/* ============================================================
   SERTEV — Landing
   Design system + components + animations
   ============================================================ */

:root {
  /* Brand */
  --c-primary:        #FF6B2B;  /* acento vibrante (dots, iconos, gradientes de texto) */
  --c-primary-deep:   #E54B0F;
  --c-primary-soft:   #FFB783;
  --c-primary-tint:   #FFF1EB;
  --c-primary-glow:   rgba(255, 107, 43, 0.20);
  /* Color de acción para superficies con texto blanco (contraste AA) */
  --c-action:         #D6480F;
  --c-action-deep:    #B83B0B;

  /* Neutrals (warm grays — combina mejor con naranja) */
  --c-bg:        #FFFFFF;
  --c-bg-alt:    #FAFAF9;
  --c-bg-mute:   #F5F5F4;
  --c-bg-dark:   #0B0B0C;
  --c-bg-elev:   #161618;
  --c-bg-rise:   #1F1F22;

  --c-fg:        #18181B;
  --c-fg-soft:   #44403C;
  --c-fg-mute:   #78716C;
  --c-fg-faint:  #A8A29E;

  --c-on-dark:        #FAFAF9;
  --c-on-dark-soft:   #D6D3D1;
  --c-on-dark-mute:   #A8A29E;

  --c-border:        #E7E5E4;
  --c-border-soft:   #F2EFED;
  --c-border-dark:   #28282B;

  /* Typography */
  --ff-display: 'Clash Display', 'Inter Tight', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --ff-body:    'Satoshi', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;

  /* Type scale (fluid) */
  --fs-eyebrow: 12px;
  --fs-body:    16px;
  --fs-lead:    clamp(17px, 1.6vw, 20px);
  --fs-h3:      clamp(20px, 2.2vw, 26px);
  --fs-h2:      clamp(32px, 4.5vw, 56px);
  --fs-h1:      clamp(34px, 4.6vw, 62px);
  --fs-metric:  clamp(28px, 3.5vw, 44px);

  --lh-tight:   1.04;
  --lh-snug:    1.2;
  --lh-base:    1.55;

  --ls-tight:   -0.025em;
  --ls-extra:   -0.045em;

  /* Spacing */
  --gutter:     clamp(20px, 4vw, 32px);
  --section-y:  clamp(72px, 10vw, 140px);
  --maxw:       1200px;

  /* Radius */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 30px;
  --r-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 1px 2px rgba(10,10,10,0.06);
  --shadow-md:   0 4px 20px -4px rgba(10,10,10,0.08), 0 2px 8px -2px rgba(10,10,10,0.04);
  --shadow-lg:   0 32px 64px -16px rgba(10,10,10,0.12), 0 12px 28px -8px rgba(10,10,10,0.08);
  --shadow-glow: 0 0 0 1px var(--c-primary-glow), 0 16px 48px -12px var(--c-primary-glow);

  /* Motion */
  --ease:       cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-back:  cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast:     180ms;
  --t-base:     340ms;
  --t-slow:     700ms;
}

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  color: var(--c-fg);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; font-family: var(--ff-display); font-weight: 700; letter-spacing: var(--ls-tight); line-height: var(--lh-tight); }
p { margin: 0; }
::selection { background: var(--c-primary); color: #fff; }

/* Focus visible (navegación por teclado) */
:focus-visible {
  outline: 2px solid var(--c-action);
  outline-offset: 3px;
  border-radius: 6px;
}
.btn:focus-visible { outline-offset: 4px; }
a:focus-visible { outline-offset: 4px; }
/* Quitar el outline solo cuando NO es navegación por teclado */
:focus:not(:focus-visible) { outline: none; }

/* ============================================================
   PRIMITIVOS
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.muted { color: var(--c-fg-mute); font-weight: 600; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.12em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--c-fg-soft);
}
.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--c-primary);
  box-shadow: 0 0 0 4px rgba(255,107,43,0.15);
  animation: pulse 2.4s var(--ease) infinite;
}
.eyebrow--dark { color: var(--c-on-dark-mute); }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(255,107,43,0.15); }
  50%      { box-shadow: 0 0 0 7px rgba(255,107,43,0.05); }
}

