/*
Theme Name: Quezada Ramírez - Gestión y Proyectos
Theme URI: https://qrproyectos.cl
Author: Quezada Ramírez
Author URI: https://qrproyectos.cl
Description: Tema corporativo a medida para Quezada Ramírez (QR Proyectos). Desarrollo de proyectos eléctricos, climatización y arquitectura, gestión y gerenciamiento de obras.
Version: 1.1
License: GNU General Public License v2 or later
Text Domain: qr-proyectos
*/

:root{
  /* === PALETA CORPORATIVA QR === */
  --paper:#EFEDE8;          /* fondo claro principal */
  --paper-2:#E4E1D9;        /* fondo de sección alterna */
  --ink:#2A2D33;            /* texto principal (charcoal del logo) */
  --ink-soft:#535963;       /* texto secundario */
  --mute:#8E949A;           /* gris corporativo (R del logo) */
  --line:#C7C3BA;           /* líneas / divisores */
  --brand:#1F3A5F;          /* azul marino corporativo (Q del logo) */
  --brand-deep:#14253D;     /* azul marino profundo para fondos oscuros */
  --brand-soft:#3A5680;     /* azul marino más claro para hovers */
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Manrope', sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.5;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

.display{
  font-family:'Fraunces', serif;
  font-weight:400;
  letter-spacing:-0.02em;
  line-height:1.02;
  font-variation-settings:"opsz" 144;
  color:var(--ink);
}

.eyebrow{
  font-family:'Manrope', sans-serif;
  font-weight:500;
  font-size:11px;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--brand);
}

.container{
  max-width:1280px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ GRAIN OVERLAY (suave) ============ */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:1000;
  opacity:0.22;
  mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.08 0 0 0 0 0.08 0 0 0 0 0.08 0 0 0 0.15 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============ NAV ============ */
.site-nav{
  position:fixed;
  top:0;left:0;right:0;
  z-index:100;
  padding:18px 0;
  background:rgba(239,237,232,0.88);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color 0.3s;
}
.site-nav.scrolled{ border-bottom:1px solid var(--line); }
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
}

.logo{
  display:flex;
  align-items:center;
  text-decoration:none;
  color:var(--ink);
}
.logo img{
  height:44px;
  width:auto;
  display:block;
}

.nav-links{
  display:flex;
  align-items:center;
  gap:36px;
}
.nav-links a{
  color:var(--ink-soft);
  text-decoration:none;
  font-size:14px;
  font-weight:500;
  transition:color 0.2s;
}
.nav-links a:hover{ color:var(--brand); }
.nav-cta{
  background:var(--brand) !important;
  color:var(--paper) !important;
  padding:11px 22px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
  transition:background 0.2s;
}
.nav-cta:hover{ background:var(--brand-deep) !important; color:var(--paper) !important; }
.menu-btn{display:none;background:none;border:none;color:var(--ink);cursor:pointer;font-size:24px}

/* ============ HERO ============ */
.hero{
  padding:160px 0 90px;
  position:relative;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:60px;
  align-items:end;
}
.hero-eyebrow-row{
  display:flex;align-items:center;gap:16px;
  margin-bottom:36px;
  animation:fadeUp 0.8s ease-out both;
}
.hero-eyebrow-row::after{
  content:"";
  flex:1;
  height:1px;
  background:var(--line);
  max-width:200px;
}
.hero h1{
  font-size:clamp(48px, 7.5vw, 104px);
  margin-bottom:36px;
  animation:fadeUp 0.9s 0.1s ease-out both;
}
.hero h1 em{
  font-style:italic;
  color:var(--brand);
  font-weight:400;
}
.hero-sub{
  font-size:18px;
  color:var(--ink-soft);
  max-width:520px;
  line-height:1.55;
  margin-bottom:40px;
  animation:fadeUp 1s 0.2s ease-out both;
}
.hero-actions{
  display:flex;
  gap:14px;
  align-items:center;
  flex-wrap:wrap;
  animation:fadeUp 1.1s 0.3s ease-out both;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  text-decoration:none;
  transition:all 0.25s;
  cursor:pointer;
  border:none;
  font-family:inherit;
}
.btn-primary{
  background:var(--brand);
  color:var(--paper);
}
.btn-primary:hover{ background:var(--brand-deep); transform:translateY(-1px); }
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:1px solid var(--line);
}
.btn-ghost:hover{ border-color:var(--brand); color:var(--brand); }
.btn .arrow{ transition:transform 0.25s; }
.btn:hover .arrow{ transform:translateX(3px); }

