:root {
  --bg: #0B0E14;
  --surface: #131826;
  --surface-2: #171D2E;
  --border: #232B40;
  --border-soft: #1A2033;
  --text: #E4E7EF;
  --text-dim: #8890A6;
  --text-faint: #565F78;
  --accent: #5A52E8;
  --accent-soft: #5A52E822;
  --accent-line: #5A52E855;
  --amber: #F5A623;
  --green: #34D399;

  --font-display: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

/* ---------- background texture ---------- */

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
  opacity: 0.5;
  pointer-events: none;
}

.bg-glow {
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 700px;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

/* ---------- topbar ---------- */

.topbar {
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--border-soft);
}

.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.brand-dim { color: var(--text-faint); }

.topbar-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 10px;
}

.meta-sep { color: var(--text-faint); }

.linkedin-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 7px;
  border: 1px solid var(--accent-line);
  background: var(--accent-soft);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}

.linkedin-btn:hover {
  background: var(--accent-line);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 5px;
  position: relative;
  top: -1px;
}

.dot-live {
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2.4s ease-in-out infinite;
}

.dot-dev {
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

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

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

main { position: relative; z-index: 1; }

.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 96px 24px 64px;
}

.hero-inner { max-width: 720px; }

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  text-transform: lowercase;
  margin: 0 0 20px;
  letter-spacing: 0.02em;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 6vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 24px;
  color: var(--text);
}

.hero-title-accent { color: var(--accent); }

.hero-sub {
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-dim);
  margin: 0 0 44px;
  max-width: 62ch;
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
}

.stat-label {
  font-size: 13px;
  color: var(--text-faint);
}

/* ---------- zones ---------- */

.zone {
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 24px;
  border-top: 1px solid var(--border-soft);
}

.zone-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.zone-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.zone-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 9px;
  border-radius: 4px;
  border: 1px solid;
}

.zone-tag-public { color: var(--green); border-color: #34D39944; background: #34D39912; }
.zone-tag-private { color: var(--text-dim); border-color: var(--border); background: var(--surface); }

.zone-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

.zone-desc {
  font-size: 14px;
  color: var(--text-faint);
  margin: 0;
  max-width: 40ch;
  text-align: right;
}

@media (max-width: 640px) {
  .zone-desc { text-align: left; }
}

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

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.proj-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.proj-card:hover {
  border-color: var(--accent-line);
  background: var(--surface-2);
  transform: translateY(-2px);
}

.proj-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.proj-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.proj-status-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.proj-status {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green);
  display: flex;
  align-items: center;
}

.proj-status-dev {
  color: var(--amber);
}

.proj-path {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-faint);
}

.proj-name {
  font-size: 19px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

.proj-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dim);
  margin: 0;
}

.proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 5px;
}

.proj-cta {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-top: 6px;
}

/* ---------- infra grid (private zone) ---------- */

.infra-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

@media (max-width: 900px) {
  .infra-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 420px) {
  .infra-grid { grid-template-columns: 1fr; }
}

.infra-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.infra-card:hover {
  border-color: var(--accent-line);
  background: var(--surface-2);
}

.infra-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.infra-icon {
  font-size: 12px;
  color: var(--text-faint);
}

.infra-status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  display: flex;
  align-items: center;
}

.infra-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.infra-role {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-faint);
}

/* ---------- footer ---------- */

.site-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 64px;
  border-top: 1px solid var(--border-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-faint);
  position: relative;
  z-index: 1;
}

.footer-link {
  font-family: var(--font-mono);
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
}

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

.footer-links {
  display: flex;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
}

.footer-link-accent {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  border-bottom-color: var(--accent-line);
  font-weight: 600;
}

.footer-link-accent:hover { color: var(--text); border-color: var(--accent); }

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

@media (max-width: 640px) {
  .hero { padding: 64px 20px 48px; }
  .zone { padding: 40px 20px; }
  .hero-stats { gap: 28px; }
  .linkedin-btn span { display: none; }
}

/* ---------- scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  will-change: opacity, transform;
}

.reveal-in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}