:root {
  --bg: #050505;
  --bg-soft: #0a0a0a;
  --surface: #0e0e0f;
  --surface-2: #151315;
  --text: #f7f2ec;
  --muted: #a59b94;
  --muted-2: #706761;
  --line: rgba(247, 242, 236, 0.12);
  --line-strong: rgba(247, 242, 236, 0.22);
  --red: #d40d22;
  --red-dark: #75030d;
  --red-soft: rgba(212, 13, 34, 0.16);
  --cream: #f7f2ec;
  --container: 1240px;
  --radius-sm: 16px;
  --radius-md: 24px;
  --radius-lg: 36px;
  --shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
}

body::-webkit-scrollbar {
  width: 8px;
}

body::-webkit-scrollbar-track {
  background: transparent;
}

body::-webkit-scrollbar-thumb {
  background-color: var(--red);
  border-radius: 20px;
  border: 2px solid transparent;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background:
    radial-gradient(circle at 80% 8%, rgba(212, 13, 34, 0.16), transparent 34rem),
    radial-gradient(circle at 5% 18%, rgba(255, 255, 255, 0.045), transparent 30rem),
    linear-gradient(180deg, #050505 0%, #080707 52%, #040404 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0.42;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 92px 92px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 72%);
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.section {
  padding: 150px 0;
}

.skip-link {
  position: fixed;
  left: 18px;
  top: 18px;
  z-index: 1000;
  transform: translateY(-140%);
  padding: 12px 16px;
  border-radius: 999px;
  color: #050505;
  background: var(--cream);
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(5, 5, 5, 0.74);
  backdrop-filter: blur(18px);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(5, 5, 5, 0.92);
}

.header-inner {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: max-content;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 18px;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.07em;
  background: linear-gradient(145deg, #161616, #090909);
}

.brand-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.055em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.025);
}

.main-nav a {
  padding: 10px 15px;
  color: var(--muted);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: background 180ms ease, color 180ms ease;
}

.main-nav a:hover,
.main-nav a.active,
.main-nav a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-cta {
  position: relative;
  padding: 12px 18px;
  border-radius: 999px;
  color: #fff;
  background: var(--red);
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 18px 42px rgba(212, 13, 34, 0.24);
  transition: transform 180ms ease, background 180ms ease;
}

.header-cta:hover {
  transform: translateY(-1px);
  background: #ed1730;
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--text);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
  border-radius: 999px;
}

.hero {
  position: relative;
  padding: 102px 0 120px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 13, 34, 0.55), transparent);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.78fr);
  gap: 76px;
  align-items: center;
}

.section-label {
  margin: 0 0 22px;
  color: var(--muted-2);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero h1,
.section-head h2,
.process h2,
.premium h2,
.rules h2,
.seo-section h2,
.final-card h2,
.faq h2 {
  margin: 0;
  font-weight: 900;
  line-height: 0.9;
}

.hero h1 {
  max-width: 850px;
  font-size: clamp(64px, 8vw, 64px);
}

.hero-subtitle {
  max-width: 720px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: clamp(20px, 2.1vw, 16px);
  line-height: 1.23;
  letter-spacing: -0.045em;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 44px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 18px 24px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text);
  background: transparent;
  font-size: 15px;
  font-weight: 850;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(247, 242, 236, 0.42);
}

.button-primary {
  border-color: rgba(212, 13, 34, 0.76);
  background: linear-gradient(135deg, #ef1730, #a60416);
  color: #fff;
  box-shadow: 0 28px 60px rgba(212, 13, 34, 0.22);
}

.button-primary:hover {
  background: linear-gradient(135deg, #ff263e, #b9081c);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.035);
}

.button-text {
  min-height: 44px;
  padding: 10px 4px;
  border-color: transparent;
  color: var(--muted);
  background: transparent;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 68px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-points li {
  min-height: 126px;
  padding: 26px 24px;
  color: var(--text);
  font-size: 15px;
  font-weight: 750;
  letter-spacing: -0.03em;
  border-right: 1px solid var(--line);
}

.hero-points li:last-child {
  border-right: 0;
}

.hero-points span {
  display: block;
  margin-bottom: 18px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.hero-visual {
  position: relative;
  min-height: 720px;
}

.hero-card {
  position: absolute;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.06);
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 48%, rgba(0, 0, 0, 0.78));
}

.hero-card figcaption {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 24px;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.hero-card figcaption span,
.neuro-meta span {
  color: var(--muted-2);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-card figcaption strong {
  max-width: 160px;
  text-align: right;
  font-size: 18px;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.hero-card-large {
  top: 0;
  right: 0;
  width: min(84%, 520px);
}

