/* =============================================================
   WE DESIGN — Mobiliario urbano en impresión 3D de hormigón
   Editorial arquitectónico · concreto cálido + acento verde mármol
   ============================================================= */
:root{
  --bg:#16150f;          /* charcoal cálido */
  --bg-2:#1d1c15;
  --bg-3:#232219;        /* card oscura */
  --bone:#ece7dc;        /* texto claro (concreto/bone) */
  --bone-2:#c3bdae;
  --bone-3:#8a8474;
  --cream:#e9e5db;       /* fondo secciones claras */
  --cream-2:#dfd9cc;
  --ink:#20201a;         /* texto sobre claro */
  --ink-2:#4d4a3f;
  --ink-3:#7a7666;
  --green:#4f6b52;       /* verde alpi (acento) */
  --green-2:#7fa07f;
  --green-3:#3a4f3c;
  --line:rgba(236,231,220,.12);
  --line-d:rgba(32,32,26,.14);
  --line-green:rgba(127,160,127,.4);

  --disp:"Fraunces", Georgia, "Times New Roman", serif;
  --sans:"Inter", system-ui, -apple-system, sans-serif;
  --mono:"JetBrains Mono", ui-monospace, monospace;
  --ease-out:cubic-bezier(0.16,1,0.3,1);
  --ease-soft:cubic-bezier(0.25,0.46,0.45,0.94);
  --pad:clamp(1.4rem,5vw,6rem);
  --maxw:1340px;
}
*,*::before,*::after{box-sizing:border-box;margin:0}
html{-webkit-text-size-adjust:100%;overflow-x:clip;scroll-behavior:smooth}
body{font-family:var(--sans);font-size:16px;line-height:1.65;color:var(--bone);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip;font-weight:300}
img,svg,video{display:block;max-width:100%}img{height:auto}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
a{color:inherit;text-decoration:none}
p{text-wrap:pretty}
h1,h2,h3,h4{text-wrap:balance;line-height:1.02;letter-spacing:-0.015em;font-weight:400;font-family:var(--disp)}
::selection{background:var(--green-2);color:var(--bg)}
:focus-visible{outline:1px solid var(--green-2);outline-offset:4px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.skip-link{position:fixed;top:-100px;left:1rem;padding:.6rem 1rem;background:var(--green-2);color:var(--bg);z-index:9999;border-radius:3px;font-family:var(--mono);font-size:.78rem}
.skip-link:focus{top:1rem}

/* cursor */
.cursor{position:fixed;inset:0;pointer-events:none;z-index:9000;display:none}
@media(hover:hover) and (pointer:fine){.cursor{display:block}}
.cursor-dot{position:fixed;width:6px;height:6px;border-radius:50%;background:var(--green-2);transform:translate(-50%,-50%)}
.cursor-ring{position:fixed;width:32px;height:32px;border-radius:50%;border:1px solid var(--green-2);transform:translate(-50%,-50%);transition:width .25s var(--ease-out),height .25s,background .25s,opacity .25s;opacity:.5}
.cursor.is-hover .cursor-ring{width:54px;height:54px;background:rgba(127,160,127,.08);opacity:.9}

/* type helpers */
.kicker{font-family:var(--mono);font-size:.68rem;letter-spacing:.28em;text-transform:uppercase;color:var(--bone-3);margin-bottom:1.5rem;display:inline-block}
.kicker--accent{color:var(--green-2)}
.mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--bone-3)}
em{font-family:var(--disp);font-style:italic;color:var(--green-2);font-weight:400}

