/* ============================================================
   Esteriks — Responsive styles
   ============================================================ */

/* Large desktops */
@media (min-width: 1400px) {
  :root {
    --container: 1280px;
  }
}

/* Laptop / small desktop */
@media (max-width: 1100px) {
  .hero-asterisk {
    width: min(48vw, 420px);
    height: min(48vw, 420px);
    right: -8%;
    opacity: 0.4;
  }

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

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

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

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

  .testimonial-card {
    flex: 0 0 calc(50% - 12px);
  }

  .nav-list {
    gap: 0;
  }

  .nav-list a,
  .nav-dropdown-toggle {
    padding: 8px 10px;
    font-size: 0.875rem;
    font-weight: 700;
  }

  .primary-nav {
    gap: 16px;
  }
}

/* Tablet */
@media (max-width: 900px) {
  :root {
    --header-h: 72px;
  }

  .section {
    padding: 72px 0;
  }

  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 100px 28px 40px;
    gap: 24px;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 1000;
  }

  .primary-nav.open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-list a,
  .nav-dropdown-toggle,
  .site-header.scrolled .nav-list a,
  .site-header.scrolled .nav-dropdown-toggle,
  .page-inner .nav-list a,
  .page-inner .nav-dropdown-toggle,
  .site-header .nav-list a,
  .site-header .nav-dropdown-toggle {
    color: var(--primary) !important;
    padding: 12px 16px;
    font-size: 1.0625rem;
    font-weight: 700;
  }

  .nav-list a:hover,
  .nav-list a.active,
  .nav-dropdown-toggle:hover,
  .nav-item-dropdown.is-open .nav-dropdown-toggle {
    background: var(--gray);
    color: var(--accent-blue) !important;
  }

  .nav-dropdown {
    position: static;
    min-width: 0;
    margin: 0 0 4px;
    padding: 0 0 0 12px;
    border: 0;
    box-shadow: none;
    background: transparent;
  }

  .nav-item-dropdown:hover .nav-dropdown,
  .nav-item-dropdown:focus-within .nav-dropdown {
    display: none;
  }

  .nav-item-dropdown.is-open .nav-dropdown {
    display: block;
  }

  .nav-list a.nav-offer,
  .site-header.scrolled .nav-list a.nav-offer,
  .page-inner .nav-list a.nav-offer,
  .site-header .nav-list a.nav-offer,
  .nav-list a.nav-offer:hover,
  .nav-list a.nav-offer.active {
    color: var(--primary) !important;
    background: var(--accent-yellow) !important;
    border-radius: var(--radius-full);
    text-align: center;
    box-shadow: 0 4px 14px rgba(237, 206, 34, 0.35);
  }

  .btn-nav {
    width: 100%;
    justify-content: center;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(17, 17, 17, 0.4);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .nav-overlay.visible {
    opacity: 1;
    visibility: visible;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-h) + 72px) 0 80px;
  }

  .hero-asterisk {
    width: 280px;
    height: 280px;
    right: -60px;
    top: 58%;
    opacity: 0.28;
  }

  .hero-scroll {
    display: none;
  }

  .about-grid,
  .about-content-block,
  .location-grid,
  .contact-grid,
  .detail-section,
  .detail-section:nth-child(even) {
    grid-template-columns: 1fr;
    gap: 40px;
    direction: ltr;
  }

  .about-intro h2 {
    max-width: none;
  }

  .about-pillars {
    grid-template-columns: 1fr 1fr;
  }

  .about-image {
    aspect-ratio: 16 / 10;
    max-height: 400px;
  }

  .workspace-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
  }

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

  .gallery-item:nth-child(1),
  .gallery-item:nth-child(6) {
    grid-row: span 1;
    aspect-ratio: 4 / 3;
  }

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

  .form-row {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    padding: 48px 28px;
  }

  .map-wrap {
    height: 320px;
  }

  .feature-blocks {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .container {
    padding: 0 20px;
  }

  .section {
    padding: 56px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .stats {
    margin-top: -32px;
  }

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

  .stat-item {
    padding: 24px 12px;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .logo-asterisk {
    width: 34px;
    height: auto;
  }

  .logo-name {
    font-size: 1.15rem;
  }

  .logo-tag {
    letter-spacing: 0.12em;
  }

  .hero-brand {
    font-size: 1.5rem;
  }

  .hero-content .hero-desc {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

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

  .hero-asterisk {
    display: none;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .about-pillars {
    grid-template-columns: 1fr;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .amenities-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .amenity-item {
    padding: 20px 14px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .testimonial-card {
    flex: 0 0 100%;
  }

  .contact-form {
    padding: 28px 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .page-hero {
    padding: calc(var(--header-h) + 48px) 0 48px;
  }

  .lightbox-prev,
  .lightbox-next {
    width: 40px;
    height: 40px;
  }

  .lightbox-prev { left: 12px; }
  .lightbox-next { right: 12px; }

  .scroll-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
}

/* Small mobile */
@media (max-width: 400px) {
  .amenities-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}