@charset "utf-8";
/* ============================================================
   alexmarquez.dev — hoja de estilos única
   Mobile-first. A partir de 1000px entran las conductas de escritorio.
   ============================================================ */

@import url('fuentes.css');

/* ---------- 1. Tokens ---------- */
:root {
  --ac: #27ADA3;                        /* acento */
  --ac-tenue: rgba(39,173,163,0.16);    /* halo del cursor */
  --tinta: #07070A;                     /* fondo oscuro */
  --crema: #F2EDE6;                     /* texto sobre oscuro / fondo claro */
  --tarjeta: #0E0E12;
  --linea: rgba(242,237,230,0.14);
  --texto-62: rgba(242,237,230,0.62);
  --texto-82: rgba(242,237,230,0.82);
  --texto-66: rgba(242,237,230,0.66);
  --sans: 'Bricolage Grotesque', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --mono: 'DM Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --marco: 16px;                        /* margen lateral */
  --nav: 64px;                          /* alto aproximado de la barra */
}

@media (min-width: 1000px) {
  :root { --marco: clamp(16px, 3.2vw, 44px); --nav: 88px; }
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--tinta);
  color: var(--crema);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, p, figure { margin: 0; }
img { max-width: 100%; }

a { color: var(--crema); text-decoration: none; }
a:hover { color: var(--ac); }
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible { outline: 2px solid var(--ac); outline-offset: 4px; }

[id] { scroll-margin-top: calc(var(--nav) + 8px); }

.mono { font-family: var(--mono); }
.ac { color: var(--ac); }
.tenue { color: rgba(242,237,230,0.55); }
.sep { margin-top: 26px; }
.lleno { width: 100% !important; }

.lbl {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
@media (min-width: 1000px) { .lbl { font-size: 11px; } }

/* Sólo para lectores de pantalla */
.oculto {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}

.wrap { width: 100%; max-width: 1680px; margin: 0 auto; }

/* ---------- 3. Animación ---------- */
.rev {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.16,.84,.28,1);
}
.rev.on { opacity: 1; transform: none; }

.fade { transition: opacity .5s ease, transform .5s cubic-bezier(.16,.84,.28,1); }

.btn { transition: transform .2s cubic-bezier(.2,.8,.2,1), background .25s ease, color .25s ease, border-color .25s ease; }
.btn:active { transform: scale(0.97); }

.noscroll { scrollbar-width: none; -ms-overflow-style: none; }
.noscroll::-webkit-scrollbar { display: none; }

@media (min-width: 1000px) {
  .rev { transform: translateY(30px); transition-duration: .8s; }
  .fade { transition-duration: .55s; }
  .btn:hover { transform: translateY(-3px); }
  .btn:active { transform: translateY(-1px); }

  /* Subrayado que barre, sólo en los enlaces del menú */
  .sw { position: relative; overflow: hidden; }
  .sw::after {
    content: ''; position: absolute; left: 0; bottom: 0;
    height: 1px; width: 100%; background: var(--ac);
    transform: translateX(-101%);
    transition: transform .45s cubic-bezier(.2,.8,.2,1);
  }
  .sw:hover::after { transform: translateX(0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rev { opacity: 1; transform: none; }
  .btn:hover { transform: none; }
}

/* ---------- 4. Botones ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  border: 1px solid transparent;
  cursor: pointer;
}
.pill-lleno { background: var(--ac); color: var(--tinta); }
.pill-lleno:hover { background: var(--crema); color: var(--tinta); }
.pill-linea { color: var(--ac); border-color: var(--ac); background: none; }
.pill-linea:hover { background: var(--ac); color: var(--tinta); }

.pill-s { min-height: 44px; padding: 0 20px; }
.pill-m { min-height: 56px; padding: 0 22px; }
.pill-l { min-height: 58px; padding: 0 26px; }

@media (min-width: 1000px) {
  .pill-m { min-height: 60px; padding: 0 30px; }
  .pill-l { min-height: 64px; padding: 0 34px; font-size: 15px; }
}

/* ---------- 5. Fondo y halo ---------- */
#backdrop {
  position: fixed; inset: 0; z-index: 0;
  background: var(--tinta); pointer-events: none;
}

#halo {
  position: fixed; top: 0; left: 0;
  width: 300px; height: 300px; margin: -150px 0 0 -150px;
  z-index: 70; pointer-events: none; border-radius: 50%;
  opacity: 0;
  background: radial-gradient(circle, var(--ac-tenue) 0%, rgba(39,173,163,0) 70%);
  mix-blend-mode: plus-lighter;
  will-change: transform;
  display: none;
}
@media (min-width: 1000px) and (pointer: fine) { #halo { display: block; } }

