/* ================================
   LAYOUT
   Header, Footer, Navigation, Grids
   ================================ */

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-lg);
}

/* Navigation */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-primary);
}

.logo a {
    color: var(--color-primary);
}

.logo a:hover {
    color: var(--color-primary-dark);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    color: var(--color-text);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: var(--transition-base);
    padding: 0.5rem 0;
}

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

.nav-menu a.active {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
}

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-xl);
    border-radius: var(--border-radius-lg);
    padding: 0.5rem 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-base);
    margin-top: 0.5rem;
}

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

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--color-text);
    transition: var(--transition-base);
    border: none;
}

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

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
}

.menu-icon {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text);
}

/* Breadcrumb */
.breadcrumb {
    padding: 1.5rem 0;
    margin-top: 80px;
}

.breadcrumb ol {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    flex-wrap: wrap;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
}

.breadcrumb li:not(:last-child)::after {
    content: "›";
    color: var(--color-text-light);
}

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

.breadcrumb a:hover {
    color: var(--color-primary);
}

.breadcrumb li[aria-current="page"] {
    color: var(--color-primary);
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-section h3 {
    color: var(--color-white);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-base);
}

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

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* Grids */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

/* Two Column Layout */
.two-column-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

/* CTA Block */
.cta-block {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--spacing-2xl) 0;
    text-align: center;
    color: var(--color-white);
}

.cta-block h2 {
    color: var(--color-white);
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
}

.cta-block p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

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

/* Page Header */
.page-header {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: var(--color-bg);
    margin-top: 70px;
}

.page-header h1 {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-sm);
}

.page-header .lead {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    max-width: 800px;
    margin: 0 auto;
}

/* Responsive */
@media (max-width: 968px) {
    .nav-menu {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    /* Mobile Navigation */
    .menu-icon {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 80%;
        max-width: 300px;
        height: calc(100vh - 70px);
        background: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem;
        gap: 0;
        box-shadow: var(--shadow-2xl);
        transition: left 0.3s ease;
        overflow-y: auto;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid var(--color-border);
        padding: 1rem 0;
    }

    .menu-toggle:checked ~ .nav-menu {
        left: 0;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 1rem;
        margin-top: 0.5rem;
    }

    .has-dropdown:hover .dropdown-menu {
        display: block;
    }

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

    .two-column-layout {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

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

@media (max-width: 480px) {
    .nav {
        padding: 1rem 0;
    }

    .logo {
        font-size: var(--font-size-lg);
    }

    .features-grid,
    .services-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .page-header {
        padding: var(--spacing-lg) 0;
    }
}