:root {
  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    'Segoe UI', sans-serif;
  --bg: #f8fafc;
  --panel: #ffffff;
  --panel-alt: #f1f5f9;
  --text-strong: #0f172a;
  --text: #1f2937;
  --text-muted: #475569;
  --border: #e2e8f0;
  --shadow: 0 25px 45px -20px rgba(15, 23, 42, 0.2);
  --accent: #0ea5e9;
  --accent-strong: #0284c7;
  --accent-soft: rgba(14, 165, 233, 0.12);
  --card-radius: 18px;
}

:root.dark {
  --bg: #0b0c10;
  --panel: #0f172a;
  --panel-alt: #111827;
  --text-strong: #e2e8f0;
  --text: #cbd5e1;
  --text-muted: #94a3b8;
  --border: #1f2937;
  --shadow: 0 25px 45px -22px rgba(0, 0, 0, 0.6);
  --accent: #22d3ee;
  --accent-strong: #06b6d4;
  --accent-soft: rgba(34, 211, 238, 0.15);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

img {
  max-width: 100%;
  display: block;
  border-radius: 14px;
}

.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;
}

header {
  position: relative;
  z-index: 2;
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.5rem 0.35rem 0.4rem;
  border-radius: 9999px;
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  color: var(--text-strong);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 1rem;
  align-items: center;
  font-weight: 600;
  color: var(--text-muted);
}

.nav-links a {
  padding: 0.4rem 0.75rem;
  border-radius: 9999px;
  transition: color 0.2s ease, background 0.2s ease;
}

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

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text-strong);
  border-radius: 9999px;
  padding: 0.35rem 0.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  box-shadow: var(--shadow);
}

main {
  position: relative;
  z-index: 1;
}

.page-shell {
  width: 100%;
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.hero {
  padding: 2rem 0 3rem;
  display: grid;
  gap: 2rem;
}

.hero h1 {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  line-height: 1.1;
  color: var(--text-strong);
  margin: 0;
}

.hero p {
  margin: 1rem 0 0;
  color: var(--text-muted);
  max-width: 650px;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.95rem;
  border-radius: 12px;
  border: 1px solid transparent;
  background: var(--accent);
  color: #0b0c10;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: var(--shadow);
}

.button:hover {
  transform: translateY(-1px);
  background: var(--accent-strong);
}

.button.secondary {
  background: var(--panel);
  color: var(--text-strong);
  border-color: var(--border);
}

.button.secondary:hover {
  background: var(--panel-alt);
}

.section-heading {
  font-size: 1.75rem;
  margin: 0 0 0.75rem;
  color: var(--text-strong);
}

.section-subtitle {
  margin: 0;
  color: var(--text-muted);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1.4rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0 0 0.35rem;
  color: var(--text-strong);
  font-size: 1.05rem;
}

.card p {
  margin: 0.35rem 0 0;
  color: var(--text-muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  border: 1px solid var(--border);
  background: var(--panel-alt);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
}

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

.stack {
  display: grid;
  gap: 1rem;
}

.photo-stack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.photo-stack img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--border);
}

.resume-list {
  display: grid;
  gap: 0.75rem;
}

.resume-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.resume-item .meta {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.newsletter {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.newsletter form {
  display: grid;
  gap: 0.9rem;
}

input[type='email'] {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-alt);
  color: var(--text-strong);
}

input[type='email']::placeholder {
  color: var(--text-muted);
}

.social-links {
  display: flex;
  gap: 0.8rem;
  align-items: center;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 2.5rem 0 2rem;
}

.prose {
  color: var(--text);
  line-height: 1.75;
  font-size: 1rem;
}

.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  color: var(--text-strong);
  margin: 2rem 0 0.8rem;
  line-height: 1.2;
}

.prose h1 {
  font-size: 2.25rem;
}

.prose h2 {
  font-size: 1.6rem;
}

.prose h3 {
  font-size: 1.2rem;
}

.prose p {
  margin: 1rem 0;
}

.prose ul,
.prose ol {
  padding-left: 1.2rem;
  margin: 1rem 0;
  color: var(--text);
}

.prose li + li {
  margin-top: 0.35rem;
}

.prose code {
  background: var(--panel-alt);
  padding: 0.15rem 0.35rem;
  border-radius: 8px;
  font-size: 0.95em;
}

.prose pre {
  background: var(--panel-alt);
  padding: 1rem;
  border-radius: 12px;
  overflow-x: auto;
  border: 1px solid var(--border);
}

.prose blockquote {
  border-left: 4px solid var(--accent);
  padding-left: 1rem;
  color: var(--text-muted);
  margin: 1.25rem 0;
}

.article-meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  color: var(--text-muted);
  font-weight: 600;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 1.8rem 1.5rem;
  margin-top: 2rem;
  color: var(--text-muted);
}

.footer .inner {
  max-width: 1150px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.hero-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle at 20% 20%, rgba(14, 165, 233, 0.16), transparent 30%),
    radial-gradient(circle at 80% 0%, rgba(56, 189, 248, 0.12), transparent 26%),
    radial-gradient(circle at 50% 40%, rgba(14, 165, 233, 0.12), transparent 36%);
  filter: blur(60px);
  opacity: 0.6;
}

@media (min-width: 768px) {
  .hero {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .grid.two-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid.three-columns {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .nav-links {
    gap: 1.25rem;
  }

}

.hide-header header {
  display: none;
}