:root {
  --bg: #07090f;
  --bg-soft: #0c1018;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-brd: rgba(255, 255, 255, 0.09);
  --text: #e8ecf4;
  --muted: #93a0b4;
  --accent: #34e0c4;
  --accent-2: #6d8bff;
  --accent-3: #b07bff;
  --radius: 18px;
  --maxw: 1180px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: "Inter", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, .brand-text { font-family: "Sora", sans-serif; letter-spacing: -0.02em; }

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

/* ===== Background decoration ===== */
.bg-grid {
  position: fixed; inset: 0; z-index: -2;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
}
.bg-glow {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 400px at 15% -5%, rgba(52,224,196,0.16), transparent 60%),
    radial-gradient(700px 500px at 90% 5%, rgba(109,139,255,0.16), transparent 60%),
    radial-gradient(700px 600px at 60% 100%, rgba(176,123,255,0.10), transparent 60%);
}

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.9rem clamp(1rem, 4vw, 2.5rem);
  max-width: var(--maxw); margin: 0 auto;
  backdrop-filter: blur(14px);
}
.site-header::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--panel-brd), transparent);
  opacity: 0; transition: opacity .3s;
}
.site-header.scrolled { background: rgba(7,9,15,0.7); }
.site-header.scrolled::after { opacity: 1; }

.brand { display: flex; align-items: center; gap: 0.55rem; font-weight: 700; }
.brand-mark { color: var(--accent); display: grid; place-items: center; }
.brand-text { font-size: 1.3rem; }
.brand-dot { color: var(--accent); }

.nav { display: flex; align-items: center; gap: 0.4rem; }
.nav a {
  padding: 0.5rem 0.9rem; border-radius: 999px; font-size: 0.93rem;
  color: var(--muted); font-weight: 500; transition: color .2s, background .2s;
}
.nav a:hover { color: var(--text); background: var(--panel); }
.nav .nav-cta {
  color: #06121f; background: var(--accent); font-weight: 600;
}
.nav .nav-cta:hover { background: #5bf0d8; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }

/* ===== Hero ===== */
.hero {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 6rem) clamp(1rem, 4vw, 2.5rem) clamp(2rem, 5vw, 4rem);
  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-size: 0.82rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em;
  border: 1px solid var(--panel-brd); padding: 0.4rem 0.85rem; border-radius: 999px;
  background: var(--panel);
}
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(52,224,196,0.18); }

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.4rem); line-height: 1.04; font-weight: 800;
  margin: 1.3rem 0 1.2rem;
}
.grad {
  background: linear-gradient(100deg, var(--accent), var(--accent-2) 55%, var(--accent-3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { color: var(--muted); font-size: 1.1rem; max-width: 38rem; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin: 1.8rem 0 2.4rem; }
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.4rem; border-radius: 999px; font-weight: 600; font-size: 0.98rem;
  transition: transform .15s, background .2s, border-color .2s, box-shadow .2s;
}
.btn-primary {
  color: #06121f;
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 30px rgba(52,224,196,0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(52,224,196,0.4); }
.btn-ghost { color: var(--text); border: 1px solid var(--panel-brd); background: var(--panel); }
.btn-ghost:hover { border-color: var(--accent); transform: translateY(-2px); }

.hero-stats { display: flex; flex-wrap: wrap; gap: 2rem; }
.hero-stats div { display: flex; flex-direction: column; }
.hero-stats strong { font-family: "Sora", sans-serif; font-size: 1.05rem; }
.hero-stats span { color: var(--muted); font-size: 0.85rem; }

/* Terminal card */
.hero-card { display: flex; justify-content: center; }
.terminal {
  width: 100%; max-width: 420px;
  background: linear-gradient(180deg, rgba(20,26,38,0.9), rgba(10,13,20,0.9));
  border: 1px solid var(--panel-brd); border-radius: var(--radius);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  overflow: hidden; animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.terminal-bar { display: flex; gap: 0.5rem; padding: 0.85rem 1rem; border-bottom: 1px solid var(--panel-brd); }
.terminal-bar span { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.terminal-bar span:nth-child(2) { background: #febc2e; }
.terminal-bar span:nth-child(3) { background: #28c840; }
.terminal pre { padding: 1.3rem; font-family: "JetBrains Mono", monospace; font-size: 0.88rem; line-height: 1.9; color: #c8d2e0; overflow-x: auto; }
.c-key { color: var(--accent-2); } .c-fn { color: var(--accent); } .c-str { color: #ffd479; } .c-num { color: var(--accent-3); } .c-com { color: #5d6b80; }

