/* Layout Styles */

/* Header */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-4) var(--container-padding);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.logo {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-6);
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--color-dark);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-2) var(--spacing-3);
    transition: color var(--transition-fast);
}

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

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

.dropdown-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-4);
    min-width: 250px;
    max-height: 400px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

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

.dropdown-item {
    display: block;
    padding: var(--spacing-2) var(--spacing-3);
    color: var(--color-dark);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

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

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    cursor: pointer;
    color: var(--color-dark);
}

/* Hero Section */
.hero {
    background: var(--gradient-hero);
    padding: var(--spacing-32) 0;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

.hero-content h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-6);
}

.hero-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-8);
}

.hero-form {
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-2xl);
}

.hero-form h3 {
    margin-bottom: var(--spacing-6);
}

/* Footer */
.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

.footer-section h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

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

.footer-links li {
    margin-bottom: var(--spacing-2);
}

.footer-links a {
    color: var(--color-gray-300);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-8);
    text-align: center;
    color: var(--color-gray-300);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-8);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        box-shadow: var(--shadow-xl);
        padding: var(--spacing-4);
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        max-height: none;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .hero {
        padding: var(--spacing-16) 0;
    }
}