/* =========================================================
   DORMIR SOBRE RUEDAS — styles.css
   Marca: Dormir Sobre Ruedas
   Paleta: navy (noche/confianza), amber (atardecer/CTA), forest (naturaleza), sand (calidez)
   ========================================================= */

:root {
  --color-navy: #142033;
  --color-navy-light: #1f3350;
  --color-navy-soft: #2a3f60;
  --color-amber: #e8892e;
  --color-amber-dark: #c96f1e;
  --color-forest: #4b7a5b;
  --color-forest-dark: #395d45;
  --color-sand: #f6f1e7;
  --color-cream: #fffdf9;
  --color-text: #23272f;
  --color-text-light: #5b6472;
  --color-border: #e4ddcb;
  --color-white: #ffffff;
  --shadow-soft: 0 4px 20px rgba(20, 32, 51, 0.08);
  --shadow-strong: 0 10px 30px rgba(20, 32, 51, 0.16);
  --radius-md: 12px;
  --radius-lg: 20px;
  --container: 1180px;
  --font-heading: "Poppins", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
}

/* -------------------- Reset -------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-sand);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}

a {
  color: var(--color-forest-dark);
  text-decoration: none;
}

a:hover {
  color: var(--color-amber-dark);
}

ul,
ol {
  padding-left: 1.3rem;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-navy);
  line-height: 1.25;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 600; }
h3 { font-size: 1.25rem; font-weight: 600; }

p { margin: 0 0 1rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

section {
  padding: 3.5rem 0;
}

.section-tight { padding: 2.25rem 0; }

.section-alt {
  background: var(--color-cream);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-navy {
  background: var(--color-navy);
  color: #dfe6f2;
}
.section-navy h2, .section-navy h3 { color: var(--color-white); }
.section-navy a { color: var(--color-amber); }

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-amber-dark);
  margin-bottom: 0.6rem;
}

.lead {
  font-size: 1.1rem;
  color: var(--color-text-light);
}

.text-center { text-align: center; }

/* -------------------- Skip link -------------------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-amber);
  color: var(--color-navy);
  padding: 0.6rem 1rem;
  z-index: 1000;
  border-radius: 0 0 8px 0;
  font-weight: 700;
}
.skip-link:focus {
  left: 0;
}

/* -------------------- Header / Nav -------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: var(--color-navy);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  max-width: var(--container);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-white);
}
.brand:hover { color: var(--color-amber); }
.brand svg { flex-shrink: 0; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.main-nav ul {
  display: flex;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: #cbd5e6;
  font-weight: 500;
  font-size: 0.95rem;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-amber);
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-white);
  position: relative;
  transition: 0.2s;
}
.nav-toggle span::before { content: ""; position: absolute; top: -7px; }
.nav-toggle span::after { content: ""; position: absolute; top: 7px; }

/* -------------------- Buttons -------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--color-amber);
  color: var(--color-navy);
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover { background: var(--color-amber-dark); color: var(--color-white); }

.btn-secondary {
  background: transparent;
  border-color: var(--color-white);
  color: var(--color-white);
}
.btn-secondary:hover { background: rgba(255,255,255,0.12); color: var(--color-white); }

.btn-outline {
  background: transparent;
  border-color: var(--color-navy);
  color: var(--color-navy);
}
.btn-outline:hover { background: var(--color-navy); color: var(--color-white); }

.btn-affiliate {
  background: var(--color-forest);
  color: var(--color-white);
  width: 100%;
}
.btn-affiliate:hover { background: var(--color-forest-dark); color: var(--color-white); }

.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.88rem; }

/* -------------------- Hero -------------------- */
.hero {
  background: linear-gradient(180deg, rgba(20,32,51,0.72), rgba(20,32,51,0.86)), url("https://images.unsplash.com/photo-1533587851505-d119e13fa0d7?auto=format&fit=crop&w=1800&q=70") center/cover no-repeat;
  color: var(--color-white);
  padding: 5rem 0 4rem;
}
.hero-inner { max-width: 720px; }
.hero .eyebrow { color: var(--color-amber); }
.hero h1 { color: var(--color-white); }
.hero p.lead { color: #dfe6f2; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.6rem; }

.page-hero {
  background: linear-gradient(180deg, rgba(20,32,51,0.78), rgba(20,32,51,0.88)), center/cover no-repeat;
  color: var(--color-white);
  padding: 3.2rem 0 2.6rem;
}
.page-hero h1 { color: var(--color-white); margin-bottom: 0.4rem; }
.page-hero p { color: #dfe6f2; max-width: 680px; }

