/* ==========================
   DESIGN SYSTEM — METALES RIVAS
   ========================== */
:root{
  --copper:#4CAF50;
  --copper-dark:#2E7D32;
  --copper-light:#A5D6A7;
  --steel:#1F2937;
  --steel-soft:#374151;
  --bg:#F5F8F3;
  --bg-alt:#E9F0E4;
  --green:#1B5E20;
  --green-bright:#7CB342;
  --amber:#F59E0B;
  --white:#ffffff;
  --gray:#6B7280;
  --gray-light:#D1D5DB;
  --shadow:0 12px 40px rgba(31,41,55,0.08);
  --shadow-lg:0 24px 60px rgba(31,41,55,0.14);
  --radius:14px;
  --radius-lg:24px;
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--steel);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Bricolage Grotesque',sans-serif;font-weight:700;line-height:1.15;color:var(--steel);letter-spacing:-0.01em}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}
h2{font-size:clamp(1.8rem,3.2vw,2.6rem);margin-bottom:0.5em}
h3{font-size:1.35rem}
p{color:var(--steel-soft)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:90px 0}
.eyebrow{display:inline-block;font-size:0.85rem;font-weight:600;text-transform:uppercase;letter-spacing:0.12em;color:var(--copper);margin-bottom:14px}
/* Botones */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;font-weight:600;font-size:1rem;cursor:pointer;border:none;transition:all .25s ease;white-space:nowrap}
.btn-primary{background:var(--copper);color:#fff;box-shadow:0 8px 20px rgba(76,175,80,0.35)}
.btn-primary:hover{background:var(--copper-dark);transform:translateY(-2px)}
.btn-secondary{background:transparent;color:var(--steel);border:1.5px solid var(--steel)}
.btn-secondary:hover{background:var(--steel);color:#fff}
.btn-ghost{background:rgba(255,255,255,0.12);color:#fff;backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(255,255,255,0.22)}
/* UTILITY BAR */
.utility-bar{background:var(--green);color:#fff;font-size:0.88rem;padding:8px 0}
.utility-bar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.utility-bar a{color:#fff;display:inline-flex;align-items:center;gap:6px;opacity:0.9;transition:opacity .2s}
.utility-bar a:hover{opacity:1;color:var(--green-bright)}
.utility-bar .util-left{display:flex;gap:18px;flex-wrap:wrap}
.utility-bar .util-right{display:flex;gap:14px}
/* HEADER */
header{background:rgba(245,248,243,0.92);position:sticky;top:0;z-index:100;border-bottom:1px solid rgba(31,41,55,0.06);backdrop-filter:blur(12px)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.logo{display:flex;align-items:center;gap:10px;font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:1.35rem;color:var(--steel)}
.logo-mark{width:42px;height:42px;border-radius:10px;background:var(--green);display:flex;align-items:center;justify-content:center;color:var(--green-bright);font-weight:700;box-shadow:0 6px 16px rgba(27,94,32,0.35);border:2px solid var(--green-bright)}
.nav ul{display:flex;list-style:none;gap:30px}
.nav ul a{font-weight:500;font-size:0.95rem;color:var(--steel);position:relative;transition:color .2s}
.nav ul a:hover{color:var(--copper)}
.nav ul a.active{color:var(--copper)}
.nav-cta{display:flex;align-items:center;gap:14px}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;font-size:1.5rem;color:var(--steel)}
/* HERO general */
.hero{position:relative;background:linear-gradient(135deg,var(--green) 0%,#0d3d11 100%);color:#fff;overflow:hidden;padding:100px 0 110px}
.hero::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle at 75% 30%,rgba(76,175,80,0.35),transparent 55%),radial-gradient(circle at 15% 80%,rgba(46,125,50,0.18),transparent 50%);pointer-events:none}
.hero::after{content:'';position:absolute;right:-100px;top:50%;transform:translateY(-50%);width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(76,175,80,0.2) 0%,transparent 70%);pointer-events:none}
.hero .container{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 0.9fr;gap:60px;align-items:center}
.hero-content h1{color:#fff;margin-bottom:22px}
.hero-content h1 span{color:var(--green-bright)}
.hero-content .lead{font-size:1.18rem;color:#ffffff;margin-bottom:32px;max-width:560px;line-height:1.6}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px}
.badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.18);padding:7px 14px;border-radius:999px;font-size:0.85rem;font-weight:500;color:#fff;backdrop-filter:blur(6px)}
