/* ===================================================================
   Construir Instante — Nuria Vadell
   Tema oscuro · editorial · minimalista
   =================================================================== */

:root {
  /* Color */
  --bg:        #0E0E10;   /* fondo principal (grafito casi negro, no #000) */
  --bg-2:      #141416;   /* alterno sutil */
  --ink:       #ECE7DE;   /* texto principal (blanco cálido) */
  --ink-soft:  #968F84;   /* secundario */
  --accent:    #D98A4E;   /* ocre cálido */
  --accent-2:  #E7B98D;   /* highlight */
  --line:      rgba(236, 231, 222, .14);
  --line-soft: rgba(236, 231, 222, .08);

  /* Tipografía */
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --body:    "DM Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  /* Ritmo */
  --gutter: clamp(1.25rem, 5vw, 6rem);
  --section-y: clamp(5rem, 12vw, 11rem);
  --maxw: 1280px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-weight: 300;
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.1rem);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, picture, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--display); font-weight: 300; line-height: 1.06; margin: 0; }
::selection { background: var(--accent); color: var(--bg); }

/* ---------- Comunes ---------- */
.kicker {
  font-family: var(--body);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1.4rem;
  font-weight: 400;
}

.section-title {
  font-size: clamp(1.9rem, 1.3rem + 2.6vw, 3.2rem);
  letter-spacing: -0.015em;
  margin-bottom: 1.6rem;
  max-width: 20ch;
}
.section-title em { font-style: italic; color: var(--accent-2); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-family: var(--body); font-weight: 400;
  letter-spacing: 0.03em; font-size: 0.95rem;
  padding: 0.9em 1.9em; border-radius: 999px;
  border: 1px solid var(--line); cursor: pointer;
  transition: transform .25s ease, background-color .25s ease, color .25s ease, border-color .25s ease;
}
.btn svg { width: 1.15em; height: 1.15em; }
.btn--solid { background: var(--accent); color: #1A1208; border-color: var(--accent); }
.btn--solid:hover { background: var(--accent-2); border-color: var(--accent-2); transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); transform: translateY(-2px); }

/* Botón redondo solo-ícono (Instagram) */
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.6rem; height: 2.6rem; border-radius: 999px;
  border: 1px solid var(--line); color: var(--ink);
  transition: background-color .25s, color .25s, border-color .25s, transform .25s;
}
.icon-btn svg { width: 1.2rem; height: 1.2rem; }
.icon-btn:hover { background: var(--accent); color: #1A1208; border-color: var(--accent); transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: absolute; inset: 0 0 auto 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(1.1rem, 3vw, 2rem) var(--gutter);
}
.brand { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name { font-family: var(--display); font-size: 1.25rem; letter-spacing: 0.01em; }
.brand__by { font-size: 0.68rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-soft); }

.nav { display: none; gap: clamp(1.4rem, 2.5vw, 2.6rem); align-items: center; font-size: 0.88rem; letter-spacing: 0.04em; }
.nav a.nav__link { color: var(--ink-soft); transition: color .2s; }
.nav a.nav__link:hover { color: var(--ink); }
@media (min-width: 800px) { .nav { display: flex; } }

