:root {
  --navy: #0d1f3c;
  --navy-light: #162d54;
  --teal: #1a7f6e;
  --teal-light: #22a08a;
  --teal-pale: #e4f4f1;
  --cream: #faf8f4;
  --warm-gray: #f2efe9;
  --text: #1a1a1a;
  --text-muted: #5a5a5a;
  --text-light: #8a8a8a;
  --border: #e0dbd2;
  --white: #ffffff;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
}

/* ── NAV ── */
nav {
  background: var(--navy);
  position: sticky; top: 0; z-index: 100;
  border-bottom: 2px solid var(--teal);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem; height: 60px;
}
.nav-logo {
    font-family: "Orbitron", sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--teal-light);
}
.nav-links { display: flex; gap: 0; }
.nav-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 400;
  padding: 0 1.1rem;
  height: 60px;
  display: flex; align-items: center;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s, border-color 0.2s;
  letter-spacing: 0.02em;
}
.nav-links a:hover { color: white; border-color: var(--teal-light); }
.nav-links a.active { color: white; border-color: var(--teal-light); }

/* ── HERO ── */
.hero {
  background: var(--navy);
  padding: 5rem 2rem 4rem;
  text-align: center;
}
.hero-tag {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--teal-light);
  text-transform: uppercase;
  border: 1px solid rgba(26,128,110,0.4);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: 'Playfair Display', serif;
  color: white;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 400;
  line-height: 1.2;
  max-width: 700px;
  margin: 0 auto 1.2rem;
}
.hero h1 em {
  font-style: italic;
  color: var(--teal-light);
}
.hero-sub {
  color: rgba(255,255,255,0.55);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto 2.5rem;
  font-weight: 300;
}
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: var(--teal);
  color: white;
  text-decoration: none;
  padding: 11px 28px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--teal-light); }
.btn-outline {
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  padding: 11px 28px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 400;
  transition: border-color 0.2s, color 0.2s;
}
.btn-outline:hover { border-color: rgba(255,255,255,0.6); color: white; }

/* ── META STRIP ── */
.meta-strip {
  background: var(--navy-light);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.meta-strip-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; justify-content: center; flex-wrap: wrap;
  padding: 1rem 2rem; gap: 2.5rem;
}
.meta-item {
  text-align: center;
  color: rgba(255,255,255,0.4);
  font-size: 12px;
  letter-spacing: 0.05em;
}
.meta-item span {
  display: block;
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 1px;
}

/* ── SECTIONS ── */
section { padding: 4rem 2rem; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 2.5rem;
}

/* ── CURRENT ISSUE BANNER ── */
.issue-banner {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--teal);
  border-radius: 6px;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.issue-banner-info { flex: 1; }
.issue-banner-info h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 0.3rem;
}
.issue-banner-info p {
  font-size: 14px;
  color: var(--text-muted);
}
.issue-badge {
  background: var(--teal-pale);
  color: var(--teal);
  font-size: 12px;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 20px;
  white-space: nowrap;
  font-family: 'DM Mono', monospace;
  letter-spacing: 0.05em;
}

/* ── ARTICLE CARDS ── */
.articles-grid {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.article-card {
  background: var(--white);
  padding: 1.8rem 2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  align-items: start;
  transition: background 0.15s;
  text-decoration: none;
  color: inherit;
}
.article-card:hover { background: var(--warm-gray); }
.article-type {
  font-family: 'DM Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}
.article-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--navy);
  line-height: 1.4;
  margin-bottom: 0.6rem;
}
.article-authors {
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.article-meta {
  font-size: 12.5px;
  color: var(--text-light);
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}
.article-meta span { display: flex; align-items: center; gap: 4px; }
.pdf-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--navy);
  color: white;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.2s;
  align-self: start;
}
.pdf-btn:hover { background: var(--teal); }
.pdf-icon {
  width: 14px; height: 14px; fill: none;
  stroke: currentColor; stroke-width: 1.8;
}

/* ── ABOUT SECTION ── */
.about-section { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}
@media (max-width: 700px) { .about-grid { grid-template-columns: 1fr; gap: 2rem; } }
.about-text p {
  color: var(--text-muted);
  font-size: 15.5px;
  margin-bottom: 1rem;
  line-height: 1.75;
}
.scope-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.scope-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14.5px; color: var(--text-muted);
}
.scope-list li::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--teal);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

/* ── EDITORIAL BOARD ── */
.board-section { background: var(--cream); }
.board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
}
.board-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.4rem 1.5rem;
}
.board-card-role {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}
.board-card h4 {
  font-size: 15px;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 0.2rem;
}
.board-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ── SUBMIT CTA ── */
.submit-section {
  background: var(--navy);
  text-align: center;
}
.submit-section .section-inner { max-width: 640px; }
.submit-section .section-label { color: var(--teal-light); }
.submit-section .section-title { color: white; }
.submit-section p {
  color: rgba(255,255,255,0.55);
  font-size: 15px;
  margin-bottom: 2rem;
  font-weight: 300;
}
.submit-features {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 2rem;
  margin-bottom: 2.5rem;
}
.submit-feature {
  color: rgba(255,255,255,0.7);
  font-size: 13.5px;
  display: flex; align-items: center; gap: 6px;
}
.submit-feature::before {
  content: '✓';
  color: var(--teal-light);
  font-weight: 600;
}

/* ── CONTACT ── */
.contact-section { background: var(--warm-gray); border-top: 1px solid var(--border); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2rem;
}
@media (max-width: 700px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-block h4 {
  font-size: 13px;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 0.5rem;
  letter-spacing: 0.04em;
}
.contact-block p, .contact-block a {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: none;
  line-height: 1.6;
}
.contact-block a:hover { color: var(--teal); }

/* ── FOOTER ── */
footer {
  background: var(--navy);
  padding: 2rem;
  text-align: center;
}
footer p {
  color: rgba(255,255,255,0.3);
  font-size: 13px;
}
footer a { color: rgba(255,255,255,0.5); text-decoration: none; }
footer a:hover { color: var(--teal-light); }

/* ── PAGE SECTIONS (hidden by default) ── */
.page { display: none; }
.page.active { display: block; }
#home { display: block; }