/* ============================================================
   The Brothers App — Portada oscura / futurista (v2)
   Hoja de estilos autocontenida para index.html
   HTML/CSS/JS puro. Animaciones por IntersectionObserver + canvas.
   ============================================================ */

:root{
  --bg:#0A0E18;
  --bg-2:#0E1424;
  --panel:rgba(255,255,255,.035);
  --panel-brd:rgba(255,255,255,.08);
  --line:#1B2740;
  --txt:#F5F7FA;
  --muted:#94A0B8;
  --muted-2:#6B7689;
  --indigo:#6366F1;
  --cyan:#06B6D4;
  --cyan-bright:#22D3EE;
  --grad:linear-gradient(135deg,var(--indigo),var(--cyan));
  --grad-text:linear-gradient(120deg,#A5B4FC 0%,#67E8F9 60%,#22D3EE 100%);
  --shadow:0 24px 60px -20px rgba(0,0,0,.6);
  --radius:18px;
  --container:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter','Segoe UI','Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{font-family:'Space Grotesk','Inter',sans-serif;line-height:1.1;letter-spacing:-.02em;font-weight:700}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

main,.site-header,.site-footer{position:relative;z-index:1}

/* ---------- Fondo 3D: ORBES de luz con profundidad ----------
   Capa fija detrás del contenido (z-index:0). Cada orbe está a una
   "distancia" distinta (data-depth) y se mueve con el mouse + scroll
   mediante js/depth.js → sensación de espacio 3D. Los lejanos van más
   difuminados (filter:blur, válido en Edge) y se mueven menos.
   El hero los tapa con su video; se perciben en las secciones de abajo. */
.bg-orbs{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orb{position:absolute;display:block;border-radius:50%;will-change:transform}
.orb-1{width:560px;height:560px;left:-8%;top:5%;
  background:radial-gradient(circle,rgba(99,102,241,.50),transparent 68%);filter:blur(60px)}
.orb-2{width:470px;height:470px;right:-7%;top:33%;
  background:radial-gradient(circle,rgba(34,211,238,.40),transparent 68%);filter:blur(78px)}
.orb-3{width:650px;height:650px;left:24%;top:60%;
  background:radial-gradient(circle,rgba(124,92,255,.42),transparent 68%);filter:blur(94px)}
.orb-4{width:420px;height:420px;left:6%;top:92%;
  background:radial-gradient(circle,rgba(34,211,238,.30),transparent 68%);filter:blur(86px)}
@media (max-width:760px){
  .orb{filter:blur(64px)!important;opacity:.8}
  .orb-1,.orb-3{width:380px;height:380px}
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  transition:background .35s var(--ease),border-color .35s var(--ease),backdrop-filter .35s;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(10,14,24,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
/* header de ancho completo: el logo se alinea a la IZQUIERDA con el mismo
   margen que el texto del hero (armonía), y el menú se corre a la DERECHA. */
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;
  max-width:none;margin:0;padding-left:clamp(24px,7vw,140px);padding-right:clamp(24px,5vw,92px)}
.logo{display:flex;align-items:center;gap:11px;font-weight:600}
.logo-mark{width:39px;height:39px}
.logo-text{font-family:'Space Grotesk',sans-serif;font-size:20px;font-weight:300;color:var(--muted);letter-spacing:-.01em}
.logo-text b{font-weight:700;color:var(--txt)}

.nav-links{display:flex;align-items:center;gap:30px}
.nav-link{font-size:15px;color:var(--muted);transition:color .2s;position:relative}
.nav-link:hover{color:var(--txt)}
.nav-link.active{color:var(--txt)}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;background:var(--grad);border-radius:2px}
.lang-wrap{display:inline-flex;align-items:center;gap:9px}
.lang-globe{width:18px;height:18px;color:var(--muted);flex:none;transition:color .25s,transform .5s ease}
.lang-wrap:hover .lang-globe{color:var(--cyan);transform:rotate(180deg)}
.site-header:not(.scrolled) .lang-globe{color:rgba(255,255,255,.85)}
.lang-toggle{
  position:relative;display:inline-flex;align-items:center;
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid var(--panel-brd);border-radius:999px;padding:3px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
/* indicador deslizante (la pastilla que se mueve entre ES y EN) */
.lang-toggle::before{
  content:"";position:absolute;top:3px;bottom:3px;left:3px;width:calc(50% - 3px);
  border-radius:999px;background:var(--grad);z-index:0;
  box-shadow:0 4px 14px -4px rgba(99,102,241,.8);
  transition:transform .32s cubic-bezier(.4,0,.2,1);
}
.lang-toggle:has(button[data-lang="en"].active)::before{transform:translateX(100%)}
.lang-toggle button{
  position:relative;z-index:1;flex:1;min-width:38px;text-align:center;
  font:inherit;font-size:12.5px;font-weight:700;letter-spacing:.04em;
  color:var(--muted);cursor:pointer;background:none;border:0;border-radius:999px;
  padding:5px 13px;transition:color .25s;
}
.lang-toggle button:hover{color:var(--txt)}
.lang-toggle button.active{color:#fff}
@media (prefers-reduced-motion:reduce){.lang-toggle::before{transition:none}}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--txt);border-radius:2px;transition:.25s}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;padding:13px 24px;border-radius:12px;
  cursor:pointer;transition:transform .2s var(--ease),box-shadow .3s,filter .3s;border:1px solid transparent;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 30px -8px rgba(56,82,255,.6)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 16px 40px -8px rgba(34,211,238,.55)}
.btn-ghost{background:var(--panel);border:1px solid var(--panel-brd);color:var(--txt)}
.btn-ghost:hover{border-color:var(--cyan);transform:translateY(-2px)}

