/* ============================================================
   zb-components.css — Site header, footer, buttons, cards, forms
   ============================================================ */

/* --- Site header (dark bar, reference: measureall.app) --- */
.zb-site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #0b0f1a;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.zb-site-header__inner {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding-block: 0.85rem;
    min-height: 68px;
}
.zb-site-header__brand { flex: 0 0 auto; }
.zb-site-header__nav { flex: 1 1 auto; }
.zb-site-header__actions { display: flex; align-items: center; gap: 1rem; flex: 0 0 auto; }

/* --- Logo (bold lockup: accent mark + white wordmark) --- */
.zb-logo { display: inline-flex; align-items: center; gap: 0.55em; font-weight: 800; font-size: 1.3rem; color: #fff; text-decoration: none; letter-spacing: -0.02em; }
.zb-logo:hover { text-decoration: none; color: #fff; }
.zb-logo__mark {
    display: inline-block;
    width: 30px;
    height: 30px;
    background: var(--c-accent);
    border-radius: 8px;
    position: relative;
}
.zb-logo__mark::after {
    content: '';
    position: absolute;
    inset: 7px;
    background: #0b0f1a;
    border-radius: 4px;
}
.zb-logo__text { letter-spacing: -0.02em; }

/* --- Primary nav (light text on dark bar) --- */
.zb-nav__list { list-style: none; padding: 0; margin: 0; display: flex; gap: 0.2rem; align-items: center; flex-wrap: wrap; }
.zb-nav__item { position: relative; }
.zb-nav__link {
    display: inline-block;
    padding: 0.55em 0.9em;
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 6px;
    transition: background 0.15s ease, color 0.15s ease;
}
.zb-nav__link:hover { background: rgba(255, 255, 255, 0.06); color: #fff; text-decoration: none; }
.zb-nav__link[aria-current="page"] { color: var(--c-accent); }

/* --- Header CTA pill (accent-colored, matches reference's bold pill button) --- */
.zb-site-header__cta {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    background: var(--c-accent);
    color: #0b0f1a;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.6em 1.3em;
    border-radius: 999px;
    text-decoration: none;
    transition: filter 0.15s ease;
}
.zb-site-header__cta:hover { filter: brightness(1.08); text-decoration: none; color: #0b0f1a; }
@media (max-width: 900px) { .zb-site-header__cta { display: none; } }

/* --- Search form (dark bar variant) --- */
.zb-search-form { display: flex; align-items: center; gap: 0; border: 1px solid rgba(255, 255, 255, 0.15); border-radius: 999px; padding: 0.2em 0.2em 0.2em 0.9em; background: rgba(255, 255, 255, 0.06); max-width: 220px; transition: border-color 0.15s ease, box-shadow 0.15s ease; }
.zb-search-form:focus-within { border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.18); }
.zb-search-form__input { border: 0; background: none; outline: none; flex: 1; font-size: 0.88rem; line-height: 1.2; min-width: 0; height: 32px; color: #fff; -webkit-appearance: none; appearance: none; }
.zb-search-form__input::-webkit-search-cancel-button,
.zb-search-form__input::-webkit-search-decoration { -webkit-appearance: none; appearance: none; }
.zb-search-form__input::placeholder { color: rgba(255, 255, 255, 0.4); }
@media (max-width: 1100px) { .zb-search-form { display: none; } }
.zb-search-form__submit { background: var(--c-primary); color: #fff; border-radius: 999px; width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; transition: background 0.15s ease; }
.zb-search-form__submit:hover { background: var(--c-primary-hover); }
.zb-search-form__submit .dashicons { color: #fff; }

