/* PsicoAsistIA Landing v4 — "Imponente"
   Dark hero cinematográfico + secciones editoriales claras.
   Paleta de marca: teal profundo + cyan del logo. */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,500;12..96,600;12..96,700;12..96,800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --ink:        #14201c;
  --ink-2:      #33403b;
  --muted:      #66736e;
  --paper:      #fafaf6;
  --paper-2:    #f1efe8;
  --line:       #ddd9cf;
  --line-soft:  #ebe7dd;

  --deep:       #0b1f1a;      /* fondo hero */
  --deep-2:     #10312a;
  --accent:     #1f6b5e;
  --accent-2:   #133f37;
  --accent-tint:#e7f3ee;
  --cyan:       #22b8c8;
  --cyan-soft:  #dbf2f5;
  --mint:       #10b981;

  --display: 'Bricolage Grotesque', system-ui, sans-serif;
  --sans:    'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, video { max-width: 100%; }

.l4-container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }

/* ───────────────────────── NAV ───────────────────────── */
.l4-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(11, 31, 26, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: background 0.3s ease;
}
.l4-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.l4-nav .logo { display: flex; align-items: center; text-decoration: none; height: 68px; overflow: hidden; }
.l4-nav .logo img { height: 150px; margin: -45px 0; display: block; filter: brightness(0) invert(1); }
.l4-nav-links { display: flex; gap: 28px; }
.l4-nav-links a {
  color: rgba(255,255,255,0.72);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s;
}
.l4-nav-links a:hover { color: #fff; }
.l4-nav-cta { display: flex; gap: 12px; align-items: center; }

/* Botones */
.l4-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 26px;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.l4-btn:active { transform: scale(0.98); }
.l4-btn-primary {
  background: var(--cyan);
  color: #06272b;
  box-shadow: 0 8px 24px -8px rgba(34, 184, 200, 0.55);
}
.l4-btn-primary:hover { background: #35c9d8; transform: translateY(-1px); }
.l4-btn-ghost {
  background: transparent;
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.25);
}
.l4-btn-ghost:hover { border-color: rgba(255,255,255,0.55); color: #fff; }
.l4-btn-dark {
  background: var(--ink);
  color: #fff;
}
.l4-btn-dark:hover { background: var(--accent-2); transform: translateY(-1px); }
.l4-btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}
.l4-btn-outline:hover { border-color: var(--ink); }
.l4-btn.sm { padding: 9px 20px; font-size: 13.5px; }

/* ───────────────────────── HERO ───────────────────────── */
.l4-hero {
  position: relative;
  background: var(--deep);
  color: #fff;
  padding: 170px 0 0;
  overflow: hidden;
}
.l4-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 500px at 15% -10%, rgba(31, 107, 94, 0.55), transparent 65%),
    radial-gradient(1100px 600px at 85% 5%, rgba(34, 184, 200, 0.22), transparent 60%),
    radial-gradient(800px 500px at 50% 110%, rgba(34, 184, 200, 0.14), transparent 65%);
}
.l4-hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
}
.l4-hero-inner {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}
.l4-hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid rgba(34, 184, 200, 0.35);
  background: rgba(34, 184, 200, 0.08);
  color: #9fe4ec;
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.l4-hero-pill .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  animation: l4pulse 2.4s ease-in-out infinite;
}
@keyframes l4pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}
.l4-h1 {
  font-family: var(--display);
  font-size: clamp(52px, 8.2vw, 108px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin: 34px 0 0;
  font-variation-settings: 'opsz' 96;
}
.l4-h1 em {
  font-style: normal;
  background: linear-gradient(92deg, #3fd4e2 10%, #8ff0f9 55%, #3fd4e2 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.l4-hero-sub {
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.6;
  color: rgba(233, 240, 238, 0.75);
  max-width: 640px;
  margin: 28px auto 0;
}
.l4-hero-cta { display: flex; gap: 14px; justify-content: center; margin-top: 40px; flex-wrap: wrap; }
.l4-hero-cta .l4-btn { padding: 16px 34px; font-size: 16px; }
.l4-hero-trust {
  display: flex;
  gap: 28px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 34px;
  font-size: 13.5px;
  color: rgba(233, 240, 238, 0.55);
}
.l4-hero-trust span { display: inline-flex; align-items: center; gap: 8px; }
.l4-hero-trust .ck { color: var(--cyan); font-weight: 700; }

