/* ============================================================
   UPSKILL.ID - LAYOUT CSS
   ============================================================
   File ini berisi styling untuk:
   1. Header / Navbar
   2. Footer
   3. Mobile Menu
   4. Search Overlay
   
   File ini WAJIB di-include di semua halaman yang punya 
   header & footer.
============================================================ */


/* ============================================================
   1. HEADER / NAVBAR
   ============================================================ */

.header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow 0.3s ease, background 0.3s ease;
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.header-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .header-container {
        padding: 0 var(--space-6);
    }
}

@media (min-width: 1024px) {
    .header-container {
        padding: 0 var(--space-8);
    }
}

/* Logo */
.header-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: var(--font-extrabold);
    color: var(--color-primary);
    letter-spacing: var(--tracking-tight);
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.header-logo:hover {
    transform: scale(1.05);
}

.header-logo-highlight {
    color: var(--color-secondary);
}

/* Navigation Menu */
.header-nav {
    display: none;
    align-items: center;
    gap: var(--space-1);
    flex: 1;
    justify-content: center;
}

@media (min-width: 1024px) {
    .header-nav {
        display: flex;
    }
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4);
    color: var(--color-text-primary);
    font-weight: var(--font-medium);
    font-size: var(--text-base);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-gray-50);
}

.nav-link.active {
    color: var(--color-primary);
    font-weight: var(--font-semibold);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 3px;
    background: var(--color-secondary);
    border-radius: var(--radius-full);
}

.nav-link-arrow {
    transition: transform 0.3s ease;
    font-size: 12px;
}

.nav-item:hover .nav-link-arrow {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.nav-dropdown {
    position: absolute;
    top: calc(100% + 15px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 280px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    padding: var(--space-3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    top: 100%;
}

.nav-dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 8px;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
}

.dropdown-item:hover {
    background: var(--color-secondary-100);
    color: var(--color-primary);
    transform: translateX(4px);
}

.dropdown-icon {
    font-size: var(--text-lg);
    flex-shrink: 0;
}

.dropdown-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-2) 0;
}

.dropdown-link-all {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2);
    color: var(--color-accent);
    font-weight: var(--font-semibold);
    font-size: var(--text-sm);
    text-decoration: none;
    transition: var(--transition-fast);
}

.dropdown-link-all:hover {
    color: var(--color-accent-dark);
}

/* Header Right Section */
.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

/* Icon Buttons */
.header-icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: var(--text-xl);
    position: relative;
}

.header-icon-btn:hover {
    background: var(--color-gray-100);
}

/* Notification Badge */
.notification-badge {
    position: absolute;
    top: 6px;
    right: 6px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--color-error);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: 10px;
    font-weight: var(--font-bold);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-white);
}

/* Auth Buttons (Not Logged In) */
.header-auth {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

@media (max-width: 640px) {
    .header-auth .btn {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-sm);
    }
    
    .btn-login-text {
        display: none;
    }
}

/* User Dropdown */
.user-menu {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-2);
    background: none;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-fast);
}

.user-menu-trigger:hover {
    border-color: var(--color-secondary);
    background: var(--color-gray-50);
}

.user-menu-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--color-secondary);
}

.user-menu-name {
    display: none;
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    font-size: var(--text-sm);
}

@media (min-width: 1024px) {
    .user-menu-name {
        display: block;
    }
}

.user-menu-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 280px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: var(--z-dropdown);
}

.user-menu.active .user-menu-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-header {
    padding: var(--space-4);
    background: var(--color-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.user-menu-header-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-secondary);
    flex-shrink: 0;
}

.user-menu-header-info {
    flex: 1;
    min-width: 0;
}

.user-menu-header-name {
    font-weight: var(--font-bold);
    font-size: var(--text-base);
    color: var(--color-white);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-menu-header-email {
    font-size: var(--text-xs);
    color: var(--color-primary-300);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-menu-list {
    padding: var(--space-2);
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    color: var(--color-text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    transition: var(--transition-fast);
    cursor: pointer;
}

.user-menu-item:hover {
    background: var(--color-gray-50);
    color: var(--color-primary);
}

