/* =====================================================================
   Proyectos & Amoblados FR S.A.C. — Hoja de estilos
   Sistema visual corporativo industrial. Desktop-first (min 1280px).
   Acento naranja limitado (~10%) sobre base grafito/hueso.
   ===================================================================== */

/* ---- Tokens ---- */
:root{
  /* Marca / acento */
  --orange:#F15A22;
  --orange-hover:#C8481A;
  --wa:#25D366;
  --wa-hover:#1EB258;

  /* Neutros claros */
  --white:#FFFFFF;
  --canvas:#F4F2EF;
  --line:#E1DDD6;

  /* Tinta / oscuros */
  --ink:#17181A;
  --graphite-900:#101112;
  --graphite-800:#1E2022;
  --line-dark:#2A2C2E;

  /* Texto */
  --text:#3A3D42;
  --muted:#6B7078;
  --on-dark:#C7CACE;
  --on-dark-sm:#A7ACB2;

  /* Forma */
  --radius:4px;
  --radius-sm:2px;
  --shadow:0 1px 2px rgba(20,20,20,.08);
  --shadow-md:0 8px 24px -12px rgba(20,20,20,.18);

  /* Layout */
  --maxw:1240px;
  --pad:40px;
  --header-h:84px;
}

/* ---- Reset ---- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:'Poppins',sans-serif;color:var(--ink);line-height:1.1;letter-spacing:-.01em;font-weight:700}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px}

/* ---- Utilidades de layout ---- */
.svg-sprite{position:absolute}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}

/* Evita desbordes horizontales: los items de grid/flex deben poder encoger */
.hero-grid>*,.about-grid>*,.spec-grid>*,.contact-grid>*,.cred-grid>*,.serv-grid>*,.why-grid>*{min-width:0}
.panel-note>div,.ci>div,.spec-doc>div,.about-points li>div,.cred-seal .seal-head>div{min-width:0}
h1,h2,h3{overflow-wrap:break-word}
.panel-note span,.ci small,.ci b{overflow-wrap:anywhere}
.section{padding:96px 0;scroll-margin-top:calc(var(--header-h) + 12px)}
.section--canvas{background:var(--canvas)}
.section--dark{background:var(--ink);color:var(--on-dark)}

/* Skip link accesibilidad */
.skip-link{
  position:absolute;left:-999px;top:0;z-index:200;
  background:var(--ink);color:#fff;padding:12px 18px;border-radius:var(--radius-sm);
  font-family:'Poppins',sans-serif;font-weight:600;
}
.skip-link:focus{left:16px;top:16px}

/* ---- Eyebrow / índice de sección ---- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'Poppins',sans-serif;font-weight:600;
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--text);
}
.section--dark .eyebrow{color:var(--on-dark)}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--orange);flex:0 0 auto}
.sec-index{
  font-family:'Poppins',sans-serif;font-weight:600;font-size:.78rem;letter-spacing:.1em;
  color:var(--muted);
}
.sec-index b{color:var(--orange)}

.sec-head{max-width:760px;margin-bottom:56px}
.sec-head h2{font-size:2.2rem;margin:14px 0 14px}
.sec-head p{color:var(--text);font-size:1.05rem;max-width:680px}
.section--dark .sec-head p{color:var(--on-dark)}

/* ---- Botones ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:'Poppins',sans-serif;font-weight:600;font-size:.95rem;
  padding:14px 26px;border-radius:var(--radius-sm);border:1.5px solid transparent;
  transition:background .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn svg{flex:0 0 auto}
.btn--primary{background:var(--orange);color:#fff}
.btn--primary:hover{background:var(--orange-hover)}
.btn--ink{background:var(--ink);color:#fff}
.btn--ink:hover{background:#000}
.btn--wa{background:var(--wa);color:#0a3d1f}
.btn--wa:hover{background:var(--wa-hover)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--ink)}
.btn--wa-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--wa-ghost:hover{border-color:var(--wa);color:var(--wa-hover)}
.section--dark .btn--ghost{color:#fff;border-color:var(--line-dark)}
.section--dark .btn--ghost:hover{border-color:#fff}

