/* Fecop AI — sistema "cine" compartido por las versiones B y C */
:root{
  --bg:#050506; --bg-soft:#0A0B0D; --panel:#0E1013;
  --line:rgba(255,255,255,.09); --line-soft:rgba(255,255,255,.05);
  --fg:#F2F4F7; --fg-2:#A3AAB6; --fg-3:#838A96;
  --accent:#2E6BFF; --accent-soft:#7A96FF; --accent-2:#8A5CFF;
  --ok:#3DDC97; --warm:#E8B878;
  --ease:cubic-bezier(.22,1,.36,1);
  --ease-film:cubic-bezier(.65,0,.35,1);
  --pad:clamp(16px,5vw,88px); --maxw:1320px;
  --display:'Clash Display','Inter',system-ui,sans-serif;
  --sans:'Inter',system-ui,-apple-system,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{background:var(--bg);color:var(--fg);font-family:var(--sans);-webkit-font-smoothing:antialiased}
body{overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,video{display:block;max-width:100%}
::selection{background:var(--accent);color:#fff}

/* ---------- capa de película: grano + viñeta ---------- */
.grain{pointer-events:none;position:fixed;inset:-50%;z-index:90;opacity:.09;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation:grain 1s steps(6) infinite}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-3%)}60%{transform:translate(-2%,-1%)}80%{transform:translate(3%,3%)}100%{transform:translate(0,0)}}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:80;transition:background .5s var(--ease),border-color .5s,transform .5s var(--ease);border-bottom:1px solid transparent}
.nav.is-solid{background:rgba(5,5,6,.72);backdrop-filter:blur(14px);border-color:var(--line-soft)}
.nav__in{max-width:var(--maxw);margin:0 auto;padding:18px var(--pad);display:flex;align-items:center;justify-content:space-between}
.nav__logo img{height:38px;width:auto}
.nav__links{display:flex;gap:30px;align-items:center;font-size:14px;color:var(--fg-2)}
.nav__links a:hover{color:var(--fg)}
@media (max-width:820px){.nav__links a:not(.cta){display:none}.nav__logo img{height:30px}}

/* ---------- botones ---------- */
.cta{display:inline-flex;align-items:center;gap:10px;background:#1F56E0;color:#fff;font-weight:500;font-size:15px;padding:16px 26px;border-radius:999px;transition:transform .4s var(--ease),background .3s,box-shadow .4s;box-shadow:0 12px 30px -12px rgba(0,0,0,.8)}
.cta:hover{background:#1A4AC4;transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(0,0,0,.9)}
.cta--sm{font-size:13px;padding:10px 18px;box-shadow:none}
.cta__dot{width:7px;height:7px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.2)}
@keyframes pulse{50%{box-shadow:0 0 0 7px rgba(255,255,255,0)}}
.ghost{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--fg);padding:16px 24px;border-radius:999px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.03);backdrop-filter:blur(6px);transition:border-color .3s,background .3s}
.ghost:hover{border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.06)}
.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ---------- tipografía ---------- */
.wrap{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-soft)}
.slate{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--fg-3);display:flex;gap:14px;align-items:center}
.slate i{display:inline-block;width:28px;height:1px;background:currentColor;opacity:.6}
.h-xl{font-family:var(--display);font-weight:600;font-size:clamp(44px,8vw,132px);line-height:.94;letter-spacing:-.028em}
.h-l{font-family:var(--display);font-weight:600;font-size:clamp(36px,5.4vw,84px);line-height:.98;letter-spacing:-.024em}
.h-m{font-family:var(--display);font-weight:600;font-size:clamp(28px,3.4vw,52px);line-height:1.02;letter-spacing:-.02em}
.lead{font-size:clamp(16px,1.35vw,19px);line-height:1.62;color:var(--fg-2);max-width:56ch}
.lead b{color:var(--fg);font-weight:500}
.dim{color:var(--fg-3)}
.blue{color:var(--accent-soft)}
.fine{font-size:13px;color:var(--fg-3)}

/* ---------- media cinematográfica ---------- */
.film{position:absolute;inset:0;overflow:hidden;z-index:0;background:#000}
.film video,.film img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);animation:kenburns 26s var(--ease-film) infinite alternate}
@keyframes kenburns{from{transform:scale(1.08) translate3d(0,0,0)}to{transform:scale(1.18) translate3d(-1.5%,-1%,0)}}
.film::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(120% 90% at 50% 45%,transparent 35%,rgba(0,0,0,.75) 100%),
    linear-gradient(180deg,rgba(5,5,6,.55) 0%,rgba(5,5,6,.15) 35%,rgba(5,5,6,.35) 70%,var(--bg) 100%)}
.film--dark::after{background:
    linear-gradient(90deg,rgba(5,5,6,.88) 0%,rgba(5,5,6,.55) 45%,rgba(5,5,6,.1) 80%),
    radial-gradient(120% 90% at 50% 45%,transparent 25%,rgba(0,0,0,.85) 100%),
    linear-gradient(180deg,rgba(5,5,6,.75) 0%,rgba(5,5,6,.45) 40%,rgba(5,5,6,.6) 75%,var(--bg) 100%)}

