:root {
  --bg: #07080c;
  --bg2: #0e1017;
  --card: rgba(255,255,255,0.035);
  --line: rgba(255,255,255,0.09);
  --text: #eef0f6;
  --muted: #9aa0b4;
  --accent: #7c5cff;
  --accent2: #22d3ee;
  --gold: #f5c451;
  --radius: 18px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: "Space Grotesk", "Inter", sans-serif; line-height: 1.1; letter-spacing: -0.02em; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.grad { background: linear-gradient(90deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* background glow */
.orb { position: fixed; border-radius: 50%; filter: blur(90px); opacity: .35; z-index: -1; pointer-events: none; }
.orb.a { width: 520px; height: 520px; background: var(--accent); top: -160px; left: -140px; animation: drift 18s ease-in-out infinite alternate; }
.orb.b { width: 460px; height: 460px; background: var(--accent2); bottom: -180px; right: -120px; animation: drift 22s ease-in-out infinite alternate-reverse; }
@keyframes drift { to { transform: translate(120px, 80px) scale(1.15); } }
.grid-bg { position: fixed; inset: 0; z-index: -1; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 64px 64px; mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 70%); opacity: .5; }

/* nav */
.nav { position: fixed; top: 14px; left: 0; right: 0; z-index: 50; padding: 0 16px; transition: top .3s; }
.nav-inner { max-width: 1080px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 62px; padding: 0 10px 0 20px; border-radius: 999px; border: 1px solid var(--line); background: rgba(14,16,23,.55); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); transition: background .3s, box-shadow .3s; }
.nav.scrolled .nav-inner { background: rgba(14,16,23,.85); box-shadow: 0 10px 40px rgba(0,0,0,.45); }
.logo { font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 1.2rem; display: flex; align-items: center; gap: 10px; }
.logo-mark { width: 32px; height: 32px; border-radius: 10px; background: linear-gradient(135deg, var(--accent), var(--accent2)); display: grid; place-items: center; box-shadow: 0 4px 18px rgba(124,92,255,.45); }
.logo-mark svg { width: 18px; height: 18px; }
.nav-links { display: flex; gap: 4px; font-size: .9rem; color: var(--muted); }
.nav-links a { padding: 8px 14px; border-radius: 999px; transition: color .2s, background .2s; }
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,.06); }
.nav-right { display: flex; align-items: center; gap: 8px; }
.burger { display: none; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; font-size: 1.1rem; }
.mobile-menu { display: none; max-width: 1080px; margin: 10px auto 0; padding: 12px; border-radius: 20px; border: 1px solid var(--line); background: rgba(14,16,23,.95); backdrop-filter: blur(18px); }
.mobile-menu a { display: block; padding: 12px 14px; border-radius: 12px; color: var(--muted); }
.mobile-menu a:hover { background: rgba(255,255,255,.06); color: var(--text); }
.nav.open .mobile-menu { display: block; }
@media (max-width: 860px) { .nav-links { display: none; } .burger { display: grid; place-items: center; } .nav-right .btn { display: none; } }
.page-top { padding-top: 90px; }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 24px; border-radius: 999px; font-weight: 600; font-size: .95rem; transition: transform .2s, box-shadow .2s; cursor: pointer; border: 0; }
.btn-primary { background: linear-gradient(90deg, var(--accent), var(--accent2)); color: #fff; box-shadow: 0 8px 30px rgba(124,92,255,.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(124,92,255,.5); }
.btn-ghost { border: 1px solid var(--line); color: var(--text); background: var(--card); }
.btn-ghost:hover { border-color: rgba(255,255,255,.25); }
.btn-sm { padding: 9px 18px; font-size: .85rem; }

