/**
 * AI Staff Photos - Landing Page Styles
 */

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(90, 0, 209, 0.1);
    transition: var(--transition-base);
}

.navbar.scrolled {
    padding: var(--space-sm) 0;
    box-shadow: var(--shadow-sm);
}

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

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
}

.navbar-brand img {
    height: 40px;
    width: auto;
}

.navbar-brand span {
    font-weight: 700;
    font-size: var(--text-xl);
    color: var(--dark-navy);
}

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

.navbar-nav a {
    color: var(--dark-gray);
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
}

.navbar-nav a:hover {
    color: var(--primary-purple);
}

.navbar-nav .btn-primary {
    color: var(--white) !important;
}

.navbar-nav .btn-primary:hover {
    color: var(--white) !important;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fc 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(90, 0, 209, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--gradient-subtle);
    border: 1px solid rgba(90, 0, 209, 0.2);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--primary-purple);
    margin-bottom: var(--space-lg);
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--dark-navy);
    margin-bottom: var(--space-lg);
}

.hero h1 .highlight {
    display: block;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: var(--text-xl);
    color: #64748b;
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Hero Collage Grid */
.hero-collage {
    position: relative;
}

.collage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: #f1f5f9;
}

.collage-cell {
    aspect-ratio: 1;
    perspective: 600px;
    cursor: pointer;
    transition: transform 0.3s ease, z-index 0s;
    position: relative;
    z-index: 1;
}

.collage-cell:hover {
    transform: scale(1.35);
    z-index: 10;
    transition: transform 0.3s ease, z-index 0s;
}

.collage-flipper {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: collageFlip 6s ease-in-out infinite;
}

.collage-front,
.collage-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: 2px;
    overflow: hidden;
}

.collage-front img,
.collage-back img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.collage-back {
    transform: rotateY(180deg);
}

/* Each cell flips at its own delay (set via inline style) */
@keyframes collageFlip {
    0%, 45% { transform: rotateY(0deg); }
    50%, 95% { transform: rotateY(180deg); }
    100% { transform: rotateY(360deg); }
}


.collage-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 12px;
    font-size: 0.8rem;
    color: #94a3b8;
    font-weight: 500;
}

.collage-label svg {
    color: var(--primary-purple);
}

.collage-label-ai {
    color: var(--primary-purple);
    font-weight: 600;
}

/* How It Works Section */
.how-it-works {
    padding: 120px 0;
    background: var(--white);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-md);
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 60px;
    left: 16.67%;
    right: 16.67%;
    height: 2px;
    background: var(--gradient);
    opacity: 0.3;
}

.step-card {
    text-align: center;
    padding: var(--space-xl);
    position: relative;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--white);
    margin: 0 auto var(--space-lg);
    box-shadow: var(--shadow-purple);
    position: relative;
    z-index: 1;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-subtle);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.step-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--primary-purple);
}

.step-card h3 {
    font-size: var(--text-xl);
    color: var(--dark-navy);
    margin-bottom: var(--space-sm);
}

.step-card p {
    font-size: var(--text-base);
    color: #64748b;
    margin: 0;
}

/* Features Section */
.features {
    padding: 120px 0;
    background: linear-gradient(180deg, #f8f9fc 0%, #ffffff 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(90, 0, 209, 0.1);
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-subtle);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--primary-purple);
}

.feature-card h3 {
    font-size: var(--text-xl);
    color: var(--dark-navy);
    margin-bottom: var(--space-sm);
}

.feature-card p {
    font-size: var(--text-base);
    color: #64748b;
    margin: 0;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--dark-navy), #1a1a3e);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -25%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(90, 0, 209, 0.3) 0%, transparent 70%);
    border-radius: 50%;
}

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

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

.cta-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--text-xl);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
}

/* Footer */
.footer {
    padding: var(--space-2xl) 0;
    background: var(--dark-navy);
    color: rgba(255, 255, 255, 0.7);
}

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

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

.footer-brand img {
    height: 32px;
    filter: brightness(0) invert(1);
}

.footer-brand span {
    font-weight: 600;
    color: var(--white);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
}

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

/* Responsive */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .hero-content {
        text-align: center;
    }

    .hero p {
        margin-left: auto;
        margin-right: auto;
    }

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

    .collage-grid {
        max-width: 500px;
        margin: 0 auto;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .steps-grid::before {
        display: none;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 60px;
    }

    .navbar-nav {
        display: none;
    }

    .how-it-works,
    .features {
        padding: 80px 0;
    }

    .cta-section {
        padding: 60px 0;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .footer .container {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
}