/*
Theme Name: RenalBienestar
Theme URI: https://renalbienestar.com
Author: RenalBienestar
Description: Tema a medida para RenalBienestar.com — tienda de afiliados, blog educativo y guías descargables sobre bienestar renal.
Version: 1.0.0
Requires PHP: 7.4
Text Domain: renalbienestar
*/

:root{
  --ink:#1E2A33;
  --ink-soft:#4B5A63;
  --ink-faint:#7C8A92;
  --paper:#FFFFFF;
  --paper-soft:#F5F5F5;
  --line:#E2E7EA;

  --blue:#4A90E2;
  --blue-dark:#3573B8;
  --blue-tint:#EAF2FC;

  --green:#7ED321;
  --green-dark:#5FAE18;
  --green-tint:#F1FAE6;

  --shadow: 0 1px 2px rgba(30,42,51,.05), 0 8px 24px rgba(30,42,51,.06);
  --radius: 14px;

  --font-display: 'Montserrat', 'Segoe UI', Arial, sans-serif;
  --font-body: 'Lora', Georgia, Cambria, serif;
  --font-utility: 'Open Sans', 'Segoe UI', system-ui, sans-serif;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:var(--blue-dark); text-decoration:none; }
a:hover{ text-decoration:underline; }
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  color:var(--ink);
  line-height:1.22;
  text-wrap:balance;
  margin:0 0 .5em;
}
h1{ font-size:clamp(30px,4vw,46px); }
h2{ font-size:28px; }
h3{ font-size:20px; }
p{ margin:0 0 1.2em; }
.container{ max-width:1160px; margin:0 auto; padding:0 28px; }
.eyebrow{
  font-family:var(--font-utility); font-size:12.5px; font-weight:700;
  letter-spacing:.12em; text-transform:uppercase; color:var(--blue-dark);
  display:block; margin-bottom:10px;
}
:focus-visible{ outline:2px solid var(--blue-dark); outline-offset:3px; }

/* buttons */
.btn{
  font-family:var(--font-utility); font-weight:700; font-size:14.5px;
  border-radius:10px; padding:12px 22px; border:none; cursor:pointer;
  display:inline-flex; align-items:center; gap:8px; text-decoration:none !important;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{ transform:translateY(-1px); }
.btn-primary{ background:var(--blue); color:#fff; }
.btn-primary:hover{ background:var(--blue-dark); }
.btn-secondary{ background:var(--green-dark); color:#fff; }
.btn-secondary:hover{ background:#4c8c13; }
.btn-ghost{ background:transparent; color:var(--ink); border:1.5px solid var(--line); }
.btn-ghost:hover{ background:var(--paper-soft); }
.btn-row{ display:flex; gap:12px; flex-wrap:wrap; }

/* site header */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.9); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header-inner{
  display:flex; align-items:center; justify-content:space-between; gap:24px;
  padding:16px 0;
}
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:800; font-size:18px; color:var(--ink); }
.brand:hover{ text-decoration:none; }
.brand svg{ width:32px; height:32px; flex:0 0 auto; }
.main-nav ul{ list-style:none; display:flex; gap:26px; margin:0; padding:0; }
.main-nav a{
  font-family:var(--font-utility); font-weight:600; font-size:14.5px; color:var(--ink-soft);
}
.main-nav a:hover{ color:var(--blue-dark); text-decoration:none; }
.header-cta{ display:flex; align-items:center; gap:14px; }
.nav-toggle{ display:none; background:none; border:none; cursor:pointer; padding:6px; }
.nav-toggle svg{ width:26px; height:26px; }

@media (max-width:860px){
  .main-nav{ display:none; width:100%; order:3; }
  .main-nav.is-open{ display:block; }
  .main-nav ul{ flex-direction:column; gap:4px; padding:16px 0 6px; }
  .main-nav a{ display:block; padding:10px 0; border-bottom:1px solid var(--line); }
  .site-header-inner{ flex-wrap:wrap; }
  .nav-toggle{ display:block; }
  .header-cta .btn span.long{ display:none; }
}

