:root {
	--color-bg: #020914;
	--color-bg-elevated: #071321;
	--color-surface: rgba(9, 24, 39, 0.84);
	--color-surface-strong: #0b1b2c;
	--color-primary: #39e6c5;
	--color-primary-strong: #19cfae;
	--color-secondary: #2d8cff;
	--color-text: #f2f6fa;
	--color-text-muted: #9aa9ba;
	--color-text-subtle: #6f8296;
	--color-border: rgba(119, 151, 178, 0.22);
	--color-border-strong: rgba(57, 230, 197, 0.42);
	--color-focus: #7ff5df;
	--gradient-primary: linear-gradient(135deg, #68f1d7 0%, #20d8b6 100%);
	--gradient-surface: linear-gradient(145deg, rgba(11, 31, 49, 0.96), rgba(4, 14, 26, 0.94));
	--font-sans: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	--font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
	--text-xs: 0.75rem;
	--text-sm: 0.875rem;
	--text-base: 1rem;
	--text-lg: 1.125rem;
	--text-xl: 1.25rem;
	--text-2xl: clamp(1.5rem, 2vw, 2rem);
	--text-3xl: clamp(2rem, 4vw, 3.75rem);
	--leading-tight: 1.2;
	--leading-base: 1.7;
	--space-1: 0.25rem;
	--space-2: 0.5rem;
	--space-3: 0.75rem;
	--space-4: 1rem;
	--space-5: 1.25rem;
	--space-6: 1.5rem;
	--space-8: 2rem;
	--space-10: 2.5rem;
	--space-12: 3rem;
	--space-16: 4rem;
	--radius-sm: 0.375rem;
	--radius-md: 0.5rem;
	--radius-lg: 0.5rem;
	--shadow-card: 0 16px 42px rgba(0, 5, 12, 0.3);
	--shadow-glow: 0 0 28px rgba(57, 230, 197, 0.16);
	--container: 85.625rem;
	--gutter: 3.75rem;
	--header-height: 3.5rem;
	--z-header: 100;
	--z-menu: 90;
}

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

html { color-scheme: dark; scroll-behavior: auto; }

body {
	margin: 0;
	background:
		radial-gradient(circle at 70% 8%, rgba(21, 112, 155, 0.13), transparent 32rem),
		var(--color-bg);
	color: var(--color-text);
	font-family: var(--font-sans);
	font-size: var(--text-base);
	line-height: var(--leading-base);
	-webkit-font-smoothing: antialiased;
	overflow-x: clip;
}

body::before {
	position: fixed;
	z-index: -1;
	inset: 0;
	background-image: linear-gradient(rgba(45, 123, 153, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(45, 123, 153, 0.025) 1px, transparent 1px);
	background-size: 42px 42px;
	content: "";
	pointer-events: none;
}

body.menu-open { overflow: hidden; }

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
:where(p, li, h1, h2, h3, h4, a) { overflow-wrap: anywhere; }

:focus-visible {
	outline: 2px solid var(--color-focus);
	outline-offset: 3px;
}

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.container {
	width: min(calc(100% - (2 * var(--gutter))), var(--container));
	margin-inline: auto;
}

.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--space-6); }
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); }
.content-layout { display: grid; grid-template-columns: minmax(0, 3fr) minmax(16rem, 1fr); gap: var(--space-6); }
.section { padding-block: var(--space-16); }
.section__title { margin: 0; font-size: var(--text-2xl); line-height: var(--leading-tight); }

.site-header {
	position: relative;
	z-index: var(--z-header);
	min-height: var(--header-height);
	border-bottom: 1px solid var(--color-border);
	background: rgba(2, 9, 20, 0.86);
	backdrop-filter: blur(18px);
}

.site-header__inner { min-height: var(--header-height); display: flex; align-items: center; gap: var(--space-8); }
.site-header__brand { display: inline-flex; align-items: center; flex: 0 0 auto; font-size: var(--text-xl); font-weight: 800; letter-spacing: -0.035em; }
.site-header__logo { width: auto; max-height: 2.25rem; }
.site-header__logo + .site-header__name { display: none; }
.site-header__navigation { margin-left: auto; }
.site-header__navigation ul { display: flex; align-items: center; gap: var(--space-10); padding: 0; margin: 0; list-style: none; }
.site-header__navigation a { position: relative; display: block; padding: 1rem 0; color: #8999aa; font-size: .82rem; transition: color .2s ease; }
.site-header__navigation a:hover { color: var(--color-text); }
.site-header__navigation .current-menu-item > a { color: var(--color-text); }
.site-header__navigation .current-menu-item > a::after { content: ""; position: absolute; right: 0; bottom: 0; left: 0; height: 2px; background: var(--color-primary); }
.site-header__action { flex: 0 0 auto; }
.site-header__toggle { display: none; width: 2.75rem; height: 2.75rem; padding: 0.75rem; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); color: var(--color-text); }
.site-header__toggle-line { display: block; width: 100%; height: 1px; background: currentColor; }
.site-header__toggle-line + .site-header__toggle-line { margin-top: 0.45rem; }

.button {
	display: inline-flex;
	min-height: 2.75rem;
	align-items: center;
	justify-content: center;
	padding: 0.7rem 1.45rem;
	border: 1px solid var(--color-border);
	border-radius: .35rem;
	background: transparent;
	color: var(--color-text);
	font-weight: 700;
	line-height: 1;
	cursor: pointer;
	will-change: transform;
}

.button--primary { border-color: transparent; background: var(--gradient-primary); color: #022018; box-shadow: var(--shadow-glow); }
.button--secondary { background: rgba(7, 19, 33, 0.72); }

.tag {
	display: inline-flex;
	min-height: 1.65rem;
	align-items: center;
	padding: 0.25rem 0.6rem;
	border: 1px solid rgba(57, 230, 197, 0.15);
	border-radius: var(--radius-sm);
	background: rgba(57, 230, 197, 0.09);
	color: #72e6d0;
	font-size: var(--text-xs);
	line-height: 1.2;
	will-change: transform;
}

.stat-card,
.content-card,
.sidebar-card {
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	background: var(--gradient-surface);
	box-shadow: var(--shadow-card);
	will-change: transform;
}

.stat-card { display: flex; min-height: 7rem; align-items: center; gap: var(--space-4); padding: var(--space-5); }
.stat-card__icon { display: grid; width: 4rem; aspect-ratio: 1; flex: 0 0 auto; place-items: center; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: rgba(20, 52, 78, 0.44); }
.stat-card__icon img { width: 2rem; height: 2rem; object-fit: contain; }
.stat-card__body { min-width: 0; }
.stat-card__value { display: block; font-size: var(--text-2xl); line-height: 1; }
.stat-card__label { display: block; margin-top: var(--space-1); color: var(--color-text); }
.stat-card__description { margin: var(--space-1) 0 0; color: var(--color-text-subtle); font-size: var(--text-xs); }

