/* Reset dan Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #1a73e8;
    --primary-dark-blue: #0d47a1;
    --secondary-blue: #4285f4;
    --light-blue: #e8f0fe;
    --accent-blue: #5c6bc0;
    --dark-gray: #333;
    --medium-gray: #666;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark-gray);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 1001;
}

.logo {
    height: 60px;
    width: auto;
}

.logo-placeholder {
    height: 60px;
    width: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark-blue));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 28px;
}

.school-info {
    display: flex;
    flex-direction: column;
}

.school-name {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-dark-blue);
    margin-bottom: 5px;
}

.tagline {
    font-size: 0.85rem;
    color: var(--medium-gray);
    font-style: italic;
}

/* Navigation Styles - DESKTOP VERSION */
.main-nav {
    display: flex;
    align-items: center;
}

/* Menu Toggle Button - HIDDEN ON DESKTOP */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--primary-blue);
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 4px;
    transition: var(--transition);
    z-index: 1001;
}

.menu-toggle:hover {
    background-color: var(--light-blue);
}

.menu-toggle .fa-times {
    display: none;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 25px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 4px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.nav-link.active {
    color: var(--primary-blue);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 3px;
    background-color: var(--primary-blue);
    border-radius: 2px;
}

.btn-login {
    background-color: var(--primary-blue);
    color: var(--white) !important;
    padding: 10px 20px !important;
    border-radius: 30px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn-login:hover {
    background-color: var(--primary-dark-blue);
    transform: translateY(-2px);
}

/* Menu Overlay */
.menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.menu-overlay.active {
    display: block;
    opacity: 1;
}

/* ============================================= */
/* RESPONSIVE STYLES - TABLET & MOBILE */
/* ============================================= */

/* Tablet (max-width: 992px) */
@media screen and (max-width: 992px) {
    .header-container {
        padding: 10px 15px;
        position: relative;
    }
    
    /* Show menu toggle button */
    .menu-toggle {
        display: block;
        order: 2;
    }
    
    /* Hide regular nav list by default */
    .nav-list {
        position: fixed;
        top: 80px;
        right: -280px;
        width: 280px;
        height: calc(100vh - 80px);
        background-color: var(--white);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        align-items: flex-start;
        padding: 30px 25px;
        gap: 15px;
        transition: right 0.3s ease-in-out;
        z-index: 999;
        overflow-y: auto;
    }
    
    /* Show nav list when active */
    .nav-list.active {
        right: 0;
    }
    
    /* Change active menu toggle icon */
    .menu-toggle.active .fa-bars {
        display: none;
    }
    
    .menu-toggle.active .fa-times {
        display: block;
    }
    
    /* Style nav links for mobile */
    .nav-link {
        width: 100%;
        padding: 12px 15px;
        border-radius: 8px;
        font-size: 1rem;
    }
    
    .nav-link.active::after {
        left: 15px;
        transform: none;
        width: 20px;
    }
    
    /* Style login button for mobile */
    .btn-login {
        width: 100%;
        text-align: center;
        justify-content: center;
        margin-top: 10px;
    }
    
    /* Adjust logo section */
    .logo-section {
        order: 1;
        flex: 1;
    }
    
    .school-name {
        font-size: 1.2rem;
    }
    
    .logo {
        height: 50px;
    }
    
    .logo-placeholder {
        height: 50px;
        width: 50px;
        font-size: 24px;
    }
    
    /* Tablet adjustments for hero */
    .hero-title {
        font-size: 2.5rem;
    }
    
    .nav-list {
        gap: 15px;
    }
    
    .nav-link {
        padding: 8px 10px;
        font-size: 0.9rem;
    }
    
    .btn-login {
        padding: 8px 15px !important;
    }
}

/* Mobile (max-width: 768px) */
@media screen and (max-width: 768px) {
    .hero-section {
        padding: 120px 0 60px;
        margin-top: 70px;
    }
    
    .hero-container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .profile-grid {
        grid-template-columns: 1fr;
    }
    
    .academic-info {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        flex-direction: column;
    }
    
    .contact-map iframe {
        height: 300px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    /* Adjust nav list position for smaller mobile */
    .nav-list {
        top: 70px;
        height: calc(100vh - 70px);
    }
}

