/* ─────────────────────────────────────────────────────────────
   SPHERA — Estilos globales
   Autor: Sphera · sphera.cl
   ───────────────────────────────────────────────────────────── */

/* ─── Reset ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button,input,textarea,select{font-family:inherit}

/* ─── Tokens / Variables ─── */
:root{
  --p:       #5f35ac;   /* purple principal */
  --pd:      #301b58;   /* purple dark      */
  --pp:      #1a0c33;   /* purple profundo  */
  --a:       #9a71ff;   /* acento           */
  --ad:      rgba(154,113,255,.12); /* acento dim */
  --ink:     #12101e;
  --body:    #3c3a50;
  --muted:   #7f7d94;
  --surf:    #ffffff;
  --surf2:   #f6f5fc;
  --bdr:     rgba(0,0,0,.07);
  --foot:    #0e0c18;
  --ff:      'Poppins', system-ui, sans-serif;
  --w:       1160px;
}

/* ─── Dark mode (sistema operativo) ─── */
@media(prefers-color-scheme:dark){
  :root{
    --ink:#e4e0f8;--body:#a8a4c8;--muted:#6a6688;
    --surf:#100e1c;--surf2:#17152a;--bdr:rgba(255,255,255,.06);
  }
}

/* ─── Overrides manuales por atributo ─── */
:root[data-theme="light"]{
  --ink:#12101e;--body:#3c3a50;--muted:#7f7d94;
  --surf:#fff;--surf2:#f6f5fc;--bdr:rgba(0,0,0,.07);
}
:root[data-theme="dark"]{
  --ink:#e4e0f8;--body:#a8a4c8;--muted:#6a6688;
  --surf:#100e1c;--surf2:#17152a;--bdr:rgba(255,255,255,.06);
}

/* ─── Base ─── */
html{scroll-behavior:smooth}
body{font-family:var(--ff);color:var(--body);background:var(--surf);overflow-x:hidden;line-height:1.6}
.w{max-width:var(--w);margin-inline:auto;padding-inline:48px}
.eyebrow{font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--a)}

/* ─────────────────────────────────────────────────────────────
   NAVEGACIÓN
   ───────────────────────────────────────────────────────────── */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:20px 48px;display:flex;align-items:center;gap:40px;
  transition:background .3s,box-shadow .3s,padding .3s;
}
.nav--on{
  background:var(--pd);
  box-shadow:0 2px 24px rgba(0,0,0,.4);
  padding-top:13px;padding-bottom:13px;
}
.nav-logo img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-links a{font-size:13px;font-weight:500;color:rgba(255,255,255,.7);transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-btn{
  margin-left:16px;padding:10px 22px;border-radius:100px;
  background:var(--a);color:#fff;font-size:13px;font-weight:600;
  transition:transform .18s,background .18s;
}
.nav-btn:hover{transform:translateY(-2px);background:#8051e5}

/* ─────────────────────────────────────────────────────────────
   BOTONES GLOBALES
   ───────────────────────────────────────────────────────────── */
.btn-p{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:100px;font-size:14px;font-weight:700;
  background:var(--a);color:#fff;
  box-shadow:0 4px 20px rgba(154,113,255,.4);
  transition:transform .18s,background .18s;
}
.btn-p:hover{transform:translateY(-2px);background:#8051e5}

.btn-o{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:100px;font-size:14px;font-weight:600;
  background:transparent;color:rgba(255,255,255,.75);
  border:1.5px solid rgba(255,255,255,.25);
  transition:border-color .18s,color .18s;
}
.btn-o:hover{border-color:rgba(255,255,255,.6);color:#fff}

/* ─────────────────────────────────────────────────────────────
   HERO
   ───────────────────────────────────────────────────────────── */
.hero{min-height:100vh;display:grid;grid-template-columns:55fr 45fr}

.hero-l{
  background:var(--pp);
  padding:160px 64px 80px;
  display:flex;flex-direction:column;justify-content:center;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(255,255,255,.4);margin-bottom:28px;
}
.hero-kicker::before{content:'';width:24px;height:1px;background:var(--a)}

.hero-h{
  font-size:clamp(40px,5vw,68px);
  font-weight:900;line-height:1.04;letter-spacing:-2.5px;
  color:#fff;margin-bottom:24px;text-wrap:balance;
}
.hero-h em{color:var(--a);font-style:normal}
.hero-sub{font-size:15px;color:rgba(255,255,255,.6);line-height:1.8;max-width:400px;margin-bottom:40px}
.hero-btns{display:flex;align-items:center;gap:16px;flex-wrap:wrap}

