/* ==========================================================================
   RSI WEB V2 · MINIMALISTA / PROFESIONAL
   --------------------------------------------------------------------------
   ATAJOS PARA EDITAR:
   1. Colores, tamaños generales -> :root
   2. Barra superior            -> .site-header
   3. Logo                       -> .brand-logo
   4. Cuadros Home               -> .story-card
   5. Botones CTA                -> .btn / .card-cta
   6. Responsive móvil           -> @media(max-width:760px)
   ========================================================================== */

:root{
  /* ==============================================================
     IDENTIDAD VISUAL RSI · V4
     PALETA DEFINITIVA: ANTRACITA + VERDE PROFUNDO
     CAMBIAR COLORES GLOBALES AQUÍ Y SE ACTUALIZA TODA LA WEB.
     ============================================================== */
  --bg:#0b1110;
  --surface:#111a18;
  --surface-2:#16221f;
  --surface-soft:rgba(11,17,16,.76);
  --text:#f5f7f5;
  --muted:rgba(235,241,237,.72);
  --line:rgba(212,231,219,.14);
  --accent:#3f8f67;
  --accent-hover:#52a779;
  --accent-soft:#a7d9bc;
  --warm:#b9dec8;
  --header-bg:rgba(11,17,16,.94);
  --header-h:72px;
  --radius:18px;
  --shadow:0 18px 55px rgba(0,0,0,.24);
  --scroll-length:7800px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{overflow-x:hidden}
a{color:inherit}
button,a{font:inherit}

/* HEADER ================================================================ */
.site-header{
  position:fixed;z-index:100;top:0;left:0;right:0;height:var(--header-h);
  display:flex;align-items:center;gap:26px;
  padding:0 clamp(14px,3vw,38px);
  background:linear-gradient(to bottom,var(--header-bg),rgba(11,17,16,.80) 72%,rgba(11,17,16,.30));
  border-bottom:1px solid rgba(142,183,159,.12);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  pointer-events:none
}
.home-link,.main-nav,.header-cta,.menu-toggle{pointer-events:auto}
.home-link{display:flex;align-items:center;justify-content:center;text-decoration:none;flex:0 0 auto;min-width:150px;height:46px;padding:7px 12px;border:1px solid var(--line);border-radius:11px;background:rgba(8,10,13,.66)}
.brand-logo{width:126px;height:auto;display:block}
.main-nav{display:flex;align-items:center;gap:23px;margin-left:auto}
.main-nav a{
  position:relative;text-decoration:none;font-size:.76rem;font-weight:750;
  letter-spacing:.035em;color:rgba(255,255,255,.84);padding:11px 0
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:5px;height:1px;background:#fff;transition:.22s
}
.main-nav a:hover::after,.main-nav a[aria-current="page"]::after{right:0}
.header-cta{
  text-decoration:none;background:var(--accent);padding:11px 15px;border-radius:999px;
  font-size:.73rem;font-weight:850;white-space:nowrap;transition:.2s;
  box-shadow:0 8px 24px rgba(63,143,103,.30)
}
.header-cta:hover{background:var(--accent-hover)}
.menu-toggle{display:none;border:1px solid var(--line);background:rgba(8,10,13,.66);color:#fff;border-radius:10px;padding:10px 12px}

/* HOME IMMERSIVE ======================================================== */
body.home{min-height:var(--scroll-length)}
.stage{position:fixed;z-index:1;inset:0;background:var(--bg);overflow:hidden}
.stage video,.stage .poster{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover
}
.stage video{z-index:2;background:transparent}
.poster{z-index:1;filter:saturate(.96) contrast(1.02)}
.stage::after{
  content:"";position:absolute;z-index:3;inset:0;pointer-events:none;
  background:
    linear-gradient(to top,rgba(0,0,0,.38),transparent 38%),
    linear-gradient(90deg,rgba(0,0,0,.18),transparent 36%,transparent 78%,rgba(0,0,0,.13))
}

