/* ========== RESET Y VARIABLES GLOBALES ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primario: #E87C2C;
    --color-secundario: #2C3E50;
    --color-fondo-claro: #F8F9FA;
    --color-texto-oscuro: #333333;
    --color-gris-medio: #6C757D;
    --color-naranja-claro: #ed902b;
    --color-naranja-medio: #FFE0C0;
    --fuente-titulos: 'Raleway', sans-serif;
    --fuente-texto: 'Roboto', sans-serif;
}

body {
    font-family: var(--fuente-texto);
    background-color: var(--color-fondo-claro);
    color: var(--color-texto-oscuro);
    line-height: 1.5;
}

.contenedor {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
}

/* ========== HEADER ========== */
.site-header {
    background: white;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 3px solid var(--color-primario);
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding: 20px 0;
    gap: 15px;
}
.logo h1,
.logo .logo-title {
    font-family: var(--fuente-titulos);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-secundario);
    line-height: 1.2;
}
.logo p {
    font-size: 0.8rem;
    color: var(--color-primario);
    font-weight: 600;
    letter-spacing: 1px;
}
.nav ul {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}
.nav a {
    font-family: var(--fuente-titulos);
    font-weight: 600;
    color: var(--color-secundario);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 1rem;
}
.nav a:hover, .nav a.active {
    color: var(--color-primario);
}
.btn-llamar {
    background: transparent;
    border: 2px solid var(--color-primario);
    padding: 10px 25px;
    font-weight: 700;
    font-family: var(--fuente-titulos);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
    color: var(--color-primario);
    border-radius: 30px;
    text-decoration: none;
    display: inline-block;
}
.btn-llamar:hover {
    background: var(--color-primario);
    color: white;
}

/* ========== FOOTER ========== */
footer {
    background: #1E2A36;
    color: #ddd;
    padding: 80px 0 40px;
    margin-top: 60px;
}
.footer-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    justify-content: space-between;
    margin-bottom: 50px;
}
.footer-col {
    flex: 1;
    min-width: 250px;
}
.footer-col h3 {
    font-family: var(--fuente-titulos);
    color: var(--color-primario);
    margin-bottom: 25px;
    font-size: 1.5rem;
}
.footer-col p {
    margin-bottom: 12px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 12px;
}
.footer-col i {
    width: 25px;
    color: var(--color-primario);
}
.footer-col a {
    color: #ddd;
    text-decoration: none;
    transition: color 0.3s;
}
.footer-col a:hover {
    color: var(--color-primario);
}
.footer-col ul {
    list-style: none;
}
.footer-col li {
    margin-bottom: 15px;
}
.formulario input, .formulario textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    background: #2a3a46;
    border: 1px solid #3a4a56;
    color: white;
    border-radius: 8px;
    font-family: var(--fuente-texto);
}
.formulario input::placeholder { color: #9aa8b4; }
.formulario input:focus {
    outline: 2px solid var(--color-primario);
    outline-offset: 0;
    border-color: var(--color-primario);
}
.form-row {
    display: flex;
    gap: 15px;
}
.formulario button {
    background: var(--color-primario);
    color: white;
    border: none;
    padding: 14px;
    width: 100%;
    font-weight: bold;
    border-radius: 40px;
    cursor: pointer;
    transition: background 0.3s;
    font-family: var(--fuente-titulos);
}
.formulario button:hover {
    background: #d35400;
}
.copyright {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #3a4a56;
    font-size: 0.9rem;
}

/* ========== WHATSAPP FLOTANTE ========== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    border-radius: 50px;
    padding: 12px 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--fuente-titulos);
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    z-index: 1000;
    transition: all 0.3s ease;
    text-decoration: none;
    border: none;
    cursor: pointer;
}
.whatsapp-float i {
    font-size: 1.6rem;
}
.whatsapp-float:hover {
    background-color: #128C7E;
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

/* ========== RESPONSIVE GLOBAL ========== */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 15px;
    }
    .nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.5rem;
    }
    .footer-grid {
        flex-direction: column;
    }
    .whatsapp-float {
        padding: 10px 18px;
        bottom: 20px;
        right: 20px;
        font-size: 0.85rem;
    }
    .whatsapp-float i {
        font-size: 1.3rem;
    }
}
@media (max-width: 992px) {
    .servicios-grid, .nosotros-grid {
        flex-direction: column;
    }
    .caracteristicas-grid {
        flex-direction: column;
    }
}