/* ============================================================
   VORTEKS — Landing
   Sistema visual: navy cinematográfico, glass, teal/amber.
   ============================================================ */

:root {
  --navy-900: #0E1A30;
  --navy-800: #15243f;
  --navy-700: #1B2D4E;
  --teal: #0B7A75;
  --teal-bright: #2FBBAE;     /* teal legible sobre navy (texto/líneas) */
  --amber: #F0B429;
  --amber-soft: #f6c95a;

  --text: rgba(255, 255, 255, 0.92);
  --text-dim: rgba(255, 255, 255, 0.64);
  --text-faint: rgba(255, 255, 255, 0.40);

  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.08);
  --hairline: rgba(255, 255, 255, 0.10);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  --maxw: 1200px;
  --pad: clamp(1.25rem, 5vw, 4rem);
}

/* ----------------------------------------------------------- */
/* Reset / base                                                */
/* ----------------------------------------------------------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: auto; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  margin: 0;
  font-family: "DM Sans", system-ui, sans-serif;
  color: var(--text);
  background: var(--navy-900);
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Fondo: gradiente navy fijo + textura sutil */
.bg-field {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(120% 90% at 80% -10%, #1c3157 0%, transparent 55%),
    linear-gradient(180deg, var(--navy-900) 0%, var(--navy-700) 50%, var(--navy-900) 100%);
}
.bg-grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.035;
  background-image: radial-gradient(rgba(255,255,255,0.6) 1px, transparent 1px);
  background-size: 3px 3px;
}

/* Blobs de luz ambiental */
.blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(60px);
  z-index: -1;
  pointer-events: none;
  will-change: transform;
}
.blob--teal  { width: 46vw; height: 46vw; background: var(--teal);  opacity: 0.13; top: -8vw; left: -10vw; }
.blob--amber { width: 34vw; height: 34vw; background: var(--amber); opacity: 0.09; bottom: 4vw; right: -8vw; }
.blob--teal2 { width: 30vw; height: 30vw; background: var(--teal);  opacity: 0.08; top: 120vh; right: 20vw; }

/* ----------------------------------------------------------- */
/* Tipografía                                                  */
/* ----------------------------------------------------------- */
h1, h2, h3, .display { font-family: "Outfit", sans-serif; font-weight: 600; letter-spacing: -0.02em; line-height: 1.05; margin: 0; }
.mono { font-family: "JetBrains Mono", monospace; font-feature-settings: "tnum"; }

.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal-bright);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: var(--teal-bright);
  opacity: 0.6;
}

.section-title { font-size: clamp(2rem, 4.2vw, 3.4rem); max-width: 18ch; text-wrap: balance; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--text-dim); max-width: 56ch; text-wrap: pretty; }

/* ----------------------------------------------------------- */
/* Layout                                                      */
/* ----------------------------------------------------------- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }
section { position: relative; padding-block: clamp(5rem, 11vh, 9rem); }
.section-head { margin-bottom: clamp(2.5rem, 5vh, 4rem); display: flex; flex-direction: column; gap: 1.1rem; }

/* ----------------------------------------------------------- */
/* Glass card                                                  */
/* ----------------------------------------------------------- */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 18px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* ----------------------------------------------------------- */
/* Botones / CTA                                               */
/* ----------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: "Outfit", sans-serif; font-weight: 600;
  font-size: 1rem; line-height: 1;
  padding: 0.95rem 1.5rem; min-height: 48px;
  border-radius: 12px; cursor: pointer; text-decoration: none;
  border: 1px solid transparent;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), background .3s var(--ease);
  position: relative; white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

.btn--primary {
  background: var(--amber); color: #1a1505;
  box-shadow: 0 0 0 rgba(240,180,41,0);
}
.btn--primary::after {
  content: ""; position: absolute; inset: -40%;
  background: radial-gradient(closest-side, rgba(240,180,41,0.55), transparent 70%);
  z-index: -1; filter: blur(22px); opacity: 0.7;
  transition: opacity .4s var(--ease);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 36px -12px rgba(240,180,41,0.6); }
.btn--primary:hover::after { opacity: 1; }

