/* Shinova Paper Studio — Layout 25: Folded Paper Layout */
/* Premium automobile · parchment light · bronze creases · editorial folds */

:root {
    --sn-parchment: #f5f0e8;
    --sn-paper: #ede6da;
    --sn-cream: #faf7f2;
    --sn-ink: #1c1917;
    --sn-ink-soft: #3d3834;
    --sn-ink-muted: #6b6560;
    --sn-bronze: #9a7b4f;
    --sn-bronze-light: #b8956a;
    --sn-bronze-pale: rgba(154, 123, 79, 0.12);
    --sn-crease: rgba(154, 123, 79, 0.22);
    --sn-serif: 'Shippori Mincho', 'Cormorant Garamond', serif;
    --sn-serif-alt: 'Cormorant Garamond', serif;
    --sn-sans: 'IBM Plex Sans JP', sans-serif;
    --sn-nav-h: 68px;
    --sn-wrap: min(1200px, calc(100% - 2.5rem));
    --sn-ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --sn-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --sn-fold-shadow: 4px 6px 20px rgba(28, 25, 23, 0.08), 12px 16px 48px rgba(28, 25, 23, 0.06);
    --sn-fold-shadow-lg: 8px 12px 32px rgba(28, 25, 23, 0.1), 24px 32px 64px rgba(28, 25, 23, 0.08);
    --sn-section-pad: clamp(4.5rem, 10vw, 8rem);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body.sn-body {
    font-family: var(--sn-sans);
    font-weight: 400;
    background: var(--sn-parchment);
    color: var(--sn-ink-soft);
    line-height: 1.8;
    overflow-x: hidden;
    padding-top: var(--sn-nav-h);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s var(--sn-ease); }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
address { font-style: normal; }
ul, ol { list-style: none; }

input, select, textarea {
    font: inherit;
    color: inherit;
    background: var(--sn-cream);
    border: 1px solid var(--sn-crease);
    border-radius: 0;
    padding: 0.75rem 1rem;
    width: 100%;
    transition: border-color 0.25s, box-shadow 0.25s;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--sn-bronze);
    box-shadow: 0 0 0 2px var(--sn-bronze-pale);
}
::selection { background: rgba(154, 123, 79, 0.25); color: var(--sn-ink); }

h1, h2, h3, h4 {
    font-family: var(--sn-serif);
    font-weight: 500;
    color: var(--sn-ink);
    line-height: 1.25;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.4rem); }
em { font-style: italic; color: var(--sn-bronze); }

/* Utilities */
.sn-wrap { width: var(--sn-wrap); margin-inline: auto; }

.sn-micro {
    font-family: var(--sn-sans);
    font-size: 0.62rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--sn-bronze);
}

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

.sn-skip {
    position: fixed; top: -100%; left: 1rem; z-index: 10000;
    padding: 0.6rem 1.2rem; background: var(--sn-bronze); color: var(--sn-cream);
    font-size: 0.75rem; letter-spacing: 0.06em;
}
.sn-skip:focus { top: 1rem; }

.sn-reveal {
    opacity: 0;
    transform: translateY(1.5rem) rotateX(4deg);
    transition: opacity 0.75s var(--sn-ease-out), transform 0.75s var(--sn-ease-out);
    transition-delay: var(--delay, 0s);
}
.sn-reveal.is-visible { opacity: 1; transform: none; }

/* Buttons */
.sn-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
    padding: 0.85rem 1.75rem;
    font-family: var(--sn-sans);
    font-size: 0.8rem; font-weight: 500;
    letter-spacing: 0.08em;
    border: 1px solid transparent;
    transition: all 0.3s var(--sn-ease);
    position: relative;
}
.sn-btn--bronze {
    background: var(--sn-bronze);
    color: var(--sn-cream);
    border-color: var(--sn-bronze);
    box-shadow: var(--sn-fold-shadow);
}
.sn-btn--bronze:hover {
    background: var(--sn-bronze-light);
    transform: translateY(-2px);
    box-shadow: var(--sn-fold-shadow-lg);
}
.sn-btn--ghost {
    background: transparent;
    color: var(--sn-ink);
    border-color: var(--sn-crease);
}
.sn-btn--ghost:hover {
    border-color: var(--sn-bronze);
    color: var(--sn-bronze);
}
.sn-btn--sm { padding: 0.55rem 1.1rem; font-size: 0.72rem; }
.sn-btn--lg { padding: 1rem 2.25rem; font-size: 0.85rem; }

/* Ribbon Nav */
.sn-ribbon-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 900;
    height: var(--sn-nav-h);
    background: var(--sn-cream);
    border-bottom: 1px solid var(--sn-crease);
    transition: box-shadow 0.35s, background 0.35s;
}
.sn-ribbon-nav.is-scrolled {
    box-shadow: var(--sn-fold-shadow);
    background: rgba(250, 247, 242, 0.96);
    backdrop-filter: blur(8px);
}
.sn-ribbon-nav__crease {
    position: absolute; top: 0; right: 18%;
    width: 80px; height: 100%;
    background: linear-gradient(135deg, transparent 48%, var(--sn-bronze-pale) 50%, transparent 52%);
    pointer-events: none;
}
.sn-ribbon-nav__inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 100%; padding: 0 clamp(1rem, 3vw, 2.5rem);
    max-width: 1400px; margin: 0 auto;
}
.sn-ribbon-nav__brand {
    display: flex; align-items: center; gap: 0.75rem;
}
.sn-ribbon-nav__fold {
    width: 28px; height: 28px;
    background: var(--sn-bronze-pale);
    clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
    border: 1px solid var(--sn-crease);
}
.sn-ribbon-nav__wordmark {
    display: flex; flex-direction: column; line-height: 1.15;
}
.sn-ribbon-nav__wordmark strong {
    font-family: var(--sn-serif-alt);
    font-size: 1.15rem; font-weight: 600;
    color: var(--sn-ink);
}
.sn-ribbon-nav__wordmark em {
    font-size: 0.58rem; font-style: normal;
    letter-spacing: 0.14em; text-transform: uppercase;
    color: var(--sn-ink-muted);
}
.sn-ribbon-nav__links {
    display: flex; gap: clamp(1.25rem, 3vw, 2.5rem);
}
.sn-ribbon-nav__link {
    font-size: 0.78rem; font-weight: 500;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--sn-ink-muted);
    position: relative;
}
.sn-ribbon-nav__link::after {
    content: ''; position: absolute; bottom: -4px; left: 0;
    width: 0; height: 1px; background: var(--sn-bronze);
    transition: width 0.3s var(--sn-ease);
}
.sn-ribbon-nav__link:hover,
.sn-ribbon-nav__link.is-active { color: var(--sn-ink); }
.sn-ribbon-nav__link.is-active::after,
.sn-ribbon-nav__link:hover::after { width: 100%; }

