:root {
  --sda-bg-1: #f0f4f8; /* light blue-gray */
  --sda-bg-2: #e0e7ff; /* soft indigo */
  --sda-accent: #2563eb; /* vibrant blue */
  --sda-accent-2: #16a34a; /* fresh green */
  --sda-danger: #dc2626; /* red danger */
  --sda-text: #1e40af; /* deep blue */
  --sda-text-dim: #64748b;
  --sda-card: rgba(255, 255, 255, 0.9);
  --sda-stroke: rgba(0, 0, 0, 0.08);
  --sda-glow: 0 4px 6px rgba(37, 99, 235, 0.1);

  --sda-radius: 12px;
  --sda-radius-lg: 18px;
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: "Montserrat", system-ui, -apple-system, Segoe UI, Roboto, Arial,
    sans-serif;
  color: var(--sda-text);
  background: radial-gradient(
      1000px 600px at 20% 20%,
      #e0e7ff 0%,
      rgba(224, 231, 255, 0) 50%
    ),
    radial-gradient(
      1000px 600px at 80% 0%,
      #d1fae5 0%,
      rgba(209, 250, 229, 0) 50%
    ),
    linear-gradient(180deg, var(--sda-bg-1), var(--sda-bg-2));
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
.u-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  border: 0;
  padding: 0;
  clip: rect(0 0 0 0);
  overflow: hidden;
}

/* Header */
.sda-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: rgba(240, 244, 248, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--sda-stroke);
}
.sda-header__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.sda-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.sda-logo__icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--sda-accent), #60a5fa);
  display: grid;
  place-items: center;
  box-shadow: var(--sda-glow);
}
.sda-logo__icon svg {
  width: 28px;
  height: 28px;
  fill: #fff;
}
.sda-logo__title {
  font-family: "Playfair Display", serif;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.sda-menu {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}
.sda-menu__item {
  font-weight: 600;
  font-size: 1rem;
  opacity: 0.85;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: color 0.2s ease;
}
.sda-menu__item:hover {
  color: var(--sda-accent);
  opacity: 1;
}

.sda-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
}
.sda-toggle span {
  width: 30px;
  height: 3px;
  background: var(--sda-text);
  transition: 0.3s;
}
.sda-toggle--open span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.sda-toggle--open span:nth-child(2) {
  opacity: 0;
}
.sda-toggle--open span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Hero */
.sda-hero {
  padding: 9rem 1.5rem 3rem;
  position: relative;
  animation: fadeIn 0.8s ease-out;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.sda-hero__layout {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 2.5rem;
  align-items: center;
}
.sda-hero__heading {
  font-family: "Playfair Display", serif;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.15;
  margin: 0 0 1.2rem;
}
.sda-hero__heading .highlight {
  color: var(--sda-accent);
}
.sda-hero__description {
  color: var(--sda-text-dim);
  font-size: 1.15rem;
  margin-bottom: 1.8rem;
}

.sda-action {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  background: linear-gradient(135deg, var(--sda-accent), #3b82f6);
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
  padding: 1rem 1.5rem;
  box-shadow: var(--sda-glow);
  transition: transform 0.2s ease;
}
.sda-action:hover {
  transform: scale(1.05);
}

.sda-tags {
  margin-top: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.sda-tag {
  border: 1px solid var(--sda-stroke);
  background: var(--sda-card);
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  font-size: 0.95rem;
}

.sda-hero__visual {
  position: relative;
  isolation: isolate;
  height: 340px;
  border-radius: var(--sda-radius-lg);
  background: radial-gradient(
      500px 200px at 60% 30%,
      rgba(37, 99, 235, 0.15),
      transparent 50%
    ),
    linear-gradient(135deg, rgba(22, 163, 74, 0.1), rgba(255, 255, 255, 0)),
    url("../img/caslt.webp") no-repeat center/cover;
  border: 1px solid var(--sda-stroke);
  overflow: hidden;
}
.sda-hero__elements {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.element {
  position: absolute;
  filter: drop-shadow(0 8px 12px rgba(0, 0, 0, 0.3));
  opacity: 0.85;
  animation: bob 6s ease-in-out infinite;
}
.element--coin {
  top: 20%;
  left: 15%;
  width: 85px;
  animation-delay: 0.3s;
}
.element--card {
  bottom: 10%;
  right: 18%;
  width: 75px;
  animation-delay: 1.2s;
}
.element--sport {
  top: 45%;
  left: 58%;
  width: 65px;
  animation-delay: 0.7s;
}
@keyframes bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