.section-head { margin-bottom: clamp(40px, 6vw, 72px); max-width: 780px; }
.section-title {
  font-size: var(--fs-h2);
  margin-top: 14px;
}
.section-title--dark { color: var(--c-on-dark); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  --btn-bg: var(--c-fg);
  --btn-fg: var(--c-on-dark);
  --btn-border: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--r-full);
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-border);
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
  white-space: nowrap;
  cursor: pointer;
  position: relative;
  isolation: isolate;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  --btn-bg: var(--c-action);
  --btn-fg: #fff;
  box-shadow: 0 8px 20px -8px var(--c-primary-glow), inset 0 1px 0 rgba(255,255,255,0.18);
}
.btn--primary:hover { --btn-bg: var(--c-action-deep); box-shadow: 0 12px 28px -10px rgba(214,72,15,0.55); }

.btn--ghost { --btn-bg: transparent; --btn-fg: var(--c-fg); --btn-border: var(--c-border); }
.btn--ghost:hover { --btn-bg: var(--c-bg-mute); }

.btn--soft { --btn-bg: var(--c-primary-tint); --btn-fg: var(--c-action); --btn-border: transparent; }
.btn--soft:hover { --btn-bg: #FFE0CC; }

.btn--outline-light { --btn-bg: transparent; --btn-fg: var(--c-on-dark); --btn-border: rgba(255,255,255,0.20); }
.btn--outline-light:hover { --btn-bg: rgba(255,255,255,0.08); --btn-border: rgba(255,255,255,0.32); }

.btn--lg { padding: 16px 26px; font-size: 16px; }
.btn--sm { padding: 9px 16px; font-size: 14px; }
.btn--block { width: 100%; }

/* ============================================================
   NAV
   ============================================================ */
/* Por defecto (arriba, sobre el hero oscuro): transparente + texto claro */
.nav {
  position: sticky; top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-base) var(--ease), background var(--t-base) var(--ease), backdrop-filter var(--t-base) var(--ease);
}
/* Con scroll (o menú abierto): barra blanca + texto oscuro */
.nav.is-scrolled, .nav.is-open {
  border-bottom-color: var(--c-border);
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(1.4) blur(12px);
  -webkit-backdrop-filter: saturate(1.4) blur(12px);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav__brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.nav__mark { height: 44px; width: 44px; display: block; }
/* Swap de símbolo según fondo */
.nav__mark--light { display: none; }
.nav.is-scrolled .nav__mark--dark,
.nav.is-open .nav__mark--dark { display: none; }
.nav.is-scrolled .nav__mark--light,
.nav.is-open .nav__mark--light { display: block; }
/* Wordmark en tipografía display */
.nav__wordmark {
  font-family: var(--ff-body);
  font-weight: 700;
  font-size: 38px;
  line-height: 1;
  letter-spacing: -0.012em;
  color: var(--c-on-dark);
  transition: color var(--t-base) var(--ease);
  -webkit-font-smoothing: antialiased;
}
.nav.is-scrolled .nav__wordmark,
.nav.is-open .nav__wordmark { color: var(--c-fg); }
/* punto acento de marca — naranja en cualquier fondo */
.brand-dot { color: #FF6B2B; }
@media (max-width: 420px) {
  .nav__mark { height: 40px; width: 40px; }
  .nav__wordmark { font-size: 34px; }
}

.nav__links {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 500;
}
/* Solo los enlaces (no el botón) toman el color adaptativo del nav */
.nav__links a:not(.btn) {
  padding: 8px 14px;
  border-radius: var(--r-full);
  color: rgba(255,255,255,0.82);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.nav__links a:not(.btn):hover { color: #fff; background: rgba(255,255,255,0.12); }
.nav.is-scrolled .nav__links a:not(.btn), .nav.is-open .nav__links a:not(.btn) { color: var(--c-fg-soft); }
.nav.is-scrolled .nav__links a:not(.btn):hover,
.nav.is-open .nav__links a:not(.btn):hover { color: var(--c-fg); background: var(--c-bg-mute); }

