/* ==========================================================================
   MinRock Inmobiliaria — Hoja de estilos principal
   Paleta: Azul Cordillera / Grafito / Cobre
   ========================================================================== */

:root{
  /* Marca */
  --navy:        #0E2238;
  --navy-deep:   #081726;
  --navy-soft:   #17324D;
  --graphite:    #232A31;
  --copper:      #B87333;
  --copper-lt:   #CE8B44;
  --copper-ink:  #8A551F;   /* cobre accesible sobre fondo claro */

  /* Neutros */
  --bone:        #F6F4F1;
  --sand:        #E7E2DA;
  --line:        #DCD7CE;
  --ink:         #1A1F24;
  --muted:       #5F6B76;
  --white:       #FFFFFF;

  /* Tipografía */
  --font-display: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-body:    "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;

  /* Medidas */
  --wrap: 1180px;
  --gutter: 24px;
  --radius: 4px;
  --radius-lg: 10px;
  --shadow-sm: 0 1px 2px rgba(14,34,56,.06), 0 4px 12px rgba(14,34,56,.05);
  --shadow-md: 0 10px 30px rgba(14,34,56,.10);
  --t: 180ms cubic-bezier(.4,0,.2,1);
}

/* --------------------------------------------------------- Reset / base */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--white);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img,svg{ max-width:100%; display:block; }
a{ color:var(--copper-ink); text-decoration:none; }
a:hover{ text-decoration:underline; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.12;
  letter-spacing:-.02em;
  margin:0 0 .5em;
  color:var(--navy);
}
h1{ font-size:clamp(2.1rem, 5.2vw, 3.6rem); }
h2{ font-size:clamp(1.7rem, 3.6vw, 2.5rem); }
h3{ font-size:1.22rem; letter-spacing:-.01em; }
p{ margin:0 0 1.1em; }
ul{ margin:0 0 1.1em; padding-left:1.1em; }
li{ margin-bottom:.4em; }
strong{ font-weight:650; }
:focus-visible{ outline:3px solid var(--copper); outline-offset:3px; border-radius:2px; }

/* ------------------------------------------------------------ Utilidades */
.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--gutter); }
.section{ padding:clamp(56px, 8vw, 104px) 0; }
.section--tight{ padding:clamp(40px, 5vw, 64px) 0; }
.section--bone{ background:var(--bone); }
.section--navy{ background:var(--navy); color:#D9E1EA; }
.section--navy h2,.section--navy h3{ color:var(--white); }
.section--navy a{ color:var(--copper-lt); }
.center{ text-align:center; }
.narrow{ max-width:680px; }
.center.narrow{ margin-inline:auto; }
.mt0{ margin-top:0; } .mb0{ margin-bottom:0; }

.eyebrow{
  display:inline-block;
  font-family:var(--font-display);
  font-size:.75rem; font-weight:600;
  letter-spacing:.18em; text-transform:uppercase;
  color:var(--copper-ink);
  margin-bottom:.9rem;
}
.section--navy .eyebrow{ color:var(--copper-lt); }
.eyebrow::before{
  content:""; display:inline-block; width:22px; height:2px;
  background:currentColor; vertical-align:middle; margin-right:10px;
}
.lead{ font-size:1.15rem; color:var(--muted); }
.section--navy .lead{ color:#AFBECD; }

/* ---------------------------------------------------------------- Botones */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5em;
  font-family:var(--font-display); font-size:.97rem; font-weight:600;
  letter-spacing:.01em;
  padding:.92em 1.6em;
  border-radius:var(--radius);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background var(--t), color var(--t), border-color var(--t), transform var(--t);
  text-decoration:none !important;
}
.btn:hover{ transform:translateY(-1px); }
.btn--primary{ background:var(--copper); color:var(--white); }
.btn--primary:hover{ background:var(--copper-ink); }
.btn--navy{ background:var(--navy); color:var(--white); }
.btn--navy:hover{ background:var(--navy-soft); }
.btn--ghost{ border-color:var(--navy); color:var(--navy); background:transparent; }
.btn--ghost:hover{ background:var(--navy); color:var(--white); }
.btn--ghost-light{ border-color:rgba(255,255,255,.45); color:var(--white); background:transparent; }
.btn--ghost-light:hover{ background:var(--white); color:var(--navy); }
.btn--wide{ width:100%; }
.btn-row{ display:flex; flex-wrap:wrap; gap:14px; }

