/* ============================================================
   AW · Gestión Integral de Proyectos y Obras
   Sistema de diseño: documento técnico de obra
   Edita los tokens en :root para cambiar toda la identidad
   ============================================================ */
:root{
  --ink:#103E53;
  --ink-2:#16485F;
  --paper:#F6F6F6;
  --paper-2:#E8EEF1;
  --amber:#B9E0ED;
  --amber-deep:#226E89;
  --blue:#2F8AA5;
  --blue-soft:#8FC4D6;
  --line:rgba(16,62,83,.14);
  --line-light:rgba(246,246,246,.16);
  --max:1180px;
  --font-display:"Big Shoulders Display",sans-serif;
  --font-body:"IBM Plex Sans",sans-serif;
  --font-mono:"IBM Plex Mono",monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
section[id]{scroll-margin-top:80px}
body{
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--amber);color:var(--ink)}

/* ===== Barra de progreso de scroll ===== */
.progress{
  position:fixed;top:0;left:0;height:4px;width:0%;
  background:linear-gradient(90deg,var(--amber),var(--amber-deep));
  z-index:1001;transition:width .08s linear;
}

/* ===== Header ===== */
header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  padding:0 clamp(20px,4vw,48px);
  transition:background .35s ease,box-shadow .35s ease;
}
header::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:rgba(16,62,83,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  opacity:0;transition:opacity .35s ease;
}
header.scrolled::before{opacity:1}
header.scrolled{box-shadow:0 1px 0 var(--line-light)}
.nav{
  max-width:var(--max);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;height:76px;
}
.logo{display:flex;align-items:baseline;gap:10px;text-decoration:none;color:var(--paper)}
.logo-mark{
  font-family:var(--font-display);font-weight:800;font-size:30px;letter-spacing:.02em;
  color:var(--amber);line-height:1;
}
.logo-text{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--paper);opacity:.85;
}
nav ul{display:flex;gap:32px;list-style:none;align-items:center}
nav a{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--paper);text-decoration:none;opacity:.75;transition:opacity .25s,color .25s;
  padding:6px 0;position:relative;
}
nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--amber);
  transition:width .3s ease;
}
nav a:hover,nav a.active{opacity:1;color:var(--amber)}
nav a:hover::after,nav a.active::after{width:100%}
.nav-cta{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink)!important;background:var(--amber);padding:11px 22px!important;opacity:1!important;
  transition:background .25s,transform .25s;
}
.nav-cta::after{display:none}
.nav-cta:hover{background:var(--paper);transform:translateY(-2px)}
.burger{display:none;background:none;border:0;cursor:pointer;width:32px;height:24px;position:relative;z-index:1002}
.burger span{position:absolute;left:0;width:100%;height:2px;background:var(--paper);transition:.3s}
.burger span:nth-child(1){top:2px}.burger span:nth-child(2){top:11px}.burger span:nth-child(3){top:20px}
.burger.open span:nth-child(1){top:11px;transform:rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){top:11px;transform:rotate(-45deg)}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100svh;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(47,138,165,.22), transparent 60%),
    linear-gradient(180deg,#0B2C3C 0%, var(--ink) 55%, #16485F 100%);
  color:var(--paper);
  display:flex;align-items:center;overflow:hidden;
}
.hero-grid{
  position:absolute;inset:-10% 0;opacity:.07;pointer-events:none;
  background-image:
    linear-gradient(rgba(143,196,214,.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143,196,214,.7) 1px, transparent 1px);
  background-size:64px 64px;
  will-change:transform;
}
.hero-inner{
  position:relative;max-width:var(--max);margin:0 auto;width:100%;
  padding:140px clamp(20px,4vw,48px) 110px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--amber);margin-bottom:26px;
}
.hero-eyebrow::before{content:"";width:34px;height:1px;background:var(--amber)}
.hero h1{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(54px,8.2vw,108px);line-height:.95;letter-spacing:.005em;
  text-transform:uppercase;
}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .line>span{display:block;transform:translateY(110%);animation:riseUp .9s cubic-bezier(.22,.8,.3,1) forwards}
.hero h1 .line:nth-child(2)>span{animation-delay:.12s}
.hero h1 .line:nth-child(3)>span{animation-delay:.24s}
@keyframes riseUp{to{transform:none}}
.hero h1 .accent{color:var(--amber)}
.hero h1 .outline{color:transparent;-webkit-text-stroke:1.5px rgba(246,246,246,.65);display:inline-block;transform:translateY(-0.022em)}
.hero p{
  margin-top:28px;max-width:520px;font-size:17px;font-weight:300;color:rgba(246,246,246,.78);
  opacity:0;animation:fadeUp .9s ease .5s forwards;
}
.hero-actions{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap;opacity:0;animation:fadeUp .9s ease .7s forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.btn{
  display:inline-flex;align-items:center;gap:12px;text-decoration:none;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.12em;text-transform:uppercase;
  padding:16px 30px;transition:transform .25s,background .25s,color .25s,border-color .25s;
}
.btn-solid{background:var(--amber);color:var(--ink)}
.btn-solid:hover{background:var(--paper);transform:translateY(-3px)}
.btn-ghost{border:1px solid rgba(246,246,246,.35);color:var(--paper)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber);transform:translateY(-3px)}
.btn .arrow{transition:transform .25s}
.btn:hover .arrow{transform:translateX(5px)}

