/* ============================================================
   GP PLASTICOS C.A. — Sistema de Diseño Corporativo
   Paleta: Amarillo #F5C400 | Negro #0D0D0D | Blanco #FFFFFF
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ─── Custom Properties ─── */
:root {
  --accent: #F5C400;
  --accent-dark: #C49B00;
  --accent-light: #FFD93D;
  --black: #0D0D0D;
  --black-2: #1A1A1A;
  --black-3: #252525;
  --black-4: #333333;
  --white: #FFFFFF;
  --gray-100: #F8F8F8;
  --gray-200: #E5E5E5;
  --gray-400: #9CA3AF;
  --gray-600: #6B7280;
  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.12);
  --shadow: 0 8px 32px rgba(0,0,0,0.18);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.3);
  --shadow-accent: 0 8px 32px rgba(245,196,0,0.25);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { border: none; cursor: pointer; font-family: var(--font-body); }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ─── Typography ─── */
.display-xl { font-family: var(--font-display); font-size: clamp(3.5rem, 8vw, 7rem); letter-spacing: 2px; line-height: 1; }
.display-lg { font-family: var(--font-display); font-size: clamp(2.5rem, 5vw, 4.5rem); letter-spacing: 1px; line-height: 1.1; }
.display-md { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.8rem); letter-spacing: 1px; }
.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  letter-spacing: 1px;
  line-height: 1.1;
}
.section-desc {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.75;
  max-width: 600px;
}

/* ─── Utility ─── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 6rem 0; }
.section--dark { background: var(--black); color: var(--white); }
.section--gray { background: var(--gray-100); }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header .section-label { margin-bottom: 0.75rem; }
.section-header .section-title { margin-bottom: 1rem; }
.section-header .section-desc { margin: 0 auto; }

.accent { color: var(--accent); }
.text-white { color: var(--white); }
.text-gray { color: var(--gray-400); }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.tag--electric { background: rgba(255,120,0,0.15); color: #FF7800; }
.tag--water    { background: rgba(0,150,255,0.15); color: #0096FF; }
.tag--sewage   { background: rgba(100,80,60,0.15); color: #8B6914; }
.tag--pvc      { background: rgba(245,196,0,0.15); color: var(--accent-dark); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.5px;
  transition: var(--transition);
  cursor: pointer;
}
.btn--primary {
  background: var(--accent);
  color: var(--black);
  box-shadow: var(--shadow-accent);
}
.btn--primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(245,196,0,0.4);
}
.btn--outline {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(10px);
}
.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn--dark {
  background: var(--black);
  color: var(--white);
  border: 1.5px solid var(--black-4);
}
.btn--dark:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn--sm { padding: 0.5rem 1.25rem; font-size: 0.8rem; }
.btn--lg { padding: 1.1rem 2.5rem; font-size: 1rem; }

/* ─── NAVBAR ─── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(13,13,13,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.875rem 0;
  border-bottom: 1px solid rgba(245,196,0,0.15);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.nav-logo img { height: 44px; width: auto; }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.5px;
  transition: var(--transition-fast);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}
.nav-link:hover, .nav-link.active {
  color: var(--white);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 1rem; }
.nav-search-btn {
  background: none;
  color: rgba(255,255,255,0.7);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  display: flex; align-items: center;
}
.nav-search-btn:hover { color: var(--accent); }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 0.5rem;
}
.nav-hamburger span {
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
  display: block;
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Menu */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(13,13,13,0.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.nav-mobile.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}
.nav-mobile .nav-link {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 2px;
  color: var(--white);
}
.nav-mobile .nav-link:hover { color: var(--accent); }

/* ─── SEARCH OVERLAY ─── */
.search-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(13,13,13,0.97);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.search-overlay.open { opacity: 1; pointer-events: all; }
.search-inner { width: min(700px, 90vw); }
.search-input-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 1rem;
}
.search-input-wrap svg { color: var(--accent); flex-shrink: 0; }
#search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--white);
  letter-spacing: 2px;
}
#search-input::placeholder { color: var(--gray-600); }
.search-close {
  background: none;
  color: var(--gray-400);
  font-size: 2rem;
  padding: 0.25rem 0.5rem;
  transition: color 0.2s;
}
.search-close:hover { color: var(--white); }
.search-results { margin-top: 2rem; }
.search-result-item {
  padding: 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: var(--transition-fast);
}
.search-result-item:hover { background: var(--black-3); }
.search-hint {
  color: var(--gray-600);
  font-size: 0.85rem;
  margin-top: 1rem;
  text-align: center;
}