/* --- Mobile nav toggle --- */
.zb-nav-toggle { display: none; width: 40px; height: 40px; flex-direction: column; gap: 4px; align-items: center; justify-content: center; border-radius: 8px; cursor: pointer; }
.zb-nav-toggle:hover { background: rgba(255, 255, 255, 0.08); }
.zb-nav-toggle__bar { display: block; width: 22px; height: 2px; background: #fff; border-radius: 1px; transition: transform 0.2s ease, opacity 0.2s ease; }
.zb-nav-toggle[aria-expanded="true"] .zb-nav-toggle__bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.zb-nav-toggle[aria-expanded="true"] .zb-nav-toggle__bar:nth-child(2) { opacity: 0; }
.zb-nav-toggle[aria-expanded="true"] .zb-nav-toggle__bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
    .zb-site-header__nav {
        position: fixed;
        inset: 64px 0 auto 0;
        background: var(--c-surface);
        border-bottom: 1px solid var(--c-border);
        padding: 1rem clamp(1rem, 2.5vw, 2rem);
        transform: translateY(-110%);
        transition: transform 0.25s ease;
        max-height: calc(100vh - 64px);
        overflow-y: auto;
    }
    .zb-site-header__nav.is-open { transform: translateY(0); }
    .zb-nav__list { flex-direction: column; align-items: flex-start; gap: 0; }
    .zb-nav__link { display: block; width: 100%; padding: 0.85em 0.5em; border-bottom: 1px solid var(--c-border); color: var(--c-text); }
    .zb-nav__link:hover { background: var(--c-bg-subtle); color: var(--c-primary); }
    .zb-nav-toggle { display: inline-flex; }
    .zb-search-form { max-width: 160px; }
}
@media (max-width: 600px) {
    .zb-site-header__actions .zb-search-form { display: none; }
}

/* --- Buttons --- */
.zb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4em;
    padding: 0.6em 1.2em;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 8px;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    line-height: 1.2;
}
.zb-btn:hover { text-decoration: none; }
.zb-btn--primary { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.zb-btn--primary:hover { background: var(--c-primary-hover); color: #fff; border-color: var(--c-primary-hover); }
.zb-btn--ghost { background: transparent; color: var(--c-text); border-color: var(--c-border); }
.zb-btn--ghost:hover { background: var(--c-bg-subtle); color: var(--c-text); border-color: var(--c-text-muted); }
.zb-btn--accent { background: var(--c-accent); color: #fff; }
.zb-btn--accent:hover { filter: brightness(0.92); color: #fff; }

/* --- Cards --- */
.zb-tool-card, .zb-post-card, .zb-comparison-card, .zb-object-card {
    display: block;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.zb-tool-card:hover, .zb-post-card:hover, .zb-comparison-card:hover, .zb-object-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(15, 23, 42, 0.06); border-color: var(--c-primary); }
.zb-tool-card__link, .zb-post-card__link, .zb-comparison-card__link { display: block; color: inherit; text-decoration: none; }
.zb-tool-card__link:hover, .zb-post-card__link:hover, .zb-comparison-card__link:hover { text-decoration: none; color: inherit; }

.zb-tool-card { padding: 1.2rem; display: block; }
.zb-tool-card__icon { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 10px; background: linear-gradient(135deg, var(--c-primary), var(--c-accent)); color: #fff; margin-bottom: 0.85rem; }
.zb-tool-card__icon .dashicons { color: #fff; font-size: 22px; width: 22px; height: 22px; }
.zb-tool-card__title { font-size: 1.05rem; margin: 0 0 0.3em; color: var(--c-text); }
.zb-tool-card__formula { font-size: 0.875rem; color: var(--c-text-muted); margin: 0 0 0.5em; font-family: var(--zb-font-mono, monospace); }

.zb-post-card__media { aspect-ratio: 3/2; overflow: hidden; background: var(--c-bg-subtle); }
.zb-post-card__img { width: 100%; height: 100%; object-fit: cover; }
.zb-post-card__body { padding: 1rem 1.1rem 1.2rem; }
.zb-post-card__title { font-size: 1.05rem; margin: 0 0 0.4em; }
.zb-post-card__excerpt { font-size: 0.875rem; color: var(--c-text-muted); margin: 0 0 0.6em; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.zb-post-card__date { font-size: 0.75rem; color: var(--c-text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