.nav__burger {
  display: none;
  position: relative;
  width: 42px; height: 42px;
  border-radius: var(--r-full);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  padding: 0;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.nav__burger span {
  position: absolute;
  left: 11px; right: 11px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform .32s var(--ease-back), opacity .2s var(--ease), width .32s var(--ease), background var(--t-fast) var(--ease);
}
.nav__burger span:nth-child(1) { top: 15px; }
.nav__burger span:nth-child(2) { top: 20px; right: 15px; }  /* línea media un poco más corta (moderno) */
.nav__burger span:nth-child(3) { top: 25px; }
/* Abierto → X */
.nav.is-open .nav__burger span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.nav.is-open .nav__burger span:nth-child(2) { opacity: 0; transform: translateX(8px); }
.nav.is-open .nav__burger span:nth-child(3) { top: 20px; right: 11px; transform: rotate(-45deg); }
/* Colores adaptativos: claro sobre hero oscuro, oscuro al scrollear/abrir */
.nav.is-scrolled .nav__burger, .nav.is-open .nav__burger {
  background: var(--c-bg-mute);
  border-color: var(--c-border);
}
.nav.is-scrolled .nav__burger span, .nav.is-open .nav__burger span { background: var(--c-fg); }

@media (max-width: 820px) {
  .nav__links { display: none; }
  .nav__burger { display: block; }
  .nav.is-open .nav__links {
    display: flex; flex-direction: column;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--c-bg);
    padding: 20px;
    border-bottom: 1px solid var(--c-border);
    align-items: stretch;
  }
  .nav.is-open .nav__links a { padding: 14px 16px; border-radius: var(--r-md); }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  /* margin-top negativo = el hero sube DEBAJO del nav sticky (~73px),
     así su fondo oscuro llena el header transparente (sin sliver blanco arriba) */
  margin-top: -74px;
  padding: clamp(106px, 13vw, 152px) 0 clamp(48px, 6vw, 80px);
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(170deg, #0B0B0C 0%, #131316 60%, #0E0E10 100%);
  color: var(--c-on-dark);
}
/* Patrón de puntos sutil de fondo (claro sobre oscuro, fade hacia abajo) */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  z-index: -2;
  background-image: radial-gradient(circle at center, rgba(255,255,255,0.06) 1.3px, transparent 1.9px);
  background-size: 26px 26px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 92%);
  mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 92%);
  pointer-events: none;
}

.hero__mesh {
  position: absolute; inset: -10% -10%;
  z-index: -1;
  filter: blur(60px);
  opacity: 0.5;
  pointer-events: none;
}
@media (max-width: 768px) {
  .hero__mesh { filter: blur(48px); opacity: 0.4; }
  .mesh-blob { animation: none !important; }
}
.mesh-blob {
  position: absolute;
  width: 50vw; height: 50vw; max-width: 720px; max-height: 720px;
  border-radius: 50%;
  will-change: transform;
}
.mesh-blob--1 {
  top: -10%; left: -8%;
  background: radial-gradient(circle at 30% 30%, var(--c-primary) 0%, transparent 60%);
  animation: blob-1 22s var(--ease) infinite alternate;
}
.mesh-blob--2 {
  top: 10%; right: -15%;
  background: radial-gradient(circle at 60% 40%, #FF7A3D 0%, transparent 60%);
  animation: blob-2 18s var(--ease) infinite alternate;
}
.mesh-blob--3 {
  bottom: -20%; left: 30%;
  background: radial-gradient(circle at 50% 50%, var(--c-primary-soft) 0%, transparent 65%);
  animation: blob-3 26s var(--ease) infinite alternate;
}
@keyframes blob-1 { to { transform: translate(20%, 15%) scale(1.15); } }
@keyframes blob-2 { to { transform: translate(-15%, 20%) scale(1.1); } }
@keyframes blob-3 { to { transform: translate(10%, -25%) scale(1.2); } }

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  align-items: center;
  column-gap: clamp(32px, 5vw, 64px);
  row-gap: clamp(24px, 4vw, 44px);
}
.hero__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  min-width: 0;
}

.hero__title {
  font-size: var(--fs-h1);
  letter-spacing: -0.012em;
  line-height: 1.05;
  font-weight: 700;
  margin-top: 4px;
  color: var(--c-on-dark);
}