.badge::before{content:'✓';color:var(--green-bright);font-weight:700}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-visual{position:relative;aspect-ratio:1/1;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:#222}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-stat{position:absolute;bottom:-30px;left:-30px;background:#fff;color:var(--steel);padding:18px 24px;border-radius:var(--radius);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:14px}
.hero-stat-num{font-family:'Bricolage Grotesque',sans-serif;font-size:2.2rem;font-weight:700;color:var(--copper);line-height:1}
.hero-stat-label{font-size:0.85rem;color:var(--gray);max-width:120px;line-height:1.3}
/* HERO inner pages (más compacto) */
.hero-inner{padding:70px 0 60px}
.hero-inner .container{display:block;text-align:left}
.hero-inner h1{margin-bottom:14px;color:#ffffff}
.hero-inner h1 span{color:var(--green-bright)}
.hero-inner h2,.hero-inner h3{color:#ffffff}
.hero-inner .lead{max-width:780px;color:#ffffff;font-size:1.18rem;line-height:1.6}
.hero-inner p{color:#ffffff}
.breadcrumb{font-size:0.9rem;color:rgba(255,255,255,0.92);margin-bottom:18px;font-weight:500}
.breadcrumb a{color:var(--green-bright);text-decoration:underline;text-underline-offset:3px}
.breadcrumb a:hover{color:#ffffff}
/* SEGMENTACIÓN */
.segments{padding:100px 0 50px;background:var(--bg)}
.segments-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:50px}
.segment-card{background:#fff;border-radius:var(--radius-lg);padding:36px 30px;box-shadow:var(--shadow);transition:all .3s ease;position:relative;overflow:hidden;border-top:4px solid var(--copper)}
.segment-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.segment-card .icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--copper),var(--copper-dark));display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:22px}
.segment-card h3{margin-bottom:10px}
.segment-card p{margin-bottom:18px;font-size:0.97rem}
.segment-card a.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--copper);font-size:0.95rem}
.segment-card a.link-arrow:hover{gap:10px;color:var(--copper-dark)}
/* SECTION HEADER */
.section-header{text-align:center;max-width:680px;margin:0 auto 60px}
.section-header p{font-size:1.08rem;margin-top:14px}
/* MATERIALES grid */
.materials{background:var(--bg-alt)}
.materials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.material-card{background:#fff;border-radius:var(--radius);padding:28px;transition:all .3s ease;cursor:pointer;border:1px solid rgba(31,41,55,0.05);text-decoration:none;color:inherit;display:block}
.material-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--copper)}
.material-card .mat-icon{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#fff,var(--bg));border:2px solid var(--copper);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--copper)}
.material-card h3{font-size:1.15rem;margin-bottom:6px}
.material-card .mat-tags{font-size:0.82rem;color:var(--gray);display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.material-card .mat-tags span{background:var(--bg);padding:4px 10px;border-radius:999px}
/* WHY */
.why{background:var(--bg)}
.why-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:60px;align-items:center}
.why-list{display:flex;flex-direction:column;gap:24px}
.why-item{display:flex;gap:18px;padding:22px;background:#fff;border-radius:var(--radius);box-shadow:0 2px 12px rgba(31,41,55,0.04);transition:all .25s}
.why-item:hover{box-shadow:var(--shadow);transform:translateX(4px)}
.why-item .why-icon{flex-shrink:0;width:48px;height:48px;border-radius:12px;background:rgba(76,175,80,0.12);color:var(--copper);display:flex;align-items:center;justify-content:center}
.why-item h4{font-size:1.08rem;margin-bottom:4px;font-family:'Inter',sans-serif;font-weight:600}
.why-item p{font-size:0.93rem;color:var(--gray)}
.stats-card{background:linear-gradient(135deg,var(--green),#0d3d11);color:#fff;border-radius:var(--radius-lg);padding:50px 40px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.stats-card::before{content:'';position:absolute;top:-50px;right:-50px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(76,175,80,0.4),transparent 70%)}
.stats-card h3{color:#fff;margin-bottom:30px;font-size:1.4rem}
