/* ========================================
   /root — Sistema de estilos
   Orden donde hay caos.
   ======================================== */

/* ---------- Tokens ---------- */
:root {
  /* Colores */
  --carbon: #0f1114;
  --carbon-raised: #1a1d21;
  --carbon-border: #2a2d32;
  --carbon-divider: #3a3d42;
  --cyan: #00e5ff;
  --cyan-muted: rgba(0, 229, 255, 0.12);
  --silver: #e5e7eb;
  --gray: #8a8f98;
  --gray-dim: #6a6f78;

  /* Tipografía */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Ritmo */
  --max-width: 1200px;
  --content-width: 860px;
  --gutter: clamp(1.5rem, 5vw, 4rem);
  --section-pad: clamp(5rem, 12vw, 10rem);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--carbon);
  color: var(--silver);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
img, svg { max-width: 100%; display: block; }
ul { list-style: none; }
em { font-style: italic; font-family: var(--font-display); font-weight: 400; }

/* ---------- Reveal on scroll (progressive enhancement) ---------- */
/* Content is visible by default. JS adds .js-reveal-ready to body, then animation applies. */
.js-reveal-ready .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1),
              transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}
.js-reveal-ready .reveal.visible { opacity: 1; transform: translateY(0); }

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .js-reveal-ready .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--gutter);
  background: rgba(15, 17, 20, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: padding 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  padding: 0.9rem var(--gutter);
  border-bottom-color: var(--carbon-border);
}

.nav-logo {
  display: inline-flex;
  align-items: baseline;
  line-height: 1;
}
.slash {
  font-family: var(--font-mono);
  font-weight: 300;
  color: var(--cyan);
  letter-spacing: -0.02em;
}
.wordmark {
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--silver);
  letter-spacing: -0.04em;
  margin-left: 2px;
}
.nav-logo .slash { font-size: 24px; }
.nav-logo .wordmark { font-size: 26px; }

.nav-links {
  display: flex;
  gap: 2.5rem;
}
.nav-links a {
  font-size: 14px;
  color: var(--gray);
  transition: color 0.25s;
  font-weight: 400;
}
.nav-links a:hover { color: var(--silver); }

.nav-cta {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--silver);
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--carbon-border);
  border-radius: 100px;
  transition: border-color 0.25s, background 0.25s;
}
.nav-cta:hover { border-color: var(--cyan); background: var(--cyan-muted); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 6px;
  z-index: 101;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--silver);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s, transform 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
@media (max-width: 800px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 17, 20, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    z-index: 100;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 22px; color: var(--silver); }
}

/* ---------- CTA button ---------- */
.cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--cyan);
  color: var(--carbon);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 16px;
  padding: 1rem 1.75rem;
  border-radius: 100px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.25s, background 0.25s;
  box-shadow: 0 0 0 0 rgba(0, 229, 255, 0);
}
.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px -15px rgba(0, 229, 255, 0.4);
  background: #33eaff;
}
.cta-primary .cta-arrow {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-block;
}
.cta-primary:hover .cta-arrow { transform: translateX(4px); }
.cta-primary.cta-large {
  font-size: 18px;
  padding: 1.25rem 2.25rem;
}

/* ---------- Section scaffolding ---------- */
section {
  padding: var(--section-pad) var(--gutter);
  position: relative;
}
.section-header {
  max-width: var(--content-width);
  margin: 0 auto 4rem;
}
.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 2rem;
}
.section-title {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--silver);
}
.section-title em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: max(var(--section-pad), 9rem);
  padding-bottom: 4rem;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 30%; right: -5%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.06) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: center;
}

.hero-illustration {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
}

.hero-svg {
  width: 100%;
  max-width: 500px;
  filter: drop-shadow(0 0 40px rgba(0, 229, 255, 0.06));
}

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .hero-illustration {
    display: none;
  }
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 3rem;
  padding: 0.5rem 1rem 0.5rem 0.85rem;
  border: 1px solid var(--carbon-border);
  border-radius: 100px;
  background: rgba(26, 29, 33, 0.4);
}
.eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(3.5rem, 10vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
  color: var(--silver);
  margin-bottom: 2.5rem;
}
.hero-title em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--silver);
  display: inline-block;
  padding: 0 0.05em;
}

.hero-sub {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  line-height: 1.4;
  color: var(--silver);
  max-width: 620px;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}
.hero-body {
  color: var(--gray);
  font-size: 17px;
  line-height: 1.7;
  max-width: 580px;
  margin-bottom: 3rem;
}

.hero-footer {
  max-width: var(--max-width);
  margin: 5rem auto 0;
  display: flex;
  gap: clamp(2rem, 6vw, 4.5rem);
  padding-top: 2rem;
  border-top: 1px solid var(--carbon-border);
  position: relative;
  z-index: 1;
}
.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.meta-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-dim);
}
.meta-value {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 17px;
  color: var(--silver);
}