.capa { position: relative; z-index: 1; }

/* ---------- 6. Barra de navegación ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  background: rgba(7,7,10,0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(242,237,230,0.10);
}
.nav-in {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 11px var(--marco);
}
.nav-marca { font-size: 13px; font-weight: 500; transition: color .25s ease; }
.nav-marca span { color: var(--ac); transition: color .25s ease; }
/* Explícito, para que no dependa de la regla genérica de los enlaces */
.nav-marca:hover,
.nav-marca:hover span { color: var(--ac); }
.nav-links { display: flex; align-items: center; gap: 16px; }
/* :not(.nav-cta) para no pisar el padding ni el color del botón de acción */
.nav-links a:not(.nav-cta) { color: rgba(242,237,230,0.6); padding: 12px 0; }
.nav-links a:not(.nav-cta):hover { color: var(--ac); }
.nav-cta { display: none; }

.nav-progreso { height: 2px; background: rgba(242,237,230,0.10); }
.nav-progreso > i { display: block; height: 100%; width: 0; background: var(--ac); }

@media (min-width: 1000px) {
  .nav-in { gap: 18px; padding: 14px var(--marco); }
  .nav-links { gap: clamp(12px, 2.2vw, 30px); }
  .nav-links a:not(.nav-cta) { padding: 0 0 4px; }
  .nav-cta {
    display: inline-flex;
    color: var(--tinta);
    padding: 0 26px;
    text-indent: 0.18em;   /* compensa el espacio que el tracking deja tras la última letra */
  }
  .nav-cta:hover { color: var(--tinta); }
}

/* ---------- 7. Portada ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  overflow: hidden;
  padding: 92px 0 0;
}
.hero-foto {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: 82% 28%;
  opacity: 0.75; filter: grayscale(0.06);
  pointer-events: none;
}
.hero-velo {
  position: absolute; inset: 0;
  /* Velo suave: deja ver la foto. El contraste del texto lo asegura
     el degradado propio de .hero-txt, más abajo. */
  background: linear-gradient(180deg, rgba(7,7,10,0.26) 0%, rgba(7,7,10,0.04) 24%, rgba(7,7,10,0.16) 44%, rgba(7,7,10,0.55) 70%, #07070A 100%);
}
.hero-txt {
  position: relative;
  isolation: isolate;            /* para que el ::before quede por encima de la foto */
  display: flex; flex-direction: column; gap: 22px;
  padding: 0 var(--marco) 30px;
}
/* Degradado pegado al texto: garantiza el contraste vengan como vengan
   las luces de la foto, sin tener que oscurecerla entera. */
.hero-txt::before {
  content: '';
  position: absolute; z-index: -1;
  left: 0; right: 0; bottom: 0; top: -64px;
  background: linear-gradient(180deg, rgba(7,7,10,0) 0%, rgba(7,7,10,0.72) 26%, rgba(7,7,10,0.90) 58%);
  pointer-events: none;
}
.hero h1 {
  font-size: clamp(40px, 12.4vw, 62px);
  line-height: 0.9; letter-spacing: -0.04em; font-weight: 800;
  text-wrap: balance;
}
.hero h1 em { font-style: normal; color: var(--ac); }
.hero-sub {
  font-size: 16px; line-height: 1.45;
  color: rgba(242,237,230,0.74); text-wrap: pretty;
}
.hero-sub br { display: none; }
.hero-btns { display: flex; flex-direction: column; gap: 10px; }

@media (min-width: 1000px) {
  .hero { min-height: 100vh; padding: 120px var(--marco) 0; }
  /* En escritorio el degradado radial ya da el fondo al texto: el velo
     del bloque sobra y sólo taparía la pizarra. */
  .hero-txt::before { display: none; }
  .hero-foto { object-position: 60% 45%; opacity: 0.82; }
  .hero-velo {
    background: radial-gradient(120% 90% at 12% 45%, rgba(7,7,10,0.93) 24%, rgba(7,7,10,0.55) 55%, rgba(7,7,10,0) 78%),
                linear-gradient(180deg, rgba(7,7,10,0.28), rgba(7,7,10,0) 40%, rgba(7,7,10,0.78));
  }
  .hero-txt {
    max-width: 1680px; margin: 0 auto; width: 100%;
    gap: clamp(24px, 4vh, 46px);
    padding: 0 0 clamp(28px, 6vh, 70px);
  }
  .hero h1 { font-size: clamp(46px, 8.4vw, 158px); line-height: 0.86; letter-spacing: -0.045em; max-width: 16ch; }
  .hero-sub { max-width: 46ch; font-size: clamp(16px, 1.45vw, 23px); }
  .hero-sub br { display: inline; }
  .hero-btns { flex-direction: row; flex-wrap: wrap; gap: 12px; align-items: center; }
}

