/* ============================================================
   Frank Casta — CRM + IA + Sitios web
   Paleta y tratamiento (glass + bordes morados + metal) tomados
   de https://game-flax-sigma.vercel.app/ — con su reverso claro.
   Tipografía: Barlow.
   ============================================================ */

:root {
  color-scheme: dark;

  --bg: #06040e;
  --bg-soft: #0a0616;
  --panel: #0e0b1a;
  --panel2: #090714;
  --elev: #15102a;

  --accent: #7700dd;
  --accent-2: #aa44ff;
  --accent-3: #5500bb;

  --glass: rgba(119, 0, 221, 0.07);
  --glass-md: rgba(119, 0, 221, 0.13);
  --glass-hi: rgba(119, 0, 221, 0.22);
  --nav-bg: rgba(6, 4, 14, 0.88);

  --border: rgba(119, 0, 221, 0.28);
  --border-hi: rgba(170, 68, 255, 0.60);

  --t1: #f0eeff;
  --t2: #9890b8;
  --t3: #443d60;

  --r-sm: 9px;
  --r: 12px;
  --r-lg: 16px;
  --r-xl: 22px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.55), 0 1px 3px rgba(0, 0, 0, 0.7);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.65), 0 2px 6px rgba(0, 0, 0, 0.8);
  --shadow-lg: 0 8px 36px rgba(0, 0, 0, 0.75), 0 3px 10px rgba(0, 0, 0, 0.85);
  --shadow-p: 0 6px 28px rgba(119, 0, 221, 0.65), 0 2px 10px rgba(85, 0, 187, 0.45);
  --shadow-p-sm: 0 3px 14px rgba(119, 0, 221, 0.50);
  --inner-top: inset 0 1px 0 rgba(200, 150, 255, 0.12);
  --inner-bot: inset 0 -1px 0 rgba(0, 0, 0, 0.35);

  --grad-p: linear-gradient(160deg, #cc66ff 0%, #8800ee 35%, #5500aa 70%, #2d0066 100%);
  --grad-p2: linear-gradient(145deg, #bb55ff 0%, #7700dd 40%, #440099 100%);
  --grad-p3: linear-gradient(180deg, #9944dd 0%, #6600bb 50%, #3a0080 100%);
  --grad-btn: linear-gradient(160deg, #cc66ff 0%, #8800ee 40%, #5500aa 80%, #3a0080 100%);
  --grad-btn-hover: linear-gradient(160deg, #dd77ff 0%, #9900ff 40%, #6600bb 80%, #440099 100%);
  --grad-text: linear-gradient(135deg, #ffffff, #a78bfa);
  --grad-icon: linear-gradient(145deg, #6600bb 0%, #3d0080 60%, #220044 100%);

  --font: "Barlow", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --header-h: 76px;
}

:root[data-theme="light"] {
  color-scheme: light;

  --bg: #f7f4fb;
  --bg-soft: #f0e9f8;
  --panel: #ffffff;
  --panel2: #f3ecfb;
  --elev: #ffffff;

  --accent: #7700dd;
  --accent-2: #9a2fe0;
  --accent-3: #5500bb;

  --glass: rgba(119, 0, 221, 0.045);
  --glass-md: rgba(119, 0, 221, 0.08);
  --glass-hi: rgba(119, 0, 221, 0.14);
  --nav-bg: rgba(255, 255, 255, 0.82);

  --border: rgba(119, 0, 221, 0.18);
  --border-hi: rgba(119, 0, 221, 0.45);

  --t1: #1c1030;
  --t2: #6c5f88;
  --t3: #b9aed0;

  --shadow-sm: 0 2px 10px rgba(90, 40, 150, 0.10), 0 1px 3px rgba(90, 40, 150, 0.14);
  --shadow-md: 0 4px 20px rgba(90, 40, 150, 0.12), 0 2px 6px rgba(90, 40, 150, 0.16);
  --shadow-lg: 0 8px 36px rgba(90, 40, 150, 0.16), 0 3px 10px rgba(90, 40, 150, 0.18);
  --shadow-p: 0 6px 28px rgba(119, 0, 221, 0.30), 0 2px 10px rgba(85, 0, 187, 0.18);
  --shadow-p-sm: 0 3px 14px rgba(119, 0, 221, 0.22);
  --inner-top: inset 0 1px 0 rgba(255, 255, 255, 0.70);
  --inner-bot: inset 0 -1px 0 rgba(119, 0, 221, 0.06);

