/* === Responsive Styles === */
/* Mobile-first: base styles target screens < 481px */

/* --- Extra Small (< 360px) — Narrow phones --- */
@media (max-width: 359px) {
  :root {
    --container-padding: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 3.5rem;
  }

  .hero__content {
    padding-block: var(--space-xl);
  }

  .hero__cta {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--fs-small);
  }

  .callout {
    padding-inline: var(--space-sm);
  }

  .callout__text {
    font-size: var(--fs-body);
  }

  .tips-section {
    padding: var(--space-sm);
  }

  .grid {
    gap: var(--space-sm);
  }

  .category-card__body {
    padding: var(--space-sm);
  }

  .variant-card {
    padding: var(--space-sm);
  }

  .section-header__title {
    font-size: clamp(1.25rem, 5vw, 1.75rem);
  }

  .site-header__logo {
    height: 36px;
    max-width: 7.5rem;
  }
}

/* --- Small (481px+) — Large phones / small tablets --- */
@media (min-width: 481px) {
  :root {
    --container-padding: 2rem;
  }

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

  .hero__subtitle {
    max-width: 80%;
  }

  .site-header__logo {
    height: 44px;
    max-width: 9rem;
  }

  .site-footer__logo {
    max-width: 8rem;
  }
}

/* --- Medium (768px+) — Tablets / small desktops --- */
@media (min-width: 768px) {
  body {
    font-size: 18px;
  }

  .site-header__nav {
    display: block;
  }

  .site-header__hamburger {
    display: none;
  }

  .site-header__logo {
    height: 60px;
    max-width: 12rem;
  }

  .site-footer__logo {
    max-width: 12rem;
  }

  /* Mobile menu overlay hidden on desktop */
  .mobile-menu {
    display: none !important;
  }

  .hero__content {
    padding-block: var(--space-2xl);
  }

  .callout__text {
    font-size: var(--fs-h2);
  }

  .tips-section {
    padding: var(--space-lg) var(--space-xl);
  }

  .section-header--subsection {
    margin-top: var(--space-xl);
  }
}

/* --- Large (1025px+) — Desktops --- */
@media (min-width: 1025px) {
  :root {
    --container-padding: 2.5rem;
  }

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

/* --- Extra Large (1440px+) — Wide monitors --- */
@media (min-width: 1440px) {
  .page-wrapper {
    max-width: var(--container-max);
  }
}

/* ============================= */
/* Mobile Menu Overlay           */
/* ============================= */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background-color: rgba(0, 0, 0, 0.95);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-menu[aria-hidden="false"] {
  display: flex;
  opacity: 1;
}

.mobile-menu__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  padding: var(--space-xs);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu a {
  color: var(--color-white);
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-sm);
  transition: color var(--transition-fast);
}

.mobile-menu a:hover,
.mobile-menu a:focus-visible {
  color: var(--color-primary);
}

/* ============================= */
/* Touch-friendly tap targets    */
/* ============================= */
@media (pointer: coarse) {
  .site-header__hamburger {
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .category-card__link,
  .site-footer__links a,
  .site-header__nav a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
}

/* ============================= */
/* Print styles                  */
/* ============================= */
@media print {
  .site-header,
  .site-footer,
  .hero__cta,
  .mobile-menu {
    display: none;
  }

  .hero__content {
    background: none;
    color: var(--color-dark);
    padding-block: var(--space-md);
  }

  .hero__title {
    color: var(--color-dark);
  }

  .hero__title span {
    color: var(--color-primary);
  }

  .section {
    padding-block: var(--space-sm);
    break-inside: avoid;
  }

  .category-card,
  .variant-card {
    box-shadow: none;
    border: 1px solid var(--color-gray-300);
    break-inside: avoid;
  }
}