/* =====================================================================
   COMPONENTES DEL MOTOR: header, scrollbar, botones, tabs, preloader
   ===================================================================== */

/* ---------- Tema por sección ----------
   [data-theme] recibe theme_on-dark | theme_on-light | theme_on-brand
   según la sección [data-bg] que tenga debajo. */
[data-theme] { --fg: var(--white); --fg-line: var(--line-on-dark); color: var(--fg); transition: color var(--t-ui) var(--ease-out); }
[data-theme].theme_on-light { --fg: var(--ink); --fg-line: var(--line-on-light); }
[data-theme].theme_on-brand { --fg: var(--ink); --fg-line: var(--line-on-light); }
[data-theme].theme_on-dark { --fg: var(--white); --fg-line: var(--line-on-dark); }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--header-h);
  display: grid; grid-template-columns: 1fr auto; align-items: center;
  padding-inline: var(--margin);
  pointer-events: none;
}
.header > * { pointer-events: auto; }
.header_logo { display: block; width: clamp(120px, 11vw, 168px); color: var(--fg); }
.header_logo svg { width: 100%; height: auto; }
.header_nav { display: flex; align-items: center; gap: var(--s-4); }
.nav-link {
  position: relative; display: inline-block; padding: 12px 0;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; font-weight: 500;
  line-height: 1.2;
}
.nav-link_txt { display: block; position: relative; overflow: hidden; }
.nav-link_txt > span { display: block; transition: transform var(--t-hover) var(--ease-out); }
.nav-link_txt > span + span { position: absolute; inset: 0; transform: translateY(110%); }
.nav-link:hover .nav-link_txt > span:first-child,
.nav-link:focus-visible .nav-link_txt > span:first-child { transform: translateY(-110%); }
.nav-link:hover .nav-link_txt > span + span,
.nav-link:focus-visible .nav-link_txt > span + span { transform: translateY(0); }
.nav-link--primary { padding-inline: 20px; border: 1px solid var(--fg-line); border-radius: 999px; transition: border-color var(--t-hover) var(--ease-out), background-color var(--t-hover) var(--ease-out), color var(--t-hover) var(--ease-out); }
.nav-link--primary:hover { background: var(--fg); color: var(--paper); border-color: var(--fg); }
.theme_on-light .nav-link--primary:hover, .theme_on-brand .nav-link--primary:hover { color: var(--paper); }
.nav-link:active { transform: scale(0.97); }
.header_burger { display: none; width: 44px; height: 44px; flex-direction: column; align-items: center; justify-content: center; gap: 6px; }
.header_burger span { display: block; width: 22px; height: 1.5px; background: currentColor; transition: transform var(--t-ui) var(--ease-out); }

@media (max-width: 991px) {
  :root { --header-h: 72px; }
  .header_nav { display: none; }
  .header_burger { display: flex; }
}

/* ---------- Scrollbar lateral ---------- */
.s-bar {
  position: fixed; left: var(--sbar-left); top: 50%; transform: translateY(-50%);
  z-index: 90; display: flex; flex-direction: column; align-items: center; gap: var(--s-3);
  pointer-events: none;
}
.s-bar_track { position: relative; width: 1px; height: clamp(96px, 18vh, 160px); background: var(--fg-line); }
.s-bar_thumb { position: absolute; left: -1.5px; top: 0; width: 4px; height: 28px; border-radius: 2px; background: var(--fg); }
.s-bar_label { writing-mode: vertical-rl; transform: rotate(180deg); opacity: 0.7; }
.s-bar_num { font-variant-numeric: tabular-nums; }
@media (max-width: 991px) { .s-bar { display: none; } }

/* ---------- Botón circular con texto giratorio ---------- */
.btn-circle {
  --size: clamp(112px, 9.5vw, 136px);
  position: relative; display: grid; place-items: center;
  width: var(--size); height: var(--size); border-radius: 50%;
  color: var(--white); isolation: isolate;
}
.btn-circle_ring { position: absolute; inset: 0; width: 100%; height: 100%; }
.btn-circle_ring circle { fill: none; stroke: currentColor; stroke-opacity: 0.35; stroke-width: 1; transition: stroke-opacity var(--t-hover) var(--ease-out); }
.btn-circle_ring text { font-family: var(--font-ui); font-size: 9.5px; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; fill: currentColor; }
.btn-circle_inner {
  display: grid; place-items: center; width: 48%; height: 48%; border-radius: 50%;
  border: 1px solid currentColor; transition: transform var(--t-hover) var(--ease-out), background-color var(--t-hover) var(--ease-out), color var(--t-hover) var(--ease-out);
}
.btn-circle_inner svg { width: 34%; height: auto; stroke: currentColor; fill: none; stroke-width: 1.4; }
.btn-circle:hover .btn-circle_ring circle { stroke-opacity: 0.8; }
.btn-circle:hover .btn-circle_inner { background: var(--white); color: var(--ink); transform: scale(1.06); }
.btn-circle:active .btn-circle_inner { transform: scale(0.97); }