/* ---------- Hero ---------- */
.hero{padding:70px 0 90px;perspective:1200px}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--cyan-bright);text-transform:uppercase;
  background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.22);
  padding:7px 14px;border-radius:999px;margin-bottom:22px;
}
.hero-eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan-bright);box-shadow:0 0 10px var(--cyan-bright);animation:pulse 2s infinite}
@keyframes pulse{50%{opacity:.4;transform:scale(.8)}}
.hero-title{font-size:clamp(2.4rem,5.2vw,4rem);margin-bottom:20px}
.hero-title .accent{background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-subtitle{font-size:clamp(1.05rem,1.6vw,1.22rem);color:var(--muted);max-width:520px;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* Robot render */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;transform-style:preserve-3d}
.hero-visual .glow{position:absolute;width:86%;height:86%;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.30),rgba(99,102,241,.16) 48%,transparent 72%);
  filter:blur(34px);z-index:0;animation:breathe 6s ease-in-out infinite}
@keyframes breathe{50%{transform:scale(1.08);opacity:.85}}
.hero-img{position:relative;z-index:1;width:100%;max-width:560px;
  animation:floaty 7s ease-in-out infinite;will-change:transform;
  filter:drop-shadow(0 32px 44px rgba(0,0,0,.55));
  /* Desvanece los bordes del video para que los 3 robots se fundan con el fondo (sin "cuadro") */
  -webkit-mask-image:radial-gradient(ellipse 70% 78% at 50% 45%,#000 40%,rgba(0,0,0,0) 75%);
  mask-image:radial-gradient(ellipse 70% 78% at 50% 45%,#000 40%,rgba(0,0,0,0) 75%);}
video.hero-img{aspect-ratio:1/1;object-fit:cover;background:transparent;display:block}
@keyframes floaty{50%{transform:translateY(-16px)}}
/* placeholder si aún no existe logo-hero.png */
.hero-img.placeholder{
  aspect-ratio:1/1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:linear-gradient(160deg,#101a30,#0a0e18);border:1px dashed var(--line);color:var(--muted-2);
  font-size:14px;text-align:center;padding:30px;animation:none;
}
.hero-img.placeholder .ph-mark{width:96px;height:96px;opacity:.9}
.hero-img.placeholder code{color:var(--cyan);background:rgba(34,211,238,.08);padding:3px 8px;border-radius:6px;font-size:13px}

/* ---------- Trust strip ---------- */
.trust{padding:50px 0 6px;text-align:center}
.trust-text{
  display:inline-flex;align-items:center;gap:18px;color:var(--muted);
  font-size:15px;letter-spacing:.015em;
}
.trust-text::before,.trust-text::after{
  content:"";width:48px;height:1px;background:linear-gradient(90deg,transparent,var(--muted-2))
}
.trust-text::after{background:linear-gradient(90deg,var(--muted-2),transparent)}

/* ---------- Secciones ---------- */
.section{padding:80px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 52px}
.section-head h2{font-size:clamp(1.9rem,3.4vw,2.7rem);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:1.08rem}

