:root {
  --bg: #0a0c14;
  --bg-2: #10131f;
  --panel: rgba(255, 255, 255, 0.04);
  --surface: rgba(255, 255, 255, 0.045);
  --surface-2: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.15);
  --text: #f3f5fc;
  --muted: #9aa2bd;
  --faint: #6a7089;
  --accent: #8b9bff;
  --accent-2: #b39cff;
  --accent-soft: rgba(139, 155, 255, 0.16);
  --live: #56d98b;
  --danger: #ff7a88;
  --ring: 0 0 0 3px rgba(139, 155, 255, 0.45);
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 16px;
  --max: 1140px;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }

/* professional inline-SVG icon system (Lucide-style) */
.ico { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.85; stroke-linecap: round; stroke-linejoin: round; }
.ico-sm { width: 15px; height: 15px; }
svg { display: block; }

/* visible keyboard focus everywhere */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible,
select:focus-visible, .side-link:focus-visible, .script-item:focus-visible, [tabindex]:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}
button, .btn, .side-link, .script-item, [role="button"] { cursor: pointer; }

body {
  font-family: "Plus Jakarta Sans", -apple-system, system-ui, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(124, 140, 255, 0.14), transparent 60%),
              radial-gradient(900px 500px at 0% 10%, rgba(167, 139, 250, 0.1), transparent 55%),
              var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
.eyebrow {
  display: inline-block;
  font-size: 13px; font-weight: 600; letter-spacing: 0.04em;
  color: var(--accent); text-transform: uppercase;
  background: var(--accent-soft); padding: 5px 12px; border-radius: 999px;
  margin-bottom: 18px;
}
.grad {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-weight: 600; font-size: 15px; cursor: pointer;
  padding: 11px 18px; border-radius: 12px; border: 1px solid transparent;
  transition: background-color .2s, border-color .2s, transform .2s, color .2s;
}
.btn-lg { padding: 14px 24px; font-size: 16px; }
.btn-primary { background: var(--accent); color: #0b0d16; }
.btn-primary:hover { background: #93a0ff; }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--panel); }
.btn-ghost:hover { border-color: var(--accent); color: #fff; }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max); margin: 0 auto; padding: 18px 24px;
  backdrop-filter: blur(8px);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 18px rgba(124, 140, 255, 0.5);
  position: relative;
}
.brand-mark::after {
  content: ""; position: absolute; inset: 6px 6px auto 6px; height: 3px;
  background: rgba(11, 13, 22, 0.7); border-radius: 2px;
}
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a:not(.btn):hover { color: #fff; }
.nav-links a:not(.btn) { color: var(--muted); font-weight: 500; }

/* hero */
.hero {
  max-width: var(--max); margin: 0 auto; padding: 60px 24px 40px;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center;
}
.hero h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.06; letter-spacing: -0.02em; font-weight: 800; }
.lead { color: var(--muted); font-size: 18px; margin-top: 20px; max-width: 34ch; }
.hero-cta { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.trust { display: flex; align-items: center; gap: 9px; margin-top: 26px; color: var(--muted); font-size: 14px; }
.dot-live { width: 9px; height: 9px; border-radius: 50%; background: var(--live); box-shadow: 0 0 10px var(--live); flex: none; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .45; } }

/* hero visual */
.hero-visual { position: relative; }
.screen {
  position: relative; background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 18px; overflow: hidden; box-shadow: 0 40px 80px -30px rgba(0,0,0,.7);
}
.screen-bar {
  display: flex; align-items: center; gap: 7px; padding: 12px 14px;
  background: rgba(255,255,255,.03); border-bottom: 1px solid var(--border);
}
.screen-bar span { width: 11px; height: 11px; border-radius: 50%; background: #37405c; }
.screen-bar span:first-child { background: #ff5f57; }
.screen-bar span:nth-child(2) { background: #febc2e; }
.screen-bar span:nth-child(3) { background: #28c840; }
.screen-bar em { margin-left: 10px; font-style: normal; color: var(--muted); font-size: 12px; }
.screen-body { padding: 26px; min-height: 240px; }
.share-note { color: #5f6885; font-size: 12px; margin-bottom: 16px; }
.fake-slide { display: flex; flex-direction: column; gap: 14px; }
.fake-line { height: 14px; border-radius: 7px; background: rgba(255,255,255,.07); }
.fake-line.w90 { width: 90%; } .fake-line.w60 { width: 60%; } .fake-line.w40 { width: 40%; }

