/* PadelMagic - tokens y primitivas
   Se incluye tal cual. No se reescriben valores: si algo no encaja,
   es el bloque el que hay que recomponer, no el token.
   Uso de tokens: references/tokens.md
   Tecnicas obligatorias: references/css-moderno.md
*/

@layer tokens, base, bloques, utilidades;

/* ============================================================
   TOKENS
   ============================================================ */

@layer tokens {
  :root {
    /* Marca */
    --pm-navy:        #1E3A6B;
    --pm-navy-dark:   #14264A;
    --pm-navy-light:  #2E5290;
    --pm-lima:        #b2dd1d;
    --pm-lima-dark:   #5F760D;

    /* Neutros */
    --pm-ink:         #0E1621;
    --pm-gray-700:    #3F4A5A;
    --pm-gray-500:    #6B7688;
    --pm-gray-300:    #C9D0DA;
    --pm-gray-100:    #EDF0F4;
    --pm-surface:     #F6F8FA;
    --pm-white:       #FFFFFF;
    --pm-error:       #A32020;

    /* Derivados. Nunca se escribe un hex de estado a mano. */
    --pm-lima-hover:    color-mix(in oklch, var(--pm-lima) 88%, white);
    --pm-navy-hover:    color-mix(in oklch, var(--pm-navy) 85%, black);
    --pm-on-navy:       color-mix(in oklch, var(--pm-white) 82%, transparent);
    --pm-on-navy-quiet: color-mix(in oklch, var(--pm-white) 65%, transparent);
    --pm-border-hover:  color-mix(in oklch, var(--pm-navy) 30%, var(--pm-gray-300));

    /* Tipografia */
    --pm-font-display: "Archivo", system-ui, sans-serif;
    --pm-font-body:    "Inter", system-ui, sans-serif;
    --pm-font-mono:    "IBM Plex Mono", ui-monospace, monospace;

    --pm-fs-eyebrow: 0.75rem;
    --pm-fs-h1:      clamp(2.25rem, 4.5vw, 3.5rem);
    --pm-fs-h2:      clamp(1.75rem, 2.8vw, 2.5rem);
    --pm-fs-h3:      1.25rem;
    --pm-fs-lead:    1.1875rem;
    --pm-fs-body:    1.0625rem;
    --pm-fs-small:   0.875rem;
    --pm-fs-data:    clamp(2rem, 3.5vw, 3rem);

    /* Espaciado, escala de 4. No existen valores intermedios. */
    --pm-space-1: 4px;
    --pm-space-2: 8px;
    --pm-space-3: 12px;
    --pm-space-4: 16px;
    --pm-space-5: 24px;
    --pm-space-6: 32px;
    --pm-space-7: 48px;
    --pm-space-8: 64px;
    --pm-space-9: 96px;
    --pm-space-10: 128px;
    --pm-space-section: clamp(64px, 8vw, 128px);

    /* Layout */
    --pm-container:        1200px;
    --pm-container-narrow: 760px;
    --pm-gutter:           24px;
    --pm-measure:          68ch;

    /* Filetes y radios */
    --pm-radius-sm: 4px;
    --pm-radius-md: 8px;
    --pm-radius-lg: 16px;
    --pm-border:         1px solid var(--pm-gray-300);
    --pm-border-on-navy: 1px solid var(--pm-navy-light);

    /* Sombra: solo elementos flotantes reales */
    --pm-shadow-overlay: 0 12px 32px rgb(14 22 33 / 0.16);

    /* Apilado: tres valores, no se inventan mas */
    --pm-z-header:  100;
    --pm-z-overlay: 500;
    --pm-z-toast:   900;

    --pm-transition: 150ms ease-out;
  }

  /* Unica media query de token: el gutter es decision de pagina, no de componente */
  @media (width <= 640px) {
    :root { --pm-gutter: 16px; }
  }
}

/* ============================================================
   BASE
   ============================================================ */

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

  html { -webkit-text-size-adjust: 100%; }

  body {
    margin: 0;
    font-family: var(--pm-font-body);
    font-size: var(--pm-fs-body);
    line-height: 1.65;
    color: var(--pm-ink);
    background: var(--pm-white);
    text-wrap: pretty;
    hyphens: auto;
    -webkit-font-smoothing: antialiased;
  }

