@font-face {
  font-family: Archivo;
  src: url("fonts/archivo-var.woff2") format("woff2");
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
}
@font-face {
  font-family: "Chivo Mono";
  src: url("fonts/chivo-mono-var.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --ink: #0b0a09;
  --surface: #151310;
  --paper: #ece7dd;
  --copper: #e08d4f;
  --copper-bright: #f2a868;
  --copper-deep: #75451f;
  --sage: #a8c4bd;
  --muted: #b1aaa0;
  --line: #39352f;
  --paper-ink: #24221f;
  --paper-muted: #5b564f;
  --paper-line: #c9c2b7;
  --sans: Archivo, "Helvetica Neue", Arial, sans-serif;
  --mono: "Chivo Mono", Consolas, monospace;
  --gutter: clamp(1.25rem, 5.2vw, 5.5rem);
  --content: 1480px;
  --header-height: 88px;
  --section-space: clamp(88px, 11vw, 176px);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { background: var(--ink); scroll-padding-top: var(--header-height); scrollbar-color: #4a4339 var(--ink); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ink); color: var(--paper); font: 400 1rem/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
body, input, textarea, button { font-family: var(--sans); }
h1, h2, h3, h4, p, figure { margin: 0; }
h1, h2, h3, h4 { font-weight: 540; text-wrap: balance; }
h1, h2, h3 { letter-spacing: -.035em; line-height: 1.04; }
p { text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; border-radius: 3px; }
button { cursor: pointer; color: inherit; }
button, a, input, textarea, summary { -webkit-tap-highlight-color: transparent; }
button:disabled { cursor: default; opacity: .5; }
img, svg, canvas { display: block; max-width: 100%; }
img { height: auto; }
[hidden] { display: none !important; }
::selection { color: var(--ink); background: var(--copper); }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 5px; }
.paper :focus-visible { outline-color: var(--copper-deep); }
main:focus { outline: none; }
.wrap { width: min(100% - var(--gutter) * 2, var(--content)); margin-inline: auto; }
.icon { width: 21px; height: 21px; flex: 0 0 21px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.skip-link { position: fixed; top: 12px; left: 16px; z-index: 40; padding: 12px 20px; background: var(--copper); color: var(--ink); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 30; background: var(--ink); border-bottom: 1px solid var(--line); transition: background-color .5s var(--ease-out), border-color .5s var(--ease-out), opacity .9s var(--ease-out) .5s; }
.site-header.is-top:not(.menu-open) { background: transparent; border-bottom-color: transparent; }
.header-inner { min-height: var(--header-height); display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; min-height: 44px; white-space: nowrap; font-size: 22px; font-weight: 640; font-stretch: 108%; letter-spacing: .12em; }
.brand-star { color: var(--copper); align-self: flex-start; font-size: 29px; line-height: 1; margin: 5px 0 0 2px; letter-spacing: 0; }
.brand-labs { font-size: 13px; font-weight: 400; font-stretch: 100%; letter-spacing: .01em; margin-left: 12px; color: var(--muted); }
.main-nav { display: flex; align-items: center; gap: clamp(22px, 2.8vw, 46px); font-size: 14px; }
.main-nav > a { position: relative; display: inline-flex; align-items: center; gap: 22px; min-height: 44px; transition: color .2s; }
.main-nav > a:not(.nav-contact)::after { content: ""; position: absolute; left: 0; right: 0; bottom: 8px; height: 1px; background: var(--copper); transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease-out); }
.main-nav > a:hover, .main-nav > a[aria-current="location"] { color: var(--copper); }
.main-nav > a:hover::after, .main-nav > a[aria-current="location"]::after { transform: scaleX(1); transform-origin: left; }
.main-nav .nav-contact { margin-left: 14px; border: 1px solid #65513f; padding: 8px 19px; transition: background-color .2s, border-color .2s, color .2s; }
.nav-contact:hover { background: var(--copper); border-color: var(--copper); color: var(--ink); }
.nav-contact .icon { transition: transform .35s var(--ease-out); }
.nav-contact:hover .icon { transform: translateX(4px); }
.menu-toggle { display: none; align-items: center; justify-content: center; gap: 12px; padding: 8px 12px; min-height: 44px; background: none; border: 1px solid var(--line); font-size: 14px; }
.page-progress { position: fixed; inset: 0 0 auto 0; z-index: 35; height: 2px; background: var(--copper); transform: scaleX(var(--page, 0)); transform-origin: left; pointer-events: none; }

/* Shared controls */
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 28px; min-height: 52px; padding: 13px 24px; border: 1px solid transparent; border-radius: 3px; font-size: 14px; font-weight: 580; line-height: 1.45; transition: background-color .2s, border-color .2s; }
.button .icon, .text-link .icon { transition: transform .35s var(--ease-out); }
.button:hover .icon, .text-link:hover .icon { transform: translateX(5px); }
.button-primary { background: var(--copper); color: var(--ink); }