.sn-ribbon-nav__tools { display: flex; align-items: center; gap: 0.5rem; }
.sn-ribbon-nav__tool {
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--sn-crease);
    transition: border-color 0.25s, background 0.25s;
}
.sn-ribbon-nav__tool:hover { border-color: var(--sn-bronze); background: var(--sn-bronze-pale); }
.sn-ribbon-nav__tool--cart { position: relative; }
.sn-ribbon-nav__badge {
    position: absolute; top: -4px; right: -4px;
    min-width: 16px; height: 16px; padding: 0 4px;
    background: var(--sn-bronze); color: var(--sn-cream);
    font-size: 0.58rem; font-weight: 600;
    display: flex; align-items: center; justify-content: center;
}
.sn-ribbon-nav__progress {
    position: absolute; bottom: 0; left: 0; height: 2px;
    width: 0; background: var(--sn-bronze);
    transition: width 0.1s linear;
}

.sn-burger {
    display: none; flex-direction: column; gap: 6px;
    width: 38px; height: 38px;
    align-items: center; justify-content: center;
    border: 1px solid var(--sn-crease);
}
.sn-burger span {
    display: block; width: 18px; height: 1.5px;
    background: var(--sn-ink); transition: transform 0.3s, opacity 0.3s;
}
.sn-burger.is-open span:first-child { transform: translateY(3.75px) rotate(45deg); }
.sn-burger.is-open span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

/* Search overlay */
.sn-search {
    position: fixed; inset: 0; z-index: 950;
    display: flex; align-items: flex-start; justify-content: center;
    padding-top: calc(var(--sn-nav-h) + 3rem);
    opacity: 0; visibility: hidden;
    transition: opacity 0.35s, visibility 0.35s;
}
.sn-search.is-open { opacity: 1; visibility: visible; }
.sn-search__veil {
    position: absolute; inset: 0;
    background: rgba(28, 25, 23, 0.35);
    backdrop-filter: blur(4px);
}
.sn-search__sheet {
    position: relative; z-index: 1;
    width: min(520px, calc(100% - 2rem));
    padding: 2rem;
    background: var(--sn-cream);
    border: 1px solid var(--sn-crease);
    box-shadow: var(--sn-fold-shadow-lg);
    transform: translateY(-1rem) rotateX(8deg);
    transition: transform 0.4s var(--sn-ease-out);
}
.sn-search.is-open .sn-search__sheet { transform: none; }
.sn-search__close {
    position: absolute; top: 0.75rem; right: 0.75rem;
    font-size: 1.5rem; line-height: 1; color: var(--sn-ink-muted);
}
.sn-search form { display: flex; flex-direction: column; gap: 1rem; margin-top: 1rem; }

/* Mobile menu */
.sn-sheet-menu {
    position: fixed; inset: 0; z-index: 940;
    opacity: 0; visibility: hidden;
    transition: opacity 0.35s, visibility 0.35s;
}
.sn-sheet-menu.is-open { opacity: 1; visibility: visible; }
.sn-sheet-menu__veil {
    position: absolute; inset: 0;
    background: rgba(28, 25, 23, 0.4);
}
.sn-sheet-menu__panel {
    position: absolute; top: 0; right: 0;
    width: min(320px, 85vw); height: 100%;
    background: var(--sn-cream);
    padding: calc(var(--sn-nav-h) + 1.5rem) 2rem 2rem;
    display: flex; flex-direction: column; gap: 1.25rem;
    border-left: 1px solid var(--sn-crease);
    transform: translateX(100%);
    transition: transform 0.4s var(--sn-ease-out);
    clip-path: polygon(8% 0, 100% 0, 100% 100%, 0 100%);
}
.sn-sheet-menu.is-open .sn-sheet-menu__panel { transform: none; }
.sn-sheet-menu__panel a {
    font-family: var(--sn-serif);
    font-size: 1.2rem; color: var(--sn-ink);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--sn-bronze-pale);
}
.sn-sheet-menu__phone {
    margin-top: auto;
    font-size: 0.85rem; color: var(--sn-ink-muted);
}

body.sn-menu-open { overflow: hidden; }

/* Paper world — homepage */
.sn-paper-world { position: relative; }

.sn-fold {
    position: relative;
    padding: var(--sn-section-pad) clamp(1.25rem, 4vw, 3rem);
}
.sn-fold::before {
    content: '';
    position: absolute;
    pointer-events: none;
}

.sn-fold__crease {
    position: absolute;
    pointer-events: none;
    z-index: 0;
}
.sn-fold__crease--main {
    top: 0; left: 12%;
    width: 1px; height: 100%;
    background: linear-gradient(180deg, transparent, var(--sn-crease) 15%, var(--sn-crease) 85%, transparent);
    transform: rotate(-3deg);
}
.sn-fold__crease--sub {
    top: 20%; right: 8%;
    width: 60%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--sn-crease), transparent);
    transform: rotate(-1.5deg);
}

/* S1 Entry */
.sn-fold--entry {
    min-height: calc(100vh - var(--sn-nav-h));
    display: flex; align-items: center;
    background: var(--sn-cream);
    clip-path: polygon(0 0, 100% 0, 100% 96%, 0 100%);
}
.sn-fold-entry__layout {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
    max-width: 1280px; margin: 0 auto;
    width: 100%;
}
.sn-fold-entry__title { margin-bottom: 1.25rem; }
.sn-fold-entry__title span { display: block; }
.sn-fold-entry__title-em em { font-size: 1.1em; }
.sn-fold-entry__deck {
    font-size: 0.95rem; color: var(--sn-ink-muted);
    max-width: 42ch; margin-bottom: 2rem;
}
.sn-fold-entry__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2.5rem; }
.sn-fold-entry__meta {
    display: flex; gap: 2rem;
    font-size: 0.78rem;
}
.sn-fold-entry__meta dt {
    font-size: 0.58rem; letter-spacing: 0.14em;
    text-transform: uppercase; color: var(--sn-bronze);
}
.sn-fold-entry__meta dd { font-weight: 500; color: var(--sn-ink); }