.content-card { display: flex; min-width: 0; flex-direction: column; overflow: hidden; }
.content-card__media { aspect-ratio: 16 / 9; overflow: hidden; background: var(--color-surface-strong); }
.content-card__image { width: 100%; height: 100%; object-fit: cover; }
.content-card__body { display: flex; flex: 1; flex-direction: column; padding: var(--space-5); }
.content-card__title { margin: 0; font-size: var(--text-lg); line-height: 1.4; }
.content-card__description { margin: var(--space-2) 0 0; color: var(--color-text-muted); font-size: var(--text-sm); }
.content-card__tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.content-card__meta { margin: auto 0 0; padding-top: var(--space-4); color: var(--color-text-subtle); font-size: var(--text-xs); }

.sidebar-card { padding: var(--space-5); }
.sidebar-card__title { margin: 0 0 var(--space-4); font-size: var(--text-lg); }
.sidebar-card__content { color: var(--color-text-muted); font-size: var(--text-sm); }
.sidebar-card__content > :first-child { margin-top: 0; }
.sidebar-card__content > :last-child { margin-bottom: 0; }

.search-form { display: flex; gap: var(--space-3); }
.search-form__input,
.subscription-bar__input {
	width: 100%;
	min-height: 2.75rem;
	padding: 0.7rem 1rem;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	background: rgba(2, 10, 20, 0.7);
	color: var(--color-text);
}
.search-form__input::placeholder,
.subscription-bar__input::placeholder { color: var(--color-text-subtle); }

.subscription-bar { display: grid; grid-template-columns: minmax(0, 1fr) minmax(22rem, 0.9fr); gap: var(--space-10); align-items: center; margin-top: var(--space-12); padding: var(--space-6) var(--space-8); border: 1px solid var(--color-border-strong); border-radius: var(--radius-lg); background: linear-gradient(100deg, rgba(12, 105, 104, 0.58), rgba(3, 16, 29, 0.92) 38%); }
.subscription-bar__title { margin: 0; font-size: var(--text-xl); }
.subscription-bar__description { margin: var(--space-1) 0 0; color: var(--color-text-muted); font-size: var(--text-sm); }
.subscription-bar__form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-3); }
.subscription-bar__note { grid-column: 1 / -1; color: var(--color-text-subtle); }

.site-footer { padding: var(--space-8) 0 max(var(--space-8), env(safe-area-inset-bottom)); color: var(--color-text-muted); font-size: var(--text-sm); }
.site-footer__inner { display: grid; grid-template-columns: auto 1fr; gap: var(--space-6) var(--space-10); align-items: center; }
.site-footer ul { display: flex; flex-wrap: wrap; gap: var(--space-5); padding: 0; margin: 0; list-style: none; }
.site-footer__socials { justify-self: end; }
.site-footer__meta { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: var(--space-4) var(--space-8); padding-top: var(--space-5); border-top: 1px solid var(--color-border); }
.site-footer__meta p { margin: 0; }
.site-footer__legal { margin-left: auto !important; }

.entry { width: min(calc(100% - (2 * var(--gutter))), var(--container)); margin-inline: auto; padding-block: var(--space-16); }
.entry__title { margin: 0 0 var(--space-8); font-size: var(--text-3xl); line-height: var(--leading-tight); }
.entry__content { max-width: 52rem; color: var(--color-text-muted); }

.home-page,
.library-page,
.contact-page,
.single-page,
.placeholder-page { padding-bottom: var(--space-8); }

