/* Olimpiabestliveoffers – светлая минималистичная + Material Design карточки */
:root {
  --bg-primary: #fafafa;
  --bg-secondary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-solid: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-dim: #1e40af;
  --accent-glow: rgba(37, 99, 235, 0.12);
  --gold: #0f172a;
  --gold-dim: #1e293b;
  --gold-glow: rgba(15, 23, 42, 0.08);
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --radius: 12px;
  --radius-sm: 8px;
  /* Material Design: выразительные тени, иерархия */
  --elevation-1: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
  --elevation-2: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --elevation-3: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
  --shadow: var(--elevation-1);
  --shadow-card: var(--elevation-2);
  --shadow-hover: var(--elevation-3);
  --font-heading: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body: 'Source Sans 3', system-ui, sans-serif;
  --header-height: 70px;
  --transition: 0.22s ease;
}

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-wrap: break-word;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse 60% 40% at 50% -10%, var(--accent-glow), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

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

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

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  max-width: 100vw;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.site-logo:hover {
  color: var(--accent);
  text-decoration: none;
}

.site-logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.main-nav a {
  padding: 0.5rem 0.8rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.main-nav a:hover {
  color: var(--accent);
  background: rgba(37, 99, 235, 0.08);
}

.burger-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.burger-btn:hover {
  background: rgba(0, 0, 0, 0.06);
}

.burger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: background 0.2s;
}

.burger-btn span::before,
.burger-btn span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: transform 0.3s ease;
}

.burger-btn span::before { top: -6px; }
.burger-btn span::after { top: 6px; }

.burger-btn[aria-expanded="true"] span { background: transparent; }
.burger-btn[aria-expanded="true"] span::before { transform: rotate(45deg); top: 0; }
.burger-btn[aria-expanded="true"] span::after { transform: rotate(-45deg); top: 0; }

main {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - var(--header-height) - 200px);
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 3.5rem 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--text-primary);
  text-align: center;
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 2.25rem;
  font-size: 1rem;
  line-height: 1.55;
}

/* Hero */
.hero {
  padding: 3.5rem 1.25rem 4.5rem;
  text-align: center;
  position: relative;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin: 0 0 0.45rem;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.hero .tagline {
  font-size: 1.1rem;
  color: var(--accent);
  margin: 0 0 1.25rem;
  font-weight: 600;
}

.hero .hero-desc {
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 1.5rem;
  font-size: 1.02rem;
}

/* Stats strip – Material */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  padding: 2rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: -2rem auto 0;
  max-width: min(880px, 100%);
  position: relative;
  z-index: 2;
  box-shadow: var(--elevation-2);
  transition: box-shadow var(--transition);
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--accent);
  display: block;
  margin-bottom: 0.2rem;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Cards – Material Design: выразительные тени, плотные цвета, иерархия */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--elevation-2);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.card:hover {
  box-shadow: var(--elevation-3);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

/* Partners grid */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.partner-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.partner-card .partner-logo {
  width: 100px;
  height: 58px;
  object-fit: contain;
  margin-bottom: 0.9rem;
  filter: brightness(1.05);
}

.partner-card .partner-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
  color: var(--text-primary);
}

.partner-card .partner-badge {
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 0.65rem;
  font-weight: 500;
}

.partner-card p {
  color: var(--text-secondary);
  font-size: 0.93rem;
  margin: 0 0 1.2rem;
  flex-grow: 1;
  line-height: 1.5;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  background: var(--gold);
  color: #fff;
  font-weight: 600;
  font-size: 0.92rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  transition: box-shadow var(--transition), transform var(--transition), background var(--transition);
  margin-top: auto;
  box-shadow: var(--elevation-2);
}

.btn:hover {
  background: var(--gold-dim);
  box-shadow: var(--elevation-3);
  transform: translateY(-1px);
  color: #fff;
  text-decoration: none;
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--elevation-1);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
  box-shadow: var(--elevation-1);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--elevation-2);
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}

.step-card {
  position: relative;
  padding-left: 3rem;
}

.step-card::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--elevation-2);
}

.step-card h3 {
  font-family: var(--font-heading);
  font-size: 1.08rem;
  margin: 0 0 0.45rem;
  color: var(--text-primary);
}

.step-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.93rem;
}

/* Advantages */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.advantage-card h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin: 0 0 0.45rem;
  color: var(--text-primary);
}