@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { order: 3; width: 100%; max-width: 520px; }
}
.hero__title .word { display: inline-block; }
.hero__title em {
  font-style: normal;
  background: linear-gradient(110deg, var(--c-primary) 0%, var(--c-primary-deep) 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__lead {
  font-size: var(--fs-lead);
  max-width: 640px;
  color: var(--c-on-dark-soft);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.hero__metrics {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 8px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.12);
  width: 100%;
  max-width: 760px;
}
.metric strong {
  display: block;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: var(--fs-metric);
  letter-spacing: var(--ls-tight);
  line-height: 1;
  background: linear-gradient(120deg, #FFFFFF 30%, var(--c-primary) 115%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.metric span { font-size: 13px; color: var(--c-on-dark-mute); display: block; margin-top: 6px; }

@media (max-width: 600px) {
  .hero__metrics { grid-template-columns: repeat(2, 1fr); gap: 18px 16px; padding-bottom: 8px; }
  .hero__metrics .metric:last-child { grid-column: 1 / -1; }
}

/* ---------- Hero visual: maqueta de producto ---------- */
.hero__visual {
  position: relative;
  justify-self: center;
  width: 100%;
  max-width: 560px;
  perspective: 1400px;
}
.mock {
  position: relative;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transform: rotateY(-8deg) rotateX(3deg);
  transform-style: preserve-3d;
  animation: mock-float 7s var(--ease) infinite alternate;
}
@keyframes mock-float {
  from { transform: rotateY(-8deg) rotateX(3deg) translateY(0); }
  to   { transform: rotateY(-4deg) rotateX(2deg) translateY(-12px); }
}
.mock__bar {
  display: flex; align-items: center; gap: 7px;
  padding: 12px 14px;
  background: var(--c-bg-alt);
  border-bottom: 1px solid var(--c-border-soft);
}
.mock__bar > span { width: 10px; height: 10px; border-radius: 50%; background: #E2DEDB; }
.mock__bar > span:nth-child(1) { background: #FFB7A1; }
.mock__url {
  margin-left: 10px;
  font-size: 11px; color: var(--c-fg-mute);
  background: #fff; border: 1px solid var(--c-border-soft);
  padding: 5px 12px; border-radius: var(--r-full);
  flex: 1; max-width: 200px;
}
.mock__body { display: flex; min-height: 270px; }
.mock__side {
  width: 64px; flex: 0 0 64px;
  background: var(--c-bg-dark);
  padding: 16px 12px;
  display: flex; flex-direction: column; gap: 12px;
}
.mock__logo { width: 26px; height: 26px; border-radius: 8px; background: var(--c-primary); margin-bottom: 6px; }
.mock__nav { height: 9px; border-radius: 5px; background: rgba(255,255,255,0.12); }
.mock__nav--on { background: var(--c-primary); width: 80%; }
.mock__main { flex: 1; padding: 18px; display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.mock__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mock__card {
  border: 1px solid var(--c-border-soft);
  border-radius: 12px;
  padding: 12px;
  display: flex; flex-direction: column; gap: 6px;
  background: var(--c-bg-alt);
}
.mock__card .mock__k { width: 28px; height: 6px; border-radius: 4px; background: var(--c-border); }
.mock__card b { font-family: var(--ff-display); font-size: 20px; color: var(--c-fg); letter-spacing: -0.02em; }
.mock__card i { font-style: normal; font-size: 11px; font-weight: 700; color: #16a34a; }
.mock__chart {
  border: 1px solid var(--c-border-soft);
  border-radius: 12px;
  padding: 16px 14px 12px;
  background: #fff;
}
.mock__bars { display: flex; align-items: flex-end; gap: 8px; height: 84px; }
.mock__bars span {
  flex: 1;
  height: var(--h);
  border-radius: 5px 5px 2px 2px;
  background: linear-gradient(180deg, var(--c-primary), #FFB783);
  transform-origin: bottom;
  animation: bar-grow 1s var(--ease-out) both;
}
.mock__bars span:nth-child(even) { background: linear-gradient(180deg, #FFC8A8, #FFE3D2); }
@keyframes bar-grow { from { transform: scaleY(0); } to { transform: scaleY(1); } }
.mock__rows { display: flex; flex-direction: column; gap: 9px; }
.mock__row { height: 10px; border-radius: 5px; background: var(--c-bg-mute); }
.mock__row--short { width: 60%; }

