/* =========================================================
   MASSER — Sistema de diseño
   Paleta tomada de los brochures + logo (navy + plata)
   Acentos por sector: casas (turquesa) · oficinas (dorado) · colegios (verde)
   Tipografías: Jost (display) + Hanken Grotesk (texto)
   ========================================================= */

:root{
  --navy:        #26313a;
  --navy-2:      #2d3a44;
  --navy-3:      #1c252c;
  --ink:         #161d23;
  --panel:       #2a363f;

  --cream:       #e8e4da;
  --silver:      #c7cdd3;
  --silver-2:    #9aa1a8;

  --text:        #e2e6ea;
  --muted:       #97a2ab;
  --line:        rgba(255,255,255,.10);
  --line-strong: rgba(255,255,255,.18);

  --teal:        #3fa9bc;
  --gold:        #c4974d;
  --green:       #6ba368;

  --accent:      var(--silver);   /* por defecto, se sobreescribe por página */
  --accent-soft: rgba(199,205,211,.14);

  --maxw: 1200px;
  --r: 14px;
  --shadow: 0 24px 60px -24px rgba(0,0,0,.55);
  --ease: cubic-bezier(.22,.61,.36,1);

  --font-display: 'Jost', sans-serif;
  --font-body: 'Hanken Grotesk', sans-serif;
}

body.acc-teal   { --accent: var(--teal);  --accent-soft: rgba(63,169,188,.16); }
body.acc-gold   { --accent: var(--gold);  --accent-soft: rgba(196,151,77,.16); }
body.acc-green  { --accent: var(--green); --accent-soft: rgba(107,163,104,.16); }

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  font-family:var(--font-body);
  background:var(--navy);
  color:var(--text);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
::selection{ background:var(--accent); color:var(--ink); }

.wrap{ width:min(100% - 44px, var(--maxw)); margin-inline:auto; }
section{ position:relative; }

/* ---------- Tipografía ---------- */
h1,h2,h3{ font-family:var(--font-display); font-weight:400; line-height:1.08; letter-spacing:-.01em; }
.display{ font-size:clamp(2.6rem, 6vw, 5rem); font-weight:300; }
h2.section-title{ font-size:clamp(2rem, 4vw, 3.1rem); font-weight:300; color:#fff; }
h3{ font-weight:500; }

.eyebrow{
  display:inline-flex; align-items:center; gap:.7rem;
  font-family:var(--font-body);
  text-transform:uppercase; letter-spacing:.28em; font-size:.74rem; font-weight:600;
  color:var(--accent);
}
.eyebrow::before{ content:""; width:34px; height:1px; background:var(--accent); opacity:.7; }
.lead{ color:var(--muted); font-size:1.08rem; max-width:62ch; }
.rule{ width:64px; height:2px; background:var(--accent); margin:18px 0 0; border:none; }

/* ---------- Botones ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.6rem;
  font-family:var(--font-body); font-weight:600; font-size:.95rem;
  padding:.92rem 1.6rem; border-radius:50px; cursor:pointer;
  border:1px solid transparent; transition:.3s var(--ease);
  letter-spacing:.01em;
}
.btn-primary{ background:var(--accent); color:var(--ink); }
.btn-primary:hover{ filter:brightness(1.08); transform:translateY(-2px); box-shadow:0 14px 30px -12px var(--accent); }
.btn-ghost{ background:transparent; color:#fff; border-color:var(--line-strong); }
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent); transform:translateY(-2px); }
.btn-line{ padding-inline:0; border-radius:0; background:none; color:var(--accent); border-bottom:1px solid transparent; }
.btn-line:hover{ gap:1rem; }
.btn .arr{ transition:transform .3s var(--ease); }
.btn:hover .arr{ transform:translateX(4px); }

/* ---------- Decoración de grilla (motivo de los brochures) ---------- */
.grid-lines{ position:absolute; inset:0; pointer-events:none; z-index:0;
  background-image:
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:25% 100%, 50% 100%;
  background-position:0 0, 0 0;
  opacity:.5;
}

