:root {
    --bo-primary: #0a84ff;
    --bo-primary-hover: #0076f2;
    --bo-primary-active: #0067d4;
    --bo-text: #111827;
    --bo-muted: #5f6b7a;
    --bo-border: #dfe5ec;
    --bo-card: #ffffff;
    --bo-bg: #f6f8fb;
    --bo-surface: #ffffff;
    --bo-success: #16a34a;
    --bo-warning: #ea580c;
    --bo-error: #dc2626;
    --bo-radius-lg: 18px;
    --bo-radius-md: 14px;
    --bo-shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.06);
    --bo-shadow-light: 0 4px 14px rgba(15, 23, 42, 0.05);
}

/* Page shell */

.bo-hosting-checker-page {
    max-width: 980px;
    margin: 0 auto;
    padding: 28px 18px 60px;
    color: var(--bo-text);
}

/* Hero: centered title, subtitle, input, button */

.bo-tool-hero {
    background: var(--bo-surface);
    border: 1px solid var(--bo-border);
    border-radius: 22px;
    padding: 30px 32px 32px;
    box-shadow: var(--bo-shadow-soft);
    text-align: center;
}

.bo-tool-hero h1 {
    margin: 0 0 14px;
    font-size: clamp(34px, 4.6vw, 50px);
    line-height: 1.06;
    letter-spacing: -0.03em;
    font-weight: 800;
}

.bo-tool-hero > p {
    margin: 0 auto 28px;
    max-width: 820px;
    font-size: 18px;
    line-height: 1.7;
    color: var(--bo-muted);
}

/* Form */

.bo-hosting-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    max-width: 820px;
    margin: 0 auto 18px;
    text-align: left;
}

/* We use placeholder-only label for the minimalist look */

.bo-field-label {
    display: none;
}

.bo-hosting-form input[type="text"] {
    width: 100%;
    min-height: 58px;
    padding: 16px 18px;
    border: 1px solid var(--bo-border);
    border-radius: 12px;
    background: #ffffff;
    font-size: 17px;
    color: var(--bo-text);
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.bo-hosting-form input[type="text"]::placeholder {
    color: #98a2b3;
}

.bo-hosting-form input[type="text"]:focus {
    border-color: var(--bo-primary);
    box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.16);
}

/* Primary button – bright blue like your screenshot */

.bo-hosting-check-btn {
    width: 100%;
    min-height: 60px;
    padding: 0 24px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(180deg, #0a84ff 0%, #0076f2 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0 8px 18px rgba(0, 118, 242, 0.24);
    transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, opacity 0.2s ease;
}

.bo-hosting-check-btn:hover {
    background: linear-gradient(180deg, #0076f2 0%, #0067d4 100%);
    box-shadow: 0 10px 22px rgba(0, 118, 242, 0.30);
    transform: translateY(-1px);
}

.bo-hosting-check-btn:active {
    transform: translateY(0);
    box-shadow: 0 6px 14px rgba(0, 118, 242, 0.22);
}

.bo-hosting-check-btn:focus-visible,
.bo-related-tool-card:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.18);
}

.bo-hosting-check-btn:disabled {
    opacity: 0.75;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Result area */

.bo-hosting-result {
    margin-top: 18px;
    text-align: left;
}

.bo-loading,
.bo-result-card {
    background: var(--bo-card);
    border: 1px solid var(--bo-border);
    border-radius: var(--bo-radius-lg);
    padding: 18px 20px;
    box-shadow: var(--bo-shadow-light);
}

.bo-loading {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--bo-muted);
    font-weight: 600;
}

