/* ============================================
   James Keith Harwood II — Personal Website
   ============================================ */

:root {
  --bg:          #07090f;
  --bg-card:     #0e1220;
  --bg-nav:      rgba(7, 9, 15, 0.92);
  --accent-gold: #c9a84c;
  --accent-blue: #4a9eff;
  --text:        #e4e8f0;
  --text-muted:  #7a8799;
  --border:      rgba(201, 168, 76, 0.18);
  --border-blue: rgba(74, 158, 255, 0.2);
  --radius:      8px;
  --transition:  0.3s ease;
  --font-head:   'Cormorant Garamond', 'Georgia', serif;
  --font-body:   'Inter', 'Helvetica Neue', sans-serif;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-blue); }

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

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.section-label {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-gold);
  display: block;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.25rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 3rem;
}

/* ---- Layout ---- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

section { padding: 100px 0; }

/* ---- Navigation ---- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--bg-nav);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.nav-logo {
  font-family: var(--font-head);
  font-size: 1.25rem;
  color: var(--text);
  letter-spacing: 0.05em;
}
.nav-logo span { color: var(--accent-gold); }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--accent-gold); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
}

/* ---- Hero / Splash ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 68px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(74,158,255,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(201,168,76,0.06) 0%, transparent 55%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74,158,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,158,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2rem;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent-gold);
}
.hero-eyebrow::before {
  content: '';
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent-gold);
}

.hero-name {
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.hero-name .highlight {
  background: linear-gradient(135deg, var(--accent-gold), #f0d080);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-style: italic;
  font-family: var(--font-head);
  letter-spacing: 0.02em;
}

.hero-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.hero-roles .role {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-muted);
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent-gold);
  color: #07090f;
}
.btn-primary:hover {
  background: #dbb85a;
  color: #07090f;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: translateY(-1px);
}

/* ---- Divider ---- */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 0;
}

/* ---- About Section (home) ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image-wrap::before {
  content: '';
  position: absolute;
  inset: -12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  z-index: 0;
}

.about-image-wrap img {
  position: relative;
  z-index: 1;
  border-radius: var(--radius);
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  filter: grayscale(20%);
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.about-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.pillar {
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.pillar-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.pillar h4 {
  font-size: 0.9rem;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--accent-gold);
}

.pillar p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0;
}

/* ---- Work / Publications Preview ---- */
.papers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.paper-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.paper-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
}

.paper-type {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 0.75rem;
}

.paper-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--text);
  font-family: var(--font-head);
  font-size: 1.15rem;
}

.paper-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 1.25rem;
}

.paper-card .read-link {
  font-size: 0.8rem;
  color: var(--accent-gold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.paper-card .read-link::after { content: '→'; }
.paper-card .read-link:hover { gap: 0.7rem; }

/* ---- Articles Grid ---- */
.articles-list {
  display: grid;
  gap: 0.75rem;
}

.article-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.article-item:hover {
  border-color: rgba(74,158,255,0.4);
  background: rgba(74,158,255,0.04);
}

.article-item .num {
  font-size: 0.75rem;
  color: var(--text-muted);
  min-width: 28px;
  font-family: monospace;
}

.article-item h4 {
  font-size: 0.95rem;
  font-family: var(--font-body);
  font-weight: 500;
  flex: 1;
}

.article-item .arr {
  color: var(--text-muted);
  transition: var(--transition);
}
.article-item:hover .arr { color: var(--accent-gold); transform: translateX(4px); }

/* ---- Portfolio ---- */
.portfolio-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  transition: color var(--transition);
  position: relative;
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0; right: 0;
  height: 2px;
  background: var(--accent-gold);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.tab-btn.active,
.tab-btn:hover { color: var(--accent-gold); }
.tab-btn.active::after { transform: scaleX(1); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.media-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.media-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-3px);
}

.media-thumb {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #0d1421, #1a2340);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}

.media-info { padding: 1.25rem; }
.media-info h4 { font-size: 0.95rem; margin-bottom: 0.25rem; }
.media-info p { font-size: 0.82rem; color: var(--text-muted); }

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: start;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.contact-value { font-size: 0.95rem; }

/* ---- Form ---- */
.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.85rem 1.1rem;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-gold);
}

.form-group textarea { min-height: 120px; resize: vertical; }

/* ---- Footer ---- */
footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-logo {
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--text-muted);
}
.footer-logo span { color: var(--accent-gold); }

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}
.footer-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-links a:hover { color: var(--accent-gold); }

/* ---- Page Hero (inner pages) ---- */
.page-hero {
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(74,158,255,0.06) 0%, transparent 60%);
}

.page-hero .container { position: relative; }

.page-hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  margin-bottom: 1rem;
}

.page-hero p {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 580px;
}

/* ---- Animations ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
  opacity: 0;
  animation: fadeUp 0.7s ease forwards;
}
.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }
.delay-4 { animation-delay: 0.6s; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  section { padding: 72px 0; }

  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0; right: 0;
    background: var(--bg-nav);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.25rem;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }

  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }

  .about-pillars { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
}