/* ══════════════════════════════════════════════════════════════
   Zhanchao Yang — Contact
   Loads after home.css and inherits its tokens:
   warm ivory · academic navy · restrained brick red
══════════════════════════════════════════════════════════════ */

body.contact-page {
	background: var(--bg);
	color: var(--ink);
	font-family: var(--sans);
	font-size: 16px;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	overflow-x: hidden;
}

/* ── Header ───────────────────────────────────────────────── */
.contact-hero {
	position: relative;
	padding: 142px 0 58px;
	min-height: 690px;
	border-bottom: 1px solid var(--line-soft);
	background: linear-gradient(180deg, var(--surface-warm) 0%, var(--bg) 100%);
	overflow: hidden;
}
.contact-hero-layout {
	position: relative;
	min-height: 490px;
	display: flex;
	align-items: center;
}
.contact-hero-copy {
	position: relative;
	z-index: 2;
	width: min(53%, 650px);
	padding: 30px 0 26px;
}
.contact-hero-art {
	position: absolute;
	z-index: 1;
	top: auto;
	bottom: -58px;
	left: calc(50% - 50vw);
	width: 100vw;
	margin: 0;
	pointer-events: none;
}
.contact-hero-art::after {
	content: '';
	position: absolute;
	inset: 0 auto 0 0;
	width: 68%;
	background: linear-gradient(
		90deg,
		var(--surface-warm) 0%,
		rgba(245, 242, 236, 0.97) 64%,
		rgba(245, 242, 236, 0.76) 82%,
		transparent 100%
	);
}
.contact-hero-art img {
	display: block;
	width: 100%;
	height: auto;
	mix-blend-mode: multiply;
	-webkit-mask-image: linear-gradient(
		180deg,
		transparent 0%,
		rgba(0, 0, 0, 0.28) 5%,
		#000 18%,
		#000 88%,
		rgba(0, 0, 0, 0.55) 96%,
		transparent 100%
	);
	mask-image: linear-gradient(
		180deg,
		transparent 0%,
		rgba(0, 0, 0, 0.28) 5%,
		#000 18%,
		#000 88%,
		rgba(0, 0, 0, 0.55) 96%,
		transparent 100%
	);
}
.contact-hero-eyebrow {
	font-size: 0.76rem;
	font-weight: 600;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--red);
	margin-bottom: 14px;
}
.contact-hero h1 {
	font-family: var(--serif);
	font-weight: 600;
	font-size: clamp(2.3rem, 5vw, 3.4rem);
	line-height: 1.08;
	letter-spacing: -0.01em;
	margin-bottom: 12px;
	max-width: 720px;
}
.contact-hero h1 em {
	font-style: italic;
	color: var(--red);
}
.contact-hero-identity {
	font-size: 1.02rem;
	font-weight: 500;
	letter-spacing: 0.02em;
	color: var(--ink-soft);
	margin-bottom: 18px;
}
.contact-hero-identity .dot {
	color: var(--red);
	margin: 0 6px;
}
.contact-hero-statement {
	font-family: var(--serif);
	font-size: 1.08rem;
	line-height: 1.7;
	color: var(--ink-soft);
	max-width: 620px;
	margin-bottom: 26px;
}
.contact-hero-statement em {
	font-style: italic;
	color: var(--ink);
}
.contact-hero-actions {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 14px;
	margin-bottom: 18px;
}
.contact-hero .btn-primary {
	border-radius: 6px;
	padding: 13px 24px;
}
.btn-outline {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	border: 1px solid var(--line);
	color: var(--ink);
	font-size: 0.9rem;
	font-weight: 500;
	letter-spacing: 0.03em;
	text-decoration: none;
	padding: 12px 22px;
	border-radius: 6px;
	background: var(--surface);
	transition: border-color 0.25s ease, color 0.25s ease;
}
.btn-outline:hover {
	border-color: var(--red);
	color: var(--red);
}
.contact-hero-meta {
	margin-top: 14px;
	font-size: 0.76rem;
	font-weight: 500;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--ink-faint);
}

/* ── Card: identity + channels ────────────────────────────── */
.contact-grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	gap: 36px;
	align-items: start;
}
.contact-card {
	background: var(--surface);
	border: 1px solid var(--line-soft);
	border-radius: 6px;
	box-shadow: var(--shadow);
	padding: 34px 34px 32px;
}

/* identity */
.contact-identity-top {
	display: flex;
	align-items: center;
	gap: 18px;
	padding-bottom: 22px;
	margin-bottom: 22px;
	border-bottom: 1px solid var(--line-soft);
}
.contact-avatar {
	width: 68px;
	height: 68px;
	border-radius: 50%;
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--sand);
	border: 1px solid var(--sand-deep);
	font-family: var(--serif);
	font-size: 1.5rem;
	font-weight: 600;
	letter-spacing: 0.04em;
	color: var(--ink);
}
.contact-identity-top h2 {
	font-family: var(--serif);
	font-size: 1.42rem;
	font-weight: 600;
	line-height: 1.25;
	margin-bottom: 4px;
}
.contact-identity-top p {
	font-size: 0.8rem;
	font-weight: 500;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--ink-faint);
}
.contact-roles {
	list-style: none;
}
.contact-roles li {
	position: relative;
	padding-left: 18px;
	font-size: 0.94rem;
	line-height: 1.6;
	color: var(--ink-soft);
	margin-bottom: 12px;
}
.contact-roles li::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0.62em;
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--sand-deep);
}
.contact-roles li:last-child {
	margin-bottom: 0;
}
.contact-roles strong {
	display: block;
	font-weight: 600;
	color: var(--ink);
}

