/* =========================================================
   RYF CONSTRUCCIONES — sistema visual "minimal arquitectónico"
   Display: Jost (mayúsculas, finas, tracking amplio)
   Texto:   Manrope
   Mono:    monocromático + acento bronce de marca
   ========================================================= */

:root{
  --paper:    #F6F5F2;   /* fondo base, hueso frío */
  --paper-2:  #FFFFFF;   /* superficie clara */
  --paper-3:  #ECEAE4;   /* superficie densa */
  --ink:      #161412;   /* texto / negro de marca (= cuadro del logo) */
  --ink-2:    #4A453E;
  --muted:    #968F84;
  --bronze:   #B08D57;   /* acento de marca */
  --bronze-d: #8C6E40;
  --line:     rgba(22,20,18,.13);
  --line-2:   rgba(22,20,18,.07);
  --line-inv: rgba(246,245,242,.16);

  --disp: "Jost", ui-sans-serif, system-ui, sans-serif;
  --body: "Manrope", ui-sans-serif, system-ui, sans-serif;

  --maxw: 1340px;
  --gut:  clamp(22px, 5.5vw, 96px);
  --ease: cubic-bezier(.16,1,.3,1);
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--body); font-size:17px; font-weight:400; line-height:1.68;
  letter-spacing:-.005em; -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility; overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
::selection{ background:var(--ink); color:var(--paper); }

.wrap{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:var(--gut); }
.section{ padding-block:clamp(80px,12vh,160px); }
.section--tight{ padding-block:clamp(54px,8vh,96px); }

/* ---------- Tipografía ---------- */
h1,h2,h3,h4{ font-family:var(--disp); font-weight:300; margin:0; line-height:1; }
.display{
  font-family:var(--disp); font-weight:200; text-transform:uppercase;
  letter-spacing:.02em; line-height:.98;
}
.h-xl{ font-size:clamp(2.6rem,8.5vw,8.2rem); }
.h-lg{ font-size:clamp(2.1rem,5.4vw,4.6rem); }
.h-md{ font-size:clamp(1.5rem,3vw,2.6rem); font-weight:300; }
.lead{ font-size:clamp(1.05rem,1.5vw,1.32rem); line-height:1.55; color:var(--ink-2); max-width:58ch; }
.muted{ color:var(--muted); }

.kicker{
  font-family:var(--disp); text-transform:uppercase; font-weight:400;
  font-size:12px; letter-spacing:.34em; color:var(--bronze);
  display:inline-flex; align-items:center; gap:14px;
}
.kicker::before{ content:""; width:34px; height:1px; background:var(--bronze); display:inline-block; }
.kicker--plain::before{ display:none; }

/* ---------- Botones ---------- */
.btn{
  --c:var(--ink);
  display:inline-flex; align-items:center; gap:12px;
  font-family:var(--disp); text-transform:uppercase; letter-spacing:.16em;
  font-size:12.5px; font-weight:500; color:var(--c);
  padding:16px 26px; border:1px solid var(--c); border-radius:0;
  background:transparent; cursor:pointer; position:relative; overflow:hidden;
  transition:color .5s var(--ease);
}
.btn span{ position:relative; z-index:1; }
.btn::after{
  content:""; position:absolute; inset:0; background:var(--c);
  transform:translateY(101%); transition:transform .5s var(--ease); z-index:0;
}
.btn:hover{ color:var(--paper); }
.btn:hover::after{ transform:none; }
.btn--solid{ background:var(--ink); color:var(--paper); }
.btn--solid::after{ background:var(--bronze); }
.btn--solid:hover{ color:var(--paper); }
.btn--inv{ --c:var(--paper); }
.btn--inv:hover{ color:var(--ink); }
.btn--inv::after{ background:var(--paper); }