.reveal{opacity:0;transform:translateY(26px);transition:opacity 1.1s var(--ease-out),transform 1.1s var(--ease-out)}
.reveal.is-in{opacity:1;transform:none}
.reveal[data-split]{opacity:1;transform:none;transition:none}
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity 1.1s var(--ease-out),transform 1.1s var(--ease-out)}
[data-reveal].is-in{opacity:1;transform:none}
.split-line{display:block;overflow:hidden}
.split-line>span{display:block;transform:translateY(120%);transition:transform 1.05s var(--ease-out)}
[data-split].is-in .split-line>span{transform:none}

h1.hero-title{font-size:clamp(2.9rem,8vw,6.6rem);line-height:.98;letter-spacing:-0.025em}
h2{font-size:clamp(2.1rem,5.2vw,4.2rem);line-height:1;letter-spacing:-0.02em}
h3{font-size:clamp(1.4rem,2.4vw,2rem)}
h4{font-size:clamp(1.1rem,1.5vw,1.35rem)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;padding:.95rem 1.7rem;border-radius:100px;font-weight:500;font-size:.83rem;letter-spacing:.02em;font-family:var(--sans);transition:background .35s var(--ease-out),color .35s,border-color .35s,transform .3s var(--ease-out);border:1px solid transparent}
.btn-primary{background:var(--green-2);color:var(--bg)}
.btn-primary:hover{background:var(--green);color:var(--bone);transform:translateY(-2px)}
.btn-line{border-color:var(--line-d);color:var(--ink)}
.btn-line:hover{border-color:var(--green);color:var(--green);transform:translateY(-2px)}
.btn-line--light{border-color:rgba(236,231,220,.32);color:var(--bone)}
.btn-line--light:hover{border-color:var(--green-2);color:var(--green-2)}

/* splash */
.splash{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;background:var(--bg);animation:splashSafety .01s 4.5s forwards}
.splash-inner{display:grid;gap:1.3rem;justify-items:center}
.splash-mark{font-family:var(--disp);font-style:italic;font-size:1.7rem;letter-spacing:.05em;color:var(--bone)}
.splash-bar{width:200px;height:1px;background:var(--bg-3);overflow:hidden}
.splash-bar i{display:block;height:100%;width:0;background:var(--green-2);animation:splashLoad 1.5s var(--ease-out) forwards}
.splash.is-out{opacity:0;pointer-events:none;transition:opacity .7s var(--ease-out)}
@keyframes splashLoad{to{width:100%}}
@keyframes splashSafety{to{opacity:0;pointer-events:none;visibility:hidden}}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:900;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.4rem var(--pad);transition:background .4s var(--ease-out),padding .4s,border-color .4s;border-bottom:1px solid transparent}
.nav.is-stuck{background:rgba(22,21,15,.8);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);border-bottom-color:var(--line);padding-block:.9rem}
.brand-mark{font-family:var(--disp);font-style:italic;font-size:1.3rem;letter-spacing:.04em;color:var(--bone)}
.nav-links{display:none;gap:2.2rem}
.nav-links a{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--bone-2);position:relative;padding:.2rem 0;transition:color .3s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--green-2);transition:width .4s var(--ease-out)}
.nav-links a:hover{color:var(--bone)}.nav-links a:hover::after{width:100%}
.nav-cta{display:none;padding:.6rem 1.2rem;font-size:.74rem}
.nav-toggle{display:flex;flex-direction:column;gap:5px;padding:.5rem}
.nav-toggle span{width:22px;height:1px;background:var(--bone);transition:transform .35s var(--ease-out),opacity .3s}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-6px) rotate(-45deg)}
.nav-drawer{position:fixed;inset:0;z-index:890;background:rgba(22,21,15,.98);backdrop-filter:blur(12px);display:flex;flex-direction:column;justify-content:center;gap:.4rem;padding:var(--pad);transform:translateY(-100%);transition:transform .55s var(--ease-out)}
.nav-drawer.is-open{transform:translateY(0)}
.nav-drawer a{font-family:var(--disp);font-style:italic;font-size:clamp(1.9rem,7vw,2.8rem);color:var(--bone);padding:.25rem 0;border-bottom:1px solid var(--line)}
.nav-drawer a:hover{color:var(--green-2);padding-left:.5rem}