/* Plano que se dibuja solo */
.hero-draw{position:relative;will-change:transform}
.hero-draw svg{width:100%;height:auto;display:block}
.draw path,.draw line,.draw rect,.draw polyline,.draw circle{
  fill:none;stroke:var(--blue-soft);stroke-width:1.4;
  stroke-dasharray:1200;stroke-dashoffset:1200;
  animation:draw 2.6s ease forwards;
}
.draw .amber{stroke:var(--amber)}
.draw .thin{stroke-width:.8;opacity:.6}
@keyframes draw{to{stroke-dashoffset:0}}
.cota{
  font-family:var(--font-mono);font-size:9px;fill:rgba(246,246,246,.55);letter-spacing:.08em;
  opacity:0;animation:fadeIn .8s ease 2.2s forwards;
}
.hook{animation:sway 5s ease-in-out 2.6s infinite;transform-origin:285px 60px}
@keyframes sway{0%,100%{transform:rotate(0deg)}50%{transform:rotate(1.6deg)}}
@keyframes fadeIn{to{opacity:1}}
.hero-scroll{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.3em;text-transform:uppercase;
  color:rgba(246,246,246,.5);display:flex;flex-direction:column;align-items:center;gap:10px;
}
.hero-scroll::after{
  content:"";width:1px;height:42px;background:linear-gradient(var(--amber),transparent);
  animation:dropline 2s ease infinite;
}
@keyframes dropline{
  0%{transform:scaleY(0);transform-origin:top}
  50%{transform:scaleY(1);transform-origin:top}
  51%{transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}

/* ===== Cinta de obra (marquee) ===== */
.tape{
  background:var(--amber);color:var(--ink);overflow:hidden;position:relative;
  border-top:6px solid var(--ink);border-bottom:6px solid var(--ink);
}
.tape::before,.tape::after{
  content:"";position:absolute;left:0;right:0;height:6px;
  background:repeating-linear-gradient(-45deg,var(--ink) 0 14px,var(--amber) 14px 28px);
}
.tape::before{top:-6px}
.tape::after{bottom:-6px}
.tape-track{
  display:flex;width:max-content;padding:16px 0;
  animation:tape 28s linear infinite;
}
.tape:hover .tape-track{animation-play-state:paused}
.tape-track span{
  font-family:var(--font-display);font-weight:700;font-size:22px;letter-spacing:.06em;
  text-transform:uppercase;white-space:nowrap;padding:0 28px;position:relative;
}
.tape-track span::after{
  content:"◆";position:absolute;right:-7px;top:50%;transform:translateY(-50%);font-size:10px;
}
@keyframes tape{to{transform:translateX(-50%)}}

/* ===== Secciones genéricas ===== */
section{position:relative}
.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.section-head{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:end;margin-bottom:64px}
.kicker{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--amber-deep);white-space:nowrap;padding-bottom:10px;
}
.section-head h2{
  font-family:var(--font-display);font-weight:700;text-transform:uppercase;
  font-size:clamp(36px,5vw,62px);line-height:1;letter-spacing:.01em;
}
.dark .kicker{color:var(--amber)}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s cubic-bezier(.22,.8,.3,1),transform .8s cubic-bezier(.22,.8,.3,1)}
.reveal.visible{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.12s}
.reveal[data-delay="2"]{transition-delay:.24s}
.reveal[data-delay="3"]{transition-delay:.36s}
.reveal[data-delay="4"]{transition-delay:.48s}
.reveal[data-delay="5"]{transition-delay:.6s}

