/* =============================================================
   FORJA · Strength & Performance Club — Hoja de estilos
   1. Variables / tokens         6. Secciones
   2. Reset moderno              7. Animaciones (reveal, máscara, marquee)
   3. Base & tipografía         8. Responsive (mobile-first)
   4. Utilidades & layout       9. Accesibilidad / reduce-motion
   5. Componentes
   ============================================================= */

/* ===================== 1. VARIABLES / TOKENS ===================== */
:root {
  /* Paleta: obsidiana + hueso + volt (acento único) + titanio */
  --c-bg:        #0E0F12;   /* obsidiana */
  --c-surface:   #16181D;   /* carbón */
  --c-line:      #2A2D34;   /* grafito */
  --c-text:      #F4F2ED;   /* hueso */
  --c-muted:     #8A8F98;   /* gris acero */
  --c-volt:      #D4FF3D;   /* lima eléctrico */
  --c-titanium:  #B8B2A7;   /* titanio */
  --c-text-soft: rgba(244, 242, 237, 0.74);

  /* Tipografía */
  --font-display: "Archivo Black", "Arial Black", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Space Mono", "Courier New", monospace;

  /* Layout — geometría dura */
  --maxw: 1240px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 4px;
  --section-y: clamp(4.5rem, 10vw, 9rem);

  /* Movimiento — seco y preciso */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 200ms;
  --t-med: 360ms;
}

/* ===================== 2. RESET MODERNO ===================== */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
button, input, textarea, select { font: inherit; color: inherit; }
ul[class] { list-style: none; padding: 0; }
a { color: inherit; }

/* ===================== 3. BASE & TIPOGRAFÍA ===================== */
body {
  font-family: var(--font-body);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;            /* Archivo Black ya es pesado */
  line-height: 0.98;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--c-text);
}
h1 { font-size: clamp(2.6rem, 8vw, 5.5rem); }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); }
h3 { font-size: clamp(1.05rem, 1.6vw, 1.25rem); letter-spacing: 0; }

p { color: var(--c-text-soft); max-width: 62ch; }
em { font-style: normal; color: var(--c-volt); }

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--c-muted);
  margin-bottom: 1.1rem;
}
.eyebrow--volt { color: var(--c-volt); }

.index-label {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--c-volt);
  margin-bottom: 1rem;
}

::selection { background: var(--c-volt); color: var(--c-bg); }

/* ===================== 4. UTILIDADES & LAYOUT ===================== */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); }
.section--surface { background: var(--c-surface); }

.section__head { margin-bottom: clamp(2.5rem, 5vw, 4.5rem); max-width: 760px; }
.section__title { margin-bottom: 1rem; }
.section__sub { color: var(--c-muted); font-size: 1.1rem; }
.section__cta { margin-top: clamp(2.5rem, 5vw, 4rem); text-align: center; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--c-volt); color: var(--c-bg);
  padding: 0.75rem 1.25rem; font-weight: 600;
}
.skip-link:focus { left: 0; }

/* Foco visible (no depende solo del color) */
a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--c-volt);
  outline-offset: 3px;
}

/* Duotono: imágenes en escala de grises tintadas de volt, color revelado en hover */
.media {
  position: relative;
  overflow: hidden;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
}
.media img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.08) brightness(0.92);
  transition: filter var(--t-med) var(--ease), transform 600ms var(--ease);
}
.media::before {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(155deg, rgba(14,15,18,0.15), rgba(14,15,18,0.72));
}
.media::after {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: var(--c-volt); mix-blend-mode: color; opacity: 0.16;
  transition: opacity var(--t-med) var(--ease);
}

/* ===================== 5. COMPONENTES ===================== */

/* --- Botones --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.9rem 1.7rem;
  font-family: var(--font-body); font-weight: 600; font-size: 0.95rem;
  letter-spacing: 0.01em; text-decoration: none; cursor: pointer;
  border: 1.5px solid transparent; border-radius: var(--radius);
  transition: background-color var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}
.btn--lg { padding: 1.05rem 2rem; font-size: 1rem; }

.btn--volt { background: var(--c-volt); color: var(--c-bg); }
.btn--volt:hover { background: #e4ff66; transform: translateY(-2px); }

.btn--outline { background: transparent; color: var(--c-text); border-color: var(--c-line); }
.btn--outline:hover { border-color: var(--c-volt); color: var(--c-volt); transform: translateY(-2px); }