/* Screenshot imponente */
.l4-hero-shot-wrap {
  position: relative;
  max-width: 1160px;
  margin: 76px auto 0;
  padding: 0 40px;
  perspective: 1400px;
}
.l4-hero-shot {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.14);
  background: #0e2822;
  transform: rotateX(6deg);
  transform-origin: 50% 0%;
  box-shadow:
    0 0 0 1px rgba(34,184,200,0.12),
    0 -10px 80px -20px rgba(34, 184, 200, 0.35),
    0 60px 120px -40px rgba(0, 0, 0, 0.8);
}
.l4-hero-shot .bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.l4-hero-shot .bar .d { width: 11px; height: 11px; border-radius: 50%; background: rgba(255,255,255,0.18); }
.l4-hero-shot .bar .url {
  margin: 0 auto;
  font-size: 12.5px;
  color: rgba(255,255,255,0.45);
  background: rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 5px 40px;
  letter-spacing: 0.02em;
}
.l4-hero-shot img { display: block; width: 100%; height: auto; }
.l4-hero-fade {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 180px;
  background: linear-gradient(180deg, transparent, var(--deep) 92%);
  pointer-events: none;
}
.l4-shot-chip {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(11, 31, 26, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(34, 184, 200, 0.4);
  color: #c9f2f7;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 12px 32px -8px rgba(0,0,0,0.6);
  animation: l4float 5s ease-in-out infinite;
}
.l4-shot-chip.c1 { top: 6%; left: 1.5%; animation-delay: 0s; }
.l4-shot-chip.c2 { top: 30%; right: 0.5%; animation-delay: 1.4s; }
.l4-shot-chip.c3 { bottom: 34%; left: 4%; animation-delay: 2.6s; }
@keyframes l4float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}
@media (prefers-reduced-motion: reduce) {
  .l4-shot-chip { animation: none; }
  .l4-hero-pill .dot { animation: none; }
}

/* ───────────────────────── MARQUEE ───────────────────────── */
.l4-marquee {
  background: var(--deep);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 22px 0;
  overflow: hidden;
  white-space: nowrap;
}
.l4-marquee-track {
  display: inline-flex;
  gap: 0;
  animation: l4marquee 36s linear infinite;
}
.l4-marquee span {
  font-family: var(--display);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(233, 240, 238, 0.45);
  padding: 0 28px;
  display: inline-flex;
  align-items: center;
  gap: 56px;
}
.l4-marquee span::after { content: '✦'; color: rgba(34,184,200,0.6); font-size: 13px; }
@keyframes l4marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) { .l4-marquee-track { animation: none; } }

/* ───────────────────────── SECCIONES CLARAS ───────────────────────── */
.l4-section { padding: 130px 0; }
.l4-section.tinted { background: var(--paper-2); }
.l4-eyebrow {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.l4-h2 {
  font-family: var(--display);
  font-size: clamp(36px, 4.4vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 700;
  margin: 18px 0 0;
  font-variation-settings: 'opsz' 96;
}
.l4-lede {
  font-size: 18px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 560px;
  margin: 22px 0 0;
}
.l4-section-head {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 90px;
}
.l4-section-head .l4-lede { margin-top: 0; align-self: end; }

