/* ==========================================================================
   RDW front page proposal, October 2026
   Tokens come from ../public_html_v2/assets/colors_and_type.css (unchanged).
   Base state = stacked, readable page. Everything scroll-driven is gated
   behind html.js-scroll, which home.js sets only when motion is allowed.
   ========================================================================== */

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--rdw-paper);
    color: var(--rdw-ink);
    font-family: var(--rdw-font-body);
    font-size: 1.0625rem;
    line-height: 1.65;
}

h1, h2, h3 {
    font-family: var(--rdw-font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.05;
    margin: 0;
    text-wrap: balance;
}
p { margin: 0; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--rdw-gold); outline-offset: 3px; }

:root {
    --pad: clamp(1.25rem, 5vw, 4.5rem);
    --s: clamp(170px, 23vw, 300px);       /* cube edge */
    --bar-h: 0px;
    --ease: cubic-bezier(.32, .72, 0, 1);
    --r-panel: 20px;
}

.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; z-index: 50; background: var(--rdw-gold); color: #000; padding: .5rem .9rem; }

/* ── Bar ─────────────────────────────────────────────────────────────── */
.bar {
    position: fixed; top: 14px; left: 50%; translate: -50% 0; z-index: 30;
    height: 56px; width: max-content; max-width: calc(100vw - 24px);
    display: flex; align-items: center; gap: 1.6rem;
    padding: 0 10px 0 10px; border-radius: 999px;
    background: color-mix(in srgb, var(--rdw-paper) 96%, transparent);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .7), 0 0 0 1px rgba(10, 10, 10, .08), 0 18px 40px -18px rgba(20, 14, 2, .45);
}
.bar__logo {
    font-family: var(--rdw-font-heading); font-weight: 700; letter-spacing: .06em;
    text-decoration: none; color: var(--rdw-gold);
    background: #000; padding: .55rem .9rem; border-radius: 999px;
}
.bar__nav { display: flex; gap: 1.5rem; }
.bar__nav a, .bar__lang a { text-decoration: none; font-weight: 500; font-size: .95rem; }
.bar__nav a:hover, .bar__lang a:hover { color: var(--rdw-gold-deep); }
.bar__lang { display: flex; gap: .6rem; font-size: .85rem; padding: 0 .9rem 0 .2rem; }
.bar__lang a[aria-current] { border-bottom: 2px solid var(--rdw-gold); }

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: .9rem; cursor: pointer;
    font: 600 1rem var(--rdw-font-body); text-decoration: none; white-space: nowrap;
    padding: .85rem 1.5rem; border-radius: 999px; border: 1.5px solid transparent;
    transition: background-color .5s var(--ease), color .5s var(--ease), border-color .5s var(--ease), scale .3s var(--ease);
}
.btn:active { scale: .98; }
.btn:has(i) { padding-right: .45rem; }
.btn i { width: 2.1rem; height: 2.1rem; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 255, 255, .16); transition: translate .5s var(--ease), scale .5s var(--ease); }
.btn:hover i { translate: 2px -2px; scale: 1.06; }
.btn--solid { background: #000; color: var(--rdw-paper); }
.btn--solid:hover { background: var(--rdw-gold-deep); }
.btn--line { border-color: rgba(10, 10, 10, .85); }
.btn--line:hover { background: #000; color: var(--rdw-paper); }
.btn--gold { background: var(--rdw-gold); color: #000; border: 0; }
.btn--gold i { background: rgba(0, 0, 0, .12); }
.btn--gold:hover { background: var(--rdw-gold-light); }

/* ── Hero (paper) ────────────────────────────────────────────────────── */
.hero {
    min-height: 100dvh;
    display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center; gap: var(--pad);
    padding: 96px var(--pad) clamp(2rem, 6vh, 4rem);
}
.hero__title { font-size: clamp(3rem, 8.4vw, 8rem); line-height: .95; }
.hero__title .rdw-mark-gold { display: inline-block; padding: 0 .12em .04em; }
.hero__lead { font-size: clamp(1.1rem, 1.5vw, 1.35rem); max-width: 34em; margin-top: 2rem; color: var(--rdw-ink-2); }
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.hero__fact { margin-top: 2.5rem; padding-top: 1rem; border-top: 1px solid var(--rdw-paper-border-2); max-width: 34em; color: var(--rdw-ink-3); font-size: .95rem; }
.hero__stage { min-height: calc(var(--s) * 1.9); display: grid; place-items: center; }