/* =====================================================================
   HEADER
   ===================================================================== */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:var(--white);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(0,0,0,.02)}
.nav{display:flex;align-items:center;height:var(--header-h);gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand .brand-mark{
  width:44px;height:44px;flex:0 0 44px;object-fit:contain;display:block;
}
.brand b{font-family:'Poppins',sans-serif;font-weight:700;font-size:1rem;color:var(--ink);white-space:nowrap}
.brand b i{color:var(--orange);font-style:normal}
.nav-links{display:flex;flex:1;justify-content:center;gap:28px}
.nav-links a{
  font-family:'Inter',sans-serif;font-weight:500;font-size:.94rem;color:var(--text);
  padding:6px 0;position:relative;
}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--orange);transition:width .22s ease}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.is-active::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-cta .btn{padding:11px 20px;font-size:.9rem}
.nav-link-wa{display:none}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;flex:0 0 auto}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--ink);transition:transform .25s ease, opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* =====================================================================
   HERO
   ===================================================================== */
.hero{
  padding:calc(var(--header-h) + 72px) 0 84px;
  background:var(--canvas);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center}
.hero-copy .eyebrow{margin-bottom:22px}
.hero h1{font-size:3rem;line-height:1.05}
.hero .lead{font-size:1.15rem;color:var(--text);margin:22px 0 4px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-facts{display:flex;gap:40px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line)}
.hero-facts .fact b{
  display:block;font-family:'Poppins',sans-serif;font-weight:700;font-size:1.7rem;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1;
}
.hero-facts .fact b::before{content:"";display:block;width:24px;height:2px;background:var(--orange);margin-bottom:12px}
.hero-facts .fact span{font-size:.85rem;color:var(--muted)}

/* Imagen del hero con sello superpuesto */
.hero-media{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-md)}
.hero-media img{width:100%;height:100%;aspect-ratio:4/3.4;object-fit:cover;display:block}
.hero-badge{
  position:absolute;left:16px;bottom:16px;right:16px;
  display:flex;align-items:center;gap:12px;
  background:rgba(23,24,26,.86);backdrop-filter:blur(2px);
  border:1px solid var(--line-dark);border-radius:var(--radius-sm);padding:12px 16px;
}
.hero-badge .seal{
  width:40px;height:40px;flex:0 0 40px;border-radius:var(--radius-sm);
  background:var(--graphite-800);border:1px solid var(--line-dark);display:grid;place-items:center;color:var(--orange);
}
.hero-badge b{font-family:'Poppins',sans-serif;color:#fff;font-size:.9rem;display:block;line-height:1.2}
.hero-badge span{font-size:.78rem;color:var(--on-dark-sm)}

/* =====================================================================
   TRUST BAR
   ===================================================================== */
.trust{background:var(--ink);color:#fff;padding:0}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-grid .t{padding:34px 32px;border-left:1px solid var(--line-dark)}
.trust-grid .t:first-child{border-left:0}
.trust-grid .t b{
  display:block;font-family:'Poppins',sans-serif;font-weight:600;font-size:1.7rem;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1;
}
.trust-grid .t b::before{content:"";display:block;width:24px;height:2px;background:var(--orange);margin-bottom:14px}
.trust-grid .t span{font-size:.85rem;color:var(--on-dark-sm)}

/* =====================================================================
   NOSOTROS
   ===================================================================== */
.about-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start}
.about-copy h2{font-size:2.2rem;margin:14px 0 20px}
.about-copy p{margin-bottom:16px}
.about-points{display:grid;gap:14px;margin-top:26px}
.about-points li{display:flex;gap:12px;align-items:flex-start}
.about-points .ic{
  flex:0 0 26px;width:26px;height:26px;border-radius:var(--radius-sm);
  background:var(--canvas);border:1px solid var(--line);display:grid;place-items:center;color:var(--ink);margin-top:2px;
}
.about-points b{font-family:'Poppins',sans-serif;font-weight:600;color:var(--ink)}

.mv-stack{display:grid;gap:20px}
.mv{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.mv .mv-tag{
  display:inline-flex;align-items:center;gap:10px;font-family:'Poppins',sans-serif;font-weight:600;
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--text);margin-bottom:14px;
}
.mv .mv-tag .ic{width:34px;height:34px;border-radius:var(--radius-sm);background:var(--canvas);border:1px solid var(--line);display:grid;place-items:center;color:var(--ink)}
.mv p{color:var(--text);font-size:.98rem}

/* =====================================================================
   SERVICIOS
   ===================================================================== */
.serv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.serv-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.serv-img{aspect-ratio:16/10;overflow:hidden;background:var(--canvas)}
.serv-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.serv-card:hover .serv-img img{transform:scale(1.04)}
.serv-body{padding:26px 28px 30px;position:relative}
.serv-card .serv-ic{
  width:48px;height:48px;border-radius:var(--radius);background:var(--white);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink);margin:-50px 0 18px;box-shadow:var(--shadow);
}
.serv-card.is-featured .serv-ic{color:var(--orange)}
.serv-card h3{font-size:1.25rem;margin-bottom:14px}
.serv-card ul{display:grid;gap:10px}
.serv-card li{position:relative;padding-left:20px;color:var(--text);font-size:.94rem}
.serv-card li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:2px;background:var(--orange)}
.serv-foot{margin-top:44px}

