:root {
  --bg: #fafaf7;
  --bg-alt: #f3f2ed;
  --text: #1a1a1a;
  --text-muted: #5a5a5a;
  --text-subtle: #8a8a8a;
  --accent: #1f3a5f;
  --accent-soft: #e8eef5;
  --border: #e5e3dc;
  --card: #ffffff;
  --shadow: 0 1px 3px rgba(0,0,0,0.04), 0 8px 24px rgba(0,0,0,0.04);
  --radius: 14px;
  --max: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin: 0 0 0.5em;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s ease;
}
a:hover { opacity: 0.7; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 28px;
}

/* Navigation */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 247, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}
nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand {
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 18px;
  color: var(--text);
}
.nav-links { display: flex; gap: 28px; }
.nav-links a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
}
.nav-links a:hover { color: var(--text); opacity: 1; }
@media (max-width: 640px) {
  .nav-links { gap: 18px; }
  .nav-links a { font-size: 13px; }
}

/* Hero */
.hero { padding: 120px 0 100px; }
.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(40px, 6vw, 68px);
  margin-bottom: 24px;
}
.hero .lead {
  font-size: clamp(18px, 2vw, 21px);
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 36px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 14.5px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #142b4a; opacity: 1; }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--bg-alt); opacity: 1; }

/* Section base */
section {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}
.section-label {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(28px, 3.5vw, 38px);
  margin-bottom: 12px;
}
.section-intro {
  color: var(--text-muted);
  max-width: 620px;
  margin-bottom: 48px;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}
@media (max-width: 760px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
}
.about-photo {
  aspect-ratio: 1 / 1.2;
  background: linear-gradient(135deg, var(--accent-soft), var(--bg-alt));
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}
.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.about-text p {
  margin: 0 0 18px;
  color: var(--text-muted);
  font-size: 17px;
}
.about-text p strong { color: var(--text); font-weight: 600; }
.quick-facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.fact .fact-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-subtle);
  margin-bottom: 4px;
}
.fact .fact-value {
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
}

/* Stats strip */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 36px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 48px;
  box-shadow: var(--shadow);
}
@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); padding: 24px; }
}
.stat .stat-num {
  font-family: 'Fraunces', serif;
  font-size: 34px;
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.stat .stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

/* Experience timeline */
.timeline { display: flex; flex-direction: column; gap: 28px; }
.job {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 32px;
  padding: 28px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.job:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
@media (max-width: 760px) {
  .job { grid-template-columns: 1fr; gap: 14px; padding: 22px; }
}
.job-left {
  display: flex;
  flex-direction: column-reverse;
  align-items: flex-start;
  gap: 14px;
}
@media (max-width: 760px) {
  .job-left { flex-direction: row; align-items: center; gap: 14px; }
}
.job-logo {
  width: 150px;
  height: 150px;
  border-radius: 16px;
  background: var(--bg-alt);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
@media (max-width: 760px) {
  .job-logo { width: 60px; height: 60px; border-radius: 12px; }
}
.logo-initials {
  color: var(--accent);
  font-weight: 600;
  font-size: 26px;
  letter-spacing: 0.02em;
}
@media (max-width: 760px) {
  .logo-initials { font-size: 13px; }
}
.job-logo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  background: white;
}
@media (max-width: 760px) {
  .job-logo img { padding: 6px; }
}
.job-date {
  font-size: 13px;
  color: var(--text-subtle);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.job-title {
  font-family: 'Inter', sans-serif;
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 2px;
}
.job-company {
  color: var(--accent);
  font-weight: 500;
  font-size: 15px;
  margin-bottom: 12px;
}
.job-desc { color: var(--text-muted); font-size: 15px; margin: 0 0 12px; }
.job-bullets {
  margin: 0;
  padding-left: 18px;
  color: var(--text-muted);
  font-size: 14.5px;
}
.job-bullets li { margin-bottom: 4px; }

/* Projects grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
@media (max-width: 760px) {
  .projects-grid { grid-template-columns: 1fr; }
}
.project {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  color: var(--text);
  text-decoration: none;
}
.project:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  opacity: 1;
}
.project-tag {
  display: inline-block;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 10px;
  border-radius: 999px;
  align-self: flex-start;
  margin-bottom: 14px;
  font-weight: 600;
}
.project h3 {
  font-family: 'Inter', sans-serif;
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 8px;
}
.project p {
  color: var(--text-muted);
  font-size: 15px;
  margin: 0 0 16px;
  flex-grow: 1;
}
.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-subtle);
}
.project-link { color: var(--accent); font-weight: 500; font-size: 13px; }
.project-link::after { content: " →"; }