/* ---------- Header ---------- */
.hdr{
  position:fixed; inset:0 0 auto 0; z-index:80;
  padding-block:22px; transition:padding .5s var(--ease), background .5s, border-color .5s;
  border-bottom:1px solid transparent;
}
.hdr.is-scrolled{
  padding-block:13px; background:rgba(246,245,242,.86);
  backdrop-filter:blur(14px); border-bottom-color:var(--line);
}
.hdr.on-dark:not(.is-scrolled){ --hc:var(--paper); }
.hdr__in{ display:flex; align-items:center; justify-content:space-between; gap:28px; }
.brand{ display:inline-flex; align-items:center; gap:13px; color:var(--hc,var(--ink)); }
.brand svg{ width:36px; height:36px; flex:none; border-radius:9px; }
.brand__wm{ font-family:var(--disp); font-weight:500; text-transform:uppercase; letter-spacing:.22em; font-size:19px; line-height:1; }
.brand__sub{ display:block; font-family:var(--body); font-weight:500; text-transform:none; letter-spacing:.02em; font-size:10.5px; color:var(--muted); margin-top:3px; }
.nav{ display:flex; align-items:center; gap:34px; }
.nav a{
  font-family:var(--disp); text-transform:uppercase; letter-spacing:.16em;
  font-size:12px; font-weight:500; color:var(--hc,var(--ink)); opacity:.78;
  position:relative; padding-block:4px; transition:opacity .3s;
}
.nav a::after{ content:""; position:absolute; left:0; bottom:0; width:100%; height:1px; background:currentColor; transform:scaleX(0); transform-origin:left; transition:transform .4s var(--ease); }
.nav a:hover{ opacity:1; } .nav a:hover::after, .nav a[aria-current="page"]::after{ transform:none; }
.nav a[aria-current="page"]{ opacity:1; color:var(--bronze); }
.hdr__cta{ margin-left:6px; }
.burger{ display:none; width:42px; height:42px; border:1px solid var(--hc,var(--line)); background:transparent; cursor:pointer; padding:0; }
.burger span{ display:block; width:18px; height:1.5px; background:var(--hc,var(--ink)); margin:4px auto; transition:.35s var(--ease); }
.burger[aria-expanded="true"] span:nth-child(1){ transform:translateY(5.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.burger[aria-expanded="true"] span:nth-child(3){ transform:translateY(-5.5px) rotate(-45deg); }

.mobile{
  position:fixed; inset:0; z-index:75; background:var(--ink); color:var(--paper);
  display:flex; flex-direction:column; justify-content:center; gap:6px; padding:var(--gut);
  transform:translateY(-101%); transition:transform .6s var(--ease); }
.mobile.open{ transform:none; }
.mobile a{ font-family:var(--disp); text-transform:uppercase; letter-spacing:.05em; font-weight:200; font-size:clamp(2rem,9vw,3.4rem); padding-block:6px; color:var(--paper); opacity:.55; transition:opacity .3s, padding-left .4s var(--ease); }
.mobile a:hover{ opacity:1; padding-left:14px; color:var(--bronze); }

@media (max-width:920px){
  .nav, .hdr__cta{ display:none; }
  .burger{ display:block; }
}