  --grad-text: linear-gradient(135deg, #2d0a4e, #7700dd);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--t1);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, figure, blockquote { margin: 0; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 4px;
}

.icon { flex-shrink: 0; }

.wrap {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}

/* Glow ambiental morado fijo detrás de todo el sitio (igual que el body::before de referencia) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 55% at 50% -10%, rgba(119, 0, 221, 0.25) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 10%, rgba(85, 0, 187, 0.14) 0%, transparent 50%),
    radial-gradient(ellipse 40% 35% at 0% 70%, rgba(100, 0, 200, 0.10) 0%, transparent 50%);
}
:root[data-theme="light"] body::before {
  background:
    radial-gradient(ellipse 80% 55% at 50% -10%, rgba(119, 0, 221, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 10%, rgba(85, 0, 187, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse 40% 35% at 0% 70%, rgba(100, 0, 200, 0.05) 0%, transparent 50%);
}
.site-header, main, .site-footer { position: relative; z-index: 1; }

/* Partículas moradas ascendiendo, como brasas de una fogata — fondo fijo */
.ember-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.ember {
  position: absolute;
  bottom: -12px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 6px 1px var(--accent-2), 0 0 14px 3px rgba(119, 0, 221, 0.45);
  opacity: 0;
  animation-name: ember-rise;
  animation-timing-function: ease-in;
  animation-iteration-count: infinite;
}
:root[data-theme="light"] .ember {
  background: var(--accent);
  box-shadow: 0 0 6px 1px var(--accent), 0 0 14px 3px rgba(119, 0, 221, 0.30);
}
@keyframes ember-rise {
  0% { transform: translate(0, 0); opacity: 0; }
  10% { opacity: 0.85; }
  50% { transform: translate(6px, -50vh); }
  90% { opacity: 0.2; }
  100% { transform: translate(-6px, -105vh); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .ember-field { display: none; }
}

.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2000;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
:root[data-theme="light"] .noise-overlay { opacity: 0.02; mix-blend-mode: multiply; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Typography ---------- */
.eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin: 0 0 14px;
}
.eyebrow--center { text-align: center; }

.section-title {
  font-weight: 800;
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
  max-width: 42ch;
}
.section-title--center { margin: 0 auto; text-align: center; }

/* Frase final del titular en color de acento, como remate visual */
.hero-title .fold-word:nth-child(8),
.hero-title .fold-word:nth-child(9),
.hero-title .fold-word:nth-child(10),
.hero-title .fold-word:nth-child(11) {
  color: var(--accent-2);
}

/* ---------- Despliegue de títulos al hacer scroll (fold-in) ---------- */
.hero-title .fold-word,
.section-title .fold-word {
  display: inline-block;
  perspective: 480px;
}
.hero-title .fold-piece,
.section-title .fold-piece {
  display: inline-block;
  transform-origin: 50% 0%;
  backface-visibility: hidden;
  opacity: 0;
  transform: rotateX(-85deg);
  transition: transform 0.6s var(--ease), opacity 0.5s ease;
}
.hero-title.is-fold-in .fold-piece,
.section-title.is-fold-in .fold-piece {
  opacity: 1;
  transform: rotateX(0deg);
}
@media (prefers-reduced-motion: reduce) {
  .hero-title .fold-piece,
  .section-title .fold-piece {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