/* ---------- Botón pill ---------- */
.btn-pill {
  display: inline-flex; align-items: center; gap: 12px; min-height: 48px; padding: 0 28px;
  border: 1px solid currentColor; border-radius: 999px;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; font-weight: 500;
  transition: background-color var(--t-hover) var(--ease-out), color var(--t-hover) var(--ease-out), transform var(--t-micro) var(--ease-out);
}
.btn-pill:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.on-dark .btn-pill:hover { background: var(--white); color: var(--ink); border-color: var(--white); }
.btn-pill:active { transform: scale(0.97); }

/* ---------- Tabs (día / noche) ---------- */
.tabs { display: inline-flex; align-items: center; gap: var(--s-3); }
.tabs [role="tab"] {
  position: relative; padding: 12px 0; min-width: 44px;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; font-weight: 500;
  opacity: 0.55; transition: opacity var(--t-hover) var(--ease-out);
}
.tabs [role="tab"][aria-selected="true"], .tabs [role="tab"]:hover { opacity: 1; }
.tabs_line { position: relative; width: clamp(48px, 6vw, 96px); height: 1px; background: var(--line-on-dark); }
.tabs_line::after {
  content: ""; position: absolute; top: -2px; width: 5px; height: 5px; border-radius: 50%; background: currentColor;
  left: 0; transition: left var(--t-ui) var(--ease-inout);
}
.tabs.is-second .tabs_line::after { left: calc(100% - 5px); }

/* ---------- Preloader ---------- */
.preloader {
  position: fixed; inset: 0; z-index: 300; display: grid; place-items: center;
  background: var(--paper); color: var(--ink);
  clip-path: inset(0 0 0 0);
}
.preloader_rings {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.55;
  background:
    radial-gradient(circle at 50% 50%, transparent 0 149px, var(--line-on-light) 150px 151px, transparent 152px),
    radial-gradient(circle at 50% 50%, transparent 0 299px, var(--line-on-light) 300px 301px, transparent 302px),
    radial-gradient(circle at 50% 50%, transparent 0 479px, var(--line-on-light) 480px 481px, transparent 482px);
}
.preloader_center { position: relative; display: grid; justify-items: center; gap: var(--s-4); }
.preloader_logo { width: clamp(180px, 22vw, 300px); }
.preloader_bar { position: relative; width: clamp(160px, 20vw, 260px); height: 1px; background: var(--line-on-light); overflow: hidden; }
.preloader_bar_fill { position: absolute; inset: 0; background: var(--ink); transform-origin: left; transform: scaleX(0); }
.preloader_num { font-variant-numeric: tabular-nums; color: var(--olive); }
.preloader.is-done { display: none; }

/* ---------- Menú móvil (modal) ---------- */
.menu { position: fixed; inset: 0; z-index: 200; background: var(--deep); color: var(--white); display: grid; align-content: center; padding: var(--header-h) var(--margin) var(--s-6); gap: var(--s-5); clip-path: inset(0 0 100% 0); visibility: hidden; }
.menu.is-open { visibility: visible; }
.menu_list { display: grid; gap: var(--s-2); }
.menu_list a { font-family: var(--font-display); font-weight: 200; font-size: clamp(2.2rem, 9vw, 4rem); text-transform: uppercase; letter-spacing: 0.02em; line-height: 1.1; padding: 6px 0; display: block; }
.menu_meta { display: grid; gap: 8px; font-size: 14px; opacity: 0.8; }
.menu_close { position: absolute; top: calc(var(--header-h) / 2 - 22px); right: var(--margin); width: 44px; height: 44px; display: grid; place-items: center; }
.menu_close span { position: absolute; width: 22px; height: 1.5px; background: currentColor; }
.menu_close span:first-child { transform: rotate(45deg); } .menu_close span:last-child { transform: rotate(-45deg); }
.header.is-menu-open { color: var(--white); }
body.is-locked { overflow: hidden; }

/* ---------- Tabla de datos (tipologías) ---------- */
.data-row { display: flex; justify-content: space-between; gap: var(--s-3); padding: 10px 0; border-top: 1px solid var(--line-on-light); font-size: 14px; }
.data-row span:first-child { opacity: 0.6; }

/* ---------- Link con flecha ---------- */
.link-arrow { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; font-weight: 500; }
.link-arrow::after { content: ""; width: 28px; height: 1px; background: currentColor; transition: width var(--t-hover) var(--ease-out); }
.link-arrow:hover::after { width: 44px; }