.sn-fold-entry__sheet {
    position: relative;
    transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
    box-shadow: var(--sn-fold-shadow-lg);
    border: 1px solid var(--sn-crease);
    overflow: hidden;
    clip-path: polygon(0 0, 100% 0, 100% 88%, 92% 100%, 0 100%);
    transition: transform 0.6s var(--sn-ease-out);
}
.sn-fold-entry__panel--right:hover .sn-fold-entry__sheet {
    transform: perspective(1200px) rotateY(-1deg) rotateX(0deg);
}
.sn-fold-entry__shadow {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, transparent 55%, rgba(28,25,23,0.12) 100%);
    pointer-events: none;
}
.sn-fold-entry__cap {
    margin-top: 0.75rem;
    font-size: 0.65rem; letter-spacing: 0.16em;
    text-transform: uppercase; color: var(--sn-ink-muted);
}

/* S2 Manifesto */
.sn-fold--manifesto {
    background: var(--sn-paper);
    margin-top: -2rem;
    padding-top: calc(var(--sn-section-pad) + 2rem);
}
.sn-manifesto__sheet {
    max-width: 1100px; margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem; align-items: center;
    position: relative;
    padding: 3rem;
    background: var(--sn-cream);
    border: 1px solid var(--sn-crease);
    box-shadow: var(--sn-fold-shadow);
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}
.sn-manifesto__fold-corner {
    position: absolute; bottom: 0; right: 0;
    width: 48px; height: 48px;
    background: var(--sn-paper);
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
    border-top: 1px solid var(--sn-crease);
    border-left: 1px solid var(--sn-crease);
}
.sn-manifesto__quote {
    font-family: var(--sn-serif);
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    color: var(--sn-ink);
    margin: 1rem 0 1.5rem;
    line-height: 1.5;
}
.sn-manifesto__quote span { display: block; }
.sn-manifesto__body p {
    font-size: 0.92rem; color: var(--sn-ink-muted);
    margin-bottom: 1rem;
}
.sn-manifesto__visual img {
    clip-path: polygon(8% 0, 100% 0, 100% 100%, 0 92%);
    border: 1px solid var(--sn-crease);
}

/* S3 Interactive Crease */
.sn-fold--interactive { background: var(--sn-parchment); }
.sn-crease__head { text-align: center; max-width: 560px; margin: 0 auto 3rem; }
.sn-crease__head h2 { margin: 0.5rem 0 1rem; }
.sn-crease__head p { font-size: 0.9rem; color: var(--sn-ink-muted); }

.sn-crease {
    max-width: 1000px; margin: 0 auto;
    display: grid; gap: 2rem;
}
.sn-crease__tabs {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem;
}
.sn-crease__tab {
    padding: 0.65rem 1.4rem;
    font-size: 0.75rem; letter-spacing: 0.1em;
    border: 1px solid var(--sn-crease);
    background: var(--sn-cream);
    transition: all 0.3s var(--sn-ease);
    clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}
.sn-crease__tab.is-active,
.sn-crease__tab:hover {
    background: var(--sn-bronze);
    color: var(--sn-cream);
    border-color: var(--sn-bronze);
}
.sn-crease__stage {
    position: relative;
    aspect-ratio: 16/10;
    background: var(--sn-cream);
    border: 1px solid var(--sn-crease);
    box-shadow: var(--sn-fold-shadow-lg);
    overflow: hidden;
}
.sn-crease__layer {
    position: absolute; inset: 0;
    opacity: 0; transform: scale(1.03) rotateX(6deg);
    transition: opacity 0.5s, transform 0.5s var(--sn-ease-out);
}
.sn-crease__layer.is-active { opacity: 1; transform: none; }
.sn-crease__layer img { width: 100%; height: 100%; object-fit: cover; }
.sn-crease__layer figcaption {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(transparent, rgba(28,25,23,0.75));
    color: var(--sn-cream);
}
.sn-crease__layer figcaption strong { display: block; font-family: var(--sn-serif); font-size: 1.1rem; }
.sn-crease__layer figcaption span { font-size: 0.78rem; opacity: 0.85; }

.sn-crease__readout {
    padding: 1.5rem 2rem;
    background: var(--sn-cream);
    border-left: 3px solid var(--sn-bronze);
    box-shadow: var(--sn-fold-shadow);
}
.sn-crease__readout-label {
    font-size: 0.6rem; letter-spacing: 0.16em;
    text-transform: uppercase; color: var(--sn-bronze);
}
.sn-crease__readout strong {
    display: block; font-family: var(--sn-serif);
    font-size: 1.25rem; margin: 0.25rem 0 0.5rem;
    color: var(--sn-ink);
}
.sn-crease__readout p { font-size: 0.88rem; color: var(--sn-ink-muted); }

/* S4 Horizontal Ribbon */
.sn-fold--ribbon {
    background: var(--sn-ink);
    color: var(--sn-paper);
    padding-bottom: calc(var(--sn-section-pad) + 1rem);
    clip-path: polygon(0 3%, 100% 0, 100% 100%, 0 100%);
}
.sn-fold--ribbon h2 { color: var(--sn-cream); }
.sn-fold--ribbon h2 span { color: var(--sn-bronze-light); }
.sn-ribbon__head { margin-bottom: 2.5rem; padding-left: clamp(1.25rem, 4vw, 3rem); }
.sn-ribbon__head p { color: rgba(237, 230, 218, 0.7); font-size: 0.9rem; margin-top: 0.5rem; }

.sn-ribbon__track {
    display: flex; gap: 1.5rem;
    overflow-x: auto;
    padding: 1rem clamp(1.25rem, 4vw, 3rem) 2rem;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--sn-bronze) transparent;
    cursor: grab;
}
.sn-ribbon__track.is-dragging { cursor: grabbing; }
.sn-ribbon__track::-webkit-scrollbar { height: 4px; }
.sn-ribbon__track::-webkit-scrollbar-thumb { background: var(--sn-bronze); }

