:root {
  --primary: #113B7A;
  --primary-light: #1D5FD1;
  --accent: #2B73F6;
  --accent-dark: #1144A6;
}

.page-da-ga {
  font-family: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--deep-navy, #08162B);
  color: #F3F8FF;
  overflow-x: hidden;
}

/* ===== CONTAINER ===== */
.page-da-ga__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== HERO ===== */
.page-da-ga__hero {
  background: linear-gradient(135deg, #0B1F3A 0%, #113B7A 55%, #1D5FD1 100%);
  padding: 20px 0 60px;
}

.page-da-ga__hero .page-da-ga__container {
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: center;
}

.page-da-ga__hero-image-wrapper {
  width: 100%;
  max-width: 1200px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(79, 168, 255, 0.5);
}

.page-da-ga__hero-image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-da-ga__hero-content {
  width: 100%;
  max-width: 1000px;
  text-align: center;
}

.page-da-ga__hero-title {
  color: #F3F8FF;
  font-size: clamp(1.9rem, 3.5vw, 3rem);  
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-family: inherit;
  margin: 0 0 16px;
  max-width: 60rem;
  margin-left: auto;
  margin-right: auto;
}

.page-da-ga__hero-subtitle {
  color: #AFC4E8;
  font-size: 1.1rem;
  line-height: 1.75;
  margin: 0 auto 32px;
  max-width: 70ch;
}

.page-da-ga__hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

.page-da-ga__btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 50px;
  transition: all 0.25s ease-out;
  border: 1px solid transparent;
  font-size: 0.95rem;
  letter-spacing: 0.2px;
}

.page-da-ga__btn:hover,
.page-da-ga__btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -6px rgba(79, 168, 255, 0.5);
}

.page-da-ga__btn--primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #FFFFFF !important;
}

.page-da-ga__btn--ghost {
  background: transparent;
  color: #F3F8FF !important;
  border-color: #4FA8FF;
}

.page-da-ga__btn--ghost:hover {
  background: rgba(79, 168, 255, 0.1);
}

.page-da-ga__btn--secondary {
  background: transparent;
  color: #F3F8FF !important;
  border-color: #244D84;
}

.page-da-ga__btn--large {
  padding: 16px 48px;
  font-size: 1.1rem;
}

.page-da-ga__btn--cta {
  animation: page-da-ga-pulse 2s infinite;
}

@keyframes page-da-ga-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(43, 115, 246, 0.6); }
  50% { box-shadow: 0 0 0 10px rgba(43, 115, 246, 0); }
}

/* ===== SECTION HEADER ===== */
.page-da-ga__section-head {
  text-align: center;
  margin-bottom: 48px;
}

.page-da-ga__section-tag {
  display: inline-block;
  background: rgba(29, 95, 209, 0.2);
  color: #4FA8FF;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.page-da-ga__section-title {
  font-size: clamp(1.75rem, 2.6vw, 2.5rem);
  font-weight: 800;
  line-height: 1.3;
  color: #F3F8FF;
  margin: 0 auto 12px;
  max-width: 700px;
}

.page-da-ga__section-desc {
  color: #AFC4E8;
  max-width: 65ch;
  margin: 0 auto;
  line-height: 1.7;
  font-size: 1.05rem;
}

/* ===== SECTIONS SPACING ===== */
.page-da-ga__features,
.page-da-ga__steps,
.page-da-ga__info,
.page-da-ga__reasons,
.page-da-ga__promo,
.page-da-ga__tutorial {
  padding: 70px 0;
}

/* FEATURES */
.page-da-ga__features {
  background: #08162B;
}

.page-da-ga__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.page-da-ga__feature-card {
  background: #10233F;
  border: 1px solid #244D84;
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-da-ga__feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(79, 168, 255, 0.2);
}

.page-da-ga__feature-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  max-height: 330px;
}

.page-da-ga__feature-body {
  padding: 24px;
}

.page-da-ga__feature-card-title {
  color: #F3F8FF;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}

.page-da-ga__feature-card-desc {
  color: #AFC4E8;
  line-height: 1.7;
  margin: 0;
}

/* ===== CTA ===== */
.page-da-ga__cta {
  background: linear-gradient(120deg, #10233F, #113B7A);
  text-align: center;
  padding: 72px 20px;
}

.page-da-ga__cta-tag {
  display: inline-block;
  color: #F2C14E;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.page-da-ga__cta-title {
  color: #F3F8FF;
  font-size: clamp(1.75rem, 2.5vw, 2.2rem);
  font-weight: 800;
  margin: 0 0 12px;
}

.page-da-ga__cta-desc {
  color: #AFC4E8;
  font-size: 1.1rem;
  line-height: 1.65;
  max-width: 50ch;
  margin: 0 auto 28px;
}