/* ---------- media animation (Ken Burns + scan de impresión) ---------- */
.media-anim{position:relative;overflow:hidden;background:var(--bg-2)}
.media-anim img{width:100%;height:100%;object-fit:cover;transform-origin:52% 48%;animation:kenburns 22s ease-in-out infinite alternate;will-change:transform}
@keyframes kenburns{0%{transform:scale(1.02) translate3d(0,0,0)}100%{transform:scale(1.12) translate3d(-1.5%,-1%,0)}}
.scan{position:absolute;left:0;right:0;top:0;height:34%;pointer-events:none;z-index:3;
  background:linear-gradient(180deg,rgba(127,160,127,0) 0%,rgba(127,160,127,.10) 55%,rgba(200,220,200,.28) 92%,rgba(255,255,255,.5) 100%);
  mix-blend-mode:screen;opacity:.55;animation:scan 6.5s linear infinite}
@keyframes scan{0%{transform:translateY(-120%)}100%{transform:translateY(420%)}}
@media(prefers-reduced-motion:reduce){.media-anim img{animation:none}.scan{display:none}}

/* HERO */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:flex-end;padding:8rem var(--pad) 3.5rem;overflow:hidden}
.hero-figure{position:absolute;inset:0;z-index:0}
.hero-tint{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(22,21,15,.55) 0%,rgba(22,21,15,.15) 30%,rgba(22,21,15,.35) 60%,rgba(22,21,15,.92) 100%)}
.hero-inner{position:relative;z-index:5;max-width:var(--maxw);width:100%;margin:0 auto}
.hero-title{color:var(--bone);max-width:15ch;margin-bottom:1.5rem}
.hero-sub{color:var(--bone-2);max-width:50ch;font-size:clamp(1.02rem,1.4vw,1.25rem);font-weight:300;margin-bottom:2.2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem}
.hero-scroll{position:absolute;bottom:2rem;right:var(--pad);z-index:5;display:inline-flex;align-items:center;gap:.8rem;font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--bone-2)}
.hero-scroll-line{width:40px;height:1px;background:var(--bone-2)}

/* marquee */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding-block:1.3rem;background:var(--bg-2)}
.marquee-track{display:flex;align-items:center;gap:2.4rem;width:max-content;animation:marquee 46s linear infinite}
.marquee-track span{font-family:var(--disp);font-style:italic;font-size:clamp(1.1rem,2.2vw,1.7rem);color:var(--bone-2);white-space:nowrap}
.marquee-track i{font-style:normal;color:var(--green-2);font-size:.6em}
@keyframes marquee{to{transform:translateX(-50%)}}

section{padding:clamp(4.5rem,9vw,8rem) var(--pad)}
.section-head{max-width:var(--maxw);margin:0 auto clamp(2.6rem,5vw,4rem)}
.section-head--center{text-align:center}
.section-head--dark h2{color:var(--bone)}

/* CONCEPTO (claro) */
.concepto{background:var(--cream);color:var(--ink)}
.concepto .kicker{color:var(--ink-3)}
.concepto h2{color:var(--ink)}
.concepto-inner{max-width:var(--maxw);margin:0 auto;display:grid;gap:3rem;align-items:center}
.concepto-body{margin-top:1.8rem;display:grid;gap:1.2rem;max-width:52ch}
.concepto-body p{color:var(--ink-2);font-size:clamp(1rem,1.3vw,1.12rem);font-weight:300}
.stats{margin-top:2.4rem;display:flex;flex-wrap:wrap;gap:2.4rem}
.stat{display:grid;gap:.2rem}
.stat strong{font-family:var(--disp);font-size:clamp(2rem,4vw,2.8rem);font-weight:400;color:var(--green);line-height:1}
.stat span{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.concepto-figure{border-radius:3px;aspect-ratio:4/3}
.concepto-figure figcaption{position:absolute;left:1.2rem;bottom:1.2rem;z-index:4;padding:.55rem .9rem;background:rgba(22,21,15,.72);backdrop-filter:blur(8px);border:1px solid var(--line)}
.concepto-figure figcaption .mono{color:var(--bone-2)}

