/* ========================================
   RESPONSIVE — TABLET (max-width: 1024px)
   ======================================== */
@media (max-width: 1024px) {
  :root {
    --section-gap: 80px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 60px;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-sub {
    max-width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .vault-door {
    width: 300px;
    height: 300px;
  }

  .vault-outer {
    width: 220px;
    height: 220px;
  }

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

  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

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

  .contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

/* ========================================
   RESPONSIVE — MOBILE (max-width: 768px)
   ======================================== */
@media (max-width: 768px) {
  :root {
    --section-gap: 60px;
    --header-height: 64px;
  }

  /* Header */
  .nav-links {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  .btn-nav {
    display: none;
  }

  /* Hero */
  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 60px;
  }

  .hero-inner {
    padding: 20px 0;
    gap: 40px;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

  .vault-door {
    width: 200px;
    height: 200px;
  }

  .vault-outer {
    width: 160px;
    height: 160px;
  }

  .vault-diamond svg {
    width: 50px;
    height: 50px;
  }

  .hero-scroll-indicator {
    display: none;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

  /* Game */
  .game-container {
    aspect-ratio: 4 / 3;
  }

  .game-wrapper {
    border-radius: var(--radius-lg);
  }

  .game-glow-border {
    border-radius: calc(var(--radius-lg) + 2px);
  }

  .game-container {
    border-radius: var(--radius-lg);
  }

  /* Features */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card {
    padding: 24px;
  }

  /* Steps */
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .step-number {
    font-size: 2rem;
  }

  /* CTA */
  .cta-card {
    padding: 48px 24px;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  /* Contact */
  .contact-info {
    grid-template-columns: 1fr;
  }

  /* Section Headers */
  .section-header {
    margin-bottom: 40px;
  }

  .section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  /* Page Content */
  .page-hero {
    padding: 60px 0 40px;
  }

  .page-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }

  .content-section {
    padding: 48px 0 60px;
  }
}

/* ========================================
   RESPONSIVE — SMALL MOBILE (max-width: 480px)
   ======================================== */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .logo-text {
    font-size: 0.8rem;
  }

  .hero-badge {
    font-size: 0.65rem;
    padding: 4px 12px;
  }

  .section-badge {
    font-size: 0.6rem;
  }

  .hero-disclaimer {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-title {
    font-size: 1.5rem;
  }
}