/* ════════════════════════════════════════════════════════════════════
   VITAL BOOST · Sistema de sitio
   Tokens + nav + footer + componentes compartidos por todas las páginas.
   Alineado con "Vital Boost Blog.html".
   ════════════════════════════════════════════════════════════════════ */

:root {
  --carbon:  #282828;
  --morado:  #4A3570;
  --morado-2:#5E4585;
  --crema:   #F5EDE0;
  --crema-2: #FBF6EC;
  --durazno: #F0D8C8;
  --lavanda: #E8DCF0;
  --ambar:   #C9A961;
  --teal:    #6B8E7F;
  --teal-d:  #5E806F;
  --cobre:   #B07A45;
  --gris:    #808080;
  --paper:   #FBF7EF;
  --line:    #E4D9C7;
  --ink-soft:#5b554c;
  --shadow:    0 18px 44px -22px rgba(74,53,112,0.30);
  --shadow-sm: 0 8px 22px -16px rgba(40,40,40,0.45);
  --shadow-lg: 0 30px 70px -34px rgba(74,53,112,0.40);
  --r:    18px;
  --r-lg: 24px;
  --maxw: 1200px;
  --sans:  'El Messiri', 'Montserrat', system-ui, sans-serif;
  --serif: 'El Messiri', 'Montserrat', system-ui, sans-serif;
  --body:  'Montserrat', system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--carbon);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
img { max-width: 100%; }
h1,h2,h3,h4 { font-family: var(--serif); }
.vb-wrap { max-width: var(--maxw); margin: 0 auto; padding-left: 28px; padding-right: 28px; }

/* ── Botones ──────────────────────────────────────────── */
.vb-btn { display: inline-flex; align-items: center; gap: 9px; font-family: var(--sans);
  font-size: 15px; font-weight: 700; letter-spacing: -0.01em; text-decoration: none; cursor: pointer;
  border-radius: 999px; padding: 13px 24px; border: 1px solid transparent; transition: all .18s ease; }
.vb-btn svg { display: block; }
.vb-btn-primary { background: var(--morado); color: #fff; box-shadow: var(--shadow); }
.vb-btn-primary:hover { background: var(--morado-2); transform: translateY(-2px); }
.vb-btn-wa { background: var(--teal); color: #fff; box-shadow: 0 14px 30px -18px rgba(107,142,127,0.9); }
.vb-btn-wa:hover { background: var(--teal-d); transform: translateY(-2px); }
.vb-btn-ghost { background: transparent; color: var(--carbon); border-color: var(--line); }
.vb-btn-ghost:hover { border-color: var(--morado); color: var(--morado); }
.vb-btn-lg { font-size: 16px; padding: 16px 30px; }

/* ── Nav ──────────────────────────────────────────────── */
.vb-nav { position: sticky; top: 0; z-index: 40; background: rgba(251,247,239,0.86);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); }
.vb-nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 16px 28px;
  display: flex; align-items: center; gap: 28px; }
.vb-logo { display: flex; align-items: center; text-decoration: none; flex: 0 0 auto; height: 28px; }
.vb-logo-svg { display: inline-flex; height: 28px; }
.vb-logo-svg svg { height: 100%; width: auto; display: block; }
.vb-nav .vb-logo-svg .cls-2 { fill: #8b7ab8; }
.vb-nav .vb-logo-svg .cls-1 { fill: #7a9577; }
.vb-nav-links { display: flex; gap: 26px; margin-left: auto; align-items: center; }
.vb-nav-links a { font-size: 14px; font-weight: 600; text-decoration: none; color: var(--ink-soft);
  font-family: var(--sans); padding: 6px 0; position: relative; transition: color .18s; }
.vb-nav-links a:hover { color: var(--carbon); }
.vb-nav-links a.is-active { color: var(--morado); }
.vb-nav-links a.is-active::after { content:""; position:absolute; left:0; right:0; bottom:-2px;
  height:2px; background: var(--morado); border-radius:2px; }
.vb-nav-cta { margin-left: 6px; }
.vb-nav-cta a { padding: 9px 18px; border-radius: 999px; background: var(--teal); color: #fff !important;
  font-weight: 700; }
.vb-nav-cta a::after { display: none; }
.vb-nav-cta a:hover { background: var(--teal-d); }
.vb-burger { display: none; margin-left: auto; background: none; border: 0; cursor: pointer;
  flex-direction: column; gap: 5px; padding: 6px; }
.vb-burger span { width: 22px; height: 2px; background: var(--carbon); border-radius: 2px; }
.vb-nav-mobile { display: none; flex-direction: column; padding: 8px 28px 16px; gap: 4px;
  border-top: 1px solid var(--line); }
.vb-nav-mobile.is-open { display: flex; }
.vb-nav-mobile a { padding: 10px 0; text-decoration: none; font-weight: 600; color: var(--ink-soft);
  font-family: var(--sans); }
.vb-nav-mobile a.is-active { color: var(--morado); }

