/* ==========================================================================
   Layout, components, and page-specific rules.
   Design tokens now live in tokens.css — this file only consumes them via
   var(--...). Load order: tokens.css -> components.css -> styles.css.
   ========================================================================== */

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  margin: 0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-0);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Visible, consistent focus ring everywhere — never removed. */
:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ==========================================================================
   Header / nav
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: var(--border-width) solid var(--color-border);
  z-index: 50;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-s);
}
.logo { font-weight: var(--font-weight-bold); font-size: var(--font-size-1); }
.nav-links {
  display: flex;
  gap: var(--space-m);
}
.nav-links a {
  color: var(--color-text-muted);
  font-size: var(--font-size-n1);
  transition: color var(--duration-fast) var(--easing-standard);
}
.nav-links a:hover { color: var(--color-text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding-block: var(--space-2xl) var(--space-xl);
}
.eyebrow {
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-n1);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-s);
}
.hero-title {
  font-size: var(--font-size-5);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  max-width: 20ch;
}
.hero-subtitle {
  margin-top: var(--space-s);
  color: var(--color-text-muted);
  font-size: var(--font-size-1);
  max-width: 50ch;
}
.hero-actions {
  display: flex;
  gap: var(--space-s);
  margin-top: var(--space-m);
}

.btn {
  display: inline-block;
  padding: var(--space-xs) var(--space-m);
  border-radius: var(--radius-md);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-n1);
  transition: transform var(--duration-fast) var(--easing-standard),
              background var(--duration-fast) var(--easing-standard),
              opacity var(--duration-fast) var(--easing-standard);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-primary); color: var(--color-text-on-accent); }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-secondary { background: var(--color-surface); color: var(--color-text); border: var(--border-width) solid var(--color-border); }
.btn-secondary:hover { background: var(--color-surface-raised); border-color: var(--color-border-strong); }

/* ==========================================================================
   Sections
   ========================================================================== */
section { padding-block: var(--space-xl); }
.section-title {
  font-size: var(--font-size-3);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-l);
}
.section-lead {
  color: var(--color-text-muted);
  font-size: var(--font-size-n1);
  max-width: 60ch;
  margin-top: calc(var(--space-l) * -1 + var(--space-2xs));
  margin-bottom: var(--space-l);
}

/* Work / projects (carousel — see components.css for .carousel base rules) */
.media-card {
  background: var(--color-surface-raised);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-m);
  height: 100%;
  transition: box-shadow var(--duration-base) var(--easing-standard),
              transform var(--duration-base) var(--easing-standard);
}
.media-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.project-thumb {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--color-accent-200), var(--color-surface));
  margin-bottom: var(--space-s);
}
.media-card h3 { font-size: var(--font-size-1); margin-bottom: var(--space-3xs); }
.media-card p { color: var(--color-text-muted); font-size: var(--font-size-n1); }
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3xs);
  margin-top: var(--space-s);
}
.project-tags span {
  font-size: var(--font-size-n2);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: var(--color-surface-raised);
  border: var(--border-width) solid var(--color-border);
  color: var(--color-text-muted);
}

/* Gallery (thumbnail grid -> lightbox, see components.css) */
.gallery-item-caption { display: none; } /* captions live in the lightbox, not the grid */

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-l);
  align-items: start;
}
.about-photo {
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
}
.about-text p { color: var(--color-text-muted); font-size: var(--font-size-1); }
.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  margin-top: var(--space-m);
}
.skills-list li {
  font-size: var(--font-size-n1);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
}

/* Contact */
.contact { text-align: center; }
.contact-text {
  color: var(--color-text-muted);
  font-size: var(--font-size-1);
  max-width: 40ch;
  margin-inline: auto;
  margin-bottom: var(--space-m);
}

/* Footer */
.site-footer {
  border-top: var(--border-width) solid var(--color-border);
  padding-block: var(--space-m);
}
.footer-inner {
  color: var(--color-text-muted);
  font-size: var(--font-size-n2);
  text-align: center;
}

/* Skip link — visible on focus */
.skip-link {
  position: absolute;
  left: var(--space-s);
  top: -100px;
  background: var(--color-primary);
  color: var(--color-text-on-accent);
  padding: var(--space-2xs) var(--space-s);
  border-radius: var(--radius-sm);
  transition: top var(--duration-base) var(--easing-standard);
  z-index: 100;
}
.skip-link:focus { top: var(--space-s); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: var(--border-width) solid var(--color-border);
    flex-direction: column;
    padding: var(--space-m);
    gap: var(--space-s);
    display: none;
  }
  .nav-links.open { display: flex; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { width: 140px; }
  .hero-actions { flex-direction: column; }
  .btn { text-align: center; }
}