/* ----------------------------------------------------------------- Header */
.site-header{
  position:sticky; top:0; z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(1.6) blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header__inner{ display:flex; align-items:center; gap:20px; height:74px; }
.brand{ display:flex; align-items:center; flex:0 0 auto; }
.brand img{ height:40px; width:auto; }
.brand:hover{ text-decoration:none; }
.nav{ margin-left:auto; display:flex; align-items:center; gap:4px; }
.nav a{
  font-family:var(--font-display); font-size:.93rem; font-weight:500;
  color:var(--graphite); padding:.55em .8em; border-radius:var(--radius);
  transition:color var(--t), background var(--t);
}
.nav a:hover{ color:var(--navy); background:var(--bone); text-decoration:none; }
.nav a.is-active{ color:var(--copper-ink); font-weight:650; }
.header-cta{ margin-left:10px; }
.nav-toggle{
  display:none; margin-left:auto;
  background:transparent; border:1.5px solid var(--line); border-radius:var(--radius);
  width:44px; height:44px; cursor:pointer; padding:0;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  display:block; width:20px; height:2px; background:var(--navy); margin-inline:auto;
  position:relative; transition:transform var(--t), opacity var(--t);
}
.nav-toggle span::before{ content:""; position:absolute; top:-6px; }
.nav-toggle span::after{ content:""; position:absolute; top:6px; }
.nav-toggle[aria-expanded="true"] span{ background:transparent; }
.nav-toggle[aria-expanded="true"] span::before{ transform:translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after{ transform:translateY(-6px) rotate(-45deg); }

@media (max-width:920px){
  .nav-toggle{ display:block; }
  .nav{
    position:absolute; left:0; right:0; top:74px;
    flex-direction:column; align-items:stretch; gap:0;
    background:var(--white); border-bottom:1px solid var(--line);
    padding:10px var(--gutter) 22px;
    box-shadow:var(--shadow-md);
    display:none;
  }
  .nav.is-open{ display:flex; }
  .nav a{ padding:.85em .2em; border-bottom:1px solid var(--bone); border-radius:0; }
  .header-cta{ margin:14px 0 0; }
}

/* ------------------------------------------------------------------- Hero */
.hero{
  position:relative; overflow:hidden;
  background:var(--navy);
  color:#D9E1EA;
  padding:clamp(64px, 9vw, 128px) 0 clamp(56px, 8vw, 104px);
}
.hero::before{
  content:""; position:absolute; inset:0;
  background:
    radial-gradient(900px 480px at 18% -10%, rgba(184,115,51,.22), transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);
}
.hero::after{                       /* trama de planos / blueprint */
  content:""; position:absolute; inset:0; opacity:.16;
  background-image:
    linear-gradient(rgba(255,255,255,.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.35) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(to bottom right, rgba(0,0,0,.9), transparent 70%);
  -webkit-mask-image:linear-gradient(to bottom right, rgba(0,0,0,.9), transparent 70%);
}
.hero .wrap{ position:relative; z-index:1; }
.hero h1{ color:var(--white); max-width:16ch; }
.hero__lead{ font-size:clamp(1.05rem,2.1vw,1.28rem); color:#B9C7D6; max-width:54ch; }
.hero .btn-row{ margin-top:30px; }
.hero__note{ margin-top:22px; font-size:.9rem; color:#8FA2B5; }

/* ---------------------------------------------------------------- Grillas */
.grid{ display:grid; gap:28px; }
.grid--2{ grid-template-columns:repeat(2,1fr); }
.grid--3{ grid-template-columns:repeat(3,1fr); }
.grid--4{ grid-template-columns:repeat(4,1fr); }
.grid--split{ grid-template-columns:1.05fr .95fr; gap:clamp(32px,5vw,72px); align-items:center; }
@media (max-width:960px){
  .grid--3,.grid--4{ grid-template-columns:repeat(2,1fr); }
  .grid--split{ grid-template-columns:1fr; }
}
@media (max-width:640px){
  .grid--2,.grid--3,.grid--4{ grid-template-columns:1fr; }
}

/* --------------------------------------------------------------- Tarjetas */
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:30px 28px;
  transition:border-color var(--t), box-shadow var(--t), transform var(--t);
}
.card:hover{ border-color:var(--copper); box-shadow:var(--shadow-md); transform:translateY(-2px); }
.card h3{ margin-bottom:.45em; }
.card p:last-child{ margin-bottom:0; }
.card__icon{ width:38px; height:38px; color:var(--copper); margin-bottom:16px; }
.section--navy .card{
  background:rgba(255,255,255,.04); border-color:rgba(255,255,255,.14); color:#C3D0DC;
}
.section--navy .card:hover{ border-color:var(--copper); }

