:root {
    --security-blue: #0a3161;
    --security-blue-light: #14689b;
    --security-gold: #ffc30b;
    --security-bg: #f5f8fc;
    --security-text: #172033;
    --security-muted: #5f6b7a;
    --security-border: #dbe3ec;
    --security-white: #ffffff;
    --security-success: #157347;
    --security-shadow: 0 18px 45px rgba(10, 49, 97, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--security-text);
    background: var(--security-white);
    font-family: "Segoe UI", Arial, sans-serif;
}

main {
    overflow: hidden;
}

.security-hero {
    min-height: 720px;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    align-items: center;
    gap: 70px;
    padding: 110px 7%;
    background:
        radial-gradient(
            circle at 85% 20%,
            rgba(50, 169, 204, 0.18),
            transparent 32%
        ),
        linear-gradient(
            135deg,
            #f8fbff 0%,
            #eef5fb 55%,
            #e6f0f8 100%
        );
}

.security-hero__content {
    max-width: 740px;
}

.security-label {
    display: inline-block;
    margin-bottom: 18px;
    padding: 8px 14px;
    border: 1px solid rgba(10, 49, 97, 0.18);
    border-radius: 999px;
    color: var(--security-blue);
    background: rgba(255, 255, 255, 0.72);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.security-hero h1 {
    margin: 0;
    max-width: 760px;
    color: var(--security-blue);
    font-family: Baskerville, Georgia, serif;
    font-size: clamp(3rem, 6vw, 5.6rem);
    line-height: 0.98;
    letter-spacing: -0.045em;
}

.security-lead {
    max-width: 670px;
    margin: 28px 0 12px;
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    font-weight: 650;
    line-height: 1.4;
}

.security-description {
    max-width: 680px;
    margin: 0;
    color: var(--security-muted);
    font-size: 1.08rem;
    line-height: 1.75;
}

.security-form {
    max-width: 760px;
    margin-top: 34px;
}

.security-form label {
    display: block;
    margin-bottom: 10px;
    color: var(--security-blue);
    font-size: 0.95rem;
    font-weight: 700;
}

.security-form__controls {
    display: flex;
    gap: 12px;
    padding: 10px;
    border: 1px solid var(--security-border);
    border-radius: 18px;
    background: var(--security-white);
    box-shadow: var(--security-shadow);
}

.security-form input {
    min-width: 0;
    flex: 1;
    padding: 17px 18px;
    border: 0;
    outline: 0;
    color: var(--security-text);
    background: transparent;
    font: inherit;
    font-size: 1rem;
}

.security-form input::placeholder {
    color: #8c97a5;
}

.security-form button {
    flex: 0 0 auto;
    padding: 16px 24px;
    border: 0;
    border-radius: 12px;
    color: var(--security-white);
    background: linear-gradient(
        135deg,
        var(--security-blue),
        var(--security-blue-light)
    );
    font: inherit;
    font-weight: 750;
    cursor: pointer;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        opacity 0.2s ease;
}

.security-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(10, 49, 97, 0.2);
}

.security-form button:focus-visible,
.security-form input:focus-visible {
    outline: 3px solid rgba(255, 195, 11, 0.45);
    outline-offset: 2px;
}

.security-form__note {
    margin: 13px 0 0;
    color: var(--security-muted);
    font-size: 0.9rem;
}

.security-hero__image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.security-hero__image img {
    display: block;
    width: min(100%, 620px);
    height: auto;
    border-radius: 30px;
    object-fit: cover;
    box-shadow: 0 30px 70px rgba(10, 49, 97, 0.18);
}

.passive-analysis-notice {
    padding: 0 7%;
    background: var(--security-bg);
}

.passive-analysis-notice > div {
    position: relative;
    top: -38px;
    max-width: 1180px;
    margin: 0 auto;
    padding: 27px 30px;
    border-left: 6px solid var(--security-gold);
    border-radius: 18px;
    background: var(--security-white);
    box-shadow: var(--security-shadow);
}

