/*
Theme Name: RCA Motorsport
Theme URI: https://rcamotorsport.com
Author: TRX Studio
Author URI: https://trx.studio
Description: Tema a medida para RCA Motorsport — taller mecánico especializado en electrónica del automóvil en Vigo. Diseño "Aceiro": paper cálido + steel-blue estructural + rojo brick como signal puntual. Mobile-first, accesible AA/AAA, sin dependencias de frameworks pesados.
Version: 0.1.0
Requires at least: 6.4
Tested up to: 6.6
Requires PHP: 8.1
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: rca-motorsport
Domain Path: /languages
Tags: custom-theme, automotive, local-business, two-languages, accessibility-ready, custom-colors, custom-logo, custom-menu, footer-widgets, threaded-comments, translation-ready
*/

/* ==========================================================================
   1. Design tokens — Paleta ACEIRO (aprobada)
   Light mode. Brand primary (#A8352A) = SOLO signal accent (CTAs, errors).
   Brand secondary (#3E5E78) = workhorse estructural (stripes, focus, links).
   ========================================================================== */

:root {
  /* ---- Marca ---- */
  --rca-brand-primary:          #A8352A;
  --rca-brand-primary-hover:    #8A2A20;
  --rca-brand-primary-pressed:  #6B2018;
  --rca-brand-primary-subtle:   #F6E2DF;
  --rca-brand-primary-contrast: #FFFFFF;
  --rca-brand-secondary:        #3E5E78;

  /* ---- Backgrounds ---- */
  --rca-bg-base:     #F1EDE5;
  --rca-bg-surface:  #FAF7F0;
  --rca-bg-subtle:   #E8E2D4;
  --rca-bg-elevated: #FFFFFF;
  --rca-bg-inverse:  #131619;

  /* ---- Tinta ---- */
  --rca-ink-primary:   #15181B;
  --rca-ink-secondary: #3D434A;
  --rca-ink-muted:     #6E7479;
  --rca-ink-disabled:  #A8ABAF;
  --rca-ink-inverse:   #F1EDE5;
  --rca-ink-on-brand:  #FFFFFF;

  /* ---- Bordes ---- */
  --rca-border-subtle:  #DDD7CB;
  --rca-border-default: #C4BEB1;
  --rca-border-strong:  #15181B;
  --rca-border-focus:   #3E5E78;

  /* ---- Estados / acentos ---- */
  --rca-accent-signal:  #A8352A;
  --rca-accent-warning: #B58A3F;
  --rca-accent-success: #4A7C5C;
  --rca-accent-info:    #3E5E78;

  /* ---- Signatures ---- */
  --rca-racing-stripe: #3E5E78;
  --rca-scrim-hero:    rgba(19, 22, 25, 0.55);
  --rca-shadow-subtle:  0 1px 2px rgba(19, 22, 25, 0.08);
  --rca-shadow-default: 0 8px 20px rgba(19, 22, 25, 0.10);
  --rca-shadow-strong:  0 24px 50px rgba(19, 22, 25, 0.14);
  --rca-focus-ring:     0 0 0 3px rgba(62, 94, 120, 0.40);

  /* ---- Links (aceiro overrides) ---- */
  --rca-link-color:       #3E5E78;
  --rca-link-color-hover: #A8352A;

  /* ---- Tipografía (fallbacks de sistema; webfonts se enqueuean en functions.php) ---- */
  --rca-font-display: "Archivo Narrow", "Archivo", ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --rca-font-heading: "Archivo", ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --rca-font-body:    "Geist Sans", "Geist", ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --rca-font-mono:    "Geist Mono", ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;

  /* ---- Escala tipográfica (rem) ---- */
  --rca-fs-display-xl: 5.5rem;
  --rca-fs-display-lg: 4rem;
  --rca-fs-display-md: 3rem;
  --rca-fs-h1:         2.5rem;
  --rca-fs-h2:         2rem;
  --rca-fs-h3:         1.5rem;
  --rca-fs-h4:         1.25rem;
  --rca-fs-body-lg:    1.125rem;
  --rca-fs-body:       1rem;
  --rca-fs-body-sm:    0.875rem;
  --rca-fs-micro:      0.75rem;
  --rca-fs-eyebrow:    0.8125rem;

  --rca-lh-tight:   1.05;
  --rca-lh-snug:    1.2;
  --rca-lh-normal:  1.5;
  --rca-lh-relaxed: 1.65;