.zb-comparison-card__media { aspect-ratio: 3/2; overflow: hidden; background: var(--c-bg-subtle); }
.zb-comparison-card__body { padding: 1rem 1.1rem 1.2rem; }
.zb-comparison-card__title { font-size: 1rem; margin: 0 0 0.3em; }
.zb-comparison-card__meta { font-size: 0.8rem; color: var(--c-text-muted); margin: 0; }

.zb-object-card__media { aspect-ratio: 1; overflow: hidden; background: var(--c-bg-subtle); display: flex; align-items: center; justify-content: center; }
.zb-object-card__body { padding: 0.75rem 0.85rem; }
.zb-object-card__title { font-size: 0.95rem; margin: 0 0 0.2em; }
.zb-object-card__dims { font-size: 0.8rem; color: var(--c-text-muted); margin: 0; font-family: var(--zb-font-mono, monospace); }

/* --- Hero --- */
.zb-hero { padding-block: clamp(2.5rem, 6vw, 4.5rem); background: linear-gradient(180deg, var(--c-bg-subtle) 0%, var(--c-bg) 100%); text-align: center; border-bottom: 1px solid var(--c-border); }
.zb-hero__inner { max-width: 720px; }
.zb-hero__title { font-size: clamp(2.5rem, 5vw, 3.5rem); margin-bottom: 0.3em; background: linear-gradient(135deg, var(--c-primary), var(--c-accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; letter-spacing: -0.03em; }
.zb-hero__tagline { font-size: clamp(1rem, 1.5vw, 1.25rem); color: var(--c-text-muted); margin-bottom: 1.5rem; }
.zb-hero__search { margin-bottom: 1.5rem; }
.zb-hero__search .zb-search-form { max-width: 100%; margin-inline: auto; }
.zb-hero__cta { display: inline-flex; gap: 0.75rem; flex-wrap: wrap; justify-content: center; }

/* --- Archive head --- */
.zb-archive-head { padding-block: clamp(2rem, 4vw, 3rem); background: var(--c-bg-subtle); border-bottom: 1px solid var(--c-border); }
.zb-archive-head__title { margin-top: 0.4em; margin-bottom: 0.3em; }
.zb-archive-head__subtitle { color: var(--c-text-muted); margin-bottom: 1rem; }
.zb-archive-head__cta { margin-top: 1rem; }

/* --- Tools section head (matches homepage section title scale) --- */
.zb-section.zb-tools-section { padding-block: clamp(4rem, 8vw, 6.5rem); }
.zb-tools-section__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 3rem; flex-wrap: wrap; gap: 1rem; }
.zb-tools-section__head .zb-section__title { margin-bottom: 0; text-align: left; }
/* .zb-section__more (zb-base.css) already carries the unified yellow-
   underline "see more" treatment - no override needed here anymore. */

/* --- Tool group (per-category block) --- */
.zb-tool-group { margin-bottom: 3.5rem; }
.zb-tool-group:last-child { margin-bottom: 0; }
.zb-tool-group__head { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; }
.zb-tool-group__icon {
    flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; border-radius: 14px;
    background: var(--c-primary); color: #fff; font-size: 1.35rem;
}
.zb-tool-group__icon .dashicons { color: #fff; }
.zb-tool-group__heading { flex: 1; min-width: 0; }
.zb-tool-group__title { display: flex; align-items: center; gap: 0.6em; font-size: 1.4rem; font-weight: 800; letter-spacing: -0.01em; margin: 0; }
.zb-tool-group__count { display: inline-block; background: var(--c-bg-subtle); color: var(--c-text-muted); padding: 0.15em 0.65em; border-radius: 999px; font-size: 0.78rem; font-weight: 700; }
.zb-tool-group__blurb { color: var(--c-text-muted); font-size: 0.96rem; margin: 0.35em 0 0; }