.hero { position: relative; overflow: clip; }
.hero__copy, .hero__stage { position: relative; z-index: 1; }
/* A ghosted render of the dial, printed into the paper behind the cube */
.hero__ghost {
    position: absolute; right: -8vw; top: -6%; width: min(78vw, 1250px); aspect-ratio: 16 / 9;
    background: url(../media/ghost-dial.webp) center / cover no-repeat;
    opacity: .6;
    -webkit-mask-image: radial-gradient(ellipse at 60% 50%, #000 30%, transparent 72%);
            mask-image: radial-gradient(ellipse at 60% 50%, #000 30%, transparent 72%);
    translate: 0 var(--par-y, 0);
}

/* ── The cube ────────────────────────────────────────────────────────────
   --f  fold: 1 = closed cube, 0 = flat net
   The walls fold away from the viewer so every face keeps its front outward.
   Without JS the cube simply sits closed in the hero at the tilt below.     */
.stage { perspective: 1500px; pointer-events: none; }
.rig {
    --f: 1; --m: 0;
    width: var(--s); height: var(--s);
    transform-style: preserve-3d;
    transform: rotateX(-24deg) rotateY(34deg);
}
.cube, .hinge { position: absolute; width: 100%; height: 100%; transform-style: preserve-3d; }
.cube { left: 0; top: 0; transform: translateX(calc(var(--s) * -.5 * (1 - var(--f)))) translateZ(calc(var(--s) * .5 * var(--f))); }
.hinge--base   { left: 0; top: 0; }
.hinge--top    { left: 0; top: -100%;  transform-origin: 50% 100%; transform: rotateX(calc(90deg * var(--f))); }
.hinge--bottom { left: 0; top: 100%;   transform-origin: 50% 0;    transform: rotateX(calc(-90deg * var(--f))); }
.hinge--left   { left: -100%; top: 0;  transform-origin: 100% 50%; transform: rotateY(calc(-90deg * var(--f))); }
.hinge--right  { left: 100%; top: 0;   transform-origin: 0 50%;    transform: rotateY(calc(90deg * var(--f))); }
.hinge--lid    { left: 100%; top: 0;   transform-origin: 0 50%;    transform: rotateY(calc(90deg * var(--f))); }

.face {
    position: absolute; inset: 0;
    background: linear-gradient(160deg, #15120a, #000 70%); border-radius: 13%;
    box-shadow: inset 0 0 0 1.5px rgba(201, 168, 76, .6);
    overflow: hidden; display: grid; place-items: center;
    backface-visibility: hidden;
}
.face img { width: 100%; height: 100%; object-fit: cover; }
.face--word span {
    font: 700 calc(var(--s) * .3) / 1 var(--rdw-font-heading); letter-spacing: .02em;
    background: linear-gradient(#dfc070, #c9a84c 50%, #8a7230); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.face--word span { font-size: calc(var(--s) * .15); letter-spacing: 0; }
.face--rdw span { font-size: calc(var(--s) * .3); letter-spacing: .02em; }
.face--soft { align-content: center; gap: calc(var(--s) * .07); }
.face--soft i { display: flex; gap: calc(var(--s) * .05); }
.face--soft img { width: calc(var(--s) * .2); height: calc(var(--s) * .2); border-radius: 22%; }

/* A slightly smaller solid core, so the rounded corners never show through */
.hinge::before {
    content: ""; position: absolute; inset: 3%; background: #000;
    transform: translateZ(calc(var(--s) * -.03));
}

/* Pattern marks on the flat net: notch ticks at every fold line, shown by --m */
.hinge:not(.hinge--base)::after {
    content: ""; position: absolute; opacity: var(--m);
    background: repeating-linear-gradient(90deg, var(--rdw-gold) 0 2px, transparent 2px 25%);
    left: 12%; right: 12%; height: 9%; top: 100%; transform: translateY(-50%);
}
.hinge--bottom::after { top: 0 !important; }
.hinge--left::after, .hinge--right::after, .hinge--lid::after {
    background: repeating-linear-gradient(0deg, var(--rdw-gold) 0 2px, transparent 2px 25%) !important;
    top: 12% !important; bottom: 12%; height: auto !important; width: 9%; transform: translateX(-50%) !important;
}
.hinge--left::after  { left: 100% !important; right: auto !important; }
.hinge--right::after, .hinge--lid::after { left: 0 !important; right: auto !important; }