/* ─── HERO ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--black);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/hero.png');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13,13,13,0.95) 0%,
    rgba(13,13,13,0.6) 50%,
    rgba(13,13,13,0.8) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 6rem;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245,196,0,0.15);
  border: 1px solid rgba(245,196,0,0.3);
  color: var(--accent);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6.5rem);
  color: var(--white);
  line-height: 1;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
}
.hero-title .accent-line {
  color: var(--accent);
  display: block;
}
.hero-desc {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: 2.5rem;
}
.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}
.hero-stats {
  display: flex;
  gap: 3rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.stat-item .stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent);
  line-height: 1;
}
.stat-item .stat-label {
  font-size: 0.8rem;
  color: var(--gray-400);
  letter-spacing: 1px;
  margin-top: 0.25rem;
}
.hero-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-400);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 1;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ─── MARQUEE STRIP ─── */
.marquee-strip {
  background: var(--accent);
  padding: 0.75rem 0;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  animation: marquee 25s linear infinite;
}
.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 0 2rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 2px;
  color: var(--black);
  text-transform: uppercase;
}
.marquee-dot { width: 6px; height: 6px; background: var(--black); border-radius: 50%; opacity: 0.5; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ─── NOSOTROS ─── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-image-wrap {
  position: relative;
}
.about-image-main {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.about-image-badge {
  position: absolute;
  bottom: -1.5rem;
  right: -1.5rem;
  background: var(--accent);
  color: var(--black);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-accent);
}
.about-image-badge .big-number {
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1;
}
.about-image-badge .big-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.about-content { }
.about-content .section-label { margin-bottom: 0.75rem; }
.about-content .section-title { margin-bottom: 1.25rem; }
.about-content p { color: var(--gray-600); line-height: 1.8; margin-bottom: 1.25rem; }
.mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2.5rem;
}
.mvv-card {
  padding: 1.25rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: var(--transition);
}
.mvv-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
  transform: translateY(-3px);
}
.mvv-card .mvv-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}
.mvv-card h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}
.mvv-card p { font-size: 0.8rem; color: var(--gray-600); margin: 0; }

/* Timeline */
.timeline { position: relative; margin-top: 4rem; }
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  transform: translateX(-50%);
}
.timeline-item {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
}
.timeline-year {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--accent);
  line-height: 1;
}
.timeline-dot {
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 50%;
  border: 3px solid var(--black);
  box-shadow: 0 0 0 4px rgba(245,196,0,0.2);
}
.timeline-text h4 {
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.timeline-text p { font-size: 0.85rem; color: var(--gray-400); }
.timeline-item:nth-child(even) .timeline-year { order: 3; text-align: right; }
.timeline-item:nth-child(even) .timeline-dot { order: 2; }
.timeline-item:nth-child(even) .timeline-text { order: 1; text-align: right; }

/* ─── PRODUCTOS ─── */
.catalog-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  background: transparent;
  border: 1.5px solid var(--gray-200);
  color: var(--gray-600);
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--black);
  box-shadow: var(--shadow-accent);
}
.catalog-search-bar {
  max-width: 480px;
  margin: 0 auto 3rem;
  position: relative;
}
.catalog-search-bar svg {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
}
#catalog-search {
  width: 100%;
  padding: 0.875rem 1rem 0.875rem 3rem;
  border: 1.5px solid var(--gray-200);
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}
#catalog-search:focus {
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.product-card.hidden { display: none; }
.product-img-wrap {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--black);
}
.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
  opacity: 0.85;
}
.product-card:hover .product-img-wrap img { transform: scale(1.05); opacity: 1; }
.product-category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
}
.product-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.product-body h3 {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}
.product-body p {
  font-size: 0.85rem;
  color: var(--gray-600);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 1rem;
}
.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.spec-pill {
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--gray-100);
  color: var(--gray-600);
  padding: 0.2rem 0.75rem;
  border-radius: 100px;
}
.product-actions {
  display: flex;
  gap: 0.5rem;
}
.product-actions .btn { flex: 1; justify-content: center; }
.no-results {
  grid-column: 1/-1;
  text-align: center;
  padding: 4rem;
  color: var(--gray-400);
}
.no-results svg { font-size: 3rem; margin-bottom: 1rem; opacity: 0.3; }

