:root {
  color-scheme: light dark;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --color-bg: #f8f9fb;
  --color-surface: #ffffff;
  --color-muted: #6b7280;
  --color-text: #0f172a;
  --color-primary: #4f46e5;
  --color-secondary: #f97316;
  --color-border: rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 20px 45px rgba(15, 23, 42, 0.08);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

body.dark {
  --color-bg: #0f172a;
  --color-surface: #111c34;
  --color-muted: #94a3b8;
  --color-text: #e2e8f0;
  --color-primary: #6366f1;
  --color-border: rgba(226, 232, 240, 0.12);
  --shadow-soft: 0 20px 60px rgba(15, 23, 42, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 1rem;
}

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

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

img {
  max-width: 100%;
  display: block;
}

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

.skip-link {
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: white;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  transition: top 0.3s ease;
  z-index: 1000;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--color-bg) 80%, transparent);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 1.05rem;
}

.logo__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-menu {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-menu a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-muted);
  position: relative;
  padding: 0.5rem 0;
}

.site-menu a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}

.site-menu a:hover::after,
.site-menu a:focus::after {
  transform: scaleX(1);
}

.theme-toggle {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-muted);
  border-radius: 999px;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.theme-toggle:hover,
.theme-toggle:focus {
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle__line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  margin: 4px 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero {
  padding: 8rem 0 6rem;
}

.hero__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  align-items: center;
}

.hero__eyebrow {
  color: var(--color-secondary);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.hero__description {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.75rem 0 2.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover,
.button:focus {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.button--primary {
  background: var(--color-primary);
  color: white;
}

.button--secondary {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0 0;
}

.hero__stats dt {
  font-size: 2.5rem;
  font-weight: 700;
}

.hero__stats dd {
  margin: 0;
  color: var(--color-muted);
}

.hero__portrait {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hero__portrait img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.hero__portrait figcaption {
  padding: 1.5rem;
  color: var(--color-muted);
}

.section {
  padding: 5rem 0;
}

.section--alt {
  background: color-mix(in srgb, var(--color-surface) 60%, var(--color-bg));
}

.section__header {
  max-width: 620px;
  margin-bottom: 2.5rem;
}

.section__eyebrow {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

.section__body {
  color: var(--color-muted);
  font-size: 1.05rem;
}

.grid-two {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.skills__grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.card p {
  color: var(--color-muted);
  margin: 0;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.skill-tags li {
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-primary) 18%, var(--color-surface));
  color: var(--color-primary);
  font-weight: 500;
  font-size: 0.85rem;
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 2px solid var(--color-border);
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: -10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(var(--color-primary), transparent);
}

.timeline__item {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 2.75rem;
}

.timeline__item:last-child {
  margin-bottom: 0;
}

.timeline__marker {
  position: absolute;
  left: -18px;
  top: 0.4rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--color-primary) 20%, transparent);
}

.timeline__date {
  font-weight: 600;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.projects__grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.project-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
}

.project-card img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.project-card__content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.project-card__meta {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.project-card__link {
  font-weight: 600;
  color: var(--color-primary);
}

.writing__list {
  display: grid;
  gap: 2rem;
}

.writing__item {
  padding: 2rem;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease;
}

.writing__item:hover,
.writing__item:focus-within {
  transform: translateY(-4px);
}

.writing__date {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: 0.75rem;
}

.testimonial__grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.testimonial {
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.testimonial blockquote {
  margin: 0;
  font-size: 1.05rem;
  font-style: italic;
  color: var(--color-muted);
}

.testimonial__name {
  font-weight: 600;
}

.testimonial__role {
  display: block;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.contact__grid {
  display: grid;
  gap: 3rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  align-items: start;
}

.contact__details {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  gap: 0.75rem;
  color: var(--color-muted);
}

.contact__form {
  display: grid;
  gap: 1rem;
  background: var(--color-surface);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.contact__form label {
  font-weight: 600;
  font-size: 0.95rem;
}

.contact__form input,
.contact__form textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-surface) 75%, var(--color-bg));
  color: var(--color-text);
  font: inherit;
}

.contact__form input:focus,
.contact__form textarea:focus {
  outline: 2px solid color-mix(in srgb, var(--color-primary) 60%, transparent);
  border-color: var(--color-primary);
}

.contact__note {
  color: var(--color-muted);
  font-size: 0.85rem;
  margin: 0;
}

.site-footer {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-surface) 70%, var(--color-bg));
}

.site-footer__content {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: start;
}

.site-footer__title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.site-footer__links {
  display: grid;
  gap: 0.75rem;
  color: var(--color-muted);
}

.site-footer__meta {
  display: grid;
  gap: 0.75rem;
  color: var(--color-muted);
}

.site-footer__top {
  justify-self: start;
  color: var(--color-primary);
  font-weight: 600;
}

/* Form field styling */
.field {
  margin-bottom: 10px;
}

.field label {
  display: block;
  font-size: 12px;
  color: #777;
}

.field input,
.field textarea {
  display: block;
  min-width: 250px;
  line-height: 1.5;
  font-size: 14px;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
  background-color: #f9f9f9;
  color: #000;
}

input[type="submit"] {
  display: block;
  padding: 6px 30px;
  font-size: 14px;
  background-color: #4460AA;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

input[type="submit"]:hover {
  background-color: #36508A;
}

@media (max-width: 900px) {
  .site-header .container {
    padding: 0.75rem 0;
  }

  .nav-toggle {
    display: block;
  }

  .site-menu {
    position: absolute;
    right: 1rem;
    top: 100%;
    flex-direction: column;
    align-items: flex-start;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-soft);
    transform: translateY(1rem);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .site-menu[aria-expanded='true'] {
    transform: translateY(0.5rem);
    opacity: 1;
    pointer-events: all;
  }

  .theme-toggle {
    order: 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.will-animate {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

body.dark .field input,
body.dark .field textarea {
  background-color: #111c34; /* Dark background */
  color: #e2e8f0; /* Light text color */
}

.resume__actions iframe {
  width: 100%;
  height: 500px;
  border: none;
  object-fit: contain; /* Ensures the content fits within the iframe */
}