/* =========================================================
   NAV
   ========================================================= */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:18px clamp(22px,4vw,46px);
  transition:.35s var(--ease);
}
.nav.scrolled{
  background:rgba(28,37,44,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  padding-top:12px; padding-bottom:12px;
}
.nav .logo{ display:flex; align-items:center; }
.nav .logo img{ height:42px; width:auto; transition:.3s var(--ease); }
.nav.scrolled .logo img{ height:36px; }
.nav-links{ display:flex; align-items:center; gap:2rem; }
.nav-links a{
  font-size:.93rem; font-weight:500; color:var(--text); position:relative; padding:.3rem 0;
  letter-spacing:.01em;
}
.nav-links a::after{ content:""; position:absolute; left:0; bottom:-2px; height:1.5px; width:0; background:var(--accent); transition:width .3s var(--ease); }
.nav-links a:hover::after, .nav-links a.active::after{ width:100%; }
.nav-links a:hover{ color:#fff; }
.nav-cta{ margin-left:.4rem; }

.hamburger{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; z-index:120; }
.hamburger span{ width:26px; height:2px; background:#fff; transition:.3s var(--ease); border-radius:2px; }
body.menu-open .hamburger span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
body.menu-open .hamburger span:nth-child(2){ opacity:0; }
body.menu-open .hamburger span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

.drawer{
  position:fixed; inset:0 0 0 auto; width:min(82vw,360px); z-index:110;
  background:var(--navy-3); border-left:1px solid var(--line);
  transform:translateX(100%); transition:transform .4s var(--ease);
  display:flex; flex-direction:column; padding:96px 32px 32px; gap:.4rem;
}
body.menu-open .drawer{ transform:translateX(0); }
.drawer a{ font-family:var(--font-display); font-size:1.5rem; font-weight:300; padding:.6rem 0; border-bottom:1px solid var(--line); color:var(--text); }
.drawer a:hover{ color:var(--accent); padding-left:.4rem; }
.drawer .btn{ margin-top:1.4rem; justify-content:center; }
.scrim{ position:fixed; inset:0; background:rgba(10,14,17,.6); z-index:105; opacity:0; visibility:hidden; transition:.35s; backdrop-filter:blur(2px); }
body.menu-open .scrim{ opacity:1; visibility:visible; }

/* =========================================================
   HERO
   ========================================================= */
.hero{ position:relative; min-height:100svh; display:flex; align-items:flex-end; color:#fff; overflow:hidden; }
.hero-bg{ position:absolute; inset:0; z-index:0; }
.hero-bg img{ width:100%; height:100%; object-fit:cover; }
.hero-bg::after{ content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(22,29,35,.62) 0%, rgba(22,29,35,.28) 38%, rgba(22,29,35,.85) 100%);
}
.hero .wrap{ position:relative; z-index:2; padding-bottom:clamp(40px,9vh,110px); padding-top:140px; }
.hero h1{ margin:1.2rem 0 1.3rem; max-width:16ch; }
.hero h1 em{ font-style:normal; color:var(--silver);
  background:linear-gradient(180deg,#eef1f4,#9aa1a8); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.hero p{ max-width:54ch; color:#dfe3e7; font-size:1.12rem; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:1rem; margin-top:2.2rem; }

.stats{ display:flex; flex-wrap:wrap; gap:clamp(28px,6vw,80px);
  margin-top:clamp(40px,7vh,72px); padding-top:32px; border-top:1px solid var(--line-strong); }
.stat .n{ font-family:var(--font-display); font-size:clamp(2.2rem,4vw,3rem); font-weight:300; color:#fff; line-height:1; }
.stat .n span{ color:var(--accent); }
.stat .l{ color:var(--muted); font-size:.92rem; margin-top:.4rem; }

/* =========================================================
   SECTION SHELL
   ========================================================= */
.s{ padding:clamp(72px,11vh,140px) 0; }
.s-head{ max-width:760px; margin-bottom:clamp(40px,6vh,68px); }
.s-head .section-title{ margin-top:1rem; }
.s-head .lead{ margin-top:1.2rem; }
.bg-2{ background:var(--navy-2); }
.bg-3{ background:var(--navy-3); }