/* ── Process (black) ─────────────────────────────────────────────────── */
.process { background: #000; color: var(--rdw-text); position: relative; }
.process__pin {
    position: relative; overflow: hidden;
    padding: clamp(4rem, 12vh, 8rem) var(--pad);
}
.process__mat {
    position: absolute; inset: 0; pointer-events: none;
    background:
        linear-gradient(rgba(201,168,76,.11) 1px, transparent 1px) 0 0 / 100% 64px,
        linear-gradient(90deg, rgba(201,168,76,.11) 1px, transparent 1px) 0 0 / 64px 100%;
    -webkit-mask-image: radial-gradient(ellipse at 70% 50%, #000 0, transparent 72%);
            mask-image: radial-gradient(ellipse at 70% 50%, #000 0, transparent 72%);
}
.process__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .42; }
.process__pin::before { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(90deg, #000 4%, transparent 62%); }
.process__copy { position: relative; z-index: 1; max-width: 30rem; }
.process__title { font-size: clamp(1.9rem, 3.6vw, 3.25rem); color: var(--rdw-text-strong); }
.steps { list-style: none; margin: 3rem 0 0; padding: 0; counter-reset: step; display: grid; gap: 2.2rem; }
.step { counter-increment: step; padding-left: 3.2rem; position: relative; }
.step::before {
    content: counter(step); position: absolute; left: 0; top: -.1rem;
    font: 700 2rem/1 var(--rdw-font-heading); color: var(--rdw-gold);
}
.step h3 { font-size: 1.6rem; color: var(--rdw-text-strong); }
.step p { margin-top: .5rem; color: var(--rdw-text-2); }

/* ── Expertise (paper) ───────────────────────────────────────────────── */
.skills { padding: clamp(5rem, 14vh, 9rem) var(--pad) clamp(4rem, 10vh, 7rem); }
.skills__head { max-width: 46rem; }
.skills__head h2, .products__head h2 { font-size: clamp(2.6rem, 6vw, 5.5rem); }
.skills__head p, .products__head p { font-size: 1.2rem; color: var(--rdw-ink-2); margin-top: 1rem; }
.skill {
    display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 1.5rem clamp(2rem, 5vw, 5rem); align-items: start;
    padding: clamp(3rem, 9vh, 6rem) 0;
    border-top: 1px solid var(--rdw-paper-border-2);
    margin-top: clamp(1.5rem, 4vh, 3rem);
}
.skill h3 { font-size: clamp(1.9rem, 3.2vw, 2.9rem); }
.skill p { max-width: 34em; color: var(--rdw-ink-2); font-size: 1.125rem; }
.skill p + p { margin-top: 1.2rem; }
.skill ul { list-style: none; margin: 1.6rem 0 0; padding: 0; max-width: 34em; }
.skill li { padding: .7rem 0 .7rem 1.5rem; border-top: 1px solid var(--rdw-paper-border); position: relative; font-weight: 500; }
.skill li::before { content: ""; position: absolute; left: 0; top: 1.25rem; width: .6rem; height: 2px; background: var(--rdw-gold); }

/* Image plates: dark renders set into the paper, drifting slower than the text */
.plate { margin: 1rem 0 0; grid-column: 1; align-self: end; translate: 0 var(--par-y, 0); position: relative; }
.skill > h3 { grid-column: 1; }
.skill > div { grid-column: 2; grid-row: 1 / span 2; }
.plate img { width: 100%; border-radius: var(--rdw-radius-lg); box-shadow: 0 30px 60px -20px rgba(20, 14, 2, .55), 0 0 0 1px rgba(0,0,0,.4); background: #000; }
.plate figcaption { margin-top: .8rem; font-size: .9rem; color: var(--rdw-ink-3); }
.logos { grid-column: 1; display: flex; gap: 1.2rem; margin: 0; }
.logos img { width: clamp(84px, 9vw, 128px); height: auto; aspect-ratio: 1; border-radius: 22%; box-shadow: 0 18px 36px -12px rgba(20, 14, 2, .5); transition: translate .25s var(--rdw-ease); }
.logos a:hover img { translate: 0 -4px; }
.plate--wipe { --w: 1; }
.plate__over { position: absolute; left: 0; top: 0; clip-path: inset(0 calc((1 - var(--w)) * 100%) 0 0); box-shadow: none !important; }

/* ── Products (paper) ────────────────────────────────────────────────── */
.products { background: var(--rdw-paper); padding: clamp(5rem, 14vh, 9rem) var(--pad) clamp(3rem, 8vh, 5rem); }
.products__head { max-width: 46rem; }

