:root {
  --bg: #f5f4f1;
  --card-bg: #eceae5;
  --text: #111110;
  --muted: rgba(17,17,16,0.46);
  --accent: #2c3e50;
  --accent-gold: #c39b53;
  --border: rgba(17,17,16,0.1);
  --font: 'Montserrat', sans-serif;
  --nav-h: 70px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body { 
  background: var(--bg); 
  color: var(--text); 
  font-family: var(--font); 
  font-size: 14px; 
  line-height: 1.6; 
  overflow-x: hidden; 
  -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-thumb { background: rgba(17,17,16,0.25); border-radius: 0; }

nav {
  position: fixed; top: 0; left: 0; right: 0; height: var(--nav-h); min-height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 36px; z-index: 100;
  background: rgba(245,244,241,0.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  cursor: pointer;
}

.nav-logo svg {
  height: 38px; 
  width: auto;
}

.nav-filters { 
  display: flex; 
  gap: 6px; 
  position: absolute; 
  left: 50%; 
  transform: translateX(-50%); 
}

.filter-btn {
  background: none; border: none; cursor: pointer;
  font-family: var(--font); font-size: 10px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); padding: 7px 14px; 
  border-radius: 0;
  transition: all 0.22s ease; white-space: nowrap;
  position: relative;
}
.filter-btn:hover { color: var(--text); }
.filter-btn.active { 
  color: var(--text); 
  font-weight: 700; 
  background: rgba(17,17,16,0.04);
}
.filter-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 14px; right: 14px;
  height: 1.5px;
  background: var(--text);
}

.nav-right { 
  font-family: var(--font); font-size: 10.5px; font-weight: 600; 
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); 
  cursor: pointer; transition: all 0.2s; white-space: nowrap;
  padding: 8px 12px;
}
.nav-right:hover { color: var(--text); }

.nav-right-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-action-link {
  font-family: var(--font);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 8px 12px;
  background: none;
  border: none;
  outline: none;
  display: inline-flex;
  align-items: center;
}
.nav-action-link:hover { color: var(--text); }

footer {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 36px 90px 36px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-text {
  font-family: var(--font); font-size: 9.5px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted);
}

.footer-links { display: flex; gap: 24px; align-items: center; }
.footer-links a, .footer-links button {
  color: var(--text); text-decoration: none;
  transition: opacity 0.2s ease;
  letter-spacing: 0.12em;
  background: none; border: none; padding: 0;
  font-family: var(--font); font-size: 9.5px; font-weight: 600;
  text-transform: uppercase; cursor: pointer;
}
.footer-links a:hover, .footer-links button:hover { opacity: 0.55; }

.whatsapp-float {
  position: fixed; 
  bottom: 28px; 
  right: 36px;
  background-color: #1e262c; color: #fff;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 0;
  padding: 12px 20px;
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font); font-size: 11px; font-weight: 600; letter-spacing: 0.12em;
  text-decoration: none; text-transform: uppercase;
  box-shadow: 0 10px 25px rgba(0,0,0,0.18);
  z-index: 999; 
  transition: all 0.3s ease;
}
.whatsapp-float:hover {
  background-color: #25d366;
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.35);
}
.whatsapp-float svg { width: 17px; height: 17px; fill: currentColor; }

#backdrop {
  position: fixed; inset: 0; background: rgba(14,14,14,0.45);
  backdrop-filter: blur(4px);
  z-index: 150; opacity: 0; pointer-events: none; transition: opacity 0.36s cubic-bezier(0.16, 1, 0.3, 1);
}
#backdrop.visible { opacity: 1; pointer-events: all; }

#info-panel {
  position: fixed; top: 0; right: -560px; width: 490px; max-width: 100%; height: 100vh;
  background: #f7f6f3; 
  border-left: 1px solid var(--border); 
  z-index: 200; 
  transition: right 0.45s cubic-bezier(0.16, 1, 0.3, 1); 
  overflow-y: auto;
  box-shadow: -10px 0 35px rgba(0,0,0,0.08);
}
#info-panel.open { right: 0; }

.info-inner { padding: 60px 40px 100px; position: relative; min-height: 100vh; }

.info-close {
  position: absolute; top: 22px; right: 24px; background: none; border: none;
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  font-size: 18px; cursor: pointer; color: var(--muted); transition: all 0.2s;
}
.info-close:hover { color: var(--text); transform: rotate(90deg); }

