:root {
  color-scheme: light;
  --navy: #0a2540;
  --navy-soft: #1b365d;
  --steel: #4a5568;
  --fog: #f6f7fb;
  --white: #ffffff;
  --border: rgba(10, 37, 64, 0.12);
  --shadow: 0 22px 50px rgba(10, 37, 64, 0.12);
  --radius: 22px;
  --bg: #f9fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #5b6678;
  --accent: #0d4d8b;
  --accent-soft: #e4eef9;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b1220;
  --card: #111c2e;
  --text: #f1f5f9;
  --muted: #c2c9d6;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 50px rgba(2, 6, 23, 0.6);
  --accent: #6aa7ff;
  --accent-soft: rgba(106, 167, 255, 0.16);
}

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

body {
  font-family: "Manrope", system-ui, sans-serif;
  background: radial-gradient(circle at 10% 10%, rgba(13, 77, 139, 0.12), transparent 40%),
    radial-gradient(circle at 80% 0%, rgba(10, 37, 64, 0.08), transparent 35%),
    linear-gradient(180deg, rgba(249, 250, 252, 0.9), rgba(246, 247, 251, 0.92));
  color: var(--text);
  line-height: 1.6;
}

[data-theme="dark"] body {
  background: radial-gradient(circle at 20% 20%, rgba(106, 167, 255, 0.16), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(14, 44, 79, 0.4), transparent 35%),
    linear-gradient(180deg, #0b1220, #0e1a2b 60%, #0b1220);
}

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

ul {
  list-style: none;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 40px;
}

.section-heading p {
  color: var(--muted);
  max-width: 420px;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(13, 77, 139, 0.12), transparent 45%),
    radial-gradient(circle at 90% 20%, rgba(13, 77, 139, 0.08), transparent 40%),
    linear-gradient(0deg, rgba(12, 22, 41, 0.04), rgba(12, 22, 41, 0.04));
  z-index: -1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 16px;
}

.logo {
  font-family: "Source Serif 4", serif;
  font-size: 24px;
  font-weight: 700;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--navy), var(--accent));
  color: var(--white);
  border-radius: 16px;
  letter-spacing: 0.08em;
}

.logo-mark {
  font-size: 14px;
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-weight: 600;
  color: var(--muted);
}

.nav a.active {
  color: var(--accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mode-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
}

.mode-icon {
  font-size: 14px;
}

.cta {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  font-weight: 600;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
}

h1 {
  font-family: "Source Serif 4", serif;
  font-size: clamp(2.6rem, 2.1rem + 2vw, 4rem);
  line-height: 1.1;
}

h1 span {
  display: block;
  font-size: clamp(1.1rem, 0.9rem + 1vw, 1.6rem);
  color: var(--muted);
  margin-top: 18px;
}

h2 {
  font-family: "Source Serif 4", serif;
  font-size: clamp(1.8rem, 1.4rem + 1vw, 2.4rem);
}

.lead {
  margin: 24px 0 32px;
  font-size: 1.05rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.btn {
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn.primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: var(--shadow);
}

.btn.ghost {
  border-color: var(--navy);
  color: var(--navy);
  background: transparent;
}

[data-theme="dark"] .btn.ghost {
  border-color: var(--accent);
  color: var(--accent);
}

.btn:hover {
  transform: translateY(-2px);
}

.hero-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--shadow);
}

.badge-icon {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.hero-card .card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.card-title {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
}

.impact {
  display: grid;
  gap: 20px;
}

.impact h3 {
  font-size: 2rem;
  font-family: "Source Serif 4", serif;
}

.links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  align-items: center;
}

.about-copy .lead {
  margin-bottom: 18px;
}

.about-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.about-cards {
  display: grid;
  gap: 16px;
}

.about-card {
  background: var(--card);
  border-radius: 18px;
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.about-card ul {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  color: var(--muted);
}

.about-stats {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.about-stats .stat {
  font-family: "Source Serif 4", serif;
  font-size: 1.6rem;
  font-weight: 700;
  display: block;
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  align-items: center;
}

.grid {
  display: grid;
  gap: 24px;
}

.skills-board {
  display: grid;
  gap: 16px;
}

.skills-row {
  display: grid;
  grid-template-columns: minmax(180px, 240px) 1fr;
  gap: 20px;
  padding: 20px 24px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
  align-items: center;
}