.bo-result-card {
    font-size: 15px;
    line-height: 1.7;
}

.bo-result-card strong {
    color: var(--bo-text);
}

/* Hosting provider and confidence tags */

.bo-hosting-provider {
    font-weight: 700;
    color: var(--bo-primary);
}

.bo-confidence-high {
    color: var(--bo-success);
    font-weight: 700;
}

.bo-confidence-medium {
    color: var(--bo-warning);
    font-weight: 700;
}

.bo-confidence-low {
    color: var(--bo-error);
    font-weight: 700;
}

/* Detection signals */

.bo-signal-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 8px 8px 0 0;
    padding: 7px 11px;
    border-radius: 999px;
    background: #eef7fb;
    color: #0b5f84;
    font-size: 13px;
    line-height: 1;
    white-space: nowrap;
}

/* Review box */

.bo-hosting-review-box {
    margin-top: 18px;
    padding: 16px;
    border-radius: 14px;
    background: #f7fbfd;
    border: 1px solid #dbeaf2;
}

.bo-hosting-review-link {
    display: inline-flex;
    margin-top: 8px;
    color: var(--bo-primary);
    font-weight: 700;
    text-decoration: none;
}

.bo-hosting-review-link:hover {
    text-decoration: underline;
}

/* Body / About / FAQ / Related tools */

.bo-tool-body {
    margin-top: 28px;
    background: var(--bo-surface);
    border: 1px solid var(--bo-border);
    border-radius: 22px;
    padding: 28px 30px;
    box-shadow: var(--bo-shadow-soft);
    text-align: left;
}

.bo-tool-body h2,
.bo-tool-body h3,
.bo-tool-body h4 {
    margin-top: 0;
    line-height: 1.2;
}

.bo-tool-body h2 {
    font-size: clamp(24px, 3vw, 32px);
    margin-bottom: 14px;
    text-align: center;
}

.bo-tool-body h3 {
    font-size: 22px;
    margin: 26px 0 14px;
}

.bo-tool-body p {
    color: var(--bo-text);
    line-height: 1.75;
    margin: 0 0 14px;
}

.bo-tool-list {
    margin: 0 0 14px 20px;
    padding: 0;
    color: var(--bo-text);
    line-height: 1.7;
}

.bo-tool-list li {
    margin-bottom: 8px;
}

/* FAQ cards */

.bo-faq {
    margin-top: 12px;
    padding: 16px;
    border: 1px solid var(--bo-border);
    border-radius: 14px;
    background: #fafafa;
}

.bo-faq h4 {
    margin-bottom: 8px;
    font-size: 18px;
}

/* Related tools */

.bo-related-tools {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 16px;
}

.bo-related-tool-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px;
    border: 1px solid var(--bo-border);
    border-radius: 14px;
    background: #ffffff;
    text-decoration: none;
    color: var(--bo-text);
    transition: transform 0.15s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.bo-related-tool-card strong {
    font-size: 15px;
}

.bo-related-tool-card span {
    color: var(--bo-muted);
    font-size: 13px;
}

.bo-related-tool-card:hover {
    transform: translateY(-1px);
    border-color: rgba(10, 132, 255, 0.28);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}

/* Responsive */

@media (max-width: 860px) {
    .bo-hosting-checker-page {
        padding: 18px 12px 44px;
    }

    .bo-tool-hero,
    .bo-tool-body {
        padding: 22px 18px;
        border-radius: 18px;
    }

    .bo-tool-hero > p {
        font-size: 16px;
        line-height: 1.6;
    }

    .bo-hosting-form input[type="text"],
    .bo-hosting-check-btn {
        min-height: 54px;
        font-size: 16px;
    }

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

@media (max-width: 560px) {
    .bo-tool-hero h1 {
        font-size: clamp(28px, 10vw, 38px);
    }

    .bo-tool-hero > p {
        font-size: 15px;
    }

    .bo-hosting-form input[type="text"] {
        min-height: 52px;
        padding: 14px 15px;
    }

    .bo-hosting-check-btn {
        min-height: 54px;
        font-size: 15px;
    }

    .bo-result-card,
    .bo-loading {
        padding: 16px;
    }

    .bo-faq {
        padding: 14px;
    }
}