:root {
  color-scheme: dark;
  --bg: #0b0d10;
  --bg-2: #11151b;
  --bg-3: #181d25;
  --border: #232a35;
  --text: #e7e9ee;
  --text-dim: #98a1b0;
  --accent: #5b8cff;
  --accent-2: #6dd5b3;
  --danger: #ff6b6b;
  --radius: 12px;
  --maxw: 1180px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Navigation ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(11, 13, 16, 0.75);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.85rem 1.5rem; max-width: var(--maxw); margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; letter-spacing: -0.01em; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand svg { width: 28px; height: 28px; }
.brand-text { font-size: 1.05rem; }
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { color: var(--text-dim); font-size: 0.95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta {
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
}
.nav-cta:hover { background: #4070e0; }
.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--border); color: var(--text);
  width: 40px; height: 40px; border-radius: 8px; cursor: pointer;
}

/* ---------- Hero ---------- */
.hero { padding: 5rem 0 4rem; }
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 3rem; align-items: center;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1; margin: 0 0 1rem;
  letter-spacing: -0.02em; font-weight: 800;
}
.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead {
  font-size: 1.15rem; color: var(--text-dim); margin: 0 0 1.75rem; max-width: 540px;
}
.hero-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 0.75rem 1.4rem;
  border-radius: 8px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 0.95rem;
  transition: transform 0.08s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #4070e0; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-3); }

.hero-art {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 70% 30%, rgba(91, 140, 255, 0.4), transparent 50%),
    radial-gradient(circle at 30% 70%, rgba(109, 213, 179, 0.35), transparent 50%),
    linear-gradient(135deg, #1a2233, #0d1018);
  border: 1px solid var(--border);
  position: relative; overflow: hidden;
}
.hero-art::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask: radial-gradient(circle at center, black 30%, transparent 70%);
}
.hero-art-label {
  position: absolute; bottom: 1rem; left: 1rem;
  font-size: 0.75rem; color: var(--text-dim); font-family: ui-monospace, monospace;
  letter-spacing: 0.05em; text-transform: uppercase;
}

/* ---------- Sections ---------- */
.section { padding: 5rem 0; border-top: 1px solid var(--border); }
.section-label {
  font-size: 0.8rem; color: var(--accent);
  text-transform: uppercase; letter-spacing: 0.12em; font-weight: 600;
  margin-bottom: 0.75rem;
}
.section h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  margin: 0 0 0.75rem; letter-spacing: -0.02em; font-weight: 700;
}
.section .lede { color: var(--text-dim); font-size: 1.05rem; max-width: 620px; margin: 0 0 3rem; }

/* ---------- Services ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.service-card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.service-card:hover { transform: translateY(-2px); border-color: #2c3848; }
.service-icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 10px; margin-bottom: 1rem;
  background: linear-gradient(135deg, rgba(91, 140, 255, 0.18), rgba(109, 213, 179, 0.18));
  color: var(--accent-2);
}
.service-card h3 { margin: 0 0 0.5rem; font-size: 1.15rem; }
.service-card p { margin: 0; color: var(--text-dim); font-size: 0.95rem; }

/* ---------- Software / Tabs ---------- */
.tabs { display: flex; gap: 0.5rem; border-bottom: 1px solid var(--border); margin-bottom: 2rem; flex-wrap: wrap; }
.tab {
  background: transparent; border: none; color: var(--text-dim);
  padding: 0.85rem 1.2rem; cursor: pointer; font-size: 0.95rem; font-weight: 500;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  font-family: inherit;
}
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }
.tab:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.tab-panel { display: none; }
.tab-panel.active { display: grid; grid-template-columns: 1.1fr 1fr; gap: 2.5rem; align-items: center; }
.tab-panel h3 { margin: 0 0 0.5rem; font-size: 1.6rem; letter-spacing: -0.01em; }
.tab-panel .product-tag {
  display: inline-block; font-size: 0.75rem; padding: 0.2rem 0.6rem;
  background: rgba(109, 213, 179, 0.12); color: var(--accent-2);
  border-radius: 999px; margin-bottom: 0.75rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase;
}
.tab-panel p { color: var(--text-dim); margin: 0 0 1.25rem; }
.feature-list { list-style: none; padding: 0; margin: 0 0 1.5rem; display: grid; gap: 0.5rem; }
.feature-list li { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.95rem; }
.feature-list li::before {
  content: "→"; color: var(--accent-2); font-weight: 700; flex-shrink: 0;
}
.product-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.product-screenshot {
  aspect-ratio: 4 / 3; border-radius: var(--radius); border: 1px solid var(--border);
  background:
    radial-gradient(circle at 30% 20%, rgba(91, 140, 255, 0.3), transparent 50%),
    linear-gradient(160deg, #15191f, #0c1015);
  display: grid; place-items: center;
  color: var(--text-dim); font-family: ui-monospace, monospace; font-size: 0.8rem;
  letter-spacing: 0.06em; text-transform: uppercase;
}