/* ===== Servicios ===== */
#servicios{padding:130px 0 110px;background:var(--paper)}
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.service{
  background:var(--paper);padding:42px 34px 46px;position:relative;overflow:hidden;
  transition:background .35s ease;
}
.service::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--amber-deep);
  transform:scaleX(0);transform-origin:left;transition:transform .4s ease;
}
.service:hover{background:#fff}
.service:hover::before{transform:scaleX(1)}
.service-id{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--blue);
  display:block;margin-bottom:22px;
}
.service h3{
  font-family:var(--font-display);font-weight:700;text-transform:uppercase;
  font-size:26px;line-height:1.05;margin-bottom:16px;letter-spacing:.01em;
}
.service p{font-size:14.5px;color:rgba(16,62,83,.72);font-weight:300}
.service .glyph{
  position:absolute;right:-14px;bottom:-18px;width:110px;height:110px;opacity:.07;
  transition:opacity .35s ease,transform .35s ease;
}
.service:hover .glyph{opacity:.16;transform:translateY(-6px)}

/* ===== Proceso (fases) ===== */
#proceso{padding:130px 0 140px;background:var(--ink);color:var(--paper)}
#proceso .section-head h2{color:var(--paper)}
#proceso .section-head{margin-bottom:30px}
.process-meter{
  display:flex;align-items:baseline;gap:16px;margin:0 0 56px;
  font-family:var(--font-mono);letter-spacing:.2em;text-transform:uppercase;
}
.process-meter .label{font-size:11px;color:rgba(246,246,246,.5)}
.process-meter .pct{
  font-family:var(--font-display);font-weight:800;font-size:54px;line-height:1;
  letter-spacing:.02em;color:var(--amber);min-width:120px;font-variant-numeric:tabular-nums;
}
.process-meter .bar{
  flex:1;height:6px;background:rgba(246,246,246,.1);position:relative;overflow:hidden;
}
.process-meter .bar i{
  position:absolute;inset:0;width:0%;
  background:repeating-linear-gradient(-45deg,var(--amber) 0 10px,var(--amber-deep) 10px 20px);
  transition:width .1s linear;
}
.process{position:relative;margin-top:10px}
.process-line{position:absolute;left:23px;top:0;bottom:0;width:2px;background:rgba(246,246,246,.12)}
.process-line .fill{
  position:absolute;top:0;left:0;width:100%;height:0%;
  background:linear-gradient(var(--amber),var(--amber-deep));
  transition:height .1s linear;
}
.phase{position:relative;padding:0 0 64px 84px}
.phase:last-child{padding-bottom:0}
.phase-dot{
  position:absolute;left:12px;top:4px;width:24px;height:24px;border-radius:50%;
  border:2px solid rgba(246,246,246,.25);background:var(--ink);
  transition:border-color .4s,background .4s,box-shadow .4s;
  display:flex;align-items:center;justify-content:center;
}
.phase-dot::after{
  content:"✓";font-size:13px;font-weight:700;color:var(--ink);
  opacity:0;transform:scale(.4);transition:opacity .3s,transform .3s cubic-bezier(.34,1.56,.64,1);
}
.phase.active .phase-dot{
  border-color:var(--amber);background:var(--amber);
  box-shadow:0 0 0 6px rgba(185,224,237,.2);
}
.phase.done .phase-dot::after{opacity:1;transform:scale(1)}
.phase-meta{
  display:flex;gap:18px;align-items:baseline;margin-bottom:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;
}
.phase-num{color:var(--blue-soft)}
.phase-dur{color:rgba(246,246,246,.35);font-size:10.5px}
.phase h3{
  font-family:var(--font-display);font-weight:700;font-size:32px;text-transform:uppercase;
  letter-spacing:.01em;margin-bottom:10px;transition:color .4s;
}
.phase.active h3{color:var(--amber)}
.phase p{max-width:620px;font-weight:300;font-size:15.5px;color:rgba(246,246,246,.7)}

/* ===== Cifras ===== */
#cifras{padding:110px 0;background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat{text-align:left;border-left:2px solid var(--amber-deep);padding-left:24px}
.stat .num{
  font-family:var(--font-display);font-weight:800;font-size:clamp(48px,5.5vw,76px);
  line-height:1;letter-spacing:.01em;font-variant-numeric:tabular-nums;
}
.stat .num small{font-size:.55em;color:var(--amber-deep)}
.stat .label{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(16,62,83,.62);margin-top:12px;display:block;
}

