/* ===== Tokens ===== */
:root {
  --cream: #faf6ef;
  --paper: #ffffff;
  --ink: #201a2b;
  --ink-soft: #55506a;

  --violet: #6c4fd6;
  --violet-soft: #ece5fb;
  --mustard: #e8a33d;
  --mustard-soft: #fbeed9;
  --teal: #2aa9a0;
  --teal-soft: #dff4f2;
  --pink: #e2648a;
  --pink-soft: #fbe4ec;

  --noir-bg: #10111c;
  --noir-bg-2: #171a2c;
  --amber: #f2a93b;
  --amber-soft: #ffd68a;

  --radius: 20px;
  --shadow: 0 10px 30px rgba(32, 26, 43, 0.08);
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 .5em;
}

p { margin: 0 0 1em; }

a { color: inherit; }

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.eyebrow {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 700;
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--violet);
  background: var(--violet-soft);
  padding: .35em .9em;
  border-radius: 999px;
  margin-bottom: 1.1em;
}

section { position: relative; }

/* ===== Progress bar ===== */
#progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 4px;
  width: 0%;
  background: linear-gradient(90deg, var(--violet), var(--mustard), var(--teal));
  z-index: 999;
  transition: width .1s ease-out;
}

/* ===== Nav ===== */
.site-nav {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 500;
  display: flex;
  gap: 4px;
  background: rgba(255,255,255,.75);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(32,26,43,.08);
  border-radius: 999px;
  padding: 6px;
  box-shadow: var(--shadow);
  max-width: 94vw;
  overflow-x: auto;
}
.site-nav a {
  white-space: nowrap;
  text-decoration: none;
  font-size: .8rem;
  font-weight: 600;
  color: var(--ink-soft);
  padding: .5em 1em;
  border-radius: 999px;
  transition: background .2s, color .2s;
}
.site-nav a:hover, .site-nav a.active {
  background: var(--ink);
  color: var(--cream);
}

/* ===== Hero ===== */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(108,79,214,.16), transparent 45%),
    radial-gradient(circle at 85% 15%, rgba(232,163,61,.18), transparent 40%),
    radial-gradient(circle at 50% 90%, rgba(42,169,160,.14), transparent 45%),
    var(--cream);
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-inner { position: relative; z-index: 2; }
.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5rem);
  margin-bottom: .2em;
}
.hero h1 em {
  font-style: italic;
  color: var(--violet);
}
.hero .subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto 2em;
}
.hero .meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 2.5em;
}
.pill {
  font-size: .82rem;
  font-weight: 600;
  padding: .5em 1.1em;
  border-radius: 999px;
  border: 1px solid rgba(32,26,43,.12);
  background: var(--paper);
}
.scroll-cta {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: .5em;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: .85rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.scroll-cta .arrow {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--violet);
  color: white;
  display: flex; align-items: center; justify-content: center;
  animation: bob 2s ease-in-out infinite;
}
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

.headlights {
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: .5;
  pointer-events: none;
}

/* ===== Section headers ===== */
.section-head {
  max-width: 700px;
  margin: 0 auto 3rem;
  text-align: center;
}
.section-head h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); }
.section-head p { color: var(--ink-soft); font-size: 1.05rem; }

.section-pad { padding: 110px 0; }

/* ===== Card grid (datos basicos, semantico) ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.info-card {
  background: var(--paper);
  border-radius: var(--radius);
  padding: 28px 26px;
  box-shadow: var(--shadow);
  border-top: 6px solid var(--violet);
  transition: transform .25s ease, box-shadow .25s ease;
}
.info-card:hover { transform: translateY(-6px); box-shadow: 0 18px 34px rgba(32,26,43,.14); }
.info-card .num {
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--violet);
  margin-bottom: .3em;
}
.info-card h3 { font-size: 1.15rem; margin-bottom: .35em; }
.info-card p { color: var(--ink-soft); font-size: .95rem; margin: 0; }

.info-card.c-mustard { border-top-color: var(--mustard); }
.info-card.c-mustard .num { color: var(--mustard); }
.info-card.c-teal { border-top-color: var(--teal); }
.info-card.c-teal .num { color: var(--teal); }
.info-card.c-pink { border-top-color: var(--pink); }
.info-card.c-pink .num { color: var(--pink); }

/* ===== Accordion (estructural) ===== */
.accordion { display: flex; flex-direction: column; gap: 14px; }
.acc-item {
  background: var(--paper);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
  border-left: 6px solid var(--violet);
}
.acc-item[data-color="mustard"] { border-left-color: var(--mustard); }
.acc-item[data-color="teal"] { border-left-color: var(--teal); }
.acc-item[data-color="pink"] { border-left-color: var(--pink); }

.acc-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 24px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}
.acc-trigger .badge {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--violet-soft);
  color: var(--violet);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif);
  font-weight: 700;
}
.acc-item[data-color="mustard"] .badge { background: var(--mustard-soft); color: var(--mustard); }
.acc-item[data-color="teal"] .badge { background: var(--teal-soft); color: var(--teal); }
.acc-item[data-color="pink"] .badge { background: var(--pink-soft); color: var(--pink); }

.acc-trigger .chev {
  margin-left: auto;
  transition: transform .3s ease;
  color: var(--ink-soft);
}
.acc-item.open .acc-trigger .chev { transform: rotate(180deg); }