/* --- Marca --- */
.brand {
  font-family: var(--font-display); font-size: 1.35rem; letter-spacing: 0.02em;
  text-transform: uppercase; text-decoration: none; color: var(--c-text);
}
.brand__mark { color: var(--c-volt); }

/* --- Header --- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background-color var(--t-med) var(--ease),
              border-color var(--t-med) var(--ease),
              backdrop-filter var(--t-med) var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(14, 15, 18, 0.82);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--c-line);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; padding-block: 1.05rem; }

/* --- Navegación --- */
.nav__list { display: flex; align-items: center; gap: 0.3rem; }
.nav__link {
  display: inline-flex; align-items: baseline; gap: 0.4rem;
  text-decoration: none; color: var(--c-text-soft);
  font-size: 0.95rem; font-weight: 500;
  padding: 0.5rem 0.85rem; border-radius: var(--radius);
  transition: color var(--t-fast);
}
.nav__link:hover { color: var(--c-volt); }
.nav__idx { font-family: var(--font-mono); font-size: 0.7rem; color: var(--c-muted); }
.nav__cta { margin-left: 0.6rem; }

.nav-toggle {
  display: none; flex-direction: column; gap: 6px;
  width: 44px; height: 44px; align-items: center; justify-content: center;
  background: transparent; border: none; cursor: pointer; z-index: 120;
}
.nav-toggle__bar { width: 26px; height: 2px; background: var(--c-text); transition: transform var(--t-med) var(--ease), opacity var(--t-fast); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }

/* ===================== 6. SECCIONES ===================== */

/* --- Hero --- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: flex-end;
  overflow: hidden;
  padding-bottom: clamp(3rem, 8vh, 6rem);
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__bg img {
  width: 100%; height: 115%; object-fit: cover;
  filter: grayscale(1) contrast(1.1) brightness(0.55);
  will-change: transform;
}
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(14,15,18,0.55) 0%, rgba(14,15,18,0.2) 35%, rgba(14,15,18,0.95) 100%),
    radial-gradient(120% 80% at 100% 0%, rgba(212,255,61,0.10), transparent 55%);
}
.hero__inner { position: relative; z-index: 2; width: 100%; }
.hero__title { margin-bottom: 1.6rem; }
.hero__lead { font-size: 1.2rem; color: var(--c-text); max-width: 46ch; margin-bottom: 2.2rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.hero__scroll {
  display: inline-flex; align-items: center; gap: 0.6rem;
  margin-top: 3rem; text-decoration: none;
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--c-muted);
}
.hero__scroll-line { width: 48px; height: 1px; background: var(--c-volt); transform-origin: left; animation: scrollLine 2.2s var(--ease) infinite; }
@keyframes scrollLine { 0%,100% { transform: scaleX(0.3); opacity: 0.4; } 50% { transform: scaleX(1); opacity: 1; } }

/* --- Trust strip --- */
.trust { border-block: 1px solid var(--c-line); }
.trust__grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
}
.trust__item {
  display: flex; flex-direction: column; gap: 0.2rem;
  padding: 1.6rem 1rem; text-align: center;
  border-bottom: 1px solid var(--c-line);
}
.trust__item:nth-child(odd) { border-right: 1px solid var(--c-line); }
.trust__num { font-family: var(--font-display); font-size: clamp(1.4rem, 3vw, 2rem); color: var(--c-text); }
.trust__num--volt { color: var(--c-volt); }
.trust__label { font-family: var(--font-mono); font-size: 0.78rem; color: var(--c-muted); text-transform: uppercase; letter-spacing: 0.06em; }

/* --- Manifiesto --- */
.manifesto__title { font-size: clamp(1.9rem, 5vw, 4rem); margin-bottom: 1.5rem; }
.manifesto__text { font-size: 1.15rem; max-width: 56ch; }

/* --- Marquee --- */
.marquee {
  margin-top: clamp(3rem, 7vw, 6rem);
  display: flex; overflow: hidden; user-select: none;
  border-block: 1px solid var(--c-line);
  padding-block: 1.1rem;
}
.marquee__track {
  display: flex; align-items: center; flex-shrink: 0;
  gap: 1.5rem; padding-left: 1.5rem;
  animation: marquee 28s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee span {
  font-family: var(--font-display); text-transform: uppercase;
  font-size: clamp(1.6rem, 4vw, 3rem); color: var(--c-text);
}
.marquee i { color: var(--c-volt); font-style: normal; font-size: clamp(1.6rem, 4vw, 3rem); }
@keyframes marquee { to { transform: translateX(-100%); } }

/* --- Programas --- */
.programs__grid { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); }
.program { background: var(--c-bg); display: flex; flex-direction: column; }
.program .media { aspect-ratio: 4 / 3; border: none; border-bottom: 1px solid var(--c-line); }
.program:hover .media img { filter: grayscale(0) contrast(1.02); transform: scale(1.05); }
.program:hover .media::after { opacity: 0; }
.program__body { padding: 1.75rem; }
.program__num { font-family: var(--font-mono); font-size: 0.85rem; color: var(--c-volt); }
.program__title { margin: 0.5rem 0 0.7rem; }
.program__text { color: var(--c-text-soft); }

/* --- Método --- */
.method__steps { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); }
.method__step { background: var(--c-surface); padding: 2rem 1.75rem; }
.method__num { font-family: var(--font-display); font-size: 2.4rem; color: var(--c-volt); display: block; line-height: 1; }
.method__title { margin: 0.8rem 0 0.6rem; }
.method__text { color: var(--c-text-soft); }

/* --- Resultados: métricas --- */
.metrics { border-block: 1px solid var(--c-line); margin-block: clamp(1rem, 3vw, 2rem); }
.metrics__grid { display: grid; grid-template-columns: repeat(2, 1fr); }
.metric {
  text-align: center; padding: 2.2rem 1rem;
  border-bottom: 1px solid var(--c-line);
}
.metric:nth-child(odd) { border-right: 1px solid var(--c-line); }
.metric__num { display: block; font-family: var(--font-mono); font-weight: 700; font-size: clamp(2.2rem, 6vw, 3.4rem); color: var(--c-volt); line-height: 1; }
.metric__label { font-family: var(--font-mono); font-size: 0.8rem; color: var(--c-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-top: 0.5rem; display: block; }

/* --- Resultados: transformaciones --- */
.transforms { display: grid; grid-template-columns: 1fr; gap: 1.25rem; margin-top: clamp(2rem, 5vw, 3.5rem); }
.transform { position: relative; }
.transform .media { aspect-ratio: 6 / 7; }
.transform:hover .media img { filter: grayscale(0); transform: scale(1.04); }
.transform:hover .media::after { opacity: 0; }
.transform__data { position: absolute; inset: auto 0 0 0; z-index: 3; padding: 1.25rem; }
.transform__tag { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-bg); background: var(--c-volt); padding: 0.2rem 0.55rem; border-radius: 2px; }
.transform__result { font-family: var(--font-display); text-transform: uppercase; font-size: 1.1rem; color: var(--c-text); margin-top: 0.7rem; line-height: 1.1; }
.transform__result strong { color: var(--c-volt); }
.transform__meta { font-family: var(--font-mono); font-size: 0.8rem; color: var(--c-muted); margin-top: 0.3rem; }
.results__disclaimer { font-size: 0.85rem; color: var(--c-muted); margin-top: 1.25rem; max-width: none; }

.quote { margin-top: clamp(2.5rem, 5vw, 4rem); max-width: 820px; border-left: 2px solid var(--c-volt); padding-left: clamp(1.25rem, 3vw, 2rem); }
.quote__text { font-family: var(--font-display); text-transform: none; font-size: clamp(1.2rem, 2.5vw, 1.7rem); line-height: 1.25; color: var(--c-text); max-width: none; }
.quote__author { font-family: var(--font-mono); font-size: 0.82rem; color: var(--c-muted); margin-top: 1rem; }

/* --- Coaches --- */
.coaches__grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.coach__media { aspect-ratio: 5 / 6; }
.coach:hover .media img { filter: grayscale(0); transform: scale(1.04); }
.coach:hover .media::after { opacity: 0; }
.coach__body { padding-top: 1.1rem; }
.coach__name { margin-bottom: 0.3rem; }
.coach__role { color: var(--c-text); font-weight: 600; font-size: 0.95rem; }
.coach__creds { font-family: var(--font-mono); font-size: 0.8rem; color: var(--c-muted); margin-top: 0.4rem; }

