/* =========================================================
   AZUCODE — Landing oficial
   Inspirado en la firma OFF+BRAND (landonorris.com)
   ========================================================= */

:root {
  --ease: cubic-bezier(0.65, 0.05, 0, 1);
  --dur: 0.85s;

  --ink: #080D1A;
  --ink-2: #0C1428;
  --ivory: #EFEBDF;
  --ivory-2: #E4DFCF;
  --blue: #2E5BFF;
  --cyan: #6BE6F2;
  --accent: var(--blue);

  --min-w: 480px; --max-w: 1728px; --design-w: 1440; --unit: 16;
  --fluid: clamp(var(--min-w), 100vw, var(--max-w));
  --fs: calc(var(--fluid) / var(--design-w) * var(--unit));
  --maxc: 1340px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

/* === Seguridad CSS === */
/* Bloqueo de impresión (Ctrl+P, Save as PDF) */
@media print {
  html, body { display: none !important; visibility: hidden !important; }
  body::before {
    content: "Este contenido está protegido y no puede imprimirse.";
    display: block !important; visibility: visible !important;
    padding: 2rem; font-family: monospace;
  }
}
/* Bloqueo de selección excepto en inputs/textarea (deterrent anti copy-paste) */
body, body * {
  -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none;
}
input, textarea, label, .field {
  -webkit-user-select: text; -moz-user-select: text; -ms-user-select: text; user-select: text;
}
/* Bloqueo de drag sobre imágenes */
img { -webkit-user-drag: none; user-drag: none; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: 'Bricolage Grotesque', system-ui, sans-serif;
  background: var(--ink);
  color: var(--ivory);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
::selection { background: var(--cyan); color: var(--ink); }
img, svg { display: block; max-width: 100%; }

body::-webkit-scrollbar, html::-webkit-scrollbar { display: none; }
html { scrollbar-width: none; -ms-overflow-style: none; }

.serif { font-family: 'Instrument Serif', Georgia, serif; font-style: italic; font-weight: 400; }
.mono  { font-family: 'JetBrains Mono', monospace; }

.eyebrow {
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.26em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 0.9em;
}
.eyebrow::before { content: ''; width: 2.2em; height: 1px; background: currentColor; opacity: .5; }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

h1, h2, h3 { font-weight: 800; letter-spacing: -0.03em; line-height: 0.95; text-wrap: balance; }
.display {
  font-size: clamp(2.6rem, 8.5vw, 8.6rem);
  font-weight: 800; letter-spacing: -0.04em; line-height: 0.92;
}
.title { font-size: clamp(2rem, 5.2vw, 4.6rem); line-height: 0.96; letter-spacing: -0.03em; }
.lead { font-size: clamp(1.3rem, 2.6vw, 2.15rem); line-height: 1.28; font-weight: 500; letter-spacing: -0.015em; }
p { text-wrap: pretty; }

.wrap { max-width: var(--maxc); margin: 0 auto; padding: 0 40px; width: 100%; }
@media (max-width: 640px){ .wrap { padding: 0 22px; } }
.sect { position: relative; padding: clamp(90px, 14vh, 190px) 0; }
/* Render lazy de secciones fuera de viewport — gran ahorro de layout/paint */
.sect:not(#sistemas):not(#contacto) { content-visibility: auto; contain-intrinsic-size: 1px 800px; }
#sistemas, #contacto { content-visibility: auto; contain-intrinsic-size: 1px 1100px; }
footer { content-visibility: auto; contain-intrinsic-size: 1px 600px; }

.sect[data-theme="dark"]  { background: var(--ink);   color: var(--ivory); }
.sect[data-theme="ink2"]  { background: var(--ink-2); color: var(--ivory); }
.sect[data-theme="light"] { background: var(--ivory); color: var(--ink); }
.sect[data-theme="blue"]  { background: var(--blue);  color: #fff; }
.sect .muted { color: color-mix(in oklab, currentColor 58%, transparent); }
.sect .hair  { border-color: color-mix(in oklab, currentColor 16%, transparent); }

