:root {
  --sei-bg: #0a1628;
  --sei-surface: #111f36;
  --sei-card: #152a45;
  --sei-accent: #16a34a;
  --sei-accent-dim: #15803d;
  --sei-gold: #eab308;
  --sei-text: #e8eef6;
  --sei-muted: #94a3b8;
  --sei-border: rgba(148, 163, 184, 0.2);
  --sei-radius: 12px;
  --sei-font: "Mulish", sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--sei-font);
  font-weight: 400;
  color: var(--sei-text);
  background: radial-gradient(1200px 600px at 10% -10%, rgba(22, 163, 74, 0.15), transparent),
    radial-gradient(900px 500px at 100% 0%, rgba(234, 179, 8, 0.08), transparent), var(--sei-bg);
  line-height: 1.55;
  overflow-x: hidden;
}

@media (max-width: 768px) {
  html.sei-nav-open,
  body.sei-nav-open {
    overflow: hidden;
  }
}

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

a {
  color: var(--sei-gold);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: #fde047;
}

.sei-nav__list a {
  color: var(--sei-muted);
  text-decoration: none;
}

.sei-nav__list a:hover {
  color: var(--sei-text);
}

.sei-wrap {
  width: 100%;
  max-width: 1120px;
  padding-inline: 16px;
  margin-inline: auto;
}

.sei-top {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 22, 40, 0.98);
  border-bottom: 1px solid var(--sei-border);
  backdrop-filter: blur(10px);
}

.sei-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 997;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.sei-menu-overlay.is-visible {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

.sei-top__bar {
  position: relative;
  z-index: 1001;
  display: flex;
  align-items: center;
  gap: 20px 32px;
  padding: 12px 10px;
  min-height: 56px;
}

.sei-top .sei-wrap {
  max-width: none;
}

.sei-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--sei-text);
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  flex: 0 0 auto;
}

.sei-logo:hover {
  color: var(--sei-text);
}

.sei-logo img {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.sei-nav-panel {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
}

.sei-nav-panel__actions {
  display: none;
}

.sei-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 28px;
}

.sei-nav__list li {
  margin: 0;
}

.sei-nav__list a {
  display: block;
  padding: 8px 4px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 8px;
}

.sei-nav__list a:hover {
  color: var(--sei-text);
  background: rgba(255, 255, 255, 0.06);
}

.sei-page--home .sei-nav__list a[href="index.html"],
.sei-page--bonuses .sei-nav__list a[href="bonuses.html"],
.sei-page--casino .sei-nav__list a[href="casino.html"],
.sei-page--payments .sei-nav__list a[href="payments.html"],
.sei-page--rg .sei-nav__list a[href="responsible-gambling.html"],
.sei-page--gr .sei-nav__list a[href="game-rules.html"],
.sei-page--contact .sei-nav__list a[href="contact-us.html"],
.sei-page--about .sei-nav__list a[href="about-us.html"] {
  color: var(--sei-text);
  background: rgba(234, 179, 8, 0.12);
}

.sei-top__actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: nowrap;
}

.sei-burger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 22px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}

.sei-burger span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--sei-muted);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.sei-burger.is-active span:nth-child(1) {
  transform: translateY(9.5px) rotate(45deg);
}

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

.sei-burger.is-active span:nth-child(3) {
  transform: translateY(-9.5px) rotate(-45deg);
}

@media (max-width: 768px) {
  .sei-menu-overlay {
    display: block;
  }

  .sei-top__bar {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    gap: 12px 16px;
  }

  .sei-nav-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: min(280px, 82vw);
    height: 100vh;
    max-height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    background: var(--sei-surface);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.45);
    padding: 88px 0 20px;
    transform: translateX(100%);
    transition: transform 0.28s ease;
    z-index: 998;
    overflow-y: auto;
    pointer-events: none;
  }

  .sei-nav-panel.is-open {
    transform: translateX(0);
    pointer-events: auto;
  }

  .sei-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .sei-nav__list li {
    border-bottom: 1px solid var(--sei-border);
  }

  .sei-nav__list a {
    padding: 18px 22px;
    border-radius: 0;
  }

  .sei-nav-panel__actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px 22px 0;
  }

  .sei-nav-panel__actions .sei-btn {
    width: 100%;
  }

  .sei-page--home .sei-nav__list a[href="index.html"],
  .sei-page--bonuses .sei-nav__list a[href="bonuses.html"],
  .sei-page--casino .sei-nav__list a[href="casino.html"],
  .sei-page--payments .sei-nav__list a[href="payments.html"],
  .sei-page--rg .sei-nav__list a[href="responsible-gambling.html"],
  .sei-page--gr .sei-nav__list a[href="game-rules.html"],
  .sei-page--contact .sei-nav__list a[href="contact-us.html"],
  .sei-page--about .sei-nav__list a[href="about-us.html"] {
    background: rgba(234, 179, 8, 0.08);
  }