.passive-analysis-notice strong {
    display: block;
    margin-bottom: 8px;
    color: var(--security-blue);
    font-size: 1.08rem;
}

.passive-analysis-notice p {
    margin: 0;
    color: var(--security-muted);
    line-height: 1.7;
}

.security-checks {
    padding: 90px 7% 120px;
    background: var(--security-bg);
}

.section-heading {
    max-width: 780px;
    margin: 0 auto 54px;
    text-align: center;
}

.section-heading > span {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--security-blue-light);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.section-heading h2 {
    margin: 0;
    color: var(--security-blue);
    font-family: Baskerville, Georgia, serif;
    font-size: clamp(2.2rem, 4vw, 3.8rem);
    line-height: 1.08;
}

.section-heading p {
    margin: 18px auto 0;
    color: var(--security-muted);
    font-size: 1.05rem;
    line-height: 1.75;
}

.security-checks__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.security-card {
    min-height: 220px;
    padding: 32px;
    border: 1px solid var(--security-border);
    border-radius: 22px;
    background: var(--security-white);
    box-shadow: 0 14px 34px rgba(10, 49, 97, 0.07);
    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease,
        border-color 0.25s ease;
}

.security-card:hover {
    transform: translateY(-6px);
    border-color: rgba(20, 104, 155, 0.35);
    box-shadow: 0 22px 48px rgba(10, 49, 97, 0.12);
}

.security-card::before {
    content: "";
    display: block;
    width: 44px;
    height: 5px;
    margin-bottom: 24px;
    border-radius: 999px;
    background: var(--security-gold);
}

.security-card h3 {
    margin: 0 0 14px;
    color: var(--security-blue);
    font-size: 1.28rem;
}

.security-card p {
    margin: 0;
    color: var(--security-muted);
    line-height: 1.7;
}

.security-disclaimer {
    max-width: 1120px;
    margin: 30px auto;
    padding: 20px 55px;
    border-radius: 26px;
    color: var(--security-white);
    background:
        radial-gradient(
            circle at top right,
            rgba(50, 169, 204, 0.35),
            transparent 35%
        ),
        linear-gradient(
            135deg,
            #071d39,
            var(--security-blue)
        );
    box-shadow: 0 24px 60px rgba(10, 49, 97, 0.18);
}

.security-disclaimer h2 {
    margin: 0 0 15px;
    font-family: Baskerville, Georgia, serif;
    font-size: clamp(2rem, 4vw, 3rem);
}

.security-disclaimer p {
    max-width: 850px;
    margin: 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: 1.05rem;
    line-height: 1.8;
    
}

@media (max-width: 1050px) {
    .security-hero {
        grid-template-columns: 1fr;
        gap: 50px;
        padding-top: 90px;
        text-align: center;
    }

    .security-hero__content {
        max-width: 850px;
        margin: 0 auto;
    }

    .security-lead,
    .security-description,
    .security-form {
        margin-right: auto;
        margin-left: auto;
    }

    .security-form label {
        text-align: left;
    }

    .security-hero__image img {
        max-width: 720px;
    }

    .security-checks__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .security-hero {
        min-height: auto;
        padding: 75px 20px 90px;
    }

    .security-hero h1 {
        font-size: clamp(2.7rem, 14vw, 4.2rem);
    }

    .security-lead {
        font-size: 1.2rem;
    }

    .security-form__controls {
        flex-direction: column;
        padding: 8px;
    }

    .security-form button {
        width: 100%;
    }

    .passive-analysis-notice,
    .security-checks {
        padding-right: 20px;
        padding-left: 20px;
    }

    .passive-analysis-notice > div {
        top: -26px;
        padding: 24px;
    }

    .security-checks {
        padding-top: 60px;
        padding-bottom: 80px;
    }

    .security-checks__grid {
        grid-template-columns: 1fr;
    }

    .security-card {
        min-height: auto;
        padding: 28px;
    }
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    .security-disclaimer {
        margin: 20px;
        padding: 28px;
        background: transparent;
    }
}