/* ===== Proyectos ===== */
#proyectos{padding:130px 0;background:var(--paper)}
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.project{
  background:var(--ink);color:var(--paper);overflow:hidden;position:relative;
  transition:transform .4s cubic-bezier(.22,.8,.3,1),box-shadow .4s;
  transform-style:preserve-3d;will-change:transform;
}
.project:hover{box-shadow:0 30px 60px -20px rgba(16,62,83,.45)}
.project-visual{position:relative;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(160deg,#16485F,#0B2C3C)}
.project-visual svg{position:absolute;inset:0;width:100%;height:100%;transition:transform .6s cubic-bezier(.22,.8,.3,1)}
.project:hover .project-visual svg{transform:scale(1.06)}
.bp line,.bp rect,.bp path,.bp polyline,.bp circle{fill:none;stroke:var(--blue-soft);stroke-width:1.2;opacity:.85}
.bp .a{stroke:var(--amber)}
.bp .f{fill:rgba(143,196,214,.08);stroke:none}
.bp .fa{fill:rgba(185,224,237,.14);stroke:none}
.project-info{padding:26px 26px 30px;border-top:1px solid var(--line-light)}
.project-tag{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--amber);display:block;margin-bottom:10px;
}
.project-info h3{font-family:var(--font-display);font-weight:700;font-size:24px;text-transform:uppercase;letter-spacing:.01em}
.project-info p{font-size:13.5px;font-weight:300;color:rgba(246,246,246,.65);margin-top:8px}

/* ===== Testimonios ===== */
#testimonios{padding:130px 0;background:var(--paper-2);border-top:1px solid var(--line)}
.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.testimonial{
  background:var(--paper);border:1px solid var(--line);padding:38px 32px;position:relative;
  transition:transform .35s,box-shadow .35s;
}
.testimonial:hover{transform:translateY(-6px);box-shadow:0 20px 40px -18px rgba(16,62,83,.25)}
.testimonial::before{
  content:"“";font-family:var(--font-display);font-weight:800;font-size:90px;line-height:.6;
  color:var(--amber-deep);display:block;margin-bottom:18px;
}
.testimonial p{font-size:15px;font-weight:300;color:rgba(16,62,83,.8)}
.testimonial .who{
  margin-top:24px;padding-top:18px;border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
}
.testimonial .who b{display:block;color:var(--ink);margin-bottom:2px}
.testimonial .who span{color:rgba(16,62,83,.5)}

/* ===== FAQ ===== */
#faq{padding:130px 0;background:var(--paper)}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;
  padding:26px 4px;font-family:var(--font-display);font-weight:600;font-size:24px;
  text-transform:uppercase;letter-spacing:.01em;transition:color .25s,padding-left .25s;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:hover{color:var(--amber-deep);padding-left:12px}
.faq-list summary .plus{
  flex-shrink:0;width:30px;height:30px;border:1px solid var(--line);position:relative;
  transition:background .3s,border-color .3s;
}
.faq-list summary .plus::before,.faq-list summary .plus::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--ink);transition:transform .3s,background .3s;
}
.faq-list summary .plus::before{width:12px;height:1.6px;transform:translate(-50%,-50%)}
.faq-list summary .plus::after{width:1.6px;height:12px;transform:translate(-50%,-50%)}
.faq-list details[open] summary{color:var(--amber-deep)}
.faq-list details[open] .plus{background:var(--amber-deep);border-color:var(--amber-deep)}
.faq-list details[open] .plus::after{transform:translate(-50%,-50%) rotate(90deg) scaleY(0)}
.faq-list .faq-body{padding:0 4px 30px;max-width:760px;font-weight:300;color:rgba(16,62,83,.75)}

/* ===== Banda compromiso ===== */
#compromiso{padding:150px 0;background:var(--ink-2);color:var(--paper);position:relative;overflow:hidden}
#compromiso .hero-grid{opacity:.05}
.quote{max-width:900px;margin:0 auto;text-align:center;position:relative}
.quote blockquote{
  font-family:var(--font-display);font-weight:600;text-transform:uppercase;
  font-size:clamp(30px,4.6vw,56px);line-height:1.08;letter-spacing:.01em;
}
.quote blockquote em{font-style:normal;color:var(--amber)}
.quote .who{
  margin-top:30px;font-family:var(--font-mono);font-size:12px;letter-spacing:.2em;
  text-transform:uppercase;color:rgba(246,246,246,.55);
}