/* Pasos numerados */
.steps{ counter-reset:step; }
.step{ position:relative; padding-left:0; }
.step__num{
  display:inline-flex; align-items:center; justify-content:center;
  width:42px; height:42px; border-radius:50%;
  background:var(--navy); color:var(--white);
  font-family:var(--font-display); font-weight:700; font-size:1rem;
  margin-bottom:16px;
}
.section--navy .step__num{ background:var(--copper); }

/* Cifras */
.stat{ border-top:3px solid var(--copper); padding-top:18px; }
.stat__num{
  font-family:var(--font-display); font-weight:700;
  font-size:clamp(2rem,4vw,2.9rem); line-height:1; color:var(--navy);
  letter-spacing:-.03em;
}
.section--navy .stat__num{ color:var(--white); }
.stat__label{ font-size:.92rem; color:var(--muted); margin-top:8px; }
.section--navy .stat__label{ color:#9FB1C2; }

/* Lista con check */
.checklist{ list-style:none; padding:0; }
.checklist li{ position:relative; padding-left:34px; margin-bottom:14px; }
.checklist li::before{
  content:""; position:absolute; left:0; top:.32em;
  width:19px; height:19px; border-radius:50%;
  background:var(--copper);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.crosslist{ list-style:none; padding:0; }
.crosslist li{ position:relative; padding-left:34px; margin-bottom:14px; color:var(--muted); }
.crosslist li::before{
  content:"–"; position:absolute; left:8px; top:0; color:var(--muted); font-weight:700;
}

/* ------------------------------------------------------- Antes / después */
.ba{
  position:relative; border-radius:var(--radius-lg); overflow:hidden;
  aspect-ratio:4/3; background:var(--sand); user-select:none; touch-action:pan-y;
  border:1px solid var(--line);
}
.ba__img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.ba__after{ clip-path:inset(0 0 0 var(--pos,50%)); }
.ba__tag{
  position:absolute; bottom:14px; z-index:3;
  font-family:var(--font-display); font-size:.7rem; font-weight:600;
  letter-spacing:.14em; text-transform:uppercase;
  padding:.4em .7em; border-radius:3px;
  background:rgba(14,34,56,.82); color:var(--white);
}
.ba__tag--l{ left:14px; } .ba__tag--r{ right:14px; background:var(--copper); }
.ba__handle{
  position:absolute; top:0; bottom:0; left:var(--pos,50%); z-index:4;
  width:3px; background:var(--white); transform:translateX(-50%);
  box-shadow:0 0 0 1px rgba(14,34,56,.25);
}
.ba__handle::after{
  content:""; position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%);
  width:42px; height:42px; border-radius:50%;
  background:var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%230E2238'%3E%3Cpath d='M9.5 7 5 12l4.5 5V7zm5 0v10l4.5-5-4.5-5z'/%3E%3C/svg%3E") center/24px no-repeat;
  box-shadow:var(--shadow-md);
}
.ba__range{
  position:absolute; inset:0; z-index:5; width:100%; height:100%;
  opacity:0; cursor:ew-resize; margin:0;
}

/* Tarjeta de proyecto */
.project{ border:1px solid var(--line); border-radius:var(--radius-lg); overflow:hidden; background:var(--white); }
.project__body{ padding:22px 24px 26px; }
.project__meta{
  display:flex; flex-wrap:wrap; gap:8px 18px; margin:0 0 14px;
  font-size:.85rem; color:var(--muted);
}
.project__meta span{ display:inline-flex; align-items:center; gap:6px; }
.badge{
  display:inline-block; font-family:var(--font-display); font-size:.68rem; font-weight:650;
  letter-spacing:.12em; text-transform:uppercase;
  padding:.35em .65em; border-radius:3px;
  background:var(--bone); color:var(--copper-ink); border:1px solid var(--sand);
}
.badge--live{ background:var(--copper); color:var(--white); border-color:var(--copper); }

/* Marcador de contenido pendiente */
.placeholder{
  display:grid; place-content:center; text-align:center; gap:6px;
  aspect-ratio:4/3; background:
    repeating-linear-gradient(45deg, var(--sand) 0 12px, #EFEAE2 12px 24px);
  color:var(--muted); font-size:.8rem; letter-spacing:.1em; text-transform:uppercase;
  font-family:var(--font-display);
}

