:root {
  --bg: #050a12;
  --bg-elevated: #0a1220;
  --bg-card: rgba(12, 22, 38, 0.72);
  --bg-card-hover: rgba(16, 30, 52, 0.9);
  --border: rgba(94, 234, 212, 0.12);
  --border-strong: rgba(34, 211, 238, 0.28);
  --text: #e8eef7;
  --text-muted: #8b9bb3;
  --text-dim: #5f7190;
  --cyan: #22d3ee;
  --cyan-dim: #0891b2;
  --teal: #2dd4bf;
  --amber: #fbbf24;
  --green: #34d399;
  --gradient: linear-gradient(135deg, #22d3ee 0%, #2dd4bf 45%, #60a5fa 100%);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --radius: 16px;
  --font: "Outfit", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --header-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

img {
  max-width: 100%;
}

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent);
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: fixed;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 90vw;
  height: 50vh;
  background: radial-gradient(ellipse, rgba(34, 211, 238, 0.12), transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(5, 10, 18, 0.8);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  color: var(--cyan);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.05rem;
}

.brand-text small {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 400;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
}

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

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: transparent;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.5rem 0.95rem;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 0.95rem 1.5rem;
  font-size: 1rem;
}

.btn-primary {
  background: var(--gradient);
  color: #041018;
  box-shadow: 0 8px 32px rgba(34, 211, 238, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 12px 40px rgba(34, 211, 238, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background: rgba(34, 211, 238, 0.08);
}

/* Hero */
.hero {
  padding: 4.5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 1rem;
}

.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  70% { box-shadow: 0 0 0 10px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 0 0 1.25rem;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 36rem;
  margin: 0 0 1.75rem;
}

.lede-sm {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 0 1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--border);
}

.hero-stats dt {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.hero-stats dd {
  margin: 0.15rem 0 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.terminal {
  background: linear-gradient(180deg, #0c1626, #080f1a);
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.terminal-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #334155;
}

.terminal-bar span:nth-child(1) { background: #f87171; }
.terminal-bar span:nth-child(2) { background: #fbbf24; }
.terminal-bar span:nth-child(3) { background: #34d399; }

.terminal-bar em {
  margin-left: 0.5rem;
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
}

.terminal-body {
  margin: 0;
  padding: 1.25rem 1.35rem 1.5rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.7;
  overflow-x: auto;
}

.t-muted { color: var(--text-dim); }
.t-key { color: var(--cyan); }
.t-str { color: #86efac; }
.t-num { color: var(--amber); }
.t-ok { color: var(--green); font-weight: 600; }
.t-arr { color: var(--text-muted); }

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(10, 18, 32, 0.6), rgba(5, 10, 18, 0));
  border-block: 1px solid var(--border);
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2rem;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}

.section-head p:last-child {
  color: var(--text-muted);
  margin: 0;
}

/* Filters */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.filter {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  transition: 0.15s ease;
}

.filter:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.filter.active {
  color: #041018;
  background: var(--gradient);
  border-color: transparent;
  font-weight: 600;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  backdrop-filter: blur(8px);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.card:hover {
  border-color: var(--border-strong);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.card[data-featured="true"] {
  border-color: rgba(34, 211, 238, 0.35);
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.08), 0 20px 50px rgba(0, 0, 0, 0.25);
}

.card.hidden {
  display: none;
}

.card-top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
}

.tag-live {
  color: #041018;
  background: var(--green);
  border-color: transparent;
  font-weight: 600;
}

.card h3 {
  margin: 0.15rem 0 0;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.card-sub {
  margin: 0;
  color: var(--cyan);
  font-size: 0.85rem;
  font-weight: 500;
}

.card > p:not(.card-sub) {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  flex: 1;
}

.card-meta {
  list-style: none;
  margin: 0.25rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.card-meta li {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.25rem 0.5rem;
}

.card-links {
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.card-links a {
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
}

.card-links a:hover {
  text-decoration: underline;
}

/* Capabilities */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
}

.cap {
  padding: 1.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(8, 14, 24, 0.5);
}

.cap-icon {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}

.cap h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.cap p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* Stack */
.stack-row {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.75rem;
}

.stack-item {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem 0.9rem;
  text-align: center;
  background: var(--bg-card);
}

.stack-item strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}

.stack-item span {
  color: var(--text-dim);
  font-size: 0.78rem;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

.about-grid p {
  color: var(--text-muted);
}

.about-card {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 1.4rem;
  background: linear-gradient(160deg, rgba(34, 211, 238, 0.08), rgba(8, 14, 24, 0.8));
}

.about-card h3 {
  margin: 0 0 1rem;
  font-size: 1rem;
}

.about-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.about-card li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.about-card a {
  font-weight: 600;
  text-decoration: none;
}

.about-card a:hover {
  text-decoration: underline;
}

.about-card span {
  color: var(--text-dim);
  font-size: 0.82rem;
}

/* Contact */
.contact-panel {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: center;
  padding: 2rem;
  border-radius: 24px;
  border: 1px solid var(--border-strong);
  background:
    radial-gradient(ellipse at 0% 0%, rgba(34, 211, 238, 0.15), transparent 50%),
    linear-gradient(180deg, #0c1626, #080f1a);
  box-shadow: var(--shadow);
}

.contact-panel h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}

.contact-panel p {
  margin: 0;
  color: var(--text-muted);
  max-width: 32rem;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.75rem 0 2.25rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.footer-note {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .cards,
  .cap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stack-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1rem 1rem;
    background: rgba(5, 10, 18, 0.96);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(16px);
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 0.85rem 0.25rem;
    border-bottom: 1px solid var(--border);
  }

  .nav .btn {
    margin-top: 0.75rem;
    width: 100%;
  }

  .nav-toggle {
    display: flex;
  }

  .cards,
  .cap-grid,
  .stack-row,
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .terminal {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .pulse { animation: none; }
  .btn, .card { transition: none; }
}