/* =============================================
       CSS Variables & Reset
    ============================================= */
    :root {
      --dark: #1F2A44;
      --cream: #F5F0E8;
      --gold: #C69B7D;
      --gold-dark: #B07050;
      --white: #FFFFFF;
      --text-muted: #6B7280;
      --border: rgba(31,42,68,0.12);
      --shadow: 0 4px 32px rgba(31,42,68,0.10);
    }

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

    html { scroll-behavior: smooth; }

    body {
      font-family: 'DM Sans', sans-serif;
      color: var(--dark);
      background: var(--white);
      font-size: 16px;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    /* =============================================
       Typography
    ============================================= */
    h1, h2, h3 {
      font-family: 'Cormorant Garamond', serif;
      font-weight: 700;
      line-height: 1.15;
      letter-spacing: -0.01em;
    }

    h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
    h2 { font-size: clamp(1.9rem, 3.5vw, 2.8rem); }
    h3 { font-size: 1.4rem; }

    p { color: var(--text-muted); }

    a { text-decoration: none; color: inherit; }

    /* =============================================
       Utilities
    ============================================= */
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 1.5rem;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.7rem;
      font-weight: 500;
      text-transform: uppercase;
      letter-spacing: 0.18em;
      color: var(--gold);
      border: 1px solid var(--gold);
      padding: 0.3em 1em;
      border-radius: 2px;
      margin-bottom: 1rem;
    }

    .section-header {
      max-width: 620px;
      margin-bottom: 3.5rem;
    }

    .section-header p {
      margin-top: 0.8rem;
    }

    .btn {
      display: inline-block;
      padding: 0.85rem 2rem;
      border-radius: 3px;
      font-family: 'DM Sans', sans-serif;
      font-size: 0.9rem;
      font-weight: 500;
      letter-spacing: 0.04em;
      cursor: pointer;
      transition: all 0.25s ease;
      border: none;
    }

    .btn-primary {
      background: var(--gold);
      color: var(--white);
    }
    .btn-primary:hover { background: var(--gold-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(198,155,125,0.35); }

    .btn-outline {
      background: transparent;
      color: var(--white);
      border: 1.5px solid rgba(255,255,255,0.6);
    }
    .btn-outline:hover { background: rgba(255,255,255,0.1); }

    /* =============================================
       HEADER / NAV
    ============================================= */
    #header {
      position: fixed;
      top: 0; left: 0; right: 0;
      z-index: 1000;
      padding: 1.1rem 0;
      transition: background 0.3s, box-shadow 0.3s;
    }

    #header.scrolled {
      background: var(--white);
      box-shadow: 0 2px 24px rgba(0,0,0,0.08);
    }

    #header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
    }

    .logo {
      font-family: 'Cormorant Garamond', serif;
      font-size: 1.7rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      color: var(--white);
      transition: color 0.3s;
    }
    #header.scrolled .logo { color: var(--dark); }

    .logo span {
      color: var(--gold);
    }

    nav ul {
      list-style: none;
      display: flex;
      gap: 2rem;
      align-items: center;
    }

    nav ul li a {
      font-size: 0.88rem;
      font-weight: 400;
      letter-spacing: 0.03em;
      color: rgba(255,255,255,0.85);
      transition: color 0.2s;
      position: relative;
    }
    nav ul li a::after {
      content: '';
      position: absolute;
      bottom: -3px; left: 0; right: 0;
      height: 1px;
      background: var(--gold);
      transform: scaleX(0);
      transition: transform 0.25s ease;
    }
    nav ul li a:hover::after { transform: scaleX(1); }
    nav ul li a:hover { color: var(--white); }

    #header.scrolled nav ul li a { color: var(--dark); }
    #header.scrolled nav ul li a:hover { color: var(--gold); }

    .header-cta {
      display: flex;
      align-items: center;
      gap: 1.2rem;
    }

    .header-phone {
      font-size: 0.88rem;
      font-weight: 500;
      color: rgba(255,255,255,0.9);
      transition: color 0.3s;
    }
    #header.scrolled .header-phone { color: var(--dark); }
    .header-phone:hover { color: var(--gold) !important; }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 4px;
    }
    .hamburger span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--white);
      border-radius: 2px;
      transition: all 0.3s;
    }
    #header.scrolled .hamburger span { background: var(--dark); }