/* ---------- Hero ---------- */
.hero{ position:relative; min-height:100svh; display:flex; align-items:flex-end; overflow:hidden; }
.hero__bg{ position:absolute; inset:0; z-index:0; }
.hero__bg img{ width:100%; height:100%; object-fit:cover; filter:grayscale(1) contrast(1.04) brightness(.96); transform:scale(1.06); animation:heroZoom 14s var(--ease) forwards; }
@keyframes heroZoom{ to{ transform:scale(1); } }
.hero__bg::after{ content:""; position:absolute; inset:0; background:linear-gradient(180deg,rgba(22,20,18,.42) 0%,rgba(22,20,18,.12) 38%,rgba(22,20,18,.62) 100%); }
.hero__in{ position:relative; z-index:2; width:100%; padding-bottom:clamp(56px,10vh,118px); padding-top:140px; color:var(--paper); }
.hero .kicker{ color:#E7D8BC; }
.hero .kicker::before{ background:#E7D8BC; }
.hero__title{ margin:26px 0 0; max-width:16ch; text-shadow:0 2px 40px rgba(0,0,0,.25); }
.hero__sub{ margin:30px 0 38px; max-width:46ch; color:rgba(246,245,242,.88); font-size:clamp(1.05rem,1.5vw,1.3rem); line-height:1.55; }
.hero__actions{ display:flex; gap:14px; flex-wrap:wrap; }
.hero__scroll{ position:absolute; right:var(--gut); bottom:clamp(28px,6vh,52px); z-index:2; color:rgba(246,245,242,.7); font-family:var(--disp); text-transform:uppercase; letter-spacing:.22em; font-size:11px; writing-mode:vertical-rl; display:inline-flex; align-items:center; gap:16px; }
.hero__scroll::after{ content:""; width:1px; height:54px; background:linear-gradient(rgba(246,245,242,.7),transparent); animation:scrollPulse 2.4s var(--ease) infinite; }
@keyframes scrollPulse{ 0%,100%{ opacity:.3; } 50%{ opacity:.9; } }
@media (max-width:720px){ .hero__scroll{ display:none; } }

/* ---------- Marquee fino de capacidades ---------- */
.ticker{ border-block:1px solid var(--line); background:var(--paper-2); overflow:hidden; }
.ticker__track{ display:flex; gap:0; width:max-content; animation:marq 38s linear infinite; }
.ticker:hover .ticker__track{ animation-play-state:paused; }
.ticker__i{ display:inline-flex; align-items:center; gap:22px; padding:22px 38px; font-family:var(--disp); text-transform:uppercase; letter-spacing:.18em; font-size:13px; color:var(--ink-2); white-space:nowrap; }
.ticker__i::after{ content:"／"; color:var(--bronze); }
@keyframes marq{ to{ transform:translateX(-50%); } }
@media (prefers-reduced-motion:reduce){ .ticker__track{ animation:none; } .hero__bg img{ animation:none; transform:none; } }

/* ---------- Intro / split ---------- */
.split{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(40px,7vw,110px); align-items:center; }
.split__media{ position:relative; }
.split__media img{ width:100%; aspect-ratio:4/5; object-fit:cover; filter:grayscale(1) contrast(1.03); }
.split__tag{ position:absolute; left:-1px; bottom:34px; background:var(--ink); color:var(--paper); padding:20px 24px; max-width:230px; }
.split__tag .n{ font-family:var(--disp); font-weight:200; font-size:46px; line-height:1; color:var(--bronze); }
.split__tag .t{ font-size:12.5px; line-height:1.35; margin-top:8px; color:rgba(246,245,242,.82); }
.flow > * + *{ margin-top:20px; }
@media (max-width:860px){ .split{ grid-template-columns:1fr; } .split__media{ order:-1; max-width:480px; } }

/* ---------- Servicios (lista numerada editorial) ---------- */
.svc-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:30px; flex-wrap:wrap; margin-bottom:54px; }
.svc{ border-top:1px solid var(--line); }
.svc__row{ display:grid; grid-template-columns:64px 1fr 1.1fr auto; gap:clamp(18px,3vw,46px); align-items:start; padding:34px 0; border-bottom:1px solid var(--line); transition:padding-left .5s var(--ease); }
.svc__row:hover{ padding-left:16px; }
.svc__n{ font-family:var(--disp); font-weight:300; font-size:15px; color:var(--bronze); padding-top:8px; }
.svc__t{ font-family:var(--disp); font-weight:300; text-transform:uppercase; letter-spacing:.01em; font-size:clamp(1.4rem,2.7vw,2.15rem); line-height:1.04; transition:color .35s; }
.svc__row:hover .svc__t{ color:var(--bronze); }
.svc__d{ color:var(--ink-2); font-size:15.5px; line-height:1.6; }
.svc__ar{ color:var(--bronze); opacity:0; transform:translateX(-10px); transition:.4s var(--ease); padding-top:8px; }
.svc__row:hover .svc__ar{ opacity:1; transform:none; }
@media (max-width:820px){
  .svc__row{ grid-template-columns:40px 1fr; gap:8px 18px; }
  .svc__d{ grid-column:1/-1; }
  .svc__ar{ display:none; }
}