.button-primary:hover { background: var(--copper-bright); }
.button-secondary { border-color: #655c51; background: none; }
.button-secondary:hover { background: #25211b; }
.text-link { display: inline-flex; align-items: center; gap: 16px; width: fit-content; min-height: 44px; color: var(--sage); font-size: 15px; line-height: 1.5; }
.text-link:hover { text-decoration: underline; text-underline-offset: 6px; }
.paper .text-link { color: var(--copper-deep); font-weight: 530; }

/* Hero */
.hero { position: relative; z-index: 0; isolation: isolate; display: grid; grid-template-rows: 1fr auto; min-height: 100svh; margin-top: calc((var(--header-height) + 1px) * -1); padding-top: calc(var(--header-height) + 1px); background: var(--ink); overflow: clip; }
.hero-field { position: absolute; inset: 0; z-index: -1; }
.hero-poster, .hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; transition: opacity 1.4s var(--ease-out); }
.hero-poster { object-fit: cover; object-position: 74% 40%; }
.hero-canvas { opacity: 0; }
.field-live .hero-canvas { opacity: 1; }
.field-settled .hero-poster { visibility: hidden; }
.hero-field::after { content: ""; position: absolute; inset: 0; background:
  linear-gradient(to top, rgb(11 10 9 / .94) 0%, rgb(11 10 9 / .7) 26%, rgb(11 10 9 / 0) 60%),
  linear-gradient(to right, rgb(11 10 9 / .78) 0%, rgb(11 10 9 / 0) 58%),
  linear-gradient(to bottom, rgb(11 10 9 / .74) 0%, rgb(11 10 9 / 0) 24%); }
/* The copy drifts as the next section covers it, but never fades: a reader can stop at any point. */
.hero-body { align-self: end; padding-block: 32px clamp(24px, 4.2vh, 48px); transform: translate3d(0, calc(var(--hp, 0) * -7vh), 0); }
.hero-label { color: var(--sage); font-size: 14px; margin-bottom: clamp(16px, 2.6vh, 28px); transition: opacity .9s var(--ease-out) .15s; }
.hero h1 { font-size: clamp(2.5rem, 12.2vw, 4.4rem); font-stretch: 106%; font-weight: 600; line-height: .96; letter-spacing: -.045em; }
.ln { display: block; overflow: clip; padding-bottom: .14em; margin-bottom: -.14em; }
.ln-in { display: block; transition: transform 1.25s var(--ease-out); }
.ln:nth-child(2) > .ln-in { transition-delay: .09s; }
.ln:nth-child(3) > .ln-in { transition-delay: .18s; }
.ln:nth-child(4) > .ln-in { transition-delay: .27s; }
.ln-accent, .accent { color: var(--copper); }
.hero-lead { display: grid; gap: 24px; margin-top: clamp(22px, 3.4vh, 40px); transition: opacity 1s var(--ease-out) .45s, transform 1.2s var(--ease-out) .45s; }
.hero-lead > p { max-width: 40ch; font-size: clamp(1rem, 1.25vw, 1.2rem); line-height: 1.55; color: #d6cfc5; }
.hero-foot { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid rgb(236 231 221 / .16); padding-block: 14px 16px; min-height: 60px; transition: opacity 1s var(--ease-out) .7s; }
.hero-foundations { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 28px; margin: 0; padding: 0; color: #cfc8be; font-size: 13px; }
.hero-foundations li { display: flex; align-items: center; gap: 10px; }
.hero-foundations li::before { content: ""; width: 3px; height: 3px; background: var(--copper); }
.motion-toggle { flex-shrink: 0; padding: 8px 0; min-height: 44px; background: none; border: none; color: var(--muted); text-decoration: underline; text-underline-offset: 4px; font-size: 12px; }
.motion-toggle:hover { color: var(--paper); }
.opening .hero .ln-in { transform: translate3d(0, 112%, 0); }
.opening .hero-label, .opening .hero-foot, .opening .hero-poster, .field-pending .hero-poster, .opening .site-header { opacity: 0; }
.opening .hero-lead { opacity: 0; transform: translate3d(0, 18px, 0); }
.hero-pinned .hero { position: sticky; top: 0; }

/* Sections */
main > section:not(.hero), .site-footer { position: relative; z-index: 1; }
.section { padding-block: var(--section-space); }
.paper { background: var(--paper); color: var(--paper-ink); color-scheme: light; }
.ink { background: var(--ink); }
.title { font-size: clamp(2.5rem, 6.3vw, 6.4rem); font-stretch: 112%; font-weight: 560; line-height: .98; letter-spacing: -.04em; }
.section-head { display: grid; gap: 28px; }
.statement { max-width: 25ch; font-size: clamp(1.25rem, 1.9vw, 1.75rem); font-weight: 430; line-height: 1.32; letter-spacing: -.014em; color: var(--paper-ink); }
/* The reading light never dims a word below AA contrast on ivory (.68 keeps 5:1). */
.statement .w { opacity: clamp(.68, calc((var(--p, 1) - var(--w, 0)) * 7 + .68), 1); }
/* Chapters: each act opens with its number and a rule that draws across the page. */
.chapter { position: relative; display: flex; align-items: center; gap: 14px; margin-bottom: clamp(32px, 4.5vw, 64px); padding-bottom: 14px; font: 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--sage); }
.chapter span { color: var(--copper); }
.chapter::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor; opacity: .3; }
.paper .chapter { color: var(--paper-muted); }
.paper .chapter span { color: #925428; }
.registro-head .chapter { margin-bottom: 8px; }

/* Oferta */
