/* Professional academic/personal site – shared styles */
:root {
  --bg: #fafbfc;
  --fg: #1e1e2e;
  --muted: #5c5c6d;
  --accent: #0366d6;
  --accent-soft: rgba(3, 102, 214, 0.08);
  --card-bg: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 20px -4px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 40px -10px rgba(0, 0, 0, 0.12);
  --transition: 0.25s cubic-bezier(0.4, 0.2, 0.2, 1);
  --border: rgba(0, 0, 0, 0.08);
  --font-sans: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

[data-theme="dark"] {
  --bg: #0f111a;
  --fg: #e8e9f2;
  --muted: #8a8fbf;
  --accent: #58a6ff;
  --accent-soft: rgba(88, 166, 255, 0.12);
  --card-bg: #151922;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 4px 20px -4px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 10px 40px -10px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  scroll-behavior: smooth;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

a:hover,
a:focus {
  color: var(--accent);
}

h1, h2 {
  margin: 0 0 0.5em;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; color: var(--muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }

p {
  margin: 0 0 1em;
  max-width: 65ch;
}

/* Header */
header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
  backdrop-filter: saturate(1.2) blur(8px);
}

nav {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1 1 auto;
  min-width: 0;
}

.avatar-placeholder img {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: 50%;
  display: block;
  border: 2px solid var(--border);
}

.name-role { min-width: 0; }

.name-role h1 {
  font-size: 1.35rem;
  margin-bottom: 2px;
}

.name-role p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.name-role .location {
  font-size: 0.85rem;
  font-style: italic;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 0.25rem;
  margin: 0;
  padding: 0;
  align-items: center;
  flex: 0 0 auto;
}

.nav-links li { position: relative; }

.nav-links a {
  padding: 0.5em 0.85em;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-block;
  transition: background var(--transition), color var(--transition);
}

.nav-links a:hover,
.nav-links a:focus {
  background: var(--accent-soft);
  color: var(--accent);
}

.dropdown .dropbtn {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
}

.dropdown-content {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 2px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  min-width: 160px;
  padding: 0.5em 0;
  box-shadow: var(--shadow-lg);
  display: none;
  z-index: 5;
}

.dropdown-content a {
  display: block;
  padding: 0.5em 1em;
  font-size: 0.9rem;
}

.dropdown-content.show { display: block; }

.theme-switcher {
  margin-left: 4px;
  background: var(--accent-soft);
  border: 1px solid var(--border);
  padding: 0.4em 0.75em;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  color: var(--fg);
  transition: background var(--transition), border-color var(--transition);
}

.theme-switcher:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* Main */
main {
  flex: 1;
  padding: 2.5rem 1.5rem;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}

/* Homepage Hadley-style – minimal, single-page feel */
.header-minimal {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.nav-minimal {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.nav-minimal .site-name {
  font-weight: 600;
  margin-right: auto;
}
.nav-minimal a:not(.site-name) {
  color: var(--muted);
  font-size: 0.95rem;
}
.nav-minimal a:hover {
  color: var(--accent);
}
.main-simple {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem 2.5rem;
  width: 100%;
}
.main-simple .hero-row {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}
.main-simple .hero-left {
  flex-shrink: 0;
  width: 220px;
}
.main-simple .hero-left .home-avatar {
  display: block;
  margin-bottom: 0.75rem;
}
.main-simple .home-avatar {
  width: 220px;
  height: 220px;
  border-radius: 0;
  object-fit: cover;
}
.main-simple .hero-left .page-title {
  margin: 0 0 0.5rem 0;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.main-simple .hero-left .link-row {
  margin: 0;
  font-size: 0.9rem;
}
.main-simple .hero-right {
  min-width: 0;
  flex: 1;
}
.main-simple .hero-right .hero-intro {
  margin: 0 0 1em 0;
}
@media (max-width: 480px) {
  .main-simple .hero-row {
    flex-direction: column;
  }
  .main-simple .hero-left {
    width: 100%;
  }
}
.main-simple .link-row a {
  color: var(--accent);
}
.main-simple .link-row a:not(:last-child)::after {
  content: " · ";
  color: var(--muted);
  font-weight: normal;
}
.main-simple .learn-more-list {
  list-style: none;
  padding-left: 0;
  margin: 0 0 1em 0;
}
.main-simple .learn-more-list li {
  margin-bottom: 0.75rem;
  padding-left: 0;
  max-width: 65ch;
}
.main-simple .learn-more-list li:last-child {
  margin-bottom: 0;
}
.main-simple .learn-more-list a {
  color: var(--accent);
}
.main-simple p {
  max-width: 65ch;
}

section {
  margin-bottom: 2.5rem;
}

section:last-of-type { margin-bottom: 0; }

/* Elevator pitch / lead */
.elevator-pitch {
  font-weight: 600;
  font-size: 1.1rem;
  background: var(--accent-soft);
  padding: 0.9em 1.2em;
  border-radius: var(--radius);
  display: inline-block;
  margin-bottom: 1.5em;
  border-left: 4px solid var(--accent);
}

/* Pills */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill {
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.4em 0.9em;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  display: inline-block;
  transition: background var(--transition), color var(--transition);
}

.pill:hover {
  background: var(--accent);
  color: white;
}

/* Blockquotes / key signals */
blockquote {
  margin: 0 0 1rem;
  padding: 1em 1.25em;
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 0 8px 8px 0;
  font-style: italic;
  color: var(--fg);
}

.key-signal-placeholder,
.testimonial-carousel,
.mentions-placeholder {
  display: grid;
  gap: 1rem;
}

.testimonials-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.testimonials-list li,
.testimonials-list div {
  margin-bottom: 0.75rem;
  background: var(--accent-soft);
  padding: 0.9em 1.1em;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.testimonials-list p { margin: 0 0 0.5em; max-width: none; }
.testimonials-list p:last-child { margin-bottom: 0; }

.mentions-placeholder p {
  background: var(--accent-soft);
  padding: 0.6em 0.9em;
  border-radius: 8px;
  margin: 0;
  font-size: 0.9rem;
}

/* Project list */
.project-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.project-list li {
  margin-bottom: 1.25rem;
  padding-left: 0;
  max-width: 65ch;
}
.project-list li:last-child { margin-bottom: 0; }
.project-list a { color: var(--accent); }

/* Contact */
.contact a { color: var(--accent); }
.contact a:hover { text-decoration: underline; }

/* Carousel */
.carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
}

.carousel-inner {
  display: flex;
  gap: 1rem;
  transition: transform 0.4s ease;
}

.carousel-item {
  min-width: 100%;
  flex-shrink: 0;
}

.carousel-controls {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.5rem;
  justify-content: center;
}

.btn-small {
  background: var(--accent-soft);
  border: 1px solid var(--border);
  padding: 0.4em 0.9em;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--fg);
  transition: background var(--transition), border-color var(--transition);
}

.btn-small:hover {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

/* Footer */
footer {
  text-align: center;
  padding: 1.25em 1rem;
  font-size: 0.85rem;
  color: var(--muted);
  background: var(--accent-soft);
  border-top: 1px solid var(--border);
}

footer a { color: var(--accent); }
footer a:hover { text-decoration: underline; }

/* Responsive */
@media (max-width: 900px) {
  .nav-links { flex-wrap: wrap; gap: 0.25rem; }
  .nav-left { flex: 1 1 100%; margin-bottom: 0.5rem; }
}

@media (max-width: 640px) {
  header { padding: 0.75rem 1rem; }
  main { padding: 1.5rem 1rem; }
  h2 { font-size: 1.05rem; }
}