/* Agromax · BIO-CARBOMAX
   Retícula de 12 columnas, papel claro con sesgo verde, un solo acento: el verde del logo.
   El "suelo" de la escena 3D es ilustración, no color de interfaz. */

@font-face {
  font-family: "Bricolage";
  src: url("../fonts/bricolage-grotesque.woff2") format("woff2-variations"), url("../fonts/bricolage-grotesque.woff2") format("woff2");
  font-weight: 200 800; font-display: swap;
}
@font-face { font-family: "Plex Mono"; src: url("../fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Plex Mono"; src: url("../fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }

:root {
  --paper: #f2f3ea;
  --paper-2: #e7e9dc;
  --ink: #18201a;
  --ink-2: #4b5449;
  --line: #cfd4c3;
  --accent: #3a5a32;          /* verde del logotipo "MAX" */
  --accent-hi: #4c7442;
  --accent-soft: #dfe7d4;
  --night: #1c211b;           /* caja oscura */
  --night-2: #2a3128;
  --night-ink: #eef0e6;
  --night-ink-2: #aeb6a8;
  --night-line: #3a4337;
  --corn: #e2ad2a;            /* solo en la ilustración de mazorcas */

  --f-sans: "Bricolage", ui-sans-serif, system-ui, "Segoe UI", Roboto, sans-serif;
  --f-mono: "Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --gut: max(clamp(16px, 4.2vw, 56px), env(safe-area-inset-left, 0px));
  --gut-r: max(clamp(16px, 4.2vw, 56px), env(safe-area-inset-right, 0px));
  --maxw: 1320px;
  --nav-h: 68px;
  --r: 14px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--nav-h) + 12px); }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 clamp(16px, 0.25vw + 15px, 18px)/1.55 var(--f-sans);
  font-optical-sizing: auto; overflow-x: clip;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--paper); }
[hidden] { display: none !important; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.product :focus-visible, .box--dark :focus-visible, .foot :focus-visible { outline-color: var(--night-ink); }

.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: var(--paper); padding: 10px 14px; border-radius: 8px; font: 500 14px var(--f-mono); text-decoration: none; }
.skip:focus { top: calc(12px + env(safe-area-inset-top, 0px)); }

.wrap { max-width: var(--maxw); margin-inline: auto; padding-left: var(--gut); padding-right: var(--gut-r); }

/* ---------- Tipografía ---------- */
.h1, .h2, .h3 { font-weight: 600; letter-spacing: -0.035em; line-height: 1.02; margin: 0; text-wrap: balance; }
.h1 { font-size: clamp(2.5rem, 5.4vw, 5rem); }
.h2 { font-size: clamp(2rem, 3.8vw, 3.5rem); }
.h3 { font-size: clamp(1.25rem, 1.4vw, 1.5rem); letter-spacing: -0.02em; line-height: 1.15; }
.h1 em, .h2 em { font-style: normal; color: var(--accent); }
.lead { font-size: clamp(1.05rem, 0.6vw + 0.9rem, 1.3rem); color: var(--ink-2); max-width: 36ch; margin: 0; text-wrap: pretty; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 18px;
  font: 500 12px/1 var(--f-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent);
}
.eyebrow--inv { color: var(--night-ink-2); }
.note { font: 400 12px/1.5 var(--f-mono); color: var(--ink-2); margin: 18px 0 0; max-width: 80ch; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); position: relative; flex: none; }
.dot::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 1px solid var(--accent); animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { from { transform: scale(.5); opacity: .9; } to { transform: scale(1.8); opacity: 0; } }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px; border-radius: 999px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--paper); text-decoration: none; cursor: pointer;
  font: 500 14px/1 var(--f-mono); letter-spacing: 0.02em;
  transition: background .25s, color .25s, border-color .25s, transform .25s;
}
.btn:hover { background: var(--accent-hi); border-color: var(--accent-hi); }
.btn:active { transform: translateY(1px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { background: var(--paper-2); border-color: var(--ink-2); color: var(--ink); }
.btn--sm { min-height: 40px; padding: 0 16px; font-size: 13px; }

.ico { width: 32px; height: 32px; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.ico--sm { width: 18px; height: 18px; stroke-width: 2; }
.ico--lg { width: 40px; height: 40px; }

