/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --gold: #c9a84c;
  --cyan: #1ab3d4;
  --cyan-dark: #0096b4;
  --cyan-bg: #2dc6e0;
  --bg: #0a0a0a;
  --bg-card: #141414;
  --text: #ffffff;
  --text-muted: #cccccc;
  --green-wa: #25D366;
  --radius: 6px;
  --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Open Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
}

/* ===== HEADER ===== */
.site-header {
  background: var(--cyan-bg);
  padding: 20px 20px;
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.logo-link { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }

.logo {
  max-width: 160px;
  height: auto;
  filter: brightness(1.1);
}

.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.tagline {
  font-family: 'Open Sans', sans-serif;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.85);
  font-style: italic;
  max-width: 420px;
  line-height: 1.5;
}

/* ===== FILTERS ===== */
.filters-section {
  background: var(--cyan-bg);
}

.filters-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

.filters-scroll {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 0 20px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  justify-content: center;
}
.filters-scroll::-webkit-scrollbar { display: none; }

.filter-btn {
  flex-shrink: 0;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 4px;
  border: 2px solid #fff;
  background: transparent;
  color: #fff;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.filter-btn:hover,
.filter-btn.active {
  background: #fff;
  color: var(--cyan-dark);
}

/* ===== PROJECTS GRID ===== */
.projects-section {
  background: var(--cyan-bg);
  padding: 0 20px 60px;
}

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  text-align: center;
  padding: 40px 0 28px;
  max-width: 1280px;
  margin: 0 auto;
}

@media (max-width: 560px) {
  .section-title { font-size: 1.4rem; padding: 28px 0 20px; }
}

.projects-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

@media (max-width: 1100px) {
  .projects-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 760px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .projects-grid { grid-template-columns: 1fr; }
}

/* LOADING */
.loading-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 80px 0;
  color: var(--text-muted);
}

.loading-spinner {
  width: 40px; height: 40px;
  border: 3px solid rgba(201, 168, 76, 0.2);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* CARD */
.project-card {
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.4s ease forwards;
  position: relative;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.4);
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.card-image-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #111;
}

.card-image-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover .card-image-wrap img {
  transform: scale(1.05);
}

/* Always-visible gradient overlay with title at bottom */
.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.3) 45%, rgba(0,0,0,0) 70%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 14px 16px;
}

.card-overlay-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  text-transform: uppercase;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
  margin-bottom: 4px;
}

.card-overlay-cats {
  font-family: 'Open Sans', sans-serif;
  font-size: 0.72rem;
  color: rgba(255,255,255,0.8);
}

/* hide separate card-body — info is in overlay */
.card-body { display: none; }

.card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 4px;
  background: rgba(255,255,255,0.2);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.5);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* NO RESULTS */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 0;
  color: var(--text-muted);
  font-family: 'Montserrat', sans-serif;
}

/* ===== FOOTER ===== */
.site-footer {
  background: #005f7a;
  border-top: 3px solid var(--cyan-dark);
  padding: 48px 20px;
  text-align: center;
}

.footer-inner { max-width: 600px; margin: 0 auto; }

.footer-cta-text {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 28px;
  line-height: 1.4;
}

.footer-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.btn-footer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: opacity var(--transition), transform var(--transition);
  letter-spacing: 0.03em;
}

.btn-footer:hover { opacity: 0.88; transform: translateY(-2px); }

.btn-whatsapp { background: var(--green-wa); color: #fff; }
.btn-email { background: var(--gold); color: #000; }

.footer-copy {
  font-size: 0.78rem;
  color: #555;
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 80, 100, 0.7);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 20px;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal-container {
  position: relative;
  background: var(--cyan-bg);
  border-radius: 12px;
  width: 100%;
  max-width: 900px;
  margin: auto;
  border: 2px solid rgba(255,255,255,0.25);
  animation: modalIn 0.3s ease;
}

@keyframes modalIn {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  z-index: 10;
  background: rgba(0,0,0,0.25);
  border: 2px solid rgba(255,255,255,0.5);
  color: #fff;
  width: 40px; height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), border-color var(--transition);
}
.modal-close:hover { background: rgba(0,0,0,0.5); border-color: #fff; }

.modal-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1010;
  background: var(--cyan-dark);
  border: 2px solid rgba(255,255,255,0.4);
  color: #fff;
  width: 48px; height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.modal-nav:hover { background: rgba(0,0,0,0.4); }
.modal-prev { left: 16px; }
.modal-next { right: 16px; }

@media (max-width: 720px) {
  .modal-nav { display: none; }
}

.modal-content { padding: 40px 40px 48px; }

@media (max-width: 560px) {
  .modal-content { padding: 24px 20px 32px; }
}

.modal-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.6rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 16px;
  line-height: 1.2;
  padding-right: 48px;
  text-transform: uppercase;
  text-shadow: 0 1px 6px rgba(0,0,0,0.3);
}

.modal-video {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  margin-bottom: 24px;
  background: #000;
}
.modal-video iframe {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  border: none;
}

.modal-description {
  color: rgba(255,255,255,0.9);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.modal-section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 14px;
  opacity: 0.8;
  display: flex;
  align-items: center;
  gap: 10px;
}
.modal-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,255,255,0.25);
}

.modal-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

@media (max-width: 560px) {
  .modal-gallery { grid-template-columns: repeat(2, 1fr); }
}

.modal-gallery-item {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 6px;
  cursor: pointer;
  background: #0a0a0a;
  border: 1px solid rgba(255,255,255,0.05);
  transition: border-color var(--transition);
}
.modal-gallery-item:hover { border-color: var(--gold); }

.modal-gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.modal-gallery-item:hover img { transform: scale(1.06); }

/* ===== LIGHTBOX ===== */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.96);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.lightbox-overlay.open { opacity: 1; pointer-events: all; }

.lightbox-img {
  max-width: calc(100vw - 120px);
  max-height: calc(100vh - 40px);
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 0 60px rgba(0,0,0,0.8);
}

@media (max-width: 560px) {
  .lightbox-img { max-width: calc(100vw - 20px); }
}

.lightbox-close {
  position: fixed;
  top: 16px; right: 16px;
  background: rgba(0,0,0,0.7);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  width: 48px; height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
  z-index: 2010;
}
.lightbox-close:hover { background: var(--gold); color: #000; }

.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  width: 52px; height: 52px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
  z-index: 2010;
}
.lightbox-nav:hover { background: var(--gold); color: #000; }
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }