/* ============================================================
   project-page.css — Individual Project Pages (Shared)
   Nexus Living Hub | Session 10
   All 75 project pages link to this one file.
   Zero hardcoded hex — all values via CSS custom properties.
   ============================================================ */


/* ── 01. PROJECT HERO — 50vh warm light
   ============================================================ */
.project-hero {
  min-height: 50vh;
  background: linear-gradient(to bottom, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  position: relative;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

/* Grain texture overlay */
.project-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23grain)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* Warm vignette — concentrated at top so the hero fades INTO the body bg below */
.project-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(74, 55, 40, 0.05) 0%,
    transparent 60%
  );
  pointer-events: none;
  z-index: 1;
}

.project-hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: var(--space-2xl) var(--space-sm) var(--space-2xl);
  text-align: center;
}

@media (min-width: 768px) {
  .project-hero__content {
    text-align: left;
    padding: var(--space-2xl) var(--space-lg) var(--space-2xl);
  }
}

@media (min-width: 1280px) {
  .project-hero__content {
    padding: var(--space-2xl) var(--space-xl) var(--space-2xl);
    max-width: 1200px;
    margin: 0 auto;
  }
}

/* Breadcrumb */
.project-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  font-family: var(--font-accent);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: var(--tracking-cta);
  text-transform: uppercase;
  color: rgba(74, 55, 40, 0.5);
  margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
  .project-hero__breadcrumb {
    justify-content: flex-start;
  }
}

.project-hero__breadcrumb a {
  color: rgba(74, 55, 40, 0.5);
  text-decoration: none;
  transition: color 0.2s ease;
}

.project-hero__breadcrumb a:hover {
  color: var(--color-gold-text);
}

.project-hero__breadcrumb-sep {
  font-size: 0.5625rem;
  opacity: 0.5;
}

/* Badge strip */
.project-hero__badges {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--space-md);
}

@media (min-width: 768px) {
  .project-hero__badges {
    justify-content: flex-start;
  }
}

.project-hero__badge {
  font-family: var(--font-accent);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: var(--tracking-cta);
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  line-height: 1.4;
  display: inline-block;
}

.project-hero__badge--type {
  background: var(--color-terracotta);
  color: var(--color-text-on-dark);
}

.project-hero__badge--locality {
  background: var(--color-accent-gold);
  color: var(--color-text-primary);
}

.project-hero__badge--year {
  background: rgba(201, 169, 110, 0.15);
  color: var(--color-accent-dark);
  border: 1px solid rgba(201, 169, 110, 0.35);
}

/* H1 */
.project-hero__title {
  font-family: var(--font-hero);
  font-size: clamp(1.625rem, 3.5vw + 0.5rem, 2.75rem);
  font-weight: 700;
  color: var(--color-accent-dark);
  line-height: var(--leading-heading);
  margin: 0;
  max-width: 700px;
}

@media (max-width: 767px) {
  .project-hero__title {
    margin: 0 auto;
  }
}


/* ── 02. DETAILS CARD — overlaps hero base
   ============================================================ */
.project-details-wrap {
  background: transparent;
  padding-top: 0;
  padding-bottom: var(--space-xl);
}

.project-details-card {
  background: var(--color-surface-raised);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-hover);
  padding: var(--space-md);
  margin-top: calc(-1 * var(--space-xl));
  margin-left: var(--space-sm);
  margin-right: var(--space-sm);
  position: relative;
  z-index: 10;
}

@media (min-width: 768px) {
  .project-details-card {
    padding: var(--space-lg);
    margin-top: calc(-1 * var(--space-2xl));
    margin-left: var(--space-lg);
    margin-right: var(--space-lg);
    max-width: 960px;
  }
}

@media (min-width: 1280px) {
  .project-details-card {
    margin-left: auto;
    margin-right: auto;
    max-width: 960px;
  }
}

.project-details-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md) var(--space-sm);
}

@media (min-width: 640px) {
  .project-details-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }
}

.project-detail-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.project-detail-item__icon {
  color: var(--color-accent-gold);
  font-size: 0.875rem;
  margin-bottom: 2px;
  display: block;
}

.project-detail-item__label {
  font-family: var(--font-accent);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-small);
}

.project-detail-item__value {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-primary);
  line-height: 1.4;
}


/* ── 03. BEFORE / AFTER SLIDER
   ============================================================ */
.project-ba-section {
  background: var(--color-surface);
  padding: var(--section-pad-mobile);
}