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;position:relative;z-index:2}
.stat-num{font-family:'Bricolage Grotesque',sans-serif;font-size:2.6rem;font-weight:700;color:var(--green-bright);line-height:1;margin-bottom:6px}
.stat-label{font-size:0.92rem;color:rgba(255,255,255,0.85)}
/* PROCESO */
.process{background:var(--bg-alt)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:50px}
.process-step{background:#fff;border-radius:var(--radius);padding:30px;text-align:left;position:relative;border-left:4px solid var(--copper)}
.process-num{font-family:'Bricolage Grotesque',sans-serif;font-size:3rem;font-weight:700;color:var(--copper);opacity:0.3;line-height:1;margin-bottom:10px}
.process-step h4{font-size:1.1rem;margin-bottom:8px;font-family:'Inter',sans-serif;font-weight:600}
.process-step p{font-size:0.93rem;color:var(--gray)}
/* TESTIMONIOS */
.testimonials{background:var(--bg)}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi-card{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.stars{color:var(--amber);margin-bottom:14px;font-size:1.05rem;letter-spacing:2px}
.testi-card p{font-style:italic;font-size:0.97rem;margin-bottom:20px;color:var(--steel)}
.testi-author{display:flex;align-items:center;gap:12px;margin-top:auto}
.testi-avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--copper),var(--green));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600}
.testi-author strong{display:block;font-size:0.95rem}
.testi-author span{font-size:0.83rem;color:var(--gray)}
/* CTA BANNER */
.cta-banner{background:linear-gradient(135deg,var(--copper),var(--green));color:#fff;padding:70px 0}
.cta-banner-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center}
.cta-banner h2{color:#fff;font-size:2rem;margin-bottom:12px}
.cta-banner p{color:rgba(255,255,255,0.92);font-size:1.08rem}
.cta-banner .btn{justify-self:end}
.cta-banner .btn-primary{background:#fff;color:var(--green);box-shadow:0 8px 20px rgba(0,0,0,0.18)}
.cta-banner .btn-primary:hover{background:var(--green-bright);color:var(--green)}
/* CONTACTO + MAPA */
.contact{background:var(--bg)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.contact-info h2{margin-bottom:22px}
.contact-info p.lead{font-size:1.05rem;margin-bottom:30px}
.contact-list{display:flex;flex-direction:column;gap:18px;margin-bottom:30px}
.contact-item{display:flex;gap:16px;align-items:flex-start}
.contact-item .ci-icon{flex-shrink:0;width:44px;height:44px;border-radius:12px;background:rgba(76,175,80,0.12);color:var(--copper);display:flex;align-items:center;justify-content:center}
.contact-item strong{display:block;font-size:0.92rem;color:var(--gray);font-weight:500}
.contact-item span{font-size:1.05rem;font-weight:600;color:var(--steel)}
.map-wrap{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);height:480px}
.map-wrap iframe{width:100%;height:100%;border:0}
/* BLOG */
.blog{background:var(--bg-alt)}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.blog-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 2px 10px rgba(31,41,55,0.05);transition:all .3s;cursor:pointer}
.blog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.blog-img{height:200px;background-size:cover;background-position:center;position:relative}
.blog-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(0,0,0,0.3))}
.blog-card-body{padding:24px}
.blog-cat{display:inline-block;font-size:0.78rem;font-weight:600;color:var(--copper);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:10px}
.blog-card h3{font-size:1.15rem;margin-bottom:10px;font-family:'Inter',sans-serif;font-weight:600}
.blog-card p{font-size:0.92rem;color:var(--gray)}
/* CONTENT GENERAL (páginas internas) */
.content{background:var(--bg);padding:80px 0}
.content-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:60px;align-items:start}
.content-main h2{margin-top:30px;margin-bottom:14px}
.content-main h2:first-child{margin-top:0}
.content-main h3{margin-top:24px;margin-bottom:10px;font-size:1.2rem}
.content-main p{margin-bottom:14px}
.content-main ul{margin:14px 0 18px 22px;color:var(--steel-soft)}
.content-main ul li{margin-bottom:6px}
.content-image{position:sticky;top:90px}
.content-image img{width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.tipo-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:24px 0}
