/* ==========================================================================
   1. VARIABLES Y CONFIGURACIÓN INICIAL (Paleta Premium)
   ========================================================================== */
:root {
    --bg-dark: #0a0b0d;        /* Negro profundo y suave */
    --bg-card: #121418;        /* Negro/Gris premium para tarjetas */
    --gold: #d4af37;           /* Oro clásico */
    --gold-light: #f3e5ab;     /* Oro suave/arena para contrastes */
    --text-light: #f5f5f7;     /* Blanco roto (estilo Apple) */
    --text-muted: #8e8e93;     /* Gris para descripciones secundarias */
    --navbar-height: 80px;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1); /* Animaciones fluidas */
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* ==========================================================================
   2. HEADER & NAVEGACIÓN
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);
    background-color: rgba(10, 11, 13, 0.85);
    backdrop-filter: blur(20px); /* Efecto cristal esmerilado */
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 10%;
    z-index: 1000;
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--text-light);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.9rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 500;
}

.nav-links a:hover, 
.nav-links a.active {
    color: var(--gold);
}

/* Botón "Agendar Consulta" en el menú */
.btn-nav {
    border: 1px solid var(--gold);
    padding: 0.6rem 1.3rem;
    border-radius: 2px;
    color: var(--gold) !important;
}

.btn-nav:hover {
    background-color: var(--gold);
    color: var(--bg-dark) !important;
}

/* ==========================================================================
   3. SECCIÓN HERO (Inicio)
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 10%;
    padding-top: var(--navbar-height);
    position: relative;
    /* Sutil gradiente de fondo simulando iluminación ambiental de estudio */
    background: radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 20% 80%, rgba(18, 20, 24, 1) 0%, var(--bg-dark) 100%);
}

.hero-container {
    max-width: 800px;
    text-align: center;
}

.badge {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--gold);
    border: 1px solid rgba(212, 175, 55, 0.3);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    margin-bottom: 2rem;
    background-color: rgba(212, 175, 55, 0.05);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 3rem auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

/* Botones Principales */
.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-weight: 600;
    border-radius: 2px;
}

.btn-primary {
    background-color: var(--gold);
    color: var(--bg-dark);
}

.btn-primary:hover {
    background-color: var(--gold-light);
    transform: translateY(-2px);
}

.btn-secondary {
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-light);
}

.btn-secondary:hover {
    border-color: var(--gold);
    color: var(--gold);
    transform: translateY(-2px);
}

/* ==========================================================================
   4. SECCIÓN SERVICIOS (Grid Mínimo y Elegante)
   ========================================================================== */
.services {
    padding: 8rem 10%;
    background-color: var(--bg-dark);
}

.section-title {
    text-align: center;
    margin-bottom: 5rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--gold);
    font-size: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background-color: var(--bg-card);
    padding: 3.5rem 2.5rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: var(--transition);
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(212, 175, 55, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-card .icon {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 2px;
    margin-bottom: 2rem;
    display: inline-block;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
    padding-bottom: 0.5rem;
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.3px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ==========================================================================
   5. SECCIÓN CONTACTO (Formulario Minimalista Premium)
   ========================================================================== */
.contact {
    padding: 8rem 10%;
    background: linear-gradient(180deg, var(--bg-dark) 0%, #0d0f12 100%);
    display: flex;
    justify-content: center;
}

.contact-box {
    background-color: var(--bg-card);
    max-width: 650px;
    width: 100%;
    padding: 4rem 3.5rem;
    border-radius: 4px;
    border: 1px solid rgba(212, 175, 55, 0.1);
    text-align: center;
}

.contact-box h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.contact-box p {
    color: var(--text-muted);
    margin-bottom: 3rem;
    font-size: 1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2.5rem; /* Espaciado amplio y limpio */
}

/* Efecto de Floating Labels Premium */
.form-group {
    position: relative;
    text-align: left;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding: 0.8rem 0;
    color: var(--text-light);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.form-group textarea {
    height: 100px;
    resize: none;
}

.form-group label {
    position: absolute;
    top: 0.8rem;
    left: 0;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition);
    font-size: 1rem;
}

/* Animación al hacer focus o escribir */
.form-group input:focus,
.form-group textarea:focus {
    border-bottom-color: var(--gold);
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    top: -1.2rem;
    font-size: 0.8rem;
    color: var(--gold);
    letter-spacing: 1px;
}

.btn-submit {
    background-color: transparent;
    color: var(--gold);
    border: 1px solid var(--gold);
    padding: 1.2rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 1rem;
}

.btn-submit:hover {
    background-color: var(--gold);
    color: var(--bg-dark);
}

/* ==========================================================================
   6. BOTÓN FLOTANTE WHATSAPP PREMIUM
   ========================================================================== */
.whatsapp-float {
    position: fixed;
    bottom: 40px;
    right: 40px;
    background-color: #121418; /* Reemplazamos el verde chillón por negro premium */
    color: #25d366; /* El verde solo queda en el icono */
    border: 1px solid rgba(37, 211, 102, 0.3);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-icon {
    width: 22px;
    height: 22px;
}

