:root {
  --bg: #0b1020;
  --bg-soft: #121933;
  --surface: rgba(255, 255, 255, 0.08);
  --surface-strong: rgba(255, 255, 255, 0.12);
  --text: #ecf2ff;
  --muted: #b7c3e0;
  --accent: #7cc6ff;
  --accent-strong: #4ea8ff;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 45px rgba(0, 0, 0, 0.28);
  --max-width: 1120px;
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }

  .button:hover,
  .button:focus-visible {
    transform: none;
  }
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(78, 168, 255, 0.24), transparent 30%),
    radial-gradient(circle at top right, rgba(124, 198, 255, 0.18), transparent 28%),
    linear-gradient(180deg, #09101f 0%, #0b1020 100%);
  color: var(--text);
  line-height: 1.6;
}

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

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

.container {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(9, 16, 31, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

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

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
}

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

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

.nav-links a:hover {
  color: var(--text);
}

.nav-links a:focus-visible {
  color: var(--text);
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 46px;
  padding: 0.85rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--accent-strong);
  color: #03101f;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: 0 10px 28px rgba(78, 168, 255, 0.22);
}

.button:hover {
  transform: translateY(-1px);
}

.button:focus-visible {
  transform: translateY(-1px);
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.button.secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
  box-shadow: none;
}

.hero {
  padding: 4.5rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.4rem 0.85rem;
  background: rgba(124, 198, 255, 0.12);
  color: var(--accent);
  border: 1px solid rgba(124, 198, 255, 0.18);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.hero p {
  margin: 0;
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.hero-card,
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 1.4rem;
}

.profile-photo {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 18px;
  background:
    linear-gradient(160deg, rgba(124, 198, 255, 0.35), rgba(255, 255, 255, 0.06)),
    #111933;
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 1rem;
  overflow: hidden;
}

.profile-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.quick-facts {
  display: grid;
  gap: 0.85rem;
}

.quick-facts div {
  padding: 0.95rem 1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.quick-facts strong {
  display: block;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

section {
  padding: 1rem 0 3rem;
  scroll-margin-top: 5.5rem;
}

.section-header {
  margin-bottom: 1.3rem;
}

.section-header h2 {
  margin: 0 0 0.45rem;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  letter-spacing: -0.03em;
}

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

.about-grid,
.projects-grid,
.contact-grid {
  display: grid;
  gap: 1rem;
}

.about-grid {
  grid-template-columns: 1.2fr 0.8fr;
}

.card {
  padding: 1.4rem;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-size: 1.1rem;
}

.card p,
.card li {
  color: var(--muted);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.chips li {
  padding: 0.65rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 0.95rem;
}

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

.project-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 260px;
}

.project-card p {
  flex-grow: 1;
}

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

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

.contact-link {
  display: block;
  padding: 1rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.contact-link span {
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.brand:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}

.site-footer {
  padding: 1rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 900px) {
  .hero-grid,
  .about-grid,
  .projects-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3rem;
  }
}

@media (max-width: 640px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
  }

  .button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .card,
  .hero-card {
    padding: 1.15rem;
  }
}