@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --navy: #0d1b2a;
  --navy-mid: #162032;
  --navy-light: #1e3048;
  --gold: #c9a84c;
  --gold-light: #e2c97e;
  --cream: #f5f0e8;
  --cream-dark: #ede5d4;
  --text: #1a1a2e;
  --text-muted: #5a6070;
  --white: #ffffff;
  --border: rgba(201, 168, 76, 0.2);
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 300;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13, 27, 42, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4rem;
  height: 72px;
}

.nav-brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.nav-brand-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.03em;
  line-height: 1.2;
}

.nav-brand-title {
  font-size: 0.68rem;
  font-weight: 400;
  color: var(--gold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: rgba(255,255,255,0.7);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: var(--transition);
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--white);
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  background: var(--gold) !important;
  color: var(--navy) !important;
  padding: 0.5rem 1.4rem !important;
  border-radius: 2px;
  letter-spacing: 0.1em !important;
  font-weight: 500 !important;
  transition: var(--transition) !important;
}

.nav-cta:hover {
  background: var(--gold-light) !important;
  transform: translateY(-1px);
}

.nav-cta::after { display: none !important; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  background: var(--navy);
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,168,76,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-bg-glow {
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 70%);
  top: 10%; right: -100px;
  pointer-events: none;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 4rem 5rem 6rem;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hero-eyebrow::before {
  content: '';
  display: block;
  width: 40px; height: 1px;
  background: var(--gold);
}

.hero-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.8rem, 4vw, 4.2rem);
  font-weight: 300;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: 0.4rem;
}

.hero-name em {
  font-style: italic;
  color: var(--gold-light);
}

.hero-tagline {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.2rem;
  font-weight: 300;
  font-style: italic;
  color: rgba(255,255,255,0.5);
  margin-bottom: 2.5rem;
  letter-spacing: 0.02em;
}

.hero-divider {
  width: 60px; height: 1px;
  background: linear-gradient(to right, var(--gold), transparent);
  margin-bottom: 2.5rem;
}

.hero-bio {
  font-size: 1rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  max-width: 480px;
  margin-bottom: 3rem;
  font-weight: 300;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--gold);
  color: var(--navy);
  text-decoration: none;
  padding: 0.85rem 2rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: var(--transition);
}

.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.25);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  padding: 0.85rem 2rem;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 2px;
  transition: var(--transition);
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 4rem 4rem 2rem;
}

.hero-card-stack {
  position: relative;
  width: 100%;
  max-width: 400px;
}

.stat-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,168,76,0.15);
  border-radius: 4px;
  padding: 1.8rem 2rem;
  margin-bottom: 1rem;
  transition: var(--transition);
}

.stat-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(201,168,76,0.35);
  transform: translateX(4px);
}

.stat-number {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}

.stat-card.featured {
  background: linear-gradient(135deg, rgba(201,168,76,0.12), rgba(201,168,76,0.04));
  border-color: rgba(201,168,76,0.3);
}

/* ── SECTIONS ── */
section {
  padding: 6rem 0;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 4rem;
}

.section-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 30px; height: 1px;
  background: var(--gold);
}

.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 300;
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.section-title em {
  font-style: italic;
  color: var(--gold);
}

/* ── EXPERTISE SECTION ── */
.expertise {
  background: var(--white);
}

.expertise-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2px;
  margin-top: 4rem;
  background: var(--cream-dark);
  border: 1px solid var(--cream-dark);
}

.expertise-item {
  background: var(--white);
  padding: 2.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.expertise-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 0;
  background: var(--gold);
  transition: var(--transition);
}

.expertise-item:hover::before { height: 100%; }
.expertise-item:hover { background: #faf8f4; }

.expertise-icon {
  font-size: 1.8rem;
  margin-bottom: 1.2rem;
}

.expertise-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.8rem;
  line-height: 1.2;
}

.expertise-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ── JET VENTILATION ── */
.jetvent {
  background: var(--cream);
}

.jetvent-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
  margin-top: 3rem;
}

.jetvent-text p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.jetvent-highlight {
  background: var(--navy);
  color: var(--white);
  padding: 2rem 2.5rem;
  border-left: 3px solid var(--gold);
  margin-top: 2rem;
}

.jetvent-highlight p {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.15rem;
  font-style: italic;
  color: rgba(255,255,255,0.85) !important;
  line-height: 1.6;
  margin: 0 !important;
}

.jetvent-specs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.spec-row {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.spec-row:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.spec-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.spec-title {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--navy);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

.spec-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── PUBLICATIONS ── */
.publications {
  background: var(--navy);
  color: var(--white);
}

.publications .section-title {
  color: var(--white);
}

.pub-grid {
  display: flex;
  flex-direction: column;
  gap: 1px;
  margin-top: 3rem;
  background: rgba(255,255,255,0.06);
}

.pub-item {
  background: var(--navy-mid);
  padding: 1.8rem 2rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.5rem;
  align-items: center;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}

.pub-item:hover {
  background: var(--navy-light);
}

.pub-year {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--gold);
  min-width: 60px;
  line-height: 1;
}

.pub-info {}

.pub-title {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 0.3rem;
  line-height: 1.4;
}

.pub-journal {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  font-style: italic;
  letter-spacing: 0.03em;
}

.pub-arrow {
  color: rgba(201,168,76,0.4);
  font-size: 1rem;
  transition: var(--transition);
}

.pub-item:hover .pub-arrow {
  color: var(--gold);
  transform: translateX(4px);
}

.pub-cta {
  text-align: center;
  margin-top: 3rem;
}

/* ── CONTACT ── */
.contact {
  background: var(--cream);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  margin-top: 3rem;
}

.contact-info h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--navy);
  margin-bottom: 1rem;
}

.contact-info p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.2rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-detail-icon {
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: 2px;
  padding: 0.85rem 1rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: var(--transition);
  font-weight: 300;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 130px;
}

.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--navy);
  color: var(--white);
  border: none;
  padding: 1rem 2.5rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition);
  align-self: flex-start;
}

.btn-submit:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(13,27,42,0.2);
}

/* ── FOOTER ── */
footer {
  background: var(--navy);
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  color: rgba(255,255,255,0.5);
}

.footer-brand strong {
  color: rgba(255,255,255,0.85);
  font-weight: 400;
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  text-decoration: none;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.08em;
  transition: var(--transition);
}

.footer-links a:hover { color: var(--gold); }

.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.25);
}

/* ── FADE IN ANIMATIONS ── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav { padding: 0 1.5rem; }
  .hero { grid-template-columns: 1fr; }
  .hero-content { padding: 4rem 2rem; }
  .hero-visual { display: none; }
  .container { padding: 0 2rem; }
  .expertise-grid { grid-template-columns: 1fr; }
  .jetvent-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-inner { flex-direction: column; gap: 1rem; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
}

/* ── PHOTO LIFT + ZOOM EFFECT ── */
.photo-3d {
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1), box-shadow 0.35s cubic-bezier(0.4,0,0.2,1);
  will-change: transform;
}

.photo-3d:hover {
  transform: translateY(-6px) scale(1.025);
  box-shadow: 0 24px 48px rgba(0,0,0,0.35), 0 8px 16px rgba(0,0,0,0.18);
}

.photo-3d img {
  transition: filter 0.35s ease;
}

.photo-3d:hover img {
  filter: brightness(1) !important;
}

.perspective-wrap {
  perspective: 800px;
}