:root {
  --bg: #E5E9F0;
  --surface: #ECEFF4;
  --text: #2E3440;
  --muted: #4C566A;
  --primary: #5E81AC;
  --secondary: #81A1C1;
  --accent: #BF616A;
  --border: rgba(46, 52, 64, 0.1);
  --font-serif: Georgia, "Times New Roman", Times, serif;
  --font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-w: 1200px;
  --science-ui: science;
  --research-ui: research;
  --academic-ui: academic;
  --data-ui: data;
  --papers-ui: papers;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-serif);
  background-color: var(--bg);
  background-image:
    linear-gradient(160deg, rgba(94, 129, 172, 0.08) 0%, transparent 45%),
    linear-gradient(340deg, rgba(191, 97, 106, 0.06) 0%, transparent 40%);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 47px,
    rgba(46, 52, 64, 0.03) 47px,
    rgba(46, 52, 64, 0.03) 48px
  );
  pointer-events: none;
  z-index: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.disclosure-banner {
  width: 100%;
  padding: 6px 16px;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 10px;
  color: var(--muted);
  line-height: 1.45;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #2E3440;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo-link img {
  height: 36px;
  width: auto;
}

.nav-desktop {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: flex-end;
}

.nav-desktop a {
  color: #ECEFF4;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
  padding-bottom: 2px;
}

.nav-desktop a:hover {
  border-bottom-color: var(--secondary);
  text-decoration: none;
}

.burger-btn {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ECEFF4;
  width: 44px;
  height: 44px;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.burger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: #ECEFF4;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.burger-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.burger-btn.active span:nth-child(2) {
  opacity: 0;
}

.burger-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: #2E3440;
  z-index: 200;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav a {
  color: #ECEFF4;
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 500;
  text-decoration: none;
}

.mobile-nav a:hover {
  color: var(--secondary);
  text-decoration: none;
}

.site-footer {
  background: #2E3440;
  color: #ECEFF4;
  margin-top: auto;
  padding: 48px 24px 32px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  margin-bottom: 32px;
}

.footer-brand img {
  height: 36px;
  width: auto;
  margin-bottom: 12px;
}

.footer-brand p {
  font-family: var(--font-sans);
  font-size: 13px;
  color: rgba(236, 239, 244, 0.7);
  max-width: 280px;
}

.footer-links h3 {
  font-family: var(--font-sans);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--secondary);
  margin-bottom: 12px;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: rgba(236, 239, 244, 0.85);
  font-family: var(--font-sans);
  font-size: 14px;
}

.footer-links a:hover {
  color: #ECEFF4;
}

.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-badges a,
.footer-badges span {
  display: block;
}

.footer-badges img {
  height: 48px;
  width: auto;
}

.footer-requisites {
  font-family: var(--font-sans);
  font-size: 12px;
  color: rgba(236, 239, 244, 0.6);
  margin-bottom: 16px;
  line-height: 1.6;
}

.footer-au-disclosure {
  font-family: var(--font-sans);
  font-size: 11px;
  color: rgba(236, 239, 244, 0.55);
  line-height: 1.65;
  max-width: 900px;
}

.footer-copy {
  font-family: var(--font-sans);
  font-size: 12px;
  color: rgba(236, 239, 244, 0.45);
  margin-top: 20px;
}

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(46, 52, 64, 0.85);
  z-index: 500;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  max-width: 440px;
  width: 100%;
  box-shadow: 0 8px 32px rgba(46, 52, 64, 0.2);
}

.modal-titlebar {
  background: var(--bg);
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
  border-bottom: 1px solid var(--border);
}

.modal-body {
  padding: 24px;
}

.modal-body h2 {
  font-size: 1.35rem;
  margin-bottom: 12px;
  color: var(--text);
}

.modal-body p {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 20px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.btn:hover {
  opacity: 0.88;
}

.btn-primary {
  background: var(--primary);
  color: #ECEFF4;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.cookie-banner {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  z-index: 400;
  padding: 16px 24px;
  box-shadow: 0 -4px 20px rgba(46, 52, 64, 0.1);
}

.cookie-banner.active {
  display: block;
}

.cookie-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.cookie-inner p {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--muted);
  flex: 1;
  min-width: 240px;
}

.cookie-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.page-main {
  flex: 1;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.legal-content h1 {
  font-size: 2rem;
  margin-bottom: 24px;
  color: var(--text);
}