/* ---------- SÍNTOMAS ---------- */
.sintomas {
  background: var(--carbon);
  border-top: 1px solid var(--carbon-border);
}
.sintomas-list {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}
.sintoma {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 2rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--carbon-border);
  transition: padding-left 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.sintoma:hover { padding-left: 0.75rem; }
.sintoma:last-child { border-bottom: 1px solid var(--carbon-border); }
.sintoma-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 0.4rem;
}
.sintoma-icon {
  width: 20px;
  height: 20px;
  color: var(--cyan);
  opacity: 0.75;
  display: block;
  flex-shrink: 0;
  margin-bottom: 0.5rem;
}

.sintoma-content h3 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--silver);
  margin-bottom: 0.6rem;
}
.sintoma-content p {
  color: var(--gray);
  font-size: 15.5px;
  line-height: 1.6;
}

.sintomas-cierre {
  max-width: var(--content-width);
  margin: 5rem auto 0;
  text-align: center;
  font-family: var(--font-sans);
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  line-height: 1.5;
  color: var(--silver);
  letter-spacing: -0.01em;
}
.sintomas-cierre em {
  display: inline-block;
  margin-top: 0.4rem;
  color: var(--cyan);
  font-style: italic;
}

/* ---------- PROCESO ---------- */
.proceso {
  background: var(--carbon);
  border-top: 1px solid var(--carbon-border);
}
.proceso-intro {
  max-width: var(--content-width);
  margin: 0 auto 5rem;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.35rem, 2.6vw, 1.7rem);
  line-height: 1.5;
  color: var(--silver);
  letter-spacing: -0.01em;
}
.proceso-steps {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.step {
  padding: 2.5rem 2rem 2.5rem 0;
  border-left: 1px solid var(--carbon-border);
  padding-left: 2rem;
  position: relative;
  transition: border-color 0.4s;
}
.step:hover { border-left-color: var(--cyan); }
.step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--cyan);
  display: block;
  margin-bottom: 1.5rem;
}
.step h3 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  color: var(--silver);
  margin-bottom: 1rem;
}
.step p {
  color: var(--gray);
  font-size: 15px;
  line-height: 1.65;
}

.proceso-cierre {
  max-width: 640px;
  margin: 6rem auto 0;
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.35;
  color: var(--silver);
  letter-spacing: -0.015em;
}

@media (max-width: 800px) {
  .proceso-steps { grid-template-columns: 1fr; gap: 0; }
  .step { padding: 2rem 0 2rem 1.5rem; }
}

/* ---------- REGLAS ---------- */
.reglas {
  background: var(--carbon);
  border-top: 1px solid var(--carbon-border);
}
.reglas-intro {
  max-width: var(--content-width);
  margin: -2rem auto 5rem;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
  line-height: 1.5;
  color: var(--silver);
  letter-spacing: -0.01em;
}
.reglas-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.regla {
  background: var(--carbon-raised);
  border: 1px solid var(--carbon-border);
  border-radius: 16px;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: border-color 0.4s, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}
.regla:hover {
  border-color: var(--carbon-divider);
  transform: translateY(-4px);
}
.regla-num {
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--cyan);
}
.regla-titulo {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(1.2rem, 2.3vw, 1.4rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--silver);
}
.regla-body {
  color: var(--gray);
  font-size: 15.5px;
  line-height: 1.7;
}

@media (max-width: 800px) {
  .reglas-grid { grid-template-columns: 1fr; }
  .regla { padding: 2rem; }
}

/* ---------- DÓNDE ---------- */
.donde {
  background: var(--carbon);
  border-top: 1px solid var(--carbon-border);
}
.donde-body {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
.donde-parrafo {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  line-height: 1.75;
  color: var(--silver);
  letter-spacing: -0.005em;
}
.donde-parrafo:first-of-type {
  color: var(--gray);
}
.donde-cierre {
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--carbon-border);
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.4rem, 2.8vw, 1.85rem);
  line-height: 1.4;
  color: var(--silver);
  letter-spacing: -0.015em;
  text-align: center;
}

/* ---------- CASOS ---------- */
.casos {
  background: var(--carbon);
  border-top: 1px solid var(--carbon-border);
}
.casos-intro {
  max-width: var(--content-width);
  margin: -2rem auto 5rem;
  color: var(--gray);
  font-size: 16px;
  line-height: 1.7;
}
.casos-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.caso {
  background: var(--carbon-raised);
  border: 1px solid var(--carbon-border);
  border-radius: 16px;
  padding: 2.5rem;
  transition: border-color 0.4s, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.caso:hover {
  border-color: var(--carbon-divider);
  transform: translateY(-4px);
}
.caso-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--carbon-border);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.caso-tipo { color: var(--silver); }
.caso-region { color: var(--gray-dim); }
.caso-problema {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 1.15rem;
  line-height: 1.4;
  letter-spacing: -0.015em;
  color: var(--silver);
}
.caso-accion {
  color: var(--gray);
  font-size: 15px;
  line-height: 1.65;
}
.caso-resultado {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--carbon-border);
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
}
.resultado-num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.02em;
}
.resultado-desc {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.4;
  color: var(--gray);
}

@media (max-width: 800px) {
  .casos-grid { grid-template-columns: 1fr; }
  .caso { padding: 2rem; }
}