.hero-card-large video {
  width: 100%;
  margin-bottom: -7px;
}

.hero-card-small {
  left: 0;
  bottom: 0;
  width: 280px;
  height: 360px;
  border-radius: 28px;
  transform: translateY(12px);
  z-index: 10;
}

.marquee-section {
  padding: 64px 0;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
}

.marquee-text {
  max-width: 1120px;
  margin: 0;
  color: var(--text);
  font-size: clamp(28px, 4.4vw, 32px);
  font-weight: 850;
  line-height: 0.98;
}

.section-head {
  max-width: 820px;
  margin-bottom: 70px;
}

.section-head.wide {
  max-width: 970px;
}

.section-head h2,
.process h2,
.premium h2,
.rules h2,
.seo-section h2,
.final-card h2,
.faq h2 {
  font-size: clamp(48px, 6vw, 48px);
}

.section-head p:not(.section-label),
.process .section-head p,
.rules-copy p,
.seo-section p,
.faq p,
.final-card p {
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: -0.035em;
}

.neuro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

.neuro-card {
  position: relative;
  min-height: 600px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.neuro-card-featured {
  grid-row: span 2;
  min-height: 900px;
}

.neuro-card a {
  display: block;
  width: 100%;
  height: 100%;
}

.neuro-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.12) saturate(0.82) contrast(1.05);
  transform: scale(1.001);
  transition: transform 500ms ease, filter 500ms ease;
}

.neuro-card:hover img {
  transform: scale(1.035);
  filter: grayscale(0) saturate(0.95) contrast(1.08);
}

.neuro-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.8));
}

.neuro-meta {
  position: absolute;
  left: 30px;
  right: 30px;
  bottom: 28px;
  z-index: 2;
}

.neuro-meta h3 {
  margin: 14px 0 0;
  font-size: clamp(28px, 3vw, 24px);
  line-height: 0.95;
  letter-spacing: -0.07em;
}

.neuro-meta p {
  max-width: 420px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.process-layout,
.faq-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  align-items: start;
}

.sticky-head {
  position: sticky;
  top: 126px;
  margin-bottom: 0;
}

.steps-list {
  border-top: 1px solid var(--line);
}

.step-item {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 28px;
  padding: 38px 0;
  border-bottom: 1px solid var(--line);
}

.step-item span {
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
}

.step-item h3 {
  margin: 0;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 0.98;
  letter-spacing: -0.07em;
}

.step-item p {
  max-width: 600px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -0.025em;
  grid-column: span 2;
}

.premium {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.015);
}

.premium-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 76px;
  align-items: center;
}

.premium-image {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.premium-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.75) contrast(1.08);
}

.large-text {
  margin: 34px 0 0;
  color: var(--muted);
  font-size: clamp(23px, 2.2vw, 24px);
  line-height: 1.22;
}

.feature-list {
  display: grid;
  gap: 0;
  margin-top: 24px;
}

.feature-list div {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.feature-list div:last-of-type {
  border-bottom: none;
}

.feature-list strong {
  display: block;
  font-size: 24px;
  line-height: 1;
  letter-spacing: -0.055em;
}

.feature-list span {
  display: block;
  max-width: 580px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 17px;
  letter-spacing: -0.025em;
}

.rules-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  padding: 72px;
  border: 1px solid rgba(212, 13, 34, 0.28);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(212, 13, 34, 0.12), rgba(255, 255, 255, 0.025));
}

.rules-copy ul {
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.rules-copy li {
  position: relative;
  padding: 20px 0 20px 30px;
  color: var(--text);
  border-bottom: 1px solid var(--line);
  font-size: 17px;
  letter-spacing: -0.025em;
}

.rules-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 30px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
}

.seo-section {
  padding-top: 20px;
}

.seo-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 70px;
}

.seo-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.seo-columns article {
  min-height: 280px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.025);
}

.seo-columns h3 {
  margin: 0;
  font-size: 24px;
  letter-spacing: -0.05em;
}

.seo-columns p {
  font-size: 16px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 0;
  color: var(--text);
  font-size: clamp(24px, 2.6vw, 38px);
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.065em;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  flex: 0 0 auto;
  color: var(--red);
  font-weight: 500;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list p {
  max-width: 720px;
  margin: -8px 0 32px;
}

.final-cta {
  padding: 0 0 150px;
}

.final-card {
  min-height: 520px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 72px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.8)),
    url("assets/cta.webp") center / cover no-repeat;
  box-shadow: var(--shadow);
}