.home-hero { position: relative; display: grid; min-height: 29rem; grid-template-columns: minmax(25rem, 0.78fr) minmax(38rem, 1.22fr); gap: clamp(2rem, 4vw, 5rem); align-items: center; padding-block: clamp(2.4rem, 4vw, 4rem); }
.home-hero::before { position: absolute; z-index: -1; right: -8vw; bottom: 0; left: 23%; height: 48%; background: repeating-linear-gradient(90deg, transparent 0 35px, rgba(29, 211, 202, 0.07) 36px), repeating-linear-gradient(0deg, transparent 0 25px, rgba(29, 211, 202, 0.055) 26px); content: ""; mask-image: linear-gradient(to top, rgba(0,0,0,.8), transparent); transform: perspective(380px) rotateX(58deg); transform-origin: bottom; pointer-events: none; }
.home-hero__copy { position: relative; z-index: 3; }
.home-hero__eyebrow { margin: 0 0 var(--space-3); color: var(--color-primary); font: 600 .78rem var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.home-hero__title { max-width: 34rem; margin: 0; font-size: clamp(2.5rem, 3.75vw, 3.7rem); line-height: 1.12; letter-spacing: -0.045em; text-wrap: balance; }
.home-hero__title em,
.contact-hero h1 em { color: var(--color-primary); font-style: normal; }
.home-hero__subtitle { margin: var(--space-4) 0 0; color: #c8d3de; font-size: 1.12rem; font-weight: 600; letter-spacing: .01em; }
.home-hero__description { max-width: 34rem; margin: var(--space-3) 0 0; color: #8596a8; font-size: .92rem; line-height: 1.8; }
.home-hero__actions,
.single-hero__actions,
.contact-hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: 1.6rem; }
.home-hero__focus,
.library-hero__highlights { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: 1.35rem; }
.home-hero__visual { position: relative; min-height: 25rem; perspective: 1000px; }
.home-hero__visual--image { display: grid; place-items: center; }
.home-hero__image { width: 100%; max-height: 25rem; border: 1px solid var(--color-border); border-radius: var(--radius-lg); object-fit: cover; box-shadow: var(--shadow-card); }
.agent-console { --console-x: 0deg; --console-y: 0deg; position: absolute; inset: 0; transform: rotateX(var(--console-y)) rotateY(var(--console-x)); transform-style: preserve-3d; transition: transform .2s ease-out; }
.agent-console::before { position: absolute; inset: 8% 3% 2%; border-radius: 50%; background: radial-gradient(ellipse, rgba(10, 215, 194, 0.17), rgba(22, 92, 168, 0.08) 42%, transparent 70%); content: ""; filter: blur(28px); }
.agent-console__grid { position: absolute; inset: 3%; background-image: linear-gradient(rgba(38, 174, 181, .07) 1px, transparent 1px), linear-gradient(90deg, rgba(38, 174, 181, .07) 1px, transparent 1px); background-size: 28px 28px; mask-image: radial-gradient(ellipse, #000 15%, transparent 72%); }
.console-card { position: absolute; overflow: hidden; border: 1px solid rgba(75, 139, 170, .31); border-radius: .55rem; background: linear-gradient(145deg, rgba(7, 22, 36, .96), rgba(3, 12, 24, .9)); box-shadow: 0 18px 50px rgba(0, 4, 12, .44), inset 0 1px 0 rgba(255,255,255,.025); backdrop-filter: blur(14px); }
.console-card__bar { display: flex; height: 1.75rem; align-items: center; gap: .28rem; padding: 0 .65rem; border-bottom: 1px solid rgba(91, 145, 171, .18); color: #6f8497; font-size: .55rem; }
.console-card__bar span { width: .3rem; height: .3rem; border-radius: 50%; background: #29465a; }
.console-card__bar code { margin-left: .25rem; }
.agent-console__code { top: 0; left: 2%; width: 31%; transform: translateZ(18px); }
.agent-console__code pre { padding: .65rem .75rem .8rem; margin: 0; color: #8ca2b5; font: 500 clamp(.46rem, .63vw, .61rem)/1.75 var(--font-mono); white-space: pre-wrap; }
.agent-console__code i { color: #3d586d; font-style: normal; }.agent-console__code b { color: #46d5f1; }.agent-console__code em { color: #69efcf; font-style: normal; }.agent-console__code u { color: #b1a1ff; text-decoration: none; }
.agent-console__terminal { bottom: 4%; left: 0; width: 34%; transform: translateZ(30px); }
.agent-console__terminal p { padding: 0 .75rem; margin: .28rem 0; color: #839aad; font: .58rem/1.4 var(--font-mono); }.agent-console__terminal p:last-child { margin-bottom: .65rem; }.agent-console__terminal p b,.agent-console__terminal .is-live { color: #42e5c5; }.agent-console__terminal .is-live span { animation: console-cursor .8s steps(1) infinite; }
.agent-console__network { position: absolute; top: 11%; left: 32%; width: 35%; height: 66%; background: radial-gradient(circle, rgba(33, 230, 197, .13), transparent 48%); }
.agent-console__network::before,.agent-console__network::after { position: absolute; top: 50%; left: 50%; width: 78%; height: 1px; background: linear-gradient(90deg, transparent, #1ccab5, transparent); content: ""; transform: translate(-50%,-50%) rotate(32deg); box-shadow: 0 0 10px #16a892; }.agent-console__network::after { transform: translate(-50%,-50%) rotate(-42deg); }
.agent-core { position: absolute; z-index: 2; top: 50%; left: 50%; display: grid; width: 4.8rem; aspect-ratio: 1; place-content: center; border: 1px solid #35e9c9; border-radius: 38% 62% 55% 45%; background: radial-gradient(circle at 35% 28%, #157e82, #062f42 54%, #031722); color: #eafffb; font-size: .76rem; line-height: 1.1; text-align: center; box-shadow: 0 0 30px rgba(42, 230, 201, .35), inset 0 0 18px rgba(55, 238, 213, .2); transform: translate(-50%,-50%) rotate(-5deg); animation: agent-core-float 4s ease-in-out infinite; }.agent-core small { font-size: 1.2rem; }
.agent-node { position: absolute; z-index: 2; padding: .35rem .45rem; border: 1px solid rgba(48, 220, 197, .35); border-radius: .45rem; background: #071b2b; color: #9fb5c7; font: .48rem var(--font-mono); box-shadow: 0 0 15px rgba(31, 204, 183, .12); }.agent-node--memory { top: 0; left: 42%; }.agent-node--tools { top: 35%; left: 0; }.agent-node--plan { top: 28%; right: 0; }.agent-node--action { right: 8%; bottom: 3%; }
.agent-console__usage { top: 0; right: 0; width: 31%; padding: .75rem; transform: translateZ(24px); }.metric-label { display: flex; justify-content: space-between; color: #93a7b8; font-size: .55rem; }.metric-label small { color: #5f7689; }.agent-console__usage > strong { display: block; margin-top: .4rem; color: #edf9f7; font-size: .72rem; }.agent-console__usage > strong small { color: #607588; font-weight: 500; }.metric-progress { height: .23rem; margin-top: .45rem; overflow: hidden; border-radius: 1rem; background: #132839; }.metric-progress i { display: block; width: 42%; height: 100%; background: linear-gradient(90deg,#23e7c3,#24a9ff); box-shadow: 0 0 9px #25ddc0; }
.agent-console__chart { top: 27%; right: 0; width: 32%; height: 7.6rem; padding: .75rem; transform: translateZ(38px); }.agent-console__chart svg { width: 100%; height: 4.7rem; overflow: visible; }.chart-area { fill: url(#chartFill); }.chart-line { fill: none; stroke: #24dfe0; stroke-width: 1.7; vector-effect: non-scaling-stroke; filter: drop-shadow(0 0 4px #10bccc); }
.agent-console__runs { right: 3%; bottom: 0; width: 31%; padding: .72rem; transform: translateZ(26px); }.agent-console__runs ul { padding: 0; margin: .45rem 0 0; list-style: none; }.agent-console__runs li { display: flex; justify-content: space-between; padding: .22rem 0; color: #8197a9; font-size: .5rem; }.agent-console__runs li b { color: #34dcb8; font-weight: 500; }.agent-console__runs li .is-running { color: #34aaff; }.agent-console__runs li .is-failed { color: #ff6d7c; }
@keyframes agent-core-float { 0%,100% { transform: translate(-50%,-50%) rotate(-5deg) translateY(-2px); } 50% { transform: translate(-50%,-50%) rotate(2deg) translateY(4px); } }
@keyframes console-cursor { 50% { opacity: 0; } }
.home-stats { margin-bottom: .75rem; }
.home-stats .stat-grid { gap: 0; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: rgba(5, 17, 29, .7); }
.home-stats .stat-card { min-height: 5.35rem; padding: .7rem 1.5rem; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.home-stats .stat-card + .stat-card { border-left: 1px solid var(--color-border); }
.home-stats .stat-card__icon { width: 3rem; border-color: rgba(54, 135, 168, .24); background: linear-gradient(145deg, rgba(13, 52, 75, .78), rgba(5, 23, 39, .8)); }
.home-stats .stat-card__icon img { width: 1.55rem; height: 1.55rem; }
.home-stats .stat-card__value { font-size: 1.45rem; }
.home-stats .stat-card__label { margin-top: .15rem; font-size: .8rem; }
.home-stats .stat-card__description { margin-top: 0; font-size: .66rem; }
.home-showcase { display: grid; grid-template-columns: 1.65fr 1fr 0.95fr; gap: var(--space-3); }
.home-panel { min-width: 0; padding: .9rem 1rem 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: linear-gradient(145deg, rgba(7, 20, 34, .82), rgba(3, 13, 25, .78)); }
.home-panel__header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .8rem; }
.home-panel__header a { color: #73879a; font-size: .68rem; transition: color .2s ease; }
.home-panel__header a:hover { color: var(--color-primary); }
.home-panel__header a span { margin-left: .3rem; }
.home-panel__title { margin: 0; font-size: .95rem; letter-spacing: .01em; }
.home-panel--projects .card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.home-panel--projects .card-grid { gap: .55rem; }
.home-panel--projects .content-card { border-color: rgba(98, 133, 159, .18); border-radius: .38rem; box-shadow: none; }
.home-panel--projects .content-card__body { padding: .65rem; }
.home-panel--projects .content-card__title { font-size: .78rem; }
.home-panel--projects .content-card__description { display: -webkit-box; overflow: hidden; margin-top: .35rem; font-size: .64rem; line-height: 1.5; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.home-panel--projects .content-card__tags { gap: .3rem; margin-top: .55rem; }
.home-panel--projects .tag { min-height: 1.25rem; padding: .15rem .35rem; font-size: .55rem; }
.home-panel--articles .content-card,
.home-panel--insights .content-card { display: grid; grid-template-columns: 6.2rem 1fr; margin-bottom: .55rem; border: 0; border-radius: .35rem; background: rgba(8, 24, 39, .72); box-shadow: none; }
.home-panel--articles .content-card__media,
.home-panel--insights .content-card__media { aspect-ratio: 4 / 3; }
.home-panel--articles .content-card__body,
.home-panel--insights .content-card__body { padding: .55rem .65rem; }
.home-panel--articles .content-card__title,
.home-panel--insights .content-card__title { font-size: .72rem; line-height: 1.35; }
.home-panel--articles .content-card__meta,
.home-panel--insights .content-card__meta { padding-top: .35rem; font-size: .56rem; }
.home-panel--articles .content-card__description,
.home-panel--articles .content-card__tags,
.home-panel--insights .content-card__description,
.home-panel--insights .content-card__tags { display: none; }
.profile-card { display: grid; grid-template-columns: 7rem minmax(0, 1.3fr) minmax(18rem, 1fr); gap: var(--space-6); align-items: center; margin-top: .75rem; padding: 1rem 1.7rem; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: linear-gradient(115deg, rgba(7, 25, 41, .94), rgba(4, 14, 26, .85)); }
.profile-card__image { overflow: hidden; aspect-ratio: 1; border-radius: var(--radius-md); }
.profile-card__portrait { width: 100%; height: 100%; object-fit: cover; }
.profile-card__copy h2 { margin: 0; font-size: 1rem; }
.profile-card__copy p { margin: .45rem 0; color: var(--color-text-muted); font-size: .75rem; }
.profile-card__copy ul { display: flex; flex-wrap: wrap; gap: var(--space-5); padding: 0; margin: var(--space-3) 0 0; list-style: none; }
.profile-card__copy li { display: flex; gap: var(--space-2); font-size: .68rem; }
.profile-card__copy li span { color: var(--color-text-muted); }
.profile-card__skills,
.tag-cloud { display: flex; flex-wrap: wrap; gap: var(--space-2); }

