/* ============================================================
   PROJECT-DETAILS.CSS — EcoBuild Studio
   Single project detail page styles only.
   ============================================================ */

/* ══════════════════════════════════════
   PROJECT HERO BANNER
══════════════════════════════════════ */
.pd-hero {
    position: relative;
    height: 580px;
    display: flex;
    align-items: flex-end;
    padding-top: var(--header-height);
    overflow: hidden;
}

@media (max-width: 768px) { .pd-hero { height: 420px; } }

.pd-hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
    transform: scale(1.04);
    transition: transform 8s ease;
}

.pd-hero:hover .pd-hero__bg { transform: scale(1); }

.pd-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(5, 20, 10, 0.92) 0%,
        rgba(10, 40, 20, 0.55) 55%,
        rgba(10, 40, 20, 0.20) 100%
    );
    z-index: 0;
}

.pd-hero .container {
    position: relative;
    z-index: 1;
    padding-bottom: var(--space-2xl);
    width: 100%;
}

.pd-hero__meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    flex-wrap: wrap;
}

.pd-hero__category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: var(--ls-widest);
    color: var(--clr-secondary-light);
}

.pd-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    color: rgba(255,255,255,0.75);
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    backdrop-filter: blur(4px);
}

.pd-hero__title {
    font-family: var(--ff-heading);
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: var(--fw-bold);
    color: var(--clr-white);
    line-height: var(--lh-tight);
    margin-bottom: var(--space-md);
    max-width: 800px;
}

.pd-hero__breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--fs-sm);
    color: rgba(255,255,255,0.65);
}

.pd-hero__breadcrumb a {
    color: rgba(255,255,255,0.75);
    transition: color 0.2s;
}

.pd-hero__breadcrumb a:hover { color: var(--clr-secondary-light); }
.pd-hero__breadcrumb .sep { color: rgba(255,255,255,0.35); font-size: 0.7em; }

/* ══════════════════════════════════════
   MAIN CONTENT + SIDEBAR LAYOUT
══════════════════════════════════════ */
.pd-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: var(--space-2xl);
    align-items: start;
}

@media (max-width: 1100px) {
    .pd-layout {
        grid-template-columns: 1fr;
    }
    .pd-sidebar { order: -1; }
}

/* ══════════════════════════════════════
   STICKY SIDEBAR
══════════════════════════════════════ */
.pd-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-lg));
}

.pd-sidebar__card {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border-light);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.pd-sidebar__header {
    background: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-primary));
    padding: var(--space-lg);
    color: var(--clr-white);
}

.pd-sidebar__header h3 {
    font-family: var(--ff-heading);
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
    margin-bottom: 2px;
}

.pd-sidebar__header p {
    font-size: var(--fs-xs);
    opacity: 0.75;
    text-transform: uppercase;
    letter-spacing: var(--ls-wide);
}

.pd-sidebar__body { padding: var(--space-lg); }

.pd-info-list { display: flex; flex-direction: column; gap: 0; }

.pd-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--clr-border-light);
}

.pd-info-item:last-child { border-bottom: none; }

.pd-info-item__icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: rgba(var(--clr-primary-rgb), 0.08);
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.pd-info-item__label {
    font-size: var(--fs-xs);
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--ls-wide);
    font-weight: var(--fw-semibold);
    line-height: 1.2;
    margin-bottom: 2px;
}

.pd-info-item__value {
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--clr-text);
    line-height: 1.4;
}

.pd-sidebar__cta {
    padding: var(--space-lg);
    padding-top: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

/* ══════════════════════════════════════
   OVERVIEW / DESCRIPTION
══════════════════════════════════════ */
.pd-overview {
    margin-bottom: var(--space-2xl);
}

.pd-overview__text {
    font-size: var(--fs-base);
    line-height: var(--lh-relaxed);
    color: var(--clr-text-secondary);
}

.pd-overview__text p { margin-bottom: var(--space-md); }
.pd-overview__text p:last-child { margin-bottom: 0; }

