/* ============================================================
   Landing comercial Synchronia (solo instancia demo, PUBLIC_LANDING=1)
   Spec: docs/superpowers/specs/2026-07-20-landing-synchronia-design.html
   Paleta "Aurora tech": dark #050810 + gradiente cian→azul→violeta.
   Sin dependencias externas (CSP: todo self-hosted).
   ============================================================ */
:root{
  --bg:#050810; --panel:#0a0f1e; --ink:#f8fafc; --muted:#9fb0c9; --dim:#71849f;
  --line:rgba(148,163,184,.14); --cyan:#22d3ee; --violet:#a78bfa; --blue:#60a5fa;
  --grad:linear-gradient(100deg,#22d3ee 0%,#60a5fa 50%,#a78bfa 100%);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:'Inter',system-ui,sans-serif;line-height:1.6;overflow-x:hidden}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
a{text-decoration:none;color:inherit;cursor:pointer}
svg{flex:none}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

/* scroll progress */
#progress{position:fixed;top:0;left:0;height:2.5px;width:0;background:var(--grad);z-index:100;box-shadow:0 0 12px rgba(96,165,250,.8)}

/* ====== BACKDROP ====== */
.aurora{position:fixed;inset:0;z-index:-3;overflow:hidden;background:var(--bg)}
.aurora::after{content:"";position:absolute;inset:0;background: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='0.05'/%3E%3C/svg%3E");mix-blend-mode:overlay}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;will-change:transform}
.b1{width:640px;height:640px;left:-160px;top:-220px;background:radial-gradient(circle,#1d4ed8 0%,transparent 65%);animation:drift1 26s ease-in-out infinite alternate}
.b2{width:520px;height:520px;right:-140px;top:-60px;background:radial-gradient(circle,#7c3aed 0%,transparent 65%);animation:drift2 32s ease-in-out infinite alternate}
.b3{width:460px;height:460px;left:34%;top:30%;background:radial-gradient(circle,#0891b2 0%,transparent 68%);opacity:.32;animation:drift3 38s ease-in-out infinite alternate}
@keyframes drift1{to{transform:translate(90px,70px) scale(1.12)}}
@keyframes drift2{to{transform:translate(-70px,110px) scale(.94)}}
@keyframes drift3{to{transform:translate(-120px,-60px) scale(1.18)}}
.grid-overlay{position:fixed;inset:0;z-index:-2;background-image:linear-gradient(rgba(148,163,184,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.045) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(75% 60% at 50% 0%,#000 30%,transparent 100%);mask-image:radial-gradient(75% 60% at 50% 0%,#000 30%,transparent 100%)}
#spot{position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(440px circle at var(--mx,50%) var(--my,30%),rgba(96,165,250,.09),transparent 70%)}
.beam{position:absolute;top:0;height:340px;width:1.5px;background:linear-gradient(180deg,transparent,rgba(125,211,252,.75),transparent);transform:rotate(24deg);animation:beam 7s linear infinite;opacity:0}
.beam.d2{left:70%;animation-delay:3.4s;height:260px}
@keyframes beam{0%{opacity:0;transform:rotate(24deg) translateY(-360px)}12%{opacity:.9}45%{opacity:0}100%{opacity:0;transform:rotate(24deg) translateY(70vh)}}

/* ====== NAV ====== */
nav{position:sticky;top:16px;z-index:50}
.navpill{display:flex;align-items:center;justify-content:space-between;background:rgba(10,15,30,.72);border:1px solid var(--line);border-radius:99px;padding:10px 12px 10px 22px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 8px 32px rgba(2,6,17,.55), inset 0 1px 0 rgba(248,250,252,.05)}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.2px}
.logo-mark{width:30px;height:30px;border-radius:9px;background:var(--grad);display:grid;place-items:center;box-shadow:0 0 18px rgba(96,165,250,.5)}
.navlinks{display:flex;gap:28px;font-size:14px;color:var(--muted);font-weight:500}
.navlinks a{transition:color .2s}.navlinks a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:9px;padding:11px 24px;border-radius:99px;font-weight:700;font-size:14.5px;transition:transform .2s,box-shadow .25s,background .2s;cursor:pointer;border:0;position:relative;overflow:hidden}
.btn-grad{background:var(--grad);color:#04101c;box-shadow:0 4px 22px rgba(56,189,248,.38)}
.btn-grad::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.55) 50%,transparent 70%);transform:translateX(-110%);animation:sheen 4.5s ease-in-out infinite}
@keyframes sheen{0%,60%{transform:translateX(-110%)}80%,100%{transform:translateX(110%)}}
.btn-grad:hover{box-shadow:0 6px 34px rgba(56,189,248,.6);transform:translateY(-1px)}
.btn-ghost{border:1px solid rgba(148,163,184,.28);color:var(--ink);background:rgba(148,163,184,.05)}
.btn-ghost:hover{background:rgba(148,163,184,.12)}

