/* ============================================================
   PORTFOLIO.CSS — EcoBuild Studio
   ONLY portfolio page-specific styles.
   Global styles are in global.css / components.css
   ============================================================ */

/* ══════════════════════════════════════
   PAGE HERO / BREADCRUMB
══════════════════════════════════════ */
.page-hero {
    position: relative;
    min-height: 340px;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.page-hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
    transform: scale(1.05);
    transition: transform 6s ease;
}

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

.page-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,40,20,0.80) 0%, rgba(15,74,50,0.60) 100%);
    z-index: 0;
}

.page-hero .container {
    position: relative;
    z-index: 1;
    padding-block: var(--space-2xl);
}

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

.page-hero__title {
    font-family: var(--ff-heading);
    font-size: var(--fs-h1);
    font-weight: var(--fw-bold);
    color: var(--clr-white);
    line-height: var(--lh-tight);
    margin-bottom: var(--space-sm);
}

.breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--fs-sm);
    color: rgba(255,255,255,0.75);
}

.breadcrumb a {
    color: rgba(255,255,255,0.75);
    transition: color var(--dur-fast) ease;
}

.breadcrumb a:hover { color: var(--clr-secondary-light); }
.breadcrumb__sep { display: flex; align-items: center; font-size: 0.75em; }
.breadcrumb__current { color: var(--clr-secondary-light); font-weight: var(--fw-medium); }

/* ══════════════════════════════════════
   STATS STRIP
══════════════════════════════════════ */
.pf-stats-strip {
    background: var(--clr-bg-alt);
}

.pf-stats-strip__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.pf-stat-card {
    text-align: center;
    padding: var(--space-xl) var(--space-lg);
    background: var(--clr-bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--clr-border-light);
    transition: var(--transition);
}

.pf-stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(var(--clr-primary-rgb), 0.3);
}

.pf-stat-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: rgba(var(--clr-primary-rgb), 0.1);
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto var(--space-sm);
    transition: var(--transition);
}

.pf-stat-card:hover .pf-stat-card__icon {
    background: var(--clr-primary);
    color: var(--clr-white);
}

.pf-stat-card strong {
    display: block;
    font-family: var(--ff-heading);
    font-size: clamp(2rem, 3vw, 3rem);
    font-weight: var(--fw-bold);
    color: var(--clr-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.pf-stat-card span {
    font-size: var(--fs-sm);
    color: var(--clr-text-muted);
    font-weight: var(--fw-medium);
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
}

/* ══════════════════════════════════════
   SECTION DESC
══════════════════════════════════════ */
.section-desc {
    font-size: var(--fs-lg);
    color: var(--clr-text-secondary);
    line-height: var(--lh-relaxed);
    max-width: 640px;
    margin-inline: auto;
}

/* ══════════════════════════════════════
   FILTER BAR
══════════════════════════════════════ */
.pf-filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-2xl);
}

.pf-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.55rem 1.4rem;
    border-radius: var(--radius-full);
    border: 1.5px solid var(--clr-border);
    background: var(--clr-bg-card);
    color: var(--clr-text-secondary);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.pf-filter-btn i { font-size: 0.9rem; }

.pf-filter-btn:hover {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    background: rgba(var(--clr-primary-rgb), 0.05);
}

.pf-filter-btn.active {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
    color: var(--clr-white);
    box-shadow: 0 4px 14px rgba(var(--clr-primary-rgb), 0.35);
}

/* ══════════════════════════════════════
   PORTFOLIO GRID / MASONRY
══════════════════════════════════════ */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

/* Item visibility state */
.portfolio-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.portfolio-item.show {
    opacity: 1;
    transform: translateY(0);
}

/* ══════════════════════════════════════
   PORTFOLIO CARD
══════════════════════════════════════ */
.portfolio-item__inner {
    background: var(--clr-bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--clr-border-light);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.portfolio-item__inner:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