.user-menu-item-icon {
    font-size: var(--text-lg);
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.user-menu-item-logout {
    color: var(--color-error);
}

.user-menu-item-logout:hover {
    background: var(--color-error-light);
    color: var(--color-error);
}

.user-menu-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-2) 0;
}


/* ============================================================
   2. MOBILE MENU
   ============================================================ */

.mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-primary);
    font-size: var(--text-2xl);
    padding: 0;
}

@media (min-width: 1024px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-white);
    z-index: var(--z-modal);
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-menu-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: var(--text-xl);
    color: var(--color-text-primary);
    transition: var(--transition-fast);
}

.mobile-menu-close:hover {
    background: var(--color-gray-200);
}

.mobile-menu-body {
    flex: 1;
    padding: var(--space-4);
    overflow-y: auto;
}

.mobile-menu-user {
    padding: var(--space-4);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.mobile-menu-user-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-secondary);
}

.mobile-menu-user-info {
    flex: 1;
    min-width: 0;
}

.mobile-menu-user-name {
    font-weight: var(--font-bold);
    margin-bottom: 2px;
}

.mobile-menu-user-email {
    font-size: var(--text-sm);
    color: var(--color-primary-300);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mobile-menu-section-title {
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin: var(--space-6) 0 var(--space-2);
    padding: 0 var(--space-3);
}

.mobile-menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    color: var(--color-text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: var(--font-medium);
    transition: var(--transition-fast);
    margin-bottom: var(--space-1);
    cursor: pointer;
}

.mobile-menu-item:hover {
    background: var(--color-gray-50);
    color: var(--color-primary);
}

.mobile-menu-item.active {
    background: var(--color-secondary-100);
    color: var(--color-primary);
    font-weight: var(--font-semibold);
}

.mobile-menu-item-icon {
    font-size: var(--text-xl);
    width: 24px;
    text-align: center;
}

.mobile-menu-item-arrow {
    margin-left: auto;
    color: var(--color-text-tertiary);
}

.mobile-menu-submenu {
    padding-left: var(--space-8);
    display: none;
}

.mobile-menu-submenu.active {
    display: block;
}

.mobile-menu-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}


/* ============================================================
   3. SEARCH OVERLAY
   ============================================================ */

.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: var(--z-modal);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: var(--space-20) var(--space-4) var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-overlay-content {
    width: 100%;
    max-width: 600px;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.search-overlay.active .search-overlay-content {
    transform: translateY(0);
}

.search-overlay-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
    color: var(--color-white);
}

.search-overlay-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-white);
    cursor: pointer;
    font-size: var(--text-xl);
    transition: var(--transition-fast);
}

.search-overlay-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.search-overlay-input-wrapper {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-1);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    box-shadow: var(--shadow-2xl);
    margin-bottom: var(--space-4);
}

.search-overlay-input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    border: none;
    outline: none;
    font-size: var(--text-lg);
    background: transparent;
}

.search-overlay-btn {
    padding: var(--space-3) var(--space-6);
    background: var(--color-secondary);
    color: var(--color-primary);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: var(--font-bold);
    cursor: pointer;
    transition: var(--transition-fast);
}

.search-overlay-btn:hover {
    background: var(--color-secondary-light);
}

.search-overlay-suggestions {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    box-shadow: var(--shadow-2xl);
}

.search-suggestions-title {
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
}

.search-suggestions-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.search-suggestion-tag {
    padding: var(--space-2) var(--space-3);
    background: var(--color-gray-100);
    color: var(--color-text-primary);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
}

.search-suggestion-tag:hover {
    background: var(--color-secondary);
    color: var(--color-primary);
}


/* ============================================================
   4. FOOTER
   ============================================================ */

.footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--space-16) 0 0;
    margin-top: auto;
}

.footer-container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 640px) {
    .footer-container {
        padding: 0 var(--space-6);
    }
}

@media (min-width: 1024px) {
    .footer-container {
        padding: 0 var(--space-8);
    }
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    padding-bottom: var(--space-12);
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
        gap: var(--space-8);
    }
}