/* ====== HERO ====== */
.hero{padding:92px 0 96px;position:relative}
.hero .wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.8px;color:#7dd3fc;border:1px solid rgba(56,189,248,.3);border-radius:99px;padding:7px 16px;margin-bottom:26px;background:linear-gradient(90deg,rgba(34,211,238,.10),rgba(167,139,250,.10));animation:rise .7s ease both}
.kicker .pulse{width:7px;height:7px;border-radius:50%;background:#34d399;box-shadow:0 0 0 0 rgba(52,211,153,.7);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px transparent}}
h1{font-size:clamp(44px,5.6vw,66px);line-height:1.04;font-weight:800;letter-spacing:-2px;animation:rise .7s .08s ease both}
h1 .shine{background:linear-gradient(100deg,#22d3ee,#60a5fa 40%,#a78bfa 60%,#22d3ee);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 6s linear infinite}
@keyframes shine{to{background-position:200% center}}
.sub{color:var(--muted);font-size:18.5px;margin:24px 0 34px;max-width:47ch;animation:rise .7s .16s ease both}
.sub b{color:#cbe2ff;font-weight:600}
.cta-row{display:flex;gap:16px;align-items:center;flex-wrap:wrap;animation:rise .7s .24s ease both}
.hint{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--dim);margin-top:18px;animation:rise .7s .3s ease both}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}

/* App window 3D + satélites */
.stage{position:relative;perspective:1300px;animation:rise .8s .2s ease both}
.app3d{position:relative;transform:rotateX(6deg) rotateY(-8deg);transform-style:preserve-3d;transition:transform .5s ease}
.stage:hover .app3d{transform:rotateX(0) rotateY(0)}
.ring{position:absolute;inset:-2px;border-radius:20px;background:conic-gradient(from var(--a,0deg),#22d3ee,#60a5fa,#a78bfa,#22d3ee);animation:spin 7s linear infinite;filter:blur(7px);opacity:.55}
@property --a{syntax:'<angle>';initial-value:0deg;inherits:false}
@keyframes spin{to{--a:360deg}}
.window{position:relative;background:linear-gradient(180deg,rgba(20,28,50,.95),rgba(10,15,30,.97));border:1px solid rgba(148,163,184,.22);border-radius:18px;box-shadow:0 40px 90px rgba(2,6,17,.7), inset 0 1px 0 rgba(248,250,252,.07);overflow:hidden}
.titlebar{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--line);background:rgba(5,8,16,.45)}
.tl{width:11px;height:11px;border-radius:50%}
.tl-r{background:#f87171}.tl-y{background:#fbbf24}.tl-g{background:#34d399}
.tab{margin-left:14px;display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);background:rgba(148,163,184,.08);padding:5px 14px;border-radius:8px}
.chatbody{padding:22px 20px 14px;display:flex;flex-direction:column;gap:13px;min-height:296px;position:relative}
.convo{display:flex;flex-direction:column;gap:13px}
.msg{max-width:88%;padding:13px 17px;border-radius:16px;font-size:14.5px;line-height:1.55;opacity:0;transform:translateY(12px)}
.msg.show{opacity:1;transform:none;transition:opacity .45s,transform .45s}
.msg.user{align-self:flex-end;background:linear-gradient(135deg,rgba(167,139,250,.22),rgba(96,165,250,.16));border:1px solid rgba(167,139,250,.35);border-bottom-right-radius:5px}
.msg.ia{align-self:flex-start;background:rgba(34,211,238,.07);border:1px solid rgba(34,211,238,.25);border-bottom-left-radius:5px}
.msg.ia .tag{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;color:var(--cyan);letter-spacing:.6px;margin-bottom:7px}
.msg.ia b{color:#7dd3fc;font-weight:700}
.stockline{display:flex;justify-content:space-between;gap:14px;font-size:13px;border-top:1px dashed rgba(148,163,184,.2);margin-top:9px;padding-top:9px;color:var(--muted)}
.stockline .ok{color:#34d399;font-weight:700}
.typing{align-self:flex-start;display:none;gap:5px;padding:13px 17px;background:rgba(34,211,238,.07);border:1px solid rgba(34,211,238,.25);border-radius:16px;border-bottom-left-radius:5px}
.typing.show{display:inline-flex}
.typing i{width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:blink 1.1s infinite}
.typing i:nth-child(2){animation-delay:.18s}.typing i:nth-child(3){animation-delay:.36s}
@keyframes blink{0%,80%{opacity:.25}40%{opacity:1}}
.chatinput{display:flex;align-items:center;gap:10px;margin:2px 16px 16px;border:1px solid rgba(148,163,184,.22);border-radius:13px;padding:12px 16px;font-size:13.5px;color:var(--dim);background:rgba(5,8,16,.5)}
#ghost{color:#8ea3c2}
.caret{width:1.5px;height:15px;background:var(--cyan);animation:blink 1s infinite}
.send{margin-left:auto;width:30px;height:30px;border-radius:9px;background:var(--grad);display:grid;place-items:center;box-shadow:0 0 14px rgba(56,189,248,.4)}
/* satélites flotantes */
.sat{position:absolute;background:rgba(10,15,30,.85);border:1px solid rgba(148,163,184,.25);border-radius:14px;padding:12px 16px;font-size:12.5px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 18px 40px rgba(2,6,17,.6);display:flex;gap:10px;align-items:center;transform:translateZ(60px)}
.sat b{font-size:15px}
.sat .subt{color:var(--dim)}
.sat.s1{top:-26px;right:-20px;animation:float1 6s ease-in-out infinite}
.sat.s2{bottom:-24px;left:-30px;animation:float2 7s .8s ease-in-out infinite}
.sat .ic{width:30px;height:30px;border-radius:9px;display:grid;place-items:center}
.ic-up{background:rgba(52,211,153,.15);color:#34d399}
.ic-warn{background:rgba(251,191,36,.14);color:#fbbf24}
@keyframes float1{50%{transform:translateZ(60px) translateY(-9px)}}
@keyframes float2{50%{transform:translateZ(60px) translateY(8px)}}

