```css
* {
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    margin: 0;
    color: #20243a;
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 92%;
    max-width: 1120px;
    margin: auto;
}

/* HEADER */

header {
    position: sticky;
    top: 0;
    background: #fff;
    border-bottom: 1px solid #eee;
    z-index: 100;
}

.nav {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.logo {
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mark {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: #8b1e3f;
    color: white;
}

nav {
    display: flex;
    gap: 18px;
    font-size: 14px;
    font-weight: bold;
}

nav .active {
    color: #8b1e3f;
}

/* BUTTON */

.btn {
    display: inline-block;
    padding: 12px 18px;
    border-radius: 8px;
    font-weight: bold;
}

.primary {
    background: #8b1e3f;
    color: white;
}

.wa {
    background: #188a4b;
    color: white;
}

/* HERO */

.hero {
    padding: 75px 0;
    background: linear-gradient(135deg, #fff7f8, #f7f4ef);
}

h1 {
    font-size: clamp(40px, 5vw, 60px);
    line-height: 1.1;
}

h1 span {
    color: #8b1e3f;
}

.hero p {
    font-size: 18px;
    color: #626778;
}

.badge {
    display: inline-block;
    background: #f3dce3;
    color: #8b1e3f;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 13px;
}

/* LAYOUT */

.grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}

.card,
.contact-box {
    padding: 28px;
    border: 1px solid #eee;
    border-radius: 15px;
    background: #fff;
    box-shadow: 0 8px 25px #0000000b;
}

section {
    padding: 70px 0;
}

.alt {
    background: #faf8f5;
}

.head {
    text-align: center;
    margin-bottom: 35px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #8b1e3f;
    color: #fff;
    display: grid;
    place-items: center;
    font-weight: bold;
}

.list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.list div {
    padding: 15px;
    border: 1px solid #eee;
    border-radius: 10px;
}

.contact {
    display: grid;
    grid-template-columns: 0.75fr 1.25fr;
    gap: 25px;
}

.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

label {
    display: block;
    font-weight: bold;
    font-size: 14px;
    margin: 10px 0 5px;
}

input,
select,
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font: inherit;
}

textarea {
    min-height: 110px;
}

.msg {
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 12px;
    display: none;
}

.success {
    display: block;
    background: #e8f7ee;
    color: #176a39;
}

.error {
    display: block;
    background: #fdeaea;
    color: #9b2020;
}

/* FOOTER */

footer {
    background: #191923;
    color: #fff;
    padding: 28px 0;
}

.foot {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    flex-wrap: wrap;
}


/* =========================
   MOBILE HAMBURGER MENU
========================= */

.menu-toggle {
    display: none;
    background: #8b1e3f;
    color: #fff;
    border: none;
    border-radius: 8px;
    width: 44px;
    height: 44px;
    font-size: 24px;
    cursor: pointer;
}


/* TABLET + MOBILE */

@media (max-width: 800px) {

    .nav {
        min-height: 64px;
        position: relative;
    }

    .menu-toggle {
        display: block;
    }

    /* Hide desktop call button */

    .nav > .btn.primary {
        display: none;
    }

    /* MOBILE MENU */

    .nav nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        gap: 0;
        padding: 10px 4%;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        border-top: 1px solid #eee;
        z-index: 9999;
    }

    /* SHOW MENU */

    .nav nav.show {
        display: flex !important;
    }

    .nav nav a {
        display: block;
        width: 100%;
        padding: 15px 10px;
        border-bottom: 1px solid #eee;
        font-size: 16px;
    }

    .nav nav a:last-child {
        border-bottom: none;
    }

    /* RESPONSIVE LAYOUT */

    .grid,
    .contact {
        grid-template-columns: 1fr;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .steps {
        grid-template-columns: 1fr 1fr;
    }

    .list {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 45px 0;
    }

    section {
        padding: 45px 0;
    }

    h1 {
        font-size: 38px;
    }

    .hero p {
        font-size: 16px;
    }

    .actions {
        flex-direction: column;
    }

    .actions .btn {
        width: 100%;
        text-align: center;
    }

    .card,
    .contact-box {
        padding: 20px;
    }

    .logo {
        font-size: 14px;
    }

    .mark {
        width: 38px;
        height: 38px;
    }
}


/* SMALL MOBILE */

@media (max-width: 500px) {

    h1 {
        font-size: 34px;
    }

    .hero {
        padding: 38px 0;
    }

    section {
        padding: 38px 0;
    }

    .steps,
    .row {
        grid-template-columns: 1fr;
    }
}
```