/* floating chips */
.mock__float {
  position: absolute;
  background: #fff;
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-md);
  border-radius: 12px;
  z-index: 2;
}
.mock__float--app {
  top: 16%; left: -34px;
  width: 130px; padding: 12px;
  display: flex; align-items: center; gap: 10px;
  animation: mock-float 6s var(--ease) infinite alternate-reverse;
}
.mock__float-dot { width: 26px; height: 26px; border-radius: 8px; background: linear-gradient(135deg, var(--c-primary), var(--c-primary-deep)); flex: 0 0 auto; }
.mock__float-lines { display: flex; flex-direction: column; gap: 5px; flex: 1; }
.mock__float-lines span { height: 6px; border-radius: 3px; background: var(--c-border); }
.mock__float-lines span:first-child { width: 100%; }
.mock__float-lines span:last-child { width: 60%; }
.mock__float--badge {
  bottom: 12%; right: -26px;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 14px;
  font-size: 12px; font-weight: 700; color: var(--c-fg);
  border-radius: var(--r-full);
  animation: mock-float 5.5s var(--ease) infinite alternate;
}
.mock__float--badge svg { color: #16a34a; }

@media (max-width: 980px) {
  .mock { transform: none; animation: none; margin: 0 auto; }
  .mock__float { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .mock, .mock__float, .mock__bars span { animation: none !important; }
  .mock { transform: rotateY(-6deg) rotateX(2deg); }
}

/* ============================================================
   TRUST / CLOUGET (claro, con tarjeta oscura)
   ============================================================ */
.trust {
  background: var(--c-bg-alt);
  color: var(--c-fg);
  padding: var(--section-y) 0;
  position: relative;
  overflow: hidden;
}
.trust::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(255,107,43,0.09) 0, transparent 42%),
    radial-gradient(circle at 85% 100%, rgba(255,107,43,0.07) 0, transparent 42%);
  pointer-events: none;
}
.trust__inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(40px, 6vw, 72px);
  align-items: center;
  position: relative;
}
.trust__title {
  font-size: var(--fs-h2);
  color: var(--c-fg);
  margin: 14px 0 18px;
}
.trust__lead {
  font-size: var(--fs-lead);
  color: var(--c-fg-soft);
  max-width: 540px;
}
.trust__lead + .trust__lead { margin-top: 14px; }
.trust__lead strong { color: var(--c-primary); font-weight: 700; }
.trust__copy .btn { margin-top: 32px; }

.trust__card {
  position: relative;
  padding: 36px 32px 32px;
  border-radius: var(--r-xl);
  background: linear-gradient(160deg, #1A1A1D 0%, #131316 100%);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
  transform-style: preserve-3d;
  cursor: default;
}
.trust__card-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), rgba(255,107,43,0.12), transparent 40%);
  opacity: 0; transition: opacity var(--t-base) var(--ease);
  pointer-events: none;
}
.trust__card:hover .trust__card-bg { opacity: 1; }
.trust__card:hover { transform: translateY(-4px); }

.trust__tag {
  display: inline-block;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-primary);
  background: rgba(255,107,43,0.12);
  padding: 6px 10px; border-radius: var(--r-full);
  margin-bottom: 18px;
}
.trust__card-title {
  font-size: clamp(40px, 5vw, 56px);
  letter-spacing: -0.045em;
  color: var(--c-on-dark);
  margin-bottom: 10px;
}
.trust__card-text { color: var(--c-on-dark-soft); margin-bottom: 22px; max-width: 320px; }
.trust__card-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; }
.trust__card-list li { display: flex; gap: 10px; color: var(--c-on-dark-soft); font-size: 14px; }
.trust__card-list li span { color: var(--c-primary); }
.trust__card-foot {
  display: flex; align-items: center; gap: 8px;
  padding-top: 18px; border-top: 1px solid rgba(255,255,255,0.06);
  color: var(--c-primary); font-weight: 600; font-size: 14px;
  text-decoration: none; width: fit-content; cursor: pointer;
  transition: gap var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.trust__card-foot:hover { gap: 12px; color: #FF8F4A; }