/* -------------------- Breadcrumbs -------------------- */
.breadcrumbs {
  font-size: 0.85rem;
  color: #b9c3d6;
  margin-bottom: 0.8rem;
}
.breadcrumbs a { color: #b9c3d6; }
.breadcrumbs a:hover { color: var(--color-amber); }
.breadcrumbs .sep { margin: 0 0.4rem; opacity: 0.6; }
.breadcrumbs[data-light] { color: var(--color-text-light); }
.breadcrumbs[data-light] a { color: var(--color-text-light); }

/* -------------------- Grids & Cards -------------------- */
.grid {
  display: grid;
  gap: 1.6rem;
}
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }

.card {
  background: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-strong); }
.card img { border-radius: 0; aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.card-body { padding: 1.25rem 1.35rem 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.card-body h3 { margin-bottom: 0.25rem; }
.card-body p { color: var(--color-text-light); font-size: 0.95rem; }
.card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-forest-dark);
  background: rgba(75,122,91,0.12);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  width: fit-content;
}
.card-footer { margin-top: auto; padding-top: 0.5rem; }

/* Category tiles */
.category-tile {
  background: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.4rem 1.2rem;
  text-align: left;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.category-tile:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
  border-color: var(--color-amber);
}
.category-tile .icon { font-size: 1.8rem; margin-bottom: 0.5rem; display: block; }
.category-tile h3 { margin-bottom: 0.3rem; font-size: 1.05rem; }
.category-tile p { font-size: 0.88rem; color: var(--color-text-light); margin: 0; }

/* -------------------- Tip / Callout boxes -------------------- */
.callout {
  border-left: 5px solid var(--color-amber);
  background: #fff6ea;
  padding: 1.1rem 1.3rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.6rem 0;
}
.callout h4 { margin-bottom: 0.4rem; color: var(--color-amber-dark); }
.callout.callout-forest { border-color: var(--color-forest); background: #eef5f0; }
.callout.callout-forest h4 { color: var(--color-forest-dark); }
.callout.callout-navy { border-color: var(--color-navy); background: #eef1f6; }
.callout.callout-navy h4 { color: var(--color-navy); }
.callout p:last-child { margin-bottom: 0; }

/* -------------------- Product box -------------------- */
.product-box {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.2rem;
  align-items: center;
  background: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.1rem;
  margin: 1.8rem 0;
}
.product-box img { border-radius: var(--radius-md); aspect-ratio: 1/1; object-fit: cover; }
.product-box h4 { margin-bottom: 0.3rem; }
.product-box .price-hint { color: var(--color-text-light); font-size: 0.85rem; margin-bottom: 0.6rem; }
.product-box .stars { color: var(--color-amber-dark); font-size: 0.9rem; margin-bottom: 0.3rem; }

/* -------------------- Tables -------------------- */
.table-wrap { overflow-x: auto; margin: 1.6rem 0; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  background: var(--color-cream);
}
thead th {
  background: var(--color-navy);
  color: var(--color-white);
  text-align: left;
  padding: 0.85rem 1rem;
  font-family: var(--font-heading);
  font-size: 0.92rem;
}
tbody td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.92rem;
  vertical-align: top;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:nth-child(even) { background: rgba(75,122,91,0.05); }
td strong { color: var(--color-navy); }

/* -------------------- FAQ -------------------- */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.8rem;
  background: var(--color-cream);
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1rem 1.2rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.faq-question::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--color-amber-dark);
  flex-shrink: 0;
}
.faq-item[data-open="true"] .faq-question::after { content: "−"; }
.faq-answer {
  padding: 0 1.2rem 1.1rem;
  color: var(--color-text-light);
  display: none;
}
.faq-item[data-open="true"] .faq-answer { display: block; }

/* -------------------- TOC (índice) -------------------- */
.toc {
  background: var(--color-cream);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.4rem;
  margin: 1.5rem 0 2rem;
}
.toc h2 { font-size: 1.05rem; margin-bottom: 0.6rem; }
.toc ol { margin: 0; padding-left: 1.1rem; }
.toc a { font-weight: 500; }

