/* ============================================================
   SH Diseño Web — MOCKUP v3 (look & feel para aprobar)
   El bloque :root son los design tokens que pasan tal cual
   a public/css/tokens.css en producción.
   ============================================================ */

/* ---------- 1. TOKENS ---------- */
:root {
  /* Marca — naranja del colibrí.
     brand-500 es el naranja "de imagen"; brand-600/700 son los tonos
     accesibles para texto y botones sobre blanco (contraste AA). */
  --brand-400: #ff6210;
  --brand-500: #f15808;
  --brand-600: #c4420a;
  --brand-700: #a5380a;
  --brand-100: #ffe4d3;

  /* Tinta / neutros cálidos */
  --ink-900: #1c0d0a;
  --ink-800: #2a1c16;
  --ink-700: #3d3733;
  --gray-600: #6a625d;
  --gray-400: #a79f99;
  --gray-200: #e7e1db;
  --gray-100: #f2ede8;
  --gray-50:  #faf7f4;
  --white:    #ffffff;
  --cream:    #ffebb7;

  /* Roles */
  --color-bg:            var(--white);
  --color-surface:       var(--gray-50);
  --color-surface-2:     var(--gray-100);
  --color-text:          var(--ink-700);
  --color-heading:       var(--ink-900);
  --color-muted:         var(--gray-600);
  --color-border:        var(--gray-200);
  --color-primary:       var(--brand-500);
  --color-primary-hover: var(--brand-600);
  --color-primary-text:  #ffffff;

  /* Tipografía */
  --font-display: "Bricolage Grotesque", "Mulish", system-ui, sans-serif;
  --font-body: "Mulish", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --fs-100: 0.8rem;
  --fs-200: 0.9375rem;
  --fs-300: 1rem;
  --fs-400: 1.125rem;
  --fs-500: 1.375rem;
  --fs-600: 1.75rem;
  --fs-700: 2.25rem;
  --fs-800: 3rem;
  --fs-900: 3.9rem;
  --lh-base: 1.65;
  --lh-tight: 1.08;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semi: 600;
  --fw-bold: 700;
  --fw-x: 800;

  /* Espaciado (0.25rem * n) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 6rem;
  --space-16: 8rem;

  /* Layout — breakpoints: sm 40em · md 48em · lg 64em · xl 80em */
  --container: 72rem;
  --container-narrow: 44rem;
  --gutter: var(--space-5);

  --border-width: 1px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 999px;

  --shadow-sm: 0 1px 2px rgba(28, 13, 10, 0.06);
  --shadow-md: 0 10px 30px rgba(28, 13, 10, 0.10);
  --shadow-lg: 0 30px 60px -12px rgba(28, 13, 10, 0.22);

  --transition: 180ms ease;
  /* Curvas con más carácter que las nativas del navegador (ver skill Emil Kowalski). */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --z-header: 100;
}

/* ---------- 2. RESET mínimo ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: var(--fs-300);
  line-height: var(--lh-base);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, picture, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-heading);
  line-height: var(--lh-tight);
  font-weight: var(--fw-x);
  letter-spacing: -0.02em;
}
p { text-wrap: pretty; }
:focus-visible { outline: 3px solid var(--brand-500); outline-offset: 3px; border-radius: var(--radius-sm); }

/* ---------- 3. LAYOUT ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--space-12); }
.section--tight { padding-block: var(--space-8); }
.section--surface { background: var(--color-surface); }
.section--dark { background: var(--ink-900); color: #d8ccc4; }
.section--dark h2, .section--dark h3 { color: #fff; }

.stack > * + * { margin-top: var(--space-4); }
.stack--lg > * + * { margin-top: var(--space-6); }

.section__head { max-width: 46rem; margin-bottom: var(--space-8); }

/* Kicker: reemplaza al "eyebrow" en mayúscula espaciada.
   Sentence case + un triángulo facetado que hace de viñeta. */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--fs-200);
  font-weight: var(--fw-bold);
  color: var(--brand-600);
  margin-bottom: var(--space-4);
}
.kicker::before {
  content: "";
  width: 12px;
  height: 12px;
  background: var(--brand-500);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  flex: none;
}
.section--dark .kicker { color: var(--brand-400); }
.section--dark .kicker::before { background: var(--brand-400); }

.section__title { font-size: var(--fs-700); max-width: 20ch; }
.section__lead {
  margin-top: var(--space-4);
  font-size: var(--fs-400);
  color: var(--color-muted);
  max-width: 60ch;
}
.section--dark .section__lead { color: #b6a89f; }

