/* HK Brochure — Frost child. Tokens match design-research.md 偷師清單. */

:root {
	--hkb-paper: #f6f5f2;
	--hkb-ink: #161616;
	--hkb-mute: #5e5a54;
	--hkb-line: rgba(22, 22, 22, 0.12);
	--hkb-brand: #1f3a5f;
	--hkb-wa: #25d366;
	--hkb-max: 72rem;
	--hkb-sans: "Noto Sans TC", "PingFang HK", "Source Han Sans TC", Outfit, sans-serif;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--hkb-paper);
	color: var(--hkb-ink);
	font-family: var(--hkb-sans);
	font-size: 1.05rem;
	line-height: 1.65;
	font-weight: 400;
}

img {
	max-width: 100%;
	height: auto;
}

a {
	color: var(--hkb-brand);
}

a:hover {
	color: var(--hkb-ink);
}

.hkb-skip {
	position: absolute;
	left: -999px;
	top: 0;
	background: var(--hkb-ink);
	color: var(--hkb-paper);
	padding: 0.5rem 1rem;
	z-index: 100;
}

.hkb-skip:focus {
	left: 0.75rem;
	top: 0.75rem;
}

html[data-ui-lang="zh"] .lang-en,
html:not([data-ui-lang]) .lang-en {
	display: none;
}

html[data-ui-lang="en"] .lang-zh {
	display: none;
}

/* Header — Bean Buro hairline + Gleneagles utility row */

.hkb-header {
	border-bottom: 1px solid var(--hkb-line);
	background: var(--hkb-paper);
	position: sticky;
	top: 0;
	z-index: 20;
}

.hkb-header__inner {
	max-width: var(--hkb-max);
	margin: 0 auto;
	padding: 1.15rem 1.5rem;
	display: flex;
	align-items: center;
	gap: 1.5rem;
}

.hkb-brand {
	text-decoration: none;
	color: inherit;
	min-width: 0;
}

.hkb-brand__name {
	display: block;
	font-weight: 400;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	font-size: 0.82rem;
	line-height: 1.35;
}

.hkb-nav {
	margin-left: auto;
}

.hkb-nav ul {
	display: flex;
	gap: 0.15rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

.hkb-nav a {
	display: block;
	padding: 0.35rem 0.55rem;
	color: var(--hkb-ink);
	text-decoration: none;
	font-size: 0.78rem;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	font-weight: 500;
}

.hkb-nav a[aria-current="page"],
.hkb-nav a:hover {
	color: var(--hkb-brand);
}

.hkb-header__tools {
	display: flex;
	align-items: center;
	gap: 0.85rem;
	flex-wrap: wrap;
}

.hkb-lang {
	display: flex;
	align-items: center;
	gap: 0.35rem;
	font-size: 0.78rem;
	letter-spacing: 0.06em;
}

.hkb-lang__btn {
	border: 0;
	background: none;
	font: inherit;
	color: var(--hkb-mute);
	cursor: pointer;
	padding: 0;
}

.hkb-lang__btn.is-active {
	color: var(--hkb-ink);
	font-weight: 500;
}

.hkb-lang__div {
	color: var(--hkb-line);
}

.hkb-nav-toggle {
	display: none;
	margin-left: auto;
	border: 0;
	background: none;
	font: inherit;
	font-size: 0.78rem;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	cursor: pointer;
}

.hkb-header__phone,
.hkb-header__wa {
	color: var(--hkb-ink);
	text-decoration: none;
	font-size: 0.82rem;
	display: inline-flex;
	align-items: center;
	gap: 0.3rem;
}

.hkb-header__wa:hover,
.hkb-header__phone:hover {
	color: var(--hkb-brand);
}

@media (max-width: 960px) {
	.hkb-header__phone {
		display: none;
	}

	.hkb-nav-toggle {
		display: inline-flex;
	}

	.hkb-nav {
		display: none;
		position: absolute;
		left: 0;
		right: 0;
		top: 100%;
		background: var(--hkb-paper);
		border-bottom: 1px solid var(--hkb-line);
		padding: 0.5rem 1.5rem 1rem;
	}

	.hkb-header.is-open .hkb-nav {
		display: block;
	}

	.hkb-nav ul {
		flex-direction: column;
	}

	.hkb-header__inner {
		flex-wrap: wrap;
	}
}

/* Buttons — Frost fill + outline, square corners */

.hkb-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.7rem 1.25rem;
	font-size: 0.82rem;
	letter-spacing: 0.04em;
	font-weight: 500;
	text-decoration: none;
	border: 1px solid transparent;
	line-height: 1.2;
}

.hkb-btn--fill {
	background: var(--hkb-brand);
	color: var(--hkb-paper);
	border-color: var(--hkb-brand);
}

.hkb-btn--fill:hover {
	background: var(--hkb-ink);
	border-color: var(--hkb-ink);
	color: var(--hkb-paper);
}

.hkb-btn--outline {
	background: transparent;
	color: var(--hkb-ink);
	border-color: var(--hkb-ink);
}

.hkb-btn--outline:hover {
	background: var(--hkb-ink);
	color: var(--hkb-paper);
}

