/* ============================================================
   PALLEGGIO — Sistema de diseño
   Construcción & Arquitectura
   ============================================================ */

:root{
  --navy:#003366;
  --blue:#336699;
  --ink:#000033;
  --white:#ffffff;

  --g1:#f6f7f9;   /* lightest section tint */
  --g2:#eef0f3;
  --g3:#e3e6ea;   /* hairlines */
  --g4:#d6dae0;
  --text:#16202e;
  --muted:#5d6675;
  --faint:#98a1ad;

  --maxw:1360px;
  --gut:clamp(22px,5vw,80px);   /* page gutter / sangría */

  --f-display:'Jost',system-ui,sans-serif;
  --f-body:'Hanken Grotesk',system-ui,sans-serif;
  --f-mono:'Space Mono',ui-monospace,monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--white);color:var(--text);
  font-family:var(--f-body);font-size:17px;line-height:1.6;
  font-weight:400;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
::selection{background:var(--navy);color:#fff;}

/* ---------- layout helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut);}
.section{padding-block:clamp(72px,11vw,150px);}
.eyebrow{
  font-family:var(--f-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--blue);display:inline-flex;gap:12px;align-items:center;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--blue);display:inline-block;}
.eyebrow.center::before{display:none;}

h1,h2,h3,h4{font-family:var(--f-display);font-weight:300;letter-spacing:-.02em;color:var(--navy);margin:0;line-height:1.02;}
p{text-wrap:pretty;}
.lead{font-size:clamp(19px,2.1vw,23px);line-height:1.55;color:#2b3543;font-weight:400;}

/* ---------- buttons / links ---------- */
.btn{
  display:inline-flex;align-items:center;gap:12px;font-family:var(--f-display);
  font-size:15px;letter-spacing:.04em;text-transform:uppercase;color:var(--navy);
  padding:15px 26px;border:1px solid var(--navy);border-radius:2px;
  transition:background .4s var(--ease),color .4s var(--ease),gap .3s var(--ease);
  cursor:pointer;background:transparent;
}
.btn:hover{background:var(--navy);color:#fff;gap:18px;}
.btn--solid{background:var(--navy);color:#fff;}
.btn--solid:hover{background:var(--ink);}
.btn--ghost-light{color:#fff;border-color:rgba(255,255,255,.55);}
.btn--ghost-light:hover{background:#fff;color:var(--navy);}

.link-u{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--f-display);
  font-size:15px;letter-spacing:.04em;text-transform:uppercase;color:var(--navy);
  padding-bottom:6px;border-bottom:1px solid var(--navy);transition:gap .3s var(--ease);
}
.link-u:hover{gap:16px;}
.link-u .ar{transition:transform .3s var(--ease);}
.link-u:hover .ar{transform:translateX(4px);}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  transition:background .45s var(--ease),box-shadow .45s var(--ease),border-color .45s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header .bar{
  display:flex;align-items:center;justify-content:space-between;
  height:84px;max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut);
}
.brand{display:flex;align-items:center;}
.brand img{height:30px;width:auto;transition:opacity .3s;}
.brand .logo-white{display:block;}
.brand .logo-navy{display:none;}

.nav{display:flex;align-items:center;gap:40px;}
.nav-links{display:flex;align-items:center;gap:36px;}
.nav-links a{
  font-size:15px;letter-spacing:.01em;color:#fff;position:relative;padding:4px 0;
  transition:color .3s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:currentColor;
  transition:width .35s var(--ease);
}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-links a.active{font-weight:500;}

.lang{display:flex;align-items:center;gap:7px;font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;}
.lang button{
  background:none;border:none;color:inherit;font:inherit;cursor:pointer;opacity:.55;padding:2px;
  transition:opacity .3s;
}
.lang button.on{opacity:1;font-weight:700;}
.lang .sep{opacity:.4;}

