:root {

    --c-bg: #F5F0E6;
    --c-bg-2: #ECE5D6;
    --c-paper: #FAF6EE;
    --c-ink: #1A1815;
    --c-ink-2: #2C2823;
    --c-muted: #6E665A;
    --c-muted-2: #95897A;
    --c-line: #D9CFBC;
    --c-line-soft: #E6DCC7;
    --c-wood: #B58542;
    --c-wood-dark: #8C6230;
    --c-wood-light: #D9B57E;
    --c-forest: #2C3D2E;
    --c-accent: var(--c-wood);
    --c-on-accent: #FAF6EE;

    --f-display: "Geist", ui-sans-serif, system-ui, sans-serif;
    --f-body: "Geist", ui-sans-serif, system-ui, sans-serif;
    --f-mono: "Geist Mono", ui-monospace, "SFMono-Regular", monospace;
    --f-serif: "Instrument Serif", "Times New Roman", serif;

    --r-sm: 6px;
    --r-md: 12px;
    --r-lg: 20px;
    --r-xl: 28px;

    --sp-section: clamp(72px, 9vw, 140px);
    --sp-section-sm: clamp(48px, 6vw, 88px);

    --container: 1320px;
    --container-narrow: 1080px;

    --shadow-sm: 0 1px 2px rgba(26, 24, 21, 0.04), 0 2px 8px rgba(26, 24, 21, 0.04);
    --shadow-md: 0 6px 24px -8px rgba(26, 24, 21, 0.12), 0 2px 6px rgba(26, 24, 21, 0.05);
    --shadow-lg: 0 24px 60px -20px rgba(26, 24, 21, 0.22), 0 8px 16px rgba(26, 24, 21, 0.06);
}

[data-palette="anthracite"] {
    --c-bg: #14130F;
    --c-bg-2: #1C1A15;
    --c-paper: #1A1814;
    --c-ink: #F3EEDF;
    --c-ink-2: #E8E1CC;
    --c-muted: #9E9685;
    --c-muted-2: #7A7363;
    --c-line: #2E2A21;
    --c-line-soft: #25221C;
    --c-wood: #D9A45E;
    --c-wood-dark: #B58542;
    --c-wood-light: #EFC890;
    --c-forest: #6F8A65;
    --c-accent: var(--c-wood);
    --c-on-accent: #14130F;
}

[data-palette="sapin"] {
    --c-bg: #F2EEE3;
    --c-bg-2: #E6DFCD;
    --c-paper: #FAF6EE;
    --c-ink: #14201A;
    --c-ink-2: #1F2E25;
    --c-muted: #5A6B5D;
    --c-line: #C9D2C0;
    --c-line-soft: #DFE5D5;
    --c-wood: #2C3D2E;
    --c-wood-dark: #1F2E22;
    --c-wood-light: #4F6A52;
    --c-forest: #2C3D2E;
    --c-accent: var(--c-forest);
    --c-on-accent: #FAF6EE;
}

[data-palette="lin"] {
    --c-bg: #FAF7F0;
    --c-bg-2: #F1ECE0;
    --c-paper: #FFFCF5;
    --c-ink: #1F1C17;
    --c-ink-2: #2E2A23;
    --c-muted: #7B7464;
    --c-line: #E4DBC8;
    --c-line-soft: #EFE7D5;
    --c-wood: #A87138;
    --c-wood-dark: #7E5424;
    --c-wood-light: #C9A270;
    --c-forest: #344A36;
    --c-accent: var(--c-wood);
    --c-on-accent: #FFFCF5;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--f-body);
    font-feature-settings: "ss01", "cv11";
    background: var(--c-bg);
    color: var(--c-ink);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    line-height: 1.55;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

button {
    font: inherit;
    cursor: pointer;
}

a {
    color: inherit;
    text-decoration: none;
}

::selection {
    background: var(--c-ink);
    color: var(--c-bg);
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 32px;
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 32px;
}

@media (max-width: 720px) {
    .container, .container-narrow {
        padding: 0 20px;
    }
}