.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* perspectiva 3D para la inclinación de las tarjetas (depth.js) */
.grid-3,.grid-4,.steps{perspective:1000px}
.card.feature,.card.project,.step{transform-style:preserve-3d;transition:transform .12s ease,border-color .3s,background .3s,box-shadow .3s;
  /* anula el retardo del scroll-reveal (d1/d2) que congelaba la inclinación 3D en las tarjetas escalonadas */
  transition-delay:0s!important}
/* brillo holográfico que sigue al cursor dentro de la tarjeta */
.card.feature::after,.card.project::after,.step::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:2;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,50%),
    rgba(125,185,255,.20), rgba(125,185,255,.05) 40%, transparent 60%);
  opacity:0;transition:opacity .35s var(--ease);
}
.card.feature:hover::after,.card.project:hover::after,.step:hover::after{opacity:1}

/* etiqueta (eyebrow) sobre los títulos de sección */
.section-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan-bright);margin-bottom:14px;
}
/* pie de la sección de servicios: el enlace centrado */
.services-foot{display:flex;justify-content:center;margin-top:40px}

.card{
  background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--radius);
  padding:32px 28px;transition:transform .3s var(--ease),border-color .3s,background .3s;
  position:relative;overflow:hidden;
}
.card::before{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;
  background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s}
.card:hover{transform:translateY(-6px);background:rgba(255,255,255,.05);box-shadow:0 30px 60px -34px rgba(0,0,0,.75)}
.card:hover::before{opacity:.9}
.feature-icon{
  width:56px;height:56px;display:flex;align-items:center;justify-content:center;
  border-radius:15px;margin-bottom:20px;color:var(--cyan-bright);
  background:linear-gradient(155deg,rgba(99,102,241,.20),rgba(34,211,238,.10));
  border:1px solid rgba(34,211,238,.24);
  box-shadow:0 10px 26px -14px rgba(34,211,238,.55),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .35s var(--ease),box-shadow .35s,color .35s,background .35s;
}
.feature-icon svg{width:27px;height:27px}
.card:hover .feature-icon{
  transform:translateY(-3px) scale(1.05);color:#fff;
  background:linear-gradient(155deg,rgba(99,102,241,.42),rgba(34,211,238,.26));
  box-shadow:0 16px 32px -12px rgba(34,211,238,.7);
}
.feature h3{font-size:1.3rem;margin-bottom:10px}
.feature p{color:var(--muted);font-size:.98rem}

/* ---------- CTA band ---------- */
.cta-band{padding:30px 0 100px}
.cta-band-inner{
  position:relative;overflow:hidden;text-align:center;
  background:linear-gradient(135deg,rgba(99,102,241,.16),rgba(6,182,212,.12));
  border:1px solid var(--panel-brd);border-radius:28px;padding:64px 30px;
}
.cta-band-inner::after{content:"";position:absolute;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.25),transparent 65%);top:-160px;left:50%;transform:translateX(-50%)}
.cta-band-inner h2{position:relative;font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:14px}
.cta-band-inner .cta-sub{position:relative;color:var(--muted);max-width:540px;margin:0 auto 28px;font-size:1.06rem}

/* ---------- Proceso (cómo trabajamos) ---------- */
.proceso-wrap{
  background:
    radial-gradient(80% 70% at 50% 0%, rgba(99,102,241,.10), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,.015), transparent 42%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  position:relative;padding:30px 24px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--panel-brd);
  transition:transform .3s var(--ease),border-color .3s,background .3s;
}
.step:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.35);background:rgba(255,255,255,.05)}
.step-num{
  display:inline-block;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:32px;
  letter-spacing:-.02em;margin-bottom:12px;
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.step h3{font-size:1.15rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.95rem}
/* conector decorativo entre pasos */
.step:not(:last-child)::after{
  content:"";position:absolute;top:46px;right:-12px;width:24px;height:2px;z-index:1;
  background:linear-gradient(90deg,rgba(34,211,238,.55),transparent);
}