.library-hero { display: grid; grid-template-columns: minmax(20rem, 0.75fr) minmax(38rem, 1.25fr); gap: var(--space-10); align-items: center; min-height: 13rem; padding-block: var(--space-6); }
.library-hero__title { margin: 0; font-size: clamp(2rem, 3vw, 3rem); line-height: 1.15; }
.library-hero__subtitle { margin: var(--space-2) 0 0; color: var(--color-text); font-size: var(--text-lg); }
.library-hero__description { max-width: 36rem; margin: var(--space-2) 0 0; color: var(--color-text-muted); }
.library-hero .stat-grid { gap: var(--space-3); }
.library-hero .stat-card { align-items: flex-start; flex-direction: column; }
.library-filter { display: grid; grid-template-columns: minmax(15rem, 20rem) minmax(0, 1fr) auto auto; gap: var(--space-3); align-items: center; margin-bottom: var(--space-5); padding: var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: rgba(5, 17, 29, 0.72); }
.library-filter__search,
.library-filter select,
.inquiry-form input,
.inquiry-form select,
.inquiry-form textarea { width: 100%; min-height: 2.75rem; padding: 0.65rem 0.85rem; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: rgba(2, 10, 20, 0.75); color: var(--color-text); }
.library-filter__terms { display: flex; min-width: 0; flex-wrap: wrap; gap: var(--space-2); }
.filter-chip input { position: absolute; opacity: 0; pointer-events: none; }
.filter-chip span { display: inline-flex; min-height: 2.3rem; align-items: center; padding: 0.4rem 0.75rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm); color: var(--color-text-muted); cursor: pointer; }
.filter-chip.is-active span,
.filter-chip input:checked + span { border-color: var(--color-border-strong); background: rgba(57, 230, 197, 0.12); color: var(--color-primary); }
.featured-block { margin-bottom: var(--space-3); }
.featured-block .content-card { display: grid; grid-template-columns: minmax(20rem, 0.75fr) minmax(0, 1.25fr); }
.featured-block .content-card__media { aspect-ratio: 16 / 8; }
.featured-block .content-card__body { justify-content: center; padding: var(--space-8); }
.featured-block .content-card__title { font-size: var(--text-2xl); }
.library-page > .content-layout { grid-template-columns: minmax(0, 3fr) minmax(16rem, 0.95fr); }
.library-sidebar { display: flex; flex-direction: column; gap: var(--space-3); }
.term-distribution { padding: 0; margin: 0; list-style: none; }
.term-distribution li { display: grid; grid-template-columns: 6rem 1fr 2rem; gap: var(--space-2); align-items: center; margin-top: var(--space-2); font-size: var(--text-xs); }
.term-distribution__bar { height: 0.3rem; overflow: hidden; border-radius: 1rem; background: rgba(119, 151, 178, 0.15); }
.term-distribution__bar i { display: block; width: var(--term-size); height: 100%; background: var(--color-primary); }
.popular-list { padding-left: 1.4rem; margin: 0; color: var(--color-primary); }
.popular-list li { padding: var(--space-2) 0; }
.popular-list a { color: var(--color-text); }
.pagination ul { display: flex; flex-wrap: wrap; gap: var(--space-2); padding: 0; margin: var(--space-6) 0 0; list-style: none; }
.pagination a,
.pagination span { display: grid; min-width: 2.5rem; min-height: 2.5rem; place-items: center; border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.pagination .current { border-color: var(--color-primary); color: var(--color-primary); }
.empty-state { padding: var(--space-8); border: 1px solid var(--color-border); border-radius: var(--radius-lg); color: var(--color-text-muted); }

.single-page { max-width: 72rem; padding-top: var(--space-10); }
.single-hero { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-10); align-items: center; }
.single-hero h1,
.article-header h1 { margin: 0; font-size: var(--text-3xl); line-height: var(--leading-tight); }
.single-hero__copy > p:not(.single-hero__meta) { color: var(--color-text-muted); font-size: var(--text-lg); }
.single-hero__meta,
.article-header__meta { color: var(--color-primary); font-family: var(--font-mono); font-size: var(--text-sm); }
.single-hero__media,
.article-header__image { overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.single-hero__image { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.single-stats { margin-top: var(--space-8); }
.single-content { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); margin-top: var(--space-8); }
.single-content section { padding: var(--space-6); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--gradient-surface); }
.single-content h2 { margin-top: 0; }
.prose { color: var(--color-text-muted); }
.prose > :first-child { margin-top: 0; }
.prose img { border-radius: var(--radius-md); }
.project-gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); margin-top: var(--space-8); }
.project-gallery img { width: 100%; border-radius: var(--radius-lg); }
.article-header { max-width: 60rem; margin-inline: auto; text-align: center; }
.article-header blockquote { margin: var(--space-5) 0; padding: var(--space-5); border: 1px solid var(--color-border-strong); border-radius: var(--radius-lg); color: var(--color-text-muted); }
.article-header__image { width: 100%; margin-top: var(--space-8); }
.article-body { max-width: 48rem; margin: var(--space-10) auto; font-size: var(--text-lg); }