/* barras de cine que se abren al cargar */
.letterbox::before,.letterbox::after{content:"";position:absolute;left:0;right:0;height:9vh;background:#000;z-index:3;transition:transform 1.6s var(--ease-film) .2s}
.letterbox::before{top:0}.letterbox::after{bottom:0}
.is-ready .letterbox::before{transform:translateY(-62%)}
.is-ready .letterbox::after{transform:translateY(62%)}

/* subtítulo tipo película */
.sub{display:inline-block;font-size:clamp(15px,1.3vw,18px);line-height:1.45;color:#fff;background:rgba(0,0,0,.55);padding:6px 12px;border-radius:4px;letter-spacing:.005em}
.sub em{font-style:normal;color:var(--warm)}

/* timecode */
.tc{font-family:var(--mono);font-size:12px;color:var(--warm);letter-spacing:.04em;display:inline-flex;align-items:center;gap:8px}
.tc::before{content:"";width:6px;height:6px;border-radius:50%;background:#ff4d4d;animation:rec 1.2s steps(2) infinite}
@keyframes rec{50%{opacity:.2}}

/* ---------- reveals ---------- */
[data-r]{opacity:0;transform:translateY(28px);filter:blur(6px);transition:opacity 1.1s var(--ease),transform 1.1s var(--ease),filter 1.1s var(--ease)}
[data-r].in{opacity:1;transform:none;filter:none}
.lines>span{display:block;overflow:hidden;padding-bottom:.06em}
.lines>span>span{display:block;transform:translateY(105%);transition:transform 1.2s var(--ease)}
.lines.in>span>span{transform:none}
.lines>span:nth-child(2)>span{transition-delay:.08s}
.lines>span:nth-child(3)>span{transition-delay:.16s}
.lines>span:nth-child(4)>span{transition-delay:.24s}

/* ---------- secciones comunes ---------- */
.sec{position:relative;padding:clamp(96px,14vh,170px) 0}
.sec__head{display:flex;flex-direction:column;gap:22px;margin-bottom:clamp(40px,7vh,80px);max-width:900px}
.rule{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent)}

/* método */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.step{background:var(--bg-soft);padding:clamp(24px,3vw,40px);display:flex;flex-direction:column;gap:16px;min-height:340px;position:relative;transition:background .5s}
.step:hover{background:#0d0f13}
.step__n{font-family:var(--display);font-size:64px;font-weight:600;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.22)}
.step h3{font-family:var(--display);font-weight:600;font-size:28px;letter-spacing:-.01em}
.step p{color:var(--fg-2);line-height:1.6;font-size:15.5px}
.step__tag{margin-top:auto;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--accent-soft);text-transform:uppercase}
@media (max-width:900px){.steps{grid-template-columns:1fr}.step{min-height:0}}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:24px;align-items:center;padding:26px 0;font-family:var(--display);font-weight:500;font-size:clamp(19px,1.8vw,26px)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--sans);font-weight:300;font-size:28px;color:var(--fg-3);transition:transform .4s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--accent-soft)}
.faq p{color:var(--fg-2);line-height:1.7;max-width:70ch;padding:0 0 28px}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,6vw,100px)}
@media (max-width:900px){.faq-grid{grid-template-columns:1fr}}

/* cierre */
.finale{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.finale .wrap{padding-top:120px;padding-bottom:120px;display:flex;flex-direction:column;gap:28px;align-items:flex-start}

/* footer */
.foot{border-top:1px solid var(--line);padding:48px 0 110px;font-size:14px;color:var(--fg-3)}
.foot .wrap{display:flex;flex-wrap:wrap;gap:24px 48px;justify-content:space-between;align-items:center}
.foot nav{display:flex;flex-wrap:wrap;gap:22px}
.foot a:hover{color:var(--fg)}

/* whatsapp flotante */
.wa{position:fixed;right:20px;bottom:20px;z-index:85;width:54px;height:54px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.45);transition:transform .3s var(--ease)}
.wa:hover{transform:scale(1.07)}
.wa svg{width:28px;height:28px;fill:#fff}

:focus-visible{outline:2px solid var(--accent-soft);outline-offset:3px;border-radius:6px}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  [data-r]{opacity:1;transform:none;filter:none}
  .lines>span>span{transform:none}
}