/* ============================================
   COST OF BEING — stylesheet v3
   Font: Bitcount (títulos) + KoHo (cuerpo)
   Palette: negro puro, blanco, gris legible
   ============================================ */

@font-face {
  font-family: 'Bitcount Grid Single Ink';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url(https://cdn.jsdelivr.net/fontsource/fonts/bitcount-grid-single-ink:vf@latest/latin-wght-normal.woff2) format('woff2-variations'),
       url(https://cdn.jsdelivr.net/fontsource/fonts/bitcount-grid-single-ink@latest/latin-400-normal.woff2) format('woff2');
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0a0a0a;
  --surface:   #111111;
  --surface2:  #1c1c1c;
  --border:    #303030;
  --text:      #ebebeb;
  --muted:     #a0a09a;
  --dim:       #585856;
  --white:     #ffffff;
  --accent:    #d4d0c8;
  --flair:     #e8e0d0;
  --font:      'KoHo', sans-serif;
  --font-title: 'Bitcount Grid Single Ink', monospace;
  --max:       1080px;
  --pad:       clamp(1.5rem, 5vw, 4rem);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.75;
  overflow-x: hidden;
}

/* ---- NAV ---- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem var(--pad);
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-title {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--white);
}

nav ul { list-style: none; display: flex; gap: 2.2rem; }

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}
nav a:hover, nav a.active { color: var(--white); }

.lang-switch {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  margin-left: 1.5rem;
}
.lang-switch:hover {
  border-color: var(--text);
  color: var(--white);
}

/* ---- SECTIONS ---- */
section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 9rem var(--pad) 6rem;
  border-bottom: 1px solid var(--border);
}

.container {
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
}

.section-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 2.5rem;
}

h1 {
  font-family: var(--font-title);
  font-size: clamp(3.8rem, 10vw, 9rem);
  font-weight: 400;
  line-height: 0.97;
  letter-spacing: 0.01em;
  color: var(--white);
}

h2 {
  font-family: var(--font-title);
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: 0.01em;
  margin-bottom: 2.5rem;
  color: var(--white);
}

h3 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: 0.8rem;
  color: var(--text);
}

/* ---- HERO ---- */
#hero {
  position: relative;
  flex-direction: column;
  justify-content: center;
  padding-top: 5rem;
}

.hero-inner { max-width: var(--max); width: 100%; margin: 0 auto; }

.hero-label {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 2.5rem;
}

#hero h1 { margin-bottom: 3rem; }

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--muted);
  max-width: 52ch;
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.hero-question {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-style: italic;
  color: var(--accent);
  max-width: 55ch;
  line-height: 1.7;
  margin-bottom: 3.5rem;
  padding-left: 1.5rem;
  border-left: 1px solid var(--border);
}

.hero-meta {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
}

.scroll-hint {
  position: absolute;
  bottom: 3rem;
  left: var(--pad);
  font-size: 1.2rem;
  color: var(--dim);
  animation: bounce 2.8s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(8px); opacity: 0.8; }
}

/* ---- CONCEPT ---- */
#concept { background: var(--surface); }

.concept-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.concept-main blockquote {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-style: italic;
  font-weight: 400;
  line-height: 1.6;
  color: var(--flair);
  border-left: 2px solid var(--border);
  padding-left: 1.8rem;
  margin-bottom: 2.5rem;
}

.concept-main p {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 1.2rem;
}

.concept-pillars { display: flex; flex-direction: column; gap: 1.5rem; }

.pillar {
  padding: 1.4rem 1.6rem;
  border: 1px solid var(--border);
  background: var(--bg);
}

.pillar-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.pillar p { font-size: 0.9rem; color: var(--muted); line-height: 1.65; }

/* ---- BODY ---- */
#body { background: var(--bg); }

.body-intro {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: start;
  margin-bottom: 4rem;
}

.body-text p { font-size: 1rem; color: var(--muted); line-height: 1.8; margin-bottom: 1.2rem; }
.body-text .em { color: var(--flair); font-style: italic; font-size: 1.05rem; }