.pd-overview__text strong { color: var(--clr-text); font-weight: var(--fw-semibold); }
.pd-overview__text em { color: var(--clr-primary); font-style: normal; font-weight: var(--fw-medium); }

/* ══════════════════════════════════════
   PROJECT STATS
══════════════════════════════════════ */
.pd-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.pd-stat {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    transition: var(--transition-base);
    box-shadow: var(--shadow-xs);
}

.pd-stat:hover {
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px rgba(var(--clr-primary-rgb), 0.08);
    transform: translateY(-2px);
}

.pd-stat__icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(var(--clr-primary-rgb), 0.12), rgba(var(--clr-primary-rgb), 0.06));
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.pd-stat__value {
    font-family: var(--ff-heading);
    font-size: var(--fs-lg);
    font-weight: var(--fw-bold);
    color: var(--clr-text);
    line-height: 1.2;
    margin-bottom: 2px;
}

.pd-stat__label {
    font-size: var(--fs-xs);
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--ls-wide);
    font-weight: var(--fw-semibold);
}

/* ══════════════════════════════════════
   IMAGE GALLERY / LIGHTBOX
══════════════════════════════════════ */
.pd-gallery {
    margin-bottom: var(--space-2xl);
}

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

.pd-gallery__grid .pd-gallery__item:first-child {
    grid-column: span 2;
    grid-row: span 2;
}

@media (max-width: 600px) {
    .pd-gallery__grid {
        grid-template-columns: 1fr 1fr;
    }
    .pd-gallery__grid .pd-gallery__item:first-child {
        grid-column: span 2;
        grid-row: span 1;
    }
}

.pd-gallery__item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
    background: var(--clr-bg-alt);
}

.pd-gallery__item:first-child { aspect-ratio: 16/10; }

.pd-gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.pd-gallery__item:hover img { transform: scale(1.06); }

.pd-gallery__overlay {
    position: absolute;
    inset: 0;
    background: rgba(var(--clr-primary-rgb), 0.55);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    opacity: 0;
    transition: opacity 0.3s ease;
    color: white;
    text-align: center;
    padding: var(--space-sm);
}

.pd-gallery__overlay i { font-size: 1.75rem; }
.pd-gallery__overlay span { font-size: var(--fs-xs); font-weight: var(--fw-medium); line-height: 1.3; }
.pd-gallery__item:hover .pd-gallery__overlay { opacity: 1; }

.pd-gallery__more {
    position: absolute;
    inset: 0;
    background: rgba(5, 20, 10, 0.70);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--fs-2xl);
    font-weight: var(--fw-bold);
    gap: 4px;
    cursor: pointer;
    transition: background 0.3s;
}

.pd-gallery__more span { font-size: var(--fs-xs); font-weight: var(--fw-normal); opacity: 0.8; }
.pd-gallery__more:hover { background: rgba(var(--clr-primary-rgb), 0.75); }

/* ══════════════════════════════════════
   LIGHTBOX
══════════════════════════════════════ */
.pd-lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.pd-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.pd-lightbox__inner {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pd-lightbox__img {
    max-width: 90vw;
    max-height: 75vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    display: block;
}

.pd-lightbox__caption {
    margin-top: var(--space-sm);
    color: rgba(255,255,255,0.7);
    font-size: var(--fs-sm);
    text-align: center;
}

.pd-lightbox__counter {
    color: rgba(255,255,255,0.45);
    font-size: var(--fs-xs);
    margin-top: 4px;
}

.pd-lightbox__close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    cursor: pointer;
    border: 1px solid rgba(255,255,255,0.2);
    transition: background 0.2s;
}

.pd-lightbox__close:hover { background: rgba(255,255,255,0.2); }

.pd-lightbox__prev,
.pd-lightbox__next {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    z-index: 1;
}

.pd-lightbox__prev { left: var(--space-md); }
.pd-lightbox__next { right: var(--space-md); }

.pd-lightbox__prev:hover,
.pd-lightbox__next:hover {
    background: rgba(var(--clr-primary-rgb), 0.6);
    transform: translateY(-50%) scale(1.08);
}