#progress { position: fixed; top: 0; left: 0; height: 2px; width: 0%; background: var(--accent); z-index: 300; transition: background .5s; }

/* Canvas de partículas global — overlay fijo sobre todo el landing.
   El recorte de las áreas beige se hace via mask-image dinámico en JS,
   no con display:none — así si solo parte del viewport es beige, el resto
   del canvas sigue activo. */
#flow {
  position: fixed; top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 1; pointer-events: none;
}

/* ---------- NAV ---------- */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 40px; transition: padding .5s var(--ease), background .5s var(--ease), color .5s var(--ease); color: var(--ivory); }
nav.shrink { padding: 12px 40px; backdrop-filter: blur(16px); }
body[data-nav="light"] nav { color: var(--ink); }
nav.shrink { background: color-mix(in oklab, var(--nav-bg, var(--ink)) 72%, transparent); }
body[data-nav="light"] nav.shrink { --nav-bg: var(--ivory); }
@media (max-width: 640px){ nav, nav.shrink { padding: 12px 22px; } }

.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links .link { font-size: 0.92rem; font-weight: 600; }
@media (max-width: 880px){ .nav-links .link:not(.btn) { display: none; } }

/* ---------- Brand mark (logo + AZUCODE wordmark) ---------- */
.brand-mark { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark .brand-logo {
  display: block; width: auto; height: 38px;
  filter: drop-shadow(0 0 8px rgba(46,91,255,0.5));
}
.brand-mark .brand-name {
  font-family: 'Bricolage Grotesque', sans-serif; font-weight: 800;
  font-size: 1.05rem; letter-spacing: 0.14em; color: inherit;
}
.foot-brand .brand-logo { height: 46px; filter: drop-shadow(0 0 10px rgba(46,91,255,0.45)); }
.foot-brand .brand-name { font-size: 1.15rem; color: var(--ivory); }
nav.shrink .brand-mark .brand-logo { height: 32px; transition: height .5s var(--ease); }

/* ---------- LOGO slots ---------- */
.logo-slot {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  background: transparent; overflow: visible;
}
.logo-slot img {
  position: relative; z-index: 1;
  width: 100%; height: 100%; object-fit: contain;
  filter: drop-shadow(0 6px 18px rgba(46,91,255,.40))
          drop-shadow(0 0 22px rgba(107,230,242,.28));
  animation: logoFloat 7s ease-in-out infinite, logoFadeIn .6s ease-out both;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: high-quality;
}
/* Solo cuando tier=0 (ultra-low) caemos a sin filtros — invisible para la mayoría */
html[data-tier="0"] .logo-slot img { filter: none; animation: logoFadeIn .6s ease-out both; }
html[data-tier="0"] .logo-slot::before { display: none; }
@keyframes logoFadeIn { from { opacity: 0; } to { opacity: 1; } }
/* Halo radial detrás del logo — cyan→azul que lo despega del fondo */
.logo-slot::before {
  content: ''; position: absolute; inset: -22%; z-index: 0; pointer-events: none;
  background: radial-gradient(circle at 50% 50%,
    rgba(107, 230, 242, 0.32) 0%,
    rgba(46, 91, 255, 0.20) 30%,
    rgba(46, 91, 255, 0.0) 65%);
  filter: blur(10px);
}
.logo-slot.nav-logo { width: 56px; height: 56px; }
.logo-slot.nav-logo::before { inset: -8%; opacity: .55; }
.logo-slot.foot-logo { width: 140px; height: 140px; }
.logo-slot.hero-logo {
  width: 100%; max-width: 720px;
  height: auto; aspect-ratio: 1 / 1;
  justify-self: center; align-self: center;
  min-height: clamp(320px, 48vw, 720px);
}
.logo-slot.hero-logo img {
  width: 100%; height: 100%;
  object-fit: contain; object-position: center;
}
.logo-slot.hero-logo img,
.logo-slot.hero-logo .logo-video {
  filter: drop-shadow(0 16px 40px rgba(46,91,255,.35))
          drop-shadow(0 0 60px rgba(107,230,242,.22));
}
/* Video del logo del hero — reemplaza el PNG, hardware-decoded */
.logo-video {
  position: relative; z-index: 1;
  width: 100%; height: 100%; object-fit: contain;
  display: block;
  animation: logoFadeIn .9s ease-out both;
  mix-blend-mode: screen; /* descarta el fondo blanco del video */
}
.logo-slot.hero-logo::before {
  inset: -14%;
  background: radial-gradient(circle at 50% 50%,
    rgba(107, 230, 242, 0.30) 0%,
    rgba(46, 91, 255, 0.18) 30%,
    rgba(46, 91, 255, 0.0) 70%);
  filter: blur(20px);
  animation: haloPulse 8s ease-in-out infinite;
}
/* El video ya rota en 360° — no necesita float adicional */
.logo-slot.hero-logo .logo-video { animation: logoFadeIn .9s ease-out both; }
@keyframes logoFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%      { transform: translateY(-14px) rotate(-1.4deg); }
}
.logo-slot.nav-logo img { animation-duration: 5s; }
.logo-slot.nav-logo img,
.logo-slot.foot-logo img {
  animation-name: logoFloatSmall;
}
@keyframes logoFloatSmall {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-3px); }
}
@keyframes haloPulse {
  0%, 100% { opacity: .85; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.06); }
}
nav.shrink .logo-slot.nav-logo { width: 48px; height: 48px; transition: width .5s var(--ease), height .5s var(--ease); }

