:root {
  --bg: #000;
  --surface: #080808;
  --surface-2: #101010;
  --text: #fff;
  --text-dim: #c7c7c7;
  --text-muted: #999;
  --line: #1e1e1e;
  --line-strong: #323232;
  --accent: #4ade80;
  --accent-hover: #3ec96f;
  --accent-ink: #041109;
  --danger: #d85c4a;
  --warn: #c0392b;
  --container: 1180px;
  --font-body: Inter, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.65 var(--font-body); overflow-x: hidden; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; background: var(--accent); color: var(--accent-ink); padding: 10px 14px; font-weight: 800; }
.skip-link:focus { top: 16px; }

.site-header { position: absolute; inset: 0 0 auto; z-index: 20; border-bottom: 1px solid var(--line); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font: 600 12px/1 var(--font-mono); letter-spacing: .08em; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--accent); color: var(--accent); font-weight: 700; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--text); letter-spacing: -.04em; }
h1 { max-width: 820px; margin-bottom: 22px; font-size: clamp(3rem, 5.9vw, 5.25rem); line-height: .98; font-weight: 900; }
h2 { margin-bottom: 22px; font-size: clamp(2.2rem, 4.1vw, 4rem); line-height: 1.04; font-weight: 850; }
h3 { margin-bottom: 10px; font-size: 1.25rem; line-height: 1.25; }
p { color: var(--text-dim); }
.eyebrow { margin-bottom: 22px; color: var(--accent); font: 600 12px/1.3 var(--font-mono); letter-spacing: .13em; }
.section { padding: 118px 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 820px; margin: 0 auto 58px; text-align: center; }
.section-heading > p:last-child { max-width: 65ch; margin: 0 auto; font-size: 1.08rem; }
.left-heading { margin-left: auto; margin-right: auto; text-align: left; }
.left-heading > p:last-child { margin-left: 0; }
.center { text-align: center; }

.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--accent); padding: 14px 22px; text-decoration: none; font-size: .78rem; line-height: 1.2; font-weight: 900; letter-spacing: .04em; transition: background .2s ease, color .2s ease; }
.button-primary { background: var(--accent); color: var(--accent-ink); }
.button-primary:hover { background: var(--accent-hover); }
.button-small { min-height: 42px; padding: 10px 15px; font-size: .68rem; }

.offer-gate[hidden] { display: none !important; }
.legacy-video-section { display: none; }
.vsl-hero { display: flex; flex-direction: column; align-items: center; gap: 38px; text-align: center; }
.vsl-hero h1 { max-width: 980px; margin: 0; font-size: clamp(2.8rem, 5.2vw, 4.8rem); line-height: 1.02; text-wrap: balance; }
.vsl-frame { position: relative; width: min(100%, 420px); aspect-ratio: 9 / 16; overflow: hidden; border: 1px solid var(--line-strong); background: var(--surface); box-shadow: 0 24px 70px rgba(0, 0, 0, .5); }
.vturb-embed-slot, .vturb-embed-slot > *, .local-player-fallback { width: 100%; height: 100%; }
.vturb-embed-slot { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.vturb-embed-slot:empty { display: none; }
.vturb-embed-slot vturb-smartplayer { display: block; width: 100%; height: 100%; }
.local-player-fallback { position: relative; display: flex; align-items: flex-end; background: var(--surface); }
.local-player-fallback::after { content: ""; position: absolute; inset: 0; background: rgba(0, 0, 0, .5); pointer-events: none; }
.local-player-fallback img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.local-player-control { position: relative; z-index: 2; width: 100%; padding: 24px; background: rgba(0, 0, 0, .88); text-align: left; }
.local-player-control span { display: block; margin-bottom: 13px; color: var(--accent); font: 600 10px/1.3 var(--font-mono); letter-spacing: .1em; }
.local-player-control audio { display: block; width: 100%; }
.smart-progress { position: absolute; inset: 0 0 auto; z-index: 3; height: 5px; background: rgba(255, 255, 255, .18); }
.smart-progress span { display: block; width: 5%; height: 100%; background: var(--accent); transition: width .3s linear; }
.vturb-ready .local-player-fallback { display: none; }
.vturb-ready .vturb-embed-slot { pointer-events: auto; }

