.iso-certificate-page {
    background: #f5f7fb;
    color: #1d2940;
}

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

.iso-hero {
    padding: 72px 0 64px;
    background:
        linear-gradient(135deg, rgba(12, 18, 41, 0.96),
        rgba(45, 76, 180, 0.9));
    color: #ffffff;
    text-align: center;
}

.iso-hero__inner {
    max-width: 850px;
}

.iso-eyebrow {
    margin: 0 0 12px;
    color: #c9d5ff;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.iso-hero h1 {
    margin: 0;
    color: #ffffff;
    font-size: clamp(2.2rem, 5vw, 4rem);
    line-height: 1.08;
}

.iso-hero__summary {
    max-width: 740px;
    margin: 22px auto 0;
    color: #eef2ff;
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.65;
}

.iso-certificate {
    padding: 64px 0 80px;
}

.iso-certificate__intro {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.iso-certificate__intro h2 {
    margin: 0 0 16px;
    color: #2d4cb4;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.iso-certificate__intro p {
    margin: 0;
    color: #4a5568;
    font-size: 1.08rem;
    line-height: 1.75;
}

.iso-certificate__actions {
    display: flex;
    justify-content: center;
    margin: 30px 0;
}

.iso-button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: 2px solid transparent;
    border-radius: 6px;
    font-weight: 700;
    text-decoration: none;
    transition: background-color 160ms ease, border-color 160ms ease,
        color 160ms ease, transform 160ms ease;
}

.iso-button--primary {
    background: #2d4cb4;
    color: #ffffff;
}

.iso-button--primary:hover,
.iso-button--primary:focus-visible {
    background: #1f388e;
    color: #ffffff;
    transform: translateY(-1px);
}

.iso-button:focus-visible,
.iso-certificate__document a:focus-visible {
    outline: 3px solid #f7b32b;
    outline-offset: 4px;
}

.iso-certificate__document {
    max-width: 980px;
    margin: 0 auto;
    padding: 20px;
    border: 1px solid #d9dfeb;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 18px 50px rgba(12, 18, 41, 0.12);
}

.iso-certificate__document a {
    display: block;
}

.iso-certificate__document img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid #e1e5ec;
}

.iso-certificate__document figcaption {
    padding: 16px 8px 0;
    color: #596579;
    font-size: 0.92rem;
    text-align: center;
}

@media (max-width: 640px) {
    .iso-container {
        width: min(100% - 28px, 1120px);
    }

    .iso-hero {
        padding: 56px 0 48px;
    }

    .iso-certificate {
        padding: 48px 0 64px;
    }

    .iso-certificate__document {
        padding: 10px;
        border-radius: 8px;
    }

    .iso-button {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .iso-button {
        transition: none;
    }
}