/* -------------------- Article layout -------------------- */
.article-header { padding: 2.6rem 0 1.5rem; }
.article-meta { color: var(--color-text-light); font-size: 0.88rem; margin-bottom: 0.6rem; }
.article-body { max-width: 780px; }
.article-body h2 { margin-top: 2.2rem; }
.article-body h3 { margin-top: 1.5rem; }
.article-body ul, .article-body ol { margin-bottom: 1.1rem; }
.article-layout { display: grid; grid-template-columns: minmax(0,780px) 1fr; gap: 2.5rem; align-items: start; }
.article-sidebar { position: sticky; top: 90px; display: flex; flex-direction: column; gap: 1.3rem; }
.sidebar-box { background: var(--color-cream); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 1.2rem; }
.sidebar-box h4 { margin-bottom: 0.7rem; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-forest-dark); }
.sidebar-box ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.sidebar-box a { font-size: 0.9rem; }

/* -------------------- Trust / stats -------------------- */
.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1.5rem;
  text-align: center;
}
.trust-item strong { display: block; font-family: var(--font-heading); font-size: 1.7rem; color: var(--color-amber); }
.trust-item span { font-size: 0.88rem; color: #cbd5e6; }

/* -------------------- Forms -------------------- */
.form-grid { display: grid; gap: 1.1rem; max-width: 560px; }
label { display: block; font-weight: 600; margin-bottom: 0.35rem; font-size: 0.92rem; color: var(--color-navy); }
input, textarea, select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--color-white);
  color: var(--color-text);
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--color-amber);
  outline-offset: 1px;
  border-color: var(--color-amber);
}
.form-note { font-size: 0.82rem; color: var(--color-text-light); }

/* -------------------- Affiliate disclosure banner -------------------- */
.affiliate-note {
  background: #fff6ea;
  border: 1px solid #f0d3a4;
  color: #6b4a1a;
  font-size: 0.85rem;
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius-md);
  margin: 1.4rem 0;
}
.affiliate-note a { color: #6b4a1a; text-decoration: underline; }

/* -------------------- Footer -------------------- */
.site-footer {
  background: var(--color-navy);
  color: #b9c3d6;
  padding: 3rem 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-grid h4 { color: var(--color-white); font-size: 0.95rem; margin-bottom: 0.9rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.55rem; }
.footer-grid a { color: #b9c3d6; font-size: 0.9rem; }
.footer-grid a:hover { color: var(--color-amber); }
.footer-brand { display: flex; align-items: center; gap: 0.5rem; font-family: var(--font-heading); font-weight: 700; font-size: 1.15rem; color: var(--color-white); margin-bottom: 0.8rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 1.3rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
  font-size: 0.82rem;
}

/* -------------------- Cookie banner -------------------- */
.cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  max-width: 560px;
  margin: 0 auto;
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.3rem;
  box-shadow: var(--shadow-strong);
  z-index: 900;
  display: none;
}
.cookie-banner[data-visible="true"] { display: block; }
.cookie-banner p { font-size: 0.86rem; color: #dfe6f2; margin-bottom: 0.9rem; }
.cookie-actions { display: flex; gap: 0.7rem; flex-wrap: wrap; }

/* -------------------- Back to top -------------------- */
.back-top {
  position: fixed;
  bottom: 1.2rem;
  right: 1.2rem;
  background: var(--color-amber);
  color: var(--color-navy);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-strong);
  border: none;
  cursor: pointer;
  z-index: 800;
}
.back-top[data-visible="true"] { display: flex; }

/* -------------------- Utility -------------------- */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.badge {
  display: inline-block;
  background: var(--color-forest);
  color: var(--color-white);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge-amber { background: var(--color-amber); color: var(--color-navy); }

/* -------------------- 404 -------------------- */
.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1.25rem;
}
.error-page .error-code { font-family: var(--font-heading); font-size: 5rem; color: var(--color-amber); font-weight: 700; }

/* -------------------- Responsive -------------------- */
@media (max-width: 960px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
}

@media (max-width: 780px) {
  .main-nav {
    position: fixed;
    inset: 64px 0 0 0;
    background: var(--color-navy);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem 1.25rem;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    overflow-y: auto;
  }
  .main-nav[data-open="true"] { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 0; width: 100%; }
  .main-nav ul li { width: 100%; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .main-nav a { display: block; padding: 0.85rem 0; }
  .main-nav .nav-cta { margin-top: 1.2rem; }
  .nav-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .product-box { grid-template-columns: 90px 1fr; }
}

@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 2.5rem 0; }
  .hero { padding: 3.5rem 0 3rem; }
}