:root {
  --bg: #0b0b0f;
  --panel: #121218;
  --panel-2: #151723;
  --text: #e7e9ee;
  --muted: #a6adbd;
  --line: #232637;
  --primary: #e53935;
  --primary-600: #d12f2c;
  --primary-700: #b82826;
  --accent: #6d8cff;
  --success: #33c481;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.6;
}

h1, h2, h3 {
  margin: 0 0 12px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-family: Montserrat, Inter, sans-serif;
  font-size: clamp(32px, 6vw, 54px);
  font-weight: 800;
}

h2 {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
}

h3 {
  font-size: 20px;
  font-weight: 600;
}

p { margin: 0 0 12px; color: var(--text); opacity: .95; }
ul { margin: 0; padding-left: 20px; }

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.btn {
  display: inline-block;
  border-radius: 10px;
  padding: 12px 18px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform .08s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: linear-gradient(180deg, var(--primary), var(--primary-700));
  color: #fff;
  box-shadow: var(--shadow);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn.full { width: 100%; text-align: center; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11,11,15,.7);
  backdrop-filter: saturate(120%) blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  font-family: Montserrat, Inter, sans-serif;
  font-weight: 800;
  letter-spacing: .6px;
  font-size: 20px;
}
.logo span { color: var(--primary); }

.nav-list {
  list-style: none;
  display: flex;
  gap: 12px;
  margin: 0; padding: 0;
}
.nav-list a { color: var(--text); text-decoration: none; font-weight: 500; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; }
.nav-toggle-bar { display: block; width: 24px; height: 2px; background: var(--text); margin: 5px 0; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-list {
    position: absolute; right: 16px; top: 64px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 8px;
    display: none; flex-direction: column; gap: 6px;
    width: 220px; box-shadow: var(--shadow);
  }
  .nav-list.open { display: flex; }
}

.hero {
  position: relative;
  padding: 72px 0 64px;
  background: radial-gradient(1200px 600px at 70% -10%, rgba(229,57,53,.18), transparent),
              radial-gradient(900px 500px at 0% 20%, rgba(109,140,255,.12), transparent);
}
.hero-inner {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 32px; align-items: center;
}
.hero-copy p { color: var(--muted); font-size: 18px; }
.hero-cta { display: flex; gap: 12px; margin-top: 18px; }
.hero-art { position: relative; height: 360px; }
.hero-art .glow {
  position: absolute; inset: 0;
  background: radial-gradient(closest-side, rgba(229,57,53,.45), rgba(229,57,53,0) 70%);
  filter: blur(22px);
}
.hero-art img {
 width: 300px;
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { order: -1; height: 220px; }
}

.section { padding: 64px 0; border-top: 1px solid rgba(255,255,255,.04); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.ticks { list-style: none; padding: 0; }
.ticks li { position: relative; padding-left: 26px; margin: 8px 0; color: var(--muted); }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 14px; height: 14px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #fff, var(--success) 60%);
  box-shadow: 0 0 0 2px rgba(51,196,129,.15);
}

.kpis { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.kpi { background: #0f121a; border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: grid; gap: 4px; }
.kpi .num { font-weight: 800; letter-spacing: .3px; }
.kpi .lbl { color: var(--muted); font-size: 13px; }

.products .cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 1100px) { .products .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .products .cards { grid-template-columns: 1fr; } }
.product ul { color: var(--muted); }

.tech .badges { display: flex; flex-wrap: wrap; gap: 8px; }
.badge { background: #1a1f30; border: 1px solid var(--line); color: #cfd6ea; padding: 6px 10px; border-radius: 999px; font-size: 13px; }

.quote .big { font-size: 20px; font-weight: 700; }
.quote .sig { color: var(--muted); margin-top: 10px; }

.highlights { background: radial-gradient(600px 200px at 30% 0%, rgba(109,140,255,.1), transparent),
                          radial-gradient(700px 240px at 90% 0%, rgba(229,57,53,.12), transparent); }
.highlights-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 1100px) { .highlights-inner { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .highlights-inner { grid-template-columns: 1fr; } }
.highlight { background: linear-gradient(180deg, #10131c, #0f1118); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.highlight .icon { font-size: 22px; margin-bottom: 8px; }

.faq .acc-item { background: linear-gradient(180deg, #10131c, #0f1118); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq .acc-panel { color: var(--muted); margin-top: 8px; }

.form .form-row { display: grid; gap: 6px; margin-bottom: 12px; }
.form label { font-size: 14px; color: #cfd6ea; }
.form input, .form textarea {
  background: #0f121a; border: 1px solid var(--line); color: var(--text);
  border-radius: 10px; padding: 10px 12px; font: inherit; outline: none;
}
.form input:focus, .form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(109,140,255,.18); }
.form-note { color: var(--muted); font-size: 13px; margin-top: 8px; }
.form-success { color: #a8f0c6; font-weight: 600; margin-top: 8px; }

.site-footer { border-top: 1px solid rgba(255,255,255,.06); padding: 26px 0; background: #0a0a0e; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.legal { color: var(--muted); font-size: 13px; }

/* Accessibility helpers */
:where(a, button, input, textarea):focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 8px; }