/* ───────────────────────── FEATURES ───────────────────────── */
.l4-feat {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 64px;
  align-items: center;
  padding: 84px 0;
  border-top: 1px solid var(--line-soft);
  position: relative;
}
.l4-feat:first-of-type { border-top: none; padding-top: 0; }
.l4-feat.flip { grid-template-columns: 1.22fr 0.78fr; }
.l4-feat.flip .l4-feat-text { order: 2; }
.l4-feat.flip .l4-feat-media { order: 1; }
.l4-feat-num {
  font-family: var(--display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.l4-feat-num .big {
  font-size: 44px;
  letter-spacing: -0.02em;
  color: var(--line);
  font-weight: 800;
  line-height: 1;
}
.l4-h3 {
  font-family: var(--display);
  font-size: clamp(28px, 2.8vw, 38px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 700;
  margin: 20px 0 0;
}
.l4-body { font-size: 16.5px; line-height: 1.65; color: var(--ink-2); }
.l4-feat-text .l4-body { margin-top: 16px; color: var(--muted); }
.l4-bullets {
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.l4-bullets li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-2);
}
.l4-bullets li::before {
  content: '→';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

/* Marco de ventana para media */
.l4-frame {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 2px 6px rgba(20, 32, 28, 0.04), 0 40px 80px -36px rgba(19, 63, 55, 0.35);
}
.l4-frame .bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line-soft);
}
.l4-frame .bar .d { width: 10px; height: 10px; border-radius: 50%; background: #d5d1c6; }
.l4-frame img, .l4-frame video { display: block; width: 100%; height: auto; }

/* Phone mockup (vertical screenshot, e.g. 02 · Atender) */
.l4-phone-stage {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px 0;
}
.l4-phone {
  position: relative;
  width: 300px;
  border-radius: 40px;
  padding: 12px;
  background: linear-gradient(160deg, #1a1a1a, #050505);
  box-shadow:
    0 0 0 2px rgba(255,255,255,0.06),
    inset 0 0 0 2px rgba(255,255,255,0.04),
    0 40px 90px -40px rgba(19, 63, 55, 0.55),
    0 20px 50px -30px rgba(0,0,0,0.5);
}
.l4-phone img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 30px;
}
.l4-phone-notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 22px;
  background: #050505;
  border-radius: 0 0 16px 16px;
  z-index: 4;
}
/* Focus ring over the Gboard mic icon (top-right of keyboard toolbar) */
.l4-mic-focus {
  position: absolute;
  top: 68.5%;
  right: 8.5%;
  width: 58px;
  height: 58px;
  transform: translate(50%, -50%);
  pointer-events: none;
  z-index: 5;
}
.l4-mic-focus::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid var(--cyan);
  box-shadow: 0 0 0 6px rgba(34, 184, 200, 0.18), 0 0 26px rgba(34, 184, 200, 0.5);
}
.l4-mic-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid var(--cyan);
  animation: l4micpulse 2s ease-out infinite;
}
@keyframes l4micpulse {
  0%   { transform: scale(1);   opacity: 0.9; }
  100% { transform: scale(2.2); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .l4-mic-ring { animation: none; }
}

/* Soon badge */
.l4-soon {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--cyan-soft);
  border: 1px solid rgba(34, 184, 200, 0.35);
  color: #0e7280;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}
.l4-soon .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); }

/* Opciones (módulo 06 · Supervisar) */
.l4-opts {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 26px;
}
.l4-opt {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
  background: var(--paper);
}
.l4-opt-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.l4-opt-name {
  font-family: var(--display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.l4-opt-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 11px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--accent-tint);
  color: var(--accent);
  border: 1px solid rgba(31, 107, 94, 0.22);
}
.l4-opt p { font-size: 15px; line-height: 1.55; color: var(--muted); margin: 9px 0 0; }

/* ───────────────────────── AI DARK ───────────────────────── */
.l4-ai {
  background: var(--deep);
  color: #fff;
  padding: 140px 0;
  position: relative;
  overflow: hidden;
}
.l4-ai::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(800px 400px at 80% 0%, rgba(34, 184, 200, 0.16), transparent 60%),
    radial-gradient(700px 400px at 10% 100%, rgba(31, 107, 94, 0.4), transparent 60%);
  pointer-events: none;
}
.l4-ai .l4-container { position: relative; }
.l4-ai .l4-eyebrow { color: var(--cyan); }
.l4-ai .l4-h2 { color: #fff; }
.l4-ai .l4-lede { color: rgba(233, 240, 238, 0.65); }
.l4-ai-frame {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow:
    0 0 0 1px rgba(34,184,200,0.15),
    0 0 90px -20px rgba(34, 184, 200, 0.35),
    0 50px 100px -40px rgba(0,0,0,0.7);
}
.l4-ai-frame video { display: block; width: 100%; height: auto; }
.l4-ai-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 44px;
  margin-top: 72px;
}
.l4-ai-cols h4 {
  font-family: var(--display);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 14px 0 0;
  line-height: 1.25;
  color: #fff;
}
.l4-ai-cols .tag {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}
.l4-ai-cols p {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(233, 240, 238, 0.6);
  margin: 10px 0 0;
}