/* ---------- 4. HEADER / BRAND / NAV ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: 74px;
}
.brand { display: inline-flex; align-items: center; gap: var(--space-3); }
.brand__mark { width: 40px; height: 40px; object-fit: contain; }
.brand__name {
  font-family: var(--font-display);
  font-weight: var(--fw-x);
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  color: var(--ink-900);
  line-height: 1;
}
.brand__name span { color: var(--brand-500); }

.site-nav__list {
  display: flex;
  gap: var(--space-6);
  font-weight: var(--fw-semi);
  font-size: var(--fs-200);
}
.site-nav__list a {
  position: relative;
  padding-block: var(--space-2);
  color: var(--ink-800);
  transition: color var(--transition);
}
.site-nav__list a::after {
  /* subrayado como un filo facetado corto, no una línea entera */
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 10px; height: 3px;
  background: var(--brand-500);
  clip-path: polygon(0 0, 100% 0, 70% 100%, 0 100%);
  opacity: 0;
  transform: translateY(2px);
  transition: opacity var(--transition), transform var(--transition);
}
.site-nav__list a:hover,
.site-nav__list a[aria-current="page"] { color: var(--brand-600); }
.site-nav__list a:hover::after,
.site-nav__list a[aria-current="page"]::after { opacity: 1; transform: translateY(0); }

.header-actions { display: flex; align-items: center; gap: var(--space-4); }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--white);
  position: relative;
}
.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 20px; height: 2px;
  background: var(--ink-800);
  transform: translate(-50%, -50%);
}
.nav-toggle__bar::before { transform: translate(-50%, -7px); }
.nav-toggle__bar::after  { transform: translate(-50%, 5px); }

/* ---------- 5. BUTTONS ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.9em 1.7em;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: var(--fw-bold);
  font-size: var(--fs-200);
  border: 2px solid transparent;
  transition: transform var(--transition), background var(--transition);
  overflow: hidden;
  isolation: isolate;
}
.btn--primary {
  background: var(--brand-600);
  color: var(--color-primary-text);
  /* Sombra neutra (tinta, no naranja): eleva el botón sin el "glow" de color de marca. */
  box-shadow: var(--shadow-md);
}
.btn--primary:hover { background: var(--brand-700); transform: translateY(-2px); }
.btn--ghost { border-color: currentColor; color: var(--ink-900); }
.btn--ghost:hover { background: var(--ink-900); color: #fff; border-color: var(--ink-900); }
.section--dark .btn--ghost { color: #fff; }
/* El press siempre gana: confirma que la interfaz escuchó el click, incluso arriba del lift del hover. */
.btn:active { transform: scale(0.97); }
.section--dark .btn--ghost:hover { background: #fff; color: var(--ink-900); border-color: #fff; }
.btn--sm { padding: 0.65em 1.25em; }

/* ---------- 6. HERO ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-10);
  align-items: center;
  padding-block: var(--space-12) var(--space-16);
}
.hero__title {
  font-size: clamp(2.5rem, 6vw + 1rem, 4rem);
  font-weight: var(--fw-x);
  letter-spacing: -0.035em;
  max-width: 19ch;
}
.hero__lead { font-size: var(--fs-400); color: var(--color-muted); max-width: 46ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; }
.hero__note { font-size: var(--fs-200); color: var(--color-muted); }

/* ---------- 6b. MARCA DEL HERO: el colibrí real (img/hero-colibri.png) ----------
   Entra con fade + scale al cargar, después queda con una mecida continua y suave
   (traslación + rotación de 1-2°, solo transform, sin costo de layout). */
.hero-mark {
  position: absolute;
  top: 6%;
  right: -5%;
  width: min(32vw, 380px);
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transform: scale(0.94);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
.hero-mark.is-visible { opacity: 1; transform: scale(1); }
.hero-mark__img {
  display: block;
  width: 100%;
  height: auto;
  animation: hero-mark-float 6s var(--ease-in-out) infinite;
}
@keyframes hero-mark-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(1.2deg); }
}

/* Marca de la banda CTA: el mismo colibrí del hero, en chico. Decorativa y
   estática a propósito — el hero es el único momento con movimiento. */
.cta-mark {
  position: absolute;
  right: -2%;
  bottom: -12%;
  width: min(30vw, 260px);
  opacity: 0.92;
  pointer-events: none;
  z-index: 0;
}
.cta-mark__img { display: block; width: 100%; height: auto; }