/* Small Mobile (max-width: 576px) */
@media screen and (max-width: 576px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .announcement-card {
        flex-direction: column;
        text-align: left;
    }
    
    .identity-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 0.9rem;
    }
    
    .facilities-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    /* Adjust nav list width for small screens */
    .nav-list {
        width: 250px;
        right: -250px;
    }
}

/* ============================================= */
/* HERO SECTION (KEEP EXISTING STYLES) */
/* ============================================= */
.hero-section {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark-blue));
    color: var(--white);
    padding: 150px 0 100px;
    margin-top: 90px;
    overflow: hidden;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-content {
    flex: 1;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 600px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--white);
    color: var(--primary-blue);
}

.btn-primary:hover {
    background-color: var(--light-blue);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.hero-image {
    flex: 1;
    animation: fadeInRight 1s ease-out;
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    border-radius: 10px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

/* ============================================= */
/* SECTION STYLES (KEEP EXISTING STYLES) */
/* ============================================= */
.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-dark-blue);
    text-align: center;
    margin-bottom: 10px;
}

.section-subtitle {
    text-align: center;
    color: var(--medium-gray);
    margin-bottom: 50px;
    font-size: 1.1rem;
}

/* ============================================= */
/* PROFILE SECTION (KEEP EXISTING STYLES) */
/* ============================================= */
.profile-section {
    padding: 100px 0;
    background-color: var(--white);
}

.profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.profile-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.profile-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.profile-icon {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.profile-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-dark-blue);
}

.profile-card p {
    color: var(--medium-gray);
    line-height: 1.7;
}

.identity-section {
    margin-bottom: 60px;
}

.subsection-title {
    font-size: 1.8rem;
    color: var(--primary-dark-blue);
    margin-bottom: 30px;
    text-align: center;
}

.identity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.identity-item {
    background-color: var(--light-blue);
    padding: 20px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.identity-item:hover {
    background-color: #d9e6ff;
}

.identity-label {
    font-size: 0.9rem;
    color: var(--medium-gray);
    margin-bottom: 5px;
}

.identity-value {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-blue);
}

.structure-section {
    margin-top: 60px;
}

.structure-image {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
    background-color: var(--light-gray);
    border-radius: 10px;
    padding: 30px;
}

.structure-placeholder {
    text-align: center;
    color: var(--medium-gray);
}

.structure-placeholder i {
    font-size: 4rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

/* ============================================= */
/* ACADEMIC SECTION (KEEP EXISTING STYLES) */
/* ============================================= */
.academic-section {
    padding: 100px 0;
    background-color: var(--light-gray);
}

.academic-info {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.academic-card {
    background-color: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.academic-card h3 {
    font-size: 1.8rem;
    color: var(--primary-dark-blue);
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--light-blue);
}

.program-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.program-item {
    padding: 20px;
    border-radius: 8px;
    background-color: var(--light-blue);
    transition: var(--transition);
}

.program-item:hover {
    background-color: #d9e6ff;
    transform: translateX(5px);
}

.program-item h4 {
    font-size: 1.3rem;
    color: var(--primary-dark-blue);
    margin-bottom: 10px;
}

.program-details {
    display: flex;
    gap: 15px;
    margin-bottom: 10px;
}

.program-jenjang, .program-duration {
    background-color: var(--white);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-blue);
}

.program-desc {
    color: var(--medium-gray);
}

.academic-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.sidebar-card h3 {
    font-size: 1.5rem;
    color: var(--primary-dark-blue);
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--light-blue);
}

.calendar-highlight {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 25px;
}

.calendar-event {
    display: flex;
    gap: 15px;
    align-items: center;
}

.event-date {
    background-color: var(--primary-blue);
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.event-day {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
}

.event-month {
    font-size: 0.9rem;
    font-weight: 500;
}

.event-info h4 {
    font-size: 1.1rem;
    color: var(--dark-gray);
    margin-bottom: 5px;
}

.event-info p {
    font-size: 0.9rem;
    color: var(--medium-gray);
}

.btn-calendar {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-calendar:hover {
    gap: 12px;
    color: var(--primary-dark-blue);
}