/* ---------- About / Stats ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.stat {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
}
.stat-num {
  font-size: 2.2rem; font-weight: 800; letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat-label { color: var(--text-dim); font-size: 0.9rem; margin-top: 0.25rem; }

/* ---------- Team ---------- */
.team-row { display: flex; gap: 1.25rem; flex-wrap: wrap; justify-content: center; }
.team-row > * { flex: 1 1 280px; max-width: 360px; }
.team-row-solo > * { max-width: 560px; }
.role-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1rem; }
.chip {
  display: inline-block;
  font-size: 0.75rem; font-weight: 500;
  background: var(--bg-3); color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 0.3rem 0.7rem; border-radius: 999px;
}

.team-card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem;
  display: flex; flex-direction: column; align-items: flex-start; gap: 0.5rem;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.team-card:hover { transform: translateY(-2px); border-color: #2c3848; }

.team-card-featured {
  background: linear-gradient(180deg, var(--bg-2), var(--bg-3));
  border-color: rgba(91, 140, 255, 0.35);
  box-shadow: 0 8px 30px rgba(91, 140, 255, 0.08);
}

.avatar {
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 700; font-size: 1.05rem; letter-spacing: 0.02em;
  color: #fff; margin-bottom: 0.25rem;
  border: 2px solid rgba(255, 255, 255, 0.06);
}
.team-card-featured .avatar { width: 72px; height: 72px; font-size: 1.3rem; }
.avatar-1 { background: linear-gradient(135deg, #5b8cff, #6dd5b3); }
.avatar-2 { background: linear-gradient(135deg, #a06bff, #5b8cff); }
.avatar-3 { background: linear-gradient(135deg, #ff7a59, #ffaa6b); }
.avatar-4 { background: linear-gradient(135deg, #6dd5b3, #4cd2ff); }
.avatar-5 { background: linear-gradient(135deg, #ff6b9d, #c06bff); }
.avatar-6 { background: linear-gradient(135deg, #ffd166, #ff8c42); }
.avatar-7 { background: linear-gradient(135deg, #4cd2ff, #5b8cff); }

.team-card h3 {
  margin: 0; font-size: 1.15rem; letter-spacing: -0.01em; font-weight: 700;
}
.team-card-featured h3 { font-size: 1.3rem; }
.team-card .role {
  font-size: 0.85rem; color: var(--accent-2); font-weight: 600;
  letter-spacing: 0.02em;
}
.team-card p {
  color: var(--text-dim); font-size: 0.92rem;
  margin: 0.5rem 0 0; line-height: 1.55;
}

@media (max-width: 720px) {
  .team-row > * { flex: 1 1 100%; max-width: 100%; }
}

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.contact-info { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-item { display: flex; gap: 0.85rem; align-items: flex-start; }
.contact-item .ic {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--bg-3); display: grid; place-items: center;
  color: var(--accent); flex-shrink: 0;
}
.contact-item strong { display: block; font-size: 0.85rem; color: var(--text-dim); font-weight: 500; }
.contact-item span, .contact-item a { color: var(--text); font-size: 1rem; }

.form { display: grid; gap: 1rem; }
.form label { display: block; font-size: 0.85rem; color: var(--text-dim); margin-bottom: 0.4rem; }
.form input, .form textarea {
  width: 100%; background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.75rem 0.9rem; color: var(--text);
  font-family: inherit; font-size: 0.95rem;
}
.form input:focus, .form textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
.form textarea { resize: vertical; min-height: 120px; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border); padding: 2.5rem 0;
  color: var(--text-dim); font-size: 0.9rem;
}
.footer-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.footer-links { display: flex; gap: 1.25rem; }
.footer a { color: var(--text-dim); }
.footer a:hover { color: var(--text); text-decoration: none; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero { padding: 3rem 0 2rem; }
  .hero-grid, .tab-panel.active, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .services-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .nav-links.open {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg-2); border-bottom: 1px solid var(--border);
    padding: 0.5rem 1.5rem 1rem;
  }
  .nav-links.open a { padding: 0.65rem 0; border-bottom: 1px solid var(--border); }
  .nav-links.open a:last-child { border-bottom: none; }
  .nav-links.open .nav-cta { padding: 0.65rem 1rem; text-align: center; margin-top: 0.5rem; }
  .section { padding: 3rem 0; }
}