.btn--ghost {
  background: rgba(255,255,255,0.04); color: var(--text);
  border-color: var(--hairline);
}
.btn--ghost:hover { background: rgba(255,255,255,0.09); transform: translateY(-2px); }

.btn--lg { padding: 1.15rem 2rem; font-size: 1.12rem; min-height: 56px; }

/* ----------------------------------------------------------- */
/* Navbar                                                      */
/* ----------------------------------------------------------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(14,26,48,0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--hairline);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.wordmark { font-family: "Outfit", sans-serif; font-weight: 700; font-size: 1.4rem; letter-spacing: 0.04em; color: #fff; text-decoration: none; }
.wordmark .dot { color: var(--amber); }
.nav__links { display: flex; gap: 1.6rem; align-items: center; }
.nav__links a {
  color: var(--text-dim); text-decoration: none; font-size: 0.92rem; font-weight: 500;
  transition: color .25s var(--ease); position: relative;
}
.nav__links a:hover { color: var(--text); }
.nav__links a:focus-visible { outline: 2px solid var(--amber); outline-offset: 4px; border-radius: 4px; }
.nav__cta { display: flex; align-items: center; gap: 0.75rem; }

.nav__burger {
  display: none; background: none; border: 1px solid var(--hairline);
  border-radius: 10px; width: 44px; height: 44px; color: #fff; cursor: pointer;
  align-items: center; justify-content: center;
}

/* Menú mobile */
.nav__mobile {
  position: fixed; inset: 72px 0 auto 0; z-index: 49;
  background: rgba(14,26,48,0.97); backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--hairline);
  display: none; flex-direction: column; padding: 1rem var(--pad) 1.6rem;
  gap: 0.25rem;
}
.nav__mobile.open { display: flex; }
.nav__mobile a { color: var(--text); text-decoration: none; padding: 0.85rem 0; border-bottom: 1px solid var(--hairline); font-size: 1.05rem; }
.nav__mobile .btn { margin-top: 1rem; justify-content: center; }

/* ----------------------------------------------------------- */
/* Hero                                                        */
/* ----------------------------------------------------------- */
.hero { padding-top: clamp(8rem, 18vh, 12rem); padding-bottom: clamp(5rem, 10vh, 8rem); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.hero h1 { font-size: clamp(2.4rem, 5.4vw, 4.6rem); margin: 1.4rem 0 1.5rem; max-width: 16ch; }
.hero h1 .word { display: inline-block; overflow: hidden; vertical-align: top; padding: 0.06em 0.16em 0.18em; margin: -0.06em -0.16em -0.18em; }
.hero h1 .word-inner { display: inline-block; }
.hero h1 em { font-style: normal; color: var(--amber); }
.hero__sub { font-size: clamp(1.05rem, 1.5vw, 1.25rem); color: var(--text-dim); max-width: 50ch; margin-bottom: 2rem; }
.hero__cta-row { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.hero__trust { margin-top: 1.4rem; font-size: 0.88rem; color: var(--text-faint); display: flex; align-items: center; gap: 0.5rem; }