/* header state: solid (scrolled or non-hero pages) */
.site-header.solid{background:rgba(255,255,255,.92);backdrop-filter:saturate(140%) blur(12px);border-color:var(--g3);}
.site-header.solid .nav-links a{color:var(--text);}
.site-header.solid .lang{color:var(--navy);}
.site-header.solid .brand .logo-white{display:none;}
.site-header.solid .brand .logo-navy{display:block;}
/* index: light hero — dark nav content on a transparent header (bg appears on scroll) */
body.nav-dark .site-header .nav-links a{color:var(--text);}
body.nav-dark .site-header .lang{color:var(--navy);}
body.nav-dark .site-header .brand .logo-white{display:none;}
body.nav-dark .site-header .brand .logo-navy{display:block;}
body.nav-dark .site-header .burger{color:var(--navy);}

/* pages without dark hero start solid via .header-light on body */
body.header-light .site-header{background:rgba(255,255,255,.92);backdrop-filter:saturate(140%) blur(12px);border-color:var(--g3);}
body.header-light .site-header .nav-links a{color:var(--text);}
body.header-light .site-header .lang{color:var(--navy);}
body.header-light .site-header .brand .logo-white{display:none;}
body.header-light .site-header .brand .logo-navy{display:block;}

/* burger */
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;z-index:70;}
.burger span{width:26px;height:1.5px;background:currentColor;transition:transform .35s var(--ease),opacity .3s;display:block;}
.site-header .burger{color:#fff;}
.site-header.solid .burger,body.header-light .burger{color:var(--navy);}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--ink);color:#cdd6e3;padding-block:clamp(60px,8vw,96px) 36px;}
.site-footer .wrap{display:block;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand img{height:30px;margin-bottom:22px;}
.footer-brand p{color:#9fb0c6;max-width:330px;font-size:15.5px;}
.footer-col h4{font-family:var(--f-mono);font-weight:400;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#7e93ad;margin-bottom:18px;}
.footer-col a,.footer-col p{display:block;color:#cdd6e3;font-size:15.5px;margin-bottom:11px;transition:color .3s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding-top:28px;}
.footer-bottom small{color:#7e93ad;font-size:13px;letter-spacing:.02em;}
.footer-word{font-family:var(--f-display);font-weight:200;color:rgba(255,255,255,.05);
  font-size:clamp(70px,18vw,260px);line-height:.8;letter-spacing:-.03em;margin-top:40px;user-select:none;}

/* ============================================================
   HERO (Inicio — variación C tipográfica)
   ============================================================ */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding-top:84px;}
.hero .wrap{width:100%;}
.hero-stage{position:relative;}
.hero-eyebrow{margin-bottom:34px;}
.hero h1{
  font-size:clamp(46px,8.4vw,120px);font-weight:200;line-height:.92;letter-spacing:-.035em;color:var(--navy);
  max-width:min(100%,1000px);position:relative;z-index:2;
}
.hero h1 .l2{padding-left:clamp(36px,7vw,120px);color:var(--blue);}
.hero h1 span{display:block;}
.hero-inset{
  position:absolute;right:0;top:46%;transform:translateY(-50%);
  width:clamp(190px,22vw,320px);aspect-ratio:5/6;overflow:hidden;border-radius:2px;z-index:1;
  box-shadow:0 30px 70px rgba(0,30,70,.18);
}
.hero-inset img{width:100%;height:100%;object-fit:cover;}
.hero-meta{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-top:clamp(40px,7vw,90px);flex-wrap:wrap;}
.hero-meta p{max-width:420px;color:#2b3543;font-size:clamp(16px,1.6vw,18.5px);}
.hero-scroll{display:flex;align-items:center;gap:12px;font-family:var(--f-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);}
.hero-scroll .ln{width:46px;height:1px;background:var(--g4);position:relative;overflow:hidden;}
.hero-scroll .ln::after{content:"";position:absolute;inset:0;background:var(--navy);transform:translateX(-100%);animation:scrollline 2.4s var(--ease) infinite;}
@keyframes scrollline{0%{transform:translateX(-100%);}50%{transform:translateX(0);}100%{transform:translateX(100%);}}

