@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url(fonts/montserrat-latin-ext.woff2) format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
    font-family: 'Montserrat';
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url(fonts/montserrat-latin.woff2) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
    --blue: #022dff;
    --blue-dark: #0122c2;
    --blue-soft: #5b74ff;
    --ink: #0a0a0a;
    --ink-2: #121419;
    --ink-3: #1a1f26;
    --text: #0a0a0a;
    --text-2: #454c57;
    --text-3: #5b6472;
    --text-mut: #6b7280;
    --bg: #ffffff;
    --bg-soft: #f6f7fa;
    --line: #e8eaf0;
    --line-2: #e5e8ee;
    --line-3: #d6dae3;
    --w-text: #dfe3ea;
    --w-text-2: #a7aeba;
    --w-text-3: #8a93a5;
    --w-mut: #7c8495;
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 14px;
    --r-xl: 16px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: 'Montserrat', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: clip;
}
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }
::selection { background: var(--blue); color: #fff; }
img { max-width: 100%; height: auto; }
h1, h2, h3, h4, p { margin: 0; }
summary { list-style: none; }
summary::-webkit-details-marker { display: none; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 2px; }

.skip-link {
    position: absolute; left: -9999px; top: 0; z-index: 100;
    background: var(--blue); color: #fff; padding: 10px 16px;
    font-size: 14px; font-weight: 600; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

zl-wrap { display: block; max-width: 1240px; margin: 0 auto; padding: 0 32px; }

zl-eyebrow {
    display: block; font-size: 11.5px; font-weight: 600; letter-spacing: 0.16em;
    color: var(--text-3); text-transform: uppercase;
    b { color: var(--blue); font-weight: 700; }
    &[light] { color: var(--w-text-3); b { color: var(--blue-soft); } }
}

.btn {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 15px; font-weight: 600; padding: 15px 28px; border-radius: var(--r-sm);
    background: var(--blue); color: #fff; transition: background .15s, border-color .15s, color .15s;
    &:hover { background: var(--blue-dark); color: #fff; }
    &[ghost] {
        background: transparent; color: var(--ink); border: 1px solid var(--line-3);
        &:hover { background: transparent; border-color: var(--blue); color: var(--blue); }
    }
    &[ghost][light] {
        color: #fff; border-color: rgba(255,255,255,0.24);
        &:hover { border-color: var(--blue-soft); color: var(--blue-soft); }
    }
    &[sm] { font-size: 14.5px; padding: 13px 24px; }
}

crypted-email {
    cursor: pointer;
    span { pointer-events: none; }
}
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

zl-header {
    display: block; position: sticky; top: 0; z-index: 50;
    background: #fff;
    border-bottom: 1px solid var(--line);

    zl-wrap { height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .logo { display: flex; align-items: center; img { height: 30px; display: block; } }
    nav {
        display: flex; align-items: center; gap: 26px;
        a { font-size: 14.5px; font-weight: 500; color: var(--ink-3); white-space: nowrap;
            &:hover { color: var(--blue); }
            &[aria-current] { font-weight: 600; color: var(--blue); }
        }
        .cta { background: var(--blue); color: #fff; font-size: 14px; font-weight: 600; padding: 10px 20px; border-radius: var(--r-sm);
            &:hover { background: var(--blue-dark); color: #fff; }
        }
    }
    .menu-btn {
        display: none; border: 1px solid var(--line-3); background: none; border-radius: var(--r-sm);
        width: 42px; height: 42px; cursor: pointer; padding: 0;
        flex-direction: column; align-items: center; justify-content: center; gap: 5px;
        span { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; }
    }
}

#menu {
    position: fixed; inset: 0 0 0 auto; width: min(320px, 88vw); height: 100dvh;
    margin: 0; padding: 0; border: none; background: var(--bg);
    box-shadow: -18px 0 50px rgba(10,10,10,0.18);
    translate: 100% 0;
    transition: translate .28s ease, display .28s allow-discrete, overlay .28s allow-discrete;