/* === Respeto a prefers-reduced-motion: corta todo lo decorativo === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .logo-slot::before { display: none; }
  .marq .track.marq-css { animation: none; }
  #flow { display: none; }
}
/* En fondo claro el halo se atenúa para no verse como mancha */
.sect[data-theme="light"] .logo-slot::before {
  background: radial-gradient(circle at 50% 50%,
    rgba(46, 91, 255, 0.16) 0%,
    rgba(46, 91, 255, 0.06) 38%,
    rgba(46, 91, 255, 0.0) 72%);
}

.hx { display: inline-flex; overflow: hidden; vertical-align: top; height: 1.15em; line-height: 1.15em; }
.hx .col { display: flex; flex-direction: column; transition: transform .55s var(--ease); }
.hx .col > span { display: block; height: 1.15em; line-height: 1.15em; }
.hx:hover .col, a:hover .hx .col, button:hover .hx .col { transform: translateY(-50%); }

.btn { font-family: 'Bricolage Grotesque', sans-serif; font-weight: 700; font-size: 0.95rem;
  padding: 15px 26px; border-radius: 100px; border: 1px solid currentColor; display: inline-flex; align-items: center; gap: 12px;
  transition: background .4s var(--ease), color .4s var(--ease), transform .25s var(--ease); will-change: transform;
  cursor: pointer; }
.btn .arrow { transition: transform .4s var(--ease); }
.btn:hover .arrow { transform: translate(4px,-4px); }
.btn-fill { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-fill:hover { background: var(--cyan); border-color: var(--cyan); color: var(--ink); }
.btn-line:hover { background: currentColor; }
.btn-line:hover .btn-t { color: var(--bg-now, var(--ink)); }
.sect[data-theme="light"] .btn-line:hover .btn-t { color: var(--ivory); }