.eyebrow {
    font-family: var(--f-mono);
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--c-muted);
    font-weight: 500;
}

.eyebrow .dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--c-accent);
    border-radius: 50%;
    margin-right: 10px;
    vertical-align: 2px;
}

.display {
    font-family: var(--f-display);
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 0.98;
    font-size: clamp(48px, 7.4vw, 112px);
    color: var(--c-ink);
    text-wrap: balance;
}

.display em {
    font-family: var(--f-serif);
    font-style: italic;
    font-weight: 400;
    letter-spacing: -0.01em;
    color: var(--c-ink);
}

.h1 {
    font-family: var(--f-display);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.02;
    font-size: clamp(40px, 5.4vw, 76px);
    text-wrap: balance;
}

.h1 em {
    font-family: var(--f-serif);
    font-style: italic;
    font-weight: 400;
}

.h2 {
    font-family: var(--f-display);
    font-weight: 500;
    letter-spacing: -0.018em;
    line-height: 1.05;
    font-size: clamp(28px, 3vw, 44px);
    text-wrap: balance;
}

.h3 {
    font-family: var(--f-display);
    font-weight: 500;
    letter-spacing: -0.012em;
    line-height: 1.15;
    font-size: clamp(20px, 1.6vw, 24px);
}

.lede {
    font-size: clamp(17px, 1.4vw, 21px);
    line-height: 1.5;
    color: var(--c-muted);
    max-width: 56ch;
    text-wrap: pretty;
}

.mono {
    font-family: var(--f-mono);
    font-size: 12px;
    letter-spacing: 0.06em;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 24px;
    border-radius: 999px;
    font-weight: 500;
    font-size: 15px;
    letter-spacing: -0.005em;
    border: 1px solid transparent;
    transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn .arrow {
    display: inline-flex;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: currentColor;
    align-items: center;
    justify-content: center;
    color: var(--c-on-accent);
}

.btn .arrow svg {
    width: 11px;
    height: 11px;
}

.btn-primary {
    background: var(--c-ink);
    color: var(--c-bg);
}

.btn-primary .arrow {
    color: var(--c-ink);
}

.btn-primary .arrow {
    background: var(--c-bg);
}

.btn-primary:hover {
    background: var(--c-wood-dark);
}

.btn-wood {
    background: var(--c-accent);
    color: var(--c-on-accent);
}

.btn-wood .arrow {
    background: var(--c-on-accent);
    color: var(--c-accent);
}

.btn-wood:hover {
    background: var(--c-wood-dark);
}

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

.btn-outline .arrow {
    background: var(--c-ink);
    color: var(--c-bg);
}

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

.btn-ghost {
    background: transparent;
    color: var(--c-ink);
    padding: 12px 0;
}

.btn-ghost:hover {
    color: var(--c-wood-dark);
}

.btn-sm {
    padding: 10px 16px;
    font-size: 13px;
}

.card {
    background: var(--c-paper);
    border-radius: var(--r-lg);
    border: 1px solid var(--c-line-soft);
    overflow: hidden;
}

.card-soft {
    background: var(--c-bg-2);
    border-radius: var(--r-lg);
    border: 1px solid var(--c-line-soft);
}

.ph {
    position: relative;
    background: var(--c-bg-2);
    background-image: repeating-linear-gradient(135deg,
    rgba(26, 24, 21, 0.04) 0,
    rgba(26, 24, 21, 0.04) 1px,
    transparent 1px,
    transparent 14px);
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--c-line-soft);
    color: var(--c-muted);
}

.ph-wood {
    background-image: repeating-linear-gradient(90deg,
    rgba(140, 98, 48, 0.10) 0,
    rgba(140, 98, 48, 0.10) 2px,
    transparent 2px,
    transparent 9px),
    linear-gradient(180deg, var(--c-wood-light), var(--c-wood) 60%, var(--c-wood-dark));
    border: 1px solid var(--c-wood-dark);
}

.ph-dark {
    background: #2A2722;
    background-image: repeating-linear-gradient(135deg,
    rgba(255, 255, 255, 0.025) 0,
    rgba(255, 255, 255, 0.025) 1px,
    transparent 1px,
    transparent 14px);
    color: rgba(255, 255, 255, 0.6);
    border-color: #2A2722;
}

