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

:root {
    --verde-principal: #2e7d32;
    --verde-oscuro: #1b5e20;
    --verde-claro: #81c784;
    --fondo-suave: #f4f6f4;
    --texto-oscuro: #2c3e50;
}

body {
    background-color: var(--fondo-suave);
    color: var(--texto-oscuro);
    line-height: 1.6;
}

/* Header y Menú */
header {
    background-color: #ffffff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 8%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo h2 {
    color: var(--verde-principal);
}

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

nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: var(--texto-oscuro);
    font-weight: 600;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--verde-principal);
}

.btn-nav {
    background: var(--verde-principal);
    color: white !important;
    padding: 8px 18px;
    border-radius: 20px;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://images.unsplash.com/photo-1500382017468-9049fed747ef?q=80&w=1600') center/cover;
    height: 75vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 25px auto;
}

.hero-buttons a {
    display: inline-block;
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    margin: 5px;
    transition: transform 0.2s;
}

.hero-buttons a:hover {
    transform: translateY(-3px);
}

.btn-primary {
    background-color: var(--verde-principal);
    color: white;
}

.btn-secondary {
    background-color: #25d366;
    color: white;
}

/* Servicios */
.services {
    padding: 60px 8%;
    text-align: center;
}

.services h2 {
    margin-bottom: 40px;
    color: var(--verde-oscuro);
    font-size: 2rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.card .icon {
    font-size: 2.5rem;
    color: var(--verde-principal);
    margin-bottom: 15px;
}

/* Redes Sociales */
.social-section {
    background-color: #ffffff;
    padding: 50px 8%;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 25px;
    flex-wrap: wrap;
}

.social-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 30px;
    text-decoration: none;
    color: white;
    font-weight: bold;
    transition: opacity 0.3s;
}

.youtube { background-color: #ff0000; }
.instagram { background-color: #e1306c; }

.social-card:hover {
    opacity: 0.85;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: var(--verde-oscuro);
    color: white;
    font-size: 0.9rem;
}