/* ───────────────────────── TRUST ───────────────────────── */
.l4-trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.l4-trust-card {
  background: #fff;
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  padding: 30px 28px;
}
.l4-trust-card .ck {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--accent-tint);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
}
.l4-trust-card h4 {
  font-family: var(--display);
  font-size: 19px;
  font-weight: 600;
  margin: 16px 0 0;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.l4-trust-card p { font-size: 14.5px; line-height: 1.55; color: var(--muted); margin: 8px 0 0; }

/* Quote / origen */
.l4-origen {
  max-width: 880px;
  margin: 110px auto 0;
  text-align: center;
}
.l4-origen blockquote {
  font-family: var(--display);
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 600;
  margin: 26px 0 0;
  color: var(--ink);
}
.l4-origen blockquote em { color: var(--accent); font-style: italic; }
.l4-origen .who {
  margin-top: 26px;
  font-size: 14.5px;
  color: var(--muted);
}
.l4-origen .who strong { color: var(--ink); font-weight: 600; }

/* ───────────────────────── PRICING ───────────────────────── */
.l4-pricing-wrap {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.l4-price-card {
  margin-top: 60px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 56px 60px 48px;
  box-shadow: 0 2px 8px rgba(20,32,28,0.03), 0 44px 90px -50px rgba(19, 63, 55, 0.35);
  text-align: left;
  position: relative;
  overflow: hidden;
}
.l4-price-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
}
.l4-price-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 30px;
  flex-wrap: wrap;
}
.l4-price-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.l4-price-num {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 12px;
  font-family: var(--display);
}
.l4-price-num .cur { font-size: 26px; font-weight: 600; color: var(--muted); }
.l4-price-num .amt { font-size: 72px; font-weight: 800; letter-spacing: -0.03em; line-height: 1; }
.l4-price-num .per { font-size: 15px; color: var(--muted); font-family: var(--sans); }
.l4-price-note { font-size: 14.5px; color: var(--muted); margin-top: 10px; }
.l4-price-lists {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 48px;
  margin-top: 40px;
  padding-top: 36px;
  border-top: 1px solid var(--line-soft);
}
.l4-price-lists ul { list-style: none; margin: 0; padding: 0; }
.l4-price-lists li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.45;
}
.l4-price-lists li::before { content: '✓'; color: var(--accent); font-weight: 700; flex-shrink: 0; }
.l4-price-cta {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.l4-price-fine { font-size: 13.5px; color: var(--muted); }

/* ───────────────────────── FAQ ───────────────────────── */
.l4-faq-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.l4-faq-lista {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.l4-faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.l4-faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 16.5px;
  color: var(--ink);
}
.l4-faq-item summary::-webkit-details-marker { display: none; }
.l4-faq-item summary .mas {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--accent-tint);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 700;
  transition: transform 0.2s ease;
}
.l4-faq-item[open] summary .mas { transform: rotate(45deg); }
.l4-faq-item .resp { padding: 0 24px 20px; font-size: 15px; line-height: 1.6; color: var(--muted); }
.l4-faq-item .resp p { margin: 0; }

