/* ============================================
   TEXTOHOME — main.css
   Variables, reset, tipografía y utilidades globales
   Paleta: Mostaza Intelectual
   ============================================ */

:root {
  /* Colores */
  --ink:       #1E1608;
  --accent:    #B5830A;
  --accent-dk: #8A6208;
  --paper:     #FDFBF4;
  --warm:      #F5F0E0;
  --stone:     #8A7240;
  --stone-lt:  #B8A478;
  --white:     #FFFFFF;
  --border:    #E8DFC0;
  --border-lt: #F0EAD4;

  /* Tipografía */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  /* Radios */
  --radius-sm:     6px;
  --radius-md:     10px;
  --radius-lg:     14px;
  --radius-pill:   100px;
  --radius-circle: 50%;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(30,22,8,0.08);
  --shadow-md: 0 4px 16px rgba(30,22,8,0.10);
  --shadow-lg: 0 12px 40px rgba(30,22,8,0.18);

  /* Layout */
  --max-width: 1100px;
  --section-py: 84px;
}

/* ---- Reset ---- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: var(--font-body); cursor: pointer; }
ul { list-style: none; }

/* ---- Tipografía ---- */
h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 68px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -2px;
}
h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.5px;
}
h3 { font-size: 17px; font-weight: 600; line-height: 1.3; }
.lead { font-size: clamp(15px, 1.5vw, 18px); line-height: 1.7; font-weight: 300; }

/* ---- Layout ---- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
.section { padding: var(--section-py) 32px; }
.section--paper  { background: var(--paper); }
.section--white  { background: var(--white); }
.section--warm   { background: var(--warm); }
.section--ink    { background: var(--ink); color: var(--paper); }
.section--accent { background: var(--accent); }

/* ---- Kicker (etiqueta de sección) ---- */
.kicker {
  display: flex; align-items: center; gap: 8px;
  font-size: 10px; text-transform: uppercase; letter-spacing: 3px;
  color: var(--accent); margin-bottom: 14px;
}
.kicker::before { content: ''; width: 18px; height: 1.5px; background: var(--accent); }
.kicker--dim { color: rgba(253,251,244,0.45); }
.kicker--dim::before { background: rgba(181,131,10,0.5); }

/* ---- Botones ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: var(--radius-md);
  font-size: 14.5px; font-weight: 500; border: none;
  transition: all 0.15s;
}
.btn-primary   { background: var(--accent); color: var(--paper); }
.btn-primary:hover { background: var(--accent-dk); }
.btn-secondary { background: transparent; border: 1.5px solid rgba(253,251,244,0.2); color: var(--paper); }
.btn-secondary:hover { background: rgba(253,251,244,0.08); }
.btn-outline   { background: transparent; border: 1.5px solid var(--border); color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-dark      { background: var(--ink); color: var(--paper); }
.btn-dark:hover { background: #2D2010; }

/* ---- Grids ---- */
.g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.g3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.g4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ---- Tarjetas ---- */
.card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 30px;
}
.card--warm { background: var(--warm); border-color: var(--border-lt); }
.card--ink  { background: rgba(253,251,244,0.04); border: 1px solid rgba(253,251,244,0.07); }

/* ---- Píldoras ---- */
.pill { display: inline-block; padding: 4px 12px; border-radius: var(--radius-pill); font-size: 11px; font-weight: 600; }
.pill-ac { background: rgba(181,131,10,0.12); color: var(--accent); }
.pill-dk { background: rgba(253,251,244,0.08); color: rgba(253,251,244,0.6); }

/* ---- Utilidades ---- */
.mt-8{margin-top:8px;}.mt-12{margin-top:12px;}.mt-16{margin-top:16px;}
.mt-20{margin-top:20px;}.mt-24{margin-top:24px;}.mt-32{margin-top:32px;}
.mt-40{margin-top:40px;}.mt-48{margin-top:48px;}
.mb-8{margin-bottom:8px;}.mb-16{margin-bottom:16px;}.mb-24{margin-bottom:24px;}
.mb-32{margin-bottom:32px;}.mb-40{margin-bottom:40px;}.mb-48{margin-bottom:48px;}
.stone{color:var(--stone);}.stone-lt{color:var(--stone-lt);}
.sm{font-size:13.5px;}.lh{line-height:1.75;}.mw{max-width:580px;}.center{text-align:center;}

/* ---- Responsive base ---- */
@media (max-width: 900px) {
  :root { --section-py: 56px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .section { padding: var(--section-py) 20px; }
  .container { padding: 0 20px; }
}