/* --- Membresías --- */
.plans__grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
.plan {
  background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: 2rem 1.75rem;
  display: flex; flex-direction: column;
}
.plan--featured { border-color: var(--c-volt); position: relative; }
.plan__badge {
  position: absolute; top: -0.7rem; left: 1.75rem;
  font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em;
  background: var(--c-volt); color: var(--c-bg); padding: 0.25rem 0.7rem; border-radius: 2px;
}
.plan__name { font-size: 1.2rem; margin-bottom: 1rem; }
.plan__price { display: flex; align-items: baseline; gap: 0.4rem; margin-bottom: 1.1rem; }
.plan__from { font-family: var(--font-mono); font-size: 0.8rem; color: var(--c-muted); text-transform: uppercase; }
.plan__amount { font-family: var(--font-display); font-size: 2.4rem; color: var(--c-text); }
.plan__period { font-family: var(--font-mono); font-size: 0.9rem; color: var(--c-muted); }
.plan__desc { color: var(--c-text-soft); margin-bottom: 1.25rem; }
.plan__features { display: grid; gap: 0.6rem; margin-bottom: 1.75rem; flex-grow: 1; }
.plan__features li { position: relative; padding-left: 1.4rem; color: var(--c-text-soft); font-size: 0.95rem; }
.plan__features li::before { content: "—"; position: absolute; left: 0; color: var(--c-volt); }
.plan__cta { width: 100%; }
.plans__scarcity { text-align: center; margin-top: 2rem; font-family: var(--font-mono); font-size: 0.9rem; color: var(--c-muted); max-width: none; }
.plans__scarcity strong { color: var(--c-volt); }

/* --- Evaluación / CTA final --- */
.evaluation {
  padding-block: var(--section-y);
  background:
    radial-gradient(100% 120% at 0% 0%, rgba(212,255,61,0.08), transparent 50%),
    var(--c-surface);
  border-top: 1px solid var(--c-line);
}
.evaluation__inner { display: grid; grid-template-columns: 1fr; gap: clamp(2.5rem, 5vw, 4rem); align-items: start; }
.evaluation__title { font-size: clamp(2rem, 4.5vw, 3.2rem); margin-bottom: 1rem; }
.evaluation__text { font-size: 1.1rem; margin-bottom: 1.75rem; }
.evaluation__includes { display: grid; gap: 0.75rem; }
.evaluation__includes li { position: relative; padding-left: 1.6rem; color: var(--c-text); }
.evaluation__includes li::before { content: "✓"; position: absolute; left: 0; color: var(--c-volt); font-weight: 700; }

/* Formulario */
.apply-form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem;
  background: var(--c-bg); border: 1px solid var(--c-line);
  border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 2.25rem);
}
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 0.9rem; font-weight: 600; }
.field__opt { font-weight: 400; color: var(--c-muted); }
.field input, .field textarea, .field select {
  padding: 0.85rem 1rem; background: var(--c-surface);
  border: 1.5px solid var(--c-line); border-radius: var(--radius);
  color: var(--c-text); transition: border-color var(--t-fast);
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--c-volt); }
.field--check { flex-direction: row; align-items: center; gap: 0.6rem; font-size: 0.9rem; }
.field--check input { width: 18px; height: 18px; accent-color: var(--c-volt); }
.field--check a { color: var(--c-volt); }
.form-feedback { grid-column: 1 / -1; margin: 0; font-weight: 600; color: var(--c-volt); font-family: var(--font-mono); font-size: 0.9rem; }
.form-feedback.is-error { color: #ff6b5a; }

/* --- Footer --- */
.site-footer { border-top: 1px solid var(--c-line); padding-top: clamp(3rem, 6vw, 4.5rem); }
.footer__grid { display: grid; grid-template-columns: 1fr; gap: 2.25rem; padding-bottom: 2.5rem; }
.brand--footer { font-size: 1.6rem; }
.footer__tagline { margin-top: 0.9rem; color: var(--c-muted); }
.footer__title { font-family: var(--font-mono); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--c-muted); margin-bottom: 1rem; }
.footer__list { display: grid; gap: 0.55rem; }
.footer__list a { color: var(--c-text-soft); text-decoration: none; transition: color var(--t-fast); }
.footer__list a:hover { color: var(--c-volt); }
.footer__list li { color: var(--c-text-soft); }
.footer__bottom {
  display: flex; flex-direction: column; gap: 0.75rem;
  padding-block: 1.5rem; border-top: 1px solid var(--c-line);
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--c-muted);
}
.footer__legal { display: flex; flex-wrap: wrap; gap: 1.2rem; }
.footer__legal a { color: var(--c-muted); text-decoration: none; }
.footer__legal a:hover { color: var(--c-volt); }