.sn-ribbon__card {
    flex: 0 0 min(340px, 78vw);
    scroll-snap-align: start;
}
.sn-ribbon__card figure {
    position: relative;
    border: 1px solid rgba(154, 123, 79, 0.3);
    overflow: hidden;
    transform: rotate(-1deg);
    transition: transform 0.4s var(--sn-ease);
}
.sn-ribbon__card:nth-child(even) figure { transform: rotate(1deg); }
.sn-ribbon__card:hover figure { transform: rotate(0deg) scale(1.02); }
.sn-ribbon__card figcaption {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 1rem 1.25rem;
    background: rgba(28, 25, 23, 0.8);
}
.sn-ribbon__card strong { display: block; font-family: var(--sn-serif); color: var(--sn-cream); }
.sn-ribbon__hint {
    text-align: center; font-size: 0.72rem;
    letter-spacing: 0.12em; color: rgba(237, 230, 218, 0.5);
    margin-top: 1rem;
}

/* S5 Process */
.sn-fold--process { background: var(--sn-cream); }
.sn-process__head { margin-bottom: 3rem; }
.sn-process__head h2 span { color: var(--sn-bronze); }

.sn-process__steps {
    max-width: 800px; margin: 0 auto;
    display: flex; flex-direction: column; gap: 0;
}
.sn-process__step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1.5rem;
    padding: 2rem 0;
    border-bottom: 1px dashed var(--sn-crease);
    position: relative;
}
.sn-process__step::before {
    content: '';
    position: absolute; left: 39px; top: 0; bottom: 0;
    width: 1px; background: var(--sn-crease);
}
.sn-process__step:first-child::before { top: 50%; }
.sn-process__step:last-child { border-bottom: none; }
.sn-process__step:last-child::before { bottom: 50%; }

.sn-process__num {
    font-family: var(--sn-serif-alt);
    font-size: 2rem; color: var(--sn-bronze);
    text-align: center; z-index: 1;
    background: var(--sn-cream);
    padding: 0.25rem 0;
}
.sn-process__content h3 { margin-bottom: 0.5rem; }
.sn-process__content p { font-size: 0.9rem; color: var(--sn-ink-muted); }

/* S6 Experimental Lab */
.sn-fold--experimental {
    background: var(--sn-paper);
    clip-path: polygon(0 0, 100% 2%, 100% 100%, 0 98%);
}
.sn-lab {
    max-width: 1100px; margin: 0 auto;
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem; align-items: center;
}
.sn-lab__controls h2 { margin: 0.5rem 0 1rem; }
.sn-lab__controls > p { font-size: 0.88rem; color: var(--sn-ink-muted); margin-bottom: 1.5rem; }
.sn-lab__sliders { display: flex; flex-direction: column; gap: 1.25rem; margin-bottom: 1.5rem; }
.sn-lab__sliders label {
    display: flex; flex-direction: column; gap: 0.4rem;
    font-size: 0.75rem; letter-spacing: 0.06em;
}
.sn-lab__sliders input[type="range"] {
    padding: 0; border: none; background: transparent;
    accent-color: var(--sn-bronze);
}
.sn-lab__viewport {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--sn-crease);
    background: var(--sn-ink);
    transition: box-shadow 0.3s;
}
.sn-lab__viewport img {
    width: 100%; transition: filter 0.2s, transform 0.2s;
}
.sn-lab__mask {
    position: absolute; inset: 0;
    background: var(--sn-parchment);
    mix-blend-mode: multiply;
    pointer-events: none;
    transition: opacity 0.2s, clip-path 0.2s;
}
.sn-lab__grain {
    position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
}

/* S7 Metrics */
.sn-fold--metrics {
    background: var(--sn-bronze-pale);
    padding: 4rem clamp(1.25rem, 4vw, 3rem);
}
.sn-metrics { max-width: 1000px; margin: 0 auto; text-align: center; }
.sn-metrics__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin: 2rem 0 1.5rem;
}
.sn-metrics__card {
    padding: 2rem 1rem;
    background: var(--sn-cream);
    border: 1px solid var(--sn-crease);
    box-shadow: var(--sn-fold-shadow);
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
    transition: transform 0.3s var(--sn-ease);
}
.sn-metrics__card:hover { transform: translateY(-4px); }
.sn-metrics__card strong {
    display: block;
    font-family: var(--sn-serif-alt);
    font-size: clamp(2rem, 4vw, 2.75rem);
    color: var(--sn-bronze);
    font-weight: 600;
}
.sn-metrics__card span { font-size: 0.75rem; color: var(--sn-ink-muted); letter-spacing: 0.04em; }
.sn-metrics__note { font-size: 0.82rem; color: var(--sn-ink-muted); max-width: 50ch; margin: 0 auto; }

/* S8 Whisper */
.sn-fold--whisper { background: var(--sn-cream); }
.sn-whisper {
    max-width: 680px; margin: 0 auto;
    position: relative;
    padding: 3rem 2.5rem;
    background: var(--sn-paper);
    border: 1px solid var(--sn-crease);
    box-shadow: var(--sn-fold-shadow);
}
.sn-whisper__fold {
    position: absolute; top: 0; right: 0;
    width: 64px; height: 64px;
    background: var(--sn-cream);
    clip-path: polygon(100% 0, 0 0, 100% 100%);
    border-bottom: 1px solid var(--sn-crease);
    border-left: 1px solid var(--sn-crease);
}
.sn-whisper blockquote p {
    font-family: var(--sn-serif);
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--sn-ink);
    line-height: 1.7;
    margin: 1rem 0;
}
.sn-whisper footer { font-size: 0.78rem; color: var(--sn-ink-muted); }
.sn-whisper__dots {
    display: flex; gap: 0.5rem; margin-top: 1.5rem;
}
.sn-whisper__dots button {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--sn-crease);
    transition: background 0.3s, transform 0.3s;
}
.sn-whisper__dots button.is-active {
    background: var(--sn-bronze);
    transform: scale(1.3);
}

/* S9 Fragments */
.sn-fold--fragments { background: var(--sn-parchment); }
.sn-fragments__head { margin-bottom: 2.5rem; }
.sn-fragments__head h2 span { color: var(--sn-bronze); }

.sn-fragments__mosaic {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: 200px;
    gap: 1rem;
    max-width: 1200px; margin: 0 auto;
}
.sn-fragments__piece { position: relative; }
.sn-fragments__piece--1 { grid-column: span 5; grid-row: span 2; }
.sn-fragments__piece--2 { grid-column: span 4; grid-row: span 1; }
.sn-fragments__piece--3 { grid-column: span 3; grid-row: span 2; }
.sn-fragments__piece--4 { grid-column: span 4; grid-row: span 1; }
.sn-fragments__piece--5 { grid-column: span 3; grid-row: span 1; }
.sn-fragments__piece--6 { grid-column: span 5; grid-row: span 1; }