/* ---------- Actividades destacadas ---------- */
.activity-showcase {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background: #0a0a0b;
}
.activity-slider { position: relative; min-height: 100svh; }
.activity-slide {
  position: absolute;
  inset: 0;
  isolation: isolate;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(19rem, .72fr);
  gap: clamp(2rem, 6vw, 6.5rem);
  align-items: center;
  padding: clamp(7.5rem, 11vw, 9rem) var(--gutter) clamp(7rem, 11vw, 8.5rem);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(1.5rem);
  transition: opacity .65s ease, transform .65s ease, visibility .65s;
}
.activity-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 78% 22%, rgba(217, 138, 78, .13), transparent 28rem),
    linear-gradient(135deg, #101011 0%, var(--bg) 62%, #080809 100%);
}
.activity-slide--club::before {
  background:
    radial-gradient(circle at 80% 20%, rgba(124, 13, 24, .3), transparent 31rem),
    linear-gradient(135deg, #120d0e 0%, #0e0e10 64%, #070707 100%);
}
.activity-slide.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: none;
}
.activity-slide__content { max-width: 55rem; }
.activity-slide__title {
  max-width: 11ch;
  margin-bottom: 1.5rem;
  font-size: clamp(3rem, 1.3rem + 7vw, 7rem);
  letter-spacing: -.025em;
  text-wrap: balance;
}
.activity-slide--club .activity-slide__title { max-width: 9ch; }
.activity-slide--club .kicker { color: #55c9bf; }
.activity-slide__lead {
  max-width: 39rem;
  margin: 0 0 1rem;
  color: rgba(236, 231, 222, .9);
  font-size: clamp(1.06rem, .98rem + .4vw, 1.3rem);
}
.activity-slide__summary {
  max-width: 42rem;
  margin: 0 0 2rem;
  color: var(--ink-soft);
  font-size: .96rem;
}
.activity-slide__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  align-items: center;
}
.activity-slide__visual {
  justify-self: end;
  width: min(100%, 30rem);
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-2);
}
.activity-slide__visual img {
  width: 100%;
  max-height: calc(100svh - 10rem);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  filter: saturate(.96) contrast(1.02);
}
.activity-slide__visual--club img { object-position: center top; }
.activity-slider__controls {
  position: absolute;
  z-index: 4;
  left: var(--gutter);
  bottom: clamp(1.6rem, 4vw, 3rem);
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
}
.activity-slider__dot {
  min-height: 2.65rem;
  padding: .65rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(14, 14, 16, .72);
  color: var(--ink-soft);
  font: 400 .78rem/1 var(--body);
  letter-spacing: .05em;
  cursor: pointer;
  transition: color .25s ease, border-color .25s ease, background-color .25s ease;
}
.activity-slider__dot:hover,
.activity-slider__dot:focus-visible { color: var(--ink); border-color: rgba(236, 231, 222, .42); }
.activity-slider__dot.is-active { color: #1a1208; border-color: var(--accent); background: var(--accent); }
.activity-slider__pause { color: var(--ink); }
.btn:focus-visible,
.icon-btn:focus-visible,
.activity-slider__dot:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }

/* ---------- Detalle de actividades ---------- */
.activity-details { background: #111113; }
.activity-detail {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--section-y) var(--gutter);
  scroll-margin-top: 2rem;
}
.activity-detail + .activity-detail { border-top: 1px solid var(--line); }
.activity-detail__head { max-width: 55rem; margin-bottom: clamp(2.8rem, 6vw, 5rem); }
.activity-detail__head .section-title { max-width: 16ch; }
.activity-detail__head > p:last-child {
  max-width: 48rem;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.02rem, .96rem + .35vw, 1.22rem);
}
.activity-detail__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.4rem, 4vw, 4rem);
  margin-bottom: clamp(3.5rem, 7vw, 6rem);
}
.activity-detail__facts--club { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.5rem; }
.activity-fact { padding-top: 1rem; border-top: 1px solid var(--line); }
.activity-fact__label {
  display: block;
  margin-bottom: .7rem;
  color: var(--accent);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.activity-detail--club .activity-fact__label { color: #55c9bf; }
.activity-fact > strong {
  display: block;
  font-family: var(--display);
  font-size: clamp(1.2rem, 1rem + .6vw, 1.6rem);
  font-weight: 300;
  line-height: 1.25;
}
.activity-fact > p { margin: .55rem 0 0; color: var(--ink-soft); font-size: .88rem; line-height: 1.55; }
.activity-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.activity-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.activity-list strong {
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 300;
}
.activity-list span { color: var(--ink-soft); text-align: right; }
.activity-list--prices strong { color: var(--accent-2); }
.activity-detail__body {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(17rem, .65fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: start;
}
.activity-detail__body h3,
.club-week h3 {
  margin-bottom: 1rem;
  font-size: clamp(1.45rem, 1.15rem + 1vw, 2rem);
}
.activity-detail__body p { max-width: 57ch; color: var(--ink-soft); }
.activity-detail__aside { padding-left: clamp(1.4rem, 3vw, 2.5rem); border-left: 1px solid var(--line); }
.activity-detail__aside p:first-child { margin-top: 0; }
.activity-detail__limited { color: var(--accent-2) !important; font-weight: 400; }
.activity-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .7rem 1.8rem;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--ink-soft);
}
.activity-points li { position: relative; padding-left: 1rem; }
.activity-points li::before {
  content: "";
  position: absolute;
  top: .7em;
  left: 0;
  width: .38rem;
  height: .38rem;
  border-radius: 50%;
  background: var(--accent);
}
.club-weeks {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
  margin-bottom: clamp(3.5rem, 7vw, 6rem);
}
.club-week { padding-top: 1.2rem; border-top: 1px solid var(--line); }
.club-week__number {
  display: block;
  margin-bottom: 2rem;
  color: #55c9bf;
  font: 400 .72rem/1 var(--body);
  letter-spacing: .16em;
}
.club-week p { margin: 0; color: var(--ink-soft); font-size: .92rem; line-height: 1.62; }

