/* Interactive Tools hub + AI ROI calculator */
.tools-hub { position: relative; }
.tools-hero {
    position: relative;
    padding: clamp(4rem, 8vw, 6.5rem) 0 3.5rem;
    overflow: hidden;
    background: linear-gradient(165deg, #0b1220 0%, #12203a 48%, #0e1a2e 100%);
    color: #f8fafc;
}
.tools-hero__mesh {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 15% 20%, rgba(56, 189, 248, 0.14), transparent 55%),
        radial-gradient(ellipse 50% 40% at 85% 70%, rgba(16, 185, 129, 0.1), transparent 50%);
    pointer-events: none;
}
.tools-hero__inner { position: relative; z-index: 1; max-width: 44rem; }
.tools-hero__crumbs { margin-bottom: 1.25rem; }
.tools-hero__crumbs a { color: rgba(248,250,252,0.7); }
.tools-hero__eyebrow {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase;
    color: #7dd3fc; margin-bottom: 1rem;
}
.tools-hero__eyebrow-dot {
    width: 0.5rem; height: 0.5rem; border-radius: 50%;
    background: #38bdf8; box-shadow: 0 0 0 4px rgba(56,189,248,0.2);
}
.tools-hero__title {
    font-family: var(--ff-display, "Sora", sans-serif);
    font-size: clamp(2.1rem, 5vw, 3.4rem);
    font-weight: 700; letter-spacing: -0.03em; line-height: 1.1;
    margin: 0 0 1rem;
}
.tools-hero__title em { font-style: normal; color: #67e8f9; }
.tools-hero__desc {
    font-size: 1.05rem; line-height: 1.65;
    color: rgba(248,250,252,0.78); max-width: 42ch; margin: 0 0 2rem;
}
.tools-hero__stats {
    display: flex; flex-wrap: wrap; gap: 2rem;
}
.tools-hero__stat-value {
    font-size: 1.75rem; font-weight: 800; letter-spacing: -0.02em;
}
.tools-hero__stat-label {
    font-size: 0.8rem; color: rgba(248,250,252,0.55); margin-top: 0.2rem;
}

.tools-catalog { padding: 3.5rem 0 5rem; background: var(--clr-bg, #f8fafc); }
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.25rem;
}
.tools-card {
    display: flex; flex-direction: column; gap: 0.75rem;
    padding: 1.5rem;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 18px;
    background: #fff;
    text-decoration: none; color: inherit;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.tools-card:hover {
    transform: translateY(-3px);
    border-color: rgba(14, 165, 233, 0.35);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
}
.tools-card--flagship {
    border-color: rgba(14, 165, 233, 0.35);
    background: linear-gradient(180deg, #f0f9ff 0%, #fff 55%);
}
.tools-card--soon { opacity: 0.85; }
.tools-card__top { display: flex; justify-content: space-between; align-items: flex-start; }
.tools-card__icon {
    width: 2.75rem; height: 2.75rem; border-radius: 12px;
    display: grid; place-items: center;
    background: rgba(14, 165, 233, 0.1); color: #0284c7;
}
.tools-card__badge {
    font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.05em; color: #0369a1;
    background: rgba(14, 165, 233, 0.12); padding: 0.25rem 0.55rem; border-radius: 999px;
}
.tools-card__title {
    font-size: 1.2rem; font-weight: 700; margin: 0; letter-spacing: -0.02em;
    color: var(--clr-gray-900, #0f172a);
}
.tools-card__desc {
    font-size: 0.92rem; line-height: 1.6; color: var(--clr-gray-600, #475569); margin: 0; flex: 1;
}
.tools-card__meta { font-size: 0.78rem; color: #64748b; }
.tools-card__foot { margin-top: 0.5rem; }
.tools-card__cta {
    display: inline-flex; align-items: center; gap: 0.35rem;
    font-size: 0.9rem; font-weight: 600; color: #0284c7;
}

.tools-notify {
    margin-top: 3rem; padding: 1.75rem;
    border-radius: 18px; border: 1px dashed rgba(14, 165, 233, 0.35);
    background: rgba(240, 249, 255, 0.7);
}
.tools-notify__title { margin: 0 0 0.4rem; font-size: 1.25rem; }
.tools-notify__desc { margin: 0 0 1rem; color: #475569; }
.tools-notify__form { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.tools-notify__input {
    flex: 1; min-width: 220px; padding: 0.75rem 1rem;
    border: 1px solid #cbd5e1; border-radius: 12px; background: #fff;
}
.tools-notify__msg { margin-top: 0.75rem; font-size: 0.9rem; }
.tools-notify__msg.is-ok { color: #059669; }
.tools-notify__msg.is-err { color: #dc2626; }

.tools-faq { margin-top: 3rem; }
.tools-faq__title { font-size: 1.35rem; margin-bottom: 1rem; }
.tools-faq__item {
    border-bottom: 1px solid rgba(15,23,42,0.08); padding: 0.85rem 0;
}
.tools-faq__item summary { cursor: pointer; font-weight: 600; }
.tools-faq__item p { margin: 0.6rem 0 0; color: #475569; line-height: 1.6; }

