/* Vyper — Home launcher. Diseño editorial: hero + secciones (plataforma / calculadoras). Reusa tokens de entrenamiento.css */

body{background:#fbfbfd}

/* fondo: aurora animada de marca, se desvanece hacia abajo */
.aurora{position:absolute;top:0;left:0;right:0;height:1020px;z-index:-1;pointer-events:none;overflow:hidden;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,#000 44%,transparent 84%);mask-image:linear-gradient(180deg,#000 0%,#000 44%,transparent 84%)}
.aurora span{position:absolute;border-radius:50%;filter:blur(74px);opacity:.5;will-change:transform}
.aurora .a1{width:540px;height:540px;background:#a855f7;top:-190px;left:5%;animation:drift1 19s ease-in-out infinite}
.aurora .a2{width:480px;height:480px;background:#6d4aff;top:-150px;right:3%;animation:drift2 23s ease-in-out infinite}
.aurora .a3{width:440px;height:440px;background:#ec4899;top:30px;left:40%;opacity:.3;animation:drift3 21s ease-in-out infinite}
@keyframes drift1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(70px,48px) scale(1.08)}}
@keyframes drift2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-64px,40px) scale(1.05)}}
@keyframes drift3{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(26px,34px) scale(1.12)}}
@media(prefers-reduced-motion:reduce){.aurora span{animation:none}}

/* ── nav ── */
.home-nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:13px 24px;background:rgba(251,251,253,.78);backdrop-filter:blur(12px);border-bottom:1px solid rgba(20,16,40,.06)}
.home-nav .brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:18px;letter-spacing:-.4px;color:var(--text)}
.home-nav .brand img{width:28px;height:28px;border-radius:8px}
.nav-auth{display:flex;align-items:center;gap:11px}
.nav-cta{font-family:var(--font);font-size:14px;font-weight:600;color:#fff;border:0;cursor:pointer;
  background:linear-gradient(135deg,#6d4aff,#a855f7 55%,#ec4899);border-radius:10px;padding:9px 18px;
  box-shadow:0 8px 18px -9px rgba(168,85,247,.6);transition:transform .13s}
.nav-cta:hover{transform:translateY(-1px)}
.nav-link{font-size:14px;font-weight:600;color:var(--text-2)}
.nav-link:hover{color:var(--accent)}
.nav-ava{width:30px;height:30px;border-radius:50%;background:linear-gradient(145deg,#6d4aff,#a855f7);background-size:cover;background-position:center;color:#fff;font-weight:700;font-size:13px;display:grid;place-items:center;flex-shrink:0}
.nav-logout{font-family:var(--font);font-size:13px;font-weight:600;color:var(--text-2);background:#fff;border:1px solid var(--line);border-radius:9px;padding:7px 12px;cursor:pointer;transition:.13s}
.nav-logout:hover{background:#fdeaea;color:#c0392b;border-color:#f0d0d0}

/* ── modal de login ── */
.va-modal{position:fixed;inset:0;background:rgba(15,12,30,.5);display:grid;place-items:center;z-index:100;padding:20px;backdrop-filter:blur(2px)}
.va-card{position:relative;background:#fff;border-radius:20px;max-width:400px;width:100%;padding:30px 28px;text-align:center;box-shadow:0 30px 70px -20px rgba(20,16,40,.4)}
.va-x{position:absolute;top:14px;right:16px;width:30px;height:30px;border:0;background:none;color:var(--muted);font-size:22px;cursor:pointer;line-height:1;border-radius:8px}
.va-x:hover{background:var(--soft);color:var(--text)}
.va-ico{width:52px;height:52px;margin:0 auto 12px;border-radius:15px;overflow:hidden;box-shadow:0 8px 18px -8px rgba(109,74,255,.5)}
.va-ico img{width:100%;height:100%}
.va-card h2{font-size:22px;font-weight:700;letter-spacing:-.5px}
.va-sub{font-size:14px;color:var(--muted);margin-top:7px;line-height:1.5}
.va-google{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;font-family:var(--font);font-size:15px;font-weight:600;color:var(--text);border:1px solid var(--line-2);border-radius:12px;padding:12px;background:#fff;cursor:pointer;margin-top:20px}
.va-google:hover{background:var(--soft)}
.va-div{display:flex;align-items:center;gap:12px;color:var(--faint);font-size:12px;margin:18px 0}
.va-div::before,.va-div::after{content:"";height:1px;background:var(--line);flex:1}
.va-card input{width:100%;font-family:var(--font);font-size:14px;border:1.5px solid var(--line-2);border-radius:10px;padding:11px 13px;margin-bottom:10px;outline:none;background:#fff;color:var(--text)}
.va-card input:focus{border-color:var(--accent)}
.va-err{color:#c0392b;font-size:13px;min-height:18px;margin:2px 0 8px}
.va-submit{width:100%;font-family:var(--font);font-size:15px;font-weight:700;color:#fff;border:0;cursor:pointer;background:linear-gradient(135deg,#6d4aff,#a855f7 55%,#ec4899);border-radius:12px;padding:13px;box-shadow:0 10px 22px -10px rgba(168,85,247,.6)}
.va-toggle{font-size:13px;color:var(--muted);margin-top:14px}
.va-toggle a{color:var(--accent);cursor:pointer;font-weight:600}

