/* Layout Styles */

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

/* Grid System */
.grid {
    display: grid;
    gap: 30px;
}

.grid-2col {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3col {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4col {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

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

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

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

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

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

.justify-start {
    justify-content: flex-start;
}

.justify-end {
    justify-content: flex-end;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.align-start {
    align-items: flex-start;
}

.align-end {
    align-items: flex-end;
}

.align-center {
    align-items: center;
}

.align-stretch {
    align-items: stretch;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    z-index: 1000;
    transition: var(--transition);
    padding: 15px 0;
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom-color: var(--border-color);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    height: 50px;
    width: auto;
}

.brand-name {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
}

.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
}

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

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.settings-icon {
    position: relative;
}

.settings-icon-img {
    width: 30px;
    height: 30px;
    cursor: pointer;
    transition: var(--transition);
}

.settings-icon-img:hover {
    transform: scale(1.1);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-color);
    margin: 3px 0;
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Footer */
.footer {
    background-color: var(--gray-light);
    padding: 60px 0 0;
    margin-top: 100px;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.footer-brand {
    grid-column: 1 / -1;
    text-align: center;
    padding-bottom: 40px;
}

.footer-logo {
    height: 60px;
    margin-bottom: 15px;
}

.footer-description {
    color: var(--text-light);
    margin: 0;
    max-width: 600px;
    margin-inline: auto;
}

.footer-links h4,
.footer-social h4 {
    color: var(--text-color);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-light);
    transition: var(--transition);
}

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

.social-icons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white);
    transition: var(--transition);
    text-decoration: none;
}

.social-icon:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
}

.social-icon img {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-light);
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .header-container {
        padding: 0 20px;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }
    
    .main-nav.active {
        display: block;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
        padding: 20px 0;
    }
    
    .nav-link {
        display: block;
        padding: 15px 30px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links,
    .footer-social {
        grid-row: 1;
    }
    
    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .grid {
        gap: 20px;
    }
    
    .grid-2col,
    .grid-3col,
    .grid-4col {
        grid-template-columns: 1fr;
    }
}