:root {
  --bg: #f6f7f8;
  --surface: #ffffff;
  --surface-2: #fcfcfd;
  --ink: #16171a;
  --ink-soft: #4a4e57;
  --line: #e7e8eb;
  --line-strong: #d8dbe0;
  --brand: #df1f26;
  --brand-dark: #a31217;
  --brand-soft: rgba(223, 31, 38, 0.08);
  --black: #101114;
  --ok: #127453;
  --warn: #8f5b00;
  --max: 1180px;
  --radius: 22px;
  --radius-sm: 16px;
  --shadow: 0 18px 60px rgba(10, 12, 18, 0.08);
  --shadow-soft: 0 10px 28px rgba(10, 12, 18, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
.container { width: min(calc(100% - 28px), var(--max)); margin: 0 auto; }
.skip-link {
  position: absolute; left: -9999px; top: auto;
}
.skip-link:focus {
  left: 16px; top: 16px; z-index: 999; background: #fff; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--line-strong);
}

.site-header {
  position: sticky; top: 0; z-index: 80;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid rgba(0,0,0,.06);
  backdrop-filter: blur(14px);
}
.header-inner {
  min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 18px;
}
.brand-zone { display: flex; align-items: center; gap: 14px; min-width: 0; }
.expertos-badge img { width: 42px; height: 42px; object-fit: contain; }
.brand-logo-wrap {
  min-width: 0; display: flex; align-items: center; gap: 12px; padding-left: 14px; border-left: 1px solid var(--line);
}
.brand-logo-wrap img { width: 118px; max-height: 46px; object-fit: contain; }
.brand-copy strong { display: block; font-size: .96rem; }
.brand-copy span { display: block; font-size: .78rem; color: var(--ink-soft); }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: #fff; border-radius: 14px; padding: 10px 12px; font-weight: 700;
}
.main-nav { display: flex; gap: 20px; align-items: center; }
.main-nav a {
  font-size: .95rem; font-weight: 700; color: #2d2f34; position: relative;
}
.main-nav a:hover, .main-nav a.active { color: var(--black); }
.main-nav a.active::after,
.main-nav a:hover::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -10px; height: 2px; border-radius: 999px; background: var(--brand);
}

.hero, .page-hero { padding: 28px 0 14px; }
.hero-grid, .page-hero-inner {
  display: grid; grid-template-columns: 1fr; gap: 24px; align-items: stretch;
}
.hero-copy, .page-hero-copy {
  background: linear-gradient(180deg, #fff, #fbfbfc);
  border: 1px solid var(--line); border-radius: 28px; padding: 30px; box-shadow: var(--shadow);
}
.hero-media, .page-hero-media {
  overflow: hidden; border-radius: 28px; border: 1px solid var(--line); min-height: 360px; box-shadow: var(--shadow);
}
.hero-media img, .page-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.eyebrow {
  display: inline-flex; align-items: center; min-height: 34px; padding: 0 12px; border-radius: 999px;
  background: var(--brand-soft); color: var(--brand-dark); font-size: .8rem; font-weight: 800; letter-spacing: .03em; text-transform: uppercase;
}
.hero h1, .page-hero h1 {
  margin: 14px 0 12px; line-height: 1.08; font-size: clamp(2rem, 4vw, 3.4rem);
}
.hero p, .page-hero p { margin: 0; color: var(--ink-soft); font-size: 1.02rem; }
.hero-actions, .action-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 18px;
  border-radius: 14px; font-weight: 800; border: 1px solid transparent; transition: transform .18s ease, box-shadow .18s ease;
}
.button:hover { transform: translateY(-1px); box-shadow: var(--shadow-soft); }
.button-primary { background: linear-gradient(180deg, var(--brand), var(--brand-dark)); color: #fff; }
.button-secondary { background: #fff; border-color: var(--line-strong); color: var(--ink); }
.button-ghost { background: transparent; border-color: var(--line-strong); }