/* ---------- Barra superior ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50; padding-top: env(safe-area-inset-top, 0px);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent; transition: transform .45s cubic-bezier(.2,.7,.2,1), border-color .3s;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav.is-hidden { transform: translateY(-100%); }
.nav__in { max-width: var(--maxw); margin-inline: auto; padding-left: var(--gut); padding-right: var(--gut-r); height: var(--nav-h); display: flex; align-items: center; gap: 24px; }
.nav__logo { flex: none; display: block; border-radius: 6px; }
.nav__logo img { height: 34px; width: auto; }
.nav__menu { display: flex; gap: 4px; margin-left: auto; }
.nav__menu a { position: relative; padding: 8px 12px; text-decoration: none; font: 500 13px/1 var(--f-mono); color: var(--ink-2); border-radius: 999px; transition: color .2s, background .2s; }
.nav__menu a:hover { color: var(--ink); background: var(--paper-2); }
.nav__menu a.is-active { color: var(--ink); }
.nav__menu a.is-active::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 4px; height: 4px; margin-left: -2px; border-radius: 50%; background: var(--accent); }

/* ---------- Lienzo 3D ---------- */
.gl { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 2; pointer-events: none; }
.stage { position: relative; min-width: 0; }
.stage__fallback { display: none; width: 100%; height: 100%; object-fit: contain; }
.no-js .stage__fallback, .no-webgl .stage__fallback { display: block; }
.no-js .gl, .no-webgl .gl { display: none; }
main > section { position: relative; }
.wrap > *, .float, .stage__tag, .explain__label { position: relative; z-index: 3; }

/* ---------- Portada ---------- */
.hero { padding-top: calc(var(--nav-h) + env(safe-area-inset-top, 0px) + clamp(24px, 5vh, 64px)); padding-bottom: 24px; }
.hero__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; align-items: center; }
.hero__copy { grid-column: 1 / span 6; display: flex; flex-direction: column; gap: 26px; padding-block: 24px; }
.hero__copy .eyebrow { margin: 0; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__stage { grid-column: 7 / span 6; height: clamp(440px, 72vh, 700px); }
.hero__note { margin: 8px auto 0; max-width: var(--maxw); }
.hero__note::after { content: none; }

.float {
  position: absolute; display: flex; flex-direction: column; gap: 6px; max-width: 220px;
  padding: 14px 16px; border-radius: var(--r); text-decoration: none;
  background: color-mix(in srgb, var(--paper) 82%, transparent); border: 1px solid var(--line);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 18px 40px -24px rgba(24, 32, 26, .35);
  will-change: transform;
}
.float__k { display: inline-flex; align-items: center; gap: 8px; font: 500 11px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.float__t { font-size: 14px; line-height: 1.3; color: var(--ink); }
.float--a { left: -4%; top: 6%; }
.float--b { right: 0; top: 44%; }
.float--c { left: -2%; bottom: 4%; transition: border-color .2s; }
.float--c:hover { border-color: var(--accent); }
.float__ears { display: flex; align-items: center; gap: 10px; font: 500 28px/1 var(--f-mono); letter-spacing: -0.04em; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.float__ears i { width: 26px; height: 1px; background: var(--ink-2); position: relative; }
.float__ears i::after { content: ""; position: absolute; right: 0; top: -3px; border: 3.5px solid transparent; border-left: 6px solid var(--ink-2); border-right: 0; }
.float__ears .acc { color: var(--accent); }

/* ---------- Origen ---------- */
.origin { height: 520vh; border-top: 1px solid var(--line); }
.origin__pin { position: sticky; top: 0; height: 100vh; height: 100svh; display: flex; align-items: center; padding-top: calc(var(--nav-h) + env(safe-area-inset-top, 0px)); }
.origin__grid { width: 100%; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; align-items: center; }
.origin__copy { grid-column: 1 / span 5; }
.origin__copy .h2 { margin-bottom: clamp(20px, 4vh, 40px); }
.origin__stage { grid-column: 6 / span 7; height: min(76svh, 680px); }
.origin__dots { display: none; }
.stage__tag {
  position: absolute; right: 0; top: 4%; margin: 0; padding: 8px 12px; border-radius: 999px;
  font: 500 12px/1 var(--f-mono); letter-spacing: .06em; color: var(--ink-2); border: 1px solid var(--line); background: var(--paper);
  transition: opacity .4s;
}