/* ---------- 7. SHOWCASE (slideshow de trabajos en el hero) ---------- */
.showcase { position: relative; z-index: 1; display: grid; gap: var(--space-4); }
.showcase__frame {
  /* Solo sombra, sin borde: evita el combo "hairline + sombra ancha" (tell de UI genérica). */
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: rotate(0.5deg);
}
.showcase__stage { position: relative; aspect-ratio: 4 / 3; padding: var(--space-5); }
.showcase__shot {
  position: absolute;
  inset: var(--space-5);
  width: calc(100% - var(--space-5) * 2);
  height: calc(100% - var(--space-5) * 2);
  object-fit: contain;
  object-position: center;
  opacity: 0;
  /* Un toque de blur en la transición evita el "salto" de dos capturas distintas superpuestas. */
  filter: blur(8px) drop-shadow(0 18px 30px rgba(28, 13, 10, 0.16));
  transition: opacity 900ms var(--ease-out), filter 900ms var(--ease-out);
}
.showcase__shot.is-active { opacity: 1; filter: blur(0) drop-shadow(0 18px 30px rgba(28, 13, 10, 0.16)); }
.showcase__caption { padding-left: var(--space-2); line-height: 1.3; }
.showcase__caption b { display: block; font-family: var(--font-display); font-weight: var(--fw-bold); color: var(--color-heading); }
.showcase__caption span { font-size: var(--fs-100); color: var(--color-muted); }
.showcase__dots { display: flex; gap: var(--space-2); padding-left: var(--space-2); }
.showcase__dots button {
  /* Área de toque real 24x24 (WCAG 2.5.8); la marca visible de 26x4 queda centrada adentro. */
  width: 26px; height: 24px;
  padding: 0;
  position: relative;
  background: none;
}
.showcase__dots button::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 26px; height: 4px;
  transform: translateY(-50%);
  background: var(--gray-200);
  clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%);
  transition: background var(--transition);
}
.showcase__dots button[aria-current="true"]::before { background: var(--brand-500); }

/* ---------- 8. STATS (contador animado) ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6) var(--space-4);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-8);
}
.stat { text-align: left; }
.stat__num {
  font-family: var(--font-display);
  font-size: var(--fs-800);
  font-weight: var(--fw-x);
  letter-spacing: -0.04em;
  color: var(--ink-900);
  line-height: 1;
  display: block;
  font-variant-numeric: tabular-nums;
}
.stat__num i { color: var(--brand-500); font-style: normal; }
.stat__num.is-landed { animation: stat-bob 220ms ease; }
@keyframes stat-bob {
  40% { transform: translateY(-2px); }
  100% { transform: translateY(0); }
}
.stat__label { font-size: var(--fs-200); color: var(--color-muted); margin-top: var(--space-2); display: block; max-width: 18ch; }

/* ---------- 9. GRID + CARDS ---------- */
.grid { display: grid; gap: var(--space-6); }
.grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }

/* Tarjeta de servicio: plana, sin borde ni sombra — se distingue de trabajos y de planes.
   Sin filo lateral (el "side-tab" es el tell más reconocido de UI genérica, según el
   detector de impeccable). El facetado vive en el ícono; el hover es transform/opacity. */
.card {
  background: transparent;
  border: 0;
  padding: var(--space-2) 0;
}
.card__icon {
  width: 40px; height: 40px;
  display: grid; place-content: center;
  color: var(--brand-600);
  margin-bottom: var(--space-3);
  position: relative;
  transition: transform 200ms var(--ease-out), color 200ms var(--ease-out);
}
.card__icon::after {
  /* marca facetada — el mismo lenguaje visual del kicker y del subrayado del nav */
  content: "";
  position: absolute;
  right: -3px; top: -3px;
  width: 7px; height: 7px;
  background: var(--brand-500);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  opacity: 0;
  transform: scale(0.4);
  transition: opacity 200ms var(--ease-out), transform 200ms var(--ease-out);
}
.card__icon svg { width: 26px; height: 26px; }
.card__title { font-size: var(--fs-500); margin-bottom: var(--space-2); transition: transform 200ms var(--ease-out); }
.card__text { color: var(--color-muted); font-size: var(--fs-200); }

@media (hover: hover) and (pointer: fine) {
  .card:hover .card__icon { transform: translateY(-3px); color: var(--brand-500); }
  .card:hover .card__icon::after { opacity: 1; transform: scale(1); }
  .card:hover .card__title { transform: translateX(4px); }
}