.section-sub {
  margin-top: 16px;
  color: var(--t2);
  font-size: 1.05rem;
  max-width: 60ch;
}
.section-sub--center { margin-inline: auto; text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.98rem;
  white-space: nowrap;
  transition: all 0.2s var(--ease);
}
.btn-primary {
  background: var(--grad-btn);
  color: #fff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  box-shadow: var(--shadow-p), var(--inner-top), var(--inner-bot);
}
.btn-primary:hover {
  background: var(--grad-btn-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(119, 0, 221, 0.75), 0 3px 12px rgba(0, 0, 0, 0.4), var(--inner-top);
}
.btn-primary:active { transform: translateY(1px); box-shadow: 0 2px 10px rgba(119, 0, 221, 0.5), var(--inner-bot); }
.btn-outline {
  background: var(--glass);
  color: var(--t1);
  border: 1px solid var(--border);
}
.btn-outline:hover { background: var(--glass-md); border-color: var(--border-hi); transform: translateY(-2px); }
.btn-ghost {
  padding: 10px 18px;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--glass);
  color: var(--t2);
}
.btn-ghost:hover { color: var(--t1); background: var(--glass-md); border-color: var(--border-hi); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
}
/* El fondo con blur vive en un pseudo-elemento (no en .site-header) para que
   backdrop-filter no cree un containing block que rompa el position:fixed
   del menú móvil (.main-nav), que es hijo de .site-header. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--nav-bg);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand-name {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--t2);
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--t1); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--t2);
}
.theme-toggle:hover { color: var(--t1); background: var(--glass-md); border-color: var(--border-hi); }
.icon-moon-glyph { display: none; }
:root[data-theme="light"] .icon-sun-glyph { display: none; }
:root[data-theme="light"] .icon-moon-glyph { display: block; }

.nav-toggle {
  display: none;
  width: 38px; height: 38px;
  align-items: center; justify-content: center;
}
.icon-close-glyph { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu-glyph { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close-glyph { display: block; }

/* ---------- Hero ---------- */
.hero { padding: clamp(56px, 9vw, 108px) 0 clamp(48px, 7vw, 80px); position: relative; }
.hero-inner { position: relative; display: grid; gap: clamp(40px, 6vw, 64px); animation: fadeUp 0.5s var(--ease); }
.hero-copy { max-width: 62ch; }

/* ---------- Cerebro decorativo ---------- */
/* Móvil/tablet: arriba del texto, en el flujo normal. Escritorio ancho: flotando a la derecha. */
.hero-brain {
  display: block;
  order: -1;
  position: relative;
  width: min(280px, 70vw);
  aspect-ratio: 700 / 553;
  margin: 0 auto;
  pointer-events: none;
}
@media (min-width: 1200px) {
  .hero-brain {
    order: 0;
    position: absolute;
    top: -18px;
    right: 0;
    width: clamp(340px, 32vw, 480px);
    aspect-ratio: auto;
    height: clamp(268px, 25vw, 379px);
    margin: 0;
  }
}
.hero-brain-tilt {
  position: relative;
  width: 100%;
  height: 100%;
  animation: brain-float 5s ease-in-out infinite;
}
.hero-brain-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  animation: brain-glow-pulse 3.2s ease-in-out infinite;
}
@keyframes brain-glow-pulse {
  0%, 100% { filter: drop-shadow(0 0 10px rgba(170, 68, 255, 0.25)) brightness(1); }
  50% { filter: drop-shadow(0 0 24px rgba(170, 68, 255, 0.6)) brightness(1.18); }
}
@keyframes brain-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* Red neuronal superpuesta: líneas = impulsos eléctricos, círculos = sinapsis */
.brain-network {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.brain-links .brain-wire {
  fill: none;
  stroke: var(--accent-2);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
  opacity: 0.16;
}
.brain-links .brain-pulse {
  fill: none;
  stroke: var(--accent-2);
  stroke-width: 2.5;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  opacity: 0.95;
  filter: drop-shadow(0 0 4px var(--accent-2)) drop-shadow(0 0 9px rgba(170, 68, 255, 0.7));
  stroke-dasharray: 26 600;
  animation-name: brain-current;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}
@keyframes brain-current {
  to { stroke-dashoffset: -626; }
}
.brain-node {
  fill: var(--accent-2);
  transform-box: fill-box;
  transform-origin: center;
  filter: drop-shadow(0 0 4px var(--accent-2)) drop-shadow(0 0 10px rgba(119, 0, 221, 0.6));
  animation: brain-spark-twinkle 2.2s ease-in-out infinite;
}
@keyframes brain-spark-twinkle {
  0%, 100% { opacity: 0.3; transform: scale(0.7); }
  50% { opacity: 1; transform: scale(1.4); }
}
@media (prefers-reduced-motion: reduce) {
  .hero-brain-tilt { animation: none; }
  .hero-brain-img { animation: none; filter: drop-shadow(0 0 14px rgba(170, 68, 255, 0.35)); }
  .brain-links .brain-pulse { animation: none; stroke-dasharray: none; opacity: 0.35; }
  .brain-node { animation: none; opacity: 0.85; }
}
.hero-title {
  font-weight: 800;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  text-wrap: balance;
}
.hero-sub {
  margin-top: 22px;
  font-size: 1.12rem;
  color: var(--t2);
  max-width: 56ch;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 34px; }
.hero-note { margin-top: 16px; font-size: 0.86rem; font-weight: 500; color: var(--t3); }