.steps { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.step { border-bottom: 1px solid var(--line); }
.step__h { display: flex; align-items: baseline; gap: 16px; width: 100%; padding: 14px 0; background: none; border: 0; text-align: left; cursor: pointer; }
.step__n { font: 500 12px/1 var(--f-mono); color: var(--ink-2); transition: color .3s; }
.step__t { font-size: clamp(1.05rem, 1.2vw, 1.3rem); font-weight: 500; letter-spacing: -0.015em; color: var(--ink-2); transition: color .3s; }
.step.is-active .step__n { color: var(--accent); }
.step.is-active .step__t { color: var(--ink); }
.step__body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .55s cubic-bezier(.2,.7,.2,1); }
.step__in { overflow: hidden; min-height: 0; }
.step.is-active .step__body { grid-template-rows: 1fr; }
.step__body p { margin: 0; padding: 0 0 12px 34px; color: var(--ink-2); max-width: 44ch; min-height: 0; }
.step__bar { display: block; height: 2px; margin: 0 0 14px 34px; background: var(--paper-2); }
.step__bar i { display: block; height: 100%; width: 0; background: var(--accent); }
.step__body { min-height: 0; }

/* ---------- Leonardita ---------- */
.explain { padding-block: clamp(80px, 14vh, 160px); border-top: 1px solid var(--line); }
.sec-head { margin-bottom: clamp(32px, 6vh, 64px); max-width: 760px; }
.sec-head--split { max-width: none; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; align-items: end; }
.sec-head--split > div { grid-column: 1 / span 7; }
.sec-head--split .lead { grid-column: 8 / span 5; }
.explain__grid { position: relative; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; min-height: 560px; align-items: center; }
.explain__lines { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 3; pointer-events: none; overflow: visible; }
.explain__lines line { stroke: var(--ink-2); stroke-width: 1; stroke-dasharray: 3 4; }
.explain__lines circle { fill: var(--accent); }
.explain__stage { grid-column: 4 / span 6; grid-row: 1; height: 560px; }
.explain__label { position: absolute; left: 50%; bottom: 4%; transform: translateX(-50%); font: 500 12px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; padding: 8px 12px; border-radius: 999px; background: var(--ink); color: var(--paper); }
.facts { grid-column: 1 / -1; grid-row: 1; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; row-gap: 120px; }
.fact { position: relative; z-index: 3; display: flex; flex-direction: column; gap: 10px; max-width: 290px; }
.fact .ico { color: var(--accent); }
.fact h3 { margin: 0; font-size: 1.15rem; font-weight: 600; letter-spacing: -0.015em; line-height: 1.2; }
.fact p { margin: 0; font-size: 15px; color: var(--ink-2); }
.fact--1, .fact--3 { grid-column: 1 / span 3; }
.fact--2, .fact--4 { grid-column: 10 / span 3; justify-self: end; }
.fact--1, .fact--2 { grid-row: 1; }
.fact--3, .fact--4 { grid-row: 2; }

/* ---------- Maíz ---------- */
.maize { padding-block: clamp(80px, 14vh, 160px); border-top: 1px solid var(--line); background: var(--paper-2); }
.maize__panel { display: grid; gap: 0; }
.maize__stage { height: clamp(380px, 56vh, 560px); }
.maize__counts { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.count { display: flex; flex-direction: column; gap: 8px; padding: 20px 0; }
.count--con { padding-left: 24px; border-left: 1px solid var(--line); }
.count__k { font: 500 12px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.count--con .count__k { color: var(--accent); }
.count__v { font-size: clamp(1rem, 1.2vw, 1.2rem); color: var(--ink-2); }
.count__v b { font: 500 clamp(2.25rem, 4vw, 3.5rem)/1 var(--f-mono); letter-spacing: -0.05em; color: var(--ink); margin-right: 6px; font-variant-numeric: tabular-nums; }
.count--con .count__v b { color: var(--accent); }
.count__ears { display: flex; gap: 6px; }
.count__ears i { width: 12px; height: 26px; border-radius: 6px 6px 7px 7px; background: var(--corn); transition: opacity .4s, transform .4s; }
.count__ears i.ghost { background: transparent; border: 1.5px dashed var(--corn); }
.count__ears i.off { opacity: .15; transform: scale(.85); }
.maize__ctrl { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.switch { display: inline-flex; padding: 4px; border-radius: 999px; background: var(--paper); border: 1px solid var(--line); }
.switch button { min-height: 42px; padding: 0 18px; border: 0; border-radius: 999px; background: transparent; cursor: pointer; font: 500 13px/1 var(--f-mono); color: var(--ink-2); transition: background .25s, color .25s; }
.switch button:hover { color: var(--ink); }
.switch button[aria-pressed="true"] { background: var(--accent); color: var(--paper); }
.maize__ph { display: flex; align-items: center; gap: 10px; margin: 0; color: var(--ink-2); font-size: 15px; max-width: 52ch; }
.maize__ph .ico { color: var(--accent); }