.hero { min-height: 100svh; display: flex; align-items: center; padding: 52px 0; }
.hero-grid { display: grid; grid-template-columns: 1.16fr .84fr; gap: 72px; align-items: center; }
.hero-lead { max-width: 650px; margin-bottom: 30px; font-size: 1.16rem; line-height: 1.6; }
.microcopy { max-width: 620px; margin: 14px 0 0; color: var(--text-muted); font-size: .82rem; }
.hero-flow { border: 1px solid var(--line-strong); background: var(--surface); }
.flow-head { display: flex; justify-content: space-between; gap: 14px; padding: 18px 20px; border-bottom: 1px solid var(--line); font: 600 11px/1.4 var(--font-mono); letter-spacing: .08em; }
.flow-head span { color: var(--text-muted); }
.flow-head strong { color: var(--accent); }
.flow-step { display: grid; grid-template-columns: 54px 1fr; gap: 18px; align-items: center; padding: 24px 20px; border-bottom: 1px solid var(--line); }
.flow-step > span { color: var(--accent); font: 600 13px/1 var(--font-mono); }
.flow-step small { display: block; margin-bottom: 7px; color: var(--text-muted); font: 600 11px/1.2 var(--font-mono); letter-spacing: .08em; }
.flow-step strong { display: block; line-height: 1.35; }
.flow-focus { background: var(--accent); color: var(--accent-ink); }
.flow-focus > span, .flow-focus small { color: var(--accent-ink); }
.flow-focus strong { color: var(--accent-ink); }
.flow-result { padding: 18px 20px; text-align: center; color: var(--accent); font: 600 11px/1.3 var(--font-mono); letter-spacing: .1em; }

.credibility { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.credibility-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.credibility-grid div { padding: 28px 24px; border-right: 1px solid var(--line); }
.credibility-grid div:last-child { border-right: 0; }
.credibility-grid strong { display: block; color: var(--accent); font-size: 1.7rem; line-height: 1; }
.credibility-grid span { display: block; margin-top: 8px; color: var(--text-muted); font-size: .78rem; }

.video-section { background: var(--surface); }
.video-heading { max-width: 800px; text-align: center; }
.video-heading p:last-child { max-width: 65ch; margin: 0 auto; }
.video-placeholder { aspect-ratio: 16 / 9; max-width: 960px; margin-top: 48px; margin-bottom: 30px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; border: 1px solid var(--line-strong); background: var(--bg); text-align: center; }
.video-status { font: 600 11px/1.4 var(--font-mono); letter-spacing: .1em; color: var(--text-muted); }
.video-status span { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--accent); }
.video-mark { width: 76px; height: 76px; display: grid; place-items: center; border: 1px solid var(--accent); border-radius: 50%; }
.video-mark i { width: 0; height: 0; margin-left: 5px; border-top: 11px solid transparent; border-bottom: 11px solid transparent; border-left: 18px solid var(--accent); }
.video-placeholder > strong { font-size: 1.05rem; }
.video-placeholder > small { color: var(--text-muted); }

.contrast-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: 72px; align-items: center; }
.contrast-copy p:not(.eyebrow) { max-width: 62ch; font-size: 1.06rem; }
.day-compare { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); }
.day-column { min-height: 360px; padding: 34px; display: flex; flex-direction: column; justify-content: flex-end; }
.day-column + .day-column { border-left: 1px solid var(--line); }
.day-column span { margin-bottom: auto; font: 600 11px/1.3 var(--font-mono); letter-spacing: .1em; }
.day-column strong { margin-bottom: 12px; font-size: 1.45rem; line-height: 1.15; }
.day-column p { margin: 0; }
.day-column.muted { background: var(--surface); }
.day-column.muted span { color: var(--text-muted); }
.day-column.accent { background: var(--accent); color: var(--accent-ink); }
.day-column.accent span, .day-column.accent strong, .day-column.accent p { color: var(--accent-ink); }

.steps-section { background: var(--surface); }
.steps-line { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.steps-line article { position: relative; padding: 34px 30px 40px; border-right: 1px solid var(--line); }
.steps-line article:last-child { border-right: 0; }
.steps-line article > span { display: block; margin-bottom: 52px; color: var(--accent); font: 600 13px/1 var(--font-mono); }
.steps-line p { max-width: 38ch; margin: 0; }

.task-showcase { display: grid; grid-template-columns: 230px 1fr; border: 1px solid var(--line-strong); }
.task-tabs { display: flex; flex-direction: column; border-right: 1px solid var(--line); }
.task-tab { min-height: 65px; border: 0; border-bottom: 1px solid var(--line); background: var(--surface); color: var(--text-muted); text-align: left; padding: 0 22px; font: 600 12px/1 var(--font-mono); cursor: pointer; }
.task-tab:last-child { border-bottom: 0; }
.task-tab.is-active { background: var(--accent); color: var(--accent-ink); }
.task-panel { min-height: 420px; padding: 48px; display: flex; flex-direction: column; justify-content: center; }
.task-kicker { margin-bottom: 16px; color: var(--accent); font: 600 12px/1 var(--font-mono); letter-spacing: .12em; }
.task-panel h3 { max-width: 650px; font-size: clamp(2rem, 3.7vw, 3.3rem); }
.task-body { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 34px; background: var(--line); border: 1px solid var(--line); }
.task-body > div { padding: 24px; background: var(--surface); }
.task-body span { color: var(--accent); font: 600 11px/1 var(--font-mono); letter-spacing: .1em; }
.task-body p { margin: 12px 0 0; }

