/* ==========================================================
   Titan 4 Elementos — Design tokens
   Dirección: Carta Topográfica (.impeccable/surfaces/home.md)
   ========================================================== */

/* ── Tipografías autoalojadas ─────────────────────────────── */
/* Servidas desde assets/fonts/, no desde Google Fonts. Solo el
   subset latin: el sitio es en castellano. */

@font-face {
  font-family: "Montserrat";
  font-style: normal;
  /* Un solo archivo cubre 600 a 900: es un corte variable. */
  font-weight: 600 900;
  font-display: swap;
  src: url("../fonts/montserrat.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("../fonts/inter.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/ibm-plex-mono-400.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* 600 lo usa .btn-primary, que es mono: sin este archivo el
   navegador falsifica la negrita. */
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/ibm-plex-mono-600.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  /* Paleta — fondo claro neutro frío */
  --color-paper: #f2f4f5;
  --color-paper-dim: #e6e9eb;
  --color-ink-950: #12161c;
  --color-ink-900: #1b2028;
  --color-ink-800: #262d38;
  --color-slate-700: #3d4753;
  --color-slate-500: #6b6f76;
  --color-fog-300: #8b8d8f;
  --color-fog-100: #d4d8da;
  --color-line: #dcdfe1;
  --color-white: #f6f7f6;

  /* Acentos — naranja amarillento vívido; superficie (botones/CTA) vs. texto (contraste AA) */
  --color-accent-amber: #e2900a;
  --color-accent-amber-hover: #c97e08;
  --color-accent-amber-text: #a85800;
  --color-accent-amber-text-hover: #874600;
  --color-whatsapp: #25d366;
  --color-whatsapp-hover: #1ebe5a;

  /* Tipografía */
  /* Montserrat es el suplente de Gotham Black, la tipografía de
     marca, hasta que lleguen los archivos con licencia web. */
  --font-display: "Montserrat", "Gotham", "Helvetica Neue", Arial, sans-serif;
  --weight-display: 900;
  --font-body: "Inter", -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  /* Escala tipográfica */
  --text-xs: 0.72rem;
  --text-sm: 0.85rem;
  --text-base: 1rem;
  --text-lg: 1.15rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.75rem;
  --text-4xl: 3.75rem;
  --text-5xl: 5rem;

  /* Tracking */
  --tracking-kicker: 0.14em;
  --tracking-wide: 0.06em;

  /* Espaciado */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --content-max: 1440px;
  --content-pad: clamp(1.25rem, 4vw, 4rem);
  --radius-pill: 999px;
  --radius-sm: 2px;

  /* Curvas de nivel — grosor de línea */
  --contour-stroke: 1px;
}

/* ── Reset mínimo ─────────────────────────────────────────── */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--color-paper);
  background-image: url("../img/contours-tile.jpg");
  background-repeat: repeat-y;
  background-size: max(2000px, 100%) auto;
  background-position: left top;
  color: var(--color-ink-900);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

h1,
h2,
h3,
h4,
p,
ul,
ol {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--color-accent-amber);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 200;
  background: var(--color-accent-amber);
  color: var(--color-ink-950);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus {
  top: var(--space-4);
}

/* ── Utilidades tipográficas del mundo "carta topográfica" ── */

.kicker {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-kicker);
  text-transform: uppercase;
  color: var(--color-slate-500);
}

.map-legend {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--color-slate-500);
  text-transform: uppercase;
}

.coord {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--color-slate-500);
}

/* ── Botones ──────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.85em 1.75em;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  background: var(--color-accent-amber);
  color: var(--color-ink-950);
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--color-accent-amber-hover);
}

.btn-ghost {
  background: transparent;
  border-color: var(--color-slate-500);
  color: var(--color-ink-900);
}

.btn-ghost:hover {
  border-color: var(--color-ink-900);
}

/* ── Curvas de nivel (carta topográfica de referencia, provista por el comitente) ── */


/* ── Ruta punteada (conector de mapa) ─────────────────────── */

.route-line {
  border-top: 2px dotted var(--color-fog-300);
}

.route-point {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  border: 1.5px solid var(--color-accent-amber);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-amber-text);
  background: var(--color-paper);
  flex: none;
}