/* ==========================================================================
   TERRAXIS · site.css — sistema de diseño compartido (multi-página)
   Modo oscuro premium · fondo cuadrícula verde · ultra responsivo
   ========================================================================== */
:root{
  --bg:#04120f; --bg-soft:#071923; --panel:rgba(12,33,37,.58); --panel-2:rgba(17,45,51,.62);
  --teal:#00BFA6; --teal-bright:#34e6cf; --deep:#007C72;
  --ink:#eef6f4; --muted:#93aead; --muted-2:#617f7d;
  --line:rgba(255,255,255,.08); --line-teal:rgba(0,191,166,.30);
  --warn:#d8b24a; --no:#5f807e;
  --grid:rgba(150,198,190,.17);
  --maxw:1240px; --gutter:clamp(1.1rem,4vw,3rem);
  --f-display:"Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --f-body:"Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --f-mono:"JetBrains Mono", ui-monospace, monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:auto}
html,body{background:var(--bg);color:var(--ink)}
body{font-family:var(--f-body);line-height:1.62;-webkit-font-smoothing:antialiased;overflow-x:hidden;position:relative;min-height:100vh;isolation:isolate;background:transparent}
/* ---- fondo cuadrícula verde global (fijo, responsivo) ---- */
/* base cromática tipo deck: verde-teal pareja con brillos (nunca negro plano) */
body::before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(120% 95% at 88% -12%, rgba(0,191,166,.20), transparent 58%),
    radial-gradient(95% 75% at -4% 110%, rgba(0,124,114,.16), transparent 62%),
    linear-gradient(160deg,#0a2731 0%,#082128 52%,#061a1e 100%)}
/* cuadrícula tipo deck (48px), visible en casi todo el viewport con viñeta suave */
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.72;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(155% 135% at 50% 30%,#000 84%,transparent 100%);
  mask-image:radial-gradient(155% 135% at 50% 30%,#000 84%,transparent 100%)}
@media(max-width:640px){body::after{background-size:34px 34px}}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:rgba(0,191,166,.30)}
.lenis.lenis-smooth{scroll-behavior:auto!important}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin-inline:auto;width:100%;padding-inline:var(--gutter)}
section{position:relative;z-index:1}
.band{padding:clamp(3.4rem,7vw,6.5rem) 0}
.band + .band{border-top:1px solid var(--line)}
@media(min-width:1600px){:root{--maxw:1340px}}

/* ---------- typography ---------- */
.eyebrow{font-family:var(--f-mono);font-size:clamp(.66rem,1vw,.74rem);letter-spacing:.22em;text-transform:uppercase;color:var(--teal);display:inline-flex;align-items:center;gap:.6rem}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--teal);opacity:.7}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:600;line-height:1.04;letter-spacing:-.02em;text-wrap:balance}
.sec-title{font-size:clamp(1.8rem,3.6vw,3rem);margin:.7rem 0 1rem}
.sub-title{font-size:clamp(1.25rem,2.3vw,1.7rem);margin:.6rem 0 .8rem}
.lead{color:var(--muted);font-size:clamp(1rem,1.3vw,1.18rem);max-width:64ch}
.accent{color:var(--teal)}
.mut{color:var(--muted)}

/* ---------- buttons / chips ---------- */
.btn{font-weight:600;font-size:clamp(.9rem,1.1vw,1rem);padding:.85rem 1.5rem;border-radius:999px;transition:transform .2s,box-shadow .2s,border-color .2s,background .2s,color .2s;cursor:pointer;border:1px solid transparent;display:inline-flex;align-items:center;gap:.5rem;white-space:nowrap}
.btn-primary{background:var(--teal);color:#04120f}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,191,166,.4)}
.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal)}
.chips{display:flex;flex-wrap:wrap;gap:.5rem}
.chip{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:.4rem .82rem;background:rgba(255,255,255,.02)}
.chip.on{color:var(--teal);border-color:var(--line-teal);background:rgba(0,191,166,.07)}

/* ---------- nav ---------- */
header.nav{position:fixed;inset:0 0 auto 0;z-index:60;display:flex;align-items:center;justify-content:space-between;
  padding:.85rem var(--gutter);transition:background .35s,backdrop-filter .35s,border-color .35s;border-bottom:1px solid transparent}
header.nav.scrolled{background:rgba(4,18,15,.82);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.brand{display:flex;align-items:center;gap:.62rem}
.brand img{height:42px;width:auto;display:block}
.brand .wm{height:23px;width:auto;display:block}
@media(min-width:1600px){.brand img{height:48px}.brand .wm{height:26px}}
.nav-links{display:flex;align-items:center;gap:clamp(1rem,1.8vw,2rem);font-size:clamp(.86rem,1vw,.95rem);color:var(--muted)}
.nav-links a{transition:color .2s;position:relative;padding:.2rem 0}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--teal);border-radius:2px}
.nav-cta{font-weight:600;font-size:clamp(.78rem,.95vw,.9rem);color:#04120f;background:var(--teal);padding:.6rem 1.15rem;border-radius:999px;transition:transform .2s,box-shadow .2s;white-space:nowrap}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,191,166,.35)}
.nav-right{display:flex;align-items:center;gap:1rem}
.nav-toggle{display:none;background:none;border:0;color:var(--ink);cursor:pointer;font-size:1.7rem;line-height:1}
@media(max-width:1024px){
  .nav-links{position:fixed;inset:0;flex-direction:column;justify-content:center;gap:1.7rem;font-size:1.35rem;
    background:rgba(4,18,15,.98);backdrop-filter:blur(16px);transform:translateY(-100%);transition:transform .4s ease;z-index:59}
  .nav-links.open{transform:none}
  .nav-links a{color:var(--ink)}
  .nav-toggle{display:block;z-index:61}
  .nav-cta{display:none}
}