.brand-tag {
  display: inline-block;
  font-size: 9px; font-weight: 700; letter-spacing: 0.25em;
  text-transform: uppercase; color: var(--accent-gold);
  margin-bottom: 8px;
}

.info-title { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; color: var(--text); margin-bottom: 4px; }
.info-subtitle { font-size: 10.5px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-bottom: 24px; }

.info-text { font-size: 13.5px; font-weight: 300; line-height: 1.8; color: rgba(17,17,16,0.68); margin-bottom: 34px;}
.info-text p + p { margin-top: 14px; }

.info-section-title { 
  font-size: 9.5px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text);
  display: flex; align-items: center; gap: 10px; margin-bottom: 20px; 
}
.info-section-title::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

.info-services-list { list-style: none; padding: 0; margin: 0 0 36px 0; }
.info-services-list li {
  position: relative; padding-left: 18px; font-size: 13px; font-weight: 400;
  color: rgba(17,17,16,0.8); margin-bottom: 11px; line-height: 1.6;
}
.info-services-list li::before {
  content: ''; position: absolute; left: 0; top: 9px;
  width: 5px; height: 1.5px; background-color: var(--accent-gold);
}

.architectural-form-container { margin-bottom: 38px; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { position: relative; display: flex; flex-direction: column; }

.form-field label {
  font-size: 9px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 6px; transition: color 0.2s ease;
}

.form-field input, .form-field select, .form-field textarea {
  width: 100%; background: transparent; border: none;
  border-bottom: 1px solid rgba(17,17,16,0.18);
  border-radius: 0; padding: 9px 0;
  font-family: var(--font); font-size: 13px; color: var(--text);
  outline: none; transition: border-color 0.25s ease;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-bottom-color: var(--text); }
.form-field:focus-within label { color: var(--text); }
.form-field input::placeholder, .form-field textarea::placeholder { color: rgba(17,17,16,0.32); font-weight: 300; }

.form-field select {
  cursor: pointer; appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23111110' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat; background-position: right 2px center; background-size: 12px; padding-right: 22px;
}

.form-field textarea { resize: vertical; min-height: 72px; line-height: 1.6; }

.btn-submit {
  width: 100%; background: #111110; color: #ffffff; border: 1px solid #111110; border-radius: 0;
  padding: 13px 20px; font-family: var(--font); font-size: 10.5px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 12px;
  transition: all 0.25s ease; margin-top: 6px;
}
.btn-submit svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; transition: transform 0.25s ease; }
.btn-submit:hover { background: var(--accent); border-color: var(--accent); }
.btn-submit:hover svg { transform: translateX(4px); }

.form-feedback {
  display: none; margin-top: 14px; padding: 12px; background: rgba(46, 125, 50, 0.08);
  border-left: 2px solid #2e7d32; color: #1b5e20; font-size: 12px; font-weight: 500; line-height: 1.5;
}
.form-feedback.show { display: block; animation: fadeIn 0.3s ease forwards; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.info-links-panel { display: flex; flex-direction: column; margin-bottom: 24px; }
.info-link { display: flex; align-items: center; justify-content: space-between; padding: 13px 0; border-bottom: 1px solid var(--border); text-decoration: none; }
.info-link-platform { font-size: 10px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); width: 80px; }
.info-link-handle { font-size: 13px; font-weight: 500; color: var(--text); flex: 1; text-align: right; }

.social-icons-wrapper { display: flex; gap: 10px; margin-bottom: 30px; }
.social-icon {
  width: 38px; height: 38px; border-radius: 0; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; color: var(--text);
  transition: all 0.25s ease; text-decoration: none; background: transparent;
}
.social-icon:hover { background: var(--text); color: #ffffff; border-color: var(--text); }
.social-icon svg { width: 15px; height: 15px; fill: currentColor; }

.info-map { 
  width: 100%; height: 190px; border-radius: 0; overflow: hidden; margin-top: 10px; border: 1px solid var(--border); 
  filter: grayscale(40%) contrast(95%); transition: filter 0.3s;
}
.info-map:hover { filter: grayscale(0%) contrast(100%); }

#collage-view { 
  padding-top: calc(var(--nav-h) + 24px); 
  min-height: calc(100vh - 120px); 
  padding-bottom: 24px; 
  transition: padding-top 0.3s ease;
}