.contact-hero { display: grid; grid-template-columns: 0.9fr 1.15fr 0.65fr; gap: var(--space-6); align-items: center; padding-block: var(--space-6); }
.contact-hero h1 { margin: 0; font-size: var(--text-3xl); line-height: var(--leading-tight); }
.contact-hero__subtitle { color: var(--color-text); font-size: var(--text-xl); }
.contact-hero__copy > p:last-of-type { color: var(--color-text-muted); }
.contact-hero__image { max-height: 17rem; margin-inline: auto; object-fit: contain; }
.contact-hero__stats .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.contact-hero__stats .stat-card { min-height: 6rem; padding: var(--space-3); }
.service-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); margin-bottom: var(--space-3); }
.service-card { display: grid; grid-template-columns: 3.5rem 1fr; padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--gradient-surface); }
.service-card > div { grid-row: 1 / 3; }
.service-card img { width: 2.5rem; height: 2.5rem; object-fit: contain; }
.service-card h2 { margin: 0; font-size: var(--text-base); }
.service-card p { margin: var(--space-1) 0 0; color: var(--color-text-muted); font-size: var(--text-xs); }
.contact-layout { display: grid; grid-template-columns: 1.45fr 1fr; gap: var(--space-4); }
.contact-form-card,
.workflow,
.faq-section { padding: var(--space-5); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: rgba(5, 17, 29, 0.72); }
.contact-form-card h2,
.workflow > h2,
.faq-section > h2 { margin: 0 0 var(--space-4); font-size: var(--text-lg); }
.inquiry-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3) var(--space-4); }
.inquiry-form label > span { display: block; margin-bottom: var(--space-1); color: var(--color-text-muted); font-size: var(--text-xs); }
.inquiry-form__message,
.inquiry-form__consent,
.inquiry-form__note { grid-column: 1 / -1; }
.inquiry-form__consent { display: flex; align-items: flex-start; gap: var(--space-2); }
.inquiry-form__consent input { width: auto; min-height: 0; margin-top: 0.3rem; }
.inquiry-form__note { margin: 0; color: var(--color-text-subtle); font-size: var(--text-xs); }
.inquiry-form__honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.form-notice { margin-bottom: var(--space-4); padding: var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: rgba(45, 140, 255, 0.1); }
.form-notice--success { border-color: var(--color-border-strong); background: rgba(57, 230, 197, 0.1); }
.form-notice--error,
.form-notice--invalid,
.form-notice--expired,
.form-notice--rate_limited { border-color: rgba(255, 105, 105, 0.45); background: rgba(255, 75, 75, 0.08); }
.form-notice p { margin: 0; }
.form-notice small { color: var(--color-text-subtle); font-family: var(--font-mono); }
.contact-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.contact-methods { padding: 0; margin: 0; list-style: none; }
.contact-methods li { padding: var(--space-2); border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.contact-methods li + li { margin-top: var(--space-2); }
.contact-methods strong,
.contact-methods span { display: block; }
.contact-methods span { color: var(--color-text-muted); font-size: var(--text-xs); }
.qr-card { text-align: center; }
.qr-card__image { max-width: 10rem; margin-inline: auto; }
.workflow { display: grid; grid-template-columns: auto 1fr; gap: var(--space-6); align-items: center; margin-top: var(--space-3); }
.workflow > h2 { margin: 0; }
.workflow ol { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); padding: 0; margin: 0; list-style: none; }
.workflow li { display: flex; gap: var(--space-3); padding: var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.workflow li > strong { color: var(--color-primary); font-size: var(--text-xl); }
.workflow h3 { margin: 0; font-size: var(--text-sm); }
.workflow p { margin: var(--space-1) 0 0; color: var(--color-text-muted); font-size: var(--text-xs); }
.faq-section { display: grid; grid-template-columns: auto 1fr; gap: var(--space-6); align-items: start; margin-top: var(--space-3); }
.accordion { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
.accordion__item { border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.accordion__item h3 { margin: 0; }
.accordion__trigger { display: flex; width: 100%; min-height: 3.5rem; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-3); border: 0; background: transparent; color: var(--color-text); text-align: left; cursor: pointer; }
.accordion__trigger i { position: relative; width: 0.8rem; height: 0.8rem; flex: 0 0 auto; }
.accordion__trigger i::before,
.accordion__trigger i::after { content: ""; position: absolute; background: var(--color-primary); }
.accordion__trigger i::before { top: 50%; right: 0; left: 0; height: 1px; }
.accordion__trigger i::after { top: 0; bottom: 0; left: 50%; width: 1px; }
.accordion__body { overflow: hidden; padding: 0 var(--space-3); }
.accordion__body p { margin: 0 0 var(--space-3); color: var(--color-text-muted); font-size: var(--text-sm); }
.placeholder-page { padding-top: var(--space-16); }
.placeholder-card { display: grid; grid-template-columns: 1fr auto; gap: var(--space-8); align-items: center; max-width: 52rem; margin-inline: auto; padding: var(--space-8); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--gradient-surface); }
.placeholder-card h1 { margin: 0; font-size: var(--text-3xl); }
.placeholder-card p { color: var(--color-text-muted); }
.placeholder-card__image { width: 10rem; border-radius: var(--radius-lg); }

@media (max-width: 64rem) {
	:root { --gutter: 2rem; }
	.site-header__navigation ul { gap: var(--space-6); }
	.card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.subscription-bar { grid-template-columns: 1fr 1fr; }
	.home-hero { grid-template-columns: 1fr 1fr; }
	.home-showcase { grid-template-columns: 1fr 1fr; }
	.home-panel--projects { grid-column: 1 / -1; }
	.library-hero { grid-template-columns: 1fr; }
	.library-filter { grid-template-columns: 1fr auto; }
	.library-filter__terms { grid-column: 1 / -1; grid-row: 2; }
	.library-page > .content-layout { grid-template-columns: minmax(0, 2fr) minmax(15rem, 1fr); }
	.contact-hero { grid-template-columns: 1fr 1fr; }
	.contact-hero__stats { grid-column: 1 / -1; }
	.contact-hero__stats .stat-grid { grid-template-columns: repeat(4, 1fr); }
	.contact-sidebar { grid-template-columns: 1fr; }
	.workflow { grid-template-columns: 1fr; }
}