.hkb-btn--ghost {
	background: transparent;
	color: var(--hkb-paper);
	border-color: var(--hkb-paper);
}

.hkb-btn--ghost:hover {
	background: var(--hkb-paper);
	color: var(--hkb-ink);
}

/* Hero — full-bleed photo, type on a scrim. Tokens stay paper / ink / navy. */

.hkb-hero {
	padding: 5rem 1.5rem 3rem;
}

.hkb-hero--bleed {
	position: relative;
	min-height: min(88vh, 42rem);
	display: flex;
	align-items: flex-end;
	padding: 0;
	color: var(--hkb-paper);
}

.hkb-hero__bg {
	position: absolute;
	inset: 0;
	margin: 0;
}

.hkb-hero__bg img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.hkb-hero__scrim {
	position: absolute;
	inset: 0;
	background: linear-gradient(
		to top,
		rgba(22, 22, 22, 0.78) 0%,
		rgba(22, 22, 22, 0.28) 48%,
		rgba(22, 22, 22, 0.12) 100%
	);
}

.hkb-hero__inner {
	position: relative;
	z-index: 1;
	max-width: var(--hkb-max);
	margin: 0 auto;
	width: 100%;
	padding: 7rem 1.5rem 3.25rem;
	text-align: left;
}

.hkb-kicker {
	margin: 0 0 0.75rem;
	color: var(--hkb-mute);
	font-size: 0.75rem;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	font-weight: 500;
}

.hkb-hero--bleed .hkb-kicker {
	color: rgba(246, 245, 242, 0.78);
}

.hkb-hero__title {
	margin: 0 0 1rem;
	font-size: clamp(2rem, 5vw, 3.25rem);
	font-weight: 400;
	letter-spacing: 0.02em;
	line-height: 1.15;
	max-width: 18ch;
}

.hkb-hero__tag {
	margin: 0 0 1.75rem;
	color: rgba(246, 245, 242, 0.88);
	max-width: 34rem;
}

.hkb-hero--bleed .hkb-hero__tag {
	margin-left: 0;
}

.hkb-hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.7rem;
	justify-content: flex-start;
}

.hkb-hero__photo {
	max-width: var(--hkb-max);
	margin: 3.5rem auto 0;
	padding: 0 1.5rem;
}

.hkb-hero__photo img {
	width: 100%;
	height: min(28rem, 56vw);
	object-fit: cover;
	display: block;
}

/* Featured jobs — uneven 1+2 photo grid */

.hkb-jobs {
	padding: 3.5rem 0 4.5rem;
}

.hkb-jobs__inner {
	max-width: var(--hkb-max);
	margin: 0 auto;
	padding: 0 1.5rem;
}

.hkb-jobs .hkb-section__head {
	margin-bottom: 1.5rem;
}

.hkb-jobs__grid {
	display: grid;
	gap: 0.85rem;
	grid-template-columns: 1.35fr 1fr;
	grid-template-rows: auto auto;
}

.hkb-jobs__item {
	position: relative;
	overflow: hidden;
	background: #111;
	min-height: 14rem;
}

.hkb-jobs__item img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.hkb-jobs__item--lead {
	grid-row: 1 / span 2;
}

.hkb-jobs__item--lead img {
	min-height: 32rem;
	aspect-ratio: 4 / 5;
}

.hkb-jobs__item:not(.hkb-jobs__item--lead) img {
	height: 15.6rem;
	aspect-ratio: 16 / 10;
}

.hkb-jobs__caption {
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	padding: 2.5rem 1.15rem 1.1rem;
	background: linear-gradient(to top, rgba(22, 22, 22, 0.88), transparent);
	color: var(--hkb-paper);
}

.hkb-jobs__place {
	margin: 0 0 0.2rem;
	font-size: 0.75rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: rgba(246, 245, 242, 0.75);
}

.hkb-jobs__caption h3 {
	margin: 0 0 0.35rem;
	font-size: 1.15rem;
	font-weight: 500;
}

.hkb-jobs__caption p {
	margin: 0;
	font-size: 0.9rem;
	color: rgba(246, 245, 242, 0.88);
}

.hkb-jobs__note {
	margin: 1rem 0 0;
	color: var(--hkb-mute);
	font-size: 0.82rem;
	max-width: 40rem;
}

@media (max-width: 800px) {
	.hkb-jobs__grid {
		grid-template-columns: 1fr;
	}

	.hkb-jobs__item--lead {
		grid-row: auto;
	}

	.hkb-jobs__item--lead img,
	.hkb-jobs__item:not(.hkb-jobs__item--lead) img {
		min-height: 0;
		height: 18rem;
		aspect-ratio: 16 / 10;
	}
}

/* Sections */

.hkb-section {
	padding: 4.5rem 1.5rem 5rem;
}

.hkb-section__inner {
	max-width: var(--hkb-max);
	margin: 0 auto;
}

.hkb-section__head h1,
.hkb-section__head h2 {
	margin: 0 0 0.75rem;
	font-size: clamp(1.6rem, 3.5vw, 2.4rem);
	font-weight: 400;
}

