/* Professional Color Variables - Format2Publish Inspired */
/* New Premium Color Palette - From User's Color Scheme */
/* Premium Professional Color Palette - 3 Complementary Colors */
:root {
    /* Primary Brand Colors - Deep Professional Blue */
    --primary-blue: #1E3A8A;
    --primary-royal: #1D4ED8;
    --primary-light: #3B82F6;

    /* Premium Background Colors - Warm Cream & Sophisticated Grays */
    --bg-primary: #FDFDFD;
    /* Pure white for main content */
    --bg-secondary: #F8F6F3;
    /* Warm cream - premium alternative to white */
    --bg-tertiary: #F1EDE7;
    /* Deeper cream for sections */
    --bg-accent: #E8E2DB;
    /* Subtle cream accent */

    /* Professional Text Colors */
    --text-primary: #1F2937;
    /* Dark charcoal for headings */
    --text-secondary: #4B5563;
    /* Medium gray for body text */
    --text-light: #6B7280;
    /* Light gray for supporting text */
    --text-muted: #9CA3AF;
    /* Very light gray for subtle text */

    /* Accent Colors from Original Palette */
    --accent-pink: #F8BBD9;
    /* Soft pink accent */
    --accent-rose: #FDA4AF;
    /* Rose highlight */
    --accent-orange: #EA580C;
    /* Bold orange for CTAs */
    --accent-coral: #F97316;
    /* Warm coral for hovers */

    /* Professional Neutrals - Third Complementary Color */
    --neutral-warm: #A3A08A;
    /* Warm taupe */
    --neutral-light: #D4D1C7;
    /* Light taupe */
    --neutral-dark: #6B6B47;
    /* Dark olive-taupe */

    /* Border and UI Elements */
    --border-light: #E8E2DB;
    /* Cream borders */
    --border-medium: #D4D1C7;
    /* Taupe borders */
    --border-accent: #A3A08A;
    /* Dark taupe accents */
    --shadow-light: rgba(30, 58, 138, 0.08);
    --shadow-medium: rgba(30, 58, 138, 0.12);
    --shadow-warm: rgba(163, 160, 138, 0.15);
}

/* Portfolio Page Specific Styles */

/* Hero styles removed - using Unified Hero (.hero-new) in style.css */

/* Entrance Animation matching Services */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-portfolio .hero-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    animation: fadeInUp 0.8s ease-out forwards;
}

.portfolio-filters {
    padding: 40px 0;
    background: transparent;
    border-bottom: none;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: transparent;
    color: #1A2B4C;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: #1A2B4C;
    color: white;
    border-color: #1A2B4C;
}

.portfolio-grid-section {
    padding: 80px 0;
    background: transparent;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

/* Interactive Portfolio Card Styles */
.portfolio-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    background: transparent;
    aspect-ratio: 2/3;
    perspective: 1000px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease;
}

.portfolio-card:hover,
.portfolio-card.active {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

.portfolio-card:focus-visible {
    outline: 3px solid var(--primary-light);
    outline-offset: 5px;
}

/* Card Cover (Default State) */
.card-cover {
    width: 100%;
    height: 100%;
    position: relative;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.5s ease;
}

.card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

/* Hover/Active State Transformations */
.portfolio-card:hover .card-cover,
.portfolio-card.active .card-cover {
    transform: scale(1.05);
    opacity: 0.1;
    /* Fade out cover to show overlay */
}

/* Card Overlay (Inside Page Preview) */
.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    /* Align info to bottom */
    opacity: 0;
    visibility: hidden;
    background: rgba(255, 255, 255, 0.95);
    /* Light premium background for readability */
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(20px);
}

/* Show Overlay on Hover/Active */
.portfolio-card:hover .card-overlay,
.portfolio-card.active .card-overlay {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Inside Page Preview Image */
.inside-page-preview {
    flex: 1;
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 20px 20px 0;
    /* Some padding to look like a page on a desk */
}

.inside-page-preview img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    /* Subtle shadow for the page */
    transform: translateY(100%);
    /* Start pushed down */
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    /* Bouncy enter */
}