.paths { display: grid; margin-top: clamp(56px, 7vw, 112px); border-top: 1px solid var(--paper-line); }
.path { display: grid; align-content: start; padding-block: clamp(28px, 3.2vw, 52px) clamp(36px, 4vw, 60px); }
.path + .path { border-top: 1px solid var(--paper-line); }
.path-mark { font: 13px/1 var(--mono); color: var(--copper-deep); margin-bottom: clamp(26px, 3.6vw, 60px); }
.path h3 { font-size: clamp(2.1rem, 3.9vw, 4rem); font-stretch: 112%; font-weight: 560; margin-bottom: 22px; }
.dot { color: var(--copper); }
.paper .dot { color: #925428; }
.path > p { max-width: 46ch; color: var(--paper-muted); line-height: 1.7; }
.path .path-status { margin-top: 16px; color: var(--copper-deep); font-size: 14px; font-weight: 530; }
.feature-list { list-style: none; padding: 0; margin: 26px 0 22px; }
.feature-list li { display: flex; gap: 13px; align-items: baseline; margin-top: 9px; font-size: 15px; }
.feature-list li::before { content: ""; width: 13px; height: 6px; border-left: 1px solid #675a47; border-bottom: 1px solid #675a47; transform: translateY(-3px) rotate(-45deg); flex-shrink: 0; }

/* Alerce */
.alerce { overflow: clip; }
.alerce-grid { display: grid; gap: 40px; }
.alerce-copy { position: relative; isolation: isolate; }
.alerce-specimen { position: absolute; z-index: -1; top: 0; left: 30%; width: min(128vw, 780px); max-width: none; opacity: .42; transform: translate(-50%, -30%); -webkit-mask-image: linear-gradient(to bottom, #000 30%, transparent 78%); mask-image: linear-gradient(to bottom, #000 30%, transparent 78%); }
.alerce-name { font-size: clamp(4.4rem, 11vw, 10.5rem); font-stretch: 116%; font-weight: 600; line-height: .9; letter-spacing: -.05em; margin-bottom: clamp(22px, 3vw, 44px); }
.alerce-copy h3 { font-size: clamp(1.7rem, 2.7vw, 2.65rem); line-height: 1.14; }
.alerce-copy > p { margin-top: 22px; max-width: 40ch; color: #cbc4ba; }
.alerce-copy .alerce-status { color: var(--sage); font-size: 14px; margin-top: 26px; font-weight: 530; }
.alerce-copy .alerce-requirements { font-size: 14px; margin-top: 12px; margin-bottom: 18px; color: var(--muted); }
.product-explorer { min-width: 0; border: 1px solid #4a4339; background: rgb(11 10 9 / .72); padding: clamp(20px, 2.5vw, 38px); }
.explorer-heading h3 { font-size: clamp(1.5rem, 2.05vw, 2rem); }
.explorer-heading p { color: var(--sage); margin-top: 9px; font-size: 14px; }
.product-tabs { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 26px; }
.product-tabs button { min-height: 51px; background: none; border: 0; border-radius: 0; border-bottom: 2px solid transparent; text-align: left; padding: 10px 4px; font-size: 13px; white-space: nowrap; transition: color .2s, border-color .2s; }
.product-tabs button > span { font: 11px var(--mono); margin-right: 6px; }
.product-tabs button:hover { color: var(--copper); }
.product-tabs button[aria-selected="true"] { color: var(--copper); border-bottom-color: var(--copper); }
.product-panel { margin-top: 26px; }
.product-panel h4 { font-size: 15px; font-weight: 500; line-height: 1.5; color: var(--paper); }
.flow-list { list-style: none; padding: 0; margin: 20px 0; display: grid; gap: 22px; }
.flow-list li { position: relative; display: flex; gap: 17px; align-items: center; font-size: 14px; line-height: 1.5; }
.flow-list li + li::before { content: ""; position: absolute; left: 20px; bottom: 100%; height: 22px; border-left: 1px solid #64503d; }
.flow-symbol { width: 42px; height: 44px; border: 1px solid #615543; display: grid; place-items: center; flex-shrink: 0; color: var(--copper); font: 12px var(--mono); }
.flow-symbol svg { fill: none; stroke: currentColor; stroke-width: 1.3; stroke-linecap: round; stroke-linejoin: round; width: 24px; height: 24px; }
.flow-list small { display: block; color: var(--muted); font-size: 13px; margin-top: 3px; }
.panel-description { color: var(--muted); font-size: 14px; line-height: 1.75; max-width: 64ch; }
.explorer-footnote { color: var(--sage); border-top: 1px solid var(--line); margin-top: 24px; padding-top: 16px; font-size: 13px; }
.panel-enter .flow-list li { animation: step-in .7s var(--ease-out) both; }
.panel-enter .flow-list li:nth-child(2) { animation-delay: .07s; }
.panel-enter .flow-list li:nth-child(3) { animation-delay: .14s; }
@keyframes step-in { from { opacity: 0; transform: translate3d(14px, 0, 0); } }
.panel-enter .flow-list li + li::before { animation: draw-down .7s var(--ease-out) both; transform-origin: top; }
.panel-enter .flow-list li:nth-child(2)::before { animation-delay: .1s; }
.panel-enter .flow-list li:nth-child(3)::before { animation-delay: .17s; }
@keyframes draw-down { from { transform: scaleY(0); } }

/* Registro: the studio's own projects */
.registro { --pad: max(var(--gutter), calc((100vw - var(--content)) / 2)); padding-top: var(--section-space); background: var(--surface); }
.registro-head { display: grid; gap: 22px; padding-inline: var(--pad); }
.registro-head > p { max-width: 44ch; color: #cbc4ba; }