/* ---------- Por qué nosotros ---------- */
.why-item{text-align:center;padding:22px 18px}
.why-icon{
  position:relative;width:68px;height:68px;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  border-radius:18px;background:linear-gradient(160deg,rgba(124,92,255,.14),rgba(34,211,238,.08));
  border:1px solid var(--panel-brd);
  box-shadow:0 12px 34px -18px rgba(99,102,241,.7), inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .35s cubic-bezier(.2,.8,.2,1), border-color .35s, box-shadow .35s;
}
.why-icon::after{ /* halo que aparece al pasar el mouse */
  content:"";position:absolute;inset:-1px;border-radius:inherit;opacity:0;
  background:radial-gradient(120% 120% at 50% 0%, rgba(124,92,255,.35), transparent 60%);
  transition:opacity .35s;pointer-events:none;
}
.why-icon svg{
  width:30px;height:30px;color:#c7d2fe;
  filter:drop-shadow(0 2px 6px rgba(124,92,255,.45));
  transition:color .35s, transform .45s cubic-bezier(.2,.8,.2,1);
}
.why-item:hover .why-icon{
  transform:translateY(-4px);
  border-color:rgba(124,92,255,.55);
  box-shadow:0 18px 40px -16px rgba(124,92,255,.85), inset 0 1px 0 rgba(255,255,255,.1);
}
.why-item:hover .why-icon::after{opacity:1}
.why-item:hover .why-icon svg{color:#a78bfa}
/* gesto propio de cada icono al hacer hover */
.why-item:nth-child(1):hover .why-icon svg{animation:tba-spin 6s linear infinite} /* estrella gira lento */
.why-item:nth-child(2):hover .why-icon svg{animation:tba-pulse 1.4s ease-in-out infinite} /* manos laten */
.why-item:nth-child(3):hover .why-icon svg{animation:tba-glow 1.6s ease-in-out infinite} /* idea brilla */
.why-item:nth-child(4):hover .why-icon svg{animation:tba-check 1.2s ease-out} /* check rebota una vez */
@keyframes tba-spin{to{transform:rotate(360deg)}}
@keyframes tba-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.12)}}
@keyframes tba-glow{0%,100%{filter:drop-shadow(0 2px 6px rgba(124,92,255,.45))}50%{filter:drop-shadow(0 0 14px rgba(34,211,238,.95))}}
@keyframes tba-check{0%{transform:scale(.7)}55%{transform:scale(1.18)}100%{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){
  .why-item:hover .why-icon svg{animation:none!important}
  .why-icon, .why-icon svg{transition:none}
}
.why-item h3{font-size:1.15rem;margin-bottom:8px}
.why-item p{color:var(--muted);font-size:.95rem}

/* responsive de las secciones de inicio */
@media (max-width:1000px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:not(:last-child)::after{display:none}
}
@media (max-width:600px){
  .grid-3,.grid-4,.steps{grid-template-columns:1fr}
}

/* ============================================================
   PÁGINAS INTERNAS (servicios · portafolio · nosotros · contacto)
   Mismo lenguaje visual que la portada.
   ============================================================ */
/* Cabecera de página interna (deja espacio para el header fijo) */
.page-hero{position:relative;text-align:center;padding:150px 0 56px;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;left:50%;top:-12%;transform:translateX(-50%);
  width:920px;height:520px;max-width:122vw;pointer-events:none;
  background:radial-gradient(ellipse at center, rgba(99,102,241,.22), rgba(6,182,212,.08) 45%, transparent 70%);
  filter:blur(22px);
}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-size:clamp(2.4rem,5vw,3.8rem);letter-spacing:-.03em;margin-bottom:16px}
.page-hero p{color:var(--muted);font-size:clamp(1.05rem,1.6vw,1.25rem);max-width:640px;margin:0 auto}

/* Servicios: lista de características dentro de la tarjeta */
.svc-feats{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:10px}
.svc-feats li{position:relative;padding-left:26px;color:var(--muted);font-size:.95rem}
.svc-feats li::before{
  content:"";position:absolute;left:2px;top:.16em;width:13px;height:8px;
  border-left:2px solid var(--cyan-bright);border-bottom:2px solid var(--cyan-bright);
  transform:rotate(-45deg)
}

/* Portafolio: tarjeta de proyecto */
.proj-thumb{
  height:158px;display:flex;align-items:center;justify-content:center;
  border-radius:14px;margin-bottom:20px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(99,102,241,.30),rgba(34,211,238,.16));
  border:1px solid var(--panel-brd);
}
.proj-thumb svg{
  width:62px;height:62px;color:#e6ebff;position:relative;z-index:1;
  filter:drop-shadow(0 4px 14px rgba(34,211,238,.55));
  transition:transform .45s cubic-bezier(.2,.8,.2,1), color .35s;
}
.card.project:hover .proj-thumb svg{transform:translateY(-4px) scale(1.05);color:#fff}
@media (prefers-reduced-motion:reduce){.proj-thumb svg{transition:none}}
.tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  color:var(--cyan-bright);background:rgba(34,211,238,.10);border:1px solid rgba(34,211,238,.24);
  padding:4px 11px;border-radius:999px;margin-bottom:12px;
}
.project h3{font-size:1.2rem;margin-bottom:8px}
.project p{color:var(--muted);font-size:.96rem}

/* Nosotros: historia (texto + tarjetas) */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.about-text h2{font-size:clamp(1.7rem,3vw,2.4rem);margin:10px 0 18px}
.about-text p{color:var(--muted);margin-bottom:14px}
.about-cards{display:grid;gap:20px}