/* ---------- page hero (inner pages) ---------- */
.phero{padding:9rem var(--gutter) clamp(2.6rem,5vw,4rem);position:relative;overflow:hidden}
.phero .wrap{padding-inline:0}
.phero h1{font-size:clamp(2.2rem,5vw,4rem);margin:1rem 0 1rem;line-height:1}
.phero .lead{font-size:clamp(1.05rem,1.5vw,1.3rem);color:var(--ink);opacity:.92}

/* ---------- cards / frames ---------- */
.frame{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--panel);position:relative}
.frame::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 90px rgba(0,191,166,.1);pointer-events:none}
.frame img{width:100%;height:100%;object-fit:cover;display:block}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:clamp(1.2rem,2vw,1.6rem)}

/* grids helpers */
.grid{display:grid;gap:1rem}
.g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3.5rem);align-items:center}
@media(max-width:820px){.split{grid-template-columns:1fr}}

/* ---------- solution cards ---------- */
.sol{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:clamp(1.2rem,2vw,1.5rem);transition:border-color .25s,transform .25s,background .25s}
.sol:hover{border-color:var(--line-teal);transform:translateY(-3px);background:var(--panel-2)}
.sol .sn{font-family:var(--f-mono);font-size:.72rem;color:var(--teal);letter-spacing:.08em}
.sol h4{font-size:1.05rem;margin:.5rem 0 .4rem;font-family:var(--f-display)}
.sol p{font-size:.9rem;color:var(--muted)}
.sol .ic{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(150deg,rgba(0,191,166,.18),rgba(0,124,114,.06));border:1px solid var(--line-teal);color:var(--teal);margin-bottom:.9rem}
.sol .ic svg{width:21px;height:21px}

/* feature list */
.feat{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.1rem}
.feat li{font-size:.82rem;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:.4rem .8rem}
.feat li::before{content:"▸ ";color:var(--teal)}

/* stage (alternating media rows) */
.stage{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.4rem,4vw,3.2rem);align-items:center;margin-top:2.8rem}
.stage:nth-child(even) .stage-media{order:-1}
@media(max-width:820px){.stage,.stage:nth-child(even){grid-template-columns:1fr}.stage:nth-child(even) .stage-media{order:0}}
.stage-tag{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.14em;color:var(--teal);text-transform:uppercase}
.stage h3{font-size:clamp(1.4rem,2.6vw,2rem);margin:.5rem 0 .7rem}
.stage p{color:var(--muted);max-width:54ch}
.stage-media .frame{aspect-ratio:16/11}

/* metrics / steps / values / teams */
.metric{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:1.3rem}
.metric .big{font-family:var(--f-display);font-size:clamp(1.5rem,3vw,2.3rem);color:var(--teal);letter-spacing:-.02em}
.metric .lbl{font-size:.85rem;color:var(--muted);margin-top:.25rem}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2rem;counter-reset:step}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding:1.5rem 1.3rem;border:1px solid var(--line);border-radius:14px;background:linear-gradient(180deg,var(--panel),transparent)}
.step::before{counter-increment:step;content:counter(step);font-family:var(--f-display);font-size:1.05rem;display:grid;place-items:center;width:2rem;height:2rem;border-radius:999px;background:var(--teal);color:#04120f;margin-bottom:.9rem}
.step h4{font-family:var(--f-display);font-size:1.05rem;margin-bottom:.35rem}
.step p{font-size:.87rem;color:var(--muted)}

/* ---------- video section ---------- */
.videoframe{position:relative;margin-top:2.2rem;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#000;box-shadow:0 30px 80px rgba(0,0,0,.5),inset 0 0 120px rgba(0,191,166,.08)}
.videoframe video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#000}
.vbadge{position:absolute;top:1rem;left:1rem;z-index:2;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);background:rgba(6,19,24,.72);border:1px solid var(--line-teal);border-radius:999px;padding:.35rem .8rem;backdrop-filter:blur(6px);pointer-events:none}
.note{font-size:.8rem;color:var(--muted-2);margin-top:1.1rem;font-family:var(--f-mono);letter-spacing:.02em}