/* ---------- Banda de datos (oscura) ---------- */
.dark{ background:var(--ink); color:var(--paper); }
.dark .kicker{ color:var(--bronze); }
.stats{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line-inv); border:1px solid var(--line-inv); margin-top:54px; }
.stat{ background:var(--ink); padding:clamp(30px,4vw,52px) clamp(24px,3vw,40px); }
.stat__n{ font-family:var(--disp); font-weight:200; font-size:clamp(2.6rem,5vw,4.4rem); line-height:1; color:var(--paper); }
.stat__n em{ color:var(--bronze); font-style:normal; }
.stat__t{ margin-top:14px; color:rgba(246,245,242,.66); font-size:14px; }
@media (max-width:720px){ .stats{ grid-template-columns:1fr; } }

/* ---------- Obras (galería) ---------- */
.obras{ display:grid; grid-template-columns:repeat(12,1fr); gap:clamp(16px,2.2vw,30px); }
.obra{ position:relative; overflow:hidden; display:block; }
.obra .imgwrap{ overflow:hidden; }
.obra img{ width:100%; height:100%; object-fit:cover; filter:grayscale(1) contrast(1.04); transition:filter .7s var(--ease), transform 1s var(--ease); }
.obra:hover img{ filter:grayscale(0) contrast(1); transform:scale(1.05); }
.obra__meta{ display:flex; justify-content:space-between; align-items:baseline; gap:14px; padding-top:16px; }
.obra__t{ font-family:var(--disp); font-weight:300; text-transform:uppercase; letter-spacing:.03em; font-size:clamp(1.05rem,1.7vw,1.45rem); transition:color .3s; }
.obra:hover .obra__t{ color:var(--bronze); }
.obra__loc{ font-size:13px; color:var(--muted); white-space:nowrap; }
.obra--a{ grid-column:span 7; } .obra--a .imgwrap{ aspect-ratio:16/11; }
.obra--b{ grid-column:span 5; } .obra--b .imgwrap{ aspect-ratio:4/3.5; }
.obra--c{ grid-column:span 5; } .obra--c .imgwrap{ aspect-ratio:4/3.5; }
.obra--d{ grid-column:span 7; } .obra--d .imgwrap{ aspect-ratio:16/11; }
.obra--half{ grid-column:span 6; } .obra--half .imgwrap{ aspect-ratio:3/2; }
@media (max-width:760px){ .obra{ grid-column:1/-1 !important; } .obra .imgwrap{ aspect-ratio:3/2 !important; } }

/* ---------- Proceso (pasos) ---------- */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); margin-top:50px; }
.step{ background:var(--paper); padding:clamp(26px,3vw,40px); }
.step__n{ font-family:var(--disp); font-weight:300; font-size:13px; letter-spacing:.2em; color:var(--bronze); }
.step__t{ font-family:var(--disp); font-weight:300; text-transform:uppercase; font-size:1.25rem; margin:18px 0 12px; }
.step__d{ font-size:14.5px; color:var(--ink-2); line-height:1.6; }
@media (max-width:860px){ .steps{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .steps{ grid-template-columns:1fr; } }

/* ---------- Equipo / roles ---------- */
.roles{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(20px,3vw,38px); margin-top:50px; }
.role{ border-top:1px solid var(--ink); padding-top:22px; }
.role__t{ font-family:var(--disp); font-weight:300; text-transform:uppercase; font-size:1.4rem; }
.role__d{ color:var(--ink-2); font-size:15px; margin-top:12px; line-height:1.6; }
@media (max-width:760px){ .roles{ grid-template-columns:1fr; } }