  --rca-tracking-display: -0.01em;
  --rca-tracking-body:     0;
  --rca-tracking-eyebrow:  0.12em;
  --rca-tracking-mono:     0.02em;

  /* ---- Spacing (paso = 4px) ---- */
  --rca-space-1:  4px;
  --rca-space-2:  8px;
  --rca-space-3:  12px;
  --rca-space-4:  16px;
  --rca-space-5:  20px;
  --rca-space-6:  24px;
  --rca-space-8:  32px;
  --rca-space-10: 40px;
  --rca-space-14: 56px;
  --rca-space-18: 72px;
  --rca-space-24: 96px;
  --rca-space-32: 128px;
  --rca-space-40: 160px;
  --rca-space-50: 200px;

  /* ---- Radios (contenidos — taller técnico) ---- */
  --rca-radius-none: 0;
  --rca-radius-sm:   2px;
  --rca-radius-md:   4px;
  --rca-radius-lg:   8px;
  --rca-radius-xl:   14px;
  --rca-radius-pill: 999px;

  /* ---- Container ---- */
  --rca-container-max:    1280px;
  --rca-container-gutter: clamp(16px, 4vw, 40px);

  /* ---- Motion ---- */
  --rca-dur-fast:      120ms;
  --rca-dur-default:   220ms;
  --rca-dur-slow:      420ms;
  --rca-dur-narrative: 900ms;
  --rca-ease-default:  cubic-bezier(0.22, 1, 0.36, 1);
  --rca-ease-stand:    cubic-bezier(0.4, 0, 0.2, 1);

  /* ---- Layout ---- */
  --rca-nav-height-desktop: 72px;
  --rca-nav-height-mobile:  56px;
  --rca-z-base:     0;
  --rca-z-nav:      50;
  --rca-z-drawer:   60;
  --rca-z-overlay:  70;
  --rca-z-floating: 80;

  color-scheme: light;
}

/* ==========================================================================
   2. Reset mínimo (no Normalize — propio mobile-first)
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--rca-bg-base);
  color: var(--rca-ink-primary);
  font-family: var(--rca-font-body);
  font-size: var(--rca-fs-body);
  line-height: var(--rca-lh-normal);
  font-weight: 400;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, p, blockquote, dl, dd, figure {
  margin: 0;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
  padding: 0;
  margin: 0;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

button,
input,
optgroup,
select,
textarea {
  font: inherit;
  color: inherit;
  margin: 0;
}

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

a {
  color: var(--rca-link-color);
  text-decoration: underline;
  text-decoration-color: var(--rca-border-default);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color var(--rca-dur-fast) var(--rca-ease-default),
              text-decoration-color var(--rca-dur-fast) var(--rca-ease-default);
}

a:hover {
  color: var(--rca-link-color-hover);
  text-decoration-color: var(--rca-link-color-hover);
}

hr {
  border: 0;
  height: 1px;
  background-color: var(--rca-border-subtle);
  margin: var(--rca-space-8) 0;
}

/* ==========================================================================
   3. Tipografía base
   ========================================================================== */

h1, .rca-h1 {
  font-family: var(--rca-font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw + 1rem, var(--rca-fs-h1));
  line-height: var(--rca-lh-tight);
  letter-spacing: var(--rca-tracking-display);
}

h2, .rca-h2 {
  font-family: var(--rca-font-display);
  font-weight: 700;
  font-size: clamp(1.625rem, 2.5vw + 1rem, var(--rca-fs-h2));
  line-height: var(--rca-lh-snug);
  letter-spacing: var(--rca-tracking-display);
}

h3, .rca-h3 {
  font-family: var(--rca-font-heading);
  font-weight: 700;
  font-size: clamp(1.25rem, 1.5vw + 0.75rem, var(--rca-fs-h3));
  line-height: var(--rca-lh-snug);
}

h4, .rca-h4 {
  font-family: var(--rca-font-heading);
  font-weight: 600;
  font-size: var(--rca-fs-h4);
  line-height: var(--rca-lh-snug);
}

p {
  line-height: var(--rca-lh-relaxed);
  max-width: 68ch;
}

small,
.rca-text-sm {
  font-size: var(--rca-fs-body-sm);
}

.rca-text-micro {
  font-size: var(--rca-fs-micro);
}

.rca-mono {
  font-family: var(--rca-font-mono);
  letter-spacing: var(--rca-tracking-mono);
}