/* Image Wrap */
.portfolio-item__img-wrap {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.portfolio-item__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.65s var(--ease-out);
    display: block;
}

.portfolio-item__inner:hover .portfolio-item__img {
    transform: scale(1.07);
}

/* Badges */
.portfolio-item__badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    background: var(--clr-secondary);
    color: var(--clr-white);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: var(--ls-wide);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    z-index: 2;
}

.portfolio-item__badge i { font-size: 0.65rem; }

.portfolio-item__cat {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    background: rgba(var(--clr-primary-rgb), 0.88);
    color: var(--clr-white);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: var(--ls-wide);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    backdrop-filter: blur(6px);
    z-index: 2;
}

/* Hover Overlay */
.portfolio-item__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,40,20,0.92) 0%, rgba(10,40,20,0.5) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--space-md);
    opacity: 0;
    transition: opacity var(--dur-normal) ease;
    z-index: 3;
}

.portfolio-item__inner:hover .portfolio-item__overlay {
    opacity: 1;
}

/* Action buttons on hover */
.portfolio-item__overlay-actions {
    display: flex;
    gap: var(--space-xs);
    justify-content: flex-end;
    align-self: flex-start;
    transform: translateY(-8px);
    transition: transform var(--dur-normal) ease;
}

.portfolio-item__inner:hover .portfolio-item__overlay-actions {
    transform: translateY(0);
}

.portfolio-item__action-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.2);
    border: 1.5px solid rgba(255,255,255,0.4);
    color: var(--clr-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(8px);
    text-decoration: none;
}

.portfolio-item__action-btn:hover {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
    color: var(--clr-white);
    transform: scale(1.1);
}

/* Overlay text info */
.portfolio-item__overlay-info {
    transform: translateY(8px);
    transition: transform var(--dur-normal) ease;
}

.portfolio-item__inner:hover .portfolio-item__overlay-info {
    transform: translateY(0);
}

.portfolio-item__overlay-info h3 {
    font-family: var(--ff-heading);
    font-size: var(--fs-h5);
    font-weight: var(--fw-semibold);
    color: var(--clr-white);
    margin-bottom: 4px;
    line-height: var(--lh-snug);
}

.portfolio-item__overlay-info p {
    font-size: var(--fs-xs);
    color: rgba(255,255,255,0.8);
    line-height: var(--lh-normal);
    margin: 0;
}

/* Card Footer */
.portfolio-item__footer {
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    border-top: 1px solid var(--clr-border-light);
}

.portfolio-item__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.portfolio-item__meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--fs-xs);
    color: var(--clr-text-muted);
}

.portfolio-item__meta span i {
    font-size: 0.8rem;
    color: var(--clr-primary);
    flex-shrink: 0;
}

.portfolio-item__link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--clr-primary);
    white-space: nowrap;
    flex-shrink: 0;
    transition: gap var(--dur-fast) ease, color var(--dur-fast) ease;
}

.portfolio-item__inner:hover .portfolio-item__link {
    gap: 10px;
}

/* ══════════════════════════════════════
   LOAD MORE
══════════════════════════════════════ */
.pf-load-more-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
}

.pf-load-more__count {
    font-size: var(--fs-sm);
    color: var(--clr-text-muted);
    margin: 0;
}

/* ══════════════════════════════════════
   PROJECT SPOTLIGHT
══════════════════════════════════════ */
.pf-spotlight__card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid var(--clr-border-light);
    box-shadow: var(--shadow-xl);
}

.pf-spotlight__image {
    position: relative;
    min-height: 480px;
    overflow: hidden;
}

.pf-spotlight__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease-out);
}

.pf-spotlight__card:hover .pf-spotlight__image img {
    transform: scale(1.04);
}

.pf-spotlight__img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,40,20,0.35) 0%, transparent 60%);
}

