:root {
  --bg: #070910;
  --panel: rgba(18, 20, 33, 0.82);
  --panel-border: rgba(152, 170, 255, 0.28);
  --text: #f5f7ff;
  --muted: #b7bfdd;
  --accent: #80a6ff;
  --accent-2: #8f6cff;
  --success: #93ffd9;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 30% 20%, #121a36 0%, #070910 45%, #030408 100%);
  overflow-x: hidden;
  touch-action: manipulation;
}

#starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.space-overlay {
  position: fixed;
  inset: -25%;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(173, 205, 255, 0.32), transparent 30%),
    radial-gradient(circle at 80% 60%, rgba(190, 145, 255, 0.28), transparent 28%),
    radial-gradient(circle at 60% 40%, rgba(110, 128, 255, 0.22), transparent 30%);
  filter: blur(26px);
  animation: nebulaDrift 18s ease-in-out infinite alternate;
}

.page {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: max(28px, env(safe-area-inset-top)) 0 max(28px, env(safe-area-inset-bottom));
}

.hero {
  text-align: center;
  margin-bottom: 28px;
}

.hero__chip {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #d7e2ff;
  padding: 8px 14px;
  border: 1px solid rgba(143, 156, 255, 0.35);
  border-radius: 999px;
  background: rgba(10, 15, 28, 0.6);
  backdrop-filter: blur(8px);
}

.hero h1 {
  margin: 16px 0 10px;
  font-size: clamp(30px, 6vw, 56px);
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0 auto;
  max-width: 740px;
  color: var(--muted);
  line-height: 1.55;
  text-wrap: balance;
}

.top-buttons {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0 auto 20px;
  max-width: 760px;
}

.top-button {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  text-align: left;
  min-height: 156px;
  padding: 18px 22px;
  border-radius: 20px;
  border: 1px solid rgba(157, 178, 255, 0.62);
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.01em;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  background: rgba(10, 14, 25, 0.86);
  box-shadow:
    0 14px 36px rgba(0, 0, 0, 0.38),
    0 0 24px rgba(119, 145, 255, 0.18),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease, border-color 0.2s ease;
  text-decoration: none;
}

.top-button::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: var(--btn-image) center/cover no-repeat;
  filter: saturate(1.1);
}

.top-button::selection {
  background: transparent;
}

.top-button::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 18% 50%, rgba(255, 255, 255, 0.08), transparent 35%),
    linear-gradient(to right, rgba(4, 8, 14, 0.34), rgba(4, 8, 14, 0.1))
      center/100% 100% no-repeat;
}

.top-button:hover,
.top-button.is-active {
  transform: translateY(-2px);
  filter: brightness(1.03);
  border-color: rgba(190, 207, 255, 0.96);
  box-shadow:
    0 14px 32px rgba(0, 0, 0, 0.42),
    0 0 18px rgba(131, 152, 255, 0.2);
}

.top-button.is-active .top-button__label {
  text-shadow: 0 0 18px rgba(164, 188, 255, 0.76);
}

.top-button__label {
  position: relative;
  z-index: 1;
  font-size: clamp(22px, 2.8vw, 31px);
  line-height: 1.12;
  text-decoration: none;
  text-shadow:
    0 2px 8px rgba(0, 0, 0, 0.72),
    0 0 1px rgba(0, 0, 0, 0.9);
}

.top-button__rtp {
  position: relative;
  z-index: 1;
  margin-top: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #deebff;
  opacity: 0.95;
  text-decoration: none;
  text-shadow:
    0 2px 7px rgba(0, 0, 0, 0.72),
    0 0 1px rgba(0, 0, 0, 0.9);
}

.offer-details {
  max-width: 760px;
  margin: 0 auto;
}

.details-card {
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  overflow: hidden;
  background: var(--panel);
  backdrop-filter: blur(10px);
  box-shadow:
    0 12px 36px rgba(0, 0, 0, 0.4),
    inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.details-card__hero {
  position: relative;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16px;
  isolation: isolate;
}

.details-card__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--hero-image) center/cover no-repeat;
  z-index: -2;
}

.details-card__hero-fade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to top, rgba(6, 9, 15, 0.18), rgba(6, 9, 15, 0.02));
}

.details-card__hero-content {
  display: none;
}

.details-card__title {
  margin: 0;
  font-size: clamp(28px, 5vw, 42px);
}

.details-card__rtp {
  margin: 7px 0 0;
  color: #e5ecff;
  letter-spacing: 0.05em;
}

.details-card__body {
  padding: 16px;
}

.details-card__description {
  margin: 0 0 10px;
  color: var(--muted);
  line-height: 1.55;
}