/* Contacto: información + formulario */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact-info{list-style:none;display:flex;flex-direction:column;gap:22px}
.contact-info li{display:flex;gap:14px;align-items:flex-start}
.ci-icon{
  flex:none;width:46px;height:46px;display:flex;align-items:center;justify-content:center;font-size:20px;
  border-radius:13px;background:linear-gradient(155deg,rgba(99,102,241,.20),rgba(34,211,238,.10));
  border:1px solid rgba(34,211,238,.22);
}
.contact-info strong{display:block;color:var(--txt);margin-bottom:3px;font-weight:600}
.contact-info li > span > span{color:var(--muted)}

form#contactForm{background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--radius);padding:30px}
.field{margin-bottom:18px;display:flex;flex-direction:column;gap:7px}
.field label{font-size:.9rem;font-weight:600;color:var(--txt)}
.field input,.field select,.field textarea{
  font:inherit;font-size:15px;color:var(--txt);background:rgba(255,255,255,.03);
  border:1px solid var(--panel-brd);border-radius:11px;padding:12px 14px;
  transition:border-color .2s,box-shadow .2s;
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.14)
}
.field select option{background:#0E1424;color:var(--txt)}
.form-note{margin-top:14px;color:var(--muted-2);font-size:.86rem;text-align:center}
.form-success{
  display:none;background:rgba(34,211,238,.10);border:1px solid rgba(34,211,238,.3);
  color:#a5f3fc;padding:12px 16px;border-radius:11px;margin-bottom:18px;font-size:.92rem;
}

/* responsive internas */
@media (max-width:900px){
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:34px}
}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:48px 0;margin-top:20px}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:22px;text-align:center}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk',sans-serif;font-weight:600}
.footer-brand .logo-mark{width:30px;height:30px}
.footer-nav{display:flex;gap:24px;flex-wrap:wrap;justify-content:center}
.footer-nav a{color:var(--muted);font-size:14px;transition:color .2s}
.footer-nav a:hover{color:var(--cyan)}
.footer-copy{color:var(--muted-2);font-size:13px}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;text-align:center;gap:36px}
  .hero-subtitle{margin-left:auto;margin-right:auto}
  .hero-cta{justify-content:center}
  .hero-visual{order:-1}
  .hero-img{max-width:360px}
  .grid-3{grid-template-columns:1fr}
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;gap:18px;align-items:flex-start;
    background:rgba(10,14,24,.97);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);padding:24px;
    transform:translateY(-120%);opacity:0;pointer-events:none;transition:.35s var(--ease);
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-link.active::after{display:none}
}

/* ============================================================
   HERO tier-1 — centrado + mockup de dashboard (estilo Linear/Vercel)
   Diseñado con ui-ux-pro-max: jerarquía, rejilla+glow, mockup en CSS.
   ============================================================ */
.hero2{position:relative;overflow:hidden;padding:clamp(96px,15vh,180px) 0 clamp(70px,9vh,110px);text-align:center}

/* Fondo: rejilla técnica + resplandor de marca (con máscara para difuminar) */
.hero2-bg{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero2-bg::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 78% 62% at 50% 4%, #000 32%, transparent 76%);
          mask-image:radial-gradient(ellipse 78% 62% at 50% 4%, #000 32%, transparent 76%);
}
.hero2-bg::after{
  content:"";position:absolute;left:50%;top:-16%;transform:translateX(-50%);
  width:1100px;height:760px;max-width:130vw;
  background:radial-gradient(ellipse at center, rgba(99,102,241,.26), rgba(6,182,212,.10) 42%, transparent 70%);
  filter:blur(26px);
}

.hero2-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center}

/* Eyebrow tipo "pill" con ícono SVG */
.eyebrow2{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--cyan-bright);
  background:rgba(34,211,238,.07);border:1px solid rgba(34,211,238,.22);
  padding:7px 15px;border-radius:999px;backdrop-filter:blur(6px);
  margin-bottom:28px;
}
.eyebrow2 svg{color:var(--cyan-bright);flex:none}

/* Título */
.hero2-title{
  font-family:'Space Grotesk','Inter',sans-serif;font-weight:700;
  font-size:clamp(2.5rem,6.2vw,5rem);line-height:1.04;letter-spacing:-.035em;
  max-width:18ch;margin:0 auto;
}
.hero2-title .grad{
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent;
}

.hero2-sub{
  margin:24px auto 0;color:var(--muted);max-width:60ch;
  font-size:clamp(1.05rem,1.5vw,1.25rem);line-height:1.6;
}