.line-mask { display: block; overflow: hidden; position: relative; }
html.js .line-inner { display: block; transform: translateY(110%); transition: transform var(--dur) var(--ease); }
html.js .line-mask.in .line-inner { transform: translateY(0); }
.swipe { position: absolute; inset: 0; background: var(--accent); transform: scaleX(0); transform-origin: left; pointer-events: none; }
html.js .line-mask.swiped .swipe { animation: swipe 0.9s var(--ease) forwards; }
@keyframes swipe { 0%{ transform: scaleX(0); transform-origin: left;} 45%{ transform: scaleX(1); transform-origin: left;} 55%{ transform: scaleX(1); transform-origin: right;} 100%{ transform: scaleX(0); transform-origin: right;} }

html.js .rv { opacity: 0; transform: translateY(30px); transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease); }
html.js .rv.in { opacity: 1; transform: none; }

/* ---------- HERO v2 (centrado · logo + wordmark + hook) ---------- */
header.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; background: var(--ink); text-align: center;
}
.hero-grain {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  opacity: .4; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}
.hero-inner { position: relative; z-index: 2; width: 100%; padding: 110px 0 80px; }

.hero-logo-wrap { position: relative; display: inline-block; }
.hero-logo-wrap::before {
  content: ''; position: absolute; inset: -20% -10%; z-index: -1;
  background: radial-gradient(ellipse at center,
    rgba(46,91,255,0.32) 0%,
    rgba(107,230,242,0.12) 40%,
    transparent 72%);
  filter: blur(32px); pointer-events: none;
}
.hero-logo {
  display: block; width: min(420px, 68vw); height: auto; margin: 0 auto;
  animation: logoIn 1.4s cubic-bezier(0.65,0.05,0,1) both;
  filter: drop-shadow(0 0 48px rgba(46,91,255,0.45))
          drop-shadow(0 0 90px rgba(107,230,242,0.22));
}
@keyframes logoIn {
  from { opacity: 0; transform: scale(0.84) translateY(28px);
         filter: drop-shadow(0 0 0px rgba(46,91,255,0)); }
  to   { opacity: 1; transform: scale(1) translateY(0);
         filter: drop-shadow(0 0 48px rgba(46,91,255,0.45))
                 drop-shadow(0 0 90px rgba(107,230,242,0.22)); }
}

.hero-wordmark {
  font-family: 'Bricolage Grotesque', sans-serif; font-weight: 800;
  font-size: clamp(1.6rem, 5vw, 3.4rem);
  letter-spacing: 0.36em; text-indent: 0.36em;
  color: var(--ivory); margin-top: 1.8rem;
  opacity: 0;
  animation: fadeUp .8s .7s cubic-bezier(0.65,0.05,0,1) forwards;
}

.hero-hook {
  font-family: 'Bricolage Grotesque', sans-serif; font-weight: 700;
  font-size: clamp(1.7rem, 4.2vw, 3.6rem); line-height: 1.08; letter-spacing: -0.025em;
  margin: 1.6rem auto 0; max-width: 18ch;
  opacity: 0;
  animation: fadeUp .9s .95s cubic-bezier(0.65,0.05,0,1) forwards;
}
.hero-hook .serif { font-size: 1em; }

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.15rem); line-height: 1.6;
  color: color-mix(in oklab, var(--ivory) 58%, transparent);
  max-width: 44ch; margin: 1.4rem auto 0; font-weight: 400;
  opacity: 0;
  animation: fadeUp .9s 1.15s cubic-bezier(0.65,0.05,0,1) forwards;
}

.hero .cta-row {
  margin-top: 2.4rem; display: flex; gap: 14px; flex-wrap: wrap;
  justify-content: center; opacity: 0;
  animation: fadeUp .9s 1.3s cubic-bezier(0.65,0.05,0,1) forwards;
}

.hero-scroll {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: .2em;
  text-transform: uppercase; color: color-mix(in oklab, var(--ivory) 36%, transparent);
  opacity: 0;
  animation: fadeUp .8s 1.6s cubic-bezier(0.65,0.05,0,1) forwards;
}
.hero-scroll .bar {
  width: 1px; height: 44px;
  background: linear-gradient(var(--cyan), transparent);
  animation: bar 1.9s ease-in-out infinite; transform-origin: top;
}
@keyframes bar { 0%,100%{ transform:scaleY(.35); } 50%{ transform:scaleY(1); } }
@keyframes fadeUp {
  from { opacity:0; transform:translateY(22px); }
  to   { opacity:1; transform:none; }
}

