/* Tokens */
:root {
  --bg: #FBF7F0;
  --bg-alt: #F3ECDE;
  --surface: #FFFFFF;
  --border: #E5DCC8;
  --text: #332C22;
  --text-dim: #746A58;
  --text-bright: #211B12;
  --accent: #B5542A;
  --accent-dim: rgba(181, 84, 42, 0.1);
  --accent-caution: #7A6B2E;
  --accent-caution-dim: rgba(122, 107, 46, 0.1);

  --display: 'Fraunces', serif;
  --sans: 'Noto Sans', sans-serif;

  /* Tamaño mínimo garantizado de fuente en toda la web */
  --font-min: 16px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: var(--font-min);
  line-height: 1.7;
}

/* Todo párrafo hereda el mismo line-height que su margen, para que
   la selección de dos líneas contiguas de párrafos distintos nunca
   se solape visualmente */
p { line-height: 1.7; }

::selection { background: var(--accent-dim); color: var(--accent); }

a { color: inherit; text-decoration: none; }

/* Reveal en scroll: aparición suave, sin exagerar */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 249, 246, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-family: var(--display);
  font-weight: 600;
  font-size: 20px;
  color: var(--text-bright);
}

.nav-links {
  display: flex;
  gap: 32px;
  font-size: 14.5px;
}

.nav-links a {
  color: var(--text-dim);
  transition: color 0.15s ease;
}

.nav-links a:hover { color: var(--accent); }

.nav-cta {
  font-size: 14.5px;
  font-weight: 600;
  padding: 9px 18px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--accent);
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-cta:hover { background: var(--accent); color: #fff; }

@media (max-width: 760px) {
  .nav-links { display: none; }
}

/* Barra lateral de progreso por secciones */
.side-nav {
  position: fixed;
  right: 26px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 60;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.side-dot {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  border: 1px solid transparent;
  transition: background 0.25s ease, transform 0.25s ease;
}

.side-dot::before {
  /* Área de acierto más grande que el punto visible, para facilitar el clic */
  content: '';
  position: absolute;
  inset: -10px;
}

.side-dot::after {
  content: attr(data-label);
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%) translateX(4px);
  background: var(--text-bright);
  color: var(--bg);
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.side-dot:hover::after,
.side-dot:focus-visible::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.side-dot:hover,
.side-dot:focus-visible {
  transform: scale(1.3);
}

.side-dot:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.side-dot[aria-current="true"] {
  background: var(--accent);
  transform: scale(1.25);
}

@media (max-width: 900px) {
  .side-nav { display: none; }
}

/* Hero */
.hero {
  max-width: 1080px;
  margin: 0 auto;
  padding: 80px 32px 72px;
}

.hero-inner { max-width: 760px; }

.eyebrow {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 22px;
}

.hero h1 {
  font-family: var(--display);
  font-size: 44px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-bright);
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}

.hero-lead {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 58ch;
  margin-bottom: 40px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  font-size: 15px;
  font-weight: 600;
  padding: 14px 26px;
  border-radius: 8px;
  display: inline-block;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover { transform: translateY(-1px); background: #2F4A3D; }

.btn-ghost {
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 640px) {
  .hero h1 { font-size: 32px; }
}

/* Sections */
.section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 68px 32px;
}

.section-alt { background: var(--bg-alt); max-width: none; }
.section-alt > * { max-width: 1080px; margin-left: auto; margin-right: auto; }
.section-alt { padding-left: 0; padding-right: 0; }
.section-alt .section-label,
.section-alt .section-title,
.section-alt .analisis-intro,
.section-alt .analisis-grid {
  padding-left: 32px; padding-right: 32px;
}

.section-label {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 18px;
}

.section-title {
  font-family: var(--display);
  font-size: 32px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

/* About */
.about-grid {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.about-copy { max-width: 68ch; }

.about-copy h2 {
  font-family: var(--display);
  font-size: 27px;
  font-weight: 600;
  color: var(--text-bright);
  line-height: 1.35;
  margin-bottom: 26px;
  letter-spacing: -0.01em;
}

.about-copy p {
  color: var(--text-dim);
  margin-bottom: 22px;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.7;
}

.about-copy p:last-child { margin-bottom: 0; }

/* Abanico de cartas: superpuestas, se abren al pasar el ratón */
.about-cards {
  width: 100%;
  overflow-x: auto;
  overflow-y: visible;
  padding: 24px 4px 40px;
}

.card-fan {
  display: flex;
  justify-content: center;
  min-width: max-content;
  padding: 0 40px;
}

.fact-card {
  all: unset;
  cursor: pointer;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 10px;
  width: 190px;
  height: 250px;
  padding: 22px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 10px 28px -16px rgba(51, 44, 34, 0.28);
  margin-left: -64px;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.35s ease,
              border-color 0.35s ease,
              z-index 0s;
}