    /* Mobile Menu */
    .mobile-menu {
      display: none;
      position: fixed;
      top: 0; right: 0; bottom: 0;
      width: min(320px, 100vw);
      background: var(--dark);
      z-index: 2000;
      padding: 5rem 2rem 2rem;
      transform: translateX(100%);
      transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
    }
    .mobile-menu.open { transform: translateX(0); }
    .mobile-menu ul { list-style: none; }
    .mobile-menu ul li { border-bottom: 1px solid rgba(255,255,255,0.08); }
    .mobile-menu ul li a {
      display: block;
      padding: 1.1rem 0;
      font-size: 1.05rem;
      color: rgba(255,255,255,0.85);
      letter-spacing: 0.02em;
    }
    .mobile-menu ul li a:hover { color: var(--gold); }
    .mobile-menu .close-btn {
      position: absolute;
      top: 1.3rem; right: 1.5rem;
      background: none;
      border: none;
      color: var(--white);
      font-size: 1.5rem;
      cursor: pointer;
    }
    .mobile-menu .mobile-phone {
      margin-top: 2rem;
      color: var(--gold);
      font-weight: 500;
      font-size: 1rem;
    }
    .overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.5);
      z-index: 1500;
    }
    .overlay.open { display: block; }

    /* =============================================
       HERO
    ============================================= */
    #inicio {
      min-height: 100vh;
      position: relative;
      display: flex;
      align-items: center;
      overflow: hidden;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background:
        linear-gradient(to right, rgba(10,15,30,0.78) 40%, rgba(10,15,30,0.35) 100%),
        url('https://images.unsplash.com/photo-1552321554-5fefe8c9ef14?w=1600&q=80') center/cover no-repeat;
    }

    /* Geometric accent line */
    .hero-bg::after {
      content: '';
      position: absolute;
      top: 0; right: 0; bottom: 0;
      width: 4px;
      background: linear-gradient(to bottom, transparent, var(--gold), transparent);
    }

    .hero-content {
      position: relative;
      z-index: 1;
      max-width: 700px;
      padding: 9rem 0 6rem;
    }

    .hero-content .section-tag {
      border-color: rgba(198,155,125,0.6);
    }

    .hero-content h1 {
      color: var(--white);
      margin-bottom: 1.3rem;
    }

    .hero-content h1 em {
      font-style: italic;
      color: var(--gold);
    }

    .hero-subtitle {
      color: rgba(255,255,255,0.72);
      font-size: 1.05rem;
      max-width: 520px;
      margin-bottom: 2.5rem;
    }

    .hero-actions {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      align-items: center;
    }

    /* Floating stat cards */
    .hero-stats {
      position: absolute;
      bottom: 3rem;
      right: 2rem;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .stat-card {
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.12);
      backdrop-filter: blur(10px);
      padding: 1rem 1.4rem;
      border-radius: 4px;
      color: var(--white);
      min-width: 150px;
    }

    .stat-card .num {
      font-family: 'Cormorant Garamond', serif;
      font-size: 2rem;
      font-weight: 700;
      color: var(--gold);
      line-height: 1;
    }

    .stat-card .label {
      font-size: 0.75rem;
      letter-spacing: 0.05em;
      color: rgba(255,255,255,0.6);
      margin-top: 0.2rem;
    }

    /* =============================================
       SERVICES
    ============================================= */
    #servicios {
      padding: 6rem 0;
      background: var(--cream);
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
    }

    .service-card {
      background: var(--white);
      border: 1px solid var(--border);
      padding: 2.5rem 2rem;
      border-radius: 4px;
      position: relative;
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .service-card::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0;
      height: 3px;
      background: var(--gold);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.35s ease;
    }

    .service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
    .service-card:hover::before { transform: scaleX(1); }

    .service-icon {
      width: 52px;
      height: 52px;
      background: var(--cream);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.5rem;
      font-size: 1.4rem;
    }

    .service-card h3 {
      color: var(--dark);
      margin-bottom: 0.7rem;
    }

    .service-card p { font-size: 0.92rem; }

    .service-link {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      margin-top: 1.2rem;
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--gold);
      letter-spacing: 0.03em;
      transition: gap 0.2s;
    }
    .service-link:hover { gap: 0.7rem; }

    /* =============================================
       GALLERY
    ============================================= */
    #obras {
      padding: 6rem 0;
    }