.sn-fragments__piece figure {
    height: 100%;
    overflow: hidden;
    border: 1px solid var(--sn-crease);
    box-shadow: var(--sn-fold-shadow);
    position: relative;
    transition: transform 0.4s var(--sn-ease);
}
.sn-fragments__piece:hover figure { transform: translateY(-3px); }
.sn-fragments__piece img { width: 100%; height: 100%; object-fit: cover; }
.sn-fragments__piece figcaption {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 1rem;
    background: linear-gradient(transparent, rgba(28,25,23,0.8));
    color: var(--sn-cream);
}
.sn-fragments__piece strong { display: block; font-size: 0.95rem; }
.sn-fragments__piece em { font-size: 0.8rem; font-style: normal; color: var(--sn-bronze-light); }
.sn-fragments__add {
    position: absolute; top: 0.75rem; right: 0.75rem;
    width: 32px; height: 32px;
    background: var(--sn-bronze); color: var(--sn-cream);
    font-size: 1.1rem; line-height: 1;
    opacity: 0; transition: opacity 0.3s;
    z-index: 2;
}
.sn-fragments__piece:hover .sn-fragments__add { opacity: 1; }
.sn-fragments__cta { text-align: center; margin-top: 2.5rem; }

/* S10 Convert */
.sn-fold--convert {
    background: var(--sn-ink);
    color: var(--sn-paper);
    clip-path: polygon(0 4%, 100% 0, 100% 100%, 0 100%);
    padding-top: calc(var(--sn-section-pad) + 2rem);
}
.sn-convert {
    max-width: 800px; margin: 0 auto;
    position: relative;
    padding: 3rem;
    background: rgba(250, 247, 242, 0.04);
    border: 1px solid rgba(154, 123, 79, 0.25);
}
.sn-convert__flap {
    position: absolute; top: -1px; left: 50%;
    transform: translateX(-50%);
    width: 120px; height: 24px;
    background: var(--sn-bronze);
    clip-path: polygon(10% 0, 90% 0, 100% 100%, 0 100%);
}
.sn-convert h2 { color: var(--sn-cream); margin: 1rem 0; }
.sn-convert h2 em { color: var(--sn-bronze-light); }
.sn-convert > .sn-convert__inner > p {
    font-size: 0.92rem; color: rgba(237, 230, 218, 0.8);
    margin-bottom: 2rem; line-height: 1.75;
}
.sn-convert__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2rem; }
.sn-convert__trust {
    display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem;
    font-size: 0.75rem; color: rgba(237, 230, 218, 0.6);
}
.sn-convert__trust li::before { content: '◆ '; color: var(--sn-bronze); font-size: 0.5rem; }

/* Page head */
.sn-page-head {
    padding: 4rem 0 3rem;
    background: var(--sn-cream);
    border-bottom: 1px solid var(--sn-crease);
    clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}
.sn-page-head h1 { margin: 0.5rem 0; }
.sn-page-head h1 em { color: var(--sn-bronze); }
.sn-page-head p { color: var(--sn-ink-muted); font-size: 0.92rem; max-width: 55ch; }
.sn-page-head--legal { clip-path: none; padding-bottom: 2rem; }

/* About */
.sn-about { padding-bottom: var(--sn-section-pad); }
.sn-about > section { padding: 3rem clamp(1.25rem, 4vw, 3rem); max-width: 1100px; margin: 0 auto; }

.sn-about__story {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 3rem; align-items: center;
}
.sn-about__story-copy h2 { margin: 0.5rem 0 1rem; }
.sn-about__story-copy p { font-size: 0.92rem; color: var(--sn-ink-muted); margin-bottom: 1rem; }
.sn-about__story-visual img {
    clip-path: polygon(0 0, 100% 0, 100% 90%, 90% 100%, 0 100%);
    border: 1px solid var(--sn-crease);
    box-shadow: var(--sn-fold-shadow);
}

.sn-about__mission-sheet {
    padding: 2.5rem;
    background: var(--sn-paper);
    border-left: 4px solid var(--sn-bronze);
    box-shadow: var(--sn-fold-shadow);
}
.sn-about__mission blockquote p { font-family: var(--sn-serif); font-size: 1.15rem; line-height: 1.7; }

.sn-about__values h2 { margin-bottom: 2rem; }
.sn-about__values-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem;
}
.sn-about__values-grid li {
    padding: 1.5rem;
    background: var(--sn-cream);
    border: 1px solid var(--sn-crease);
    clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}
.sn-about__val-icon {
    display: inline-flex; width: 36px; height: 36px;
    align-items: center; justify-content: center;
    background: var(--sn-bronze-pale);
    font-family: var(--sn-serif); font-size: 0.9rem;
    color: var(--sn-bronze); margin-bottom: 0.75rem;
}
.sn-about__values-grid h3 { margin-bottom: 0.4rem; font-size: 1rem; }
.sn-about__values-grid p { font-size: 0.82rem; color: var(--sn-ink-muted); }

.sn-about__timeline h2 { margin-bottom: 2rem; }
.sn-about__timeline-list { position: relative; padding-left: 2rem; }
.sn-about__timeline-list::before {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0;
    width: 2px; background: var(--sn-crease);
}
.sn-about__timeline-list li {
    position: relative; padding: 1.5rem 0 1.5rem 2rem;
    border-bottom: 1px dashed var(--sn-bronze-pale);
}
.sn-about__timeline-list li::before {
    content: ''; position: absolute; left: -2rem; top: 1.75rem;
    width: 12px; height: 12px;
    background: var(--sn-bronze); transform: translateX(-5px) rotate(45deg);
}
.sn-about__timeline-list time {
    font-family: var(--sn-serif-alt);
    font-size: 1.5rem; color: var(--sn-bronze);
    display: block; margin-bottom: 0.25rem;
}
.sn-about__timeline-list h3 { font-size: 1.05rem; margin-bottom: 0.35rem; }
.sn-about__timeline-list p { font-size: 0.85rem; color: var(--sn-ink-muted); }

