/* ===== Project Hero ===== */
.project-hero {
    position: relative;
    display: flex;
    align-items: center;
    padding: 140px 20px 160px;
    background-color: #032550;
    background-image: linear-gradient(160deg, rgba(3,37,80,0.95) 30%, rgba(48,132,171,0.85) 100%);
    text-align: center;
}
.project-hero .container {
    position: relative;
    z-index: 1;
}
.project-hero-content {
    max-width: 800px;
    margin: 0 auto;
}
.project-back-link {
    display: inline-block;
    color: rgba(255,255,255,0.7);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    transition: var(--transition);
    text-decoration: none;
}
.project-back-link:hover {
    color: var(--color-gold);
}
.project-hero-tag {
    display: inline-block;
    color: var(--color-gold);
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.project-hero-content h1 {
    color: var(--color-white);
    font-size: clamp(1.8rem, 4.5vw, 2.6rem);
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    margin-bottom: 0;
}
.project-hero-wave-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    line-height: 0;
    z-index: 1;
}
.project-hero-wave-bottom svg {
    display: block;
    width: 100%;
    height: 90px;
}

/* ===== Video Embed Section ===== */
.project-video-section {
    padding: 60px 0 20px;
    background: var(--color-white);
}
.project-video-section .container {
    max-width: 960px;
}
.project-video-embed {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}
.project-video-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    border-radius: 12px;
}

/* Thumbnail fallback (for projects without video) */
.project-thumbnail-fallback {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.project-thumbnail-fallback img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

/* ===== Project Content Section ===== */
.project-content-section {
    padding: 60px 0 40px;
    background: var(--color-white);
}
.project-content-body {
    max-width: 860px;
    margin: 0 auto;
}
.project-intro {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 48px;
    text-align: center;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

/* Challenge / Solution cards */
.project-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 48px;
}
.project-detail-card {
    background: var(--color-gray-100);
    border-radius: 12px;
    padding: 36px 32px;
    border-top: 4px solid var(--color-teal);
}
.project-detail-card h3 {
    font-size: 1.2rem;
    color: var(--color-navy);
    margin-bottom: 14px;
}
.project-detail-card p {
    color: var(--color-gray-600);
    font-size: 0.98rem;
    line-height: 1.7;
}

/* Benefits list */
.project-benefits {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid, #0a3a6b) 100%);
    border-radius: 12px;
    padding: 40px 36px;
    margin-bottom: 20px;
}
.project-benefits h3 {
    color: var(--color-white);
    font-size: 1.2rem;
    margin-bottom: 20px;
}
.project-benefits ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.project-benefits li {
    color: rgba(255,255,255,0.9);
    font-size: 1rem;
    line-height: 1.6;
    padding: 10px 0;
    padding-left: 32px;
    position: relative;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.project-benefits li:last-child {
    border-bottom: none;
}
.project-benefits li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-weight: 700;
    font-size: 1.1rem;
}

/* ===== Related Projects Section ===== */
.project-related-section {
    padding: 60px 0 40px;
    background: var(--color-white);
}
.project-related-heading {
    text-align: center;
    color: var(--color-navy);
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    margin-bottom: 40px;
}
.project-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

/* Reuse portfolio card styles from portfolio.css */
.project-related-section .portfolio-card {
    background: #FFFFFF;
    border-radius: 10px;
    overflow: hidden;
    transition: transform 300ms ease;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    color: inherit;
    display: block;
}
.project-related-section .portfolio-card:hover {
    transform: scale(1.03);
    z-index: 10;
}
.project-related-section .portfolio-thumb {
    position: relative;
    overflow: hidden;
    border-radius: 10px 10px 0 0;
    border-bottom: 5px solid var(--color-teal);
    transition: border-color 300ms ease;
}
.project-related-section .portfolio-card:hover .portfolio-thumb {
    border-bottom-color: var(--color-gold);
}
.project-related-section .portfolio-thumb img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
}
.project-related-section .portfolio-play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    transition: background 0.3s ease;
}
.project-related-section .portfolio-play span {
    color: #FFFFFF;
    font-size: 2.5rem;
    opacity: 0.8;
    text-shadow: 0 2px 8px rgba(0,0,0,0.4);
    transition: opacity 0.3s ease;
}
.project-related-section .portfolio-card:hover .portfolio-play {
    background: rgba(0,0,0,0.4);
}
.project-related-section .portfolio-card:hover .portfolio-play span {
    opacity: 1;
}
.project-related-section .portfolio-info {
    padding: 20px 16px 28px;
}
.project-related-section .portfolio-tag {
    display: block;
    color: var(--color-gold);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}
.project-related-section .portfolio-info h4 {
    color: var(--color-navy);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
    transition: color 300ms ease;
}
.project-related-section .portfolio-card:hover .portfolio-info h4 {
    color: var(--color-gold);
}