/* TECNOLOGÍA (oscuro con foto de fondo) */
.tech{position:relative;overflow:hidden;background:var(--bg)}
.tech-figure{position:absolute;inset:0;z-index:0}
.tech-tint{position:absolute;inset:0;z-index:2;background:linear-gradient(180deg,rgba(22,21,15,.72) 0%,rgba(22,21,15,.85) 55%,rgba(22,21,15,.96) 100%)}
.tech-inner{position:relative;z-index:5;max-width:var(--maxw);margin:0 auto}
.tech-grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.tech-card{background:rgba(22,21,15,.55);backdrop-filter:blur(4px);padding:2.2rem 1.9rem 2.4rem;transition:background .4s}
.tech-card:hover{background:rgba(35,34,25,.75)}
.tech-card .idx{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;color:var(--green-2)}
.tech-card h3{color:var(--bone);margin:1.2rem 0 .8rem}
.tech-card p{color:var(--bone-2);font-size:.95rem;font-weight:300;max-width:38ch}

/* COLECCIÓN (claro, editorial alterno) */
.coleccion{background:var(--cream-2);color:var(--ink)}
.coleccion .kicker{color:var(--ink-3)}
.coleccion h2{color:var(--ink)}
.piece{max-width:var(--maxw);margin:0 auto clamp(3.5rem,6vw,5.5rem);display:grid;gap:2rem;align-items:center}
.piece:last-child{margin-bottom:0}
.piece-figure{border-radius:3px;aspect-ratio:4/3}
.piece-idx{color:var(--green);display:block;margin-bottom:1rem}
.piece-copy h3{color:var(--ink);margin-bottom:1rem}
.piece-lead{color:var(--ink-2);font-size:clamp(1rem,1.3vw,1.12rem);font-weight:300;max-width:46ch;margin-bottom:1.6rem}
.piece-meta{list-style:none;display:grid;gap:1rem;border-top:1px solid var(--line-d);padding-top:1.4rem}
.piece-meta li{display:grid;gap:.25rem}
.piece-meta li span{font-family:var(--mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;color:var(--green)}
.piece-meta li{color:var(--ink-2);font-size:.95rem;font-weight:400}

/* MATERIALES (oscuro) */
.materiales{background:var(--bg)}
.mat-grid{max-width:var(--maxw);margin:0 auto;display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.mat-card{background:var(--bg);padding:1.8rem 1.6rem;transition:background .4s;display:flex;align-items:center;gap:1.2rem}
.mat-card:hover{background:var(--bg-3)}
.mat-card .sw{width:44px;height:44px;border-radius:6px;flex:none;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.mat-card h4{color:var(--bone);line-height:1.1}
.mat-card .mono{color:var(--green-2);font-size:.66rem;margin-top:.2rem}

/* SHOWCASE (oscuro con foto) */
.showcase{position:relative;overflow:hidden;background:var(--bg-2)}
.showcase-figure{position:absolute;inset:0;z-index:0}
.showcase-tint{position:absolute;inset:0;z-index:2;background:linear-gradient(180deg,rgba(22,21,15,.68) 0%,rgba(22,21,15,.85) 60%,rgba(22,21,15,.96) 100%)}
.showcase-inner{position:relative;z-index:5;max-width:var(--maxw);margin:0 auto}
.show-grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.show-card{background:rgba(22,21,15,.55);backdrop-filter:blur(4px);padding:2rem 1.8rem;transition:background .4s}
.show-card:hover{background:rgba(35,34,25,.75)}
.show-card h4{color:var(--bone);margin-bottom:.7rem}
.show-card p{color:var(--bone-2);font-size:.93rem;font-weight:300;max-width:40ch}