/* --- Category tabs --- */
.zb-cat-tabs { list-style: none; padding: 0; margin: 1.2rem 0 0; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.zb-cat-tabs__item { display: inline-block; }
.zb-cat-tabs__link { display: inline-block; padding: 0.4em 0.9em; border: 1px solid var(--c-border); border-radius: 999px; font-size: 0.85rem; color: var(--c-text-muted); text-decoration: none; transition: all 0.15s ease; }
.zb-cat-tabs__link:hover, .zb-cat-tabs__link.is-active { background: var(--c-primary); color: #fff; border-color: var(--c-primary); text-decoration: none; }

/* --- Category pills (objects) --- */
.zb-cat-pills { list-style: none; padding: 0; margin: 1.2rem 0 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.zb-cat-pills__link { display: inline-block; padding: 0.35em 0.85em; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 999px; font-size: 0.85rem; color: var(--c-text); text-decoration: none; }
.zb-cat-pills__link:hover { background: var(--c-bg-subtle); border-color: var(--c-primary); text-decoration: none; }
.zb-cat-pills__count { color: var(--c-text-muted); font-size: 0.75rem; margin-left: 0.3em; }

/* --- FAQ --- */
.zb-faq { margin-top: 2rem; }
.zb-faq__title { margin-bottom: 1rem; }
.zb-faq__list { display: flex; flex-direction: column; gap: 0.5rem; }
.zb-faq__item { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 8px; padding: 0; }
.zb-faq__q { padding: 0.85em 1em; cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: baseline; }
.zb-faq__q::after { content: '+'; font-size: 1.3rem; color: var(--c-text-muted); transition: transform 0.2s ease; }
.zb-faq__item[open] .zb-faq__q::after { transform: rotate(45deg); }
.zb-faq__a { padding: 0 1em 0.85em; color: var(--c-text-muted); }

/* --- TOC --- */
.zb-toc { background: var(--c-bg-subtle); border: 1px solid var(--c-border); border-radius: 8px; padding: 1em 1.2em; margin: 1.5em 0; font-size: 0.9rem; }
.zb-toc__title { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--c-text-muted); margin: 0 0 0.5em; }
.zb-toc__list { list-style: none; padding: 0; margin: 0; counter-reset: toc; }
.zb-toc__item { padding: 0.2em 0; counter-increment: toc; }
.zb-toc__item::before { content: counter(toc) "."; color: var(--c-primary); font-weight: 600; margin-right: 0.5em; }
.zb-toc__link { color: var(--c-text); }

/* --- Forms --- */
.zb-form { max-width: 540px; }
.zb-form__row { margin-bottom: 1rem; }
.zb-form__row label { display: block; font-weight: 600; margin-bottom: 0.3em; font-size: 0.95rem; }
.zb-form__row input, .zb-form__row textarea, .zb-form__row select { width: 100%; padding: 0.6em 0.85em; border: 1px solid var(--c-border); border-radius: 8px; background: var(--c-surface); font-size: 1rem; }
.zb-form__row input:focus, .zb-form__row textarea:focus, .zb-form__row select:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12); }
.zb-form__status { margin-top: 1rem; min-height: 1.5em; }
.zb-form__ok { color: #15803d; font-weight: 500; }
.zb-form__err { color: #b91c1c; font-weight: 500; }

/* --- Ad slots --- */
.zb-ad { margin: 1.5rem auto; min-height: 90px; max-width: 100%; overflow: hidden; }
.zb-ad--header, .zb-ad--footer { max-width: 1100px; padding-inline: 1rem; }
.zb-ad--sidebar { margin: 0 0 1.5rem; }
.zb-ad--in_article { margin-block: 2rem; }

