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

:root {
  --primary: #B8860B;
  --primary-dark: #8B6508;
  --dark: #1a1a2e;
  --dark2: #2d2d44;
  --text: #333;
  --text-light: #666;
  --bg-light: #f8f6f1;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.10);
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
  padding: 20px 0;
}

.navbar.scrolled {
  background: var(--dark);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
  padding: 12px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.logo-main {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.logo-sub {
  font-family: 'Montserrat', sans-serif;
  font-weight: 500;
  font-size: 0.7rem;
  color: var(--white);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover { color: var(--primary); }

.btn-whatsapp.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: white;
  padding: 10px 20px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn-whatsapp.nav-cta:hover { background: #1ebe5a; transform: scale(1.04); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: var(--transition);
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 60%, #3d2b00 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?w=1600&q=80') center/cover no-repeat;
  opacity: 0.15;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(26,26,46,0.7) 0%, rgba(26,26,46,0.5) 60%, rgba(26,26,46,0.9) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 100px;
  padding-bottom: 60px;
}

.hero-tag {
  display: inline-block;
  background: var(--primary);
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  color: white;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-content h1 span { color: var(--primary); }

.hero-desc {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 14px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: background var(--transition), transform var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn-primary.full-width { width: 100%; text-align: center; font-size: 1rem; padding: 16px; }

.btn-outline {
  display: inline-block;
  border: 2px solid rgba(255,255,255,0.6);
  color: white;
  padding: 14px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: border-color var(--transition), background var(--transition);
}

.btn-outline:hover { border-color: white; background: rgba(255,255,255,0.1); }

.hero-stats {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  gap: 0;
  background: rgba(255,255,255,0.07);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: auto;
}

.stat {
  flex: 1;
  text-align: center;
  padding: 28px 16px;
  border-right: 1px solid rgba(255,255,255,0.1);
}

.stat:last-child { border-right: none; }

.stat strong {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
}

.stat span {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* SECTIONS */
.section { padding: 96px 0; }
.bg-light { background: var(--bg-light); }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-tag {
  display: inline-block;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header h2, .nosotros-text h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--text-light);
  font-size: 1.05rem;
  max-width: 580px;
  margin: 0 auto;
}

/* NOSOTROS */
.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.nosotros-img {
  position: relative;
}

.img-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 100%);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
  font-size: 1rem;
}

.badge-años {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--primary);
  color: white;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}

.badge-años strong {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.badge-años span { font-size: 0.75rem; font-weight: 600; }

.nosotros-text p {
  color: var(--text-light);
  margin-bottom: 16px;
}

.check-list {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 500;
}

.check-list li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* SERVICIOS */
.servicios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.servicio-card {
  background: white;
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border-bottom: 3px solid transparent;
}

.servicio-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.13);
  border-bottom-color: var(--primary);
}

.servicio-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.servicio-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}

.servicio-card p {
  color: var(--text-light);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* PORTAFOLIO */
.portafolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.porto-card {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.porto-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

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

.porto-card:hover img { transform: scale(1.07); }

.porto-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,46,0.85) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--transition);
}

.porto-card:hover .porto-overlay { opacity: 1; }

.porto-overlay span {
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.3;
}

/* LIGHTBOX */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.92);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
}

.lightbox.active { display: flex; }

.lightbox img {
  max-width: 90vw;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
}

.lb-caption {
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  text-align: center;
}

.lb-close {
  position: fixed;
  top: 20px; right: 24px;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.lb-close:hover { opacity: 1; }

.lb-prev, .lb-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.1);
  border: none;
  color: white;
  font-size: 3rem;
  cursor: pointer;
  padding: 8px 16px;
  border-radius: 8px;
  transition: background var(--transition);
  line-height: 1;
}

.lb-prev { left: 16px; }
.lb-next { right: 16px; }
.lb-prev:hover, .lb-next:hover { background: rgba(255,255,255,0.25); }

.porto-cta { text-align: center; }
.porto-cta p { color: var(--text-light); margin-bottom: 20px; }

.social-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.btn-social {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform var(--transition), opacity var(--transition);
  color: white;
}

.btn-social:hover { transform: translateY(-2px); opacity: 0.9; }
.btn-social.instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.btn-social.facebook { background: #1877F2; }

/* CTA BANNER */
.cta-banner {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 100%);
  padding: 72px 0;
  text-align: center;
}

.cta-banner h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: white;
  margin-bottom: 12px;
}

.cta-banner p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  font-size: 1.05rem;
}

/* CONTACTO */
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.contacto-info h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 12px;
}

.contacto-info > p {
  color: var(--text-light);
  margin-bottom: 32px;
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon { font-size: 1.3rem; flex-shrink: 0; margin-top: 2px; }

.contact-list strong { display: block; color: var(--dark); font-size: 0.85rem; margin-bottom: 2px; }
.contact-list a { color: var(--primary); text-decoration: none; font-weight: 500; }
.contact-list a:hover { text-decoration: underline; }

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--dark);
  color: white;
  border-radius: 50%;
  transition: background var(--transition), transform var(--transition);
}

.social-links a:hover { background: var(--primary); transform: scale(1.1); }

/* FORM */
.contacto-form {
  background: white;
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.contacto-form h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #e0e0e0;
  border-radius: 8px;
  font-family: 'Open Sans', sans-serif;
  font-size: 0.9rem;
  color: var(--text);
  transition: border-color var(--transition);
  background: #fafafa;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: white;
}

.form-group textarea { resize: vertical; }

/* FOOTER */
.footer {
  background: var(--dark);
  padding: 48px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  margin-top: 8px;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--primary); }

.footer-contact p {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.footer-contact a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-contact a:hover { color: var(--primary); }

/* WHATSAPP FLOTANTE */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  background: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.55);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .servicios-grid { grid-template-columns: repeat(2, 1fr); }
  .nosotros-grid { gap: 40px; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--dark);
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 999;
  }

  .nav-links.open a { font-size: 1.4rem; }

  .nosotros-grid { grid-template-columns: 1fr; }
  .badge-años { right: 0; }
  .portafolio-grid { grid-template-columns: repeat(2, 1fr); }
  .contacto-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-stats { flex-wrap: wrap; }
  .stat { flex: 1 1 50%; }
}

@media (max-width: 480px) {
  .section { padding: 64px 0; }
  .servicios-grid { grid-template-columns: 1fr; }
  .portafolio-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; }
  .contacto-form { padding: 24px; }
}