/* Footer Section */
.footer-section-title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-bold);
    color: var(--color-white);
    margin-bottom: var(--space-5);
    position: relative;
    padding-bottom: var(--space-2);
}

.footer-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--color-secondary);
    border-radius: var(--radius-full);
}

/* Footer About */
.footer-logo {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: var(--font-extrabold);
    color: var(--color-white);
    text-decoration: none;
    margin-bottom: var(--space-4);
}

.footer-logo-highlight {
    color: var(--color-secondary);
}

.footer-description {
    color: var(--color-primary-300);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-5);
    font-size: var(--text-sm);
}

/* Social Media */
.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-size: var(--text-lg);
    transition: var(--transition-fast);
}

.footer-social-link:hover {
    background: var(--color-secondary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(234, 179, 8, 0.4);
}

/* Footer Links */
.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-link {
    color: var(--color-primary-300);
    text-decoration: none;
    font-size: var(--text-sm);
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.footer-link:hover {
    color: var(--color-secondary);
    transform: translateX(4px);
}

.footer-link::before {
    content: '→';
    opacity: 0;
    transition: var(--transition-fast);
    margin-left: -12px;
}

.footer-link:hover::before {
    opacity: 1;
    margin-left: 0;
}

/* Newsletter */
.footer-newsletter-desc {
    color: var(--color-primary-300);
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
    line-height: var(--leading-relaxed);
}

.footer-newsletter-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer-newsletter-input {
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-size: var(--text-sm);
    outline: none;
    transition: var(--transition-fast);
}

.footer-newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.footer-newsletter-input:focus {
    border-color: var(--color-secondary);
    background: rgba(255, 255, 255, 0.15);
}

.footer-newsletter-btn {
    padding: var(--space-3);
    background: var(--color-secondary);
    color: var(--color-primary);
    border: none;
    border-radius: var(--radius-md);
    font-weight: var(--font-bold);
    cursor: pointer;
    transition: var(--transition-fast);
}

.footer-newsletter-btn:hover {
    background: var(--color-secondary-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(234, 179, 8, 0.4);
}

/* Footer Contact */
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    color: var(--color-primary-300);
    font-size: var(--text-sm);
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-5) 0;
}

.footer-bottom-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
    justify-content: space-between;
}

@media (min-width: 768px) {
    .footer-bottom-content {
        flex-direction: row;
    }
}

.footer-copyright {
    color: var(--color-primary-400);
    font-size: var(--text-sm);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-copyright {
        text-align: left;
    }
}

.footer-payment {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-primary-300);
    font-size: var(--text-xs);
}

.footer-payment-logos {
    display: flex;
    gap: var(--space-2);
}

.footer-payment-logo {
    padding: var(--space-1) var(--space-2);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
    font-weight: var(--font-semibold);
}


/* ============================================================
   5. WHATSAPP FLOATING BUTTON
   ============================================================ */

.wa-float {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    text-decoration: none;
    z-index: var(--z-fixed);
    transition: var(--transition-base);
    animation: bounce-in 1s ease-out 1s backwards;
}

.wa-float:hover {
    transform: scale(1.1);
    color: var(--color-white);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.5);
}

.wa-float-tooltip {
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    white-space: nowrap;
    margin-right: var(--space-3);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    pointer-events: none;
}

.wa-float:hover .wa-float-tooltip {
    opacity: 1;
    visibility: visible;
    margin-right: var(--space-4);
}

.wa-float-tooltip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--color-primary);
}

@keyframes bounce-in {
    0% {
        opacity: 0;
        transform: scale(0);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}


/* ============================================================
   6. SCROLL TO TOP BUTTON
   ============================================================ */

.scroll-to-top {
    position: fixed;
    bottom: 100px;
    right: var(--space-6);
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-fixed);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-2xl);
}


/* ============================================================
   7. MAIN CONTENT (untuk halaman)
   ============================================================ */

.main-content {
    min-height: calc(100vh - 72px);
}

/* Prevent scroll saat mobile menu terbuka */
body.mobile-menu-open {
    overflow: hidden;
}