.collage {
  display: grid; 
  grid-template-columns: repeat(4, 1fr); 
  grid-auto-rows: 290px; 
  grid-auto-flow: dense; 
  gap: 16px; 
  padding: 0 36px;
}

.project-card {
  position: relative; 
  overflow: hidden; 
  border-radius: 0 !important; 
  cursor: pointer; 
  background-color: #17181a; 
  text-decoration: none; 
  display: block; 
  color: inherit; 
  transition: opacity 0.35s ease, transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.45s ease;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.project-card:hover {
  box-shadow: 0 16px 36px rgba(0,0,0,0.16);
  transform: translateY(-2px);
}
.project-card.wide { grid-column: span 2; }
.project-card.fade-out { opacity: 0; transform: scale(0.98); pointer-events: none; }

.project-card img {
  width: 100%; height: 100%; object-fit: cover;
  border-radius: 0; display: block;
  filter: brightness(0.94) contrast(1.02);
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
}
.project-card:hover img { 
  transform: scale(1.05);
  filter: brightness(1) contrast(1.04);
}

.card-index {
  position: absolute; top: 14px; left: 16px;
  font-size: 9px; font-weight: 700; letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(17, 17, 16, 0.35);
  backdrop-filter: blur(8px);
  padding: 3px 8px; z-index: 3; transition: all 0.3s ease;
}
.project-card:hover .card-index {
  color: #ffffff; background: rgba(17, 17, 16, 0.65);
}

.card-action-arrow {
  position: absolute; top: 14px; right: 16px;
  width: 28px; height: 28px;
  background: rgba(17, 17, 16, 0.35);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  color: #ffffff; z-index: 3;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
}
.card-action-arrow svg {
  width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 2; transition: transform 0.35s ease;
}
.project-card:hover .card-action-arrow {
  background: #111110; transform: translate(2px, -2px);
}

.card-inner-frame {
  position: absolute; inset: 0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
  pointer-events: none; z-index: 4; transition: box-shadow 0.3s ease;
}
.project-card:hover .card-inner-frame {
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.14);
}

.card-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 60px 18px 18px;
  background: linear-gradient(to top, rgba(10,10,10,0.88) 0%, rgba(10,10,10,0.4) 60%, transparent 100%);
  display: flex; flex-direction: column; justify-content: flex-end; z-index: 2;
  transition: background 0.35s ease;
}
.project-card:hover .card-overlay {
  background: linear-gradient(to top, rgba(10,10,10,0.94) 0%, rgba(10,10,10,0.5) 65%, transparent 100%);
}

.card-meta-wrap {
  transform: translateY(4px);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.project-card:hover .card-meta-wrap { transform: translateY(0); }

.card-cat { 
  font-size: 8.5px; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent-gold); margin-bottom: 4px; display: block;
}

.card-title { 
  font-size: 13.5px; font-weight: 600; letter-spacing: -0.01em; line-height: 1.35; color: #ffffff; 
}

.detail-container {
  margin-top: var(--nav-h);
  display: grid; grid-template-columns: 46% 54%;
  min-height: calc(100vh - var(--nav-h));
  align-items: stretch;
}

.hero-sticky-panel {
  position: sticky; top: var(--nav-h);
  height: calc(100vh - var(--nav-h));
  background-color: #121314; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
  border-right: 1px solid var(--border); align-self: start;
}

.hero-bg-img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.82) contrast(1.05);
  transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-sticky-panel:hover .hero-bg-img { transform: scale(1.03); }

.hero-gradient-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 10, 0.94) 0%, rgba(10, 10, 10, 0.58) 45%, rgba(10, 10, 10, 0.2) 80%, rgba(10, 10, 10, 0.35) 100%);
  z-index: 2;
}

.hero-content {
  position: relative; z-index: 3;
  padding: 44px 38px; color: #ffffff;
  max-height: 100%; overflow-y: auto;
}
.hero-content::-webkit-scrollbar { width: 3px; }

.hero-category-tag {
  display: inline-block; font-size: 8.5px; font-weight: 700; letter-spacing: 0.22em;
  text-transform: uppercase; color: #e3d3b6; margin-bottom: 10px;
}