/* Benefits */
.sda-benefits {
  padding: 1.5rem 1.5rem 0;
}
.sda-benefits__layout {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}
.benefit {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem;
  background: var(--sda-card);
  border: 1px solid var(--sda-stroke);
  border-radius: var(--sda-radius);
  transition: transform 0.2s ease;
}
.benefit:hover {
  transform: scale(1.02);
}
.benefit__symbol {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
}
.benefit__label {
  font-weight: 600;
  font-size: 1rem;
}

/* Promotions */
.sda-promos {
  padding: 3.5rem 1.5rem;
}
.sda-promos__layout {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.6rem;
}
.promo {
  position: relative;
  background: var(--sda-card);
  border: 1px solid var(--sda-stroke);
  border-radius: var(--sda-radius-lg);
  padding: 1.4rem;
  display: grid;
  gap: 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.promo:hover {
  transform: translateY(-8px);
  box-shadow: var(--sda-glow);
}
.promo--highlight {
  border: 2px solid var(--sda-accent-2);
}
.promo__brand {
  height: 80px;
  width: 210px;
  object-fit: contain;
  margin: 0.3rem auto 0.5rem;
  background: var(--sda-accent);
  padding: 1rem;
  border-radius: 12px;
}
.promo__score {
  width: 100px;
  margin: 0 auto;
}
.promo__info {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 600;
}
.promo__info span {
  color: var(--sda-accent-2);
  display: block;
  margin-bottom: 0.2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.promo__button {
  display: inline-block;
  text-align: center;
  padding: 1rem 1.2rem;
  border-radius: 12px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--sda-accent-2), #4ade80);
  color: #fff;
  transition: transform 0.2s ease;
}
.promo__button:hover {
  transform: scale(1.05);
}
.promo__methods {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.3rem;
}
.promo__methods img {
  width: 32px;
  height: 22px;
  object-fit: contain;
  background-color: var(--sda-accent);
}

/* Guidance */
.sda-guidance {
  padding: 1.5rem 1.5rem 3.5rem;
}
.sda-guidance__panel {
  max-width: 950px;
  margin: 0 auto;
  text-align: center;
  background: var(--sda-card);
  border: 1px solid var(--sda-stroke);
  border-radius: var(--sda-radius-lg);
  padding: 2rem;
}
.sda-intro {
  color: var(--sda-text-dim);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.sda-main-heading {
  font-family: "Playfair Display", serif;
  font-size: clamp(1.5rem, 4vw, 2.6rem);
  margin: 0.6rem 0 1.2rem;
  color: var(--sda-accent-2);
}
.sda-paragraph {
  color: var(--sda-text-dim);
  font-size: 1.05rem;
}
.sda-secondary-button {
  margin-top: 1.2rem;
  display: inline-block;
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  border: 1px solid var(--sda-stroke);
  background: transparent;
  font-weight: 700;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.sda-secondary-button:hover {
  border-color: var(--sda-accent);
  color: var(--sda-accent);
}

/* Responsible Gaming */
.sda-responsible {
  padding: 2.5rem 1.5rem;
}
.sda-responsible__list {
  max-width: 1150px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.2rem 1.6rem;
}
.sda-responsible__list img {
  height: 70px;
  object-fit: contain;
  filter: grayscale(0.2);
  opacity: 0.85;
  background: var(--sda-accent);
  padding: 1rem;
  border-radius: 12px;
}

