/* ============================================================
   Abda Studio — dirección "El trazo"
   ============================================================ */

@font-face{font-family:'Bricolage Grotesque';font-style:normal;font-weight:200 800;font-display:swap;src:url('../fonts/bricolage-vf.woff2') format('woff2')}
@font-face{font-family:'Inter Tight';font-style:normal;font-weight:100 900;font-display:swap;src:url('../fonts/intertight-vf.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/plexmono-400.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/plexmono-500.woff2') format('woff2')}

:root{
  --bg:#071310; --bg2:#0b1f1a;
  --ink:#eafbf5; --dim:#93b3aa; --faint:#5e7c74;
  --teal:#2fb8a0; --teal-lo:#177567; --teal-hi:#7ff0d6;
  --line:rgba(120,180,168,.16);
  --disp:'Bricolage Grotesque',sans-serif;
  --body:'Inter Tight',system-ui,sans-serif;
  --mono:'IBM Plex Mono',monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,p,ul{margin:0}
::selection{background:var(--teal);color:#04100d}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:3px}
.wrap{width:min(1180px,92vw);margin-inline:auto}
.g{color:transparent;background:linear-gradient(120deg,var(--teal),var(--teal-hi));-webkit-background-clip:text;background-clip:text}
.mono{font-family:var(--mono)}

.skip{position:absolute;left:-999px;top:0;z-index:200;background:var(--teal);color:#04100d;padding:10px 18px;border-radius:0 0 10px 0;font-family:var(--mono);font-size:13px}
.skip:focus{left:0}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:100;background:rgba(7,19,16,.72);
  backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.brand{display:flex;align-items:center;gap:12px;font-weight:600;font-size:17px;letter-spacing:-.01em}
.brand img{border-radius:8px}
.brand span{color:var(--dim);font-weight:400}
.brand.sm{font-size:15px}
.links{display:flex;gap:30px;font-size:14px;color:var(--dim)}
.links a{transition:color .2s}
.links a:hover{color:var(--ink)}
.pill{font-family:var(--mono);font-size:13px;border:1px solid var(--line);padding:9px 18px;border-radius:999px;transition:border-color .2s,background .2s}
.pill:hover{border-color:var(--teal);background:rgba(47,184,160,.08)}
@media(max-width:820px){.links{display:none}}

/* ---------- hero ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;overflow:hidden;
  background:radial-gradient(1100px 700px at 78% 30%,rgba(23,117,103,.16),transparent 65%),var(--bg)}
.hero-in{position:relative;z-index:2;padding:90px 0 110px}
.heroA{position:absolute;z-index:1;right:clamp(24px,7vw,110px);top:50%;transform:translateY(-50%);
  width:min(36vw,440px);pointer-events:none}
.heroA svg{width:100%;height:auto;display:block;overflow:visible}
.heroA.done svg{filter:drop-shadow(0 20px 70px rgba(23,117,103,.4))}
.mp{fill:none;stroke:#fff;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:900px){.heroA{right:-10vw;width:62vw;opacity:.3}}

.tag{font-family:var(--mono);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin-bottom:32px}
.hero h1{font-family:var(--disp);font-weight:600;font-size:clamp(2.7rem,7.6vw,6.6rem);line-height:.97;letter-spacing:-.03em;text-wrap:balance}
.lead{margin-top:30px;max-width:54ch;font-size:clamp(1.05rem,1.6vw,1.3rem);line-height:1.62;color:var(--dim)}
.cta-row{margin-top:44px;display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:500;font-size:15px;padding:15px 26px;border-radius:12px;transition:transform .25s,box-shadow .25s,border-color .25s}
.btn.pri{background:linear-gradient(120deg,var(--teal-lo),var(--teal));color:#04100d;box-shadow:0 14px 40px -16px rgba(47,184,160,.6)}
.btn.pri:hover{transform:translateY(-2px);box-shadow:0 22px 52px -16px rgba(47,184,160,.75)}
.btn.gho{border:1px solid var(--line)}
.btn.gho:hover{border-color:var(--teal)}
.btn.big{font-size:clamp(1rem,2vw,1.2rem);padding:18px 32px}
.btn .ar{transition:transform .25s}
.btn:hover .ar{transform:translateX(4px)}
.cue{margin-top:74px;font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);display:flex;align-items:center;gap:12px}
.cue .ln{width:44px;height:1px;background:var(--faint);position:relative;overflow:hidden}
.cue .ln::after{content:"";position:absolute;inset:0;background:var(--teal);animation:cue 2.2s ease-in-out infinite}
@keyframes cue{0%{transform:translateX(-100%)}60%,100%{transform:translateX(100%)}}

/* hero load-in */
.li{opacity:0;transform:translateY(26px);animation:liftin .9s cubic-bezier(.2,.7,.2,1) forwards}
.l0{animation-delay:.15s}.l1{animation-delay:.3s}.l2{animation-delay:.5s}.l3{animation-delay:.68s}.l4{animation-delay:.9s}
@keyframes liftin{to{opacity:1;transform:none}}