  .sei-burger {
    display: flex;
    margin-left: 10px;
    z-index: 1002;
    position: relative;
  }

  .sei-top__actions {
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 8px;
    flex-shrink: 0;
  }

  .sei-top__actions .sei-btn {
    display: none;
  }

  .sei-top__actions .sei-btn--sm {
    min-height: 38px;
    padding: 0 12px;
    font-size: 12px;
  }
}

@media (min-width: 769px) {
  .sei-nav-panel.is-open {
    transform: none;
  }
}

.sei-hero {
  padding: 0 0 40px;
}

.sei-hero__banner {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin: 0;
  overflow: clip;
  border-bottom: 1px solid var(--sei-border);
}

.sei-hero__banner img {
  width: 100%;
  height: min(52vh, 560px);
  object-fit: cover;
  object-position: center;
}

.sei-hero__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
}

.sei-hero__content {
  max-width: 620px;
  background: rgba(10, 22, 40, 0.76);
  border: 1px solid var(--sei-border);
  border-radius: var(--sei-radius);
  padding: 24px;
}

.sei-hero__banner.is-placeholder {
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--sei-card), var(--sei-surface));
}

.sei-hero__banner.is-placeholder picture {
  display: none;
}

.sei-hero__banner.is-placeholder::after {
  content: "";
  width: min(40%, 200px);
  aspect-ratio: 16 / 9;
  border: 2px dashed var(--sei-border);
  border-radius: 10px;
  opacity: 0.55;
}

.sei-hero__grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: stretch;
}

@media (max-width: 768px) {
  .sei-hero__overlay {
    align-items: flex-end;
  }

  .sei-hero__content {
    margin-bottom: 20px;
    padding: 16px;
  }
}

@media (min-width: 880px) {
  .sei-hero__grid {
    flex-direction: row;
    align-items: center;
  }

  .sei-hero__grid > *:first-child {
    flex: 1.1 1 0;
    min-width: 0;
  }

  .sei-hero__grid > *:last-child {
    flex: 0.9 1 0;
    min-width: 0;
  }
}

.sei-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sei-accent);
  margin: 0 0 10px;
}

.sei-h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 16px;
}

.sei-lead {
  font-size: 18px;
  color: var(--sei-muted);
  margin: 0 0 24px;
  max-width: 52ch;
}

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

.sei-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 10px;
  font-family: var(--sei-font);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.sei-btn--sm {
  min-height: 40px;
  padding: 0 16px;
  font-size: 13px;
}

.sei-btn--primary {
  background: linear-gradient(180deg, var(--sei-accent), var(--sei-accent-dim));
  color: #fff;
}

.sei-btn--primary:hover {
  filter: brightness(1.06);
  color: #fff;
}

.sei-btn--success {
  background: linear-gradient(180deg, #27c56f, #1e9b57);
  color: #fff;
}

.sei-btn--success:hover {
  background: linear-gradient(180deg, #2ed47a, #24ad61);
  color: #fff;
}

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

.sei-btn--ghost:hover {
  border-color: var(--sei-muted);
  color: #fff;
}

.sei-panel {
  background: linear-gradient(145deg, var(--sei-card), var(--sei-surface));
  border: 1px solid var(--sei-border);
  border-radius: var(--sei-radius);
  padding: 22px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.sei-panel h2 {
  margin-top: 0;
}

.sei-section {
  padding: 44px 0;
}

.sei-section h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 14px;
}

.sei-section h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 22px 0 10px;
}

.sei-section p {
  margin: 0 0 12px;
  color: var(--sei-muted);
  max-width: 72ch;
}

.sei-section ul {
  margin: 0 0 12px;
  padding-left: 1.2rem;
  color: var(--sei-muted);
}

.sei-section li {
  margin-bottom: 6px;
}

.sei-section table {
  width: 100%;
  margin: 14px 0 0;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--sei-border);
  border-radius: 14px;
  overflow: hidden;
  background: rgba(17, 31, 54, 0.5);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

.sei-section th,
.sei-section td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sei-section th {
  background: linear-gradient(180deg, rgba(83, 209, 255, 0.2), rgba(83, 209, 255, 0.1));
  color: var(--sei-text);
  font-weight: 700;
}

.sei-section td {
  color: var(--sei-muted);
}

.sei-section tbody tr:nth-child(even) td {
  background: rgba(255, 255, 255, 0.02);
}

