/* ===================== Coincuro · sitio público (editorial) ===================== */
:root {
  --paper: #f3efe6;
  --surface: #faf7f0;
  --surface-2: #ebe5d8;
  --ink: #211d17;
  --ink-soft: #6f6656;
  --line: #d9d2c3;
  --accent: #1f5c43;
  --accent-bright: #17513c;
  --accent-ink: #faf7f0;
  --accent-soft: #e3ece5;
  --cost: #a8442e;
  --cost-soft: #efe0d8;
  --radius: 8px;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
}
:root[data-theme="dark"] {
  --paper: #17140f;
  --surface: #201c15;
  --surface-2: #2a251c;
  --ink: #f1ebdf;
  --ink-soft: #9e9484;
  --line: #383225;
  --accent: #74c39b;
  --accent-bright: #8bd0ac;
  --accent-ink: #10251b;
  --accent-soft: #1a2a20;
  --cost: #d97a5f;
  --cost-soft: #2a1a13;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-body); background: var(--paper); color: var(--ink);
  line-height: 1.6; min-height: 100vh; display: flex; flex-direction: column;
  -webkit-font-smoothing: antialiased; position: relative;
}
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}
:root[data-theme="dark"] body::before { opacity: .05; }
.wrap { width: 100%; max-width: 780px; margin: 0 auto; padding: 0 22px; position: relative; z-index: 1; }
.narrow { max-width: 680px; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }

/* ===================== Header / nav ===================== */
.site-header { border-bottom: 1px solid var(--ink); position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--paper) 90%, transparent); backdrop-filter: saturate(140%) blur(10px); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 66px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); flex-shrink: 0; }
.brand-mark { width: 30px; height: 30px; color: var(--accent); }
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; letter-spacing: -.01em; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--ink-soft); text-decoration: none; font-size: .92rem; font-weight: 500; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.btn { color: var(--accent-ink); }
@media (max-width: 560px) { .nav-links a.link { display: none; } }

/* ===================== Botones ===================== */
.btn { display: inline-flex; align-items: center; gap: 8px; border: 1px solid transparent; border-radius: 7px;
  padding: 11px 18px; font-size: .92rem; font-weight: 500; font-family: var(--font-body); cursor: pointer;
  text-decoration: none; transition: background .2s, border-color .2s, color .2s, transform .05s; }
.btn:active { transform: scale(.98); }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { background: var(--accent-bright); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink); }
.btn.big { padding: 14px 24px; font-size: 1rem; }
.btn.cta::after { content: "→"; }

main { flex: 1; padding: 48px 0 64px; }

/* ===================== Hero + calculadora ===================== */
.eyebrow { font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.hero h1 { font-family: var(--font-display); font-size: clamp(2.2rem, 6vw, 3.4rem); font-weight: 600; letter-spacing: -.025em; line-height: 1.03; margin: 14px 0 16px; }
.hero h1 .it { font-style: italic; font-weight: 500; color: var(--accent); }
.hero .sub { font-size: 1.12rem; color: var(--ink-soft); max-width: 46ch; }

.calc { background: var(--surface); border: 1px solid var(--ink); border-radius: var(--radius); padding: 26px; margin: 34px 0; }
.calc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.calc label { display: block; font-size: .68rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); margin: 0 0 8px; }
.calc .field { margin-bottom: 16px; }
.calc input, .calc select { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 7px; font-size: 1rem; font-family: inherit; background: var(--paper); color: var(--ink); }
.calc input:focus, .calc select:focus { outline: none; border-color: var(--accent); }
.calc-out { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 8px; border: 1px solid var(--line); }
.calc-out .o { padding: 18px; border-left: 1px solid var(--line); }
.calc-out .o:first-child { border-left: none; }
.calc-out .o .v { font-family: var(--font-display); font-size: 1.9rem; font-weight: 600; letter-spacing: -.02em; line-height: 1; }
.calc-out .o.cost .v { color: var(--cost); }
.calc-out .o.save .v { color: var(--accent); }
.calc-out .o .l { font-size: .66rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); margin-top: 8px; }
.calc-note { font-size: .85rem; color: var(--ink-soft); margin-top: 14px; }
/* «Empezar a seguir este hábito» (calculadora y calculadoras de los artículos) */
.track-box { margin: 22px 0 4px; padding-top: 20px; border-top: 1px solid var(--line, rgba(0,0,0,.1)); text-align: center; }
.track-box .btn { width: 100%; max-width: 440px; justify-content: center; }
.article .track-box .btn { color: var(--accent-ink); text-decoration: none; }
.track-sub { font-size: .85rem; color: var(--ink-soft); margin: 10px auto 0; max-width: 46ch; }
@media (max-width: 560px) { .calc-out { grid-template-columns: 1fr; } .calc-out .o { border-left: none; border-top: 1px solid var(--line); } .calc-out .o:first-child { border-top: none; } }