/* --- Site footer --- */
.zb-site-footer { background: var(--c-text); color: rgba(255, 255, 255, 0.85); padding-top: 3rem; margin-top: 4rem; }
.zb-site-footer__inner { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2rem; padding-bottom: 2rem; }
@media (max-width: 900px) { .zb-site-footer__inner { grid-template-columns: 1fr 1fr; gap: 1.5rem; } }
@media (max-width: 600px) { .zb-site-footer__inner { grid-template-columns: 1fr; } }
.zb-site-footer__col-title { color: #fff; font-size: 0.95rem; margin-bottom: 0.75rem; }
.zb-site-footer .zb-logo { color: #fff; }
.zb-site-footer .zb-logo__mark { background: linear-gradient(135deg, var(--c-accent), var(--c-primary)); }
.zb-site-footer__tagline { font-size: 0.85rem; color: rgba(255, 255, 255, 0.6); margin-top: 0.5rem; }
.zb-footer-nav { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.4em; }
.zb-footer-nav a { color: rgba(255, 255, 255, 0.75); font-size: 0.875rem; text-decoration: none; }
.zb-footer-nav a:hover { color: #fff; text-decoration: underline; }
.zb-social-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.4em; }
.zb-social-links__link { color: rgba(255, 255, 255, 0.75); font-size: 0.875rem; display: inline-flex; align-items: center; gap: 0.4em; text-decoration: none; }
.zb-social-links__link:hover { color: #fff; text-decoration: underline; }
.zb-site-footer__bar { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-block: 1rem; font-size: 0.8rem; color: rgba(255, 255, 255, 0.55); }
.zb-site-footer__bar-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; }
.zb-site-footer__copy, .zb-site-footer__credit { margin: 0; }

/* --- Newsletter --- */
.zb-newsletter { background: linear-gradient(135deg, var(--c-primary), var(--c-accent)); color: #fff; padding-block: clamp(2.5rem, 5vw, 4rem); text-align: center; }
.zb-newsletter__title { color: #fff; margin-bottom: 0.3em; }
.zb-newsletter__sub { color: rgba(255, 255, 255, 0.85); margin-bottom: 1.5rem; }
.zb-newsletter__form { display: flex; gap: 0.5rem; max-width: 480px; margin-inline: auto; flex-wrap: wrap; justify-content: center; }
.zb-newsletter__input { flex: 1; min-width: 220px; padding: 0.65em 0.9em; border-radius: 8px; border: 0; font-size: 0.95rem; }
.zb-newsletter .zb-btn--primary { background: var(--c-text); border-color: var(--c-text); }

/* ============================================================
   Homepage — reference structure: measureall.app
   (dark bold hero, icon-badge value props, numbered dashed-connector
   steps, tool showcase, star-rated testimonials, persona cards,
   closing CTA, FAQ accordion). Colors stay on the niche's own
   --c-primary/--c-accent tokens so this is reusable for other niches.
   ============================================================ */

.zb-punch { color: var(--c-accent); }

/* --- Dark hero --- */
.zb-hero--dark {
    background: #0b0f1a;
    text-align: left;
    border-bottom: none;
    padding-block: clamp(3.5rem, 9vw, 7rem);
    overflow: hidden;
}
.zb-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(2.5rem, 6vw, 5rem);
    align-items: center;
}
@media (max-width: 900px) { .zb-hero__grid { grid-template-columns: 1fr; text-align: center; } }
.zb-hero--dark .zb-hero__eyebrow {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #0b0f1a;
    background: var(--c-accent);
    padding: 0.4em 1em;
    border-radius: 999px;
    margin-bottom: 1.5rem;
}
.zb-hero--dark .zb-hero__title {
    color: #fff;
    background: none;
    -webkit-text-fill-color: #fff;
    text-align: left;
    font-size: clamp(2.75rem, 6vw, 4.5rem);
    line-height: 1.02;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 0.5em;
}
.zb-hero--dark .zb-hero__tagline { color: rgba(255, 255, 255, 0.6); text-align: left; max-width: 48ch; font-size: 1.1rem; margin-bottom: 2rem; }
.zb-hero--dark .zb-hero__search .zb-search-form { margin-inline: 0; }
.zb-hero--dark .zb-hero__cta { justify-content: flex-start; gap: 1rem; }
.zb-hero--dark .zb-btn--primary { background: var(--c-accent); border-color: var(--c-accent); color: #0b0f1a; font-weight: 700; }
.zb-hero--dark .zb-btn--primary:hover { filter: brightness(1.08); }
.zb-hero--dark .zb-btn--ghost { color: #fff; border-color: rgba(255, 255, 255, 0.3); font-weight: 600; }
.zb-hero--dark .zb-btn--ghost:hover { background: rgba(255, 255, 255, 0.08); color: #fff; border-color: rgba(255, 255, 255, 0.5); }
@media (max-width: 900px) {
    .zb-hero--dark .zb-hero__title,
    .zb-hero--dark .zb-hero__tagline { text-align: center; margin-inline: auto; }
    .zb-hero--dark .zb-hero__cta { justify-content: center; }
}
.zb-hero__media { position: relative; }
.zb-hero__img { width: 100%; height: auto; border-radius: 24px; box-shadow: 0 40px 80px -24px rgba(0, 0, 0, 0.6); }
.zb-hero__media::before {
    content: ''; position: absolute; inset: -16px; z-index: -1;
    background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
    border-radius: 28px; opacity: 0.35; filter: blur(24px);
}