    &:popover-open { translate: 0 0; }
    @starting-style { &:popover-open { translate: 100% 0; } }
    &::backdrop { background: rgba(10,10,10,0.45); backdrop-filter: blur(1px); }

    .menu-head {
        display: flex; align-items: center; justify-content: space-between;
        background: var(--ink); color: #fff; padding: 16px 20px;
        strong { font-size: 14px; font-weight: 700; letter-spacing: 0.08em; }
        button { border: none; background: none; color: #fff; font-size: 26px; line-height: 1; cursor: pointer; padding: 4px 8px; }
    }
    nav { display: flex; flex-direction: column;
        a { padding: 16px 22px; font-size: 15.5px; font-weight: 600; color: var(--ink); border-bottom: 1px solid var(--line);
            display: flex; justify-content: space-between; align-items: center;
            &::after { content: "\203A"; color: var(--blue); font-size: 19px; }
            &:hover { background: var(--bg-soft); color: var(--blue); }
        }
    }
}

@media (max-width: 880px) {
    zl-header {
        nav.desktop { display: none; }
        .menu-btn { display: flex; }
    }
}

zl-section {
    display: block; padding: 96px 0;
    &[soft] { background: var(--bg-soft); }
    &[dark] { background: var(--ink); }
    &[tight] { padding: 72px 0; }
    scroll-margin-top: 80px;
}

zl-heading {
    display: block;
    h1 { margin-top: 22px; font-size: clamp(38px, 5.2vw, 66px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.07;
        b { color: var(--blue); font-weight: inherit; } }
    h2 { margin-top: 16px; font-size: clamp(26px, 3.4vw, 42px); font-weight: 700; letter-spacing: -0.015em; line-height: 1.1; }
    &[hero] h1 { font-size: clamp(42px, 6.4vw, 84px); line-height: 1.05; margin-top: 24px; }
    .lead { margin-top: 24px; max-width: 640px; font-size: 17px; line-height: 1.65; color: var(--text-2); }
    [dark] & { h1, h2 { color: #fff; } .lead { color: var(--w-text-2); } }
}

zl-stats {
    display: flex; flex-wrap: wrap; gap: 40px 64px;
    zl-stat {
        display: block;
        b { display: block; font-size: 36px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; color: var(--ink);
            &[accent] { color: var(--blue); } }
        span { display: block; margin-top: 5px; font-size: 13.5px; color: var(--text-mut); }
    }
    &[compact] zl-stat b { font-size: 28px; font-weight: 800; }
}

path-card {
    position: relative; display: flex; flex-direction: column; gap: 8px;
    background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--r-md);
    padding: 22px 24px; transition: border-color .15s;
    &:hover { border-color: var(--blue); }
    b { font-size: 16px; font-weight: 700; }
    span { font-size: 13.5px; line-height: 1.55; color: var(--text-3); }
    a { font-size: 13.5px; font-weight: 600; color: var(--blue);
        &::after { content: ""; position: absolute; inset: 0; } }
}

core-card {
    display: flex; flex-direction: column; gap: 18px;
    background: var(--ink); border-radius: var(--r-lg); padding: 40px;
    .top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
    .num { font-size: 13px; font-weight: 700; letter-spacing: 0.1em; color: var(--blue-soft); font-variant-numeric: tabular-nums; }
    .tag { border: 1px solid rgba(255,255,255,0.22); border-radius: 99px; padding: 4px 12px; font-size: 10.5px; font-weight: 600; letter-spacing: 0.12em; color: #c8cdd8; }
    h3 { font-size: 27px; font-weight: 700; letter-spacing: -0.02em; color: #fff; }
    p { font-size: 15.5px; line-height: 1.65; color: var(--w-text-2); }
    ul { margin: 6px 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 12px;
        li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; line-height: 1.5; color: var(--w-text);
            &::before { content: ""; width: 6px; height: 6px; background: var(--blue-soft); margin-top: 8px; flex: none; } }
    }
}