/* ====== MARQUEE ====== */
.marquee{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(5,8,16,.5);overflow:hidden;padding:15px 0;position:relative}
.marquee::before,.marquee::after{content:"";position:absolute;top:0;bottom:0;width:130px;z-index:1;pointer-events:none}
.marquee::before{left:0;background:linear-gradient(90deg,var(--bg),transparent)}
.marquee::after{right:0;background:linear-gradient(-90deg,var(--bg),transparent)}
.mtrack{display:flex;gap:46px;white-space:nowrap;animation:scrollm 26s linear infinite;width:max-content}
.mtrack span{display:inline-flex;gap:10px;align-items:center;font-size:13.5px;font-weight:600;letter-spacing:1.6px;color:var(--dim);text-transform:uppercase}
.mtrack span i{width:5px;height:5px;border-radius:50%;background:var(--grad);display:inline-block}
@keyframes scrollm{to{transform:translateX(-50%)}}

/* ====== METRICS ====== */
.metrics{border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(10,15,30,.65),rgba(10,15,30,.35));backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.metrics .wrap{display:grid;grid-template-columns:repeat(4,1fr);padding:38px 28px}
.metric{text-align:center;position:relative}
.metric+.metric::before{content:"";position:absolute;left:0;top:15%;height:70%;width:1px;background:linear-gradient(180deg,transparent,rgba(148,163,184,.25),transparent)}
.metric b{display:block;font-size:30px;font-weight:800;letter-spacing:-1px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.metric span{font-size:13px;color:var(--muted)}

