/**
 * blocks.css
 * ---------------------------------------------------------------------------
 * Styles bound to specific site regions and reusable "product" visualization
 * components: header + mega menu, mobile drawer, hero, workflow diagram,
 * screenshot frame, document/extraction/validation/approval/audit cards,
 * footer, and the Book a Demo modal.
 *
 * These are the branded diagram primitives referenced throughout the site.
 * They are pure CSS/HTML so they degrade gracefully without JS.
 */

/* ===== HEADER & NAV ======================================================= */
.bb-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: color-mix(in srgb, var(--bb-surface) 88%, transparent);
	backdrop-filter: saturate(140%) blur(10px);
	border-bottom: var(--bb-border);
}
.bb-header__inner {
	max-width: var(--bb-max);
	margin-inline: auto;
	padding: 0 var(--wp--preset--spacing--40);
	min-height: var(--bb-header-height);
	display: flex;
	align-items: center;
	gap: var(--wp--preset--spacing--50);
}
.bb-header__logo { display: inline-flex; align-items: center; flex: none; }
.bb-header__logo svg, .bb-header__logo img { height: 26px; width: auto; display: block; }
.bb-header__nav { display: none; }
.bb-header__actions { margin-left: auto; display: none; align-items: center; gap: var(--wp--preset--spacing--40); }

@media (min-width: 1080px) {
	.bb-header__nav { display: flex; align-items: center; gap: 0.25rem; }
	.bb-header__actions { display: flex; }
	.bb-burger { display: none; }
}

.bb-nav__item { position: relative; }
.bb-nav__link {
	display: inline-flex;
	align-items: center;
	gap: 0.3rem;
	padding: 0.6rem 0.85rem;
	font-weight: 500;
	font-size: var(--wp--preset--font-size--base);
	color: var(--bb-ink);
	text-decoration: none;
	border-radius: var(--bb-radius-sm);
	background: none;
	border: none;
	cursor: pointer;
}
.bb-nav__link:hover { color: var(--bb-stage-collect); }
.bb-nav__link[aria-expanded="true"] { color: var(--bb-stage-collect); }
.bb-nav__caret { transition: transform var(--bb-transition); }
.bb-nav__link[aria-expanded="true"] .bb-nav__caret { transform: rotate(180deg); }

.bb-contact-link { font-weight: 500; color: var(--bb-ink); text-decoration: none; }
.bb-contact-link:hover { color: var(--bb-stage-collect); }

/* ---- Mega menu / dropdown panels ----------------------------------------- */
.bb-megamenu {
	position: absolute;
	top: calc(100% + 8px);
	left: 0;
	min-width: 620px;
	background: var(--bb-surface);
	border: var(--bb-border);
	border-radius: var(--bb-radius-lg);
	box-shadow: var(--bb-shadow-lg);
	padding: var(--wp--preset--spacing--50);
	opacity: 0;
	visibility: hidden;
	transform: translateY(-6px);
	transition: opacity var(--bb-transition), transform var(--bb-transition), visibility var(--bb-transition);
}
.bb-megamenu[data-open="true"] { opacity: 1; visibility: visible; transform: translateY(0); }
.bb-megamenu--wide { min-width: 720px; }
.bb-megamenu--right { left: auto; right: 0; }
.bb-megamenu--simple { min-width: 260px; }

.bb-megamenu__cols { display: grid; grid-template-columns: 1fr 1fr; gap: var(--wp--preset--spacing--60); }
.bb-megamenu__heading {
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--bb-text-subtle);
	margin-bottom: var(--wp--preset--spacing--30);
}
.bb-megamenu__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.bb-megamenu__link {
	display: block;
	padding: 0.5rem 0.65rem;
	border-radius: var(--bb-radius-sm);
	color: var(--bb-ink);
	text-decoration: none;
	font-weight: 500;
	font-size: 0.95rem;
	line-height: 1.35;
}
.bb-megamenu__link:hover { background: var(--bb-surface-alt); color: var(--bb-stage-collect); }
.bb-megamenu__link small { display: block; color: var(--bb-text-subtle); font-weight: 400; font-size: 0.8rem; }

/* ---- Burger ---------------------------------------------------------------*/
.bb-burger {
	margin-left: auto;
	width: 44px; height: 44px;
	display: grid; place-items: center;
	background: none; border: none; cursor: pointer; color: var(--bb-ink);
}

