/*
*
*
*
*/

.section-1200max {
    max-width: 1200px;
    margin: auto;
}


/* ============================================================
   LANDING — SECTIONS
============================================================ */


.landing-section {
    margin-top: 90px;
}

.landing-section__head {
    max-width: 700px;
    margin-bottom: 30px;
}

.landing-section__eyebrow {
    margin-bottom: 10px;

    color: var(--accent);

    font-size: 11px;
    font-weight: 750;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.landing-section__title {
    margin: 0;

    font-size: clamp(30px, 4vw, 46px);
    line-height: 1.08;
    letter-spacing: -.03em;
    font-weight: 800;
}

.landing-section__text {
    margin: 15px 0 0;

    color: var(--text-muted);

    font-size: 15px;
    line-height: 1.7;
}



/* ============================================================
   LANDING — HERO
============================================================ */

.landing {
    padding: 0;
}

.landing-hero {
    padding: 72px 0 80px;
    text-align: center;
}

.landing-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;

    margin-bottom: 22px;
    padding: 8px 14px;

    border: 1px solid var(--accent-border);
    border-radius: 999px;

    color: var(--accent);
    background: var(--accent-soft);

    font-size: 12px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.landing-hero__eyebrow::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--success);
}

.landing-hero__title {
    max-width: 900px;
    margin: 0 auto;

    font-size: clamp(44px, 7vw, 82px);
    line-height: .98;
    letter-spacing: -.035em;
    font-weight: 800;
}

.landing-hero__title span {
    color: transparent;
    background: linear-gradient(
        100deg,
        #ffffff 0%,
        #b9b3ff 45%,
        #8a83e8 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
}

.landing-hero__text {
    max-width: 720px;
    margin: 26px auto 0;

    color: var(--text-soft);

    font-size: clamp(16px, 1.4vw, 19px);
    line-height: 1.7;
}

.landing-hero__actions {
    display: flex;
    justify-content: center;
    gap: 12px;

    margin-top: 32px;
}

/* ============================================================
   LANDING — BUTTONS
============================================================ */

.landing-button {
    position: relative;
    overflow: hidden;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;

    min-height: 54px;
    padding: 0 22px;

    border: 1px solid color-mix(in srgb, var(--accent) 68%, #000 32%);
    border-radius: var(--radius-sm);

    color: #fff;

    background:
        linear-gradient(
            180deg,
            color-mix(in srgb, var(--accent) 88%, #fff 12%),
            var(--accent)
        );

    text-decoration: none;

    font-size: 14px;
    font-weight: 750;
    letter-spacing: .01em;
    white-space: nowrap;

    box-shadow:
        0 1px 0 rgba(255, 255, 255, .18) inset,
        0 10px 24px -8px color-mix(in srgb, var(--accent) 60%, transparent),
        0 1px 2px rgba(11, 11, 15, .08);

    transition:
        background var(--dur) var(--ease),
        border-color var(--dur) var(--ease),
        box-shadow var(--dur) var(--ease),
        transform var(--dur) var(--ease);
}

.landing-button:hover {
    border-color: color-mix(in srgb, var(--accent) 45%, #000 55%);

    background:
        linear-gradient(
            180deg,
            var(--accent-hover),
            color-mix(in srgb, var(--accent-hover) 88%, #000 12%)
        );

    transform: translateY(-2px);
}

.landing-button:hover::before {
    left: 120%;
}

.landing-button:active {
    transform: translateY(0);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, .12) inset,
        0 4px 10px -4px color-mix(in srgb, var(--accent) 50%, transparent),
        0 1px 2px rgba(11, 11, 15, .08);
}

.landing-button:focus-visible {
    outline: none;
    box-shadow:
        0 0 0 4px color-mix(in srgb, var(--accent) 24%, transparent),
        0 1px 0 rgba(255, 255, 255, .18) inset,
        0 10px 24px -8px color-mix(in srgb, var(--accent) 60%, transparent);
}

/* ============================================================
   LANDING — FEATURES
============================================================ */

.landing-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.landing-card {
    position: relative;

    padding: 27px;

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

    background:
        linear-gradient(
            180deg,
            rgba(255, 255, 255, .03),
            transparent 60%
        ),
        var(--panel);

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

    transition:
        border-color var(--dur) var(--ease),
        box-shadow var(--dur) var(--ease),
        transform var(--dur) var(--ease);
}

.landing-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.landing-card__icon {
    width: 45px;
    height: 45px;

    display: grid;
    place-items: center;

    margin-bottom: 20px;

    border: 1px solid var(--accent-border);
    border-radius: 13px;

    color: var(--accent);
    background: var(--accent-soft);
}

.landing-card__title {
    margin: 0 0 9px;

    font-size: 17px;
    font-weight: 750;
    letter-spacing: -.02em;
}

.landing-card__text {
    margin: 0;

    color: var(--text-muted);

    font-size: 13px;
    line-height: 1.65;
}

/* ============================================================
   LANDING — PURPOSE
============================================================ */

