/* ═══════════════════════════════════════════════════════════
   Header Styles
   Includes: nav menu, cart icon, mobile menu, search bar
   ═══════════════════════════════════════════════════════════ */

/* ── Header Container ─────────────────────────────────────── */
.sps-header {
    background: var(--sps-white);
    border-bottom: 1px solid var(--sps-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.sps-header__wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 12px 20px;
    height: 70px;
}

/* ── Logo & Branding ──────────────────────────────────────── */
.sps-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 700;
    color: var(--sps-primary);
    transition: var(--sps-trans);
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.sps-logo:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

.sps-logo__mark {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: block;
}

.sps-logo__text-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
    line-height: 1.1;
}

.sps-logo__text-main {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--sps-primary);
}

.sps-logo__text-sub {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--sps-accent);
}

/* ── Main Navigation Menu ─────────────────────────────────── */
.sps-header__nav {
    flex: 1;
    display: flex;
    align-items: center;
    margin-left: 20px;
}

.sps-nav-menu {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
}

.sps-nav-menu__item {
    position: relative;
}

.sps-nav-menu__link {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 8px 18px;
    color: var(--sps-dark);
    font-weight: 500;
    font-size: 14px;
    transition: var(--sps-trans);
    position: relative;
    white-space: nowrap;
}

.sps-nav-menu__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 18px;
    right: 18px;
    height: 2px;
    background: var(--sps-accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.25s ease;
}

.sps-nav-menu__link:hover {
    color: var(--sps-accent);
}

.sps-nav-menu__link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Active state for desktop nav */
.sps-nav-menu__link--active {
    color: var(--sps-accent);
    font-weight: 600;
}

.sps-nav-menu__link--active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.sps-nav-menu__label {
    font-size: 14px;
    font-weight: 500;
}

/* ── Header Actions (Search + Cart) ───────────────────────── */
.sps-header__actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

/* Search Toggle Button */
.sps-header__search-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--sps-dark);
    font-size: 20px;
    padding: 6px;
    transition: var(--sps-trans);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sps-header__search-toggle:hover,
.sps-header__search-toggle.active {
    color: var(--sps-accent);
    transform: scale(1.1);
}

/* Cart Icon with Badge */
.sps-header__cart {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sps-dark);
    transition: var(--sps-trans);
    font-size: 0;
    padding: 4px;
}

.sps-header__cart svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    transition: var(--sps-trans);
}

.sps-header__cart:hover {
    color: var(--sps-accent);
    transform: scale(1.15);
}

/* Cart Badge */
.sps-cart-count {
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--sps-accent);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: sps-badge-pop 0.3s ease;
}

@keyframes sps-badge-pop {
    0% { transform: scale(0.8); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* Mobile Menu Toggle */
.sps-header__menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
    transition: var(--sps-trans);
}

.sps-header__menu-line {
    width: 24px;
    height: 2.5px;
    background: var(--sps-dark);
    border-radius: 2px;
    transition: var(--sps-trans);
}

.sps-header__menu-toggle.active .sps-header__menu-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.sps-header__menu-toggle.active .sps-header__menu-line:nth-child(2) {
    opacity: 0;
}

.sps-header__menu-toggle.active .sps-header__menu-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ── Search Bar ───────────────────────────────────────────── */
.sps-header__search-bar {
    display: none;
    background: var(--sps-light);
    border-bottom: 1px solid var(--sps-border);
    padding: 20px 0;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 999;
    animation: sps-slide-down 0.3s ease;
}

.sps-header__search-bar.active {
    display: block;
}

@keyframes sps-slide-down {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sps-search-form {
    display: flex;
    gap: 12px;
    position: relative;
}

.sps-search-form__input {
    flex: 1;
    padding: 12px 18px;
    border: 1px solid var(--sps-border);
    border-radius: 8px;
    font-size: 15px;
    font-family: var(--sps-font);
    outline: none;
    transition: var(--sps-trans);
}