/* ---------- marquee ---------- */
.marq { overflow: hidden; white-space: nowrap; padding: 28px 0; border-top: 1px solid; border-bottom: 1px solid; }
.marq .track { display: inline-flex; gap: 3rem; }
.marq .track.marq-css { animation: marqDrift 40s linear infinite; }
.marq:hover .track.marq-css { animation-play-state: paused; }
@keyframes marqDrift { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marq .it { font-size: clamp(1.6rem,3vw,2.6rem); font-weight: 800; letter-spacing: -0.02em; display: inline-flex; align-items: center; gap: 3rem; }
.marq .it .serif { font-weight: 400; }
.marq .it::after { content: '✳'; font-size: .6em; color: var(--accent); }

.about-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 6rem; align-items: end; }
@media (max-width: 900px){ .about-grid { grid-template-columns: 1fr; gap: 2.5rem; } }
.about p { font-size: 1.05rem; line-height: 1.7; margin-top: 1.6rem; }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 2rem; }
.tag { border: 1px solid; border-radius: 100px; padding: 9px 16px; font-family:'JetBrains Mono',monospace; font-size: 12px; }

.svc-list { border-top: 1px solid; }
.svc-row { display: grid; grid-template-columns: 0.5fr 3fr 4fr; gap: 2rem; align-items: center;
  padding: 2.4rem 0; border-bottom: 1px solid; position: relative; transition: padding .5s var(--ease); }
.svc-row .idx { font-family:'JetBrains Mono',monospace; font-size: 0.8rem; opacity: .6; }
.svc-row h3 { font-size: clamp(1.6rem, 3vw, 2.8rem); line-height: 1; letter-spacing: -0.03em; transition: transform .5s var(--ease), color .4s; }
.svc-row .desc { font-size: 1rem; line-height: 1.6; color: color-mix(in oklab, currentColor 60%, transparent); max-width: 46ch; }
.svc-row .num { position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 5rem; font-weight: 800; opacity: 0; transition: opacity .4s; color: var(--accent); pointer-events: none; }
@media (hover: hover){ .svc-row:hover h3 { transform: translateX(18px); color: var(--accent); } }
@media (max-width: 820px){ .svc-row { grid-template-columns: 1fr; gap: .8rem; padding: 1.8rem 0; } }

/* Grid de 2 columnas (era 3) — cards más anchas, más espacio para info */
.sys-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
@media (max-width: 880px){ .sys-grid { grid-template-columns: 1fr; } }

.sys {
  border: 1px solid; border-radius: 18px; overflow: hidden;
  transition: transform .6s var(--ease), box-shadow .6s var(--ease);
  background: rgba(8,13,26,.03);
  display: flex; flex-direction: column;
}
.sys:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -20px rgba(46,91,255,.25);
}

/* ===== Carousel de previews ===== */
.sys-carousel {
  position: relative;
  background: var(--ink);
  aspect-ratio: 16/9;
  overflow: hidden;
  user-select: none;
}
.sys-carousel-track {
  position: relative; width: 100%; height: 100%;
}
.sys-slide {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  object-position: center;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity .6s var(--ease), transform 1.2s var(--ease);
  pointer-events: none;
  background: var(--ink);
}
.sys-slide.active { opacity: 1; transform: scale(1); pointer-events: auto; }

/* Glow azul sutil para integrar con el landing */
.sys-carousel::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 40% at 50% 0%, rgba(46,91,255,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(8,13,26,0.5) 0%, transparent 60%);
  mix-blend-mode: screen;
  z-index: 1;
}

