:root {
  --bg: #0a0a0a; --surface: #121212; --surface2: #181818; --line: #272727; --ink: #f2f2f0; --text: #d4d4d0; --muted: #a2a29e;
  --accent: #00dcfe; --accent-soft: rgba(0, 220, 254, .12); --btn: #4f46e5; --btn-hover: #4338ca; --good: #34d399; --radius: 12px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 'Inter', -apple-system, 'Segoe UI', sans-serif; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.2; letter-spacing: -0.02em; margin: 0; }
h1 { font-size: clamp(36px, 6vw, 62px); font-weight: 700; letter-spacing: -0.035em; }
h2 { font-size: clamp(26px, 3.6vw, 38px); font-weight: 650; }
h3 { font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0 0 14px; }
.eyebrow { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border-radius: 8px; font: 600 14px/1 'Inter', sans-serif; border: 1px solid transparent; cursor: pointer; text-decoration: none !important; transition: background .15s, border-color .15s, transform .05s; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--btn); color: #fff; }
.btn-primary:hover { background: var(--btn-hover); }
.btn-ghost { color: var(--ink); border-color: var(--line); background: transparent; }
.btn-ghost:hover { border-color: #444; background: #151515; }
.btn-lg { padding: 14px 24px; font-size: 15px; border-radius: 10px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(10, 10, 10, .82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand img { display: block; }
.nav nav { display: flex; align-items: center; gap: 22px; }
.nav nav a:not(.btn) { color: var(--text); font-size: 14px; font-weight: 500; }
.nav nav a:not(.btn):hover { color: var(--ink); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; width: 42px; height: 38px; cursor: pointer; padding: 0 10px; flex-direction: column; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 2px; }

/* hero */
.hero { position: relative; padding: 96px 0 72px; overflow: hidden; text-align: center; }
.hero::before { content: ""; position: absolute; inset: -20% 0 auto 0; height: 560px; background: radial-gradient(60% 60% at 50% 0%, rgba(79, 70, 229, .32), transparent 70%), radial-gradient(40% 40% at 78% 8%, rgba(0, 220, 254, .16), transparent 70%); pointer-events: none; }
.hero .wrap { position: relative; }
.hero h1 { max-width: 900px; margin: 0 auto 22px; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, var(--accent), #8b85ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 720px; margin: 0 auto 32px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero .fine { margin-top: 18px; font-size: 13px; color: var(--muted); }

/* product mock */
.mock { margin: 64px auto 0; max-width: 980px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 30px 80px rgba(0, 0, 0, .55), 0 0 0 1px rgba(255, 255, 255, .02) inset; overflow: hidden; text-align: left; }
.mock-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: #0e0e0e; }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2c2c2c; display: block; }
.mock-bar span { margin-left: 10px; font-size: 12px; color: var(--muted); }
.board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 16px; }
.col h5 { margin: 0 0 10px; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); display: flex; justify-content: space-between; font-weight: 600; }
.card-m { background: var(--surface2); border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin-bottom: 10px; font-size: 13px; }
.card-m b { color: var(--ink); display: block; font-size: 13px; margin-bottom: 2px; }
.card-m small { color: var(--muted); }
.pill { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); margin-top: 6px; }
.pill.ok { background: rgba(52, 211, 153, .12); color: var(--good); }

/* sections */
section { padding: 84px 0; }
.alt { background: linear-gradient(180deg, #0d0d0d, #0a0a0a); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.head { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.head p { color: var(--muted); font-size: 18px; margin-top: 14px; }
.grid { display: grid; gap: 18px; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g2 { grid-template-columns: repeat(2, 1fr); }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.tile h3 { margin-bottom: 8px; }
.tile p { color: var(--muted); margin: 0; font-size: 15px; }
.tile .ic { width: 38px; height: 38px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin-bottom: 16px; font-size: 18px; }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.ticks { list-style: none; padding: 0; margin: 18px 0 0; }
.ticks li { position: relative; padding: 7px 0 7px 30px; color: var(--text); }
.ticks li::before { content: ""; position: absolute; left: 0; top: 13px; width: 16px; height: 16px; border-radius: 50%; background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%2300dcfe' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 28px; }
.steps { counter-reset: s; display: grid; gap: 16px; }
.step { display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: start; }
.step::before { counter-increment: s; content: counter(s); width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; color: var(--accent); font-weight: 600; background: var(--surface); }
.step h3 { margin-bottom: 4px; }
.step p { color: var(--muted); margin: 0; }
.balance { text-align: left; }
.balance .amt { font-size: 40px; font-weight: 700; color: var(--ink); letter-spacing: -.03em; }
.bar { height: 8px; background: #1d1d1d; border-radius: 999px; overflow: hidden; margin: 14px 0 6px; }
.bar i { display: block; height: 100%; width: 62%; background: linear-gradient(90deg, var(--btn), var(--accent)); }
.list2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 28px; list-style: none; margin: 14px 0 0; padding: 0; }
.list2 li { padding: 7px 0; border-bottom: 1px solid var(--line); color: var(--text); font-size: 15px; }
.faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq p { margin: 12px 0 0; color: var(--muted); }
.final { text-align: center; }
.final .panel { padding: 56px 28px; background: radial-gradient(70% 120% at 50% 0%, rgba(79, 70, 229, .22), transparent 70%), var(--surface); }
.final h2 { margin-bottom: 14px; }
.final p { color: var(--muted); max-width: 560px; margin: 0 auto 26px; font-size: 18px; }
.page-head { padding: 72px 0 28px; text-align: center; }
.page-head .lead { margin-bottom: 0; }

/* form */
form.contact { max-width: 620px; margin: 0 auto; display: grid; gap: 16px; }
form.contact label { display: block; font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
form.contact input, form.contact textarea { width: 100%; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; color: var(--ink); font: 15px 'Inter', sans-serif; }
form.contact input:focus, form.contact textarea:focus { outline: 2px solid var(--btn); border-color: transparent; }
form.contact textarea { min-height: 130px; resize: vertical; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.note { padding: 14px 16px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); font-size: 14px; display: none; }
.note.show { display: block; }
.note.ok { border-color: rgba(52, 211, 153, .5); color: var(--good); }
.note.err { border-color: rgba(248, 113, 113, .5); color: #f87171; }

/* footer */
.foot { border-top: 1px solid var(--line); padding-top: 48px; margin-top: 20px; }
.foot-in { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 32px; }
.foot-in p { max-width: 340px; margin-top: 14px; }
.foot-cols { display: flex; gap: 64px; }
.foot h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: 12px; font-weight: 600; }
.foot-cols a { display: block; color: var(--text); font-size: 14px; padding: 4px 0; }
.foot-base { border-top: 1px solid var(--line); padding-top: 20px; padding-bottom: 32px; }

@media (max-width: 860px) {
  .g3, .g2, .split, .two, .list2 { grid-template-columns: 1fr; }
  .board { grid-template-columns: repeat(2, 1fr); }
  .split { gap: 32px; }
  .nav-toggle { display: flex; }
  .nav nav { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 12px 24px 20px; background: #0a0a0a; border-bottom: 1px solid var(--line); }
  .nav nav.open { display: flex; }
  .nav nav a { padding: 12px 0; }
  .nav nav .btn { margin-top: 8px; }
  .hero { padding: 64px 0 48px; }
  section { padding: 60px 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }