:root {
  --bg: oklch(0.18 0.012 248);
  --surface: oklch(0.22 0.013 248);
  --surface-strong: oklch(0.27 0.016 248);
  --text: oklch(0.94 0.01 250);
  --muted: oklch(0.76 0.018 246);
  --line: oklch(0.38 0.018 246);
  --brand: oklch(0.73 0.13 162);
  --brand-soft: oklch(0.34 0.055 168);
  --accent: oklch(0.78 0.12 78);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;

  --container: 1100px;
  --radius: 18px;

  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-padding-top: 110px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Source Sans 3', sans-serif;
  line-height: 1.55;
  min-height: 100vh;
  position: relative;
}

h1,
h2,
h3,
.brand {
  font-family: 'Barlow Condensed', sans-serif;
  letter-spacing: 0.02em;
  line-height: 1.05;
  margin: 0;
}

p {
  margin: 0;
  max-width: 72ch;
}

a {
  color: inherit;
}

.container {
  margin-inline: auto;
  max-width: var(--container);
  padding-inline: var(--space-6);
}

.noise,
.halo {
  inset: 0;
  pointer-events: none;
  position: fixed;
  z-index: -1;
}

.halo {
  background:
    radial-gradient(circle at 12% 14%, color-mix(in oklch, var(--brand) 28%, transparent), transparent 38%),
    radial-gradient(circle at 86% 9%, color-mix(in oklch, var(--accent) 22%, transparent), transparent 32%);
  animation: halo-drift 14s var(--ease-out-quint) infinite alternate;
  will-change: transform;
}

.noise {
  background-image: radial-gradient(color-mix(in oklch, var(--text) 10%, transparent) 0.5px, transparent 0.5px);
  background-size: 4px 4px;
  opacity: 0.22;
}

.site-header {
  backdrop-filter: blur(8px);
  background: color-mix(in oklch, var(--bg) 82%, transparent);
  border-bottom: 1px solid color-mix(in oklch, var(--line) 88%, transparent);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  color: var(--brand);
  font-size: 1.35rem;
  text-decoration: none;
  text-transform: uppercase;
}

nav {
  display: flex;
  gap: var(--space-4);
}

nav a {
  align-items: center;
  color: var(--muted);
  display: inline-flex;
  font-size: 0.98rem;
  font-weight: 700;
  min-height: 44px;
  position: relative;
  text-decoration: none;
  transition: color 220ms var(--ease-out-quart);
}

nav a::after {
  background: color-mix(in oklch, var(--brand) 85%, var(--text));
  border-radius: 999px;
  bottom: -6px;
  content: '';
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 240ms var(--ease-out-expo);
  width: 100%;
}

nav a:hover {
  color: var(--brand);
}

nav a:hover::after,
nav a:focus-visible::after {
  transform: scaleX(1);
}

main {
  padding-block: var(--space-16) var(--space-12);
}

.hero {
  border-bottom: 1px solid var(--line);
  display: block;
  max-width: 760px;
  padding-bottom: var(--space-12);
}

.hero-main {
  animation: hero-rise 900ms var(--ease-out-expo) both;
}

.eyebrow,
.section-kicker,
.mini-label {
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.2rem);
  margin-top: var(--space-3);
}

.hero-copy {
  color: var(--muted);
  font-size: 1.18rem;
  margin-top: var(--space-4);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.action {
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 0 0 0 color-mix(in oklch, var(--brand) 20%, transparent);
  color: var(--text);
  font-weight: 700;
  padding: 10px 16px;
  text-decoration: none;
  transition:
    transform 180ms var(--ease-out-quart),
    border-color 180ms var(--ease-out-quart),
    box-shadow 220ms var(--ease-out-quart),
    background-color 220ms var(--ease-out-quart);
}

.action:hover {
  border-color: color-mix(in oklch, var(--brand) 35%, var(--line));
  box-shadow: 0 6px 20px -12px color-mix(in oklch, var(--brand) 68%, transparent);
  transform: translate3d(0, -2px, 0);
}