.advantage-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.93rem;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.testimonial-card {
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -0.2rem;
  left: 1rem;
  font-family: var(--font-heading);
  font-size: 2.4rem;
  color: var(--accent);
  opacity: 0.35;
}

.testimonial-card .quote {
  font-style: italic;
  margin-bottom: 0.9rem;
  color: var(--text-secondary);
  padding-left: 0.5rem;
  font-size: 0.95rem;
}

.testimonial-card .author {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-primary);
}

.testimonial-card .meta {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* CTA block – Material */
.cta-block {
  text-align: center;
  padding: 2.75rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--elevation-2);
}

.cta-block h2 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  margin: 0 0 0.45rem;
  color: var(--text-primary);
}

.cta-block p {
  color: var(--text-secondary);
  margin: 0 0 1.35rem;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
  font-size: 0.98rem;
}

.cta-block .btn {
  margin-top: 0;
}

/* Safe gambling */
.safe-gambling {
  background: var(--bg-secondary);
  padding: 2.75rem 1.25rem;
  border-top: 1px solid var(--border);
}

.safe-gambling .section-title {
  font-size: 1.35rem;
  margin-bottom: 0.45rem;
}

.safe-gambling-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.75rem;
}

.safe-gambling-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 58px;
  padding: 0.5rem;
  transition: opacity var(--transition), transform var(--transition);
}

.safe-gambling-links a:hover {
  opacity: 1;
  transform: scale(1.06);
  text-decoration: none;
}

.safe-gambling-links img {
  width: 100px;
  height: 58px;
  object-fit: contain;
  filter: brightness(0.97);
}

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 1.75rem 1.25rem;
}

.site-footer a {
  color: var(--text-secondary);
}

.site-footer a:hover {
  color: var(--accent);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.25rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem;
}

.footer-nav a {
  font-size: 0.88rem;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Page content (inner pages) */
.page-content {
  padding: 2.25rem 0 2.75rem;
}

.page-content h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.65rem, 4vw, 2.1rem);
  margin-bottom: 0.9rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.page-content h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin: 1.85rem 0 0.65rem;
  color: var(--text-primary);
}

.page-content p {
  margin: 0 0 0.95rem;
  color: var(--text-secondary);
}

.page-content ul {
  margin: 0 0 0.95rem;
  padding-left: 1.45rem;
  color: var(--text-secondary);
}

.page-content li {
  margin-bottom: 0.45rem;
}

.content-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.2rem;
  margin: 1.75rem 0;
}

.content-card {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--elevation-2);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.content-card:hover {
  box-shadow: var(--elevation-3);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.content-card h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin: 0 0 0.45rem;
  color: var(--gold);
}

.content-card p {
  margin: 0;
  font-size: 0.92rem;
}

.highlight-block {
  padding: 1.5rem 1.75rem;
  background: rgba(37, 99, 235, 0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 1.75rem 0;
}

.highlight-block p {
  margin: 0;
  color: var(--text-primary);
  font-size: 0.98rem;
}

/* Popup 18+ – светлый минимализм */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.popup-overlay[hidden] {
  display: none;
}

.popup-box {
  background: var(--bg-card-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 400px;
  text-align: center;
  box-shadow: var(--elevation-3);
}

.popup-box h3 {
  margin: 0 0 0.9rem;
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-size: 1.2rem;
}

.popup-box p {
  color: var(--text-secondary);
  font-size: 0.93rem;
  margin: 0;
  line-height: 1.55;
}

.popup-buttons {
  display: flex;
  gap: 0.9rem;
  justify-content: center;
  margin-top: 1.4rem;
  flex-wrap: wrap;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.45s ease forwards;
}

.section .card {
  animation: fadeInUp 0.45s ease backwards;
}

.partners-grid .card:nth-child(1) { animation-delay: 0.05s; }
.partners-grid .card:nth-child(2) { animation-delay: 0.1s; }
.partners-grid .card:nth-child(3) { animation-delay: 0.15s; }

.nav-overlay {
  display: none;
}

/* Responsive */
@media (max-width: 900px) {
  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(270px, 82vw);
    max-width: 270px;
    height: 100vh;
    height: 100dvh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: calc(var(--header-height) + 1rem) 1.2rem 1.5rem;
    transform: translateX(100%);
    transition: transform 0.3s ease, visibility 0.3s;
    z-index: 99;
    visibility: hidden;
    overflow-y: auto;
    box-shadow: -8px 0 28px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--border);
  }