/* Marquesina */
.marquesina-caja {
  position: relative;
  border-top: 1px solid rgba(242,237,230,0.12);
  border-bottom: 1px solid rgba(242,237,230,0.12);
  overflow: hidden;
}
.marquesina {
  display: flex; gap: 28px; padding: 12px 0;
  white-space: nowrap; font-size: 12px;
  color: rgba(242,237,230,0.5);
  will-change: transform;
}
.marquesina i { font-style: normal; color: var(--ac); }
@media (min-width: 1000px) {
  .marquesina-caja { margin: 0 calc(-1 * var(--marco)); }
  .marquesina { gap: 40px; padding: 14px 0; font-size: 13px; }
}

/* ---------- 8. Síntomas (sección fijada) ---------- */
.sec-problema { position: relative; height: 380vh; }
.problema-sticky {
  position: sticky; top: 0;
  height: 100svh; overflow: hidden;
  display: grid;
  grid-template-areas: "cab" "lista" "pie";
  grid-template-rows: auto 1fr auto;
  align-content: center;
  gap: 26px;
  padding: 76px var(--marco) 40px;
}
.problema-cab { grid-area: cab; display: flex; flex-direction: column; gap: 12px; }
.problema-fila { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.problema-barra { height: 3px; background: rgba(242,237,230,0.12); border-radius: 2px; overflow: hidden; }
.problema-barra > i { display: block; height: 100%; width: 0; background: var(--ac); }
.problema-lista { grid-area: lista; position: relative; min-height: 300px; }
.problema-pie { grid-area: pie; font-size: 12px; line-height: 1.6; color: rgba(242,237,230,0.45); }
.problema-pie br { display: none; }

.problema {
  position: absolute; inset: 0;
  display: flex; align-items: center;
  opacity: 0; pointer-events: none;
  transform: translateY(26px) scale(0.98);
}
.problema.antes { transform: translateY(-26px) scale(0.98); }
.problema.activo { opacity: 1; pointer-events: auto; transform: none; }
.problema-in { display: flex; flex-direction: column; gap: 14px; }
.problema-n { font-size: 13px; color: var(--ac); flex-shrink: 0; }
.problema-t {
  font-size: clamp(30px, 8.6vw, 44px);
  line-height: 1.02; letter-spacing: -0.035em; font-weight: 700;
  text-wrap: balance;
}

@media (min-width: 1000px) {
  .sec-problema { height: 460vh; }
  .problema-sticky {
    height: 100vh;
    max-width: calc(1680px + 2 * var(--marco)); margin: 0 auto;
    grid-template-columns: clamp(180px, 22vw, 320px) minmax(0, 1fr);
    grid-template-rows: auto auto;
    grid-template-areas: "cab lista" "pie lista";
    gap: 18px clamp(24px, 4vw, 70px);
    padding: 96px var(--marco) 0;
  }
  .problema-cab { gap: 18px; align-self: end; }
  .problema-fila { display: contents; }
  .problema-contador { font-size: clamp(40px, 5.6vw, 92px); line-height: 0.9; letter-spacing: -0.04em; color: var(--crema); }
  .problema-lista { grid-row: 1 / span 2; align-self: center; min-height: clamp(220px, 42vh, 420px); }
  .problema-pie { align-self: start; font-size: 14px; line-height: 1.7; color: rgba(242,237,230,0.5); max-width: 26ch; }
  .problema-pie br { display: inline; }
  .problema { transform: translateY(34px) scale(0.97); }
  .problema.antes { transform: translateY(-34px) scale(0.97); }
  .problema-in { flex-direction: row; align-items: baseline; gap: clamp(14px, 2.2vw, 34px); }
  .problema-n { font-size: clamp(13px, 1.1vw, 16px); }
  .problema-t { font-size: clamp(28px, 5.4vw, 92px); line-height: 0.98; letter-spacing: -0.04em; }
}

/* ---------- 9. Conclusión ---------- */
.conclusion {
  background: var(--ac); color: var(--tinta);
  padding: 76px var(--marco);
}
.conclusion .lbl { opacity: 0.65; }
.conclusion h2 {
  margin-top: 18px;
  font-size: clamp(36px, 10.6vw, 56px);
  line-height: 0.94; letter-spacing: -0.045em; font-weight: 800;
  text-wrap: balance;
}
@media (min-width: 1000px) {
  .conclusion { padding: clamp(70px, 14vh, 200px) var(--marco); }
  .conclusion h2 {
    margin-top: 22px;
    font-size: clamp(34px, 7.6vw, 150px);
    line-height: 0.9; letter-spacing: -0.05em; max-width: 20ch;
  }
}