/* ====== SECTIONS / BENTO ====== */
section.block{padding:96px 0}
.label{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:2.4px;color:#7dd3fc;text-transform:uppercase;margin-bottom:14px}
.label::before{content:"";width:22px;height:1.5px;background:var(--grad)}
h2{font-size:clamp(30px,3.6vw,42px);font-weight:800;letter-spacing:-1.2px;margin-bottom:12px}
.lead{color:var(--muted);max-width:62ch;font-size:16.5px}
/* Progressive enhancement: solo se ocultan para animar si hay JS (html.js). */
html.js .reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
html.js .reveal.in{opacity:1;transform:none}
.bento{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:54px}
.cardG{position:relative;border-radius:20px;padding:1px;background:linear-gradient(160deg,rgba(148,163,184,.28),rgba(148,163,184,.06) 40%,rgba(96,165,250,.25));transition:transform .25s;will-change:transform}
.cardG:hover{transform:translateY(-4px)}
.cardI{position:relative;background:linear-gradient(180deg,#0c1224,#0a0f1e);border-radius:19px;padding:30px;height:100%;transition:box-shadow .25s;overflow:hidden}
.cardI::after{content:"";position:absolute;inset:0;border-radius:19px;background:radial-gradient(320px circle at var(--gx,50%) var(--gy,50%),rgba(125,211,252,.10),transparent 65%);opacity:0;transition:opacity .3s;pointer-events:none}
.cardG:hover .cardI::after{opacity:1}
.cardG:hover .cardI{box-shadow:0 22px 60px rgba(2,6,17,.6),0 0 0 1px rgba(96,165,250,.14), inset 0 1px 0 rgba(248,250,252,.06)}
.fico{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;background:linear-gradient(135deg,rgba(34,211,238,.16),rgba(167,139,250,.16));border:1px solid rgba(96,165,250,.3);color:#7dd3fc}
.cardI h3{font-size:20px;font-weight:700;letter-spacing:-.3px;margin-bottom:8px}
.cardI>p{color:var(--muted);font-size:14.5px;margin-bottom:18px}
.mini-case{font-size:13px;color:#8ea3c2;border-left:2px solid rgba(34,211,238,.45);padding:2px 0 2px 12px;margin-bottom:18px;font-style:italic}
.mock{border:1px solid var(--line);border-radius:13px;background:rgba(5,8,16,.55);padding:14px;font-size:12px;position:relative;z-index:1}
.trow{display:flex;align-items:center;gap:10px;padding:7px 4px;border-bottom:1px solid rgba(148,163,184,.08);color:var(--muted)}
.trow:last-child{border:0}
.badge{margin-left:auto;font-size:10.5px;font-weight:700;padding:3px 9px;border-radius:99px}
.bg-ok{background:rgba(52,211,153,.14);color:#34d399}
.bg-low{background:rgba(251,191,36,.13);color:#fbbf24}
.bg-out{background:rgba(248,113,113,.13);color:#f87171}
.bar{height:7px;border-radius:99px;background:rgba(148,163,184,.12);overflow:hidden;margin-top:10px}
.bar i{display:block;height:100%;width:72%;background:var(--grad);border-radius:99px;animation:load 2.4s ease-in-out infinite alternate}
@keyframes load{from{width:34%}to{width:86%}}
.drop{border:1.5px dashed rgba(96,165,250,.4);border-radius:11px;padding:14px;text-align:center;color:var(--muted);background:rgba(96,165,250,.05)}
.drop b{color:#7dd3fc}
.tline{display:flex;gap:12px;align-items:flex-start;padding:7px 0;color:var(--muted)}
.tdot{width:9px;height:9px;border-radius:50%;margin-top:5px;background:var(--cyan);box-shadow:0 0 8px rgba(34,211,238,.6);flex:none}
.tdot.v{background:var(--violet);box-shadow:0 0 8px rgba(167,139,250,.6)}
.tline small{color:var(--dim);display:block;font-size:10.5px}

/* ====== STEPS ====== */
.stepsbg{background:linear-gradient(180deg,rgba(10,15,30,.7),transparent);border-top:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);margin-top:56px;position:relative}
.steps::before{content:"";position:absolute;top:26px;left:16%;right:16%;height:1.5px;background:linear-gradient(90deg,var(--cyan),var(--blue),var(--violet));opacity:.5}
.step{text-align:center;padding:0 26px;position:relative}
.step .n{width:52px;height:52px;margin:0 auto 20px;border-radius:16px;background:linear-gradient(135deg,#0c1224,#111a33);border:1px solid rgba(96,165,250,.4);display:grid;place-items:center;font-weight:800;font-size:19px;color:#7dd3fc;box-shadow:0 0 24px rgba(96,165,250,.25);position:relative;z-index:1}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}

/* ====== CASES ====== */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:54px}
.case .cardI{padding:26px}
.case h3{font-size:17px;display:flex;align-items:center;gap:10px}
.case p{font-size:13.8px;color:var(--muted);margin-top:8px}

/* ====== FINAL CTA / FOOTER ====== */
.final{position:relative;text-align:center;padding:130px 0 120px;overflow:hidden}
.final::before{content:"";position:absolute;left:50%;bottom:-260px;transform:translateX(-50%);width:820px;height:520px;background:radial-gradient(50% 50% at 50% 50%,rgba(96,165,250,.3),rgba(167,139,250,.12) 55%,transparent 75%);filter:blur(30px)}
.final h2{font-size:clamp(34px,4.4vw,52px)}
.final .grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.final p{color:var(--muted);margin:16px 0 36px;font-size:17px}
.btn-xl{font-size:16.5px;padding:16px 38px}
footer{border-top:1px solid var(--line);padding:30px 0;font-size:13.5px;color:var(--dim);background:rgba(5,8,16,.6)}
footer .wrap{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
footer a{color:var(--muted)}footer a:hover{color:var(--ink)}
.logo-sm{font-size:14px}
.logo-mark-sm{width:24px;height:24px;border-radius:7px}

/* visually hidden (solo lectores de pantalla) */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important}
  html.js .reveal{opacity:1;transform:none}
  .msg{opacity:1;transform:none}
}
@media (max-width:900px){
  .hero .wrap,.bento,.cases{grid-template-columns:1fr}
  .metrics .wrap{grid-template-columns:repeat(2,1fr);gap:24px}
  .steps{grid-template-columns:1fr;gap:34px}
  .steps::before{display:none}
  .navlinks{display:none}
  .sat{display:none}
  .app3d{transform:none}
}