/* ==========================================================================
   H2O2 Aplicaciones Sanitarias — sitio de una página
   ========================================================================== */

:root{
  --bg:        #FFFFFF;
  --bg-alt:    #EEF3F2;
  --ink:       #0D1F1D;
  --ink-soft:  #445250;
  --muted:     #6B7C7A;
  --line:      #DCE6E4;
  --teal:      #0A6E63;
  --teal-deep: #073F3A;
  --aqua:      #3FCFB4;
  --amber:     #E8A33D;
  --white:     #FFFFFF;

  --font-display: 'Noto Sans', Arial, sans-serif;
  --font-body:    'Noto Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  --maxw: 1180px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; scroll-padding-top: 104px; }
body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; cursor:pointer; }

.wrap{ max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin: 0 0 .5em;
  color: var(--ink);
}
h1{ font-size: clamp(2.2rem, 4.8vw, 3.6rem); }
h2{ font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3{ font-size: 1.3rem; }
p{ margin: 0 0 1em; color: var(--ink-soft); }
.lede{ font-size: 1.2rem; color: var(--ink-soft); max-width: 60ch; }

.eyebrow{
  font-family: var(--font-body);
  font-size: .72rem; letter-spacing:.14em; text-transform: uppercase;
  color: var(--teal); display:flex; align-items:center; gap:.6em; margin-bottom: 1em;
}
.eyebrow::before{ content:""; width:22px; height:1px; background:var(--teal); display:inline-block; }

/* ---------- Header (una sola fila, simple) ---------- */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height: 96px; gap: 20px;
}
.brand{ display:flex; align-items:center; gap:16px; flex:0 0 auto; }
.brand .logo-h2o2{ height: 74px; width:auto; }
.brand .mark{ width:26px; height:26px; border-radius:50%; background:conic-gradient(from 220deg, var(--teal), var(--aqua), var(--teal)); display:none; }
.login-link{
  font-weight:700; color: var(--teal); font-size:.96rem;
  padding-bottom:2px; border-bottom:2px solid var(--amber);
  margin-left: 1.4rem; white-space:nowrap;
}
.login-link:hover{ color: var(--teal-deep); }

.main-nav{ display:flex; align-items:center; gap: 2rem; flex:1 1 auto; justify-content:flex-end; }
.main-nav ul{ display:flex; gap: 1.6rem; align-items:center; }
.main-nav a{ font-size:.92rem; color: var(--ink-soft); white-space:nowrap; }
.main-nav a:hover{ color: var(--teal); }

.nav-toggle{ display:none; background:none; border:1px solid var(--line); padding:.5em .7em; flex:0 0 auto; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:16px; height:1.5px; background:var(--ink); position:relative;
}
.nav-toggle span::before{ position:absolute; top:-5px; }
.nav-toggle span::after{ position:absolute; top:5px; }

.btn{
  display:inline-flex; align-items:center; gap:.5em;
  font-family: var(--font-body); font-size:.8rem; letter-spacing:.02em;
  padding: .75em 1.3em; border: 1px solid var(--ink);
  background: var(--ink); color: var(--bg);
  transition: background .15s, color .15s, border-color .15s;
}
.btn:hover{ background: var(--teal); border-color: var(--teal); }
.btn.ghost{ background: transparent; color: var(--ink); }
.btn.ghost:hover{ background: var(--ink); color: var(--bg); }
.btn.amber{ background: var(--amber); border-color: var(--amber); color: var(--teal-deep); }
.btn.amber:hover{ background: var(--ink); border-color: var(--ink); color: var(--bg); }