/* ===== MOBILE DRAWER ====================================================== */
.bb-drawer {
	position: fixed;
	inset: 0;
	z-index: 200;
	visibility: hidden;
}
.bb-drawer[data-open="true"] { visibility: visible; }
.bb-drawer__overlay {
	position: absolute; inset: 0;
	background: rgba(28,27,23,0.5);
	opacity: 0; transition: opacity var(--bb-transition);
}
.bb-drawer[data-open="true"] .bb-drawer__overlay { opacity: 1; }
.bb-drawer__panel {
	position: absolute; top: 0; right: 0; bottom: 0;
	width: min(92vw, 420px);
	background: var(--bb-surface);
	box-shadow: var(--bb-shadow-lg);
	transform: translateX(100%);
	transition: transform var(--bb-transition-slow);
	display: flex; flex-direction: column;
	overflow-y: auto;
	overscroll-behavior: contain;
}
.bb-drawer[data-open="true"] .bb-drawer__panel { transform: translateX(0); }
.bb-drawer__head { display: flex; align-items: center; justify-content: space-between; padding: var(--wp--preset--spacing--40); border-bottom: var(--bb-border); position: sticky; top: 0; background: var(--bb-surface); }
.bb-drawer__body { padding: var(--wp--preset--spacing--40); }
.bb-drawer__foot { margin-top: auto; padding: var(--wp--preset--spacing--40); border-top: var(--bb-border); display: grid; gap: var(--wp--preset--spacing--30); position: sticky; bottom: 0; background: var(--bb-surface); }

.bb-disclosure { border-bottom: var(--bb-border); }
.bb-disclosure__trigger {
	width: 100%; display: flex; justify-content: space-between; align-items: center;
	padding: 0.9rem 0; background: none; border: none; font-weight: 600; font-size: var(--wp--preset--font-size--medium);
	color: var(--bb-ink); cursor: pointer; min-height: 48px;
}
.bb-disclosure__panel { padding-bottom: 0.75rem; }
.bb-disclosure__panel[hidden] { display: none; }
.bb-disclosure__panel a { display: block; padding: 0.6rem 0.5rem; color: var(--bb-text-muted); text-decoration: none; border-radius: var(--bb-radius-sm); min-height: 44px; }
.bb-disclosure__panel a:hover { background: var(--bb-surface-alt); color: var(--bb-ink); }
.bb-disclosure__icon { transition: transform var(--bb-transition); }
.bb-disclosure__trigger[aria-expanded="true"] .bb-disclosure__icon { transform: rotate(45deg); }

/* ===== HERO =============================================================== */
.bb-hero { position: relative; overflow: hidden; }
.bb-hero__grid { display: grid; gap: var(--wp--preset--spacing--70); align-items: center; }
@media (min-width: 980px) {
	.bb-hero__grid { grid-template-columns: 1.05fr 0.95fr; }
}
.bb-hero__title { font-size: var(--wp--preset--font-size--display); font-weight: 800; line-height: 1.03; letter-spacing: -0.03em; }
.bb-hero__lede { font-size: var(--wp--preset--font-size--large); color: var(--bb-text-muted); max-width: 46ch; }
.bb-hero__ctas { display: flex; flex-wrap: wrap; gap: var(--wp--preset--spacing--30); }

/* subtle grid texture, brand-grounded (not neon) */
.bb-grid-texture {
	position: absolute; inset: 0; z-index: 0; pointer-events: none;
	background-image:
		linear-gradient(var(--bb-line) 1px, transparent 1px),
		linear-gradient(90deg, var(--bb-line) 1px, transparent 1px);
	background-size: 44px 44px;
	mask-image: radial-gradient(ellipse 80% 60% at 70% 20%, #000 0%, transparent 70%);
	opacity: 0.5;
}