.registro-head .registro-key { display: flex; align-items: baseline; gap: 12px; max-width: 46ch; color: var(--sage); font-size: 13px; line-height: 1.6; }
.key-ring { flex: 0 0 11px; width: 11px; height: 11px; border: 1px solid var(--copper); border-radius: 50%; transform: translateY(1px); }
.registro-track { list-style: none; margin: clamp(48px, 7vw, 96px) 0 0; padding: 0 var(--pad); display: grid; gap: clamp(56px, 8vw, 112px); }
.plate article { display: grid; gap: 26px clamp(22px, 4vw, 64px); }
.specimen { display: none; width: 100%; aspect-ratio: 1; }
.rings-ready .specimen { display: block; }
.plate-figure { display: none; }
.rings-ready .plate-figure { display: block; max-width: min(78vw, 420px); }
.plate-kind { display: flex; gap: 14px; font: 12px/1.5 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--sage); }
.plate-kind span { color: var(--copper); }
.plate h3 { margin: 14px 0 22px; font-size: clamp(2.3rem, 5.1vw, 5.1rem); font-stretch: 116%; font-weight: 580; line-height: .96; letter-spacing: -.04em; }
.plate-long h3 { font-size: clamp(1.9rem, 3.3vw, 3.3rem); line-height: 1; }
.plate-what { max-width: 28ch; font-size: clamp(1.3rem, 1.85vw, 1.7rem); font-weight: 480; line-height: 1.24; letter-spacing: -.015em; text-wrap: balance; }
.plate-detail { max-width: 50ch; margin-top: 16px; color: #cbc4ba; font-size: 15px; }
.plate-facts { margin: 0; border-top: 1px solid var(--line); max-width: 36rem; }
.plate-facts > div { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.plate-facts dt { font: 11px/2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.plate-facts dd { margin: 0; }
.registro-controls { display: none; }
.registro-index { padding-block: clamp(72px, 9vw, 136px) var(--section-space); }
.registro-index h3 { font-size: clamp(1.6rem, 2.6vw, 2.5rem); font-stretch: 110%; margin-bottom: clamp(28px, 3.4vw, 48px); }
.index-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.index-list li { display: flex; align-items: center; gap: 20px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.index-body { flex: 1; min-width: 0; display: grid; gap: 6px 28px; }
.index-block + .index-block { margin-top: clamp(56px, 7vw, 104px); }
.index-list h4 { font-size: clamp(1.35rem, 1.9vw, 1.75rem); font-stretch: 112%; letter-spacing: -.025em; line-height: 1.15; }
.index-what { color: #cbc4ba; font-size: 15px; max-width: 52ch; }
.index-state { color: var(--sage); font-size: 13px; }
.specimen-mini { flex: 0 0 52px; width: 52px; align-self: flex-start; }
.registro-next { margin-top: clamp(32px, 4vw, 56px); font-size: clamp(1rem, 1.3vw, 1.2rem); }
/* Published apps: each one opens in a new tab; a link appears only for a destination Diego named. */
.launch h3 { margin-bottom: 14px; }
.launch-intro { color: #cbc4ba; max-width: 46ch; margin-bottom: clamp(28px, 3.4vw, 48px); }
.launch-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.launch-list li { border-bottom: 1px solid var(--line); }
.launch-item { display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto 1fr auto; gap: 8px 20px; height: 100%; padding: 22px 0 26px; }
.rings-ready .launch-item { grid-template-columns: 52px minmax(0, 1fr); }
.launch-item > .specimen { grid-row: 1 / span 4; align-self: start; }
.launch-kind { display: flex; gap: 12px; font: 12px/1.5 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--sage); }
.launch-kind span { color: var(--copper); }
.launch-list h4 { font-size: clamp(1.5rem, 2.1vw, 2rem); font-stretch: 112%; letter-spacing: -.03em; line-height: 1.1; }
.launch-item .index-what { max-width: 46ch; }
.launch-link { margin-top: 10px; align-self: end; }
.text-link.launch-link:hover .icon { transform: translate(3px, -3px); }

/* Método */
.method-steps { list-style: none; padding: 0; margin: clamp(48px, 6vw, 96px) 0 clamp(56px, 7vw, 104px); display: grid; gap: 28px; }
.method-steps li { display: grid; padding-top: 24px; border-top: 1px solid var(--paper-line); }
.step-number { color: #91552c; font: 300 clamp(2.6rem, 3.8vw, 3.8rem)/1 var(--sans); font-stretch: 112%; letter-spacing: -.04em; margin-bottom: 18px; }
.method-steps h3 { font-size: clamp(1.6rem, 2.2vw, 2.1rem); font-stretch: 110%; margin-bottom: 14px; }
.method-steps p { font-size: 15px; color: var(--paper-muted); line-height: 1.75; margin-bottom: 14px; max-width: 46ch; }
.step-output { font-size: 13px; color: #625444; }
.principles { display: grid; gap: 32px; padding-top: clamp(40px, 5vw, 64px); border-top: 1px solid var(--paper-line); }
.record-image { background: var(--ink); display: flex; flex-direction: column; overflow: hidden; min-width: 0; }
.record-image img { width: 100%; min-height: 200px; max-height: 260px; flex: 1; object-fit: cover; transform: scale(calc(1.14 - var(--p, 1) * .14)); }
.record-image figcaption { font-size: 12px; color: var(--sage); padding: 16px 20px; }
.principles-copy h3 { font-size: clamp(1.8rem, 2.6vw, 2.5rem); font-stretch: 108%; margin-bottom: 24px; }
/* The four principles stand open: a business reader sees every commitment without a click. */