@media (max-width: 880px) {
  .trust__inner { grid-template-columns: 1fr; }
}

/* ============================================================
   SERVICES
   ============================================================ */
.services { padding: var(--section-y) 0; background: var(--c-bg); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
@media (max-width: 980px) { .services__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .services__grid { grid-template-columns: 1fr; } }

.service {
  position: relative;
  padding: 28px;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--r-lg);
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), border-color var(--t-base) var(--ease), background var(--t-base) var(--ease);
  overflow: hidden;
  isolation: isolate;
  cursor: default;
}
.service::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(255,107,43,0.08), transparent 50%);
  opacity: 0; transition: opacity var(--t-base) var(--ease);
  pointer-events: none;
  z-index: -1;
}
.service:hover {
  border-color: rgba(255,107,43,0.40);
  background: var(--c-bg);
  box-shadow: var(--shadow-md);
  transform: translate3d(0, -4px, 0);
}
.service:hover::after { opacity: 1; }
/* Feedback táctil en pantallas sin hover */
@media (hover: none) {
  .service:active { border-color: rgba(255,107,43,0.40); box-shadow: var(--shadow-md); transform: translateY(-2px); }
}

.service__icon {
  --accent: var(--c-primary);
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: var(--r-md);
  background: var(--c-primary-tint); /* fallback navegadores sin color-mix */
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, transparent), color-mix(in srgb, var(--accent) 4%, transparent));
  color: var(--accent);
  margin-bottom: 18px;
  transition: transform var(--t-base) var(--ease-back);
}
.service:hover .service__icon { transform: rotate(-6deg) scale(1.05); }
.service__icon svg { width: 24px; height: 24px; }

.service h3 { font-size: var(--fs-h3); margin-bottom: 10px; }
.service p { color: var(--c-fg-soft); font-size: 15px; }

.service__tag {
  position: absolute; top: 24px; right: 24px;
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--c-fg-mute); font-weight: 600;
}

/* ============================================================
   PROCESS
   ============================================================ */
.process {
  padding: var(--section-y) 0;
  background: var(--c-bg-alt);
}
.process__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 56px);
  position: relative;
}
.process__list::before {
  content: '';
  position: absolute;
  top: 36px; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-border) 20%, var(--c-border) 80%, transparent);
}
@media (max-width: 820px) {
  .process__list { grid-template-columns: 1fr; }
  .process__list::before { display: none; }
}

.step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.step__num {
  width: 72px; height: 72px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  color: var(--c-primary);
  font-family: var(--ff-display);
  font-weight: 700;
  letter-spacing: var(--ls-tight);
  position: relative;
  z-index: 1;
  transition: transform var(--t-base) var(--ease-back), box-shadow var(--t-base) var(--ease);
}
.step__num span { font-size: 26px; }
.step:hover .step__num, .step:active .step__num { transform: scale(1.06); box-shadow: var(--shadow-glow); }

.step__body h3 { font-size: var(--fs-h3); margin-bottom: 10px; }
.step__body p { color: var(--c-fg-soft); }

/* ============================================================
   WHY SERTEV (dark)
   ============================================================ */
.why {
  position: relative;
  background: var(--c-bg-dark);
  color: var(--c-on-dark);
  padding: var(--section-y) 0;
  overflow: hidden;
}
/* Foto de equipo difuminada de fondo */
.why::before {
  content: '';
  position: absolute; inset: 0;
  background: url('/assets/team-bg.jpg') center/cover no-repeat;
  opacity: 0.14;
  z-index: 0;
  pointer-events: none;
}
.why__bg {
  position: absolute; inset: 0;
  z-index: 0;
  background:
    radial-gradient(800px circle at var(--mx, 50%) var(--my, 30%), rgba(255,107,43,0.14), transparent 42%),
    linear-gradient(180deg, rgba(11,11,12,0.55) 0%, rgba(11,11,12,0.35) 45%, rgba(11,11,12,0.7) 100%);
  pointer-events: none;
}
.why__inner { position: relative; z-index: 1; }
.why__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 980px) { .why__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .why__grid { grid-template-columns: 1fr; } }