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

  /* Anclas por debajo de cabecera fija, sin calculos en JS */
  :target { scroll-margin-block-start: var(--pm-space-8); }

  :where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
    outline: 2px solid var(--pm-lima-dark);
    outline-offset: 2px;
  }

  @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;
    }
  }
}

/* ============================================================
   BLOQUES
   ============================================================ */

@layer bloques {

  /* --- Contenedor y secciones --- */

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

  .pm-container--narrow { max-inline-size: var(--pm-container-narrow); }

  .pm-section {
    padding-block: var(--pm-space-section);
    background: var(--pm-white);
    color: var(--pm-ink);
  }

  .pm-section--surface { background: var(--pm-surface); }

  .pm-section--navy,
  .pm-section--navy-dark { color: var(--pm-white); }
  .pm-section--navy      { background: var(--pm-navy); }
  .pm-section--navy-dark { background: var(--pm-navy-dark); }

  .pm-section--tight { padding-block: var(--pm-space-7); }

  /* Fondos iguales consecutivos: un solo espacio entre ellos, resuelto con :has() */
  .pm-section--surface:has(+ .pm-section--surface),
  .pm-section--navy:has(+ .pm-section--navy) { padding-block-end: 0; }

  /* Secciones por debajo del primer pantallazo */
  .pm-section--deferred {
    content-visibility: auto;
    contain-intrinsic-size: auto 600px;
  }

  /* --- Tipografia --- */

  .pm-eyebrow {
    margin-block: 0 var(--pm-space-3);
    font-size: var(--pm-fs-eyebrow);
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--pm-gray-500);
  }
  :is(.pm-section--navy, .pm-section--navy-dark, .pm-hero) .pm-eyebrow { color: var(--pm-lima); }

  .pm-h1, .pm-h2, .pm-h3 {
    font-family: var(--pm-font-display);
    margin: 0;
    text-wrap: balance;
  }

  .pm-h1 { font-size: var(--pm-fs-h1); font-weight: 700; line-height: 1.05; letter-spacing: -0.02em; }
  .pm-h2 { font-size: var(--pm-fs-h2); font-weight: 700; line-height: 1.15; letter-spacing: -0.015em; }
  .pm-h3 { font-size: var(--pm-fs-h3); font-weight: 600; line-height: 1.3; }

  .pm-lead {
    margin-block: var(--pm-space-4) 0;
    font-size: var(--pm-fs-lead);
    line-height: 1.55;
    max-inline-size: var(--pm-measure);
    color: var(--pm-gray-700);
  }
  :is(.pm-section--navy, .pm-section--navy-dark, .pm-hero) .pm-lead { color: var(--pm-on-navy); }

  .pm-section p:not(.pm-lead, .pm-eyebrow) { max-inline-size: var(--pm-measure); }

  .pm-small { font-size: var(--pm-fs-small); color: var(--pm-gray-500); }

  .pm-num, .pm-data__value, .pm-specs dd, .pm-table td.pm-num {
    font-family: var(--pm-font-mono);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
  }

  .pm-block-head { margin-block-end: var(--pm-space-7); }
  /* Sin entradilla el titular necesita menos aire debajo */
  .pm-block-head:not(:has(.pm-lead)) { margin-block-end: var(--pm-space-6); }

  /* --- Enlaces y botones --- */

  .pm-link {
    color: var(--pm-lima-dark);
    font-weight: 500;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: color var(--pm-transition);
  }
  .pm-link:hover { color: var(--pm-navy); }
  :is(.pm-section--navy, .pm-section--navy-dark, .pm-hero) .pm-link { color: var(--pm-lima); }

  .pm-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pm-space-3);
    margin-block-start: var(--pm-space-7);
  }

  .pm-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--pm-space-2);
    padding: var(--pm-space-3) var(--pm-space-5);
    font-family: var(--pm-font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.2;
    border: 1px solid transparent;
    border-radius: var(--pm-radius-sm);
    text-decoration: none;
    cursor: pointer;
    transition: background var(--pm-transition), color var(--pm-transition), border-color var(--pm-transition);
  }

  .pm-btn--lima { background: var(--pm-lima); color: var(--pm-navy-dark); }
  .pm-btn--lima:hover { background: var(--pm-lima-hover); }