.fact-card:first-child { margin-left: 0; }

/* Rotación en abanico por posición, como cartas repartidas sobre una mesa */
.fact-card:nth-child(1) { transform: rotate(-8deg) translateY(12px); z-index: 1; }
.fact-card:nth-child(2) { transform: rotate(-4deg) translateY(4px); z-index: 2; }
.fact-card:nth-child(3) { transform: rotate(0deg) translateY(0); z-index: 3; }
.fact-card:nth-child(4) { transform: rotate(4deg) translateY(4px); z-index: 4; }
.fact-card:nth-child(5) { transform: rotate(8deg) translateY(12px); z-index: 5; }

.fact-card:hover,
.fact-card:focus-visible {
  transform: rotate(0deg) translateY(-18px) scale(1.04);
  z-index: 10;
  border-color: var(--accent);
  box-shadow: 0 20px 40px -16px rgba(181, 84, 42, 0.35);
}

.fact-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Al pasar el ratón por una carta, las demás se apartan a los lados */
.card-fan:has(.fact-card:nth-child(1):hover) .fact-card:not(:nth-child(1)) { transform: rotate(0deg) translateX(28px); }
.card-fan:has(.fact-card:nth-child(2):hover) .fact-card:nth-child(1) { transform: rotate(0deg) translateX(-28px); }
.card-fan:has(.fact-card:nth-child(2):hover) .fact-card:nth-child(n+3) { transform: rotate(0deg) translateX(28px); }
.card-fan:has(.fact-card:nth-child(3):hover) .fact-card:nth-child(-n+2) { transform: rotate(0deg) translateX(-28px); }
.card-fan:has(.fact-card:nth-child(3):hover) .fact-card:nth-child(n+4) { transform: rotate(0deg) translateX(28px); }
.card-fan:has(.fact-card:nth-child(4):hover) .fact-card:nth-child(-n+3) { transform: rotate(0deg) translateX(-28px); }
.card-fan:has(.fact-card:nth-child(4):hover) .fact-card:nth-child(5) { transform: rotate(0deg) translateX(28px); }
.card-fan:has(.fact-card:nth-child(5):hover) .fact-card:not(:nth-child(5)) { transform: rotate(0deg) translateX(-28px); }

.fact-num {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

.fact-text {
  font-size: 14.5px;
  line-height: 1.45;
  color: var(--text);
  text-align: left;
}

@media (max-width: 760px) {
  .card-fan { padding: 0 20px; }
  .fact-card {
    width: 160px;
    height: 220px;
    margin-left: -48px;
  }
}

/* Análisis */
.analisis-intro {
  color: var(--text-dim);
  font-size: 16.5px;
  max-width: 68ch;
  margin-bottom: 48px;
}

.analisis-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.analisis-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 28px 30px;
}

.analisis-item-caution { border-left-color: var(--accent-caution); }

.analisis-item h3 {
  font-family: var(--display);
  font-size: 19px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 14px;
  line-height: 1.35;
}

.analisis-item p {
  color: var(--text-dim);
  font-size: 15.5px;
  line-height: 1.7;
}

@media (max-width: 760px) {
  .analisis-grid { grid-template-columns: 1fr; }
}

/* Stack */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.stack-col h4 {
  font-family: var(--display);
  font-size: 16.5px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.stack-col ul { list-style: none; }

.stack-col li {
  font-size: 15.5px;
  color: var(--text);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.stack-col li:last-child { border-bottom: none; }

@media (max-width: 760px) {
  .stack-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* Contact */
.section-contact {
  text-align: center;
  padding-bottom: 96px;
}

.section-contact .section-label { display: block; }

.section-contact h2 {
  font-family: var(--display);
  font-size: 33px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 18px;
}

.contact-lead {
  color: var(--text-dim);
  font-size: 16.5px;
  max-width: 50ch;
  margin: 0 auto 34px;
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 560px;
  margin: 0 auto;
  text-align: left;
}

.link-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 22px;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.link-card:hover,
.link-card:focus-visible {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px -14px rgba(181, 84, 42, 0.3);
}

.link-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.link-label {
  font-family: var(--display);
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
}

.link-value {
  font-size: 14.5px;
  color: var(--text-dim);
  word-break: break-word;
}

@media (max-width: 560px) {
  .links-grid { grid-template-columns: 1fr; }
}

/* Footer */
.footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-main { display: flex; gap: 10px; }

.footer-sep { opacity: 0.5; }

.footer-ai {
  font-size: 13px;
  color: var(--text-dim);
  opacity: 0.75;
  max-width: 46ch;
}