/* ================================================
   RESPONSIVE — Mobile-first breakpoints
   ================================================ */

/* ——— Mobile base (375px+) ——— */
.nav__links { display: none; }
.nav__cta:not(.nav__link) { display: none; } /* Hide aura CTA on mobile */
.nav__toggle { display: flex; }

.nav__mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  padding: 6rem 2rem 2rem;
  flex-direction: column;
  gap: 1rem;
}

.nav__mobile-menu.active {
  display: flex;
}

.nav__mobile-menu a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  text-transform: uppercase;
  color: var(--text-primary);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--duration-fast) ease;
}

.nav__mobile-menu a:hover {
  color: var(--brand-blue);
}

.highlight-text {
  font-size: clamp(1.2rem, 4.5vw, 1.8rem) !important;
}

.arch-diagram {
  min-height: 500px;
}

/* ——— Investment Luminal Mobile ——— */
@media (max-width: 768px) {
  :root {
    --section-padding-v: 60px;
    --section-padding-h: 24px;
  }

  .item-title {
    font-size: 24px !important;
  }

  .item-price {
    font-size: 24px !important;
  }

  .offer-title {
    font-size: 40px !important;
  }

  .price-amount .value {
    font-size: 48px !important;
  }

  /* FAQ Mobile */
  .faq-question {
    padding: 1.25rem 1.5rem;
  }

  .faq-answer-inner {
    padding: 0 1.5rem 1.5rem;
  }
}

/* ——— Tablet (768px+) ——— */
@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .timeline {
    padding-left: 5rem;
  }

  .timeline__number {
    font-size: 6rem;
  }

  .highlight-text {
    font-size: clamp(1.8rem, 5vw, 3rem) !important;
  }
}

/* ——— Desktop (1200px+) ——— */
@media (min-width: 1200px) {
  .nav__links {
    display: flex;
  }

  .nav__cta:not(.nav__link) {
    display: inline-flex; /* Show aura CTA on desktop */
  }

  .nav__toggle {
    display: none;
  }

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

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

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .tech-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .container {
    padding: 0 2rem;
  }

  .timeline {
    padding-left: 6rem;
  }

  .timeline__number {
    font-size: 8rem;
  }

  .highlight-text {
    font-size: clamp(2rem, 5vw, 3.5rem) !important;
  }

  .arch-diagram {
    min-height: 650px;
  }

  .hero__title {
    text-shadow: 0 0 80px rgba(43, 107, 255, 0.4);
  }
}

/* ——— Large Desktop (1440px+) ——— */
@media (min-width: 1440px) {
  .container {
    padding: 0 3rem;
  }
}