/* ============================================
   MINK'A - Base Styles
   Variables, Fonts, Reset, Typography, Utilities
   ============================================ */

/* === Custom Properties / Design Tokens ===
   Sistema "Trueque Editorial": papel crema, tinta verde,
   serif editorial (Fraunces) y acentos ámbar/terracota,
   heredado de la landing (landing.css) y calmado para uso en app. */
:root {
  /* Ink & Paper (base del sistema) */
  --color-ink: #17301f;
  --color-ink-2: #41564a;
  --color-ink-deep: #112416;
  --color-paper: #faf5ea;
  --color-paper-2: #f2ead8;
  --color-card: #fffdf6;

  /* Primary Colors */
  --color-primary: #1e8449; /* verde tinta AA: ≥4.5:1 sobre claro */
  --color-primary-dark: #166638;
  --color-primary-darker: #0f4d29;
  --color-primary-ink: #1e8449;
  --color-primary-pop: #2ecc71; /* verde vivo: solo acentos, no texto */
  --color-primary-light: rgba(30, 132, 73, 0.12);

  /* Secondary Colors */
  --color-secondary: var(--color-ink-2);
  --color-secondary-dark: var(--color-ink-deep);

  /* Accent & Status */
  --color-accent: #f2b705;
  --color-terra: #d95d39;
  --color-success: #1e8449;
  --color-error: #c0392b;
  --color-warning: #b98a04; /* ámbar legible sobre claro */
  --color-info: #2874a6;

  /* Neutrals (escala cálida entintada) */
  --color-white: var(--color-card); /* superficie de tarjetas */
  --color-gray-50: #f2edde;
  --color-gray-100: #e0d9c6;
  --color-gray-200: #cfc7b2;
  --color-gray-300: #98a093;
  --color-gray-400: #7d8a80;
  --color-gray-500: #6d7c71;
  --color-gray-600: #4c5f53; /* ≥4.5:1 sobre claro */
  --color-gray-700: #3e5044;
  --color-gray-800: #22392b;
  --color-gray-900: var(--color-ink);

  /* Surfaces & Text */
  --color-bg: var(--color-paper);
  --color-surface: var(--color-card);
  --color-surface-alt: var(--color-paper-2);
  --color-text: var(--color-ink);
  --color-text-secondary: var(--color-ink-2);
  --color-border: var(--color-gray-100);

  /* Soft status tints */
  --color-mint: #ddf0e2;
  --color-primary-soft: var(--color-mint);
  --color-info-soft: #ddebf5;
  --color-warning-soft: #fcefc7;
  --color-terra-soft: #fbe0d4;

  /* Font Families */
  --font-primary: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-secondary: "Nunito", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Fraunces", Georgia, serif;
  --font-accent: "Pacifico", cursive;

  /* Spacing Scale */
  --space-4: 4px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
  --space-48: 48px;
  --space-56: 56px;
  --space-64: 64px;

  /* Shadows (tinta suave; las duras offset son el sello editorial) */
  --shadow-sm: 0 2px 4px rgba(23, 48, 31, 0.08);
  --shadow-md: 0 4px 8px rgba(23, 48, 31, 0.1);
  --shadow-lg: 0 8px 16px rgba(23, 48, 31, 0.12);
  --shadow-xl: 0 12px 24px rgba(23, 48, 31, 0.14);
  --shadow-soft: 0 2px 8px rgba(23, 48, 31, 0.06);
  --shadow-lift: 0 5px 15px rgba(23, 48, 31, 0.12);
  --shadow-hard-sm: 3px 3px 0 var(--color-ink);
  --shadow-hard-md: 5px 5px 0 var(--color-ink);
  --shadow-hard-lg: 8px 8px 0 var(--color-ink);
  --border-ink: 2px solid var(--color-ink);

  /* Z-index layers */
  --z-overlay: 900;
  --z-modal: 1000;
  --z-toast: 1100;