/* ── Hero base ────────────────────────────────────────── */
.vb-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 82% -10%, rgba(232,220,240,0.95) 0%, rgba(232,220,240,0) 55%),
    radial-gradient(120% 90% at 8% 120%, rgba(240,216,200,0.85) 0%, rgba(240,216,200,0) 55%),
    var(--paper); }
.vb-hero::after { content:""; position:absolute; inset:0; pointer-events:none;
  background: radial-gradient(40% 60% at 50% 40%, rgba(201,169,97,0.10), transparent 70%); }
.vb-hero-inner { max-width: var(--maxw); margin: 0 auto; padding: 80px 28px 70px; position: relative; z-index:1; }
.vb-kicker { font-size: 12px; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--teal); font-family: var(--body); }
.vb-hero-title { font-family: var(--serif); font-weight: 700; font-size: clamp(40px, 6vw, 72px);
  line-height: 1.03; letter-spacing: -0.03em; margin: 18px 0 0; max-width: 17ch; }
.vb-hero-title .accent { color: var(--morado); }
.vb-hero-sub { font-size: 18px; line-height: 1.6; color: var(--ink-soft); max-width: 56ch; margin: 22px 0 0;
  font-family: var(--body); }
.vb-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }

/* ── Section heads ────────────────────────────────────── */
.vb-section { padding: 72px 0; }
.vb-section.tint-crema { background: var(--crema-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.vb-section.tint-lavanda { background:
  radial-gradient(100% 120% at 100% 0%, rgba(232,220,240,0.7), transparent 60%), var(--paper);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.vb-section.tint-carbon { background: var(--carbon); color: #e7e1d6; }
.vb-section-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 34px;
  padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.vb-section-head h2 { font-weight: 700; font-size: clamp(26px, 3vw, 34px); margin: 0; letter-spacing: -0.025em; }
.vb-section-head .meta { font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gris); margin-left: auto; font-family: var(--body); }
.tint-carbon .vb-section-head { border-color: rgba(255,255,255,0.12); }
.tint-carbon .vb-section-head .meta { color: var(--ambar); }
.vb-eyebrow { font-size: 12px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--teal); font-family: var(--body); margin: 0 0 14px; }