.hero-title {
  font-size: 32px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.18;
  margin-bottom: 12px; color: #ffffff;
}

.hero-subtitle {
  font-size: 13px; font-weight: 300; color: rgba(255,255,255,0.78);
  line-height: 1.65; margin-bottom: 26px; max-width: 92%;
}

.specs-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.18); padding-top: 20px;
}

.spec-item { display: flex; flex-direction: column; gap: 4px; }
.spec-label {
  font-size: 8.5px; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
}
.spec-value {
  font-size: 12px; font-weight: 500; color: #f7f6f3; letter-spacing: 0.02em; line-height: 1.35;
}

.detail-right-column {
  display: flex; flex-direction: column;
  min-height: calc(100vh - var(--nav-h));
  background: var(--bg);
}

.detail-body-panel { padding: 20px 44px 30px; flex: 1; }

.editorial-badge {
  font-size: 9px; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent-gold); margin-bottom: 8px; display: block;
}

.editorial-heading {
  font-size: 24px; font-weight: 700; line-height: 1.3; letter-spacing: -0.02em;
  margin-bottom: 18px; color: var(--text);
}

.editorial-lead {
  font-size: 14.5px; font-weight: 500; line-height: 1.8;
  color: rgba(17,17,16,0.88); margin-bottom: 18px;
}

.editorial-body-p {
  font-size: 12.5px; font-weight: 400; line-height: 1.8;
  color: rgba(17,17,16,0.88); margin-bottom: 14px;
}

.section-separator {
  display: flex; align-items: center; gap: 16px; margin: 40px 0 20px;
}
.section-title-sm {
  font-size: 9.5px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text); white-space: nowrap;
}
.section-line { flex: 1; height: 1px; background: var(--border); }

.project-gallery-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-bottom: 38px;
}

.gallery-tile {
  position: relative; background-color: var(--card-bg); height: 250px;
  overflow: hidden; cursor: pointer; border-radius: 0;
  border: 1px solid rgba(17,17,16,0.06);
}
.gallery-tile.tile-full { grid-column: span 2; height: 350px; }

.gallery-tile img {
  width: 100%; height: 100%; object-fit: cover; display: block; border-radius: 0;
  transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}
.gallery-tile:hover img { transform: scale(1.04); }

.tile-hover-cue {
  position: absolute; inset: 0; background: rgba(17,17,16,0.2);
  opacity: 0; transition: opacity 0.25s ease;
  display: flex; align-items: center; justify-content: center;
}
.gallery-tile:hover .tile-hover-cue { opacity: 1; }

.tile-expand-icon {
  width: 38px; height: 38px; background: rgba(17,17,16,0.78); backdrop-filter: blur(8px);
  color: #ffffff; display: flex; align-items: center; justify-content: center;
  transform: scale(0.9); transition: transform 0.25s ease;
}
.gallery-tile:hover .tile-expand-icon { transform: scale(1); }
.tile-expand-icon svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; }

.project-cta-banner {
  background: #111110; color: #ffffff; padding: 34px 32px; border-radius: 0;
  display: flex; flex-direction: column; gap: 12px; margin-top: 10px; margin-bottom: 24px;
}
.cta-banner-tag {
  font-size: 8.5px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent-gold);
}
.cta-banner-title {
  font-size: 18px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.35;
}
.cta-banner-desc {
  font-size: 12.5px; font-weight: 300; line-height: 1.7; color: rgba(255,255,255,0.72); max-width: 560px;
}
.cta-action-row { display: flex; gap: 12px; margin-top: 4px; flex-wrap: wrap; }

.btn-architectural {
  padding: 12px 22px; font-size: 10px; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; text-decoration: none; display: inline-flex; align-items: center;
  gap: 10px; cursor: pointer; border-radius: 0; transition: all 0.25s ease;
}
.btn-architectural-white { background: #ffffff; color: #111110; border: 1px solid #ffffff; }
.btn-architectural-white:hover { background: transparent; color: #ffffff; }
.btn-architectural-outline { background: transparent; color: #ffffff; border: 1px solid rgba(255,255,255,0.3); }
.btn-architectural-outline:hover { border-color: #ffffff; background: rgba(255,255,255,0.06); }

.column-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 44px 100px 44px; border-top: 1px solid var(--border);
  background: var(--bg); margin-top: auto;
}

