/* ========================================
   CSS Reset & Base Styles
   ======================================== */

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

:root {
    --color-primary: #5860c5;      /* Purple/Blue */
    --color-secondary: #289250;    /* Green */
    --color-accent: #0251ad;       /* Blue */
    --color-header-footer: #c2f0bf; /* Light green - Header/Footer background */
    --color-primary-light: #7078d4;
    --color-secondary-light: #32a85e;
    --color-accent-light: #0362cc;
    --color-primary-dark: #464ba0;
    --color-secondary-dark: #1f7440;
    --color-text: #2d3748;
    --color-text-light: #718096;
    --color-background: #f7fafc;
    --color-white: #ffffff;
    --color-gray-100: #f7fafc;
    --color-gray-200: #edf2f7;
    --color-gray-300: #e2e8f0;
    --color-gray-400: #cbd5e0;
    --color-gray-500: #a0aec0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ========================================
   Header
   ======================================== */

.header {
    background-color: var(--color-header-footer);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

.user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.user-avatar:hover {
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
}

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

.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    right: 16px;
    width: 12px;
    height: 12px;
    background: var(--color-white);
    transform: rotate(45deg);
    box-shadow: -2px -2px 4px rgba(0, 0, 0, 0.05);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--color-gray-200);
}

.dropdown-item:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.dropdown-item:last-child {
    border-bottom: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.dropdown-item:hover {
    background-color: var(--color-gray-100);
    color: var(--color-primary);
}

.dropdown-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-text-light);
}

.dropdown-item:hover svg {
    color: var(--color-primary);
}

.logo-link {
    display: flex;
    align-items: center;
}

.logo {
    height: 50px;
    width: auto;
    transition: transform 0.2s ease;
}

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

/* ========================================
   Page Separator
   ======================================== */

.page-separator {
    height: 5px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

/* ========================================
   Main Actions Section
   ======================================== */

.main-actions {
    padding: 4rem 0;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
}

.action-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.action-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-primary {
    border-top: 4px solid var(--color-primary);
}

.card-secondary {
    border-top: 4px solid var(--color-secondary);
}

.card-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: var(--color-white);
}

.card-secondary .card-icon {
    background: linear-gradient(135deg, var(--color-secondary-light), var(--color-secondary));
}

.card-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.card-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

/* ========================================
   Search Section
   ======================================== */

.search-section {
    margin-top: 2rem;
}

.search-form {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.search-input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(88, 96, 197, 0.1);
}

.search-options {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: center;
    padding-top: 0.5rem;
}

.link-secondary {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.link-secondary:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.divider {
    color: var(--color-gray-400);
}

/* ========================================
   Card Actions
   ======================================== */

.card-actions {
    margin-top: 2rem;
    text-align: center;
}

.card-note {
    margin-top: 1rem;
    font-size: 0.95rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
    color: var(--color-white);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-secondary-light), var(--color-secondary));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-search {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    padding: 0.875rem 1.75rem;
}

.btn-search:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ========================================
   Solutions Section
   ======================================== */

.solutions {
    background: var(--color-background);
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--color-text);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.solution-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.solution-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--color-white);
}

.icon-teachers {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.icon-schools {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
}

.icon-businesses {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
}

.solution-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.solution-description {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background-color: var(--color-header-footer);
    color: var(--color-text);
    padding: 2.5rem 0;
    margin-top: 4rem;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-text {
    font-size: 0.95rem;
    color: var(--color-text);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.footer-links a:hover {
    color: var(--color-primary-dark);
    background-color: rgba(88, 96, 197, 0.1);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 968px) {
    .actions-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .header-content {
        gap: 1rem;
    }

    .logo {
        height: 40px;
    }

    .user-avatar {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }

    .dropdown-menu {
        min-width: 180px;
        right: -10px;
    }

    .main-actions {
        padding: 2rem 0;
    }

    .action-card {
        padding: 2rem 1.5rem;
    }

    .card-title {
        font-size: 1.5rem;
    }

    .search-form {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .solutions {
        padding: 3rem 0;
    }

    .solutions-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
}

/* ========================================
   Accessibility
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}