/* 
 * Prolific Research - Light-Theme Component Stylesheet
 * Contains Header, Footer, Cards, Forms, and Interactive Component styles.
 */

@import url('variables.css');

/* Page Hero Top Padding Clearance to clear fixed navigation header */
.about-hero,
.careers-hero,
.cases-hero,
.contact-hero,
.coverage-hero,
.industry-hero,
.insights-hero,
.article-hero,
.services-hero,
.capabilities-hero {
    padding-top: 6rem !important; /* Mobile clearance top */
    padding-bottom: 2rem !important; /* Mobile padding bottom */
}

@media (min-width: 992px) {
    .about-hero,
    .careers-hero,
    .cases-hero,
    .contact-hero,
    .coverage-hero,
    .industry-hero,
    .insights-hero,
    .article-hero,
    .services-hero,
    .capabilities-hero {
        padding-top: 6.5rem !important; /* Desktop clearance top (80px nav + 1.5rem breathing space) */
        padding-bottom: 2.5rem !important; /* Desktop padding bottom */
    }
}

/* 1. Header & Navigation */
.header-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.header-nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    padding: 0 2rem;
    max-width: 1440px;
    margin: 0 auto;
}

.brand-logo img {
    height: 34px !important;
    width: auto;
    display: block;
    object-fit: contain;
    transition: var(--transition-fast);
}

.footer-brand img {
    height: 38px !important;
    width: auto;
    display: block;
    object-fit: contain;
}



.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 1.75rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.95rem;
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
}

.nav-link:hover, .nav-item:hover > .nav-link {
    color: var(--color-cyan);
}

.nav-link svg {
    transition: var(--transition-fast);
}

.nav-item:hover > .nav-link svg {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: #ffffff;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-md);
    width: 250px;
    padding: 0.8rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Wide Mega Dropdown for Industries */
.dropdown-menu-wide {
    width: 480px !important;
    padding: 1rem !important;
}

.dropdown-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem;
}

@media (max-width: 768px) {
    .dropdown-menu-wide {
        width: 100% !important;
        padding: 0.2rem 0 0.2rem 1.25rem !important;
        display: block !important;
    }
    .dropdown-grid {
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
    }
}

.dropdown-link {
    display: block;
    color: var(--text-secondary);
    padding: 0.6rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
}

.dropdown-link:hover {
    background: var(--bg-secondary);
    color: var(--color-green);
    padding-left: 1.2rem;
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-normal);
}

/* 2. Footer Components */
.footer-corporate {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 2.5rem 0;
    color: var(--text-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2.2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    margin-top: 1.25rem;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-muted);
    max-width: 320px;
}

.footer-heading {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-link {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-cyan);
}

.footer-newsletter p {
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.footer-newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.footer-input {
    background: #ffffff;
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    flex: 1;
    font-size: 0.9rem;
}

.footer-input:focus {
    outline: none;
    border-color: var(--color-cyan);
}

/* Compliance Badges */
.compliance-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
    align-items: center;
}

.compliance-badge {
    border: 1px solid var(--border-color);
    background: #ffffff;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
}

.compliance-badge svg {
    color: var(--color-green);
}

/* Bottom Bar */
.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2.25rem;
    font-size: 0.85rem;
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.footer-social-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-sm);
}

.footer-social-icon:hover {
    background: var(--color-cyan);
    color: #ffffff;
    border-color: var(--color-cyan);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 130, 200, 0.25);
}

/* 3. Cards & Service Previews */
a.card-service {
    display: block;
    color: inherit;
    text-decoration: none;
}

.card-service {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.card-service::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-cyan);
    opacity: 0;
    transition: var(--transition-fast);
}

.card-service:hover {
    transform: translateY(-5px);
}

.card-service:hover::before {
    opacity: 1;
}

.card-service-cyan:hover {
    border-color: var(--color-cyan) !important;
    background-color: rgba(0, 130, 200, 0.015);
    box-shadow: 0 12px 30px rgba(0, 130, 200, 0.08);
}
.card-service-cyan::before {
    background-color: var(--color-cyan);
}

