/* ================================
   Layout System
   ================================ */

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    min-height: 100vh;
    background: var(--color-white);
    width: 100%;
    max-width: 100%;
    position: relative;
}

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

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-lg);
}

/* ============================================
   SECTION
   ============================================ */
.section {
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.section-sm {
    padding: var(--spacing-2xl) 0;
}

.section-lg {
    padding: var(--spacing-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    animation: slideIn 0.6s ease-out;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    font-family: var(--font-primary);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-relaxed);
}

/* ============================================
   GRID SYSTEM
   ============================================ */
.grid {
    display: grid;
    gap: var(--spacing-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 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* ============================================
   FLEXBOX UTILITIES
   ============================================ */
.flex {
    display: flex;
}

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

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

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
}

.footer-cta {
    background: var(--gradient-primary);
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.footer-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,96C1248,75,1344,53,1392,42.7L1440,32L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.5;
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    color: var(--color-dark);
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    color: var(--color-dark);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    font-weight: var(--font-weight-semibold);
}

.footer-main {
    padding: var(--spacing-3xl) 0;
}

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

.footer-col h3 {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-primary);
}

.footer-logo {
    width: 150px;
    margin-bottom: var(--spacing-md);
    transition: transform var(--transition-base);
}

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

.footer-col p {
    color: var(--color-gray-400);
    line-height: var(--line-height-relaxed);
}

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

.footer-links a {
    color: var(--color-gray-400);
    display: inline-block;
    transition: all var(--transition-fast);
    position: relative;
    padding-left: 0;
}

.footer-links a::before {
    content: '→';
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary);
    padding-left: 20px;
}

.footer-links a:hover::before {
    opacity: 1;
    left: 0;
}

.footer-contact li {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
    line-height: var(--line-height-relaxed);
    transition: color var(--transition-fast);
}

.footer-contact li:hover {
    color: var(--color-primary);
}

.footer-contact i {
    color: var(--color-primary);
    margin-top: 4px;
    transition: transform var(--transition-fast);
}

.footer-contact li:hover i {
    transform: scale(1.2);
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-10);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: var(--color-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--color-gray-500);
    margin: 0;
    font-size: var(--font-size-sm);
}

/* ============================================
   RESPONSIVE LAYOUTS
   ============================================ */
@media (max-width: 1200px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
}