.ph-label {
    position: absolute;
    bottom: 14px;
    left: 14px;
    background: var(--c-paper);
    color: var(--c-ink);
    padding: 6px 10px;
    border-radius: 4px;
    font-family: var(--f-mono);
    font-size: 10.5px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border: 1px solid var(--c-line);
    z-index: 2;
}

.ph-tl {
    top: 14px;
    left: 14px;
    bottom: auto;
}

.ph-tr {
    top: 14px;
    right: 14px;
    left: auto;
    bottom: auto;
}

.ph-br {
    bottom: 14px;
    right: 14px;
    left: auto;
}

.ph-garage {
    display: flex;
    align-items: center;
    justify-content: center;
}

.ph-garage svg {
    width: 56%;
    height: auto;
    opacity: 0.35;
}

.hr-tick {
    height: 1px;
    background: var(--c-line);
    border: 0;
    margin: 0;
}

.section {
    padding: var(--sp-section) 0;
    position: relative;
}

.section-sm {
    padding: var(--sp-section-sm) 0;
}

.section-head {
    margin-bottom: clamp(40px, 5vw, 72px);
}

.section-head-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: end;
}

@media (max-width: 860px) {
    .section-head-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.in {
    opacity: 1;
    transform: none;
}

.flex {
    display: flex;
}

.col {
    display: flex;
    flex-direction: column;
}

.gap-8 {
    gap: 8px;
}

.gap-12 {
    gap: 12px;
}

.gap-16 {
    gap: 16px;
}

.gap-24 {
    gap: 24px;
}

.gap-32 {
    gap: 32px;
}

.gap-48 {
    gap: 48px;
}

.items-center {
    align-items: center;
}

.items-end {
    align-items: flex-end;
}

.justify-between {
    justify-content: space-between;
}

.text-muted {
    color: var(--c-muted);
}

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

.text-serif {
    font-family: var(--f-serif);
    font-style: italic;
}

.tabnum {
    font-variant-numeric: tabular-nums;
}

.no-scrollbar::-webkit-scrollbar {
    display: none;
}

.no-scrollbar {
    scrollbar-width: none;
}

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .hero-anim-1, .hero-anim-2, .hero-anim-3, .hero-anim-4, .hero-anim-img,
    .parallax-hero, [data-anim], [data-reveal-js] {
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
    }
}

:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 3px;
    border-radius: 4px;
}

.skip-link {
    position: fixed;
    top: -100px;
    left: 16px;
    z-index: 100;
    background: var(--c-ink);
    color: var(--c-bg);
    padding: 12px 18px;
    border-radius: var(--r-md);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: top 0.2s;
}

.skip-link:focus {
    top: 16px;
}

.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--c-ink);
    color: var(--c-bg);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 35;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s, transform 0.3s, background 0.2s;
    box-shadow: var(--shadow-md);
}

.back-to-top.visible {
    opacity: 1;
    transform: none;
}

.back-to-top:hover {
    background: var(--c-wood-dark);
    transform: translateY(-3px);
}

@media (max-width: 980px) {
    .back-to-top {
        bottom: 88px;
        right: 16px;
        width: 44px;
        height: 44px;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(28px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.96);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@keyframes menuIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@keyframes drawLine {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

@keyframes parallaxUp {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(-80px);
    }
}

@keyframes parallaxZoom {
    from {
        transform: scale(1.08);
    }
    to {
        transform: scale(1);
    }
}

@keyframes underlineSweep {
    0% {
        background-size: 0 100%;
    }
    100% {
        background-size: 100% 100%;
    }
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--c-line);
    z-index: 100;
    pointer-events: none;
}

.scroll-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--c-wood-light), var(--c-wood), var(--c-wood-dark));
    transform-origin: left;
}

@supports (animation-timeline: scroll()) {
    .scroll-progress-fill {
        animation: drawLine linear;
        animation-timeline: scroll(root);
        transform: scaleX(0);
    }
}

