:root {
  --primary-dark: #1f1a17;
  --secondary-dark: #2c2522;
  --accent-gold: #c59b27;
  --accent-gold-hover: #aa821c;
  --text-main: #333333;
  --text-muted: #666666;
  --bg-light: #f7f6f4;
  --bg-white: #ffffff;
  --border-color: #e5e0d8;
  --whatsapp-color: #25d366;
  --whatsapp-hover: #1ebc59;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-light);
  color: var(--text-main);
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1180px;
  margin: 0 auto;
}

.section-padding {
  padding: 50px 0;
}

.text-center {
  text-align: center;
}

.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2.5rem; }

/* Navegación Adaptable */
.navbar {
  background-color: var(--primary-dark);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid var(--accent-gold);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  max-width: 1180px;
  margin: 0 auto;
  padding: 10px 20px;
  gap: 12px;
}

.logo-img {
  height: 100px;
  width: 100px;
  border-radius: 50%;
  object-fit: cover;
  vertical-align: middle;
}

.nav-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nav-link {
  background: transparent;
  border: none;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 8px 14px;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-gold);
  background: rgba(255, 255, 255, 0.08);
}

.nav-link.cta-link {
  background-color: var(--accent-gold);
  color: #fff;
}

.nav-link.cta-link:hover {
  background-color: var(--accent-gold-hover);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  padding: 4px 8px;
  border-radius: 20px;
  border: 1px solid rgba(197, 155, 39, 0.4);
}

.lang-btn {
  background: transparent;
  border: none;
  color: #bbb;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  padding: 2px 6px;
  transition: color 0.2s;
}

.lang-btn.active, .lang-btn:hover {
  color: var(--accent-gold);
}

.lang-divider {
  color: rgba(255, 255, 255, 0.3);
  font-size: 0.8rem;
  user-select: none;
}

.nav-social a {
  color: #fff;
  font-size: 1.2rem;
  margin-left: 8px;
  text-decoration: none;
  transition: color 0.2s;
}

.nav-social a:hover {
  color: var(--accent-gold);
}

/* Manejo de vistas SPA */
.view-panel {
  display: none;
}

.view-panel.active {
  display: block;
}

/* Hero Section */
.hero {
  background: linear-gradient(rgba(31, 26, 23, 0.85), rgba(31, 26, 23, 0.92)), url('../imgs/muebleria-araya-cocina-isla-cuarzo.jpg') center/cover;
  color: #fff;
  padding: 90px 20px;
  text-align: center;
}

.hero-text {
  max-width: 780px;
  margin: 0 auto;
}

.badge {
  display: inline-block;
  background: rgba(197, 155, 39, 0.2);
  color: var(--accent-gold);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 15px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 2.4rem;
  line-height: 1.25;
  margin-bottom: 18px;
}

.hero p {
  font-size: 1.1rem;
  color: #e0deda;
  margin-bottom: 28px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Botones */
.btn {
  padding: 12px 24px;
  border-radius: 5px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-gold {
  background-color: var(--accent-gold);
  color: #fff;
}

.btn-gold:hover {
  background-color: var(--accent-gold-hover);
}

.btn-outline {
  background: transparent;
  border: 1px solid #fff;
  color: #fff;
}

.btn-outline:hover {
  background: #fff;
  color: var(--primary-dark);
}

/* Grillas */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 25px;
}

.feature-box {
  background: var(--bg-white);
  padding: 30px 25px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  text-align: center;
}

.feature-box i {
  font-size: 2rem;
  color: var(--accent-gold);
  margin-bottom: 15px;
}

.feature-box h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.video-container {
  max-width: 800px;
  margin: 0 auto;
}

.video-card {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  margin-top: 25px;
}

.video-card video {
  width: 100%;
  display: block;
}

/* Galería */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 25px;
  margin-top: 35px;
}

.project-item {
  background: var(--bg-white);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.project-item img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
}

.project-details {
  padding: 20px;
}

.project-details h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.project-details p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Trayectoria */
.about-flex {
  display: flex;
  gap: 40px;
  align-items: center;
  flex-wrap: wrap;
}

.about-img-box {
  flex: 1 1 380px;
}

.about-img-box img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.1);
  display: block;
}

.caption-tag {
  background: var(--secondary-dark);
  color: #fff;
  padding: 8px 12px;
  font-size: 0.85rem;
  border-radius: 0 0 8px 8px;
  text-align: center;
}

.about-description {
  flex: 1 1 420px;
}

.about-description h2 {
  font-size: 2rem;
  margin: 10px 0 20px 0;
}

.info-card {
  background: #fff;
  padding: 30px;
  border-left: 4px solid var(--accent-gold);
  border-radius: 4px;
  border-top: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.info-card h3 {
  margin-bottom: 10px;
}

/* Cotizador */
.calculator-wrapper {
  background: var(--bg-white);
  max-width: 820px;
  margin: 0 auto;
  padding: 35px 30px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.quote-block {
  border-bottom: 1px solid var(--border-color);
  padding: 22px 0;
}

.quote-block:last-of-type {
  border-bottom: none;
}

.quote-block h3 {
  font-size: 1.15rem;
  margin-bottom: 18px;
  color: var(--secondary-dark);
}

.form-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.form-col {
  flex: 1 1 250px;
}

.form-col label, .form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.form-col select, .form-col input[type="text"], .form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 0.95rem;
  font-family: inherit;
}

.form-col input[type="range"] {
  width: 100%;
  margin-top: 10px;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.check-container {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  cursor: pointer;
}

.check-container input {
  margin-top: 4px;
}

.quote-summary-card {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  padding: 25px;
  border-radius: 6px;
  margin-top: 25px;
  text-align: center;
}

.total-display {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.total-display .amount {
  display: block;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.summary-disclaimer {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.btn-whatsapp-full {
  background-color: var(--whatsapp-color);
  color: #fff;
  width: 100%;
  padding: 15px 20px;
  font-size: 1.05rem;
  border-radius: 6px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background 0.2s;
}

.btn-whatsapp-full:hover {
  background-color: var(--whatsapp-hover);
}

/* Footer */
.footer {
  background-color: var(--primary-dark);
  color: #d1cbc7;
  padding-top: 50px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  padding-bottom: 40px;
}

.footer-logo {
  height: 56px;
  width: 56px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 12px;
}

.footer-col h4 {
  color: #fff;
  margin-bottom: 12px;
  font-size: 1.05rem;
}

.footer-col p {
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.social-links-footer a {
  display: block;
  color: #d1cbc7;
  text-decoration: none;
  margin-bottom: 8px;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.social-links-footer a:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  border-top: 1px solid #332d29;
  padding: 18px;
  font-size: 0.85rem;
}

/* Adaptación responsive */
@media (max-width: 768px) {
  .nav-container {
    justify-content: center;
  }
  .nav-menu {
    order: 3;
    width: 100%;
    justify-content: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 8px;
  }
  .hero h1 {
    font-size: 1.85rem;
  }
  .calculator-wrapper {
    padding: 20px 15px;
  }
}