/* RMT Algo Lab - landing styles (no external deps) */
:root {
  --bg: #0b1220;
  --bg-2: #111a2e;
  --card: #16233d;
  --card-2: #1c2d4d;
  --text: #e8eefc;
  --muted: #9db0d0;
  --line: rgba(160, 190, 255, 0.14);
  --accent: #4da3ff;
  --accent-2: #7c5cff;
  --ok: #2fbf71;
  --warn: #e0a13a;
  --danger: #e05d5d;
  --radius: 14px;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(77, 163, 255, 0.18), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(124, 92, 255, 0.16), transparent 55%),
    var(--bg);
  min-height: 100vh;
  max-width: 100vw;
}
img, video { max-width: 100%; display: block; }
html { -webkit-text-size-adjust: 100%; }
* { min-width: 0; }
h1, h2, h3 { overflow-wrap: anywhere; word-break: break-word; max-width: 100%; }
p, li, span, a, strong, em, summary, td, th, div { overflow-wrap: break-word; word-break: break-word; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(11, 18, 32, 0.82);
  border-bottom: 1px solid var(--line);
}
.header-row { display: flex; align-items: center; gap: 1rem; padding: 0.75rem 0; }
.logo { font-weight: 800; letter-spacing: 0.02em; color: var(--text); font-size: 1.05rem; }
.logo:hover { text-decoration: none; color: var(--accent); }
.nav { display: flex; gap: 0.9rem; flex: 1; flex-wrap: wrap; }
.nav a { color: var(--muted); font-size: 0.92rem; }
.nav a:hover { color: var(--text); text-decoration: none; }
.header-actions { display: flex; gap: 0.5rem; align-items: center; }
.lang-btn {
  background: var(--card); color: var(--text); border: 1px solid var(--line);
  border-radius: 999px; padding: 0.35rem 0.8rem; cursor: pointer; font-weight: 600;
}
.lang-btn:hover { border-color: var(--accent); }
.nav-toggle {
  display: none; background: transparent; color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: 0.35rem 0.6rem; cursor: pointer; font-size: 1.1rem;
}

/* Hero */
.hero { padding: 3.2rem 0 2rem; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 2rem; align-items: center; }
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.75rem;
  color: var(--accent); margin: 0 0 0.6rem;
}
.hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.15; margin: 0 0 0.8rem; }
.lead { color: var(--muted); font-size: 1.05rem; margin: 0 0 1.2rem; }
.hero-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1rem; max-width: 100%; }
.btn { max-width: 100%; }
.fineprint { color: var(--muted); font-size: 0.82rem; margin: 0.6rem 0 0; }
.hero-panel { display: flex; justify-content: flex-end; }
.panel-card {
  background: linear-gradient(160deg, var(--card-2), var(--card));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.2rem; width: min(100%, 340px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}
.panel-row { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.9rem; color: var(--muted); }
.panel-row strong { color: var(--text); }
.panel-bar { height: 6px; background: rgba(255,255,255,0.08); border-radius: 999px; margin: 0.35rem 0 0.9rem; overflow: hidden; }
.panel-bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.panel-status {
  margin-top: 0.3rem; padding: 0.55rem 0.7rem; border-radius: 10px;
  background: rgba(47, 191, 113, 0.15); color: #8fe3b4; font-weight: 600; text-align: center; font-size: 0.9rem;
}
.panel-note { font-size: 0.72rem; color: var(--muted); margin: 0.7rem 0 0; line-height: 1.4; }

/* Sections */
.section { padding: 2.6rem 0; }
.section h2 { margin: 0 0 0.5rem; font-size: 1.55rem; }
.section-lead { color: var(--muted); margin: 0 0 1.4rem; max-width: 62ch; }
.section-highlight {
  background: linear-gradient(180deg, rgba(77,163,255,0.08), transparent);
  border-block: 1px solid var(--line);
}
.monitor-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 2rem; align-items: start; }
.check-list { margin: 0 0 1rem; padding-left: 1.1rem; color: var(--muted); }
.check-list li { margin: 0.35rem 0; }
.status-line {
  background: rgba(224, 161, 58, 0.12); border: 1px solid rgba(224,161,58,0.35);
  border-radius: 10px; padding: 0.75rem 0.9rem; color: #f0d7a8; font-size: 0.92rem;
}
.problem { color: var(--muted); font-size: 0.9rem; margin: 0.5rem 0 0; }
.limits { color: var(--muted); font-size: 0.82rem; margin: 0.5rem 0 0; }
.monitor-video video {
  width: 100%; border-radius: var(--radius); border: 1px solid var(--line); background: #000;
}
.lang-row { display: flex; gap: 0.5rem; margin-top: 0.6rem; flex-wrap: wrap; }
.lang-video {
  background: var(--card); color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: 0.4rem 0.75rem; cursor: pointer; font-size: 0.85rem;
}
.lang-video.active, .lang-video:hover { border-color: var(--accent); }