/* ---------- Hero showcase (réplica del diseño original) ---------- */
.hero-showcase{ padding-top: 96px; }
.hero-image{
  min-height: 500px; display:flex; align-items:center;
  background-size: cover; background-position: center;
  position: relative;
}
.hero-image::before{
  content:""; position:absolute; inset:0;
  background: linear-gradient(90deg, rgba(7,20,18,.5) 0%, rgba(7,20,18,.24) 55%, rgba(7,20,18,.08) 100%);
}
.hero-image-inner{ position:relative; z-index:2; padding: 48px 24px; }
.hero-image-inner h1{ color: var(--white); max-width: 17ch; margin-bottom: .7em; font-size: clamp(2.3rem, 4.8vw, 3.6rem); }
.deconx-badge img{
  height: 54px; width:auto; display:block;
  filter: drop-shadow(0 2px 10px rgba(0,0,0,.45));
}

.showcase-band{ background: var(--teal-deep); padding: 44px 0; }
.showcase-band-grid{ display:flex; align-items:flex-start; gap: 40px; flex-wrap:wrap; }
.eyebrow-inverted{ color: var(--amber); margin-bottom:0; flex:0 0 auto; padding-top:.3em; }
.eyebrow-inverted::before{ background: var(--amber); }
.showcase-lede{ color: rgba(245,248,247,.94); margin:0; font-size:1.2rem; max-width:52ch; flex:1 1 320px; }
.showcase-lede strong{ color: var(--white); }

.showcase-stats{
  display:grid; grid-template-columns: repeat(3,1fr); gap: 40px;
  margin-top: 56px;
}
.showcase-stat{ display:flex; flex-direction:column; align-items:center; text-align:center; }
.showcase-thumb{ width:100%; aspect-ratio: 4/3; overflow:hidden; border:1px solid var(--line); margin-bottom: 24px; box-shadow: 0 16px 30px rgba(7,20,18,.12); }
.showcase-thumb img{ width:100%; height:100%; object-fit:cover; }
.showcase-stat .num{ font-family: var(--font-display); font-weight:700; font-size: clamp(2rem, 3.6vw, 2.6rem); color: var(--ink); display:block; line-height:1; }
.showcase-stat .label{ font-size:.95rem; color: var(--muted); margin-top:.5em; max-width:24ch; }

.showcase-standard{ text-align:center; margin: 56px auto 0; max-width: 56ch; color: var(--ink-soft); font-size:1.05rem; }
.showcase-standard a{ color: var(--teal); text-decoration: underline; font-weight:600; }

/* ---------- Trazabilidad ---------- */
.trace-list{ margin: 1.4em 0 1.6em; padding:0; list-style:none; counter-reset: trace; }
.trace-list li{
  counter-increment: trace;
  position: relative; padding-left: 2.4em; margin-bottom: 1.1em;
  color: var(--ink-soft); font-size:1.05rem; line-height:1.6;
}
.trace-list li::before{
  content: counter(trace);
  position:absolute; left:0; top:.05em;
  width:1.7em; height:1.7em; border-radius:50%;
  background: var(--teal); color: var(--white);
  font-family: var(--font-display); font-weight:700; font-size:.9rem;
  display:flex; align-items:center; justify-content:center;
}
.trace-list strong{ color: var(--ink); }
.trace-highlight{
  font-family: var(--font-display); font-weight:700; font-size:1.2rem;
  color: var(--teal-deep); border-left: 3px solid var(--amber);
  padding: .3em 0 .3em 1em; margin: 1.6em 0 0;
}
.trace-media{ display:flex; flex-direction:column; gap:20px; }
.trace-media img{ width:100%; border:1px solid var(--line); box-shadow: 0 16px 30px rgba(7,20,18,.08); }

.standard-badge{
  background: var(--teal-deep); color: var(--white);
  padding: 40px 36px; display:flex; flex-direction:column; gap: 10px;
  margin-top: 48px;
}
.standard-badge-label{ font-size:.8rem; letter-spacing:.1em; text-transform:uppercase; color: var(--amber); }
.standard-badge-code{ font-family: var(--font-display); font-weight:700; font-size: clamp(1.5rem,3.2vw,2.2rem); line-height:1.05; white-space:nowrap; }
.standard-badge-meta{ font-size:.86rem; color: rgba(245,248,247,.72); margin-top: 10px; }
.standard-image{ margin-top: 40px; }
.standard-image img{ width:100%; max-height: 340px; object-fit:cover; border:1px solid var(--line); }


