/**
 * Navbar Component Styles
 * 숨카(SUMCAR) 프로젝트
 */

/* ========================================
   Navbar Container
   ======================================== */
.navbar {
    width: 100%;
    background-color: transparent;
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: all 350ms ease;
    transition: all var(--transition-slow, 350ms ease);
}

/* Main page only - borders (removed for cleaner design) */

.navbar--sticky {
    position: sticky;
    top: 0;
}

.navbar--scrolled {
    background-color: #0E0E0E;
    background-color: var(--c-bg, #0E0E0E);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-top: 0 !important;
    border-left: 0 !important;
    border-right: 0 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    box-shadow: var(--shadow-card, 0 4px 12px rgba(0, 0, 0, 0.3));
}

/* 스크롤 시 메인 페이지 테두리 강제 제거 */
body.main-page .navbar--scrolled {
    border-top: 0 !important;
    border-left: 0 !important;
    border-right: 0 !important;
}

.navbar__container {
    max-width: 1200px;
    max-width: var(--container-max-width, 1200px);
    margin: 0 auto;
    padding: 0 24px;
    padding: 0 var(--space-24, 24px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    background-color: transparent;
    transition: background-color 350ms ease;
    transition: background-color var(--transition-slow, 350ms ease);
}

.navbar--scrolled .navbar__container {
    background-color: transparent;
}

/* ========================================
   Logo
   ======================================== */
.navbar__logo {
    font-size: 24px;
    font-size: var(--fs-h4, 24px);
    font-weight: 700;
    font-weight: var(--fw-bold, 700);
    color: #FFFFFF;
    color: var(--c-text-light, #FFFFFF);
    text-decoration: none;
    transition: opacity 250ms ease;
    transition: opacity var(--transition-base, 250ms ease);
    display: flex;
    align-items: center;
}

.navbar__logo:hover {
    opacity: 0.8;
}

.navbar__logo-img {
    height: 40px;
    width: auto;
    display: block;
}

/* ========================================
   Hamburger Toggle (Mobile)
   ======================================== */
.navbar__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.navbar__toggle-icon {
    width: 24px;
    height: 2px;
    background-color: #FFFFFF;
    background-color: var(--c-text-light, #FFFFFF);
    transition: all 250ms ease;
    transition: all var(--transition-base, 250ms ease);
}

/* Toggle active state */
.navbar__toggle[aria-expanded="true"] .navbar__toggle-icon:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-icon:nth-child(2) {
    opacity: 0;
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-icon:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ========================================
   Menu
   ======================================== */
.navbar__menu {
    display: flex;
    align-items: center;
    gap: 48px;
    gap: var(--space-48, 48px);
}

.navbar__list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 32px;
    gap: var(--space-32, 32px);
}

.navbar__item {
    margin: 0;
}

.navbar__link {
    font-size: 17px;
    font-size: var(--fs-base, 17px);
    font-weight: 600;
    font-weight: var(--fw-semibold, 600);
    color: #FFFFFF;
    color: var(--c-text-light, #FFFFFF);
    text-decoration: none;
    transition: color 250ms ease;
    transition: color var(--transition-base, 250ms ease);
    position: relative;
}

.navbar__link:hover {
    color: #00B8C6;
    color: var(--c-primary, #00B8C6);
}

.navbar__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #00B8C6;
    background-color: var(--c-primary, #00B8C6);
    transition: width 250ms ease;
    transition: width var(--transition-base, 250ms ease);
}

.navbar__link:hover::after {
    width: 100%;
}

/* Active state */
.navbar__link--active {
    color: #FFFFFF;
    color: var(--c-text-light, #FFFFFF);
}

.navbar__link--active::after {
    width: 100%;
}

/* ========================================
   CTA
   ======================================== */
.navbar__cta {
    flex-shrink: 0;
}

/* ========================================
   Social Links
   ======================================== */
.navbar__social {
    display: flex;
    gap: 12px;
    gap: var(--space-12, 12px);
    flex-shrink: 0;
}

.navbar__social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: color 250ms ease;
    transition: color var(--transition-base, 250ms ease);
    border-radius: 8px;
    border-radius: var(--radius-sm, 8px);
}

.navbar__social-link:hover {
    color: #00B8C6;
    color: var(--c-primary, #00B8C6);
    background-color: rgba(0, 184, 198, 0.1);
}

.navbar__social-link svg {
    width: 24px;
    height: 24px;
}

/* ========================================
   Centered Menu Variant
   ======================================== */
.navbar--centered .navbar__container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
}

.navbar--centered .navbar__logo {
    justify-self: start;
}

.navbar--centered .navbar__toggle {
    grid-column: 3;
    justify-self: end;
}

.navbar--centered .navbar__menu {
    grid-column: 2;
    justify-self: center;
}

.navbar--centered .navbar__list {
    margin: 0;
}

/* Desktop: 로고-메뉴-소셜 레이아웃 */
@media (min-width: 992px) {
    .navbar--centered .navbar__container {
        grid-template-columns: auto 1fr auto;
    }

    .navbar--centered .navbar__menu {
        flex-direction: row;
        align-items: center;
        gap: 48px;
        justify-self: center;
    }

    .navbar--centered .navbar__list {
        margin-right: 0;
    }

    .navbar--centered .navbar__social {
        grid-column: 3;
        justify-self: end;
    }
}

/* ========================================
   Mobile Responsive
   ======================================== */
@media (max-width: 991px) {
    .navbar__toggle {
        display: flex;
    }

    /* 모바일 메뉴가 열릴 때는 항상 배경색 표시 */
    .navbar__toggle[aria-expanded="true"] ~ .navbar__container,
    .navbar__menu.is-open {
        background-color: #0E0E0E;
        background-color: var(--c-bg, #0E0E0E);
    }

    .navbar__menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background-color: #0E0E0E;
        background-color: var(--c-bg, #0E0E0E);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding: 24px;
        padding: var(--space-24, 24px);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 350ms ease;
        transition: all var(--transition-slow, 350ms ease);
    }

    .navbar__menu.is-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .navbar__list {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .navbar__item {
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .navbar__link {
        display: block;
        padding: 16px 0;
        padding: var(--space-16, 16px) 0;
    }

    .navbar__link::after {
        display: none;
    }

    .navbar__cta {
        width: 100%;
        margin-top: 24px;
        margin-top: var(--space-24, 24px);
    }

    .navbar__cta .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Tablet adjustments */
@media (max-width: 991px) and (min-width: 768px) {
    .navbar__container {
        padding: 0 32px;
        padding: 0 var(--space-32, 32px);
    }
}

/* Mobile adjustments */
@media (max-width: 767px) {
    .navbar__container {
        height: 64px;
        padding: 0 16px;
        padding: 0 var(--space-16, 16px);
    }

    .navbar__logo-img {
        height: 32px;
    }

    .navbar__menu {
        top: 64px;
        padding: 16px;
        padding: var(--space-16, 16px);
    }
}

/* ========================================
   Accessibility
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    .navbar__toggle-icon,
    .navbar__link,
    .navbar__link::after,
    .navbar__menu {
        transition: none;
    }
}

/* ========================================
   JavaScript Required Styles
   ======================================== */
.no-js .navbar__menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
}

@media (max-width: 991px) {
    .no-js .navbar__toggle {
        display: none;
    }

    .no-js .navbar__menu {
        position: static;
        flex-direction: column;
    }
}