/* ===== CTA final ===== */
#cta{
  background:var(--amber);color:var(--ink);padding:110px 0;position:relative;overflow:hidden;
}
#cta::before,#cta::after{
  content:"";position:absolute;left:0;right:0;height:10px;
  background:repeating-linear-gradient(-45deg,var(--ink) 0 16px,transparent 16px 32px);
}
#cta::before{top:0}#cta::after{bottom:0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{
  font-family:var(--font-display);font-weight:800;text-transform:uppercase;
  font-size:clamp(40px,6vw,76px);line-height:.95;
}
.cta-inner .btn{background:var(--ink);color:var(--paper);font-size:14px;padding:20px 38px}
.cta-inner .btn:hover{background:#fff;color:var(--ink)}

/* ===== Contacto ===== */
#contacto{padding:130px 0 44px;background:var(--paper)}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:start}
.contact-left h2{
  font-family:var(--font-display);font-weight:800;text-transform:uppercase;
  font-size:clamp(44px,6vw,84px);line-height:.95;
}
.contact-left h2 span{color:var(--amber-deep)}
.contact-left p{margin-top:24px;max-width:460px;font-weight:300;color:rgba(16,62,83,.72)}
.contact-list{margin-top:44px;display:grid;border-top:1px solid var(--line)}
.contact-item{
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding:20px 4px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);
  transition:padding .25s,background .25s;
}
.contact-item:hover{background:#fff;padding-left:14px}
.contact-item .k{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:rgba(16,62,83,.5)}
.contact-item .v{font-size:16px;font-weight:500}
.contact-card{background:var(--ink);color:var(--paper);padding:44px 40px 48px;position:relative;overflow:hidden}
.contact-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--amber),var(--amber-deep));
}
.contact-card h3{font-family:var(--font-display);font-weight:700;font-size:30px;text-transform:uppercase;margin-bottom:10px}
.contact-card>p{font-weight:300;font-size:14.5px;color:rgba(246,246,246,.7);margin-bottom:30px}
.field{margin-bottom:18px}
.field label{
  display:block;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:rgba(246,246,246,.55);margin-bottom:8px;
}
.field input,.field textarea{
  width:100%;background:rgba(246,246,246,.06);border:1px solid rgba(246,246,246,.18);
  color:var(--paper);padding:13px 14px;font-family:var(--font-body);font-size:14.5px;
  transition:border-color .25s,background .25s;resize:vertical;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--amber);background:rgba(246,246,246,.1)}
.contact-card .btn-solid{width:100%;justify-content:center;border:0;cursor:pointer;font-size:13px}

/* ===== Footer ===== */
footer{background:var(--ink);color:rgba(246,246,246,.6);padding:48px 0 40px;border-top:1px solid var(--line-light)}
.footer-grid{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.footer-grid .logo-text{font-size:10px}
footer nav ul{gap:24px}
footer .legal{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em}

/* ===== Volver arriba ===== */
.to-top{
  position:fixed;right:24px;bottom:88px;z-index:900;width:50px;height:50px;
  background:var(--ink);border:1px solid rgba(246,246,246,.2);color:var(--amber);
  font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transform:translateY(14px);
  transition:opacity .3s,transform .3s,background .3s;
}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:var(--amber);color:var(--ink)}

/* ===== Responsive ===== */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding-top:130px}
  .hero-draw{max-width:520px;margin:0 auto}
  .services{grid-template-columns:repeat(2,1fr)}
  .projects,.testimonials{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:40px 24px}
  .contact-grid{grid-template-columns:1fr;gap:48px}
  .testimonials{grid-template-columns:1fr}
}
@media(max-width:680px){
  nav ul{
    position:fixed;top:0;left:0;width:100vw;height:100vh;height:100dvh;
    background:var(--ink);flex-direction:column;
    align-items:center;justify-content:center;gap:34px;
    transform:translateX(100%);transition:transform .4s cubic-bezier(.22,.8,.3,1);
  }
  body.menu-open{overflow:hidden}
  nav ul.open{transform:none}
  nav a{font-size:15px}
  .burger{display:block}
  .services,.projects{grid-template-columns:1fr}
  .section-head{grid-template-columns:1fr;gap:10px}
  .phase{padding-left:64px}
  .hero h1{font-size:clamp(46px,13vw,72px)}
  .hero-scroll{display:none}
  .process-meter .pct{font-size:40px;min-width:90px}
  .faq-list summary{font-size:19px}
  .cta-inner{justify-content:center;text-align:center}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .hero h1 .line>span{transform:none}
  .hero p,.hero-actions{opacity:1}
  .draw path,.draw line,.draw rect,.draw polyline,.draw circle{stroke-dashoffset:0}
  .cota{opacity:1}
}