/* COMPROMISO (claro) */
.compromiso{background:var(--cream)}
.compromiso .kicker{color:var(--ink-3)}
.compromiso h2{color:var(--ink)}
.comp-grid{max-width:var(--maxw);margin:0 auto;display:grid;gap:1px;background:var(--line-d);border:1px solid var(--line-d)}
.comp-card{background:var(--cream);padding:2.4rem 2rem;transition:background .4s}
.comp-card:hover{background:#e3ddcf}
.comp-card h3{color:var(--ink);margin-bottom:.9rem}
.comp-card p{color:var(--ink-2);font-size:.96rem;font-weight:300}

/* CONTACTO (oscuro) */
.contacto{background:var(--bg)}
.contacto-inner{max-width:920px;margin:0 auto;text-align:center}
.contacto h2{color:var(--bone)}
.contacto-lead{color:var(--bone-2);font-size:clamp(1rem,1.3vw,1.12rem);font-weight:300;margin:1.4rem auto 2.6rem;max-width:56ch}
.form{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem;text-align:left;max-width:680px;margin:0 auto}
.field{display:grid;gap:.4rem}
.field--full{grid-column:1/-1}
.field label{font-family:var(--mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--bone-3)}
.field input,.field textarea{background:var(--bg-2);border:1px solid var(--line);border-radius:6px;padding:.8rem 1rem;color:var(--bone);font-family:var(--sans);font-size:.95rem;transition:border-color .3s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--green-2)}
.hpot{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-actions{display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap;margin-top:.4rem}
.form-msg{font-family:var(--mono);font-size:.74rem;color:var(--green-2)}
.contacto-direct{margin-top:2.2rem;display:flex;align-items:center;justify-content:center;gap:1rem;font-family:var(--mono);font-size:.8rem;letter-spacing:.06em}
.contacto-direct a{color:var(--green-2);transition:color .3s}
.contacto-direct a:hover{color:var(--bone)}
.contacto-direct span{color:var(--bone-3)}

/* footer */
.footer{background:var(--bg-2);border-top:1px solid var(--line);padding:clamp(3rem,6vw,4.5rem) var(--pad) 2rem}
.footer-top{max-width:var(--maxw);margin:0 auto;display:grid;gap:2.2rem}
.footer-name{font-family:var(--disp);font-style:italic;font-size:1.5rem;color:var(--bone);display:block;letter-spacing:.04em}
.footer-tag{margin-top:.6rem;color:var(--bone-3);font-size:.82rem;max-width:40ch}
.footer-nav{display:flex;flex-wrap:wrap;gap:1rem 2rem}
.footer-nav a{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--bone-2);transition:color .3s}
.footer-nav a:hover{color:var(--green-2)}
.footer-contact{display:grid;gap:.5rem}
.footer-contact a,.footer-contact span{font-size:.88rem;color:var(--bone-2)}
.footer-contact a{transition:color .3s}.footer-contact a:hover{color:var(--green-2)}
.footer-bottom{max-width:var(--maxw);margin:2.6rem auto 0;padding-top:1.6rem;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:.8rem;justify-content:space-between;color:var(--bone-3);font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase}

/* WhatsApp flotante */
.wa-bubble{position:fixed;right:1.3rem;bottom:1.3rem;z-index:950;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:#25d366;color:#fff;box-shadow:0 10px 30px rgba(37,211,102,.4);transition:transform .3s var(--ease-out),box-shadow .3s}
.wa-bubble:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 14px 36px rgba(37,211,102,.55)}

/* responsive */
@media(min-width:720px){
  .tech-grid,.show-grid,.comp-grid{grid-template-columns:repeat(3,1fr)}
  .mat-grid{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:960px){
  .nav-links{display:flex}.nav-cta{display:inline-flex}.nav-toggle{display:none}
  .concepto-inner{grid-template-columns:1fr .9fr;gap:4.5rem}
  .piece{grid-template-columns:1.05fr .95fr;gap:3.5rem}
  .piece--rev .piece-figure{order:2}
  .mat-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:600px){
  .form{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  .marquee-track{animation-duration:120s}
}