/* Página de presentación del Diagramador · Café Referido */
.mk { background: var(--surface); color: var(--ink); overflow: visible; }
.mk-wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.mk-nav { display: flex; align-items: center; gap: 24px; padding: 18px 0; flex-wrap: wrap; }
.mk-nav nav { display: flex; gap: 20px; flex: 1; flex-wrap: wrap; }
.mk-nav nav a { color: var(--ink-fixed); text-decoration: none; font-size: 15px; font-weight: 600; }
.mk-cta { height: 48px; display: inline-flex; align-items: center; gap: 12px; padding: 0 20px; border-radius: var(--radius-paper); border: 1.5px solid #1c1714; background: #fffdf8; color: #1c1714; font-size: 15px; font-weight: 600; text-decoration: none; white-space: nowrap; }
.mk-cta svg { width: 20px; height: 20px; }
.mk-cta.lift { box-shadow: 0 6px 0 rgba(28,23,20,0.9); }
.mk-ghost { height: 48px; display: inline-flex; align-items: center; gap: 8px; padding: 0 18px; border-radius: var(--radius-soft); color: #1c1714; font-size: 15px; font-weight: 600; text-decoration: underline; text-underline-offset: 4px; }
.mk-hero { padding: 24px 0 120px; }
.mk-hero-grid { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 32px; padding-top: 72px; }
.mk-h1 { font-family: var(--font-poster); font-size: clamp(56px, 8vw, 112px); line-height: 0.9; letter-spacing: 0.01em; text-transform: uppercase; margin: 0; }
.mk-h1 em { font-style: normal; color: #a87b56; font-size: 0.55em; }
.mk-lead { font-size: 18px; line-height: 28px; max-width: 520px; margin: 20px 0 28px; color: #1c1714; }
.mk-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.mk-table { background: var(--espresso); padding: 96px 0; }
.mk-sec { padding: 96px 0; }
.mk-kicker { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--latte-text); margin: 0 0 12px; }
.mk-h2 { font-family: var(--font-editorial); font-size: clamp(34px, 4.4vw, 56px); line-height: 1; letter-spacing: -0.02em; text-transform: lowercase; margin: 0 0 16px; }
.mk-sub { font-size: 18px; line-height: 28px; color: var(--ink-muted); max-width: 620px; margin: 0; }
.mk-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 32px; margin-top: 48px; }
.mk-card { border-radius: var(--radius-paper); box-shadow: var(--shadow-paper); padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.mk-card.crema { background: var(--crema); color: var(--ink-fixed); }
.mk-card.navy { background: var(--navy); color: var(--on-dark); }
.mk-card h3 { font-family: var(--font-editorial); font-size: 24px; line-height: 1.15; font-weight: 400; text-transform: lowercase; margin: 0; }
.mk-card p { font-size: 15px; line-height: 24px; margin: 0; }
.mk-card .ico { width: 44px; height: 44px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: #a87b56; color: #1c1714; }
.mk-card.navy .ico { background: #c99a72; }
.mk-card .foot { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; opacity: 0.8; margin-top: auto; }
.mk-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 32px; margin-top: 48px; }
.mk-step { display: flex; flex-direction: column; gap: 10px; padding-top: 20px; border-top: 1.5px solid var(--line-strong); }
.mk-step .n { font-family: var(--font-poster); font-size: 44px; line-height: 1; color: var(--latte); }
.mk-step h3 { font-size: 20px; font-weight: 700; margin: 0; }
.mk-step p { font-size: 15px; line-height: 24px; color: var(--ink-muted); margin: 0; }
.mk-tpl { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.mk-tpl span { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: var(--radius-pill); background: var(--sky-300); color: #1c1714; font-weight: 600; font-size: 15px; }
.mk-close { border-radius: var(--radius-poster); padding: 64px 48px; display: flex; flex-wrap: wrap; gap: 32px; align-items: flex-end; justify-content: space-between; }
.mk-foot { padding: 32px 0 48px; display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; color: var(--ink-muted); font-size: 13px; }
@media (max-width: 640px) {
  .mk-nav nav { display: none; }
  .mk-hero { padding-bottom: 72px; }
  .mk-hero-grid { padding-top: 40px; }
  .mk-sec, .mk-table { padding: 64px 0; }
  .mk-close { padding: 40px 24px; }
  .mk-cta { width: 100%; justify-content: center; }
  .mk-preview { display: none; }
}

/* Anatomía de un diagrama */
.mk-anat { margin-top: 48px; display: flex; flex-direction: column; align-items: stretch; }
.mk-stem { display: block; width: 2px; height: 28px; background: #9a8473; margin: 0 auto; }
.mk-row { display: flex; flex-wrap: wrap; gap: 32px; border-top: 2px solid #9a8473; padding-top: 0; }
.mk-arm { flex: 1 1 300px; min-width: 0; display: flex; flex-direction: column; align-items: stretch; }
.mk-drop { display: block; width: 2px; height: 22px; background: #9a8473; margin: 0 auto 12px; }
.mk-num { position: absolute; top: -12px; right: -12px; z-index: 2; width: 28px; height: 28px; border-radius: 50%; background: #dbe9f7; color: #1c1714; font: 700 14px/28px var(--font-sans); text-align: center; box-shadow: 0 0 0 3px #5a3a2a; }
.mk-legend { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px 28px; color: #fbf5ea; }
.mk-legend li { display: flex; gap: 12px; align-items: flex-start; }
.mk-legend .mk-num { position: static; flex-shrink: 0; box-shadow: none; }
.mk-legend b { display: block; font-size: 16px; margin-bottom: 2px; }
.mk-legend span { font-size: 14px; line-height: 21px; color: #e4d4c2; }
@media (max-width: 640px) { .mk-row { border-top: 0; } .mk-num { right: -6px; } }

/* v2 · cielo suave (sin franjas) para la presentación */
.mk .sky { background: radial-gradient(120% 80% at 85% 0%, rgba(169,200,234,0.55) 0%, rgba(169,200,234,0) 60%), linear-gradient(180deg, #f8f1e8 0%, #f3ede6 55%, #e6eef7 100%); }
.mk .sky .sp { fill: #c99a72; opacity: 0.45; }
.mk .mk-hero { border-bottom: 1px solid #e4d8c6; }
.mk .mk-cta.lift { box-shadow: 0 8px 20px rgba(31,42,68,0.25); }
.mk .mk-hero .mk-cta:not(.lift) { border-color: #d9cbb5; }