:root {
    --purple-dark: #21003F;
    --purple: #3B0B70;
    --magenta: #9B2188;
    --yellow: #FFE600;
    --text: #21172E;
    --muted: #6C6278;
    --light: #F7F4FA
}

* {
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, Arial, sans-serif;
    color: var(--text);
    background: #fff;
}

section {
    scroll-margin: 130px;
}

.nav {
    height: 88px;
    padding: 0 56px;
    display: flex;
    align-items: center;
    gap: 38px;
    background: var(--purple-dark);
    position: sticky;
    top: 0;
    z-index: 10
}

.logo {
    width: 190px
}

.nav nav {
    display: flex;
    gap: 28px;
    flex: 1;
    justify-content: center
}

.nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 700
}

.btn,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 28px;
    border-radius: 10px;
    font-weight: 800;
    text-decoration: none
}

.btn {
    background: var(--yellow);
    color: #1f1430
}

.btn-small {
    padding: 14px 22px
}

.btn-outline {
    border: 1.5px solid rgba(255, 255, 255, .7);
    color: #fff
}

.hero {
    min-height: 700px;
    background: url('assets/backgrounds/hero_gradient_airlockermt.png') center/cover;
    display: flex;
    align-items: center;
    padding: 70px 60px 110px;
    gap: 30px;
    overflow: hidden
}

.hero-copy {
    max-width: 650px;
    color: #fff
}

h1 {
    font-size: 68px;
    line-height: 1.05;
    margin: 0 0 24px;
    font-weight: 900
}

.hero p {
    font-size: 23px;
    line-height: 1.45;
    margin: 0 0 30px
}

.actions {
    display: flex;
    gap: 18px;
    flex-wrap: wrap
}

.bullets {
    display: flex;
    gap: 26px;
    margin-top: 42px;
    flex-wrap: wrap;
    font-weight: 800
}

.bullets span::before {
    content: '✓';
    color: var(--yellow);
    margin-right: 8px
}

.locker {
    width: min(48vw, 620px);
    filter: drop-shadow(0 35px 45px rgba(0, 0, 0, .4))
}

.cards {
    max-width: 1180px;
    margin: -70px auto 90px;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px
}

.cards article {
    background: #fff;
    border-radius: 26px;
    padding: 34px 24px;
    text-align: center;
    box-shadow: 0 18px 45px rgba(40, 20, 70, .12);
    border: 1px solid #eee
}

.cards img,
.steps img {
    width: 74px;
    height: 74px
}

h3 {
    color: var(--purple);
    font-size: 23px;
    margin: 16px 0 10px
}

p {
    color: var(--muted);
    line-height: 1.55
}

.steps {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px 80px;
    text-align: center
}

.steps small {
    font-weight: 900;
    color: var(--magenta);
    letter-spacing: .08em
}

.steps h2 {
    font-size: 38px;
    margin: 12px 0 45px
}

.step-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px
}

.step-grid article {
    padding: 10px 16px
}

.cta {
    max-width: 1160px;
    margin: 0 auto 80px;
    padding: 48px 62px;
    border-radius: 22px;
    background: url('assets/backgrounds/cta_strip_gradient.png') center/cover;
    color: #fff;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 26px;
    align-items: center
}

.cta h2 {
    font-size: 34px;
    margin: 0
}

.cta p {
    color: #fff;
    margin: 8px 0 0
}

@media(max-width:900px) {
    .nav {
        padding: 0 18px
    }

    .nav nav {
        display: none
    }

    .hero {
        display: block;
        padding: 48px 24px
    }

    h1 {
        font-size: 44px
    }

    .locker {
        width: 100%;
        margin-top: 30px
    }

    .cards,
    .step-grid {
        grid-template-columns: 1fr
    }

    .cta {
        grid-template-columns: 1fr;
        padding: 34px 24px
    }
}