/* Visual del hero: nodo / panel abstracto */
.hero__visual { position: relative; aspect-ratio: 1 / 1; display: grid; place-items: center; will-change: transform; }
.node-ring {
  position: absolute; border: 1px solid var(--hairline); border-radius: 50%;
  inset: 0; place-self: center;
}
.node-ring.r1 { width: 86%; height: 86%; }
.node-ring.r2 { width: 62%; height: 62%; border-color: rgba(47,187,174,0.25); }
.node-ring.r3 { width: 38%; height: 38%; border-color: rgba(47,187,174,0.4); }
.node-core {
  width: 96px; height: 96px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #1ea79b, var(--teal));
  box-shadow: 0 0 60px -6px rgba(47,187,174,0.7), inset 0 0 24px rgba(255,255,255,0.15);
  display: grid; place-items: center; position: relative;
}
.node-core svg { width: 42px; height: 42px; color: #eafffb; }
.node-pulse {
  position: absolute; width: 38%; height: 38%; border-radius: 50%;
  place-self: center; border: 1px solid rgba(47,187,174,0.5);
}
.node-chip {
  position: absolute; display: flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 0.8rem; border-radius: 10px; font-size: 0.8rem; font-weight: 500;
  background: rgba(14,26,48,0.8); border: 1px solid var(--hairline);
  backdrop-filter: blur(8px); white-space: nowrap;
}
.node-chip svg { width: 16px; height: 16px; }
.node-chip.c1 { top: 6%; left: 2%; color: var(--teal-bright); }
.node-chip.c2 { top: 30%; right: -4%; color: var(--amber-soft); }
.node-chip.c3 { bottom: 14%; left: -4%; color: #fff; }
.node-chip.c4 { bottom: 2%; right: 8%; color: var(--teal-bright); }

/* ----------------------------------------------------------- */
/* Stats / problema                                            */
/* ----------------------------------------------------------- */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
.stat-card { padding: 1.6rem 1.5rem; display: flex; flex-direction: column; gap: 0.6rem; min-height: 200px; }
.stat-card .num { font-family: "JetBrains Mono", monospace; font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 600; color: #fff; letter-spacing: -0.02em; }
.stat-card .num.amber { color: var(--amber); }
.stat-card .num.teal { color: var(--teal-bright); }
.stat-card .desc { font-size: 0.95rem; color: var(--text-dim); }
.footnote { font-size: 0.82rem; color: var(--text-faint); margin-top: 1.4rem; }
.problema__para { margin-top: 2rem; font-size: clamp(1.1rem, 1.8vw, 1.45rem); color: var(--text); max-width: 60ch; font-family: "Outfit", sans-serif; font-weight: 300; line-height: 1.4; }

/* ----------------------------------------------------------- */
/* Qué es VORTEKS — scrollytelling pinned                       */
/* ----------------------------------------------------------- */
.layers { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(2rem,5vw,4rem); align-items: center; min-height: 70vh; }
.layers__visual { position: relative; aspect-ratio: 4/3; display: grid; place-items: center; }
.layer-stack { position: relative; width: 78%; height: 78%; transform-style: preserve-3d; }
.layer-plate {
  position: absolute; inset: 0; border-radius: 16px;
  border: 1px solid var(--glass-border); background: var(--glass-bg);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; gap: 0.9rem; padding: 1.1rem 1.3rem;
  opacity: 0.25; transition: opacity .5s var(--ease), transform .6s var(--ease), border-color .5s var(--ease), box-shadow .5s var(--ease);
}
.layer-plate .ic { width: 44px; height: 44px; border-radius: 10px; background: rgba(47,187,174,0.12); display: grid; place-items: center; flex: none; }
.layer-plate .ic svg { width: 22px; height: 22px; color: var(--teal-bright); }
.layer-plate .lbl { font-family: "Outfit", sans-serif; font-weight: 600; font-size: 1.05rem; }
.layer-plate .tag { font-family: "JetBrains Mono", monospace; font-size: 0.7rem; color: var(--text-faint); margin-left: auto; }
.layer-plate.p1 { transform: translateY(-96px) translateX(-30px); }
.layer-plate.p2 { transform: translateY(-32px) translateX(-10px); }
.layer-plate.p3 { transform: translateY(32px)  translateX(10px); }
.layer-plate.p4 { transform: translateY(96px)  translateX(30px); }
.layer-plate.active {
  opacity: 1; border-color: rgba(47,187,174,0.45);
  box-shadow: 0 16px 50px -20px rgba(47,187,174,0.55);
}
.layer-plate.active .ic { background: rgba(47,187,174,0.22); }