/* ============================================================
   V3 · UPGRADE VISUAL
   ============================================================ */

/* ===== Preloader (puro CSS, se oculta solo) ===== */
.loader{
  position:fixed;inset:0;z-index:2000;background:var(--ink);
  display:flex;align-items:center;justify-content:center;
  animation:loaderOut .7s cubic-bezier(.7,0,.3,1) 1.5s forwards;
}
.loader-inner{display:flex;flex-direction:column;align-items:center;gap:18px}
.loader .logo-mark{font-size:64px;animation:stampIn .5s cubic-bezier(.34,1.56,.64,1) .1s backwards}
@keyframes stampIn{from{opacity:0;transform:scale(1.6)}to{opacity:1;transform:scale(1)}}
.loader-bar{width:180px;height:2px;background:rgba(246,246,246,.12);overflow:hidden}
.loader-bar i{display:block;height:100%;width:100%;background:var(--amber);transform:scaleX(0);transform-origin:left;animation:loadBar 1.3s ease .15s forwards}
@keyframes loadBar{to{transform:scaleX(1)}}
.loader-txt{font-family:var(--font-mono);font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:rgba(246,246,246,.45)}
@keyframes loaderOut{to{transform:translateY(-100%);visibility:hidden}}

/* ===== Grano de película global ===== */
body::after{
  content:"";position:fixed;inset:0;z-index:1999;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

/* ===== Hero: marca de agua, marcas de registro y línea de specs ===== */
.hero-mark{
  position:absolute;right:-3%;bottom:-7%;z-index:0;pointer-events:none;user-select:none;
  font-family:var(--font-display);font-weight:800;font-size:clamp(160px,26vw,400px);
  line-height:1;text-transform:uppercase;color:transparent;
  -webkit-text-stroke:1px rgba(143,196,214,.16);letter-spacing:.02em;
}
.reg{
  position:absolute;width:18px;height:18px;opacity:.35;pointer-events:none;
}
.reg::before,.reg::after{content:"";position:absolute;background:var(--blue-soft)}
.reg::before{left:0;right:0;top:50%;height:1px}
.reg::after{top:0;bottom:0;left:50%;width:1px}
.reg.tl{top:96px;left:28px}.reg.tr{top:96px;right:28px}
.reg.bl{bottom:28px;left:28px}.reg.br{bottom:28px;right:28px}
.hero-specs{
  display:flex;gap:22px;flex-wrap:wrap;margin-top:46px;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(246,246,246,.4);
  opacity:0;animation:fadeUp .9s ease .95s forwards;
}
.hero-specs span{position:relative;padding-right:22px}
.hero-specs span:not(:last-child)::after{content:"/";position:absolute;right:0;color:rgba(185,224,237,.5)}
.hero-draw svg{
  transform:translate(var(--px,0),var(--py,0));
  transition:transform .5s cubic-bezier(.22,.8,.3,1);
}
.hero-inner>div:first-child{position:relative;z-index:2}

/* ===== Títulos: revelado con clip + número fantasma ===== */
.section-head{position:relative}
.section-head h2{
  clip-path:inset(-10% -5% 105% -5%);
  transition:clip-path 1.1s cubic-bezier(.22,.8,.3,1) .15s;
}
.section-head.visible h2{clip-path:inset(-10% -5% -10% -5%)}
.section-head::after{
  content:attr(data-num);position:absolute;right:0;top:-34px;z-index:0;pointer-events:none;
  font-family:var(--font-display);font-weight:800;font-size:clamp(110px,16vw,210px);line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(16,62,83,.10);
  opacity:0;transform:translateX(40px);
  transition:opacity 1s ease .3s,transform 1s cubic-bezier(.22,.8,.3,1) .3s;
}
.dark .section-head::after{-webkit-text-stroke-color:rgba(246,246,246,.10)}
.section-head.visible::after{opacity:1;transform:none}

