/**
 * مگامنو — آیتم ریشه با کلاس CSS «mega-menu» در پیشخوان.
 * ساختار: لیست تک‌سطح + باکس کناری (متای آیتم مادر).
 */

.header__nav {
  position: static;
}

.header__menu-item--mega {
  position: relative;
  z-index: 40;
}

.header__menu-item--mega > .mega-menu {
  display: none;
}

@media (min-width: 1024px) {
  .header__menu-item--mega:hover > .mega-menu,
  .header__menu-item--mega:focus-within > .mega-menu,
  .header__menu-item--mega.header__menu-item--open > .mega-menu {
    display: block;
  }

  .mega-menu {
    --mega-shift: 0px;
    position: absolute;
    z-index: 55;
    inset-inline-start: 0;
    top: calc(100% + 12px);
    width: min(700px, calc(100vw - (var(--space-4) * 2)));
    max-width: calc(100vw - (var(--space-4) * 2));
    transform: translateX(var(--mega-shift));
    box-sizing: border-box;
  }

  .mega-menu__shell {
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 64px;
    overflow: hidden;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-divider);
    background-color: #fff;
    box-shadow: 0 16px 48px rgba(15, 23, 42, 0.12);
  }

  .mega-menu__list {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
    margin: 0;
    padding: 10px;
    list-style: none;
    border-inline-end: 0;
  }

  .mega-menu__item {
    margin-block-end: 2px;
  }

  .mega-menu__item:last-child {
    margin-block-end: 0;
  }

  .mega-menu__link {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    text-decoration: none;
    color: var(--color-text-heading);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  }

  .mega-menu__link:hover,
  .mega-menu__link:focus-visible {
    outline: none;
    background-color: rgba(43, 99, 235, 0.08);
    border-color: rgba(43, 99, 235, 0.12);
    color: var(--color-primary);
  }

  .mega-menu__item--current > .mega-menu__link {
    background-color: rgba(43, 99, 235, 0.1);
    border-color: rgba(43, 99, 235, 0.18);
    color: var(--color-primary);
  }

  .mega-menu__icon-wrap {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-divider);
    background-color: #fff;
  }

  .mega-menu__icon-wrap--empty {
    opacity: 0.45;
  }

  .mega-menu__icon-img {
    display: block;
    width: 22px;
    height: 22px;
    object-fit: contain;
  }

  .mega-menu__icon-svg {
    display: block;
    width: 22px;
    height: 22px;
  }

  .mega-menu__body {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    min-width: 0;
    text-align: start;
  }

  .mega-menu__title {
    font-size: 15px;
    line-height: 1.75;
    color: inherit;
  }

  .mega-menu__subtitle {
    font-size: 12px;
    line-height: 1.35;
    color: var(--color-text-secondary);
  }

  .mega-menu__link:hover .mega-menu__subtitle,
  .mega-menu__link:focus-visible .mega-menu__subtitle {
    color: var(--color-text-body);
  }

  .mega-menu__feature {
    flex: 0 0 220px;
    max-width: 220px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
    margin: 24px;
    padding: 16px;
    color: #fff;
    border-radius: var(--radius-md);
    min-height: 170px;
    align-self: center;
  }

  .mega-menu__feature-icon {
    align-self: center;
    width: 100%;
    display: flex;
    justify-content: center;
  }

  .mega-menu__feature-icon-inner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    border: 0;
    background-color: transparent;
  }

  .mega-menu__feature-icon-img {
    display: block;
    width: 26px;
    height: 26px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.95;
  }

  .mega-menu__feature-icon-svg {
    display: block;
    width: 26px;
    height: 26px;
    filter: brightness(0) invert(1);
    opacity: 0.95;
  }

  .mega-menu__feature-text {
    margin: 0;
    flex: 1 1 auto;
    font-size: 13px;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.96);
    text-align: center;
  }

  .mega-menu__feature-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 10px var(--space-3);
    font-size: 14px;
    text-decoration: none;
    text-align: center;
    border-radius: var(--radius-md);
    transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
  }

  .mega-menu__feature-btn--static {
    cursor: default;
    opacity: 0.95;
  }

  .mega-menu__feature--btn-light-on-dark .mega-menu__feature-btn {
    background-color: #fff;
    color: var(--color-text-heading);
  }