/* ── hero ── */
.hero{text-align:center;max-width:740px;margin:0 auto;padding:62px 24px 40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;font-weight:600;
  letter-spacing:.15em;text-transform:uppercase;color:var(--accent)}
.hero h1{font-size:clamp(34px,6.2vw,54px);font-weight:800;letter-spacing:-2px;line-height:1.03;margin-top:22px}
.hero h1 .grad{background:linear-gradient(110deg,#6d4aff,#a855f7 32%,#ec4899 58%,#a855f7 82%,#6d4aff);background-size:230% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shimmer 7s linear infinite}
@keyframes shimmer{to{background-position:-230% center}}
@media(prefers-reduced-motion:reduce){.hero h1 .grad{animation:none}}
.hero p{font-size:clamp(16px,2.4vw,18.5px);color:var(--text-2);margin:18px auto 0;line-height:1.55;max-width:560px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.btn-grad{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#6d4aff,#a855f7 55%,#ec4899);border-radius:13px;padding:13px 24px;
  box-shadow:0 12px 26px -11px rgba(168,85,247,.65);transition:transform .15s,box-shadow .15s}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 16px 32px -11px rgba(168,85,247,.72)}
.btn-soft{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--text);
  background:#fff;border:1px solid var(--line);border-radius:13px;padding:13px 22px;transition:background .14s,border-color .14s}
.btn-soft:hover{background:var(--soft);border-color:var(--line-2)}
/* ── banda de stats ── */
.stats{display:flex;justify-content:center;flex-wrap:wrap;margin:34px auto 0;max-width:600px;
  border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.6);backdrop-filter:blur(10px);
  box-shadow:0 12px 34px -24px rgba(20,16,40,.45);overflow:hidden}
.stat{flex:1;min-width:128px;padding:15px 16px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .n{font-size:24px;font-weight:800;letter-spacing:-.6px;line-height:1;background:linear-gradient(120deg,#6d4aff,#a855f7 55%,#ec4899);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .l{font-size:12px;color:var(--muted);margin-top:5px}
@media(max-width:520px){.stat{min-width:50%;border-bottom:1px solid var(--line)}.stat:nth-child(odd){border-right:1px solid var(--line)}.stat:nth-child(even){border-right:0}}

/* ── preview en vidrio del producto ── */
.hero-preview{max-width:540px;margin:48px auto 0;position:relative}
.hero-preview::after{content:"";position:absolute;left:8%;right:8%;top:8%;bottom:-20%;z-index:-1;
  background:radial-gradient(58% 60% at 50% 45%,rgba(168,85,247,.42),transparent 72%);filter:blur(28px)}
.hp-card{border:1px solid rgba(255,255,255,.8);border-radius:20px;background:rgba(255,255,255,.74);backdrop-filter:blur(18px);
  box-shadow:0 44px 80px -40px rgba(20,16,40,.5),inset 0 2px 0 rgba(255,255,255,.75);overflow:hidden;text-align:left;animation:floaty 6.5s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@media(prefers-reduced-motion:reduce){.hp-card{animation:none}}
.hp-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--line)}
.hp-bar .dot{width:10px;height:10px;border-radius:50%}
.hp-bar .pill{margin-left:auto;font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.hp-chat{padding:18px 18px 8px;display:flex;flex-direction:column;gap:13px}
.hp-msg.user{align-self:flex-end;max-width:86%;background:var(--soft);color:var(--text-2);padding:11px 14px;border-radius:14px;border-bottom-right-radius:5px;font-size:13.5px;line-height:1.5}
.hp-msg.ai{align-self:flex-start;max-width:96%;display:flex;gap:10px}
.hp-msg.ai .ai-ava{width:30px;height:30px;flex-shrink:0;border-radius:50%;background:linear-gradient(145deg,#6d4aff,#a855f7 55%,#ec4899);box-shadow:0 5px 12px -4px rgba(168,85,247,.6)}
.hp-msg.ai .ai-txt{background:#fff;border:1px solid var(--line);padding:11px 14px;border-radius:14px;border-bottom-left-radius:5px;color:var(--text-2);font-size:13.5px;line-height:1.5}
.hp-msg.ai .ai-txt b{color:var(--text)}
.hp-tools{display:flex;align-items:center;gap:8px;padding:10px 18px 18px;flex-wrap:wrap}
.hp-tools .mini{width:30px;height:30px;border-radius:9px;background:linear-gradient(145deg,var(--g1),var(--g2));box-shadow:0 4px 10px -5px color-mix(in srgb,var(--g2) 60%,transparent)}
.hp-tools .more{font-size:12px;color:var(--muted)}

/* ── reveal al hacer scroll (solo con JS, para que sin JS se vea todo) ── */
html.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
html.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transform:none;transition:none}}