/* ---------- MANIFIESTO ---------- */
.manifiesto {
  background: #08090b;
  border-top: 1px solid var(--carbon-border);
  padding: clamp(6rem, 14vw, 12rem) var(--gutter);
  position: relative;
  overflow: hidden;
}
.manifiesto::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 900px; height: 900px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(0, 229, 255, 0.04) 0%, transparent 60%);
  pointer-events: none;
}
.manifiesto-inner {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  text-align: center;
}
.manifiesto .section-label {
  display: block;
  text-align: center;
  margin-bottom: 4rem;
}
.manifiesto-body {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}
.manifiesto-line {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.35;
  color: var(--silver);
  letter-spacing: -0.015em;
}
.manifiesto-pivot {
  color: var(--cyan);
  padding: 1rem 0;
}
.manifiesto-divider {
  width: 40px;
  height: 1px;
  background: var(--carbon-divider);
  margin: 1.5rem auto;
}
.manifiesto-prosa {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  line-height: 1.6;
  color: var(--silver);
  max-width: 580px;
  margin: 0 auto;
  letter-spacing: -0.005em;
}
.manifiesto-prosa-strong {
  font-weight: 500;
  color: var(--cyan);
  font-size: clamp(1.3rem, 2.6vw, 1.6rem);
  margin-top: 1.5rem;
}
.manifiesto-closing {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  line-height: 1.4;
  color: var(--silver);
  letter-spacing: -0.015em;
}
.manifiesto-signoff {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  line-height: 1;
  color: var(--cyan);
  margin-top: 0.5rem;
  letter-spacing: -0.02em;
}

/* ---------- QUIÉN ---------- */
.quien {
  background: var(--carbon);
  border-top: 1px solid var(--carbon-border);
}
.quien-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.quien-card {
  background: var(--carbon-raised);
  border: 1px solid var(--carbon-border);
  border-radius: 16px;
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  transition: border-color 0.4s, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.quien-card:hover {
  border-color: var(--carbon-divider);
  transform: translateY(-4px);
}
.quien-card-header {
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--carbon-border);
}
.quien-nombre {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.6vw, 1.7rem);
  letter-spacing: -0.025em;
  color: var(--silver);
  margin-bottom: 0.6rem;
}
.quien-rol {
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}
.quien-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.quien-body p {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--silver);
}
.quien-body p:first-child {
  color: var(--gray);
}
.quien-body strong {
  color: var(--silver);
  font-weight: 500;
}
.quien-body em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
}

@media (max-width: 800px) {
  .quien-grid { grid-template-columns: 1fr; }
  .quien-card { padding: 2.5rem 2rem; }
}

/* ---------- CIERRE ---------- */
.cierre {
  background: var(--carbon);
  border-top: 1px solid var(--carbon-border);
  text-align: center;
  padding: clamp(6rem, 14vw, 10rem) var(--gutter);
}
.cierre-inner {
  max-width: 700px;
  margin: 0 auto;
}
.cierre-title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1;
  color: var(--silver);
  margin-bottom: 2rem;
  letter-spacing: -0.03em;
}
.cierre-sub {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  line-height: 1.7;
  color: var(--gray);
  margin-bottom: 3rem;
}
.cierre-micro {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gray-dim);
  text-transform: uppercase;
}

/* ---------- FOOTER ---------- */
.footer {
  background: #08090b;
  border-top: 1px solid var(--carbon-border);
  padding: 4rem var(--gutter) 2rem;
}
.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--carbon-border);
}
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.footer-logo {
  display: inline-flex;
  align-items: baseline;
  line-height: 1;
  margin-bottom: 0.5rem;
}
.footer-logo .slash { font-size: 32px; }
.footer-logo .wordmark { font-size: 34px; }
.footer-tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--silver);
  letter-spacing: -0.01em;
}
.footer-desc {
  color: var(--gray);
  font-size: 14px;
  max-width: 300px;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-dim);
  margin-bottom: 0.5rem;
}
.footer-col a {
  font-size: 15px;
  color: var(--silver);
  transition: color 0.25s;
}
.footer-col a:hover { color: var(--cyan); }
.footer-cobertura {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 0.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--carbon-border);
}
.footer-bottom {
  max-width: var(--max-width);
  margin: 2rem auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray-dim);
  letter-spacing: 0.05em;
}

@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr; gap: 3rem; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }
}

/* ---------- Floating WhatsApp ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 56px; height: 56px;
  background: #25d366;
  color: white;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.35);
  transition: transform 0.3s;
  z-index: 90;
}
.whatsapp-float:hover { transform: scale(1.08); }

@media (max-width: 800px) {
  .whatsapp-float { display: flex; }
}

/* ---------- Small screens adjustments ---------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero-footer { gap: 1.5rem; flex-wrap: wrap; }
  .hero-meta { flex: 1 1 auto; min-width: 120px; }
  .sintoma { grid-template-columns: 40px 1fr; gap: 1rem; padding: 1.75rem 0; }
  .sintoma:hover { padding-left: 0; }
}