side-card {
    display: flex; flex-direction: column; gap: 12px; flex: 1;
    background: var(--bg-soft); border-radius: var(--r-lg); padding: 30px;
    .top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
    .num { font-size: 13px; font-weight: 700; letter-spacing: 0.1em; color: var(--blue); font-variant-numeric: tabular-nums; }
    .tag { border: 1px solid var(--line-3); border-radius: 99px; padding: 4px 12px; font-size: 10.5px; font-weight: 600; letter-spacing: 0.12em; color: var(--text-3); }
    h3 { font-size: 20px; font-weight: 700; letter-spacing: -0.015em; }
    p { font-size: 14.5px; line-height: 1.6; color: var(--text-2); }
    a { font-size: 14px; font-weight: 600; }
}

mini-comp {
    display: block; border-top: 1px solid #e2e5ec; padding-top: 20px;
    .num { font-size: 12.5px; font-weight: 700; letter-spacing: 0.1em; color: var(--blue); }
    h4 { margin: 10px 0 8px; font-size: 16.5px; font-weight: 650; }
    p { font-size: 14px; line-height: 1.6; color: var(--text-3); }
}

case-card {
    display: flex; flex-direction: column; gap: 18px;
    background: var(--ink-2); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--r-lg); padding: 36px;
    .top { display: flex; align-items: center; justify-content: space-between; gap: 12px;
        b { font-size: 16px; font-weight: 700; color: #fff; }
        .tag { border: 1px solid rgba(255,255,255,0.18); border-radius: 99px; padding: 4px 12px; font-size: 10.5px; font-weight: 600; letter-spacing: 0.12em; color: var(--w-text-3); }
    }
    .metric { b { display: block; font-size: 60px; font-weight: 800; letter-spacing: -0.015em; color: var(--blue-soft); line-height: 1; }
        span { display: block; margin-top: 8px; font-size: 14px; color: var(--w-text-2); } }
    .metrics { display: flex; gap: 40px;
        b { display: block; font-size: 44px; font-weight: 800; letter-spacing: -0.015em; color: var(--blue-soft); line-height: 1; }
        span { display: block; margin-top: 8px; font-size: 14px; color: var(--w-text-2); } }
    p { font-size: 15px; line-height: 1.65; color: var(--w-text-2); }
    .cat { margin-top: auto; font-size: 12.5px; font-weight: 600; letter-spacing: 0.08em; color: var(--w-mut); }
}

zl-card {
    display: block; background: var(--bg-soft); border-radius: var(--r-md); padding: 28px;
    h3 { margin-bottom: 10px; font-size: 17px; font-weight: 700; }
    p { font-size: 14.5px; line-height: 1.6; color: var(--text-2); }
    &[bordered] { background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--r-lg);
        h3 { font-size: 17.5px; } }
    &[lg] { padding: 32px; border-radius: var(--r-lg);
        h3 { font-size: 19px; margin-bottom: 12px; } p { font-size: 15px; line-height: 1.65; } }
}

chat-demo {
    display: flex; flex-direction: column; gap: 12px;
    background: #0f1116; border-radius: 18px; padding: 26px;
    box-shadow: 0 24px 60px rgba(10,10,10,0.18);
    chat-msg {
        display: block; max-width: 84%; padding: 11px 15px; font-size: 14px; line-height: 1.55;
        border-radius: 15px 15px 15px 4px; background: #1d212b; color: var(--w-text); align-self: flex-start;
        &[user] { align-self: flex-end; background: var(--blue); color: #fff; border-radius: 15px 15px 4px 15px; }
    }
    chat-note { display: block; align-self: flex-start; font-size: 10px; font-weight: 600; letter-spacing: 0.1em; color: var(--w-mut); margin-top: 6px; }
    &[compact] { border-radius: var(--r-lg); padding: 20px; gap: 10px;
        chat-msg { font-size: 13.5px; padding: 10px 14px; } }
}

