/* ===================================
   PORTFOLIO SINGLE PAGE - DESIGN SYSTEM (LIGHT THEME - CORAL RED)
   =================================== */

:root {
    --coral-red: #ff5147;
    --coral-red-hover: #e03e35;
    --coral-red-light: #ff7369;
    --coral-red-glow: rgba(255, 81, 71, 0.25);
    --charcoal-black: #151619;
    --gray: #64748b;
    --slate-gray: #475569;
    --surface-gray: #f8fafc;
    --border-gray: #e2e8f0;
    --white: #ffffff;
    --radius-card: 16px;
    --radius-button: 100px;
    --radius-input: 12px;
    --radius-badge: 100px;
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.04);
}

/* ===================================
   PORTFOLIO HERO BANNER
   =================================== */
.portfolio-hero {
    width: 100%;
    min-height: 260px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid var(--border-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 95px;
    position: relative;
    padding: var(--space-3xl, 48px) 0 var(--space-2xl, 32px);
    overflow: hidden;
}

.portfolio-hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 81, 71, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.portfolio-hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 0 var(--space-lg, 24px);
}

.portfolio-hero-title {
    font-family: var(--font-heading, 'Poppins', sans-serif);
    font-size: clamp(32px, 4.5vw, 48px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1.5px;
    color: var(--charcoal-black);
    margin-bottom: var(--space-sm, 12px);
}

.breadcrumb {
    font-family: var(--font-body, 'Inter', sans-serif);
    font-size: 14px;
    font-weight: 500;
    color: var(--slate-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}

.breadcrumb a {
    color: var(--coral-red);
    text-decoration: none;
    transition: all 0.2s ease;
}

.breadcrumb a:hover {
    color: var(--coral-red-hover);
    text-decoration: underline;
}

.breadcrumb span {
    color: var(--slate-gray);
}

/* ===================================
   PORTFOLIO CONTENT MAIN WRAPPER
   =================================== */
.portfolio-content {
    padding: var(--space-4xl, 64px) 0;
    background: var(--white);
}

/* Hero Thumbnail */
.portfolio-hero-thumbnail {
    width: 100%;
    border-radius: var(--radius-card);
    overflow: hidden;
    margin-bottom: var(--space-3xl, 48px);
    border: 1px solid var(--border-gray);
    background: var(--surface-gray);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.portfolio-hero-thumbnail:hover {
    box-shadow: 0 20px 48px rgba(255, 81, 71, 0.12);
}

.portfolio-hero-thumbnail img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Portfolio Main: Description & Meta Grid */
.portfolio-main {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: var(--space-3xl, 48px);
    margin-bottom: var(--space-4xl, 64px);
    align-items: start;
}

.portfolio-description h2 {
    font-family: var(--font-heading, 'Poppins', sans-serif);
    font-size: 26px;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.5px;
    color: var(--charcoal-black);
    margin-bottom: var(--space-md, 16px);
}

.portfolio-description p {
    font-family: var(--font-body, 'Inter', sans-serif);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.7;
    color: var(--slate-gray);
    margin-bottom: var(--space-lg, 24px);
}

.preview-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    color: var(--coral-red);
    border: 2px solid var(--coral-red);
    padding: 12px 28px;
    border-radius: var(--radius-button);
    font-family: var(--font-body, 'Inter', sans-serif);
    font-size: 14px;
    font-weight: 600;
    text-transform: lowercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(255, 81, 71, 0.1);
}

.preview-button:hover {
    background: var(--coral-red);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 81, 71, 0.3);
}

/* Portfolio Meta Cards */
.portfolio-meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm, 12px);
}

.meta-card {
    background: var(--surface-gray);
    border: 1px solid var(--border-gray);
    border-radius: var(--radius-input);
    padding: var(--space-md, 16px) var(--space-lg, 24px);
    transition: all 0.3s ease;
}

.meta-card:hover {
    border-color: var(--coral-red);
    background: #ffffff;
    box-shadow: 0 6px 18px rgba(255, 81, 71, 0.1);
    transform: translateY(-2px);
}

.meta-label {
    font-family: var(--font-body, 'Inter', sans-serif);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--coral-red);
    margin-bottom: 4px;
}

.meta-value {
    font-family: var(--font-heading, 'Poppins', sans-serif);
    font-size: 15px;
    font-weight: 600;
    color: var(--charcoal-black);
}

/* ===================================
   PORTFOLIO SCREENSHOT GALLERY
   =================================== */
.portfolio-gallery {
    margin-bottom: var(--space-4xl, 64px);
    position: relative;
}

.gallery-slider {
    display: flex;
    overflow: hidden;
    border-radius: var(--radius-card);
    position: relative;
    border: 1px solid var(--border-gray);
    background: var(--surface-gray);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.gallery-image {
    min-width: 100%;
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    background: var(--surface-gray);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* Gallery Navigation Arrows */
.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--border-gray);
    color: var(--charcoal-black);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    backdrop-filter: blur(8px);
}

.gallery-nav:hover {
    background: var(--coral-red);
    border-color: var(--coral-red);
    color: var(--white);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 8px 24px rgba(255, 81, 71, 0.35);
}

.gallery-prev {
    left: 20px;
}

.gallery-next {
    right: 20px;
}

.gallery-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: var(--space-lg, 24px);
}

.gallery-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-gray);
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
}