.sn-about__team-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 2.5rem; align-items: center;
}
.sn-about__team-grid h2 { margin: 0.5rem 0 1rem; }
.sn-about__team-grid p { font-size: 0.9rem; color: var(--sn-ink-muted); margin-bottom: 1rem; }
.sn-about__team-grid img { border: 1px solid var(--sn-crease); }

.sn-about__location {
    display: grid; grid-template-columns: 1.2fr 0.8fr;
    gap: 2rem; align-items: end;
}
.sn-about__location-info h2 { margin: 0.5rem 0; }
.sn-about__location-info address,
.sn-about__location-info p,
.sn-about__location-info span { font-size: 0.88rem; color: var(--sn-ink-muted); display: block; margin-bottom: 0.5rem; }

.sn-about__cta {
    text-align: center;
    padding: 4rem 2rem !important;
    background: var(--sn-paper);
    max-width: none !important;
}
.sn-about__cta h2 { margin-bottom: 1.5rem; }

/* Shop */
.sn-shop {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 2.5rem;
    padding: 3rem clamp(1.25rem, 4vw, 3rem);
    max-width: 1300px; margin: 0 auto;
}
.sn-shop__filter-sheet {
    position: sticky; top: calc(var(--sn-nav-h) + 1.5rem);
    padding: 1.5rem;
    background: var(--sn-cream);
    border: 1px solid var(--sn-crease);
    box-shadow: var(--sn-fold-shadow);
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}
.sn-shop__cats { display: flex; flex-direction: column; gap: 0.35rem; margin: 1rem 0; }
.sn-shop__cat {
    padding: 0.5rem 0.75rem;
    font-size: 0.82rem;
    border-left: 2px solid transparent;
    transition: border-color 0.25s, background 0.25s;
}
.sn-shop__cat.is-active,
.sn-shop__cat:hover {
    border-left-color: var(--sn-bronze);
    background: var(--sn-bronze-pale);
}
.sn-shop__search { display: flex; flex-direction: column; gap: 0.5rem; margin: 1rem 0; }
.sn-shop__meta {
    display: flex; justify-content: space-between;
    font-size: 0.78rem; color: var(--sn-ink-muted);
    margin: 1rem 0;
}
.sn-shop__reset { color: var(--sn-bronze); text-decoration: underline; }
.sn-shop__process { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px dashed var(--sn-crease); }
.sn-shop__process ol { margin-top: 0.75rem; }
.sn-shop__process li {
    font-size: 0.78rem; color: var(--sn-ink-muted);
    padding: 0.35rem 0 0.35rem 1.25rem;
    position: relative;
}
.sn-shop__process li::before {
    content: counter(list-item);
    counter-increment: list-item;
    position: absolute; left: 0;
    font-size: 0.65rem; color: var(--sn-bronze);
}
.sn-shop__process ol { counter-reset: list-item; }
.sn-shop__price-note { font-size: 0.68rem; color: var(--sn-ink-muted); margin-top: 1rem; }

.sn-shop__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    align-content: start;
}
.sn-shop__empty {
    grid-column: 1 / -1;
    text-align: center; padding: 4rem 2rem;
    background: var(--sn-cream); border: 1px dashed var(--sn-crease);
}

.sn-shop-card {
    background: var(--sn-cream);
    border: 1px solid var(--sn-crease);
    box-shadow: var(--sn-fold-shadow);
    transition: transform 0.35s var(--sn-ease), box-shadow 0.35s;
    overflow: hidden;
}
.sn-shop-card:hover { transform: translateY(-4px); box-shadow: var(--sn-fold-shadow-lg); }
.sn-shop-card--2 { transform: rotate(0.5deg); }
.sn-shop-card--3 { transform: rotate(-0.5deg); }
.sn-shop-card--2:hover, .sn-shop-card--3:hover { transform: translateY(-4px) rotate(0); }

.sn-shop-card__visual { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.sn-shop-card__visual img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.sn-shop-card:hover .sn-shop-card__visual img { transform: scale(1.04); }
.sn-shop-card__badge {
    position: absolute; top: 0.75rem; left: 0.75rem;
    padding: 0.25rem 0.6rem;
    background: var(--sn-bronze); color: var(--sn-cream);
    font-size: 0.62rem; letter-spacing: 0.1em;
}
.sn-shop-card__fold {
    position: absolute; bottom: 0.75rem; right: 0.75rem;
    font-size: 0.62rem; letter-spacing: 0.12em;
    color: var(--sn-cream); opacity: 0.8;
}
.sn-shop-card__body { padding: 1.25rem; }
.sn-shop-card__body h2 { font-size: 1.1rem; margin: 0.35rem 0 0.75rem; }
.sn-shop-card__specs { font-size: 0.72rem; margin-bottom: 1rem; }
.sn-shop-card__specs div { display: flex; justify-content: space-between; padding: 0.25rem 0; border-bottom: 1px solid var(--sn-bronze-pale); }
.sn-shop-card__specs dt { color: var(--sn-ink-muted); }
.sn-shop-card__price {
    font-family: var(--sn-serif);
    font-size: 1.2rem; color: var(--sn-bronze);
    margin-bottom: 1rem;
}
.sn-shop-card__actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.sn-shop-cta {
    text-align: center;
    padding: 3rem 2rem 4rem;
    background: var(--sn-paper);
}
.sn-shop-cta h2 { margin-bottom: 0.5rem; }
.sn-shop-cta p { color: var(--sn-ink-muted); font-size: 0.9rem; margin-bottom: 1.25rem; }

/* FAQ */
.sn-faq { padding: 2rem 0 4rem; }
.sn-faq__intro { font-size: 0.92rem; color: var(--sn-ink-muted); margin-bottom: 2.5rem; }
.sn-faq__group {
    font-family: var(--sn-serif);
    font-size: 1.2rem;
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--sn-bronze);
}
.sn-faq__item {
    border: 1px solid var(--sn-crease);
    margin-bottom: 0.5rem;
    background: var(--sn-cream);
    transition: box-shadow 0.3s;
}
.sn-faq__item[open] { box-shadow: var(--sn-fold-shadow); }
.sn-faq__item summary {
    padding: 1.1rem 1.5rem;
    font-size: 0.92rem; font-weight: 500;
    cursor: pointer;
    list-style: none;
    display: flex; justify-content: space-between; align-items: center;
}
.sn-faq__item summary::-webkit-details-marker { display: none; }
.sn-faq__item summary::after {
    content: '+'; font-size: 1.2rem; color: var(--sn-bronze);
    transition: transform 0.3s;
}
.sn-faq__item[open] summary::after { transform: rotate(45deg); }
.sn-faq__answer {
    padding: 0 1.5rem 1.25rem;
    font-size: 0.88rem; color: var(--sn-ink-muted);
    line-height: 1.75;
    border-top: 1px dashed var(--sn-bronze-pale);
}