/* ---------- 10. Cómo trabajo ---------- */
.sec-proceso { padding: 64px var(--marco) 0; }
.proceso-lista { margin-top: 24px; padding-bottom: 22vh; }

.paso {
  --i: 0;
  position: sticky;
  top: calc(76px + var(--i) * 16px);
  z-index: calc(10 + var(--i));
  padding-bottom: 16px;
}
.paso:nth-child(2) { --i: 1; }
.paso:nth-child(3) { --i: 2; }
.paso:nth-child(4) { --i: 3; }
.paso:nth-child(5) { --i: 4; }
.paso:last-child { padding-bottom: 0; }
.paso-card {
  display: flex; flex-direction: column; gap: 12px;
  padding: 24px 20px; border-radius: 6px;
  background: var(--tarjeta);
  border: 1px solid var(--linea);
  color: var(--crema);
  transition: background .35s ease, border-color .35s ease, color .35s ease;
}
.paso-body { display: flex; flex-direction: column; gap: 12px; }
.paso-n { font-size: 28px; line-height: 0.9; color: var(--ac); transition: color .35s ease; }
.paso-card h3 { font-size: 26px; line-height: 1.02; letter-spacing: -0.035em; font-weight: 700; }
.paso-card p {
  font-size: 15px; line-height: 1.55; text-wrap: pretty;
  color: var(--texto-66); transition: color .35s ease;
}
.paso.activo .paso-card { background: var(--ac); border-color: var(--ac); color: var(--tinta); }
.paso.activo .paso-n { color: rgba(7,7,10,0.55); }
.paso.activo .paso-card p { color: rgba(7,7,10,0.72); }

@media (min-width: 1000px) {
  .sec-proceso { padding: clamp(56px, 10vh, 150px) var(--marco) 0; }
  .proceso-lista { margin-top: clamp(24px, 5vh, 56px); padding-bottom: 40vh; }
  .paso { top: calc(110px + var(--i) * 26px); padding-bottom: 26px; }
  .paso-card {
    display: grid;
    grid-template-columns: clamp(90px, 10vw, 160px) minmax(0, 1fr);
    gap: clamp(18px, 3vw, 54px);
    align-items: start;
    padding: clamp(28px, 5vh, 60px) clamp(20px, 3vw, 52px);
  }
  .paso-n { font-size: clamp(32px, 3.6vw, 58px); }
  .paso-body { display: flex; flex-direction: column; gap: 14px; }
  .paso-card h3 { font-size: clamp(24px, 3.2vw, 54px); line-height: 1; letter-spacing: -0.04em; }
  .paso-card p { font-size: clamp(15px, 1.3vw, 20px); line-height: 1.5; max-width: 52ch; }
}

/* ---------- 11. Casos ---------- */
.sec-casos { position: relative; padding: 56px 0 64px; }
.casos-sticky { display: block; }
.casos-cab {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; padding: 0 var(--marco) 18px;
}
.casos-cab .lbl { color: var(--ac); }
.casos-contador { font-size: 13px; color: rgba(242,237,230,0.5); }

.casos-vp { display: contents; }
.casos-pista {
  display: flex; gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 0 var(--marco) 4px;
  align-items: stretch;
}
.caso {
  flex: 0 0 84vw; max-width: 400px;
  scroll-snap-align: center;
  background: var(--tarjeta);
  border: 1px solid var(--linea);
  border-radius: 6px;
  padding: 22px 20px;
}
.caso-in { display: flex; flex-direction: column; gap: 16px; height: 100%; }
.caso-a { display: flex; flex-direction: column; gap: 10px; }
.caso-b { display: flex; flex-direction: column; gap: 16px; flex: 1; min-height: 0; }
.caso-n { font-size: 44px; line-height: 0.85; color: var(--ac); }
.caso h3 { font-size: 28px; line-height: 0.98; letter-spacing: -0.04em; font-weight: 800; text-wrap: balance; }
.caso-titular { font-size: 12px; line-height: 1.5; color: var(--ac); }
.caso-foto { border-radius: 4px; overflow: hidden; }
.caso-foto img {
  width: 100%; height: auto; max-height: 200px;
  object-fit: contain; object-position: left center;
  display: block; opacity: 0.92;
}
.caso-bloque { display: flex; flex-direction: column; gap: 6px; }
.caso-bloque .lbl { color: rgba(242,237,230,0.42); }
.caso-bloque p { font-size: 15px; line-height: 1.55; color: var(--texto-82); text-wrap: pretty; }
.caso-cambio {
  display: flex; flex-direction: column; gap: 8px;
  padding: 18px; border-radius: 4px;
  background: var(--ac); color: var(--tinta);
  margin-top: auto;
}
.caso-cambio .lbl { opacity: 0.7; color: inherit; }
.caso-cambio p {
  font-size: 17px; line-height: 1.3; letter-spacing: -0.02em;
  font-weight: 700; text-wrap: pretty; color: inherit;
}

