/* Modern Design System for Musabe Schools */
:root {
    --primary-green: #009654;
    --secondary-green: #00a654;
    --accent-green: #76b38f;
    --dark-green: #006b3a;
    --light-green: #e8f5e8;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --white: #ffffff;
    --gray-light: #f8f9fa;
    --gray-medium: #e9ecef;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}

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

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-top {
    background: var(--primary-green);
    color: var(--white);
    padding: 8px 0;
    font-size: 14px;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-contact {
    display: flex;
    gap: 30px;
}

.header-contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.header-social a {
    color: var(--white);
    transition: opacity 0.3s ease;
}

.header-social a:hover {
    opacity: 0.8;
}

.header-main {
    padding: 15px 0;
    background: var(--white);
}

.header-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-green);
    text-decoration: none;
}

.logo img {
    height: 50px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background: var(--primary-green);
    border-radius: 3px;
    transition: all 0.3s ease;
    transform-origin: 1px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    padding: 10px 0;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-green);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-green);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    border-radius: 8px;
    padding: 10px 0;
    list-style: none;
}

.nav-menu li:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-menu li {
    padding: 0;
}

.sub-menu a {
    padding: 12px 20px;
    display: block;
    color: var(--text-dark);
    font-weight: 400;
}

.sub-menu a:hover {
    background: var(--light-green);
    color: var(--primary-green);
}

/* Page Header */
.page-header {
    margin-top: 120px;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.page-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 18px;
    opacity: 0.9;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-gray {
    background: var(--gray-light);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.section-title p {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Content Cards */
.content-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 30px;
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    height: 250px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.content-card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 30px;
}

.card-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.card-description {
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.6;
}

/* Buttons */
.btn {
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
}

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

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

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

.btn-secondary:hover {
    background: var(--primary-green);
    color: var(--white);
}

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

.btn-white:hover {
    background: transparent;
    color: var(--white);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--gray-medium);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-green);
}

.form-control.error {
    border-color: #e74c3c;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

/* Tables */
.modern-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.modern-table th {
    background: var(--primary-green);
    color: var(--white);
    padding: 15px;
    text-align: left;
    font-weight: 600;
}

.modern-table td {
    padding: 15px;
    border-bottom: 1px solid var(--gray-medium);
}

.modern-table tr:hover {
    background: var(--light-green);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-info {
    font-size: 14px;
}

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

.footer-social a {
    color: var(--white);
    font-size: 18px;
    transition: color 0.3s ease;
}

.footer-social a:hover {
    color: var(--primary-green);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mt-0 { margin-top: 0; }
.mb-20 { margin-bottom: 20px; }
.mt-20 { margin-top: 20px; }
.p-20 { padding: 20px; }
.p-30 { padding: 30px; }

/* Responsive Design */
@media (max-width: 768px) {
    .header-contact {
        flex-direction: column;
        gap: 10px;
    }

    .header-main .container {
        flex-direction: column;
        gap: 20px;
    }

    /* Mobile Menu Styles */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        gap: 0;
        padding: 80px 20px 20px;
        transition: right 0.3s ease;
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }

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

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid var(--gray-medium);
    }

    .nav-menu a {
        padding: 15px 0;
        display: block;
        width: 100%;
    }

    .nav-menu a::after {
        display: none;
    }

    .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--gray-light);
        margin-left: 20px;
        margin-top: 10px;
        margin-bottom: 10px;
        border-radius: 8px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .nav-menu li:hover .sub-menu,
    .nav-menu li.active .sub-menu {
        max-height: 300px;
    }

    .sub-menu a {
        padding: 10px 15px;
        font-size: 14px;
    }

    /* Mobile overlay */
    .mobile-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
    }

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

    .page-title {
        font-size: 28px;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    /* Adjust header for mobile */
    .header-main {
        padding: 10px 0;
    }

    .header-main .container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .logo img {
        height: 40px;
    }
}

@media (max-width: 480px) {
    .header-contact {
        font-size: 12px;
        gap: 15px;
    }

    .header-contact-item {
        gap: 5px;
    }

    .header-social {
        gap: 10px;
    }

    .page-header {
        margin-top: 100px;
        padding: 40px 0;
    }

    .page-title {
        font-size: 24px;
    }

    .page-subtitle {
        font-size: 16px;
    }

    .section {
        padding: 60px 0;
    }

    .section-title h2 {
        font-size: 24px;
    }

    .card-content {
        padding: 20px;
    }

    .card-title {
        font-size: 20px;
    }
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.preloader.hidden {
    display: none;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Breadcrumb */
.breadcrumb {
    background: var(--gray-light);
    padding: 15px 0;
    margin-top: 120px;
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.breadcrumb a {
    color: var(--primary-green);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb .separator {
    color: var(--text-light);
}

.breadcrumb .current {
    color: var(--text-dark);
    font-weight: 500;
}