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

html {
    scroll-behavior: smooth;
}

body {
    background: #080b11;
    color: #f5f7fb;
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    line-height: 1.6;
}

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

.container {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}


/* NAVIGATION */

.navbar {
    position: sticky;
    top: 0;
    z-index: 100;

    background: rgba(8, 11, 17, 0.88);

    border-bottom:
        1px solid rgba(255,255,255,0.08);

    backdrop-filter: blur(14px);
}

.nav-content {
    height: 76px;

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

.logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

nav {
    display: flex;
    gap: 30px;
}

nav a {
    color: #b6bcc8;
    font-size: 14px;
}

nav a:hover {
    color: white;
}


/* HERO */

.hero {
    padding: 110px 0 120px;
}

.hero-content {
    display: grid;

    grid-template-columns:
        1.15fr
        0.85fr;

    gap: 80px;

    align-items: center;
}

.eyebrow {
    font-size: 12px;

    letter-spacing: 2.2px;

    font-weight: 700;

    color: #828b9d;

    margin-bottom: 18px;
}

h1 {
    font-size: clamp(48px, 7vw, 78px);

    line-height: 0.98;

    letter-spacing: -3px;

    max-width: 800px;
}

.hero-description {
    margin-top: 28px;

    max-width: 650px;

    font-size: 19px;

    color: #aab1be;
}

.primary-button {
    display: inline-block;

    margin-top: 35px;

    padding: 15px 22px;

    background: white;

    color: #080b11;

    border-radius: 9px;

    font-weight: 700;
}


/* CHAT DEMO */

.hero-card {
    padding: 25px;

    border-radius: 20px;

    background: #10151e;

    border:
        1px solid rgba(255,255,255,0.09);

    box-shadow:
        0 40px 100px rgba(0,0,0,0.35);
}

.chat-header {
    font-weight: 700;

    padding-bottom: 20px;

    border-bottom:
        1px solid rgba(255,255,255,0.08);

    margin-bottom: 25px;
}

.message {
    width: fit-content;

    max-width: 83%;

    padding: 12px 15px;

    margin-bottom: 12px;

    border-radius: 14px;

    font-size: 14px;
}

.customer {
    margin-left: auto;

    background: #272f3d;
}

.assistant {
    background: #171e29;

    border:
        1px solid rgba(255,255,255,0.06);
}


/* SECTIONS */

.section {
    padding: 110px 0;

    border-top:
        1px solid rgba(255,255,255,0.07);
}

.alternate {
    background: #0c1017;
}

.section-heading {
    max-width: 730px;

    margin-bottom: 60px;
}

h2 {
    font-size: clamp(36px, 5vw, 55px);

    line-height: 1.05;

    letter-spacing: -2px;
}

.section-heading p {
    margin-top: 20px;

    font-size: 18px;

    color: #aab1be;
}


/* FEATURES */

.feature-grid {
    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 20px;
}

.feature-card {
    padding: 30px;

    min-height: 250px;

    background: #10151e;

    border:
        1px solid rgba(255,255,255,0.07);

    border-radius: 16px;
}

.feature-card h3 {
    font-size: 21px;

    margin-bottom: 15px;
}

.feature-card p {
    color: #9ca5b4;
}


/* STEPS */

.steps {
    display: grid;

    gap: 18px;
}

.step {
    display: grid;

    grid-template-columns:
        65px
        1fr;

    gap: 25px;

    padding: 28px;

    border:
        1px solid rgba(255,255,255,0.07);

    border-radius: 14px;

    background: #10151e;
}

.step span {
    color: #747f90;

    font-weight: 800;
}

.step p {
    color: #9fa8b7;

    margin-top: 6px;
}


/* CONTACT */

.contact-section {
    padding: 100px 0;

    background: white;

    color: #090c11;
}

.contact-content {
    display: flex;

    justify-content: space-between;

    align-items: center;

    gap: 30px;
}

.contact-content p {
    margin-top: 15px;

    color: #525967;
}

.secondary-button {
    border:
        1px solid #d4d7dd;

    padding: 14px 20px;

    border-radius: 8px;

    font-weight: 700;
}


/* FOOTER */

footer {
    padding: 32px 0;

    color: #858e9d;

    font-size: 14px;
}

.footer-content {
    display: flex;

    justify-content: space-between;

    gap: 30px;
}

.footer-links {
    display: flex;

    gap: 25px;
}


/* MOBILE */

@media (max-width: 850px) {

    nav {
        display: none;
    }

    .hero {
        padding: 75px 0;
    }

    .hero-content {
        grid-template-columns: 1fr;

        gap: 60px;
    }

    h1 {
        letter-spacing: -2px;
    }

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

    .contact-content {
        flex-direction: column;

        align-items: flex-start;
    }

    .footer-content {
        flex-direction: column;
    }
}