/* ==========================================================================
   1. VARIABLES DE COLOR Y CONFIGURACIÓN BASE
   ========================================================================== */
:root {
    --castano-oscuro: #2b1e16;
    --castano-medio: #4a3525;
    --verde-principal: #2e5a44;
    --verde-claro: #f4f7f5;
    --verde-whatsapp: #25d366;
    --blanco: #ffffff;
    --gris-suave: #f9f9f9;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--blanco);
    color: var(--castano-oscuro);
    padding-top: 80px; /* Evita que el contenido se oculte bajo el header fijo */
}

/* ==========================================================================
   2. HEADER Y NAVEGACIÓN
   ========================================================================== */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    height: 80px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(43, 30, 22, 0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 25px;
}

/* Redimensionar el logo en imagen */
.logo img {
    height: 50px; 
    width: auto;
    display: block;
}

/* Menú de Navegación (Escritorio) */
.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-menu li {
    margin-left: 28px;
}

.nav-menu a {
    text-decoration: none;
    color: var(--castano-medio);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--verde-principal);
}

/* Botón Hamburguesa (Oculto en Escritorio) */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: none;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 4px 0;
    background-color: var(--castano-oscuro);
    transition: all 0.3s ease-in-out;
    border-radius: 2px;
}

/* ==========================================================================
   3. SECCIÓN DE INICIO (HERO)
   ========================================================================== */
.hero-section {
    /* Combinación del degradado castaño para legibilidad + la imagen del cuero cabelludo */
    background: linear-gradient(rgba(43, 30, 22, 0.75), rgba(43, 30, 22, 0.5)), 
                url('img/pro.jpg') no-repeat center center/cover;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    color: var(--blanco);
}

.hero-subtitle {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--verde-claro);
    font-weight: 600;
}

.hero-divider {
    width: 60px;
    height: 3px;
    background-color: var(--verde-principal);
    border: none;
    margin: 15px auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-text {
    font-size: 1.2rem;
    margin-bottom: 35px;
    font-weight: 300;
    opacity: 0.95;
}

/* ==========================================================================
   4. BOTONES
   ========================================================================== */
.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--verde-whatsapp);
    color: var(--blanco);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.btn-secondary {
    background-color: transparent;
    color: var(--blanco);
    border: 2px solid var(--blanco);
}

.btn-secondary:hover {
    background-color: var(--blanco);
    color: var(--castano-oscuro);
}

/* ==========================================================================
   5. RESPONSIVE / MEDIA QUERIES (Móviles y Tablets)
   ========================================================================== */
@media (max-width: 900px) {
    /* Activar botón hamburguesa */
    .menu-toggle {
        display: flex; 
    }

    /* Transformación de las líneas a una "X" al abrir el menú */
    .menu-toggle.is-active .bar:nth-child(2) { 
        opacity: 0; 
    }
    .menu-toggle.is-active .bar:nth-child(1) { 
        transform: translateY(11px) rotate(45deg); 
    }
    .menu-toggle.is-active .bar:nth-child(3) { 
        transform: translateY(-11px) rotate(-45deg); 
    }

    /* Menú móvil desplegable */
    .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%; /* Oculto por defecto en el lateral derecho */
        flex-direction: column;
        background-color: var(--blanco);
        width: 100%;
        height: calc(100vh - 80px);
        justify-content: flex-start;
        padding-top: 50px;
        transition: 0.4s cubic-bezier(0.1, 0.7, 0.6, 1);
        box-shadow: 0 15px 15px rgba(43, 30, 22, 0.1);
    }

    /* Clase que se añade con JavaScript para abrir el menú */
    .nav-menu.active {
        right: 0; 
    }

    .nav-menu li {
        margin: 20px 0;
        width: 100%;
        text-align: center;
    }

    .nav-menu a {
        font-size: 1.2rem;
        display: block;
        padding: 10px 0;
    }

    /* Adaptación del Hero para pantallas pequeñas */
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-text {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
}
/* ==========================================================================
   6. SECCIÓN NOSOTROS
   ========================================================================== */
.about-section {
    padding: 100px 20px;
    background-color: var(--verde-claro); /* Fondo suave verde/grisáceo muy limpio */
}

.about-container {
    display: flex;
    align-items: center;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Caja de la imagen */
.about-image {
    flex: 1;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 15px; /* Bordes redondeados elegantes */
    box-shadow: 0 10px 30px rgba(43, 30, 22, 0.15);
    display: block;
    object-fit: cover;
}

/* Caja de contenido */
.about-content {
    flex: 1;
}

.section-subtitle {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--verde-principal);
    font-weight: 700;
    display: block;
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.3rem;
    color: var(--castano-oscuro);
    line-height: 1.3;
    font-weight: 700;
}

.about-divider {
    width: 50px;
    height: 3px;
    background-color: var(--castano-medio);
    margin: 20px 0;
    border-radius: 2px;
}

.about-text {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--castano-medio);
    margin-bottom: 20px;
}

/* Iconos destacados */
.about-features {
    display: flex;
    justify-content: space-between;
    margin-top: 35px;
    gap: 15px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
}

.feature-item i {
    font-size: 1.8rem;
    color: var(--verde-principal);
    margin-bottom: 10px;
}

.feature-item span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--castano-oscuro);
}

