/* ============================================================
   LAYOUT — Page structure, containers, section spacing
   ============================================================ */

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ── Nav ───────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1), opacity 300ms ease;
}

.nav.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.nav-inner {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  padding: var(--space-16) 0 var(--space-12);
  border-bottom: 1px solid var(--border-light);
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-12);
}

.hero-content {
  flex: 1;
  min-width: 0;
}

.hero-photo {
  flex-shrink: 0;
}

/* ── Sections ──────────────────────────────────────────────── */
.section {
  padding: var(--space-12) 0;
  border-bottom: 1px solid var(--border-light);
}

.section:last-child {
  border-bottom: none;
}

.section-label {
  font-family: var(--font);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: var(--space-8);
}

/* ── Projects Grid ─────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

/* ── Tech Stack Grid ───────────────────────────────────────── */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-6) var(--space-8);
}

/* ── Footer ────────────────────────────────────────────────── */
.footer {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--border-light);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}