/* hero */
.hero { padding: 170px 0 80px; text-align: center; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); font-size: .82rem; color: var(--muted); margin-bottom: 28px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 0 rgba(52,211,153,.7); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(52,211,153,0); } 100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); } }
.hero h1 { font-size: clamp(2.4rem, 6.4vw, 4.8rem); max-width: 900px; margin: 0 auto 24px; }
.hero p.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--muted); max-width: 640px; margin: 0 auto 38px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.rotator { display: inline-block; min-width: 4ch; }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 70px; }
.stat { padding: 22px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.stat b { display: block; font-family: "Space Grotesk", sans-serif; font-size: 2rem; }
.stat > span { color: var(--muted); font-size: .85rem; }
.stat b span { font: inherit; color: inherit; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* marquee */
.marquee { overflow: hidden; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 18px 0; mask-image: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent); }
.marquee-track { display: flex; gap: 48px; width: max-content; animation: scroll 32s linear infinite; color: var(--muted); font-family: "Space Grotesk", sans-serif; font-size: 1.05rem; white-space: nowrap; }
.marquee-track span::before { content: "✦"; margin-right: 48px; color: var(--accent); }
@keyframes scroll { to { transform: translateX(-50%); } }

section { padding: 100px 0; }
.eyebrow { color: var(--accent2); font-size: .8rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 14px; }
.sec-head { max-width: 680px; margin-bottom: 54px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head h2 { font-size: clamp(2rem, 4.2vw, 3rem); margin-bottom: 16px; }
.sec-head p { color: var(--muted); font-size: 1.08rem; }

.card { border: 1px solid var(--line); background: var(--card); border-radius: var(--radius); padding: 30px; transition: transform .3s, border-color .3s; }
.card:hover { transform: translateY(-4px); border-color: rgba(124,92,255,.45); }

/* problem / split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }
.split h3 { font-size: 1.3rem; margin-bottom: 16px; }
.split ul { list-style: none; display: grid; gap: 12px; color: var(--muted); }
.split li::before { content: "→"; color: var(--accent2); margin-right: 10px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }
.step-num { font-family: "Space Grotesk", sans-serif; font-size: 3rem; font-weight: 700; opacity: .25; line-height: 1; margin-bottom: 18px; }
.step h3 { font-size: 1.35rem; margin-bottom: 10px; }
.step p { color: var(--muted); font-size: .95rem; }

/* calculator */
.calc { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; }
@media (max-width: 860px) { .calc { grid-template-columns: 1fr; } }
.field { margin-bottom: 30px; }
.field-top { display: flex; justify-content: space-between; margin-bottom: 12px; font-size: .95rem; }
.field-top output { font-family: "Space Grotesk", sans-serif; font-weight: 700; color: var(--accent2); }
input[type=range] { -webkit-appearance: none; appearance: none; width: 100%; height: 8px; border-radius: 99px; background: linear-gradient(90deg, var(--accent) var(--p, 50%), rgba(255,255,255,.1) var(--p, 50%)); outline: none; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; border-radius: 50%; background: #fff; border: 4px solid var(--accent); cursor: pointer; box-shadow: 0 0 0 6px rgba(124,92,255,.2); }
input[type=range]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 4px solid var(--accent); cursor: pointer; }
.result { background: linear-gradient(160deg, rgba(124,92,255,.18), rgba(34,211,238,.08)); display: flex; flex-direction: column; justify-content: center; }
.result small { color: var(--muted); }
.big { font-family: "Space Grotesk", sans-serif; font-size: clamp(2.6rem, 6vw, 3.8rem); font-weight: 700; margin: 6px 0 20px; }
.rows { display: grid; gap: 10px; border-top: 1px solid var(--line); padding-top: 18px; font-size: .95rem; }
.rows div { display: flex; justify-content: space-between; }
.rows span:first-child { color: var(--muted); }
.fine { color: var(--muted); font-size: .78rem; margin-top: 18px; }

