/* ============================
   Bilgin Cup - Responsive CSS
   Full responsive: Desktop > Tablet > Phone
   ============================ */

/* ======= LARGE DESKTOP (1200px) ======= */
@media (max-width: 1200px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  .stats-grid {
    gap: 24px;
  }
  .products-grid {
    gap: 24px;
  }
  .references-detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ======= TABLET (992px) ======= */
@media (max-width: 992px) {
  /* Mobile Menu */
  .nav-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: var(--dark);
    flex-direction: column;
    padding: 80px 30px 30px;
    gap: 0;
    transition: right 0.3s ease;
    z-index: 999;
    overflow-y: auto;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-menu a {
    display: block;
    padding: 14px 0;
    color: rgba(255, 255, 255, 0.8) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.95rem;
  }

  .nav-menu a:hover,
  .nav-menu a.active {
    color: var(--accent) !important;
  }

  .nav-menu a::after {
    display: none;
  }

  .nav-cta {
    margin-top: 10px;
    text-align: center;
    display: block !important;
    border-radius: var(--radius-sm) !important;
  }

  .hamburger {
    display: flex;
  }
  .mobile-overlay {
    display: none;
  }
  .mobile-overlay.active {
    display: block;
  }

  /* About */
  .about-preview {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about-preview-img {
    max-height: 400px;
  }
  .about-story {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .mission-vision-grid {
    grid-template-columns: 1fr;
  }

  /* Products */
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  /* Contact */
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .contact-cards-side {
    grid-template-columns: repeat(4, 1fr);
  }

  /* References */
  .references-page-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .references-detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Hero */
  .hero-content h1 {
    font-size: 2.4rem;
  }

  /* Section */
  .section {
    padding: 70px 0;
  }
}

/* ======= TABLET SMALL / PHABLET (768px) ======= */
@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  .gallery-page-grid,
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .hero-content h1 {
    font-size: 2rem;
  }
  .hero-content p {
    font-size: 1rem;
  }
  .section-header h2 {
    font-size: 1.8rem;
  }
  .page-hero h1,
  .page-header h1 {
    font-size: 2rem;
  }
  .page-hero {
    padding: 140px 0 60px;
  }
  .page-header {
    padding: 120px 0 60px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .contact-form-row {
    grid-template-columns: 1fr;
  }
  .about-features {
    grid-template-columns: 1fr;
  }
  .mission-vision {
    grid-template-columns: 1fr;
  }
  .product-features,
  .product-feature-list {
    grid-template-columns: 1fr;
  }
  .contact-form-wrapper,
  .contact-form-card {
    padding: 28px;
  }
  .cta-section h2 {
    font-size: 1.6rem;
  }
  .stat-number {
    font-size: 2.2rem;
  }

  .footer-newsletter {
    overflow: hidden;
  }
  .product-content {
    padding: 24px;
  }
}

/* ======= PHONE (576px) ======= */
@media (max-width: 576px) {
  .container {
    padding: 0 16px;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .gallery-page-grid,
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .references-page-grid,
  .references-detail-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    min-height: 500px;
  }
  .hero-content h1 {
    font-size: 1.7rem;
  }
  .hero-content p {
    font-size: 0.9rem;
    margin-bottom: 24px;
  }
  .section {
    padding: 50px 0;
  }
  .section-header h2 {
    font-size: 1.5rem;
  }
  .section-header {
    margin-bottom: 40px;
  }
  .page-hero,
  .page-header {
    padding: 120px 0 50px;
  }
  .page-hero h1,
  .page-header h1 {
    font-size: 1.7rem;
  }
  .page-header p {
    font-size: 0.9rem;
  }
  .whatsapp-btn {
    bottom: 20px;
    left: 16px;
    width: 46px;
    height: 46px;
  }
  .back-to-top {
    bottom: 20px;
    right: 16px;
    width: 40px;
    height: 40px;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .stat-icon {
    width: 55px;
    height: 55px;
  }
  .stat-number {
    font-size: 1.8rem;
  }
  .about-text h2 {
    font-size: 1.6rem;
  }
  .btn-primary {
    padding: 12px 24px;
    font-size: 0.88rem;
  }
  .filter-tab {
    padding: 6px 14px;
    font-size: 0.8rem;
  }
  .contact-cards-side {
    grid-template-columns: 1fr 1fr;
  }
  .contact-form-card {
    padding: 20px;
    margin: 0 auto 40px auto;
  }
  .product-detail-grid {
    gap: 20px;
  }
  .breadcrumb {
    font-size: 0.8rem;
    gap: 6px;
  }
}

/* ======= VERY SMALL PHONE (400px) ======= */
@media (max-width: 400px) {
  .hero-content h1 {
    font-size: 1.4rem;
  }
  .hero-content p {
    font-size: 0.85rem;
  }
  .nav-menu {
    width: 260px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .gallery-page-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .section-header h2 {
    font-size: 1.3rem;
  }
}