.hero2-cta{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:34px}
.hero2 .btn{padding:14px 26px;font-size:15px}

/* ---------- Mockup de dashboard ---------- */
.hero2-stage{
  width:100%;max-width:980px;margin:clamp(56px,8vh,92px) auto 0;
  perspective:1800px;
}
.mock{
  position:relative;border-radius:16px;overflow:hidden;text-align:left;
  background:linear-gradient(180deg,#0f1626,#0b101c);
  border:1px solid rgba(255,255,255,.09);
  box-shadow:0 40px 90px -30px rgba(0,0,0,.8), 0 0 0 1px rgba(255,255,255,.02) inset;
  transform:rotateX(13deg) scale(.98);transform-origin:50% 0;
  transition:transform .6s var(--ease);will-change:transform;
}
/* halo de color reflejado en el borde superior */
.mock::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;z-index:5;
  background:linear-gradient(90deg,transparent,rgba(99,102,241,.7),rgba(34,211,238,.7),transparent);
}

.mock-bar{
  display:flex;align-items:center;gap:8px;padding:13px 16px;
  background:rgba(255,255,255,.025);border-bottom:1px solid rgba(255,255,255,.06);
}
.mock-dot{width:11px;height:11px;border-radius:50%;background:#2a3450}
.mock-dot:nth-child(1){background:#ff5f57}.mock-dot:nth-child(2){background:#febc2e}.mock-dot:nth-child(3){background:#28c840}
.mock-pill{
  margin-left:14px;flex:1;max-width:280px;height:24px;border-radius:7px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.06);
  display:flex;align-items:center;padding:0 12px;
  font-size:12px;color:var(--muted-2);font-family:'Inter',monospace;
}

.mock-body{display:flex;min-height:330px}
.mock-side{
  width:74px;flex:none;padding:18px 0;border-right:1px solid rgba(255,255,255,.06);
  display:flex;flex-direction:column;align-items:center;gap:16px;background:rgba(255,255,255,.015);
}
.mock-brand{width:34px;height:34px;border-radius:10px;background:var(--grad);box-shadow:0 6px 18px -6px rgba(99,102,241,.7)}
.mock-nav{width:30px;height:30px;border-radius:9px;background:rgba(255,255,255,.06)}
.mock-nav.active{background:rgba(34,211,238,.18);box-shadow:inset 0 0 0 1px rgba(34,211,238,.4)}

.mock-main{flex:1;padding:22px 24px;display:flex;flex-direction:column;gap:18px}
.mock-head{display:flex;align-items:center;justify-content:space-between}
.mock-hello{width:180px;height:18px;border-radius:6px;background:rgba(255,255,255,.12)}
.mock-avatar{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.08)}

.mock-feature{
  position:relative;border-radius:14px;padding:22px;overflow:hidden;
  background:linear-gradient(120deg,#6366F1,#22D3EE);
}
.mf-tag{width:88px;height:13px;border-radius:5px;background:rgba(255,255,255,.45);margin-bottom:14px}
.mf-title{width:62%;height:24px;border-radius:7px;background:rgba(255,255,255,.92);margin-bottom:10px}
.mf-line{width:42%;height:13px;border-radius:5px;background:rgba(255,255,255,.55)}
.mf-btn{width:120px;height:36px;border-radius:9px;background:rgba(255,255,255,.92);margin-top:18px}

.mock-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.kpi{
  background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.07);
  border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px;
}
.kpi b{font-family:'Space Grotesk',sans-serif;font-size:24px;font-weight:700;color:var(--txt);letter-spacing:-.02em}
.kpi i{width:70%;height:11px;border-radius:5px;background:rgba(255,255,255,.12)}

.mock-chart{
  display:flex;align-items:flex-end;gap:12px;height:120px;padding:18px;
  background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.06);border-radius:12px;
}
.mock-chart span{flex:1;border-radius:6px 6px 3px 3px;background:linear-gradient(180deg,#6366F1,rgba(34,211,238,.35));min-height:8px}

/* Reduced motion: mockup recto, sin animaciones de entrada */
@media (prefers-reduced-motion:reduce){
  .mock{transform:none}
}

@media (max-width:760px){
  .hero2-stage{perspective:none}
  .mock{transform:none}
  .mock-side{width:56px}
  .mock-body{min-height:0}
  .mock-chart{height:96px}
}