    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      grid-template-rows: 260px 260px;
      gap: 1rem;
    }

    .gallery-item {
      overflow: hidden;
      border-radius: 3px;
      position: relative;
      cursor: pointer;
    }

    .gallery-item:nth-child(1) { grid-column: 1 / 6; grid-row: 1; }
    .gallery-item:nth-child(2) { grid-column: 6 / 9; grid-row: 1; }
    .gallery-item:nth-child(3) { grid-column: 9 / 13; grid-row: 1; }
    .gallery-item:nth-child(4) { grid-column: 1 / 5; grid-row: 2; }
    .gallery-item:nth-child(5) { grid-column: 5 / 13; grid-row: 2; }

    .gallery-item img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .gallery-item:hover img { transform: scale(1.06); }

    .gallery-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(10,15,30,0.65), transparent);
      opacity: 0;
      transition: opacity 0.35s;
      display: flex;
      align-items: flex-end;
      padding: 1.2rem;
    }
    .gallery-item:hover .gallery-overlay { opacity: 1; }
    .gallery-overlay span {
      color: var(--white);
      font-size: 0.85rem;
      font-weight: 500;
      letter-spacing: 0.04em;
    }

    /* =============================================
       WHY US
    ============================================= */
    #nosotros {
      padding: 6rem 0;
      background: var(--dark);
      position: relative;
      overflow: hidden;
    }

    #nosotros::before {
      content: '"';
      font-family: 'Cormorant Garamond', serif;
      font-size: 30rem;
      color: rgba(255,255,255,0.02);
      position: absolute;
      top: -8rem;
      right: -2rem;
      line-height: 1;
      pointer-events: none;
    }

    #nosotros .section-tag { border-color: rgba(198,155,125,0.5); }
    #nosotros h2 { color: var(--white); }
    #nosotros .section-header p { color: rgba(255,255,255,0.55); }

    .why-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 2.5rem;
    }

    .why-item {
      position: relative;
      padding-left: 1.5rem;
    }

    .why-item::before {
      content: '';
      position: absolute;
      left: 0; top: 0;
      width: 2px;
      height: 100%;
      background: linear-gradient(to bottom, var(--gold), transparent);
    }

    .why-item .why-num {
      font-family: 'Cormorant Garamond', serif;
      font-size: 2.8rem;
      color: rgba(198,155,125,0.2);
      line-height: 1;
      font-weight: 700;
    }

    .why-item h3 {
      color: var(--white);
      font-size: 1.1rem;
      margin-top: 0.3rem;
      margin-bottom: 0.5rem;
    }

    .why-item p {
      color: rgba(255,255,255,0.5);
      font-size: 0.9rem;
    }

    /* =============================================
       CONTACT
    ============================================= */
    #contacto {
      padding: 6rem 0;
      background: var(--cream);
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      align-items: start;
    }

    .contact-form {
      background: var(--white);
      border: 1px solid var(--border);
      padding: 2.5rem;
      border-radius: 4px;
      box-shadow: var(--shadow);
    }

    .form-group {
      margin-bottom: 1.3rem;
    }

    .form-group label {
      display: block;
      font-size: 0.8rem;
      font-weight: 500;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--dark);
      margin-bottom: 0.45rem;
    }

    .form-group input,
    .form-group textarea {
      width: 100%;
      padding: 0.75rem 1rem;
      border: 1px solid var(--border);
      border-radius: 3px;
      font-family: 'DM Sans', sans-serif;
      font-size: 0.92rem;
      color: var(--dark);
      background: var(--white);
      outline: none;
      transition: border-color 0.2s;
    }

    .form-group input:focus,
    .form-group textarea:focus { border-color: var(--gold); }

    .form-group textarea { height: 130px; resize: vertical; }

    .contact-info { padding-top: 0.5rem; }

    .contact-info h3 {
      color: var(--dark);
      font-size: 1.7rem;
      margin-bottom: 1.5rem;
    }

    .info-item {
      display: flex;
      align-items: flex-start;
      gap: 1rem;
      margin-bottom: 1.5rem;
    }

    .info-icon {
      width: 40px;
      height: 40px;
      background: var(--gold);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      flex-shrink: 0;
      color: var(--white);
    }

    .info-text p { font-size: 0.85rem; margin: 0; }
    .info-text strong { color: var(--dark); font-size: 0.95rem; }