@media (min-width: 768px) {
  .project-ba-section {
    padding: var(--section-pad-tablet);
  }
}

.project-section-label {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: var(--tracking-cta);
  text-transform: uppercase;
  color: var(--color-accent-gold);
  display: block;
  text-align: center;
  margin-bottom: var(--space-xs);
}

.project-section-title {
  font-family: var(--font-heading);
  font-size: var(--size-h2);
  font-weight: 700;
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: var(--space-xl);
  line-height: var(--leading-heading);
}

.project-ba-container {
  max-width: 900px;
  margin: 0 auto;
}

.project-ba-container .before-after-slider {
  aspect-ratio: 16 / 9;
  width: 100%;
  border-radius: var(--radius-md);
}


/* ── 04. PHOTO GALLERY
   ============================================================ */
.project-gallery-section {
  background: var(--color-bg-primary);
  padding: var(--section-pad-mobile);
}

@media (min-width: 768px) {
  .project-gallery-section {
    padding: var(--section-pad-tablet);
  }
}

.project-gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

@media (min-width: 640px) {
  .project-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
}

@media (min-width: 1024px) {
  .project-gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
  }
}

.project-gallery-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  cursor: pointer;
}

.project-gallery-placeholder {
  aspect-ratio: 4 / 3;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-gallery-placeholder::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    rgba(74, 55, 40, 0.025) 0px,
    rgba(74, 55, 40, 0.025) 1px,
    transparent 1px,
    transparent 24px
  );
  pointer-events: none;
}

.project-gallery-item:hover .project-gallery-placeholder {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.project-gallery-placeholder i {
  font-size: 2rem;
  color: var(--color-border);
  position: relative;
  z-index: 1;
}

.project-gallery-caption {
  font-family: var(--font-accent);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-align: center;
  padding: 0 var(--space-xs);
}


/* ── 05. DESIGN STORY
   ============================================================ */
.project-story-section {
  background: var(--color-surface);
  padding: var(--section-pad-mobile);
}

@media (min-width: 768px) {
  .project-story-section {
    padding: var(--section-pad-tablet);
  }
}

.project-story-body {
  max-width: 760px;
  margin: 0 auto;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text-primary);
}


/* ── 06. SCOPE OF WORK
   ============================================================ */
.project-scope-section {
  background: var(--color-bg-primary);
  padding: var(--section-pad-mobile);
}

@media (min-width: 768px) {
  .project-scope-section {
    padding: var(--section-pad-tablet);
  }
}

.project-scope-list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 800px;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

@media (min-width: 580px) {
  .project-scope-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-scope-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  line-height: 1.5;
  padding: var(--space-sm);
  background: var(--color-surface-raised);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.project-scope-item i {
  color: var(--color-accent-green);
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 2px;
}


/* ── 07. RELATED PROJECTS
   ============================================================ */
.project-related-section {
  background: var(--color-surface);
  padding: var(--section-pad-mobile);
}

@media (min-width: 768px) {
  .project-related-section {
    padding: var(--section-pad-tablet);
  }
}

.project-related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 640px) {
  .project-related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .project-related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Reuse project-card pattern from projects.css but scoped here for safety */
.project-related-section .project-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  opacity: 1;
  transform: none;
}

.project-related-section .project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.project-related-section .project-card__image {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.project-related-section .project-card__image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    rgba(74, 55, 40, 0.03) 0px,
    rgba(74, 55, 40, 0.03) 1px,
    transparent 1px,
    transparent 28px
  );
}

.project-related-section .project-card__icon {
  font-size: 2rem;
  color: var(--color-border);
  position: relative;
  z-index: 1;
}

.project-related-section .project-card__badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: 2;
  font-family: var(--font-accent);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: var(--tracking-cta);
  text-transform: uppercase;
  color: var(--color-text-on-dark);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--color-terracotta);
  line-height: 1.4;
}

.project-related-section .project-card__content {
  padding: var(--space-md);
}

.project-related-section .project-card__title {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 1.5vw, 1.1875rem);
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.3;
  margin-bottom: var(--space-xs);
}

.project-related-section .project-card__location {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: 6px;
}

.project-related-section .project-card__location i {
  color: var(--color-accent-gold);
  font-size: 0.75rem;
}

.project-related-section .project-card__link {
  font-family: var(--font-accent);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-gold);
  text-decoration: none;
  transition: color 0.2s ease;
}

.project-related-section .project-card__link:hover {
  color: var(--color-accent-dark);
}