/* Botones de navegación (anterior / siguiente) — siempre visibles + clickeables */
.sys-carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 10;                          /* bien arriba de slides y after */
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: rgba(8,13,26,0.75);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(107,230,242,0.35);
  border-radius: 50%;
  color: var(--ivory);
  cursor: pointer;
  pointer-events: auto;                 /* explicit para evitar herencia rara */
  transition: background .25s var(--ease), transform .25s var(--ease), border-color .25s var(--ease), opacity .25s var(--ease);
  opacity: 0.75;                        /* visibles siempre (no solo en hover) */
  font: inherit;
}
.sys-carousel:hover .sys-carousel-btn,
.sys-carousel:focus-within .sys-carousel-btn { opacity: 1; }
.sys-carousel-btn:active { transform: translateY(-50%) scale(0.92); }
.sys-carousel-btn.prev { left: 14px; }
.sys-carousel-btn.next { right: 14px; }
.sys-carousel-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-50%) scale(1.08);
}

/* Contador 1 / N */
.sys-carousel-counter {
  position: absolute; top: 14px; right: 16px;
  z-index: 10;
  pointer-events: none;
  font-size: 11px; letter-spacing: .15em;
  color: rgba(255,255,255,0.65);
  background: rgba(8,13,26,0.55);
  backdrop-filter: blur(8px);
  padding: 5px 10px; border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.10);
}
.sys-carousel-counter .cur { color: var(--cyan); font-weight: 600; }

/* Dots inferiores */
.sys-carousel-dots {
  position: absolute; bottom: 16px; left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  pointer-events: auto;
  display: flex; gap: 8px;
  padding: 6px 10px;
  background: rgba(8,13,26,0.5);
  backdrop-filter: blur(8px);
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.08);
}
.sys-carousel-dots .dot {
  width: 6px; height: 6px;
  border: 0; padding: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.30);
  cursor: pointer;
  transition: background .3s var(--ease), width .4s var(--ease);
}
.sys-carousel-dots .dot:hover { background: rgba(255,255,255,0.55); }
.sys-carousel-dots .dot.active {
  background: var(--cyan); width: 22px; border-radius: 4px;
}

@media (max-width: 640px) {
  .sys-carousel-btn { opacity: 1; width: 32px; height: 32px; }
  .sys-carousel-btn.prev { left: 8px; }
  .sys-carousel-btn.next { right: 8px; }
}

/* Placeholder para sistemas sin imágenes aún (Sistema 02) */
.sys-shot-placeholder {
  background: linear-gradient(135deg, rgba(46,91,255,.10), rgba(107,230,242,.06));
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.placeholder-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(2, 1fr);
  gap: 8px; width: 70%; height: 60%;
}
.placeholder-grid span {
  background: linear-gradient(135deg, rgba(46,91,255,.15), rgba(107,230,242,.08));
  border-radius: 6px;
  animation: phPulse 2.4s ease-in-out infinite;
}
.placeholder-grid span:nth-child(2) { animation-delay: .1s; }
.placeholder-grid span:nth-child(3) { animation-delay: .2s; }
.placeholder-grid span:nth-child(4) { animation-delay: .3s; }
.placeholder-grid span:nth-child(5) { animation-delay: .4s; }
.placeholder-grid span:nth-child(6) { animation-delay: .5s; }
.placeholder-grid span:nth-child(7) { animation-delay: .6s; }
.placeholder-grid span:nth-child(8) { animation-delay: .7s; }
@keyframes phPulse { 0%,100% { opacity: .35; } 50% { opacity: .75; } }
.placeholder-label {
  position: absolute; bottom: 14px;
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  letter-spacing: .2em; text-transform: uppercase;
  color: rgba(8,13,26,.45);
}

