/* ═══════════════════════════════════════════════════════
   RAFA DEL CASTILLO — GLOBAL STYLESHEET v3
   Swiss minimal · Red papel · Cursivas y marker · Paleta inversa
   ═══════════════════════════════════════════════════════ */

:root {
  --bg: #FAFAF8;
  --bg-soft: #F1F0EC;
  --bg-dark: #0F0F0F;
  --bg-dark-soft: #1A1A1A;
  --ink: #0A0A0A;
  --ink-soft: #444444;
  --ink-mute: #8A8A8A;
  --on-dark: #F5F1E8;
  --on-dark-soft: #B8B3A6;
  --on-dark-mute: #6B6760;
  --rule: rgba(10,10,10,0.1);
  --rule-soft: rgba(10,10,10,0.05);
  --rule-dark: rgba(245,241,232,0.1);
  --red: #D63E3E;
  --red-hover: #B92E2E;
  --red-light: #F08585;
  --highlight: #FFE665;
  --sans: 'Inter', -apple-system, sans-serif;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'ss01', 'ss02', 'cv01', 'cv02';
}

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.reading { max-width: 720px; margin: 0 auto; padding: 0 40px; }

/* ─── EMPHASIS SYSTEM ─── */
.accent {
  font-style: italic;
  color: var(--red);
  font-weight: 600;
}
.marker {
  background-image: linear-gradient(180deg, transparent 60%, var(--highlight) 60%, var(--highlight) 92%, transparent 92%);
  padding: 0 2px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
/* Accent on dark backgrounds */
.dark .accent, .punch-text .accent, .data-num.accent, .cta-title .accent {
  color: var(--red-light);
}

/* ─── NAV ─── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,250,248,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--rule-soft);
  padding: 20px 0;
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; }
.nav-logo {
  font-family: var(--sans);
  font-size: 1.1rem; font-weight: 700;
  color: var(--ink); text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo .dot { color: var(--red); margin-left: 1px; }
.nav-right { display: flex; gap: 40px; align-items: center; }
.nav-right a {
  font-family: var(--sans); font-size: 0.85rem;
  color: var(--ink-soft); text-decoration: none; font-weight: 500;
}
.nav-right a:hover { color: var(--ink); }
.nav-right a.active { color: var(--ink); }
.nav-cta {
  background: var(--red); color: var(--on-dark) !important;
  padding: 9px 20px; border-radius: 100px;
  font-weight: 500; transition: background 0.2s;
}
.nav-cta:hover { background: var(--red-hover) !important; color: var(--on-dark) !important; }

/* ─── SECTION COMMON ─── */
.section-label {
  font-family: var(--sans);
  font-size: 0.85rem; color: var(--ink-soft);
  font-weight: 500; margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
}
.section-label-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--red);
}
.section-title {
  font-family: var(--sans);
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  line-height: 1.05; letter-spacing: -0.03em;
  font-weight: 700;
  margin-bottom: 40px;
  max-width: 800px;
  color: var(--ink);
}

/* ─── FORM SYSTEM ─── */
.form-pill {
  display: flex; gap: 8px;
  background: white;
  padding: 6px;
  border: 1px solid var(--rule);
  border-radius: 100px;
}
.form-pill.dark {
  background: var(--bg-dark-soft);
  border-color: var(--rule-dark);
}
.form-input {
  flex: 1; padding: 12px 18px;
  font-family: var(--sans); font-size: 0.95rem;
  background: transparent; border: none;
  color: var(--ink); outline: none;
}
.form-pill.dark .form-input { color: var(--on-dark); }
.form-input::placeholder { color: var(--ink-mute); }
.form-pill.dark .form-input::placeholder { color: var(--on-dark-mute); }
.form-btn {
  padding: 12px 26px;
  font-family: var(--sans); font-size: 0.9rem; font-weight: 600;
  background: var(--red); color: var(--on-dark);
  border: none; border-radius: 100px; cursor: pointer;
  transition: background 0.15s;
}
.form-btn:hover { background: var(--red-hover); }

/* ─── INVERTED PUNCH ─── */
.punch {
  padding: 140px 0;
  background: var(--bg-dark);
  color: var(--on-dark);
}
.punch-text {
  font-family: var(--sans);
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1; letter-spacing: -0.04em;
  font-weight: 700;
  max-width: 900px;
  color: var(--on-dark);
}

/* ─── FOOTER ─── */
footer {
  padding: 48px 0 36px;
  border-top: 1px solid var(--rule);
  background: var(--bg);
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
}
.footer-copy { font-size: 0.85rem; color: var(--ink-mute); }
.footer-links { display: flex; gap: 32px; }
.footer-links a {
  font-size: 0.85rem; color: var(--ink-mute); text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--ink); }

/* ─── ANIMATIONS ─── */
.rv {
  opacity: 0; transform: translateY(20px);
  transition: all 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.rv.vis { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .wrap { padding: 0 24px; }
  .reading { padding: 0 24px; }
  .nav-right a:not(.nav-cta) { display: none; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
}