/* ---------- Para quién ---------- */
.who { padding-block: clamp(80px, 14vh, 160px); border-top: 1px solid var(--line); }
.who__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.box { border-radius: calc(var(--r) + 6px); padding: clamp(24px, 3.5vw, 48px); display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.box--light { background: var(--paper-2); border: 1px solid var(--line); }
.box--light .ico { color: var(--accent); }
.box--dark { background: var(--night); color: var(--night-ink); }
.box--dark .ico { color: var(--night-ink-2); }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 28px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .45em; width: 14px; height: 8px; border-left: 1.6px solid var(--accent); border-bottom: 1.6px solid var(--accent); transform: rotate(-45deg); }
.box--dark .ticks li { color: var(--night-ink-2); }
.box--dark .ticks li::before, .product .ticks li::before { border-color: var(--night-ink); }

/* ---------- Producto + contacto ---------- */
.product { background: var(--night); color: var(--night-ink); padding-block: clamp(80px, 14vh, 160px); }
.product__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; align-items: center; }
.product__pic { grid-column: 1 / span 6; margin: 0; height: clamp(480px, 78vh, 720px); }
@keyframes bob { 50% { transform: translateY(-10px); } }
.product__copy { grid-column: 7 / span 6; display: flex; flex-direction: column; gap: 22px; }
.product__copy .eyebrow { margin: 0; }
.product .lead { color: var(--night-ink-2); }
.product .ticks li { color: var(--night-ink-2); }
.contact { margin-top: 18px; padding-top: 28px; border-top: 1px solid var(--night-line); display: flex; flex-direction: column; gap: 18px; }
.channels { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 12px; }
.channel { display: flex; flex-direction: column; gap: 6px; padding: 14px 18px; border: 1px solid var(--night-line); border-radius: var(--r); text-decoration: none; min-width: 180px; transition: border-color .2s, background .2s; }
.channel:hover { border-color: var(--night-ink-2); background: var(--night-2); }
.channel__k { font: 500 11px/1 var(--f-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--night-ink-2); }
.channel__v { font-size: 17px; }
.form { display: grid; gap: 14px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label { display: grid; gap: 6px; font: 500 12px/1 var(--f-mono); color: var(--night-ink-2); min-width: 0; }
.form input, .form textarea { font: inherit; font-family: var(--f-sans); font-size: 16px; color: var(--night-ink); background: var(--night-2); border: 1px solid var(--night-line); border-radius: 10px; padding: 12px 14px; width: 100%; }
.form input:focus, .form textarea:focus { outline: 2px solid var(--night-ink); outline-offset: 1px; }
.form__err { margin: 0; font: 500 13px var(--f-mono); color: var(--night-ink); }
.form .btn { justify-self: start; background: var(--night-ink); border-color: var(--night-ink); color: var(--night); }

/* ---------- Pie ---------- */
.foot { background: var(--night); color: var(--night-ink-2); border-top: 1px solid var(--night-line); padding-block: 36px calc(36px + env(safe-area-inset-bottom, 0px)); position: relative; z-index: 4; }
.foot__in { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; font: 400 13px/1.4 var(--f-mono); }
.foot__in img { height: 28px; width: auto; filter: brightness(0) invert(.93); }
.foot p { margin: 0; }
.foot__dev { margin-left: auto !important; }