/* franjas de valor */
.strip { border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); padding: 40px 0; margin: 48px 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature h3 { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; margin-bottom: 6px; }
.feature p { font-size: .92rem; color: var(--ink-soft); }
.feature .fi { width: 26px; height: 26px; color: var(--accent); margin-bottom: 10px; }
.feature .fi svg { width: 100%; height: 100%; }
@media (max-width: 620px) { .feature-grid { grid-template-columns: 1fr; gap: 22px; } }

/* ===================== Artículo / prosa ===================== */
.article h1 { font-family: var(--font-display); font-size: clamp(2rem, 5vw, 2.9rem); font-weight: 600; letter-spacing: -.02em; line-height: 1.05; margin-bottom: 12px; }
.article .meta { font-size: .82rem; color: var(--ink-soft); margin-bottom: 8px; letter-spacing: .04em; text-transform: uppercase; }
.article .lead { font-size: 1.18rem; color: var(--ink-soft); margin: 18px 0 30px; line-height: 1.55; }
.article h2 { font-family: var(--font-display); font-size: 1.55rem; font-weight: 600; letter-spacing: -.01em; margin: 38px 0 14px; }
.article h3 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; margin: 28px 0 10px; }
.article p, .article li { font-size: 1.05rem; line-height: 1.7; margin-bottom: 16px; }
.article ul, .article ol { margin: 0 0 20px 22px; }
.article li { margin-bottom: 8px; }
.article strong { font-weight: 600; }
.article blockquote { border-left: 3px solid var(--accent); padding: 4px 0 4px 20px; margin: 24px 0; font-family: var(--font-display); font-size: 1.3rem; font-style: italic; color: var(--ink); }
.article table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: .98rem; }
.article th, .article td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--line); }
.article th { font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
.article td.num { font-family: var(--font-display); font-weight: 600; text-align: right; }
@media (max-width: 560px) {
  .article table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; font-size: .9rem; }
  .article th, .article td { padding: 9px 8px; }
}

.callout { background: var(--surface); border: 1px solid var(--ink); border-radius: var(--radius); padding: 22px 24px; margin: 30px 0; }
.callout h3 { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 8px; }
.callout p { color: var(--ink-soft); margin-bottom: 14px; font-size: .98rem; }

/* ===================== Blog index ===================== */
.post-list { display: flex; flex-direction: column; }
.post-item { display: block; padding: 26px 0; border-top: 1px solid var(--line); text-decoration: none; color: inherit; transition: padding-left .18s; }
.post-item:hover { padding-left: 10px; }
.post-item .p-cat { font-size: .7rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.post-item h2 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; letter-spacing: -.01em; margin: 8px 0 6px; }
.post-item p { color: var(--ink-soft); font-size: .98rem; }

/* ===================== Publicidad ===================== */
.ad { margin: 36px 0; text-align: center; min-height: 90px; }
.ad-label { font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-soft); opacity: .7; margin-bottom: 6px; }
.ad ins { display: block; }