/* =====================================================================
   GALERÍA — Lo que fabricamos
   ===================================================================== */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:220px;gap:16px}
.g-item{position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line)}
.g-item.g-lg{grid-column:span 2;grid-row:span 1}
.g-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease}
.g-item:hover img{transform:scale(1.05)}
.g-item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:34px 18px 16px;
  background:linear-gradient(to top, rgba(16,17,18,.92), rgba(16,17,18,0));
}
.g-item figcaption b{font-family:'Poppins',sans-serif;font-weight:600;font-size:1rem;color:#fff;display:block;padding-left:12px;border-left:2px solid var(--orange);line-height:1.15}
.g-item figcaption span{display:block;padding-left:12px;font-size:.82rem;color:var(--on-dark);margin-top:2px}

/* =====================================================================
   POR QUÉ ELEGIRNOS
   ===================================================================== */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);border-radius:var(--radius);overflow:hidden;margin-bottom:56px}
.why-card{background:var(--graphite-800);padding:36px 32px}
.why-card .why-n{font-family:'Poppins',sans-serif;font-weight:700;font-size:1.1rem;color:#fff;font-variant-numeric:tabular-nums}
.why-card .why-n::after{content:"";display:block;width:28px;height:2px;background:var(--orange);margin:14px 0 20px}
.why-card h3{color:#fff;font-size:1.3rem;margin-bottom:10px}
.why-card p{color:var(--on-dark);font-size:.95rem}

.values{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.value .ic{width:44px;height:44px;border-radius:var(--radius);background:var(--canvas);border:1px solid var(--line);display:grid;place-items:center;color:var(--ink);margin-bottom:14px}
.value b{font-family:'Poppins',sans-serif;font-weight:600;font-size:.98rem;color:var(--ink);display:block;margin-bottom:4px}
.value span{font-size:.85rem;color:var(--muted)}

/* =====================================================================
   PROCESO
   ===================================================================== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.step{border-top:2px solid var(--ink);padding-top:22px}
.step .step-n{font-family:'Poppins',sans-serif;font-weight:700;font-size:1rem;color:var(--orange);font-variant-numeric:tabular-nums}
.step h3{font-size:1.2rem;margin:8px 0 10px}
.step p{color:var(--text);font-size:.94rem}

/* =====================================================================
   CAPACIDAD / FICHA TÉCNICA
   ===================================================================== */
/* Eyebrow de sección a ancho completo: alinea el título (izq) con la tabla (der) */
.spec-eyebrow{display:inline-block;margin-bottom:18px}
.spec-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:56px;align-items:stretch}
.spec-copy{display:flex;flex-direction:column}
.spec-copy h2{font-size:2.2rem;margin:0 0 18px}
.spec-copy p{margin-bottom:16px}
/* La imagen crece para llenar el alto de la columna y alinear con la derecha */
.spec-img{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-top:6px;flex:1;min-height:280px}
.spec-img img{width:100%;height:100%;object-fit:cover;display:block}
.spec-side{display:flex;flex-direction:column}
.spec-doc{
  margin-top:24px;display:flex;align-items:center;gap:14px;background:var(--canvas);
  border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;
}
.spec-doc .ic{width:44px;height:44px;flex:0 0 44px;border-radius:var(--radius-sm);background:var(--white);border:1px solid var(--line);display:grid;place-items:center;color:var(--orange)}
.spec-doc b{font-family:'Poppins',sans-serif;font-size:.95rem;color:var(--ink);display:block}
.spec-doc span{font-size:.85rem;color:var(--muted)}

.spec-table{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.spec-table .row{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);border-top:1px solid var(--line)}
.spec-table .row:first-child{border-top:0}
.spec-table dt{padding:16px 22px;font-family:'Poppins',sans-serif;font-weight:600;font-size:.86rem;color:var(--muted);background:var(--canvas);border-right:1px solid var(--line)}
.spec-table dd{padding:16px 22px;font-size:.94rem;color:var(--ink)}
.spec-table .todo{color:var(--muted);font-style:italic}