@media (max-width: 48rem) {
	:root { --gutter: 1.5rem; }
	.site-header__inner { justify-content: space-between; }
	.site-header__toggle { display: block; order: 3; }
	.site-header__action { margin-left: auto; }
	.site-header__navigation { position: absolute; z-index: var(--z-menu); top: 100%; right: 0; left: 0; display: block; padding: var(--space-6) var(--gutter); border-bottom: 1px solid var(--color-border); background: var(--color-bg-elevated); opacity: 1; visibility: visible; }
	.js-enabled .site-header__navigation { display: none; opacity: 0; visibility: hidden; }
	.site-header__navigation.is-open { display: block; opacity: 1; visibility: visible; }
	.site-header__navigation ul { align-items: stretch; flex-direction: column; gap: 0; }
	.site-header__navigation a { min-height: 2.75rem; padding: var(--space-3) 0; }
	.stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.home-stats .stat-card:nth-child(3) { border-top: 1px solid var(--color-border); border-left: 0; }
	.home-stats .stat-card:nth-child(4) { border-top: 1px solid var(--color-border); }
	.card-grid,
	.content-layout { grid-template-columns: 1fr; }
	.subscription-bar { grid-template-columns: 1fr; }
	.site-footer__inner { grid-template-columns: 1fr; }
	.site-footer__socials { justify-self: start; }
	.home-hero,
	.library-hero,
	.single-hero,
	.contact-hero { grid-template-columns: 1fr; }
	.home-hero__visual { order: initial; min-height: 24rem; }
	.home-hero { gap: 1.5rem; padding-block: 2.4rem; }
	.home-hero__title { max-width: 30rem; font-size: clamp(2.25rem, 9vw, 3.35rem); }
	.home-hero__description { max-width: 38rem; }
	.home-showcase,
	.profile-card,
	.library-page > .content-layout,
	.contact-layout { grid-template-columns: 1fr; }
	.profile-card__skills { grid-column: 1 / -1; }
	.profile-card { padding: 1.25rem; }
	.featured-block .content-card { grid-template-columns: 1fr; }
	.library-filter { grid-template-columns: 1fr; }
	.library-filter__terms { grid-column: auto; grid-row: auto; }
	.library-filter__submit { width: 100%; }
	.single-content { grid-template-columns: 1fr; }
	.project-gallery { grid-template-columns: 1fr; }
	.service-grid { grid-template-columns: repeat(2, 1fr); }
	.contact-hero__stats .stat-grid { grid-template-columns: repeat(2, 1fr); }
	.workflow ol { grid-template-columns: repeat(2, 1fr); }
	.faq-section { grid-template-columns: 1fr; }
	.accordion { grid-template-columns: 1fr; }
}

@media (max-width: 25.875rem) {
	:root { --gutter: 1.25rem; }
	.site-header__action { display: none; }
	.subscription-bar { padding: var(--space-5); }
	.subscription-bar__form { grid-template-columns: 1fr; }
	.search-form { flex-direction: column; }
	.search-form__submit,
	.subscription-bar .button { width: 100%; }
	.site-footer__meta { flex-direction: column; }
	.site-footer__legal { margin-left: 0 !important; }
	.home-showcase { grid-template-columns: 1fr; }
	.home-hero { min-height: auto; }
	.home-hero__visual { min-height: 20rem; }
	.agent-console__code,
	.agent-console__terminal { display: none; }
	.agent-console__network { top: 8%; left: 0; width: 57%; height: 76%; }
	.agent-console__usage,
	.agent-console__chart,
	.agent-console__runs { right: 0; width: 41%; }
	.agent-console__chart { top: 27%; }
	.home-panel--projects .card-grid { grid-template-columns: 1fr; }
	.profile-card { grid-template-columns: 1fr; }
	.profile-card__image { max-width: 8rem; }
	.service-grid,
	.inquiry-form,
	.workflow ol { grid-template-columns: 1fr; }
	.inquiry-form__message,
	.inquiry-form__consent,
	.inquiry-form__note { grid-column: auto; }
	.placeholder-card { grid-template-columns: 1fr; padding: var(--space-5); }
}

@media (max-width: 23.4375rem) {
	:root { --gutter: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	.agent-core,
	.agent-console__terminal .is-live span { animation: none; }
	.agent-console { transform: none; transition: none; }
}

@media (hover: none), (pointer: coarse) {
	a.tag,
	.filter-chip span { min-height: 2.75rem; }
}