.why__card {
  padding: 28px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--r-lg);
  transition: background var(--t-base) var(--ease), border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}
.why__card:hover {
  background: rgba(255,107,43,0.04);
  border-color: rgba(255,107,43,0.18);
  transform: translateY(-4px);
}
.why__num {
  display: inline-block;
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--c-primary);
  letter-spacing: 0.06em;
  margin-bottom: 26px;
  padding: 4px 10px;
  border-radius: var(--r-full);
  background: rgba(255,107,43,0.08);
}
.why__card h3 { font-size: 20px; color: var(--c-on-dark); margin-bottom: 10px; }
.why__card p { color: var(--c-on-dark-soft); font-size: 14.5px; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact { padding: var(--section-y) 0; background: var(--c-bg); }
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
@media (max-width: 880px) { .contact__inner { grid-template-columns: 1fr; } }

.contact__text {
  margin-top: 18px;
  color: var(--c-fg-soft);
  max-width: 460px;
  font-size: var(--fs-lead);
}
.contact__text em { color: var(--c-primary); font-style: normal; font-weight: 600; }

.contact__channels { margin-top: 36px; display: flex; flex-direction: column; gap: 12px; }
.channel {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border-soft);
  background: var(--c-bg-alt);
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
a.channel:hover { background: var(--c-bg); border-color: rgba(255,107,43,0.30); transform: translateX(2px); }
.channel__icon {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: var(--r-md);
  background: var(--c-primary-tint);
  color: var(--c-primary);
  flex: 0 0 auto;
}
.channel__icon--wa { background: #E7F8EE; color: #16A34A; }
.channel div { display: flex; flex-direction: column; line-height: 1.3; }
.channel strong { font-size: 14px; }
.channel span { font-size: 14px; color: var(--c-fg-mute); }

.contact__form {
  padding: 32px;
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--r-lg);
}
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 18px; }
.field label { font-size: 13px; font-weight: 600; color: var(--c-fg-soft); }
.field input, .field textarea {
  width: 100%;
  padding: 14px 16px;
  font: inherit;
  font-size: 15px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  color: var(--c-fg);
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
  resize: vertical;
  font-family: inherit;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--c-action);
  box-shadow: 0 0 0 4px rgba(214,72,15,0.22);
}
.field input:focus-visible, .field textarea:focus-visible {
  outline: 2px solid var(--c-action);
  outline-offset: 1px;
}
.contact__note { margin-top: 14px; text-align: center; font-size: 13px; color: var(--c-fg-mute); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--c-bg-dark);
  color: var(--c-on-dark-mute);
  padding: clamp(60px, 8vw, 96px) 0 32px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 56px;
}
@media (max-width: 820px) { .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 480px) { .footer__inner { grid-template-columns: 1fr; } }

.footer__brand { max-width: 320px; }
.footer__logo { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 16px; text-decoration: none; }
.footer__logo img { height: 38px; width: 38px; display: block; }
.footer__wordmark {
  font-family: var(--ff-body);
  font-weight: 700;
  font-size: 32px;
  line-height: 1;
  letter-spacing: -0.012em;
  color: var(--c-on-dark);
  -webkit-font-smoothing: antialiased;
}
.footer__brand p { color: var(--c-on-dark-mute); font-size: 14px; }

.footer__col h4 {
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.12em;
  font-weight: 600; color: var(--c-on-dark);
  margin-bottom: 16px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col a, .footer__col li { color: var(--c-on-dark-mute); font-size: 14px; transition: color var(--t-fast) var(--ease); }
.footer__col a:hover { color: var(--c-primary); }

.footer__bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 13px;
  color: var(--c-on-dark-mute);
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter); padding-right: var(--gutter);
}

/* ============================================================
   FAB WhatsApp
   ============================================================ */
.fab-wa {
  position: fixed; bottom: 24px; right: 24px;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  box-shadow: 0 10px 30px rgba(37,211,102,0.4), 0 0 0 0 rgba(37,211,102,0.5);
  z-index: 90;
  transition: transform var(--t-base) var(--ease-back), box-shadow var(--t-base) var(--ease);
  animation: wa-pulse 2.4s var(--ease) infinite;
}
.fab-wa:hover { transform: translateY(-3px) scale(1.05); }
.fab-wa svg { width: 28px; height: 28px; }
@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 10px 30px rgba(37,211,102,0.4), 0 0 0 0 rgba(37,211,102,0.5); }
  50%      { box-shadow: 0 10px 30px rgba(37,211,102,0.4), 0 0 0 18px rgba(37,211,102,0); }
}