.acc-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.acc-panel-inner {
  padding: 0 24px 24px 74px;
  color: var(--ink-soft);
}
.acc-panel-inner ul { margin: 0 0 1em; padding-left: 1.1em; }
.acc-panel-inner li { margin-bottom: .4em; }

.quote {
  margin-top: 14px;
  background: var(--noir-bg);
  color: var(--amber-soft);
  border-radius: 12px;
  padding: 16px 18px;
  font-family: var(--serif);
  font-style: italic;
  font-size: .98rem;
  position: relative;
}
.quote::before {
  content: "\201C";
  font-family: var(--serif);
  color: var(--amber);
  font-size: 1.6rem;
  margin-right: .1em;
}

/* ===== Noir divider band ===== */
.noir-band {
  background: linear-gradient(180deg, var(--noir-bg), var(--noir-bg-2));
  color: #efe9f7;
  padding: 90px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.noir-band .glow {
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242,169,59,.28), transparent 65%);
  top: -150px; left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
}
.noir-band blockquote {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 3vw, 2rem);
  font-style: italic;
  max-width: 760px;
  margin: 0 auto 1em;
  position: relative;
  z-index: 2;
  color: #fff;
}
.noir-band cite {
  color: var(--amber);
  font-style: normal;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  font-size: .8rem;
}

/* ===== Interactive section ===== */
.interactive-section {
  background: var(--violet-soft);
}
.interactive-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 32px;
  align-items: start;
}
@media (max-width: 860px) {
  .interactive-grid { grid-template-columns: 1fr; }
}

.panel {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px;
}
.panel h3 {
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  gap: .5em;
}

/* Quiz */
#quiz-question { font-weight: 700; margin-bottom: 1em; }
.quiz-options { display: flex; flex-direction: column; gap: 10px; margin-bottom: 1.2em; }
.quiz-options button {
  text-align: left;
  padding: 14px 16px;
  border-radius: 12px;
  border: 2px solid rgba(32,26,43,.12);
  background: var(--cream);
  cursor: pointer;
  font-family: var(--sans);
  font-size: .95rem;
  transition: border-color .2s, background .2s;
}
.quiz-options button:hover { border-color: var(--violet); }
.quiz-options button.correct { border-color: var(--teal); background: var(--teal-soft); }
.quiz-options button.incorrect { border-color: var(--pink); background: var(--pink-soft); }
.quiz-options button:disabled { cursor: default; }

.quiz-feedback {
  min-height: 1.4em;
  font-weight: 600;
  margin-bottom: 1em;
}
.quiz-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.quiz-score { font-weight: 700; color: var(--violet); }
.btn {
  border: none;
  background: var(--ink);
  color: var(--cream);
  padding: .7em 1.3em;
  border-radius: 999px;
  font-weight: 700;
  font-size: .88rem;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); background: var(--violet); }
.btn:disabled { opacity: .5; cursor: default; transform: none; }
.quiz-progress-dots { display: flex; gap: 6px; margin-top: 1.4em; }
.quiz-progress-dots span {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(32,26,43,.15);
}
.quiz-progress-dots span.done { background: var(--violet); }

/* Vote poll */
.poll-block + .poll-block { margin-top: 28px; padding-top: 28px; border-top: 1px dashed rgba(32,26,43,.15); }
.poll-block h4 { margin-bottom: .8em; font-size: 1.02rem; }
.poll-options { display: flex; flex-direction: column; gap: 10px; }
.poll-btn {
  position: relative;
  display: block;
  width: 100%;
  text-align: left;
  padding: 12px 16px;
  border-radius: 12px;
  border: 2px solid rgba(32,26,43,.1);
  background: var(--cream);
  cursor: pointer;
  font-family: var(--sans);
  font-size: .92rem;
  overflow: hidden;
  z-index: 0;
}
.poll-btn .fill {
  position: absolute;
  inset: 0;
  width: 0%;
  background: var(--mustard-soft);
  z-index: -1;
  transition: width .5s ease;
}
.poll-btn .label-row { display: flex; justify-content: space-between; gap: 10px; position: relative; }
.poll-btn .pct { font-weight: 700; color: var(--ink-soft); }
.poll-hint { font-size: .78rem; color: var(--ink-soft); margin-top: .6em; }

/* ===== Closing ===== */
.closing {
  background: var(--ink);
  color: var(--cream);
  padding: 90px 0 50px;
  text-align: center;
}
.closing h2 { color: var(--cream); }
.closing .card-grid { margin-top: 2.5em; text-align: left; }
.closing .info-card {
  background: #2a2338;
  box-shadow: none;
}
.closing .info-card p, .closing .info-card h3 { color: var(--cream); }
.closing .info-card .num { color: var(--amber); }
.closing .info-card.c-mustard, .closing .info-card.c-teal, .closing .info-card.c-pink { border-top-color: var(--amber); }
.foot-note {
  margin-top: 3em;
  font-size: .82rem;
  color: rgba(250,246,239,.55);
}
.foot-note a { color: var(--amber); text-decoration: underline; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

@media (max-width: 600px) {
  .section-pad { padding: 70px 0; }
  .acc-panel-inner { padding-left: 24px; }
}