#main-content {
    min-height: 60vh;
}

.fex-seo-intro {
    width: min(calc(100% - 32px), 900px);
    margin: 0 auto;
    padding: 54px 0 18px;
    text-align: center;
}

.fex-seo-intro h1 {
    max-width: 820px;
    margin: 0 auto 16px;
    color: var(--fex-color-heading);
    font-size: clamp(2rem, 5vw, 3.35rem);
    line-height: 1.08;
    letter-spacing: -0.045em;
}

.fex-seo-intro h1::after {
    content: "";
    display: block;
    width: 56px;
    height: 4px;
    margin: 18px auto 0;
    border-radius: var(--fex-radius-full);
    background: linear-gradient(
        90deg,
        var(--fex-color-primary),
        var(--fex-color-accent)
    );
}

.fex-seo-intro p {
    max-width: 760px;
    margin: 0 auto;
    color: var(--fex-color-text-muted);
    font-size: clamp(0.95rem, 2vw, 1.05rem);
    line-height: 1.75;
}

.fex-generator,
.fex-tool,
.fex-generator-card {
    width: min(calc(100% - 32px), 1000px);
    margin-inline: auto;
    box-sizing: border-box;
}

.fex-card,
.fex-panel {
    border: 1px solid var(--fex-color-border);
    border-radius: var(--fex-radius-2xl);
    background: var(--fex-color-surface);
    box-shadow: var(--fex-shadow-sm);
}

.fex-generator textarea,
.fex-tool textarea,
.fex-generator input[type="text"],
.fex-tool input[type="text"] {
    width: 100%;
    box-sizing: border-box;
    min-height: 120px;
    padding: 16px;
    border: 1px solid var(--fex-color-border);
    border-radius: var(--fex-radius-lg);
    background: var(--fex-color-surface-soft);
    color: var(--fex-color-text);
    font-size: 1rem;
    line-height: 1.65;
    resize: vertical;
    transition:
        border-color var(--fex-transition-fast),
        box-shadow var(--fex-transition-fast),
        background-color var(--fex-transition-fast);
}

.fex-generator textarea:focus,
.fex-tool textarea:focus,
.fex-generator input[type="text"]:focus,
.fex-tool input[type="text"]:focus {
    border-color: var(--fex-color-primary);
    background: var(--fex-color-surface);
    box-shadow: 0 0 0 4px rgba(109, 93, 252, 0.10);
    outline: none;
}

.fex-result,
.fex-results {
    margin-top: 20px;
}

.fex-result-item,
.fex-output {
    border: 1px solid var(--fex-color-border);
    border-radius: var(--fex-radius-lg);
    background: var(--fex-color-surface);
    transition:
        transform var(--fex-transition-fast),
        border-color var(--fex-transition-fast),
        box-shadow var(--fex-transition-fast);
}

.fex-result-item:hover,
.fex-output:hover {
    border-color: var(--fex-color-primary);
    box-shadow: var(--fex-shadow-sm);
    transform: translateY(-1px);
}

.fex-section {
    width: min(
        calc(100% - 32px),
        var(--fex-container-page)
    );
    margin: 42px auto 0;
}

.fex-section-title {
    margin-bottom: 8px;
    color: var(--fex-color-heading);
    font-size: clamp(1.35rem, 3vw, 1.8rem);
}

.fex-section-description {
    max-width: 720px;
    margin-bottom: 22px;
    color: var(--fex-color-text-muted);
    line-height: 1.7;
}

.fex-tools-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.fex-tool-card {
    min-height: 150px;
    padding: 22px;
    border: 1px solid var(--fex-color-border);
    border-radius: var(--fex-radius-xl);
    background: var(--fex-color-surface);
    box-shadow: var(--fex-shadow-xs);
    transition:
        transform var(--fex-transition-normal),
        border-color var(--fex-transition-normal),
        box-shadow var(--fex-transition-normal);
}

.fex-tool-card:hover {
    border-color: rgba(109, 93, 252, 0.35);
    box-shadow: var(--fex-shadow-md);
    transform: translateY(-3px);
}

.fex-tool-card__icon {
    display: inline-grid;
    width: 42px;
    height: 42px;
    margin-bottom: 16px;
    place-items: center;
    border-radius: 12px;
    background: var(--fex-color-primary-soft);
    color: var(--fex-color-primary);
    font-size: 1.2rem;
}

.fex-tool-card h3 {
    margin-bottom: 7px;
}

.fex-tool-card p {
    margin: 0;
    color: var(--fex-color-text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.fex-seo-content {
    width: min(
        calc(100% - 32px),
        1000px
    );
    margin: 58px auto 0;
    padding: 0 0 30px;
    color: var(--fex-color-text);
}

.fex-seo-content h2 {
    max-width: 900px;
    margin: 0 0 10px;
    color: var(--fex-color-heading);
    font-size: clamp(1.45rem, 3vw, 2rem);
    line-height: 1.3;
    letter-spacing: -0.025em;
}

.fex-seo-content h2:not(:first-child) {
    margin-top: 36px;
}

.fex-seo-content p {
    max-width: 900px;
    margin: 0;
    color: var(--fex-color-text-muted);
    font-size: 1rem;
    line-height: 1.75;
}

@media (max-width: 800px) {
    .fex-tools-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .fex-seo-intro {
        padding-top: 36px;
    }

    .fex-seo-intro h1 {
        font-size: clamp(1.8rem, 9vw, 2.4rem);
    }

    .fex-section {
        margin-top: 32px;
    }

    .fex-tools-grid {
        grid-template-columns: 1fr;
    }

    .fex-seo-content {
        width: calc(100% - 32px);
        margin-top: 46px;
        padding-bottom: 20px;
    }

    .fex-seo-content h2 {
        font-size: 1.45rem;
        line-height: 1.3;
    }

    .fex-seo-content h2:not(:first-child) {
        margin-top: 30px;
    }

    .fex-seo-content p {
        font-size: 0.95rem;
        line-height: 1.7;
    }
}