/* ---------- Flow diagram (hero visual) ---------- */
.flow-diagram {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 28px clamp(12px, 3vw, 32px);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-md), var(--inner-top);
}
.flow-node {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  width: 128px;
  color: var(--t2);
}
.flow-icon-badge {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--glass-md);
  border: 1px solid var(--border);
  color: var(--accent-2);
  box-shadow: var(--inner-top);
}
.flow-icon-badge--active {
  background: var(--grad-btn);
  border-color: rgba(170, 68, 255, 0.5);
  color: #fff;
  box-shadow: 0 4px 16px rgba(119, 0, 221, 0.55), var(--inner-top), var(--inner-bot);
}
.flow-node span { font-size: 0.78rem; font-weight: 600; }
.flow-node--highlight { color: var(--t1); }

.flow-connector {
  position: relative;
  flex: 1 1 auto;
  height: 2px;
  min-width: 24px;
  background: linear-gradient(90deg, var(--border), var(--accent-2), var(--border));
  border-radius: 2px;
}
.flow-path-mobile { display: none; }
.flow-dot {
  position: absolute;
  top: 50%;
  left: 0;
  width: 9px; height: 9px;
  margin-top: -4.5px;
  margin-left: -4.5px;
  border-radius: 50%;
  background: var(--grad-p2);
  box-shadow: 0 0 10px var(--accent-2);
  opacity: 0;
  animation: flow-move-h 2.6s var(--ease) infinite;
}
.flow-connector:nth-of-type(2) .flow-dot { animation-delay: 0.5s; }
@keyframes flow-move-h {
  0% { left: 0%; opacity: 0; }
  15% { opacity: 1; }
  65% { opacity: 1; }
  92% { left: 92%; opacity: 0; }
  100% { left: 92%; opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .flow-dot { animation: none; opacity: 1; left: 45%; }
  .hero-inner { animation: none; }
}

/* ---------- Gap strip ---------- */
.gap-strip {
  padding: 28px 0;
  background: var(--panel);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.gap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.gap-item { font-size: 0.94rem; color: var(--t2); line-height: 1.55; }
.gap-item strong { color: var(--t1); font-weight: 700; }

/* ---------- Sections ---------- */
.section { padding: clamp(64px, 9vw, 108px) 0; }
.section--alt { background: var(--bg-soft); }

/* ---------- Services (filas alternadas texto / imagen) ---------- */
.service-row { padding: 56px 0; }
#servicio-crm { padding-top: 16px; }
.service-row + .service-row { border-top: 1px solid var(--border); }
.service-row--reverse { background: var(--bg-soft); }

.service-row-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.service-row--reverse .service-row-text { order: 2; }
.service-row--reverse .service-row-media { order: 1; }

.service-tag {
  display: inline-flex;
  padding: 3px 10px;
  border-radius: 7px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  background: var(--glass-md);
  border: 1px solid var(--border);
}
.service-row-text h3 {
  font-size: clamp(1.5rem, 2.4vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.015em;
  margin-top: 14px;
}
.service-desc { margin-top: 14px; color: var(--t2); }
.feature-list { margin-top: 24px; display: flex; flex-direction: column; gap: 13px; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.94rem;
  color: var(--t1);
}
.feature-list .icon { color: var(--accent-2); margin-top: 3px; }
.service-row-cta { margin-top: 30px; }

.media-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1.5px dashed var(--border-hi);
  border-radius: var(--r-xl);
  background: var(--glass);
  color: var(--t3);
  box-shadow: var(--inner-top);
}
.media-placeholder .icon { color: var(--accent-2); opacity: 0.7; }
.media-placeholder span { font-size: 0.82rem; font-weight: 600; text-align: center; padding: 0 16px; }

.media-shot {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-md), var(--inner-top);
}

.combo-note {
  margin-top: 32px;
  padding: 26px 32px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--glass);
  box-shadow: var(--inner-top);
}
.combo-note p { color: var(--t2); font-size: 0.98rem; max-width: 72ch; }
.combo-note strong { color: var(--t1); font-weight: 700; }