.legal-content h2 {
  font-size: 1.35rem;
  margin: 32px 0 12px;
  color: var(--text);
}

.legal-content h3 {
  font-size: 1.1rem;
  margin: 20px 0 10px;
  color: var(--text);
}

.legal-content p {
  margin-bottom: 14px;
  color: var(--muted);
}

.legal-content ul {
  margin: 0 0 16px 24px;
  color: var(--muted);
}

.legal-content li {
  margin-bottom: 8px;
}

.legal-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(94, 129, 172, 0.12);
  padding: 2px 6px;
}

.contact-form-wrap {
  margin-top: 32px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.contact-form-wrap h2 {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  background: var(--bg);
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-error {
  display: none;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--accent);
  margin-top: 6px;
}

.form-error.visible {
  display: block;
}

.form-success {
  display: none;
  padding: 24px;
  background: rgba(94, 129, 172, 0.1);
  border: 1px solid var(--border);
  font-family: var(--font-sans);
  color: var(--text);
}

.form-success.visible {
  display: block;
}

.go-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
  background: var(--bg);
}

.go-page h1 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.go-page p {
  font-family: var(--font-sans);
  color: var(--muted);
  margin-bottom: 12px;
  max-width: 480px;
}

.go-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 24px auto;
}

.go-ad-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 16px;
}

.go-compliance {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--muted);
  margin-top: 24px;
  max-width: 520px;
  line-height: 1.6;
}

.go-compliance a {
  color: var(--primary);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
  text-align: center;
}

.error-page h1 {
  font-size: 4rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.error-page p {
  font-family: var(--font-sans);
  color: var(--muted);
  margin-bottom: 24px;
}

@media (max-width: 900px) {
  .nav-desktop {
    display: none;
  }

  .burger-btn {
    display: flex;
  }
}

.hero {
  position: relative;
  background: #2E3440;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -10%;
  width: 120%;
  height: 60px;
  background: var(--accent);
  opacity: 0.2;
  transform: translateY(-50%) rotate(-45deg);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
}

.hero-content h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: #ECEFF4;
  margin-bottom: 16px;
  line-height: 1.2;
}

.hero-content p {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  color: rgba(236, 239, 244, 0.8);
}

.offers-section {
  padding: 56px 24px;
  background-image:
    linear-gradient(rgba(229, 233, 240, 0.92), rgba(236, 239, 244, 0.95)),
    url("/images/offers_bg/offers_bg.webp");
  background-size: cover;
  background-position: center;
}

.offers-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.offers-header {
  text-align: center;
  margin-bottom: 36px;
}

.offers-header h2 {
  font-size: 1.75rem;
  margin-bottom: 10px;
}

.offers-header p {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
}

.offers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.offer-card {
  background: #1A1035;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.offer-card:hover {
  transform: translateY(-4px);
  border-color: rgba(167, 139, 250, 0.45);
}

.offer-logo-wrap {
  background: #fff;
  border-radius: 8px;
  padding: 8px;
  margin-bottom: 14px;
  width: 160px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.offer-logo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  max-width: none;
}

.offer-name {
  color: #F5F3FF;
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.offer-bonus-wrap {
  margin-bottom: 12px;
  width: 100%;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.offer-bonus {
  display: block;
  color: #22C55E;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(12px, 2.8vw, 14px);
  line-height: 1.35;
  margin-bottom: 4px;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.offer-terms {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  color: rgba(245, 243, 255, 0.5);
}

.offer-desc {
  font-family: var(--font-sans);
  font-size: 11px;
  color: rgba(245, 243, 255, 0.55);
  line-height: 1.5;
  margin-bottom: 16px;
}

.offer-cta {
  display: inline-block;
  background: #F59E0B;
  color: #1A1035;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  padding: 10px 24px;
  text-decoration: none;
  margin-top: auto;
  transition: opacity 0.2s ease;
}

.offer-cta:hover {
  opacity: 0.9;
  text-decoration: none;
}

.info-section {
  padding: 56px 24px;
  position: relative;
}

.info-section:nth-child(even) {
  background: var(--surface);
}

.info-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.info-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
}

.info-section h2 {
  font-size: 1.6rem;
  margin-bottom: 16px;
  color: var(--text);
}

