/* ─── PORTFOLIO STYLES ────────────────────────────────────────────
   Design tokens match the main maiconlucinda.vercel.app site.
   ─────────────────────────────────────────────────────────────── */

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

:root {
  --bg:       #F2F4F1;
  --bg-alt:   #E6EAE6;
  --bg-dark:  #12191A;
  --text:     #1A1814;
  --text-mid: #4A4540;
  --muted:    #564F47;
  --accent:   #1F5C56;
  --accent-lt:#2E7A6F;
  --border:   #C4BDB0;
  --border-lt:#DDD7CB;

  --font-display: 'Cormorant Garant', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  --nav-h: 72px;
  --max-w: 1100px;
  --pad:   clamp(1.5rem, 5vw, 4rem);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

.label {
  font-size: 1.05rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  display: block;
}

/* ─── SCROLL ANIMATIONS ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ─── NAV ────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(242, 244, 241, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-lt);
  display: flex;
  align-items: center;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad);
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--text);
  letter-spacing: 0.02em;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 2.5rem;
}
.nav-links a {
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.25s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after { width: 100%; }

/* ─── NAV TOGGLE (mobile) ────────────────────────────────────── */
.nav-toggle {
  display: none;
  position: relative;
  width: 28px;
  height: 20px;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle-bar {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease, top 0.25s ease;
}
.nav-toggle-bar:nth-child(1) { top: 0; }
.nav-toggle-bar:nth-child(2) { top: 9px; background: var(--accent); }
.nav-toggle-bar:nth-child(3) { top: 18px; }
.nav-toggle.is-open .nav-toggle-bar:nth-child(1) { top: 9px; transform: rotate(45deg); }
.nav-toggle.is-open .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle.is-open .nav-toggle-bar:nth-child(3) { top: 9px; transform: rotate(-45deg); }

/* ─── HEADER ─────────────────────────────────────────────────── */
.portfolio-header {
  padding: clamp(4rem, 8vw, 7rem) var(--pad) clamp(3rem, 5vw, 4rem);
  max-width: var(--max-w);
  margin: 0 auto;
}
.portfolio-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 1.1;
  color: var(--text);
  margin-top: 1.25rem;
}
.portfolio-header p {
  margin-top: 1rem;
  color: var(--text-mid);
  font-size: 1rem;
  max-width: 560px;
  line-height: 1.8;
}

/* ─── PROJECT GRID ───────────────────────────────────────────── */
.project-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad) clamp(4rem, 8vw, 7rem);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}
.project-card {
  border: 1px solid var(--border);
  background: var(--bg);
  overflow: hidden;
  transition: border-color 0.2s;
}
.project-card:hover { border-color: var(--accent); }

.project-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.placeholder-media {
  display: flex;
  align-items: center;
  justify-content: center;
}
.placeholder-media span {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.placeholder-card {
  border-style: dashed;
}

.project-body {
  padding: 1.5rem 1.75rem 1.75rem;
}
.project-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}
.project-desc {
  color: var(--text-mid);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.project-tag {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--bg-alt);
}
.project-links {
  display: flex;
  gap: 1.25rem;
}
.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--accent);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s;
}
.project-link:hover { border-color: var(--accent); }

/* ─── FOOTER ─────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem var(--pad);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-copy {
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.footer-copy strong { color: var(--text-mid); font-weight: 500; }

/* ─── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .project-grid { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .nav-toggle { display: block; }

  .nav-links {
    display: none;
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg-dark);
    padding: 0.5rem 0;
    max-height: calc(100vh - var(--nav-h));
    overflow-y: auto;
    border-bottom: 1px solid var(--accent);
  }

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

  .nav-links li { border-bottom: 1px solid rgba(197, 176, 138, 0.15); }
  .nav-links li:last-child { border-bottom: none; }

  .nav-links a {
    display: flex;
    align-items: center;
    padding: 1rem var(--pad);
    color: #DDD7CB;
    letter-spacing: 0.08em;
  }
  .nav-links a::before {
    content: '>';
    color: var(--accent-lt);
    margin-right: 0.6rem;
    font-weight: 700;
  }
  .nav-links a::after { display: none; }
  .nav-links a:hover,
  .nav-links a.active {
    color: #fff;
    background: rgba(197, 176, 138, 0.08);
  }
}