status="in development"]::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: oklch(78% 0.15 70);
}
.pill--status[data-status="live"]::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}
.pill--access {
  color: var(--accent);
  border-color: var(--accent-soft);
}

/* ----- project body ----- */
.project-body {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 4rem var(--pad-x);
}

.project-body__bio {
  font-size: clamp(1.05rem, 1.4vw, 1.18rem);
  color: var(--fg);
  max-width: 70ch;
  margin: 0 0 4rem;
  line-height: 1.6;
}

.project-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}
@media (max-width: 820px) {
  .project-cols { grid-template-columns: 1fr; gap: 2.5rem; }
}

.project-col__title {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
  text-transform: lowercase;
  letter-spacing: 0.04em;
  margin: 0 0 1.5rem;
}

.project-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.85rem;
}
.project-list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--fg-muted);
  line-height: 1.55;
  font-size: 0.96rem;
}
.project-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 8px;
  height: 8px;
  border: 1px solid var(--accent);
  background: var(--accent-soft);
}

.project-details {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.25rem;
}
.project-details li {
  padding: 1rem 1.25rem;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius);
  color: var(--fg-muted);
  font-size: 0.94rem;
  line-height: 1.6;
}

.tech-stack {
  border-top: 1px solid var(--border-soft);
  padding-top: 3rem;
  margin-bottom: 4rem;
}
.tech-stack__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--fg-muted);
  letter-spacing: -0.01em;
}

.collaborate {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  border-radius: var(--radius);
  padding: 2rem 2.25rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1.5rem;
}
@media (max-width: 600px) {
  .collaborate { grid-template-columns: 1fr; }
}
.collaborate__copy h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
}
.collaborate__copy p {
  margin: 0;
  color: var(--fg-muted);
  font-size: 0.94rem;
}

/* ----- animations ----- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@supports (animation-timeline: view()) {
  .project-card,
  .about > p,
  .meta-grid,
  .contact__link,
  .project-list li,
  .project-details li,
  .chip {
    animation: revealOnScroll linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 60%;
  }
}
@keyframes revealOnScroll {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */

.about-bio {
  max-width: 70ch;
  margin: 0 0 4rem;
  display: grid;
  gap: 1.5rem;
  font-size: clamp(1rem, 1.4vw, 1.12rem);
  color: var(--fg-muted);
  line-height: 1.7;
}
.about-bio p { margin: 0; }
.about-bio strong { color: var(--fg); font-weight: 600; }

.building-now {
  margin: 4rem 0;
  padding-top: 3rem;
  border-top: 1px solid var(--border-soft);
}

.building-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.5rem;
}
.building-list a {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: var(--bg-elev);
  transition: all var(--transition);
}
.building-list a:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}
.building-list__name {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--fg);
}
.building-list__tag {
  color: var(--fg-muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.about-contact {
  margin: 4rem 0 0;
  padding-top: 3rem;
  border-top: 1px solid var(--border-soft);
}
.about-contact .contact { margin-top: 1.5rem; max-width: 540px; }

.footer__link {
  color: var(--fg-muted);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
}
.footer__link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

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