  .main-nav.is-open {
    transform: translateX(0);
    visibility: visible;
  }

  .main-nav a {
    padding: 0.7rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
  }

  .main-nav a:last-child {
    border-bottom: none;
  }

  .burger-btn {
    display: flex;
    position: relative;
    z-index: 101;
  }

  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(3px);
    z-index: 98;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s;
  }

  .nav-overlay.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .site-header {
    padding: 0 1rem;
  }

  .hero {
    padding: 2.75rem 1rem 3.5rem;
  }

  .hero h1 {
    font-size: clamp(1.65rem, 5vw, 2.35rem);
  }

  .hero .hero-desc {
    font-size: 0.95rem;
  }

  .stats-strip {
    margin: -1.5rem 1rem 0;
    padding: 1.5rem 1rem;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .stat-value {
    font-size: 1.45rem;
  }

  .stat-label {
    font-size: 0.78rem;
  }

  .section {
    padding: 2.25rem 0;
  }

  .section-title {
    font-size: 1.45rem;
    padding: 0 0.5rem;
  }

  .section-subtitle {
    font-size: 0.93rem;
    margin-bottom: 1.75rem;
    padding: 0 0.5rem;
  }

  .partners-grid {
    gap: 1.2rem;
  }

  .partner-card {
    padding: 1.4rem 1.2rem;
  }

  .partner-card .partner-logo {
    width: 88px;
    height: 52px;
  }

  .steps-grid {
    gap: 1.2rem;
  }

  .step-card {
    padding-left: 2.6rem;
  }

  .step-card::before {
    width: 1.75rem;
    height: 1.75rem;
    font-size: 0.82rem;
  }

  .advantages-grid {
    gap: 1.2rem;
  }

  .testimonials-grid {
    gap: 1.2rem;
  }

  .cta-block {
    padding: 2rem 1rem;
  }

  .cta-block h2 {
    font-size: 1.3rem;
  }

  .safe-gambling {
    padding: 2rem 1rem;
  }

  .safe-gambling .section-title {
    font-size: 1.2rem;
  }

  .safe-gambling-links {
    gap: 1.2rem;
  }

  .safe-gambling-links a {
    width: 76px;
    height: 46px;
  }

  .safe-gambling-links img {
    width: 76px;
    height: 46px;
  }

  .site-footer {
    padding: 1.35rem 1rem;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 0.9rem;
  }

  .footer-nav {
    justify-content: center;
  }

  .footer-nav a {
    font-size: 0.84rem;
  }

  .page-content {
    padding: 1.75rem 0;
  }

  .page-content h1 {
    font-size: clamp(1.45rem, 4vw, 1.9rem);
  }

  .page-content h2 {
    font-size: 1.15rem;
  }

  .content-cards {
    grid-template-columns: 1fr;
    gap: 0.95rem;
  }

  .highlight-block {
    padding: 1.2rem 1rem;
  }

  .popup-box {
    margin: 1rem;
    padding: 1.5rem;
  }

  .popup-buttons {
    flex-direction: column;
  }

  .popup-buttons .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  .site-header {
    padding: 0 0.75rem;
  }

  .site-logo span {
    font-size: 1rem;
  }

  .hero {
    padding: 2.25rem 0.75rem 2.75rem;
  }

  .stats-strip {
    grid-template-columns: 1fr;
    margin: -1rem 0.75rem 0;
    padding: 1.2rem;
  }

  .section {
    padding: 1.75rem 0;
  }

  .section-title {
    font-size: 1.3rem;
  }

  .partners-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

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

  .step-card {
    padding-left: 2.2rem;
  }

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

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

  .cta-block h2 {
    font-size: 1.15rem;
  }

  .safe-gambling-links {
    gap: 1rem;
  }

  .safe-gambling-links a {
    width: 66px;
    height: 40px;
  }

  .safe-gambling-links img {
    width: 66px;
    height: 40px;
  }
}

@media (max-width: 360px) {
  .main-nav {
    width: 100%;
    max-width: none;
  }

  .hero h1 {
    font-size: 1.4rem;
  }

  .section-title {
    font-size: 1.2rem;
  }
}