html, body {
  margin: 0;
  padding: 0;
}

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

button, input, select, textarea {
  font: inherit;
}

:root {
  --bg: #0b1220;
  --bg-soft: #111827;
  --text: #e5e7eb;
  --muted: #9aa4b2;
  --primary: #6ee7b7;
  --primary-ink: #064e3b;
  --card-bg: #141c2f;
  --border: #1f2937;
  
  --radius: 12px;
  --shadow: 0 10px 30px -10px rgba(0,0,0,0.5);

  --space-1: 0.375rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  
  --nav-glass: rgba(11, 18, 32, 0.85);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --bg-soft: #f8fafc;
    --text: #0f172a;
    --muted: #64748b;
    --primary: #10b981;
    --primary-ink: #ffffff;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 10px 30px -10px rgba(0,0,0,0.1);
    --nav-glass: rgba(255, 255, 255, 0.85);
  }
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 90% 10%, rgba(110,231,183,0.08), transparent 40%), var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: 0.2s;
}

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

h1, h2, h3 {
  line-height: 1.2;
  margin: 0 0 var(--space-2);
  color: var(--text);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  letter-spacing: -1px;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  letter-spacing: -0.5px;
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  margin: 0 0 var(--space-3);
}

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

.container {
  max-width: 1050px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.section {
  padding: var(--space-6) 0;
}

.mt-2 {
  margin-top: var(--space-4);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--primary);
  color: var(--primary-ink);
  padding: var(--space-2) var(--space-3);
  border-radius: 0 0 10px 0;
  z-index: 1000;
}

.skip-link:focus {
  left: 0;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.row-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.03em;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
}

.nav-links a:hover, .nav-links a[aria-current="page"] {
  color: var(--primary);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-5);
  align-items: center;
}

.intro .subtitle {
  font-size: 1.15rem;
  max-width: 55ch;
  color: var(--muted);
}

.eyebrow {
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  margin-bottom: var(--space-2);
}

.actions {
  display: flex;
  gap: var(--space-2);
  margin: var(--space-4) 0;
}

.quick-info {
  list-style: none;
  display: flex;
  gap: var(--space-3);
  padding: 0;
  margin: var(--space-4) 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  border-top: 1px solid var(--border);
  padding-top: var(--space-3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--primary-ink);
  border: 1px solid transparent;
  border-radius: 50px;
  padding: 12px 24px;
  font-weight: 600;
  transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(110, 231, 183, 0.4);
  color: var(--primary-ink);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--muted);
  background: var(--bg-soft);
  color: var(--text);
  box-shadow: none;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.9rem;
}
.card-content {
  flex: 1;
}

.tech-stack {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.card-links {
  margin-top: var(--space-3);
  display: flex;
  gap: var(--space-2);
}

.check-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.check-list li::before {
  content: "✔";
  color: var(--primary);
  position: absolute;
  left: 0;
  font-weight: bold;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tags span {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 500;
}

.timeline {
  border-left: 2px solid var(--border);
  padding-left: 2rem;
  margin-left: 0.5rem;
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -2.4rem;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--bg);
  border: 2px solid var(--primary);
  border-radius: 50%;
}

.timeline-item ul {
  padding-left: 1rem;
  color: var(--muted);
  margin-top: 0.5rem;
}

.badge {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  margin-left: 8px;
  vertical-align: middle;
  color: var(--text);
}

footer {
  text-align: center;
  padding: var(--space-6) 0;
  border-top: 1px solid var(--border);
  margin-top: var(--space-6);
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-links li {
  margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
  .grid-2 {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-4);
  }

  .intro .subtitle {
    margin: 0 auto var(--space-4);
  }

  .actions {
    justify-content: center;
  }

  .quick-info {
    justify-content: center;
    border-top: none;
  }

  .intro-image img {
    max-width: 280px;
    margin: 0 auto;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  }

  .navbar {
    padding: 10px 0;
  }

  .row-between {
    flex-direction: column;
    gap: 10px;
  }

  .skill-tags {
    justify-content: center;
  }

  .timeline {
    padding-left: 1.5rem;
  }
}