/* hero */
.hero{
  padding:76px 0 68px;
  background:
    radial-gradient(60% 55% at 82% 6%, var(--green-tint), transparent 70%),
    radial-gradient(70% 60% at 12% 0%, var(--blue-tint), transparent 65%);
  border-bottom:1px solid var(--line);
}
.hero-inner{ display:flex; align-items:center; gap:52px; flex-wrap:wrap; }
.hero-text{ flex:1 1 420px; min-width:280px; }
.hero-text .sub{ font-size:19px; color:var(--ink-soft); max-width:52ch; }
.hero-media{ flex:0 0 auto; width:min(360px,42vw); }
.hero-media svg{ width:100%; height:auto; filter:drop-shadow(0 14px 30px rgba(74,144,226,.22)); }

/* sections */
.section{ padding:68px 0; }
.section-alt{ background:var(--paper-soft); }
.section-head{ max-width:640px; margin:0 auto 40px; text-align:center; }
.section-head.left{ margin:0 0 40px; text-align:left; }

/* product grid & cards */
.grid{ display:grid; gap:22px; }
.grid-3{ grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); }
.grid-4{ grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); }

.product-card, .post-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  overflow:hidden; box-shadow:var(--shadow); display:flex; flex-direction:column;
  transition:transform .15s ease, box-shadow .15s ease;
}
.product-card:hover, .post-card:hover{ transform:translateY(-3px); box-shadow:0 10px 30px rgba(30,42,51,.1); }
.product-card .thumb, .post-card .thumb{
  height:150px; background:linear-gradient(135deg,var(--blue-tint),var(--green-tint));
  display:flex; align-items:center; justify-content:center;
}
.product-card .thumb img, .post-card .thumb img{ width:100%; height:100%; object-fit:cover; }
.card-body{ padding:18px 20px 22px; display:flex; flex-direction:column; gap:8px; flex:1; }
.pill{
  align-self:flex-start; font-family:var(--font-utility); font-size:10.5px; font-weight:700;
  text-transform:uppercase; letter-spacing:.05em; color:var(--green-dark); background:var(--green-tint);
  padding:4px 10px; border-radius:100px;
}
.pill.blue{ color:var(--blue-dark); background:var(--blue-tint); }
.card-body h3{ font-size:16.5px; margin-bottom:2px; }
.card-body .excerpt{ font-family:var(--font-body); font-size:14.5px; color:var(--ink-soft); margin:0; }
.card-body .meta{ font-family:var(--font-utility); font-size:12px; color:var(--ink-faint); margin-top:auto; }
.price-row{ display:flex; align-items:center; justify-content:space-between; margin-top:4px; }
.price{ font-family:var(--font-utility); font-weight:800; font-size:17px; color:var(--ink); font-variant-numeric:tabular-nums; }
.card-body .btn{ width:100%; justify-content:center; margin-top:8px; }

/* testimonials */
.testimonial{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:28px 26px;
  box-shadow:var(--shadow);
}
.testimonial p.quote{ font-style:italic; font-size:17.5px; color:var(--ink-soft); }
.testimonial .who{ font-family:var(--font-utility); font-weight:700; font-size:13.5px; color:var(--ink); }
.testimonial .who span{ display:block; font-weight:400; color:var(--ink-faint); font-size:12.5px; }

/* CTA banner */
.cta-block{
  border-radius:18px; padding:34px 32px; display:flex; align-items:center; gap:24px;
  justify-content:space-between; flex-wrap:wrap; margin:36px 0;
}
.cta-block.buy{ background:var(--blue-tint); }
.cta-block.guide{ background:var(--green-tint); }
.cta-block h3{ margin-bottom:6px; }
.cta-block p{ margin:0; color:var(--ink-soft); }
.cta-action{ display:flex; flex-direction:column; align-items:flex-start; gap:6px; }
.cta-disclosure{ font-family:var(--font-utility); font-size:11.5px; color:var(--ink-faint); max-width:26ch; }
.product-card .affiliate-disclosure{
	font-family:var(--font-utility); font-size:10.5px; color:var(--ink-faint); line-height:1.4; margin-top:2px;
}

/* blog content */
.post-hero{ padding:52px 0 20px; border-bottom:1px solid var(--line); }
.post-hero .cat{ font-family:var(--font-utility); font-size:12.5px; font-weight:700; color:var(--green-dark); text-transform:uppercase; letter-spacing:.05em; }
.post-hero .meta{ font-family:var(--font-utility); font-size:13px; color:var(--ink-faint); margin-top:10px; }
.content-layout{ display:grid; grid-template-columns:1fr 320px; gap:48px; padding:44px 0 72px; align-items:start; }
@media (max-width:900px){ .content-layout{ grid-template-columns:1fr; } }
.entry-content h2{ margin-top:1.4em; }
.entry-content p{ font-size:17px; }
.entry-content blockquote{
  margin:28px 0; padding:18px 22px; border-left:4px solid var(--green); background:var(--paper-soft);
  font-style:italic; color:var(--ink-soft); border-radius:0 10px 10px 0;
}