/* ---------- Stats (cifras destacadas) ---------- */
.stats{ display:grid; grid-template-columns: repeat(3,1fr); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.stat{ padding: 44px 30px; border-left:1px solid var(--line); }
.stat:first-child{ border-left:none; }
.stat .num{
  font-family: var(--font-display); font-weight:700;
  font-size: clamp(2.4rem, 5.2vw, 3.6rem); line-height:1;
  color: var(--teal); display:block; letter-spacing:-0.02em;
}
.stat .label{ font-size:.92rem; color: var(--muted); margin-top:.6em; max-width:24ch; }

/* ---------- Sections ---------- */
section{ padding: 56px 0; scroll-margin-top: 104px; }
.section-alt{ background: var(--bg-alt); }
.split{ display:grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items:center; }
.split.split-top{ align-items:start; }
.split.reverse .split-media{ order:2; }
.split-media img{ border:1px solid var(--line); }

/* Características — versión grande y potente */
.feature-heading{ max-width: 18ch; font-size: clamp(2rem, 4.4vw, 3rem); margin-bottom: .9em; }
.feature-grid-big{ display:grid; grid-template-columns: repeat(2,1fr); gap: 44px 56px; }
.feature-big{
  background: transparent; padding: 0;
  display:flex; flex-direction:column; gap:.6em;
}
.feature-big .icon{ width:52px; height:52px; margin-bottom:.4em; }
.feature-big h3{ font-family: var(--font-display); font-size: clamp(1.4rem, 2.4vw, 1.85rem); margin-bottom:.25em; }
.feature-big p{ font-size:1.24rem; line-height:1.7; margin:0; max-width:48ch; }

/* Industrias — sección potente con tarjetas */
.industries-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 2.4em; }
.industry-card{
  background: var(--white); border:1px solid var(--line); overflow:hidden;
  display:flex; flex-direction:column;
  transition: transform .18s ease, box-shadow .18s ease;
}
.industry-card:hover{ transform: translateY(-4px); box-shadow: 0 16px 32px rgba(13,31,29,.08); }
.industry-card .thumb{ aspect-ratio: 4/3; overflow:hidden; background: var(--bg-alt); }
.industry-card .thumb img{ width:100%; height:100%; object-fit:cover; }
.industry-card .body{ padding: 20px 22px 24px; display:flex; flex-direction:column; gap:.5em; flex:1; }
.industry-card .n{ font-family: var(--font-body); font-size:.72rem; color: var(--teal); }
.industry-card h3{ margin-bottom:.1em; }
.industry-card p{ font-size:.9rem; margin:0; }

/* CTA band */
.cta-band{ background: var(--teal-deep); color: var(--bg); padding: 60px 0; }
.cta-band h2{ color: var(--white); }
.cta-band p{ color: rgba(245,248,247,.72); margin-bottom:0; }
.cta-row{ display:flex; justify-content:space-between; align-items:center; gap:1.4em; flex-wrap:wrap; }

/* Contacto (solo email, sin formulario) */
.contact-card{
  border:1px solid var(--line); background: var(--white);
  padding: 44px 40px; display:flex; justify-content:space-between; align-items:center;
  gap: 2em; flex-wrap:wrap;
}
.contact-email{ font-family: var(--font-body); font-size: clamp(1.3rem,3vw,1.8rem); color: var(--teal); user-select:all; }
.copy-status{ font-size:.82rem; color: var(--teal); font-family: var(--font-body); min-width:80px; }
.contact-meta{ font-size:.92rem; color: var(--muted); }

