:root {
  --bg: #171c30;
  --bg-alt: #1e253e;
  --text: #eceef1;
  --text-dim: #a3aab5;
  --accent: #c1394a;
  --maroon: #7a1220;
  --border: rgba(255,255,255,0.08);
  --serif: Georgia, 'Times New Roman', ui-serif, serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --glow: 0 1px 2px rgba(0,0,0,1), 0 4px 14px rgba(0,0,0,0.9), 0 4px 14px rgba(0,0,0,0.9);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* Nav */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 6vw;
  background: linear-gradient(to bottom, rgba(23,28,48,0.9), transparent);
  transition: background 0.3s ease;
}

nav.scrolled {
  background: rgba(23,28,48,0.92);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

/* Solid nav for standalone pages with no hero to fade in from.
   Deliberately has no backdrop-filter: Safari can fail to paint content
   below a fixed element using backdrop-filter until the first scroll/repaint
   event, which is what was making page content appear only after scrolling. */
nav.nav-static {
  background: rgba(23,28,48,0.96);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.brand-word {
  font-family: var(--sans);
  font-size: 1.9rem;
  letter-spacing: 0.04em;
  font-weight: 500;
  text-shadow: var(--glow);
}

.brand-word span { color: var(--accent); }

.brand-tagline {
  font-family: var(--sans);
  font-style: italic;
  font-weight: 300;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--maroon);
  filter: brightness(1.6);
  text-shadow: var(--glow);
}

.nav-links {
  display: flex;
  gap: 40px;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links a {
  color: var(--text-dim);
  transition: color 0.2s ease;
}

.nav-links a:hover { color: var(--text); }

/* Sections */
section {
  padding: 110px 6vw 70px;
  max-width: 1100px;
  margin: 0 auto;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 0;
  max-width: none;
  position: relative;
}

#hero .inner {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 6vw;
  text-align: center;
}

h1 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2rem, 4.4vw, 3.3rem);
  line-height: 1.2;
  margin-bottom: 24px;
}

#hero p.lead {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto;
}

.scroll-cue {
  position: absolute;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.scroll-cue .line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* Section headers */
.section-head {
  margin-bottom: 40px;
}

.section-num {
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 14px;
  text-shadow: var(--glow);
}

h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
}

/* About */
#about .grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: start;
}

#about p {
  color: var(--text-dim);
  font-size: 1.02rem;
  margin-bottom: 18px;
}

.portrait {
  max-width: 240px;
  justify-self: end;
}

.portrait img {
  width: 100%;
  display: block;
  filter: grayscale(1);
  border: 1px solid var(--border);
}

/* Services */
#services { background: var(--bg); max-width: none; }
#services .inner { max-width: 1100px; margin: 0 auto; }

.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 48px 56px;
}

.service {
  padding: 0;
}

.service h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.service p {
  color: var(--text-dim);
  font-size: 0.94rem;
  margin-bottom: 10px;
}

.case-link {
  display: block;
  width: max-content;
  margin-left: auto;
  background: none;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 0;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--accent);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.case-link:hover {
  color: var(--maroon);
  border-color: var(--accent);
}

/* Case example modals */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10,12,16,0.75);
  padding: 6vw;
  overflow-y: auto;
}

.modal-overlay.open {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.modal {
  position: relative;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  max-width: 640px;
  width: 100%;
  margin-top: 8vh;
  padding: 48px;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 6px;
  transition: color 0.2s ease;
}

.modal-close:hover { color: var(--accent); }

.modal-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 24px;
  padding-right: 32px;
}

.modal-loading {
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* Case entries — shared between modal and standalone case pages */
.case-entry {
  max-width: 640px;
  margin-bottom: 22px;
}

.case-entry:last-child {
  margin-bottom: 0;
}

.case-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--text);
}

.case-entry p {
  color: var(--text-dim);
  font-size: 0.94rem;
}

/* Standalone case pages */
.back-link {
  display: inline-block;
  margin-top: 20px;
  margin-bottom: 24px;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.back-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.category-description {
  color: var(--text-dim);
  font-size: 1.02rem;
  max-width: 640px;
  margin-bottom: 48px;
}

#case-page {
  padding-top: 150px;
}

#case-page h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
}

.case-list .case-entry {
  padding-bottom: 24px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.case-list .case-entry:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.case-list .case-title {
  font-size: 1.15rem;
}

/* Affiliation */
.affiliation-heading {
  margin-top: 56px;
  margin-bottom: 24px;
}

.affiliation-intro {
  color: var(--text-dim);
  max-width: 540px;
  margin-bottom: 24px;
  font-size: 1.02rem;
}

.profile-links {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.inline-link {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.inline-link:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
  text-shadow: var(--glow);
}

/* Contact */
#contact { text-align: center; padding-top: 200px; }

#contact .section-head { text-align: left; }

#contact .contact-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  padding-top: 20px;
}

#contact .email {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 500;
}

#contact .email:hover {
  color: var(--accent);
  text-shadow: var(--glow);
}

.contact-name {
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  text-shadow: var(--glow);
}

.contact-or {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--text-dim);
  margin-top: 8px;
}

.contact-meta {
  display: flex;
  gap: 28px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

footer {
  padding: 40px 6vw;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.legal-note {
  font-size: 0.7rem;
  line-height: 1.6;
  color: var(--text-dim);
  opacity: 0.7;
  max-width: 780px;
}

.legal-note + .legal-note {
  margin-top: 6px;
}

@media (max-width: 760px) {
  .nav-links { display: none; }
  #about .grid { grid-template-columns: 1fr; gap: 40px; }
  #about .portrait { max-width: 220px; }
  .service-list { grid-template-columns: 1fr; }
  section { padding: 90px 6vw 50px; }
}