/* ─── SERVICIOS ─── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.service-card {
  padding: 2.5rem 2rem;
  border-radius: var(--radius-xl);
  background: var(--black-2);
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(245,196,0,0.2);
  background: var(--black-3);
}
.service-icon {
  width: 56px; height: 56px;
  background: rgba(245,196,0,0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}
.service-card:hover .service-icon {
  background: var(--accent);
  box-shadow: var(--shadow-accent);
}
.service-card h3 {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 0.75rem;
}
.service-card p {
  font-size: 0.875rem;
  color: var(--gray-400);
  line-height: 1.7;
}

/* ─── PROYECTOS ─── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto;
  gap: 1.5rem;
}
.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}
.project-card:first-child {
  grid-column: span 2;
  aspect-ratio: 16/9;
}
.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.project-card:hover img { transform: scale(1.08); }
.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,13,13,0.95) 0%, rgba(13,13,13,0.1) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  transform: translateY(30px);
  transition: var(--transition);
  opacity: 0.6;
}
.project-card:hover .project-overlay {
  transform: translateY(0);
  opacity: 1;
}
.project-sector {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.project-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  letter-spacing: 1px;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.project-desc {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.5;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 2rem;
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: rgba(255,255,255,0.1);
  color: var(--white);
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: var(--transition-fast);
}
.lightbox-close:hover { background: var(--accent); color: var(--black); }
.lightbox-info {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}
.lightbox-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--white);
  letter-spacing: 1px;
}
.lightbox-sector {
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ─── TESTIMONIOS ─── */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.testimonial-card {
  padding: 2rem;
  background: var(--black-2);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245,196,0,0.2);
}
.testimonial-stars {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  color: var(--accent);
  font-size: 1rem;
}
.testimonial-text {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 1.5rem;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--black);
  flex-shrink: 0;
}
.testimonial-info h5 { font-weight: 700; font-size: 0.9rem; color: var(--white); }
.testimonial-info p { font-size: 0.75rem; color: var(--gray-400); }

/* ─── BLOG ─── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.blog-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
}
.blog-img {
  aspect-ratio: 16/9;
  object-fit: cover;
  width: 100%;
  transition: transform 0.4s ease;
}
.blog-card:hover .blog-img { transform: scale(1.05); }
.blog-img-wrap { overflow: hidden; }
.blog-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.blog-category {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 0.5rem;
}
.blog-body h3 {
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
  margin-bottom: 0.75rem;
  flex: 1;
}
.blog-body p {
  font-size: 0.85rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.blog-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--gray-400);
}
.blog-read-more {
  color: var(--accent-dark);
  font-weight: 600;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: gap 0.2s;
}
.blog-read-more:hover { gap: 0.5rem; }

/* ─── CERTIFICACIONES ─── */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 4rem;
}
.cert-card {
  text-align: center;
  padding: 2rem 1.5rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.cert-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
  transform: translateY(-3px);
}
.cert-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.cert-card h4 { font-weight: 700; margin-bottom: 0.5rem; }
.cert-card p { font-size: 0.8rem; color: var(--gray-600); }
.cert-badge {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.25rem 0.75rem;
  background: rgba(245,196,0,0.1);
  border: 1px solid rgba(245,196,0,0.3);
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-dark);
  letter-spacing: 1px;
}
.norms-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.norms-table th {
  background: var(--black);
  color: var(--white);
  padding: 1rem 1.5rem;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.norms-table th:first-child { color: var(--accent); }
.norms-table td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.875rem;
}
.norms-table tr:last-child td { border-bottom: none; }
.norms-table tr:hover td { background: var(--gray-100); }