.portfolio-card:hover .inside-page-preview img,
.portfolio-card.active .inside-page-preview img {
    transform: translateY(0);
}

/* Card Info */
.card-info {
    padding: 20px;
    background: white;
    transform: translateY(100%);
    transition: transform 0.4s 0.1s ease;
    /* Slight delay */
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.portfolio-card:hover .card-info,
.portfolio-card.active .card-info {
    transform: translateY(0);
}

.card-info h3 {
    color: var(--primary-blue);
    font-size: 1.25rem;
    margin-bottom: 5px;
    font-weight: 700;
}

.card-info p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 8px;
    font-weight: 500;
}

.card-info .genre {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-secondary);
    color: var(--primary-light);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Clean up old styles */
.portfolio-item {
    display: none;
}

.book-stats {
    display: none;
}

.success-stats {
    padding: 80px 0;
    background: transparent;
    color: #1A2B4C;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
    margin-bottom: 1rem;
    color: white;
}

.stat-label {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.case-studies {
    padding: 80px 0;
    background: transparent;
}

.case-studies-grid {
    display: grid;
    gap: 4rem;
    margin-top: 3rem;
}

.case-study {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
    background: #f8f9fa;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.case-study:nth-child(even) {
    grid-template-columns: 2fr 1fr;
}

.case-study:nth-child(even) .case-study-image {
    order: 2;
}

.case-study:nth-child(even) .case-study-content {
    order: 1;
}

.case-study-image {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.case-study-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.case-study:hover .case-study-image img {
    transform: scale(1.05);
}

.case-study-content {
    padding: 3rem;
}

.case-study-content h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

.case-study-content h4 {
    color: #3498db;
    margin-bottom: 2rem;
    font-size: 1.3rem;
    font-weight: 500;
}

.case-study-content p {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.case-study-quote {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid #3498db;
    margin-top: 2rem;
}

.case-study-quote p {
    color: #2c3e50;
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.case-study-quote span {
    color: #6c757d;
    font-weight: 500;
}

/* Responsive Design for Portfolio */
@media (max-width: 768px) {

    /* Mobile Responsive for Portfolio Hero */
    .hero-portfolio {
        height: 50vh;
        min-height: 300px;
        padding: 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background-position: center center;
    }

    .hero-portfolio .hero-content {
        padding: 0 1rem;
    }

    .hero-portfolio h1 {
        font-size: 2.2rem;
        color: #FFFFFF !important;
        margin-bottom: 0.5rem !important;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
    }

    .hero-portfolio p {
        font-size: 1rem;
        max-width: 90%;
        color: #FFFFFF !important;
        margin-bottom: 1rem !important;
        text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
        display: block !important;
    }

    .filter-buttons {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .book-overlay {
        padding: 1.5rem;
    }

    .book-details {
        padding: 1.5rem;
    }

    .book-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .stat-number {
        font-size: 3rem;
    }

    .case-study {
        grid-template-columns: 1fr !important;
        gap: 0;
    }

    .case-study:nth-child(even) .case-study-image,
    .case-study:nth-child(even) .case-study-content {
        order: unset;
    }

    .case-study-content {
        padding: 2rem;
    }

    .case-study-content h3 {
        font-size: 1.5rem;
    }

    .case-study-quote {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .case-study-content {
        padding: 1.5rem;
    }

    .book-details {
        padding: 1rem;
    }

    .hero-portfolio {
        height: 50vh;
        padding: 0 !important;
        align-items: center;
    }

    .hero-portfolio .hero-content {
        align-items: center !important;
        text-align: center !important;
    }

    .hero-portfolio .hero-text {
        align-items: center;
    }

    .hero-portfolio h1 {
        font-size: 1.6rem !important;
        margin-bottom: 0.5rem;
    }

    .hero-portfolio p {
        font-size: 0.85rem !important;
        margin-bottom: 0.5rem;
        margin: 0 auto !important;
    }

    .hero-portfolio .btn {
        padding: 8px 16px;
        font-size: 0.8rem;
        margin-top: 5px !important;
    }
}