  .mega-menu__feature--btn-light-on-dark .mega-menu__feature-btn:hover,
  .mega-menu__feature--btn-light-on-dark .mega-menu__feature-btn:focus-visible {
    background-color: rgba(255, 255, 255, 0.92);
  }

  .mega-menu__feature--btn-dark-on-light .mega-menu__feature-btn {
    background-color: rgba(15, 23, 42, 0.92);
    color: #fff;
  }

  .mega-menu__feature--btn-dark-on-light .mega-menu__feature-btn:hover,
  .mega-menu__feature--btn-dark-on-light .mega-menu__feature-btn:focus-visible {
    background-color: #0f172a;
  }

  .mega-menu__feature--bg-navy {
    background: var(--bg-gradient);
  }

  .mega-menu__feature--bg-primary {
    background-color: var(--color-primary);
  }

  .mega-menu__feature--bg-teal {
    background-color: #0f766e;
  }

  .mega-menu__feature--bg-amber {
    background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  }

  .mega-menu__feature--bg-amber .mega-menu__feature-text {
    color: #0f172a;
  }

  .mega-menu__feature--bg-amber .mega-menu__feature-icon-inner {
    border: 0;
    background-color: transparent;
  }

  .mega-menu__feature--bg-amber .mega-menu__feature-icon-img,
  .mega-menu__feature--bg-amber .mega-menu__feature-icon-svg {
    filter: none;
    opacity: 1;
  }

  .mega-menu__feature--bg-gradient {
    background: var(--bg-gradient);
  }

}

@media (max-width: 1023px) {
  .header__menu-item--mega.header__menu-item--open > .mega-menu {
    display: block;
  }

  .mega-menu {
    width: 100%;
    margin-block-start: var(--space-3);
  }

  .mega-menu__shell {
    display: flex;
    flex-direction: column;
    overflow: visible;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-divider);
    background-color: #fff;
  }

  .mega-menu__list {
    margin: 0;
    padding: var(--space-3);
    list-style: none;
    border-inline-end: 0;
  }

  .mega-menu__item {
    margin-block-end: var(--space-3);
  }

  .mega-menu__item:last-child {
    margin-block-end: 0;
  }

  .mega-menu__link {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    text-decoration: none;
    color: var(--color-text-heading);
    border-radius: var(--radius-sm);
    background-color: rgba(43, 99, 235, 0.04);
  }

  .mega-menu__icon-wrap {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-divider);
    background-color: #fff;
  }

  .mega-menu__icon-img {
    width: 22px;
    height: 22px;
    object-fit: contain;
  }

  .mega-menu__icon-svg {
    width: 22px;
    height: 22px;
  }

  .mega-menu__body {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    text-align: start;
  }

  .mega-menu__title {
    font-size: 16px;
    line-height: 2;
  }

  .mega-menu__subtitle {
    font-size: 13px;
    color: var(--color-text-secondary);
  }

  .mega-menu__feature {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin: var(--space-3);
    margin-block-start: 0;
    padding: var(--space-4);
    color: #fff;
    border-radius: var(--radius-md);
  }

  .mega-menu__feature-text {
    margin: 0;
    font-size: 14px;
    line-height: 1.65;
    text-align: center;
  }

  .mega-menu__feature-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: var(--space-3);
    font-size: 14px;
    text-decoration: none;
    border-radius: var(--radius-md);
  }

  .mega-menu__feature--btn-light-on-dark .mega-menu__feature-btn {
    background-color: #fff;
    color: var(--color-text-heading);
  }

  .mega-menu__feature--btn-dark-on-light .mega-menu__feature-btn {
    background-color: rgba(15, 23, 42, 0.92);
    color: #fff;
  }

  .mega-menu__feature--bg-navy {
    background: var(--bg-gradient);
  }

  .mega-menu__feature--bg-primary {
    background-color: var(--color-primary);
  }

  .mega-menu__feature--bg-teal {
    background-color: #0f766e;
  }

  .mega-menu__feature--bg-amber {
    background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  }

  .mega-menu__feature--bg-amber .mega-menu__feature-text {
    color: #0f172a;
  }

  .mega-menu__feature--bg-amber .mega-menu__feature-icon-svg {
    filter: none;
    opacity: 1;
  }

  .mega-menu__feature--bg-gradient {
    background: var(--bg-gradient);
  }
}