:root {
  --bg: #0a0e14;
  --bg-alt: #0f1420;
  --surface: #131926;
  --surface-hover: #182032;
  --border: #232b3d;
  --text: #e8ecf4;
  --text-dim: #8b96ab;
  --accent: #4dd6b5;
  --accent-2: #7c8fff;
  --radius: 14px;
  --max-width: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(600px circle at 15% 10%, rgba(77, 214, 181, 0.10), transparent 60%),
    radial-gradient(700px circle at 85% 30%, rgba(124, 143, 255, 0.10), transparent 60%);
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 14, 20, 0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.brand span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-links .nav-cta {
  margin-left: 8px;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.burger span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.25s;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn .icon { width: 18px; height: 18px; fill: currentColor; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #06110d;
}
.btn-outline {
  border-color: var(--border);
  color: var(--text);
  background: var(--surface);
}
.btn-outline:hover { border-color: var(--accent-2); }
.btn-ghost {
  color: var(--text-dim);
  background: transparent;
}
.btn-ghost:hover { color: var(--text); }
.btn-sm { padding: 9px 18px; font-size: 0.88rem; }

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 0 60px;
  position: relative;
}
.hero-inner {
  max-width: 720px;
  text-align: center;
  margin: 0 auto;
}
.eyebrow {
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  margin-bottom: 14px;
}
.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 10px;
}
.role {
  font-size: clamp(1.1rem, 2.6vw, 1.6rem);
  color: var(--text-dim);
  font-weight: 600;
  margin-bottom: 26px;
  font-family: 'JetBrains Mono', monospace;
  min-height: 1.6em;
}
.cursor {
  color: var(--accent);
  animation: blink 1s step-start infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-text {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 36px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
}
.scroll-hint span {
  display: block;
  width: 22px;
  height: 36px;
  border: 2px solid var(--border);
  border-radius: 999px;
  position: relative;
}
.scroll-hint span::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateX(-50%);
  animation: scrollDot 1.6s ease infinite;
}
@keyframes scrollDot {
  0% { top: 6px; opacity: 1; }
  70% { top: 20px; opacity: 0; }
  100% { top: 6px; opacity: 0; }
}

/* Sections */
.section { padding: 110px 0; }
.section-tag {
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 44px;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-text { color: var(--text-dim); font-size: 1.05rem; }
.stat-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-num {
  font-weight: 700;
  font-size: 1.1rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
}
.stat-label { color: var(--text-dim); font-size: 0.9rem; }

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.skill-card:hover {
  border-color: var(--accent-2);
  transform: translateY(-3px);
}
.skill-card h4 {
  font-size: 1rem;
  margin-bottom: 14px;
  color: var(--text);
}
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.82rem;
  font-family: 'JetBrains Mono', monospace;
  padding: 6px 12px;
  border-radius: 999px;
}

/* Projects */
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  margin-bottom: 24px;
}
.project-kicker {
  color: var(--accent-2);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 600;
}
.project-info h4 {
  font-size: 1.6rem;
  margin: 8px 0 14px;
}
.project-info p {
  color: var(--text-dim);
  margin-bottom: 18px;
  max-width: 640px;
}
.more-projects {
  color: var(--text-dim);
  font-size: 0.95rem;
}
.more-projects a { color: var(--accent); text-decoration: none; }
.more-projects a:hover { text-decoration: underline; }

/* Contact */
.contact-section { text-align: center; }
.contact-section .section-tag,
.contact-section .section-title { text-align: center; }
.contact-text {
  color: var(--text-dim);
  margin-bottom: 34px;
  font-size: 1.05rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dim);
  font-size: 0.88rem;
}
.footer-inner a {
  color: var(--text-dim);
  text-decoration: none;
}
.footer-inner a:hover { color: var(--text); }

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav-links { display: none; }
  .burger { display: flex; }
  .nav.open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 18px;
  }
  .nav.open .nav-links .nav-cta { margin-left: 0; }
  .skills-grid { grid-template-columns: 1fr; }
  .section { padding: 80px 0; }
  .footer-inner { flex-direction: column; gap: 10px; text-align: center; }
}