:root {
  color-scheme: dark;
  --bg: #0b1220;
  --surface: rgba(18, 28, 48, 0.95);
  --surface-strong: #12213b;
  --text: #e8eef8;
  --muted: #94a3b8;
  --accent: #6c9cff;
  --accent-soft: rgba(108, 156, 255, 0.14);
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 30px 60px rgba(3, 11, 28, 0.4);
  font-family: 'Inter', sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: radial-gradient(circle at top, #15294a 0%, #0b1220 38%, #07101f 100%);
}

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

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

button, .btn {
  font: inherit;
}

.container {
  width: min(1150px, 100% - 2rem);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(11, 18, 32, 0.82);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

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

.brand {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  align-items: center;
}

.nav-links a {
  color: var(--muted);
  transition: color 0.2s ease;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  padding: 0.85rem 1.4rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, #6c9cff, #5aadff);
  color: #0a1326;
  font-weight: 700;
}

.btn-secondary {
  background: rgba(255,255,255,0.07);
  color: var(--text);
  border-color: rgba(255,255,255,0.12);
}

.hero {
  padding: 5rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
  align-items: center;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.8rem, 3.8vw, 4.2rem);
  line-height: 0.95;
}

.accent {
  color: #9abaff;
}

.hero-text {
  margin: 1.6rem 0 2rem;
  max-width: 620px;
  color: var(--muted);
  line-height: 1.85;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-card {
  padding: 2rem;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.03));
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,0.08);
}

.hero-card-inner {
  display: grid;
  gap: 1.5rem;
}

.stat-label {
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

#experience-value {
  margin: 0;
  font-size: 3rem;
  color: var(--text);
}

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

.hero-highlights {
  display: grid;
  gap: 1rem;
}

.hero-highlights div {
  padding: 1rem 1.15rem;
  border-radius: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.hero-highlights strong {
  display: block;
  margin-bottom: 0.45rem;
}

.section {
  padding: 4rem 0;
}

.section-alt {
  background: rgba(255,255,255,0.02);
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.section-label {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.section h2 {
  margin: 0;
  font-size: clamp(2rem, 2.6vw, 2.8rem);
}

.section p {
  color: var(--muted);
  line-height: 1.8;
  max-width: 720px;
}

.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.about-cards {
  display: grid;
  gap: 1rem;
}

.info-card {
  padding: 1.5rem;
  border-radius: 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
}

.card-title {
  display: block;
  margin-bottom: 0.85rem;
  font-weight: 700;
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(140px, 1fr));
  gap: 1rem;
}

.skill-pill {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(108, 156, 255, 0.1);
  color: #d8e7ff;
  border: 1px solid rgba(108, 156, 255, 0.22);
  text-align: center;
  font-weight: 600;
}

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

.timeline-item {
  padding: 1.5rem;
  border-radius: 24px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.timeline-date {
  display: inline-flex;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: rgba(108, 156, 255, 0.12);
  color: #c5d5ff;
  font-size: 0.95rem;
  margin-bottom: 0.9rem;
}

.timeline-item h3 {
  margin: 0 0 0.75rem;
}

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

.contact-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  gap: 0.75rem;
}

.contact-list li {
  color: var(--muted);
}

.contact-card {
  background: rgba(255,255,255,0.04);
  padding: 2rem;
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.footer {
  padding: 1.5rem 0;
}

.footer-inner {
  display: flex;
  justify-content: center;
  color: var(--muted);
}

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

  .nav-links {
    display: none;
  }
}

@media (max-width: 720px) {
  .topbar-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .hero {
    padding-top: 3rem;
  }

  .hero-card,
  .info-card,
  .timeline-item,
  .contact-card {
    padding: 1.5rem;
  }

  .skill-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }
}

@media (max-width: 520px) {
  .section {
    padding: 3rem 0;
  }

  .hero h1 {
    font-size: 2.6rem;
  }

  .skill-grid {
    grid-template-columns: 1fr;
  }
}