.casos-puntos { display: flex; gap: 6px; padding: 18px var(--marco) 0; }
.casos-puntos > i {
  height: 2px; flex: 1; border-radius: 2px;
  background: rgba(242,237,230,0.16);
  transition: background .3s ease;
}
.casos-puntos > i.activo { background: var(--ac); }
.casos-pista-aviso {
  padding: 12px var(--marco) 0;
  font-size: 11px; color: rgba(242,237,230,0.4);
}

@media (min-width: 1000px) {
  .sec-casos { height: 500vh; padding: 0; }
  .casos-sticky {
    position: sticky; top: 0;
    height: 100vh; overflow: hidden;
    display: flex; flex-direction: column;
    padding-top: 88px;
  }
  .casos-cab {
    flex-shrink: 0; max-width: 1680px; margin: 0 auto; width: 100%;
    padding: clamp(18px, 4vh, 44px) var(--marco) 0;
    gap: 18px;
  }
  .casos-vp {
    display: flex; flex: 1; min-height: 0;
    align-items: stretch; overflow: hidden;
  }
  .casos-pista {
    flex: 0 0 auto; width: 400%; min-width: 400%;
    gap: 0; padding: 0; overflow: visible;
    scroll-snap-type: none;
    will-change: transform;
    transition: transform .8s cubic-bezier(.16,.84,.28,1);
  }
  .caso {
    flex: 0 0 auto; width: 25%; max-width: none;
    background: none; border: 0; border-radius: 0;
    padding: clamp(14px, 3vh, 34px) var(--marco) clamp(18px, 4vh, 44px);
  }
  .caso-in {
    max-width: 1680px; margin: 0 auto;
    height: 100%; min-height: 0;
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(18px, 3vw, 56px);
  }
  .caso-a { gap: clamp(12px, 2vh, 20px); min-width: 0; min-height: 0; }
  .caso-b { gap: clamp(10px, 1.7vh, 22px); min-width: 0; min-height: 0; overflow-y: auto; }
  .caso-n { font-size: clamp(40px, 5vw, 84px); }
  .caso h3 { font-size: clamp(26px, 3.2vw, 54px); line-height: 0.96; }
  .caso-titular { font-size: 13px; }
  .caso-foto { flex: 1; min-height: 90px; }
  .caso-foto img { height: 100%; max-height: none; object-fit: contain; object-position: left center; }
  .caso-bloque p { font-size: clamp(14px, 1.15vw, 17px); }
  .caso-cambio {
    margin-top: 0;
    gap: clamp(4px, 0.8vh, 8px);
    padding: clamp(13px, 2vh, 24px) clamp(16px, 2vw, 26px);
  }
  .caso-cambio p { font-size: clamp(16px, 1.5vw, 24px); line-height: 1.28; }
  .casos-puntos {
    flex-shrink: 0; max-width: 1680px; margin: 0 auto; width: 100%;
    gap: 8px; padding: 0 var(--marco) clamp(18px, 4vh, 40px);
  }
  .casos-pista-aviso { display: none; }
}

/* Portátiles de pantalla baja: se aprieta un poco para que
   "Qué cambió" entre entero sin tener que rascar el bloque. */
@media (min-width: 1000px) and (max-height: 700px) {
  .caso-bloque p { font-size: 14px; line-height: 1.45; }
  .caso-cambio p { font-size: 16px; }
}

/* ---------- 12. Mantenimiento ---------- */
.sec-mant {
  background: var(--crema); color: var(--tinta);
  padding: 64px var(--marco);
}
.mant {
  display: grid; gap: 22px;
  grid-template-areas: "txt" "img" "par";
}
.mant-txt { grid-area: txt; display: flex; flex-direction: column; gap: 22px; }
.mant-txt .lbl { color: rgba(7,7,10,0.5); }
.mant-txt h2 {
  font-size: clamp(34px, 9.6vw, 50px);
  line-height: 0.94; letter-spacing: -0.04em; font-weight: 800;
  text-wrap: balance;
}
.mant-img { grid-area: img; overflow: hidden; border-radius: 4px; }
.mant-img img { width: 100%; height: 420px; object-fit: cover; display: block; will-change: transform; }
.mant-par {
  grid-area: par;
  font-size: 16px; line-height: 1.45;
  color: rgba(7,7,10,0.7); text-wrap: pretty;
}

