/* ===================================================================
   RevSign theme — main stylesheet
   Portado del design system de Claude Design (fuente canonica).
   Capas: tokens · reset/base · a11y · animaciones · layout · componentes.
   Marca: campo escarlata full-bleed, tipografia crema, acentos amarillo/azul,
   tinta negra, esquinas duras, 2px hairline e "hard offset shadow".
   =================================================================== */

/* ===================================================================
   1) TOKENS
   =================================================================== */
:root {
  /* ---- Brand core ---- */
  --rs-red:        #E7243B;
  --rs-red-deep:   #D52133;
  --rs-red-700:    #BC1B2E;
  --rs-cream:      #EFF6E6;
  --rs-cream-dim:  #D8DECF;
  --rs-yellow:     #FFD23A;
  --rs-yellow-deep:#F5BE16;
  --rs-blue:       #3B7DEA;
  --rs-blue-deep:  #2A5FC0;
  --rs-ink:        #111111;
  --rs-black:      #000000;
  --rs-white:      #FFFFFF;

  /* ---- Neutral ramp ---- */
  --rs-gray-50:  #F6F6F4;
  --rs-gray-100: #ECECE8;
  --rs-gray-200: #DADAD4;
  --rs-gray-300: #BFBFB7;
  --rs-gray-400: #8E8E86;
  --rs-gray-500: #66665F;
  --rs-gray-600: #45453F;
  --rs-gray-700: #2C2C28;
  --rs-gray-900: #141413;

  /* ---- Semantic surfaces / text ---- */
  --surface-brand:   var(--rs-red);
  --surface-card:    var(--rs-white);
  --surface-ink:     var(--rs-ink);
  --text-on-brand:   var(--rs-cream);
  --text-on-card:    var(--rs-ink);
  --text-on-ink:     var(--rs-cream);
  --text-link:       var(--rs-blue);

  /* ---- Borders ---- */
  --border-ink:    var(--rs-ink);
  --border-on-red: var(--rs-cream);
  --border-subtle: var(--rs-gray-200);

  /* ---- Type families ---- */
  --font-display: "Zilla Slab", "Roboto Slab", Georgia, serif;
  --font-sans:    "Hanken Grotesk", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono:    "Space Mono", "SFMono-Regular", ui-monospace, monospace;

  /* ---- Weights ---- */
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* ---- Type scale ---- */
  --size-display-xl: clamp(3rem, 7vw, 6rem);
  --size-display-lg: clamp(2.75rem, 5vw, 4rem);
  --size-display-md: 2.5rem;
  --size-display-sm: 1.875rem;
  --lh-display: 0.98;
  --ls-display: -0.01em;

  --size-body-xl: 1.375rem;
  --size-body-lg: 1.125rem;
  --size-body-md: 1rem;
  --size-body-sm: 0.875rem;
  --size-body-xs: 0.75rem;
  --lh-body: 1.6;
  --lh-tight: 1.35;

  --size-label: 0.8125rem;
  --ls-label: 0.12em;
  --size-mono: 0.875rem;

  /* ---- Spacing (4px base) ---- */
  --space-1: 0.25rem;  --space-2: 0.5rem;  --space-3: 0.75rem;
  --space-4: 1rem;     --space-5: 1.5rem;  --space-6: 2rem;
  --space-7: 2.5rem;   --space-8: 3rem;    --space-10: 4rem;
  --space-12: 5rem;    --space-16: 7rem;   --space-20: 10rem;

  /* ---- Layout ---- */
  --container-max: 1280px;
  --container-pad: clamp(1.25rem, 5vw, 5rem);
  --section-gap: clamp(4rem, 9vw, 8rem);
  --gutter: 2rem;

  /* ---- Control sizing ---- */
  --control-h-sm: 36px;
  --control-h-md: 44px;
  --control-h-lg: 56px;

  /* ---- Radii ---- */
  --radius-none: 0;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* ---- Borders ---- */
  --border-hair: 1px;
  --border-bold: 2px;
  --border-heavy: 3px;