/* ── secciones ── */
.section{max-width:1000px;margin:0 auto;padding:34px 24px 0}
.section.last{padding-bottom:72px}
.sec-head{margin-bottom:20px}
.sec-head .kicker{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--accent)}
.sec-head h2{font-size:clamp(20px,3vw,25px);font-weight:700;letter-spacing:-.6px;margin-top:5px;color:var(--text)}
.sec-head p{font-size:14.5px;color:var(--muted);margin-top:5px;max-width:560px;line-height:1.5}

/* ── tarjetas destacadas (plataforma) ── */
.feats{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:680px){.feats{grid-template-columns:1fr}}
.feat{display:flex;gap:15px;align-items:center;padding:18px 20px;border:1px solid var(--line-2);border-radius:18px;background:var(--bg);
  color:var(--text);transition:transform .15s,box-shadow .15s,border-color .15s}
.feat:hover{transform:translateY(-3px);box-shadow:0 22px 44px -22px rgba(124,58,237,.4),0 6px 16px -12px rgba(20,16,40,.28);border-color:rgba(124,58,237,.28)}
.feat .ico{width:52px;height:52px;flex-shrink:0;border-radius:15px;display:grid;place-items:center;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(145deg,var(--g1,#6d4aff),var(--g2,#a855f7));
  box-shadow:0 7px 15px -7px color-mix(in srgb,var(--g2,#a855f7) 62%,transparent),inset 0 1.5px 0 rgba(255,255,255,.36)}
.feat .ico::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(255,255,255,.3),transparent 52%)}
.feat .ico svg{position:relative;z-index:1;width:27px;height:27px;stroke-width:2;filter:drop-shadow(0 1px 1.5px rgba(0,0,0,.16))}
.feat .ico.ai{background:linear-gradient(145deg,#6d4aff,#a855f7 52%,#ec4899)}
.feat .ft{flex:1;min-width:0}
.feat .ft h3{font-size:16.5px;font-weight:700;letter-spacing:-.3px}
.feat .ft p{font-size:13px;color:var(--muted);margin-top:4px;line-height:1.45}
.feat .arrow{flex-shrink:0;color:var(--faint);font-size:18px;transition:transform .15s,color .15s}
.feat:hover .arrow{color:var(--accent);transform:translateX(3px)}

/* ── grupos de calculadoras ── */
.calc-group{margin-top:24px}
.glabel{display:flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;letter-spacing:.02em;color:var(--text-2);text-transform:uppercase;margin-bottom:12px}
.glabel::after{content:"";flex:1;height:1px;background:var(--line)}

/* ── tiles (app-launcher) ── */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(204px,1fr));gap:13px}
.tile{display:flex;flex-direction:column;align-items:center;text-align:center;padding:20px 14px 16px;border:1px solid var(--line-2);border-radius:16px;background:var(--bg);
  color:var(--text);min-height:150px;position:relative;transition:transform .14s,box-shadow .14s,border-color .14s}
.tile:hover{transform:translateY(-4px);box-shadow:0 18px 38px -20px rgba(124,58,237,.4),0 5px 14px -10px rgba(20,16,40,.25);border-color:rgba(124,58,237,.25)}
.tile .tico{width:60px;height:60px;display:grid;place-items:center;border-radius:18px;color:#fff;border:0;margin-bottom:12px;
  background:linear-gradient(145deg,var(--g1,#6d4aff),var(--g2,#a855f7));
  box-shadow:0 8px 16px -7px color-mix(in srgb,var(--g2,#a855f7) 64%,transparent),inset 0 1.5px 0 rgba(255,255,255,.38),inset 0 -2px 4px rgba(0,0,0,.1);
  position:relative;overflow:hidden;transition:transform .22s cubic-bezier(.2,.8,.3,1.5),box-shadow .22s}
.tile .tico::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(160deg,rgba(255,255,255,.3),rgba(255,255,255,0) 50%)}
.tile .tico svg{position:relative;z-index:1;width:28px;height:28px;stroke-width:2;filter:drop-shadow(0 1px 1.5px rgba(0,0,0,.18))}
.tile:hover .tico{transform:scale(1.08) rotate(-4deg)}
.tile:active .tico{transform:scale(1.02) rotate(0)}
.tile h3{font-size:13.5px;font-weight:600;letter-spacing:-.2px;line-height:1.25}
.tile p{font-size:11.5px;color:var(--muted);margin-top:4px;line-height:1.4;flex:1}
@media(max-width:560px){.tiles{grid-template-columns:1fr 1fr;gap:11px}.tile{min-height:0;padding:16px 10px 14px}.tile .tico{width:54px;height:54px}.feats{grid-template-columns:1fr}}
@media(max-width:380px){.tiles{grid-template-columns:1fr}}

/* ── footer ── */
.home-foot{text-align:center;padding:44px 24px 54px;margin-top:40px;border-top:1px solid var(--line);background:rgba(255,255,255,.5)}
.home-foot .fb{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:16px;color:var(--text);letter-spacing:-.3px}
.home-foot .fb img{width:24px;height:24px;border-radius:7px}
.home-foot .ftag{font-size:13.5px;color:var(--text-2);margin-top:8px}
.home-foot .fdisc{font-size:12.5px;color:var(--muted);margin-top:10px}
.home-foot a{color:var(--accent)}