@media (min-width: 1000px) {
  .sec-mant { padding: clamp(56px, 10vh, 150px) var(--marco); }
  .mant {
    max-width: 1680px; margin: 0 auto;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    grid-template-areas: "txt img" "par img";
    gap: 26px clamp(28px, 5vw, 90px);
    align-items: center;
  }
  .mant-txt { gap: 26px; align-self: end; }
  .mant-txt h2 { font-size: clamp(32px, 5.4vw, 96px); line-height: 0.92; letter-spacing: -0.045em; }
  .mant-img { grid-row: 1 / span 2; align-self: center; }
  .mant-img img { height: auto; }
  .mant-par { font-size: clamp(16px, 1.6vw, 26px); line-height: 1.42; max-width: 44ch; align-self: start; }
}

/* ---------- 13. Quién soy ---------- */
.sec-quien { padding: 64px var(--marco); }
.quien {
  display: grid; gap: 22px;
  grid-template-areas: "lbl" "img" "tit" "txt";
}
.quien-lbl { grid-area: lbl; color: rgba(242,237,230,0.55); }
.quien-img { grid-area: img; overflow: hidden; border-radius: 4px; }
.quien-img img { width: 100%; height: 500px; object-fit: cover; object-position: 50% 30%; display: block; }
.quien h2 {
  grid-area: tit;
  font-size: clamp(38px, 11vw, 56px);
  line-height: 0.9; letter-spacing: -0.045em; font-weight: 800;
}
.quien-txt { grid-area: txt; display: flex; flex-direction: column; gap: 22px; }
.quien-txt .destacado { font-size: 20px; line-height: 1.32; letter-spacing: -0.015em; text-wrap: pretty; }
.quien-txt .destacado em { font-style: normal; color: var(--ac); }
.quien-txt p:not(.destacado) { font-size: 15px; line-height: 1.6; color: var(--texto-66); text-wrap: pretty; }

@media (min-width: 1000px) {
  .sec-quien { padding: clamp(56px, 10vh, 150px) var(--marco); }
  .quien {
    max-width: 1680px; margin: 0 auto;
    grid-template-columns: clamp(200px, 28vw, 420px) minmax(0, 1fr);
    grid-template-areas: "img lbl" "img tit" "img txt";
    grid-template-rows: auto auto 1fr;
    gap: 24px clamp(26px, 4.5vw, 84px);
    align-items: start;
  }
  .quien-img { grid-row: 1 / span 3; }
  .quien-img img { height: auto; }
  .quien h2 { font-size: clamp(36px, 6vw, 108px); line-height: 0.88; letter-spacing: -0.05em; }
  .quien-txt { gap: 16px; max-width: 52ch; }
  .quien-txt .destacado { font-size: clamp(18px, 1.9vw, 30px); letter-spacing: -0.02em; }
  .quien-txt p:not(.destacado) { font-size: clamp(15px, 1.3vw, 19px); }
}

/* ---------- 14. Cierre / contacto ---------- */
.sec-cierre {
  position: relative; overflow: hidden;
  min-height: 108svh;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 240px var(--marco) 110px;
}
.cierre-foto {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: 71% 50%;
  opacity: 0.95; will-change: transform;
  /* La foto es panorámica: al llenar una caja vertical se ampliaba tanto que
     sólo cabía la cara, y el titular caía encima. Ocupando sólo la franja de
     arriba se ve mucha más foto y la cara queda por encima del texto. */
  height: 60%; bottom: auto;
}
.cierre-velo {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,7,10,0.24) 0%, rgba(7,7,10,0.02) 22%, rgba(7,7,10,0.30) 44%, rgba(7,7,10,0.94) 59%, #07070A 68%);
}
.cierre-txt { position: relative; display: flex; flex-direction: column; gap: 24px; }
.cierre-txt h2 {
  font-size: clamp(38px, 11.6vw, 58px);
  line-height: 0.9; letter-spacing: -0.045em; font-weight: 800;
  text-wrap: balance;
}
.cierre-txt h2 em { font-style: normal; color: var(--ac); }
.cierre-sub { font-size: 17px; line-height: 1.42; color: rgba(242,237,230,0.78); }
.cierre-btns { display: flex; flex-direction: column; gap: 10px; }