/* CUADROS HOME ---------------------------------------------------------- */
.story-card{
  position:fixed;z-index:40;width:min(360px,calc(100vw - 28px));
  padding:18px;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface-soft);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);opacity:0;transform:translateY(14px);
  transition:opacity .22s ease,transform .22s ease;pointer-events:none
}
.story-card.visible{opacity:1;pointer-events:auto}
.story-card .eyebrow{
  display:block;margin:0 0 7px;color:var(--accent-soft);font-size:.66rem;font-weight:900;
  letter-spacing:.13em;text-transform:uppercase
}
.story-card h1,.story-card h2{margin:0;line-height:1.05;letter-spacing:-.028em;text-shadow:0 2px 14px #000}
.story-card h1{font-size:clamp(1.75rem,3vw,2.8rem)}
.story-card h2{font-size:clamp(1.38rem,2.1vw,2.05rem)}
.story-card p{margin:9px 0 0;font-size:.86rem;line-height:1.48;color:var(--muted)}
.card-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.card-cta,.card-secondary{
  display:inline-flex;align-items:center;justify-content:center;min-height:39px;
  padding:9px 12px;border-radius:999px;text-decoration:none;font-size:.71rem;font-weight:850
}
.card-cta{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(63,143,103,.24);transition:.2s}
.card-cta:hover{background:var(--accent-hover);transform:translateY(-1px)}
.card-secondary{border:1px solid var(--line);background:rgba(0,0,0,.18);color:#fff}
.dev-label{display:none;margin-top:11px;padding-top:9px;border-top:1px dashed rgba(255,255,255,.24);font:11px ui-monospace,SFMono-Regular,Consolas,monospace;color:#ffe087}
body.dev-mode .dev-label{display:block}
body.dev-mode .story-card{outline:2px dashed rgba(255,218,92,.70)}

/* HOME GUIDES ----------------------------------------------------------- */
.scene-rail{
  position:fixed;z-index:45;right:12px;top:50%;transform:translateY(-50%);
  display:flex;flex-direction:column;gap:7px;align-items:center
}
.scene-rail span{width:5px;height:6px;border-radius:7px;background:rgba(255,255,255,.42);transition:.2s}
.scene-rail span.active{height:26px;background:var(--accent-soft)}
.progress{position:fixed;z-index:90;left:0;bottom:0;height:3px;width:0;background:var(--accent-soft)}
.scroll-cue{
  position:fixed;z-index:45;left:50%;bottom:19px;transform:translateX(-50%);
  font-size:.65rem;letter-spacing:.10em;color:rgba(255,255,255,.78);text-shadow:0 2px 12px #000
}
.dev-toggle{
  position:fixed;z-index:110;left:12px;bottom:12px;border:1px solid var(--line);
  background:rgba(5,6,8,.78);color:#fff;border-radius:11px;padding:9px 11px;
  font-size:.67rem;font-weight:850;cursor:pointer
}
.dev-help{
  display:none;position:fixed;z-index:109;left:12px;bottom:58px;width:min(430px,calc(100vw - 24px));
  padding:13px 14px;border:1px solid var(--line);border-radius:14px;background:rgba(5,6,8,.93);
  font-size:.72rem;line-height:1.48;color:rgba(255,255,255,.88)
}
body.dev-mode .dev-help{display:block}
.dev-help b{color:#ffe084}.dev-help code{color:#b8d0ff}

/* INTERNAL PAGES ======================================================== */
.page-shell{min-height:100vh;padding-top:calc(var(--header-h) + 36px)}
.hero-simple{
  min-height:52vh;display:grid;align-items:end;padding:60px clamp(18px,6vw,90px);
  background:radial-gradient(circle at 72% 20%,#21362f 0,#14211d 34%,#0b1110 72%)
}
.hero-simple .inner{max-width:850px}
.kicker{color:var(--accent-soft);font-size:.72rem;font-weight:900;letter-spacing:.13em;text-transform:uppercase}
.hero-simple h1{font-size:clamp(2.4rem,6vw,6rem);line-height:.95;letter-spacing:-.045em;margin:12px 0 18px}
.hero-simple p{max-width:670px;font-size:clamp(1rem,1.6vw,1.22rem);line-height:1.55;color:var(--muted)}
.content{padding:68px clamp(18px,6vw,90px) 100px}
.content-narrow{max-width:1160px;margin:0 auto}
.service-block{
  scroll-margin-top:110px;display:grid;grid-template-columns:minmax(0,1.62fr) minmax(280px,.68fr);
  gap:42px;padding:56px 0;border-top:1px solid var(--line)
}
.service-block:first-child{border-top:0}
.service-block h2{font-size:clamp(2rem,4vw,4rem);line-height:1;margin:8px 0 15px;letter-spacing:-.035em}
.service-main{min-width:0}
.service-figure{
  aspect-ratio:16/9;margin:24px 0 20px;overflow:hidden;border:1px solid var(--line);
  border-radius:18px;background:#0e1614;box-shadow:0 20px 45px rgba(0,0,0,.22)
}
.service-figure img{display:block;width:100%;height:100%;object-fit:cover}
.service-figure--contain{
  padding:clamp(12px,2vw,24px);
  background:radial-gradient(circle at 50% 45%,rgba(46,107,82,.18),transparent 62%),#0e1614
}
.service-figure--contain img{object-fit:contain}
.service-block p{max-width:760px;margin:0;color:var(--muted);line-height:1.55}
.service-meta{align-self:center;padding:20px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.service-meta strong{display:block;margin-bottom:8px}
.service-meta span{display:block;color:var(--muted);font-size:.88rem;line-height:1.5}
.btn{
  display:inline-flex;align-items:center;justify-content:center;text-decoration:none;
  background:var(--accent);padding:12px 16px;border-radius:999px;font-size:.78rem;font-weight:850
}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.info-box{padding:24px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.info-box h3{margin:0 0 8px}.info-box p{margin:0;color:var(--muted);line-height:1.5}
.contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.contact-card{padding:28px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}