/* sidebar */
.widget{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:22px 22px 24px; margin-bottom:22px; }
.widget h4{ font-size:14px; font-family:var(--font-utility); text-transform:uppercase; letter-spacing:.04em; color:var(--ink-faint); margin-bottom:14px; }
.search-form{ display:flex; gap:8px; }
.search-form input[type="search"]{
  flex:1; padding:10px 14px; border:1px solid var(--line); border-radius:8px; font-family:var(--font-body);
}
.search-form button{ background:var(--blue); color:#fff; border:none; border-radius:8px; padding:0 14px; cursor:pointer; }
.widget ul{ list-style:none; margin:0; padding:0; }
.widget ul li{ padding:8px 0; border-bottom:1px solid var(--line); font-family:var(--font-utility); font-size:14px; }
.widget ul li:last-child{ border-bottom:none; }
.widget ul li a{ color:var(--ink-soft); display:flex; justify-content:space-between; }
.widget ul li a:hover{ color:var(--blue-dark); text-decoration:none; }

/* newsletter form */
.newsletter-form input[type="email"]{
  width:100%; padding:11px 14px; border:1px solid var(--line); border-radius:8px; margin-bottom:10px; font-family:var(--font-utility);
}
.newsletter-form .btn{ width:100%; justify-content:center; }
.newsletter-note{ font-family:var(--font-utility); font-size:12px; color:var(--ink-faint); margin-top:10px; }

/* shop filters */
.shop-toolbar{ display:flex; gap:24px; margin-bottom:32px; flex-wrap:wrap; }
.shop-filters{ flex:0 0 240px; }
.shop-results{ flex:1; min-width:0; }
.filter-group{ margin-bottom:22px; }
.filter-group h4{ font-size:13px; font-family:var(--font-utility); text-transform:uppercase; letter-spacing:.04em; color:var(--ink-faint); margin-bottom:10px; }
.filter-group label{ display:flex; align-items:center; gap:8px; font-family:var(--font-utility); font-size:14px; color:var(--ink-soft); padding:5px 0; }

/* footer */
.site-footer{ background:var(--ink); color:#C9D3D9; padding:56px 0 28px; margin-top:40px; }
.footer-grid{ display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:36px; }
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
.footer-grid h4{ font-family:var(--font-utility); font-size:13px; text-transform:uppercase; letter-spacing:.05em; color:#8FA0AA; margin-bottom:14px; }
.footer-grid ul{ list-style:none; margin:0; padding:0; }
.footer-grid ul li{ margin-bottom:8px; }
.footer-grid a{ color:#C9D3D9; font-family:var(--font-utility); font-size:14px; }
.footer-grid a:hover{ color:#fff; }
.footer-brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:800; color:#fff; font-size:18px; margin-bottom:12px; }
.footer-brand svg{ width:28px; height:28px; }
.footer-legal{ margin-top:40px; padding-top:24px; border-top:1px solid rgba(255,255,255,.1); font-family:var(--font-utility); font-size:12.5px; color:#8FA0AA; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; }
.social-row{ display:flex; gap:12px; margin-top:14px; }
.social-row a{ width:34px; height:34px; border-radius:50%; background:rgba(255,255,255,.08); display:flex; align-items:center; justify-content:center; }
.social-row svg{ width:16px; height:16px; }

/* woocommerce tweaks */
.woocommerce ul.products{ display:grid !important; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:22px; }
.woocommerce ul.products li.product{ background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:16px 16px 20px; box-shadow:var(--shadow); list-style:none; }
.woocommerce span.price{ font-family:var(--font-utility); font-weight:800; color:var(--ink); }
.woocommerce a.button, .woocommerce button.button{
  background:var(--blue) !important; color:#fff !important; border-radius:10px !important; font-family:var(--font-utility) !important;
  font-weight:700 !important; border:none !important;
}
.woocommerce a.button:hover, .woocommerce button.button:hover{ background:var(--blue-dark) !important; }