/* Reset / base ------------------------------------------------------ */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);color:var(--text-primary);background:var(--surface-page);overflow-x:hidden}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:var(--weight-semibold);margin:0;color:var(--text-primary)}
p{margin:0}
img{max-width:100%;display:block}
a{color:var(--espresso);text-decoration:none}
a:hover{color:var(--espresso-dark)}

.container{max-width:var(--container-max);margin:0 auto;padding:0 6vw;box-sizing:border-box}

@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
.reveal{animation:fadeUp .7s var(--ease-standard) both}

/* Buttons ------------------------------------------------------------ */
.btn{
  font-family:var(--font-sans);
  font-weight:600;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  cursor:pointer;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  letter-spacing:var(--tracking-normal);
  text-decoration:none;
  transition:background var(--duration-fast) var(--ease-standard),
             color var(--duration-fast) var(--ease-standard),
             border-color var(--duration-fast) var(--ease-standard);
}
.btn-sm{font-size:14px;padding:8px 16px}
.btn-md{font-size:16px;padding:12px 24px}
.btn-lg{font-size:17px;padding:16px 32px}

.btn-primary{background:var(--brand-primary);color:var(--leche);border-color:var(--brand-primary)}
.btn-primary:hover{background:var(--brand-primary-hover)}

.btn-secondary{background:transparent;color:var(--brand-primary);border-color:var(--brand-primary)}
.btn-secondary:hover{background:var(--brand-primary);color:var(--leche)}

.btn-accent{background:var(--brand-accent);color:var(--leche);border-color:var(--brand-accent)}
.btn-accent:hover{background:var(--brand-accent-hover)}

/* Hero CTA uses a crema accent button with dark text, and a darker override
   for the "Producto destacado" CTAs (espresso-dark instead of verde-grano). */
.hero-cta .btn-accent{background:var(--crema);border-color:var(--crema);color:var(--espresso)}
.hero-cta .btn-accent:hover{background:var(--espresso-dark);color:var(--leche)}

.producto-cta .btn-primary{background:var(--espresso-dark);border-color:var(--espresso-dark)}
.producto-cta .btn-primary:hover{background:#1C0F09}
.producto-cta .btn-secondary{color:var(--espresso-dark);border-color:var(--espresso-dark)}
.producto-cta .btn-secondary:hover{background:var(--espresso-dark);color:var(--leche)}

/* Nav ------------------------------------------------------------ */
.site-header{
  position:absolute;top:0;left:0;right:0;z-index:10;
  display:flex;align-items:center;justify-content:space-between;
  padding:28px 6vw;box-sizing:border-box;
}
.site-header .logo{height:68px;width:auto;object-fit:contain}
.header-cta{
  color:var(--leche);font-size:14px;font-weight:600;letter-spacing:var(--tracking-wide);
  border:1px solid rgba(240,230,214,0.5);padding:9px 18px;border-radius:var(--radius-sm);
  transition:border-color var(--duration-fast) var(--ease-standard),background var(--duration-fast) var(--ease-standard);
}
.header-cta:hover{background:rgba(240,230,214,0.12);border-color:var(--leche);color:var(--leche)}

/* Hero ------------------------------------------------------------ */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;box-sizing:border-box;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('../img/foto-principal-hero.webp');
  background-size:cover;background-position:center;
  filter:blur(3px) brightness(0.62);
  transform:scale(1.06);
  will-change:transform;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(43,35,32,0.55) 0%,rgba(43,35,32,0.35) 45%,rgba(43,35,32,0.75) 100%);
}
.hero-content{position:relative;padding:160px 6vw 96px;box-sizing:border-box;width:100%}
.hero-eyebrow{
  display:inline-block;color:var(--crema);font-size:13px;font-weight:600;letter-spacing:var(--tracking-widest);
  text-transform:uppercase;border:1px solid rgba(217,195,165,0.5);padding:6px 16px;border-radius:var(--radius-pill);
  margin-bottom:28px;
}
.hero h1{font-size:var(--text-display);line-height:var(--leading-tight);color:var(--leche);margin:0 0 24px;max-width:14ch}
.hero-sub{font-size:var(--text-body-lg);line-height:var(--leading-normal);color:var(--text-on-dark-muted);max-width:46ch;margin:0 0 44px}
.hero-cta{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.hero-cta .link-arrow{
  color:var(--leche);font-size:15px;font-weight:600;display:flex;align-items:center;gap:8px;
  border-bottom:1px solid rgba(240,230,214,0.4);padding-bottom:2px;
}
.hero-cta .link-arrow:hover{color:var(--leche)}

