/* ============================================================
   INNTEA SAS — Brand Tokens
   Sistema de identidad visual. Importar en todas las hojas.
   ============================================================ */

:root {
  /* --- Color: Marca primaria --- */
  --inntea-indigo: #1A1442;        /* Indigo profundo — fondo principal */
  --inntea-indigo-deep: #0E0B26;   /* Indigo oscuro — texto sobre claro */
  --inntea-indigo-soft: #2A2360;   /* Indigo medio — hover/acentos */

  --inntea-orange: #F39A00;        /* Naranja signature — CTA y acentos, solo sobre fondo indigo */
  --inntea-orange-bright: #FFB12E; /* Naranja claro — hover */
  --inntea-orange-deep: #C97A00;   /* Naranja profundo — pressed, uso decorativo (no texto sobre claro) */
  --inntea-orange-a11y: #8A5700;   /* Naranja accesible — texto/enlaces sobre fondo blanco o crema (≥4.5:1) */

  /* --- Color: Neutros --- */
  --inntea-cream: #FFF6E8;         /* Crema — fondos cálidos */
  --inntea-white: #FFFFFF;
  --inntea-gray-50: #F7F7F9;
  --inntea-gray-100: #EDEDF2;
  --inntea-gray-200: #D9D9E1;
  --inntea-gray-400: #8A8A99;
  --inntea-gray-600: #4A4A58;
  --inntea-gray-800: #1F1F2E;
  --inntea-black: #000000;

  /* --- Color: Semánticos --- */
  --inntea-success: #2BB673;
  --inntea-warning: #F0A830;
  --inntea-danger:  #E5484D;
  --inntea-info:    #4A90E2;

  /* --- Tipografía --- */
  --font-display: 'Montserrat', 'Segoe UI', Tahoma, sans-serif;
  --font-body:    'Inter', 'Segoe UI', Tahoma, Arial, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  /* --- Escala tipográfica --- */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.75rem;
  --fs-4xl: 3.75rem;

  /* --- Espaciado (8pt grid) --- */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-8: 3rem;
  --sp-10: 4rem;
  --sp-12: 6rem;

  /* --- Bordes y radios --- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 24px;

  /* --- Sombras --- */
  --shadow-sm: 0 1px 2px rgba(14, 11, 38, 0.06);
  --shadow-md: 0 4px 14px rgba(14, 11, 38, 0.10);
  --shadow-lg: 0 18px 40px rgba(14, 11, 38, 0.18);
  --shadow-glow-orange: 0 0 0 4px rgba(243, 154, 0, 0.18);

  /* --- Layout --- */
  --container-max: 1200px;
  --container-narrow: 880px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--inntea-indigo-deep);
  background: var(--inntea-white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--inntea-indigo);
  margin: 0 0 var(--sp-4);
}

h1 { font-size: clamp(2rem, 4vw + 1rem, var(--fs-4xl)); }
h2 { font-size: clamp(1.5rem, 2.5vw + 0.75rem, var(--fs-3xl)); }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }
h6 { font-size: var(--fs-md); text-transform: uppercase; letter-spacing: 0.08em; }

p { margin: 0 0 var(--sp-4); }

a {
  color: var(--inntea-orange-a11y);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover { color: var(--inntea-orange-deep); }

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

ul, ol { padding-left: 1.25rem; }

code, pre, kbd { font-family: var(--font-mono); }

/* ------------------------------------------------------------
   Utilidades
------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--inntea-orange-a11y); /* por defecto asume fondo claro; en fondo indigo se sobreescribe a --inntea-orange */
  margin-bottom: var(--sp-3);
}
/* Sobre fondo indigo el naranja brillante ya tiene contraste suficiente (~7.7:1) */
.hero .eyebrow,
.section.dark .eyebrow,
.manual-hero .eyebrow,
.chapter.dark .eyebrow {
  color: var(--inntea-orange);
}

.lead {
  font-size: var(--fs-md);
  color: var(--inntea-gray-600);
  max-width: 60ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.85rem 1.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--inntea-orange);
  color: var(--inntea-indigo);
}
.btn-primary:hover {
  background: var(--inntea-orange-bright);
  box-shadow: var(--shadow-glow-orange);
  color: var(--inntea-indigo);
}

.btn-ghost {
  background: transparent;
  color: var(--inntea-cream);
  border-color: rgba(255, 246, 232, 0.4);
}
.btn-ghost:hover {
  border-color: var(--inntea-orange);
  color: var(--inntea-orange);
}

.btn-outline {
  background: transparent;
  color: var(--inntea-indigo);
  border-color: var(--inntea-indigo);
}
.btn-outline:hover {
  background: var(--inntea-indigo);
  color: var(--inntea-cream);
}

/* ------------------------------------------------------------
   Patrón decorativo: líneas técnicas (recuerdo del logo)
------------------------------------------------------------ */
.tech-pattern {
  background-image:
    radial-gradient(circle at 20% 20%, rgba(243,154,0,.08) 0 1px, transparent 2px),
    radial-gradient(circle at 80% 60%, rgba(243,154,0,.06) 0 1px, transparent 2px),
    linear-gradient(90deg, transparent 50%, rgba(243,154,0,.04) 50%);
  background-size: 80px 80px, 120px 120px, 8px 8px;
}