  /* Border Radius (generosos, orgánicos) */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --radius-full: 9999px;

  /* -------------------------------------------------------
     DEPRECATED — usar --color-* (aliases legacy, no añadir usos nuevos)
     ------------------------------------------------------- */
  --primary-color: var(--color-primary);
  --primary-dark: var(--color-primary-dark);
  --primary-light: var(--color-primary-light);
  --secondary-color: var(--color-secondary);
  --bg-color: var(--color-bg);
  --border-color: var(--color-border);
  --text-primary: var(--color-text);
  --text-secondary: var(--color-text-secondary);
  --text-color: var(--color-gray-900);
  --warning-color: var(--color-warning);
}

/* === Font Faces === */
@font-face {
  font-family: "Inter";
  src:
    local("Inter"),
    url("../../fonts/Inter/Inter-Variable.woff2") format("woff2"),
    url("../../fonts/Inter/Inter-VariableFont_opsz,wght.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src:
    local("Inter Italic"),
    local("Inter-Italic"),
    url("../../fonts/Inter/Inter-Italic-Variable.woff2") format("woff2"),
    url("../../fonts/Inter/Inter-Italic-VariableFont_opsz,wght.ttf")
      format("truetype");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Nunito";
  src:
    local("Nunito"),
    url("../../fonts/Nunito/Nunito-Variable.woff2") format("woff2"),
    url("../../fonts/Nunito/Nunito-VariableFont_wght.ttf") format("truetype");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Nunito";
  src:
    local("Nunito Italic"),
    local("Nunito-Italic"),
    url("../../fonts/Nunito/Nunito-Italic-Variable.woff2") format("woff2"),
    url("../../fonts/Nunito/Nunito-Italic-VariableFont_wght.ttf")
      format("truetype");
  font-weight: 200 900;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Fraunces";
  src: url("../../fonts/Fraunces/Fraunces-Variable.ttf") format("truetype");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Fraunces";
  src: url("../../fonts/Fraunces/Fraunces-Italic-Variable.ttf")
    format("truetype");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "Pacifico";
  src:
    local("Pacifico"),
    url("../../fonts/Pacifico/Pacifico-Regular.woff2") format("woff2"),
    url("../../fonts/Pacifico/Pacifico-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* === Reset === */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
}

/* === Links === */
a {
  color: var(--color-ink);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover,
a:focus-visible {
  color: var(--color-primary);
}

/* === Focus Styles === */
:focus-visible {
  outline: 3px solid rgba(30, 132, 73, 0.45);
  outline-offset: 2px;
}

/* === Typography === */
h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 640;
  line-height: 1.15;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

h1 {
  font-size: 3rem;
  font-weight: 680;
  margin-bottom: var(--space-24);
}

h2 {
  font-size: 2.25rem;
  margin-bottom: var(--space-16);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--space-12);
}

p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-16);
}

label {
  font-weight: 600;
  color: var(--color-ink);
  display: inline-block;
  margin-bottom: var(--space-8);
}

/* === Skip link === */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-16);
  background: var(--color-primary-darker);
  color: var(--color-white);
  padding: var(--space-8) var(--space-16);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  z-index: 1200;
  font-weight: 700;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 0;
  color: #ffffff;
}

/* === Reduced motion === */
@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;
  }
}

/* === Utility Classes === */
.is-hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* === Scrollbar editorial (global, hereda en scrolls internos) === */
/* Solo Firefox: en Chromium scrollbar-color anularía las reglas
   ::-webkit-scrollbar de abajo, que dan el estilo completo. */
@supports not selector(::-webkit-scrollbar) {
  :root {
    scrollbar-color: var(--color-primary) var(--color-paper-2);
  }
}

::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: var(--color-paper-2);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: var(--radius-full);
  /* borde del color del track: efecto "pill" flotante */
  border: 3px solid var(--color-paper-2);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

::-webkit-scrollbar-corner {
  background: var(--color-paper-2);
}