.gallery-dots .dot:hover {
    background: var(--slate-gray);
}

.gallery-dots .dot.active {
    background: var(--coral-red);
    width: 30px;
    border-radius: 6px;
}

/* ===================================
   PROJECT DETAILS SECTION
   =================================== */
.project-details {
    margin-top: var(--space-3xl, 48px);
    padding-top: var(--space-3xl, 48px);
    border-top: 1px solid var(--border-gray);
}

.project-details h2 {
    font-family: var(--font-heading, 'Poppins', sans-serif);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--charcoal-black);
    margin-bottom: var(--space-2xl, 32px);
}

.detail-section {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-2xl, 32px);
    margin-bottom: var(--space-2xl, 32px);
    padding-bottom: var(--space-2xl, 32px);
    border-bottom: 1px solid rgba(210, 218, 228, 0.5);
}

.detail-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.detail-label {
    font-family: var(--font-heading, 'Poppins', sans-serif);
    font-size: 14px;
    color: var(--coral-red);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding-top: 2px;
}

.detail-content {
    font-family: var(--font-body, 'Inter', sans-serif);
    font-size: 15px;
    color: var(--slate-gray);
    line-height: 1.75;
}

.detail-content p {
    margin-bottom: 16px;
}

.detail-content p:last-child {
    margin-bottom: 0;
}

.detail-content strong {
    color: var(--charcoal-black);
    font-weight: 600;
}

.approach-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.approach-list li {
    padding-left: 28px;
    position: relative;
    line-height: 1.7;
}

.approach-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--coral-red);
    font-weight: 700;
    font-size: 16px;
}

.approach-list strong {
    color: var(--charcoal-black);
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
}

/* ===================================
   CTA SECTION - "LET'S HAVE A CHAT"
   =================================== */
.portfolio-cta {
    padding: 90px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    border-top: 1px solid var(--border-gray);
}

.portfolio-cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 81, 71, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.cta-label {
    font-family: var(--font-body, 'Inter', sans-serif);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--coral-red);
    margin-bottom: var(--space-md, 16px);
}

.cta-heading {
    font-family: var(--font-heading, 'Poppins', sans-serif);
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 800;
    color: var(--charcoal-black);
    line-height: 1.1;
    margin-bottom: var(--space-md, 16px);
    letter-spacing: -1.5px;
}

.cta-subtext {
    font-family: var(--font-body, 'Inter', sans-serif);
    font-size: 16px;
    color: var(--slate-gray);
    max-width: 540px;
    margin: 0 auto var(--space-xl, 32px);
    line-height: 1.6;
}

.cta-contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 40px;
    background: var(--coral-red);
    color: var(--white);
    border: none;
    border-radius: var(--radius-button);
    font-family: var(--font-body, 'Inter', sans-serif);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 6px 24px rgba(255, 81, 71, 0.35);
}

.cta-contact-btn:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 10px 32px rgba(255, 81, 71, 0.5);
    background: var(--coral-red-hover);
    color: var(--white);
}

.cta-contact-btn svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s ease;
}

.cta-contact-btn:hover svg {
    transform: translate(3px, -3px);
}

/* ===================================
   NEXT PROJECT BAR (LIGHT THEME - CORAL RED)
   =================================== */
.next-project-bar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 36px 60px;
    background: var(--coral-red);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.next-project-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, transparent 60%);
    pointer-events: none;
}

.next-project-bar:hover {
    background: var(--coral-red-hover);
}

.next-project-content {
    text-align: right;
    display: flex;
    align-items: center;
    gap: 24px;
    position: relative;
    z-index: 2;
}

.next-project-label {
    font-family: var(--font-body, 'Inter', sans-serif);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: block;
    margin-bottom: 4px;
}

.next-project-name {
    font-family: var(--font-heading, 'Poppins', sans-serif);
    font-size: clamp(22px, 3.5vw, 36px);
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.5px;
}

.next-project-arrow {
    font-size: 28px;
    color: var(--white);
    transition: transform 0.3s ease;
    line-height: 1;
}

.next-project-bar:hover .next-project-arrow {
    transform: translate(6px, -6px);
}

/* ===================================
   RESPONSIVE ADJUSTMENTS
   =================================== */
@media (max-width: 1024px) {
    .portfolio-main {
        grid-template-columns: 1fr;
        gap: var(--space-2xl, 32px);
    }

    .detail-section {
        grid-template-columns: 1fr;
        gap: var(--space-sm, 12px);
    }
    
    .next-project-bar {
        padding: 30px 40px;
    }
}

@media (max-width: 768px) {
    .portfolio-hero {
        margin-top: 80px;
        min-height: 200px;
        padding: var(--space-2xl, 32px) 0;
    }

    .portfolio-content {
        padding: var(--space-2xl, 32px) 0;
    }

    .portfolio-hero-thumbnail {
        margin-bottom: var(--space-2xl, 32px);
    }

    .gallery-nav {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .gallery-prev {
        left: 10px;
    }

    .gallery-next {
        right: 10px;
    }

    .portfolio-cta {
        padding: 60px 0 50px;
    }

    .next-project-bar {
        padding: 24px 20px;
        justify-content: center;
    }

    .next-project-content {
        text-align: center;
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .portfolio-hero-title {
        font-size: 28px;
    }
    
    .cta-heading {
        font-size: 32px;
    }
}