:root {
  --bg: #0a0d12;
  --panel: #111722;
  --panel-2: #0e141d;
  --text: #eef2f7;
  --muted: #9ba8b8;
  --line: #1f2a38;
  --accent: #7ee787;
  --accent-2: #58a6ff;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background:
    radial-gradient(
      circle at 20% -10%,
      rgba(88, 166, 255, 0.1),
      transparent 34%
    ),
    radial-gradient(
      circle at 90% 5%,
      rgba(126, 231, 135, 0.08),
      transparent 28%
    ),
    var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}
.wrap {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px max(20px, calc((100vw - var(--max)) / 2));
  background: rgba(10, 13, 18, 0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 0.92rem;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 9px;
  font-family: "JetBrains Mono", monospace;
  color: var(--accent);
}
nav {
  display: flex;
  gap: 24px;
}
nav a {
  color: var(--muted);
  font-size: 0.94rem;
}
nav a:hover {
  color: var(--text);
}

.hero {
  padding: 120px 0 90px;
  text-align: center;
}
.eyebrow,
.section-kicker {
  font-family: "JetBrains Mono", monospace;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 600;
}
h1 {
  font-size: clamp(3rem, 7vw, 6.4rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
  margin: 20px auto 24px;
  max-width: 980px;
}
.lead {
  max-width: 760px;
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
  flex-wrap: wrap;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-weight: 700;
  transition: 0.2s ease;
}
.button.primary {
  background: var(--text);
  color: #0a0d12;
  border-color: var(--text);
}
.button.primary:hover {
  transform: translateY(-1px);
}
.button.secondary {
  background: rgba(255, 255, 255, 0.02);
}
.button.secondary:hover {
  background: rgba(255, 255, 255, 0.05);
}

.terminal-card {
  text-align: left;
  max-width: 760px;
  margin: 58px auto 0;
  background: #080b10;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}
.terminal-top {
  padding: 12px 16px;
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--line);
}
.terminal-top span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2a3442;
}
pre {
  margin: 0;
  padding: 24px;
  overflow: auto;
}
code {
  font-family: "JetBrains Mono", monospace;
  color: #c9d1d9;
  font-size: 0.9rem;
}

.section {
  padding: 90px 0;
}
.section h2 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 10px 0 36px;
  max-width: 760px;
}
.grid {
  display: grid;
  gap: 18px;
}
.cards-4 {
  grid-template-columns: repeat(4, 1fr);
}
.cards-2 {
  grid-template-columns: repeat(2, 1fr);
}
.card,
.project-card,
.contact-card {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.025),
    rgba(255, 255, 255, 0.01)
  );
  border: 1px solid var(--line);
  border-radius: 16px;
}
.card {
  padding: 26px;
}
.icon {
  font-family: "JetBrains Mono", monospace;
  color: var(--accent-2);
  font-size: 1.15rem;
  margin-bottom: 28px;
}
.card h3,
.project-card h3 {
  font-size: 1.25rem;
  margin: 0 0 10px;
}
.card p,
.project-card p,
.about-copy p,
.contact-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.project-card {
  padding: 30px;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.tag {
  display: inline-block;
  color: var(--accent);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  margin-bottom: 20px;
}
.project-meta {
  color: #6f7d8d;
  font-size: 0.85rem;
  margin-top: 28px;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  align-items: start;
}
.about-copy {
  padding-top: 10px;
  font-size: 1.08rem;
}
.about-copy p:first-child {
  margin-top: 0;
}

.contact-card {
  padding: 38px;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: end;
}
.contact-card h2 {
  margin-bottom: 14px;
}
.contact-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  color: #6f7d8d;
  padding: 32px 0 42px;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .cards-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .contact-card {
    align-items: start;
    flex-direction: column;
  }
}
@media (max-width: 680px) {
  nav {
    display: none;
  }
  .hero {
    padding-top: 90px;
  }
  .cards-4,
  .cards-2 {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 68px 0;
  }
  .contact-card {
    padding: 26px;
  }
  .site-footer {
    flex-direction: column;
    gap: 8px;
  }
}