:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel-light: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #38bdf8;
  --accent-2: #22c55e;
  --border: rgba(255,255,255,0.12);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: radial-gradient(circle at top left, #1e3a8a 0, var(--bg) 38%);
  color: var(--text);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15,23,42,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo { font-weight: 700; letter-spacing: 0.03em; }
.nav-links { display: flex; gap: 1rem; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: none; color: var(--text); border: 0; font-size: 1.5rem; }

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5rem 1.25rem;
}

.hero {
  min-height: 82vh;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
}

h1, h2, h3 { line-height: 1.15; margin: 0 0 1rem; }
h1 { font-size: clamp(2.4rem, 6vw, 4.8rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
.hero-summary { color: var(--muted); font-size: 1.2rem; max-width: 720px; }

.button-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
.button {
  display: inline-block;
  padding: 0.85rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid var(--border);
}
.button.primary { background: var(--accent); color: #082f49; border-color: var(--accent); }
.button.secondary { color: var(--text); }

.hero-card, .card, .resume-box, .contact-form {
  background: rgba(17,24,39,0.78);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: 0 20px 70px rgba(0,0,0,0.25);
}

.photo-placeholder {
  aspect-ratio: 1 / 1;
  border-radius: 20px;
  display: grid;
  place-items: center;
  color: var(--muted);
  text-align: center;
  margin-bottom: 1.25rem;
}

.profile-photo {
  width: 100%;
  max-width: 325px;
  height: auto;
  border-radius: 5%;
  display: block;
  margin: 0 auto;
}

.split {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 3rem;
}

.timeline {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}
.timeline article {
  padding: 1.25rem;
  border-left: 4px solid var(--accent);
  background: rgba(31,41,55,0.55);
  border-radius: 16px;
}
.timeline span { color: var(--accent-2); font-weight: 700; }

.cards { display: grid; gap: 1rem; margin-top: 2rem; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card ul { padding-left: 1.25rem; color: var(--muted); }
.card p, .split p, .resume-box p { color: var(--muted); }

.contact-form { display: grid; gap: 1rem; }
label { display: grid; gap: 0.4rem; color: var(--muted); }
input, textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: #020617;
  color: var(--text);
  border-radius: 12px;
  padding: 0.8rem;
}
button.button { cursor: pointer; }

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

@media (max-width: 800px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    padding: 1rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
  }
  .nav-links.open { display: flex; }
  .hero, .split, .cards.three, .cards.two { grid-template-columns: 1fr; }
  .section { padding: 3.5rem 1rem; }
}