/* ---------- categories index ---------- */
.idx{border-top:1px solid var(--g3);}
.idx-row{
  display:grid;grid-template-columns:96px 1fr auto 64px;align-items:center;gap:26px;
  padding:clamp(26px,3.6vw,46px) 0;border-bottom:1px solid var(--g3);position:relative;cursor:pointer;
  transition:padding-left .45s var(--ease);
}
.idx-row .num{font-family:var(--f-mono);font-size:13px;color:var(--blue);}
.idx-row .nm{font-family:var(--f-display);font-weight:300;font-size:clamp(28px,4.4vw,52px);color:var(--ink);letter-spacing:-.02em;transition:color .4s;}
.idx-row .dsc{color:var(--muted);font-size:15px;max-width:340px;justify-self:end;text-align:right;}
.idx-row .ar{font-family:var(--f-display);font-size:26px;color:var(--blue);justify-self:end;transition:transform .4s var(--ease);}
.idx-row:hover{padding-left:18px;}
.idx-row:hover .nm{color:var(--blue);}
.idx-row:hover .ar{transform:translateX(8px);}
.idx-thumb{position:fixed;pointer-events:none;width:280px;height:200px;overflow:hidden;border-radius:3px;
  opacity:0;transform:translate(-50%,-50%) scale(.92);transition:opacity .35s,transform .45s var(--ease);z-index:5;
  box-shadow:0 24px 60px rgba(0,20,50,.25);}
.idx-thumb img{width:100%;height:100%;object-fit:cover;}
.idx-thumb.show{opacity:1;transform:translate(-50%,-50%) scale(1);}

/* ============================================================
   SECTION: statement / intro
   ============================================================ */
.statement{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,7vw,110px);align-items:start;}
.statement .big{font-family:var(--f-display);font-weight:300;font-size:clamp(26px,3.3vw,40px);line-height:1.18;color:var(--navy);letter-spacing:-.02em;}
.statement .body p{color:var(--muted);margin-top:0;}
.statement .body p+p{margin-top:20px;}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:54px;border-top:1px solid var(--g3);padding-top:40px;}
.stat .n{font-family:var(--f-display);font-weight:300;font-size:clamp(38px,5vw,62px);color:var(--navy);line-height:1;letter-spacing:-.02em;}
.stat .l{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:12px;}

/* ============================================================
   FEATURED / PROJECT GRID
   ============================================================ */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:clamp(36px,5vw,64px);flex-wrap:wrap;}
.sec-head h2{font-size:clamp(32px,5vw,58px);}
.sec-head .eyebrow{margin-bottom:18px;}

.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(20px,2.4vw,34px);}
.card{grid-column:span 4;cursor:pointer;}
.card.wide{grid-column:span 8;}
.card.half{grid-column:span 6;}
.card-img{position:relative;overflow:hidden;border-radius:2px;background:var(--g2);aspect-ratio:4/3;}
.card.wide .card-img,.card.half .card-img{aspect-ratio:16/10;}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease);}
.card:hover .card-img img{transform:scale(1.05);}
.card-img .cat-tag{
  position:absolute;top:14px;left:14px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:#fff;background:rgba(0,20,50,.42);backdrop-filter:blur(4px);
  padding:6px 11px;border-radius:2px;
}
.card-meta{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-top:18px;padding-bottom:18px;border-bottom:1px solid var(--g3);}
.card-meta h3{font-family:var(--f-display);font-weight:400;font-size:clamp(19px,1.7vw,23px);color:var(--ink);letter-spacing:-.01em;}
.card-meta .loc{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.06em;color:var(--faint);text-transform:uppercase;white-space:nowrap;}
.card .plus{margin-top:14px;font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;color:var(--blue);text-transform:uppercase;display:inline-flex;gap:8px;align-items:center;opacity:0;transform:translateY(4px);transition:opacity .4s,transform .4s var(--ease);}
.card:hover .plus{opacity:1;transform:translateY(0);}

/* filter bar */
.filter{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:clamp(34px,4vw,54px);}
.filter button{
  font-family:var(--f-display);font-size:14.5px;letter-spacing:.02em;color:var(--muted);
  background:none;border:1px solid var(--g3);border-radius:100px;padding:10px 22px;cursor:pointer;
  transition:all .35s var(--ease);
}
.filter button:hover{border-color:var(--g4);color:var(--navy);}
.filter button.on{background:var(--navy);border-color:var(--navy);color:#fff;}