/* ===================== Consentimiento cookies ===================== */
.consent { position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 60; max-width: 560px; margin: 0 auto;
  background: var(--surface); border: 1px solid var(--ink); border-radius: var(--radius); padding: 20px 22px;
  box-shadow: 0 18px 50px rgba(33,29,23,.3); }
.consent p { font-size: .9rem; color: var(--ink-soft); margin-bottom: 14px; }
.consent .c-actions { display: flex; gap: 10px; }
.consent .btn { flex: 1; justify-content: center; }

/* ===================== Footer ===================== */
.site-footer { border-top: 1px solid var(--ink); padding: 34px 0; margin-top: auto; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; align-items: center; }
.foot .f-links { display: flex; flex-wrap: wrap; gap: 18px; }
.foot a { color: var(--ink-soft); text-decoration: none; font-size: .86rem; }
.foot a:hover { color: var(--ink); }
.foot .f-copy { font-size: .8rem; color: var(--ink-soft); }

/* ===================== Compartir resultado ===================== */
.share-box { margin-top: 20px; padding-top: 18px; border-top: 1px dashed var(--line); }
.share-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; margin-bottom: 12px; }
.share-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.share-actions .btn { cursor: pointer; text-decoration: none; }
.share-msg { font-size: .82rem; color: var(--ink-soft); margin-top: 10px; min-height: 1em; }
@media (max-width: 560px) { .share-actions .btn { flex: 1 1 100%; justify-content: center; } }

/* ===================== Migas de pan ===================== */
.crumbs { font-size: .82rem; color: var(--ink-soft); margin: 4px 0 14px; }
.crumbs a { color: var(--ink-soft); text-decoration: none; }
.crumbs a:hover { color: var(--ink); text-decoration: underline; }
.crumbs span { margin: 0 6px; opacity: .6; }

/* ===================== Respuesta rápida (resumen citable) ===================== */
.answer { border: 1px solid var(--ink); border-left: 4px solid var(--accent); background: var(--surface); border-radius: var(--radius); padding: 18px 22px; margin: 0 0 30px; }
.answer .answer-label { font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.article .answer ul { margin: 0 0 10px 18px; }
.article .answer li { font-size: 1rem; line-height: 1.55; margin-bottom: 6px; }
.article .answer .answer-src { font-size: .82rem; color: var(--ink-soft); margin: 0; line-height: 1.5; }

/* ===================== Encuesta del estudio ===================== */
.survey .survey-step { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; margin: 8px 0 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.survey .survey-step:first-of-type { border-top: none; padding-top: 0; }
.survey-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.survey .calc-note { margin: 14px 0 0; font-size: .82rem; line-height: 1.5; }
.survey .btn[disabled] { opacity: .6; cursor: wait; }
@media (max-width: 560px) { .survey-grid { grid-template-columns: 1fr; } }
.survey-result { background: var(--surface); border: 1px solid var(--ink); border-left: 4px solid var(--cost); border-radius: var(--radius); padding: 24px; margin: 34px 0; }
.survey-result .answer-label { font-size: .72rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--cost); margin-bottom: 6px; }
.article .survey-result .r-big { font-family: var(--font-display); font-size: clamp(2rem, 7vw, 2.8rem); font-weight: 600; letter-spacing: -.02em; line-height: 1.05; margin-bottom: 12px; }
.survey-result .r-big span { color: var(--cost); }
.survey-result .share-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }

/* ===================== Calculadoras dentro de los artículos ===================== */
.article .calc-embed { margin: 30px 0 36px; }
.article .calc-embed .calc-embed-h { margin: 0 0 18px; font-size: 1.3rem; }
.calc-embed .calc-row { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.calc-embed .calc-out .o .v { font-size: 1.45rem; }
.calc-embed .calc-note { font-size: .88rem; color: var(--ink-soft); margin: 12px 0 0; }
@media (max-width: 520px) { .calc-embed .calc-out { grid-template-columns: 1fr; } .calc-embed .calc-out .o { border-left: none; border-top: 1px solid var(--line); } .calc-embed .calc-out .o:first-child { border-top: none; } }