/* ============================================
   Header & Navigation
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    padding: var(--space-md) 0;
    transition: all var(--duration-normal) var(--ease-out);
    background-color: var(--color-bg-primary);
    border-bottom: 1px solid transparent;
}

.header--transparent {
    background-color: transparent;
    border-bottom-color: transparent;
}

.header--solid {
    background-color: var(--color-bg-primary);
    border-bottom-color: var(--color-sand);
}

.header--scrolled {
    padding: var(--space-sm) 0;
    background-color: var(--color-bg-primary);
    border-bottom-color: var(--color-sand);
}

.header--transparent .header__logo-text,
.header--transparent .header__nav-link {
    color: var(--color-white);
}

.header--transparent .header__cart-btn,
.header--transparent .header__menu-btn {
    color: var(--color-white);
}

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Logo */
.header__logo {
    text-decoration: none;
    color: var(--color-text-primary);
    transition: color var(--duration-fast) var(--ease-out);
}

.header__logo:hover {
    color: var(--color-accent);
}

.header__logo-text {
    font-family: var(--font-display);
    font-size: var(--fs-xl);
    font-weight: var(--fw-light);
    letter-spacing: var(--ls-wide);
    transition: color var(--duration-fast) var(--ease-out);
}

/* Nav */
.header__nav {
    display: none;
}

@media (min-width: 992px) {
    .header__nav {
        display: block;
    }
}

.header__nav-list {
    display: flex;
    gap: var(--space-xl);
}

.header__nav-link {
    font-family: var(--font-body);
    font-size: var(--fs-sm);
    font-weight: var(--fw-regular);
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
    color: var(--color-text-primary);
    text-decoration: none;
    position: relative;
    padding-bottom: 2px;
    transition: color var(--duration-fast) var(--ease-out);
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width var(--duration-normal) var(--ease-out);
}

.header__nav-link:hover::after,
.header__nav-link--active::after {
    width: 100%;
}

.header__nav-link:hover {
    color: var(--color-accent);
}

/* Actions */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.header__cart-btn {
    position: relative;
    color: var(--color-text-primary);
    transition: color var(--duration-fast) var(--ease-out);
    padding: var(--space-xs);
}

.header__cart-btn:hover {
    color: var(--color-accent);
}

.header__cart-btn svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    stroke-width: 1.5;
    fill: none;
}

.header__cart-count {
    position: absolute;
    top: -2px;
    right: -4px;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: 10px;
    font-weight: var(--fw-medium);
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.header__menu-btn {
    color: var(--color-text-primary);
    transition: color var(--duration-fast) var(--ease-out);
    padding: var(--space-xs);
    display: flex;
    align-items: center;
}

@media (min-width: 992px) {
    .header__menu-btn {
        display: none;
    }
}

.header__menu-btn:hover {
    color: var(--color-accent);
}

.header__menu-btn svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 1.5;
    fill: none;
}

/* === Mobile Menu === */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: var(--z-mobile-menu);
    background-color: var(--color-bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.mobile-menu--open {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu__inner {
    text-align: center;
}

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.mobile-menu__link {
    font-family: var(--font-display);
    font-size: var(--fs-3xl);
    font-weight: var(--fw-light);
    color: var(--color-cream);
    text-decoration: none;
    letter-spacing: var(--ls-wide);
    transition: color var(--duration-fast) var(--ease-out);
}

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

.mobile-menu__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    color: var(--color-cream);
    padding: var(--space-xs);
}

.mobile-menu__close svg {
    width: 28px;
    height: 28px;
    stroke: currentColor;
    stroke-width: 1.5;
    fill: none;
}