.inside-section { background: var(--surface); }
.inside-grid { display: grid; grid-template-columns: .84fr 1.16fr; gap: 82px; align-items: start; }
.inside-copy { position: sticky; top: 40px; }
.inside-copy p:not(.eyebrow) { max-width: 58ch; margin-bottom: 28px; }
.inside-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.inside-list li { display: grid; grid-template-columns: 54px 1fr; gap: 18px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.inside-list li > span { color: var(--accent); font: 600 12px/1.5 var(--font-mono); }
.inside-list strong { display: block; margin-bottom: 5px; }
.inside-list p { margin: 0; }

.bonus-stack { border-top: 1px solid var(--line-strong); }
.bonus-stack article { display: grid; grid-template-columns: 120px 1fr 150px; gap: 30px; align-items: center; padding: 30px 0; border-bottom: 1px solid var(--line-strong); }
.bonus-stack article > span, .bonus-stack article > strong { color: var(--accent); font: 600 11px/1.3 var(--font-mono); letter-spacing: .08em; }
.bonus-stack article > strong { text-align: right; }
.bonus-stack h3 { margin: 0 0 4px; }
.bonus-stack p { margin: 0; }
.bonus-stack b { color: var(--text); }

.boundaries-section { background: var(--surface); }
.boundaries-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 82px; align-items: center; }
.boundaries-grid > div:first-child p:last-child { max-width: 60ch; }
.boundary-list { border: 1px solid var(--line-strong); }
.boundary-list p { display: flex; justify-content: space-between; gap: 20px; margin: 0; padding: 20px; border-bottom: 1px solid var(--line); font: 600 11px/1.4 var(--font-mono); }
.boundary-list p:last-child { border-bottom: 0; }
.boundary-list span { color: var(--text-muted); }
.boundary-list strong { color: var(--accent); text-align: right; }
.boundary-list p:nth-child(even) strong { color: var(--warn); }

.offer-section { background: var(--accent); color: var(--accent-ink); }
.offer-section h2, .offer-section p { color: var(--accent-ink); }
.offer-section .eyebrow { color: var(--accent-ink); }
.offer-grid { display: grid; grid-template-columns: 1fr 390px; gap: 58px; align-items: start; }
.offer-copy > p:not(.eyebrow) { max-width: 60ch; font-size: 1.08rem; }
.offer-stack-list { margin: 34px 0 0; padding: 0; list-style: none; border-top: 1px solid rgba(4, 17, 9, .35); }
.offer-stack-list li { display: grid; grid-template-columns: 118px 1fr 78px; gap: 20px; align-items: start; padding: 22px 0; border-bottom: 1px solid rgba(4, 17, 9, .35); }
.offer-stack-list span, .offer-stack-list em { padding-top: 5px; color: var(--accent-ink); font: 700 10px/1.3 var(--font-mono); letter-spacing: .07em; font-style: normal; }
.offer-stack-list em { text-align: right; }
.offer-stack-list strong { display: block; margin-bottom: 5px; color: var(--accent-ink); line-height: 1.3; }
.offer-stack-list p { margin: 0; font-size: .88rem; line-height: 1.5; }
.price-card { position: sticky; top: 28px; background: var(--bg); color: var(--text); padding: 36px; }
.price-card > span { color: var(--accent); font: 600 11px/1 var(--font-mono); letter-spacing: .12em; }
.honest-stack { display: block; margin-top: 18px; color: var(--text); font-size: 1.25rem; line-height: 1.2; letter-spacing: -.02em; }
.price { display: flex; align-items: flex-start; margin: 26px 0 20px; }
.price small { margin: 12px 7px 0 0; font-size: 1.2rem; }
.price strong { font-size: 5.4rem; line-height: .82; letter-spacing: -.08em; }
.price-card p { color: var(--text-dim); }
.availability-status { margin-top: 26px; border: 1px solid var(--line-strong); padding: 16px; color: var(--text-dim); text-align: center; font: 600 11px/1.4 var(--font-mono); letter-spacing: .08em; }
.conditions-note { margin: 14px 0 0; font-size: .78rem; }

.guarantee-section { background: var(--bg); }
.guarantee-panel { display: grid; grid-template-columns: .85fr 1.15fr; gap: 1px; padding: 1px; background: var(--line-strong); }
.guarantee-panel > div { min-height: 280px; padding: 46px; background: var(--surface); }
.guarantee-panel h2 { max-width: 620px; margin: 0; }
.guarantee-copy { display: flex; flex-direction: column; justify-content: center; }
.guarantee-copy strong { color: var(--accent); font: 600 12px/1.4 var(--font-mono); letter-spacing: .1em; }
.guarantee-copy p { max-width: 62ch; margin: 20px 0 0; }