.layers__text { display: grid; }
.layer-copy { grid-area: 1 / 1; opacity: 0; transform: translateY(24px); transition: opacity .5s var(--ease), transform .5s var(--ease); pointer-events: none; }
.layer-copy.active { opacity: 1; transform: none; pointer-events: auto; }
.layer-copy .idx { font-family: "JetBrains Mono", monospace; color: var(--amber); font-size: 0.85rem; letter-spacing: 0.1em; }
.layer-copy h3 { font-size: clamp(1.8rem, 3.4vw, 2.8rem); margin: 0.8rem 0 1rem; }
.layer-copy p { color: var(--text-dim); font-size: clamp(1.05rem,1.5vw,1.25rem); max-width: 44ch; }
.layer-progress { display: flex; gap: 0.5rem; margin-top: 2rem; }
.layer-progress span { height: 3px; flex: 1; background: var(--hairline); border-radius: 2px; overflow: hidden; }
.layer-progress span i { display: block; height: 100%; width: 0; background: var(--teal-bright); transition: width .4s var(--ease); }
.layer-progress span.done i { width: 100%; }

/* ----------------------------------------------------------- */
/* Cómo funciona — stepper                                     */
/* ----------------------------------------------------------- */
.stepper { position: relative; max-width: 760px; margin-inline: auto; padding-left: clamp(2.4rem, 5vw, 3.5rem); }
.stepper__line { position: absolute; left: clamp(0.9rem, 2vw, 1.4rem); top: 6px; bottom: 6px; width: 2px; background: var(--hairline); }
.stepper__line i { position: absolute; inset: 0; background: linear-gradient(var(--teal-bright), var(--amber)); transform: scaleY(0); transform-origin: top; }
.step { position: relative; padding: 1.1rem 0 2.4rem; }
.step:last-child { padding-bottom: 0; }
.step__dot {
  position: absolute; left: calc(clamp(0.9rem,2vw,1.4rem) - clamp(2.4rem,5vw,3.5rem) - 13px); /* placeholder, overridden below */
}
.step .num {
  position: absolute; left: calc(-1 * clamp(2.4rem, 5vw, 3.5rem)); top: 0.9rem;
  transform: translateX(calc(clamp(0.9rem,2vw,1.4rem) - 13px));
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--navy-700); border: 2px solid var(--hairline);
  display: grid; place-items: center; font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem; color: var(--text-dim); z-index: 2;
  transition: border-color .4s var(--ease), color .4s var(--ease), background .4s var(--ease);
}
.step.lit .num { border-color: var(--teal-bright); color: #fff; background: var(--teal); }
.step p { font-size: clamp(1.1rem, 1.9vw, 1.4rem); font-family: "Outfit", sans-serif; font-weight: 300; color: var(--text); margin: 0; line-height: 1.35; }
.stepper__close {
  margin-top: 2.6rem; padding: 1.3rem 1.5rem; display: flex; gap: 0.9rem; align-items: center;
}
.stepper__close svg { width: 26px; height: 26px; color: var(--amber); flex: none; }
.stepper__close p { font-size: 1.05rem; color: var(--text-dim); margin: 0; }
.stepper__close strong { color: #fff; font-weight: 600; }

/* ----------------------------------------------------------- */
/* Diferenciadores                                             */
/* ----------------------------------------------------------- */
.diff-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.diff-card { padding: 1.8rem 1.6rem; display: flex; flex-direction: column; gap: 1rem; transition: transform .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease); }
.diff-card:hover { transform: translateY(-6px); border-color: rgba(47,187,174,0.4); box-shadow: 0 24px 60px -28px rgba(47,187,174,0.5); }
.diff-card .ic { width: 48px; height: 48px; border-radius: 12px; background: rgba(47,187,174,0.12); display: grid; place-items: center; }
.diff-card .ic svg { width: 24px; height: 24px; color: var(--teal-bright); }
.diff-card h3 { font-size: 1.2rem; font-weight: 600; }
.diff-card p { font-size: 0.96rem; color: var(--text-dim); }