/* --- Trust strip --- */
.zb-trust-strip { padding-block: 1.5rem; border-bottom: 1px solid var(--c-border); }
.zb-trust-strip__inner { display: flex; align-items: center; justify-content: center; gap: clamp(1.5rem, 4vw, 3.5rem); flex-wrap: wrap; }
.zb-trust-strip__label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-text-muted); }
.zb-trust-strip__item { font-weight: 700; color: var(--c-text-muted); font-size: 0.95rem; opacity: 0.7; }

/* --- Section title variants --- */
.zb-section__title--center { text-align: center; margin-bottom: 3rem; font-size: clamp(1.75rem, 3.5vw, 2.5rem); font-weight: 800; letter-spacing: -0.02em; }
.zb-section .zb-section__title.zb-section__title--light,
h2.zb-section__title.zb-section__title--light { color: #fff; }
.zb-section.zb-section--dark { background: #0b0f1a; }

/* --- Why Us cards (icon badge, not just a number) --- */
.zb-section.zb-why-us { padding-block: clamp(4rem, 8vw, 6.5rem); }
.zb-why-us__grid { gap: clamp(1.5rem, 3vw, 2rem); }
.zb-why-card { padding: 2rem; border: 1px solid var(--c-border); border-radius: 20px; background: var(--c-surface); transition: transform 0.15s, box-shadow 0.15s; }
.zb-why-card:hover { transform: translateY(-4px); box-shadow: 0 16px 32px -12px rgba(0, 0, 0, 0.1); }
.zb-why-card__icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 56px; height: 56px; border-radius: 16px; margin-bottom: 1.25rem;
    background: var(--c-primary); color: #fff; font-size: 1.5rem; font-weight: 800;
}
.zb-why-card__title { margin: 0 0 0.6em; font-size: 1.25rem; font-weight: 700; }
.zb-why-card__desc { margin: 0; color: var(--c-text-muted); font-size: 0.98rem; line-height: 1.65; }

/* --- How it works (numbered steps + connector) --- */
.zb-how-it-works { padding-block: clamp(4rem, 8vw, 6.5rem); color: rgba(255, 255, 255, 0.9); }
.zb-steps-row { display: flex; align-items: flex-start; gap: 0; flex-wrap: wrap; justify-content: center; margin-top: 1rem; }
.zb-step-card { flex: 1 1 200px; max-width: 250px; text-align: center; padding: 0 1rem; }
.zb-step-card__num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 52px; height: 52px; border-radius: 50%;
    background: var(--c-accent);
    color: #0b0f1a; font-weight: 800; font-size: 1.25rem; margin-bottom: 1.25rem;
}
.zb-step-card__title { color: #fff; margin: 0 0 0.5em; font-size: 1.1rem; font-weight: 700; }
.zb-step-card__desc { margin: 0; color: rgba(255, 255, 255, 0.55); font-size: 0.92rem; line-height: 1.6; }
.zb-step-connector { flex: 0 0 48px; height: 2px; background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.3) 0 8px, transparent 8px 16px); align-self: center; margin-top: -3rem; }
@media (max-width: 800px) { .zb-step-connector { display: none; } }

