/* ============================================================
   AR ENTERPRISES — RESPONSIVE STYLESHEET
   ============================================================ */

/* ------------------------------------------------------------
   LARGE DESKTOP (1440px+)
   ------------------------------------------------------------ */
@media (min-width: 1440px) {
  :root {
    --container-pad: 3rem;
  }
}

/* ------------------------------------------------------------
   LAPTOP / SMALL DESKTOP (1024px – 1279px)
   ------------------------------------------------------------ */
@media (max-width: 1279px) {
  :root {
    --section-pad: clamp(3.5rem, 7vw, 5.5rem);
  }

  .about__grid {
    gap: var(--space-10);
  }

  .footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: var(--space-8);
  }

  .product-card {
    flex: 0 0 calc(33.333% - 1rem);
  }

  .stats__grid {
    gap: var(--space-4);
  }
}

/* ------------------------------------------------------------
   TABLET LANDSCAPE (900px – 1023px)
   ------------------------------------------------------------ */
@media (max-width: 1023px) {
  :root {
    --section-pad: clamp(3rem, 6vw, 5rem);
    --navbar-height: 68px;
  }

  /* Navbar */
  .navbar__nav {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) var(--container-pad) var(--space-5);
    display: none;
    box-shadow: var(--shadow-lg);
    z-index: 999;
  }

  .navbar__nav.open {
    display: block;
    animation: fadeInDown 0.2s ease;
  }

  .navbar__links {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
  }

  .navbar__link {
    color: var(--color-heading);
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    border-radius: var(--radius-md);
  }

  .navbar__link:hover,
  .navbar__link.active {
    background: rgba(15,76,129,0.07);
    color: var(--color-primary);
  }

  .navbar__link::after {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  .navbar__cta {
    display: none;
  }

  /* About */
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .about__image-badge {
    right: var(--space-4);
    bottom: -20px;
  }

  .about__content {
    padding-left: 0;
  }

  .about__img {
    height: 380px;
  }

  /* Brands */
  .brands__grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin-inline: auto;
  }

  /* Products */
  .product-card {
    flex: 0 0 calc(50% - 0.75rem);
  }

  /* Why */
  .why__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }

  /* Stats */
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
  }

  /* Contact */
  .contact__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer__col--brand {
    grid-column: span 2;
  }

  /* Carousel arrows — bring inside */
  .carousel__arrow--prev { left: 0; }
  .carousel__arrow--next { right: 0; }

  .products__carousel-wrapper {
    padding-inline: 0;
  }
}

/* ------------------------------------------------------------
   TABLET PORTRAIT (600px – 899px)
   ------------------------------------------------------------ */
@media (max-width: 899px) {
  /* Hero */
  .hero {
    max-height: 750px;
  }

  .hero__title {
    font-size: clamp(1.8rem, 5vw, 2.8rem);
  }

  .hero__trust {
    display: none;
  }

  .hero__arrow {
    width: 44px;
    height: 44px;
  }

  /* Gallery */
  .gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 200px;
  }

  .gallery__item--wide {
    grid-column: span 2;
  }

  /* Form row */
  .form__row {
    grid-template-columns: 1fr;
  }

  /* Contact form */
  .contact__form-wrapper {
    padding: var(--space-6);
  }
}

/* ------------------------------------------------------------
   MOBILE LANDSCAPE & LARGE MOBILE (480px – 599px)
   ------------------------------------------------------------ */
@media (max-width: 599px) {
  :root {
    --navbar-height: 64px;
    --section-pad: clamp(2.5rem, 5vw, 4rem);
  }

  /* Logo */
  .navbar__logo-tagline {
    display: none;
  }

  /* Hero */
  .hero {
    min-height: 560px;
    max-height: 100svh;
  }

  .hero__badge {
    font-size: var(--font-size-xs);
    padding: var(--space-1) var(--space-3);
    margin-bottom: var(--space-3);
  }

  .hero__title {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
    margin-bottom: var(--space-4);
  }

  .hero__subtitle {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-6);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

