/* Se mantienen las variables y estilos base anteriores */
:root {
    --bg-color: #000000;
    --card-bg: #0a0a0a;
    --text-main: #ffffff;
    --text-muted: #999999;
    --border: #222222;
}

* { box-sizing: border-box; margin: 0; padding: 0; scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; background-color: var(--bg-color); color: var(--text-main); line-height: 1.6; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

header { padding: 25px 0; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: rgba(0,0,0,0.9); z-index: 100; }
nav { display: flex; justify-content: space-between; align-items: center; }
.logo img { height: 40px; }
nav ul { list-style: none; display: flex; gap: 30px; }
nav a { text-decoration: none; color: var(--text-main); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; }

.hero { padding: 120px 0; text-align: center; }
.hero h1 { font-size: 3.5rem; margin-bottom: 20px; letter-spacing: -2px; }
.hero h1 span { color: var(--text-muted); font-weight: 300; }

.services { padding: 80px 0; background: #050505; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 50px; }
.card { background: var(--card-bg); padding: 40px; border: 1px solid var(--border); transition: 0.3s; }
.card.highlighted { border-color: #fff; transform: scale(1.02); background: #111; }
.card-icon { font-size: 0.7rem; color: #555; margin-bottom: 15px; font-weight: bold; }
.card h3 { margin-bottom: 15px; font-size: 1.3rem; }
.card p { color: var(--text-muted); font-size: 0.9rem; }

.contact { padding: 100px 0; }
.contact-box { max-width: 500px; margin: 0 auto; }
form { display: flex; flex-direction: column; gap: 15px; margin-top: 30px; }
input, textarea { background: #0a0a0a; border: 1px solid var(--border); padding: 15px; color: white; font-family: inherit; }

/* Estilo del Captcha */
.captcha-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #111;
    padding: 15px;
    border: 1px dashed #444;
    margin-top: 10px;
}
.captcha-container label { font-size: 0.85rem; color: var(--text-muted); }
.captcha-container input { width: 100px; padding: 10px; text-align: center; }

.btn-primary { background: white; color: black; padding: 8px 18px; font-weight: 600; text-decoration: none; }
.btn-primary-lg { background: white; color: black; padding: 18px; font-weight: 700; border: none; cursor: pointer; text-transform: uppercase; margin-top: 10px; }

footer { padding: 40px 0; text-align: center; border-top: 1px solid var(--border); font-size: 0.7rem; color: #444; }