.sn-faq__cta {
    margin-top: 3rem;
    padding: 2.5rem;
    text-align: center;
    background: var(--sn-paper);
    border: 1px solid var(--sn-crease);
}
.sn-faq__cta h2 { margin-bottom: 0.5rem; }
.sn-faq__cta p { font-size: 0.88rem; color: var(--sn-ink-muted); margin-bottom: 1.25rem; }
.sn-faq__cta-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

/* Contact */
.sn-contact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 3rem clamp(1.25rem, 4vw, 3rem);
    max-width: 1100px; margin: 0 auto 4rem;
}
.sn-contact__card {
    padding: 2rem;
    background: var(--sn-cream);
    border: 1px solid var(--sn-crease);
    box-shadow: var(--sn-fold-shadow);
    margin-bottom: 1.5rem;
}
.sn-contact__card h2 { font-size: 1.3rem; margin: 0.5rem 0 1rem; }
.sn-contact__card address { font-size: 0.88rem; color: var(--sn-ink-muted); margin-bottom: 1rem; }
.sn-contact__details { font-size: 0.88rem; }
.sn-contact__details div { display: grid; grid-template-columns: 80px 1fr; gap: 0.5rem; padding: 0.4rem 0; }
.sn-contact__details dt { color: var(--sn-ink-muted); }
.sn-contact__details a:hover { color: var(--sn-bronze); }

.sn-contact__map-frame {
    border: 1px solid var(--sn-crease);
    overflow: hidden;
    box-shadow: var(--sn-fold-shadow);
}
.sn-contact__access { font-size: 0.78rem; color: var(--sn-ink-muted); margin-top: 0.75rem; }

.sn-contact__form {
    padding: 2rem;
    background: var(--sn-cream);
    border: 1px solid var(--sn-crease);
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}
.sn-contact__form h2 { margin: 0.5rem 0 1.5rem; }
.sn-form-row { margin-bottom: 1.25rem; }
.sn-form-row label { display: block; font-size: 0.78rem; margin-bottom: 0.4rem; }
.sn-form-row label span { color: var(--sn-bronze); }
.sn-form-row--check label { display: flex; align-items: flex-start; gap: 0.5rem; font-size: 0.82rem; }
.sn-form-row--check input { width: auto; margin-top: 0.2rem; }
.sn-contact__note { font-size: 0.75rem; color: var(--sn-ink-muted); margin-top: 1rem; }

/* Cart */
.sn-cart {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2.5rem;
    padding: 2rem clamp(1.25rem, 4vw, 3rem) 4rem;
    max-width: 1100px; margin: 0 auto;
    align-items: start;
}
.sn-cart-empty {
    grid-column: 1 / -1;
    text-align: center; padding: 4rem 2rem;
    background: var(--sn-cream); border: 1px dashed var(--sn-crease);
}
.sn-cart-table { background: var(--sn-cream); border: 1px solid var(--sn-crease); }
.sn-cart-table__head {
    display: grid;
    grid-template-columns: 2fr 1fr 100px 1fr 40px;
    gap: 1rem; padding: 1rem 1.25rem;
    font-size: 0.68rem; letter-spacing: 0.1em;
    text-transform: uppercase; color: var(--sn-ink-muted);
    border-bottom: 1px solid var(--sn-crease);
    background: var(--sn-paper);
}
.sn-cart-row {
    display: grid;
    grid-template-columns: 2fr 1fr 100px 1fr 40px;
    gap: 1rem; padding: 1.25rem;
    align-items: center;
    border-bottom: 1px solid var(--sn-bronze-pale);
    font-size: 0.88rem;
}
.sn-cart-row__product { display: flex; align-items: center; gap: 1rem; }
.sn-cart-row__product img { width: 72px; height: 54px; object-fit: cover; border: 1px solid var(--sn-crease); }
.sn-qty { display: flex; align-items: center; gap: 0.5rem; }
.sn-qty-btn {
    width: 28px; height: 28px;
    border: 1px solid var(--sn-crease);
    display: flex; align-items: center; justify-content: center;
    transition: background 0.25s;
}
.sn-qty-btn:hover { background: var(--sn-bronze-pale); }
.sn-cart-remove {
    font-size: 1.25rem; color: var(--sn-ink-muted);
    transition: color 0.25s;
}
.sn-cart-remove:hover { color: var(--sn-bronze); }

.sn-cart-side {
    position: sticky; top: calc(var(--sn-nav-h) + 1.5rem);
    padding: 1.5rem;
    background: var(--sn-cream);
    border: 1px solid var(--sn-crease);
    box-shadow: var(--sn-fold-shadow);
}
.sn-cart-side h2 { font-size: 1.1rem; margin-bottom: 1.25rem; }
.sn-cart-totals { font-size: 0.85rem; }
.sn-cart-totals > div {
    display: flex; justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px dashed var(--sn-bronze-pale);
}
.sn-cart-totals__total {
    font-weight: 600; font-size: 1rem;
    color: var(--sn-ink); margin-top: 0.5rem;
    border-bottom: none !important;
}
.sn-cart-coupon { margin-top: 1.5rem; }
.sn-cart-coupon label { font-size: 0.75rem; display: block; margin-bottom: 0.4rem; }
.sn-cart-coupon__row { display: flex; gap: 0.5rem; }
.sn-cart-coupon__hint { font-size: 0.68rem; color: var(--sn-ink-muted); margin-top: 0.4rem; }
.sn-cart-note { font-size: 0.68rem; color: var(--sn-ink-muted); margin-top: 1rem; line-height: 1.5; }