/* --- CTA sticky móvil --- */
.mobile-cta { display: none; }

/* ===================== 7. ANIMACIONES ===================== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

/* Reveal con máscara (efecto cortina hacia arriba) para titulares */
.mask-reveal { clip-path: inset(0 0 102% 0); transform: translateY(0.25em); transition: clip-path 0.85s var(--ease), transform 0.85s var(--ease); }
.mask-reveal.is-visible { clip-path: inset(0 0 -10% 0); transform: none; }

/* Hero: líneas con máscara individual */
.mask-line { display: block; overflow: hidden; }
.mask-line > span { display: block; transform: translateY(110%); transition: transform 0.9s var(--ease); }
.mask-line.is-visible > span { transform: none; }

/* ===================== 8. RESPONSIVE (mobile-first → min-width) ===================== */
@media (min-width: 640px) {
  .programs__grid { grid-template-columns: repeat(2, 1fr); }
  .transforms { grid-template-columns: repeat(3, 1fr); }
  .coaches__grid { grid-template-columns: repeat(3, 1fr); }
  .plans__grid { grid-template-columns: repeat(3, 1fr); }
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .trust__grid { grid-template-columns: repeat(4, 1fr); }
  .trust__item { border-right: 1px solid var(--c-line); border-bottom: none; }
  .trust__item:last-child { border-right: none; }
  .programs__grid { grid-template-columns: repeat(4, 1fr); }
  .method__steps { grid-template-columns: repeat(4, 1fr); }
  .metrics__grid { grid-template-columns: repeat(4, 1fr); }
  .metric { border-right: 1px solid var(--c-line); border-bottom: none; }
  .metric:last-child { border-right: none; }
  .evaluation__inner { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; }
}

/* Navegación móvil full-screen */
@media (max-width: 959px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; inset: 0; background: var(--c-bg);
    display: flex; align-items: center; justify-content: center;
    transform: translateX(100%); transition: transform var(--t-med) var(--ease);
    z-index: 110;
  }
  .nav.is-open { transform: translateX(0); }
  .nav__list { flex-direction: column; gap: 1.5rem; text-align: center; }
  .nav__link { font-family: var(--font-display); text-transform: uppercase; font-size: 1.8rem; color: var(--c-text); }
  .nav__idx { font-size: 0.85rem; }
  .nav__cta { margin-left: 0; margin-top: 0.5rem; font-size: 1rem; }
  body.nav-open { overflow: hidden; }
}

@media (max-width: 520px) {
  .apply-form { grid-template-columns: 1fr; }
}

/* CTA sticky móvil */
@media (max-width: 720px) {
  .mobile-cta {
    display: grid; grid-template-columns: 1.5fr 1fr; gap: 0.6rem;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
    padding: 0.7rem 0.85rem calc(0.7rem + env(safe-area-inset-bottom, 0px));
    background: rgba(14, 15, 18, 0.92); backdrop-filter: blur(12px);
    border-top: 1px solid var(--c-line);
  }
  .mobile-cta__btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
    padding: 0.9rem 0.5rem; border-radius: var(--radius);
    font-weight: 600; font-size: 0.88rem; text-decoration: none;
  }
  .mobile-cta__btn svg { width: 18px; height: 18px; flex-shrink: 0; }
  .mobile-cta__btn--primary { background: var(--c-volt); color: var(--c-bg); }
  .mobile-cta__btn--whatsapp { background: #25D366; color: #fff; }
  body { padding-bottom: 5.25rem; }
}

/* ===================== 9. ACCESIBILIDAD / REDUCE-MOTION ===================== */
/* Badge "Portfolio Demo" — editorial premium */
.demo-banner {
  position: fixed; left: 1.25rem; bottom: 1.25rem; z-index: 80;
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--c-volt);
  background: rgba(14, 15, 18, 0.7);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  border: 1px solid var(--c-line); border-left: 2px solid var(--c-volt);
  padding: 0.5rem 0.9rem; border-radius: 2px;
}
@media (max-width: 720px) { .demo-banner { left: 0.85rem; bottom: 5.6rem; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal, .mask-reveal { opacity: 1; transform: none; clip-path: none; }
  .mask-line > span { transform: none; }
  .marquee__track { animation: none; }
  .hero__bg img { height: 100%; }
}