.hero-side{
  border-left:1px solid var(--line);
  padding-left:40px;
  animation:fadeUp 1.2s 0.4s ease-out both;
}
.hero-side-item{
  padding:24px 0;
  border-bottom:1px solid var(--line);
}
.hero-side-item:last-child{border-bottom:none}
.hero-side-item .num{
  font-family:'Fraunces',serif;
  font-size:15px;
  color:var(--brand);
  margin-bottom:6px;
}
.hero-side-item h4{
  font-family:'Fraunces',serif;
  font-weight:500;
  font-size:19px;
  letter-spacing:-0.01em;
  margin-bottom:4px;
  color:var(--ink);
}
.hero-side-item p{
  font-size:13px;
  color:var(--ink-soft);
  line-height:1.45;
}

.ticker{
  margin-top:90px;
  padding:18px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  overflow:hidden;
  white-space:nowrap;
}
.ticker-track{
  display:inline-flex;
  gap:48px;
  animation:scroll 38s linear infinite;
}
.ticker-track span{
  font-family:'Fraunces',serif;
  font-style:italic;
  font-size:18px;
  color:var(--ink-soft);
}
.ticker-track span::after{
  content:"✺";
  margin-left:48px;
  color:var(--brand);
  font-style:normal;
}

/* ============ SERVICES ============ */
.services{
  padding:120px 0;
  background:var(--paper-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{
  display:grid;
  grid-template-columns:1fr 1.4fr;
  gap:60px;
  margin-bottom:72px;
  align-items:end;
}
.section-head h2{ font-size:clamp(40px,5.5vw,68px); }
.section-head h2 em{font-style:italic;color:var(--brand);font-weight:400;}
.section-head .lede{
  font-size:17px;
  color:var(--ink-soft);
  line-height:1.55;
  max-width:480px;
}

.services-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border-top:1px solid var(--line);
}
.service{
  padding:40px 32px 40px 0;
  border-right:1px solid var(--line);
  position:relative;
  transition:background 0.3s;
}
.service:last-child{border-right:none;padding-right:0}
.service:not(:first-child){padding-left:32px}
.service .num{
  font-family:'Fraunces',serif;
  font-style:italic;
  color:var(--brand);
  font-size:14px;
  margin-bottom:32px;
  display:block;
}
.service-icon{
  width:48px;height:48px;
  margin-bottom:28px;
  color:var(--brand);
}
.service h3{
  font-family:'Fraunces',serif;
  font-weight:500;
  font-size:28px;
  letter-spacing:-0.01em;
  line-height:1.1;
  margin-bottom:16px;
  color:var(--ink);
}
.service p{
  color:var(--ink-soft);
  font-size:15px;
  line-height:1.55;
  margin-bottom:24px;
}
.service ul{
  list-style:none;
  border-top:1px solid var(--line);
  padding-top:18px;
}
.service ul li{
  font-size:13px;
  color:var(--ink-soft);
  padding:7px 0;
  display:flex;
  align-items:center;
  gap:10px;
}
.service ul li::before{
  content:"";
  width:4px;height:4px;
  background:var(--brand);
  border-radius:50%;
  flex-shrink:0;
}

/* ============ APPROACH ============ */
.approach{padding:120px 0;}
.approach-head{
  text-align:left;
  margin-bottom:72px;
  max-width:780px;
}
.approach-head h2{
  font-size:clamp(40px,5.5vw,68px);
  margin-top:18px;
}
.approach-head h2 em{font-style:italic;color:var(--brand);font-weight:400;}

.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.step{
  padding:32px 24px 32px 0;
  border-top:1px solid var(--brand);
  position:relative;
}
.step .step-num{
  font-family:'Fraunces',serif;
  font-size:48px;
  font-weight:300;
  line-height:1;
  margin-bottom:48px;
  letter-spacing:-0.03em;
  color:var(--ink);
}
.step .step-num em{
  color:var(--brand);
  font-style:italic;
  font-size:24px;
  vertical-align:super;
  margin-left:2px;
}
.step h4{
  font-family:'Fraunces',serif;
  font-weight:500;
  font-size:22px;
  letter-spacing:-0.01em;
  margin-bottom:10px;
  line-height:1.15;
  color:var(--ink);
}
.step p{
  color:var(--ink-soft);
  font-size:14px;
  line-height:1.5;
}