/* ---------- CTA ---------- */
.cta{ text-align:center; }
.cta .h-lg{ max-width:18ch; margin-inline:auto; }
.cta .lead{ margin:24px auto 36px; text-align:center; }
.cta__actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ---------- Formulario contacto ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
.field{ display:flex; flex-direction:column; gap:9px; }
.field.full{ grid-column:1/-1; }
.field label{ font-family:var(--disp); text-transform:uppercase; letter-spacing:.16em; font-size:11px; color:var(--muted); }
.field input, .field textarea{
  font-family:var(--body); font-size:16px; color:var(--ink); background:var(--paper-2);
  border:1px solid var(--line); border-radius:0; padding:15px 16px; transition:border-color .3s;
}
.field input:focus, .field textarea:focus{ outline:none; border-color:var(--bronze); }
.field textarea{ resize:vertical; min-height:130px; }
@media (max-width:680px){ .form-grid{ grid-template-columns:1fr; } }
.thanks{ display:none; text-align:center; padding:40px 0; }
.thanks.show{ display:block; }
.thanks .ico{ width:62px; height:62px; border:1px solid var(--bronze); border-radius:50%; display:grid; place-items:center; margin:0 auto 22px; color:var(--bronze); }

.contact-info{ border-top:1px solid var(--ink); }
.ci-row{ display:grid; grid-template-columns:170px 1fr; gap:18px; padding:22px 0; border-bottom:1px solid var(--line); }
.ci-row dt{ font-family:var(--disp); text-transform:uppercase; letter-spacing:.16em; font-size:11px; color:var(--muted); }
.ci-row dd{ margin:0; font-size:16.5px; }
.ci-row a:hover{ color:var(--bronze); }
@media (max-width:560px){ .ci-row{ grid-template-columns:1fr; gap:5px; } }

/* ---------- Footer ---------- */
.ft{ background:var(--ink); color:var(--paper); }
.ft__big{ padding-block:clamp(60px,9vh,120px); border-bottom:1px solid var(--line-inv); }
.ft__big .display{ font-size:clamp(2.4rem,7vw,6.4rem); }
.ft__cols{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px; padding-block:54px; }
.ft__cols h4{ font-family:var(--disp); text-transform:uppercase; letter-spacing:.2em; font-size:11px; color:var(--bronze); font-weight:500; margin-bottom:18px; }
.ft__cols a, .ft__cols span{ display:block; color:rgba(246,245,242,.74); font-size:14.5px; padding-block:5px; }
.ft__cols a:hover{ color:var(--paper); }
.ft .brand{ color:var(--paper); margin-bottom:16px; }
.ft__bottom{ display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; padding-block:26px; border-top:1px solid var(--line-inv); font-family:var(--disp); text-transform:uppercase; letter-spacing:.14em; font-size:11px; color:rgba(246,245,242,.5); }
@media (max-width:860px){ .ft__cols{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .ft__cols{ grid-template-columns:1fr; } }

/* ---------- Reveal ---------- */
.reveal{ opacity:0; transform:translateY(26px); filter:blur(6px); transition:opacity 1s var(--ease), transform 1s var(--ease), filter 1s var(--ease); }
.reveal.in{ opacity:1; transform:none; filter:none; }
.reveal[data-d="1"]{ transition-delay:.08s; } .reveal[data-d="2"]{ transition-delay:.16s; } .reveal[data-d="3"]{ transition-delay:.24s; } .reveal[data-d="4"]{ transition-delay:.32s; }
@media (prefers-reduced-motion:reduce){ .reveal{ opacity:1; transform:none; filter:none; } }

/* ---------- Page hero (interiores) ---------- */
.phero{ padding-top:clamp(150px,20vh,220px); padding-bottom:clamp(40px,6vh,72px); border-bottom:1px solid var(--line); }
.phero__title{ margin-top:20px; max-width:16ch; }
.phero__sub{ margin-top:24px; }