@media (min-width: 1000px) {
  .sec-cierre {
    min-height: 0; justify-content: flex-start;
    padding: clamp(80px, 16vh, 220px) var(--marco);
  }
  .cierre-foto { object-position: center; opacity: 0.96; height: 100%; bottom: 0; }
  .cierre-velo { background: linear-gradient(180deg, rgba(7,7,10,0.28), rgba(7,7,10,0) 55%, rgba(7,7,10,0.60)); }
  .cierre-txt { max-width: 1680px; margin: 0 auto; width: 100%; align-items: flex-start; gap: 32px; }
  .cierre-txt h2 { font-size: clamp(36px, 8vw, 156px); line-height: 0.86; letter-spacing: -0.05em; max-width: 15ch; }
  .cierre-sub { font-size: clamp(17px, 1.7vw, 27px); line-height: 1.4; max-width: 32ch; }
  .cierre-btns { flex-direction: row; flex-wrap: wrap; gap: 12px; align-items: center; }
}

/* ---------- 15. Pie ---------- */
.pie {
  border-top: 1px solid rgba(242,237,230,0.12);
  padding: 22px var(--marco) 96px;
}
.pie-in {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 12px; color: rgba(242,237,230,0.45);
}
.pie-in a { color: inherit; }
.pie-in a:hover { color: var(--ac); }
@media (min-width: 1000px) {
  .pie { padding: 24px var(--marco); }
  .pie-in {
    max-width: 1680px; margin: 0 auto;
    flex-direction: row; flex-wrap: wrap; gap: 12px;
    justify-content: space-between;
  }
}

/* ---------- 16. Barra fija de móvil ---------- */
.barra-movil {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 55;
  background: rgba(7,7,10,0.9);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-top: 1px solid rgba(242,237,230,0.12);
  transition: transform .4s cubic-bezier(.16,.84,.28,1), opacity .3s ease;
  opacity: 0; transform: translateY(110%); pointer-events: none;
}
.barra-movil.visible { opacity: 1; transform: none; pointer-events: auto; }
.barra-movil-in {
  display: flex; gap: 8px;
  padding: 10px var(--marco) calc(10px + env(safe-area-inset-bottom));
}
.barra-movil .pill { min-height: 48px; }
.barra-movil .pill-lleno { flex: 1; }
.barra-movil .pill-wa {
  flex: 0 0 auto; padding: 0 20px;
  color: var(--crema); border-color: rgba(242,237,230,0.3); background: none;
}
.barra-movil .pill-wa:hover { background: var(--crema); color: var(--tinta); }
@media (min-width: 1000px) { .barra-movil { display: none; } }

/* ============================================================
   17. Páginas internas (contacto, gracias, legal)
   ============================================================ */
.pagina { padding: calc(var(--nav) + 40px) var(--marco) 80px; }
.pagina-in { width: 100%; max-width: 760px; margin: 0 auto; }
.pagina h1 {
  font-size: clamp(38px, 10vw, 72px);
  line-height: 0.92; letter-spacing: -0.045em; font-weight: 800;
  text-wrap: balance;
  margin-top: 18px;
}
.pagina h1 em { font-style: normal; color: var(--ac); }
.pagina-sub {
  margin-top: 20px;
  font-size: 17px; line-height: 1.5;
  color: var(--texto-66); text-wrap: pretty; max-width: 52ch;
}
.pagina-volver { color: rgba(242,237,230,0.55); font-size: 12px; }
.pagina-volver:hover { color: var(--ac); }

@media (min-width: 1000px) {
  .pagina { padding: calc(var(--nav) + 70px) var(--marco) 110px; }
  .pagina h1 { font-size: clamp(48px, 6vw, 92px); }
  .pagina-sub { font-size: clamp(17px, 1.4vw, 21px); }
}

/* ---------- 18. Formulario ---------- */
.form { margin-top: 44px; display: flex; flex-direction: column; gap: 36px; }

.campo { display: flex; flex-direction: column; gap: 12px; }
.campo > legend, .campo > label { padding: 0; }
.campo-tit {
  font-size: 17px; line-height: 1.35; font-weight: 600;
  letter-spacing: -0.01em; color: var(--crema);
}
.campo-tit .req { color: var(--ac); margin-left: 2px; }
.campo-ayuda { font-size: 13px; line-height: 1.5; color: rgba(242,237,230,0.5); }

fieldset.campo { border: 0; margin: 0; padding: 0; min-width: 0; }

.entrada {
  width: 100%;
  min-height: 54px;
  padding: 14px 16px;
  background: var(--tarjeta);
  border: 1px solid var(--linea);
  border-radius: 6px;
  color: var(--crema);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.4;
  transition: border-color .2s ease, background .2s ease;
  -webkit-appearance: none;
  appearance: none;
}
.entrada::placeholder { color: rgba(242,237,230,0.32); }
.entrada:hover { border-color: rgba(242,237,230,0.28); }
.entrada:focus { border-color: var(--ac); outline: none; background: #12121a; }
textarea.entrada { min-height: 160px; resize: vertical; }

.opciones { display: flex; flex-direction: column; gap: 8px; }
.opciones.dos { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; }