.rca-eyebrow {
  display: inline-block;
  font-family: var(--rca-font-mono);
  font-size: var(--rca-fs-eyebrow);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--rca-tracking-eyebrow);
  color: var(--rca-ink-secondary);
}

.rca-text-muted    { color: var(--rca-ink-muted); }
.rca-text-secondary{ color: var(--rca-ink-secondary); }
.rca-text-brand    { color: var(--rca-brand-primary); }
.rca-text-steel    { color: var(--rca-brand-secondary); }
.rca-text-inverse  { color: var(--rca-ink-inverse); }

/* ==========================================================================
   4. Selección + scrollbar
   ========================================================================== */

::selection {
  background-color: var(--rca-brand-primary);
  color: var(--rca-ink-on-brand);
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--rca-bg-subtle); }
::-webkit-scrollbar-thumb {
  background: var(--rca-border-default);
  border-radius: var(--rca-radius-pill);
}
::-webkit-scrollbar-thumb:hover { background: var(--rca-border-strong); }

/* ==========================================================================
   5. Accesibilidad — skip link, focus visible, reduced motion
   ========================================================================== */

.rca-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: var(--rca-z-overlay);
  padding: var(--rca-space-3) var(--rca-space-4);
  background-color: var(--rca-brand-primary);
  color: var(--rca-ink-on-brand);
  font-family: var(--rca-font-mono);
  font-size: var(--rca-fs-body-sm);
  text-decoration: none;
  border-radius: 0 0 var(--rca-radius-md) 0;
}

.rca-skip-link:focus {
  left: 0;
  outline: none;
}

:focus-visible {
  outline: none;
  box-shadow: var(--rca-focus-ring);
  border-radius: var(--rca-radius-sm);
}

.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  -webkit-clip-path: inset(50%);
          clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal !important;
}

.screen-reader-text:focus {
  background-color: var(--rca-bg-elevated);
  clip: auto !important;
  -webkit-clip-path: none;
          clip-path: none;
  color: var(--rca-ink-primary);
  display: block;
  font-size: var(--rca-fs-body-sm);
  font-weight: 600;
  height: auto;
  left: 5px;
  line-height: normal;
  padding: var(--rca-space-3) var(--rca-space-4);
  text-decoration: none;
  top: 5px;
  width: auto;
  z-index: var(--rca-z-overlay);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   6. Container y layout primitivo
   ========================================================================== */

.rca-container {
  width: 100%;
  max-width: var(--rca-container-max);
  margin-inline: auto;
  padding-inline: var(--rca-container-gutter);
}

.rca-section {
  padding-block: clamp(var(--rca-space-14), 8vw, var(--rca-space-32));
}

.rca-section--tight    { padding-block: clamp(var(--rca-space-10), 5vw, var(--rca-space-18)); }
.rca-section--inverse  { background-color: var(--rca-bg-inverse); color: var(--rca-ink-inverse); }
.rca-section--surface  { background-color: var(--rca-bg-surface); }
.rca-section--subtle   { background-color: var(--rca-bg-subtle); }
.rca-section--elevated { background-color: var(--rca-bg-elevated); }

/* ==========================================================================
   7. Elementos signature del design system (aceiro)
   signal_stripe · tech_chip · blueprint_frame · engineering_numeral · data_annotation · kraft_divider
   ========================================================================== */

/* --- Signal stripe (antes racing_stripe) ---------------------------------- */
.rca-stripe {
  display: inline-block;
  height: 2px;
  width: 56px;
  background-color: var(--rca-racing-stripe);
  vertical-align: middle;
}

.rca-stripe--thick  { height: 3px; }
.rca-stripe--full   { width: 100%; }
.rca-stripe--signal { background-color: var(--rca-brand-primary); }

.rca-stripe-grow {
  position: relative;
  overflow: hidden;
}

.rca-stripe-grow::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background-color: var(--rca-racing-stripe);
  transition: width var(--rca-dur-default) var(--rca-ease-default);
}

.rca-stripe-grow:hover::after,
.rca-stripe-grow:focus-visible::after {
  width: 100%;
}