/* ══════════════════════════════════════
   CHALLENGE & SOLUTION
══════════════════════════════════════ */
.pd-challenge-solution {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

@media (max-width: 768px) {
    .pd-challenge-solution { grid-template-columns: 1fr; }
}

.pd-cs-card {
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
}

.pd-cs-card--challenge {
    background: linear-gradient(135deg, #FFF5F0, #FDE8DE);
    border: 1px solid rgba(232, 115, 74, 0.2);
}

.pd-cs-card--solution {
    background: linear-gradient(135deg, #F0FAF4, #DDF1E7);
    border: 1px solid rgba(27, 107, 74, 0.2);
}

[data-theme="dark"] .pd-cs-card--challenge {
    background: linear-gradient(135deg, rgba(232,115,74,0.1), rgba(232,115,74,0.05));
    border-color: rgba(232,115,74,0.2);
}

[data-theme="dark"] .pd-cs-card--solution {
    background: linear-gradient(135deg, rgba(27,107,74,0.12), rgba(27,107,74,0.06));
    border-color: rgba(27,107,74,0.25);
}

.pd-cs-card__icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.pd-cs-card--challenge .pd-cs-card__icon {
    background: rgba(232, 115, 74, 0.15);
    color: var(--clr-accent);
}

.pd-cs-card--solution .pd-cs-card__icon {
    background: rgba(27, 107, 74, 0.15);
    color: var(--clr-primary);
}

.pd-cs-card__label {
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: var(--ls-widest);
    margin-bottom: var(--space-xs);
}

.pd-cs-card--challenge .pd-cs-card__label { color: var(--clr-accent); }
.pd-cs-card--solution .pd-cs-card__label { color: var(--clr-primary); }

.pd-cs-card h3 {
    font-family: var(--ff-heading);
    font-size: var(--fs-xl);
    font-weight: var(--fw-semibold);
    color: var(--clr-text);
    margin-bottom: var(--space-sm);
}

.pd-cs-card p {
    font-size: var(--fs-sm);
    line-height: var(--lh-relaxed);
    color: var(--clr-text-secondary);
}

/* ══════════════════════════════════════
   FLOOR PLAN
══════════════════════════════════════ */
.pd-floorplan {
    margin-bottom: var(--space-2xl);
    background: var(--clr-bg-alt);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid var(--clr-border-light);
}

.pd-floorplan__img {
    width: 100%;
    border-radius: var(--radius-lg);
    cursor: zoom-in;
    transition: transform 0.3s;
    border: 1px solid var(--clr-border-light);
}

.pd-floorplan__img:hover { transform: scale(1.01); }

/* ══════════════════════════════════════
   CLIENT TESTIMONIAL BLOCKQUOTE
══════════════════════════════════════ */
.pd-testimonial {
    background: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-primary));
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    position: relative;
    overflow: hidden;
    margin-bottom: var(--space-2xl);
    color: white;
}

.pd-testimonial::before {
    content: '\201C';
    position: absolute;
    top: -20px;
    left: var(--space-xl);
    font-family: var(--ff-heading);
    font-size: 12rem;
    color: rgba(255,255,255,0.06);
    line-height: 1;
    pointer-events: none;
}

.pd-testimonial__stars {
    display: flex;
    gap: 3px;
    margin-bottom: var(--space-md);
}

.pd-testimonial__stars i { color: #F5C842; font-size: 1rem; }

.pd-testimonial__text {
    font-family: var(--ff-heading);
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    line-height: var(--lh-relaxed);
    color: rgba(255,255,255,0.92);
    margin-bottom: var(--space-lg);
    font-style: italic;
    position: relative;
    z-index: 1;
}

.pd-testimonial__author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    position: relative;
    z-index: 1;
}

.pd-testimonial__avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255,255,255,0.3);
}

.pd-testimonial__avatar-placeholder {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--ff-heading);
    font-size: 1.25rem;
    font-weight: var(--fw-bold);
    color: white;
}

.pd-testimonial__name {
    font-weight: var(--fw-semibold);
    font-size: var(--fs-base);
    color: white;
}

