:root {
  --color-bg: #16222E;
  --color-bg-alt: #1D2C3B;
  --color-card: #253649;
  --color-accent: #7DE3C3;
  --color-accent-hover: #A6F0D9;
  --color-secondary: #F2B33D;
  --color-text: #EEF3F6;
  --color-muted: #8FA3B4;
  --color-border: #2C4152;
  --shadow-soft: 0 18px 44px rgba(5, 12, 19, 0.45);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 {
  line-height: 1.25;
  margin: 0 0 14px;
  font-weight: 700;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: 0.2px;
}

h2::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-right: 12px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
  border-radius: 3px;
  transform: rotate(45deg);
  vertical-align: middle;
}

h3 {
  font-size: 1.2rem;
}

p {
  margin: 0 0 12px;
}

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

.section-sub {
  color: var(--color-muted);
  max-width: 640px;
  margin-bottom: 26px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 999px;
  border: 1.5px solid transparent;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.btn:focus-visible,
summary:focus-visible,
.tab:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

.btn-accent {
  background: var(--color-accent);
  color: #10231D;
}

.btn-accent:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.btn-ghost {
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-outline {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-outline:hover {
  background: rgba(125, 227, 195, 0.12);
}

.btn-lg {
  padding: 14px 30px;
  font-size: 1.02rem;
}

.btn-block {
  width: 100%;
}

.btn-play {
  padding: 8px 16px;
  font-size: 0.88rem;
  background: rgba(125, 227, 195, 0.14);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-play:hover {
  background: var(--color-accent);
  color: #10231D;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(22, 34, 46, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 26px;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.brand img {
  border-radius: 9px;
  background: var(--color-card);
}

.main-nav {
  display: flex;
  gap: 22px;
  margin-right: auto;
}

.main-nav a {
  color: var(--color-muted);
  font-weight: 500;
  transition: color 0.2s ease;
}

.main-nav a:hover {
  color: var(--color-accent);
}

.header-actions {
  display: flex;
  gap: 10px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 66px 0 78px;
  background:
    linear-gradient(155deg, rgba(22, 34, 46, 0.96) 0%, rgba(22, 34, 46, 0.86) 45%, rgba(29, 44, 59, 0.93) 100%),
    url("../img/banners/hero-main.webp") center 35% / cover no-repeat,
    linear-gradient(160deg, #1D2C3B, #16222E);
  border-bottom: 1px solid var(--color-border);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 54px;
  align-items: center;
}

.hero-media {
  position: relative;
}

.frost-machine {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.hero-chip {
  position: absolute;
  background: rgba(29, 44, 59, 0.94);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(6px);
}

.hero-chip-a {
  top: 18px;
  right: -8px;
  border-color: rgba(125, 227, 195, 0.5);
}

.hero-chip-b {
  bottom: 22px;
  left: -10px;
}

.chip-label {
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.chip-value {
  margin: 2px 0 0;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.hero-eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: rgba(37, 54, 73, 0.65);
  color: var(--color-accent);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  margin-bottom: 16px;
}

.hero-sub {
  color: var(--color-muted);
  font-size: 1.06rem;
  max-width: 520px;
  margin-bottom: 26px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.hero-pluses {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.hero-pluses li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text);
  font-size: 0.96rem;
}

.hero-pluses svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.slots {
  padding: 74px 0;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.tab {
  padding: 9px 22px;
  border-radius: 999px;
  border: 1.5px solid var(--color-border);
  background: transparent;
  color: var(--color-muted);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.tab.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #10231D;
}

.slots-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.slot-card {
  display: flex;
  flex-direction: column;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.slot-card:hover {
  transform: translateY(-4px);
  border-color: rgba(125, 227, 195, 0.55);
  box-shadow: var(--shadow-soft);
}

.slot-card.is-hidden {
  display: none;
}

.slot-card img {
  width: 100%;
  height: 185px;
  object-fit: cover;
  object-position: center;
  background: var(--color-bg-alt);
}

.slot-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px 16px;
}

.slot-name {
  margin: 0;
  font-weight: 600;
  font-size: 0.98rem;
  min-height: 2.6em;
}

.slot-provider {
  margin: 0 0 10px;
  color: var(--color-muted);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.jackpot {
  padding: 74px 0;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.jackpot-panel {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 42px 34px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background:
    linear-gradient(180deg, rgba(22, 34, 46, 0.93), rgba(22, 34, 46, 0.97)),
    url("../img/banners/jackpot-bg.webp") center / cover no-repeat,
    var(--color-card);
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.jackpot-label {
  margin-bottom: 6px;
  color: var(--color-muted);
  font-size: 0.84rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.jackpot-sum {
  margin: 0 0 24px;
  font-size: clamp(2.1rem, 5.4vw, 3.2rem);
  font-weight: 800;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 26px rgba(125, 227, 195, 0.4);
}

