:root {
    --bg-primary: #0b0e0b;
    --bg-secondary: #141814;
    --bg-card: #1c211c;
    --border-color: #2e352d;
    --text-primary: #d8dcd5;
    --text-secondary: #8a9185;
    --accent: #8a9678;
    --accent-hover: #a3ad93;
    --font-heading: 'Nunito', sans-serif;
    --font-body: 'Karla', sans-serif;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--text-primary); font-weight: 700; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Botones */
.btn {
    display: inline-block; padding: 14px 32px; border-radius: 6px;
    font-family: var(--font-heading); font-weight: 600; font-size: 1rem;
    cursor: pointer; transition: var(--transition); border: 2px solid transparent;
    letter-spacing: 0.5px;
}
.btn-primary { background-color: var(--accent); color: var(--bg-primary); }
.btn-primary:hover { background-color: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(138, 150, 120, 0.2); }
.btn-outline { background-color: transparent; border-color: var(--border-color); color: var(--text-primary); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-full { width: 100%; text-align: center; }

/* Navbar con efecto vidrio */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(11, 14, 11, 0.15);
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    border-bottom: 1px solid rgba(138, 150, 120, 0.15);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    padding: 20px 0;
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary);
}
.logo-img {
    width: 40px;
    height: 40px;
}
.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}
.nav-link {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
    padding-bottom: 4px;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    transform-origin: center center;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: width 0.3s ease;
}
.nav-link:hover {
    color: var(--accent);
    transform: scale(1.08);
}
.nav-link:hover::after {
    width: 100%;
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

/* Hero con video de fondo */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: var(--bg-primary);
}
.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    z-index: 0;
    object-fit: cover;
}
/* Fallback si no hay video (imagen) */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../assets/David_v1.png') center center/cover no-repeat;
    opacity: 0.9;
    z-index: 0;
}
/* Canvas de partículas */
#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}
/* Overlay */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}
/* Overlay degradado para legibilidad */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        180deg,
        rgba(11, 14, 11, 0.4) 0%,
        rgba(11, 14, 11, 0.5) 50%,
        rgba(11, 14, 11, 0.95) 100%
    );
    z-index: 1;
}
/* FORZAR centrado absoluto del contenido */
.hero .container {
    max-width: 100% !important;
    width: 100% !important;
    padding: 0 20px !important;
    margin: 0 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    width: 100%;
    text-align: center !important;
    padding: 0 20px;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
}
.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 24px;
    line-height: 1.1;
    text-align: center !important;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.8);
    width: 100%;
}
.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--text-primary);
    margin-bottom: 40px;
    text-align: center !important;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.8);
    width: 100%;
    max-width: 600px;
}
.hero .btn {
    display: inline-block;
    margin: 0 auto;
}
/* Responsive Hero */
@media (max-width: 768px) {
    .hero::before { opacity: 0.7; }
    .hero::after {
        background: linear-gradient(
            180deg,
            rgba(11, 14, 11, 0.5) 0%,
            rgba(11, 14, 11, 0.8) 50%,
            rgba(11, 14, 11, 0.98) 100%
        );
    }
}

/* Secciones */
.section { padding: 100px 0; }
.section-title { font-size: 2.5rem; text-align: center; margin-bottom: 60px; position: relative; color: var(--text-primary); }
.section-title::after { content: ''; display: block; width: 60px; height: 3px; background-color: var(--accent); margin: 16px auto 0; }

/* ===== Servicios: sección con imagen de fondo completa ===== */
.servicios {
    position: relative;
    overflow: hidden;
    background-color: var(--bg-primary);
}

/* Imagen de fondo */
.servicios::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../assets/David_lateral_Izq_v2.png') center 30%/cover no-repeat;
    z-index: 0;
}

/* Overlay degradado para que el texto/las tarjetas se lean bien */
.servicios::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(11, 14, 11, 0.88) 0%,
        rgba(11, 14, 11, 0.75) 40%,
        rgba(11, 14, 11, 0.92) 100%
    );
    z-index: 1;
}

/* Todo el contenido de la sección va por encima del fondo/overlay */
.servicios .container {
    position: relative;
    z-index: 2;
}

/* Grid de tarjetas de servicio */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