/* ── 08. CTA SECTION
   ============================================================ */
.project-cta-section {
  background: var(--color-text-primary);
  padding: var(--section-pad-mobile);
  text-align: center;
}

@media (min-width: 768px) {
  .project-cta-section {
    padding: var(--section-pad-tablet);
  }
}

.project-cta-section .container {
  max-width: 600px;
}

.project-cta-section__title {
  font-family: var(--font-heading);
  font-size: var(--size-h2);
  font-weight: 700;
  color: var(--color-text-on-dark);
  margin-bottom: var(--space-sm);
  line-height: var(--leading-heading);
}

.project-cta-section__sub {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(245, 240, 232, 0.82);
  margin-bottom: var(--space-xl);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.project-cta-section__actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
}

.project-cta-section .btn-primary {
  background: var(--color-accent-gold);
  color: var(--color-text-primary);
  border: 2px solid var(--color-accent-gold);
  font-family: var(--font-accent);
  font-size: var(--size-cta);
  font-weight: 600;
  letter-spacing: var(--tracking-cta);
  text-transform: uppercase;
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease, transform 0.2s ease;
}

.project-cta-section .btn-primary:hover {
  background: transparent;
  color: var(--color-accent-gold);
  transform: scale(1.02);
}

.project-cta-section .btn-ghost {
  background: transparent;
  color: var(--color-text-on-dark);
  border: 2px solid rgba(245, 240, 232, 0.5);
  font-family: var(--font-accent);
  font-size: var(--size-cta);
  font-weight: 600;
  letter-spacing: var(--tracking-cta);
  text-transform: uppercase;
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.project-cta-section .btn-ghost:hover {
  background: var(--color-text-on-dark);
  color: var(--color-text-primary);
  border-color: var(--color-text-on-dark);
}


/* ── PROJECT HERO WITH PHOTO
   When a project has real images, add .project-hero--with-photo
   ============================================================ */
.project-hero--with-photo {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.project-hero--with-photo::after {
  background: linear-gradient(
    to bottom,
    rgba(28, 28, 28, 0.35) 0%,
    rgba(28, 28, 28, 0.65) 100%
  );
}
.project-hero--with-photo .project-hero__breadcrumb a,
.project-hero--with-photo .project-hero__breadcrumb-sep,
.project-hero--with-photo .project-hero__breadcrumb span {
  color: rgba(245, 240, 232, 0.7);
}
.project-hero--with-photo .project-hero__breadcrumb a:hover {
  color: var(--color-accent-gold);
}
.project-hero--with-photo .project-hero__badge {
  background: rgba(245, 240, 232, 0.15);
  border-color: rgba(245, 240, 232, 0.3);
  color: var(--color-text-on-dark);
}
.project-hero--with-photo .project-hero__title {
  color: var(--color-text-on-dark);
}

/* Gallery placeholder with real photo */
.project-gallery-placeholder--photo {
  background-size: cover;
  background-position: center;
}
.project-gallery-placeholder--photo i {
  display: none;
}
.project-gallery-placeholder--photo::after {
  background: none;
}


/* ── GALLERY LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.lightbox__img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  user-select: none;
  -webkit-user-drag: none;
}

.lightbox__close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.8);
  font-size: 2rem;
  cursor: pointer;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
  z-index: 2;
}

.lightbox__close:hover {
  color: #fff;
}

.lightbox__counter {
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-accent);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.6);
}

.lightbox__caption {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  max-width: 600px;
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

.lightbox__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.8);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.25rem;
  transition: background 0.2s ease, color 0.2s ease;
  z-index: 2;
}

.lightbox__arrow:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.lightbox__arrow--prev {
  left: 20px;
}

.lightbox__arrow--next {
  right: 20px;
}

@media (max-width: 767px) {
  .lightbox__arrow {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  .lightbox__arrow--prev { left: 10px; }
  .lightbox__arrow--next { right: 10px; }
  .lightbox__caption { font-size: 0.8125rem; padding: 0 16px; }
}

/* Hide nav and WhatsApp when lightbox is active */
body.lightbox-active .site-nav,
body.lightbox-active .whatsapp-sticky {
  display: none;
}

/* Clickable gallery items */
.project-gallery-placeholder--photo {
  cursor: pointer;
}


/* ── REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .project-gallery-placeholder,
  .project-related-section .project-card,
  .lightbox {
    transition: none !important;
    transform: none !important;
  }
}