  /* ---- Hard offset shadows (the signature) ---- */
  --shadow-hard-yellow: 6px 6px 0 0 var(--rs-yellow);
  --shadow-hard-ink:    6px 6px 0 0 var(--rs-ink);
  --shadow-hard-sm:     4px 4px 0 0 var(--rs-ink);
  --shadow-hard-blue:   6px 6px 0 0 var(--rs-blue);
  --shadow-hard-press:  2px 2px 0 0 var(--rs-ink);

  /* ---- Soft shadows (floating UI only) ---- */
  --shadow-soft-sm: 0 2px 8px rgba(17,17,17,0.12);
  --shadow-soft-md: 0 8px 24px rgba(17,17,17,0.16);
  --shadow-soft-lg: 0 20px 48px rgba(17,17,17,0.22);

  /* ---- Motion ---- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-snap: cubic-bezier(0.5, 1.6, 0.4, 1);
  --dur-fast: 120ms;
  --dur-base: 200ms;
  --dur-slow: 360ms;
}

/* ===================================================================
   2) RESET / BASE
   =================================================================== */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--surface-brand);
  color: var(--text-on-brand);
  font-family: var(--font-sans);
  font-size: var(--size-body-md);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
  margin: 0 0 0.4em;
  text-wrap: balance;
}
h1 { font-size: var(--size-display-lg); }
h2 { font-size: var(--size-display-md); }
h3 { font-size: var(--size-display-sm); }
h4 { font-size: 1.375rem; }

p { margin: 0 0 1em; text-wrap: pretty; }
p:last-child { margin-bottom: 0; }

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

img, svg { max-width: 100%; height: auto; }
img { display: block; }

code, kbd, pre, samp { font-family: var(--font-mono); font-size: 0.92em; }

::selection { background: var(--rs-yellow); color: var(--rs-ink); }

em { font-style: italic; }
strong, b { font-weight: var(--fw-bold); }

hr {
  border: 0;
  border-top: var(--border-bold) solid currentColor;
  opacity: 0.25;
  margin: var(--space-6) 0;
}

/* ===================================================================
   3) ACCESIBILIDAD
   =================================================================== */
.rs-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--rs-ink);
  color: var(--rs-cream);
  padding: 12px 20px;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: var(--ls-label);
}
.rs-skip-link:focus {
  left: 16px;
  top: 16px;
}

:focus-visible {
  outline: var(--border-heavy) solid var(--rs-yellow);
  outline-offset: 2px;
}

.screen-reader-text,
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ===================================================================
   4) ANIMACIONES (restringidas y snappy)
   =================================================================== */
@keyframes rs-fade-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes rs-slide-down {
  from { transform: translateY(-100%); }
  to   { transform: translateY(0); }
}

/* Reveal on scroll (lo gobierna IntersectionObserver en main.js) */
.rs-reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}
.rs-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .rs-reveal { opacity: 1; transform: none; }
}

/* ===================================================================
   5) LAYOUT
   =================================================================== */
.rs-container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}
.rs-container--narrow { max-width: 1180px; }
.rs-container--prose  { max-width: 760px; }

.rs-section {
  padding-block: var(--section-gap);
}

.rs-stack { display: flex; flex-direction: column; gap: var(--space-4); }

.rs-eyebrow {
  font-family: var(--font-mono);
  font-weight: var(--fw-bold);
  font-size: var(--size-label);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  display: inline-block;
}

/* ===================================================================
   6) COMPONENTES
   =================================================================== */

/* ---- 6.1 Botones --------------------------------------------------- */
.rs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: var(--control-h-md);
  padding: 0 24px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  border: var(--border-bold) solid var(--rs-ink);
  border-radius: var(--radius-sm);
  cursor: pointer;
  user-select: none;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}
.rs-btn:hover { text-decoration: none; }

/* sizes */
.rs-btn--sm { height: var(--control-h-sm); padding: 0 16px; font-size: 12px; }
.rs-btn--lg { height: var(--control-h-lg); padding: 0 36px; font-size: 14px; }
.rs-btn--full { display: flex; width: 100%; }

/* variants */
.rs-btn--primary { background: var(--rs-white); color: var(--rs-ink); box-shadow: var(--shadow-hard-yellow); }
.rs-btn--solid   { background: var(--rs-red);   color: var(--rs-cream); box-shadow: var(--shadow-hard-ink); }
.rs-btn--ink     { background: var(--rs-ink);   color: var(--rs-cream); box-shadow: var(--shadow-hard-yellow); }
.rs-btn--ghost   { background: transparent;     color: var(--rs-ink);   box-shadow: none; }