/* ===== Servicios: papel milimetrado + foco que sigue al ratón ===== */
#servicios{
  background-image:
    linear-gradient(rgba(16,62,83,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(16,62,83,.05) 1px,transparent 1px);
  background-size:28px 28px;
}
.service::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:0;transition:opacity .35s;
  background:radial-gradient(220px circle at var(--mx,50%) var(--my,50%),rgba(47,138,165,.12),transparent 65%);
}
.service:hover::after{opacity:1}
.service-id{transition:color .3s,letter-spacing .3s}
.service:hover .service-id{color:var(--amber-deep);letter-spacing:.3em}

/* ===== Fases: panel sticky con edificio que se construye ===== */
.process-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:start}
.process-visual{
  position:sticky;top:110px;
  background:linear-gradient(165deg,rgba(143,196,214,.07),rgba(11,44,60,.4));
  border:1px solid rgba(246,246,246,.1);padding:26px 22px 18px;
}
.process-visual .pv-head{
  display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;
  color:rgba(246,246,246,.45);
}
.process-visual .pv-head b{color:var(--amber);font-weight:500}
.process-visual svg{width:100%;height:auto;display:block}
.pv line,.pv rect,.pv path,.pv polyline,.pv circle{fill:none;stroke:var(--blue-soft);stroke-width:1.3}
.pv .am{stroke:var(--amber)}
.pv .th{stroke-width:.8;opacity:.65}
.pv .dash{stroke-dasharray:5 5}
.pv .fill-soft{fill:rgba(143,196,214,.08);stroke:none}
.pv text{font-family:var(--font-mono);letter-spacing:.1em;fill:rgba(246,246,246,.55)}
.pv .amtxt{fill:var(--amber)}
.pv [data-layer]{
  opacity:0;transform:translateY(10px);
  transition:opacity .7s ease,transform .7s cubic-bezier(.22,.8,.3,1);
}
.pv [data-layer].on{opacity:1;transform:none}

/* ===== Cifras: regla métrica ===== */
.ruler{
  height:14px;margin-bottom:54px;opacity:.5;
  background:
    repeating-linear-gradient(90deg,var(--ink) 0 1px,transparent 1px 10px) bottom/100% 6px no-repeat,
    repeating-linear-gradient(90deg,var(--ink) 0 1px,transparent 1px 50px) bottom/100% 14px no-repeat;
}

/* ===== Proyectos: línea de escaneo tipo plóter ===== */
.project-visual::before{
  content:"";position:absolute;left:0;right:0;top:-20%;height:18%;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(185,224,237,.22),rgba(185,224,237,.5),transparent);
  opacity:0;
}
.project:hover .project-visual::before{opacity:1;animation:scan 1.4s cubic-bezier(.4,0,.6,1) infinite}
@keyframes scan{from{top:-20%}to{top:102%}}

/* ===== Cita: subrayado que se dibuja ===== */
.quote em{
  background:linear-gradient(var(--amber),var(--amber)) left bottom/0% 3px no-repeat;
  padding-bottom:6px;transition:background-size 1s cubic-bezier(.22,.8,.3,1) .6s;
}
.quote.visible em{background-size:100% 3px}

/* ===== Raíl lateral de navegación ===== */
.rail{
  position:fixed;right:26px;top:50%;transform:translateY(-50%);z-index:950;
  display:flex;flex-direction:column;gap:16px;
}
.rail a{
  position:relative;width:10px;height:10px;border:1px solid rgba(16,62,83,.4);
  border-radius:50%;transition:background .3s,border-color .3s,transform .3s;
}
.rail.on-dark a{border-color:rgba(246,246,246,.4)}
.rail a.active{background:var(--amber-deep);border-color:var(--amber-deep);transform:scale(1.25)}
.rail a::after{
  content:attr(data-label);position:absolute;right:22px;top:50%;transform:translateY(-50%) translateX(6px);
  font-family:var(--font-mono);font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;
  color:inherit;white-space:nowrap;opacity:0;transition:opacity .25s,transform .25s;
  color:var(--amber-deep);
}
.rail a:hover::after{opacity:1;transform:translateY(-50%)}

