:root {
  color-scheme: dark;
  --bg: #0c0e10;
  --bg-glow: rgba(210, 105, 30, 0.2);
  --surface: rgba(27, 29, 31, 0.72);
  --surface-strong: rgba(21, 23, 25, 0.88);
  --ink: #f5f5f7;
  --muted: #a5a7ac;
  --line: rgba(255, 255, 255, 0.13);
  --accent: #e7833e;
  --accent-soft: rgba(231, 131, 62, 0.16);
  --shadow: 0 20px 80px rgba(0, 0, 0, 0.3);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f2f3f5;
  --bg-glow: rgba(210, 105, 30, 0.18);
  --surface: rgba(255, 255, 255, 0.7);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --ink: #151619;
  --muted: #5e6168;
  --line: rgba(14, 16, 20, 0.12);
  --accent: #b95b19;
  --accent-soft: rgba(185, 91, 25, 0.12);
  --shadow: 0 20px 70px rgba(49, 51, 58, 0.15);
}

html, body {
  background: var(--bg);
  color: var(--ink);
}

body.liquid-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% 8%, var(--bg-glow), transparent 32rem),
    radial-gradient(circle at 96% 75%, rgba(108, 138, 171, 0.16), transparent 36rem),
    var(--bg);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.liquid-nav, .liquid-card, .liquid-faq, .liquid-footer, .liquid-controls {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(28px) saturate(150%);
  -webkit-backdrop-filter: blur(28px) saturate(150%);
}

.liquid-nav {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1180px;
  margin: 12px auto 0;
  padding: 11px 14px 11px 20px;
  border-radius: 22px;
}

.brand {
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.nav-links { display: flex; gap: 4px; }
.nav-links a, .nav-action, .theme-button, .language-select {
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  text-decoration: none;
}
.nav-links a { padding: 9px 11px; border-radius: 12px; }
.nav-links a:hover, .nav-links a[aria-current="page"] { background: var(--accent-soft); color: var(--accent); }

.nav-tools { display: flex; align-items: center; gap: 8px; }
.liquid-controls { display: flex; align-items: center; gap: 6px; padding: 4px; border-radius: 14px; box-shadow: none; }
.theme-button, .language-select, .nav-action {
  border: 0;
  background: transparent;
  cursor: pointer;
}
.theme-button { min-width: 35px; height: 32px; border-radius: 10px; color: var(--ink); }
.theme-button:hover { background: var(--accent-soft); color: var(--accent); }
.theme-button.material-symbols-outlined, .nav-action.material-symbols-outlined,
.language-picker summary.material-symbols-outlined {
  font-family: "Material Symbols Outlined";
  font-weight: normal;
  font-style: normal;
  line-height: 1;
}
.language-select { max-width: 92px; color: var(--ink); padding: 0 4px; }
.language-select {
  appearance: none;
  -webkit-appearance: none;
  min-height: 32px;
  padding: 0 23px 0 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-strong) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238e8e93' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 7px center;
}
.language-select option {
  background: #1b1d1f;
  color: #f5f5f7;
}
:root[data-theme="light"] .language-select option {
  background: #fff;
  color: #151619;
}
.language-picker { position: relative; }
.language-picker summary {
  display: grid;
  place-items: center;
  width: 35px;
  height: 32px;
  border-radius: 10px;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.language-picker summary::-webkit-details-marker { display: none; }
.language-picker summary:hover { background: var(--accent-soft); color: var(--accent); }
.language-menu {
  position: absolute;
  top: calc(100% + 9px);
  right: 0;
  display: grid;
  min-width: 126px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
}
.language-menu button {
  border: 0;
  border-radius: 10px;
  padding: 9px 10px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  font: 13px/1.2 Inter, system-ui, sans-serif;
  cursor: pointer;
}
.language-menu button:hover, .language-menu button[aria-current="true"] {
  background: var(--accent-soft);
  color: var(--accent);
}
html[dir="rtl"] .language-menu { right: auto; left: 0; }
.nav-action { display: grid; place-items: center; width: 35px; height: 35px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); }

.contact-shell { max-width: 1180px; margin: 0 auto; padding: 74px 24px 52px; }
.eyebrow { color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; }
.contact-hero { max-width: 720px; }
.contact-hero h1 { margin: 12px 0 16px; color: var(--ink); font-size: clamp(40px, 6vw, 72px); line-height: .98; letter-spacing: -0.065em; }
.contact-hero p { max-width: 600px; margin: 0; color: var(--muted); font-size: clamp(16px, 2.1vw, 19px); line-height: 1.55; }