/* press = translate into the shadow (the brand's feedback) */
.rs-btn--primary:active,
.rs-btn--solid:active,
.rs-btn--ink:active {
  transform: translate(4px, 4px);
  box-shadow: var(--shadow-hard-press);
}
.rs-btn--ghost:active { transform: translate(2px, 2px); }

.rs-btn[disabled],
.rs-btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

/* ---- 6.2 Badge / tag ---------------------------------------------- */
.rs-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 10px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-xs);
  white-space: nowrap;
}
.rs-badge--ink     { background: var(--rs-ink);    color: var(--rs-cream); }
.rs-badge--red     { background: var(--rs-red);    color: var(--rs-cream); }
.rs-badge--yellow  { background: var(--rs-yellow); color: var(--rs-ink); }
.rs-badge--blue    { background: var(--rs-blue);   color: var(--rs-white); }
.rs-badge--cream   { background: var(--rs-cream);  color: var(--rs-ink); }
.rs-badge--outline { background: transparent; color: var(--rs-ink); border: var(--border-bold) solid var(--rs-ink); }

/* ---- 6.3 Card ------------------------------------------------------ */
.rs-card {
  background: var(--rs-white);
  color: var(--rs-ink);
  border: var(--border-bold) solid var(--rs-ink);
  border-radius: var(--radius-sm);
  padding: var(--space-7);
}
.rs-card--cream { background: var(--rs-cream); }
.rs-card--ink {
  background: var(--rs-ink);
  color: var(--rs-cream);
  border: none;
  border-radius: var(--radius-lg);
}
.rs-card--flush { padding: 0; }
.rs-card--shadow-ink    { box-shadow: var(--shadow-hard-ink); }
.rs-card--shadow-yellow { box-shadow: var(--shadow-hard-yellow); }
.rs-card--shadow-soft   { box-shadow: var(--shadow-soft-md); }

/* ---- 6.4 Form fields ---------------------------------------------- */
.rs-field { display: flex; flex-direction: column; gap: 8px; width: 100%; }
.rs-field__label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rs-ink);
}
.rs-input,
.rs-textarea {
  width: 100%;
  height: var(--control-h-md);
  padding: 0 14px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--rs-ink);
  background: var(--rs-white);
  border: var(--border-bold) solid var(--rs-ink);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-out);
}
.rs-textarea { height: auto; min-height: 120px; padding: 12px 14px; line-height: var(--lh-body); }
.rs-input:focus,
.rs-textarea:focus { border-color: var(--rs-red); }

/* ink surface (dark panels: demo form / footer) */
.rs-field--ink .rs-field__label { color: var(--rs-cream); }
.rs-field--ink .rs-input,
.rs-field--ink .rs-textarea {
  color: var(--rs-cream);
  background: transparent;
  border-color: rgba(239, 246, 230, 0.35);
}
.rs-field--ink .rs-input::placeholder,
.rs-field--ink .rs-textarea::placeholder { color: rgba(239, 246, 230, 0.55); }
.rs-field--ink .rs-input:focus,
.rs-field--ink .rs-textarea:focus { border-color: var(--rs-yellow); }

/* Checkbox */
.rs-check { display: inline-flex; align-items: center; gap: 12px; cursor: pointer; font-family: var(--font-sans); font-size: 14px; color: var(--rs-ink); }
.rs-check input { position: absolute; opacity: 0; width: 0; height: 0; }
.rs-check__box {
  width: 22px; height: 22px; flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-xs);
  border: var(--border-bold) solid var(--rs-ink);
  background: transparent;
  transition: background var(--dur-fast) var(--ease-out);
}
.rs-check input:checked + .rs-check__box { background: var(--rs-yellow); }
.rs-check__box svg { opacity: 0; }
.rs-check input:checked + .rs-check__box svg { opacity: 1; }
.rs-check--ink { color: var(--rs-cream); }
.rs-check--ink .rs-check__box { border-color: var(--rs-cream); }