/* Feedback */
.sda-feedback {
  padding: 3.5rem 2rem;
}
.sda-feedback__heading {
  text-align: center;
  font-family: "Playfair Display", serif;
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  color: var(--sda-accent);
  margin-bottom: 1.4rem;
}
.sda-feedback__layout {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.4rem;
}
.feedback-item {
  background: var(--sda-card);
  border: 1px solid var(--sda-stroke);
  border-radius: var(--sda-radius);
  padding: 1.2rem;
  transition: transform 0.2s ease;
}
.feedback-item:hover {
  transform: translateY(-5px);
}
.feedback-item__top {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: center;
  gap: 1rem;
}
.feedback-item__photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
}
.feedback-item__user {
  font-weight: 700;
}
.feedback-item__rating {
  width: 90px;
}
.feedback-item__comment {
  color: var(--sda-text-dim);
  font-size: 1rem;
  margin-top: 0.7rem;
}

/* Footer */
.sda-footer {
  background: #eff6ff;
  border-top: 1px solid var(--sda-stroke);
  padding: 2.5rem 1.5rem;
  text-align: center;
}
.sda-footer__content {
  max-width: 850px;
  margin: 0 auto;
  color: var(--sda-text-dim);
}
.sda-footer a {
  color: var(--sda-accent);
}

/* Mobile */
@media (max-width: 980px) {
  .sda-toggle {
    display: flex;
    border: none;
    outline: none;
    background: none;
  }
  .sda-menu {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(240, 244, 248, 0.95);
    backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: flex-end;
    gap: 1.4rem;
    padding: 2rem;
    transition: right 0.3s ease;
  }
  .sda-menu--visible {
    right: 0;
  }
  .sda-hero__layout {
    grid-template-columns: 1fr;
  }
  .sda-benefits__layout {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .sda-tag {
    font-size: 0.8rem;
  }
  .sda-hero__heading {
    font-size: 1.6rem;
  }
  .sda-header__container {
    padding: 0.5rem 1.5rem;
  }
  .sda-hero__description {
    font-size: 1rem;
    margin-bottom: 1rem;
  }
  .sda-tags {
    margin-top: 1rem;
  }
  .sda-hero {
    padding: 6rem 1.5rem 0;
  }
  .sda-promos {
    padding: 1.5rem;
  }
  .sda-benefits {
    display: none;
  }
  .sda-hero__visual {
    display: none;
  }
  .benefit {
    flex-direction: column;
    align-items: flex-start;
  }
}
.terms-section {
  padding: 8rem 2.5rem;
}

.terms-section h1 {
  font-size: 3rem;
  text-transform: uppercase;
  color: var(--sda-accent);
  text-align: center;
  margin-bottom: 2.5rem;
}
.terms-section .return {
  text-align: center;
  margin-top: 2.5rem;
}
.terms-section a {
  display: inline-block;
  color: var(--sda-accent);
  border: 0.5px solid var(--sda-accent);
  padding: 0.9rem 3.5rem;
}
.terms-section article {
  max-width: 1150px;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .terms-section {
    font-size: 1.05rem;
    padding: 6rem 1.5rem;
  }
  .terms-section h1 {
    font-size: 1.6rem;
  }
  .terms-section a {
    padding: 0.9rem 1.5rem;
  }
}
.section-terms {
  padding: 7rem 2rem;
}

.section-terms h1 {
  font-size: 2.8rem;
  text-transform: uppercase;
  color: var(--sda-accent-2);
  text-align: center;
  margin-bottom: 2rem;
}
.section-terms .back {
  text-align: center;
  margin-top: 2rem;
}
.section-terms a {
  display: inline-block;
  color: var(--sda-accent-2);
  border: 0.5px solid var(--sda-accent-2);
  padding: 0.8rem 3rem;
}
.section-terms article {
  max-width: 110rem;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .section-terms {
    font-size: 1rem;
    padding: 5rem 1rem;
  }
  .section-terms h1 {
    font-size: 1.4rem;
  }
  .section-terms a {
    padding: 0.8rem 1rem;
  }
}