.page-da-ga__btn--register {
  text-transform: uppercase;
  padding: 16px 36px;
  font-size: 1rem;
}

.page-da-ga__cta-note {
  color: #AFC4E8;
  font-size: 0.8rem;
  margin-top: 20px;
  opacity: 0.9;
}

/* ===== GAMES SECTION ===== */
.page-da-ga__games {
  background: #0A1A30;
  padding: 70px 0;
}

.page-da-ga__games-wrapper {
  max-width: 900px;
  margin: 0 auto;
}

.page-da-ga__games-video {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  border-radius: 20px;
  overflow: hidden;
  background: #000;
  margin-bottom: 40px;
  border: 2px solid #244D84;
}

.page-da-ga__game-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.page-da-ga__games-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.page-da-ga__game-card {
  background: #10233F;
  border: 1px solid #244D84;
  border-radius: 14px;
  padding: 28px 24px;
  transition: border-color 0.3s ease;
}

.page-da-ga__game-card:hover {
  border-color: #4FA8FF;
}

.page-da-ga__game-card-title {
  color: #F3F8FF;
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.page-da-ga__game-card-desc {
  color: #AFC4E8;
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0;
}

/* ===== STEPS ===== */
.page-da-ga__steps {
  background: #08162B;
}

.page-da-ga__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}

.page-da-ga__step {
  background: #10233F;
  border: 1px solid #244D84;
  border-radius: 16px;
  text-align: center;
  padding: 36px 24px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-da-ga__step:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 32px rgba(79, 168, 255, 0.2);
}

.page-da-ga__step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #FFFFFF;
  font-size: 1.5rem;
  font-weight: 800;
  box-shadow: 0 0 20px rgba(79, 168, 255, 0.35);
}

.page-da-ga__step-title {
  color: #F3F8FF;
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-da-ga__step-desc {
  color: #AFC4E8;
  line-height: 1.7;
  margin-bottom: 20px;
}

.page-da-ga__step .page-da-ga__btn {
  width: auto;
  min-width: 120px;
}

/* ===== INFO ===== */
.page-da-ga__info {
  background: #0A1A30;
}

.page-da-ga__content-inner {
  max-width: 900px;
  margin: 0 auto;
}

.page-da-ga__paragraph {
  color: #AFC4E8;
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.page-da-ga__paragraph strong {
  color: #F3F8FF;
}

.page-da-ga__subheading {
  color: #F3F8FF;
  font-size: 1.4rem;
  font-weight: 700;
  margin: 28px 0 16px;
  padding-left: 14px;
  border-left: 4px solid #4FA8FF;
}

/* ===== REASONS ===== */
.page-da-ga__reasons {
  background: #08162B;
}

.page-da-ga__reasons-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.page-da-ga__reason-item {
  display: flex;
  align-items: center;
  gap: 24px;
  background: rgba(16, 35, 63, 0.6);
  border: 1px solid #244D84;
  border-radius: 14px;
  padding: 16px;
  flex-wrap: wrap;
}

.page-da-ga__reason-item img {
  width: 200px;
  height: auto;
  border-radius: 10px;
  object-fit: cover;
}

.page-da-ga__reason-desc {
  color: #AFC4E8;
  flex: 1 1 300px;
  line-height: 1.7;
}

/* ===== TUTORIAL ===== */
.page-da-ga__tutorial {
  background: #0A1A30;
}

.page-da-ga__guide-inner {
  max-width: 920px;
  margin: 0 auto;
  background: #10233F;
  padding: 30px 24px;
  border: 1px solid #244D84;
  border-radius: 18px;
}

.page-da-ga__guide-inner p {
  color: #AFC4E8;
  line-height: 1.8;
}

.page-da-ga__guide-inner strong {
  color: #F3F8FF;
}

.page-da-ga__guide-step-title {
  color: #F2C14E;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.page-da-ga__guide-image {
  margin-top: 24px;
  margin-bottom: 20px;
  border-radius: 12px;
  overflow: hidden;
}

.page-da-ga__guide-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid #244D84;
}

/* Highlights */
.page-da-ga__reasons-grid {
  max-width: 920px;
  margin: 36px auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.page-da-ga__highlight {
  background: #10233F;
  border: 1px solid #244D84;
  border-radius: 14px;
  padding: 26px 24px;
}

.page-da-ga__highlight-title {
  color: #F3F8FF;
  margin-top: 0;
  margin-bottom: 16px;
}

.page-da-ga__point-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-da-ga__point-item {
  position: relative;
  padding-left: 20px;
  color: #AFC4E8;
  font-size: 1rem;
  line-height: 1.6;
}

.page-da-ga__point-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4FA8FF;
}