/* Historia de origen ------------------------------------------------- */
.historia{padding:120px 6vw;box-sizing:border-box;background:var(--surface-page)}
.historia .container{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;align-items:center}
.eyebrow{display:block;font-size:12px;font-weight:600;letter-spacing:var(--tracking-widest);text-transform:uppercase;color:var(--tueste);margin-bottom:18px}
.historia h2{font-size:var(--text-h1);color:var(--text-primary);line-height:var(--leading-tight);margin:0 0 36px}

.timeline{display:flex;flex-direction:column}
.timeline-item{display:flex;gap:20px;align-items:flex-start}
.timeline-rail{display:flex;flex-direction:column;align-items:center;flex-shrink:0;width:12px}
.timeline-dot{width:12px;height:12px;border-radius:50%;background:var(--tueste);flex-shrink:0;margin-top:6px}
.timeline-line{width:2px;flex:1;min-height:64px;background:var(--tueste);margin-top:6px;opacity:0.4}
.timeline-body{padding-bottom:28px}
.timeline-item:last-child .timeline-body{padding-bottom:0}
.timeline-title{font-weight:600;font-size:17px;color:var(--text-primary);margin-bottom:4px}
.timeline-desc{font-size:15px;line-height:var(--leading-normal);color:var(--text-secondary);margin:0}

.historia-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);
  aspect-ratio:4/5;
}
.historia-media img{
  width:100%;height:100%;object-fit:cover;
  transition:filter var(--duration-slow) var(--ease-standard),transform var(--duration-slow) var(--ease-standard);
}
.historia-media:hover img{transform:scale(1.08);filter:blur(6px) brightness(0.35) saturate(0.9) sepia(0.25)}
.historia-reveal{
  position:absolute;inset:0;display:flex;align-items:center;padding:36px;box-sizing:border-box;
  background:rgba(30,17,11,0.93);opacity:0;pointer-events:none;overflow-y:auto;
  transition:opacity var(--duration-slow) var(--ease-standard);
}
.historia-media:hover .historia-reveal{opacity:1}
.historia-reveal .eyebrow{color:var(--crema)}
.historia-reveal h2{margin:0 0 18px;font-size:var(--text-h2);line-height:var(--leading-tight);color:var(--leche)}
.historia-reveal .lead{font-size:var(--text-body);line-height:var(--leading-normal);color:var(--text-on-dark-muted);margin:0 0 16px}
.historia-reveal .muted{font-size:var(--text-small);line-height:var(--leading-normal);color:rgba(240,230,214,0.55);margin:0}

/* Proceso de tueste ---------------------------------------------------- */
.proceso{position:relative;padding:140px 6vw;box-sizing:border-box;overflow:hidden}
.proceso-bg{
  position:absolute;inset:0;
  background-image:url('../img/tostadora-de-cafe.webp');
  background-size:cover;background-position:center;filter:blur(4px) brightness(0.4);
}
.proceso-overlay{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(42,24,16,0.9) 0%,rgba(42,24,16,0.55) 60%,rgba(42,24,16,0.85) 100%);
}
.proceso .container{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.proceso .eyebrow{color:var(--crema)}
.proceso h2{font-size:var(--text-h1);color:var(--leche);line-height:var(--leading-tight);margin:0 0 28px}
.proceso-lead{font-size:var(--text-body-lg);line-height:var(--leading-normal);color:var(--text-on-dark-muted);margin:0}

.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat-card{background:rgba(217,195,165,0.1);border:1px solid rgba(217,195,165,0.25);border-radius:var(--radius-md);padding:28px 22px}
.stat-card .stat-value{font-family:var(--font-serif);font-size:32px;color:var(--crema);margin-bottom:6px}
.stat-card .stat-label{font-size:13px;color:var(--text-on-dark-muted);line-height:var(--leading-snug)}
.stat-card.stat-wide{grid-column:span 2}
.stat-card.stat-wide .stat-value{font-size:24px}

/* Producto destacado ---------------------------------------------------- */
.producto{position:relative;padding:140px 6vw;box-sizing:border-box;background:var(--surface-sunken)}
.producto .container{display:grid;grid-template-columns:1fr 1.1fr;gap:80px;align-items:center}
.producto-media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.producto-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--duration-slow) var(--ease-standard)}
.producto-media:hover img{transform:scale(1.08)}
.producto h2{font-size:var(--text-h1);color:var(--text-primary);line-height:var(--leading-tight);margin:0 0 22px}

.tag-row{display:flex;gap:10px;margin-bottom:26px;flex-wrap:wrap}
.tag-toggle{
  display:inline-flex;align-items:center;gap:6px;font-family:var(--font-sans);font-size:13px;
  padding:6px 12px;border-radius:var(--radius-sm);cursor:pointer;
  background:var(--surface-sunken);border:1px solid var(--border-soft);color:var(--text-primary);
  transition:background var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard);
}
.tag-toggle.active{background:var(--espresso-dark);border-color:var(--espresso-dark);color:var(--leche)}