.marquee {
    overflow: hidden;
    display: flex;
    gap: 0;
    mask-image: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 8%, #000 92%, transparent 100%);
}

.marquee-track {
    display: flex;
    gap: 48px;
    animation: marquee 32s linear infinite;
    white-space: nowrap;
    flex-shrink: 0;
    padding-right: 48px;
}

.marquee:hover .marquee-track {
    animation-play-state: paused;
}

@supports (animation-timeline: view()) {
    .parallax-hero {
        animation: parallaxUp linear;
        animation-timeline: view();
        animation-range: cover 0% cover 100%;
    }
}

.h1-underline {
    display: inline;
    background-image: linear-gradient(180deg, transparent 78%, var(--c-wood) 78%, var(--c-wood) 90%, transparent 90%);
    background-repeat: no-repeat;
    background-size: 0 100%;
    background-position: 0 0;
    padding: 0 4px;
}

@supports (animation-timeline: view()) {
    .h1-underline {
        animation: underlineSweep 1.2s cubic-bezier(0.2, 0.7, 0.2, 1) both;
        animation-timeline: view();
        animation-range: entry 10% entry 80%;
    }
}

.carousel-track {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-padding-left: max(32px, calc((100vw - var(--container)) / 2));
    padding: 8px max(32px, calc((100vw - var(--container)) / 2)) 8px;
    scroll-behavior: smooth;
    cursor: grab;
    -webkit-overflow-scrolling: touch;
}

.carousel-track:active {
    cursor: grabbing;
}

.carousel-card {
    flex: 0 0 clamp(280px, 30vw, 420px);
    height: clamp(380px, 50vh, 520px);
    border-radius: var(--r-lg);
    overflow: hidden;
    position: relative;
    background: #1a1815;
    text-decoration: none;
    scroll-snap-align: start;
    transition: transform 0.25s ease;
}

.carousel-card:hover {
    transform: translateY(-4px);
}

.carousel-card.featured {
    flex: 0 0 clamp(380px, 42vw, 580px);
}

.carousel-card.cta {
    background: var(--c-ink);
}

.carousel-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.carousel-card:hover img {
    transform: scale(1.04);
}

.carousel-card .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.05) 35%, rgba(0, 0, 0, 0.78) 100%);
    z-index: 1;
}

.carousel-card .content {
    position: absolute;
    inset: 0;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: white;
    z-index: 2;
}

.carousel-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--c-line);
    background: var(--c-paper);
    color: var(--c-ink);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.18s;
}

.carousel-btn:hover:not(:disabled) {
    background: var(--c-ink);
    color: var(--c-bg);
    border-color: var(--c-ink);
    transform: translateY(-2px);
}

.carousel-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

@media (max-width: 640px) {
    .carousel-track {
        gap: 12px;
        padding: 8px 20px;
    }

    .carousel-card {
        flex: 0 0 78vw;
        height: 60vh;
        min-height: 360px;
    }

    .carousel-card.featured {
        flex: 0 0 88vw;
    }
}

.hscroll-section {
    position: relative;
    height: 240vh;
}

.hscroll-pin {
    position: sticky;
    top: 0;
    height: 100vh;
    display: grid;
    grid-template-rows: auto 1fr auto;
    padding: clamp(48px, 7vh, 88px) 0 clamp(24px, 4vh, 40px);
    overflow: hidden;
    gap: clamp(24px, 4vh, 40px);
}

.hscroll-track {
    display: flex;
    gap: 20px;
    padding: 0 32px;
    will-change: transform;
    align-items: center;
    align-self: center;
}

.hscroll-card {
    flex: 0 0 clamp(380px, 32vw, 480px);
    height: clamp(420px, 56vh, 560px);
    border-radius: var(--r-lg);
    overflow: hidden;
    position: relative;
    background: #1a1815;
    text-decoration: none;
}

.hscroll-card.featured {
    flex: 0 0 clamp(520px, 44vw, 640px);
}

.hscroll-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.hscroll-card:hover img {
    transform: scale(1.04);
}