/* ---------- thread ---------- */
#thread-zone{position:relative}
#thread{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
#thread .t{fill:none;stroke:url(#tg);stroke-linecap:round;stroke-linejoin:round}
#thread .glow-w{stroke-width:12;opacity:.08}
#thread .glow-m{stroke-width:5.5;opacity:.22}
#thread .core{stroke-width:2.4}
#nodes circle{fill:#0b241e;stroke:var(--teal-lo);stroke-width:1.5;transition:fill .5s,stroke .5s,r .5s}
#nodes circle.lit{fill:var(--teal);stroke:var(--teal-hi);filter:drop-shadow(0 0 8px rgba(95,230,201,.8))}
#comet{filter:drop-shadow(0 0 10px rgba(95,230,201,.65))}
#thread-zone>section{position:relative;z-index:2}
@media(max-width:720px){
  #thread .glow-w{stroke-width:9}
  #thread .glow-m{stroke-width:4}
  #thread .core{stroke-width:2}
}

/* ---------- sections ---------- */
.blk{padding:clamp(84px,14vh,160px) 0}
.shead{margin-bottom:64px;max-width:62ch}
.idx{font-family:var(--mono);font-size:12px;color:var(--teal);letter-spacing:.14em;text-transform:uppercase;display:block;margin-bottom:18px}
.blk h2,.cta h2{font-family:var(--disp);font-weight:600;font-size:clamp(2rem,5vw,3.6rem);line-height:1.02;letter-spacing:-.025em;text-wrap:balance}
.shead p{margin-top:20px;color:var(--dim);font-size:1.1rem;line-height:1.62;max-width:56ch}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.grid3{grid-template-columns:1fr}}
.node-c{position:relative;padding:36px 30px 40px;border:1px solid var(--line);border-radius:20px;
  background:linear-gradient(180deg,rgba(18,40,34,.5),rgba(7,19,16,0));
  transition:transform .35s,border-color .35s,box-shadow .35s}
.node-c:hover{transform:translateY(-5px);border-color:rgba(47,184,160,.45);box-shadow:0 24px 60px -30px rgba(47,184,160,.5)}
.num{font-family:var(--mono);font-size:12px;color:var(--teal);letter-spacing:.1em}
.node-c h3{font-family:var(--disp);font-size:1.4rem;font-weight:600;margin:18px 0 12px;letter-spacing:-.01em}
.node-c p{color:var(--dim);line-height:1.6;font-size:.98rem}
.node-c ul{margin:22px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px}
.node-c li{font-family:var(--mono);font-size:12.5px;color:var(--dim);display:flex;gap:10px;align-items:center}
.node-c li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--teal);flex:none}

/* ---------- band ---------- */
.band{padding:clamp(56px,9vh,90px) 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,31,26,.55),rgba(7,19,16,.2))}
.band-in{display:grid;grid-template-columns:repeat(3,1fr);gap:44px}
@media(max-width:820px){.band-in{grid-template-columns:1fr;gap:36px}}
.bn{font-family:var(--disp);font-weight:600;font-size:clamp(3rem,6.5vw,4.6rem);line-height:1;letter-spacing:-.02em}
.bt{font-family:var(--disp);font-weight:600;font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.08;letter-spacing:-.015em}
.band p{margin-top:14px;color:var(--dim);line-height:1.55;font-size:.98rem;max-width:30ch}

/* ---------- steps ---------- */
.steps{display:flex;flex-direction:column;max-width:820px}
.step{display:grid;grid-template-columns:auto 1fr;gap:26px;padding:30px 0;border-top:1px solid var(--line)}
.step:last-child{border-bottom:1px solid var(--line)}
.sn{font-family:var(--mono);color:var(--teal);font-size:13px;padding-top:5px}
.step h3{font-family:var(--disp);font-size:1.25rem;font-weight:600;margin-bottom:8px;letter-spacing:-.01em}
.step p{color:var(--dim);font-size:1rem;line-height:1.6;max-width:60ch}

/* ---------- estudio ---------- */
.est-in{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
@media(max-width:860px){.est-in{grid-template-columns:1fr;gap:10px}}
.estudio .shead{margin-bottom:0}
.est-txt{display:flex;flex-direction:column;gap:22px;padding-top:44px}
.est-txt p{color:var(--dim);font-size:1.08rem;line-height:1.7;max-width:56ch}

/* ---------- cta ---------- */
.cta{padding:clamp(90px,16vh,180px) 0;text-align:center}
.cta h2{max-width:16ch;margin:0 auto;font-size:clamp(2.3rem,6.5vw,4.8rem);line-height:1}
.cta p{margin:26px auto 44px;max-width:46ch;color:var(--dim);font-size:1.15rem;line-height:1.6}

/* ---------- footer ---------- */
.ft{border-top:1px solid var(--line);padding:46px 0 64px;color:var(--faint)}
.ft-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center}
.ft .mono{font-size:12.5px;letter-spacing:.04em}
.ft a:hover{color:var(--dim)}

/* ---------- reveal on scroll ---------- */
.r{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.r.in{opacity:1;transform:none}
.r.d1{transition-delay:.08s}.r.d2{transition-delay:.16s}.r.d3{transition-delay:.24s}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .li,.r{opacity:1;transform:none;animation:none}
  #comet{display:none}
}