/* 
  UI Components for Radiusdia Studio
*/

/* --- Header / Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    transition: all var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background-color: var(--bg-color);
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid var(--border-color);
}

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

.logo-container {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    z-index: 101;
    /* Above mobile menu */
}

/* For actual logos later */
.logo-img {
    max-width: 180px;
    max-height: 40px;
    display: block;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
    position: relative;
    padding-bottom: 0.25rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: 0;
    left: 0;
    background-color: var(--text-primary);
    transition: width var(--transition-fast);
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 101;
}

.mobile-menu-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Mobile Menu Open State */
.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* --- Footer --- */
.footer {
    background-color: var(--text-primary);
    color: var(--bg-color);
    padding: 6rem 0 3rem;
    font-family: var(--font-body);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--bg-color);
}

.footer-brand p {
    color: #a0a0a0;
    font-size: 0.95rem;
    max-width: 300px;
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--light-gray);
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links a,
.footer-contact li {
    color: #a0a0a0;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #a0a0a0;
    font-size: 0.85rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-links a {
    color: #a0a0a0;
    font-size: 1.25rem;
    transition: all var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

/* --- Project Cards --- */
.project-card {
    position: relative;
    display: block;
    overflow: hidden;
    aspect-ratio: 4/5;
}

.project-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.project-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-image-wrapper img {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0) 50%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2.5rem;
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-category {
    font-family: var(--font-heading);
    color: var(--accent-color);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 0.5rem;
    transform: translateY(20px);
    transition: transform var(--transition-smooth);
}

.project-title {
    color: #fff;
    font-size: 1.5rem;
    margin: 0;
    transform: translateY(20px);
    transition: transform var(--transition-smooth) 0.1s;
}

.project-card:hover .project-category,
.project-card:hover .project-title {
    transform: translateY(0);
}

/* Responsive Overrides Component */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--bg-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 3rem;
        transition: right var(--transition-smooth);
        z-index: 100;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-link {
        font-size: 1.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    /* Mobile touch devices */
    .project-overlay {
        opacity: 1;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 60%);
    }

    .project-category,
    .project-title {
        transform: translateY(0);
    }
}