/* ============ WHY ============ */
.why{
  padding:120px 0;
  background:var(--brand-deep);
  color:var(--paper);
  position:relative;
  overflow:hidden;
}
.why::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  width:1px;height:100%;
  background:rgba(239,237,232,0.08);
}
.why .eyebrow{color:rgba(239,237,232,0.55);}
.why-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:80px;
  align-items:center;
}
.why h2{
  font-size:clamp(36px,4.8vw,58px);
  margin-top:18px;
  margin-bottom:28px;
  color:var(--paper);
}
.why h2 em{
  font-style:italic;
  color:#A8B8CF;
  font-weight:400;
}
.why-text p{
  color:rgba(239,237,232,0.72);
  font-size:16px;
  line-height:1.6;
  margin-bottom:18px;
}
.why-list{ list-style:none; }
.why-list li{
  padding:24px 0;
  border-top:1px solid rgba(239,237,232,0.14);
  display:grid;
  grid-template-columns:60px 1fr;
  gap:24px;
  align-items:start;
}
.why-list li:last-child{border-bottom:1px solid rgba(239,237,232,0.14)}
.why-list .lbl{
  font-family:'Fraunces',serif;
  font-style:italic;
  font-size:16px;
  color:#A8B8CF;
}
.why-list h5{
  font-family:'Fraunces',serif;
  font-size:20px;
  font-weight:500;
  margin-bottom:6px;
  letter-spacing:-0.01em;
  color:var(--paper);
}
.why-list p{
  color:rgba(239,237,232,0.65);
  font-size:14px;
  line-height:1.5;
}

/* ============ CONTACT ============ */
.contact{
  padding:140px 0 100px;
  position:relative;
}
.contact-inner{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:80px;
  align-items:start;
}
.contact h2{
  font-size:clamp(44px,6.5vw,88px);
  margin-top:24px;
  margin-bottom:28px;
}
.contact h2 em{font-style:italic;color:var(--brand);font-weight:400;}
.contact-lede{
  font-size:18px;
  color:var(--ink-soft);
  line-height:1.55;
  margin-bottom:40px;
  max-width:540px;
}
.contact-channels{
  display:flex;
  flex-direction:column;
  gap:0;
}
.channel{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:24px 0;
  border-top:1px solid var(--line);
  text-decoration:none;
  color:var(--ink);
  transition:padding-left 0.3s, color 0.3s;
}
.channel:last-child{border-bottom:1px solid var(--line);}
.channel:hover{padding-left:8px;color:var(--brand);}
.channel-label{
  font-family:'Fraunces',serif;
  font-style:italic;
  font-size:14px;
  color:var(--mute);
  margin-bottom:4px;
  display:block;
}
.channel-value{
  font-family:'Fraunces',serif;
  font-size:22px;
  font-weight:500;
  letter-spacing:-0.01em;
}
.channel .arrow{transition:transform 0.3s;}
.channel:hover .arrow{transform:translate(4px,-4px);}

/* ============ FOOTER ============ */
.site-footer{
  padding:48px 0 36px;
  border-top:1px solid var(--line);
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:24px;
}
.footer-inner .logo img{ height:38px; }
.footer-meta{
  display:flex;
  gap:32px;
  font-size:13px;
  color:var(--mute);
}
.footer-meta a{
  color:var(--mute);
  text-decoration:none;
  transition:color 0.2s;
}
.footer-meta a:hover{color:var(--brand);}

/* ============ ANIMATIONS ============ */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(20px);}
  to{opacity:1;transform:translateY(0);}
}
@keyframes scroll{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}
.reveal{
  opacity:0;
  transform:translateY(30px);
  transition:opacity 0.8s ease-out, transform 0.8s ease-out;
}
.reveal.visible{
  opacity:1;
  transform:translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width:900px){
  .nav-links{display:none;}
  .menu-btn{display:block;}
  .logo img{height:36px;}
  .hero{padding:130px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .hero-side{border-left:none;border-top:1px solid var(--line);padding-left:0;padding-top:8px;}
  .section-head{grid-template-columns:1fr;gap:24px;margin-bottom:56px;}
  .services-grid{grid-template-columns:1fr;}
  .service{
    border-right:none;
    border-bottom:1px solid var(--line);
    padding:36px 0 !important;
  }
  .service:last-child{border-bottom:none;}
  .steps{grid-template-columns:1fr 1fr;}
  .why-grid{grid-template-columns:1fr;gap:48px;}
  .contact-inner{grid-template-columns:1fr;gap:48px;}
  .channel-value{font-size:18px;}
  .container{padding:0 22px;}
  .services,.approach,.why,.contact{padding:80px 0;}
}
@media (max-width:560px){
  .steps{grid-template-columns:1fr;}
  .footer-meta{flex-direction:column;gap:8px;}
  .logo img{height:32px;}
}