.curriculum-list {
    list-style: none;
}

.curriculum-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.curriculum-list i {
    color: var(--primary-blue);
}

/* ============================================= */
/* FACILITIES SECTION (KEEP EXISTING STYLES) */
/* ============================================= */
.facilities-section {
    padding: 100px 0;
    background-color: var(--white);
}

.facilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.facility-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.facility-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.facility-icon {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.facility-card h3 {
    font-size: 1.4rem;
    color: var(--primary-dark-blue);
    margin-bottom: 15px;
}

.facility-card p {
    color: var(--medium-gray);
}

/* ============================================= */
/* ANNOUNCEMENTS SECTION (KEEP EXISTING STYLES) */
/* ============================================= */
.announcements-section {
    padding: 100px 0;
    background-color: var(--light-gray);
}

.announcements-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.announcement-card {
    display: flex;
    gap: 25px;
    background-color: var(--white);
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    align-items: flex-start;
    min-height: auto;
}

.announcement-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.announcement-date {
    background-color: var(--primary-blue);
    color: var(--white);
    width: 70px;
    height: 70px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 5px;
}

.date-day {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
}

.date-month {
    font-size: 1rem;
    font-weight: 500;
}

.announcement-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.announcement-content h3 {
    font-size: 1.3rem;
    color: var(--primary-dark-blue);
    margin-bottom: 12px;
    line-height: 1.4;
}

.announcement-content p {
    color: var(--medium-gray);
    margin-bottom: 15px;
    line-height: 1.6;
    flex-grow: 1;
    overflow: visible;
    text-overflow: clip;
    white-space: normal;
    max-height: none;
}

.announcement-category {
    display: inline-block;
    background-color: var(--light-blue);
    color: var(--primary-blue);
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    align-self: flex-start;
    margin-top: 5px;
}

.announcements-more {
    text-align: center;
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-outline:hover {
    background-color: var(--primary-blue);
    color: var(--white);
}

/* ============================================= */
/* CONTACT SECTION (KEEP EXISTING STYLES) */
/* ============================================= */
.contact-section {
    padding: 100px 0;
    background-color: var(--white);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    background-color: var(--light-blue);
    color: var(--primary-blue);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.3rem;
}

.contact-details h3 {
    font-size: 1.3rem;
    color: var(--primary-dark-blue);
    margin-bottom: 8px;
}

.contact-details p {
    color: var(--medium-gray);
}

.contact-map {
    height: 400px;
    background-color: var(--light-gray);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-placeholder {
    text-align: center;
    color: var(--medium-gray);
}

.map-placeholder i {
    font-size: 4rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

/* ============================================= */
/* FOOTER (KEEP EXISTING STYLES) */
/* ============================================= */
.footer {
    background-color: var(--primary-dark-blue);
    color: var(--white);
    padding: 70px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo-img {
    height: 70px;
    width: auto;
}

.footer-logo-placeholder {
    height: 70px;
    width: 70px;
    background-color: var(--white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 2.5rem;
}

.footer-school-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.footer-school-info p {
    opacity: 0.8;
}

.footer-links h3, .footer-social h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--primary-blue);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ============================================= */
/* STATS SECTION (KEEP EXISTING STYLES) */
/* ============================================= */
.stats-section {
    background-color: var(--white);
    padding: 80px 0;
    position: relative;
    z-index: 1;
    margin-top: -30px;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 115, 232, 0.05), rgba(13, 71, 161, 0.05));
    z-index: -1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.stat-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
    border-left: 5px solid var(--primary-blue);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    border-left-color: var(--primary-dark-blue);
}

.stat-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-dark-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon i {
    font-size: 2rem;
    color: var(--white);
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-dark-blue);
    margin-bottom: 5px;
    line-height: 1;
}

.stat-label {
    font-size: 1.1rem;
    color: var(--medium-gray);
    font-weight: 500;
}

/* ============================================= */
/* BACK TO TOP BUTTON (KEEP EXISTING STYLES) */
/* ============================================= */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-blue);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-dark-blue);
    transform: translateY(-5px);
}

/* ============================================= */
/* ANIMATIONS (KEEP EXISTING STYLES) */
/* ============================================= */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}