/* ---------- Tableta ---------- */
@media (max-width: 1100px) {
  .nav__menu a { padding: 8px 8px; }
  .fact--1, .fact--3 { grid-column: 1 / span 4; }
  .fact--2, .fact--4 { grid-column: 9 / span 4; }
  .explain__stage { grid-column: 4 / span 6; }
}
@media (max-width: 960px) {
  .nav__menu { display: none; }
  .nav .btn--sm { margin-left: auto; }
  .hero__copy { grid-column: 1 / -1; }
  .hero__stage { grid-column: 1 / -1; height: clamp(380px, 62vw, 560px); }
  .origin__copy { grid-column: 1 / span 6; }
  .origin__stage { grid-column: 7 / span 6; height: min(60svh, 520px); }
  .sec-head--split > div, .sec-head--split .lead { grid-column: 1 / -1; }
  .sec-head--split .lead { margin-top: 18px; }
  .explain__grid { display: flex; flex-direction: column; min-height: 0; }
  .explain__stage { order: -1; width: 100%; height: clamp(320px, 60vw, 460px); }
  .facts { grid-template-columns: 1fr 1fr; row-gap: 32px; column-gap: 24px; margin-top: 24px; }
  .fact { grid-column: auto !important; grid-row: auto !important; justify-self: start !important; max-width: none; }
  .explain__lines { display: none; }
  .product__pic { grid-column: 1 / span 5; height: clamp(420px, 60vw, 560px); }
  .product__copy { grid-column: 6 / span 7; }
}

/* ---------- Teléfono ---------- */
@media (max-width: 680px) {
  :root { --nav-h: 60px; }
  .nav__logo img { height: 28px; }
  .hero__copy { gap: 20px; }
  .hero__stage { height: min(112vw, 480px); margin-top: 8px; }
  .float { max-width: 170px; padding: 10px 12px; }
  .float__t { font-size: 12.5px; }
  .float__ears { font-size: 22px; }
  .float--a { top: 2%; left: 0; }
  .float--b { top: auto; bottom: 30%; }
  .float--c { left: 0; bottom: 0; }
  .float--b { right: 0; }

  .origin { height: 560vh; }
  .origin__pin { align-items: stretch; padding-bottom: max(12px, env(safe-area-inset-bottom, 0px)); }
  .origin__grid { display: flex; flex-direction: column; align-items: stretch; height: 100%; padding-top: 16px; }
  .origin__copy { display: contents; }
  .origin__copy .eyebrow { margin-bottom: 8px; }
  .origin__copy .h2 { font-size: clamp(1.7rem, 7.4vw, 2.2rem); margin-bottom: 0; }
  .origin__stage { order: 3; flex: 1 1 auto; min-height: 0; height: auto; }
  .origin__copy > .note { display: none; }
  .steps { order: 5; border-top: 0; }
  .step { border: 0; display: none; }
  .step.is-active { display: block; }
  .step__h { padding: 4px 0 6px; pointer-events: none; }
  .step__body { grid-template-rows: 1fr; }
  .step__body p, .step__bar { padding-left: 0; margin-left: 0; font-size: 15px; }
  .step__body p { min-height: 4.6em; }
  .origin__dots { order: 4; display: flex; justify-content: space-between; gap: 6px; border-top: 1px solid var(--line); padding-top: 10px; }
  .origin__dots button { flex: 1; min-height: 40px; border: 0; background: none; font: 500 12px/1 var(--f-mono); color: var(--ink-2); border-bottom: 2px solid transparent; cursor: pointer; }
  .origin__dots button.is-active { color: var(--accent); border-bottom-color: var(--accent); }
  .stage__tag { top: 0; right: 0; }

  .facts { grid-template-columns: 1fr; }
  .maize__stage { height: min(96vw, 420px); }
  .count--con { padding-left: 16px; }
  .count__v { font-size: 14px; }
  .maize__ph { font-size: 14px; }
  .switch { width: 100%; }
  .switch button { flex: 1; padding: 0 10px; }
  .who__grid { grid-template-columns: 1fr; }
  .product__grid { display: flex; flex-direction: column; gap: 40px; }
  .product__pic { width: 100%; height: min(120vw, 480px); }
  .form__row { grid-template-columns: 1fr; }
  .foot__dev { margin-left: 0 !important; }
}

/* Sin JavaScript: todo legible sin escena ni paso a paso */
.no-js .origin { height: auto; }
.no-js .origin__pin { position: static; height: auto; padding-block: 96px; }
.no-js .step__body { grid-template-rows: 1fr; }
.no-js .step .step__n, .no-js .step .step__t { color: var(--ink); }
.no-js .step { display: block !important; }
.no-js .origin__dots, .no-js .stage__tag, .no-js .step__bar, .no-js .maize__ctrl .switch { display: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}