.info-section p {
  color: var(--muted);
  margin-bottom: 14px;
}

.info-cta {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 2px;
  text-decoration: none;
}

.info-cta:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
  text-decoration: none;
}

.info-1-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 40px;
  align-items: center;
}

.info-1-layout .decor-img {
  max-width: 280px;
  max-height: 320px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.info-2-layout .criteria-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.info-2-layout .criteria-card {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 20px;
}

.info-2-layout .criteria-card h3 {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--primary);
  margin-bottom: 8px;
}

.info-3-layout {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.info-3-layout .decor-img {
  max-width: 240px;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.info-3-layout .content-col {
  flex: 1;
}

.info-4-layout blockquote {
  border-left: 3px solid var(--accent);
  padding: 16px 24px;
  margin: 20px 0;
  background: rgba(191, 97, 106, 0.06);
  font-style: italic;
  color: var(--muted);
}

.info-5-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.info-5-layout .sport-list {
  list-style: none;
}

.info-5-layout .sport-list li {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--muted);
}

.info-5-layout .sport-list li::before {
  content: "§";
  font-family: var(--font-mono);
  color: var(--primary);
  margin-right: 10px;
}

.info-5-layout .decor-img {
  max-width: 100%;
  max-height: 280px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.info-6-layout .stat-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.info-6-layout .stat-item {
  text-align: center;
  padding: 24px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
}

.info-6-layout .stat-num {
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--primary);
  display: block;
}

.info-6-layout .stat-label {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

.info-7-layout {
  display: flex;
  gap: 40px;
  align-items: center;
}

.info-7-layout > div {
  width: 100%;
  max-width: 720px;
}

.info-7-layout .decor-img {
  max-width: 300px;
  max-height: 300px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.info-7-layout .steps-list {
  flex: 1;
  counter-reset: step;
  list-style: none;
}

.info-7-layout .steps-list li {
  counter-increment: step;
  padding: 14px 0 14px 48px;
  position: relative;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}

.info-7-layout .steps-list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 12px;
  width: 32px;
  height: 32px;
  background: var(--primary);
  color: #ECEFF4;
  font-family: var(--font-mono);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-8-layout .timeline {
  position: relative;
  padding-left: 32px;
  margin-top: 20px;
}

.info-8-layout .timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.info-8-layout .timeline-item {
  position: relative;
  margin-bottom: 24px;
  padding-left: 24px;
}

.info-8-layout .timeline-item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
}

.info-8-layout .timeline-item h3 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--text);
}

.info-9-layout .pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 20px;
}

.info-9-layout .pros-col,
.info-9-layout .cons-col {
  padding: 24px;
  border: 1px solid var(--border);
}

.info-9-layout .pros-col {
  background: rgba(94, 129, 172, 0.08);
}

.info-9-layout .cons-col {
  background: rgba(191, 97, 106, 0.06);
}

.info-9-layout h3 {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.info-9-layout ul {
  list-style: none;
}

.info-9-layout li {
  padding: 6px 0;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--muted);
}

.info-10-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
}

.info-10-layout .feature-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.info-10-layout .feature-card {
  padding: 20px;
  background: var(--bg);
  border: 1px solid var(--border);
}

.info-10-layout .feature-card h3 {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--primary);
  margin-bottom: 8px;
}

.info-10-layout .aside-note {
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--muted);
}

.info-10-layout .aside-note strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.footnote {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}

@media (max-width: 768px) {
  .hero {
    min-height: 220px;
    padding: 32px 20px;
  }

  .hero::before {
    height: 40px;
  }

  .offer-logo-wrap {
    width: 140px;
    height: 70px;
  }

  .offer-logo-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
  }

  .info-1-layout,
  .info-3-layout,
  .info-5-layout,
  .info-7-layout,
  .info-9-layout .pros-cons,
  .info-10-layout {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .info-2-layout .criteria-grid,
  .info-6-layout .stat-band,
  .info-10-layout .feature-cards {
    grid-template-columns: 1fr;
  }

  .info-1-layout .decor-img,
  .info-3-layout .decor-img,
  .info-5-layout .decor-img,
  .info-7-layout .decor-img {
    max-width: 100%;
    width: 100%;
    height: auto;
    max-height: 220px;
  }

  .info-section {
    overflow-x: hidden;
  }

  .info-inner {
    overflow-x: hidden;
    max-width: 100%;
  }
}