.purpose-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.purpose-card {
    position: relative;

    min-height: 190px;
    padding: 27px;

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

    background: var(--panel-2);

    transition:
        border-color var(--dur) var(--ease),
        background var(--dur) var(--ease),
        transform var(--dur) var(--ease);
}

.purpose-card:hover {
    border-color: var(--border-strong);
    background: var(--panel);
    transform: translateY(-2px);
}

.purpose-card__number {
    display: block;
    margin-bottom: 28px;

    color: var(--text-faint);

    font-family:
        "SFMono-Regular",
        Consolas,
        "Liberation Mono",
        monospace;

    font-size: 12px;
    font-weight: 700;
    letter-spacing: .05em;
}

.purpose-card__title {
    margin: 0 0 9px;

    font-size: 17px;
    font-weight: 750;
    letter-spacing: -.02em;
}

.purpose-card__text {
    max-width: 520px;
    margin: 0;

    color: var(--text-muted);

    font-size: 13px;
    line-height: 1.65;
}

/* ============================================================
   LANDING — STEPS
============================================================ */

.landing-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.landing-step {
    position: relative;

    min-height: 220px;
    padding: 24px;

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

    background: var(--panel-2);

    transition:
        border-color var(--dur) var(--ease),
        background var(--dur) var(--ease);
}

.landing-step:hover {
    border-color: var(--border-strong);
    background: var(--panel);
}

.landing-step__number {
    margin-bottom: 45px;

    color: var(--accent);
    opacity: .7;

    font-family:
        "SFMono-Regular",
        Consolas,
        "Liberation Mono",
        monospace;

    font-size: 12px;
    font-weight: 700;
    letter-spacing: .05em;
}

.landing-step__title {
    margin: 0 0 9px;

    font-size: 17px;
    font-weight: 750;
    letter-spacing: -.02em;
}

.landing-step__text {
    margin: 0;

    color: var(--text-muted);

    font-size: 13px;
    line-height: 1.6;
}

/* ============================================================
   LANDING — ALGORITHM
============================================================ */

.algorithm {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 10px;

    padding: 10px;

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

    background: var(--panel);
    box-shadow: var(--shadow-sm);
}

.algorithm__description {
    padding: 28px;
}

.algorithm__description h3 {
    margin: 0 0 12px;

    font-size: 20px;
    font-weight: 750;
    letter-spacing: -.02em;
}

.algorithm__description p {
    margin: 0;

    color: var(--text-muted);

    font-size: 14px;
    line-height: 1.7;
}

.algorithm__code {
    display: flex;
    align-items: center;

    min-height: 250px;
    padding: 32px;

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

    background: var(--bg-soft);

    overflow: auto;
}

.algorithm__code pre {
    margin: 0;

    color: var(--text-soft);

    font-family:
        "SFMono-Regular",
        Consolas,
        "Liberation Mono",
        monospace;

    font-size: 13px;
    line-height: 1.9;
    white-space: pre-wrap;
}

.algorithm__code .accent {
    color: var(--accent);
    font-weight: 700;
}

.algorithm__code .green {
    color: var(--success);
    font-weight: 700;
}

/* ============================================================
   LANDING — SECURITY
============================================================ */

.security-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.security-card {
    padding: 27px;

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

    background: var(--panel-2);

    transition:
        border-color var(--dur) var(--ease),
        background var(--dur) var(--ease);
}

.security-card:hover {
    border-color: var(--border-strong);
    background: var(--panel);
}

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

    margin: 0 0 12px;

    font-size: 17px;
    font-weight: 750;
    letter-spacing: -.02em;
}

.security-card__title svg {
    flex: 0 0 auto;
    color: var(--success);
}

.security-card__text {
    margin: 0;

    color: var(--text-muted);

    font-size: 13px;
    line-height: 1.7;
}

/* ============================================================
   LANDING — PROFILES
============================================================ */

.profiles {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.profile-card {
    padding: 23px;

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

    background: var(--panel-2);

    transition:
        border-color var(--dur) var(--ease),
        background var(--dur) var(--ease);
}

.profile-card:hover {
    border-color: var(--border-strong);
    background: var(--panel);
}

.profile-card__name {
    margin: 0 0 7px;

    font-size: 16px;
    font-weight: 750;
    letter-spacing: -.02em;
}

.profile-card__length {
    color: var(--accent);

    font-family:
        "SFMono-Regular",
        Consolas,
        "Liberation Mono",
        monospace;

    font-size: 13px;
    font-weight: 700;
}

.profile-card__text {
    margin: 12px 0 0;

    color: var(--text-muted);

    font-size: 12px;
    line-height: 1.6;
}

/* ============================================================
   LANDING — TESTS
============================================================ */