.skills-row h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.chip-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--accent-soft);
  color: var(--text);
  font-weight: 600;
  font-size: 0.92rem;
}

.skills {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.pill {
  background: var(--card);
  border-radius: 20px;
  padding: 24px;
  border: 1px solid var(--border);
  min-height: 160px;
  box-shadow: var(--shadow);
}

.pill ul {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  color: var(--muted);
}

.timeline {
  display: grid;
  gap: 32px;
}

.timeline-item {
  display: grid;
  gap: 16px;
  padding: 28px;
  background: var(--card);
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.timeline-item ul {
  padding-left: 18px;
  list-style: disc;
  color: var(--muted);
  display: grid;
  gap: 10px;
}

.timeline-meta span {
  display: block;
  color: var(--muted);
  margin-top: 4px;
}

.filter-row {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  font-weight: 600;
  cursor: pointer;
}

.filter.active {
  background: var(--accent);
  color: var(--white);
}

.projects {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.project {
  padding: 0;
  overflow: hidden;
  background: var(--card);
  border-radius: 22px;
  border: 1px solid var(--border);
  display: grid;
  gap: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--shadow);
}

.project-featured {
  border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--border));
}

.project:hover {
  transform: translateY(-6px);
}

.project-body {
  padding: 26px;
  display: grid;
  gap: 14px;
}

.project-top {
  display: grid;
  gap: 6px;
}

.tag {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 11px;
  text-transform: uppercase;
  width: fit-content;
}

.project-subtitle {
  color: var(--muted);
  font-weight: 600;
}

.project-label {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 700;
  margin-top: 6px;
}

.project-achievements {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.achievement {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--accent) 6%, var(--card));
  color: var(--text);
  font-weight: 600;
}

.project .chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px;
  border-radius: 14px;
  border: 1px dashed var(--border);
  background: color-mix(in srgb, var(--accent) 6%, var(--card));
}

.project .chip {
  width: auto;
}

.project-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.card.slim {
  background: var(--card);
  border-radius: 20px;
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.muted {
  color: var(--muted);
}

.contrib {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.contrib .row {
  display: grid;
  grid-template-columns: repeat(7, 16px);
  gap: 6px;
}

.contrib span {
  width: 16px;
  height: 16px;
  background: var(--accent-soft);
  border-radius: 4px;
}

.contrib .lvl-1 {
  background: color-mix(in srgb, var(--accent) 30%, transparent);
}

.contrib .lvl-2 {
  background: color-mix(in srgb, var(--accent) 55%, transparent);
}

.contrib .lvl-3 {
  background: color-mix(in srgb, var(--accent) 80%, transparent);
}

.contact-card {
  background: color-mix(in srgb, var(--accent) 8%, var(--card));
  border-radius: var(--radius);
  padding: 40px;
  display: grid;
  gap: 24px;
  border: 1px solid var(--border);
}

.contact-links {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.icon-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--card);
  font-weight: 600;
  color: var(--text);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  min-height: 44px;
}

.icon-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.icon {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  font-size: 12px;
}

.icon svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.contact-form {
  display: grid;
  gap: 12px;
}

.contact-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-weight: 600;
}

input,
textarea {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-family: inherit;
}

.site-footer {
  padding: 40px 0 60px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.section,
.project,
.pill,
.timeline-item,
.skills-row {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section.visible,
.project.visible,
.pill.visible,
.timeline-item.visible,
.skills-row.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .section-heading {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .skills-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-actions,
  .footer-grid {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-actions {
    display: none;
  }
}

@media (max-width: 520px) {
  .project-links {
    flex-direction: column;
    align-items: flex-start;
  }

  .chip {
    font-size: 0.88rem;
  }

  .hero-grid {
    gap: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation-duration: 0.01ms !important;
  }
}



.projects-sym {
  align-items: stretch;
}

.projects-sym .project {
  height: 100%;
}

.projects-sym .project-body {
  min-height: 100%;
}


.org-row {
  display: flex;
  gap: 14px;
  align-items: center;
}

.org-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid var(--border);
  background-color: white;
  padding: 6px;
}