/* ROI calculator */
.roi-calc {
    position: relative; padding: 3.5rem 0 5rem;
    background: linear-gradient(180deg, #0b1220 0%, #111827 35%, #f8fafc 35.1%);
    color: #e2e8f0;
}
.roi-calc__mesh {
    position: absolute; inset: 0 0 65%;
    background: radial-gradient(ellipse 50% 60% at 70% 20%, rgba(56,189,248,0.12), transparent 60%);
    pointer-events: none;
}
.roi-calc__shell { position: relative; z-index: 1; }
.roi-calc__crumbs { margin-bottom: 1.5rem; }
.roi-calc__crumbs a { color: rgba(226,232,240,0.75); }
.roi-calc__header { max-width: 46rem; margin-bottom: 2rem; }
.roi-calc__eyebrow {
    font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: #67e8f9; margin: 0 0 0.75rem;
}
.roi-calc__title {
    font-family: var(--ff-display, "Sora", sans-serif);
    font-size: clamp(1.8rem, 4vw, 2.75rem); letter-spacing: -0.03em; margin: 0 0 0.85rem; color: #fff;
}
.roi-calc__lead { color: rgba(226,232,240,0.8); line-height: 1.65; margin: 0 0 1rem; max-width: 48ch; }
.roi-calc__benchmarks {
    margin: 0; padding-left: 1.1rem; color: rgba(186,230,253,0.9); font-size: 0.88rem; line-height: 1.55;
}
.roi-calc__layout {
    display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 1.25rem; align-items: start;
}
@media (max-width: 900px) {
    .roi-calc__layout { grid-template-columns: 1fr; }
}
.roi-calc__form, .roi-calc__results {
    background: #fff; color: #0f172a;
    border-radius: 20px; padding: 1.5rem;
    border: 1px solid rgba(15,23,42,0.06);
    box-shadow: 0 16px 40px rgba(15,23,42,0.08);
}
.roi-calc__fieldset { border: 0; margin: 0; padding: 0; }
.roi-calc__fieldset legend {
    font-size: 1.05rem; font-weight: 700; margin-bottom: 1rem;
}
.roi-field { display: grid; gap: 0.4rem; margin-bottom: 1.1rem; }
.roi-field__label { font-size: 0.85rem; font-weight: 600; color: #334155; }
.roi-field input[type="range"] { width: 100%; }
.roi-field input[type="number"], .roi-field select {
    width: 100%; padding: 0.65rem 0.85rem; border-radius: 10px;
    border: 1px solid #cbd5e1; background: #f8fafc;
}
.roi-field output { font-size: 0.85rem; font-weight: 700; color: #0284c7; }
.roi-calc__results-title { margin: 0 0 1rem; font-size: 1.15rem; }
.roi-metrics {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 1.25rem;
}
.roi-metric {
    padding: 0.85rem; border-radius: 12px; background: #f1f5f9;
}
.roi-metric__label { display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; color: #64748b; }
.roi-metric__value { font-size: 1.25rem; letter-spacing: -0.02em; }
.roi-arch {
    padding: 1rem; border-radius: 14px;
    background: linear-gradient(135deg, #ecfeff, #f0fdf4);
    border: 1px solid rgba(14,165,233,0.2);
}
.roi-arch__title { margin: 0 0 0.35rem; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: #0369a1; }
.roi-arch__name { margin: 0 0 0.4rem; font-size: 1.1rem; font-weight: 700; }
.roi-arch__desc { margin: 0; font-size: 0.9rem; color: #475569; line-height: 1.55; }
.roi-calc__disclaimer { margin: 1rem 0 0; font-size: 0.78rem; color: #64748b; line-height: 1.5; }

.roi-gate {
    margin-top: 2rem; padding: 1.75rem;
    border-radius: 18px; background: #fff; color: #0f172a;
    border: 1px solid rgba(15,23,42,0.08);
}
.roi-gate__title { margin: 0 0 0.4rem; font-size: 1.25rem; }
.roi-gate__desc { margin: 0 0 1rem; color: #475569; }
.roi-gate__form { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.roi-gate__input {
    flex: 1; min-width: 220px; padding: 0.75rem 1rem;
    border: 1px solid #cbd5e1; border-radius: 12px;
}
.roi-gate__msg { margin-top: 0.75rem; font-size: 0.9rem; }
.roi-gate__msg.is-ok { color: #059669; }
.roi-gate__msg.is-err { color: #dc2626; }
.roi-gate__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1rem; }

.roi-faq { margin-top: 2.5rem; color: #0f172a; }
.roi-faq__title { color: #0f172a; font-size: 1.35rem; }
.roi-faq__item {
    background: #fff; border-radius: 12px; padding: 0.85rem 1rem; margin-bottom: 0.6rem;
    border: 1px solid rgba(15,23,42,0.06);
}
.roi-faq__item summary { cursor: pointer; font-weight: 600; }
.roi-faq__item p { margin: 0.55rem 0 0; color: #475569; }

.roi-print-sheet { display: none; }
@media print {
    body.roi-printing * { visibility: hidden; }
    body.roi-printing .roi-print-sheet,
    body.roi-printing .roi-print-sheet * { visibility: visible; }
    body.roi-printing .roi-print-sheet {
        display: block !important; position: absolute; left: 0; top: 0; width: 100%;
        padding: 2rem; color: #000; background: #fff;
    }
    .roi-print-sheet h1 { font-size: 1.5rem; margin-bottom: 0.25rem; }
    .roi-print-sheet__sub { color: #555; margin-bottom: 1.5rem; }
    .roi-print-sheet dt { font-weight: 700; margin-top: 0.75rem; }
    .roi-print-sheet dd { margin: 0.15rem 0 0; }
    .roi-print-sheet__note { margin-top: 1.5rem; font-size: 0.85rem; color: #555; }
}