/* Layout Styles */

/* Header */
.site-header {
    background-color: white;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

/* Header Top - Institutional Bar */
.header-top {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-lighter) 100%);
    color: white;
    padding: var(--spacing-lg) 0;
}

.brand-identity {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-fast);
}

.brand-identity:hover {
    opacity: 0.9;
}

.brand-identity img {
    height: 56px;
    width: auto;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.brand-name {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: white;
    margin: 0;
    line-height: 1.2;
}

.brand-tagline {
    font-size: 0.95rem;
    font-weight: var(--font-weight-light);
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    letter-spacing: 0.3px;
}

/* Header Nav - Main Navigation Bar */
.header-nav {
    background-color: white;
    border-bottom: 1px solid var(--color-secondary);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--container-padding);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

/* Navigation */
.main-nav ul {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.main-nav > ul > li {
    position: relative;
}

.main-nav a {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-dark);
    padding: var(--spacing-md) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a:focus {
    color: var(--color-primary);
    background-color: var(--color-secondary);
}

.main-nav a.active {
    color: var(--color-primary);
    background-color: var(--color-secondary);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-icon {
    transition: transform var(--transition-fast);
}

.dropdown.active .dropdown-icon {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    padding: var(--spacing-xs) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1001;
}

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

.dropdown-menu li {
    width: 100%;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-dark);
    transition: all var(--transition-fast);
    border-radius: 0;
}

.dropdown-menu a:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
    padding-left: 1.25rem;
}

/* Login/CTA Button */
.nav-cta a {
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    padding: 0.625rem 1.25rem;
}

.nav-cta a:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.nav-cta svg {
    width: 16px;
    height: 16px;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    color: var(--color-text-dark);
}

.menu-toggle svg {
    width: 28px;
    height: 28px;
}

@media (max-width: 1024px) {
    /* Mobile Header Adjustments */
    .brand-name {
        font-size: 1.25rem;
    }

    .brand-tagline {
        font-size: 0.8rem;
    }

    .brand-identity img {
        height: 44px;
    }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 140px;
        left: 0;
        right: 0;
        background-color: white;
        box-shadow: var(--shadow-lg);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
    }

    .main-nav.active {
        max-height: 600px;
        overflow-y: auto;
    }

    .main-nav ul {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: 0;
    }

    .main-nav > ul > li {
        width: 100%;
        border-bottom: 1px solid var(--color-secondary);
    }

    .main-nav > ul > li:last-child {
        border-bottom: none;
    }

    .main-nav a {
        display: flex;
        justify-content: space-between;
        padding: var(--spacing-md);
        width: 100%;
    }

    /* Mobile Dropdown */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background-color: var(--color-bg-light);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
        margin-top: 0;
    }

    .dropdown.active .dropdown-menu {
        max-height: 300px;
    }

    .dropdown-menu a {
        padding-left: 2rem;
        font-size: 0.9rem;
    }

    .dropdown-menu a:hover {
        padding-left: 2.25rem;
    }

    .dropdown-menu li {
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .dropdown-menu li:last-child {
        border-bottom: none;
    }

    /* Mobile CTA */
    .nav-cta a {
        justify-content: center;
        width: 100%;
    }
}

@media (max-width: 640px) {
    .header-top {
        padding: var(--spacing-md) 0;
    }

    .brand-name {
        font-size: 1.1rem;
    }

    .brand-tagline {
        font-size: 0.75rem;
    }

    .brand-identity img {
        height: 40px;
    }

    .main-nav {
        top: 120px;
    }
}

/* Footer */
.site-footer {
    background-color: var(--color-text-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-md) 0;
    margin-top: var(--spacing-2xl);
}

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

.footer-section h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xs);
    line-height: 1.8;
}

.footer-section a:hover {
    color: white;
    text-decoration: underline;
}

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

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.footer-contact-item svg {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.3);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    backdrop-filter: blur(2px);
}

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

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: calc(100% - 2rem);
    max-height: 90vh;
    overflow-y: auto;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    color: var(--color-text-dark);
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
}

.modal-close:hover {
    background-color: var(--color-secondary);
}

.modal-close svg {
    width: 24px;
    height: 24px;
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-secondary);
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

/* Breadcrumb */
.breadcrumb {
    padding: var(--spacing-md) 0;
    font-size: 0.875rem;
}

.breadcrumb ol {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.breadcrumb li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.breadcrumb li:not(:last-child)::after {
    content: "/";
    color: #546E7A;
}

.breadcrumb a {
    color: var(--color-primary);
    transition: all var(--transition-fast);
}

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

.breadcrumb span {
    color: var(--color-text-dark);
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-lighter) 100%);
    color: white;
    padding: var(--spacing-2xl) var(--container-padding);
    border-radius: var(--radius-lg);
    text-align: center;
    margin: var(--spacing-2xl) 0;
}

.cta-banner h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.cta-banner p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-banner-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 640px) {
    .cta-banner h2 {
        font-size: 1.5rem;
    }

    .cta-banner-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-banner-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}