/* ===== WORKFLOW DIAGRAM (reusable) ======================================== */
/* Horizontal/vertical conceptual pipeline used on Home, Platform, Solutions. */
.bb-flow {
	--flow-gap: var(--wp--preset--spacing--40);
	display: grid;
	gap: var(--flow-gap);
	counter-reset: flowstep;
}
.bb-flow__step {
	position: relative;
	display: grid;
	grid-template-columns: auto 1fr;
	gap: var(--wp--preset--spacing--40);
	padding: var(--wp--preset--spacing--40);
	background: var(--bb-surface);
	border: var(--bb-border);
	border-radius: var(--bb-radius-lg);
}
.bb-flow__marker {
	width: 40px; height: 40px; flex: none;
	border-radius: var(--bb-radius-md);
	display: grid; place-items: center;
	font-weight: 800; color: #fff;
	background: var(--bb-stage-collect);
}
.bb-flow__step[data-stage="build"] .bb-flow__marker { background: var(--bb-stage-build); }
.bb-flow__step[data-stage="collect"] .bb-flow__marker { background: var(--bb-stage-collect); }
.bb-flow__step[data-stage="understand"] .bb-flow__marker { background: var(--bb-stage-understand); }
.bb-flow__step[data-stage="validate"] .bb-flow__marker { background: var(--bb-stage-validate); }
.bb-flow__step[data-stage="approve"] .bb-flow__marker { background: var(--bb-stage-approve); }
.bb-flow__step[data-stage="deliver"] .bb-flow__marker { background: var(--bb-stage-deliver); }
.bb-flow__title { font-weight: 700; font-size: var(--wp--preset--font-size--medium); }
.bb-flow__desc { color: var(--bb-text-muted); font-size: var(--wp--preset--font-size--small); margin-top: 0.25rem; }

/* connector line between vertical steps */
.bb-flow--vertical .bb-flow__step + .bb-flow__step::before {
	content: ""; position: absolute; top: calc(-1 * var(--flow-gap)); left: calc(var(--wp--preset--spacing--40) + 19px);
	width: 2px; height: var(--flow-gap); background: var(--bb-line);
}

/* horizontal variant for wide screens */
@media (min-width: 980px) {
	.bb-flow--horizontal { grid-auto-flow: column; grid-auto-columns: 1fr; align-items: stretch; }
	.bb-flow--horizontal .bb-flow__step { grid-template-columns: 1fr; text-align: left; }
}

/* ===== PRODUCT VISUALIZATION PRIMITIVES =================================== */
/* Screenshot frame — wraps a real anonymized screenshot OR a coded diagram. */
.bb-frame {
	border: var(--bb-border);
	border-radius: var(--bb-radius-lg);
	background: var(--bb-surface);
	box-shadow: var(--bb-shadow-md);
	overflow: hidden;
}
.bb-frame__bar {
	display: flex; align-items: center; gap: 0.4rem;
	padding: 0.7rem 0.9rem; border-bottom: var(--bb-border);
	background: var(--bb-surface-alt);
}
.bb-frame__dot { width: 10px; height: 10px; border-radius: 50%; background: var(--bb-line-strong); opacity: 0.5; }
.bb-frame__label { margin-left: 0.5rem; font-size: 0.78rem; color: var(--bb-text-subtle); font-family: var(--wp--preset--font-family--mono); }
.bb-frame__body { padding: var(--wp--preset--spacing--40); }
.bb-frame__img { display: block; width: 100%; height: auto; }

/* Document card */
.bb-doc {
	display: grid; grid-template-columns: auto 1fr auto; gap: 0.75rem; align-items: center;
	padding: 0.85rem 1rem; border: var(--bb-border); border-radius: var(--bb-radius-md); background: var(--bb-surface);
}
.bb-doc__icon { width: 34px; height: 40px; border-radius: 4px; background: var(--bb-surface-alt); border: var(--bb-border); position: relative; flex: none; }
.bb-doc__icon::after { content: ""; position: absolute; top: 0; right: 0; border-width: 0 0 10px 10px; border-style: solid; border-color: transparent transparent var(--bb-line) transparent; }
.bb-doc__name { font-weight: 600; font-size: 0.9rem; }
.bb-doc__meta { font-size: 0.78rem; color: var(--bb-text-subtle); }

/* Extracted-data panel — key/value pairs with confidence */
.bb-extract { border: var(--bb-border); border-radius: var(--bb-radius-md); overflow: hidden; }
.bb-extract__row { display: grid; grid-template-columns: 1fr auto; gap: 1rem; padding: 0.6rem 0.9rem; border-bottom: var(--bb-border); font-size: 0.88rem; }
.bb-extract__row:last-child { border-bottom: none; }
.bb-extract__key { color: var(--bb-text-subtle); }
.bb-extract__val { font-weight: 600; font-family: var(--wp--preset--font-family--mono); font-size: 0.82rem; }