/* ----------------------------------------------------------- */
/* Piloto                                                      */
/* ----------------------------------------------------------- */
.piloto__card { padding: clamp(2rem, 4vw, 3.2rem); display: grid; grid-template-columns: 1.2fr 1fr; gap: clamp(2rem,4vw,3rem); align-items: center; }
.piloto__card p { color: var(--text-dim); font-size: clamp(1.05rem,1.5vw,1.2rem); }
.badge {
  display: inline-flex; gap: 0.7rem; align-items: flex-start;
  padding: 1.1rem 1.3rem; border-radius: 14px;
  background: rgba(240,180,41,0.08); border: 1px solid rgba(240,180,41,0.28);
}
.badge svg { width: 22px; height: 22px; color: var(--amber); flex: none; margin-top: 2px; }
.badge p { color: var(--amber-soft); font-size: 0.95rem; margin: 0; }
.piloto__meta { display: flex; flex-direction: column; gap: 1rem; }
.piloto__metric { display: flex; align-items: baseline; gap: 0.8rem; padding-bottom: 1rem; border-bottom: 1px solid var(--hairline); }
.piloto__metric .v { font-family: "JetBrains Mono", monospace; font-size: 1.9rem; color: #fff; font-weight: 600; }
.piloto__metric .k { font-size: 0.92rem; color: var(--text-dim); }

/* ----------------------------------------------------------- */
/* Ahorro / ROI                                                */
/* ----------------------------------------------------------- */
.roi { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4rem); align-items: center; }
.roi__big { font-family: "JetBrains Mono", monospace; font-size: clamp(4rem, 11vw, 8rem); font-weight: 700; color: var(--amber); line-height: 0.95; letter-spacing: -0.03em; }
.roi__big-label { color: var(--text-dim); font-size: 1.1rem; max-width: 30ch; margin-top: 0.6rem; }
.roi__note { font-size: 0.82rem; color: var(--text-faint); margin-top: 1.4rem; }
.bars { display: flex; gap: 2rem; align-items: flex-end; height: 320px; padding: 1.8rem; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 0.9rem; height: 100%; justify-content: flex-end; }
.bar { width: 100%; border-radius: 10px 10px 4px 4px; position: relative; transform-origin: bottom; transform: scaleY(0); }
.bar.trad { background: linear-gradient(180deg, #e05a4d, #b13a30); height: 100%; }
.bar.vtk  { background: linear-gradient(180deg, var(--teal-bright), var(--teal)); height: 38%; }
.bar-col .cap { font-size: 0.9rem; color: var(--text-dim); text-align: center; }
.bar-col .cap strong { display: block; color: #fff; font-family: "Outfit", sans-serif; font-size: 1rem; }

/* ----------------------------------------------------------- */
/* FAQ                                                         */
/* ----------------------------------------------------------- */
.faq { max-width: 820px; margin-inline: auto; }
.faq-item { border-bottom: 1px solid var(--hairline); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: 1.5rem 0; color: #fff; font-family: "Outfit", sans-serif; font-weight: 500;
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
}
.faq-q:focus-visible { outline: 2px solid var(--amber); outline-offset: 4px; border-radius: 6px; }
.faq-q svg { width: 22px; height: 22px; color: var(--teal-bright); flex: none; transition: transform .4s var(--ease); }
.faq-item.open .faq-q svg { transform: rotate(180deg); }
.faq-a { overflow: hidden; height: 0; }
.faq-a > div { padding: 0 0 1.5rem; color: var(--text-dim); font-size: 1.02rem; max-width: 68ch; }

