:root {
    --ink: #102f4f;
    --muted: #64758a;
    --accent: #168bea;
    --paper: #fbfaf7;
    --line: rgba(16, 47, 79, .09);
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    min-height: 100%;
    margin: 0;
}

body {
    min-height: 100vh;
    color: var(--ink);
    background: var(--paper);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.landing {
    min-height: 100vh;
}

.hero {
    position: relative;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: clamp(42px, 7vh, 86px) 24px;
    overflow: hidden;
    isolation: isolate;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: min(900px, 100%);
    margin: 0 auto;
    text-align: center;
}

.brand {
    display: inline-block;
    font-size: clamp(54px, 6.5vw, 92px);
    line-height: .85;
    font-weight: 900;
    letter-spacing: -.075em;
}

.eyebrow {
    margin: 30px 0 0;
    color: #738399;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .18em;
}

h1 {
    max-width: 800px;
    margin: 18px auto 20px;
    font-size: clamp(38px, 5vw, 68px);
    line-height: 1.03;
    letter-spacing: -.052em;
}

.lead {
    max-width: 650px;
    margin: 0 auto;
    color: var(--muted);
    font-size: clamp(17px, 1.45vw, 21px);
    line-height: 1.55;
}

.telegram-button {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 44px;
    width: min(390px, 100%);
    margin-top: 34px;
    padding: 17px 23px;
    border-radius: 999px;
    color: #fff;
    background: var(--accent);
    text-decoration: none;
    font-size: 17px;
    font-weight: 750;
    box-shadow: 0 14px 30px rgba(22, 139, 234, .20);
    transition: transform .16s ease, box-shadow .16s ease;
}

.telegram-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 36px rgba(22, 139, 234, .27);
}

.arrow {
    font-size: 24px;
    line-height: 1;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 210px));
    justify-content: center;
    gap: 1px;
    margin: 58px auto 0;
    border: 1px solid var(--line);
    border-radius: 20px;
    overflow: hidden;
    background: var(--line);
    text-align: left;
}

.features article {
    min-height: 150px;
    padding: 25px 25px 22px;
    background: rgba(255, 255, 255, .62);
    backdrop-filter: blur(5px);
}

.feature-number {
    display: block;
    margin-bottom: 18px;
    color: #91a0b1;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .14em;
}

.features h2 {
    margin: 0 0 7px;
    font-size: 18px;
    letter-spacing: -.025em;
}

.features p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
}

.background-grid {
    position: absolute;
    inset: 0;
    z-index: -2;
    opacity: .38;
    background-image:
        linear-gradient(to right, var(--line) 1px, transparent 1px),
        linear-gradient(to bottom, var(--line) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: radial-gradient(circle at center, black 0%, transparent 70%);
}

.background-shape {
    position: absolute;
    z-index: -1;
    border-radius: 50%;
    filter: blur(1px);
    pointer-events: none;
}

.background-shape-one {
    width: min(48vw, 680px);
    height: min(48vw, 680px);
    top: -26%;
    left: -12%;
    background: rgba(36, 151, 238, .055);
}

.background-shape-two {
    width: min(42vw, 600px);
    height: min(42vw, 600px);
    right: -12%;
    bottom: -28%;
    background: rgba(222, 190, 143, .09);
}

.admin-entry {
    position: fixed;
    right: 28px;
    bottom: 24px;
    z-index: 10;
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    color: rgba(16, 47, 79, .34);
    text-decoration: none;
    border-radius: 50%;
    transition: color .16s ease, transform .16s ease;
}

.admin-entry:hover {
    color: rgba(16, 47, 79, .72);
    transform: scale(1.08);
}

.admin-entry span {
    font-size: 23px;
    line-height: 1;
}

@media (max-width: 760px) {
    .hero {
        padding: 42px 20px 78px;
    }

    .eyebrow {
        margin-top: 24px;
    }

    .features {
        grid-template-columns: 1fr;
        width: min(430px, 100%);
        margin-top: 42px;
    }

    .features article {
        min-height: auto;
    }

    .admin-entry {
        right: 18px;
        bottom: 16px;
    }
}