/* ============================================================
   HERO — futurista con video del robot a pantalla completa.
   El video se FUNDE con la página: bordes con máscara (sin rectángulo),
   tinte violeta a juego con el robot y fondo violeta profundo.
   Texto a la izquierda + botones estilo Stripe. 100% CSS.
   ============================================================ */
.vhero{
  position:relative;overflow:hidden;isolation:isolate;
  min-height:94vh;min-height:94svh;display:flex;align-items:center;
  /* fondo OSCURO (combina con el nuevo video del robot violeta sobre fondo
     oscuro tech): los bordes difuminados del video se funden en oscuro, no en
     gris. Un toque violeta/cian sutil cerca del robot para empalmar con él. */
  background:
    radial-gradient(70% 80% at 60% 34%, rgba(124,92,255,.20), transparent 60%),
    radial-gradient(90% 90% at 60% 38%, rgba(34,211,238,.10), transparent 64%),
    radial-gradient(130% 120% at 58% 40%, #141826 0%, #0f1320 42%, #0a0e18 76%, #070912 100%);
}

/* --- Capa del ROBOT: SIN desplazamiento → el video cubre TODA la pantalla
   (object-fit cover). El pequeño scale es solo para el parallax. */
.vhero-media{position:absolute;inset:0;z-index:0;transform:scale(1.03)}
/* parche que tapa la marca de agua; viaja con el video (misma capa) */
.vhero-wm{
  position:absolute;inset:0;z-index:3;pointer-events:none;
  /* VIÑETA INFERIOR (cine): en vez de un parche puntual (que se veía como mancha),
     oscurecemos suavemente TODO el borde de abajo y reforzamos la esquina derecha.
     La marca de Veo está pegada al borde inferior (~94% alto), así que cae dentro
     de la viñeta y se disuelve, leyéndose como un degradado natural del video.
     Anclado al borde (no a un punto exacto) → muy tolerante a la posición. */
  /* la marca ✦ ya se recorta fuera de pantalla (ancho 114% del video), así que
     aquí solo queda un fundido inferior suave para empalmar con la sección. */
  background:
    linear-gradient(to top,
      rgba(9,8,16,.82) 0%, rgba(9,8,16,.34) 7%, transparent 15%);
}
.vhero-video{
  /* el video se hace MÁS ANCHO que la pantalla y se ancla a la izquierda, de
     modo que su borde derecho (donde Gemini pone la marca ✦) queda RECORTADO
     fuera de pantalla. Así la marca desaparece de raíz, sin sombras ni parches. */
  position:absolute;top:0;bottom:0;left:0;right:auto;
  width:110%;height:100%;
  object-fit:cover;object-position:50% 38%;
  /* difumina SOLO los bordes exteriores para fundirse, sin tapar el robot */
  -webkit-mask-image:radial-gradient(ellipse 100% 100% at 46% 42%, #000 62%, transparent 94%);
          mask-image:radial-gradient(ellipse 100% 100% at 46% 42%, #000 62%, transparent 94%);
}
/* oscurecido suave y FIJO (no se mueve con el robot): solo lo justo para leer
   el texto (izquierda) y fundir el borde inferior con el resto de la página. */
.vhero-tint{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    /* refuerzo a la izquierda SOLO para legibilidad del texto (tono acero, no negro) */
    linear-gradient(90deg, rgba(22,24,30,.68) 0%, rgba(22,24,30,.26) 26%, transparent 52%),
    /* fundido inferior suave para empalmar con la siguiente sección */
    linear-gradient(180deg, transparent 78%, rgba(20,22,28,.55) 100%);
}
/* matiz violeta sutil sobre toda la escena (combina el gris acero con el robot) */
.vhero-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 70% at 66% 44%, rgba(124,92,255,.20), transparent 70%);
  mix-blend-mode:screen;
}

/* --- Contenido --- */
/* el contenido del hero se corre a la IZQUIERDA del espectador (hay espacio
   libre ahí): en vez de centrar el contenedor, anclamos el texto a la izquierda
   con un margen cómodo que se adapta al ancho de pantalla. */
.vhero-inner{position:relative;z-index:2;width:100%;max-width:none;margin:0;padding-left:clamp(24px,7vw,140px);padding-right:24px}
.vhero-copy{max-width:600px;padding-top:90px}