  .pm-btn--navy { background: var(--pm-navy); color: var(--pm-white); }
  .pm-btn--navy:hover { background: var(--pm-navy-hover); }

  .pm-btn--ghost { background: transparent; color: currentColor; border-color: currentColor; }
  .pm-btn--ghost:hover { background: color-mix(in oklch, currentColor 12%, transparent); }

  /* --- Rejillas --- */

  .pm-grid {
    display: grid;
    gap: var(--pm-space-6);
    container-type: inline-size;
  }
  /* Filas compartidas para que subgrid alinee las tarjetas entre si */
  .pm-grid--3, .pm-grid--2 { grid-template-rows: auto auto 1fr auto; }
  .pm-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .pm-grid--2 { grid-template-columns: repeat(2, 1fr); }

  @container (width < 60rem) {
    .pm-grid--3 { grid-template-columns: repeat(2, 1fr); }
  }
  @container (width < 34rem) {
    .pm-grid--3, .pm-grid--2 { grid-template-columns: 1fr; }
  }

  /* --- Hero --- */

  .pm-hero {
    padding-block: var(--pm-space-section);
    background: var(--pm-navy);
    color: var(--pm-white);
  }

  .pm-hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--pm-space-8);
    align-items: center;
    container-type: inline-size;
  }
  @container (width < 56rem) {
    .pm-hero__grid { grid-template-columns: 1fr; gap: var(--pm-space-7); }
  }

  .pm-hero__media { margin: 0; }
  .pm-hero__media img { border-radius: var(--pm-radius-lg); aspect-ratio: 4 / 3; object-fit: cover; }

  @media (prefers-reduced-motion: no-preference) {
    .pm-hero__media {
      animation: pm-rise linear both;
      animation-timeline: view();
      animation-range: entry 0% cover 25%;
    }
  }
  @keyframes pm-rise {
    from { opacity: 0; translate: 0 16px; }
    to   { opacity: 1; translate: 0 0; }
  }

  /* --- Banda de datos --- */

  .pm-data-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--pm-space-6);
  }
  .pm-data { border-inline-start: var(--pm-border-on-navy); padding-inline-start: var(--pm-space-4); }
  .pm-data__value { margin: 0; font-size: var(--pm-fs-data); line-height: 1.1; }
  .pm-data__label {
    margin-block: var(--pm-space-2) 0;
    font-size: var(--pm-fs-small);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--pm-on-navy-quiet);
  }
  .pm-data--accent .pm-data__value { color: var(--pm-lima); }

  /* --- Tarjetas --- */

  .pm-card {
    display: grid;
    grid-row: span 4;
    grid-template-rows: subgrid;
    gap: var(--pm-space-3);
    padding: var(--pm-space-5);
    background: var(--pm-white);
    border: var(--pm-border);
    border-radius: var(--pm-radius-md);
    transition: border-color var(--pm-transition);
  }
  .pm-card:hover { border-color: var(--pm-border-hover); }
  .pm-card > * { margin: 0; }
  .pm-card p { color: var(--pm-gray-700); }

  .pm-icon { display: inline-block; inline-size: 24px; block-size: 24px; color: var(--pm-gray-700); }

  .pm-list { margin-block: var(--pm-space-4) 0; padding-inline-start: var(--pm-space-5); }
  .pm-list li + li { margin-block-start: var(--pm-space-2); }

  /* --- Split --- */

  .pm-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--pm-space-8);
    align-items: center;
    container-type: inline-size;
  }
  .pm-split--media-left .pm-split__media { order: -1; }
  .pm-split__media { margin: 0; }
  .pm-split__media img { border-radius: var(--pm-radius-md); aspect-ratio: 4 / 3; object-fit: cover; }
  @container (width < 56rem) {
    .pm-split { grid-template-columns: 1fr; gap: var(--pm-space-6); }
    .pm-split--media-left .pm-split__media { order: 0; }
  }

