/* layout.css: page structure, header, sections, grids, footer */
.container { width: min(1120px, 100% - 2.5rem); margin-inline: auto; }
.narrow { max-width: 760px; }

.skip-link { position: absolute; left: 1rem; top: -4rem; background: var(--accent); color: var(--accent-ink); padding: .6rem 1rem; border-radius: var(--radius); z-index: 100; }
.skip-link:focus { top: .75rem; }

.site-header { position: sticky; top: 0; z-index: 50; height: var(--header-h); background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 1rem; }
.brand { font: 700 1.15rem var(--font-head); color: var(--ink); text-decoration: none; }
.site-nav ul { display: flex; gap: .25rem; }
.header-actions { display: flex; gap: .5rem; }
.header-actions .nav-toggle { display: none; }

@media (max-width: 767px) {
  .header-actions .nav-toggle { display: inline-flex; }
  .site-nav { position: absolute; inset: var(--header-h) 0 auto 0; background: var(--bg); border-bottom: 1px solid var(--line); display: none; padding: .5rem 1.25rem 1rem; }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; }
}

.section { padding-block: var(--space); }
.section-alt { background: var(--bg-alt); }
.section-note { color: var(--ink-soft); margin-bottom: 2rem; }

.hero { padding-block: calc(var(--space) * .8) var(--space);
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 32px 32px; background-position: -1px -1px; }
.hero-inner { display: grid; gap: 2.5rem; align-items: end; }
@media (min-width: 900px) { .hero-inner { grid-template-columns: 1.6fr 1fr; } }

.skill-groups { display: grid; gap: 1.25rem; }
.project-grid { display: grid; gap: 1.25rem; }
.two-col { display: grid; gap: 3rem; }
@media (min-width: 640px) { .skill-groups, .project-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .project-grid { grid-template-columns: repeat(3, 1fr); } .skill-groups { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 900px) { .two-col { grid-template-columns: 1fr 1fr; } }

.site-footer { border-top: 1px solid var(--line); padding-block: 3rem 2rem; text-align: center; color: var(--ink-soft); font-size: var(--step--1); }
.footer-inner p { margin: 0 auto; }
.footer-name { font: 700 var(--step-1) var(--font-head); color: var(--ink); }
.footer-sub { margin-top: .25rem !important; }


.footer-copy { margin-top: 2rem !important; padding-top: 1.5rem; border-top: 1px solid var(--line); max-width: 420px; }

.about-grid { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 800px) { .about-grid { grid-template-columns: 340px 1fr; gap: 3.5rem; } }

.about-photo { margin: 0; }
.about-photo img {
  width: 100%; aspect-ratio: 4 / 5; object-fit: cover;
  border-radius: var(--radius); border: 1px solid var(--line);
  box-shadow: 10px 10px 0 var(--accent);
}