/* =====================================================================
   CLIENTES / HOMOLOGACIÓN
   ===================================================================== */
.cred-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:48px;box-shadow:var(--shadow)}
.cred-copy h2{font-size:1.8rem;margin:12px 0 14px}
.cred-copy p{margin-bottom:16px}
.cred-client{display:inline-flex;align-items:baseline;gap:12px;border:1px solid var(--line);border-radius:var(--radius);padding:16px 22px}
.cred-client b{font-family:'Poppins',sans-serif;font-weight:700;font-size:1.15rem;color:var(--ink);letter-spacing:.02em}
.cred-client span{font-size:.78rem;color:var(--muted)}
.cred-seal{border:1px solid var(--line);border-left:3px solid var(--orange);border-radius:var(--radius);padding:26px 28px;background:var(--canvas)}
.cred-seal .seal-head{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.cred-seal .seal-ic{width:48px;height:48px;flex:0 0 48px;border-radius:var(--radius-sm);background:var(--ink);color:var(--orange);display:grid;place-items:center}
.cred-seal b{font-family:'Poppins',sans-serif;font-size:1.02rem;color:var(--ink);display:block}
.cred-seal .seal-head span{font-size:.82rem;color:var(--muted)}
.cred-seal p{font-size:.88rem;color:var(--text);margin:0}
.cred-score{display:flex;align-items:center;gap:16px;margin:16px 0 14px;padding:14px 16px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}
.cred-score .score-num{font-family:'Poppins',sans-serif;font-weight:700;font-size:2.2rem;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.cred-score .score-num small{font-size:1rem;color:var(--muted);font-weight:600}
.cred-score .score-tag b{font-family:'Poppins',sans-serif;font-size:1rem;color:var(--orange);display:block;text-transform:uppercase;letter-spacing:.04em}
.cred-score .score-tag span{font-size:.8rem;color:var(--muted)}

/* =====================================================================
   CONTACTO
   ===================================================================== */
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:56px;align-items:start}
.contact-copy h2{color:#fff;font-size:2.2rem;margin:14px 0 16px}
.contact-copy .lead{color:var(--on-dark);font-size:1.05rem;margin-bottom:32px}
.contact-list{display:grid;gap:14px}
.ci{display:flex;align-items:center;gap:16px;background:var(--graphite-800);border:1px solid var(--line-dark);border-radius:var(--radius);padding:16px 20px;transition:border-color .2s ease}
.ci:hover{border-color:var(--orange)}
.ci .ic{width:44px;height:44px;flex:0 0 44px;border-radius:var(--radius-sm);background:var(--graphite-900);color:var(--orange);display:grid;place-items:center}
.ci small{display:block;color:var(--on-dark-sm);font-size:.75rem;text-transform:uppercase;letter-spacing:.08em}
.ci b{font-family:'Poppins',sans-serif;font-weight:600;font-size:1rem;color:#fff}

.contact-card{background:var(--white);color:var(--text);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow-md)}
.contact-card h3{font-size:1.35rem;margin-bottom:6px}
.contact-card>p{color:var(--muted);font-size:.92rem;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-family:'Poppins',sans-serif;font-weight:600;font-size:.8rem;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-family:'Inter',sans-serif;font-size:.95rem;color:var(--ink);background:var(--white);transition:border-color .18s ease, box-shadow .18s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(241,90,34,.12)}
.field textarea{resize:vertical;min-height:92px}
.contact-card .actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:6px}
.contact-card .actions .btn{width:100%}
/* La tarjeta es blanca aunque esté en una sección oscura: el botón ghost usa tinta */
.contact-card .btn--ghost{color:var(--ink);border-color:var(--line)}
.contact-card .btn--ghost:hover{border-color:var(--ink);background:var(--canvas)}
.form-note{font-size:.78rem;color:var(--muted);margin-top:14px}
.form-status{font-size:.9rem;margin-top:12px;font-family:'Poppins',sans-serif;font-weight:600}
.form-status.ok{color:#1f7a3d}
.form-status.err{color:#c0341a}