.plug-callout {
  border: 1px solid var(--border);
  padding: 2rem;
  background: var(--surface);
}
.plug-callout strong { display: block; margin-bottom: 0.8rem; font-size: 0.95rem; color: var(--text); }
.plug-callout p { font-size: 0.92rem; color: var(--muted); line-height: 1.7; margin-bottom: 1rem; }
.plug-callout p:last-child { margin-bottom: 0; }

/* ---- PROPOSALS SLIDER ---- */
.proposals { margin-bottom: 4rem; }

.slider {
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.slides { position: relative; }

.slide {
  display: none;
  width: 100%;
}
.slide.active { display: block; }

.slide img {
  width: 100%;
  height: auto;
  display: block;
  filter: invert(1);
}

.slide-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-size: 1rem;
  width: 2.2rem;
  height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: color 0.2s, border-color 0.2s;
  font-family: var(--font);
}
.slide-btn:hover { color: var(--white); border-color: var(--text); }
.slide-btn.prev { left: 1rem; }
.slide-btn.next { right: 1rem; }

.slide-dots {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem;
}

.dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: background 0.2s;
}
.dot.active { background: var(--text); }

/* ---- ORGANS TABLE (interactive) ---- */
.organs { margin-top: 0; }

.organs-title {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 0.6rem;
}

.organs-intro-text {
  font-size: 0.95rem;
  color: var(--muted);
  max-width: 58ch;
  margin-bottom: 1.8rem;
  line-height: 1.7;
}

.organs-grid {
  border: 1px solid var(--border);
  overflow: hidden;
  margin-bottom: 1px;
}

.organ-row {
  display: grid;
  grid-template-columns: 1.8fr 0.7fr 2.4fr 1.2fr;
  padding: 0.85rem 1.2rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  align-items: center;
  transition: background 0.15s;
  cursor: pointer;
  user-select: none;
}
.organ-row:last-child { border-bottom: none; }

.organ-row.header {
  background: rgba(255,255,255,0.04);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  cursor: default;
}

.organ-row:not(.header):hover { background: rgba(255,255,255,0.03); }

.organ-row:not(.header).active {
  background: rgba(255,255,255,0.06);
}
.organ-row:not(.header).active .organ-name { color: var(--white); }

.organ-name { color: var(--text); transition: color 0.2s; }
.organ-row span:nth-child(3) { color: var(--muted); font-size: 0.85rem; }

.organ-toggle {
  justify-self: end;
  width: 28px; height: 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  position: relative;
  transition: background 0.25s, border-color 0.25s;
  pointer-events: none;
}
.organ-toggle::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--dim);
  transition: transform 0.25s, background 0.25s;
}
.organ-row.active .organ-toggle {
  background: rgba(255,255,255,0.12);
  border-color: var(--text);
}
.organ-row.active .organ-toggle::after {
  transform: translateX(12px);
  background: var(--white);
}

.cost {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.18rem 0.5rem;
  border: 1px solid var(--border);
  color: var(--muted);
  transition: border-color 0.2s, color 0.2s;
}
.organ-row.active .cost { border-color: var(--dim); color: var(--text); }
.cost.always { border-color: var(--dim); color: var(--accent); }

/* Cost meter */
.cost-meter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: none;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 1px;
}
.cost-meter-label { letter-spacing: 0.06em; }
.cost-value {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--white);
  transition: color 0.3s;
}
.cost-value.high { color: var(--flair); }
.cost-meter-note { font-size: 0.75rem; color: var(--dim); font-style: italic; }

/* Modes */
.modes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  margin-top: 1px;
}

.mode {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.3rem;
  background: var(--surface);
}

.mode-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.5rem;
}
.survival .mode-dot  { background: #c0392b; box-shadow: 0 0 10px rgba(192,57,43,0.5); }
.stable .mode-dot    { background: #e8a030; box-shadow: 0 0 10px rgba(232,160,48,0.4); }
.thriving .mode-dot  { background: #27ae60; box-shadow: 0 0 10px rgba(39,174,96,0.4); }