/* ----------------------------------------------------------- */
/* CTA final                                                   */
/* ----------------------------------------------------------- */
.cta-final { text-align: center; }
.cta-final .glass { padding: clamp(2.6rem, 6vw, 5rem); position: relative; overflow: hidden; }
.cta-final h2 { font-size: clamp(2rem, 4.5vw, 3.6rem); max-width: 20ch; margin-inline: auto; }
.cta-final p { color: var(--text-dim); max-width: 52ch; margin: 1.2rem auto 2.2rem; font-size: 1.15rem; }
.cta-final .glow {
  position: absolute; width: 60%; height: 200px; left: 50%; bottom: -80px; transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(240,180,41,0.3), transparent 70%); filter: blur(40px);
}

/* ----------------------------------------------------------- */
/* Footer                                                      */
/* ----------------------------------------------------------- */
.footer { padding-block: 3.5rem; border-top: 1px solid var(--hairline); }
.footer__top { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; align-items: flex-start; }
.footer__brand { max-width: 32ch; }
.footer__brand .wordmark { font-size: 1.5rem; }
.footer__brand p { color: var(--text-dim); margin: 0.8rem 0 0; font-size: 0.95rem; }
.footer__meta { font-family: "JetBrains Mono", monospace; font-size: 0.85rem; color: var(--text-faint); margin-top: 0.8rem; }
.footer__links { display: flex; flex-wrap: wrap; gap: 0.9rem 1.6rem; align-items: center; }
.footer__links a { color: var(--text-dim); text-decoration: none; font-size: 0.92rem; }
.footer__links a:hover { color: var(--text); }
.footer__bottom { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--hairline); font-size: 0.82rem; color: var(--text-faint); display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* ----------------------------------------------------------- */
/* CTA sticky mobile                                           */
/* ----------------------------------------------------------- */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 45;
  padding: 0.8rem var(--pad) calc(0.8rem + env(safe-area-inset-bottom));
  background: rgba(14,26,48,0.92); backdrop-filter: blur(14px);
  border-top: 1px solid var(--hairline);
  display: none; transform: translateY(120%); transition: transform .5s var(--ease);
}
.sticky-cta.show { transform: none; }
.sticky-cta .btn { width: 100%; justify-content: center; }

/* ----------------------------------------------------------- */
/* Reveal base (JS-driven)                                     */
/* ----------------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(32px); }
.reveal.in { opacity: 1; transform: none; transition: opacity .8s var(--ease), transform .8s var(--ease); }

/* ----------------------------------------------------------- */
/* Responsive                                                  */
/* ----------------------------------------------------------- */
@media (max-width: 1024px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__cta .btn--ghost { display: none; }
  .nav__burger { display: inline-flex; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { max-width: 420px; margin-inline: auto; order: -1; }
  .layers { grid-template-columns: 1fr; min-height: auto; gap: 3rem; }
  .layers__visual { order: 2; }
  .roi { grid-template-columns: 1fr; }
  .piloto__card { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .stat-grid { grid-template-columns: 1fr; }
  .diff-grid { grid-template-columns: 1fr; }
  .bars { height: 240px; gap: 1.2rem; padding: 1rem; }
  .footer__bottom { flex-direction: column; }
  .sticky-cta { display: block; }
  body { padding-bottom: 0; }
}

/* ----------------------------------------------------------- */
/* prefers-reduced-motion                                      */
/* ----------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition-duration: 0.001s !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .layer-plate, .layer-copy { opacity: 1 !important; transform: none !important; }
  .layer-copy { position: relative; }
  .layers__text { display: block; }
  .layer-copy + .layer-copy { margin-top: 2rem; }
  .stepper__line i { transform: scaleY(1) !important; }
  .step .num { border-color: var(--teal-bright); color: #fff; }
  .bar { transform: scaleY(1) !important; }
  .blob { display: none; }
}
