/* CONFIGURACIÓN */
:root {
    --gold: #D4AF37;
    --dark: #0F0F0F;
    --dark-alt: #222222; /* Gris grafito para mejor contraste */
    --white: #FFFFFF;
    --gray: #F8F8F8;
    --sans: 'Montserrat', sans-serif;
    --serif: 'Playfair Display', serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); color: #333; line-height: 1.6; background: var(--white); overflow-x: hidden; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* HEADER */
.header { background: var(--dark); padding: 15px 0; position: sticky; top: 0; z-index: 1000; border-bottom: 2px solid var(--gold); }
.nav { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; flex-direction: column; }
.logo-main { font-weight: 800; font-size: 1.6rem; color: var(--gold); line-height: 1; }
.logo-sub { font-size: 0.6rem; color: var(--white); letter-spacing: 2px; }
.nav-links { display: flex; list-style: none; gap: 20px; }
.nav-links a { color: var(--white); text-decoration: none; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; }
.nav-links a:hover { color: var(--gold); }

/* BOTONES */
.btn-primary, .btn-secondary, .btn-nav {
    padding: 14px 30px; border-radius: 50px; text-decoration: none; font-weight: 800;
    text-transform: uppercase; font-size: 0.85rem; display: inline-block; border: none; cursor: pointer; transition: 0.3s;
}
.btn-primary { background: var(--gold); color: var(--dark); }
.btn-primary:hover { transform: scale(1.05); background: #b8962d; box-shadow: 0 8px 20px rgba(212,175,55,0.4); }
.btn-secondary { border: 2px solid var(--white); color: var(--white); background: transparent; }
.btn-secondary:hover { background: var(--white); color: var(--dark); }
.btn-nav { padding: 10px 20px; font-size: 0.7rem; background: var(--gold); color: var(--dark); }
.w-100 { width: 100%; }

/* HERO */
.hero {
    height: 85vh;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.4)), url('https://images.unsplash.com/photo-1516450360452-9312f5e86fc7?q=80&w=1920&auto=format&fit=crop');
    background-size: cover; background-position: center; display: flex; align-items: center; color: var(--white); text-align: center;
}
.hero h1 { font-family: var(--serif); font-size: clamp(2.2rem, 6vw, 4rem); margin-bottom: 25px; line-height: 1.1; }
.highlight { color: var(--gold); }
.hero-btns { display: flex; gap: 15px; justify-content: center; }

/* SECCIÓN ESPECIALIDADES (MEJORADO) */
.bg-specialties { background: var(--dark-alt); }
.specialties-container { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 40px; }
.service-card { 
    background: #2d2d2d; padding: 35px; border-radius: 15px; border-left: 5px solid var(--gold); 
    flex: 1 1 calc(50% - 20px); display: flex; flex-direction: column; transition: 0.3s;
}
.service-header { display: flex; align-items: center; gap: 15px; margin-bottom: 15px; }
.service-icon { font-size: 2.2rem; }
.service-card h4 { color: var(--gold); font-size: 1.6rem; font-family: var(--serif); margin: 0; }
.service-text { font-size: 1rem; color: #ffffff !important; line-height: 1.7; font-weight: 400; }

/* GENERAL */
.section { padding: 90px 0; }
.section-title { font-family: var(--serif); font-size: 2.8rem; margin-bottom: 20px; }
.bg-light { background: var(--gray); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.card { background: var(--white); padding: 40px; border-radius: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); text-align: center; }
.card-icon { font-size: 3rem; margin-bottom: 15px; display: block; }

/* PROCESO */
.process-steps { display: flex; gap: 40px; margin-top: 40px; }
.step { flex: 1; text-align: center; }
.step-num { font-size: 3.5rem; font-weight: 800; color: rgba(212,175,55,0.2); line-height: 1; margin-bottom: 10px; }

/* FORMULARIO */
.contact-box { background: var(--white); padding: 40px; border-radius: 20px; box-shadow: 0 20px 60px rgba(0,0,0,0.1); }
.form-group { margin-bottom: 15px; text-align: left; }
.form-group label { font-weight: 700; font-size: 0.85rem; display: block; margin-bottom: 5px; }
.form-group input, .form-group textarea { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 8px; font-family: var(--sans); }

/* WHATSAPP */
.whatsapp-btn { 
    position: fixed; bottom: 25px; right: 25px; width: 60px; height: 60px; background: #25D366; 
    border-radius: 50%; display: flex; justify-content: center; align-items: center; z-index: 10000; 
    box-shadow: 0 6px 15px rgba(0,0,0,0.3); 
}
.whatsapp-btn svg { width: 32px; height: 32px; }
.pulse { animation: pulse-animation 2s infinite; }
@keyframes pulse-animation { 0% { box-shadow: 0 0 0 0px rgba(37, 211, 102, 0.7); } 100% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); } }

/* FOOTER */
.footer { background: var(--dark); color: #fff; padding: 50px 0; text-align: center; border-top: 3px solid var(--gold); }

/* ANIMACIÓN REVEAL */
.reveal { opacity: 0; transform: translateY(30px); transition: 0.8s ease; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-btns { flex-direction: column; align-items: center; }
    .hero-btns a { width: 100%; max-width: 300px; }
    .service-card { flex: 1 1 100%; }
    .process-steps { flex-direction: column; }
    .section-title { font-size: 2.2rem; }
    .whatsapp-btn { width: 55px; height: 55px; }
}