/* Body de cada card */
.sys .body { padding: 24px 26px 28px; display: flex; flex-direction: column; flex: 1; }
.sys .st { font-family:'JetBrains Mono',monospace; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; display:flex; align-items:center; gap:8px; }
.sys .st .d { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }
.sys .st.soon .d { background: color-mix(in oklab, currentColor 40%, transparent); }
.sys h3 { font-size: 1.5rem; margin-top: 10px; letter-spacing: -0.02em; line-height: 1.15; }
.sys .body p { font-size: .95rem; line-height: 1.55; margin-top: 12px; color: color-mix(in oklab, currentColor 65%, transparent); }
.sys .body p strong { color: var(--accent); font-weight: 700; }

/* Lista de features compacta */
.sys-features {
  list-style: none; padding: 0; margin: 16px 0 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px;
}
.sys-features li {
  font-size: .85rem; line-height: 1.4; padding-left: 16px; position: relative;
  color: color-mix(in oklab, currentColor 75%, transparent);
}
.sys-features li::before {
  content: ''; position: absolute; left: 0; top: .55em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}
@media (max-width: 480px){ .sys-features { grid-template-columns: 1fr; } }

.sys .foot {
  display:flex; justify-content: space-between; align-items: center;
  margin-top: auto; padding-top: 20px; border-top: 1px solid;
}
.sys .price { font-weight: 700; }
.sys .price small { font-weight: 400; opacity: .6; font-size: .75rem; }
.sys .more { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-weight: 600; font-size: .9rem; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
@media (max-width: 820px){ .steps { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 460px){ .steps { grid-template-columns: 1fr; } }
.step { padding: 2.4rem 1.6rem 3rem; border-left: 1px solid rgba(255,255,255,.22); }
.step:first-child { border-left: 0; padding-left: 0; }
.step .n { font-family:'JetBrains Mono',monospace; font-size: .8rem; }
.step h4 { font-size: 1.5rem; margin-top: 2.4rem; font-weight: 800; letter-spacing: -0.02em; }
.step p { margin-top: .8rem; font-size: .95rem; line-height: 1.55; color: rgba(255,255,255,.78); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
@media (max-width: 860px){ .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; } }
.contact .direct { margin-top: 2.6rem; display: flex; flex-direction: column; gap: 1rem; }
.contact .direct a { display: flex; align-items: center; gap: 14px; font-size: 1.1rem; width: fit-content; }
.contact .direct a .l { font-family:'JetBrains Mono',monospace; font-size: 11px; letter-spacing: .1em; opacity: .55; width: 80px; text-transform: uppercase; }
form { display: grid; gap: 16px; }
.field { display: grid; gap: 8px; }
.field label { font-family:'JetBrains Mono',monospace; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; opacity: .55; }
.field input, .field textarea { background: transparent; border: 0; border-bottom: 1px solid color-mix(in oklab, currentColor 30%, transparent);
  padding: 12px 2px; color: inherit; font-family: 'Bricolage Grotesque', sans-serif; font-size: 1.05rem; transition: border-color .4s; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: color-mix(in oklab, currentColor 40%, transparent); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 520px){ .row2 { grid-template-columns: 1fr; } }

footer { background: var(--ink); color: var(--ivory); padding: 90px 0 40px; }
.foot-top { display: flex; justify-content: space-between; gap: 3rem; flex-wrap: wrap; align-items: flex-start; }
.foot-cta { display: flex; flex-direction: column; align-items: flex-start; max-width: 380px; }
.foot-cta-heading { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; margin-top: .4rem; }
.foot-cta-heading .serif { font-weight: 400; }
.foot-links { display: flex; gap: 4rem; flex-wrap: wrap; }
.foot-col { display: flex; flex-direction: column; gap: 12px; }
.foot-col .h { font-family:'JetBrains Mono',monospace; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; opacity: .5; margin-bottom: 4px; }
.foot-col a { font-size: .95rem; opacity: .8; transition: opacity .3s; }
.foot-col a:hover { opacity: 1; }
.foot-bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-top: 5rem; padding-top: 26px; border-top: 1px solid rgba(255,255,255,.12); }
.foot-bottom p { font-family:'JetBrains Mono',monospace; font-size: 12px; opacity: .5; }