/* Validation states — always paired with an icon + text, never color alone */
.bb-state { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.82rem; font-weight: 600; }
.bb-state::before { content: ""; width: 16px; height: 16px; border-radius: 50%; display: inline-grid; place-items: center; flex: none; }
.bb-state--pass { color: var(--bb-status-live); }
.bb-state--pass::before { content: "\2713"; color: #fff; background: var(--bb-status-live); font-size: 10px; line-height: 16px; text-align: center; }
.bb-state--missing { color: var(--bb-status-soon); }
.bb-state--missing::before { content: "!"; color: #fff; background: var(--bb-status-soon); font-size: 11px; line-height: 16px; text-align: center; }
.bb-state--flag { color: var(--bb-status-error); }
.bb-state--flag::before { content: "\00D7"; color: #fff; background: var(--bb-status-error); font-size: 12px; line-height: 16px; text-align: center; }

/* Human approval card */
.bb-approval { display: grid; grid-template-columns: auto 1fr; gap: 0.85rem; align-items: center; padding: 0.9rem 1rem; border: var(--bb-border); border-radius: var(--bb-radius-md); background: var(--bb-surface); }
.bb-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--bb-stage-approve); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 0.8rem; flex: none; }

/* Audit event / provenance line */
.bb-audit { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.bb-audit__item { position: relative; padding: 0 0 var(--wp--preset--spacing--40) var(--wp--preset--spacing--50); }
.bb-audit__item::before { content: ""; position: absolute; left: 7px; top: 4px; bottom: 0; width: 2px; background: var(--bb-line); }
.bb-audit__item:last-child::before { display: none; }
.bb-audit__item::after { content: ""; position: absolute; left: 2px; top: 4px; width: 12px; height: 12px; border-radius: 50%; background: var(--bb-surface); border: 2px solid var(--bb-stage-deliver); }
.bb-audit__time { font-size: 0.75rem; color: var(--bb-text-subtle); font-family: var(--wp--preset--font-family--mono); }
.bb-audit__label { font-size: 0.88rem; font-weight: 600; }

/* Downstream delivery handoff */
.bb-handoff { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.bb-handoff__node { padding: 0.6rem 1rem; border: var(--bb-border); border-radius: var(--bb-radius-md); font-weight: 600; font-size: 0.85rem; background: var(--bb-surface); }
.bb-handoff__arrow { color: var(--bb-text-subtle); }

/* ===== INTEGRATION / LOGO TILES =========================================== */
.bb-logo-tile {
	display: flex; align-items: center; justify-content: center;
	padding: var(--wp--preset--spacing--40);
	border: var(--bb-border); border-radius: var(--bb-radius-md);
	background: var(--bb-surface); min-height: 80px;
	position: relative;
}
.bb-logo-tile img, .bb-logo-tile svg { max-height: 32px; width: auto; }
.bb-logo-tile .bb-badge { position: absolute; top: 8px; right: 8px; }

/* ===== PRICING ============================================================ */
.bb-price-card { display: flex; flex-direction: column; gap: var(--wp--preset--spacing--40); height: 100%; }
.bb-price-card--featured { border-color: var(--bb-ink); box-shadow: var(--bb-shadow-md); position: relative; }
.bb-price-card--featured::before {
	content: "Most common"; position: absolute; top: -12px; left: var(--wp--preset--spacing--50);
	background: var(--bb-accent); color: var(--bb-ink); font-size: 0.72rem; font-weight: 700;
	padding: 0.2rem 0.7rem; border-radius: var(--bb-radius-pill); letter-spacing: 0.02em;
}
.bb-price-card__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.65rem; }
.bb-price-card__list li { display: grid; grid-template-columns: auto 1fr; gap: 0.6rem; font-size: 0.92rem; color: var(--bb-text-muted); }
.bb-price-card__list li::before { content: "\2713"; color: var(--bb-status-live); font-weight: 800; }

/* ===== FOOTER ============================================================= */
.bb-footer { background: var(--bb-surface-inverse); color: var(--bb-text-inverse); }
.bb-footer a { color: var(--wp--preset--color--grey-mid); text-decoration: none; }
.bb-footer a:hover { color: var(--bb-accent); }
.bb-footer__grid { display: grid; gap: var(--wp--preset--spacing--60); grid-template-columns: 1.4fr repeat(auto-fit, minmax(140px, 1fr)); }
.bb-footer__col h3 { font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--wp--preset--color--grey-mid); margin-bottom: var(--wp--preset--spacing--30); }
.bb-footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; }
.bb-footer__bottom { border-top: 1px solid rgba(255,255,255,0.12); margin-top: var(--wp--preset--spacing--60); padding-top: var(--wp--preset--spacing--40); display: flex; flex-wrap: wrap; gap: var(--wp--preset--spacing--40); justify-content: space-between; font-size: 0.85rem; color: var(--wp--preset--color--grey-mid); }