.tipo-card{background:#fff;padding:22px;border-radius:var(--radius);border-left:4px solid var(--copper);box-shadow:0 2px 12px rgba(31,41,55,0.04)}
.tipo-card h4{font-family:'Bricolage Grotesque',sans-serif;font-size:1.08rem;margin-bottom:6px;color:var(--steel)}
.tipo-card p{font-size:0.9rem;color:var(--gray);margin:0}
.faq{background:var(--bg-alt);padding:80px 0}
.faq-grid{display:flex;flex-direction:column;gap:14px;max-width:800px;margin:40px auto 0}
details{background:#fff;border-radius:var(--radius);padding:20px 24px;cursor:pointer;border:1px solid rgba(31,41,55,0.05);transition:all .25s}
details[open]{box-shadow:var(--shadow);border-color:var(--copper)}
details summary{font-weight:600;font-size:1.05rem;color:var(--steel);list-style:none;display:flex;justify-content:space-between;align-items:center}
details summary::-webkit-details-marker{display:none}
details summary::after{content:'+';font-size:1.6rem;color:var(--copper);font-weight:300;transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:14px;color:var(--steel-soft);font-size:0.97rem}
/* FOOTER */
footer{background:var(--green);color:rgba(255,255,255,0.85);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,0.1)}
footer h5{color:#fff;font-family:'Bricolage Grotesque',sans-serif;font-size:1.05rem;font-weight:600;margin-bottom:18px}
footer ul{list-style:none;display:flex;flex-direction:column;gap:10px}
footer ul a{font-size:0.95rem;transition:color .2s}
footer ul a:hover{color:var(--green-bright)}
footer .footer-about p{font-size:0.97rem;margin-bottom:20px;line-height:1.65;color:#ffffff;font-weight:400}
footer .social{display:flex;gap:12px}
footer .social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:center;transition:all .25s}
footer .social a:hover{background:var(--copper);color:#fff}
.footer-bottom{padding:24px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:0.86rem}
.footer-bottom a{margin-left:14px;opacity:0.78}
.footer-bottom a:hover{opacity:1;color:var(--green-bright)}
/* WHATSAPP FLOTANTE */
.wa-float{position:fixed;bottom:24px;right:24px;background:#25D366;color:#fff;width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px rgba(37,211,102,0.45);z-index:99;transition:all .25s;animation:pulse 2.4s infinite}
.wa-float:hover{transform:scale(1.08)}
@keyframes pulse{0%,100%{box-shadow:0 12px 30px rgba(37,211,102,0.45)}50%{box-shadow:0 12px 30px rgba(37,211,102,0.45),0 0 0 12px rgba(37,211,102,0.18)}}
/* COOKIE BANNER */
.cookie-banner{position:fixed;bottom:24px;left:24px;background:#fff;padding:20px 24px;border-radius:var(--radius);box-shadow:var(--shadow-lg);max-width:420px;z-index:98;border-top:4px solid var(--copper)}
.cookie-banner p{font-size:0.88rem;margin-bottom:14px}
.cookie-banner .ck-actions{display:flex;gap:10px}
.cookie-banner button{padding:9px 18px;border-radius:8px;font-size:0.88rem;font-weight:600;cursor:pointer;border:none}
.ck-accept{background:var(--copper);color:#fff}
.ck-reject{background:var(--bg);color:var(--steel)}
.cookie-banner.hidden{display:none}
/* RESPONSIVE */
@media (max-width:980px){
  .hero .container{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:480px;margin:0 auto}
  .why-grid,.contact-grid,.cta-banner-grid,.content-grid{grid-template-columns:1fr;gap:40px}
  .cta-banner .btn{justify-self:start}
  .segments-grid,.materials-grid,.testi-grid,.blog-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .nav ul{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:#fff;padding:20px;gap:14px;border-top:1px solid var(--gray-light);box-shadow:var(--shadow)}
  .nav ul.open{display:flex}
  .menu-toggle{display:block}
  .nav-cta .btn-primary{display:none}
  .content-image{position:static}
  .tipo-grid{grid-template-columns:1fr}
}
@media (max-width:600px){
  .section,.content,.faq{padding:60px 0}
  .segments-grid,.materials-grid,.testi-grid,.blog-grid,.process-grid,.footer-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .utility-bar{font-size:0.78rem}
  .hero{padding:60px 0 80px}
  .hero-inner{padding:50px 0 40px}
  .hero-stat{position:static;margin-top:20px}
  .cookie-banner{left:12px;right:12px;max-width:none;bottom:90px}
  .wa-float{width:54px;height:54px}
}