.hscroll-card .overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.05) 35%, rgba(0, 0, 0, 0.78) 100%);
    z-index: 1;
}

.hscroll-card .content {
    position: absolute;
    inset: 0;
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: white;
    z-index: 2;
}

.hscroll-progress {
    padding: 0 max(32px, calc((100vw - var(--container)) / 2));
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    color: var(--c-muted);
}

.hscroll-progress-bar {
    flex: 1;
    height: 2px;
    background: var(--c-line);
    border-radius: 999px;
    overflow: hidden;
    position: relative;
}

.hscroll-progress-fill {
    position: absolute;
    inset: 0;
    background: var(--c-ink);
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 0.1s linear;
}

@media (max-width: 980px) {
    .hscroll-section {
        height: auto;
    }

    .hscroll-pin {
        position: static;
        height: auto;
        display: block;
        padding: 64px 0 48px;
        overflow: visible;
    }

    .hscroll-track {
        flex-direction: column;
        padding: 0 20px;
        align-self: stretch;
        gap: 16px;
    }

    .hscroll-card {
        flex: none;
        width: 100%;
        height: auto;
        min-height: 0;
        aspect-ratio: 4/3;
    }

    .hscroll-card.featured {
        flex: none;
        width: 100%;
    }

    .hscroll-progress {
        display: none;
    }
}

.hero-anim-1 {
    animation: fadeUp 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.hero-anim-2 {
    animation: fadeUp 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 0.10s both;
}

.hero-anim-3 {
    animation: fadeUp 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 0.20s both;
}

.hero-anim-4 {
    animation: fadeUp 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) 0.30s both;
}

.hero-anim-img {
    animation: scaleIn 1.1s cubic-bezier(0.2, 0.7, 0.2, 1) 0.15s both;
}

@supports (animation-timeline: view()) {
    [data-anim="reveal"] {
        animation: fadeUp 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both;
        animation-timeline: view();
        animation-range: entry 0% entry 50%;
    }

    [data-anim="reveal-stagger"] > * {
        animation: fadeUp 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both;
        animation-timeline: view();
        animation-range: entry 0% entry 60%;
    }

    .section .section-head,
    .section .card,
    .cross-grid > a,
    .cross-grid > div.card,
    .realisations-grid > a,
    .sol-grid > article,
    .stats-grid > .stat-cell,
    .process-cell,
    .avis-grid > article,
    .config-grid > div > div {
        animation: fadeUp 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both;
        animation-timeline: view();
        animation-range: entry 5% entry 50%;
    }
}

@supports not (animation-timeline: view()) {
    .reveal-js {
        opacity: 0;
        transform: translateY(28px);
        transition: opacity 0.9s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
    }

    .reveal-js.in {
        opacity: 1;
        transform: none;
    }
}

.category-card, .card a {
    transition: transform 0.25s ease, border-color 0.2s ease, box-shadow 0.25s ease;
}

.btn:hover .arrow svg {
    animation: arrowNudge 0.6s ease;
}

@keyframes arrowNudge {
    0% {
        transform: translate(0, 0);
    }
    40% {
        transform: translate(2px, -2px);
    }
    100% {
        transform: translate(0, 0);
    }
}

.prose {
    max-width: 70ch;
    font-size: 16px;
    line-height: 1.7;
    color: var(--c-ink-2);
}

.prose h2 {
    font-family: var(--f-display);
    font-size: clamp(22px, 2.2vw, 30px);
    font-weight: 500;
    letter-spacing: -0.015em;
    margin: 56px 0 16px;
    line-height: 1.15;
    color: var(--c-ink);
}

.prose h2:first-child {
    margin-top: 0;
}

.prose h3 {
    font-family: var(--f-display);
    font-size: clamp(17px, 1.4vw, 20px);
    font-weight: 500;
    letter-spacing: -0.012em;
    margin: 32px 0 10px;
    color: var(--c-ink);
}

.prose p {
    margin: 0 0 16px;
    text-wrap: pretty;
}

.prose ul, .prose ol {
    margin: 0 0 20px;
    padding-left: 22px;
}

.prose li {
    margin-bottom: 6px;
}

.prose a {
    color: var(--c-wood-dark);
    border-bottom: 1px solid var(--c-wood-light);
}

