/* ============================================================
   LUIS ASSARDO — Design System
   Shared across all pages. Page-specific CSS lives in layouts.
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0c0e12;
  --bg2:      #13161d;
  --bg3:      #181c26;
  --ink:      #e2e8f0;
  --ink-mid:  #8fa3b5;
  --ink-dim:  #4a5a6b;
  --blue:     #4f8ef7;
  --blue-dim: rgba(79,142,247,0.12);
  --blue-rule:rgba(79,142,247,0.25);
  --jade:     #2aaa6e;
  --jade-dim: rgba(42,170,110,0.10);
  --jade-rule:rgba(42,170,110,0.28);
  --rule:     rgba(226,232,240,0.07);
  --rule-mid: rgba(226,232,240,0.12);
  --serif:    'Cormorant Garamond', Georgia, serif;
  --sans:     'DM Sans', system-ui, sans-serif;
}

html  { scroll-behavior: smooth; }
body  {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ── NAVIGATION ── */
nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 3rem; height: 58px;
  background: rgba(12,14,18,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--rule);
}
.nav-logo {
  font-family: var(--serif);
  font-size: 1.2rem; font-weight: 700;
  color: var(--ink);
}
.nav-logo .dot { color: var(--blue); }
.nav-links { display: flex; align-items: center; gap: 0.3rem; list-style: none; }
.nav-links a {
  font-size: 0.73rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-dim);
  padding: 0.35rem 0.7rem; border-radius: 3px;
  transition: color .18s, background .18s;
}
.nav-links a:hover { color: var(--ink); background: rgba(226,232,240,0.05); }
.nav-links a.active { color: var(--blue); }
.nav-links a.ext { color: var(--jade); }
.nav-links a.nav-cta {
  color: var(--blue);
  border: 1px solid var(--blue-rule);
  padding: 0.32rem 0.9rem;
  transition: background .18s, color .18s;
}
.nav-links a.nav-cta:hover { background: var(--blue); color: #fff; border-color: var(--blue); }

/* ── FOOTER ── */
footer {
  padding: 2rem 3.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
  border-top: 1px solid var(--rule);
}
.footer-name { font-family: var(--serif); font-size: 1rem; font-weight: 600; color: var(--ink-mid); }
.footer-tagline { font-size: 0.7rem; letter-spacing: 0.08em; color: var(--ink-dim); }
.footer-right { display: flex; align-items: center; gap: 1.5rem; }
.footer-link { font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-dim); transition: color .2s; }
.footer-link:hover { color: var(--ink-mid); }
.footer-divider { width: 1px; height: 12px; background: var(--rule); }

/* ── SHARED SECTION ELEMENTS ── */
.section-eyebrow {
  font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--jade); margin-bottom: 0.6rem;
  display: flex; align-items: center; gap: 0.65rem;
}
.section-eyebrow::before { content: ''; width: 18px; height: 1px; background: var(--jade); }

/* ── TAGS / BADGES ── */
.tag {
  font-size: 0.6rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.15rem 0.5rem; border-radius: 2px;
}
.tag-blue  { background: var(--blue-dim); color: var(--blue); border: 1px solid rgba(79,142,247,0.2); }
.tag-jade  { background: var(--jade-dim); color: var(--jade); border: 1px solid rgba(42,170,110,0.2); }
.tag-dim   { background: rgba(226,232,240,0.05); color: var(--ink-dim); border: 1px solid var(--rule-mid); }

/* ── DATA FLAGS ── */
.data-flag {
  font-size: 0.52rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.08rem 0.35rem; border-radius: 2px;
  background: rgba(245,158,11,0.1); color: #f59e0b;
  border: 1px solid rgba(245,158,11,0.25);
  margin-left: 0.4rem;
}

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── RESPONSIVE NAV ── */
@media (max-width: 768px) {
  nav { padding: 0 1.2rem; flex-wrap: wrap; height: auto; min-height: 52px; }
  .nav-logo { padding: 0.9rem 0; font-size: 1rem; }
  .nav-links {
    width: 100%; overflow-x: auto; padding: 0 0 0.7rem;
    gap: 0; border-top: 1px solid var(--rule);
    scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { font-size: 0.65rem; padding: 0.4rem 0.55rem; white-space: nowrap; }
  footer { flex-direction: column; align-items: flex-start; padding: 1.8rem 1.5rem; gap: 1.2rem; }
  .footer-right { flex-wrap: wrap; gap: 0.8rem; }
}