.overlay-card {
  position: absolute; right: 18px; bottom: 18px; width: 74%;
  background: rgba(16, 18, 26, 0.94); border: 1px solid var(--accent);
  border-radius: 14px; padding: 14px 16px; backdrop-filter: blur(14px);
  box-shadow: 0 24px 50px -20px rgba(124,140,255,.5);
  animation: floatIn .8s ease both;
}
@keyframes floatIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.overlay-head { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--accent); font-weight: 600; margin-bottom: 9px; }
.overlay-q { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.overlay-a { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.overlay-a li { font-size: 14px; padding-left: 16px; position: relative; }
.overlay-a li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* logos strip */
.logos { max-width: var(--max); margin: 30px auto; padding: 0 24px; text-align: center; }
.logos p { color: #5f6885; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
.logo-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 34px; margin-top: 16px; }
.logo-row span { color: var(--muted); font-weight: 600; opacity: .8; }

/* sections */
.section { max-width: var(--max); margin: 0 auto; padding: 70px 24px; }
.section-head { text-align: center; margin-bottom: 46px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -0.02em; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.step { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; transition: border-color .2s, transform .2s; }
.step:hover { border-color: var(--accent); transform: translateY(-3px); }
.step-num { width: 38px; height: 38px; border-radius: 11px; background: var(--accent-soft); color: var(--accent); font-weight: 800; display: grid; place-items: center; margin-bottom: 16px; }
.step h3 { font-size: 19px; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 15px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; transition: border-color .2s, transform .2s; }
.feature:hover { border-color: var(--accent); transform: translateY(-3px); }
.feature h3 { font-size: 18px; margin: 14px 0 7px; }
.feature p { color: var(--muted); font-size: 14.5px; }
.feat-icon { width: 42px; height: 42px; border-radius: 12px; background: var(--accent-soft); display: grid; place-items: center; color: var(--accent); }
.feat-icon svg { width: 22px; height: 22px; }
.dl-os svg { width: 18px; height: 18px; display: block; }

/* services */
.section-sub { color: var(--muted); font-size: 16px; margin-top: 12px; max-width: 60ch; margin-inline: auto; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.service { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; transition: border-color .2s, transform .2s; }
.service:hover { border-color: var(--accent); transform: translateY(-3px); }
.service h3 { font-size: 18px; margin: 14px 0 8px; }
.service p { color: var(--muted); font-size: 14.5px; }
.svc-icon { width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); display: grid; place-items: center; color: var(--accent); }
.svc-icon svg { width: 22px; height: 22px; }

/* stats band */
.stats-band { max-width: var(--max); margin: 12px auto 0; padding: 0 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat-item { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 20px; text-align: center; }
.stat-item .stat-num { font-size: 30px; font-weight: 800; letter-spacing: -0.02em; background: linear-gradient(100deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-item .stat-label { color: var(--muted); font-size: 13px; margin-top: 6px; line-height: 1.4; }

/* platform */
.platform-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.platform-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: border-color .2s, transform .2s; display: flex; flex-direction: column; }
.platform-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.pf-icon { width: 46px; height: 46px; border-radius: 13px; background: var(--accent-soft); display: grid; place-items: center; color: var(--accent); margin-bottom: 16px; }
.pf-icon svg { width: 24px; height: 24px; }
.platform-card h3 { font-size: 20px; }
.pf-tag { align-self: flex-start; font-size: 11.5px; font-weight: 600; color: var(--accent-2); background: rgba(179, 156, 255, 0.14); padding: 3px 10px; border-radius: 999px; margin: 9px 0 13px; }
.platform-card > p { color: var(--muted); font-size: 14.5px; }
.pf-list { list-style: none; margin-top: 16px; display: grid; gap: 9px; }
.pf-list li { position: relative; padding-left: 24px; color: var(--muted); font-size: 14px; }
.pf-list li::before { content: ""; position: absolute; left: 2px; top: 7px; width: 8px; height: 8px; border-radius: 3px; background: var(--accent); opacity: .85; }
.pf-list kbd { font-family: inherit; font-size: 11px; padding: 1px 6px; border-radius: 6px; background: rgba(255, 255, 255, 0.08); border: 1px solid var(--border); color: var(--text); }

/* use cases */
.usecase-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.usecase { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 22px; transition: border-color .2s, transform .2s; }
.usecase:hover { border-color: var(--accent); transform: translateY(-3px); }
.uc-icon { width: 38px; height: 38px; border-radius: 11px; background: var(--accent-soft); display: grid; place-items: center; color: var(--accent); margin-bottom: 12px; }
.uc-icon svg { width: 20px; height: 20px; }
.usecase h3 { font-size: 16px; margin-bottom: 5px; }
.usecase p { color: var(--muted); font-size: 13.5px; line-height: 1.5; }