/* ---- 6.5 Header / nav --------------------------------------------- */
.rs-header {
  position: relative;
  z-index: 20;
  color: var(--rs-cream);
}
.rs-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding: 26px var(--container-pad);
}
.rs-nav__brand img,
.rs-nav__brand svg { height: 30px; width: auto; }
.rs-nav__right { display: flex; align-items: center; gap: 28px; }
.rs-nav__prompt {
  display: flex; align-items: center; gap: 14px;
  font-size: 15px; font-weight: var(--fw-semibold);
}
.rs-nav__cta {
  font-family: inherit; font-weight: var(--fw-bold); font-size: 13px;
  letter-spacing: var(--ls-label); text-transform: uppercase;
  background: none; border: none; color: var(--rs-cream);
  padding: 0; cursor: pointer;
}
.rs-nav__menu {
  font-family: var(--font-display); font-weight: var(--fw-semibold); font-size: 22px;
  letter-spacing: 0.02em; text-transform: uppercase;
  background: none; border: none; color: var(--rs-cream); cursor: pointer;
}

/* ---- 6.6 Hero ------------------------------------------------------ */
.rs-hero {
  background: var(--rs-red);
  color: var(--rs-cream);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.rs-hero__body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 1180px;
  width: 100%;
  margin-inline: auto;
  padding: 2rem var(--container-pad) 6rem;
}
.rs-hero__title {
  font-size: var(--size-display-xl);
  line-height: var(--lh-display);
  letter-spacing: var(--ls-display);
  max-width: 14ch;
  margin: 0;
}
.rs-hero__lead {
  font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  line-height: var(--lh-body);
  max-width: 52ch;
  margin: 2rem 0 0;
}
.rs-hero__link {
  display: inline-flex; align-items: center; gap: 10px;
  background: none; border: none; padding: 0;
  color: var(--rs-cream); font-family: var(--font-sans);
  font-weight: var(--fw-bold); font-size: 1.05rem; cursor: pointer;
  margin: 1.75rem 0 0;
}
.rs-hero__link .rs-hero__point { color: var(--rs-yellow); font-size: 1.3rem; }
.rs-hero__actions { margin-top: 2rem; }

/* ---- 6.7 Feature row (white card on red) -------------------------- */
.rs-feature {
  background: var(--rs-white);
  color: var(--rs-ink);
  border: var(--border-bold) solid var(--rs-ink);
  border-radius: var(--radius-sm);
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: var(--space-8);
  align-items: center;
  padding: var(--space-7);
}
.rs-feature--reverse .rs-feature__media { order: 2; }
.rs-feature__media { display: flex; justify-content: center; }
.rs-feature__media img { width: 260px; aspect-ratio: 1 / 1; object-fit: contain; }
.rs-feature__content { display: flex; flex-direction: column; gap: 16px; }
.rs-feature__title { font-size: var(--size-display-sm); line-height: 1.02; margin: 0; }
.rs-feature__subtitle { font-weight: var(--fw-bold); font-size: 18px; margin: 0; }
.rs-feature__body { font-size: 15px; line-height: var(--lh-body); color: var(--rs-gray-600); margin: 0; max-width: 52ch; }

/* ---- 6.8 Domains grid --------------------------------------------- */
.rs-domains { text-align: center; }
.rs-domains__title { font-size: clamp(2rem, 4vw, 3rem); margin: 0 0 3.5rem; }
.rs-domains__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem 3rem;
  max-width: 1080px;
  margin-inline: auto;
}
.rs-domain { display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.rs-domain img { width: 230px; aspect-ratio: 1 / 1; object-fit: contain; }
.rs-domain__label { font-size: 1.05rem; font-weight: var(--fw-semibold); }
.rs-domains__cta { margin-top: 3.5rem; }

/* ---- 6.9 Integration band ----------------------------------------- */
.rs-integration { text-align: center; color: var(--rs-cream); }
.rs-integration__title { font-size: clamp(1.9rem, 4vw, 2.75rem); max-width: 18ch; margin: 0 auto 0.75rem; }
.rs-integration__body { font-size: 1.1rem; max-width: 48ch; margin: 0 auto 3rem; }
.rs-integration img { max-width: 640px; width: 100%; margin-inline: auto; border-radius: var(--radius-sm); }