.highlights {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 20px;
}
.highlight {
  background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 16px; box-shadow: var(--shadow-soft);
}
.highlight strong { display: block; margin-bottom: 6px; font-size: .95rem; }
.highlight span { color: var(--ink-soft); font-size: .92rem; }

.section { padding: 26px 0; }
.section-tight { padding: 16px 0 26px; }
.section-title { margin: 0 0 8px; line-height: 1.12; font-size: clamp(1.5rem, 2.8vw, 2.25rem); }
.section-intro { margin: 0 0 20px; max-width: 820px; color: var(--ink-soft); }
.centered { text-align: center; margin-inline: auto; }

.card-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.card-grid-3 { display: grid; grid-template-columns: 1fr; gap: 20px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-soft);
}
.card-image { aspect-ratio: 16/10; background: #e8ebef; }
.card-image img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 22px; }
.card h2, .card h3 { margin: 0 0 8px; font-size: 1.28rem; line-height: 1.18; }
.card p { margin: 0 0 14px; color: var(--ink-soft); }
.card-link { color: var(--brand-dark); font-weight: 800; }

.band {
  background: linear-gradient(180deg, #141518, #101114); color: #fff; border-top: 1px solid rgba(255,255,255,.08); border-bottom: 1px solid rgba(255,255,255,.08);
}
.band .section-intro, .band p { color: #d1d5da; }
.band-card {
  background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.09); border-radius: 22px; padding: 22px;
}
.band-card strong { display: block; margin-bottom: 8px; }

.info-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.info-box {
  background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px; box-shadow: var(--shadow-soft);
}
.info-box strong { display: block; margin-bottom: 8px; }
.info-box p { margin: 0; color: var(--ink-soft); }

.content-wrap {
  display: grid; grid-template-columns: 1fr; gap: 22px; padding: 22px 0 30px;
}
.content-main, .content-side {
  background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 24px; box-shadow: var(--shadow-soft);
}
.content-main h2 { margin-top: 0; }
.content-main h3 { margin-top: 28px; }
.content-main p, .content-main li, .content-side p { color: #333841; }
.content-main ul, .content-main ol { padding-left: 18px; }
.sticky-box { position: sticky; top: 94px; }
.box { background: #fbfbfc; border: 1px solid var(--line); border-radius: 18px; padding: 18px; }
.box + .box { margin-top: 16px; }
.summary-list { margin: 0; padding-left: 18px; }
.summary-list li { margin-bottom: 10px; }
.inline-note {
  border-left: 4px solid var(--brand); background: #fff7f7; border-radius: 14px; padding: 14px 16px; color: #31343a;
}
.badge-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.badge {
  display: inline-flex; align-items: center; min-height: 34px; padding: 0 12px; border-radius: 999px; background: #f2f3f5; border: 1px solid var(--line); font-size: .88rem; font-weight: 700;
}
.pros-cons {
  display: grid; grid-template-columns: 1fr; gap: 16px;
}
.note-good, .note-care {
  border-radius: 20px; padding: 18px; border: 1px solid var(--line);
}
.note-good { background: #f4fbf8; }
.note-care { background: #fff8f0; }
.table-wrap { overflow-x: auto; }
table.compare {
  width: 100%; border-collapse: collapse; min-width: 760px; background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
}
table.compare th, table.compare td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.compare th { background: #f8f9fb; font-size: .95rem; }

.faq-list { display: grid; gap: 14px; }
.faq-item {
  background: #fff; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-soft);
}
.faq-question {
  width: 100%; background: transparent; border: 0; padding: 18px 56px; display: block; position: relative; text-align: center; font-weight: 800; cursor: pointer;
}
.faq-label { display:block; width:100%; text-align:center; }
.faq-answer { padding: 0 20px 18px; color: var(--ink-soft); display: none; }
.faq-item.open .faq-answer { display: block; }
.faq-icon { position:absolute; right:18px; top:50%; transform:translateY(-50%); width:24px; height:24px; display:inline-flex; align-items:center; justify-content:center; font-size:1.2rem; color: var(--brand-dark); }