  /* --- Tabla de especificaciones --- */

  .pm-table-wrap { overflow-x: auto; border: var(--pm-border); border-radius: var(--pm-radius-md); }
  .pm-table { inline-size: 100%; border-collapse: collapse; font-size: var(--pm-fs-small); }
  .pm-table :is(th, td) {
    padding: var(--pm-space-3) var(--pm-space-4);
    text-align: start;
    border-block-end: var(--pm-border);
  }
  .pm-table thead th {
    background: var(--pm-gray-100);
    font-family: var(--pm-font-display);
    font-weight: 600;
    white-space: nowrap;
  }
  .pm-table tbody tr:last-child :is(th, td) { border-block-end: 0; }

  /* --- Producto --- */

  .pm-product {
    display: grid;
    grid-row: span 4;
    grid-template-rows: subgrid;
    border: var(--pm-border);
    border-radius: var(--pm-radius-md);
    overflow: hidden;
    background: var(--pm-white);
  }
  .pm-product__media { margin: 0; aspect-ratio: 4 / 3; }
  .pm-product__media img { inline-size: 100%; block-size: 100%; object-fit: cover; }
  .pm-product__body { padding: var(--pm-space-5); display: grid; gap: var(--pm-space-3); align-content: start; }
  .pm-specs { margin: 0; display: grid; gap: var(--pm-space-2); }
  .pm-specs > div {
    display: flex;
    justify-content: space-between;
    gap: var(--pm-space-3);
    border-block-end: var(--pm-border);
    padding-block-end: var(--pm-space-2);
  }
  .pm-specs dt { margin: 0; color: var(--pm-gray-500); font-size: var(--pm-fs-small); }
  .pm-specs dd { margin: 0; font-size: var(--pm-fs-small); }

  /* --- Banda de cierre --- */

  .pm-cta-band {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--pm-space-6);
  }
  .pm-cta-band .pm-actions { margin-block-start: 0; }

  /* --- FAQ, nativo --- */

  .pm-faq { max-inline-size: var(--pm-container-narrow); margin-inline: auto; }
  .pm-faq details { border-block-end: var(--pm-border); padding-block: var(--pm-space-4); }
  .pm-faq summary {
    font-family: var(--pm-font-display);
    font-weight: 600;
    cursor: pointer;
    list-style: none;
  }
  .pm-faq summary::-webkit-details-marker { display: none; }
  .pm-faq p { margin-block: var(--pm-space-3) 0; color: var(--pm-gray-700); }

  /* --- Formulario --- */

  .pm-field { display: grid; gap: var(--pm-space-2); }
  .pm-label { font-size: var(--pm-fs-small); font-weight: 500; color: var(--pm-gray-700); }
  .pm-input, .pm-textarea, .pm-select {
    font: inherit;
    padding: var(--pm-space-3);
    border: var(--pm-border);
    border-radius: var(--pm-radius-sm);
    background: var(--pm-white);
  }
  .pm-textarea { field-sizing: content; min-block-size: 6lh; }
  /* :user-invalid y no :invalid: no se marca en rojo lo que aun no se ha tocado */
  .pm-field:has(:user-invalid) .pm-label { color: var(--pm-error); }
  .pm-field:has(:user-invalid) :is(.pm-input, .pm-textarea) { border-color: var(--pm-error); }
  .pm-error { font-size: var(--pm-fs-small); color: var(--pm-error); }

  /* --- Overlays nativos --- */

  dialog.pm-dialog {
    border: 0;
    border-radius: var(--pm-radius-lg);
    padding: var(--pm-space-6);
    max-inline-size: min(560px, calc(100vw - 2 * var(--pm-gutter)));
    box-shadow: var(--pm-shadow-overlay);
  }
  dialog.pm-dialog::backdrop { background: rgb(14 22 33 / 0.45); }

  [popover].pm-popover {
    border: var(--pm-border);
    border-radius: var(--pm-radius-md);
    padding: var(--pm-space-4);
    box-shadow: var(--pm-shadow-overlay);
  }
}

/* ============================================================
   UTILIDADES
   Ganan siempre por capa, nunca por !important
   ============================================================ */

@layer utilidades {
  .pm-visually-hidden {
    position: absolute;
    inline-size: 1px; block-size: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip-path: inset(50%);
    white-space: nowrap;
  }
  .pm-no-margin { margin: 0; }
  .pm-full-measure { max-inline-size: none; }
  .pm-center { text-align: center; margin-inline: auto; }
}