/* ───────────────────────── FINAL CTA ───────────────────────── */
.l4-final {
  background: var(--deep);
  color: #fff;
  padding: 150px 0 130px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.l4-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(700px 400px at 50% 0%, rgba(34, 184, 200, 0.18), transparent 65%);
  pointer-events: none;
}
.l4-final .l4-container { position: relative; }
.l4-final .l4-h2 { color: #fff; font-size: clamp(40px, 5.4vw, 72px); }
.l4-final p {
  font-size: 18px;
  line-height: 1.6;
  color: rgba(233,240,238,0.65);
  max-width: 540px;
  margin: 26px auto 0;
}
.l4-final .l4-hero-cta { margin-top: 44px; }
.l4-final-meta {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 54px;
  font-size: 13.5px;
  color: rgba(233,240,238,0.5);
}
.l4-final-meta span { display: inline-flex; gap: 8px; align-items: center; }
.l4-final-meta .ck { color: var(--cyan); font-weight: 700; }

/* ───────────────────────── FOOTER ───────────────────────── */
.l4-footer { background: var(--paper); border-top: 1px solid var(--line-soft); padding: 70px 0 0; }
.l4-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
.l4-footer .logo { display: inline-flex; align-items: center; height: 60px; overflow: hidden; }
.l4-footer .logo img { height: 190px; margin: -65px 0; display: block; }
.l4-footer .blurb { font-size: 14px; color: var(--muted); line-height: 1.6; max-width: 300px; margin-top: 18px; }
.l4-footer .col-title {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 18px;
}
.l4-footer .col-list { display: flex; flex-direction: column; gap: 12px; }
.l4-footer .col-list a { font-size: 14.5px; color: var(--ink-2); text-decoration: none; }
.l4-footer .col-list a:hover { color: var(--accent); }
.l4-footer-bottom {
  max-width: 1200px;
  margin: 60px auto 0;
  padding: 24px 40px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}

/* ───────────────────────── REVEAL ON SCROLL ───────────────────────── */
@media (prefers-reduced-motion: no-preference) {
  .l4-reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .l4-reveal.in { opacity: 1; transform: none; }
}

/* ───────────────────────── RESPONSIVE ───────────────────────── */
@media (max-width: 1000px) {
  .l4-nav-links { display: none; }
  .l4-section-head { grid-template-columns: 1fr; gap: 24px; margin-bottom: 60px; }
  .l4-feat { grid-template-columns: 1fr; gap: 36px; padding: 56px 0; }
  .l4-feat.flip { grid-template-columns: 1fr; }
  .l4-feat.flip .l4-feat-text { order: 1; }
  .l4-feat.flip .l4-feat-media { order: 2; }
  .l4-ai-cols { grid-template-columns: 1fr; gap: 32px; }
  .l4-trust-grid { grid-template-columns: 1fr 1fr; }
  .l4-footer-inner { grid-template-columns: 1fr 1fr; }
  .l4-hero { padding-top: 140px; }
}
@media (max-width: 640px) {
  .l4-container { padding: 0 24px; }
  .l4-hero-inner { padding: 0 24px; }
  .l4-hero-shot-wrap { padding: 0 16px; }
  .l4-shot-chip { display: none; }
  .l4-trust-grid { grid-template-columns: 1fr; }
  .l4-price-card { padding: 36px 28px; }
  .l4-price-lists { grid-template-columns: 1fr; }
  .l4-section { padding: 90px 0; }
  .l4-footer-inner { grid-template-columns: 1fr; }
  .l4-phone { width: 260px; }
}

/* ───────────────────────── WHATSAPP FLOTANTE ───────────────────────── */
.l4-wa-fab {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 200;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 10px 30px -6px rgba(37, 211, 102, 0.55), 0 4px 12px rgba(0,0,0,0.18);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.l4-wa-fab::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.5);
  animation: l4wa 2.6s ease-out infinite;
}
@keyframes l4wa {
  0%   { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.8); opacity: 0; }
}
.l4-wa-fab:hover { transform: translateY(-2px) scale(1.04); color: #fff; }
@media (prefers-reduced-motion: reduce) { .l4-wa-fab::before { animation: none; } }
@media (max-width: 640px) {
  .l4-wa-fab { width: 52px; height: 52px; right: 16px; bottom: 16px; }
}