/* --- Tech chip (mono + punto steel-blue pulsante) ------------------------ */
.rca-tech-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--rca-space-2);
  padding: var(--rca-space-2) var(--rca-space-3);
  background-color: var(--rca-bg-surface);
  border: 1px solid var(--rca-border-subtle);
  border-radius: var(--rca-radius-pill);
  font-family: var(--rca-font-mono);
  font-size: var(--rca-fs-micro);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--rca-tracking-eyebrow);
  color: var(--rca-ink-secondary);
}

.rca-tech-badge::before,
.rca-tech-badge__dot {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: var(--rca-radius-pill);
  background-color: var(--rca-brand-secondary);
  box-shadow: 0 0 0 3px rgba(62, 94, 120, 0.20);
  animation: rca-pulse 2.2s var(--rca-ease-default) infinite;
}

.rca-tech-badge .rca-tech-badge__dot { animation-name: rca-pulse; }
.rca-tech-badge:has(.rca-tech-badge__dot)::before { content: none; }

@keyframes rca-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(62, 94, 120, 0.20); }
  50%      { box-shadow: 0 0 0 6px rgba(62, 94, 120, 0.04); }
}

/* --- Engineering numeral (01/02/03 outline steel-blue) -------------------- */
.rca-numeral {
  font-family: var(--rca-font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 4vw + 1rem, var(--rca-fs-display-md));
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--rca-brand-secondary);
  display: inline-block;
}

.rca-numeral--outline {
  color: transparent;
  -webkit-text-stroke: 1px var(--rca-brand-secondary);
}

/* --- Blueprint frame (4 corner marks steel-blue) -------------------------- */
.rca-corner-frame {
  position: relative;
  padding: var(--rca-space-3);
}

.rca-corner-frame::before,
.rca-corner-frame::after,
.rca-corner-frame > .rca-corner-frame__inner::before,
.rca-corner-frame > .rca-corner-frame__inner::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--rca-brand-secondary);
  pointer-events: none;
}

.rca-corner-frame::before        { top: 0; left: 0;    border-right: 0;  border-bottom: 0; }
.rca-corner-frame::after         { top: 0; right: 0;   border-left: 0;   border-bottom: 0; }
.rca-corner-frame__inner::before { bottom: 0; left: 0; border-right: 0;  border-top: 0; }
.rca-corner-frame__inner::after  { bottom: 0; right: 0; border-left: 0;  border-top: 0; }

/* --- Kraft divider (manual de servicio feel) ------------------------------ */
.rca-divider {
  display: flex;
  align-items: center;
  gap: var(--rca-space-4);
  margin: var(--rca-space-10) 0;
}

.rca-divider::before,
.rca-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--rca-border-default);
}

.rca-divider__label {
  font-family: var(--rca-font-mono);
  font-size: var(--rca-fs-micro);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--rca-tracking-eyebrow);
  color: var(--rca-ink-muted);
  white-space: nowrap;
}

/* ==========================================================================
   8. Placeholders direccionales para image_slot
   (mientras no haya fotos reales — RESTRICCIÓN: NUNCA stock)
   ========================================================================== */

[data-image-slot] {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--rca-bg-surface);
  background-image:
    linear-gradient(to right, var(--rca-border-subtle) 1px, transparent 1px),
    linear-gradient(to bottom, var(--rca-border-subtle) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: -1px -1px;
  border: 1px solid var(--rca-border-default);
  border-radius: var(--rca-radius-md);
  overflow: hidden;
  color: var(--rca-ink-secondary);
}

[data-image-slot]::before {
  content: "FOTO PENDIENTE · " attr(data-image-slot);
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--rca-space-3) var(--rca-space-4);
  font-family: var(--rca-font-mono);
  font-size: var(--rca-fs-micro);
  letter-spacing: var(--rca-tracking-eyebrow);
  text-transform: uppercase;
  background: linear-gradient(to top, rgba(19, 22, 25, 0.92), rgba(19, 22, 25, 0));
  color: var(--rca-bg-base);
}

[data-image-slot][data-slot-direction]::after {
  content: attr(data-slot-direction);
  position: absolute;
  top: var(--rca-space-3);
  left: var(--rca-space-3);
  right: var(--rca-space-3);
  padding: var(--rca-space-2) var(--rca-space-3);
  background-color: rgba(19, 22, 25, 0.82);
  border-left: 2px solid var(--rca-brand-primary);
  font-family: var(--rca-font-body);
  font-size: var(--rca-fs-body-sm);
  line-height: var(--rca-lh-snug);
  color: var(--rca-ink-inverse);
  max-width: 56ch;
}