.card-service-green:hover {
    border-color: var(--color-green) !important;
    background-color: rgba(141, 198, 63, 0.015);
    box-shadow: 0 12px 30px rgba(141, 198, 63, 0.08);
}
.card-service-green::before {
    background-color: var(--color-green);
}

.card-service-orange:hover {
    border-color: var(--color-orange) !important;
    background-color: rgba(245, 130, 32, 0.015);
    box-shadow: 0 12px 30px rgba(245, 130, 32, 0.08);
}
.card-service-orange::before {
    background-color: var(--color-orange);
}

/* Service block layout adjustments for smooth scroll-to */
.service-block-item {
    scroll-margin-top: 100px;
}

.card-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    background-color: rgba(0, 130, 200, 0.08);
    color: var(--color-cyan);
    margin-bottom: 1.5rem;
}

.card-icon-green {
    background-color: rgba(141, 198, 63, 0.08);
    color: var(--color-green);
}

.card-icon-orange {
    background-color: rgba(245, 130, 32, 0.08);
    color: var(--color-orange);
}

/* 4. Trust Badges & Infinite Logo Marquee */
.logo-marquee-container {
    overflow: hidden;
    width: 100%;
    position: relative;
    padding: 1.5rem 0;
    display: flex;
    align-items: center;
}

/* Gradient overlays for smooth fade effect on sides */
.logo-marquee-container::before,
.logo-marquee-container::after {
    content: "";
    position: absolute;
    top: 0;
    width: 100px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.logo-marquee-container::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-secondary) 0%, transparent 100%);
}

.logo-marquee-container::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-secondary) 0%, transparent 100%);
}

.logo-marquee-track {
    display: flex;
    gap: 4.5rem;
    align-items: center;
    width: max-content;
    animation: logo-marquee-scroll 38s linear infinite;
}

/* Pause animation on hover */
.logo-marquee-container:hover .logo-marquee-track {
    animation-play-state: paused;
}

.logo-marquee-item {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 50px;
    flex-shrink: 0;
    opacity: 0.6;
    transition: var(--transition-normal);
}

.logo-marquee-item:hover {
    opacity: 1;
}

.client-logo-svg {
    height: 36px;
    width: auto;
    fill: none;
    color: var(--text-muted);
    transition: var(--transition-normal);
}

.logo-marquee-item:hover .client-logo-svg {
    color: var(--color-navy);
}

/* Distinct hover color profiles for client logos */
.logo-marquee-item:nth-child(4n+1):hover .client-logo-svg {
    color: var(--color-cyan);
}
.logo-marquee-item:nth-child(4n+2):hover .client-logo-svg {
    color: var(--color-orange);
}
.logo-marquee-item:nth-child(4n+3):hover .client-logo-svg {
    color: var(--color-green);
}

@keyframes logo-marquee-scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Responsive Components */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1.5fr repeat(3, 1fr);
        gap: 2rem;
    }
}

/* Intermediate Laptop/Tablet Responsiveness to prevent wrapping */
@media (max-width: 1200px) and (min-width: 769px) {
    .nav-menu {
        gap: 0.9rem;
    }
    .nav-link {
        font-size: 0.85rem;
    }
    .nav-container {
        padding: 0 1rem;
    }
    .btn-accent {
        margin-left: 0.5rem !important;
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }
}

@media (max-width: 768px) {

    .nav-menu {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        padding: 3rem 2rem;
        gap: 1.5rem;
        transform: translateY(-150%);
        transition: transform var(--transition-normal);
        z-index: 999;
        overflow-y: auto;
        align-items: flex-start;
        border-top: 1px solid var(--border-color);
    }
    
    .nav-menu.mobile-active {
        transform: translateY(0);
    }
    
    .nav-link {
        font-size: 1.2rem;
        width: 100%;
        justify-content: space-between;
        color: var(--text-primary);
    }
    
    .dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        width: 100%;
        background: transparent;
        border: none;
        box-shadow: none;
        padding: 0.2rem 0 0.2rem 1.25rem;
        margin-top: 0.25rem;
        display: block;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    .footer-bottom > div {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    .footer-bottom .footer-link {
        margin-left: 0 !important;
        margin-top: 0.25rem;
    }
    .footer-socials {
        justify-content: center;
    }
    
    /* client-logo-grid removed as marquee is used */
}