@import url('https://fonts.googleapis.com/css2?family=Inter+Tight:wght@300;400;500&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter Tight", sans-serif;
}

body {
    background-color: #F9F9F9;
}

/* HEADER */
header {
    display: flex;
    justify-content: center;
    width: 100%;
}

nav {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80%;
    height: 90px;
    padding: 15px;
    border-bottom: 1px solid #111;
}

nav img {
    width: 180px;
    max-width: 60vw;
    height: auto;
    display: block;
}

/* CONTENIDO */
article {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

/* TÍTULO */
.titulo {
    text-align: center;
    padding: 38px 20px 28px;
}

.titulo h3 {
    font-size: 34px;
    font-weight: 300;
    line-height: 1.15;
    letter-spacing: 0.5px;
}

.titulo .sale {
    font-weight: 500;
}

.subtitulo {
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: 34px;
}

/* CATÁLOGOS */
.catalogos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 34px;
    width: min(1180px, 92vw);
    padding: 0 20px 80px;
}

.catalogo-enlace {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.catalogo-enlace img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.catalogo-enlace img:hover {
    transform: scale(1.03);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
}

/* BOTONES */
.btn-catalogo {
    margin-top: 18px;
    padding: 12px 28px;
    border: 1px solid #111;
    background-color: transparent;
    color: #111;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.25s ease;
}

.btn-catalogo:hover {
    background-color: #111;
    color: white;
    transform: translateY(-2px);
}

/* FOOTER */
footer {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    background-color: black;
    height: 50px;
}

footer a {
    color: white;
    font-size: 12px;
    text-decoration: none;
}

/* WHATSAPP */
.whatsapp-btn {
    position: fixed;
    right: 28px;
    bottom: 28px;
    z-index: 99;
}

.whatsapp-btn img {
    width: 64px;
    display: block;
    transition: transform 0.3s ease;
}

.whatsapp-btn:hover img {
    transform: scale(1.1);
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .catalogos {
        grid-template-columns: 1fr;
        width: min(520px, 92vw);
        gap: 42px;
    }
}

@media (max-width: 600px) {
    nav {
        width: 92%;
        height: 90px;
    }

    nav img {
        width: 165px;
    }

    .titulo {
        padding: 35px 20px 25px;
    }

    .titulo h3 {
        font-size: 30px;
    }

    .subtitulo {
        margin-bottom: 28px;
    }

    .catalogos {
        padding: 0 16px 90px;
    }

    .btn-catalogo {
        font-size: 14px;
        padding: 12px 28px;
    }

    .whatsapp-btn {
        right: 16px;
        bottom: 16px;
    }

    .whatsapp-btn img {
        width: 56px;
    }
}