:root {
  --bg: #0b0d10;
  --bg-elev: #11151a;
  --bg-card: #121821;
  --border: #1f2730;
  --border-strong: #2a3441;
  --text: #e6edf3;
  --text-dim: #9aa6b2;
  --text-muted: #6b7785;
  --accent: #7cf0a8;
  --accent-2: #6aa9ff;
  --accent-warm: #ffb86b;
  --danger: #ff6b6b;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas,
    monospace;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    sans-serif;
  --max: 1080px;
  --radius: 12px;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset,
    0 10px 30px -20px rgba(0, 0, 0, 0.8);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a {
  color: var(--accent-2);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover {
  color: var(--accent);
}

strong {
  color: var(--text);
  font-weight: 600;
}
em {
  color: var(--accent);
  font-style: normal;
  font-weight: 500;
}
code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--bg-elev);
  padding: 1px 6px;
  border-radius: 6px;
  border: 1px solid var(--border);
  color: var(--accent);
}

/* Backdrop */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(
    ellipse at 50% 0%,
    rgba(0, 0, 0, 0.5),
    transparent 70%
  );
  opacity: 0.35;
  pointer-events: none;
}
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(
      600px 400px at 15% -5%,
      rgba(124, 240, 168, 0.12),
      transparent 60%
    ),
    radial-gradient(
      700px 500px at 90% 10%,
      rgba(106, 169, 255, 0.1),
      transparent 60%
    );
  pointer-events: none;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 48px);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(11, 13, 16, 0.65);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.nav.scrolled {
  border-bottom-color: var(--border);
  background: rgba(11, 13, 16, 0.85);
}
.nav-logo {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--text);
  font-size: 15px;
  letter-spacing: -0.01em;
}
.nav-logo-mark {
  color: var(--accent);
  margin-right: 2px;
}
.nav-links {
  display: flex;
  gap: clamp(14px, 3vw, 28px);
  font-family: var(--mono);
  font-size: 14px;
}
.nav-links a {
  color: var(--text-dim);
}
.nav-links a:hover {
  color: var(--text);
}

@media (max-width: 520px) {
  .nav-links {
    gap: 14px;
    font-size: 13px;
  }
}

/* Layout */
main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}

.section {
  padding: 80px 0 24px;
  scroll-margin-top: 80px;
}
.section-title {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: lowercase;
  letter-spacing: 0.04em;
  margin: 0 0 28px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-title .hash {
  color: var(--accent);
  font-weight: 600;
}

/* Hero */
.hero {
  padding: clamp(64px, 12vw, 120px) 0 32px;
  max-width: 760px;
}
.hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-elev);
  margin-bottom: 28px;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(124, 240, 168, 0.6);
  animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(124, 240, 168, 0.6);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(124, 240, 168, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(124, 240, 168, 0);
  }
}
.hero h1 {
  font-size: clamp(40px, 7vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
  font-weight: 700;
  background: linear-gradient(180deg, #ffffff 0%, #c8d4e0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.cursor {
  display: inline-block;
  width: 0.55ch;
  height: 0.95em;
  background: var(--accent);
  margin-left: 6px;
  vertical-align: -0.08em;
  animation: blink 1.05s steps(1, end) infinite;
  border-radius: 1px;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}
.hero-role {
  font-family: var(--mono);
  color: var(--text-dim);
  margin: 0 0 24px;
  font-size: clamp(13px, 1.4vw, 15px);
  letter-spacing: 0.01em;
}
.hero-summary {
  font-size: clamp(16px, 1.6vw, 18px);
  color: var(--text-dim);
  margin: 0 0 32px;
  max-width: 640px;
}
.hero-summary strong {
  color: var(--accent);
  font-weight: 600;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.btn {
  display: inline-flex;
  align-items: center;
  padding: 11px 20px;
  border-radius: 10px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease,
    border-color 0.15s ease, color 0.15s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-primary {
  background: var(--accent);
  color: #062313;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: #94f5b8;
  color: #062313;
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-ghost:hover {
  border-color: var(--text-dim);
  color: var(--text);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.stat {
  padding: 18px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.stat:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.stat-value {
  font-family: var(--mono);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
}
.stat-label {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.4;
}
@media (max-width: 720px) {
  .hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* About */
.about-grid {
  display: grid;
  gap: 18px;
  color: var(--text-dim);
  font-size: 16.5px;
  max-width: 760px;
}
.about-grid p {
  margin: 0;
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.skill-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.skill-card h3 {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 600;
}
.tag-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.tag-list li {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-dim);
  padding: 4px 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
}

/* Experience */
.job {
  position: relative;
  padding: 28px 0;
  border-top: 1px solid var(--border);
}
.job:first-of-type {
  border-top: none;
  padding-top: 4px;
}
.job-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.job-title {
  margin: 0 0 4px;
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}
.job-company {
  margin: 0;
  color: var(--text-dim);
  font-size: 14px;
  font-family: var(--mono);
}
.job-dates {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
}
.job-bullets {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.job-bullets li {
  position: relative;
  padding-left: 22px;
  color: var(--text-dim);
  font-size: 15.5px;
  line-height: 1.65;
}
.job-bullets li::before {
  content: "▸";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-family: var(--mono);
}

/* Education */
.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow);
  max-width: 520px;
}
.edu-card h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
}
.edu-card p {
  margin: 0;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 14px;
}

/* Contact */
.section-contact {
  padding-bottom: 80px;
}
.contact-lede {
  color: var(--text-dim);
  font-size: 16.5px;
  max-width: 600px;
  margin: 0 0 28px;
}
.contact-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}
.contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--text);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.contact-item:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  color: var(--text);
}
.contact-label {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}
.contact-value {
  font-family: var(--mono);
  font-size: 14.5px;
  color: var(--accent);
  word-break: break-all;
}

/* Footer */
.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px clamp(20px, 5vw, 48px) 48px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 12.5px;
}
.footer-dot {
  color: var(--border-strong);
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}