.sei-section tbody tr:last-child td {
  border-bottom: 0;
}

.sei-section__foot {
  margin-top: 20px;
}

.sei-grid2 {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sei-game-row {
  margin-top: 18px;
  display: flex;
  gap: 16px;
  align-items: stretch;
  padding: 14px;
  border: 1px solid var(--sei-border);
  border-radius: var(--sei-radius);
  background: rgba(17, 31, 54, 0.5);
}

.sei-game-row__media {
  margin: 0;
  flex: 0 0 38%;
}

.sei-game-row__media img {
  width: 100%;
  height: 100%;
  min-height: 180px;
  border-radius: 10px;
  border: 1px solid var(--sei-border);
  object-fit: cover;
}

.sei-game-row__content {
  flex: 1 1 auto;
  min-width: 0;
}

.sei-game-row__content h3 {
  margin: 0 0 8px;
}

.sei-game-row__content p:last-child {
  margin-bottom: 0;
}

@media (min-width: 720px) {
  .sei-grid2 {
    flex-flow: row wrap;
  }

  .sei-grid2 > * {
    flex: 1 1 calc(50% - 9px);
    max-width: calc(50% - 9px);
    min-width: 0;
  }

  .sei-grid2--providers {
    flex-direction: column;
  }

  .sei-grid2--providers > * {
    flex: 1 1 100%;
    max-width: 100%;
  }
}

@media (max-width: 820px) {
  .sei-game-row {
    flex-direction: column;
  }

  .sei-game-row__media {
    flex-basis: auto;
  }

  .sei-game-row__media img {
    min-height: 180px;
  }
}

.sei-card {
  background: var(--sei-card);
  border: 1px solid var(--sei-border);
  border-radius: var(--sei-radius);
  padding: 18px 18px 16px;
}

.sei-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.sei-card > img {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--sei-border);
  margin: 0 0 12px;
  object-fit: cover;
}

.sei-card--bonus {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.sei-card--bonus__text {
  flex: 1 1 auto;
  min-width: 0;
}

.sei-card--bonus > img {
  width: 170px;
  height: 110px;
  margin: 0;
  flex: 0 0 auto;
}

.sei-card--provider {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sei-card--provider > img {
  width: 220px;
  height: 120px;
  margin: 0;
  flex: 0 0 auto;
  object-fit: contain;
  background: rgba(10, 22, 40, 0.35);
}

.sei-card--provider__text {
  flex: 1 1 auto;
  min-width: 0;
}

.sei-card--provider__text h3 {
  margin-top: 0;
}

.sei-card p {
  margin: 0;
  font-size: 14px;
}

.sei-auth-grid {
  margin-top: 16px;
}

.sei-auth-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-width: 1px;
}

.sei-auth-card--register {
  background: linear-gradient(160deg, rgba(56, 162, 255, 0.24), rgba(21, 42, 69, 0.85));
  border-color: rgba(83, 209, 255, 0.45);
}

.sei-auth-card--login {
  background: linear-gradient(160deg, rgba(123, 92, 255, 0.2), rgba(21, 42, 69, 0.85));
  border-color: rgba(160, 138, 255, 0.45);
}

.sei-auth-card h3 {
  margin: 0;
}

.sei-auth-card p {
  margin: 0;
  color: rgba(226, 236, 255, 0.88);
}

.sei-auth-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: rgba(226, 236, 255, 0.92);
}

.sei-auth-card li {
  margin-bottom: 8px;
}

.sei-auth-card .sei-btn {
  align-self: flex-start;
  margin-top: auto;
}

.sei-reviews {
  margin-top: 18px;
  display: flex;
  flex-wrap: nowrap;
  gap: 14px;
  transition: transform 0.35s ease;
  will-change: transform;
}

.sei-reviews-slider {
  margin-top: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sei-reviews-slider__viewport {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.sei-reviews-slider__nav {
  width: 34px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--sei-border);
  background: var(--sei-surface);
  color: var(--sei-text);
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
}

.sei-reviews-slider__nav:hover {
  border-color: var(--sei-gold);
  color: var(--sei-gold);
}

.sei-reviews-slider__dots {
  margin-top: 12px;
  display: flex;
  justify-content: center;
  gap: 8px;
}

.sei-reviews-slider__dot {
  width: 8px;
  height: 8px;
  border: 0;
  border-radius: 50%;
  background: #5c6f91;
  cursor: pointer;
}

.sei-reviews-slider__dot.is-active {
  background: var(--sei-gold);
  transform: scale(1.2);
}

.sei-rating-box {
  margin-top: 16px;
  max-width: 740px;
  padding: 16px;
  border: 1px solid var(--sei-border);
  border-radius: var(--sei-radius);
  background: linear-gradient(145deg, rgba(21, 42, 69, 0.8), rgba(17, 31, 54, 0.95));
}