/* ----- RESPONSIVE NOSOTROS (Móviles y Tablets) ----- */
@media (max-width: 900px) {
    .about-section {
        padding: 60px 20px;
    }

    .about-container {
        flex-direction: column; /* Coloca la imagen arriba y el texto abajo */
        gap: 35px;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .about-features {
        flex-wrap: wrap;
        justify-content: center;
        gap: 25px;
    }
    
    .feature-item {
        min-width: 120px;
    }
}
/* ==========================================================================
   7. SECCIÓN SERVICIOS
   ========================================================================== */
.services-section {
    padding: 100px 20px;
    background-color: var(--blanco);
}

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

.services-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.services-divider {
    width: 50px;
    height: 3px;
    background-color: var(--verde-principal);
    margin: 20px auto;
    border-radius: 2px;
}

.services-intro {
    font-size: 1.1rem;
    color: var(--castano-medio);
    line-height: 1.6;
}

/* Grid de Tarjetas */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.service-card {
    background-color: var(--gris-suave);
    padding: 40px 30px;
    border-radius: 15px;
    border: 1px solid rgba(43, 30, 22, 0.05);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Efecto al pasar el ratón por la tarjeta */
.service-card:hover {
    transform: translateY(-5px);
    background-color: var(--blanco);
    box-shadow: 0 15px 35px rgba(43, 30, 22, 0.08);
    border-color: var(--verde-principal);
}

.service-icon {
    margin-bottom: 25px;
}

.service-icon i {
    font-size: 2.5rem;
    color: var(--verde-principal);
}

.service-card h3 {
    font-size: 1.4rem;
    color: var(--castano-oscuro);
    margin-bottom: 15px;
    font-weight: 700;
}

.service-card p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--castano-medio);
    margin-bottom: 25px;
    flex-grow: 1; /* Hace que todos los textos empujen la etiqueta al fondo por igual */
}

/* Etiquetas sutiles dentro de las tarjetas */
.service-tag {
    align-self: flex-start;
    background-color: rgba(46, 90, 68, 0.1);
    color: var(--verde-principal);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: 20px;
    letter-spacing: 0.5px;
}

/* Zona inferior de llamado a la acción */
.services-cta {
    text-align: center;
    margin-top: 20px;
    background-color: var(--verde-claro);
    padding: 30px;
    border-radius: 15px;
}

.services-cta p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--castano-oscuro);
    margin-bottom: 15px;
}

/* ----- RESPONSIVE SERVICIOS ----- */
@media (max-width: 768px) {
    .services-section {
        padding: 60px 20px;
    }

    .services-header {
        margin-bottom: 40px;
    }

    .services-grid {
        grid-template-columns: 1fr; /* Una sola columna en móviles */
        gap: 20px;
    }
    
    .service-card {
        padding: 30px 20px;
    }
}
/* ==========================================================================
   7. SECCIÓN SERVICIOS
   ========================================================================== */
.services-section {
    padding: 100px 20px;
    background-color: var(--blanco);
}

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

.services-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.services-divider {
    width: 50px;
    height: 3px;
    background-color: var(--verde-principal);
    margin: 20px auto;
    border-radius: 2px;
}

.services-intro {
    font-size: 1.1rem;
    color: var(--castano-medio);
    line-height: 1.6;
}

/* Grid de Tarjetas */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.service-card {
    background-color: var(--gris-suave);
    padding: 40px 30px;
    border-radius: 15px;
    border: 1px solid rgba(43, 30, 22, 0.05);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Efecto al pasar el ratón por la tarjeta */
.service-card:hover {
    transform: translateY(-5px);
    background-color: var(--blanco);
    box-shadow: 0 15px 35px rgba(43, 30, 22, 0.08);
    border-color: var(--verde-principal);
}

/* Contenedor circular del icono */
.service-icon {
    width: 70px;
    height: 70px;
    background-color: var(--verde-claro);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    transition: all 0.4s ease;
    border: 1px solid rgba(46, 90, 68, 0.15);
}

.service-icon i {
    font-size: 1.8rem;
    color: var(--verde-principal);
    transition: all 0.4s ease;
}

/* Animación del icono al hacer hover en la tarjeta */
.service-card:hover .service-icon {
    background-color: var(--verde-principal);
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(46, 90, 68, 0.25);
}

.service-card:hover .service-icon i {
    color: var(--blanco);
    transform: rotate(10deg);
}

.service-card h3 {
    font-size: 1.4rem;
    color: var(--castano-oscuro);
    margin-bottom: 15px;
    font-weight: 700;
}

.service-card p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--castano-medio);
    margin-bottom: 25px;
    flex-grow: 1;
}

/* Etiquetas internas */
.service-tag {
    align-self: flex-start;
    background-color: rgba(46, 90, 68, 0.1);
    color: var(--verde-principal);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: 20px;
    letter-spacing: 0.5px;
}

/* Zona inferior de llamado a la acción */
.services-cta {
    text-align: center;
    margin-top: 20px;
    background-color: var(--verde-claro);
    padding: 30px;
    border-radius: 15px;
}

.services-cta p {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--castano-oscuro);
    margin-bottom: 15px;
}

/* ----- RESPONSIVE SERVICIOS ----- */
@media (max-width: 768px) {
    .services-section {
        padding: 60px 20px;
    }

    .services-header {
        margin-bottom: 40px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card {
        padding: 30px 20px;
    }
}