.hkb-lede-copy,
.hkb-empty {
	color: var(--hkb-mute);
	max-width: 38rem;
}

.hkb-section__more {
	margin: 1.75rem 0 0;
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	align-items: center;
}

/* Certifications row — Yee Fung / FastLane proof */

.hkb-certs {
	padding: 0 1.5rem 4rem;
	border-top: 1px solid var(--hkb-line);
}

.hkb-certs__inner {
	max-width: var(--hkb-max);
	margin: 0 auto;
	padding-top: 2.5rem;
}

.hkb-certs__list {
	list-style: none;
	margin: 1.25rem 0 0;
	padding: 0;
	display: grid;
	gap: 1.5rem;
	grid-template-columns: repeat(3, 1fr);
}

.hkb-certs__list strong {
	display: block;
	font-weight: 500;
}

.hkb-certs__list span {
	color: var(--hkb-mute);
	font-size: 0.88rem;
}

.hkb-certs__note {
	margin: 1.5rem 0 0;
	color: var(--hkb-mute);
	font-size: 0.82rem;
	max-width: 40rem;
}

@media (max-width: 720px) {
	.hkb-certs__list {
		grid-template-columns: 1fr;
	}
}

/* Services — 2-col definition list, not numbered cards */

.hkb-deflist {
	margin: 2rem 0 0;
	padding: 0;
	border-top: 1px solid var(--hkb-line);
}

.hkb-deflist__row {
	display: grid;
	grid-template-columns: minmax(10rem, 0.4fr) 1fr;
	gap: 1.25rem;
	padding: 1.15rem 0;
	border-bottom: 1px solid var(--hkb-line);
}

.hkb-deflist dt {
	margin: 0;
	font-weight: 500;
}

.hkb-deflist dd {
	margin: 0;
	color: var(--hkb-mute);
}

@media (max-width: 640px) {
	.hkb-deflist__row {
		grid-template-columns: 1fr;
		gap: 0.35rem;
	}
}

.hkb-about__grid,
.hkb-contact__grid,
.hkb-hours__grid {
	display: grid;
	gap: 2.5rem;
}

@media (min-width: 860px) {
	.hkb-about__grid,
	.hkb-contact__grid,
	.hkb-hours__grid {
		grid-template-columns: 0.85fr 1.15fr;
		align-items: start;
	}
}

.hkb-prose {
	max-width: 40rem;
}

.hkb-prose p:first-child {
	margin-top: 0;
}

.hkb-hours__text,
.hkb-contact__hours {
	white-space: pre-wrap;
	margin: 0;
}

/* Contact */

.hkb-contact-panel {
	border: 1px solid var(--hkb-line);
	padding: 1.5rem;
	background: #fff;
}

.hkb-form label {
	display: block;
	font-weight: 500;
	font-size: 0.88rem;
	margin-bottom: 0.3rem;
}

.hkb-form input,
.hkb-form textarea {
	width: 100%;
	margin-top: 0.2rem;
	margin-bottom: 0.9rem;
	border: 1px solid var(--hkb-line);
	background: #fff;
	color: var(--hkb-ink);
	font: inherit;
	padding: 0.65rem 0.7rem;
	border-radius: 0;
}

.hkb-form input:focus,
.hkb-form textarea:focus {
	outline: 1px solid var(--hkb-brand);
	border-color: var(--hkb-brand);
}

.hkb-form-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.6rem;
}

.hkb-honey {
	position: absolute;
	left: -9999px;
}

.hkb-banner {
	padding: 0.7rem 0.85rem;
	margin: 0 0 1rem;
	font-size: 0.92rem;
}

.hkb-banner--ok {
	background: #eef4ee;
}

.hkb-banner--warn,
.hkb-banner--err {
	background: #f4eeee;
}

/* Footer */

.hkb-footer {
	border-top: 1px solid var(--hkb-line);
	padding: 2.5rem 1.5rem 3rem;
}

.hkb-footer__inner {
	max-width: var(--hkb-max);
	margin: 0 auto;
	display: grid;
	gap: 0.75rem;
}

.hkb-footer__name {
	margin: 0;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	font-size: 0.82rem;
}

.hkb-footer__links {
	display: flex;
	flex-wrap: wrap;
	gap: 1.25rem;
}

.hkb-footer a {
	color: var(--hkb-ink);
	text-decoration: none;
	font-size: 0.9rem;
}

.hkb-footer a:hover {
	color: var(--hkb-brand);
}

.hkb-footer__copy {
	margin: 0.5rem 0 0;
	color: var(--hkb-mute);
	font-size: 0.82rem;
}

.hkb-footer__meta {
	margin: 0;
	color: var(--hkb-mute);
	font-size: 0.82rem;
}

.hkb-page {
	padding: 3rem 1.5rem 4rem;
	max-width: var(--hkb-max);
	margin: 0 auto;
}

@media (max-width: 640px) {
	.hkb-brand__name {
		max-width: 14rem;
	}

	.hkb-hero--bleed {
		min-height: min(78vh, 34rem);
	}

	.hkb-hero--bleed .hkb-hero__inner {
		padding-top: 4.5rem;
	}
}