.sei-rating-box__title {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--sei-muted);
}

.sei-rating-box__score {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--sei-gold);
}

.sei-rating-box__count {
  color: var(--sei-muted);
  font-size: 13px;
}

.sei-rating-bars {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.sei-rating-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--sei-muted);
}

.sei-rating-row > span:first-child {
  width: 30px;
  text-align: right;
}

.sei-rating-row > span:last-child {
  width: 32px;
}

.sei-rating-bar {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  background: rgba(148, 163, 184, 0.22);
}

.sei-rating-bar__fill {
  height: 100%;
  border-radius: 4px;
  background: var(--sei-gold);
}

.sei-rating-bar__fill--mid {
  background: #90a2c0;
}

.sei-rating-bar__fill--low {
  background: #5c6f91;
}

.sei-review {
  flex: 0 0 calc((100% - 28px) / 3);
  background: var(--sei-card);
  border: 1px solid var(--sei-border);
  border-radius: var(--sei-radius);
  padding: 14px 16px;
}

.sei-review__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.sei-review h3 {
  margin: 0;
  font-size: 16px;
}

.sei-review__stars {
  margin: 0;
  color: var(--sei-gold);
  font-size: 14px;
  letter-spacing: 0.04em;
}

.sei-review p {
  margin: 0;
  font-size: 14px;
  max-width: none;
}

@media (max-width: 960px) {
  .sei-review {
    flex-basis: calc((100% - 14px) / 2);
  }
}

@media (max-width: 680px) {
  .sei-review {
    flex-basis: 100%;
  }

  .sei-reviews-slider__nav {
    width: 30px;
    height: 38px;
  }

  .sei-card--bonus {
    flex-direction: column;
    align-items: flex-start;
  }

  .sei-card--bonus > img {
    width: 100%;
    height: auto;
  }

  .sei-card--provider {
    flex-direction: column;
    align-items: flex-start;
  }

  .sei-card--provider > img {
    width: 100%;
    height: auto;
  }
}

.sei-faq__item {
  border: 1px solid var(--sei-border);
  border-radius: 10px;
  margin-bottom: 10px;
  background: var(--sei-surface);
  overflow: hidden;
}

.sei-faq__toggle {
  width: 100%;
  text-align: left;
  padding: 14px 44px 14px 14px;
  font-family: var(--sei-font);
  font-size: 15px;
  font-weight: 700;
  color: var(--sei-text);
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
}

.sei-faq__toggle::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--sei-muted);
  border-bottom: 2px solid var(--sei-muted);
  transform: translateY(-60%) rotate(45deg);
  transition: transform 0.2s ease;
}

.sei-faq__item.is-open .sei-faq__toggle {
  color: var(--sei-gold);
}

.sei-faq__item.is-open .sei-faq__toggle::after {
  transform: translateY(-20%) rotate(225deg);
}

.sei-faq__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.sei-faq__item.is-open .sei-faq__panel {
  max-height: 1200px;
}

.sei-faq__panel-inner {
  padding: 0 14px 14px;
  font-size: 14px;
  color: var(--sei-muted);
}

.sei-faq__panel-inner p {
  margin: 0;
  max-width: none;
}

.sei-foot {
  margin-top: 56px;
  padding: 32px 0 40px;
  border-top: 1px solid var(--sei-border);
  font-size: 14px;
  color: var(--sei-muted);
}

.sei-foot__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.sei-foot__brand a {
  text-decoration: none;
  color: var(--sei-text);
  font-weight: 700;
  font-size: 17px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sei-foot__brand img {
  width: 44px;
  height: 44px;
}

.sei-foot__pay {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  margin-bottom: 20px;
}

.sei-foot__pay img {
  height: 28px;
  width: auto;
  opacity: 0.92;
}

.sei-foot__social {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
}

.sei-foot__social a {
  display: flex;
  padding: 8px;
  border-radius: 10px;
  background: var(--sei-card);
  border: 1px solid var(--sei-border);
  line-height: 0;
}

.sei-foot__social a:hover {
  border-color: var(--sei-muted);
}

.sei-foot__social img {
  width: 22px;
  height: 22px;
}

.sei-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: 12px;
}

.sei-foot__links a {
  color: var(--sei-muted);
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
}

.sei-foot__links a:hover {
  color: var(--sei-text);
}

.sei-foot__mandatory {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 16px;
  padding-top: 4px;
}

.sei-foot__mandatory a {
  color: var(--sei-text);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
}

.sei-foot__mandatory a:hover {
  text-decoration: underline;
}

.sei-h4 {
  font-size: 15px;
  font-weight: 700;
  margin: 18px 0 8px;
}