:root {
    --bg-main: #000000;
    --bg-card: #141414;
    --bg-darker: #0a0a0a;
    --bronce: #B8860B;
    --bronce-dim: rgba(184, 134, 11, 0.3);
    --text-white: #ffffff;
    --text-gray: #aaaaaa;
    --font-main: 'Inter', sans-serif;
}

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

body { background-color: var(--bg-main); color: var(--text-white); font-family: var(--font-main); }

.linea{ background-color: var(--bronce); height: 1px; border: none;}
.limitado{  text-shadow: 1px 1px 5px var(--bronce);}

/* Alertas PHP */
.alerta { padding: 15px; margin-bottom: 20px; border-radius: 4px; font-size: 0.9rem; border: 1px solid; }
.exito { background-color: rgba(46, 204, 113, 0.1); border-color: #2ecc71; color: #2ecc71; }
.error { background-color: rgba(231, 76, 60, 0.1); border-color: #e74c3c; color: #e74c3c; }

/* Navegación */
.navbar { display: flex; justify-content: space-between; align-items: center; padding: 20px 50px; border-bottom: 1px solid #222; position: sticky; top: 0; background-color: var(--bg-main); z-index: 1000; }
.logo { font-size: 1.2rem; font-weight: bold; }
.cursiva{ font-style: oblique; }
.logo i { color: var(--text-white); margin-right: 10px; }
.nav-links { list-style: none; display: flex; gap: 30px; }
.nav-links a { color: var(--text-white); text-decoration: none; font-size: 0.9rem; transition: color 0.3s; }
.nav-links a:hover { color: var(--bronce); }

/* Layouts Generales */
.seccion { padding: 50px 50px; }
.fondo-oscuro { background-color: var(--bg-darker); border-top: 1px solid #111; border-bottom: 1px solid #111; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; max-width: 1200px; margin: 0 auto; }

/* Tipografía */
h1 { font-size: 2rem; font-weight: 900; line-height: 1.2; margin-bottom: 20px; }
h2.titulo-centrado { text-align: center; font-size: 2rem; margin-bottom: 40px; font-weight: 700; color: var(--text-white); }
h2.titulo-izquierdo { font-size: 2rem; margin-bottom: 20px; font-weight: 700; }

/* Botones */
.btn-primary { color: var(--bronce); text-decoration: none; font-weight: bold; letter-spacing: 1px; display: inline-block; margin-top: 10px; transition: color 0.3s; }
.btn-primary:hover { color: #fff; }
.btn-outline { border: 1px solid var(--text-gray); color: var(--text-white); padding: 10px 20px; text-decoration: none; display: inline-block; font-size: 0.8rem; background: transparent; cursor: pointer; transition: all 0.3s; }
.btn-outline:hover { border-color: var(--bronce); color: var(--bronce); }

/* Hero Section */
.hero { display: flex; align-items: center; gap: 50px; max-width: 1300px; margin: 0 auto; flex-wrap: wrap; }
.hero-image { flex: 1; min-width: 300px; }
.hero-image img { width: 100%; border-radius: 8px; filter: grayscale(20%); object-fit: cover; }
.hero-text { flex: 1; min-width: 300px; }
.text-small p { color: var(--text-gray); margin-bottom: 20px; font-size: 0.95rem; line-height: 1.6; }

/* Tarjetas Método */
.card-metodo { background-color: var(--bg-card); padding: 40px 30px; border-radius: 8px; text-align: center; border: 1px solid #222; transition: border-color 0.3s; }
.card-metodo:hover { border-color: var(--bronce); }
.card-metodo i { font-size: 2.5rem; color: var(--bronce); margin-bottom: 20px; }
.card-metodo h3 { margin-bottom: 10px; font-size: 1.2rem; }
.card-metodo p { color: var(--text-gray); font-size: 0.9rem; }

/* Tarjetas Evidencia */
.card-evidencia { background-color: transparent; padding: 30px; border-radius: 8px; border: 1px solid var(--bronce-dim); text-align: center; }
.card-evidencia h3 { margin-bottom: 5px; font-size: 1.2rem; }
.sub-text { color: var(--text-gray); font-size: 0.8rem; margin-bottom: 20px; }
.img-placeholder { background-color: #222; border-radius: 4px; overflow: hidden; margin-bottom: 15px; }
.img-placeholder img { width: 100%; display: block; }
.cita { font-style: italic; color: var(--text-gray); font-size: 0.9rem; margin-bottom: 10px; }
.pie-card { font-size: 0.8rem; font-weight: bold; }
.color-bronce { color: var(--bronce); }

/* Tarjetas Planes */
.card-plan { background-color: transparent; padding: 40px 30px; border-radius: 8px; border: 1px solid var(--bronce-dim); transition: transform 0.3s; }
.card-plan:hover { transform: translateY(-5px); }
.card-plan h3 { font-size: 1.3rem; margin-bottom: 20px; border-bottom: 1px solid #333; padding-bottom: 15px; }
.card-plan ul { list-style: none; margin-bottom: 30px; }
.card-plan ul li { color: var(--text-gray); font-size: 0.9rem; margin-bottom: 10px; position: relative; padding-left: 15px; }
.card-plan ul li::before { content: "•"; position: absolute; left: 0; color: var(--text-white); }

/* Footer / Contacto */
.footer-seccion { display: flex; justify-content: space-between; align-items: flex-start; padding: 60px 50px; background-color: var(--bg-main); border-top: 1px solid #222; max-width: 1200px; margin: 0 auto; gap: 50px; flex-wrap: wrap; }
.form-container { flex: 1; min-width: 300px; }
.input-row { display: flex; gap: 20px; margin-bottom: 20px; }
input, textarea { width: 100%; background: transparent; border: 1px solid #333; padding: 15px; color: var(--text-white); font-family: var(--font-main); border-radius: 4px; transition: border-color 0.3s; }
input:focus, textarea:focus { outline: none; border-color: var(--bronce); }
.footer-info { flex: 1; text-align: right; min-width: 300px; }
.redes { margin-bottom: 20px; }
.redes i { font-size: 1.5rem; margin-left: 15px; cursor: pointer; color: var(--text-gray); transition: color 0.3s; }
.redes i:hover { color: var(--bronce); }
.footer-info h2 { color: var(--bronce); font-size: 1.5rem; line-height: 1.4; }