#lightbox {
  position: fixed; inset: 0; background: rgba(6, 6, 6, 0.98); backdrop-filter: blur(20px);
  z-index: 1000; display: none; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1); user-select: none;
}
#lightbox.active { display: flex; opacity: 1; }

.lightbox-close-btn {
  position: absolute; top: 24px; right: 28px; background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18); border-radius: 0;
  width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  color: #ffffff; font-size: 16px; cursor: pointer; z-index: 1020; transition: all 0.2s ease;
}
.lightbox-close-btn:hover { background: #ffffff; color: #111110; transform: rotate(90deg); }

.lightbox-nav-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 58px; height: 58px; background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18); border-radius: 0;
  color: #ffffff; display: flex; align-items: center; justify-content: center;
  cursor: pointer; z-index: 1020; transition: all 0.2s ease; backdrop-filter: blur(10px);
}
.lightbox-nav-btn:hover { background: #ffffff; color: #111110; border-color: #ffffff; }
.lightbox-prev-btn { left: 24px; }
.lightbox-next-btn { right: 24px; }
.lightbox-nav-btn svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2.2; }

.lightbox-stage {
  position: relative; width: 100vw; height: 100vh;
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.lightbox-img {
  max-width: 96vw; max-height: 94vh; width: auto; height: auto; object-fit: contain;
  border-radius: 0; box-shadow: 0 30px 80px rgba(0,0,0,0.85);
  border: 1px solid rgba(255,255,255,0.08); transition: transform 0.25s ease, opacity 0.2s ease;
}

@media (max-width: 1080px) {
  .collage { grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 0 24px; }
  nav { padding: 0 24px; }
  footer { padding: 24px 24px 90px 24px; }
  .whatsapp-float { right: 24px; }

  .detail-container { grid-template-columns: 1fr; }
  .hero-sticky-panel {
    position: relative; top: 0; height: 60vh; min-height: 440px;
    border-right: none; border-bottom: 1px solid var(--border);
  }
  .hero-content { padding: 32px 24px; }
  .hero-title { font-size: 26px; }
  .detail-body-panel { padding: 40px 24px 30px; }
  .column-footer {
    padding: 24px 24px 100px 24px; flex-direction: column; gap: 14px; text-align: center;
  }
}

@media (max-width: 900px) {
  nav { height: auto; flex-wrap: wrap; padding: 12px 20px; align-items: center; }
  .nav-logo { margin-bottom: 6px; }
  .nav-right { padding: 4px 0; }
  .nav-filters {
    position: static; transform: none; order: 3; width: 100%;
    justify-content: flex-start; border-top: 1px solid var(--border);
    padding-top: 10px; margin-top: 6px; flex-wrap: wrap; gap: 4px;
  }
  .filter-btn { font-size: 9.5px; padding: 5px 10px; }
  #collage-view { padding-top: 130px; }
  .collage { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .project-card.wide { grid-column: span 2; }
}

@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-right-actions { gap: 4px; }
  .nav-action-link { padding: 6px 8px; font-size: 9.5px; }
  .specs-grid { grid-template-columns: 1fr; gap: 10px; }
  .project-gallery-grid { grid-template-columns: 1fr; }
  .gallery-tile, .gallery-tile.tile-full { height: 240px; grid-column: span 1; }
  .lightbox-nav-btn { width: 44px; height: 44px; }
  .lightbox-prev-btn { left: 12px; }
  .lightbox-next-btn { right: 12px; }
  .lightbox-close-btn { top: 16px; right: 16px; width: 40px; height: 40px; }
}

@media (max-width: 600px) {
  .collage { grid-template-columns: 1fr; padding: 0 16px; gap: 14px; grid-auto-rows: 240px; }
  .project-card.wide { grid-column: span 1; }
  .card-overlay { padding: 40px 16px 14px; }
  .card-meta-wrap { transform: none; }
  .form-row { grid-template-columns: 1fr; gap: 16px; }
  footer { flex-direction: column; gap: 16px; padding: 24px 16px 90px 16px; text-align: center; }
  #info-panel { right: -100%; width: 100%; } 
  .info-inner { padding: 50px 22px 100px; }
  .whatsapp-float { bottom: 20px; right: 16px; padding: 11px 18px; font-size: 10px; }
}

img {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

#lightboxImg {
    pointer-events: none; 
}