.hero-stats{
  display:flex;gap:40px;margin-top:56px;padding-top:40px;
  border-top:1px solid rgba(255,255,255,.08);
}
.hs-n{font-size:30px;font-weight:800;color:#fff;line-height:1}
.hs-sup{font-size:15px;color:var(--a);font-weight:700}
.hs-l{font-size:11px;color:rgba(255,255,255,.4);margin-top:5px;font-weight:500}

.hero-r{position:relative;overflow:hidden;background:var(--p)}
.hero-r img{
  width:100%;height:100%;object-fit:cover;object-position:center top;
  mix-blend-mode:luminosity;opacity:.55;
}
.hero-r::before{
  content:'';position:absolute;inset:0;z-index:1;
  background:linear-gradient(140deg,var(--p) 0%,transparent 55%);
}

.h-badge{
  position:absolute;z-index:10;
  background:rgba(26,12,51,.7);backdrop-filter:blur(16px);
  border:1px solid rgba(154,113,255,.3);border-radius:12px;
  padding:14px 18px;
}
.h-badge--a{top:28%;left:8%}
.h-badge--b{bottom:26%;right:8%}
.hb-tag{font-size:9px;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.4);font-weight:600}
.hb-val{font-size:22px;font-weight:800;color:#fff;line-height:1.1;margin-top:2px}
.hb-note{font-size:10px;color:rgba(255,255,255,.35);margin-top:2px}

/* ─────────────────────────────────────────────────────────────
   MANIFIESTO
   ───────────────────────────────────────────────────────────── */
.stmt{background:#0d0b1a;padding:96px 0}
.stmt-inner{max-width:820px;margin-inline:auto;padding-inline:48px;text-align:center}
.stmt-q{
  font-size:clamp(22px,3.2vw,40px);font-weight:700;line-height:1.3;
  color:rgba(255,255,255,.88);text-wrap:balance;margin-bottom:28px;
}
.stmt-q strong{color:var(--a)}
.stmt-a{font-size:15px;color:rgba(255,255,255,.4);max-width:500px;margin-inline:auto;line-height:1.8}

/* ─────────────────────────────────────────────────────────────
   SERVICIOS — lista editorial
   ───────────────────────────────────────────────────────────── */
.services{background:var(--surf);padding:96px 0}
.sh{margin-bottom:48px}
.sh .eyebrow{display:block;margin-bottom:12px}
.sh h2{font-size:clamp(26px,3vw,40px);font-weight:800;color:var(--ink);letter-spacing:-1.5px}
.sh p{font-size:15px;color:var(--muted);margin-top:10px}

.svc-list{border-top:1px solid var(--bdr)}
.svc-row{
  display:grid;grid-template-columns:28px 200px 1fr auto;
  gap:32px;padding:28px 0;border-bottom:1px solid var(--bdr);
  align-items:start;transition:background .2s;cursor:default;
}
.svc-row:hover{background:var(--surf2);margin-inline:-48px;padding-inline:48px}
.svc-n{font-size:12px;font-weight:700;color:var(--a);padding-top:3px}
.svc-nm{font-size:15px;font-weight:700;color:var(--ink)}
.svc-d{font-size:14px;color:var(--body);line-height:1.7}
.svc-tc{display:flex;flex-direction:column;align-items:flex-end;gap:5px}
.svc-t{
  font-size:10px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
  color:var(--a);background:var(--ad);padding:3px 8px;border-radius:4px;white-space:nowrap;
}

/* ─────────────────────────────────────────────────────────────
   NOSOTROS — rediseñado
   ───────────────────────────────────────────────────────────── */
.about{background:#0d0b1a;padding:112px 0;position:relative;overflow:hidden}

/* Split: texto + canvas */
.about-split{
  display:grid;grid-template-columns:1fr 420px;
  gap:88px;align-items:center;margin-bottom:96px;
}
.about-text .eyebrow{display:block;margin-bottom:20px}
.about-h{
  font-size:clamp(32px,4.5vw,56px);font-weight:900;
  letter-spacing:-2px;line-height:1.05;
  color:#fff;margin-bottom:28px;text-wrap:balance;
}
.about-lead{
  font-size:17px;color:rgba(255,255,255,.65);
  line-height:1.8;margin-bottom:18px;
}
.about-sub{
  font-size:14px;color:rgba(255,255,255,.32);
  line-height:1.85;
}
.about-visual{
  width:100%;aspect-ratio:1;
  max-width:420px;margin-inline:auto;
}
#sphera-canvas{display:block;width:100%;height:100%}

