* {
    box-sizing: border-box;
}

:root {
    --background: #f7f8fc;
    --surface: #ffffff;
    --text: #171a24;
    --muted: #646a7a;
    --border: #e3e6ef;

    --primary: #6557e8;
    --primary-dark: #4d40c8;
    --primary-light: #efedff;

    --positive: #16784f;
    --positive-light: #e9f8f1;

    --negative: #b33a49;
    --negative-light: #fff0f2;

    --shadow: 0 18px 50px rgba(30, 34, 57, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;

    background: var(--background);
    color: var(--text);

    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    line-height: 1.6;
}

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

.header {
    position: sticky;
    top: 0;
    z-index: 10;

    background: rgba(247, 248, 252, 0.92);
    border-bottom: 1px solid var(--border);

    backdrop-filter: blur(12px);
}

.navigation {
    min-height: 72px;

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

.brand {
    display: flex;
    align-items: center;
    gap: 10px;

    font-size: 18px;
    font-weight: 750;
}

.logo {
    width: 36px;
    height: 36px;

    display: grid;
    place-items: center;

    border-radius: 12px;

    background: var(--primary);
    color: white;

    font-weight: 800;
}

nav {
    display: flex;
    gap: 24px;
}

nav a {
    color: var(--muted);

    font-size: 15px;
    font-weight: 600;

    text-decoration: none;
}

nav a:hover {
    color: var(--text);
}

.hero {
    padding: 100px 0 80px;

    background:
        radial-gradient(
            circle at 85% 15%,
            rgba(101, 87, 232, 0.16),
            transparent 32%
        );
}

.hero-content {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;

    align-items: center;
    gap: 72px;
}

.eyebrow {
    margin: 0 0 12px;

    color: var(--primary);

    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.12em;

    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 720px;
    margin-bottom: 24px;

    font-size: clamp(46px, 7vw, 84px);
    line-height: 0.98;
    letter-spacing: -0.055em;
}

h2 {
    max-width: 780px;
    margin-bottom: 42px;

    font-size: clamp(34px, 4vw, 52px);
    line-height: 1.08;
    letter-spacing: -0.035em;
}

.description {
    max-width: 680px;
    margin-bottom: 30px;

    color: var(--muted);

    font-size: 18px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.button {
    min-height: 48px;
    padding: 0 22px;

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

    border-radius: 12px;

    font-weight: 750;
    text-decoration: none;
}

.primary {
    background: var(--primary);
    color: white;
}

.primary:hover {
    background: var(--primary-dark);
}

.secondary {
    border: 1px solid var(--border);

    background: var(--surface);
    color: var(--text);
}

.development-note {
    margin-top: 16px;

    color: var(--muted);
    font-size: 14px;
}

.product-card {
    padding: 24px;

    border: 1px solid var(--border);
    border-radius: 24px;

    background: var(--surface);

    box-shadow: var(--shadow);
}

.card-header {
    margin-bottom: 24px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;

    font-weight: 750;
}

.live-status {
    padding: 7px 10px;

    border-radius: 999px;

    background: var(--positive-light);
    color: var(--positive);

    font-size: 12px;
}

.stats {
    margin-bottom: 22px;

    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.stat {
    padding: 16px;

    border-radius: 16px;

    background: var(--primary-light);
}

.stat strong,
.stat span {
    display: block;
}

.stat strong {
    font-size: 22px;
}

.stat span {
    color: var(--muted);
    font-size: 13px;
}

.mention {
    margin-top: 12px;
    padding: 16px;

    border: 1px solid var(--border);
    border-radius: 16px;
}

.mention h3 {
    margin: 8px 0 4px;
}

.mention p {
    margin-bottom: 0;

    color: var(--muted);
    font-size: 14px;
}

.negative,
.positive {
    padding: 5px 9px;

    display: inline-block;

    border-radius: 999px;

    font-size: 12px;
    font-weight: 800;
}

.negative {
    background: var(--negative-light);
    color: var(--negative);
}

.positive {
    background: var(--positive-light);
    color: var(--positive);
}

.section {
    padding: 88px 0;
}

.alternate {
    background: var(--surface);
}

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

.feature-grid article {
    padding: 24px;

    border: 1px solid var(--border);
    border-radius: 18px;

    background: var(--surface);
}

.feature-grid p,
.steps p,
.contact p {
    color: var(--muted);
}

.feature-number {
    width: 40px;
    height: 40px;
    margin-bottom: 22px;

    display: grid;
    place-items: center;

    border-radius: 12px;

    background: var(--primary-light);
    color: var(--primary);

    font-size: 13px;
    font-weight: 850;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.steps article {
    position: relative;
    padding-left: 60px;
}

.steps article > span {
    position: absolute;
    left: 0;
    top: 0;

    width: 42px;
    height: 42px;

    display: grid;
    place-items: center;

    border-radius: 50%;

    background: var(--primary);
    color: white;

    font-weight: 850;
}

.contact {
    display: grid;
    grid-template-columns: 1fr 0.8fr;

    align-items: start;
    gap: 60px;
}

.contact-card {
    padding: 28px;

    border: 1px solid var(--border);
    border-radius: 18px;

    background: var(--surface);
}

.contact-card a {
    color: var(--primary);

    font-size: 18px;
    font-weight: 750;
}

.small-text {
    margin-top: 18px;

    font-size: 13px;
}

footer {
    padding: 28px 0;

    border-top: 1px solid var(--border);

    background: var(--surface);
    color: var(--muted);

    font-size: 14px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

@media (max-width: 900px) {

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

    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

}

@media (max-width: 640px) {

    nav {
        display: none;
    }

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

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

    h1 {
        font-size: 48px;
    }

}