.pd-testimonial__role {
    font-size: var(--fs-xs);
    color: rgba(255,255,255,0.65);
}

/* ══════════════════════════════════════
   NEXT / PREVIOUS PROJECT NAV
══════════════════════════════════════ */
.pd-project-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
}

@media (max-width: 600px) {
    .pd-project-nav { grid-template-columns: 1fr; }
}

.pd-nav-link {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border-light);
    transition: var(--transition-base);
    text-decoration: none;
    box-shadow: var(--shadow-xs);
}

.pd-nav-link:hover {
    border-color: var(--clr-primary);
    box-shadow: 0 4px 20px rgba(var(--clr-primary-rgb), 0.12);
    transform: translateY(-3px);
}

.pd-nav-link--next { flex-direction: row-reverse; text-align: right; }

.pd-nav-link__thumb {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    object-fit: cover;
    flex-shrink: 0;
}

.pd-nav-link__thumb-placeholder {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: var(--clr-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-primary);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.pd-nav-link__dir {
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: var(--ls-widest);
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 4px;
}

.pd-nav-link__title {
    font-weight: var(--fw-semibold);
    color: var(--clr-text);
    font-size: var(--fs-sm);
    line-height: var(--lh-tight);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pd-nav-link__cat {
    font-size: var(--fs-xs);
    color: var(--clr-text-muted);
    margin-top: 2px;
}

/* ══════════════════════════════════════
   RELATED PROJECTS
══════════════════════════════════════ */
.pd-related__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

@media (max-width: 900px) {
    .pd-related__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
    .pd-related__grid { grid-template-columns: 1fr; }
}

.pd-related-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border-light);
    box-shadow: var(--shadow-xs);
    transition: var(--transition-base);
    text-decoration: none;
    display: block;
}

.pd-related-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--clr-primary);
}

.pd-related-card__image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.pd-related-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.pd-related-card:hover .pd-related-card__image img { transform: scale(1.07); }

.pd-related-card__overlay {
    position: absolute;
    inset: 0;
    background: rgba(var(--clr-primary-rgb), 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
    opacity: 0;
    transition: opacity 0.3s;
}

.pd-related-card:hover .pd-related-card__overlay { opacity: 1; }

.pd-related-card__info {
    padding: var(--space-md);
}

.pd-related-card__cat {
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--clr-primary);
    text-transform: uppercase;
    letter-spacing: var(--ls-wide);
    margin-bottom: 4px;
}

.pd-related-card__title {
    font-family: var(--ff-heading);
    font-size: var(--fs-base);
    font-weight: var(--fw-semibold);
    color: var(--clr-text);
    line-height: var(--lh-tight);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ══════════════════════════════════════
   CTA SECTION
══════════════════════════════════════ */
.cta-section {
    position: relative;
    padding-block: var(--space-3xl);
    overflow: hidden;
}

.cta-section__bg {
    position: absolute;
    inset: -30%;
    background-size: cover;
    background-position: center;
    z-index: 0;
    will-change: transform;
}

.cta-section__overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 40, 20, .78);
    z-index: 1;
}

.cta-section .container {
    position: relative;
    z-index: 2;
}

.cta-content {
    padding-block: var(--space-lg);
}

.cta-content h2 {
    font-family: var(--ff-heading);
    font-size: clamp(2rem, 3vw, 3rem);
    font-weight: var(--fw-bold);
    color: var(--clr-white);
    margin-bottom: var(--space-sm);
}

.cta-content p {
    font-size: var(--fs-lg);
    color: rgba(255, 255, 255, .8);
    margin-bottom: var(--space-xl);
}

.cta-content > div {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
}

@media (max-width: 768px) {
    .cta-content > div { flex-direction: column; align-items: center; }
}

/* ══════════════════════════════════════
   SECTION TITLE (local override)
══════════════════════════════════════ */
.pd-section-title {
    font-family: var(--ff-heading);
    font-size: var(--fs-2xl);
    font-weight: var(--fw-semibold);
    color: var(--clr-text);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.pd-section-title i {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: rgba(var(--clr-primary-rgb), 0.1);
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}