.sps-search-form__input:focus {
    border-color: var(--sps-accent);
    box-shadow: 0 0 0 3px rgba(232, 93, 4, 0.1);
}

.sps-search-form__input::placeholder {
    color: var(--sps-gray-lt);
}

.sps-search-form__submit {
    padding: 12px 24px;
    background: var(--sps-accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--sps-trans);
    font-size: 15px;
}

.sps-search-form__submit:hover {
    background: var(--sps-accent-dk);
    transform: translateY(-1px);
}

.sps-search-form__close {
    position: absolute;
    right: calc(100% + 60px);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--sps-dark);
    padding: 0;
    transition: var(--sps-trans);
}

.sps-search-form__close:hover {
    color: var(--sps-accent);
}

/* ── Mobile Menu ──────────────────────────────────────────── */
.sps-header__mobile-menu {
    display: none;
    background: var(--sps-white);
    border-top: 1px solid var(--sps-border);
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 999;
    animation: sps-slide-down 0.3s ease;
}

.sps-header__mobile-menu.active {
    display: block;
}

.sps-mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 0;
}

.sps-mobile-menu__item {
    border-bottom: 1px solid var(--sps-light-2);
}

.sps-mobile-menu__item:last-child {
    border-bottom: none;
}

.sps-mobile-menu__link {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 16px 20px;
    color: var(--sps-dark);
    font-weight: 500;
    font-size: 15px;
    transition: var(--sps-trans);
}

.sps-mobile-menu__link:active {
    background: var(--sps-light);
    color: var(--sps-accent);
}

/* Active state for mobile menu */
.sps-mobile-menu__link--active {
    background: rgba(232, 93, 4, 0.08);
    color: var(--sps-accent);
    font-weight: 600;
    border-left: 3px solid var(--sps-accent);
    padding-left: 17px;
}

.sps-mobile-menu__label {
    flex: 1;
}

/* ── Responsive Design ────────────────────────────────────── */
@media (max-width: 820px) {
    
    .sps-header__wrapper {
        gap: 12px;
        padding: 10px 20px;
        height: 60px;
    }

    /* Hide desktop nav on mobile */
    .sps-header__nav {
        display: none;
    }

    /* Show mobile menu toggle */
    .sps-header__menu-toggle {
        display: flex;
    }

    /* Logo adjustment for mobile */
    .sps-logo {
        gap: 8px;
    }

    .sps-logo__mark {
        width: 40px;
        height: 40px;
    }

    .sps-logo__text-main {
        font-size: 14px;
    }

    .sps-logo__text-sub {
        font-size: 10px;
    }

    /* Search form responsive */
    .sps-search-form {
        flex-direction: column;
    }

    .sps-search-form__submit {
        width: 100%;
    }

    .sps-search-form__close {
        position: static;
        transform: none;
        align-self: flex-end;
        margin-top: -40px;
    }
}

@media (max-width: 480px) {
    
    .sps-header__wrapper {
        height: 56px;
        padding: 8px 12px;
    }

    .sps-header__actions {
        gap: 10px;
    }

    .sps-logo {
        gap: 6px;
    }

    .sps-logo__mark {
        width: 36px;
        height: 36px;
    }

    .sps-logo__text-main {
        font-size: 12px;
    }

    .sps-logo__text-sub {
        font-size: 9px;
    }

    .sps-search-form__input {
        padding: 10px 12px;
        font-size: 14px;
    }

    .sps-search-form__submit {
        padding: 10px 16px;
        font-size: 14px;
    }

    .sps-mobile-menu__link {
        padding: 14px 16px;
        font-size: 14px;
    }
}

/* ── Animation on scroll ──────────────────────────────────── */
.sps-header.sps-header--sticky {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* ── Accessibility ────────────────────────────────────────── */
.sps-header__search-toggle:focus,
.sps-header__menu-toggle:focus,
.sps-header__cart:focus,
.sps-nav-menu__link:focus {
    outline: 2px solid var(--sps-accent);
    outline-offset: 2px;
}