/* Banner de servicio destacado (SEO + visibilidad en IA). Tinte plano de marca,
   sin degradé y sin borde: se distingue por el fondo, no por otro filo más. */
.feature-banner {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: var(--brand-100);
  border-radius: var(--radius-xl);
}
.feature-banner__icon {
  width: 56px; height: 56px;
  display: grid; place-content: center;
  flex: none;
  background: var(--brand-500);
  color: #fff;
  border-radius: var(--radius-full);
}
.feature-banner__icon svg { width: 28px; height: 28px; }
/* brand-600 (el color normal del kicker) no llega a 4.5:1 sobre este fondo claro */
.feature-banner .kicker { color: var(--brand-700); }
.feature-banner .kicker::before { background: var(--brand-700); }
.feature-banner__title { font-size: var(--fs-600); margin-top: var(--space-2); }
.feature-banner__text { color: var(--ink-700); font-size: var(--fs-300); margin-top: var(--space-3); max-width: 56ch; }

/* Chips de texto, no logos: nombrar las plataformas es seguro (fair use); reproducir
   sus marcas gráficas en un banner de venta podría leerse como afiliación no autorizada. */
.platform-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.platform-list li {
  font-size: var(--fs-100);
  font-weight: var(--fw-bold);
  padding: 0.4em 0.9em;
  border-radius: var(--radius-full);
  background: var(--white);
  color: var(--ink-800);
}

@media (min-width: 48em) {
  .feature-banner { flex-direction: row; align-items: flex-start; padding: var(--space-8); }
}

/* Nota de forma de pago debajo de los planes */
.plans-note {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  color: var(--color-muted);
  font-size: var(--fs-200);
}
.plans-note__icon { flex: none; width: 22px; height: 22px; color: var(--brand-600); }
.plans-note strong { color: var(--color-heading); font-weight: var(--fw-bold); }

/* Proceso — esto SÍ es una secuencia, por eso va numerado */
.steps { display: grid; gap: var(--space-5); counter-reset: step; }
.step { display: grid; grid-template-columns: auto 1fr; gap: var(--space-4); align-items: start; }
.step__n {
  counter-increment: step;
  font-family: var(--font-display);
  font-weight: var(--fw-x);
  font-size: var(--fs-400);
  color: var(--brand-500);
  min-width: 2.4ch;
}
.step__n::before { content: counter(step, decimal-leading-zero); }
.step h3 { font-size: var(--fs-400); margin-bottom: var(--space-1); }
.step p { font-size: var(--fs-200); color: var(--color-muted); }

/* Plan / pricing card — radio medio, distinto de trabajos (radio grande). */
.plan {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8) var(--space-6);
}
.plan--featured {
  /* El borde de marca ya comunica "destacado"; la sombra queda neutra y chica (evita el
     combo borde fino + halo de color ancho, otro tell de UI genérica). */
  border-color: var(--brand-500);
  border-width: 2px;
  box-shadow: var(--shadow-md);
  position: relative;
}
.plan--featured::before {
  content: "El más elegido";
  position: absolute;
  top: -13px; left: var(--space-6);
  background: var(--brand-600);
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--fs-100);
  font-weight: var(--fw-bold);
  padding: 0.35em 0.9em;
  border-radius: var(--radius-full);
}
.plan__name { font-size: var(--fs-500); }
.plan__desc { color: var(--color-muted); font-size: var(--fs-200); margin-top: var(--space-2); }
.plan__features { margin: var(--space-5) 0 var(--space-6); display: grid; gap: var(--space-3); font-size: var(--fs-200); }
.plan__features li { padding-left: 1.7em; position: relative; }
.plan__features li::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 12px; height: 6px; border-left: 2px solid var(--brand-500); border-bottom: 2px solid var(--brand-500); transform: rotate(-45deg); }
.plan .btn { margin-top: auto; }

/* ---------- 10. WORK GRID (portfolio) — radio grande ---------- */
.work-grid { display: grid; gap: var(--space-5); grid-template-columns: 1fr; }
.work {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--gray-100);
  display: block;
}
.work img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; object-position: top center; transition: transform 500ms ease; }
.work:hover img { transform: scale(1.03); }
.work__caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--space-6) var(--space-4) var(--space-4);
  background: linear-gradient(to top, rgba(28, 13, 10, 0.85), transparent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
}
.work__caption span {
  display: block;
  font-family: var(--font-body);
  font-weight: var(--fw-regular);
  font-size: var(--fs-100);
  color: rgba(255, 255, 255, 0.72);
}

/* ---------- 11. TESTIMONIALS ---------- */
.quote-grid { display: grid; gap: var(--space-6); grid-template-columns: 1fr; }
.quote { background: var(--white); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-6); }
.quote__text { font-size: var(--fs-300); }
.quote__author { margin-top: var(--space-4); font-weight: var(--fw-bold); font-size: var(--fs-200); font-family: var(--font-display); }
.quote__author span { display: block; font-family: var(--font-body); font-weight: var(--fw-regular); color: var(--color-muted); }