/* ---- 6.10 Demo / lead form panel ---------------------------------- */
.rs-demo { background: var(--rs-red); }
.rs-demo__panel { max-width: 1180px; margin-inline: auto; padding: clamp(2rem, 5vw, 4rem); }
.rs-demo__grid { display: grid; grid-template-columns: minmax(220px, 360px) 1fr; gap: clamp(1.5rem, 4vw, 4rem); align-items: start; }
.rs-demo__title { color: var(--rs-cream); font-size: clamp(2rem, 4vw, 3rem); line-height: 1.02; margin: 0; }
.rs-demo__form { display: flex; flex-direction: column; gap: 1.5rem; }
.rs-demo__row { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 1rem; }

/* ---- 6.11 Footer --------------------------------------------------- */
.rs-footer { background: var(--rs-ink); color: var(--rs-cream); }
.rs-footer__inner { padding-block: var(--space-10); display: flex; flex-direction: column; gap: var(--space-8); }
.rs-footer__cols { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--space-6); }
.rs-footer__col h2,
.rs-footer__col h3 { font-family: var(--font-sans); font-size: 12px; font-weight: var(--fw-bold); letter-spacing: 0.12em; text-transform: uppercase; color: var(--rs-yellow); margin: 0 0 var(--space-4); }
.rs-footer__col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.rs-footer__col a:hover { color: var(--rs-yellow); text-decoration: none; }
.rs-footer__sign { border-top: var(--border-hair) solid rgba(239,246,230,0.18); padding-top: var(--space-5); font-family: var(--font-mono); font-size: var(--size-body-xs); color: rgba(239,246,230,0.7); }

/* ---- 6.12 Menu overlay (slide down) ------------------------------- */
.rs-menu-overlay {
  position: fixed; inset: 0; z-index: 50;
  background: var(--rs-ink); color: var(--rs-cream);
  display: flex; flex-direction: column;
  padding: 26px var(--container-pad);
  transform: translateY(-100%);
  transition: transform var(--dur-slow) var(--ease-out);
  visibility: hidden;
}
.rs-menu-overlay.is-open { transform: translateY(0); visibility: visible; }
.rs-menu-overlay__top { display: flex; justify-content: space-between; align-items: center; }
.rs-menu-overlay__close { background: none; border: none; color: var(--rs-cream); font-family: var(--font-display); font-size: 22px; text-transform: uppercase; cursor: pointer; }
.rs-menu-overlay__nav { flex: 1; display: flex; flex-direction: column; justify-content: center; gap: 0.5rem; }
.rs-menu-overlay__link { font-family: var(--font-display); font-weight: var(--fw-bold); font-size: clamp(2.5rem, 7vw, 5rem); color: var(--rs-cream); line-height: 1.05; display: inline-flex; align-items: baseline; gap: 1rem; }
.rs-menu-overlay__link:hover { text-decoration: none; color: var(--rs-yellow); }
.rs-menu-overlay__num { font-family: var(--font-mono); font-size: 1rem; color: var(--rs-yellow); }

/* ---- 6.13 Modal (popup form) -------------------------------------- */
.rs-modal { position: fixed; inset: 0; z-index: 60; display: none; }
.rs-modal.is-open { display: block; }
.rs-modal__backdrop { position: absolute; inset: 0; background: rgba(17,17,17,0.6); }
.rs-modal__dialog {
  position: relative;
  max-width: 520px;
  width: calc(100% - 2 * var(--container-pad));
  margin: clamp(2rem, 12vh, 8rem) auto 0;
  box-shadow: var(--shadow-soft-lg);
}
.rs-modal__close { position: absolute; top: 12px; right: 14px; background: none; border: none; font-family: var(--font-display); font-size: 22px; line-height: 1; cursor: pointer; color: inherit; }

body.rs-no-scroll { overflow: hidden; }

/* ===================================================================
   7) SCROLLBAR
   =================================================================== */
* { scrollbar-width: thin; scrollbar-color: rgba(255,210,58,0.6) transparent; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,210,58,0.6); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--rs-yellow); }