/* ===== Sections ===== */
.section { max-width: var(--maxw); margin: 0 auto; padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 4vw, 2.5rem); }
.section-head { max-width: 46rem; margin-bottom: 3rem; }
.kicker { font-family: "JetBrains Mono", monospace; color: var(--accent); font-size: 0.82rem; letter-spacing: 0.06em; margin-bottom: 0.7rem; }
.section h2 { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 700; }
.section-sub { color: var(--muted); font-size: 1.06rem; margin-top: 0.8rem; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
.card {
  position: relative; padding: 1.7rem; border-radius: var(--radius);
  background: var(--panel); border: 1px solid var(--panel-brd);
  transition: transform .2s, border-color .2s, background .2s;
  overflow: hidden;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(120deg, var(--accent), transparent 40%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .25s;
}
.card:hover { transform: translateY(-4px); background: rgba(255,255,255,0.06); }
.card:hover::before { opacity: 1; }
.card-ic { font-size: 1.7rem; margin-bottom: 0.9rem; }
.card h3 { font-size: 1.18rem; margin-bottom: 0.5rem; }
.card p { color: var(--muted); font-size: 0.96rem; }
.card-wide { grid-column: 1 / -1; }

/* Capabilities */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
.cap { padding: 1.7rem; border-radius: var(--radius); background: var(--bg-soft); border: 1px solid var(--panel-brd); }
.cap h3 { font-size: 1.12rem; margin-bottom: 1rem; }
.cap ul { list-style: none; display: flex; flex-direction: column; gap: 0.65rem; }
.cap li { position: relative; padding-left: 1.5rem; color: var(--muted); font-size: 0.94rem; }
.cap li::before { content: "▸"; position: absolute; left: 0; color: var(--accent); }

/* Training */
.formats { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-bottom: 2.2rem; }
.formats span {
  padding: 0.55rem 1.05rem; border-radius: 999px; font-size: 0.9rem; color: var(--text);
  background: var(--panel); border: 1px solid var(--panel-brd);
}
.courses { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.1rem; }
.course {
  padding: 1.9rem; border-radius: var(--radius);
  background: var(--bg-soft); border: 1px solid var(--panel-brd);
}
.course-accent {
  background:
    linear-gradient(180deg, rgba(109,139,255,0.10), rgba(176,123,255,0.05)),
    var(--bg-soft);
  border-color: rgba(109,139,255,0.35);
}
.course-tag { font-family: "JetBrains Mono", monospace; font-size: 0.75rem; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; }
.course h3 { font-size: 1.35rem; margin: 0.4rem 0 1.2rem; }
.course ol { list-style: none; counter-reset: step; display: flex; flex-direction: column; gap: 0.8rem; }
.course li { counter-increment: step; position: relative; padding-left: 2.4rem; color: var(--muted); font-size: 0.96rem; }
.course li::before {
  content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 0;
  font-family: "JetBrains Mono", monospace; font-size: 0.8rem; color: var(--accent);
  border: 1px solid var(--panel-brd); border-radius: 7px; width: 1.7rem; height: 1.7rem;
  display: grid; place-items: center;
}

/* Contact */
.contact-card {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 2.5rem;
  padding: clamp(1.8rem, 4vw, 3rem); border-radius: 26px;
  background:
    radial-gradient(600px 300px at 20% 0%, rgba(52,224,196,0.12), transparent 70%),
    var(--bg-soft);
  border: 1px solid var(--panel-brd);
}
.contact-card h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); }
.contact-links { display: flex; flex-direction: column; gap: 0.7rem; margin-top: 1.6rem; }
.contact-link {
  display: flex; flex-direction: column; padding: 1rem 1.2rem; border-radius: 14px;
  background: var(--panel); border: 1px solid var(--panel-brd); transition: .2s;
}
.contact-link:hover { border-color: var(--accent); transform: translateX(4px); }
.cl-label { font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }
.cl-value { font-family: "JetBrains Mono", monospace; font-size: 1rem; margin-top: 0.2rem; }
.contact-aside h3 { font-size: 1.1rem; margin-bottom: 0.8rem; }
.contact-aside address { font-style: normal; color: var(--muted); line-height: 1.9; }
.vat { margin-top: 1rem; font-family: "JetBrains Mono", monospace; font-size: 0.85rem; color: var(--muted); }

/* Footer */
.site-footer {
  max-width: var(--maxw); margin: 0 auto;
  padding: 2rem clamp(1rem, 4vw, 2.5rem) 3rem;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem;
  color: var(--muted); font-size: 0.9rem;
  border-top: 1px solid var(--panel-brd);
}
.to-top { color: var(--muted); transition: color .2s; }
.to-top:hover { color: var(--accent); }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; }
  .hero-card { order: -1; }
  .cap-grid { grid-template-columns: 1fr; }
  .nav { position: fixed; inset: 64px 0 auto 0; flex-direction: column; align-items: stretch;
    background: rgba(7,9,15,0.97); backdrop-filter: blur(16px); padding: 1rem;
    border-bottom: 1px solid var(--panel-brd); transform: translateY(-120%); transition: transform .3s; gap: 0.3rem; }
  .nav.open { transform: none; }
  .nav a { padding: 0.85rem 1rem; }
  .nav-toggle { display: flex; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}
@media (max-width: 680px) {
  .cards, .courses { grid-template-columns: 1fr; }
  .contact-card { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}