/* ============================================================
   PRELOADER
   ============================================================ */
.preloader {
  position: fixed; inset: 0; z-index: 10000;
  display: grid; place-items: center;
  background: var(--c-bg);
  transition: opacity .5s var(--ease), visibility .5s;
  animation: pl-failsafe 0.4s var(--ease) 4s forwards; /* red de seguridad si el JS no corre */
}
.preloader.is-done { opacity: 0; visibility: hidden; }
@keyframes pl-failsafe { to { opacity: 0; visibility: hidden; } }
.preloader__inner { display: flex; flex-direction: column; align-items: center; gap: 24px; }
.preloader__mark { width: 76px; height: 76px; animation: pl-pop 1.1s var(--ease) infinite alternate; }
@keyframes pl-pop { from { transform: scale(0.88); opacity: .65; } to { transform: scale(1); opacity: 1; } }
.preloader__bar { width: 130px; height: 4px; border-radius: 4px; background: var(--c-bg-mute); overflow: hidden; }
.preloader__bar span {
  display: block; height: 100%; width: 45%; border-radius: 4px;
  background: linear-gradient(90deg, var(--c-primary), var(--c-primary-soft));
  animation: pl-load 1s var(--ease) infinite;
}
@keyframes pl-load { 0% { transform: translateX(-130%); } 100% { transform: translateX(310%); } }

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
/* El cursor del sistema SIEMPRE queda visible; el anillo es solo un accesorio que lo sigue. */
.cursor-dot, .cursor-ring { display: none; }
@media (hover: hover) and (pointer: fine) {
  .cursor-ring {
    display: block;
    position: fixed; top: 0; left: 0;
    pointer-events: none;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    will-change: transform;
    width: 30px; height: 30px;
    border: 1.5px solid rgba(255,107,43,0.5);
    z-index: 10000;
    opacity: 0;
    transition: width .25s var(--ease), height .25s var(--ease),
                border-color .25s var(--ease), background .25s var(--ease), opacity .3s var(--ease);
  }
  .cursor-ring.is-active { opacity: 1; }
  .cursor-ring.is-hover {
    width: 56px; height: 56px;
    border-color: transparent;
    background: rgba(255,107,43,0.14);
  }
}

/* ============================================================
   TYPEWRITER (hero)
   ============================================================ */
.type-line { display: inline-flex; align-items: baseline; white-space: nowrap; }
.type {
  background: linear-gradient(110deg, var(--c-primary) 0%, var(--c-primary-deep) 75%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.type-caret {
  display: inline-block;
  width: 4px; height: 0.82em;
  margin-left: 7px;
  background: var(--c-primary);
  border-radius: 2px;
  transform: translateY(0.06em);
  animation: caret-blink 1s steps(1) infinite;
}
@keyframes caret-blink { 0%, 50% { opacity: 1; } 50.01%, 100% { opacity: 0; } }

/* ============================================================
   REVEAL ANIMATIONS (IntersectionObserver-driven)
   ============================================================ */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .mesh-blob, .fab-wa, .eyebrow .dot { animation: none !important; }
  .cursor-dot, .cursor-ring { display: none !important; }
  body { cursor: auto !important; }
  .type-caret, .preloader__mark, .preloader__bar span { animation: none !important; }
  html { scroll-behavior: auto; }
  /* Desactivar transformaciones de hover/tap para quien prefiere sin movimiento */
  .btn, .service, .service__icon, .step__num, .trust__card,
  .why__card, .channel, .nav__links a, .fab-wa {
    transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease) !important;
  }
  .btn:hover, .service:hover, .step:hover .step__num, .trust__card:hover,
  .why__card:hover, a.channel:hover, .fab-wa:hover, .service:hover .service__icon {
    transform: none !important;
  }
}