/* Layout Styles - Structure and Grid */

/* Container */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    width: 100%;
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-lg);
}

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

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

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

.grid-auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-auto-fill {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

/* Flexbox utilities */
.flex {
    display: flex;
}

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

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

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

.flex-wrap {
    flex-wrap: wrap;
}

.flex-1 {
    flex: 1;
}

/* Section Layouts */
section {
    padding: var(--space-3xl) 0;
    position: relative;
}

section:first-of-type {
    padding-top: 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-2xl);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -var(--space-sm);
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-gold);
    border-radius: 2px;
}

.section-description {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-xl);
    font-size: 1.125rem;
    color: var(--color-soft-graphite);
}

.section-cta {
    text-align: center;
    margin-top: var(--space-xl);
}

/* Header Layout */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(252, 252, 252, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: var(--border-gold);
    z-index: var(--z-sticky);
    transition: var(--transition-fast);
}

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

.nav-brand .logo {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-lg);
}

.nav-link {
    position: relative;
    padding: var(--space-xs) 0;
    font-weight: 500;
    color: var(--color-charcoal);
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-champagne);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: var(--transition-fast);
}

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

.nav-cta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.hamburger {
    width: 25px;
    height: 3px;
    background: var(--color-charcoal);
    margin: 3px 0;
    transition: var(--transition-fast);
}

/* Main content offset for fixed header */
main {
    margin-top: 70px;
}

/* Footer Layout */
.footer {
    background: var(--color-charcoal);
    color: var(--color-porcelain);
    padding: var(--space-3xl) 0 var(--space-lg);
    margin-top: var(--space-3xl);
}

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

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

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    color: rgba(252, 252, 252, 0.8);
    transition: var(--transition-fast);
}

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

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: rgba(252, 252, 252, 0.8);
    margin-bottom: var(--space-sm);
    transition: var(--transition-fast);
}

.contact-link:hover {
    color: var(--color-champagne);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(199, 167, 77, 0.1);
    border: var(--border-gold);
    border-radius: 50%;
    color: var(--color-champagne);
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--color-champagne);
    color: var(--color-charcoal);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(252, 252, 252, 0.1);
    padding-top: var(--space-lg);
    text-align: center;
    color: rgba(252, 252, 252, 0.6);
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    color: rgba(252, 252, 252, 0.8);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* Floating Elements */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-elevated);
    z-index: var(--z-fixed);
    transition: var(--transition-fast);
    text-decoration: none;
}

.whatsapp-float:hover {
    background: #22C55E;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.4);
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --space-3xl: 3rem;
        --space-2xl: 2rem;
    }
    
    .container {
        padding: 0 var(--container-padding);
    }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: var(--space-2xl) 0;
    }
    
    /* Mobile Navigation */
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-porcelain);
        flex-direction: column;
        padding: var(--space-lg);
        border-top: var(--border-gold);
        box-shadow: var(--shadow-card);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-medium);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .nav-cta {
        display: none;
    }
    
    /* Footer responsive */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .social-links {
        justify-content: center;
    }
    
    .whatsapp-float {
        bottom: var(--space-md);
        right: var(--space-md);
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 0.75rem;
        --space-3xl: 2rem;
        --space-2xl: 1.5rem;
    }
    
    .whatsapp-float {
        width: 45px;
        height: 45px;
    }
}

/* Tablet adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large screen optimizations */
@media (min-width: 1400px) {
    :root {
        --container-max-width: 1400px;
    }
}