:root {
  --bg: #08080a; --panel: #121216; --line: rgba(255, 255, 255, .09);
  --red: #e01b24; --hot: #ff4a4f; --deep: #6e0b12;
  --text: #f4f4f6; --soft: #b8b8c0; --dim: #8f8f9a;
  --cut: 18px;
  --display: "Chakra Petch", "Bahnschrift", "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.65 Inter, "Segoe UI", system-ui, sans-serif; overflow-x: hidden; }
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
#bg { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; }

.nav { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 24px; padding: 14px clamp(16px, 5vw, 64px);
  background: rgba(8, 8, 10, .72); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(255, 74, 79, .22); }
.nav nav { display: flex; gap: 26px; margin-left: auto; color: var(--soft); font-size: 15px; }
.nav nav a:hover { color: var(--hot); }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 600 17px var(--display); letter-spacing: 3px; }
.brand b { color: var(--hot); font-weight: 600; }

.btn { --c: 10px; display: inline-block; padding: 14px 28px; font: 700 15px var(--display); letter-spacing: 1.5px; color: #fff; position: relative; overflow: hidden;
  background: linear-gradient(120deg, var(--hot), var(--red) 55%, #8f121a);
  clip-path: polygon(var(--c) 0, 100% 0, 100% calc(100% - var(--c)), calc(100% - var(--c)) 100%, 0 100%, 0 var(--c)); transition: filter .2s, transform .2s; }
.btn::after { content: ""; position: absolute; inset: 0 auto 0 -40%; width: 30%; background: linear-gradient(100deg, transparent, rgba(255, 255, 255, .45), transparent); animation: sheen 3.6s infinite; }
.btn:hover { filter: brightness(1.14); transform: translateY(-2px); }
.btn.ghost { background: rgba(255, 255, 255, .07); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .16); }
.btn.ghost::after { display: none; }
.btn.small { padding: 9px 18px; font-size: 14px; }
.btn:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--hot); outline-offset: 3px; }
@keyframes sheen { 0%, 55% { left: -40%; } 100% { left: 130%; } }

main { width: min(1160px, 100%); margin: 0 auto; padding: 0 clamp(16px, 4vw, 32px); }
section { padding: 72px 0; }
.kicker { margin: 0 0 10px; color: var(--hot); font: 600 13px var(--display); letter-spacing: 4px; }
h1, h2, h3, h4 { font-family: var(--display); margin: 0; line-height: 1.12; }
.head { margin-bottom: 32px; }
h2 { font-size: clamp(30px, 4vw, 42px); }
h3 { font-size: 28px; margin-bottom: 10px; }
h4 { font-size: 19px; margin-bottom: 6px; }

.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center; min-height: calc(100vh - 66px); padding: 48px 0; }
h1 { font-size: clamp(40px, 4.9vw, 66px); }
h1 span { background: linear-gradient(100deg, #fff, var(--hot) 70%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { max-width: 56ch; margin: 22px 0 28px; color: var(--soft); font-size: 18px; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; }
.facts { display: flex; flex-wrap: wrap; gap: 12px 30px; list-style: none; margin: 34px 0 0; padding: 0; color: var(--dim); font-size: 14px; }
.facts b { display: block; color: var(--text); font: 600 18px var(--display); }
.hero-mark { position: relative; aspect-ratio: 1; max-width: 460px; width: 100%; margin: auto; display: grid; place-items: center; }
.hero-mark img { width: 82%; filter: drop-shadow(0 0 50px rgba(224, 27, 36, .55)); animation: float 6s ease-in-out infinite; }
.ring { position: absolute; inset: 0; border-radius: 50%; border: 2px solid transparent; border-top-color: var(--hot); border-bottom-color: var(--hot); animation: spin 14s linear infinite; }
.ring.r2 { inset: -18px; border-top-color: rgba(255, 255, 255, .4); border-bottom-color: rgba(255, 255, 255, .4); border-width: 1px; animation-duration: 22s; animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes float { 50% { transform: translateY(-10px); } }

.frame, .card { background: linear-gradient(135deg, rgba(30, 30, 36, .92), rgba(15, 15, 18, .94) 60%, rgba(26, 10, 13, .94));
  box-shadow: inset 0 0 0 1px var(--line); clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut)); }
.frame { padding: 10px; }
.frame img, .frame video { width: 100%; clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px); }
.video { filter: drop-shadow(0 0 34px rgba(224, 27, 36, .28)); }

.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; margin-bottom: 48px; }
.split.flip > :first-child { order: 2; }
.split p { color: var(--soft); margin: 0 0 14px; }
.ticks { list-style: none; margin: 0; padding: 0; color: var(--soft); }
.ticks li { position: relative; padding-left: 22px; margin: 7px 0; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .55em; width: 10px; height: 10px; background: var(--hot); clip-path: polygon(30% 0, 100% 0, 70% 100%, 0 100%); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { padding: 24px; transition: transform .25s, box-shadow .25s; }
.card:hover { transform: translateY(-4px); box-shadow: inset 0 0 0 1px rgba(255, 74, 79, .6); }
.card p, .steps p { margin: 0; color: var(--soft); font-size: 15px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; list-style: none; margin: 0; padding: 0; counter-reset: none; }
.steps li { padding: 24px; border-top: 2px solid var(--red); background: rgba(18, 18, 22, .78); }
.steps span { display: block; color: var(--hot); font: 700 34px var(--display); margin-bottom: 8px; }

.price { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; padding: clamp(24px, 4vw, 44px); }
.price h2 { margin-bottom: 14px; }
.price-buy { text-align: right; }
.amount { margin: 0 0 14px; font: 700 clamp(48px, 7vw, 72px)/1 var(--display); }
.amount small { font-size: .42em; color: var(--hot); }

.faq { max-width: 800px; }
details { border-bottom: 1px solid var(--line); padding: 16px 4px; }
summary { cursor: pointer; font: 600 18px var(--display); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--hot); font-size: 22px; line-height: 1; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: 10px 0 0; color: var(--soft); }

footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 24px; padding: 28px clamp(16px, 5vw, 64px); border-top: 1px solid rgba(255, 74, 79, .22); color: var(--dim); font-size: 14px; }
footer p { margin: 0; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s, transform .7s; }
.reveal.in { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .nav nav { display: none; }
  .nav .btn { margin-left: auto; }
  .hero, .split { grid-template-columns: 1fr; }
  .hero { min-height: 0; padding-top: 36px; }
  .hero-mark { order: -1; max-width: 240px; }
  .split.flip > :first-child { order: 0; }
  .grid, .steps { grid-template-columns: 1fr; }
  .price-buy { text-align: left; }
  section { padding: 48px 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}