.details-card__activation {
  margin: 0 0 12px;
  color: #d8e2ff;
  font-size: 14px;
}

.details-card__promo-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.details-card__promo {
  flex: 1;
  min-width: 0;
  background: rgba(6, 8, 14, 0.8);
  border: 1px dashed rgba(146, 165, 255, 0.55);
  border-radius: 12px;
  padding: 9px 11px;
  color: var(--success);
}

.details-card__copy-btn,
.details-card__claim-btn {
  border: 0;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.2s ease, opacity 0.2s ease, filter 0.2s ease;
}

.details-card__copy-btn {
  padding: 9px 13px;
  background: linear-gradient(135deg, #24316d, #4f44ad);
  color: #f4f6ff;
}

.details-card__claim-btn {
  display: inline-flex;
  justify-content: center;
  width: 100%;
  padding: 12px 13px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.details-card__copy-btn:hover,
.details-card__claim-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.08);
}

.details-card__copy-btn.is-copied {
  opacity: 0.78;
}

@keyframes nebulaDrift {
  0% {
    transform: translate3d(-2%, 0, 0) scale(1);
  }
  100% {
    transform: translate3d(3%, -2%, 0) scale(1.04);
  }
}

@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

@keyframes shineMove {
  0% {
    transform: translateX(-35%);
  }
  100% {
    transform: translateX(35%);
  }
}

@media (max-width: 1000px) {
  .top-button {
    min-height: 142px;
  }
}

@media (max-width: 700px) {
  .page {
    width: min(1120px, calc(100% - 22px));
    padding-top: max(20px, env(safe-area-inset-top));
  }

  .hero {
    margin-bottom: 20px;
  }

  .hero h1 {
    margin: 8px 0 10px;
    font-size: clamp(28px, 8.8vw, 40px);
    line-height: 1.1;
  }

  .hero p {
    font-size: 14px;
    line-height: 1.45;
  }

  .top-buttons {
    gap: 10px;
    margin-bottom: 14px;
  }

  .top-button {
    min-height: 114px;
    padding: 14px 16px;
    border-radius: 16px;
  }

  .top-button__label {
    font-size: clamp(20px, 7.2vw, 28px);
  }

  .top-button__rtp {
    margin-top: 6px;
    font-size: 12px;
  }

  .details-card {
    border-radius: 18px;
  }

  .details-card__hero {
    min-height: 170px;
    padding: 10px;
  }

  .details-card__body {
    padding: 14px;
  }

  .details-card__description {
    font-size: 14px;
    line-height: 1.45;
  }

  .details-card__activation,
  .details-card__list {
    font-size: 13px;
    line-height: 1.4;
  }

  .details-card__list {
    margin: 0 0 12px;
    padding-left: 18px;
  }

  .details-card__promo-row {
    flex-direction: column;
    align-items: stretch;
    margin-bottom: 12px;
  }

  .details-card__copy-btn,
  .details-card__claim-btn {
    min-height: 44px;
    font-size: 15px;
  }
}

@media (max-width: 360px) {
  .page {
    width: calc(100% - 14px);
    padding-top: max(14px, env(safe-area-inset-top));
    padding-bottom: max(16px, env(safe-area-inset-bottom));
  }

  .hero h1 {
    font-size: clamp(24px, 9.5vw, 32px);
    margin: 6px 0 8px;
  }

  .hero p {
    font-size: 13px;
    line-height: 1.4;
  }

  .top-buttons {
    gap: 8px;
    margin-bottom: 12px;
  }

  .top-button {
    min-height: 96px;
    padding: 11px 12px;
    border-radius: 14px;
  }

  .top-button__label {
    font-size: clamp(18px, 7.5vw, 24px);
    line-height: 1.08;
  }

  .top-button__rtp {
    margin-top: 4px;
    font-size: 11px;
    letter-spacing: 0.04em;
  }

  .details-card {
    border-radius: 14px;
  }

  .details-card__hero {
    min-height: 140px;
    padding: 8px;
  }

  .details-card__body {
    padding: 11px;
  }

  .details-card__description,
  .details-card__activation,
  .details-card__list {
    font-size: 12px;
    line-height: 1.35;
  }

  .details-card__list {
    padding-left: 16px;
    margin-bottom: 10px;
  }

  .details-card__promo {
    font-size: 12px;
    padding: 8px 9px;
  }

  .details-card__copy-btn,
  .details-card__claim-btn {
    min-height: 42px;
    font-size: 14px;
    padding: 10px 11px;
  }
}