/* =========================================================
   EPICDROPS — HEADER
========================================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;

    width: 100%;

    background: rgba(7, 7, 11, 0.76);
    border-bottom: 1px solid transparent;

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    transition:
        background var(--transition-normal),
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

.site-header.is-scrolled {
    background: rgba(7, 7, 11, 0.94);
    border-bottom-color: var(--color-border);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.22);
}

/* =========================================================
   NAVBAR
========================================================= */

.navbar {
    min-height: var(--header-height);

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.navbar__brand {
    flex-shrink: 0;

    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.navbar__logo {
    position: relative;

    width: 44px;
    height: 44px;

    display: flex;
    align-items: center;
    justify-content: center;

    color: #ffffff;

    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.13),
            rgba(255, 255, 255, 0.025)
        ),
        var(--color-surface);

    border: 1px solid rgba(139, 92, 246, 0.34);
    border-radius: 14px;

    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 10px 30px rgba(139, 92, 246, 0.14);

    overflow: hidden;
}

.navbar__logo::before {
    content: "";

    position: absolute;
    inset: -40%;

    background: radial-gradient(
        circle,
        rgba(139, 92, 246, 0.36),
        transparent 62%
    );

    pointer-events: none;
}

.navbar__logo span {
    position: relative;
    z-index: 1;

    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.08em;
}

.navbar__logo span:first-child {
    transform: translateX(1px);
}

.navbar__logo span:last-child {
    color: #bba8ff;
    transform: translateX(-1px);
}

.navbar__brand-text {
    display: flex;
    flex-direction: column;

    line-height: 1;
}

.navbar__title {
    color: var(--color-text);

    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.navbar__subtitle {
    margin-top: 5px;

    color: var(--color-text-dark);

    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* =========================================================
   DESKTOP MENU
========================================================= */

.navbar__menu {
    flex: 1;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.navbar__menu a {
    position: relative;

    padding: 10px 12px;

    color: var(--color-text-muted);
    border-radius: 10px;

    font-size: 13px;
    font-weight: 600;

    transition:
        color var(--transition-fast),
        background var(--transition-fast);
}

.navbar__menu a::after {
    content: "";

    position: absolute;
    right: 12px;
    bottom: 5px;
    left: 12px;

    height: 1px;

    background: linear-gradient(
        90deg,
        transparent,
        var(--color-primary),
        transparent
    );

    opacity: 0;
    transform: scaleX(0.5);

    transition:
        opacity var(--transition-fast),
        transform var(--transition-fast);
}

.navbar__menu a:hover,
.navbar__menu a:focus-visible {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.035);
}

.navbar__menu a:hover::after,
.navbar__menu a:focus-visible::after {
    opacity: 1;
    transform: scaleX(1);
}

/* =========================================================
   ACTIONS
========================================================= */

.navbar__actions {
    flex-shrink: 0;

    display: flex;
    align-items: center;
    gap: 8px;
}

.navbar__icon,
.navbar__mobile-toggle {
    position: relative;

    width: 42px;
    height: 42px;
    padding: 0;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    color: var(--color-text-soft);
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid var(--color-border);
    border-radius: 12px;

    font-size: 16px;
    line-height: 1;

    transition:
        color var(--transition-fast),
        background var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.navbar__icon:hover,
.navbar__mobile-toggle:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.07);
    border-color: var(--color-border-hover);

    transform: translateY(-1px);
}

.navbar__icon:focus-visible,
.navbar__mobile-toggle:focus-visible {
    outline: 3px solid rgba(139, 92, 246, 0.24);
    outline-offset: 3px;
}

.navbar__cart-count {
    position: absolute;
    top: -5px;
    right: -5px;

    min-width: 18px;
    height: 18px;
    padding: 0 5px;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    color: #ffffff;
    background: var(--gradient-primary);
    border: 2px solid var(--color-background);
    border-radius: var(--radius-full);

    font-size: 9px;
    font-weight: 800;
    line-height: 1;
}

.navbar__login {
    min-height: 42px;
    padding-inline: 17px;

    border-radius: 12px;
}

.navbar__mobile-toggle {
    display: none;
}

/* =========================================================
   MOBILE PANEL — HIDDEN BY DEFAULT
========================================================= */