/* --- Testimonials (with star rating) --- */
.zb-section.zb-testimonials { padding-block: clamp(4rem, 8vw, 6.5rem); background: var(--c-bg-subtle); }
.zb-testimonial-card { margin: 0; padding: 2rem; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: 20px; }
.zb-testimonial-card__stars { color: var(--c-accent); font-size: 1rem; letter-spacing: 0.15em; margin-bottom: 1rem; }
.zb-testimonial-card__quote { margin: 0 0 1.5rem; font-size: 1.02rem; line-height: 1.65; color: var(--c-text); }
.zb-testimonial-card__footer { display: flex; flex-direction: column; gap: 0.15em; }
.zb-testimonial-card__name { font-weight: 700; font-size: 0.92rem; }
.zb-testimonial-card__role { font-size: 0.82rem; color: var(--c-text-muted); }

/* --- Persona cards ("who this is for") --- */
.zb-section.zb-personas { padding-block: clamp(4rem, 8vw, 6.5rem); background: #0b0f1a; }
.zb-personas__grid { gap: 1.25rem; }
.zb-persona-card {
    padding: 1.5rem; border-radius: 16px; background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08); transition: border-color 0.15s, background 0.15s;
}
.zb-persona-card:hover { border-color: var(--c-accent); background: rgba(255, 255, 255, 0.06); }
.zb-persona-card__title { color: #fff; margin: 0 0 0.4em; font-size: 1.02rem; font-weight: 700; }
.zb-persona-card__desc { margin: 0; color: rgba(255, 255, 255, 0.55); font-size: 0.88rem; line-height: 1.55; }

/* --- CTA banner --- */
.zb-section.zb-cta-banner { padding-block: clamp(3rem, 6vw, 5rem); background: linear-gradient(135deg, var(--c-primary), var(--c-accent)); }
.zb-cta-banner__inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.zb-cta-banner__title { color: #fff; margin: 0 0 0.35em; font-size: clamp(1.6rem, 3.5vw, 2.25rem); font-weight: 800; letter-spacing: -0.02em; }
.zb-cta-banner__subtext { color: rgba(255, 255, 255, 0.9); margin: 0; max-width: 50ch; font-size: 1.02rem; }
.zb-cta-banner .zb-btn--primary { background: #0b0f1a; border-color: #0b0f1a; color: #fff; white-space: nowrap; }
.zb-cta-banner .zb-btn--primary:hover { filter: brightness(1.3); }
.zb-btn--lg { padding: 0.9em 1.9em; font-size: 1.02rem; font-weight: 700; }

/* --- Closing CTA (final section before footer) --- */
.zb-closing-cta { padding-block: clamp(4rem, 9vw, 7rem); background: #0b0f1a; text-align: center; }
.zb-closing-cta__title { color: #fff; font-size: clamp(2rem, 4.5vw, 3rem); font-weight: 800; letter-spacing: -0.02em; margin: 0 0 1rem; max-width: 24ch; margin-inline: auto; }
.zb-closing-cta__actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* --- FAQ accordion --- */
.zb-section.zb-homepage-faq { padding-block: clamp(4rem, 8vw, 6.5rem); }
.zb-container--narrow { max-width: 780px; }
.zb-faq-accordion { display: flex; flex-direction: column; gap: 0.85rem; }
.zb-faq-item { border: 1px solid var(--c-border); border-radius: 14px; padding: 0; background: var(--c-surface); overflow: hidden; }
.zb-faq-item__q { padding: 1.25rem 1.5rem; cursor: pointer; font-weight: 700; font-size: 1rem; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.zb-faq-item__q::-webkit-details-marker { display: none; }
.zb-faq-item__q::after { content: '+'; font-size: 1.4rem; font-weight: 400; color: var(--c-accent); margin-left: 1rem; transition: transform 0.15s; }
.zb-faq-item[open] .zb-faq-item__q::after { transform: rotate(45deg); }
.zb-faq-item__a { margin: 0; padding: 0 1.5rem 1.25rem; color: var(--c-text-muted); font-size: 0.95rem; line-height: 1.65; }