.principle-list { list-style: none; margin: 0; padding: 0; }
.principle-list li { position: relative; display: grid; grid-template-columns: 2.4rem minmax(0, 1fr); column-gap: 14px; padding: 20px 0 22px; border-top: 1px solid var(--paper-line); }
.principle-n { font: 12px/1.9 var(--mono); letter-spacing: .08em; color: #91552c; }
.principle-list h4 { font-size: 16px; font-weight: 540; line-height: 1.45; letter-spacing: -.01em; }
.principle-list p { grid-column: 2; margin-top: 8px; font-size: 14px; color: var(--paper-muted); max-width: 48ch; }

/* Contacto */
.contact-grid { display: grid; gap: 44px; }
.contact-copy > p { color: var(--muted); margin-top: 26px; max-width: 45ch; }
.contact-next { margin-top: 32px; border-top: 1px solid var(--line); padding-top: 24px; max-width: 45ch; }
.contact-next h3 { font-size: 18px; letter-spacing: -.015em; }
.contact-next p { color: var(--muted); margin-top: 12px; font-size: 14px; }
.email-link { display: inline-flex; align-items: center; gap: 14px; font-size: clamp(1.05rem, 1.7vw, 1.45rem); color: var(--copper); min-height: 48px; margin-top: 20px; overflow-wrap: anywhere; }
.email-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.email-link .icon { transition: transform .35s var(--ease-out); }
.email-link:hover .icon { transform: translate(3px, -3px); }
.contact-copy .contact-note { font-size: 12px; margin-top: 22px; }
.brief-builder { min-width: 0; }
.brief-intro { color: var(--muted); font-size: 14px; margin-bottom: 24px; max-width: 54ch; }
.interest-fieldset { border: none; margin: 0 0 25px; padding: 0; }
.interest-fieldset legend { font-size: 14px; padding: 0; margin-bottom: 13px; }
.interest-options { display: flex; flex-wrap: wrap; gap: 8px; }
.interest-options label { position: relative; cursor: pointer; flex: 1 1 auto; }
.interest-options input { position: absolute; inset: 0; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.interest-options span { height: 100%; display: flex; align-items: center; justify-content: center; border: 1px solid #685e51; padding: 12px 10px; min-height: 46px; font-size: 13px; pointer-events: none; transition: border-color .2s, color .2s, background-color .2s; }
.interest-options input:checked + span { border-color: var(--copper); color: var(--copper); background: #231a11; }
.interest-options input:focus-visible + span { outline: 2px solid var(--copper); outline-offset: 4px; }
.interest-options label:hover span { border-color: var(--copper); }
.form-field { margin-bottom: 22px; }
.form-field > label { display: block; font-size: 14px; margin-bottom: 10px; }
.form-field label > span { color: var(--muted); }
.form-field > input, .form-field > textarea { width: 100%; border: 1px solid #685e51; background: #100e0c; color: var(--paper); padding: 13px 14px; font-size: 16px; line-height: 1.6; transition: border-color .2s; }
.form-field > input { min-height: 49px; }
.form-field > textarea { display: block; resize: vertical; min-height: 128px; max-height: 480px; }
.form-field > input:hover, .form-field > textarea:hover { border-color: #a58b6c; }
.field-help { font-size: 13px; line-height: 1.6; color: var(--muted); margin-top: 9px; }
.field-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 16px; color: var(--muted); font-size: 12px; margin-top: 8px; }
.field-error { color: #ffb2a4; font-size: 14px; margin-top: 10px; }
.form-field > [aria-invalid="true"] { border-color: #ffb2a4; }
.brief-submit { width: 100%; justify-content: space-between; }
.form-disclosure { margin-top: 15px; color: var(--muted); font-size: 13px; line-height: 1.7; max-width: 67ch; }
.form-disclosure a { text-decoration: underline; text-underline-offset: 3px; }
.brief-result { scroll-margin-top: 28px; }
.brief-result h3 { font-size: clamp(1.9rem, 2.6vw, 2.4rem); margin-bottom: 17px; }
.brief-result > p:not(.feedback, .form-disclosure) { color: var(--muted); font-size: 14px; }
.draft-envelope { margin: 22px 0 0; font-size: 14px; }
.draft-envelope > div { display: grid; grid-template-columns: 50px minmax(0, 1fr); gap: 12px; margin-top: 6px; }
.draft-envelope dt { color: var(--muted); }
.draft-envelope dd { margin: 0; overflow-wrap: anywhere; }
.draft-envelope a, .email-fallback a { color: var(--sage); text-decoration: underline; text-underline-offset: 3px; }
.email-fallback { padding-block: 12px; }
.brief-preview { margin: 22px 0 14px; padding: 20px; max-height: 360px; overflow: auto; white-space: pre-wrap; overflow-wrap: anywhere; border: 1px solid var(--line); background: var(--surface); color: var(--paper); font: 14px/1.8 var(--sans); }
.result-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.result-utilities { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; margin-top: 15px; }
.text-button { background: none; border: 0; padding: 8px 0; min-height: 44px; color: var(--muted); font-size: 13px; text-decoration: underline; text-underline-offset: 4px; }
.text-button:hover { color: var(--paper); }