.opcion {
  position: relative;
  display: flex; align-items: center; gap: 12px;
  min-height: 52px;
  padding: 12px 16px;
  background: var(--tarjeta);
  border: 1px solid var(--linea);
  border-radius: 6px;
  font-size: 15px; line-height: 1.35;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease, color .2s ease;
}
.opcion:hover { border-color: rgba(39,173,163,0.55); }
.opcion input { position: absolute; opacity: 0; width: 0; height: 0; }
.opcion .marca {
  flex: 0 0 auto;
  width: 18px; height: 18px;
  border: 1px solid rgba(242,237,230,0.35);
  border-radius: 50%;
  position: relative;
  transition: border-color .2s ease;
}
.opcion .marca::after {
  content: '';
  position: absolute; inset: 3px;
  border-radius: 50%;
  background: var(--ac);
  transform: scale(0);
  transition: transform .18s cubic-bezier(.2,.8,.2,1);
}
.opcion input:checked ~ .marca { border-color: var(--ac); }
.opcion input:checked ~ .marca::after { transform: scale(1); }
.opcion:has(input:checked) { border-color: var(--ac); background: rgba(39,173,163,0.08); }
.opcion input:focus-visible ~ .marca { outline: 2px solid var(--ac); outline-offset: 3px; }

.consentimiento {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 13px; line-height: 1.55; color: rgba(242,237,230,0.6);
  cursor: pointer;
}
.consentimiento a { color: var(--ac); text-decoration: underline; text-underline-offset: 3px; }
.consentimiento input { position: absolute; opacity: 0; width: 0; height: 0; }
.consentimiento .marca {
  flex: 0 0 auto; margin-top: 2px;
  width: 18px; height: 18px;
  border: 1px solid rgba(242,237,230,0.35);
  border-radius: 4px; position: relative;
  transition: border-color .2s ease, background .2s ease;
}
.consentimiento .marca::after {
  content: '';
  position: absolute; left: 5px; top: 1px;
  width: 5px; height: 10px;
  border: solid var(--tinta);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform .18s cubic-bezier(.2,.8,.2,1);
}
.consentimiento input:checked ~ .marca { background: var(--ac); border-color: var(--ac); }
.consentimiento input:checked ~ .marca::after { transform: rotate(45deg) scale(1); }
.consentimiento input:focus-visible ~ .marca { outline: 2px solid var(--ac); outline-offset: 3px; }

.form-pie { display: flex; flex-direction: column; gap: 18px; }
.form-enviar { align-self: flex-start; min-height: 60px; padding: 0 34px; font-size: 15px; }
.form-enviar[disabled] { opacity: .55; cursor: progress; }

.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.error-campo {
  font-size: 13px; line-height: 1.45;
  color: #FF7A66;
}
.campo.malo .entrada,
.campo.malo .opcion { border-color: #FF7A66; }

.aviso {
  padding: 16px 18px;
  border-radius: 6px;
  border: 1px solid;
  font-size: 15px; line-height: 1.5;
}
.aviso-error { border-color: rgba(255,122,102,0.5); background: rgba(255,122,102,0.08); color: #FFC7BD; }
.aviso-ok { border-color: rgba(39,173,163,0.5); background: rgba(39,173,163,0.10); color: var(--crema); }
.aviso[hidden] { display: none; }

@media (min-width: 1000px) {
  .form { margin-top: 56px; gap: 44px; }
  .campo-tit { font-size: 19px; }
  .opciones.dos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- 19. Página de gracias ---------- */
.gracias-marca {
  display: inline-flex; align-items: center; justify-content: center;
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--ac); color: var(--tinta);
  font-size: 30px; line-height: 1;
}
.gracias-lista {
  margin-top: 40px; padding: 0; list-style: none;
  display: flex; flex-direction: column; gap: 14px;
  font-size: 15px; line-height: 1.55; color: var(--texto-66);
}
.gracias-lista li { display: flex; gap: 12px; }
.gracias-lista li::before { content: '—'; color: var(--ac); flex: 0 0 auto; }
.gracias-btns { margin-top: 44px; display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- 20. Texto legal ---------- */
.legal { margin-top: 40px; display: flex; flex-direction: column; gap: 30px; }
.legal h2 {
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.1; letter-spacing: -0.03em; font-weight: 700;
  margin-bottom: 12px;
}
.legal p, .legal li { font-size: 15px; line-height: 1.65; color: var(--texto-66); text-wrap: pretty; }
.legal p + p { margin-top: 12px; }
.legal ul { margin: 12px 0 0; padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.legal a { color: var(--ac); text-decoration: underline; text-underline-offset: 3px; }
.legal strong { color: var(--crema); font-weight: 600; }