/* ============================================= */
/* == PROJECT DETAIL PAGE STYLES              == */
/* ============================================= */

/* --- General Page & Section Layout --- */
.project-detail-page {
    padding-top: 100px; /* Adjust for fixed header */
}

.project-section {
    padding: 80px 20px;
    border-bottom: 1px solid var(--border-color);
}

.project-section:last-of-type {
    border-bottom: none;
}

/* Optional: Add a subtle background to alternating sections for visual separation */
.project-detail-page main > section:nth-of-type(even) {
    background-color: var(--light-gray-alt);
}
[data-theme="dark"] .project-detail-page main > section:nth-of-type(even) {
    background-color: var(--dark-gray-alt);
}

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

/* --- Sticky Project Header --- */
.sticky-project-header {
    position: sticky;
    top: 74px; /* Height of the scrolled main header */
    background-color: var(--background-color);
    box-shadow: var(--box-shadow);
    z-index: 90;
    padding: 15px 0;
    transform: translateY(-100%);
    transition: transform 0.4s ease-in-out;
    visibility: hidden;
}

.sticky-project-header.visible {
    transform: translateY(0);
    visibility: visible;
}

.project-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
}

.back-to-projects {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    transition: color var(--transition-speed);
}

.back-to-projects:hover {
    color: var(--primary-color);
}

.back-to-projects i {
    margin-right: 10px;
}

.project-title-sticky {
    font-size: 1.5rem;
    margin: 0;
    color: var(--primary-color);
}

/* --- Hero Section --- */
#project-hero.hero-dark {
    background-color: #1a1a2e;
    color: var(--white);
    padding: 80px 20px;
    border: none;
}

#project-hero .project-title-main {
    color: var(--white);
    font-size: 3.5rem;
    margin-bottom: 10px;
}

.project-tagline {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 30px;
    opacity: 0.9;
}

.project-tags {
    margin-bottom: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center; /* Center tags in hero/about */
}

.project-tags span {
    background-color: var(--light-gray);
    color: var(--secondary-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

#project-hero .project-tags span {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-cta-button {
    margin-top: 20px;
    display: inline-block;
}

/* --- About Section --- */
#project-about h2,
.project-section h2,
#project-showcase h2,
#project-tech h2 {
    margin-bottom: 40px;
    font-size: 2.2rem;
}

.project-description {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
    color: var(--text-color-secondary);
}

/* --- Features Section --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--background-color);
    padding: 30px 25px;
    border-radius: 8px;
    box-shadow: var(--box-shadow-light);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: block;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-color-secondary);
}

/* --- Media Showcase Section --- */
.project-media {
    max-width: 900px;
    margin: 0 auto;
}

.main-image-container {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    position: relative; /* For badge positioning */
}

.made-in-ph-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: rgba(255, 255, 255, 0.9);
    color: #111;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 10;
}
[data-theme="dark"] .made-in-ph-badge {
    background-color: rgba(30, 30, 30, 0.8);
    color: #f1f1f1;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.main-project-image {
    width: 100%;
    display: block;
    cursor: zoom-in;
    transition: transform 0.3s ease;
}

.main-project-image:hover {
    transform: scale(1.05);
}

.thumbnail-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
}

.thumbnail {
    width: 100%;
    border-radius: 5px;
    cursor: pointer;
    border: 3px solid transparent;
    opacity: 0.7;
    transition: opacity var(--transition-speed), border-color var(--transition-speed), transform var(--transition-speed);
}

.thumbnail:hover {
    opacity: 1;
    transform: scale(1.05);
}
.thumbnail.active {
    opacity: 1;
    border-color: var(--primary-color);
}

/* --- Technology Stack Section --- */
.tech-stack {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    justify-content: center;
}

.tech-icon {
    font-size: 3rem;
    color: var(--dark-gray);
    transition: color var(--transition-speed), transform var(--transition-speed), opacity var(--transition-speed);
}

[data-theme="dark"] .tech-icon {
    color: var(--text-color);
    opacity: 0.7;
}

.tech-icon:hover {
    color: var(--primary-color);
    transform: scale(1.15);
    opacity: 1;
}

/* --- Closing CTA Section --- */
#project-cta {
    background-color: var(--secondary-color);
    color: var(--white);
}

#project-cta h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

#project-cta .cta-button {
    background-color: var(--white);
    color: var(--secondary-color);
    font-weight: bold;
}
#project-cta .cta-button:hover {
    background-color: var(--primary-color);
    color: var(--white);
}


/* --- Image Zoom Modal Styles --- */
.image-modal {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    justify-content: center;
    align-items: center;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    max-width: 90%;
    max-height: 90vh;
    display: block;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
}

.close-modal-btn {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: color 0.3s ease;
    cursor: pointer;
}

.close-modal-btn:hover {
    color: var(--primary-color);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes zoomIn {
    from { transform: scale(0.9); }
    to { transform: scale(1); }
}

/* --- Responsive Styles for Project Page --- */
@media (max-width: 768px) {
    .project-detail-page {
        padding-top: 80px;
    }

    .project-section {
        padding: 60px 20px;
    }
    
    .sticky-project-header {
        top: 65px; /* Adjust for smaller scrolled header */
        padding: 10px 0;
    }
    
    .project-title-sticky {
        font-size: 1.2rem;
    }
    
    .back-to-projects span {
        display: none; /* Hide text on mobile */
    }
    
    .back-to-projects i {
        margin-right: 0;
        font-size: 1.2rem;
    }

    #project-hero .project-title-main {
        font-size: 2.5rem;
    }

    .project-tagline {
        font-size: 1.2rem;
    }

    .project-section h2 {
        font-size: 1.8rem;
    }

    .tech-icon {
        font-size: 2.5rem;
    }
}