/* channels */
.contact-channel {
	display: flex;
	align-items: flex-start;
	gap: 16px;
	padding: 18px 0;
	border-bottom: 1px solid var(--line-soft);
}
.contact-channel:first-of-type {
	padding-top: 0;
}
.contact-channel .icon-badge {
	--badge-bg: var(--surface-warm);
	border: 1px solid var(--line-soft);
	width: 44px;
	height: 44px;
}
.contact-channel .icon-badge svg {
	width: 20px;
	height: 20px;
	stroke: var(--red);
}
.contact-channel-label {
	font-size: 0.7rem;
	font-weight: 600;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--ink-faint);
	margin-bottom: 3px;
}
.contact-channel-value {
	font-family: var(--serif);
	font-size: 1.06rem;
	line-height: 1.4;
	color: var(--ink);
	text-decoration: none;
	display: inline-block;
	border-bottom: 1px solid transparent;
	transition: color 0.25s ease, border-color 0.25s ease;
}
a.contact-channel-value:hover {
	color: var(--red);
	border-bottom-color: var(--red);
}
.contact-channel-note {
	font-size: 0.84rem;
	color: var(--ink-faint);
	margin-top: 3px;
}

/* social row */
.contact-social {
	padding-top: 22px;
}
.contact-social-label {
	font-size: 0.7rem;
	font-weight: 600;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	color: var(--ink-faint);
	margin-bottom: 12px;
}
.contact-social-links {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}
.contact-social-links a {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-size: 0.85rem;
	font-weight: 500;
	color: var(--ink-soft);
	text-decoration: none;
	border: 1px solid var(--line);
	border-radius: 100px;
	padding: 8px 16px;
	background: var(--surface);
	transition: color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.contact-social-links a svg {
	width: 15px;
	height: 15px;
	flex-shrink: 0;
}
.contact-social-links a:hover {
	color: var(--red);
	border-color: var(--red);
	transform: translateY(-1px);
}

/* ── Map ──────────────────────────────────────────────────── */
.section-map {
	background: var(--surface-warm);
	border-top: 1px solid var(--line-soft);
	border-bottom: 1px solid var(--line-soft);
}
.map-frame {
	position: relative;
	border: 1px solid var(--line-soft);
	border-radius: 6px;
	overflow: hidden;
	box-shadow: var(--shadow);
	background: var(--surface);
}
.map-frame iframe {
	display: block;
	width: 100%;
	height: 440px;
	border: 0;
	filter: saturate(0.82);
}
.map-info {
	position: absolute;
	left: 22px;
	bottom: 22px;
	max-width: 280px;
	background: var(--surface);
	border: 1px solid var(--line-soft);
	border-left: 3px solid var(--red);
	border-radius: 4px;
	box-shadow: var(--shadow-lift);
	padding: 18px 22px;
}
.map-info h3 {
	font-family: var(--serif);
	font-size: 1.1rem;
	font-weight: 600;
	margin-bottom: 6px;
}
.map-info p {
	font-size: 0.86rem;
	line-height: 1.55;
	color: var(--ink-soft);
}
.map-info a {
	display: inline-block;
	margin-top: 10px;
	font-size: 0.82rem;
	font-weight: 600;
	color: var(--red);
	text-decoration: none;
}
.map-info a .arrow {
	display: inline-block;
	transition: transform 0.3s ease;
}
.map-info a:hover .arrow {
	transform: translateX(4px);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 960px) {
	.contact-hero {
		min-height: 0;
	}
	.contact-hero-layout {
		display: block;
		min-height: 0;
	}
	.contact-hero-copy {
		width: min(82%, 650px);
	}
	.contact-grid {
		grid-template-columns: 1fr;
		gap: 24px;
	}
}

@media (max-width: 720px) {
	.contact-hero {
		padding: 112px 0 0;
	}
	.contact-hero-copy {
		width: 100%;
		padding: 0 0 28px;
	}
	.contact-hero-art {
		position: relative;
		top: auto;
		bottom: auto;
		left: auto;
		width: 100vw;
		height: 220px;
		margin-left: calc(50% - 50vw);
		transform: none;
		overflow: hidden;
	}
	.contact-hero-art::after {
		display: none;
	}
	.contact-hero-art img {
		width: 740px;
		max-width: none;
		height: 247px;
		object-fit: cover;
		transform: translateX(-45%);
	}
	.contact-card {
		padding: 26px 24px;
	}
	.contact-identity-top {
		gap: 14px;
	}
	.contact-avatar {
		width: 56px;
		height: 56px;
		font-size: 1.25rem;
	}
	.map-frame iframe {
		height: 340px;
	}
	.map-info {
		position: static;
		max-width: none;
		border-radius: 0;
		border-left: none;
		border-top: 3px solid var(--red);
		box-shadow: none;
	}
}