/* ---------- Footer ---------- */
.site-footer{ border-top:1px solid var(--line); padding: 44px 0 26px; font-size:.86rem; color: var(--muted); }
.footer-top{ display:flex; justify-content:space-between; align-items:flex-start; gap:2rem; flex-wrap:wrap; padding-bottom:24px; }
.footer-cols{ display:flex; gap: 3rem; flex-wrap:wrap; }
.footer-col h4{ font-family: var(--font-body); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color: var(--ink); margin-bottom:.8em; }
.footer-col ul li{ margin-bottom:.5em; }
.footer-col a:hover{ color: var(--teal); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:20px; border-top:1px solid var(--line); flex-wrap:wrap; gap:1em; }
.social-icon{ width:28px; height:28px; border:1px solid var(--line); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:.75rem; }

/* ---------- Legal pages ---------- */
.page-hero{ padding: 164px 0 40px; border-bottom:1px solid var(--line); }
.back-link{ display:inline-block; margin-top: 1.2em; font-weight:600; color: var(--teal); }
.back-link:hover{ color: var(--teal-deep); }
.legal{ max-width: 76ch; }
.legal h2{ margin-top:1.6em; font-size:1.2rem; }
.legal table{ width:100%; border-collapse:collapse; margin:1.4em 0; font-size:.9rem; }
.legal th, .legal td{ text-align:left; padding:.7em .9em; border:1px solid var(--line); }
.legal th{ background: var(--bg-alt); font-family: var(--font-body); font-size:.76rem; text-transform:uppercase; letter-spacing:.04em; }

/* ---------- Cookie banner ---------- */
.cookie-banner{
  position:fixed; left:20px; right:20px; bottom:20px; z-index:120; max-width:620px; margin:0 auto;
  background: var(--ink); color: var(--bg); padding: 18px 20px;
  display:flex; gap:1.2em; align-items:center; flex-wrap:wrap;
  box-shadow: 0 20px 40px rgba(0,0,0,.25);
  transform: translateY(160%); transition: transform .35s ease;
}
.cookie-banner.show{ transform: translateY(0); }
.cookie-banner p{ color: rgba(245,248,247,.78); font-size:.84rem; margin:0; flex:1; min-width:200px; }
.cookie-actions{ display:flex; gap:.6em; }
.cookie-actions .btn{ padding:.55em 1em; font-size:.74rem; }

/* ---------- Responsive ---------- */
@media (max-width: 880px){
  .site-header .wrap{ height:76px; }
  .brand .logo-h2o2{ height:48px; }
  .main-nav{ position:fixed; inset: 76px 0 0 0; background: var(--bg); flex-direction:column;
    align-items:flex-start; padding: 26px 24px; gap:1.4rem; transform: translateX(100%);
    transition: transform .25s ease; overflow-y:auto; justify-content:flex-start; }
  .main-nav.open{ transform: translateX(0); }
  .main-nav ul{ flex-direction:column; align-items:flex-start; gap:1.1rem; width:100%; }
  .nav-toggle{ display:inline-flex; flex-direction:column; align-items:center; justify-content:center; }
  .hero-showcase{ padding-top:76px; }
  .hero-image{ min-height:360px; }
  .hero-image::before{ background: linear-gradient(180deg, rgba(7,20,18,.35) 0%, rgba(7,20,18,.65) 100%); }
  .showcase-band-grid{ flex-direction:column; align-items:flex-start; gap:14px; }
  .showcase-stats{ grid-template-columns:1fr; margin-top:32px; gap:36px; }
  .split{ grid-template-columns:1fr; }
  .split.reverse .split-media{ order:0; }
  .stats{ grid-template-columns:1fr; }
  .stat{ border-left:none; border-top:1px solid var(--line); }
  .stat:first-child{ border-top:none; }
  .feature-grid-big{ grid-template-columns:1fr; }
  .industries-grid{ grid-template-columns:1fr; }
  .footer-top{ flex-direction:column; }
  .contact-card{ flex-direction:column; align-items:flex-start; }
  .page-hero{ padding-top:110px; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .cookie-banner, .industry-card{ transition:none; }
}