.prod {
    display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: clamp(2rem, 5vw, 5rem); align-items: center;
    padding: clamp(2.5rem, 7vh, 4.5rem) 0;
    border-top: 1px solid var(--rdw-paper-border-2);
    margin-top: clamp(2rem, 6vh, 4rem);
}
.prod__logo { width: 112px; height: 112px; border-radius: 22%; box-shadow: 0 10px 28px rgba(58, 42, 14, .28); }
.prod__kind { margin-top: 1.6rem; color: var(--rdw-gold-deep); font-weight: 600; font-size: .95rem; }
.prod h3 { font-size: clamp(2rem, 3.6vw, 3rem); margin-top: .25rem; }
.prod__copy > p:not([class]) { margin-top: 1.1rem; max-width: 33em; color: var(--rdw-ink-2); }
.prod__go { margin-top: 1.8rem; display: flex; flex-wrap: wrap; align-items: center; gap: .8rem 1.2rem; color: var(--rdw-ink-3); font-size: .93rem; }
.prod__show {
    background: #fff; border-radius: calc(var(--r-panel) - 8px); outline: 8px solid rgba(10, 10, 10, .045); outline-offset: 0;
    border: 1px solid rgba(10, 10, 10, .1);
    padding: clamp(1rem, 3vw, 2.5rem); min-height: 300px; display: grid; place-items: center;
    box-shadow: 0 30px 60px -28px rgba(20, 14, 2, .35);
}
.also { display: flex; align-items: center; gap: 1rem; margin-top: clamp(2rem, 5vh, 3rem); padding-top: 1.5rem; border-top: 1px solid var(--rdw-paper-border-2); color: var(--rdw-ink-3); font-size: .98rem; }
.also img { width: 44px; height: 44px; border-radius: 22%; flex: none; }
.also a { color: var(--rdw-ink); font-weight: 600; text-decoration-color: var(--rdw-gold); text-underline-offset: 3px; }

/* Four-bar sprite: 12 frames, stepped by --frame */
.sprite {
    --frame: 0;
    width: 100%; aspect-ratio: 866 / 414;
    background: url(../media/chelae-fourbar-sprite.webp) calc(var(--frame) / 11 * 100%) 0 / 1200% 100% no-repeat;
}

/* Notch figure: marks are drawn one after another by --p (0..1) */
.notchfig, .nestfig { width: 100%; --p: 1; }
.nf-allow { fill: none; stroke: var(--rdw-gold-deep); stroke-width: 1.5; stroke-dasharray: 7 6; }
.nf-piece { fill: var(--rdw-paper-2); stroke: #0a0a0a; stroke-width: 2.5; }
.nf-marks path {
    fill: none; stroke: var(--rdw-gold-deep); stroke-width: 4; stroke-linecap: round;
    opacity: clamp(0, calc((var(--p) - var(--i) * .11) * 9), 1);
}

/* Nest figure: parts travel from scattered (--p 0) to packed (--p 1) */
.ns-sheet { fill: var(--rdw-paper); stroke: #0a0a0a; stroke-width: 1.5; stroke-dasharray: 3 5; }
.ns-parts path {
    fill: #000; stroke: var(--rdw-gold); stroke-width: 1.5;
    transform-box: fill-box; transform-origin: center;
    transform: translate(calc(var(--dx) * (1 - var(--p))), calc(var(--dy) * (1 - var(--p)))) rotate(calc(var(--dr) * (1 - var(--p))));
}

/* ── Made with (black, full bleed) ───────────────────────────────────── */
.made { position: relative; background: #000; color: var(--rdw-text-strong); min-height: 86vh; display: grid; align-items: end; overflow: hidden; }
.made picture, .made img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 62% 50%; }
.made__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 62% 50%; opacity: 0; transition: opacity .8s; }
.made__video.is-on { opacity: 1; }
.made::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.75) 0, transparent 55%); }
.made__copy { z-index: 1; position: relative; padding: var(--pad); max-width: 34rem; }
.made__copy h2 { font-size: clamp(2.6rem, 6vw, 5.5rem); }
.made__copy p { margin: 1.2rem 0 1.8rem; color: var(--rdw-text); }

/* ── About (paper) ───────────────────────────────────────────────────── */
.about {
    display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    gap: clamp(2rem, 6vw, 6rem); align-items: start;
    padding: clamp(5rem, 14vh, 9rem) var(--pad);
    background: #fff;
}