/* Tres bloques */
.about-blocks{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid rgba(255,255,255,.07);
  margin-bottom:96px;
}
.about-block{
  padding:52px 52px 52px 0;
  border-right:1px solid rgba(255,255,255,.07);
  position:relative;transition:background .3s;
}
.about-block:last-child{border-right:none;padding-right:0;padding-left:52px}
.about-block:nth-child(2){padding-left:52px}
.about-block::after{
  content:'';position:absolute;bottom:0;left:0;right:0;
  height:2px;background:var(--a);
  transform:scaleX(0);transform-origin:left;
  transition:transform .35s cubic-bezier(.4,0,.2,1);
}
.about-block:hover::after{transform:scaleX(1)}
.ab-num{
  display:block;
  font-size:11px;font-weight:700;letter-spacing:.12em;
  color:var(--a);margin-bottom:10px;
}
.ab-label{
  display:block;
  font-size:10px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:rgba(255,255,255,.22);
  margin-bottom:20px;
}
.about-block h3{
  font-size:clamp(16px,1.5vw,20px);font-weight:800;
  color:#fff;line-height:1.3;letter-spacing:-.4px;margin-bottom:14px;
}
.about-block p{font-size:14px;color:rgba(255,255,255,.42);line-height:1.8}

/* Cierre */
.about-close{
  text-align:center;
  padding-top:88px;
  border-top:1px solid rgba(255,255,255,.07);
}
.about-claim{
  font-size:clamp(28px,4vw,52px);font-weight:900;
  color:#fff;line-height:1.15;letter-spacing:-1.5px;
  margin-bottom:44px;text-wrap:balance;
}
.about-claim em{color:var(--a);font-style:normal}

/* Reveal animation */
.ab-reveal{opacity:0;transform:translateY(24px);transition:opacity .65s ease,transform .65s ease}
.ab-reveal.is-visible{opacity:1;transform:translateY(0)}

/* ─────────────────────────────────────────────────────────────
   PREGUNTAS FRECUENTES
   ───────────────────────────────────────────────────────────── */
.qa{background:var(--surf2);padding:96px 0}
.qh{text-align:center;margin-bottom:52px}
.qh .eyebrow{display:block;margin-bottom:12px}
.qh h2{font-size:clamp(24px,3vw,38px);font-weight:800;color:var(--ink);letter-spacing:-1px}
.qh p{font-size:15px;color:var(--muted);margin-top:10px}

.qa-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;max-width:880px;margin-inline:auto}

details.qi{border-bottom:1px solid var(--bdr);padding:2px 0}
details.qi:nth-child(odd){border-right:1px solid var(--bdr);padding-right:36px}
details.qi:nth-child(even){padding-left:36px}

summary.qq{
  font-size:14px;font-weight:700;color:var(--ink);
  padding:18px 0 0;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  list-style:none;-webkit-appearance:none;
}
details.qi:not([open]) summary.qq{padding-bottom:18px}
summary.qq::-webkit-details-marker{display:none}
summary.qq::after{
  content:'';flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:var(--ad);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath d='M5 2v6M2 5h6' stroke='%239a71ff' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:center;
  transition:transform .2s;
}
details.qi[open] summary.qq::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath d='M2 5h6' stroke='%239a71ff' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
}
.qa-ans{font-size:13px;color:var(--body);line-height:1.75;padding:4px 0 18px}

/* ─────────────────────────────────────────────────────────────
   PROYECTOS
   ───────────────────────────────────────────────────────────── */
.projects{background:var(--surf);padding:96px 0}
.ph{margin-bottom:48px}
.ph .eyebrow{display:block;margin-bottom:12px}
.ph h2{font-size:clamp(26px,3vw,40px);font-weight:800;color:var(--ink);letter-spacing:-1.5px}