/* ---------- Nosotros ---------- */
.about{ display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(36px,5vw,72px); align-items:center; }
.about-media{ position:relative; }
.about-media .m1{ border-radius:var(--r); box-shadow:var(--shadow); aspect-ratio:4/3; object-fit:cover; width:100%; }
.about-media .m2{ position:absolute; right:-6%; bottom:-14%; width:46%; border-radius:12px;
  border:5px solid var(--navy); box-shadow:var(--shadow); aspect-ratio:3/4; object-fit:cover; }
.about-media .badge{ position:absolute; left:-6%; top:-8%; background:var(--accent); color:var(--ink);
  font-family:var(--font-display); padding:14px 18px; border-radius:12px; box-shadow:var(--shadow); }
.about-media .badge b{ font-size:1.7rem; font-weight:500; display:block; line-height:1; }
.about-media .badge small{ font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; opacity:.8; }
.feature-list{ list-style:none; margin:2rem 0; display:grid; gap:1.1rem; }
.feature-list li{ display:flex; gap:1rem; align-items:flex-start; padding-bottom:1.1rem; border-bottom:1px solid var(--line); }
.feature-list .ic{ flex:none; width:42px; height:42px; border-radius:10px; background:var(--accent-soft); color:var(--accent);
  display:grid; place-items:center; }
.feature-list h3{ font-size:1.05rem; color:#fff; margin-bottom:.15rem; }
.feature-list p{ color:var(--muted); font-size:.96rem; }

/* ---------- Sectores ---------- */
.sectors{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.sector-card{ background:var(--panel); border:1px solid var(--line); border-radius:var(--r); overflow:hidden;
  display:flex; flex-direction:column; transition:.4s var(--ease); position:relative; }
.sector-card::before{ content:""; position:absolute; top:0; left:0; right:0; height:3px; background:var(--ac); z-index:3; }
.sector-card.t{ --ac:var(--teal); } .sector-card.g{ --ac:var(--gold); } .sector-card.v{ --ac:var(--green); }
.sector-card:hover{ transform:translateY(-8px); border-color:var(--line-strong); box-shadow:var(--shadow); }
.sector-figure{ aspect-ratio:16/11; overflow:hidden; }
.sector-figure img{ width:100%; height:100%; object-fit:cover; transition:transform .6s var(--ease); }
.sector-card:hover .sector-figure img{ transform:scale(1.06); }
.sector-body{ padding:26px 26px 28px; display:flex; flex-direction:column; flex:1; }
.sector-tag{ font-size:.72rem; text-transform:uppercase; letter-spacing:.2em; color:var(--ac); font-weight:700; }
.sector-body h3{ font-size:1.45rem; color:#fff; margin:.5rem 0 .7rem; }
.sector-body p{ color:var(--muted); font-size:.97rem; flex:1; }
.sector-links{ display:flex; align-items:center; justify-content:space-between; gap:1rem; margin-top:1.5rem; padding-top:1.2rem; border-top:1px solid var(--line); }
.sector-links .go{ color:#fff; font-weight:600; font-size:.92rem; display:inline-flex; gap:.4rem; align-items:center; }
.sector-card:hover .go{ color:var(--ac); }
.pdf-pill{ display:inline-flex; align-items:center; gap:.45rem; font-size:.8rem; font-weight:600; color:var(--ac);
  border:1px solid var(--ac); padding:.4rem .8rem; border-radius:50px; transition:.3s var(--ease); }
.pdf-pill:hover{ background:var(--ac); color:var(--ink); }

/* ---------- Por qué (numerado) ---------- */
.why{ display:grid; grid-template-columns:repeat(4,1fr); gap:2px; background:var(--line); border:1px solid var(--line); border-radius:var(--r); overflow:hidden; }
.why-item{ background:var(--navy-2); padding:34px 28px 38px; transition:.35s var(--ease); }
.why-item:hover{ background:var(--panel); }
.why-num{ font-family:var(--font-display); font-size:2.4rem; font-weight:300; color:var(--accent); opacity:.55; }
.why-item h3{ font-size:1.18rem; color:#fff; margin:.8rem 0 .6rem; }
.why-item p{ color:var(--muted); font-size:.95rem; }