.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 52px; }
.liquid-card { min-height: 190px; padding: 24px; border-radius: 28px; }
.card-icon { display: grid; place-items: center; width: 42px; height: 42px; margin-bottom: 28px; border-radius: 15px; background: var(--accent-soft); color: var(--accent); }
.liquid-card h2 { margin: 0 0 9px; color: var(--ink); font-size: 16px; }
.liquid-card p, .liquid-card a { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; text-decoration: none; }
.liquid-card a:hover { color: var(--accent); }

.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.button-primary, .button-secondary { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 16px; font-weight: 600; font-size: 14px; text-decoration: none; transition: transform .2s ease, background .2s ease; }
.button-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 24px rgba(210, 105, 30, .25); }
.button-secondary { border: 1px solid var(--line); background: var(--surface-strong); color: var(--ink); }
.button-primary:hover, .button-secondary:hover { transform: translateY(-2px); }

.faq-section { margin-top: 84px; }
.section-heading { margin-bottom: 22px; color: var(--ink); font-size: clamp(28px, 4vw, 42px); letter-spacing: -.045em; }
.faq-list { display: grid; gap: 12px; }
.liquid-faq { padding: 0 22px; border-radius: 20px; box-shadow: none; }
.liquid-faq summary { padding: 20px 28px 20px 0; color: var(--ink); cursor: pointer; font-size: 16px; font-weight: 600; list-style: none; }
.liquid-faq summary::-webkit-details-marker { display: none; }
.liquid-faq summary::after { content: "+"; position: absolute; right: 21px; color: var(--accent); font-size: 22px; font-weight: 400; }
.liquid-faq { position: relative; }
.liquid-faq[open] summary::after { content: "−"; }
.liquid-faq p { max-width: 760px; margin: -3px 0 20px; color: var(--muted); font-size: 15px; line-height: 1.65; }
.trust-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 62px; padding: 18px; border-radius: 24px; }
.trust-row div { padding: 10px 12px; color: var(--muted); font-size: 13px; }
.trust-row strong { display: block; margin-bottom: 4px; color: var(--ink); font-size: 14px; }
.liquid-footer { max-width: 1180px; margin: 0 auto 18px; padding: 24px; border-radius: 24px; color: var(--muted); font-size: 13px; box-shadow: none; }
.liquid-footer strong { color: var(--ink); }

@media (max-width: 720px) {
  .liquid-nav { top: 8px; margin: 8px 10px 0; padding: 10px 12px 10px 16px; border-radius: 18px; }
  .nav-links { display: none; }
  .brand { font-size: 14px; }
  .nav-tools { gap: 4px; }
  .language-select { max-width: 74px; font-size: 12px; }
  .contact-shell { padding: 58px 18px 34px; }
  .contact-cards { grid-template-columns: 1fr; margin-top: 34px; }
  .liquid-card { min-height: auto; padding: 22px; }
  .card-icon { margin-bottom: 18px; }
  .faq-section { margin-top: 58px; }
  .trust-row { grid-template-columns: 1fr; margin-top: 42px; }
  .liquid-footer { margin: 0 10px 10px; padding: 20px; }
}

html[dir="rtl"] .liquid-faq summary { padding: 20px 0 20px 28px; }
html[dir="rtl"] .liquid-faq summary::after { right: auto; left: 21px; }

/* Adaptación progresiva para las vistas existentes del escaparate. */
:root[data-theme="light"] body:not(.liquid-page) {
  background-color: #f2f3f5 !important;
  color: #151619 !important;
}
:root[data-theme="light"] body:not(.liquid-page) .bg-background,
:root[data-theme="light"] body:not(.liquid-page) .bg-matte-black,
:root[data-theme="light"] body:not(.liquid-page) .bg-matte,
:root[data-theme="light"] body:not(.liquid-page) .dark\:bg-matte-black\/80 {
  background-color: rgba(255, 255, 255, .82) !important;
}
:root[data-theme="light"] body:not(.liquid-page) .text-space-white,
:root[data-theme="light"] body:not(.liquid-page) .text-on-background {
  color: #151619 !important;
}
:root[data-theme="light"] body:not(.liquid-page) .text-metallic-grey,
:root[data-theme="light"] body:not(.liquid-page) .text-on-surface-variant {
  color: #5e6168 !important;
}
body:not(.liquid-page) .liquid-controls { margin-left: 10px; box-shadow: none; }