/* ===================================================================
   8) RESPONSIVE
   =================================================================== */
@media (max-width: 980px) {
  .rs-footer__cols { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .rs-nav__prompt { display: none; }
  .rs-hero { min-height: auto; }
  .rs-hero__body { padding-block: 3rem 4rem; }
  .rs-feature { grid-template-columns: 1fr; gap: var(--space-5); }
  .rs-feature--reverse .rs-feature__media { order: 0; }
  .rs-feature__media img { width: 200px; }
  .rs-domains__grid { grid-template-columns: 1fr 1fr; gap: 2rem 1.5rem; }
  .rs-demo__grid { grid-template-columns: 1fr; }
  .rs-demo__row { grid-template-columns: 1fr; }
  .rs-footer__cols { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
  .rs-domains__grid { grid-template-columns: 1fr; }
}

/* ===================================================================
   9) COMPONENTES — Sesión 2
   =================================================================== */

/* ---- 9.1 Language switcher ---------------------------------------- */
.rs-lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
}
.rs-lang-sep {
  font-family: var(--font-mono);
  font-size: 10px;
  opacity: 0.4;
}
.rs-lang-link {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  color: rgba(239, 246, 230, 0.55);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}
.rs-lang-link.is-active { color: var(--rs-cream); }
.rs-lang-link:hover     { color: var(--rs-yellow); text-decoration: none; }

/* ---- 9.2 Menu overlay — pie --------------------------------------- */
.rs-menu-overlay__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(239, 246, 230, 0.15);
}

/* ---- 9.3 Hero variants -------------------------------------------- */
.rs-hero--short     { min-height: 50vh; }
.rs-hero--pillar    { min-height: 55vh; }
.rs-hero__eyebrow   { color: var(--rs-yellow); display: block; margin-bottom: var(--space-3); }
.rs-pillar-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--size-body-sm);
  font-weight: var(--fw-semibold);
  color: rgba(239, 246, 230, 0.65);
  text-decoration: none;
  margin-bottom: var(--space-5);
  transition: color var(--dur-fast) var(--ease-out);
}
.rs-pillar-back:hover { color: var(--rs-yellow); text-decoration: none; }

/* ---- 9.4 Domain card link variant --------------------------------- */
.rs-domain--link {
  display: block;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: transform var(--dur-base) var(--ease-out);
}
.rs-domain--link:hover { transform: translateY(-4px); text-decoration: none; }
.rs-domain__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(239, 246, 230, 0.12);
  border-top: 4px solid var(--rs-pillar-accent, var(--rs-yellow));
  border-radius: var(--radius-sm);
  transition: background var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}
.rs-domain--link:hover .rs-domain__card {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--rs-pillar-accent, var(--rs-yellow));
}
.rs-domain__label   { color: var(--rs-cream); font-weight: var(--fw-semibold); font-size: 1.05rem; text-align: center; }
.rs-domain__subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(239, 246, 230, 0.6);
  text-align: center;
  line-height: 1.5;
}

/* ---- 9.5 Testimonials grid ---------------------------------------- */
.rs-testimonials { background: var(--rs-red); color: var(--rs-cream); }
.rs-testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-8);
}
.rs-testimonial-card {
  background: rgba(17, 17, 17, 0.5);
  border: 1px solid rgba(239, 246, 230, 0.12);
  border-radius: var(--radius-sm);
  padding: var(--space-7);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.rs-testimonial-card__quote {
  font-size: 1.05rem;
  line-height: 1.65;
  font-style: italic;
  margin: 0;
  flex: 1;
}
.rs-testimonial-card__byline { display: flex; align-items: center; gap: var(--space-4); }
.rs-testimonial-card__avatar img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--rs-yellow);
  object-fit: cover;
}
.rs-testimonial-card__name { font-weight: var(--fw-bold); font-size: 0.95rem; margin: 0; }
.rs-testimonial-card__role { font-size: var(--size-body-xs); opacity: 0.65; margin: 0; }

/* ---- 9.6 Integration section enhancements ------------------------- */
.rs-integration__diagram { margin: var(--space-8) auto 0; max-width: 640px; }
.rs-integration__diagram img { width: 100%; border-radius: var(--radius-sm); }
.rs-integration__cta { margin-top: var(--space-7); text-align: center; }