/* ============================================================
   LIGHTBOX / PROJECT DETAIL
   ============================================================ */
.lb{position:fixed;inset:0;z-index:100;display:none;}
.lb.open{display:block;}
.lb-bg{position:absolute;inset:0;background:rgba(6,14,28,.62);backdrop-filter:blur(6px);opacity:0;transition:opacity .4s;}
.lb.open .lb-bg{opacity:1;}
.lb-panel{
  position:absolute;top:0;right:0;height:100%;width:min(960px,94vw);background:#fff;
  display:grid;grid-template-rows:auto 1fr;transform:translateX(100%);transition:transform .55s var(--ease);
  overflow:hidden;
}
.lb.open .lb-panel{transform:none;}
.lb-figure{position:relative;height:46vh;min-height:280px;background:var(--g2);overflow:hidden;}
.lb-figure img{width:100%;height:100%;object-fit:cover;}
.lb-close{position:absolute;top:20px;right:20px;width:46px;height:46px;border-radius:50%;border:none;background:rgba(255,255,255,.9);cursor:pointer;font-size:20px;color:var(--navy);display:flex;align-items:center;justify-content:center;z-index:3;transition:transform .3s,background .3s;}
.lb-close:hover{transform:rotate(90deg);background:#fff;}
.lb-body{padding:clamp(30px,4vw,56px);overflow-y:auto;}
.lb-body .cat-tag{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);}
.lb-body h2{font-size:clamp(28px,4vw,46px);margin:16px 0 0;}
.lb-specs{display:flex;gap:30px;flex-wrap:wrap;margin:24px 0 30px;padding-bottom:30px;border-bottom:1px solid var(--g3);}
.lb-spec .k{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);}
.lb-spec .v{font-family:var(--f-display);font-size:20px;color:var(--navy);margin-top:4px;}
.lb-body .desc{color:var(--muted);font-size:16.5px;line-height:1.7;}

/* ============================================================
   CTA band
   ============================================================ */
.cta-band{background:var(--navy);color:#fff;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;inset:0;opacity:.08;
  background-image:linear-gradient(#cfe0ff 1px,transparent 1px),linear-gradient(90deg,#cfe0ff 1px,transparent 1px);background-size:64px 64px;}
.cta-band .wrap{position:relative;display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(32px,5vw,62px);font-weight:200;}
.cta-band p{color:#aecbe8;margin-top:14px;max-width:420px;}

/* ============================================================
   PAGE HEADER (interior pages)
   ============================================================ */
.page-hero{padding-top:calc(84px + clamp(54px,8vw,110px));padding-bottom:clamp(40px,6vw,72px);border-bottom:1px solid var(--g3);}
.page-hero h1{font-size:clamp(44px,8vw,104px);font-weight:200;letter-spacing:-.035em;}
.page-hero .eyebrow{margin-bottom:26px;}
.page-hero .sub{margin-top:28px;max-width:560px;}

/* ============================================================
   NOSOTROS
   ============================================================ */
.mv{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,64px);}
.mv-card{border:1px solid var(--g3);border-radius:3px;padding:clamp(30px,4vw,52px);transition:border-color .4s,transform .5s var(--ease);}
.mv-card:hover{border-color:var(--g4);}
.mv-card .ico{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;color:var(--blue);text-transform:uppercase;margin-bottom:20px;}
.mv-card h3{font-size:clamp(24px,3vw,34px);margin-bottom:18px;}
.mv-card p{color:var(--muted);margin:0;}
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.value .n{font-family:var(--f-mono);font-size:12px;color:var(--blue);}
.value h4{font-family:var(--f-display);font-weight:400;font-size:20px;color:var(--ink);margin:14px 0 8px;}
.value p{color:var(--muted);font-size:15px;margin:0;}

