/* ==========================================================================
   Estilos de secciones de la landing
   Contiene: Section base, Hero, Quiénes somos (incluye clases .is-visible),
             Impacto reciente, Qué hacemos (tabs/carrusel; parte visual),
             Tech wall, Contacto y Footer + media queries.
   Lógica relacionada: reveal.js, impacto.js, tabsCarousel.js.
   ========================================================================== */


/* Secciones base */
.section{position:relative;padding:clamp(56px,9vw,90px) 0;background:#000}
.section-title{
  text-align:center;font-weight:1000;font-size:clamp(30px,4.8vw,56px);margin:0 auto 32px;letter-spacing:-.02em;
  background:linear-gradient(180deg,#a78bfa,#f0abfc 75%);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.section-sub{margin:0 auto 40px;text-align:center;color:var(--text-2);max-width:900px;font-size:1.22rem}

/* Hero */
.hero{position:relative;min-height:calc(86svh - 64px);display:grid;place-items:center;padding:48px 0 0}
.hero-inner{display:flex;flex-direction:column;align-items:center;text-align:center}
.title{margin:4px auto 12px;font-size:clamp(40px,6.4vw,82px);line-height:1.04;letter-spacing:-.03em;font-weight:1000;color:#fff;max-width:1100px}
.subtitle{color:#e9ecff;font-size:clamp(20px,2.6vw,22px);margin:0 auto 24px;max-width:920px}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}

/* Quiénes somos */
.qs-wrap{display:flex;flex-direction:column;align-items:center;gap:32px}
.who-headline{font-weight:1000;letter-spacing:-.02em;font-size:clamp(36px,5.6vw,64px);margin:0 0 8px;color:#fff;text-align:center;max-width:1100px}
.who-headline.lite{font-weight:700;font-size:clamp(24px,2.6vw,30px);letter-spacing:-.01em}
.who-desc{margin:0 0 6px;color:var(--text-2);max-width:72ch;text-align:center;font-size:1.22rem}
.who-desc .v{background:linear-gradient(180deg,#a78bfa,#f0abfc 75%);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:900}

.alt-blocks{display:grid;gap:54px;margin-top:6px;width:100%}
.alt-block{max-width:960px; opacity:0; transition:opacity .6s var(--ease), transform .6s var(--ease)}
.alt-block.left{margin-right:auto; transform:translateX(-28px)}
.alt-block.right{margin-left:auto; transform:translateX(28px)}
.alt-block.is-visible{opacity:1; transform:translateX(0)}
.accent-box{position:relative;padding:22px 26px;color:#e6e9ff;line-height:1.75}
.accent-box .title-sm{margin:0 0 10px;font-weight:1000;letter-spacing:-.01em;color:#fff;font-size:clamp(24px,2.4vw,30px)}
.accent-box p{font-size:1.2rem;margin:0}
.corner{position:absolute;width:72px;height:72px;pointer-events:none;opacity:.7}
.corner.tl{left:-2px;top:-2px;background:linear-gradient(90deg,#a78bfa,#f0abfc) top left/56px 2px no-repeat,linear-gradient(180deg,#a78bfa,#f0abfc) top left/2px 46px no-repeat}
.corner.br{right:-2px;bottom:-2px;background:linear-gradient(90deg,#a78bfa,#f0abfc) bottom right/56px 2px no-repeat,linear-gradient(180deg,#a78bfa,#f0abfc) bottom right/2px 46px no-repeat}

/* Impacto reciente */
.impact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:start}
.impact-item{text-align:center; padding:6px 4px}
.impact-number{
  font-weight:1000;letter-spacing:-.02em;
  font-size:clamp(42px,7vw,68px);line-height:1.05;margin:2px 0 8px;
  background:linear-gradient(180deg,#67e8f9,#a78bfa 75%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.impact-label{color:#e7e9ff}
.impact-label .muted{opacity:.9}

/* Qué hacemos (tabs + carrusel) */
.qs-center{display:flex;flex-direction:column;align-items:center}
.capsule-tabs{display:inline-flex;gap:22px;padding:8px;border-radius:999px;border:1px solid var(--line-strong);background:rgba(255,255,255,.03);box-shadow:inset 0 0 0 1px rgba(255,255,255,.04)}
.tab-btn{appearance:none;border:1px solid transparent;background:transparent;color:#e7eafc;font-weight:900;letter-spacing:.01em;padding:10px 18px;border-radius:999px;cursor:pointer}
.tab-btn:hover{color:#fff}
.tab-btn.active{color:#fff;background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),0 0 0 3px rgba(255,255,255,.05)}
.qs-panels{margin-top:16px}
.qs-panel{display:none;color:var(--text-2);font-size:1.22rem;max-width:920px;text-align:center;margin:0 auto}
.qs-panel.active{display:block}

/* Visual contenedor */
.qs-visual{position:relative;border-radius:14px;overflow:hidden}
.qs-banner{width:100%;max-height:240px;object-fit:cover;border-radius:14px;border:1px solid var(--line-strong);background:#120e26;margin:12px auto 14px}

/* Carrusel/dots (mobile) */
.qs-carousel{display:none;align-items:center;gap:10px}
.qs-carousel .arrow{
  appearance:none;border:none;background:rgba(0,0,0,.35);
  width:38px;height:38px;border-radius:999px;display:grid;place-items:center;
  color:#fff;cursor:pointer;box-shadow:0 2px 10px rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.35)
}
.qs-carousel .arrow:active{transform:scale(.98)}
.qs-carousel .arrow svg{width:16px;height:16px}
.qs-dots{display:none;gap:8px;justify-content:center}
.qs-dot{width:8px;height:8px;border-radius:999px;background:rgba(255,255,255,.25);border:1px solid rgba(255,255,255,.35);cursor:pointer}
.qs-dot.active{background:#fff;border-color:#fff}

/* Tech wall */
.tech-wall{display:grid;gap:12px;margin-top:14px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.tech-tile{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--line-strong);background:var(--panel);border-radius:12px}
.tech-tile img{width:22px;height:22px;object-fit:contain;flex-shrink:0}
.tech-tile span{font-weight:900;color:#fff}

/* Contacto + Footer */
.contact-free{max-width:1000px;margin:0 auto;text-align:center}
.contact-free p{color:#eef1ff;margin:12px auto 18px;max-width:62ch;font-size:1.24rem}
footer{position:relative;border-top:1px solid var(--line);background:#000;color:#e6e4ff;padding:36px 0;margin-top:56px}
.foot-min{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}
.copyright{text-align:center;margin-top:8px;color:#d7d3ff}

/* Responsive secciones */
@media (max-width:700px){
  .hero{min-height:calc(88svh - 64px);padding-top:36px}
  .title{font-size:clamp(34px,8.2vw,48px)}
  .subtitle{font-size:1.12rem}

  .cta-row{flex-direction:column;align-items:stretch;width:min(420px,100%)}
  .btn{width:100%}

  .capsule-tabs{display:none}
  .qs-banner{max-height:200px; margin:0; display:block;}
  .qs-visual{padding-bottom:28px;}
  .qs-carousel{
    display:flex; position:absolute;
    top:8px; right:8px; bottom:28px; left:8px;
    justify-content:space-between; align-items:center;
    padding:0; pointer-events:none;
  }
  .qs-carousel .arrow{pointer-events:auto;}
  .qs-dots{display:flex; position:absolute; left:0; right:0; bottom:6px;}

  .impact-grid{grid-template-columns:1fr}
}
@media (max-width:400px){
  .container{padding:0 16px}
  .tech-wall{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
  .qs-banner{max-height:180px}
}