/* ---------- Process ---------- */
.process-list {
  margin-top: 52px;
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 780px;
  margin-inline: auto;
}
.process-step {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: start;
  gap: 22px;
  padding: 22px 0;
  border-top: 1px solid var(--border);
}
.process-step:first-child { border-top: none; }
.process-num {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--accent-2);
  background: var(--glass-md);
  border: 1px solid var(--border);
  box-shadow: var(--inner-top);
}
.process-step h3 { font-size: 1.2rem; font-weight: 700; }
.process-step p { margin-top: 8px; color: var(--t2); max-width: 58ch; }

/* ---------- Diferenciales ---------- */
.diff-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.diff-card {
  padding: 28px 24px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--panel);
  box-shadow: var(--shadow-sm), var(--inner-top);
  transition: all 0.22s var(--ease);
}
.diff-card:hover { border-color: var(--border-hi); transform: translateY(-2px); box-shadow: var(--shadow-md), var(--shadow-p-sm), var(--inner-top); }
.diff-card h3 { font-size: 1.08rem; font-weight: 700; }
.diff-card p { margin-top: 10px; font-size: 0.92rem; color: var(--t2); }

/* ---------- Brillo de borde interactivo (sigue el cursor) ---------- */
.btn-primary,
.diff-card {
  position: relative;
}
.btn-primary::before,
.diff-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  padding: 1.5px;
  background: radial-gradient(140px circle at var(--gx, 50%) var(--gy, 50%), var(--accent-2), transparent 70%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.btn-primary:hover::before,
.diff-card:hover::before {
  opacity: 1;
}
@media (prefers-reduced-motion: reduce) {
  .btn-primary::before,
  .diff-card::before { transition: none; }
}

/* ---------- Testimonios: carrusel infinito con bordes difuminados ---------- */
.testimonial-marquee {
  margin-top: 48px;
  width: 100%;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%);
}
.testimonial-track {
  display: flex;
  align-items: stretch;
  gap: 24px;
  width: max-content;
  padding: 4px clamp(20px, 5vw, 48px);
  animation: testimonial-scroll 46s linear infinite;
}
.testimonial-dup { display: contents; }
.testimonial-marquee:hover .testimonial-track { animation-play-state: paused; }
@keyframes testimonial-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.testimonial-card {
  width: min(340px, 82vw);
  flex-shrink: 0;
  padding: 30px 28px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm), var(--inner-top);
}
.quote-icon { color: var(--accent-2); opacity: 0.75; }
.testimonial-card blockquote {
  margin-top: 16px;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--t1);
}
.testimonial-card figcaption {
  margin-top: 18px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--t2);
}
@media (prefers-reduced-motion: reduce) {
  .testimonial-track { animation: none; }
  .testimonial-marquee { overflow-x: auto; -webkit-mask-image: none; mask-image: none; }
}
@media (max-width: 880px) {
  /* En móvil: autoscroll lento e infinito manejado por JS sobre scrollLeft
     (no la animación de transform que usa desktop), para poder pausarlo
     mientras el usuario arrastra con el dedo y luego seguir solo. Se deja
     ver un pedazo de la siguiente tarjeta para que se note que hay más. */
  .testimonial-marquee {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -webkit-mask-image: none;
    mask-image: none;
  }
  .testimonial-marquee::-webkit-scrollbar { display: none; }
  .testimonial-track { animation: none; padding-left: 20px; }
  .testimonial-card { width: min(280px, 76vw); }
}

/* ---------- CTA final ---------- */
.cta-final {
  padding: clamp(72px, 10vw, 120px) 0;
  background: var(--grad-p3);
  position: relative;
}
.cta-final-inner { text-align: center; max-width: 720px; margin-inline: auto; }
.cta-final h2 {
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.02em;
  color: #fff;
  text-wrap: balance;
}
.cta-final p { margin-top: 16px; color: rgba(255, 255, 255, 0.88); font-size: 1.08rem; }
.cta-final-actions { justify-content: center; margin-top: 32px; }
.cta-final .btn-primary { background: #14061f; box-shadow: 0 14px 30px -12px rgba(0, 0, 0, 0.5), var(--inner-top); }
.cta-final .btn-outline { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.4); color: #fff; }
.cta-final .btn-outline:hover { background: rgba(255, 255, 255, 0.16); border-color: #fff; }
.cta-email {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  padding-bottom: 2px;
}
.cta-email:hover { color: #fff; border-color: #fff; }