/* ===== MODAL (Book a Demo) ================================================ */
.bb-modal { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; padding: var(--wp--preset--spacing--40); visibility: hidden; }
.bb-modal[data-open="true"] { visibility: visible; }
.bb-modal__overlay { position: absolute; inset: 0; background: rgba(28,27,23,0.55); opacity: 0; transition: opacity var(--bb-transition); }
.bb-modal[data-open="true"] .bb-modal__overlay { opacity: 1; }
.bb-modal__dialog {
	position: relative; width: min(100%, 520px); max-height: calc(100vh - 4rem); overflow-y: auto;
	background: var(--bb-surface); border-radius: var(--bb-radius-xl); box-shadow: var(--bb-shadow-lg);
	padding: var(--wp--preset--spacing--60);
	transform: translateY(12px) scale(0.98); opacity: 0;
	transition: transform var(--bb-transition-slow), opacity var(--bb-transition-slow);
}
.bb-modal[data-open="true"] .bb-modal__dialog { transform: none; opacity: 1; }
.bb-modal__close { position: absolute; top: 12px; right: 12px; width: 40px; height: 40px; border-radius: 50%; border: none; background: var(--bb-surface-alt); cursor: pointer; font-size: 1.2rem; }

/* ===== FORMS ============================================================== */
.bb-form { display: grid; gap: var(--wp--preset--spacing--40); }
.bb-field { display: grid; gap: 0.35rem; }
.bb-field label { font-weight: 600; font-size: 0.9rem; }
.bb-field .req { color: var(--bb-status-error); }
.bb-field input, .bb-field select, .bb-field textarea {
	width: 100%; padding: 0.7rem 0.85rem; border: 1.5px solid var(--bb-line); border-radius: var(--bb-radius-md);
	font: inherit; font-size: var(--wp--preset--font-size--base); background: var(--bb-surface); color: var(--bb-ink);
	min-height: 44px;
}
.bb-field input:focus, .bb-field select:focus, .bb-field textarea:focus { border-color: var(--bb-stage-collect); outline: none; box-shadow: var(--bb-focus); }
.bb-field textarea { min-height: 120px; resize: vertical; }
.bb-field--error input, .bb-field--error select, .bb-field--error textarea { border-color: var(--bb-status-error); }
.bb-field__error { color: var(--bb-status-error); font-size: 0.82rem; font-weight: 600; }
.bb-field--half { }
@media (min-width: 560px) { .bb-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--wp--preset--spacing--40); } }
/* honeypot — visually and semantically hidden from humans */
.bb-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.bb-form__privacy { font-size: 0.82rem; color: var(--bb-text-subtle); }
.bb-form__success { padding: var(--wp--preset--spacing--50); border: 1.5px solid var(--bb-status-live); border-radius: var(--bb-radius-md); background: color-mix(in srgb, var(--bb-status-live) 8%, transparent); }
.bb-form__success[hidden] { display: none; }

/* ===== BREADCRUMBS ======================================================== */
.bb-breadcrumbs { font-size: 0.85rem; color: var(--bb-text-subtle); display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.bb-breadcrumbs a { color: var(--bb-text-muted); text-decoration: none; }
.bb-breadcrumbs a:hover { color: var(--bb-ink); }
.bb-breadcrumbs__sep { opacity: 0.5; }

/* ===== BLOG =============================================================== */
.bb-post-card { overflow: hidden; padding: 0; }
.bb-post-card__thumb { aspect-ratio: 16 / 9; background: var(--bb-surface-alt); overflow: hidden; }
.bb-post-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.bb-post-card__body { padding: var(--wp--preset--spacing--40); display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.bb-post-card__meta { font-size: 0.8rem; color: var(--bb-text-subtle); display: flex; gap: 0.5rem; flex-wrap: wrap; }
.bb-featured { display: grid; gap: var(--wp--preset--spacing--50); }
@media (min-width: 860px) { .bb-featured { grid-template-columns: 1.3fr 1fr; align-items: center; } }

/* Reading progress / article meta */
.bb-article-meta { display: flex; flex-wrap: wrap; gap: var(--wp--preset--spacing--40); font-size: 0.9rem; color: var(--bb-text-subtle); align-items: center; }

/* filter bar */
.bb-filterbar { display: flex; flex-wrap: wrap; gap: var(--wp--preset--spacing--30); align-items: center; }
.bb-filterbar__search { margin-left: auto; }
@media (max-width: 680px) { .bb-filterbar__search { margin-left: 0; width: 100%; } }