.proj-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:2px;background:var(--bdr);border-radius:16px;overflow:hidden;
}
.pc{background:var(--surf);padding:44px 36px;transition:background .2s}
.pc:hover{background:var(--surf2)}
.pc-sec{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:28px}
.pc-num{font-size:clamp(48px,6vw,68px);font-weight:900;color:var(--p);letter-spacing:-3px;line-height:1}
.pc-nl{font-size:13px;font-weight:600;color:var(--body);margin-bottom:20px;margin-top:4px}
.pc-t{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:12px}
.pc-d{font-size:13px;color:var(--muted);line-height:1.75}

/* ─────────────────────────────────────────────────────────────
   TESTIMONIOS
   ───────────────────────────────────────────────────────────── */
.tests{background:var(--pp);padding:96px 0}
.th{text-align:center;margin-bottom:52px}
.th .eyebrow{color:rgba(255,255,255,.35);display:block;margin-bottom:12px}
.th h2{font-size:clamp(24px,3vw,36px);font-weight:800;color:#fff;letter-spacing:-1px}

.t-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.tc{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:16px;padding:36px;
}
.t-q{
  font-size:15px;color:rgba(255,255,255,.75);
  line-height:1.8;margin-bottom:28px;font-style:italic;
  position:relative;padding-left:20px;
}
.t-q::before{
  content:'\201C';position:absolute;left:0;top:-4px;
  font-size:32px;font-weight:900;color:var(--a);font-style:normal;line-height:1;
}
.t-who{display:flex;align-items:center;gap:14px}
.t-av{
  width:44px;height:44px;border-radius:50%;overflow:hidden;
  background:var(--ad);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.t-nm{font-size:14px;font-weight:700;color:#fff}
.t-ro{font-size:12px;color:rgba(255,255,255,.35);margin-top:2px}

/* ─────────────────────────────────────────────────────────────
   EQUIPO (oculto — descomentar en index.html cuando estén las fotos)
   ───────────────────────────────────────────────────────────── */
.team{background:var(--surf);padding:96px 0}
.tmh{margin-bottom:52px}
.tmh .eyebrow{display:block;margin-bottom:12px}
.tmh h2{font-size:clamp(26px,3vw,40px);font-weight:800;color:var(--ink);letter-spacing:-1.5px}
.tmh p{font-size:15px;color:var(--muted);margin-top:10px;max-width:480px}
.tm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:860px}
.tmc{
  background:var(--surf2);border-radius:16px;overflow:hidden;
  border:1px solid var(--bdr);transition:transform .25s,box-shadow .25s;
}
.tmc:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.1)}
.tm-photo{height:280px;overflow:hidden;background:var(--ad)}
.tm-photo img{width:100%;height:100%;object-fit:cover;object-position:center top}
.tm-body{padding:24px}
.tm-nm{font-size:16px;font-weight:700;color:var(--ink)}
.tm-ro{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--a);font-weight:600;margin-top:3px}
.tm-bi{font-size:13px;color:var(--muted);margin-top:10px;line-height:1.65}

/* ─────────────────────────────────────────────────────────────
   CLIENTES — carrusel
   ───────────────────────────────────────────────────────────── */
.clients{background:var(--surf2);padding:72px 0}
.cl-h{text-align:center;margin-bottom:40px}
.cl-h .eyebrow{display:block;margin-bottom:8px}
.cl-h h2{font-size:18px;font-weight:700;color:var(--ink)}

.mq-wrap{
  width:100%;overflow:hidden;
  -webkit-mask-image:linear-gradient(to right,transparent 0%,#000 12%,#000 88%,transparent 100%);
  mask-image:linear-gradient(to right,transparent 0%,#000 12%,#000 88%,transparent 100%);
}
.mq-track{display:flex;align-items:center;width:max-content;animation:mq 22s linear infinite}
.mq-wrap:hover .mq-track{animation-play-state:paused}
.mq-track img{height:56px;width:auto;flex-shrink:0;padding-inline:48px;filter:grayscale(1) opacity(.4);transition:filter .25s}
.mq-wrap:hover .mq-track img{filter:none}

@keyframes mq{
  0%  {transform:translateX(0)}
  100%{transform:translateX(-50%)}
}

