:root {
  --bg: #060816;
  --bg-soft: #10162b;
  --panel: rgba(12, 20, 42, 0.74);
  --panel-strong: rgba(20, 31, 63, 0.94);
  --text: #ecf2ff;
  --muted: #b8c2db;
  --line: rgba(143, 170, 255, 0.18);
  --accent: #7c9bff;
  --accent-2: #4de3c6;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.35);
  --radius: 24px;
  --radius-sm: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(124, 155, 255, 0.28), transparent 26%),
    radial-gradient(circle at 80% 10%, rgba(77, 227, 198, 0.18), transparent 20%),
    linear-gradient(180deg, #070a15 0%, #0b1120 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.65), transparent 95%);
}

.site-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.topbar {
  position: sticky;
  top: 16px;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  margin-bottom: 26px;
  background: rgba(6, 10, 21, 0.72);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

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

main {
  display: grid;
  gap: 22px;
}

.card {
  position: relative;
  overflow: hidden;
  padding: 28px;
  background: linear-gradient(180deg, rgba(16, 22, 43, 0.88), rgba(7, 12, 24, 0.92));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), transparent 35%, transparent 70%, rgba(124, 155, 255, 0.08));
}

.glow::before {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  right: -100px;
  top: -120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 155, 255, 0.28), transparent 70%);
  pointer-events: none;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 24px;
  padding: 40px;
}

.eyebrow,
.section-tag {
  margin: 0 0 12px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
}

.section-tag.compact {
  margin-top: 28px;
}

h1,
h2,
h3,
p {
  position: relative;
  z-index: 1;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 0.96;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
}

h3 {
  margin: 0 0 8px;
  font-size: 1.2rem;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.72;
}

.hero-text {
  max-width: 62ch;
  margin-top: 16px;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid var(--line);
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #08111e;
  border-color: transparent;
}

.button.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.hero-points,
.feature-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 10px;
}

.hero-panel {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.panel-badge,
.quote-box,
.project-card,
.pdf-frame,
.timeline-item,
.contact-links,
.stat-grid article {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(143, 170, 255, 0.16);
  border-radius: var(--radius-sm);
}

.panel-badge {
  padding: 14px 16px;
  color: var(--text);
  font-weight: 600;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.stat-grid article {
  padding: 18px;
}

.stat-number {
  display: block;
  margin-bottom: 4px;
  font-size: 1.4rem;
  font-weight: 800;
}

.stat-label {
  color: var(--muted);
  font-size: 0.95rem;
}

.quote-box {
  margin-top: auto;
  padding: 22px;
}

.quote-mark {
  display: block;
  font-size: 2rem;
  color: var(--accent);
  line-height: 1;
}

.quote-box p {
  margin: 8px 0 0;
  color: var(--text);
  font-size: 1.1rem;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.timeline-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
}

.timeline-year {
  min-width: 96px;
  color: var(--accent-2);
  font-weight: 700;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chips span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(143, 170, 255, 0.16);
  color: var(--text);
  font-weight: 600;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  padding: 22px;
  min-height: 100%;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--accent-2);
  font-size: 0.9rem;
  font-weight: 700;
}

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

.resume-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 22px;
  align-items: center;
}

.pdf-frame {
  overflow: hidden;
  min-height: 520px;
}

.pdf-frame iframe {
  width: 100%;
  min-height: 520px;
  border: 0;
  background: #fff;
}

.contact-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 22px;
  align-items: center;
}

.contact-links {
  display: grid;
  gap: 10px;
  padding: 20px;
}

.contact-links a,
.contact-links span {
  color: var(--muted);
  text-decoration: none;
  font-size: 1rem;
}

.scroll-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #08111e;
  font-size: 1.1rem;
  font-weight: 900;
  box-shadow: var(--shadow);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .hero,
  .section-grid,
  .resume-card,
  .contact-card,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .site-shell {
    width: min(100% - 20px, 1180px);
  }

  .topbar {
    border-radius: 28px;
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .card,
  .hero {
    padding: 22px;
  }

  .topbar {
    top: 10px;
    margin-bottom: 18px;
  }

  .nav {
    gap: 10px 14px;
  }

  h1 {
    font-size: 2.5rem;
  }

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

  .pdf-frame,
  .pdf-frame iframe {
    min-height: 420px;
  }
}