/* faq */
.faq-list { max-width: 780px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; transition: border-color .2s; }
.faq-item[open] { border-color: var(--accent); }
.faq-item summary { list-style: none; cursor: pointer; padding: 18px 20px; font-weight: 600; font-size: 16px; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-plus { position: relative; width: 16px; height: 16px; flex: none; }
.faq-plus::before, .faq-plus::after { content: ""; position: absolute; background: var(--accent); border-radius: 2px; }
.faq-plus::before { left: 0; top: 7px; width: 16px; height: 2px; }
.faq-plus::after { left: 7px; top: 0; width: 2px; height: 16px; transition: transform .2s, opacity .2s; }
.faq-item[open] .faq-plus::after { transform: rotate(90deg); opacity: 0; }
.faq-item p { padding: 0 20px 18px; color: var(--muted); font-size: 15px; line-height: 1.65; }
.faq-item strong { color: var(--text); }

.privacy { background: linear-gradient(180deg, rgba(124,140,255,.06), transparent); border-radius: 28px; }
.privacy-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.check-list { list-style: none; margin-top: 26px; display: grid; gap: 12px; text-align: left; max-width: 620px; margin-inline: auto; }
.check-list li { position: relative; padding-left: 30px; color: var(--muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 6px; background: var(--accent-soft); color: var(--accent); font-weight: 800; display: grid; place-items: center; font-size: 12px; }
code { background: rgba(255,255,255,.07); padding: 2px 6px; border-radius: 5px; font-size: 13px; }

.download { text-align: center; }
.download-inner { max-width: 640px; margin: 0 auto; }
.dl-buttons { display: flex; gap: 14px; justify-content: center; margin-top: 28px; flex-wrap: wrap; }
.dl-os { display: inline-flex; }
.dl-note { color: var(--muted); font-size: 14px; margin-top: 18px; }
.dl-note a { color: var(--accent); }

.footer { max-width: var(--max); margin: 60px auto 0; padding: 48px 24px 32px; border-top: 1px solid var(--border); color: var(--muted); }
.footer-cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.footer-brand .brand { font-size: 20px; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; max-width: 34ch; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 { color: var(--text); font-size: 14px; margin-bottom: 4px; }
.footer-col a { color: var(--muted); font-size: 14px; }
.footer-col a:hover { color: #fff; }
.footer-base { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--border); text-align: center; }
.footer-base small { color: #5f6885; }

/* subpages: legal + contact */
.page { max-width: 860px; margin: 0 auto; padding: 56px 24px 20px; }
.page h1 { font-size: clamp(30px, 4vw, 42px); letter-spacing: -0.02em; margin: 12px 0 8px; }
.page .updated { color: #5f6885; font-size: 14px; margin-bottom: 12px; }
.page .lead { margin-top: 0; }
.legal-body h2 { font-size: 20px; margin: 32px 0 10px; color: var(--text); }
.legal-body p { color: var(--muted); font-size: 15.5px; line-height: 1.75; margin-bottom: 10px; }
.legal-body ul { margin: 8px 0 14px 22px; display: grid; gap: 7px; }
.legal-body li { color: var(--muted); font-size: 15.5px; line-height: 1.7; }
.legal-body a { color: var(--accent); }
.legal-body strong { color: var(--text); }
.legal-note { margin-top: 30px; padding: 16px 18px; background: var(--accent-soft); border: 1px solid var(--border); border-radius: 12px; font-size: 14px; color: var(--muted); }

.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 14px; background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 26px; }
.contact-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.contact-form input, .contact-form textarea { background: rgba(0,0,0,.22); border: 1px solid var(--border); border-radius: 10px; color: var(--text); padding: 12px 14px; font-size: 15px; font-family: inherit; }
.contact-form textarea { min-height: 130px; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--accent); }
.contact-note { font-size: 14px; }
.contact-note.ok { color: var(--live); }
.contact-note.err { color: #ff6b7a; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-info .info-item h3 { font-size: 16px; margin-bottom: 4px; color: var(--text); }
.contact-info .info-item p, .contact-info .info-item a { color: var(--muted); font-size: 15px; }
@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; } }

/* responsive */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .steps, .feature-grid, .services-grid, .platform-grid { grid-template-columns: 1fr; }
  .stats-band, .usecase-grid { grid-template-columns: 1fr 1fr; }
  .nav-links a:not(.btn):not(.btn-ghost) { display: none; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 460px) {
  .stats-band { grid-template-columns: 1fr; }
}