/* ===== Footer: wordmark gigante ===== */
.footer-word{
  font-family:var(--font-display);font-weight:800;text-transform:uppercase;line-height:1.02;
  font-size:clamp(56px,17vw,200px);letter-spacing:.01em;text-align:center;
  color:transparent;-webkit-text-stroke:1px rgba(246,246,246,.14);
  user-select:none;margin:-6px 0 30px;
  transition:-webkit-text-stroke-color .4s;
}
.footer-word span{display:block}
.footer-word span+span{margin-top:.06em}
.footer-word:hover{-webkit-text-stroke-color:rgba(185,224,237,.5)}
footer{padding-top:8px}
.footer-base{
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
  border-top:1px solid var(--line-light);padding-top:32px;margin-top:44px;
}

/* ===== Responsive V3 ===== */
@media(max-width:1200px){.rail{display:none}}
@media(max-width:980px){
  .process-grid{grid-template-columns:1fr}
  .process-visual{position:relative;top:0;order:-1;max-width:480px}
  .hero-mark{font-size:clamp(120px,30vw,240px);bottom:-3%}
}
@media(max-width:680px){
  .reg{display:none}
  .section-head::after{top:-18px;font-size:clamp(80px,22vw,130px)}
  .hero-specs{gap:14px}
  .footer-word{-webkit-text-stroke-width:.7px}
}
@media(prefers-reduced-motion:reduce){
  .loader{display:none}
  body::after{display:none}
  .section-head h2{clip-path:none}
  .section-head::after{opacity:1;transform:none}
  .pv [data-layer]{transition:none}
  .project:hover .project-visual::before{animation:none;opacity:0}
  .quote em{background-size:100% 3px}
}

/* Paleta cliente: punto del raíl en hielo sobre fondos oscuros */
.rail.on-dark a.active{background:var(--amber);border-color:var(--amber)}

/* ============================================================
   MARCA PROYECTOS ADRIÁN · logo + sección compromiso
   ============================================================ */
.logo-ico{width:34px;height:34px;color:var(--amber);flex-shrink:0;display:block}
.loader .logo-ico{width:62px;height:62px}
.footer-grid .logo-ico{width:34px;height:34px}

/* Nuestro compromiso (banda oscura, 3 valores) */
#valores{padding:120px 0;background:var(--ink);color:var(--paper)}
#valores .section-head h2{color:var(--paper)}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-light);border:1px solid var(--line-light)}
.value{background:var(--ink);padding:42px 32px 46px;position:relative;overflow:hidden;transition:background .35s}
.value::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .4s ease}
.value:hover{background:var(--ink-2)}
.value:hover::before{transform:scaleX(1)}
.value .v-ico{width:44px;height:44px;color:var(--amber);margin-bottom:24px;display:block}
.value .v-ico [fill-rule]{fill:currentColor}
.value h3{font-family:var(--font-display);font-weight:700;font-size:27px;text-transform:uppercase;letter-spacing:.01em;margin-bottom:12px}
.value p{font-weight:300;font-size:14.5px;color:rgba(246,246,246,.7)}
@media(max-width:880px){.values{grid-template-columns:1fr}}


/* ===== Botón flotante de WhatsApp ===== */
.wa-float{
  position:fixed;right:24px;bottom:24px;z-index:902;
  display:flex;align-items:center;gap:10px;
  height:52px;padding:0 20px;
  background:#25D366;color:#0A2A1B;text-decoration:none;
  font-family:var(--font-mono);font-size:11.5px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;
  box-shadow:0 12px 30px rgba(16,62,83,.28);
  transition:background .3s ease,transform .3s ease,box-shadow .3s ease;
}
.wa-float svg{width:22px;height:22px;flex-shrink:0}
.wa-float:hover{background:#1FBF5B;transform:translateY(-2px);box-shadow:0 16px 34px rgba(16,62,83,.34)}
.wa-float:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
@media(max-width:620px){
  .wa-float{width:54px;height:54px;padding:0;justify-content:center;right:18px;bottom:18px}
  .wa-float span{display:none}
  .wa-float svg{width:26px;height:26px}
  .to-top{right:18px;bottom:84px}
}
@media(prefers-reduced-motion:reduce){
  .wa-float{transition:background .3s ease}
  .wa-float:hover{transform:none}
}

/* ===== Mensaje de respuesta del formulario ===== */
.form-msg{margin-top:16px;font-size:14px;font-weight:300;line-height:1.5;display:none}
.form-msg.show{display:block}
.form-msg.ok{color:var(--amber)}
.form-msg.err{color:#F3B7A6}