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

  .hero__arrow {
    width: 38px;
    height: 38px;
  }

  .hero__arrow--prev { left: var(--space-3); }
  .hero__arrow--next { right: var(--space-3); }

  /* Sections */
  .section__title {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }

  .section__subtitle {
    font-size: var(--font-size-base);
  }

  /* About */
  .about__img {
    height: 280px;
  }

  .about__image-badge {
    right: var(--space-3);
    bottom: -16px;
    padding: var(--space-3) var(--space-4);
  }

  .about__image-badge-number {
    font-size: var(--font-size-2xl);
  }

  .about__pillars {
    gap: var(--space-4);
  }

  /* Products */
  .product-card {
    flex: 0 0 calc(100% - 0);
  }

  .carousel__arrow { display: none; }

  /* Why */
  .why__grid {
    grid-template-columns: 1fr;
  }

  .why-card {
    padding: var(--space-6);
  }

  .why-card__icon {
    width: 60px;
    height: 60px;
  }

  /* Stats */
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .stat-card {
    padding: var(--space-6) var(--space-4);
  }

  .stat-card__number {
    font-size: 2.2rem;
  }

  /* Testimonials */
  .testimonial-card {
    padding: var(--space-6);
  }

  .testimonial-card__quote {
    font-size: var(--font-size-base);
  }

  /* Gallery */
  .gallery__grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 200px;
  }

  .gallery__item--tall,
  .gallery__item--wide {
    grid-column: auto;
    grid-row: auto;
  }

  /* Contact */
  .contact__form-wrapper {
    padding: var(--space-5);
  }

  .contact__info-card {
    padding: var(--space-4);
  }

  /* Footer */
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .footer__col--brand {
    grid-column: auto;
  }

  .footer__desc {
    max-width: 100%;
  }

  .footer__bottom-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  /* Scroll top */
  .scroll-top {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 44px;
    height: 44px;
  }

  /* Brand card */
  .brand-card__body {
    padding: var(--space-5);
  }

  .brand-card__image-wrap {
    height: 220px;
  }

  /* Lightbox */
  .lightbox__arrow--prev { left: var(--space-2); }
  .lightbox__arrow--next { right: var(--space-2); }
}

/* ------------------------------------------------------------
   SMALL MOBILE (< 380px)
   ------------------------------------------------------------ */
@media (max-width: 380px) {
  :root {
    --container-pad: 1rem;
    --navbar-height: 60px;
  }

  .navbar__logo-name {
    font-size: var(--font-size-base);
  }

  .hero__title {
    font-size: 1.5rem;
  }

  .hero__badge {
    display: none;
  }

  .stat-card__number {
    font-size: 1.8rem;
  }

  .section__label {
    font-size: var(--font-size-xs);
  }

  .about__image-badge {
    bottom: -12px;
    right: var(--space-2);
    padding: var(--space-2) var(--space-3);
  }

  .about__image-badge-number {
    font-size: var(--font-size-xl);
  }

  .footer__top {
    padding: var(--space-12) 0 var(--space-8);
  }
}

/* ------------------------------------------------------------
   TOUCH DEVICE ENHANCEMENTS
   ------------------------------------------------------------ */
@media (hover: none) and (pointer: coarse) {
  .gallery__item-overlay {
    opacity: 0.6;
    background: rgba(15,28,63,0.4);
  }

  .brand-card:hover,
  .product-card:hover,
  .why-card:hover {
    transform: none;
  }

  .btn:hover::after {
    opacity: 0;
  }

  .btn:active::after {
    opacity: 1;
  }
}

/* ------------------------------------------------------------
   PRINT STYLES
   ------------------------------------------------------------ */
@media print {
  .navbar,
  .hero__arrows,
  .scroll-top,
  .lightbox,
  .hero__arrow,
  .carousel__arrow {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
  }

  .hero {
    height: auto;
    min-height: auto;
  }

  .hero__slide {
    position: static;
    opacity: 1;
  }

  .section {
    page-break-inside: avoid;
  }
}