.pf-spotlight__content {
    background: var(--clr-bg-card);
    padding: var(--space-2xl) var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.pf-spotlight__cat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: var(--ls-widest);
    color: var(--clr-primary);
    background: rgba(var(--clr-primary-rgb), 0.1);
    padding: 4px 14px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
    width: fit-content;
}

.pf-spotlight__content h3 {
    font-family: var(--ff-heading);
    font-size: var(--fs-h3);
    font-weight: var(--fw-bold);
    color: var(--clr-text);
    line-height: var(--lh-snug);
    margin-bottom: var(--space-md);
}

.pf-spotlight__content > p {
    font-size: var(--fs-base);
    color: var(--clr-text-secondary);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-xl);
}

.pf-spotlight__details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background: var(--clr-bg-alt);
    border-radius: var(--radius-lg);
}

.pf-spotlight__detail {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.pf-spotlight__detail i {
    font-size: 1.1rem;
    color: var(--clr-primary);
    margin-top: 2px;
    flex-shrink: 0;
}

.pf-spotlight__detail strong {
    display: block;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--clr-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--ls-wide);
    margin-bottom: 2px;
}

.pf-spotlight__detail span {
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    color: var(--clr-text);
}

/* ══════════════════════════════════════
   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;
}

/* ══════════════════════════════════════
   LIGHTBOX MODAL
══════════════════════════════════════ */
.pf-lightbox {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur-normal) ease, visibility var(--dur-normal) ease;
}

.pf-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.pf-lightbox__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(8px);
    cursor: pointer;
}

.pf-lightbox__close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.1);
    border: 1.5px solid rgba(255,255,255,0.25);
    color: var(--clr-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    cursor: pointer;
    z-index: 2;
    transition: background var(--dur-fast) ease, transform var(--dur-fast) ease;
}

.pf-lightbox__close:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.1);
}

.pf-lightbox__content {
    position: relative;
    z-index: 1;
    max-width: min(900px, 92vw);
    width: 100%;
    transform: scale(0.92) translateY(20px);
    transition: transform var(--dur-normal) var(--ease-out);
}

.pf-lightbox.active .pf-lightbox__content {
    transform: scale(1) translateY(0);
}

.pf-lightbox__img-wrap {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    line-height: 0;
}

.pf-lightbox__img {
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
    display: block;
    background: var(--clr-bg-alt);
}

.pf-lightbox__info {
    padding: var(--space-md) var(--space-sm) 0;
    text-align: center;
}

.pf-lightbox__info h4 {
    font-family: var(--ff-heading);
    font-size: var(--fs-h5);
    font-weight: var(--fw-semibold);
    color: var(--clr-white);
    margin-bottom: 4px;
}

.pf-lightbox__info p {
    font-size: var(--fs-sm);
    color: rgba(255,255,255,0.6);
    margin: 0;
}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 1200px) {
    .portfolio-grid         { grid-template-columns: repeat(3, 1fr); }
    .pf-spotlight__details  { grid-template-columns: 1fr; }
}

@media (max-width: 1024px) {
    .portfolio-grid         { grid-template-columns: repeat(2, 1fr); }
    .pf-spotlight__card     { grid-template-columns: 1fr; }
    .pf-spotlight__image    { min-height: 320px; }
    .pf-stats-strip__grid   { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .pf-filter-bar          { gap: var(--space-2xs); }
    .pf-filter-btn          { font-size: var(--fs-xs); padding: 0.45rem 1rem; }
    .portfolio-item__footer { flex-direction: column; align-items: flex-start; gap: var(--space-xs); }
    .pf-spotlight__content  { padding: var(--space-xl) var(--space-lg); }
    .cta-content > div      { flex-direction: column; align-items: center; }
}

@media (max-width: 576px) {
    .portfolio-grid         { grid-template-columns: 1fr; }
    .pf-stats-strip__grid   { grid-template-columns: repeat(2, 1fr); }
    .pf-filter-btn span     { display: none; }
    .portfolio-item__meta   { flex-direction: column; gap: 4px; }
}