/* value stack */
.stack { max-width: 780px; margin: 0 auto; }
.stack-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 26px; border-bottom: 1px solid var(--line); }
.stack-row:last-child { border-bottom: 0; }
.stack-row h4 { font-size: 1.02rem; margin-bottom: 3px; }
.stack-row p { color: var(--muted); font-size: .88rem; }
.stack-row .v { font-family: "Space Grotesk", sans-serif; font-weight: 700; white-space: nowrap; }
.stack-card { padding: 0; overflow: hidden; }
.stack-card:hover { transform: none; }
.stack-total { background: rgba(255,255,255,.03); }
.stack-total .v { text-decoration: line-through; color: var(--muted); font-size: 1.3rem; }
.stack-zero { background: linear-gradient(90deg, rgba(124,92,255,.25), rgba(34,211,238,.15)); }
.stack-zero h4 { font-size: 1.25rem; }
.stack-zero .v { font-size: 2.2rem; color: #fff; }

/* pricing */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 760px) { .plans { grid-template-columns: 1fr; } }
.plan { position: relative; }
.plan.featured { border-color: rgba(124,92,255,.6); box-shadow: 0 20px 60px rgba(124,92,255,.18); }
.tag { position: absolute; top: -12px; right: 24px; background: linear-gradient(90deg, var(--accent), var(--accent2)); padding: 4px 14px; border-radius: 99px; font-size: .75rem; font-weight: 600; }
.plan h3 { font-size: 1.4rem; margin-bottom: 6px; }
.plan .sub { color: var(--muted); font-size: .92rem; margin-bottom: 22px; }
.price { font-family: "Space Grotesk", sans-serif; font-size: 3rem; font-weight: 700; }
.price small { font-size: 1rem; color: var(--muted); font-weight: 400; }
.plan ul { list-style: none; margin: 24px 0 28px; display: grid; gap: 11px; font-size: .95rem; }
.plan li::before { content: "✓"; color: #34d399; margin-right: 10px; font-weight: 700; }

/* guarantee */
.guarantee { text-align: center; padding: 60px 30px; background: radial-gradient(circle at 50% 0%, rgba(245,196,81,.16), transparent 60%), var(--card); border-color: rgba(245,196,81,.35); }
.guarantee:hover { transform: none; }
.shield { width: 84px; height: 84px; margin: 0 auto 24px; border-radius: 50%; display: grid; place-items: center; font-size: 2.3rem; background: rgba(245,196,81,.12); border: 1px solid rgba(245,196,81,.4); animation: float 4s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-10px); } }
.guarantee h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 18px; }
.guarantee h2 em { font-style: normal; color: var(--gold); }
.guarantee p { color: var(--muted); max-width: 680px; margin: 0 auto 14px; }

/* faq */
.faq { max-width: 780px; margin: 0 auto; display: grid; gap: 12px; }
details { border: 1px solid var(--line); border-radius: 14px; background: var(--card); padding: 20px 24px; }
summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::after { content: "+"; color: var(--accent2); font-size: 1.3rem; line-height: 1; transition: transform .25s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--muted); margin-top: 12px; font-size: .95rem; }

/* final cta */
.final { text-align: center; }
.final h2 { font-size: clamp(2.2rem, 5vw, 3.6rem); margin-bottom: 18px; }
.final p { color: var(--muted); margin-bottom: 34px; font-size: 1.1rem; }

footer { border-top: 1px solid var(--line); padding: 40px 0; color: var(--muted); font-size: .85rem; }
footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; }
footer .links { display: flex; gap: 22px; flex-wrap: wrap; }
footer a:hover { color: var(--text); }

/* reveal animation */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s ease, transform .8s ease; }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: .1s; } .d2 { transition-delay: .2s; } .d3 { transition-delay: .3s; }

/* legal page */
.legal { max-width: 780px; padding: 70px 20px 100px; }
.legal h1 { font-size: 2.6rem; margin-bottom: 8px; }
.legal h2 { font-size: 1.25rem; margin: 36px 0 10px; }
.legal p, .legal li { color: var(--muted); margin-bottom: 10px; }
.legal ul { padding-left: 20px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}