/* ─────────────────────────────────────────────────────────────
   CONTACTO
   ───────────────────────────────────────────────────────────── */
.contact{background:var(--surf);padding:96px 0}
.ci{display:grid;grid-template-columns:1fr 1.3fr;gap:80px;align-items:start}
.ct .eyebrow{display:block;margin-bottom:16px}
.ct h2{font-size:clamp(26px,3vw,40px);font-weight:800;color:var(--ink);letter-spacing:-1.5px;line-height:1.1;margin-bottom:18px}
.ct p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:32px}
.ci-items{display:flex;flex-direction:column;gap:16px}
.ci-row{display:flex;align-items:center;gap:12px}
.ci-ico{
  width:38px;height:38px;border-radius:10px;
  background:var(--ad);display:flex;align-items:center;justify-content:center;
  font-size:16px;flex-shrink:0;
}
.ci-lb{font-size:11px;color:var(--muted)}
.ci-vl{font-size:14px;font-weight:600;color:var(--ink)}

.cf{background:var(--surf2);border-radius:20px;border:1px solid var(--bdr);padding:36px;box-shadow:0 4px 32px rgba(0,0,0,.05)}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.f1{margin-bottom:14px}
.fl{font-size:12px;font-weight:600;color:var(--ink);display:block;margin-bottom:6px;letter-spacing:.02em}
.fi,.fs,.ft{
  width:100%;padding:12px 14px;
  border:1.5px solid var(--bdr);border-radius:10px;
  background:var(--surf);color:var(--ink);font-size:14px;
  outline:none;transition:border .2s;
}
.fi:focus,.fs:focus,.ft:focus{border-color:var(--a)}
.ft{resize:vertical;min-height:110px;line-height:1.65}
.fs-btn{
  width:100%;padding:14px;border-radius:100px;
  background:var(--a);color:#fff;font-size:15px;font-weight:700;
  border:none;cursor:pointer;margin-top:6px;
  box-shadow:0 4px 18px rgba(154,113,255,.35);
  transition:transform .18s,background .18s;
}
.fs-btn:hover{transform:translateY(-2px);background:#8051e5}

/* ─────────────────────────────────────────────────────────────
   FOOTER
   ───────────────────────────────────────────────────────────── */
.footer{background:var(--foot);padding:72px 48px 32px}
.ft-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:52px}
.ft-logo img{height:34px;width:auto}
.ft-brand p{font-size:13px;color:rgba(255,255,255,.3);margin-top:14px;line-height:1.75;max-width:240px}
.ft-col h4{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.25);margin-bottom:16px}
.ft-col ul{display:flex;flex-direction:column;gap:10px}
.ft-col a{font-size:13px;color:rgba(255,255,255,.4);transition:color .2s}
.ft-col a:hover{color:#fff}
.ft-btm{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.06);
}
.ft-btm p{font-size:12px;color:rgba(255,255,255,.2)}

/* ─────────────────────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────────────────────── */
@media(max-width:1000px){
  .about-split{grid-template-columns:1fr;gap:52px}
  .about-visual{max-width:320px}
  .about-blocks{grid-template-columns:1fr}
  .about-block{padding:40px 0 !important;border-right:none;border-bottom:1px solid rgba(255,255,255,.07)}
  .about-block:last-child{border-bottom:none}
  .w{padding-inline:28px}
  .nav{padding-inline:28px}
  .footer{padding-inline:28px}
  .hero{grid-template-columns:1fr}
  .hero-r{display:none}
  .hero-l{padding:140px 32px 72px}
  .svc-row{grid-template-columns:28px 1fr;gap:16px}
  .svc-d{grid-column:2}
  .svc-tc{grid-column:2;flex-direction:row;flex-wrap:wrap;justify-content:flex-start}
  .svc-row:hover{margin-inline:0;padding-inline:0}
  .qa-grid{grid-template-columns:1fr}
  details.qi:nth-child(odd){border-right:none;padding-right:0}
  details.qi:nth-child(even){padding-left:0}
  .proj-grid{grid-template-columns:1fr}
  .t-grid{grid-template-columns:1fr}
  .tm-grid{grid-template-columns:1fr 1fr}
  .ci{grid-template-columns:1fr}
  .ft-top{grid-template-columns:1fr 1fr}
}

@media(max-width:580px){
  .w{padding-inline:20px}
  .hero-l{padding:120px 20px 60px}
  .hero-stats{gap:24px;flex-wrap:wrap}
  .f2{grid-template-columns:1fr}
  .tm-grid{grid-template-columns:1fr}
  .nav-links,.nav-btn{display:none}
  .ft-top{grid-template-columns:1fr}
  .footer{padding:48px 20px 24px}
}