/* ─── CONTACTO ─── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}
.contact-info { }
.contact-info h3 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  letter-spacing: 1px;
  margin-bottom: 1rem;
  color: var(--white);
}
.contact-info p {
  color: var(--gray-400);
  margin-bottom: 2rem;
  line-height: 1.7;
}
.contact-items { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.contact-item-icon {
  width: 44px; height: 44px;
  background: rgba(245,196,0,0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item-text h5 { font-weight: 700; font-size: 0.85rem; color: var(--white); margin-bottom: 0.25rem; }
.contact-item-text p { font-size: 0.875rem; color: var(--gray-400); margin: 0; }
.contact-socials { display: flex; gap: 0.75rem; margin-top: 2rem; }
.social-btn {
  width: 40px; height: 40px;
  border-radius: var(--radius);
  background: var(--black-3);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--gray-400);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition-fast);
}
.social-btn:hover { background: var(--accent); color: var(--black); border-color: var(--accent); }

.contact-form-wrap {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  backdrop-filter: blur(20px);
}
.form-group { margin-bottom: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--gray-400);
  margin-bottom: 0.5rem;
}
.form-control {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 0.875rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--white);
  outline: none;
  transition: var(--transition);
}
.form-control::placeholder { color: var(--gray-600); }
.form-control:focus {
  border-color: var(--accent);
  background: rgba(245,196,0,0.05);
  box-shadow: 0 0 0 3px rgba(245,196,0,0.1);
}
.form-control.error { border-color: #ef4444; }
select.form-control option { background: var(--black-3); color: var(--white); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-submit { width: 100%; justify-content: center; margin-top: 1rem; }
.form-success {
  display: none;
  text-align: center;
  padding: 2rem;
  color: var(--accent);
}
.form-success.show { display: block; }
.form-success svg { font-size: 3rem; margin-bottom: 1rem; }

.map-wrap {
  margin-top: 4rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 350px;
  border: 1px solid rgba(255,255,255,0.1);
}
.map-wrap iframe { width: 100%; height: 100%; border: none; filter: grayscale(100%) invert(90%) contrast(95%); }

/* ─── FOOTER ─── */
footer {
  background: #080808;
  padding: 4rem 0 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand img { height: 48px; margin-bottom: 1rem; }
.footer-brand p { font-size: 0.85rem; color: var(--gray-600); line-height: 1.7; max-width: 280px; }
.footer-col h4 {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 1.25rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--gray-600);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-bottom p { font-size: 0.8rem; color: var(--gray-600); }
.footer-bottom-links { display: flex; gap: 1.5rem; }
.footer-bottom-links a { font-size: 0.8rem; color: var(--gray-600); transition: color 0.2s; }
.footer-bottom-links a:hover { color: var(--accent); }

/* ─── WhatsApp FLOTANTE ─── */
.whatsapp-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37,211,102,0.4);
  font-size: 1.5rem;
  transition: var(--transition);
  animation: pulseWA 2.5s infinite;
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 32px rgba(37,211,102,0.6);
}
@keyframes pulseWA {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.5); }
  70% { box-shadow: 0 0 0 12px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ─── SCROLL ANIMATIONS ─── */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-left.visible { opacity: 1; transform: translateX(0); }
.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-right.visible { opacity: 1; transform: translateX(0); }

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1100px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .project-card:first-child { grid-column: span 2; }
}

@media (max-width: 900px) {
  .nav-menu { display: none; }
  .nav-hamburger { display: flex; }
  .about-grid { grid-template-columns: 1fr; }
  .about-image-wrap { max-width: 480px; margin: 0 auto; }
  .mvv-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .blog-grid { grid-template-columns: 1fr 1fr; }
  .timeline::before { left: 1rem; }
  .timeline-item { grid-template-columns: 3rem 1fr; }
  .timeline-item:nth-child(even) .timeline-year { order: 1; text-align: left; }
  .timeline-item:nth-child(even) .timeline-dot { order: 2; }
  .timeline-item:nth-child(even) .timeline-text { order: 3; text-align: left; }
}

@media (max-width: 640px) {
  .section { padding: 4rem 0; }
  .container { padding: 0 1.25rem; }
  .hero-stats { flex-direction: column; gap: 1.5rem; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card:first-child { grid-column: span 1; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .catalog-filters { gap: 0.5rem; }
  .filter-btn { padding: 0.5rem 0.875rem; font-size: 0.75rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}