/* ============================================================
   SERVICIOS
   ============================================================ */
.svc{border-top:1px solid var(--g3);}
.svc-row{display:grid;grid-template-columns:90px 1.1fr 1.4fr;gap:clamp(20px,3vw,50px);align-items:start;padding:clamp(34px,4.5vw,58px) 0;border-bottom:1px solid var(--g3);transition:background .4s;}
.svc-row:hover{background:var(--g1);}
.svc-row .num{font-family:var(--f-mono);font-size:13px;color:var(--blue);padding-top:8px;}
.svc-row h3{font-size:clamp(24px,3vw,36px);font-weight:300;}
.svc-row .body p{color:var(--muted);margin:0 0 16px;}
.svc-row .tags{display:flex;flex-wrap:wrap;gap:8px;}
.svc-row .tags span{font-family:var(--f-mono);font-size:11px;letter-spacing:.04em;color:var(--blue);border:1px solid var(--g3);border-radius:100px;padding:5px 12px;text-transform:uppercase;}

/* ============================================================
   CLIENTES
   ============================================================ */
.clients{display:flex;flex-wrap:wrap;gap:14px 56px;align-items:center;}
.client{font-family:var(--f-display);font-weight:300;font-size:clamp(20px,2.4vw,30px);color:var(--g4);transition:color .4s;letter-spacing:.01em;}
.client:hover{color:var(--navy);}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(36px,6vw,90px);align-items:start;}
.contact-list{display:flex;flex-direction:column;}
.contact-item{display:grid;grid-template-columns:140px 1fr;gap:20px;padding:26px 0;border-bottom:1px solid var(--g3);align-items:baseline;}
.contact-item:first-child{border-top:1px solid var(--g3);}
.contact-item .k{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);}
.contact-item .v{font-size:clamp(17px,1.8vw,21px);color:var(--navy);font-family:var(--f-display);font-weight:300;}
.contact-item .v a{transition:color .3s;}
.contact-item .v a:hover{color:var(--blue);}
.contact-cta{display:flex;flex-direction:column;gap:14px;margin-top:34px;}
.wa{display:inline-flex;align-items:center;gap:12px;background:#25D366;color:#fff !important;padding:16px 26px;border-radius:3px;font-family:var(--f-display);letter-spacing:.03em;transition:filter .3s,transform .3s;}
.wa:hover{filter:brightness(.94);transform:translateY(-1px);}
.map-wrap{border-radius:3px;overflow:hidden;border:1px solid var(--g3);aspect-ratio:4/5;background:var(--g2);}
.map-wrap iframe{width:100%;height:100%;border:0;display:block;filter:grayscale(.3) contrast(1.02);}

/* ============================================================
   REVEAL animations
   ============================================================ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease);}
.reveal.in{opacity:1;transform:none;}
.reveal.d1{transition-delay:.08s;}
.reveal.d2{transition-delay:.16s;}
.reveal.d3{transition-delay:.24s;}
.reveal.d4{transition-delay:.32s;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .hero-scroll .ln::after{animation:none;}
  html{scroll-behavior:auto;}
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  .statement{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:900px){
  .burger{display:flex;}
  .nav-links{
    position:fixed;inset:0 0 0 auto;width:min(80vw,360px);background:#fff;flex-direction:column;
    align-items:flex-start;justify-content:center;gap:30px;padding:0 40px;transform:translateX(100%);
    transition:transform .5s var(--ease);box-shadow:-20px 0 60px rgba(0,20,50,.12);
  }
  .nav-links.open{transform:none;}
  .nav-links a{color:var(--text) !important;font-family:var(--f-display);font-size:24px;}
  .nav .lang{position:fixed;bottom:42px;right:40px;color:var(--navy) !important;z-index:65;}
  .mv,.contact,.values{grid-template-columns:1fr;}
  .values{grid-template-columns:1fr 1fr;}
  .hero-inset{display:none;}
  .card,.card.wide,.card.half{grid-column:span 6;}
  .svc-row{grid-template-columns:1fr;gap:14px;}
  .svc-row .num{padding-top:0;}
}
@media (max-width:560px){
  body{font-size:16px;}
  .idx-row{grid-template-columns:50px 1fr 40px;}
  .idx-row .dsc{display:none;}
  .stats{grid-template-columns:1fr;gap:0;}
  .stat{padding:18px 0;border-bottom:1px solid var(--g3);}
  .values{grid-template-columns:1fr;}
  .card,.card.wide,.card.half{grid-column:span 12;}
  .footer-top{grid-template-columns:1fr;}
  .contact-item{grid-template-columns:1fr;gap:6px;}
  .lb-panel{width:100vw;}
}