* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    color: #2b2b2b;
    line-height: 1.6;
    background-color: #ffffff;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

/* ================= HEADER ================= */
header {
    background: #ffffff;
    border-bottom: 1px solid #e0e0e0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

header h1 {
    font-weight: 600;
}

header h1 span {
    color: #7a7a7a;
}

nav a {
    margin-left: 20px;
    text-decoration: none;
    color: #5a5a5a;
    font-weight: 500;
}

nav a:hover {
    color: #2b2b2b;
}

/* ================= HERO ================= */
.hero {
    background: linear-gradient(
                rgba(0,0,0,.55),
                rgba(0,0,0,.55)
            ),
            url('https://images.unsplash.com/photo-1580281657527-47f249e8f4df') center/cover;
    height: 80vh;
    display: flex;
    align-items: center;
    color: #ffffff;
}

.hero-content {
    margin-left: 10%;
}

.hero h2 {
    font-size: 3rem;
    font-weight: 600;
}

.hero p {
    margin: 15px 0;
    color: #e0e0e0;
}

/* ================= BOTONES ================= */
.btn {
    display: inline-block;
    background: #5a5a5a;
    color: #ffffff;
    padding: 12px 28px;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 500;
    transition: all .3s ease;
}

.btn:hover {
    background: #2b2b2b;
}

/* ================= SECCIONES ================= */
.section {
    padding: 70px 0;
    text-align: center;
}

.section h2 {
    font-weight: 600;
    margin-bottom: 20px;
}

.bg-light {
    background: #f2f2f2;
}

/* ================= CARDS ================= */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.card {
    background: #ffffff;
    padding: 30px;
    border-radius: 14px;
    box-shadow: 0 8px 20px rgba(0,0,0,.08);
}

.card h3 {
    margin-bottom: 10px;
    color: #2b2b2b;
}

/* ================= CTA ================= */
.cta {
    background: #2b2b2b;
    color: #ffffff;
    padding: 60px 0;
    text-align: center;
}

.btn-light {
    background: #ffffff;
    color: #2b2b2b;
}

.btn-light:hover {
    background: #e0e0e0;
}

/* ================= FOOTER ================= */
footer {
    background: #1f1f1f;
    color: #bdbdbd;
    text-align: center;
    padding: 20px;
    font-size: 0.9rem;
}