step-item {
    display: flex; gap: 28px; align-items: flex-start; padding: 26px 0; border-top: 1px solid var(--line);
    &:last-of-type { border-bottom: 1px solid var(--line); }
    .num { flex: none; width: 64px; font-size: 26px; font-weight: 800; letter-spacing: -0.02em; color: var(--blue); font-variant-numeric: tabular-nums; }
    h3 { margin-bottom: 8px; font-size: 18px; font-weight: 700; }
    p { max-width: 70ch; font-size: 15px; line-height: 1.65; color: var(--text-2); }
}

not-item {
    display: flex; gap: 14px; align-items: flex-start;
    border: 1px solid rgba(255,255,255,0.1); border-radius: var(--r-md); padding: 26px;
    &::before { content: "\2715"; color: var(--blue-soft); font-size: 17px; font-weight: 600; line-height: 1.3; flex: none; }
    span { font-size: 15.5px; line-height: 1.6; color: var(--w-text); }
}

faq-question {
    display: block; border-bottom: 1px solid var(--line-2);
    summary { cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px;
        padding: 20px 0; font-size: 17px; font-weight: 600;
        &::after { content: "+"; color: var(--blue); font-size: 22px; font-weight: 500; flex: none; transition: rotate .2s; } }
    details[open] summary::after { rotate: 45deg; }
    p { margin: 0 0 20px; font-size: 15.5px; line-height: 1.65; color: var(--text-2); max-width: 70ch; }
}

plan-card {
    display: flex; flex-direction: column; gap: 14px;
    background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--r-xl); padding: 32px;
    .tier { font-size: 12px; font-weight: 700; letter-spacing: 0.12em; color: var(--text-3); }
    h3 { font-size: 21px; font-weight: 700; letter-spacing: -0.015em; }
    p { font-size: 14.5px; line-height: 1.65; color: var(--text-2); }
    .cta { margin-top: auto; padding-top: 10px; }
    &[featured] { background: var(--ink); border-color: var(--ink);
        .tier { color: var(--blue-soft); } h3 { color: #fff; } p { color: var(--w-text-2); } }
}

product-card {
    display: flex; flex-direction: column; gap: 20px;
    background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--r-xl); padding: 36px;
    .top { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
        h3 { font-size: 23px; font-weight: 700; letter-spacing: -0.02em; }
        .tag { border: 1px solid var(--line-3); border-radius: 99px; padding: 4px 12px; font-size: 10.5px; font-weight: 600; letter-spacing: 0.12em; color: var(--text-3); } }
    p { font-size: 15px; line-height: 1.65; color: var(--text-2); }
    .facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
        div { background: var(--bg-soft); border-radius: var(--r-md); padding: 18px; }
        b { display: block; font-size: 22px; font-weight: 800; letter-spacing: -0.02em; color: var(--blue); }
        strong { display: block; font-size: 16px; font-weight: 700; margin-top: 4px; }
        span { display: block; margin-top: 5px; font-size: 13px; line-height: 1.5; color: var(--text-3); } }
    .tiers { display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
        span { background: #f0f2f7; border-radius: 7px; padding: 6px 12px; font-size: 13px; font-weight: 600; color: var(--ink-3); }
        i { font-style: normal; font-size: 13px; color: var(--text-mut); }
        a { font-size: 13.5px; font-weight: 600; } }
    .cta { margin-top: auto; }
}

case-study {
    display: flex; flex-wrap: wrap; gap: 48px; align-items: center;
    .txt { flex: 1 1 460px; display: flex; flex-direction: column; gap: 18px;
        h2 { font-size: clamp(28px, 3.5vw, 42px); font-weight: 700; letter-spacing: -0.015em; }
        p { font-size: 16px; line-height: 1.68; color: var(--text-2); } }
    .shot { flex: 1 1 440px;
        img { width: 100%; height: auto; border-radius: var(--r-lg); border: 1px solid var(--line-2); box-shadow: 0 24px 60px rgba(10,10,10,0.12); display: block; } }
    zl-stats { margin-top: 14px; padding-top: 22px; border-top: 1px solid var(--line); gap: 32px 48px; }
    &[reverse] { flex-wrap: wrap-reverse; }
}