.whatsapp-text {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.whatsapp-float:hover {
    transform: translateY(-4px);
    border-color: #25d366;
    background-color: #1a1e24;
}

/* ==========================================================================
   7. FOOTER CORPORATIVO
   ========================================================================== */
.premium-footer {
    background-color: #060708;
    padding: 5rem 10% 2rem 10%;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand {
    max-width: 350px;
}

.footer-brand .logo {
    margin-bottom: 1.5rem;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer-links-group {
    display: flex;
    gap: 6rem;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-col h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.footer-col a {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-col a:hover {
    color: var(--text-light);
    transform: translateX(3px);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding-top: 2rem;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* ==========================================================================
   8. RESPONSIVE DESIGN (Adaptabilidad Móvil)
   ========================================================================== */
@media (max-width: 992px) {
    .navbar { padding: 0 5%; }
    .hero { padding: 0 5%; }
    .hero h1 { font-size: 2.8rem; }
    .services { padding: 6rem 5%; }
    .contact { padding: 6rem 5%; }
    .premium-footer { padding: 4rem 5% 2rem 5%; }
    .footer-links-group { gap: 3rem; }
}

@media (max-width: 768px) {
    .nav-links { display: none; } /* En producción requerirá menú de hamburguesa */
    .hero h1 { font-size: 2.3rem; }
    .hero p { font-size: 1.1rem; }
    .hero-actions { flex-direction: column; gap: 1rem; }
    .contact-box { padding: 3rem 1.5rem; }
    .footer-container { flex-direction: column; gap: 3rem; }
    .footer-links-group { justify-content: space-between; width: 100%; }
    .whatsapp-float { bottom: 20px; right: 20px; padding: 0.7rem 1.2rem; }
}

/* ==========================================================================
   SECCIÓN QUIÉNES SOMOS / SOBRE MÍ (Versión Oscura Premium)
   ========================================================================== */
.about-section {
    padding: 100px 0;
    background-color: #111827; /* Fondo oscuro premium */
    border-top: 1px solid #1f2937;
}

.about-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 45% 50%;
    gap: 5%;
    align-items: center;
}

/* Contenedor de Imagen y Efectos */
.about-image-container {
    position: relative;
    padding-right: 20px;
    padding-bottom: 20px;
}

.about-image-frame {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid #1f2937;
}

.about-image-frame img {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(10%) contrast(105%); /* Estética corporativa */
}

/* Badge Flotante Invertido (Contraste Claro) */
.about-experience-badge {
    position: absolute;
    bottom: 0;
    right: 0;
    background-color: #ffffff; /* Fondo blanco para destacar */
    color: #111827;
    padding: 1.25rem 1.5rem;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.exp-number {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1;
}

.exp-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    line-height: 1.3;
    color: #64748b;
}

/* Contenido de Texto y Tipografías */
.about-subtitle {
    display: inline-block;
    color: #3b82f6; /* Azul eléctrico para el modo oscuro */
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.about-content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.3;
    color: #ffffff; /* Texto blanco */
    margin-bottom: 1.5rem;
}

.about-lead {
    font-size: 1.1rem;
    color: #f1f5f9; /* Texto claro destacado */
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.about-content p {
    color: #94a3b8; /* Texto gris suave */
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

/* Grid de Puntos Clave / Valores */
.about-values-grid {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    border-top: 1px solid #1f2937;
    padding-top: 1.5rem;
}

.value-item {
    font-size: 0.95rem;
    color: #94a3b8;
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.5;
}

.value-item::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #3b82f6;
    font-weight: 700;
}

.value-item strong {
    color: #ffffff;
}

/* Media Query para Dispositivos Móviles */
@media (max-width: 992px) {
    .about-section {
        padding: 60px 0;
    }
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    .about-image-container {
        max-width: 480px;
        margin: 0 auto;
        padding-right: 15px;
        padding-bottom: 15px;
    }
    .about-content h2 {
        font-size: 1.8rem;
    }
}

/* ==========================================================================
   MENÚ HAMBURGUESA RESPONSIVE
   ========================================================================== */

/* Botón hamburguesa oculto por defecto en escritorio */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    width: 30px;
    height: 30px;
    padding: 0;
    z-index: 100;
}

.menu-toggle svg {
    width: 100%;
    height: 100%;
}

/* Estilos móviles (Ajusta el breakpoint si lo necesitas, ej: 768px) */
@media (max-width: 768px) {
    .menu-toggle {
        display: block; /* Se muestra solo en móvil */
    }

    .nav-links {
        display: none; /* Oculto por defecto en móvil */
        flex-direction: column;
        position: absolute;
        top: 100%; /* Despliega justo debajo del navbar */
        left: 0;
        width: 100%;
        background-color: #0b0f19; /* Fondo oscuro premium acorde a la firma */
        padding: 2rem 1.5rem;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        gap: 1.5rem;
    }

    /* Clase que añade JavaScript al hacer clic */
    .nav-links.active {
        display: flex;
    }

    /* Ajuste de los botones dentro del menú móvil */
    .nav-links .btn-nav {
        text-align: center;
        width: 100%;
    }
}