/* ===== Project CTA Section ===== */
.project-cta-section {
    padding: 20px 0 80px;
    background: var(--color-white);
}
.project-cta-box {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid, #0a3a6b) 100%);
    border-radius: 16px;
    padding: 60px 40px;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}
.project-cta-box h2 {
    color: var(--color-white);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 12px;
}
.project-cta-box p {
    color: rgba(255,255,255,0.75);
    font-size: 1.1rem;
    margin-bottom: 8px;
}
.project-cta-box .section-ctas {
    margin-top: 32px;
}

/* ===== Project Gallery ===== */
.project-gallery-section {
    padding: 20px 0 60px;
    background: var(--color-white);
}
.project-gallery-section .container {
    max-width: 960px;
}
.project-gallery-heading {
    text-align: center;
    color: var(--color-navy);
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    margin-bottom: 32px;
}
.project-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.project-gallery-image {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 300ms ease, box-shadow 300ms ease;
    display: block;
}
.project-gallery-image:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

/* ===== Lightbox Modal ===== */
.lightbox-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.lightbox-modal.active {
    opacity: 1;
    visibility: visible;
}
.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
}
.lightbox-content {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
    transition: opacity 0.2s ease;
}
.lightbox-close {
    position: absolute;
    top: 20px;
    right: 24px;
    z-index: 2;
    background: none;
    border: none;
    color: #fff;
    font-size: 2.4rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s ease, transform 0.2s ease;
    line-height: 1;
    padding: 4px 10px;
}
.lightbox-close:hover {
    opacity: 1;
    transform: scale(1.15);
}
.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
    padding: 16px 14px;
    border-radius: 50%;
    opacity: 0.7;
    transition: opacity 0.2s ease, background 0.2s ease;
    line-height: 1;
}
.lightbox-prev:hover,
.lightbox-next:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.2);
}
.lightbox-prev {
    left: 20px;
}
.lightbox-next {
    right: 20px;
}
.lightbox-counter {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
}

/* ===== Social Cutdowns ===== */
.project-social-section {
    padding: 20px 0 60px;
    background: var(--color-white);
}
.project-social-section .container {
    max-width: 960px;
}
.project-social-heading {
    text-align: center;
    color: var(--color-navy);
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    margin-bottom: 32px;
}
.project-social-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.project-social-video .project-video-embed {
    border-radius: 10px;
    overflow: hidden;
}
.project-social-label {
    text-align: center;
    color: var(--color-navy);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 10px;
    letter-spacing: 0.5px;
}

/* ===== Footer override (wave + position) ===== */
.footer {
    position: relative;
    padding-top: 120px;
    margin-top: -1px;
}
.footer-wave-top {
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    line-height: 0;
    z-index: 1;
}
.footer-wave-top svg {
    display: block;
    width: 100%;
    height: 90px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .project-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .project-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .project-social-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .project-hero {
        padding: 120px 20px 130px;
    }
    .project-details-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .project-gallery-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .project-related-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .project-social-grid {
        grid-template-columns: 1fr;
    }
    .project-cta-box {
        padding: 40px 24px;
    }
    .project-benefits {
        padding: 32px 24px;
    }
    .lightbox-prev,
    .lightbox-next {
        padding: 12px 10px;
        font-size: 1.5rem;
    }
    .lightbox-prev {
        left: 10px;
    }
    .lightbox-next {
        right: 10px;
    }
}

@media (max-width: 480px) {
    .project-intro {
        font-size: 1rem;
    }
}