.author-card {
  display: grid; grid-template-columns: 140px 1fr; gap: 18px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 22px; box-shadow: var(--shadow-soft);
}
.author-card img { width: 140px; height: 140px; border-radius: 24px; object-fit: cover; }
.author-card p { margin: 0; color: var(--ink-soft); }
.author-links { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 14px; }

.legal-box, .notice-box {
  background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 22px; box-shadow: var(--shadow-soft);
}
.legal-box h2, .notice-box h2 { margin-top: 0; }
.small-note, .meta-note { color: var(--ink-soft); font-size: .92rem; }
.site-footer {
  margin-top: 26px; background: #101114; color: #f0f2f4; border-top: 1px solid rgba(255,255,255,.06);
}
.footer-inner { padding: 32px 0; text-align: center; }
.footer-logo { width: min(100%, 360px); margin: 0 auto 18px; }
.footer-copy { max-width: 860px; margin: 0 auto 18px; color: #d0d5dc; }
.footer-links, .footer-mini { display: flex; justify-content: center; gap: 14px 18px; flex-wrap: wrap; }
.footer-links a, .footer-mini a { color: #ffffff; font-weight: 700; }
.footer-mini { margin-top: 18px; font-size: .92rem; }

.cookie-banner {
  position: fixed; left: 14px; right: 14px; bottom: 14px; z-index: 120;
  background: rgba(16,17,20,.98); color: #fff; border: 1px solid rgba(255,255,255,.12); border-radius: 22px; box-shadow: var(--shadow);
  padding: 18px; display: none;
}
.cookie-banner.show { display: block; }
.cookie-banner p { margin: 0 0 14px; color: #d6dae1; }
.cookie-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.cookie-actions button {
  border: 1px solid rgba(255,255,255,.12); background: transparent; color: #fff; min-height: 44px; padding: 0 16px; border-radius: 14px; cursor: pointer; font-weight: 800;
}
.cookie-actions .accept { background: linear-gradient(180deg, var(--brand), var(--brand-dark)); border-color: transparent; }
.back-top {
  position: fixed; right: 16px; bottom: 110px; z-index: 90; width: 46px; height: 46px; border-radius: 999px;
  display: none; align-items: center; justify-content: center; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-soft);
}
.back-top.show { display: inline-flex; }
.sep { height: 1px; background: var(--line); margin: 18px 0; }

@media (max-width: 1024px) {
  .hero-grid, .page-hero-inner, .content-wrap, .card-grid-3, .info-grid { grid-template-columns: 1fr 1fr; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .content-wrap { grid-template-columns: 1fr; }
  .sticky-box { position: static; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 20px), var(--max)); }
  .header-inner { min-height: 72px; }
  .nav-toggle { display: inline-flex; align-items: center; }
  .main-nav {
    display: none; position: absolute; left: 0; right: 0; top: 73px; background: rgba(255,255,255,.98);
    border-bottom: 1px solid var(--line); padding: 14px 14px 18px; flex-direction: column; align-items: stretch; gap: 12px;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 12px; border-radius: 14px; background: #f7f8fa; }
  .main-nav a.active::after, .main-nav a:hover::after { display: none; }
  .hero-grid, .page-hero-inner, .card-grid, .card-grid-3, .info-grid, .highlights, .pros-cons, .author-card {
    grid-template-columns: 1fr;
  }
  .hero-copy, .page-hero-copy, .content-main, .content-side, .legal-box, .notice-box { padding: 20px; }
  .brand-logo-wrap img { width: 100px; }
  .hero-media, .page-hero-media { min-height: 240px; }
  .footer-inner { padding-bottom: 100px; }
}


/* V10 hardening */
li::marker { content: ""; }
.cookie-banner.show { display:block; }
.back-top { opacity:0; visibility:hidden; pointer-events:none; }
.back-top.show { opacity:1; visibility:visible; pointer-events:auto; display:inline-flex; }