/* =====================================================================
   FOOTER
   ===================================================================== */
.site-footer{background:var(--graphite-900);color:var(--on-dark);padding:64px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:48px;padding-bottom:40px;border-bottom:1px solid var(--line-dark)}
.foot-brand .brand b{color:#fff}
.foot-brand p{margin-top:16px;font-size:.92rem;max-width:360px}
.foot-legal{margin-top:18px;font-size:.85rem;color:var(--on-dark-sm)}
.foot-legal b{color:var(--on-dark)}
.foot-col h4{color:#fff;font-family:'Poppins',sans-serif;font-size:.95rem;margin-bottom:16px;font-weight:600}
.foot-col a,.foot-col p{display:block;font-size:.9rem;margin-bottom:10px;color:var(--on-dark)}
.foot-col a:hover{color:var(--orange)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:22px;font-size:.84rem;color:var(--on-dark-sm)}
.badge-invoice{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line-dark);border-radius:var(--radius-sm);padding:8px 14px;color:var(--on-dark);font-size:.82rem}
.badge-invoice svg{color:var(--orange)}

/* =====================================================================
   WHATSAPP FLOTANTE
   ===================================================================== */
.wa-float{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--wa);color:#0a3d1f;font-family:'Poppins',sans-serif;font-weight:600;font-size:.9rem;
  padding:12px 18px;border-radius:var(--radius);box-shadow:var(--shadow-md);
  transition:background .18s ease;
}
.wa-float:hover{background:var(--wa-hover)}

/* =====================================================================
   REVEAL (progressive enhancement)
   ===================================================================== */
.js .reveal{opacity:0;transform:translateY(8px);transition:opacity .4s ease, transform .4s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* =====================================================================
   REFINAMIENTO EN PANTALLAS GRANDES (desktop-first, base >=1280px)
   ===================================================================== */
@media (min-width:1600px){
  :root{--maxw:1360px}
  .hero h1{font-size:3.3rem}
}

/* =====================================================================
   CAPA RESPONSIVA — tablet y móvil (el diseño base se autora a 1280px)
   ===================================================================== */

/* Laptop pequeña / tablet horizontal: reduce paddings y gutters */
@media (max-width:1279px){
  :root{--pad:28px}
  .hero h1{font-size:2.6rem}
  .sec-head h2,.about-copy h2,.spec-copy h2{font-size:2rem}
}

/* Tablet: colapsa el header a menú y refluye grids a 2 / apilado */
@media (max-width:1024px){
  .section{padding:72px 0}
  .hero{padding:calc(var(--header-h) + 48px) 0 64px}

  /* Header móvil */
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:var(--header-h);left:0;right:0;
    flex-direction:column;justify-content:flex-start;gap:0;
    background:var(--white);border-bottom:1px solid var(--line);
    padding:8px var(--pad) 20px;
    transform:translateY(-140%);transition:transform .3s ease;
    box-shadow:var(--shadow-md);max-height:calc(100vh - var(--header-h));overflow:auto;
  }
  .nav-links.is-open{transform:none}
  .nav-links a{width:100%;padding:15px 0;border-bottom:1px solid var(--line);font-size:1rem}
  .nav-links a::after{display:none}
  .nav-link-wa{display:block;color:var(--wa-hover);font-weight:600}

  /* Grids a una/dos columnas */
  .hero-grid,.about-grid,.spec-grid,.contact-grid,.cred-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:-1;max-width:560px}
  .serv-grid,.why-grid,.steps{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:200px}
  .g-item.g-lg{grid-column:span 2}
  .trust-grid{grid-template-columns:1fr 1fr}
  .trust-grid .t:nth-child(3){border-left:0}
  .values{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .contact-card{padding:28px}
}

/* Móvil */
@media (max-width:640px){
  :root{--pad:20px;--header-h:70px}
  .section{padding:56px 0}
  .hero h1{font-size:2rem}
  .sec-head h2,.about-copy h2,.spec-copy h2,.contact-copy h2{font-size:1.7rem}
  .hero .lead{font-size:1.05rem}

  .hero-cta,.hero-cta .btn{width:100%}
  .hero-facts{flex-wrap:wrap;gap:24px}
  .hero-panel{padding:36px 26px}

  .serv-grid,.why-grid,.steps,.trust-grid,.foot-grid,.form-row,.contact-card .actions{grid-template-columns:1fr}
  .values{grid-template-columns:1fr 1fr;gap:14px}
  .gallery{grid-template-columns:1fr;grid-auto-rows:200px}
  .g-item.g-lg{grid-column:span 1}
  .trust-grid .t{border-left:0;border-top:1px solid var(--line-dark);padding:26px 24px}
  .trust-grid .t:first-child{border-top:0}
  .cred-grid{padding:28px}
  .spec-table dt{font-size:.8rem}
  .foot-bottom{flex-direction:column;gap:8px;align-items:flex-start}
  .wa-float{right:16px;bottom:16px;padding:12px 16px}
  .nav-cta{display:none}
}