.action:active {
  transform: translate3d(0, 0, 0) scale(0.98);
}

.action-primary {
  background: var(--brand);
  border-color: var(--brand);
  color: oklch(0.2 0.01 250);
}

.section {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: var(--space-8);
  padding-block: var(--space-12);
  scroll-margin-top: 110px;
}

.section-head {
  display: grid;
  gap: var(--space-3);
}

.section h2,
.contact h2 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  max-width: 26ch;
}

.split {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
}

.split p + p {
  margin-top: var(--space-4);
}

.current-grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.current-grid p + p {
  margin-top: var(--space-4);
}

.current-list {
  display: grid;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}

.current-list li {
  background: color-mix(in oklch, var(--surface) 86%, var(--brand-soft));
  border: 1px solid color-mix(in oklch, var(--line) 88%, var(--brand-soft));
  border-radius: 12px;
  color: var(--muted);
  font-weight: 600;
  padding: 10px 12px;
  transition:
    transform 220ms var(--ease-out-quint),
    border-color 220ms var(--ease-out-quint),
    background-color 220ms var(--ease-out-quint);
}

.current-list li:hover {
  background: color-mix(in oklch, var(--surface-strong) 70%, var(--brand-soft));
  border-color: color-mix(in oklch, var(--brand) 32%, var(--line));
  transform: translate3d(2px, 0, 0);
}

.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
}

.stack-list li {
  background: color-mix(in oklch, var(--brand-soft) 55%, var(--surface));
  border: 1px solid color-mix(in oklch, var(--brand) 24%, var(--line));
  border-radius: 999px;
  color: color-mix(in oklch, var(--brand) 50%, var(--text));
  font-size: 0.92rem;
  font-weight: 700;
  padding: 6px 12px;
}

.project-list {
  display: grid;
  gap: var(--space-2);
}

.project-item {
  align-items: start;
  border-radius: 12px;
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 68px 1fr auto;
  padding-block: var(--space-4);
  transition:
    background-color 260ms var(--ease-out-quint),
    transform 260ms var(--ease-out-quint);
}

.project-item + .project-item {
  border-top: 1px solid color-mix(in oklch, var(--line) 80%, transparent);
}

.project-item:hover {
  background: color-mix(in oklch, var(--surface) 86%, var(--brand-soft));
  transform: translate3d(0, -2px, 0);
}

.project-number {
  color: color-mix(in oklch, var(--accent) 52%, var(--muted));
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 2.4rem;
  font-weight: 600;
  line-height: 0.9;
  transition: color 240ms var(--ease-out-expo), transform 240ms var(--ease-out-expo);
}

.project-item:hover .project-number {
  color: color-mix(in oklch, var(--brand) 52%, var(--accent));
  transform: translate3d(0, -2px, 0);
}

.project-content h3 {
  font-size: 1.7rem;
}

.project-content p {
  color: var(--muted);
  font-size: 1.02rem;
  margin-top: var(--space-2);
}

.project-meta {
  align-items: end;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.chip {
  background: color-mix(in oklch, var(--surface-strong) 80%, var(--brand-soft));
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 10px;
  transition:
    border-color 220ms var(--ease-out-quart),
    transform 220ms var(--ease-out-quart);
}

.project-item:hover .chip {
  border-color: color-mix(in oklch, var(--brand) 30%, var(--line));
  transform: translate3d(0, -1px, 0);
}

.updated {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.repo-link {
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
}

.repo-link:hover {
  text-decoration: underline;
}

.sync-note {
  color: var(--muted);
  font-size: 0.86rem;
  margin-top: var(--space-2);
}

