:root {
    --bg-main: #0a0a0a;
    --bg-card: #141414;
    --primary: #ff001e;
    --primary-glow: #ff001e88;
    --text-light: #ffffff;
    --text-dim: #b3b3b3;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-light);
    line-height: 1.6;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background: rgba(10, 10, 10, 0.95);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #222;
}

.logo-img {
    height: 50px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 1rem;
    background: radial-gradient(circle, rgba(255,0,30,0.15) 0%, rgba(10,10,10,1) 70%);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero h1 span {
    color: var(--primary);
}

.hero-buttons {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 0.8rem 1.8rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.btn-primary {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 0 15px var(--primary-glow);
}

.btn-secondary {
    border: 1px solid var(--primary);
    color: #fff;
}

.btn:hover {
    transform: translateY(-3px);
}

/* Secciones y Cards */
.section {
    padding: 5rem 10%;
}

.bg-alt {
    background-color: #0f0f0f;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 3rem;
}

.section-title span {
    color: var(--primary);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.card, .service-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #222;
    transition: 0.3s;
}

.service-card:hover {
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
}

.icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.check-list {
    list-style: none;
    max-width: 600px;
    margin: 0 auto;
}

.check-list li {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.check-list i {
    color: var(--primary);
    margin-right: 10px;
}

/* Botón flotante */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25d366;
    color: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    z-index: 1000;
}

footer {
    text-align: center;
    padding: 2rem;
    background: #050505;
    border-top: 1px solid #222;
    color: var(--text-dim);
}