.feedback { font-size: 14px; color: var(--sage); min-height: 22px; margin-top: 4px; }
.no-script-message { border: 1px solid var(--line); padding: 30px; color: var(--muted); }
.no-script-message a { color: var(--copper); text-decoration: underline; }

/* Footer */
.site-footer { background: var(--ink); overflow: clip; }
.footer-grid { border-top: 1px solid var(--line); padding-block: clamp(40px, 5vw, 72px) clamp(36px, 4.5vw, 64px); display: grid; gap: 36px 32px; }
.site-footer .brand { font-size: 16px; }
.site-footer .brand-star { font-size: 22px; margin-top: 7px; }
.footer-brand p { margin-top: 16px; max-width: 30ch; font-size: 14px; color: var(--muted); }
.footer-col { display: grid; align-content: start; justify-items: start; gap: 6px; font-size: 14px; }
.footer-col p { font-size: 14px; color: var(--muted); }
.footer-col .footer-label { margin-bottom: 8px; font: 11px/1.6 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--sage); }
.footer-col a { display: inline-flex; align-items: center; min-height: 32px; transition: color .2s; }
.footer-col a:hover { color: var(--copper); }
.footer-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 24px; border-top: 1px solid var(--line); padding-block: 18px 4px; }
.footer-base p { font-size: 12px; color: var(--muted); }
/* Document pages keep the one-line footer. */
.footer-inner { border-top: 1px solid var(--line); padding-block: 22px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 4px 25px; }
.site-footer nav:not(.footer-col) { display: flex; gap: 22px; font-size: 13px; }
.site-footer nav:not(.footer-col) a { display: inline-flex; align-items: center; min-height: 44px; }
.site-footer nav:not(.footer-col) a:hover { color: var(--copper); }
.site-footer .footer-mark { margin: clamp(8px, 2vw, 28px) 0 -.19em; padding-inline: var(--gutter); font-size: calc(var(--mark-fit, 13.4) * 1vw); font-stretch: 125%; font-weight: 700; line-height: .8; letter-spacing: -.045em; white-space: nowrap; color: #1c1915; transform: translate3d(0, calc((1 - var(--p, 1)) * 34%), 0); }
.site-footer .footer-mark span { color: #4b3423; letter-spacing: 0; }

/* Document pages */
.document-main { padding-block: 40px 65px; min-height: calc(100svh - 200px); max-width: 760px; }
.document-main h1 { font-size: clamp(2.6rem, 5vw, 4rem); font-stretch: 110%; margin-block: 32px; }
.document-main h2 { font-size: 23px; margin: 36px 0 13px; }
.document-main p, .document-main li { color: var(--muted); line-height: 1.85; }
.document-main p + p { margin-top: 16px; }
.document-main a:not(.button, .text-link) { color: var(--copper); text-decoration: underline; text-underline-offset: 4px; }
.document-main .actions { margin-top: 30px; }
.document-date { font-size: 12px; }

/* Motion layer: applied only once the motion module is running */
[data-reveal] { transition: opacity .9s var(--ease-out), transform 1.1s var(--ease-out); transition-delay: calc(var(--i, 0) * 80ms); }
.motion [data-reveal="rise"]:not(.is-in) { opacity: 0; transform: translate3d(0, 30px, 0); }
.motion [data-reveal="lines"]:not(.is-in) .ln-in { transform: translate3d(0, 112%, 0); }
.motion [data-reveal="specimen"]:not(.is-in) { opacity: 0; }
.motion [data-reveal="frame"] img, .calm [data-reveal="frame"] img { transition: clip-path 1.4s var(--ease-out); }
.motion [data-reveal="frame"]:not(.is-in) img { clip-path: inset(0 0 100% 0); }
.motion [data-reveal="frame"].is-in img { clip-path: inset(0); }
.calm [data-reveal]:not(.is-in) { opacity: 0; }
.calm [data-reveal] { transition: opacity .5s linear; }
.calm .ln-in, .calm .record-image img, .calm .footer-mark, .calm .hero-body { transform: none; }
.motion .paths, .motion .method-steps li, .motion .principles, .motion .principle-list li { border-top-color: transparent; }
.motion .paths::before, .motion .method-steps li::before, .motion .principles::before, .motion .principle-list li::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 1px; background: var(--paper-line); transform: scaleX(0); transform-origin: left; transition: transform 1.5s var(--ease-out); transition-delay: calc(var(--i, 0) * 80ms); }
.motion .paths, .motion .method-steps li, .motion .principles, .motion .principle-list li { position: relative; }
.motion .paths.is-in::before, .motion .method-steps li.is-in::before, .motion .principles.is-in::before, .motion .principle-list li.is-in::before { transform: scaleX(1); }
.motion .chapter::after { transform: scaleX(0); transform-origin: left; transition: transform 1.6s var(--ease-out) .1s; }
.motion .chapter.is-in::after { transform: scaleX(1); }
/* A slow dolly on the Alerce rings as the section passes; the reveal transition must not smooth it. */
.motion .alerce-specimen { transition: opacity .9s var(--ease-out); transform: translate(-50%, -30%) scale(calc(.88 + var(--p, 1) * .16)); }

@media (min-width: 861px) {
  .hero h1 { font-size: clamp(4.4rem, min(9vw, 15.6svh), 10rem); font-stretch: 118%; line-height: .92; }
  .hero-lead { grid-template-columns: minmax(0, 36rem) auto; justify-content: space-between; align-items: end; }
