:root, [data-theme="light"] {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);

  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --color-bg: #f5f4f1;
  --color-surface: #fcfbf8;
  --color-surface-2: #efede8;
  --color-border: #d5d1c8;
  --color-text: #22201b;
  --color-text-muted: #666258;
  --color-primary: #0f6b6e;
  --color-primary-strong: #0b4c50;
  --color-primary-soft: #d9e7e5;
  --color-divider: #dedbd4;
  --radius-sm: .5rem;
  --radius-md: .9rem;
  --radius-lg: 1.4rem;
  --shadow-sm: 0 10px 30px rgba(26, 30, 28, .07);
  --shadow-md: 0 18px 40px rgba(26, 30, 28, .1);
  --content: 1160px;
  --font-body: 'Manrope', system-ui, sans-serif;
  --font-display: 'Literata', Georgia, serif;
}

[data-theme="dark"] {
  --color-bg: #151513;
  --color-surface: #1c1c19;
  --color-surface-2: #24241f;
  --color-border: #37362f;
  --color-text: #ece9df;
  --color-text-muted: #b2aea3;
  --color-primary: #6eb0b1;
  --color-primary-strong: #96cccd;
  --color-primary-soft: #223636;
  --color-divider: #2d2c27;
  --shadow-sm: 0 10px 30px rgba(0, 0, 0, .24);
  --shadow-md: 0 18px 40px rgba(0, 0, 0, .32);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--color-surface);
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 50;
}
.skip-link:focus { top: 1rem; }

.container {
  width: min(calc(100% - 2rem), var(--content));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
}

.nav-wrap, .footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  font-weight: 700;
}
.brand-mark {
  width: 2.25rem;
  height: 2.25rem;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.top-nav a {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.top-nav a:hover { color: var(--color-text); }

.theme-toggle {
  min-width: 44px;
  min-height: 44px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--color-text) 14%, transparent);
  background: var(--color-surface);
  color: var(--color-text);
}

.hero {
  padding: clamp(3rem, 6vw, 6rem) 0 var(--space-16);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: var(--space-10);
  align-items: center;
}
.eyebrow, .section-label {
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: var(--text-xs);
  margin-bottom: var(--space-3);
  font-weight: 700;
}
.hero h1, h2 {
  font-family: var(--font-display);
  line-height: 1.08;
  letter-spacing: -0.03em;
}
.hero h1 {
  font-size: var(--text-2xl);
  margin: 0 0 var(--space-4);
  max-width: 11ch;
}
.lead, .lead-small {
  color: var(--color-text-muted);
  max-width: 64ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  margin: var(--space-8) 0 var(--space-6);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: .85rem 1.15rem;
  border-radius: 999px;
  font-size: var(--text-sm);
  font-weight: 700;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-strong); }
.btn-secondary {
  border-color: color-mix(in srgb, var(--color-text) 14%, transparent);
  background: var(--color-surface);
}
.hero-facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  padding: 0;
  margin: 0;
}
.hero-facts li {
  padding: .7rem .95rem;
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
  border-radius: 999px;
  font-size: var(--text-sm);
}
.hero-card {
  background: linear-gradient(180deg, var(--color-surface), var(--color-surface-2));
  border: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
  border-radius: calc(var(--radius-lg) + .35rem);
  padding: var(--space-5);
  box-shadow: var(--shadow-md);
}
.hero-card img {
  width: 100%;
  border-radius: calc(var(--radius-lg) - .2rem);
  background: var(--color-surface-2);
}
.hero-card-note {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-primary) 8%, var(--color-surface));
}
.hero-card-note p {
  margin: 0 0 .35rem;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.section {
  padding: clamp(3rem, 6vw, 6rem) 0;
}
.section-alt { background: color-mix(in srgb, var(--color-surface) 70%, var(--color-primary-soft)); }
.two-col, .project-layout, .split-panel, .contact-box {
  display: grid;
  gap: var(--space-8);
}
.two-col { grid-template-columns: .9fr 1.1fr; }
.stack-text p { margin: 0 0 var(--space-4); color: var(--color-text-muted); }

h2 {
  font-size: var(--text-xl);
  margin: 0;
  max-width: 14ch;
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  margin-top: var(--space-8);
}
.info-card, .project-card, .panel, .timeline article {
  background: var(--color-surface);
  border: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.info-card h3, .project-card h3 {
  margin-top: 0;
  margin-bottom: .75rem;
  font-size: var(--text-lg);
}
.info-card p, .project-card p, .timeline p, .panel li, .contact-box p {
  color: var(--color-text-muted);
  margin: 0;
}
.timeline {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-8);
}
.timeline article {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--space-5);
  align-items: start;
}
.timeline span {
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.project-layout { grid-template-columns: .8fr 1.2fr; }
.project-cards {
  display: grid;
  gap: var(--space-4);
}
.project-card {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  align-items: end;
}
.project-card a {
  color: var(--color-primary);
  font-weight: 700;
  white-space: nowrap;
}
.featured {
  background: linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 10%, var(--color-surface)), var(--color-surface));
}
.split-panel {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.clean-list {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
  display: grid;
  gap: .9rem;
}
.clean-list.small li { font-size: var(--text-sm); }
.contact-box {
  grid-template-columns: 1.2fr .8fr;
  align-items: center;
  background: linear-gradient(180deg, var(--color-surface), color-mix(in srgb, var(--color-primary) 6%, var(--color-surface)));
  border: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
  border-radius: calc(var(--radius-lg) + .5rem);
  padding: clamp(1.5rem, 3vw, 3rem);
  box-shadow: var(--shadow-md);
}
.contact-links {
  display: grid;
  gap: .8rem;
  justify-items: start;
}
.contact-links a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: .85rem 1rem;
  background: var(--color-bg);
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
}
.site-footer {
  border-top: 1px solid var(--color-divider);
  padding-bottom: var(--space-6);
}
.site-footer p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

@media (max-width: 920px) {
  .hero-grid,
  .two-col,
  .project-layout,
  .split-panel,
  .contact-box,
  .cards-grid,
  .timeline article {
    grid-template-columns: 1fr;
  }

  .project-card {
    flex-direction: column;
    align-items: start;
  }

  .nav-wrap,
  .footer-wrap {
    flex-direction: column;
    align-items: start;
  }
}

@media (max-width: 640px) {
  .top-nav {
    gap: .75rem;
  }

  .hero-card,
  .info-card,
  .project-card,
  .panel,
  .timeline article,
  .contact-box {
    padding: var(--space-5);
  }

  .hero h1 {
    max-width: 100%;
  }
}

.easter-egg[hidden] {
  display: none;
}

.easter-egg {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.28);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: end right;
  padding: 1.25rem;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.easter-egg.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.easter-egg-inner {
  width: min(360px, 100%);
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1rem 1rem 0.9rem;
}

.easter-egg-label {
  margin: 0 0 0.4rem;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  font-weight: 700;
}

.easter-egg-inner h3 {
  margin: 0 0 0.35rem;
  font-size: var(--text-lg);
}

.easter-egg-inner p {
  margin: 0 0 0.9rem;
  color: var(--color-text-muted);
}

.easter-egg-inner button {
  min-height: 40px;
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--color-text) 12%, transparent);
  background: var(--color-bg);
  color: var(--color-text);
}