:root {
  --bg: #f5f8fc;
  --bg-soft: #eef4fb;
  --card: #ffffff;
  --card-border: rgba(37, 99, 235, 0.12);
  --text: #142033;
  --muted: #54657d;
  --accent: #2563eb;
  --accent-2: #0f9f6e;
  --max-width: 1120px;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  --hero-glow: rgba(96, 165, 250, 0.18);
  --surface-tint: rgba(255, 255, 255, 0.78);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at top, var(--hero-glow), transparent 24%),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 52%, #eef3f9 100%);
  color: var(--text);
  line-height: 1.6;
}

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

.hero {
  padding: 1.25rem 0 5rem;
}

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

.brand {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--accent);
  box-shadow: 0 8px 22px rgba(114, 115, 117, 0.25);
}

.brand img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}


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

.nav-links a,
.contact-details a {
  color: var(--text);
  text-decoration: none;
}

.nav-links a:hover,
.contact-details a:hover {
  color: var(--accent);
}

.hero-content {
  padding-top: 4rem;
}

.eyebrow,
.section-label,
.project-subtitle,
.timeline-meta span {
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.02em;
}

h1,
h2,
h3,
p,
ul {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.75rem, 7vw, 5.2rem);
  line-height: 0.98;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-copy,
.section p,
.timeline-content,
.project-card p,
.skill-card p,
.contact-card p {
  color: var(--muted);
}

.hero-copy {
  max-width: 760px;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.95rem 1.35rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.15s ease, opacity 0.15s ease, box-shadow 0.15s ease;
}

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

.button.primary {
  background: linear-gradient(135deg, var(--accent), #1d4ed8);
  color: white;
  box-shadow: 0 14px 28px rgba(37, 99, 235, 0.22);
}

.button.secondary {
  border: 1px solid rgba(37, 99, 235, 0.16);
  color: var(--text);
  background: rgba(255, 255, 255, 0.78);
}

.highlights {
  display: grid;
  gap: 0.8rem;
  padding-left: 1.2rem;
  color: var(--muted);
}

.section {
  padding: 5rem 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.42);
  border-top: 1px solid rgba(37, 99, 235, 0.07);
  border-bottom: 1px solid rgba(37, 99, 235, 0.07);
  backdrop-filter: blur(4px);
}

.two-col {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
}

.stats-grid,
.project-grid,
.skills-grid {
  display: grid;
  gap: 1.25rem;
}

.stats-grid {
  grid-template-columns: repeat(4, 1fr);
}

.project-grid,
.skills-grid {
  grid-template-columns: repeat(2, 1fr);
}

.stat-card,
.project-card,
.skill-card,
.contact-card,
.timeline-item {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(248, 251, 255, 0.98));
  border: 1px solid var(--card-border);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.stat-card,
.project-card,
.skill-card,
.timeline-item {
  padding: 1.5rem;
}

.stat-card h3 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--accent-2);
}

.timeline-item {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
}

.timeline-meta p {
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.timeline-content ul {
  margin: 0;
  padding-left: 1.25rem;
}

.contact-card {
  padding: 2rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
}

.contact-details {
  display: grid;
  gap: 0.8rem;
  align-content: start;
}

@media (max-width: 920px) {
  .two-col,
  .timeline-item,
  .contact-card,
  .stats-grid,
  .project-grid,
  .skills-grid {
    grid-template-columns: 1fr;
  }

  .hero-content {
    padding-top: 2.5rem;
  }
}

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

  .nav-links {
    gap: 0.85rem;
  }

  .section {
    padding: 4rem 0;
  }

  h1 {
    line-height: 1.02;
  }
}