/* ---------- Testimonios ---------- */
.tcards{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; align-items:start; }
.tcard{ background:var(--panel); border:1px solid var(--line); border-radius:var(--r); padding:30px; position:relative; }
.tcard .quote{ font-family:var(--font-display); font-size:3.4rem; line-height:.6; color:var(--accent); opacity:.4; height:24px; }
.stars{ color:var(--gold); letter-spacing:2px; font-size:.95rem; margin:.4rem 0 1rem; }
.tcard p{ color:var(--text); font-size:.98rem; }
.tauthor{ display:flex; align-items:center; gap:.9rem; margin-top:1.4rem; padding-top:1.2rem; border-top:1px solid var(--line); }
.tauthor .av{ width:46px; height:46px; border-radius:50%; background:var(--accent-soft); color:var(--accent);
  display:grid; place-items:center; font-family:var(--font-display); font-weight:500; flex:none; }
.tauthor b{ display:block; color:#fff; font-weight:600; font-size:.96rem; }
.tauthor small{ color:var(--muted); font-size:.82rem; }

/* =========================================================
   PÁGINAS DE PROYECTO
   ========================================================= */
.page-hero{ position:relative; min-height:62vh; display:flex; align-items:flex-end; color:#fff; overflow:hidden; }
.page-hero .hero-bg::after{ background:linear-gradient(180deg, rgba(22,29,35,.55), rgba(22,29,35,.9)); }
.page-hero .wrap{ position:relative; z-index:2; padding:160px 0 56px; }
.page-hero h1{ font-size:clamp(2.4rem,5vw,4rem); font-weight:300; margin:1rem 0 1rem; }
.crumbs{ font-size:.85rem; color:var(--muted); }
.crumbs a:hover{ color:var(--accent); }
.crumbs span{ color:var(--accent); }

.proj-intro{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(34px,5vw,70px); align-items:start; }
.scope{ list-style:none; display:grid; grid-template-columns:1fr 1fr; gap:.7rem 1.4rem; margin-top:.6rem; }
.scope li{ display:flex; gap:.6rem; align-items:flex-start; color:var(--text); font-size:.96rem; }
.scope li::before{ content:""; flex:none; width:7px; height:7px; margin-top:.55rem; background:var(--accent); border-radius:2px; transform:rotate(45deg); }

.gallery{ columns:3; column-gap:18px; }
.gallery img{ width:100%; border-radius:10px; margin-bottom:18px; border:1px solid var(--line); break-inside:avoid; transition:.4s var(--ease); }
.gallery img:hover{ transform:scale(1.015); border-color:var(--accent); }

.brochure-cta{ background:var(--panel); border:1px solid var(--line-strong); border-radius:var(--r);
  padding:clamp(34px,5vw,56px); display:flex; align-items:center; justify-content:space-between; gap:2rem; flex-wrap:wrap;
  position:relative; overflow:hidden; }
.brochure-cta::after{ content:""; position:absolute; right:-40px; top:-40px; width:200px; height:200px;
  background:var(--accent); opacity:.10; border-radius:50%; filter:blur(8px); }
.brochure-cta h3{ font-size:clamp(1.5rem,3vw,2.1rem); color:#fff; font-weight:300; }
.brochure-cta p{ color:var(--muted); margin-top:.4rem; }

/* =========================================================
   CONTACTO
   ========================================================= */
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:clamp(34px,5vw,64px); align-items:start; }
.contact-info{ display:grid; gap:1.3rem; }
.cinfo{ display:flex; gap:1rem; align-items:flex-start; }
.cinfo .ic{ flex:none; width:46px; height:46px; border-radius:12px; background:var(--accent-soft); color:var(--accent); display:grid; place-items:center; }
.cinfo b{ display:block; color:#fff; font-size:.95rem; }
.cinfo a, .cinfo span{ color:var(--muted); font-size:.96rem; }
.cinfo a:hover{ color:var(--accent); }
.wa-btn{ margin-top:.5rem; background:#25d366; color:#06351b; }
.wa-btn:hover{ filter:brightness(1.05); transform:translateY(-2px); box-shadow:0 14px 30px -12px #25d366; }