/* ------------------------------------------------------------ Formularios */
.form{ display:grid; gap:18px; }
.field{ display:grid; gap:7px; }
.field label{
  font-family:var(--font-display); font-size:.88rem; font-weight:600; color:var(--navy);
}
.field .hint{ font-size:.8rem; color:var(--muted); }
.field input, .field select, .field textarea{
  width:100%; font-family:var(--font-body); font-size:1rem; color:var(--ink);
  padding:.8em .9em; background:var(--white);
  border:1.5px solid var(--line); border-radius:var(--radius);
  transition:border-color var(--t), box-shadow var(--t);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--copper); box-shadow:0 0 0 3px rgba(184,115,51,.16);
}
.field textarea{ min-height:120px; resize:vertical; }
.field--row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; }
@media (max-width:640px){ .field--row{ grid-template-columns:1fr; } }
.form__legal{ font-size:.82rem; color:var(--muted); }
.form-status{
  padding:14px 16px; border-radius:var(--radius); font-size:.92rem;
  border:1.5px solid var(--line); background:var(--bone); display:none;
}
.form-status.is-ok{ display:block; border-color:#2E7D52; background:#EAF5EF; color:#1C5637; }
.form-status.is-err{ display:block; border-color:#B4443A; background:#FBEDEC; color:#8C2F27; }
.form-panel{
  background:var(--white); border:1px solid var(--line);
  border-radius:var(--radius-lg); padding:clamp(24px,4vw,40px);
  box-shadow:var(--shadow-sm);
}

/* ------------------------------------------------------------------- FAQ */
.faq{ border-top:1px solid var(--line); }
.faq details{ border-bottom:1px solid var(--line); }
.faq summary{
  cursor:pointer; list-style:none; padding:22px 44px 22px 0; position:relative;
  font-family:var(--font-display); font-weight:600; font-size:1.05rem; color:var(--navy);
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:""; position:absolute; right:8px; top:50%; width:13px; height:13px;
  margin-top:-7px; border-right:2px solid var(--copper); border-bottom:2px solid var(--copper);
  transform:rotate(45deg); transition:transform var(--t);
}
.faq details[open] summary::after{ transform:rotate(-135deg); }
.faq details p{ padding-right:44px; color:var(--muted); }

/* ------------------------------------------------------------- Testimonio */
.quote{
  border-left:3px solid var(--copper); padding-left:26px;
  font-size:1.18rem; line-height:1.55; color:var(--navy);
}
.section--navy .quote{ color:#E3EAF1; }
.quote cite{ display:block; margin-top:14px; font-size:.9rem; font-style:normal; color:var(--muted); }
.section--navy .quote cite{ color:#9FB1C2; }

/* ------------------------------------------------------------------ Franja */
.cta-band{ background:var(--copper); color:var(--white); }
.cta-band h2{ color:var(--white); }
.cta-band .lead{ color:rgba(255,255,255,.92); }
.cta-band__inner{
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:28px;
}

/* ------------------------------------------------------------------ Footer */
.site-footer{ background:var(--navy-deep); color:#93A6B8; font-size:.93rem; }
.site-footer a{ color:#C3D0DC; }
.site-footer a:hover{ color:var(--white); }
.site-footer__grid{
  display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px;
  padding:clamp(48px,6vw,72px) 0 40px;
}
@media (max-width:860px){ .site-footer__grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:520px){ .site-footer__grid{ grid-template-columns:1fr; } }
.site-footer h4{
  font-size:.78rem; letter-spacing:.16em; text-transform:uppercase;
  color:var(--white); margin-bottom:16px;
}
.site-footer ul{ list-style:none; padding:0; margin:0; }
.site-footer li{ margin-bottom:9px; }
.site-footer__brand img{ height:44px; margin-bottom:18px; }
.site-footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px; display:flex; flex-wrap:wrap; gap:12px;
  justify-content:space-between; font-size:.85rem;
}

/* --------------------------------------------------------------- WhatsApp */
.wa-float{
  position:fixed; right:20px; bottom:20px; z-index:70;
  width:56px; height:56px; border-radius:50%;
  background:#1EA855; color:#fff; display:grid; place-content:center;
  box-shadow:var(--shadow-md); transition:transform var(--t);
}
.wa-float:hover{ transform:scale(1.06); text-decoration:none; }
.wa-float svg{ width:30px; height:30px; }

/* ------------------------------------------------------------- Animación */
.js .reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation:none !important; transition:none !important; scroll-behavior:auto !important; }
  .js .reveal{ opacity:1; transform:none; }
}