:root {
  --bg: #0D1117;
  --surface: #161B22;
  --border: #21262D;
  --border-strong: #30363D;
  --accent: #5B8CFF;
  --text: #E6EDF3;
  --text-muted: #8B949E;
  --font-mono: 'JetBrains Mono', monospace;
  --font-sans: 'IBM Plex Sans', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.accent { color: var(--accent); }
a { color: inherit; text-decoration: none; }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  max-width: 1100px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.15s ease;
}

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

/* Hero */
.hero {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 96px;
  text-align: center;
}

/* Terminal */
.terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  max-width: 420px;
  margin: 0 auto 48px;
  overflow: hidden;
  text-align: left;
}

.terminal-bar {
  display: flex;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}

.terminal-bar .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--border-strong);
  display: inline-block;
}

.terminal-body {
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 16px 18px;
  color: var(--text);
}

.terminal-line {
  min-height: 20px;
  margin-bottom: 4px;
}

.terminal-line:last-child { margin-bottom: 0; }

.terminal-teal { color: #3FB9C4; }

.terminal-cycle {
  min-height: 132px; /* tallest state: 5 lines × ~22px + 4 margins × 4px */
}

.prompt { color: var(--accent); margin-right: 8px; }

.cursor {
  display: inline-block;
  color: #3FB9C4;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Dot grid */
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 420px;
  background-image: radial-gradient(circle, #161B22 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.hero { position: relative; }
.hero > * { position: relative; z-index: 1; }

h1 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(32px, 6vw, 52px);
  letter-spacing: -0.01em;
  margin-bottom: 20px;
}

.subline {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 440px;
  margin: 0 auto;
  line-height: 1.7;
}

.cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 36px;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  padding: 12px 22px;
  border-radius: 8px;
  display: inline-block;
  transition: transform 0.12s ease, opacity 0.12s ease;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover { opacity: 0.9; }

.btn-secondary {
  border: 1px solid var(--border-strong);
  color: var(--text);
}

.btn-secondary:hover { border-color: var(--accent); }

.cta-prompt {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--text-muted);
  transition: color 0.15s ease;
}

.cta-prompt:hover { color: var(--text); }

/* Eyebrow */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 16px;
}

/* Contact */
.contact {
  max-width: 600px;
  margin: 0 auto;
  padding: 80px 24px 120px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.contact h2 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(24px, 4vw, 30px);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.contact-sub {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 32px;
}

/* Footer */
.footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 48px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 13px;
}

.footer-muted {
  color: var(--text-muted);
  font-family: var(--font-sans);
}

/* Responsive */
@media (max-width: 720px) {
  .nav { padding: 20px 24px; }
  .nav-links { gap: 20px; }
  .footer { flex-direction: column; gap: 12px; text-align: center; padding: 32px 24px 48px; }
}

/* === Sub-page shared styles === */

.page-hero {
  max-width: 720px;
  margin: 0 auto;
  padding: 72px 24px 56px;
}

.page-hero h1 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(28px, 5vw, 42px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
}

.page-sub {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.7;
}

/* Work page */
.work-status {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 64px;
}

.status-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
  background: var(--surface);
}

.status-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  padding: 4px 12px;
  margin-bottom: 18px;
}

.status-card h2 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.4;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.status-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}

.status-meta {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

.work-cta {
  max-width: 600px;
  margin: 0 auto;
  padding: 64px 24px 100px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.work-cta h2 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(22px, 4vw, 28px);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

/* Services page */
.service-detail {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.service-detail-block {
  border-top: 1px solid var(--border);
  padding-top: 32px;
}

.service-detail-block h2 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(20px, 3vw, 26px);
  margin: 10px 0 14px;
  letter-spacing: -0.01em;
}

.service-detail-desc {
  font-size: 15px;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 14px;
  max-width: 600px;
}

.service-label {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 15px;
  color: var(--accent);
  margin-bottom: 12px;
}

.service-tags {
  font-size: 12px;
  color: #5B636E;
  line-height: 1.8;
}

/* Contact page */
.contact-form-section {
  max-width: 560px;
  margin: 0 auto;
  padding: 56px 24px 100px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row label {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

.form-row input,
.form-row textarea {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text);
  resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.contact-form .btn {
  align-self: flex-start;
  border: none;
  cursor: pointer;
  font-family: var(--font-sans);
}

.form-alt {
  margin-top: 32px;
  font-size: 14px;
  color: var(--text-muted);
  text-align: center;
}

.accent-link {
  color: var(--accent);
}

/* Capability list (Services page) */
.capability-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 20px;
}

.capability-list li {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  padding-left: 16px;
  position: relative;
}

.capability-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--border-strong);
}

@media (max-width: 720px) {
  .capability-list {
    grid-template-columns: 1fr;
  }
}