small-case {
    display: block; border: 1px solid var(--line-2); border-radius: var(--r-md); padding: 24px;
    b { font-size: 15.5px; font-weight: 700; }
    span { display: block; margin-top: 8px; font-size: 13.5px; line-height: 1.55; color: var(--text-3); }
}

zl-contact {
    display: block; background: var(--blue); padding: 100px 0; text-align: center;
    h2 { font-size: clamp(32px, 4.2vw, 50px); font-weight: 800; letter-spacing: -0.015em; line-height: 1.05; color: #fff; }
    p { margin: 22px auto 0; max-width: 560px; font-size: 16.5px; line-height: 1.65; color: rgba(255,255,255,0.85); }
    crypted-email {
        display: inline-block; margin-top: 32px; font-size: clamp(26px, 4vw, 44px); font-weight: 700; letter-spacing: -0.02em;
        color: #fff; border-bottom: 2px solid rgba(255,255,255,0.4); padding-bottom: 4px;
        &:hover { border-bottom-color: #fff; }
    }
    .hint { margin-top: 16px; font-size: 13px; color: rgba(255,255,255,0.85); }
}

zl-footer {
    display: block; background: var(--ink); padding: 64px 0 40px;
    .cols { display: flex; flex-wrap: wrap; gap: 48px 64px; }
    .brand { flex: 1.6 1 280px; display: flex; flex-direction: column; gap: 16px;
        .logo { font-size: 17px; font-weight: 800; letter-spacing: 0.01em; color: #fff;
            b { color: var(--blue-soft); font-weight: inherit; } }
        p { max-width: 320px; font-size: 14px; line-height: 1.65; color: var(--w-text-3); }
        crypted-email { font-size: 15px; font-weight: 600; color: #c8cdd8; &:hover { color: #fff; } }
    }
    .col { flex: 1 1 150px;
        .head { font-size: 11px; font-weight: 600; letter-spacing: 0.12em; color: var(--w-mut); margin-bottom: 16px; }
        div { display: flex; flex-direction: column; gap: 11px; }
        a { font-size: 14px; color: var(--w-text-2); &:hover { color: #fff; } }
    }
    .bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
        margin-top: 52px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1);
        span { font-size: 13px; color: var(--w-mut); } }
}

.grid { display: grid; gap: 20px;
    &[c2] { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
    &[c3] { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
    &[c4] { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
    &[c4t] { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
    &[comp] { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px 24px; }
    &[feat] { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
    &[cards6] { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
}
.split { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px; }
.mt-20 { margin-top: 20px; } .mt-36 { margin-top: 36px; } .mt-40 { margin-top: 40px; }
.mt-44 { margin-top: 44px; } .mt-48 { margin-top: 48px; } .mt-56 { margin-top: 56px; }
.note { font-size: 14px; line-height: 1.65; color: var(--text-mut); max-width: 70ch; }
.note-dark { font-size: 14px; line-height: 1.7; color: var(--w-mut); }

@supports (animation-timeline: view()) {
    @media (prefers-reduced-motion: no-preference) {
        zl-section > zl-wrap > * {
            animation: zl-rise .6s ease both;
            animation-timeline: view();
            animation-range: entry 0% entry 42%;
        }
    }
}
@keyframes zl-rise {
    from { opacity: 0; translate: 0 22px; }
    to { opacity: 1; translate: 0 0; }
}

@media (max-width: 720px) {
    zl-wrap { padding: 0 20px; }
    zl-section { padding: 64px 0; &[tight] { padding: 52px 0; } }
    main > zl-section:first-child { padding-top: 40px !important; }
    zl-stats { gap: 24px 36px; zl-stat b { font-size: 28px; } }
    core-card { padding: 28px; h3 { font-size: 22px; } }
    zl-contact { padding: 72px 0; }
    case-card .metric b { font-size: 44px; }
    .metrics { gap: 28px; b { font-size: 36px; } }
}