.contact {
  background: linear-gradient(
    160deg,
    color-mix(in oklch, var(--surface) 90%, transparent),
    color-mix(in oklch, var(--brand-soft) 55%, var(--surface))
  );
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 2px);
  margin-top: var(--space-12);
  padding: var(--space-8);
  scroll-margin-top: 110px;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.contact-links a {
  background: color-mix(in oklch, var(--surface) 84%, var(--brand-soft));
  border: 1px solid color-mix(in oklch, var(--brand) 18%, var(--line));
  border-radius: 999px;
  color: color-mix(in oklch, var(--brand) 36%, var(--text));
  font-weight: 700;
  padding: 8px 12px;
  text-decoration: none;
  transition:
    transform 180ms var(--ease-out-quart),
    border-color 200ms var(--ease-out-quart),
    background-color 200ms var(--ease-out-quart);
}

.contact-links a:hover {
  background: color-mix(in oklch, var(--surface-strong) 82%, var(--brand-soft));
  border-color: color-mix(in oklch, var(--brand) 38%, var(--line));
  transform: translate3d(0, -2px, 0);
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
  padding-block: var(--space-4) var(--space-6);
}

[data-reveal] {
  animation: reveal-up 620ms var(--ease-out-quint) both;
}

.section[data-reveal]:nth-of-type(2) {
  animation-delay: 80ms;
}

.section[data-reveal]:nth-of-type(3) {
  animation-delay: 150ms;
}

.contact[data-reveal] {
  animation-delay: 220ms;
}

@keyframes hero-rise {
  from {
    opacity: 0;
    transform: translate3d(0, 22px, 0);
  }

  60% {
    opacity: 1;
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translate3d(0, 18px, 0);
  }

  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes halo-drift {
  from {
    transform: translate3d(-1.2%, -0.6%, 0) scale(1);
  }

  to {
    transform: translate3d(1.2%, 0.8%, 0) scale(1.03);
  }
}

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

  .halo {
    animation: none;
  }
}

@media (max-width: 980px) {
  .split,
  .current-grid {
    grid-template-columns: 1fr;
  }

  .project-item {
    grid-template-columns: 56px 1fr;
  }

  .project-meta {
    align-items: start;
    flex-direction: row;
    flex-wrap: wrap;
    grid-column: 2;
  }
}

@media (max-width: 860px) {
  html {
    scroll-padding-top: 150px;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
    gap: var(--space-3);
    justify-content: center;
    min-height: 0;
    padding-block: var(--space-3);
  }

  .brand {
    align-self: center;
  }

  nav {
    display: grid;
    gap: var(--space-2);
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  nav a {
    background: color-mix(in oklch, var(--surface) 88%, var(--brand-soft));
    border: 1px solid color-mix(in oklch, var(--line) 85%, var(--brand-soft));
    border-radius: 10px;
    justify-content: center;
  }

  nav a::after {
    display: none;
  }

  .section,
  .contact {
    scroll-margin-top: 150px;
  }
}

@media (max-width: 860px) and (orientation: landscape) {
  nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .container {
    padding-inline: var(--space-4);
  }

  .topbar {
    padding-block: var(--space-2) var(--space-3);
  }

  nav a {
    font-size: 0.88rem;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .action {
    justify-content: center;
  }

  .section h2,
  .contact h2 {
    max-width: 18ch;
  }

  .project-item {
    gap: var(--space-2);
    grid-template-columns: 1fr;
    padding-block: var(--space-3);
  }

  .project-number {
    font-size: 1.3rem;
    line-height: 1;
  }

  .project-content h3 {
    font-size: 1.46rem;
  }

  .project-meta {
    align-items: start;
    flex-direction: column;
    grid-column: auto;
  }

  .contact {
    padding: var(--space-6);
  }

  .contact-links {
    flex-direction: column;
  }

  .contact-links a {
    border-radius: 12px;
  }
}

@media (hover: none) {
  nav a:hover {
    color: var(--muted);
  }

  .action:hover,
  .project-item:hover,
  .current-list li:hover,
  .contact-links a:hover {
    transform: none;
  }

  .project-item:hover .project-number,
  .project-item:hover .chip {
    transform: none;
  }
}