.service-link{display:inline-flex;margin-top:16px;text-decoration:none;font-size:.78rem;font-weight:850;color:#fff}
.contact-form-card h2,.contact-info h2{font-size:clamp(1.7rem,3vw,2.7rem);margin:10px 0 18px;letter-spacing:-.03em}
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form label{display:grid;gap:7px;font-size:.76rem;font-weight:750;color:rgba(255,255,255,.82)}
.contact-form .full{grid-column:1/-1}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:11px;background:var(--bg);color:#fff;padding:12px 13px;outline:none}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:rgba(255,255,255,.42)}
.contact-form textarea{resize:vertical;min-height:130px}
.form-footer{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.form-footer .btn:disabled{opacity:.48;cursor:not-allowed}
.form-footer span,.contact-info p,.contact-note{color:var(--muted);font-size:.85rem;line-height:1.55}
.pending-contact{margin:28px 0 12px;padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--bg)}
.pending-contact strong,.pending-contact span{display:block}.pending-contact span{margin-top:5px;color:var(--muted);font-size:.84rem}

.footer{padding:30px clamp(18px,6vw,90px);border-top:1px solid var(--line);color:var(--muted);font-size:.76rem}

/* RESPONSIVE ============================================================ */
@media(max-width:900px){
  .main-nav{gap:15px}
  .main-nav a{font-size:.68rem}
  .brand-logo{width:124px}
}
@media(max-width:760px){
  :root{--header-h:60px;--scroll-length:7000px}
  .site-header{padding:0 11px;gap:10px;background:linear-gradient(to bottom,rgba(4,5,7,.95),rgba(4,5,7,.34),transparent)}
  .home-link{min-width:116px;height:40px;padding:6px 9px}
  .brand-logo{width:104px;max-height:27px}
  .menu-toggle{display:block;margin-left:auto}
  .main-nav{
    position:absolute;top:57px;right:10px;left:10px;display:none;flex-direction:column;align-items:stretch;
    gap:2px;padding:9px;border:1px solid var(--line);border-radius:14px;background:rgba(8,10,13,.96)
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px;border-radius:9px}
  .header-cta{font-size:.65rem;padding:9px 11px}
  .story-card{width:calc(100vw - 28px);padding:15px}
  .story-card h1{font-size:1.72rem}.story-card h2{font-size:1.43rem}.story-card p{font-size:.81rem}
  .card-actions{margin-top:12px}
  .scene-rail{right:7px}
  .scroll-cue{display:none}
  .service-block{grid-template-columns:1fr;gap:18px;padding:40px 0}
  .service-figure{margin:18px 0 16px;border-radius:14px}
  .service-meta{align-self:stretch}
  .grid-3,.contact-panel{grid-template-columns:1fr}
  .contact-form{grid-template-columns:1fr}
  .contact-form .full{grid-column:auto}
  .hero-simple{min-height:46vh;padding:52px 18px 40px}
  .content{padding:45px 18px 70px}
}

/* ==============================================================
   V4 · CABECERA / MÓVIL
   ============================================================== */
@media(max-width:760px){
  .site-header{
    padding:0 10px;gap:9px;
    background:linear-gradient(to bottom,var(--header-bg),rgba(11,17,16,.84),rgba(11,17,16,.35))
  }
  .home-link{min-width:108px;min-height:42px;padding:5px 8px;border-radius:10px}
  .brand-logo{width:94px}
  .menu-toggle{background:rgba(17,26,24,.92);border-color:rgba(142,183,159,.22)}
  .main-nav{background:rgba(11,17,16,.98);border-color:rgba(142,183,159,.18)}
}