.mobile-overlay,
.mobile-menu {
    display: none;
}

.mobile-overlay {
    position: fixed;
    inset: 0;
    z-index: 1100;

    background: rgba(0, 0, 0, 0.7);

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);

    transition:
        opacity 260ms ease,
        visibility 260ms ease;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1200;

    width: min(340px, 88vw);
    height: 100dvh;

    flex-direction: column;

    background:
        radial-gradient(
            circle at 100% 0%,
            rgba(139, 92, 246, 0.12),
            transparent 35%
        ),
        #111118;

    border-left: 1px solid var(--color-border);

    box-shadow: -24px 0 70px rgba(0, 0, 0, 0.45);

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transform: translateX(100%);

    transition:
        transform 320ms cubic-bezier(0.22, 1, 0.36, 1),
        opacity 240ms ease,
        visibility 240ms ease;
}

/* =========================================================
   MOBILE MENU HEADER
========================================================= */

.mobile-menu__header {
    min-height: 78px;
    padding: 18px 20px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;

    border-bottom: 1px solid var(--color-border);
}

.mobile-menu__header h3 {
    margin: 0;

    color: #ffffff;

    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.mobile-menu__close {
    flex-shrink: 0;

    width: 42px;
    height: 42px;
    padding: 0;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    color: var(--color-text-soft);
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid var(--color-border);
    border-radius: 12px;

    font-size: 17px;
    line-height: 1;

    cursor: pointer;

    transition:
        color var(--transition-fast),
        background var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-normal);
}

.mobile-menu__close:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-border-hover);

    transform: rotate(90deg);
}

.mobile-menu__close:focus-visible {
    outline: 3px solid rgba(139, 92, 246, 0.24);
    outline-offset: 3px;
}

/* =========================================================
   MOBILE MENU NAVIGATION
========================================================= */

.mobile-menu__nav {
    padding: 16px;

    display: flex;
    flex-direction: column;
    gap: 6px;

    overflow-y: auto;
    overscroll-behavior: contain;
}

.mobile-menu__nav a {
    min-height: 52px;
    padding: 0 14px;

    display: flex;
    align-items: center;

    color: var(--color-text-soft);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 12px;

    font-size: 14px;
    font-weight: 600;

    transition:
        color var(--transition-fast),
        background var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.mobile-menu__nav a:hover,
.mobile-menu__nav a:focus-visible {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-border);

    transform: translateX(2px);
}

.mobile-menu__footer {
    margin-top: auto;
    padding: 20px;

    border-top: 1px solid var(--color-border);
}

/* =========================================================
   RESPONSIVE
========================================================= */

@media (max-width: 1080px) {
    .navbar {
        gap: 18px;
    }

    .navbar__menu {
        gap: 0;
    }

    .navbar__menu a {
        padding-inline: 9px;
        font-size: 12px;
    }

    .navbar__subtitle {
        display: none;
    }
}

@media (max-width: 1024px) {
    .site-header {
        background: rgba(7, 7, 11, 0.92);
        border-bottom-color: var(--color-border);
    }

    .navbar {
        min-height: 70px;
    }

    .navbar__menu,
    .navbar__login {
        display: none;
    }

    .navbar__mobile-toggle {
        display: inline-flex;
    }

    .navbar__icon {
        display: inline-flex;
    }

    .mobile-overlay {
        display: block;
    }

    .mobile-menu {
        display: flex;
    }

    body.menu-open .mobile-overlay {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    body.menu-open .mobile-menu {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;

        transform: translateX(0);
    }
}

@media (min-width: 1025px) {
    .mobile-overlay,
    .mobile-menu {
        display: none !important;
    }
}

@media (max-width: 560px) {
    .navbar__brand {
        gap: 9px;
    }

    .navbar__logo {
        width: 40px;
        height: 40px;

        border-radius: 12px;
    }

    .navbar__title {
        font-size: 14px;
    }

    .navbar__actions {
        gap: 6px;
    }

    .navbar__icon,
    .navbar__mobile-toggle {
        width: 39px;
        height: 39px;

        border-radius: 11px;
    }
}

@media (max-width: 390px) {
    .navbar__brand-text {
        display: none;
    }
}