  .section-head { grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); align-items: end; gap: clamp(40px, 7vw, 128px); }
  .paths { grid-template-columns: 1fr 1fr; }
  .path { padding-right: clamp(32px, 5vw, 88px); }
  .path + .path { border-top: 0; border-left: 1px solid var(--paper-line); padding-left: clamp(32px, 5vw, 88px); padding-right: 0; }
  .alerce-grid { grid-template-columns: .9fr 1.1fr; gap: clamp(40px, 7vw, 106px); align-items: center; }
  .alerce-specimen { width: min(58vw, 860px); left: 26%; }
  .registro-head { grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); align-items: end; column-gap: clamp(40px, 7vw, 128px); }
  .registro-head .chapter { grid-column: 1 / -1; }
  .registro-head .title { grid-row: span 2; }
  .rings-ready .plate article { grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); align-items: center; }
  .rings-ready .plate-figure { grid-row: 1 / span 2; max-width: none; }
  .rings-ready .plate-body { align-self: end; }
  .rings-ready .plate-facts { grid-column: 2; align-self: start; }
  .index-body { grid-template-columns: minmax(11rem, .7fr) minmax(0, 1.4fr) minmax(0, 1fr); align-items: center; }
  .specimen-mini { align-self: center; }
  .launch-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: clamp(28px, 4vw, 64px); border-top: 0; }
  .launch-list li { border-top: 1px solid var(--line); border-bottom: 0; }
  .launch-item, .rings-ready .launch-item { grid-template-columns: minmax(0, 1fr); row-gap: 10px; padding: 26px 0 0; }
  .rings-ready .launch-item { grid-template-rows: auto auto auto 1fr auto; }
  .launch-item > .specimen { grid-row: auto; width: 72px; margin-bottom: 8px; align-self: start; }
  .launch-link { margin-top: 14px; }
  .method-steps { grid-template-columns: repeat(3, 1fr); gap: 0 clamp(28px, 4vw, 64px); }
  .method-steps li { display: flex; flex-direction: column; }
  .step-number { padding: 0; margin-bottom: 22px; }
  .method-steps p { margin-bottom: 25px; }
  .step-output { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--paper-line); }
  .principles { grid-template-columns: 1fr 1fr; gap: clamp(40px, 5vw, 80px); align-items: stretch; }
  .record-image img { min-height: 260px; max-height: none; }
  .record-image figcaption { padding: 21px 25px; }
  .contact-grid { grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 108px); }
  .footer-grid { grid-template-columns: minmax(0, 1.5fr) minmax(0, .75fr) minmax(0, .75fr); gap: 40px clamp(32px, 5vw, 96px); }
  .document-main { padding-block: clamp(60px, 8vw, 110px); }

  /* Pinned horizontal sequence, promoted by the motion module on wide fine-pointer screens */
  .registro.is-pinned { padding-top: 0; }
  .is-pinned .registro-scroll { height: var(--registro-height, auto); }
  .is-pinned .registro-stage { position: sticky; top: 0; height: 100svh; display: flex; align-items: center; overflow: clip; padding-top: var(--header-height); }
  .is-pinned .registro-rail { flex: none; width: max-content; display: flex; align-items: center; gap: clamp(64px, 8vw, 160px); padding-inline: var(--pad); transform: translate3d(calc(var(--rail-x, 0) * -1px), 0, 0); will-change: transform; }
  .is-pinned .registro-head { flex: 0 0 min(34rem, 42vw); display: grid; grid-template-columns: 1fr; gap: 22px; padding: 0; }
  .is-pinned .registro-head .title { grid-row: auto; }
  .is-pinned .registro-track { display: flex; gap: clamp(64px, 8vw, 160px); margin: 0; padding: 0; }
  .is-pinned .plate { flex: 0 0 min(74rem, 84vw); }
  /* The fact sheet sits under its specimen, and the specimen yields height to it, so a plate fits the frame by construction. */
  .is-pinned .plate article { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 22px clamp(32px, 4.5vw, 88px); }
  .is-pinned .plate-figure { grid-area: 1 / 1; }
  .is-pinned .plate-facts { grid-area: 2 / 1; max-width: none; }
  .is-pinned .plate-body { grid-area: 1 / 2 / span 2; align-self: center; }
  .is-pinned .plate-figure .specimen { width: min(100%, calc(100svh - var(--header-height) - 326px)); margin-inline: auto; transform: translate3d(calc(var(--px, 0) * 7vw), 0, 0); }
  .is-pinned .plate h3 { transform: translate3d(calc(var(--px, 0) * -2.4vw), 0, 0); }
  .is-pinned .plate h3 { font-size: clamp(2.3rem, min(5.1vw, 9svh), 5.1rem); }
  .is-pinned .plate-long h3 { font-size: clamp(1.9rem, min(3.3vw, 6svh), 3.3rem); }
  .is-pinned .registro-controls { position: absolute; right: var(--pad); bottom: clamp(18px, 4svh, 40px); display: flex; align-items: center; gap: 14px; }
  .registro-step { display: grid; place-items: center; width: 46px; height: 46px; background: none; border: 1px solid #655c51; transition: background-color .2s, border-color .2s, color .2s; }
  .registro-step:hover:not([aria-disabled="true"]) { background: var(--copper); border-color: var(--copper); color: var(--ink); }
  .registro-step[aria-disabled="true"] { opacity: .45; cursor: default; }