[data-image-slot][data-ratio="21/9"]  { aspect-ratio: 21 / 9; }
[data-image-slot][data-ratio="4/3"]   { aspect-ratio: 4 / 3; }
[data-image-slot][data-ratio="1/1"]   { aspect-ratio: 1 / 1; }
[data-image-slot][data-ratio="3/4"]   { aspect-ratio: 3 / 4; }
[data-image-slot][data-ratio="mosaic"]{ aspect-ratio: 3 / 2; }

/* ==========================================================================
   9. Buttons primitive (foundational — variants refinables luego)
   ========================================================================== */

.rca-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--rca-space-2);
  padding: var(--rca-space-3) var(--rca-space-5);
  min-height: 44px;
  font-family: var(--rca-font-mono);
  font-size: var(--rca-fs-body-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--rca-tracking-eyebrow);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--rca-radius-md);
  cursor: pointer;
  transition: background-color var(--rca-dur-fast) var(--rca-ease-default),
              border-color    var(--rca-dur-fast) var(--rca-ease-default),
              color           var(--rca-dur-fast) var(--rca-ease-default),
              transform       var(--rca-dur-fast) var(--rca-ease-default);
  will-change: transform;
}

.rca-btn:hover    { transform: translateY(-1px); }
.rca-btn:active   { transform: translateY(0); }

.rca-btn--primary {
  background-color: var(--rca-brand-primary);
  color: var(--rca-ink-on-brand);
  border-color: var(--rca-brand-primary);
}
.rca-btn--primary:hover {
  background-color: var(--rca-brand-primary-hover);
  border-color: var(--rca-brand-primary-hover);
  color: var(--rca-ink-on-brand);
  text-decoration: none;
}
.rca-btn--primary:active {
  background-color: var(--rca-brand-primary-pressed);
  border-color: var(--rca-brand-primary-pressed);
}

.rca-btn--ghost {
  background-color: transparent;
  color: var(--rca-ink-primary);
  border-color: var(--rca-border-strong);
}
.rca-btn--ghost:hover {
  background-color: var(--rca-ink-primary);
  color: var(--rca-bg-base);
  text-decoration: none;
}

.rca-btn--steel {
  background-color: var(--rca-brand-secondary);
  color: var(--rca-ink-on-brand);
  border-color: var(--rca-brand-secondary);
}
.rca-btn--steel:hover {
  background-color: #335068;
  border-color: #335068;
  color: var(--rca-ink-on-brand);
  text-decoration: none;
}

/* ==========================================================================
   10. Utilities mínimas
   ========================================================================== */

.rca-hidden  { display: none !important; }

.rca-flex        { display: flex; }
.rca-grid        { display: grid; }
.rca-inline-flex { display: inline-flex; }

.rca-items-center    { align-items: center; }
.rca-items-start     { align-items: flex-start; }
.rca-justify-between { justify-content: space-between; }
.rca-justify-center  { justify-content: center; }
.rca-flex-wrap       { flex-wrap: wrap; }
.rca-flex-col        { flex-direction: column; }

.rca-gap-2 { gap: var(--rca-space-2); }
.rca-gap-3 { gap: var(--rca-space-3); }
.rca-gap-4 { gap: var(--rca-space-4); }
.rca-gap-6 { gap: var(--rca-space-6); }
.rca-gap-8 { gap: var(--rca-space-8); }

.rca-mt-4 { margin-top: var(--rca-space-4); }
.rca-mt-6 { margin-top: var(--rca-space-6); }
.rca-mt-8 { margin-top: var(--rca-space-8); }
.rca-mb-4 { margin-bottom: var(--rca-space-4); }
.rca-mb-6 { margin-bottom: var(--rca-space-6); }
.rca-mb-8 { margin-bottom: var(--rca-space-8); }

/* ==========================================================================
   11. Breakpoints — referencia (mobile-first; resto vive en partials)
       sm 480 · md 768 · lg 1024 · xl 1280 · 2xl 1536
   ========================================================================== */

@media (min-width: 768px) {
  :root {
    --rca-fs-h1: 3rem;
    --rca-fs-h2: 2.25rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --rca-fs-h1: 3.5rem;
  }
}