/* ── Placeholder de imagen (con prompt nano banana) ───── */
.vb-ph { position: relative; overflow: hidden; border-radius: var(--r);
  background-color: var(--lavanda);
  background-image: repeating-linear-gradient(135deg,
    rgba(74,53,112,0.07) 0 14px, rgba(74,53,112,0) 14px 28px);
  border: 1px dashed rgba(74,53,112,0.28);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 22px; min-height: 200px; gap: 10px; }
.vb-ph[data-tone="durazno"] { background-color: var(--durazno);
  background-image: repeating-linear-gradient(135deg, rgba(176,122,69,0.10) 0 14px, rgba(176,122,69,0) 14px 28px);
  border-color: rgba(176,122,69,0.32); }
.vb-ph[data-tone="teal"] { background-color: #DDE7E1;
  background-image: repeating-linear-gradient(135deg, rgba(94,128,111,0.12) 0 14px, rgba(94,128,111,0) 14px 28px);
  border-color: rgba(94,128,111,0.34); }
.vb-ph[data-tone="crema"] { background-color: var(--crema);
  background-image: repeating-linear-gradient(135deg, rgba(201,169,97,0.14) 0 14px, rgba(201,169,97,0) 14px 28px);
  border-color: rgba(201,169,97,0.4); }
.vb-ph-icon { width: 30px; height: 30px; opacity: .5; }
.vb-ph-label { font-family: 'Montserrat', monospace; font-size: 11.5px; font-weight: 700;
  letter-spacing: 0.04em; color: var(--carbon); text-transform: uppercase; max-width: 30ch; line-height: 1.4; }
.vb-ph-nb { font-family: ui-monospace, 'SFMono-Regular', Menlo, monospace; font-size: 10px;
  line-height: 1.5; color: var(--ink-soft); max-width: 46ch;
  background: rgba(255,255,255,0.55); border-radius: 8px; padding: 7px 10px; }
.vb-ph-nb b { color: var(--morado); font-weight: 700; }

/* ── Footer ───────────────────────────────────────────── */
.vb-footer { background: var(--carbon); color: #d8d2c8; margin-top: 0; }
.vb-footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 60px 28px 36px;
  display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 48px; }
.vb-footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; height: 30px; }
.vb-footer .vb-logo-svg { height: 30px; }
.vb-footer .vb-logo-svg .cls-2 { fill: #EDE7DC; }
.vb-footer .vb-logo-svg .cls-1 { fill: #9db59c; }
.vb-footer-brand p { font-size: 14px; line-height: 1.6; color: #a9a297; max-width: 42ch; margin: 0 0 18px; }
.vb-social { display: flex; gap: 18px; }
.vb-social a { font-size: 13px; font-weight: 600; color: #d8d2c8; text-decoration: none; }
.vb-social a:hover { color: #fff; }
.vb-footer-col h4 { font-size: 12px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ambar); margin: 0 0 16px; font-family: var(--body); }
.vb-footer-col a { display: block; font-size: 14px; color: #a9a297; text-decoration: none;
  padding: 5px 0; transition: color .15s; font-family: var(--sans); }
.vb-footer-col a:hover { color: #fff; }
.vb-disclaimer { max-width: var(--maxw); margin: 0 auto; padding: 24px 28px;
  border-top: 1px solid rgba(255,255,255,0.08); font-size: 12px; line-height: 1.6; color: #8a847a; }
.vb-disclaimer strong { color: #b3ada2; }
.vb-copy { text-align: center; font-size: 12px; color: #7a746b; padding: 0 28px 28px; }

/* ── WhatsApp flotante ────────────────────────────────── */
.vb-wa-float { position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 56px; height: 56px;
  border-radius: 50%; background: #25D366; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 14px 30px -10px rgba(37,211,102,0.6); text-decoration: none; transition: transform .18s; }
.vb-wa-float:hover { transform: scale(1.07); }

/* ── Responsive base ──────────────────────────────────── */
@media (max-width: 980px) {
  .vb-nav-links { display: none; }
  .vb-burger { display: flex; }
  .vb-footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .vb-footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .vb-hero-inner { padding: 56px 22px 48px; }
  .vb-section { padding: 52px 0; }
}

/* Language Switcher */
.vb-lang-switch { display: flex; align-items: center; gap: 8px; margin-left: 12px; }

.vb-lang-dim { opacity: 0.4; }
.vb-lang-dim:hover { opacity: 1; }

.vb-lang-switch img { cursor: pointer; transition: opacity 0.2s; }
.vb-lang-flag {
  height: 18px;
  width: 18px;
  border-radius: 50% !important;
  object-fit: cover;
  transition: transform 0.2s;
}
.vb-lang-flag:hover {
  transform: scale(1.1);
}