/* ---- 9.7 Demo/CTA section ---------------------------------------- */
.rs-demo__subtitle { color: rgba(239, 246, 230, 0.7); font-size: var(--size-body-lg); margin-top: var(--space-4); }
.rs-demo__copy { display: flex; flex-direction: column; justify-content: center; }
.rs-demo__form-wrap { display: flex; flex-direction: column; justify-content: center; }

/* ---- 9.8 Generic page (page.php) ---------------------------------- */
.rs-page { background: var(--rs-red); color: var(--rs-cream); padding-top: var(--space-8); }
.rs-page__header { padding-block: var(--space-8) var(--space-5); }
.rs-page__title { font-size: var(--size-display-md); }
.rs-page__hero-img img { border-radius: var(--radius-sm); margin-bottom: var(--space-6); }
.rs-prose { color: var(--rs-cream); }
.rs-prose p, .rs-prose li { font-size: var(--size-body-lg); line-height: var(--lh-body); }
.rs-prose h2 { font-size: var(--size-display-sm); margin-top: var(--space-7); }
.rs-prose h3 { font-size: 1.4rem; margin-top: var(--space-5); }
.rs-prose a { color: var(--rs-yellow); text-decoration: underline; }
.rs-prose a:hover { color: var(--rs-cream); }

/* ---- 9.9 Feature actions (pilar CTA buttons) ---------------------- */
.rs-feature__actions { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-top: var(--space-5); }

/* ---- 9.10 Footer enhancements ------------------------------------- */
.rs-footer__modal-trigger {
  background: none;
  border: none;
  padding: 0;
  color: var(--rs-cream);
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  text-align: left;
}
.rs-footer__modal-trigger:hover { color: var(--rs-yellow); }
.rs-footer-form { margin-top: var(--space-5); }
.rs-footer-form__row { display: flex; gap: var(--space-3); }
.rs-footer-form__row .rs-btn { flex-shrink: 0; }

/* ---- 9.11 404 error page ------------------------------------------ */
.rs-error-page {
  min-height: 80vh;
  background: var(--rs-red);
  color: var(--rs-cream);
  display: flex;
  align-items: center;
}
.rs-error-page__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding-block: var(--space-16);
}
.rs-error-page__title { font-size: var(--size-display-lg); margin: 0; }
.rs-error-page__lead  { font-size: var(--size-body-xl); opacity: 0.75; max-width: 44ch; margin: 0; }
.rs-error-page__actions { display: flex; gap: var(--space-4); flex-wrap: wrap; margin-top: var(--space-4); }

/* ---- 9.12 Search -------------------------------------------------- */
.rs-search { background: var(--rs-red); color: var(--rs-cream); }
.rs-search__header { padding-block: var(--space-10) var(--space-6); }
.rs-search__title  { font-size: var(--size-display-md); margin-bottom: var(--space-5); }
.rs-search-form__row { display: flex; gap: var(--space-3); }
.rs-search__results { display: flex; flex-direction: column; gap: var(--space-6); margin-top: var(--space-6); }
.rs-search__item-title { font-size: var(--size-display-sm); margin: 0 0 var(--space-2); }
.rs-search__item-title a { color: var(--rs-cream); }
.rs-search__item-title a:hover { color: var(--rs-yellow); text-decoration: none; }
.rs-search__item-excerpt { opacity: 0.75; font-size: var(--size-body-lg); }
.rs-search__empty { font-size: var(--size-body-xl); opacity: 0.75; padding: var(--space-8) 0; }

/* ---- 9.13 Contact page form --------------------------------------- */
.rs-contact-form { display: flex; flex-direction: column; gap: var(--space-5); }

/* ===================================================================
   10) RESPONSIVE — Sesión 2
   =================================================================== */
@media (max-width: 980px) {
  .rs-testimonial-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  .rs-menu-overlay__foot { flex-direction: column; align-items: flex-start; gap: var(--space-4); }
  .rs-testimonial-grid   { grid-template-columns: 1fr; }
  .rs-hero--short        { min-height: auto; }
  .rs-hero--pillar       { min-height: auto; }
  .rs-search-form__row   { flex-direction: column; }
  .rs-footer-form__row   { flex-direction: column; }
  .rs-error-page__actions { flex-direction: column; align-items: flex-start; }
  .rs-feature__actions   { flex-direction: column; }
}