.prose a:hover {
    color: var(--c-ink);
}

.prose strong {
    color: var(--c-ink);
    font-weight: 600;
}

.prose hr {
    border: 0;
    height: 1px;
    background: var(--c-line);
    margin: 40px 0;
}

.prose blockquote {
    border-left: 2px solid var(--c-wood);
    padding-left: 20px;
    margin: 24px 0;
    font-family: var(--f-serif);
    font-style: italic;
    font-size: 18px;
    color: var(--c-muted);
}

.prose .updated-mono {
    font-family: var(--f-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--c-muted);
    text-transform: uppercase;
    display: block;
    margin-bottom: 48px;
}

@media (max-width: 980px) {
    .page-hero-grid {
        grid-template-columns: 1fr !important;
        gap: 40px !important;
    }

    .content-block-grid {
        grid-template-columns: 1fr !important;
        gap: 32px !important;
        direction: ltr !important;
    }

    .cross-grid {
        grid-template-columns: 1fr 1fr !important;
    }
}

@media (max-width: 640px) {
    .cross-grid {
        grid-template-columns: 1fr !important;
    }
}

.category-card {
    display: block;
    border-radius: var(--r-lg);
    overflow: hidden;
    background: var(--c-paper);
    border: 1px solid var(--c-line-soft);
    transition: transform 0.25s, border-color 0.2s;
    color: var(--c-ink);
}

.category-card:hover {
    transform: translateY(-3px);
    border-color: var(--c-line);
}

.category-card .img {
    aspect-ratio: 4/3;
    background: #1a1815;
    overflow: hidden;
}

.category-card .img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.category-card:hover .img img {
    transform: scale(1.04);
}

.category-card .body {
    padding: 24px;
}

.boot-skeleton {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--c-bg);
}

.boot-skeleton .nav-strip {
    background: var(--c-ink);
    height: 38px;
}

.boot-skeleton .nav-bar {
    height: 70px;
    border-bottom: 1px solid var(--c-line);
}

.boot-skeleton .hero-area {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: 64px;
    padding: 72px 32px 120px;
    max-width: 1320px;
    margin: 0 auto;
    width: 100%;
    align-items: end;
}

.boot-skeleton .hero-left {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.boot-skeleton .skel {
    background: linear-gradient(90deg, var(--c-bg-2) 0%, var(--c-line-soft) 50%, var(--c-bg-2) 100%);
    background-size: 200% 100%;
    border-radius: 8px;
    animation: skelShimmer 1.6s ease-in-out infinite;
}

.boot-skeleton .skel-h {
    height: 60px;
}

.boot-skeleton .skel-h-sm {
    height: 22px;
    width: 35%;
}

.boot-skeleton .skel-p {
    height: 16px;
}

.boot-skeleton .skel-cta {
    height: 50px;
    width: 220px;
    border-radius: 999px;
    margin-top: 16px;
}

.boot-skeleton .skel-image {
    aspect-ratio: 4/5;
    border-radius: var(--r-lg);
}

@keyframes skelShimmer {
    0% {
        background-position: 100% 0;
    }
    100% {
        background-position: -100% 0;
    }
}

@media (max-width: 980px) {
    .boot-skeleton .hero-area {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 48px 20px 64px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hscroll-section {
        height: auto !important;
    }

    .hscroll-pin {
        position: static !important;
        height: auto !important;
    }

    .hscroll-track {
        flex-direction: column !important;
        gap: 16px !important;
        padding: 0 32px !important;
        transform: none !important;
    }

    .hscroll-card {
        flex: none !important;
        width: 100% !important;
        height: auto !important;
        min-height: 0 !important;
        aspect-ratio: 4/3 !important;
    }

    .hscroll-progress {
        display: none !important;
    }

    .marquee-track {
        animation: none !important;
    }
}

@media (max-width: 480px) {
    .content-block-grid input,
    .content-block-grid textarea {
        font-size: 16px !important;
    }
}