/* Online book: AI Winter and Spring. */
.book-page { padding-bottom: var(--space-16); }
.book-hero { display: grid; grid-template-columns: minmax(24rem,.8fr) minmax(36rem,1.2fr); gap: clamp(2rem,5vw,5.5rem); align-items: center; padding-block: clamp(3.5rem,7vw,6.5rem); }
.book-eyebrow { margin: 0 0 var(--space-4); color: var(--color-primary); font: 700 var(--text-sm)/1.4 var(--font-mono); letter-spacing: .06em; }
.book-hero h1 { max-width: 38rem; margin: 0; font-size: clamp(2.6rem,5vw,5rem); line-height: 1.06; letter-spacing: -.055em; }
.book-hero__subtitle { max-width: 40rem; margin: var(--space-5) 0 0; color: #c7d5e4; font-size: var(--text-xl); }
.book-hero__author { margin: var(--space-5) 0 0; color: var(--color-primary); font-weight: 700; }
.book-hero__description { max-width: 40rem; margin-top: var(--space-4); color: var(--color-text-muted); }
.book-hero__description p { margin: 0; }
.book-hero__actions,.book-tags { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }
.book-hero__actions .button { min-width: 10.5rem; }
.history-console { overflow: hidden; border: 1px solid var(--color-border-strong); border-radius: var(--radius-lg); background: linear-gradient(145deg,rgba(7,22,36,.98),rgba(3,12,24,.95)); box-shadow: var(--shadow-card),var(--shadow-glow); }
.history-console__bar { display: flex; height: 2.75rem; align-items: center; gap: .4rem; padding: 0 var(--space-4); border-bottom: 1px solid var(--color-border); color: var(--color-text-subtle); font: var(--text-xs)/1 var(--font-mono); }
.history-console__bar > span { width: .4rem; height: .4rem; border-radius: 50%; background: #29465a; }
.history-console__bar code { margin-left: .4rem; color: var(--color-text-muted); }
.history-console__bar b { margin-left: auto; color: var(--color-primary); font-weight: 600; }
.history-console__timeline { position: relative; display: grid; grid-template-columns: repeat(5,1fr); gap: var(--space-2); padding: 3.5rem var(--space-6) 2.5rem; background-image: linear-gradient(rgba(38,174,181,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(38,174,181,.06) 1px,transparent 1px); background-size: 24px 24px; }
.history-console__timeline::before { position: absolute; top: 6.25rem; right: var(--space-8); left: var(--space-8); height: 2px; background: linear-gradient(90deg,var(--color-primary),var(--color-secondary),var(--color-primary)); content: ""; }
.history-event { position: relative; z-index: 1; display: grid; justify-items: center; gap: var(--space-4); text-align: center; }
.history-event strong { min-height: 2.25rem; padding: .45rem .6rem; border: 1px solid var(--color-border-strong); border-radius: var(--radius-sm); background: var(--color-bg-elevated); font: 600 clamp(.65rem,1vw,.8rem)/1.25 var(--font-mono); }
.history-event i { width: 1rem; height: 1rem; border: 3px solid #bbfff1; border-radius: 50%; background: var(--color-primary-strong); box-shadow: 0 0 14px rgba(57,230,197,.75); }
.history-event code { color: var(--color-primary); }
.history-console pre { min-height: 12rem; padding: var(--space-6); margin: 0; border-top: 1px solid var(--color-border); color: #b8c8d8; font: clamp(.65rem,1vw,.78rem)/1.8 var(--font-mono); white-space: pre-wrap; }
.history-console pre em { color: #7f9cff; font-style: normal; }
.history-console__status { display: grid; grid-template-columns: 1fr auto; gap: .55rem var(--space-5); padding: var(--space-4) var(--space-6); border-top: 1px solid var(--color-border); background: rgba(2,10,20,.45); font: var(--text-xs)/1.4 var(--font-mono); }
.history-console__status span { color: var(--color-text-subtle); }.history-console__status b { color: var(--color-primary); }
.book-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--space-4); margin-bottom: var(--space-6); }
.book-stats > div { display: grid; min-height: 6.5rem; align-content: center; padding: var(--space-5) var(--space-6); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--gradient-surface); }
.book-stats strong { font-size: var(--text-xl); }.book-stats span { margin-top: .2rem; color: var(--color-text-subtle); font-size: var(--text-xs); }
.book-layout { display: grid; grid-template-columns: minmax(0,3fr) minmax(18rem,1fr); gap: var(--space-5); align-items: start; }
.book-directory,.book-sidebar section { border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--gradient-surface); box-shadow: var(--shadow-card); }
.book-directory h2,.book-sidebar h2 { margin: 0; font-size: var(--text-lg); }
.book-directory > h2 { padding: var(--space-5) var(--space-6); border-bottom: 1px solid var(--color-border); }
.book-directory ol { padding: 0; margin: 0; list-style: none; }
.book-directory li + li { border-top: 1px solid var(--color-border); }
.book-directory li a { display: grid; min-height: 5rem; grid-template-columns: 2.5rem minmax(0,1fr) auto 1rem; gap: var(--space-4); align-items: center; padding: var(--space-4) var(--space-6); transition: background .2s ease; }
.book-directory li a:hover { background: rgba(57,230,197,.045); }
.book-directory li code { color: var(--color-primary); }.book-directory li span { min-width: 0; }.book-directory li strong,.book-directory li small { display: block; }.book-directory li small { margin-top: .2rem; overflow: hidden; color: var(--color-text-subtle); font-size: var(--text-xs); text-overflow: ellipsis; white-space: nowrap; }.book-directory li b { padding: .25rem .55rem; border: 1px solid rgba(57,230,197,.22); border-radius: var(--radius-sm); color: var(--color-primary); font-size: var(--text-xs); }.book-directory li i { color: var(--color-text-subtle); font-size: var(--text-xl); font-style: normal; }
.book-sidebar { display: grid; gap: var(--space-4); }.book-sidebar section { padding: var(--space-5); }.book-sidebar p,.book-sidebar dl { margin-bottom: 0; color: var(--color-text-muted); font-size: var(--text-sm); }.book-sidebar dl { display: grid; grid-template-columns: 3rem 1fr; gap: var(--space-2); }.book-sidebar dt { color: var(--color-text-subtle); }.book-sidebar dd { margin: 0; }.book-sidebar dd a { color: var(--color-primary); }.book-sidebar .button { width: 100%; margin-top: var(--space-4); }
.book-reader { padding-block: var(--space-8) var(--space-16); }.book-breadcrumb { display: flex; gap: var(--space-2); margin-bottom: var(--space-8); color: var(--color-text-subtle); font-size: var(--text-sm); }.book-breadcrumb a { color: var(--color-primary); }.book-reader__layout { display: grid; grid-template-columns: 17rem minmax(0,50rem); gap: clamp(2rem,5vw,6rem); justify-content: center; align-items: start; }.book-reader__toc { position: sticky; top: var(--space-6); max-height: calc(100vh - 3rem); overflow: auto; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: rgba(7,19,33,.78); }.book-reader__toc > p { padding: var(--space-4); margin: 0; border-bottom: 1px solid var(--color-border); font-weight: 700; }.book-reader__toc ol { padding: var(--space-2); margin: 0; list-style: none; }.book-reader__toc a { display: grid; grid-template-columns: 2rem 1fr; gap: var(--space-2); padding: .65rem .75rem; border-radius: var(--radius-sm); color: var(--color-text-muted); font-size: var(--text-xs); }.book-reader__toc code { color: var(--color-text-subtle); }.book-reader__toc .is-current a { background: rgba(57,230,197,.1); color: var(--color-text); }.book-reader__toc .is-current code { color: var(--color-primary); }