/* ---------- Footer ---------- */
.site-footer { padding: 64px 0 0; background: var(--bg-soft); border-top: 1px solid var(--border); }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
}
.footer-col-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t3);
  margin-bottom: 16px;
}
.footer-bio { margin-top: 18px; color: var(--t2); font-size: 0.95rem; line-height: 1.65; max-width: 42ch; }
.footer-nav, .footer-contact { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.footer-nav a, .footer-contact a { font-size: 0.92rem; font-weight: 500; color: var(--t2); }
.footer-nav a:hover, .footer-contact a:hover { color: var(--accent-2); }

.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.social-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--glass);
  border: 1px solid var(--border);
  color: var(--t2);
  transition: all 0.2s var(--ease);
}
.social-icon:hover { background: var(--glass-md); border-color: var(--border-hi); color: var(--t1); transform: translateY(-2px); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0 28px;
  border-top: 1px solid var(--border);
}
.footer-bottom p { font-size: 0.82rem; font-weight: 500; color: var(--t3); }
.footer-top-link { font-size: 0.82rem; font-weight: 600; color: var(--t2); }
.footer-top-link:hover { color: var(--accent-2); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 860px) {
  .service-row-inner { grid-template-columns: 1fr; gap: 28px; }
  .service-row--reverse .service-row-media,
  .service-row-media { order: 1; }
  .service-row--reverse .service-row-text,
  .service-row-text { order: 2; }
  .media-placeholder { aspect-ratio: 16 / 10; }
}

@media (max-width: 900px) {
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .gap-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-col--brand { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 10px; }
}

@media (max-width: 880px) {
  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 20px clamp(20px, 5vw, 48px) 32px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
    border-bottom: 1px solid var(--border);
  }
  .main-nav[data-state="open"] {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .main-nav a { width: 100%; padding: 14px 0; border-top: 1px solid var(--border); font-size: 1.05rem; }
  .main-nav a:first-child { border-top: none; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }

  /* Camino en zigzag: los 4 pasos alternan izquierda/derecha en vez de
     una columna recta, conectados por una curva continua con un pulso
     que viaja de un punto a otro (mismo lenguaje visual que el cerebro). */
  .flow-diagram { position: relative; display: block; height: 360px; padding: 40px 20px; }
  .flow-connector { display: none; }
  .flow-path-mobile { display: block; position: absolute; inset: 40px 20px; width: calc(100% - 40px); height: calc(100% - 80px); }
  .flow-wire {
    fill: none;
    stroke: var(--accent-2);
    stroke-width: 1;
    vector-effect: non-scaling-stroke;
    opacity: 0.18;
  }
  .flow-pulse {
    fill: none;
    stroke: var(--accent-2);
    stroke-width: 2.5;
    stroke-linecap: round;
    vector-effect: non-scaling-stroke;
    opacity: 0.95;
    filter: drop-shadow(0 0 4px var(--accent-2)) drop-shadow(0 0 9px rgba(170, 68, 255, 0.7));
    stroke-dasharray: 8 220;
    animation: flow-current-mobile 2.6s linear infinite;
  }
  @keyframes flow-current-mobile {
    to { stroke-dashoffset: -228; }
  }
  .flow-node {
    position: absolute;
    z-index: 1;
    flex-direction: column-reverse;
    align-items: center;
    text-align: center;
    gap: 10px;
    width: 42%;
    transform: translate(-50%, -50%);
  }
  .flow-node:nth-child(2) { top: 20%; left: 24%; }
  .flow-node:nth-child(4) { top: 40%; left: 76%; }
  .flow-node:nth-child(6) { top: 60%; left: 24%; }
  .flow-node:nth-child(8) { top: 80%; left: 76%; }
  @media (prefers-reduced-motion: reduce) {
    .flow-pulse { animation: none; opacity: 0.4; }
  }

  .process-step { grid-template-columns: 44px 1fr; }
}

@media (max-width: 560px) {
  .diff-grid { grid-template-columns: 1fr; }
  .hero-actions .btn, .cta-final-actions .btn { width: 100%; justify-content: center; }
}