:root {
  --bg: #05070d;
  --bg-2: #0a0f1a;
  --panel: rgba(16, 22, 36, 0.62);
  --line: rgba(120, 200, 255, 0.14);
  --text: #dbe7f5;
  --muted: #7d8ea8;
  --cyan: #22d3ee;
  --blue: #3b82f6;
  --violet: #a855f7;
  --pink: #ec4899;
  --green: #34d399;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --sans: "Space Grotesk", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(700px 500px at 80% -10%, rgba(59, 130, 246, 0.18), transparent 60%),
    radial-gradient(600px 500px at 0% 20%, rgba(168, 85, 247, 0.14), transparent 60%),
    radial-gradient(900px 700px at 50% 120%, rgba(34, 211, 238, 0.10), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.55;
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.02) 0px,
    rgba(255, 255, 255, 0.02) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}

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

.glass {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 6vw;
  transition: background 0.3s, border-color 0.3s, padding 0.3s;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(5, 7, 13, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-family: var(--mono);
  font-weight: 800;
  letter-spacing: 0.5px;
}

.brand-mark {
  color: var(--cyan);
  text-shadow: 0 0 14px rgba(34, 211, 238, 0.7);
}

.brand-text { font-size: 1.05rem; }

.nav-links { display: flex; gap: 28px; }

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-family: var(--mono);
  position: relative;
  transition: color 0.2s;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  transition: width 0.25s;
}

.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--green);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: 999px;
  padding: 4px 12px;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}

main { position: relative; z-index: 2; }

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 6vw 80px;
}

.hero-inner { max-width: 820px; }

.hero-kicker {
  font-family: var(--mono);
  color: var(--cyan);
  letter-spacing: 3px;
  font-size: 0.85rem;
  margin-bottom: 18px;
}

.hero-title {
  font-size: clamp(2.2rem, 6vw, 4.2rem);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 22px;
}

.grad {
  background: linear-gradient(100deg, var(--cyan), var(--blue) 40%, var(--violet) 75%, var(--pink));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 22px rgba(59, 130, 246, 0.35));
}

.typed { color: var(--cyan); }
.caret { color: var(--cyan); animation: blink 1s step-end infinite; }

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

.hero-sub {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 560px;
  margin-bottom: 34px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.9rem;
  padding: 12px 24px;
  border-radius: 10px;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}

.btn-primary {
  color: #041018;
  font-weight: 600;
  background: linear-gradient(100deg, var(--cyan), var(--blue));
  box-shadow: 0 8px 30px -8px rgba(34, 211, 238, 0.6);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px -8px rgba(34, 211, 238, 0.75);
}

.btn-ghost {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  gap: 42px;
  margin-top: 54px;
  flex-wrap: wrap;
}

.hero-stats div { display: flex; flex-direction: column; }

.hero-stats strong {
  font-family: var(--mono);
  font-size: 1.7rem;
  color: var(--text);
  background: linear-gradient(100deg, var(--cyan), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-stats span {
  font-size: 0.82rem;
  color: var(--muted);
  font-family: var(--mono);
}

.section { padding: 90px 6vw; }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}

.section-index {
  font-family: var(--mono);
  color: var(--cyan);
  font-size: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 8px;
}

.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.5px;
}

.section-head p {
  color: var(--muted);
  font-size: 0.95rem;
  width: 100%;
  font-family: var(--mono);
}

.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.filter {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 16px;
  cursor: pointer;
  transition: all 0.2s;
}

.filter:hover { color: var(--text); border-color: rgba(34, 211, 238, 0.5); }

.filter.active {
  color: #041018;
  background: linear-gradient(100deg, var(--cyan), var(--blue));
  border-color: transparent;
  font-weight: 600;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
}

.card {
  position: relative;
  padding: 26px;
  border-radius: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.28s, border-color 0.28s, box-shadow 0.28s;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(34, 211, 238, 0.12), transparent 55%);
  opacity: 0;
  transition: opacity 0.28s;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(34, 211, 238, 0.45);
  box-shadow: 0 24px 50px -24px rgba(34, 211, 238, 0.55);
}

.card:hover::before { opacity: 1; }

.card-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.35);
  border-radius: 5px;
  padding: 2px 9px;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  line-height: 1.4;
  position: relative;
}

.card p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 18px;
  position: relative;
}

.card-foot {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  position: relative;
}

.card-foot .read { color: var(--cyan); }

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.about-card { padding: 30px; }

.about-card p { color: var(--muted); margin-bottom: 16px; }

.facts { list-style: none; margin-top: 22px; }

.facts li {
  display: flex;
  gap: 12px;
  font-size: 0.9rem;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
}

.facts li span {
  font-family: var(--mono);
  color: var(--cyan);
  min-width: 74px;
  font-size: 0.8rem;
}

.terminal { overflow: hidden; }

.term-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.3);
}

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

.term-title {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}

.term-body {
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.9;
  padding: 22px;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--muted);
}

.c-p { color: var(--green); }
.c-o { color: var(--cyan); }

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 22px;
}

.stack-item { padding: 24px; }

.stack-top {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.9rem;
  margin-bottom: 14px;
}

.stack-top .pct { color: var(--cyan); }

.bar {
  height: 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  transition: width 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 40px;
}

.contact h3 { font-size: 1.4rem; margin-bottom: 12px; }

.contact > div p { color: var(--muted); margin-bottom: 22px; }

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

.socials a {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 16px;
  transition: all 0.2s;
}

.socials a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.contact-form { display: flex; flex-direction: column; gap: 14px; }

.contact-form input,
.contact-form textarea {
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--text);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}

.form-note {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--green);
  min-height: 18px;
}

.footer {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 34px 6vw;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
}

.footer-sep { color: var(--cyan); }

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 5vh 5vw;
}

.modal.open { display: flex; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 5, 10, 0.78);
  backdrop-filter: blur(6px);
}

.modal-panel {
  position: relative;
  max-width: 720px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  padding: 40px;
  animation: rise 0.32s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(24px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  font-size: 1.6rem;
  line-height: 1;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s, transform 0.2s;
}

.modal-close:hover { color: var(--cyan); transform: rotate(90deg); }

.modal-meta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--cyan);
  margin-bottom: 12px;
}

.modal-panel h2 { font-size: 1.7rem; margin-bottom: 22px; line-height: 1.3; }

.modal-content { color: var(--muted); }

.modal-content p { margin-bottom: 16px; }

.modal-content h3 { color: var(--text); margin: 24px 0 10px; font-size: 1.1rem; }

.modal-content pre {
  font-family: var(--mono);
  font-size: 0.82rem;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
  color: var(--cyan);
  margin: 16px 0;
}

.modal-content code {
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.08);
  padding: 2px 6px;
  border-radius: 5px;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .about, .contact { grid-template-columns: 1fr; }
  .contact { padding: 28px; }
  .nav-links { display: none; }
  .hero-stats { gap: 28px; }
}

@media (max-width: 520px) {
  .nav-status { display: none; }
  .section { padding: 64px 6vw; }
  .modal-panel { padding: 28px 22px; }
}