.jackpot-currency {
  margin-left: 10px;
  font-size: 0.55em;
  color: var(--color-secondary);
}

.jackpot-progress {
  margin-bottom: 26px;
}

.jackpot-bar {
  height: 14px;
  border-radius: 999px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.jackpot-bar-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-accent), var(--color-secondary));
  transition: width 0.9s ease;
}

.jackpot-note {
  margin: 10px 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}

.jackpot-pools {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.pool {
  padding: 14px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: rgba(22, 34, 46, 0.6);
}

.pool-name {
  margin: 0 0 4px;
  color: var(--color-muted);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pool-sum {
  margin: 0;
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.advantages {
  padding: 74px 0;
}

.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.adv-card {
  padding: 24px 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-card);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.adv-card:hover {
  border-color: rgba(125, 227, 195, 0.5);
  transform: translateY(-3px);
}

.adv-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 14px;
  border-radius: 14px;
  background: rgba(125, 227, 195, 0.12);
}

.adv-icon svg {
  width: 26px;
  height: 26px;
}

.adv-title {
  margin: 0 0 8px;
  font-weight: 700;
  font-size: 1.04rem;
}

.adv-text {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.bonuses {
  padding: 74px 0;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.bonus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.bonus-card {
  display: flex;
  flex-direction: column;
  padding: 26px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-card);
}

.bonus-card-main {
  border-color: rgba(125, 227, 195, 0.6);
  background: linear-gradient(170deg, rgba(125, 227, 195, 0.12), var(--color-card) 55%);
}

.bonus-tag {
  margin: 0 0 10px;
  color: var(--color-secondary);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.bonus-title {
  margin: 0 0 6px;
  font-weight: 700;
  font-size: 1.18rem;
}

.bonus-value {
  margin: 0 0 12px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-accent);
}

.bonus-text {
  margin: 0 0 20px;
  color: var(--color-muted);
  font-size: 0.94rem;
  flex-grow: 1;
}

.about {
  padding: 74px 0;
}

.about-inner {
  max-width: 860px;
}

.about p {
  color: var(--color-muted);
}

.about h3 {
  margin-top: 30px;
  padding-left: 16px;
  border-left: 3px solid var(--color-accent);
}

.steps,
.formats {
  margin: 6px 0 18px;
  padding-left: 22px;
  color: var(--color-muted);
}

.steps li,
.formats li {
  margin-bottom: 8px;
}

.steps {
  counter-reset: step;
}

.faq {
  padding: 74px 0;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 820px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-card);
  padding: 4px 20px;
  transition: border-color 0.2s ease;
}

.faq-item[open] {
  border-color: rgba(125, 227, 195, 0.55);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 0;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
  font-size: 1.05rem;
  font-weight: 500;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  background: var(--color-accent);
  color: #10231D;
}

.faq-item p {
  margin: 0;
  padding: 0 46px 16px 0;
  color: var(--color-muted);
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: #131C26;
  padding: 44px 0 34px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.8fr 1.1fr;
  gap: 34px;
  align-items: start;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.footer-brand img {
  border-radius: 8px;
  background: var(--color-card);
}

.footer-brand p {
  margin: 4px 0 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-nav a {
  color: var(--color-muted);
  font-size: 0.94rem;
}

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

.footer-info p {
  margin: 0 0 8px;
  color: var(--color-muted);
  font-size: 0.88rem;
}

@media (max-width: 1020px) {
  .slots-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .adv-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bonus-grid {
    grid-template-columns: 1fr;
    max-width: 520px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-media {
    max-width: 560px;
  }

  .hero-copy {
    order: -1;
  }

  .hero-chip-a {
    right: 6px;
  }

  .hero-chip-b {
    left: 6px;
  }
}

@media (max-width: 820px) {
  .main-nav {
    display: none;
  }

  .header-inner {
    gap: 14px;
  }

  .header-actions {
    margin-left: auto;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 26px;
  }
}

@media (max-width: 560px) {
  .slots-grid,
  .adv-grid {
    grid-template-columns: 1fr;
  }

  .jackpot-panel {
    padding: 30px 18px 26px;
  }

  .jackpot-pools {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 46px 0 56px;
  }

  .hero-chip {
    padding: 8px 12px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .btn-lg {
    padding: 13px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn,
  .slot-card,
  .adv-card,
  .jackpot-bar-fill,
  .faq-item summary::after {
    transition: none;
  }
}