/* ---------- diferenciador (slide 16) ---------- */
.difft{border:1px solid var(--line);border-radius:16px;overflow:hidden;margin-top:1rem}
.dtr{display:grid;grid-template-columns:1fr 92px 150px 110px;align-items:stretch;border-bottom:1px solid var(--line)}
.dthead{border-bottom:1.5px solid var(--line-teal);background:var(--panel-2)}
.dth{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.06em;color:var(--muted-2);text-transform:uppercase;text-align:center;padding:1rem .4rem;align-self:center;line-height:1.2}
.dtc0.dth{text-align:left} .dth.dtx{color:var(--teal);font-weight:600;font-size:.85rem;letter-spacing:.08em}
.dtx{background:linear-gradient(180deg,rgba(0,191,166,.12),rgba(0,191,166,.03))}
.dtc0{display:flex;gap:.7rem;align-items:flex-start;padding:1rem 1.1rem}
.dtc0 .ic{flex:none;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:linear-gradient(150deg,rgba(0,191,166,.18),rgba(0,124,114,.06));border:1px solid var(--line-teal);color:var(--teal);margin-top:2px}
.dtc0 .ic svg{width:18px;height:18px}
.dtc0 h4{font-family:var(--f-body);font-weight:700;font-size:.98rem;color:var(--teal);line-height:1.15;margin-bottom:.4rem}
.dtl{list-style:none;display:flex;flex-direction:column;gap:.2rem}
.dtl li{position:relative;padding-left:1rem;font-size:.82rem;line-height:1.3;color:var(--ink)}
.dtl li::before{content:"★";position:absolute;left:0;top:1px;color:var(--warn);font-size:.6rem}
.dtm{display:grid;place-items:center;padding:1rem 0}
.mk{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;font-weight:800;line-height:1}
.mk.yes{background:var(--teal);color:#04120f;font-size:1rem} .mk.par{border:1.6px solid var(--warn);color:var(--warn);font-size:1.1rem} .mk.no{border:1px solid var(--line);color:var(--muted-2)}
.dtleg{font-family:var(--f-mono);font-size:.72rem;color:var(--muted-2);text-align:right;margin-top:.8rem}
@media(max-width:860px){
  .difft{border:0;background:none}
  .dthead{display:none}
  .dtr{grid-template-columns:1fr;border:1px solid var(--line);border-radius:14px;margin-bottom:1rem;background:var(--panel)}
  .dtm{grid-template-columns:1fr;padding:.5rem 1.1rem;justify-items:start;place-items:start}
  .dtm::before{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.08em;color:var(--muted-2);text-transform:uppercase}
  .dtm.c-tx::before{content:"TERRAXIS "} .dtm.c-com::before{content:"Sistema común "} .dtm.c-bas::before{content:"Sistema básico "}
  .dtm{display:flex;align-items:center;gap:.6rem} .dtx{background:none}
}

/* ---------- explora (home verticals) ---------- */
.explora{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2.4rem}
@media(max-width:820px){.explora{grid-template-columns:1fr}}
.exc{display:block;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:1.6rem;transition:border-color .25s,transform .25s;position:relative;overflow:hidden}
.exc:hover{border-color:var(--line-teal);transform:translateY(-4px)}
.exc .xk{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.14em;color:var(--teal);text-transform:uppercase}
.exc h3{font-size:1.3rem;margin:.6rem 0 .5rem}
.exc p{font-size:.9rem;color:var(--muted)}
.exc .arw{margin-top:1rem;color:var(--teal);font-weight:600;font-size:.9rem}

/* ---------- contacto / form ---------- */
.form{display:grid;gap:.9rem}
.form label{font-size:.74rem;color:var(--muted);font-family:var(--f-mono);letter-spacing:.06em;text-transform:uppercase}
.form input,.form select,.form textarea{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:.8rem .95rem;color:var(--ink);font-family:var(--f-body);font-size:.95rem;margin-top:.3rem}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(0,191,166,.12)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
@media(max-width:520px){.form .row{grid-template-columns:1fr}}
.contact-links{margin-top:1.6rem;display:grid;gap:.7rem;font-size:.95rem}
.contact-links a,.contact-links span{color:var(--muted);display:flex;gap:.6rem;align-items:center}
.contact-links b{color:var(--teal);font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;min-width:96px;display:inline-block}
.wa{display:inline-flex;align-items:center;gap:.5rem;background:#25d366;color:#04120f;font-weight:600;font-size:.9rem;padding:.7rem 1.2rem;border-radius:999px;margin-top:1.2rem;transition:transform .2s}
.wa:hover{transform:translateY(-2px)}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:2.4rem var(--gutter);display:flex;flex-wrap:wrap;gap:1rem 2rem;justify-content:space-between;align-items:center;color:var(--muted-2);font-size:.82rem;position:relative;z-index:1}
footer .brand img{height:34px}
footer .brand .wm{height:20px}
.footnp{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.03em}
footer .fnav{display:flex;flex-wrap:wrap;gap:1rem;font-size:.85rem}
footer .fnav a{color:var(--muted)} footer .fnav a:hover{color:var(--teal)}

/* ---------- reveal ---------- */
.reveal{opacity:1;transform:none}
html.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
html.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transform:none}}