:root {
  --bg: #0a0f14;
  --bg-alt: #101820;
  --panel: #131b24;
  --border: #223140;
  --text: #e6f1f4;
  --text-dim: #8fa5b3;
  --accent: #00e5e5;
  --accent-dim: #0a8f8f;
  --warn: #ffb703;

  --font-display: 'JetBrains Mono', monospace;
  --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- nav ---------- */

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(10, 15, 20, 0.85);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.nav-logo {
  font-family: var(--font-display);
  color: var(--accent);
  font-weight: 700;
}

.nav-links a {
  margin-left: 28px;
  color: var(--text-dim);
  font-size: 14px;
  font-family: var(--font-display);
}

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

/* ---------- hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: 90px 40px;
}

.eyebrow {
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
}

.hero-text h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  margin: 0 0 16px;
  line-height: 1.1;
}

.tagline {
  color: var(--text-dim);
  font-size: 18px;
  max-width: 46ch;
  margin: 0 0 32px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  font-family: var(--font-display);
  font-size: 14px;
  padding: 12px 22px;
  border-radius: 6px;
  border: 1px solid var(--accent);
  display: inline-block;
}

.btn-primary { background: var(--accent); color: #04191c; font-weight: 700; }
.btn-primary:hover { background: #33ecec; }

.btn-ghost { color: var(--accent); background: transparent; }
.btn-ghost:hover { background: rgba(0, 229, 229, 0.08); }

.btn-small { padding: 8px 16px; font-size: 13px; }

/* ---------- terminal ---------- */

.terminal {
  background: #05090c;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 229, 229, 0.08);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: #0d151b;
  border-bottom: 1px solid var(--border);
}

.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-title {
  margin-left: 10px;
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--text-dim);
}

.terminal-body {
  margin: 0;
  padding: 20px;
  font-family: var(--font-display);
  font-size: 13px;
  color: #7fffd4;
  min-height: 220px;
  white-space: pre-wrap;
  word-break: break-word;
}

.terminal-body .ok { color: var(--accent); }
.terminal-body .fail { color: #ff6b6b; }
.terminal-body .dim { color: var(--text-dim); }

/* blinking cursor */
.cursor::after {
  content: "▌";
  animation: blink 1s steps(1) infinite;
  color: var(--accent);
}

@keyframes blink { 50% { opacity: 0; } }

/* ---------- sections ---------- */

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 70px 40px;
  border-top: 1px solid var(--border);
}

.section-title {
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 14px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 36px;
}

/* ---------- project cards ---------- */

.project-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  margin-bottom: 28px;
}

.project-card.featured {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: start;
  border-color: var(--accent-dim);
}

.project-tag {
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--warn);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  margin: 8px 0 12px;
}

.project-card p { color: var(--text-dim); margin: 0 0 18px; }

.tech-tags, .feature-list {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
}

.tech-tags { display: flex; flex-wrap: wrap; gap: 8px; }

.tech-tags li {
  font-family: var(--font-display);
  font-size: 12px;
  background: rgba(0, 229, 229, 0.08);
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  padding: 5px 10px;
  border-radius: 20px;
}

.feature-list li {
  padding-left: 18px;
  position: relative;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 14px;
}

.feature-list li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.project-links { display: flex; gap: 12px; flex-wrap: wrap; }

.visual-placeholder {
  border: 1px dashed var(--border);
  border-radius: 10px;
  height: 100%;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  color: var(--text-dim);
  font-size: 13px;
}

/* ---------- about / contact ---------- */

.about-text { color: var(--text-dim); max-width: 70ch; font-size: 16px; }

.contact-links { display: flex; gap: 24px; flex-wrap: wrap; font-family: var(--font-display); }

.footer {
  text-align: center;
  padding: 30px;
  color: var(--text-dim);
  font-size: 13px;
  border-top: 1px solid var(--border);
}

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .hero, .project-card.featured {
    grid-template-columns: 1fr;
  }
  .nav { padding: 16px 20px; }
  .nav-links a { margin-left: 16px; }
  .section { padding: 50px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .cursor::after { animation: none; }
  html { scroll-behavior: auto; }
}