/* Tarjetas de servicio */
.servicio-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 40px 32px;
    border-radius: 12px;
    transition: var(--transition);
}
.servicio-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}
.servicio-icon {
    width: 56px; height: 56px;
    background-color: var(--bg-secondary);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 24px;
    color: var(--accent);
    border: 1px solid var(--border-color);
}
.servicio-card h3 { font-size: 1.5rem; margin-bottom: 16px; }
.servicio-card p { color: var(--text-secondary); }

/* Responsive Servicios */
@media (max-width: 960px) {
    .servicios::before {
        background-position: 65% center;
    }
}

/* Paquetes */
.paquetes { background-color: var(--bg-secondary); }
.paquetes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.paquete-card {
    background-color: var(--bg-card); border: 1px solid var(--border-color);
    padding: 40px 24px; border-radius: 12px; text-align: center; transition: var(--transition); position: relative;
}
.paquete-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.paquete-card.featured { border-color: var(--accent); transform: scale(1.02); box-shadow: 0 16px 40px rgba(138, 150, 120, 0.15); }
.paquete-card.featured:hover { transform: scale(1.02) translateY(-4px); }
.paquete-card .badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    background-color: var(--accent); color: var(--bg-primary); padding: 4px 16px;
    border-radius: 20px; font-size: 0.8rem; font-weight: 700; font-family: var(--font-heading);
    letter-spacing: 0.5px;
}
.paquete-card h3 { font-size: 1.5rem; margin-bottom: 8px; }
.paquete-desc { color: var(--text-secondary); margin-bottom: 24px; font-size: 0.95rem; }
.paquete-features { text-align: left; margin-bottom: 32px; }
.paquete-features li { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; color: var(--text-primary); font-size: 0.95rem; }
.paquete-features li i { color: var(--accent); width: 18px; height: 18px; }

/* Nosotros */
.nosotros-content { max-width: 800px; margin: 0 auto; text-align: center; }
.nosotros-text { font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 24px; }
.nosotros-stats { display: flex; justify-content: center; gap: 60px; margin-top: 60px; flex-wrap: wrap; }
.stat-number { display: block; font-family: var(--font-heading); font-size: 3rem; font-weight: 800; color: var(--accent); }
.stat-label { color: var(--text-secondary); font-size: 0.95rem; }

/* Contacto */
.contacto { background-color: var(--bg-secondary); }
.contacto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contacto-info h3 { font-size: 1.5rem; margin-bottom: 32px; }
.contacto-item { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; color: var(--text-primary); }
.contacto-item i { color: var(--accent); }
.contacto-item a:hover { color: var(--accent); }
.contacto-redes { display: flex; gap: 16px; margin-top: 40px; }
.contacto-redes a {
    width: 48px; height: 48px; border: 1px solid var(--border-color); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; color: var(--text-secondary); transition: var(--transition);
}
.contacto-redes a:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-4px); background-color: var(--bg-card); }
.contacto-form { background-color: var(--bg-card); padding: 40px; border-radius: 12px; border: 1px solid var(--border-color); }
.form-group { margin-bottom: 24px; }
.form-group label { display: block; margin-bottom: 8px; font-size: 0.9rem; color: var(--text-secondary); }
.form-group input, .form-group textarea {
    width: 100%; padding: 14px; background-color: var(--bg-primary);
    border: 1px solid var(--border-color); border-radius: 6px; color: var(--text-primary);
    font-family: var(--font-body); font-size: 1rem; transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(138, 150, 120, 0.15); }

/* Footer */
.footer { padding: 40px 0; border-top: 1px solid var(--border-color); text-align: center; background-color: var(--bg-primary); }
.footer-content p { color: var(--text-secondary); font-size: 0.9rem; }
.footer-tagline { margin-top: 8px; font-family: var(--font-heading); font-weight: 600; color: var(--accent); letter-spacing: 1px; }

/* Responsive general */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background-color: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        padding: 40px 0;
        gap: 24px;
        border-bottom: 1px solid var(--border-color);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
    }
    .nav-menu.active {
        transform: translateY(0);
    }
    .nav-toggle {
        display: block;
    }
    .contacto-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .nosotros-stats {
        gap: 40px;
    }
    .nav-link:hover {
        transform: none;
    }
}