/* ============================================================
   PROYECTOS + SOBRE RSI · ACTUALIZACIÓN FINAL
   ============================================================ */
.project-grid{display:grid;gap:28px}
.project-card{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}
.project-card img{width:100%;height:100%;min-height:360px;object-fit:cover;display:block}
.project-copy{padding:clamp(24px,4vw,48px);display:flex;flex-direction:column;justify-content:center}
.project-copy h2{margin:.5rem 0 .8rem;font-size:clamp(1.5rem,2.4vw,2.4rem)}
.project-copy p,.project-copy li{color:var(--muted);line-height:1.7}
.project-copy ul{padding-left:1.1rem;margin:1rem 0 0}
.project-note{padding:22px 24px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}
.project-note p{margin:.45rem 0 0;color:var(--muted);line-height:1.65}
.cta-band{max-width:1180px;margin:0 auto 70px;padding:30px clamp(24px,4vw,48px);display:flex;align-items:center;justify-content:space-between;gap:24px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.cta-band h2{margin:.35rem 0 0}
.about-intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.about-intro h2{font-size:clamp(1.8rem,3vw,3rem);margin:.5rem 0}
.about-intro p{font-size:1.08rem;line-height:1.8;color:var(--muted);margin:0}
.compact-top{padding-top:0}
.trust-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.trust-card{padding:26px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.trust-card>span{font-size:.74rem;font-weight:850;letter-spacing:.12em;color:var(--accent-soft)}
.trust-card h3{margin:.65rem 0 .5rem}
.trust-card p{margin:0;color:var(--muted);line-height:1.7}
.process-panel{padding:clamp(28px,5vw,56px);border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.process-panel h2{font-size:clamp(1.8rem,3vw,3rem);margin:.45rem 0 1.4rem}
.process-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.process-steps>div{padding:18px;border-top:1px solid var(--accent-soft)}
.process-steps p{margin:.5rem 0 0;color:var(--muted);line-height:1.6}


@media(max-width:820px){
  .project-card{grid-template-columns:1fr}
  .project-card img{min-height:240px;max-height:360px}
  .about-intro{grid-template-columns:1fr;gap:18px}
  .trust-grid{grid-template-columns:1fr}
  .process-steps{grid-template-columns:1fr 1fr}
  .cta-band{margin-left:14px;margin-right:14px;flex-direction:column;align-items:flex-start}
}
@media(max-width:520px){
  .process-steps{grid-template-columns:1fr}
}


/* ============================================================
   CONTACTO DIRECTO · WHATSAPP PROVISIONAL
   ============================================================ */
.whatsapp-float{
  position:fixed;right:18px;bottom:18px;z-index:120;
  display:flex;align-items:center;gap:9px;
  padding:12px 16px;border:1px solid rgba(255,255,255,.14);border-radius:999px;
  background:#2f8f61;color:#fff;text-decoration:none;font-size:.78rem;font-weight:800;
  box-shadow:0 14px 34px rgba(0,0,0,.28);transition:transform .18s ease,background .18s ease;
}
.whatsapp-float:hover{transform:translateY(-2px);background:#3fa574}
.whatsapp-float span{
  display:grid;place-items:center;width:30px;height:30px;border-radius:50%;
  background:#fff;color:#2f8f61;font-size:.68rem;font-weight:900;letter-spacing:.02em
}
.contact-whatsapp-card{max-width:760px;margin:0 auto;padding:clamp(28px,5vw,54px);text-align:center}
.contact-whatsapp-card h2{font-size:clamp(1.8rem,3vw,3rem);margin:.55rem 0 1rem}
.contact-whatsapp-card p{max-width:620px;margin:0 auto 24px;color:var(--muted);line-height:1.75}
.contact-whatsapp-card .btn{display:inline-flex;justify-content:center;align-items:center;min-width:250px}
.contact-meta{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:22px;color:var(--muted);font-size:.84rem}
@media(max-width:620px){
  .whatsapp-float{right:12px;bottom:12px;padding:11px 13px}
  .whatsapp-float strong{display:none}
  .contact-whatsapp-card .btn{width:100%;min-width:0}
}

.btn:hover{background:var(--accent-hover);transform:translateY(-1px);transition:.2s}