.mode strong { display: block; margin-bottom: 0.35rem; font-size: 0.88rem; color: var(--text); }
.mode p { font-size: 0.82rem; color: var(--muted); margin: 0; line-height: 1.5; }

/* ---- ECONOMY ---- */
#economy { background: var(--surface); }

.economy-text { max-width: 65ch; margin-bottom: 3.5rem; }
.economy-text p { font-size: 1rem; color: var(--muted); line-height: 1.8; margin-bottom: 1.2rem; }
.economy-text p strong { color: var(--text); }

.economy-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  margin-bottom: 3rem;
}

.econ-card { padding: 2rem; background: var(--bg); }

.econ-card h3 {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.econ-card p { font-size: 0.9rem; color: var(--muted); line-height: 1.7; margin-bottom: 0.9rem; }
.econ-card p:last-child { margin-bottom: 0; }

.x402-block {
  padding: 2rem;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.x402-label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 0.8rem;
}
.x402-block p { font-size: 0.92rem; color: var(--muted); line-height: 1.7; }
.x402-block strong { color: var(--text); }

/* ---- REFERENCES ---- */
#references { background: var(--bg); }

.refs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  margin-top: 1.5rem;
}

.ref-card { padding: 2rem; background: var(--surface); transition: background 0.2s; }
.ref-card:hover { background: var(--surface2); }

.ref-year {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--dim);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.5rem;
}
.ref-card h3 { font-size: 0.95rem; margin-bottom: 0.25rem; }
.ref-author {
  font-size: 0.8rem;
  color: var(--muted);
  font-style: italic;
  display: block;
  margin-bottom: 1rem;
}
.ref-card p { font-size: 0.9rem; color: var(--muted); line-height: 1.65; }

/* ---- ARTIST ---- */
#artist { background: var(--surface); }

.artist-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 5rem;
  align-items: start;
}

.artist-bio h2 { margin-bottom: 0.4rem; }
.artist-sub { font-size: 0.82rem; letter-spacing: 0.05em; color: var(--dim); display: block; margin-bottom: 2rem; }

.artist-bio p { font-size: 0.97rem; color: var(--muted); line-height: 1.75; margin-bottom: 1.1rem; max-width: 55ch; }
.artist-bio em { color: var(--text); font-style: italic; }

.artist-quote {
  color: var(--flair) !important;
  font-style: italic;
  font-size: 1.05rem !important;
  border-left: 1px solid var(--border);
  padding-left: 1.4rem;
  margin: 2.2rem 0 !important;
  max-width: 42ch;
}

.contact-link {
  color: var(--text);
  text-decoration: none;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: border-color 0.2s;
}
.contact-link:hover { border-color: var(--text); }

.cta-group {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.btn-cv {
  display: inline-block;
  font-family: var(--font-title);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--bg);
  background: var(--text);
  text-decoration: none;
  padding: 0.6rem 1.4rem;
  transition: background 0.2s, color 0.2s;
}
.btn-cv:hover {
  background: var(--white);
  color: var(--bg);
}

.artist-meta { display: flex; flex-direction: column; gap: 2.2rem; margin-top: 0.5rem; }

.meta-label {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 0.4rem;
}

.meta-item span, .meta-item a {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
  display: block;
}
.meta-item a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  display: inline;
  transition: border-color 0.2s;
}
.meta-item a:hover { border-color: var(--text); }

/* ---- FOOTER ---- */
footer {
  padding: 2.5rem var(--pad);
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dim);
  border-top: 1px solid var(--border);
}

/* ---- REVEAL ---- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.75s ease, transform 0.75s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }
.delay-3 { transition-delay: 0.36s; }

/* ---- RESPONSIVE ---- */
@media (max-width: 860px) {
  nav ul { display: none; }
  .concept-grid, .body-intro, .artist-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .economy-cards, .modes { grid-template-columns: 1fr; }
  .refs-grid { grid-template-columns: 1fr; }
  .organ-row { grid-template-columns: 1.4fr 0.6fr 1fr; }
  .organ-row span:nth-child(3) { display: none; }
  .organ-row.header span:nth-child(3) { display: none; }
}