.vhero-eyebrow{
  display:inline-block;font-size:15px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:#22d3ee;margin-bottom:20px;
  /* color llamativo + resplandor sutil para que destaque y se lea sobre el video */
  text-shadow:0 0 18px rgba(34,211,238,.55),0 1px 10px rgba(8,6,24,.6);
}
.vhero-title{
  font-family:'Space Grotesk','Inter',sans-serif;font-weight:700;color:#fff;
  letter-spacing:-.035em;line-height:1.05;font-size:clamp(2.6rem,5.6vw,4.6rem);
  text-shadow:0 2px 30px rgba(8,6,24,.5);
}
.vhero-title .vgrad{
  background:linear-gradient(110deg,#a78bfa 0%,#818cf8 45%,#22d3ee 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.vhero-sub{
  margin-top:24px;color:#cdc7e8;max-width:48ch;
  font-size:clamp(1.08rem,1.5vw,1.28rem);line-height:1.6;
  text-shadow:0 1px 18px rgba(8,6,24,.6);
}
.vhero-cta{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:36px}

.btn-stripe{
  position:relative;overflow:hidden;isolation:isolate;
  display:inline-flex;align-items:center;justify-content:center;
  background:#635bff;color:#fff;font-weight:600;font-size:16px;
  padding:13px 26px;border-radius:999px;
  box-shadow:0 8px 24px -8px rgba(99,91,255,.7);
  transition:transform .2s var(--ease),background .2s,box-shadow .3s;
  /* resplandor que late suavemente (elegante y llamativo) */
  animation:btnGlow 2.4s ease-in-out infinite;
}
/* destello de luz que recorre el botón cada pocos segundos */
.btn-stripe::before{
  content:"";position:absolute;top:0;left:-130%;width:75%;height:100%;z-index:1;
  background:linear-gradient(100deg,transparent 0%,rgba(255,255,255,.85) 50%,transparent 100%);
  transform:skewX(-18deg);
  animation:btnShine 3s ease-in-out infinite;
}
.btn-stripe > *{position:relative;z-index:2}
.btn-stripe:hover{background:#5249e6;transform:translateY(-2px);box-shadow:0 16px 40px -8px rgba(124,92,255,.95),0 0 26px rgba(34,211,238,.45)}
@keyframes btnGlow{
  0%,100%{box-shadow:0 8px 24px -8px rgba(99,91,255,.7)}
  50%{box-shadow:0 12px 34px -6px rgba(124,92,255,1),0 0 30px rgba(124,92,255,.7)}
}
@keyframes btnShine{
  0%{left:-130%}
  /* el destello cruza rápido y luego espera (por eso solo en el primer tramo) */
  42%,100%{left:130%}
}
.btn-link{
  display:inline-flex;align-items:center;gap:7px;color:#cbc4ff;font-weight:700;font-size:16px;
  text-shadow:0 1px 12px rgba(6,8,20,.8);
  transition:gap .2s var(--ease),color .2s;
}
.btn-link::after{content:"→";transition:transform .2s var(--ease)}
.btn-link:hover{color:#fff}
.btn-link:hover::after{transform:translateX(4px)}

/* --- Header: texto claro mientras flota sobre el hero oscuro --- */
.site-header{position:fixed;left:0;right:0}
/* Sobre el video el robot es claro → sombra sutil para que el texto del header
   se lea siempre con nitidez (sin depender de backdrop-filter, que Edge no pinta). */
.site-header:not(.scrolled) .logo-text{color:rgba(255,255,255,.92);text-shadow:0 1px 12px rgba(6,8,20,.75)}
.site-header:not(.scrolled) .logo-text b{color:#fff}
.site-header:not(.scrolled) .nav-link{color:#fff;text-shadow:0 1px 12px rgba(6,8,20,.8)}
.site-header:not(.scrolled) .nav-link:hover,
.site-header:not(.scrolled) .nav-link.active{color:#fff}
.site-header:not(.scrolled) .nav-toggle span{background:#fff}

/* --- Reduced motion: si el video está pausado, igual se ve el 1er frame --- */
@media (prefers-reduced-motion:reduce){
  .vhero-video{animation:none}
  .btn-stripe,.btn-stripe::before{animation:none}
}

/* --- Responsive --- */
@media (max-width:900px){
  .vhero{min-height:88vh;align-items:flex-end;padding-bottom:8vh}
  .vhero-media{transform:none}
  .vhero-video{object-position:60% 36%}
  .vhero-copy{padding-top:0;max-width:none;text-align:left}
  /* en móvil el oscurecido cubre más para que el texto siempre se lea */
  .vhero-tint{
    background:
      linear-gradient(180deg, rgba(18,11,42,.40) 0%, transparent 30%, rgba(10,10,24,.86) 78%, #0a0a18 100%),
      radial-gradient(80% 60% at 60% 30%, rgba(124,92,255,.18), transparent 70%);
  }
}
@media (max-width:760px){
  .vhero-sub{max-width:none}
}