.landing-tests {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.landing-test {
    padding: 19px;
    border: 1px solid #48d7a926;
    border-radius: var(--radius);
    background: #36ddb40f;
}

.landing-test__ok {
    display: block;
    margin-bottom: 10px;

    color: var(--success);

    font-size: 17px;
    font-weight: 800;
}

.landing-test__text {
    color: var(--text-soft);

    font-size: 12px;
    line-height: 1.55;
}

/* ============================================================
   LANDING — CTA
============================================================ */

.landing-cta {
    position: relative;

    margin-top: 100px;
    padding: 65px 30px;

    border: 1px solid var(--accent-border);
    border-radius: var(--radius-lg);

    background:
        radial-gradient(
            700px 340px at 50% 0%,
            rgba(138, 131, 232, .18),
            transparent 70%
        ),
        var(--panel);

    text-align: center;

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

.landing-cta h2 {
    margin: 0;

    font-size: clamp(30px, 4vw, 46px);
    font-weight: 800;
    letter-spacing: -.03em;
}

.landing-cta p {
    max-width: 600px;
    margin: 15px auto 27px;

    color: var(--text-soft);

    font-size: 14px;
    line-height: 1.7;
}

.landing-cta .site-button + .site-button {
    margin-left: 10px;
}

/* ============================================================
   LANDING — DISCLAIMER
============================================================ */

.landing-disclaimer {
    margin-top: 35px;
    padding: 22px 24px;

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

    background: var(--danger-soft);
}

.landing-disclaimer h3 {
    margin: 0 0 9px;

    color: var(--danger);

    font-size: 14px;
    font-weight: 750;
}

.landing-disclaimer p {
    margin: 0;

    color: var(--text-muted);

    font-size: 12px;
    line-height: 1.65;
}

/**
*
*
*
*/

.site-button--ghost {
    border-color: hsl(244.2deg 69.44% 71.76% / 24%);
    background: #161920;
    color: #fff;
    box-shadow: none;
}

.site-button--ghost:hover {
    background: #161920;
    transform: translateY(-2px);
}

.site-button--ghost:active {
    transform: translateY(0);
}

.site-button--ghost:focus-visible {
    outline: none;
}

/* ============================================================
   LANDING — колонка сайдбара (≥ 991px)
============================================================ */

@media (min-width: 991px) {

    body > .landing {
        grid-column: 2;
        grid-row: 1;

        width: 100%;
        max-width: none;

        padding: 0;
        margin: 0;
    }

    body > .landing > .container {
        width: 100%;
        max-width: 1500px;
        padding: 40px 56px 96px;
        margin: auto;
    }
}

@media (min-width: 1400px) {

    body > .landing > .container {
        padding: 56px 72px 110px;
    }
}

@media (max-width: 990px) {

    body > .landing {
        padding: 0;
    }

    body > .landing > .container {
        width: min(1240px, calc(100% - 40px));
        padding: 40px 0 80px;
        margin: 0 auto;
    }
}

/* ============================================================
   LANDING — MOBILE
============================================================ */

@media (max-width: 900px) {

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

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

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

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

@media (max-width: 700px) {

    .landing-hero {
        padding: 45px 0 55px;
    }

    .landing-hero__title {
        font-size: 42px;
    }

    .landing-hero__text {
        font-size: 15px;
    }

    .landing-hero__actions {
        flex-direction: column;
    }

    .site-button {
        width: 100%;
    }

    .landing-section {
        margin-top: 64px;
    }

    .landing-features,
    .landing-steps,
    .security-grid,
    .profiles,
    .landing-tests,
    .purpose-grid {
        grid-template-columns: 1fr;
    }

    .landing-step,
    .purpose-card {
        min-height: auto;
    }

    .landing-step__number,
    .purpose-card__number {
        margin-bottom: 22px;
    }

    .algorithm__description,
    .algorithm__code {
        padding: 22px;
    }

    .algorithm__code {
        min-height: 200px;
    }

    .landing-cta {
        margin-top: 70px;
        padding: 45px 22px;
    }

    .landing-cta .site-button + .site-button {
        margin-left: 0;
        margin-top: 10px;
    }

    .landing-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .landing-footer__text {
        text-align: left;
    }

    body > .landing > .container {
        width: calc(100% - 24px);
        padding: 32px 0 72px;
    }
}



.landing-button--ghost {
border-color: hsl(244.2deg 69.44% 71.76% / 24%);
background: #161920;
color: #fff;
box-shadow: none;
}

.landing-button--ghost {
background: #161920;
transform: translateY(-2px);
}

.landing-button--ghost {
transform: translateY(0);
}

.landing-button--ghost {
outline: none;
}