.form-card{ background:var(--panel); border:1px solid var(--line); border-radius:var(--r); padding:clamp(26px,3.5vw,42px); box-shadow:var(--shadow); }
.field{ margin-bottom:1.05rem; }
.field label{ display:block; font-size:.8rem; font-weight:600; letter-spacing:.04em; color:var(--muted); margin-bottom:.45rem; text-transform:uppercase; }
.field input, .field select, .field textarea{
  width:100%; background:var(--navy-3); border:1px solid var(--line); border-radius:10px;
  color:#fff; font-family:var(--font-body); font-size:1rem; padding:.85rem 1rem; transition:.25s var(--ease);
}
.field textarea{ resize:vertical; min-height:120px; }
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-soft); }
.field select{ appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%2397a2ab' stroke-width='2'%3E%3Cpath d='M3 5l4 4 4-4'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 1rem center; }
.row2{ display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
.form-card .btn-primary{ width:100%; justify-content:center; margin-top:.4rem; }
.form-note{ font-size:.8rem; color:var(--muted); margin-top:.9rem; text-align:center; }
.form-msg{ display:none; padding:1rem; border-radius:10px; margin-bottom:1rem; font-size:.95rem; }
.form-msg.ok{ display:block; background:rgba(107,163,104,.16); border:1px solid var(--green); color:#d6ecd5; }
.form-msg.err{ display:block; background:rgba(220,90,90,.14); border:1px solid #d06a6a; color:#f3d4d4; }

/* CTA band */
.cta-band{ background:linear-gradient(120deg,var(--navy-3),var(--panel)); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.cta-band .wrap{ display:flex; align-items:center; justify-content:space-between; gap:2rem; flex-wrap:wrap; padding:clamp(48px,7vh,80px) 22px; }
.cta-band h2{ font-size:clamp(1.8rem,3.4vw,2.8rem); color:#fff; font-weight:300; max-width:20ch; }

/* =========================================================
   FOOTER
   ========================================================= */
.footer{ background:var(--ink); border-top:1px solid var(--line); padding:clamp(56px,8vh,84px) 0 28px; }
.footer-top{ display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:clamp(30px,5vw,64px); }
.footer .logo img{ height:64px; margin-bottom:1.2rem; }
.footer p{ color:var(--muted); font-size:.95rem; max-width:42ch; }
.footer h4{ font-family:var(--font-body); font-size:.78rem; text-transform:uppercase; letter-spacing:.18em; color:var(--silver-2); margin-bottom:1.1rem; }
.footer ul{ list-style:none; display:grid; gap:.6rem; }
.footer ul a{ color:var(--muted); font-size:.95rem; }
.footer ul a:hover{ color:var(--accent); }
.foot-contact{ display:grid; gap:.5rem; margin-top:1.2rem; }
.foot-contact a{ color:var(--muted); font-size:.95rem; }
.foot-contact a:hover{ color:#fff; }
.footer-bot{ display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap; margin-top:clamp(40px,6vh,60px); padding-top:24px; border-top:1px solid var(--line); color:var(--silver-2); font-size:.85rem; }

/* WhatsApp float */
.wa-float{ position:fixed; right:22px; bottom:22px; z-index:90; width:58px; height:58px; border-radius:50%;
  background:#25d366; display:grid; place-items:center; box-shadow:0 12px 28px -8px rgba(37,211,102,.6); transition:.3s var(--ease); }
.wa-float:hover{ transform:scale(1.08) translateY(-2px); }
.wa-float svg{ width:30px; height:30px; }

/* ---------- Reveal ---------- */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in{ opacity:1; transform:none; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:980px){
  .sectors{ grid-template-columns:1fr; max-width:480px; margin-inline:auto; }
  .why{ grid-template-columns:1fr 1fr; }
  .tcards{ grid-template-columns:1fr; max-width:560px; margin-inline:auto; }
  .about{ grid-template-columns:1fr; }
  .about-media{ max-width:520px; margin:0 auto 2.5rem; }
  .contact-grid{ grid-template-columns:1fr; }
  .proj-intro{ grid-template-columns:1fr; }
  .gallery{ columns:2; }
  .footer-top{ grid-template-columns:1fr 1fr; }
}
@media (max-width:680px){
  .nav-links{ display:none; }
  .hamburger{ display:flex; }
  .why{ grid-template-columns:1fr; }
  .row2{ grid-template-columns:1fr; }
  .scope{ grid-template-columns:1fr; }
  .gallery{ columns:1; }
  .footer-top{ grid-template-columns:1fr; }
  .about-media .m2{ display:none; }
  body{ font-size:16px; }
}