/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #ffffff;
    color: #181818;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* HEADER */
.main-header {
    background-color: #00a7c1;
    padding: 15px 0;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
}

.logo img {
    height: 45px;
    width: 45px;
    border-radius: 6px;
}

.logo span {
    font-family: 'Syne', sans-serif;
    color: #ffffff;
    font-size: 1.4rem;
    font-weight: 700;
}

.nav-menu ul {
    list-style: none;
    display: flex;
    gap: 25px;
}

.nav-menu a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: opacity 0.2s;
}

.nav-menu a:hover {
    opacity: 0.8;
}

/* HERO */
.hero-banner {
    background: radial-gradient(circle at center, #00c3d8 0%, #00a7c1 100%);
    color: #ffffff;
    padding: 90px 0;
    text-align: center;
}

.hero-banner h1 {
    font-family: 'Syne', sans-serif;
    font-size: 3.2rem;
    margin-bottom: 20px;
}

.hero-banner p {
    font-size: 1.15rem;
    max-width: 750px;
    margin: 0 auto;
    font-weight: 300;
    opacity: 0.95;
}

/* GRID & CARDS */
.content-section {
    padding: 60px 0;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
    border: 1px solid #f2f2f2;
}

.card:hover {
    transform: translateY(-8px);
}

.card-thumb {
    height: 210px;
    background-color: #f8f8f8;
    background-image: url('http://www.datosdeparley.net/wp-content/uploads/2023/09/Datos-de-parley-fav.png');
    background-size: cover;
    background-position: center;
    position: relative;
}

.card-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #e83030;
    color: #ffffff;
    padding: 5px 14px;
    font-weight: 700;
    font-size: 0.75rem;
    border-radius: 4px;
}

.card-content {
    padding: 25px;
}

.card-content h2 {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #181818;
}

.card-content p {
    color: #5a5a5a;
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.main-btn {
    display: inline-block;
    background-color: #00a7c1;
    color: #ffffff;
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background 0.3s;
}

.main-btn:hover {
    background-color: #181818;
}

/* FOOTER */
.main-footer {
    background-color: #181818;
    color: #ffffff;
    padding: 60px 0 30px;
    margin-top: 40px;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    padding-bottom: 40px;
    border-bottom: 1px solid #2a2a2a;
}

.footer-info h3 {
    font-family: 'Syne', sans-serif;
    margin-bottom: 15px;
}

.footer-copyright {
    text-align: center;
    padding-top: 30px;
    font-size: 0.8rem;
    opacity: 0.6;
}

/* ADAPTIVITY */
@media (max-width: 768px) {
    .header-flex {
        flex-direction: column;
        gap: 15px;
    }
    .hero-banner h1 {
        font-size: 2.2rem;
    }
    .cards-grid {
        grid-template-columns: 1fr;
    }
}