/* Legal */
.sn-legal {
    padding: 2rem 0 4rem;
    max-width: 760px;
}
.sn-legal section { margin-bottom: 2.5rem; }
.sn-legal h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--sn-crease);
}
.sn-legal h3 { font-size: 1rem; margin: 1.25rem 0 0.5rem; color: var(--sn-ink-soft); }
.sn-legal p { font-size: 0.9rem; color: var(--sn-ink-muted); margin-bottom: 0.75rem; line-height: 1.8; }
.sn-legal ul, .sn-legal ol { margin: 0.75rem 0 1rem 1.25rem; }
.sn-legal li {
    font-size: 0.88rem; color: var(--sn-ink-muted);
    margin-bottom: 0.4rem; list-style: disc;
}
.sn-legal a { color: var(--sn-bronze); text-decoration: underline; }

/* Footer */
.sn-fold-foot {
    position: relative;
    background: var(--sn-ink);
    color: rgba(237, 230, 218, 0.75);
    padding-top: 4rem;
}
.sn-fold-foot__crease { position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.sn-fold-foot__line--a {
    display: block; height: 1px;
    background: linear-gradient(90deg, transparent, var(--sn-bronze), transparent);
    transform: rotate(-0.5deg);
}
.sn-fold-foot__inner {
    max-width: 1200px; margin: 0 auto;
    padding: 0 clamp(1.25rem, 4vw, 3rem) 3rem;
}
.sn-fold-foot__mast { margin-bottom: 3rem; }
.sn-fold-foot__logo {
    display: flex; align-items: center; gap: 1rem;
    margin-bottom: 0.75rem;
}
.sn-fold-foot__glyph {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--sn-serif); font-size: 1.25rem;
    background: rgba(154, 123, 79, 0.15);
    border: 1px solid rgba(154, 123, 79, 0.3);
    color: var(--sn-bronze-light);
}
.sn-fold-foot__logo strong { display: block; color: var(--sn-cream); font-family: var(--sn-serif); }
.sn-fold-foot__logo span { font-size: 0.72rem; color: rgba(237, 230, 218, 0.5); }
.sn-fold-foot__tag { font-size: 0.85rem; font-style: italic; color: rgba(237, 230, 218, 0.6); }

.sn-fold-foot__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}
.sn-fold-foot__col { display: flex; flex-direction: column; gap: 0.5rem; }
.sn-fold-foot__col a { font-size: 0.82rem; transition: color 0.25s; }
.sn-fold-foot__col a:hover { color: var(--sn-bronze-light); }
.sn-fold-foot__col--studio address,
.sn-fold-foot__col--studio span { font-size: 0.78rem; line-height: 1.6; }

.sn-fold-foot__letter label { font-size: 0.72rem; margin-bottom: 0.5rem; }
.sn-fold-foot__letter-row { display: flex; gap: 0.5rem; }
.sn-fold-foot__letter input {
    background: rgba(250, 247, 242, 0.06);
    border-color: rgba(154, 123, 79, 0.25);
    color: var(--sn-cream);
    font-size: 0.82rem;
}

.sn-fold-foot__bar {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem;
    padding: 1.25rem clamp(1.25rem, 4vw, 3rem);
    border-top: 1px solid rgba(154, 123, 79, 0.15);
    font-size: 0.68rem; color: rgba(237, 230, 218, 0.4);
}

/* Back to top */
.sn-top {
    position: fixed; bottom: 2rem; right: 2rem; z-index: 800;
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    background: var(--sn-cream);
    border: 1px solid var(--sn-crease);
    box-shadow: var(--sn-fold-shadow);
    opacity: 0; visibility: hidden;
    transform: translateY(12px);
    transition: all 0.35s var(--sn-ease);
}
.sn-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.sn-top:hover { background: var(--sn-bronze); color: var(--sn-cream); border-color: var(--sn-bronze); }

/* Toast */
.sn-toast {
    position: fixed; bottom: 2rem; left: 50%; z-index: 9999;
    transform: translateX(-50%) translateY(120%);
    padding: 0.85rem 1.75rem;
    background: var(--sn-ink); color: var(--sn-cream);
    font-size: 0.82rem;
    border-left: 3px solid var(--sn-bronze);
    box-shadow: var(--sn-fold-shadow-lg);
    transition: transform 0.4s var(--sn-ease-out);
}
.sn-toast.is-visible { transform: translateX(-50%) translateY(0); }

/* Responsive */
@media (max-width: 1024px) {
    .sn-fold-entry__layout { grid-template-columns: 1fr; }
    .sn-fold-entry__panel--right { order: -1; }
    .sn-manifesto__sheet { grid-template-columns: 1fr; }
    .sn-lab { grid-template-columns: 1fr; }
    .sn-metrics__grid { grid-template-columns: repeat(2, 1fr); }
    .sn-fragments__mosaic { grid-template-columns: repeat(6, 1fr); }
    .sn-fragments__piece--1 { grid-column: span 6; }
    .sn-fragments__piece--2,
    .sn-fragments__piece--3,
    .sn-fragments__piece--4,
    .sn-fragments__piece--5,
    .sn-fragments__piece--6 { grid-column: span 3; grid-row: span 1; }
    .sn-about__story,
    .sn-about__team-grid,
    .sn-about__location { grid-template-columns: 1fr; }
    .sn-about__values-grid { grid-template-columns: repeat(2, 1fr); }
    .sn-shop { grid-template-columns: 1fr; }
    .sn-shop__filter-sheet { position: static; }
    .sn-contact { grid-template-columns: 1fr; }
    .sn-cart { grid-template-columns: 1fr; }
    .sn-fold-foot__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sn-ribbon-nav__links { display: none; }
    .sn-burger { display: flex; }
    .sn-process__step { grid-template-columns: 60px 1fr; }
    .sn-metrics__grid { grid-template-columns: 1fr 1fr; }
    .sn-fragments__mosaic { grid-template-columns: 1fr; grid-auto-rows: auto; }
    .sn-fragments__piece--1,
    .sn-fragments__piece--2,
    .sn-fragments__piece--3,
    .sn-fragments__piece--4,
    .sn-fragments__piece--5,
    .sn-fragments__piece--6 { grid-column: span 1; grid-row: span 1; }
    .sn-fragments__piece figure { min-height: 220px; }
    .sn-about__values-grid { grid-template-columns: 1fr; }
    .sn-cart-table__head { display: none; }
    .sn-cart-row {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        padding: 1.5rem 1rem;
    }
    .sn-fold-foot__grid { grid-template-columns: 1fr; }
    .sn-fold-foot__bar { flex-direction: column; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
    .sn-reveal { opacity: 1; transform: none; }
}