.author-section { background: var(--surface); }
.author-grid { display: grid; grid-template-columns: 320px 1fr; gap: 82px; align-items: center; }
.author-number { min-height: 360px; display: flex; flex-direction: column; justify-content: center; align-items: center; border: 1px solid var(--line-strong); }
.author-number strong { color: var(--accent); font-size: 9rem; line-height: .8; letter-spacing: -.08em; }
.author-number span { margin-top: 24px; color: var(--text-muted); font: 600 11px/1.4 var(--font-mono); letter-spacing: .08em; }
.author-grid > div:last-child p:not(.eyebrow) { max-width: 67ch; }

.faq-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 72px; align-items: start; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; list-style: none; cursor: pointer; padding: 24px 42px 24px 0; font-weight: 750; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 5px; top: 22px; color: var(--accent); font: 500 1.25rem/1 var(--font-mono); }
details[open] summary::after { content: "−"; }
details p { max-width: 68ch; margin: -2px 0 24px; }

.final-section { padding: 140px 0; text-align: center; background: var(--surface); }
.final-inner { max-width: 880px; }
.final-inner h2 { margin-bottom: 34px; }
.site-footer { padding: 34px 0; border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.footer-inner p { margin: 0; font-size: .78rem; }

@media (max-width: 940px) {
  .hero-grid, .contrast-grid, .inside-grid, .boundaries-grid, .offer-grid, .author-grid, .guarantee-panel, .faq-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-flow { max-width: 680px; }
  .inside-copy { position: static; }
  .offer-grid { align-items: stretch; }
  .price-card { position: static; }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 40px), var(--container)); }
  .site-header { position: absolute; }
  .header-inner { min-height: 68px; }
  .brand > span:last-child { display: none; }
  .button-small { min-height: 40px; padding: 9px 12px; }
  .section { padding: 82px 0; }
  .hero { padding: 28px 0 34px; }
  .vsl-hero { gap: 24px; }
  .vsl-hero h1 { font-size: clamp(2.15rem, 10.4vw, 3rem); line-height: 1.04; }
  .vsl-frame { width: min(100%, 335px); }
  .local-player-control { padding: 18px; }
  .hero-grid { gap: 46px; }
  h1 { font-size: clamp(2.7rem, 12vw, 3.7rem); }
  h2 { font-size: clamp(2rem, 9vw, 2.75rem); }
  .hero-lead { font-size: 1rem; }
  .hero .button, .video-section .button, .inside-section .button, .final-section .button { width: 100%; }
  .flow-head { align-items: flex-start; flex-direction: column; }
  .flow-step { grid-template-columns: 42px 1fr; padding: 21px 16px; }
  .credibility-grid { grid-template-columns: 1fr 1fr; }
  .credibility-grid div:nth-child(2) { border-right: 0; }
  .credibility-grid div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .video-placeholder { aspect-ratio: 10 / 13; padding: 24px; }
  .video-status { max-width: 230px; }
  .day-compare { grid-template-columns: 1fr; }
  .day-column { min-height: 260px; }
  .day-column + .day-column { border-left: 0; border-top: 1px solid var(--line); }
  .steps-line { grid-template-columns: 1fr; }
  .steps-line article { border-right: 0; border-bottom: 1px solid var(--line); }
  .steps-line article:last-child { border-bottom: 0; }
  .steps-line article > span { margin-bottom: 26px; }
  .task-showcase { grid-template-columns: 1fr; }
  .task-tabs { display: grid; grid-template-columns: repeat(6, 1fr); border-right: 0; border-bottom: 1px solid var(--line); }
  .task-tab { grid-column: span 2; min-height: 54px; padding: 0 8px; text-align: center; border-right: 1px solid var(--line); }
  .task-tab:nth-child(n+4) { grid-column: span 3; }
  .task-panel { min-height: 0; padding: 30px 20px; }
  .task-panel h3 { font-size: 2rem; }
  .task-body { grid-template-columns: 1fr; }
  .bonus-stack article { grid-template-columns: 1fr; gap: 10px; }
  .bonus-stack article > strong { text-align: left; }
  .boundary-list p { align-items: flex-start; flex-direction: column; gap: 7px; }
  .boundary-list strong { text-align: left; }
  .offer-stack-list li { grid-template-columns: 1fr; gap: 8px; }
  .offer-stack-list span, .offer-stack-list em { padding-top: 0; }
  .offer-stack-list em { text-align: left; }
  .price-card { padding: 28px 22px; }
  .price strong { font-size: 4.8rem; }
  .guarantee-panel > div { min-height: 0; padding: 30px 22px; }
  .author-number { min-height: 250px; }
  .author-number strong { font-size: 7rem; }
  .faq-grid { gap: 30px; }
  .final-section { padding: 100px 0; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}