.book-chapter header { padding-bottom: var(--space-8); border-bottom: 1px solid var(--color-border); }.book-chapter header h1 { margin: 0; font-size: var(--text-3xl); line-height: 1.15; letter-spacing: -.04em; }.book-chapter header > p:last-child { color: var(--color-text-muted); }.book-chapter__content { max-width: none; padding-top: var(--space-6); color: #c3cfdb; font-size: 1.08rem; line-height: 1.95; }.book-chapter__content h2 { margin-top: 3.5rem; color: var(--color-text); font-size: var(--text-2xl); line-height: 1.3; }.book-chapter__content h3 { margin-top: 2.5rem; color: var(--color-text); }.book-chapter__content blockquote { padding: var(--space-4) var(--space-6); margin: var(--space-6) 0; border-left: 3px solid var(--color-primary); background: rgba(57,230,197,.055); color: var(--color-text); }.book-chapter__content pre { width: 100%; padding: var(--space-5); overflow: auto; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-bg-elevated); }.book-table-wrap { width: 100%; margin: var(--space-6) 0; overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-bg-elevated); -webkit-overflow-scrolling: touch; }.book-chapter__content .book-table-wrap table { width: max-content; min-width: 100%; margin: 0; border: 0; border-collapse: collapse; font-size: var(--text-sm); }.book-chapter__content th,.book-chapter__content td { min-width: 8rem; padding: .7rem; border: 1px solid var(--color-border); text-align: left; vertical-align: top; }.book-chapter__content th { color: var(--color-text); background: rgba(57,230,197,.065); }.book-chapter__content a { color: var(--color-primary); text-decoration: underline; text-underline-offset: .2em; }.book-chapter footer { padding-top: var(--space-8); margin-top: var(--space-12); border-top: 1px solid var(--color-border); color: var(--color-text-subtle); font-size: var(--text-sm); }.book-chapter footer nav { display: flex; justify-content: space-between; gap: var(--space-5); margin-top: var(--space-6); }.book-chapter footer nav a { color: var(--color-primary); }
.book-chapter__source-image { display: grid; margin: var(--space-8) 0 0; place-items: center; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: #020914; }.book-chapter__source-image img { width: 100%; max-height: 34rem; object-fit: contain; }.book-chapter__source-image figcaption { width: 100%; padding: var(--space-3) var(--space-4); border-top: 1px solid var(--color-border); color: var(--color-text-subtle); font-size: var(--text-xs); }.book-chapter__source-image figcaption a { color: var(--color-primary); }
.book-chapter__source-image--inline { margin: var(--space-5) 0 var(--space-8); }.book-chapter__source-image--inline img { max-height: 38rem; }
.book-chapter__diagram { background: #071321; }.book-chapter__diagram img { aspect-ratio: 12/7; object-fit: contain; }
.book-faq { display: grid; grid-template-columns: minmax(15rem,.65fr) minmax(0,1.35fr); gap: var(--space-10); margin-top: var(--space-16); padding-top: var(--space-16); border-top: 1px solid var(--color-border); }.book-faq h2 { margin: 0; font-size: var(--text-2xl); }.book-faq > div > p:last-child { color: var(--color-text-muted); }.book-faq dl { display: grid; gap: var(--space-3); margin: 0; }.book-faq dl > div { padding: var(--space-5); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--gradient-surface); }.book-faq dt { color: var(--color-text); font-weight: 700; }.book-faq dd { margin: var(--space-2) 0 0; color: var(--color-text-muted); font-size: var(--text-sm); }
.books-library { padding-block: var(--space-10) var(--space-16); }.books-library__hero { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(24rem,.8fr); gap: var(--space-12); align-items: end; padding: var(--space-12) 0; border-bottom: 1px solid var(--color-border); }.books-library__hero h1 { margin: 0; font-size: clamp(3.5rem,9vw,7rem); line-height: .9; letter-spacing: -.07em; }.books-library__hero > div > p:last-child { max-width: 42rem; color: var(--color-text-muted); }.books-library__subtitle { margin: var(--space-4) 0 0; color: var(--color-primary); font-size: var(--text-xl); }.books-library__stats { display: grid; grid-template-columns: repeat(3,1fr); overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--gradient-surface); }.books-library__stats div { padding: var(--space-5); border-left: 1px solid var(--color-border); }.books-library__stats div:first-child { border-left: 0; }.books-library__stats strong,.books-library__stats span { display: block; }.books-library__stats strong { color: var(--color-primary); font-size: var(--text-2xl); }.books-library__stats span { margin-top: var(--space-1); color: var(--color-text-subtle); font-size: var(--text-xs); }.books-library__catalog { padding-top: var(--space-12); }.books-library__catalog > header { display: flex; justify-content: space-between; gap: var(--space-8); align-items: end; margin-bottom: var(--space-6); }.books-library__catalog > header h2 { margin: 0; font-size: var(--text-2xl); }.books-library__catalog > header > p { max-width: 34rem; margin: 0; color: var(--color-text-muted); font-size: var(--text-sm); }.books-grid { display: grid; gap: var(--space-5); }.book-index-card { display: grid; grid-template-columns: minmax(16rem,.65fr) minmax(0,1.35fr); overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--gradient-surface); box-shadow: var(--shadow-card); }.book-index-card--featured { border-color: rgba(57,230,197,.34); }.book-index-card__visual { display: flex; min-height: 28rem; flex-direction: column; justify-content: space-between; padding: var(--space-8); background: radial-gradient(circle at 75% 22%,rgba(57,230,197,.19),transparent 36%),linear-gradient(145deg,#09233a,#030b14); color: var(--color-primary); }.book-index-card__visual img { width: 100%; height: 100%; object-fit: cover; }.book-index-card__visual span,.book-index-card__visual code { color: var(--color-text-subtle); font-size: var(--text-xs); letter-spacing: .16em; }.book-index-card__visual strong { color: var(--color-text); font-size: clamp(2.4rem,6vw,5rem); line-height: .82; letter-spacing: -.06em; }.book-index-card__body { display: flex; flex-direction: column; justify-content: center; padding: clamp(2rem,5vw,4.5rem); }.book-index-card__body h2 { margin: var(--space-4) 0 0; font-size: var(--text-3xl); line-height: 1.1; }.book-index-card__body h2 a { color: var(--color-text); }.book-index-card__body > p { color: var(--color-text-muted); }.book-index-card__subtitle { margin-bottom: 0; color: var(--color-primary) !important; font-size: var(--text-lg); }.book-index-card__meta { display: flex; flex-wrap: wrap; gap: var(--space-2); }.book-index-card__meta span { padding: .25rem .55rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm); color: var(--color-text-subtle); font-size: var(--text-xs); }.book-index-card__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }.books-library__manifesto { display: grid; grid-template-columns: minmax(14rem,.65fr) minmax(0,1.35fr); gap: var(--space-10); margin-top: var(--space-12); padding: var(--space-10); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: rgba(57,230,197,.04); }.books-library__manifesto h2 { margin: 0; }.books-library__manifesto > p { margin: 0; color: var(--color-text-muted); }
@media (max-width: 64rem) { .book-hero { grid-template-columns: 1fr; }.book-stats { grid-template-columns: repeat(2,1fr); }.book-layout { grid-template-columns: 1fr; }.book-sidebar { grid-template-columns: repeat(3,1fr); }.book-reader__layout { grid-template-columns: 1fr; }.book-reader__toc { position: static; max-height: none; }.book-reader__toc ol { display: grid; grid-template-columns: repeat(2,1fr); } }
@media (max-width: 48rem) { .book-hero { padding-block: var(--space-10); }.book-hero h1 { font-size: clamp(2.4rem,12vw,4rem); }.history-console__timeline { padding-inline: var(--space-3); }.history-event strong { display: none; }.book-sidebar { grid-template-columns: 1fr; }.book-directory li a { grid-template-columns: 2rem minmax(0,1fr) 1rem; padding-inline: var(--space-4); }.book-directory li b { display: none; }.book-reader__toc ol { grid-template-columns: 1fr; }.book-chapter footer nav { flex-direction: column; }.book-faq { grid-template-columns: 1fr; }.books-library__hero,.book-index-card,.books-library__manifesto { grid-template-columns: 1fr; }.books-library__catalog > header { align-items: start; flex-direction: column; }.book-index-card__visual { min-height: 20rem; } }
@media (max-width: 30rem) { .book-stats { grid-template-columns: 1fr; }.history-console__timeline { gap: 0; }.history-event code { font-size: .65rem; }.history-console pre { font-size: .58rem; } }