/* ==========================================================================
   Dilet — personal site styles
   Plain CSS, no build step. Organized top to bottom:
   1. Variables & reset
   2. Layout primitives
   3. Nav
   4. Hero / home
   5. Cards (projects)
   6. Project detail pages
   7. Resume / contact
   8. Footer
   9. Responsive
   ========================================================================== */

/* ---------- 1. Variables & reset ---------- */
:root {
  --bg: #0b0d12;
  --bg-elevated: #12151c;
  --bg-elevated-2: #1a1e28;
  --text: #e6e8ec;
  --text-dim: #9aa1ad;
  --text-faint: #6b7280;
  --accent: #5ee6c9;
  --accent-dim: #2f7a6c;
  --border: #232733;
  --radius: 10px;
  --max-width: 880px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 600;
  margin: 0 0 0.5em;
}

p {
  margin: 0 0 1em;
  color: var(--text-dim);
}

code, .mono {
  font-family: var(--font-mono);
}

/* ---------- 2. Layout primitives ---------- */
.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 56px 0;
}

.section-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  font-family: var(--font-mono);
  margin-bottom: 24px;
}

/* ---------- 3. Nav ---------- */
header.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(11, 13, 18, 0.85);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav-logo {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text);
  font-size: 1.05rem;
}

.nav-logo:hover {
  text-decoration: none;
  color: var(--accent);
}

.nav-logo .dot {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 6px 10px;
  font-size: 1rem;
}

/* ---------- 4. Hero / home ---------- */
.hero {
  padding: 72px 0 48px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
  margin-bottom: 16px;
}

.hero .lede {
  font-size: 1.1rem;
  max-width: 620px;
}

.cta-row {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn:hover {
  text-decoration: none;
  border-color: var(--accent-dim);
}

.btn-primary {
  background: var(--accent);
  color: #06231d;
  border-color: var(--accent);
  font-weight: 600;
}

.btn-primary:hover {
  background: #7ceedb;
  border-color: #7ceedb;
}

/* ---------- 5. Cards (projects) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: block;
  color: var(--text);
}

.card:hover {
  text-decoration: none;
  border-color: var(--accent-dim);
  transform: translateY(-2px);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.card .tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  display: block;
}

.card h3 {
  margin-bottom: 8px;
  font-size: 1.15rem;
}

.card p {
  font-size: 0.92rem;
  margin-bottom: 0;
}

/* ---------- 6. Project detail pages ---------- */
.project-header {
  padding: 56px 0 24px;
  border-bottom: 1px solid var(--border);
}

.project-header .tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.project-header h1 {
  margin-top: 12px;
}

.meta-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
}

.media-placeholder {
  background: var(--bg-elevated);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px 20px;
  text-align: center;
  color: var(--text-faint);
  font-size: 0.9rem;
  margin: 24px 0;
}

.project-body h2 {
  font-size: 1.3rem;
  margin-top: 40px;
}

.project-body ul {
  color: var(--text-dim);
  padding-left: 1.2em;
}

.project-body li {
  margin-bottom: 0.5em;
}

.back-link {
  display: inline-block;
  margin: 32px 0 0;
  font-size: 0.9rem;
  color: var(--text-faint);
}

/* ---------- 7. Resume / contact ---------- */
.resume-actions,
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 420px;
}

.resume-actions .btn,
.contact-list a {
  text-align: center;
}

.contact-list {
  list-style: none;
  padding: 0;
}

.contact-list li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  background: var(--bg-elevated);
}

.contact-list li a:hover {
  text-decoration: none;
  border-color: var(--accent-dim);
}

.contact-list .label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-faint);
}

.placeholder-note {
  font-size: 0.85rem;
  color: var(--text-faint);
  border-left: 2px solid var(--accent-dim);
  padding-left: 12px;
  margin: 20px 0;
}

/* ---------- 8. Footer ---------- */
footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  margin-top: 40px;
}

footer.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-faint);
}

footer.site-footer a {
  color: var(--text-faint);
}

/* ---------- 9. Responsive ---------- */
@media (max-width: 640px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    border-top: 1px solid var(--border);
  }

  .nav-links a {
    display: block;
    padding: 14px 20px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .hero {
    padding: 48px 0 32px;
  }
}