.final-card p:not(.section-label) {
  max-width: 680px;
  margin-bottom: 36px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 46px 0;
  color: var(--muted);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: start;
}

.footer-brand {
  color: var(--text);
  font-size: 22px;
  font-weight: 850;
  letter-spacing: -0.06em;
}

.site-footer p {
  max-width: 520px;
  margin: 12px 0 0;
  font-size: 14px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px 22px;
  font-size: 14px;
  font-weight: 700;
}

.footer-nav a:hover {
  color: var(--text);
}

.copyright {
  grid-column: 1 / -1;
  color: var(--muted-2);
}

.cookie-modal {
  position: fixed;
  left: 24px;
  right: 24px;
  bottom: 24px;
  z-index: 200;
  pointer-events: none;
}

.cookie-card {
  width: min(100%, 760px);
  margin-left: auto;
  padding: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 28px;
  background: rgba(12, 12, 13, 0.92);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow);
  pointer-events: auto;
}

.cookie-kicker {
  margin: 0 0 8px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.cookie-card h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.06em;
}

.cookie-card p:not(.cookie-kicker) {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.cookie-actions .button {
  min-height: 46px;
  padding: 12px 16px;
  font-size: 13px;
}

.cookie-options {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.cookie-options label {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 14px;
}

.cookie-options input {
  accent-color: var(--red);
}

@media (max-width: 1180px) {
  .main-nav {
    position: fixed;
    top: 86px;
    left: 24px;
    right: 24px;
    display: grid;
    padding: 14px;
    border-radius: 24px;
    background: rgba(12, 12, 13, 0.96);
    backdrop-filter: blur(22px);
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav a {
    padding: 15px;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .hero-layout,
  .premium-grid,
  .process-layout,
  .faq-layout,
  .rules-card,
  .seo-layout {
    grid-template-columns: 1fr;
  }

  .hero-layout {
    gap: 54px;
  }

  .hero-visual {
    min-height: 640px;
  }

  .hero-card-large {
    width: 78%;
  }

  .sticky-head {
    position: static;
  }

  .seo-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .container {
    width: min(calc(100% - 32px), var(--container));
  }

  .section {
    padding: 104px 0;
  }

  .hero {
    padding: 72px 0 96px;
  }

  .hero h1 {
    font-size: clamp(52px, 15vw, 48px);
  }

  .hero-subtitle {
    font-size: 20px;
  }

  .hero-points {
    grid-template-columns: 1fr;
  }

  .hero-points li {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-points li:last-child {
    border-bottom: 0;
  }

  .hero-visual {
    min-height: auto;
    display: grid;
    gap: 16px;
  }

  .hero-card {
    position: relative;
    width: 100%;
    height: auto;
    inset: auto;
    transform: none;
  }

  .hero-card img {
    aspect-ratio: 4 / 5;
  }

  .hero-card-small img {
    aspect-ratio: 1 / 1;
  }

  .neuro-grid {
    grid-template-columns: 1fr;
  }

  .neuro-card,
  .neuro-card-featured {
    min-height: 540px;
    grid-row: auto;
  }

  .rules-card,
  .final-card {
    padding: 38px;
  }

  .final-card {
    min-height: 460px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-nav {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .header-inner {
    min-height: 74px;
    gap: 14px;
  }

  .brand-text {
    font-size: 18px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .header-cta {
    display: none;
  }

  .main-nav {
    top: 74px;
    left: 16px;
    right: 16px;
  }

  .button {
    width: 100%;
    min-height: 56px;
  }

  .hero h1 {
    letter-spacing: -0.03em;
    text-align: center;
  }

  .section-head h2,
  .process h2,
  .premium h2,
  .rules h2,
  .seo-section h2,
  .final-card h2,
  .faq h2 {
    font-size: clamp(42px, 13vw, 62px);
  }

  .section-head p:not(.section-label),
  .process .section-head p,
  .rules-copy p,
  .seo-section p,
  .faq p,
  .final-card p,
  .large-text {
    font-size: 18px;
  }

  .marquee-text {
    font-size: 36px;
  }

  .neuro-card,
  .neuro-card-featured {
    min-height: 480px;
    border-radius: 28px;
  }

  .neuro-meta {
    left: 22px;
    right: 22px;
    bottom: 22px;
  }

  .step-item {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .rules-card,
  .final-card {
    padding: 28px;
    border-radius: 28px;
  }

  .cookie-modal {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .cookie-card {
    padding: 20px;
    border-radius: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}