/* Cards */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.product-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.15rem; display: flex; flex-direction: column; gap: 0.35rem;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.product-card:hover { transform: translateY(-2px); border-color: rgba(77,163,255,0.45); }
.card-top { display: flex; flex-direction: column; gap: 0.45rem; }
.product-card h3 { margin: 0; font-size: 1.05rem; }
.product-card p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.card-soon { opacity: 0.96; background: linear-gradient(180deg, var(--card), #132038); }
.card-actions { display: flex; gap: 0.5rem; margin-top: auto; padding-top: 0.85rem; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.55rem 0.95rem; border-radius: 10px; font-weight: 600; font-size: 0.9rem;
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-disabled {
  background: rgba(255,255,255,0.05); color: var(--muted); border-color: var(--line);
  cursor: not-allowed; opacity: 0.85;
}
.badge {
  display: inline-block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.03em;
  padding: 0.25rem 0.55rem; border-radius: 999px; width: fit-content;
}
.badge-paid { background: rgba(47,191,113,0.15); color: #8fe3b4; }
.badge-soon { background: rgba(224,161,58,0.15); color: #f0d7a8; }

/* Steps + FAQ */
.steps { margin: 0; padding-left: 1.2rem; color: var(--muted); }
.steps li { margin: 0.8rem 0; }
.steps h3 { color: var(--text); font-size: 1rem; margin: 0 0 0.25rem; }
.faq-list details {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 0.75rem 1rem; margin: 0.55rem 0;
}
.faq-list summary { cursor: pointer; font-weight: 600; color: var(--text); }
.faq-list p { color: var(--muted); margin: 0.55rem 0 0.1rem; font-size: 0.93rem; }

/* CTA + footer */
.section-cta { padding-bottom: 3rem; }
.cta-box {
  background: linear-gradient(135deg, rgba(77,163,255,0.14), rgba(124,92,255,0.14));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; text-align: center;
}
.cta-box h2 { margin-top: 0; }
.cta-box p { color: var(--muted); max-width: 60ch; margin: 0.4rem auto 1rem; }
.site-footer { border-top: 1px solid var(--line); padding: 1.8rem 0 1rem; background: rgba(0,0,0,0.2); }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.footer-grid p { color: var(--muted); font-size: 0.86rem; margin: 0.35rem 0 0; }
.footer-bottom { margin-top: 1.2rem; color: var(--muted); font-size: 0.78rem; }

/* Product detail page */
.product-hero {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.8rem; align-items: start;
  padding: 2rem 0 1rem;
}
.product-hero h1 { margin: 0.4rem 0 0.6rem; font-size: 1.8rem; }
.product-meta { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.8rem; }
.detail-video { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); background: #000; }
.detail-section { padding: 1.2rem 0; }
.detail-section h2 { font-size: 1.2rem; margin: 0 0 0.5rem; }
.detail-section p, .detail-section li { color: var(--muted); }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.spec-table th, .spec-table td {
  text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--line); color: var(--muted);
}
.spec-table th { color: var(--text); width: 38%; }
.back-link { display: inline-block; margin: 1rem 0 0; color: var(--muted); }
.back-link:hover { color: var(--text); }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid, .monitor-grid, .product-hero, .detail-grid { grid-template-columns: 1fr; }
  .hero-copy, .hero-panel, .monitor-grid > div, .product-hero > div { min-width: 0; max-width: 100%; }
  .wrap { width: min(100% - 1.25rem, var(--max)); }
  .hero h1 { max-width: 100%; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-panel { justify-content: flex-start; }
}
@media (max-width: 700px) {
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-2);
    flex-direction: column; padding: 0.8rem 1rem 1rem; border-bottom: 1px solid var(--line); gap: 0.7rem; }
  .nav.open { display: flex; }
  .nav-toggle { display: inline-flex; }
  .product-grid { grid-template-columns: 1fr; }
  .header-row { position: relative; }
}