/* ---------- 12. CTA BAND — panel oscuro sólido + figura facetada ---------- */
.cta-band {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-6);
}
.cta-band__inner { position: relative; z-index: 1; max-width: 40ch; }
.cta-band h2 { color: #fff; font-size: var(--fs-700); }
.cta-band p { color: rgba(255, 255, 255, 0.82); margin-top: var(--space-3); }
.cta-band .btn { margin-top: var(--space-6); }
.cta-band .btn--primary { background: #fff; color: var(--ink-900); box-shadow: none; }
.cta-band .btn--primary:hover { background: var(--cream); }

/* ---------- 13. SPLIT ---------- */
.split { display: grid; gap: var(--space-8); align-items: center; }

/* ---------- 14. FORM (visual, para el mockup) ---------- */
.form { display: grid; gap: var(--space-4); max-width: 34rem; }
.field { display: grid; gap: var(--space-2); }
.field label { font-weight: var(--fw-bold); font-size: var(--fs-200); }
.field input, .field textarea {
  font: inherit;
  padding: 0.8em 1em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--color-text);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--brand-500); box-shadow: 0 0 0 3px rgba(241, 88, 8, 0.15); }

.contact-cols { display: grid; gap: var(--space-8); }
.contact-info dt { font-size: var(--fs-100); color: var(--color-muted); margin-top: var(--space-4); }
.contact-info dd { font-size: var(--fs-400); font-weight: var(--fw-bold); color: var(--color-heading); font-family: var(--font-display); }

/* ---------- 15. FOOTER ---------- */
.site-footer { background: var(--ink-900); color: #a99d95; padding-block: var(--space-10) var(--space-6); font-size: var(--fs-200); }
.site-footer__grid { display: grid; gap: var(--space-8); grid-template-columns: 1fr; }
.site-footer .brand__name { color: #fff; }
.site-footer p { max-width: 32ch; }
.site-footer h2 { color: #fff; font-family: var(--font-body); font-size: var(--fs-100); font-weight: var(--fw-x); text-transform: uppercase; letter-spacing: 0.14em; margin-bottom: var(--space-3); }
.site-footer a:hover { color: #fff; }
.site-footer__links { display: grid; gap: var(--space-2); }
.site-footer__bottom {
  margin-top: var(--space-8); padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: space-between;
  font-size: var(--fs-100); color: #948880;
}

/* ---------- 16. WHATSAPP FLOTANTE ---------- */
.wa-float {
  position: fixed; right: 18px; bottom: 18px;
  width: 56px; height: 56px;
  border-radius: var(--radius-full);
  background: #1c9e4b;
  display: grid; place-content: center;
  box-shadow: var(--shadow-md);
  z-index: var(--z-header);
  transition: transform var(--transition);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float:active { transform: scale(0.95); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- 17. UTILIDADES ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.center-cta { display: flex; margin-top: var(--space-8); }

/* Skip link — oculto hasta recibir foco por teclado */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -60px;
  z-index: calc(var(--z-header) + 1);
  background: var(--ink-900);
  color: #fff;
  padding: 0.6em 1em;
  border-radius: var(--radius-sm);
  transition: top var(--transition);
}
.skip-link:focus-visible { top: var(--space-3); }

/* ============================================================
   RESPONSIVE (mobile-first)
   ============================================================ */
@media (min-width: 40em) {
  .stats { grid-template-columns: repeat(4, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  .quote-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 48em) {
  :root { --gutter: var(--space-6); }
  .hero__inner { grid-template-columns: 1.12fr 0.88fr; }
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .work-grid { grid-template-columns: repeat(3, 1fr); }
  .split { grid-template-columns: 1.05fr 0.95fr; }
  .split--reverse .split__media { order: 2; }
  .contact-cols { grid-template-columns: 1fr 1fr; }
  .site-footer__grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; }
  .section__title { font-size: var(--fs-800); }
}

@media (max-width: 47.99em) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; left: 0; right: 0; top: 100%;
    background: var(--white);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) var(--gutter) var(--space-6);
    display: none;
    box-shadow: var(--shadow-md);
  }
  .site-nav[data-open="true"] { display: block; }
  .site-nav__list { flex-direction: column; gap: var(--space-2); font-size: var(--fs-400); }
  .site-nav__list a::after { display: none; }
  .header-actions .btn { display: none; }
  .showcase__frame { transform: none; }
  .hero-mark { width: 46vw; top: -2%; right: -8%; opacity: 0.6; }
  .cta-mark { width: 42vw; right: -4%; bottom: -6%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; scroll-behavior: auto; }
  .showcase__shot { transition: none; }
  .work:hover img { transform: none; }
}