.producto-desc{font-size:var(--text-body-lg);line-height:var(--leading-normal);color:var(--text-secondary);margin:0 0 32px}
.producto-cta{display:flex;gap:18px;flex-wrap:wrap;align-items:center}

/* FAQ ------------------------------------------------------------ */
.faq{padding:140px 6vw 180px;box-sizing:border-box;background:var(--surface-page)}
.faq .container{max-width:800px;padding:0}
.faq h2{text-align:center;font-size:var(--text-h1);color:var(--text-primary);line-height:var(--leading-tight);margin:0 0 56px}
.faq .eyebrow{text-align:center}
.faq-list{display:flex;flex-direction:column}
.faq-item{border-top:1px solid var(--border-default)}
.faq-item:last-child{border-bottom:1px solid var(--border-default)}
.faq-question{
  padding:24px 0;font-weight:600;font-size:17px;color:var(--text-primary);cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:16px;background:none;border:none;
  width:100%;text-align:left;font-family:var(--font-sans);
}
.faq-icon{color:var(--tueste);font-weight:400;font-size:20px;transition:transform var(--duration-normal) var(--ease-standard);display:inline-block;flex-shrink:0}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-answer{font-size:15px;line-height:var(--leading-normal);color:var(--text-secondary);margin:0;padding:0 0 24px;display:none}
.faq-item.open .faq-answer{display:block}

/* Footer ------------------------------------------------------------ */
.site-footer{position:relative;padding:100px 6vw 56px;box-sizing:border-box;overflow:hidden}
.footer-bg{
  position:absolute;inset:0;
  background-image:url('../img/grano-cafe-tostado.webp');
  background-size:cover;background-position:center;filter:blur(10px) brightness(0.3) sepia(0.4);
}
.footer-overlay{position:absolute;inset:0;background:rgba(30,17,11,0.88)}
.footer-inner{position:relative}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:60px;padding-bottom:56px}
.footer-col{display:flex;flex-direction:column}
.footer-col-head{height:50px;display:flex;align-items:flex-end;margin-bottom:18px}
.footer-logo{height:44px;width:auto;object-fit:contain}
.footer-label{font-size:12px;font-weight:600;letter-spacing:var(--tracking-widest);text-transform:uppercase;color:var(--crema)}
.footer-desc{font-size:14px;line-height:var(--leading-normal);color:var(--text-on-dark-muted);max-width:34ch;margin:0}
.footer-text{font-size:15px;line-height:var(--leading-normal);color:var(--text-on-dark-muted);margin:0}
.footer-link{display:block;color:var(--leche);font-size:15px;margin-bottom:12px}
.footer-link:last-child{margin-bottom:0}
.footer-link:hover{color:var(--crema)}
.footer-bottom{border-top:1px solid rgba(240,230,214,0.15);padding-top:28px;font-size:13px;color:var(--text-on-dark-muted)}

/* WhatsApp FAB --------------------------------------------------------- */
.wa-fab{
  position:fixed;right:28px;bottom:28px;z-index:50;display:flex;align-items:center;gap:10px;
  background:var(--verde-grano-dark);color:var(--leche);padding:14px 20px;border-radius:var(--radius-pill);
  box-shadow:var(--shadow-lg);font-weight:600;font-size:15px;
  transition:background var(--duration-fast) var(--ease-standard);
}
.wa-fab:hover{background:#333d29;color:var(--leche)}

/* Responsive ------------------------------------------------------------ */
@media (max-width:900px){
  .historia .container,
  .proceso .container,
  .producto .container{grid-template-columns:1fr;gap:48px}
  .producto .container{display:flex;flex-direction:column-reverse}
  .historia-media{aspect-ratio:3/4}
  .stat-card.stat-wide{grid-column:span 2}
}

@media (max-width:640px){
  .site-header{padding:20px 5vw}
  .site-header .logo{height:52px}
  .header-cta{font-size:13px;padding:8px 14px}
  .hero-content{padding:140px 5vw 72px}
  .historia,.proceso,.producto{padding:80px 5vw}
  .faq{padding:80px 5vw 120px}
  .footer-grid{grid-template-columns:1fr;gap:40px}
  .wa-fab{right:16px;bottom:16px;padding:12px 16px;font-size:14px}

  .historia-media{aspect-ratio:3/4}
  .historia-reveal{padding:22px}
  .historia-reveal h2{font-size:1.3rem;margin-bottom:10px}
  .historia-reveal .lead{font-size:13px;line-height:1.45;margin-bottom:10px}
  .historia-reveal .muted{font-size:12px}
}