.about__copy h2 { font-size: clamp(1.9rem, 3.6vw, 3.25rem); }
.about__copy p { margin-top: 1.3rem; max-width: 38em; color: var(--rdw-ink-2); }
.about__ways { list-style: none; padding: 0; margin: 2.2rem 0 0; max-width: 38em; }
.about__ways li { padding: 1rem 0; border-top: 1px solid var(--rdw-paper-border-2); color: var(--rdw-ink-2); }
.about__ways strong { color: var(--rdw-ink); font-family: var(--rdw-font-heading); }
.textlink { font-weight: 600; text-decoration-color: var(--rdw-gold); text-decoration-thickness: 2px; text-underline-offset: 4px; }

/* ── Contact (black) ─────────────────────────────────────────────────── */
.contact { background: #000; color: var(--rdw-text); min-height: 92vh; display: grid; align-items: center; padding: clamp(5rem, 14vh, 9rem) var(--pad); }
.contact { position: relative; overflow: clip; }
.contact__bg {
    position: absolute; inset: -12% 0; background: url(../media/bg-bracelet.webp) 70% 50% / cover no-repeat; opacity: .3;
    -webkit-mask-image: linear-gradient(90deg, transparent 5%, #000 70%); mask-image: linear-gradient(90deg, transparent 5%, #000 70%);
    translate: 0 var(--par-y, 0);
}
.contact__copy { max-width: 36rem; position: relative; z-index: 1; }
.contact h2 { font-size: clamp(2.4rem, 5.2vw, 4.75rem); color: var(--rdw-text-strong); }
.contact__copy > p { margin-top: 1.4rem; }
.contact__form { margin-top: 2rem; }
.contact__form summary { list-style: none; }
.contact__form summary::-webkit-details-marker { display: none; }
.contact__form form { display: grid; gap: 1rem; margin-top: 1.6rem; }
.contact__form label { display: grid; gap: .35rem; font-size: .9rem; color: var(--rdw-text-2); }
.contact__form input, .contact__form textarea {
    font: inherit; color: var(--rdw-text-strong); background: var(--rdw-bg-elevated);
    border: 1px solid var(--rdw-border-hover); border-radius: var(--rdw-radius-md); padding: .7rem .8rem;
}
.contact__form button { justify-self: start; }
.contact__meta { color: var(--rdw-text-2); font-size: .93rem; }
.contact__meta a { color: var(--rdw-gold); }

.foot {
    background: #000; color: var(--rdw-text-2); font-size: .9rem;
    display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between;
    padding: 1.6rem var(--pad); border-top: 1px solid var(--rdw-border-hover);
}
.foot nav { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--rdw-gold); }

/* ==========================================================================
   Scroll-driven layer. Only active with html.js-scroll.
   ========================================================================== */
.js-scroll .stage { position: fixed; left: 0; top: 0; z-index: 20; width: 0; height: 0; perspective: none; }
.js-scroll .rig { position: absolute; left: calc(var(--s) * -.5); top: calc(var(--s) * -.5); will-change: transform; }

.js-scroll .process { height: 340vh; }
.js-scroll .process__pin { position: sticky; top: 0; height: 100vh; display: grid; align-items: center; padding-block: 0; }
.js-scroll .steps { display: block; position: relative; min-height: 13rem; }
.js-scroll .step { position: absolute; inset: 0 0 auto 0; opacity: 0; transform: translateY(14px); transition: opacity .35s, transform .35s var(--rdw-ease); }
.js-scroll .step.is-on { opacity: 1; transform: none; }

@media (min-width: 1100px) {
    /* The margin the docked cube lives in */
}

/* ── Small screens ───────────────────────────────────────────────────── */
@media (max-width: 860px) {
    .bar { gap: 1rem; }
    .bar__nav { gap: 1rem; }
    .bar__nav a { font-size: .85rem; }
    .hero { grid-template-columns: 1fr; align-content: start; }
    .hero__stage { min-height: calc(var(--s) * 1.7); }
    .prod, .about, .skill { grid-template-columns: 1fr; }
    .skill > div { grid-column: 1; grid-row: auto; }
    .hero__ghost { width: 150vw; right: -50vw; top: 38%; }
    :root { --s: clamp(150px, 44vw, 220px); }
    .prod__show { min-height: 0; }
    .js-scroll .process__pin { align-items: end; padding-bottom: 7vh; }
    .process__mat { -webkit-mask-image: radial-gradient(ellipse at 50% 32%, #000 0, transparent 70%); mask-image: radial-gradient(ellipse at 50% 32%, #000 0, transparent 70%); }
    .made { min-height: 70vh; }
}
@media (max-width: 480px) {
    .bar__nav a:first-child { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}

@media (max-width: 860px) {
    .bar { gap: .9rem; }
    .bar__nav { gap: .9rem; }
}