/* ==============================
   FRIOELECTRICO - Landing temporal
   ============================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f7f9;
    color: #1d2935;
    line-height: 1.6;
}

/* HERO */

.hero {
    min-height: 520px;
    padding: 90px 20px;
    text-align: center;
    color: white;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    background:
        linear-gradient(
            135deg,
            #071c2c 0%,
            #0b3551 55%,
            #086c8f 100%
        );
}

.hero h1 {
    font-size: clamp(2.6rem, 7vw, 5rem);
    letter-spacing: 4px;
    font-weight: 800;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.25rem;
    max-width: 800px;
    opacity: 0.95;
}

.experience {
    margin-top: 22px;
    font-size: 1.05rem;
}

.location {
    margin-top: 5px;
    opacity: 0.9;
}


/* BOTONES */

.buttons {
    margin-top: 32px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.btn {
    display: inline-block;
    padding: 13px 22px;

    border-radius: 8px;

    text-decoration: none;
    font-weight: bold;

    transition:
        transform 0.2s ease,
        opacity 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.call {
    background: white;
    color: #0b3551;
}

.whatsapp {
    background: #25D366;
    color: white;
}

.map {
    background: #168aad;
    color: white;
}


/* SECCIONES */

section {
    padding: 70px 20px;
}

section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #0b3551;
}


/* TARJETAS */

.grid {
    max-width: 1100px;
    margin: 0 auto;

    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.card {
    background: white;
    padding: 30px;

    border-radius: 12px;

    box-shadow:
        0 5px 20px rgba(0, 0, 0, 0.07);

    border-top: 4px solid #168aad;

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);

    box-shadow:
        0 10px 28px rgba(0, 0, 0, 0.11);
}

.card h3 {
    color: #0b3551;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.card ul {
    padding-left: 20px;
}

.card li {
    margin: 6px 0;
}


/* CLIENTES */

.clients {
    background: #eaf2f6;
}


/* CONTACTO */

.contact {
    text-align: center;
    background: white;
}

.contact p {
    font-size: 1.1rem;
    margin: 8px;
}

.large {
    margin-top: 25px;
    padding: 15px 28px;
}


/* FOOTER */

footer {
    background: #071c2c;
    color: white;

    text-align: center;

    padding: 35px 20px;
}

footer p {
    margin: 4px 0;
}

footer p:nth-child(2) {
    opacity: 0.7;
}


/* WHATSAPP FLOTANTE */

.floating {
    position: fixed;

    right: 22px;
    bottom: 22px;

    width: 58px;
    height: 58px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 50%;

    background: #25D366;
    color: white;

    font-size: 26px;

    text-decoration: none;

    box-shadow:
        0 5px 18px rgba(0, 0, 0, 0.25);

    transition: transform 0.2s ease;
}

.floating:hover {
    transform: scale(1.08);
}


/* ==============================
   RESPONSIVE
   ============================== */

@media (max-width: 800px) {

    .hero {
        min-height: 480px;
        padding: 65px 18px;
    }

    .hero h1 {
        letter-spacing: 2px;
    }

    .subtitle {
        font-size: 1.05rem;
    }

    .grid {
        grid-template-columns: 1fr;
        max-width: 550px;
    }

    section {
        padding: 55px 18px;
    }

    section h2 {
        font-size: 1.7rem;
    }

    .buttons {
        flex-direction: column;
        width: 100%;
        max-width: 330px;
    }

    .btn {
        width: 100%;
    }

    .floating {
        width: 54px;
        height: 54px;

        right: 16px;
        bottom: 16px;
    }
}