  .registro-count { min-width: 4.5rem; text-align: center; font: 13px var(--mono); color: var(--muted); }
  .registro-count .registro-current { color: var(--paper); }
  /* The meter follows the rail: how far along the sequence the reader is. */
  .registro-meter { position: relative; width: clamp(72px, 9vw, 140px); height: 1px; margin-inline: 4px; background: #4a4339; }
  .registro-meter::before { content: ""; position: absolute; inset: -1px 0; background: var(--copper); transform: scaleX(var(--seq, 0)); transform-origin: left; }
  .is-pinned .registro-index { padding-top: clamp(40px, 6vw, 88px); }
}
@media (min-width: 1650px) { .hero-lead > p { font-size: 1.25rem; } }
@media (max-width: 1050px) {
  :root { --gutter: 40px; }
  .main-nav { gap: 20px; }
  .main-nav .nav-contact { margin-left: 0; gap: 14px; }
}
@media (max-width: 860px) {
  :root { --header-height: 72px; --gutter: 24px; }
  .site-header:not(.nav-enhanced) { position: static; }
  .brand { font-size: 20px; }
  .brand-labs { font-size: 12px; margin-left: 8px; }
  .brand-star { font-size: 27px; }
  .header-inner { flex-wrap: wrap; gap: 0; }
  .header-inner > .brand, .header-inner > .menu-toggle { margin-block: 14px; }
  .main-nav { width: 100%; flex-wrap: wrap; gap: 10px 22px; padding: 8px 0 18px; }
  .main-nav .nav-contact { padding: 6px 13px; gap: 12px; }
  .nav-enhanced .menu-toggle { display: inline-flex; }
  .nav-enhanced .main-nav { display: none; }
  .nav-enhanced .main-nav.is-open { display: flex; border-top: 1px solid var(--line); }
  .hero-field { inset: -26% 0 0 0; }
  .hero-field::after { top: 20.6%; }
  .hero-poster { object-position: 77% 40%; }
  .hero-field::after { background:
    linear-gradient(to top, rgb(11 10 9 / .96) 0%, rgb(11 10 9 / .8) 38%, rgb(11 10 9 / 0) 74%),
    linear-gradient(to bottom, rgb(11 10 9 / .8) 0%, rgb(11 10 9 / 0) 20%); }
  .hero-label { font-size: 13px; }
  .button { min-height: 50px; padding-inline: 18px; gap: 20px; }
  .text-link { font-size: 14px; gap: 12px; }
  .hero-foundations { font-size: 12px; gap: 4px 18px; }
  .product-explorer { padding: 22px; }
  .product-tabs { gap: 8px; }
  .product-tabs button { font-size: 12px; }
  .product-tabs button > span { font-size: 10px; margin-right: 3px; }
  .flow-list li { font-size: 13px; gap: 14px; }
}
@media (max-width: 380px) {
  :root { --gutter: 20px; }
  .actions { gap: 12px 18px; }
  .button { gap: 16px; padding-inline: 15px; }
  .product-explorer { padding-inline: 16px; }
  .product-tabs { gap: 3px; }
  .interest-options span { padding-inline: 7px; font-size: 12px; }
  .email-link { font-size: 16px; }
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-property: opacity, color, background-color, border-color !important; transition-duration: .2s !important; transition-delay: 0s !important; }
  .motion-toggle { display: none; }
}
@media (forced-colors: active) {
  .button, .interest-options span, .flow-symbol, .registro-step { border: 1px solid ButtonText; }
  .interest-options input:checked + span, .product-tabs button[aria-selected="true"] { outline: 2px solid Highlight; }
  .page-progress { background: Highlight; }
}
@media print {
  :root { --gutter: 20px; }
  body, .paper, .ink, .registro { background: white; color: black; }
  .site-header { position: static; }
  .hero { min-height: auto; margin-top: 0; padding-top: 0; position: static; }
  .main-nav, .menu-toggle, .motion-toggle, .hero-field, .specimen, .plate-figure, .registro-controls, .brief-builder, .site-footer, .page-progress { display: none !important; }
  .alerce-grid, .contact-grid { display: block; }
  .section, .registro { padding-block: 30px; }
  p, .hero-lead > p, .alerce-copy > p, .contact-copy > p, .plate-detail, .index-what { color: #333; }
  .hero h1 { font-size: 40px; }
  .product-explorer { margin-top: 25px; break-inside: avoid; }
  .product-tabs { display: none; }
  .product-panel[hidden] { display: block !important; }
  [data-reveal], .ln-in, .hero-body, .hero-foot, .hero-label, .hero-lead, .site-header, .footer-mark, .record-image img { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .statement .w { opacity: 1 !important; }
  .registro p, .registro dt, .registro dd, .registro h2, .registro h3, .registro h4, .registro span, .alerce-copy p, .explorer-footnote, .panel-description, .flow-list small { color: #222 !important; }
  .plate-facts, .plate-facts > div, .index-list, .index-list li, .launch-list, .launch-list li { border-color: #999 !important; }
  .launch-link::after { content: " " attr(href); font-size: 12px; color: #333; }
  .registro-scroll { height: auto !important; }
  .registro-stage { position: static !important; height: auto !important; display: block !important; overflow: visible !important; padding-top: 0 !important; }
  .registro-rail, .registro-track { display: block !important; width: auto !important; transform: none !important; padding-inline: 0 !important; }
  .registro-head, .plate { margin-bottom: 24px; }
  .plate article { display: block !important; }
}