    .map-container {
      margin-top: 2rem;
      border-radius: 4px;
      overflow: hidden;
      border: 1px solid var(--border);
    }

    .map-container iframe {
      width: 100%;
      height: 220px;
      border: none;
      display: block;
    }

    /* =============================================
       FOOTER
    ============================================= */
    footer {
      background: var(--dark);
      color: rgba(255,255,255,0.6);
      padding: 2.5rem 0;
    }

    .footer-inner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
    }

    .footer-logo {
      font-family: 'Cormorant Garamond', serif;
      font-size: 1.4rem;
      color: var(--white);
      font-weight: 700;
      letter-spacing: 0.06em;
    }
    .footer-logo span { color: var(--gold); }

    .footer-copy { font-size: 0.8rem; }

    .footer-links {
      display: flex;
      gap: 1.5rem;
      font-size: 0.8rem;
    }
    .footer-links a { color: rgba(255,255,255,0.5); transition: color 0.2s; }
    .footer-links a:hover { color: var(--gold); }

    .footer-social {
      display: flex;
      gap: 1rem;
    }
    .social-btn {
      width: 36px;
      height: 36px;
      border: 1px solid rgba(255,255,255,0.15);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: rgba(255,255,255,0.5);
      font-size: 0.9rem;
      transition: all 0.2s;
      cursor: pointer;
    }
    .social-btn:hover { border-color: var(--gold); color: var(--gold); }

    /* =============================================
       RESPONSIVE
    ============================================= */
    @media (max-width: 900px) {
      nav, .header-cta .btn { display: none; }
      .hamburger { display: flex; }
      .mobile-menu { display: block; }

      .gallery-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
      }
      .gallery-item { grid-column: unset !important; grid-row: unset !important; height: 200px; }

      .contact-grid { grid-template-columns: 1fr; }

      .hero-stats { display: none; }
    }

    @media (max-width: 600px) {
      .gallery-grid { grid-template-columns: 1fr; }
      .footer-inner { flex-direction: column; text-align: center; }
      .footer-links { flex-wrap: wrap; justify-content: center; }
    }

    /* =============================================
       Animations
    ============================================= */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(28px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .hero-content .section-tag { animation: fadeUp 0.6s ease both; }
    .hero-content h1 { animation: fadeUp 0.6s 0.15s ease both; }
    .hero-subtitle { animation: fadeUp 0.6s 0.28s ease both; }
    .hero-actions { animation: fadeUp 0.6s 0.4s ease both; }


    /* Estilos del botón flotante - adaptado a los colores de Servilujo */
    .whatsapp-button {
        position: fixed;
        bottom: 25px;
        right: 25px;
        width: 60px;
        height: 60px;
        background-color: #25D366; /* Color oficial de WhatsApp */
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        box-shadow: 0 4px 12px rgba(0,0,0,0.25);
        transition: all 0.3s ease;
        z-index: 1000;
        font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    }

    .whatsapp-button svg {
        width: 32px;
        height: 32px;
    }

    /* Tooltip emergente al hacer hover */
    .whatsapp-tooltip {
        position: absolute;
        right: 70px;
        background-color: #1f1f1f;
        color: #f5f5f5;
        padding: 8px 14px;
        border-radius: 30px;
        font-size: 14px;
        font-weight: 500;
        white-space: nowrap;
        opacity: 0;
        visibility: hidden;
        transition: all 0.2s ease;
        box-shadow: 0 2px 8px rgba(0,0,0,0.2);
        pointer-events: none;
        border-left: 3px solid #D4AF37; /* Toque dorado como la web */
    }

    .whatsapp-button:hover .whatsapp-tooltip {
        opacity: 1;
        visibility: visible;
        transform: translateX(-5px);
    }

    .whatsapp-button:hover {
        transform: scale(1.08);
        background-color: #20b359;
        box-shadow: 0 6px 16px rgba(0,0,0,0.3);
    }

    /* En móviles, ligeramente más pequeño y sin tooltip para mejor UX */
    @media (max-width: 768px) {
        .whatsapp-button {
            width: 52px;
            height: 52px;
            bottom: 20px;
            right: 20px;
        }
        .whatsapp-button svg {
            width: 28px;
            height: 28px;
        }
        .whatsapp-tooltip {
            display: none;
        }
    }