/* ===== PROMO ===== */
.page-da-ga__promo {
  background: #08162B;
}

.page-da-ga__promo-banner {
  background: linear-gradient(135deg, #10233F, #113B7A);
  border-radius: 24px;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: 36px 28px 40px;
  border: 1px solid #244D84;
}

.page-da-ga__promo-banner .page-da-ga__btn {
  margin-top: 20px;
}

.page-da-ga__promo-title {
  color: #F3F8FF;
  font-size: 1.5rem;
  margin: 18px 0 12px;
}

.page-da-ga__promo-desc {
  color: #AFC4E8;
  font-size: 1rem;
  line-height: 1.7;
  margin: 0 auto 0;
}

/* ===== FAQ ===== */
.page-da-ga__faq {
  background: #0A1A30;
  padding: 70px 0;
}

/* ===== FINAL CTA ===== */
.page-da-ga__final-cta {
  background: linear-gradient(135deg, #113B7A 0%, #0B1F3A 100%);
  text-align: center;
  padding: 80px 20px;
}

.page-da-ga__final-inner {
  max-width: 650px;
  margin: 0 auto;
}

.page-da-ga__final-title {
  color: #F3F8FF;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.3;
  margin: 0 auto 18px;
  max-width: 55rem;
}

.page-da-ga__highlight-brand {
  color: #4FA8FF;
}

.page-da-ga__final-desc {
  color: #AFC4E8;
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 70ch;
  margin-left: auto;
  margin-right: auto;
}

.page-da-ga__final-note {
  color: #AFC4E8;
  font-size: 0.85rem;
  margin-top: 16px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .page-da-ga__hero { padding: 20px 0 40px; }
  .page-da-ga__feature-card, .page-da-ga__game-card { padding: 18px; }
  .page-da-ga__game-card-title, .page-da-ga__feature-card-title { font-size: 1.2rem; }
  .page-da-ga__game-card-desc, .page-da-ga__feature-card-desc { line-height: 1.65; }
  .page-da-ga__btn { padding: 12px 22px; }
  .page-da-ga__section-head { margin-bottom: 36px; }
  .page-da-ga__features, .page-da-ga__steps, .page-da-ga__info, .page-da-ga__reasons, .page-da-ga__promo, .page-da-ga__tutorial { padding: 55px 0; }
}

@media (max-width: 768px) {
  .page-da-ga__hero {
    padding: 12px 0 36px;
  }

  .page-da-ga__hero-image-wrapper {
    border-radius: 14px;
  }

  .page-da-ga__container {
    padding: 0 16px;
  }

  .page-da-ga__features,
  .page-da-ga__steps,
  .page-da-ga__info,
  .page-da-ga__reasons,
  .page-da-ga__promo,
  .page-da-ga__tutorial {
    padding: 45px 0;
  }

  .page-da-ga__hero-subtitle {
    font-size: 1rem;
    margin-bottom: 28px;
  }

  .page-da-ga__btn {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
    padding-left: 12px;
    padding-right: 12px;
  }

  .page-da-ga__hero-buttons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .page-da-ga__features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-da-ga__reasons-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-da-ga__reason-item {
    flex-direction: column;
    text-align: center;
    padding: 20px;
  }

  .page-da-ga__reason-desc {
    flex-basis: auto;
  }

  .page-da-ga__reason-item img {
    width: 100%;
    max-width: 100%;
    height: auto;
  }

  .page-da-ga__steps-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .page-da-ga__games-video {
    height: 230px;
  }

  .page-da-ga__games-list {
    grid-template-columns: 1fr;
  }

  .page-da-ga__promo-banner {
    padding: 24px 16px;
  }

  .page-da-ga__final-title {
    font-size: 1.6rem;
  }

  .page-da-ga__final-cta {
    padding: 60px 16px;
  }

  .page-da-ga__guide-inner {
    padding: 22px 16px;
  }

  .page-da-ga__brand {
    font-size: 1.25rem;
  }

  .page-da-ga img {
    max-width: 100%;
    height: auto;
  }

  .page-da-ga {
    overflow-x: hidden;
    max-width: 100%;
  }

  .page-da-ga__container {
    overflow: hidden;
  }

  .page-da-ga__hero-title {
    font-size: clamp(1.5rem, 2.8vw, 2rem);
  }

  .page-da-ga__section-title {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .page-da-ga__btn--large {
    font-size: 1rem;
    padding: 12px 24px;
  }
  .page-da-ga__step-number {
    width: 60px;
    height: 60px;
    font-size: 1.25rem;
  }
  .page-da-ga__guide-step-title {
    font-size: 1.1rem;
  }
  .page-da-ga__subheading {
    font-size: 1.15rem;
  }
}