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 760px) { .skills-grid { grid-template-columns: 1fr; } }
.skill-group {
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.skill-group h4 {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 14px;
}
.skill-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-list li {
  font-size: 13.5px;
  padding: 5px 12px;
  background: var(--bg-alt);
  border-radius: 999px;
  color: var(--text);
}

/* Education */
.education-list { display: grid; gap: 18px; }
.edu-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 32px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}
.edu-item:last-child { border-bottom: none; }
@media (max-width: 760px) {
  .edu-item { grid-template-columns: 1fr; gap: 8px; }
}
.edu-date {
  font-size: 13px;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}
.edu-degree { font-size: 17px; font-weight: 600; margin-bottom: 2px; }
.edu-school { color: var(--accent); font-size: 15px; margin-bottom: 6px; }
.edu-detail { color: var(--text-muted); font-size: 14.5px; margin: 0; }

/* Honors */
.honors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 14px;
}
@media (max-width: 760px) { .honors-grid { grid-template-columns: 1fr; } }
.honor-item {
  padding: 14px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14.5px;
  color: var(--text);
}
.honor-item span {
  display: block;
  color: var(--text-subtle);
  font-size: 12.5px;
  margin-top: 2px;
}

/* Contact */
.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 56px 48px;
  text-align: center;
  box-shadow: var(--shadow);
}
@media (max-width: 640px) {
  .contact-card { padding: 40px 24px; }
}
.contact-card h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 14px;
}
.contact-card p {
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 28px;
  font-size: 17px;
}
.contact-links {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Footer */
footer {
  padding: 40px 0 60px;
  text-align: center;
  color: var(--text-subtle);
  font-size: 13.5px;
  border-top: 1px solid var(--border);
}
footer a { color: var(--text-muted); }

/* ===== Project Detail Pages ===== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.back-link::before { content: "←"; }
.back-link:hover { color: var(--accent); opacity: 1; }

.project-hero { padding: 60px 0 40px; }
.project-hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  margin-bottom: 18px;
}
.project-hero .lead {
  font-size: clamp(17px, 1.6vw, 19px);
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 28px;
}

.project-meta-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  padding: 24px 28px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 48px;
}
@media (max-width: 760px) {
  .project-meta-strip { grid-template-columns: repeat(2, 1fr); padding: 20px; }
}
.project-meta-strip .meta-item .meta-label {
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-subtle);
  margin-bottom: 4px;
}
.project-meta-strip .meta-item .meta-value {
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
}

.cover-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent-soft), var(--bg-alt));
  margin-bottom: 56px;
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}
.cover-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.cover-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-subtle);
  font-size: 14px;
  text-align: center;
  padding: 24px;
}

.content-block {
  max-width: 720px;
  margin: 0 auto 48px;
}
.content-block h2 {
  font-size: clamp(24px, 3vw, 32px);
  margin-bottom: 16px;
}
.content-block p {
  color: var(--text-muted);
  font-size: 17px;
  margin: 0 0 18px;
}
.content-block ul {
  color: var(--text-muted);
  font-size: 16px;
  padding-left: 22px;
  margin: 0 0 18px;
}
.content-block li { margin-bottom: 6px; }

.three-up {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin: 48px 0;
}
@media (max-width: 760px) { .three-up { grid-template-columns: 1fr; } }
.callout {
  padding: 28px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.callout h4 {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 10px;
  font-weight: 600;
}
.callout p {
  color: var(--text-muted);
  font-size: 15px;
  margin: 0;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 48px 0;
}
@media (max-width: 760px) { .gallery { grid-template-columns: 1fr; } }
.gallery-item {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent-soft), var(--bg-alt));
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.gallery-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-subtle);
  font-size: 13px;
  padding: 16px;
  text-align: center;
}

.resource-list {
  display: grid;
  gap: 12px;
  max-width: 720px;
  margin: 0 auto;
}
.resource-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
}
.resource-item:hover {
  border-color: var(--accent);
  opacity: 1;
}
.resource-item .resource-title {
  font-size: 15px;
  font-weight: 500;
}
.resource-item .resource-meta {
  font-size: 13px;
  color: var(--text-subtle);
}