@media (max-width: 980px) {
  .activity-showcase,
  .activity-slider { min-height: 0; }
  .activity-slider { display: grid; }
  .activity-slide {
    grid-area: 1 / 1;
    position: relative;
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 8rem;
  }
  .activity-slide:not(.is-active) { position: absolute; }
  .activity-slide__visual { justify-self: start; width: min(100%, 28rem); }
  .activity-slide__visual img { max-height: none; }
  .activity-slider__controls { position: absolute; }
  .activity-detail__facts--club,
  .club-weeks { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .activity-slide { gap: 2.6rem; padding-bottom: 8.5rem; }
  .activity-slide__title { max-width: 12ch; font-size: clamp(2.65rem, 12vw, 4.4rem); }
  .activity-slide__actions { align-items: stretch; }
  .activity-slide__actions .btn { justify-content: center; width: 100%; }
  .activity-slider__controls { right: var(--gutter); }
  .activity-slider__dot { flex: 1 1 auto; }
  .activity-detail__facts,
  .activity-detail__facts--club,
  .activity-detail__body,
  .activity-points,
  .club-weeks { grid-template-columns: 1fr; }
  .activity-list li { display: block; }
  .activity-list span { display: block; margin-top: .15rem; text-align: left; }
  .activity-detail__aside { padding: 1.5rem 0 0; border-top: 1px solid var(--line); border-left: 0; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: flex-end;
  padding: var(--gutter); padding-bottom: clamp(3.5rem, 9vw, 7rem);
  overflow: hidden;
}
.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 28%; filter: saturate(.92) contrast(1.02); }
.hero__scrim {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(to top, var(--bg) 2%, rgba(14,14,16,.55) 38%, rgba(14,14,16,.25) 100%),
    linear-gradient(to right, rgba(14,14,16,.6), rgba(14,14,16,0) 65%);
}
.hero__content { max-width: 42rem; }
.hero__title {
  font-size: clamp(3.2rem, 1.2rem + 13vw, 8.5rem);
  line-height: 0.92; letter-spacing: -0.025em; margin-bottom: 1.5rem; text-wrap: balance;
}
.hero__title em { font-style: italic; font-weight: 300; color: var(--accent-2); }
.hero__lead { font-size: clamp(1.02rem, 0.95rem + 0.5vw, 1.25rem); max-width: 34rem; margin: 0 0 2.2rem; color: rgba(236,231,222,.86); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; align-items: center; }

/* ---------- Sobre mí ---------- */
.sobre {
  display: grid; gap: clamp(2rem, 5vw, 5rem); align-items: center;
  max-width: var(--maxw); margin: 0 auto; padding: var(--section-y) var(--gutter);
}
.sobre__media img { width: 100%; aspect-ratio: 4/5; object-fit: cover; filter: saturate(.95); }
.sobre__text p { color: var(--ink-soft); margin: 0 0 1.2rem; max-width: 44ch; }
.lineas { list-style: none; margin: 2.2rem 0 0; padding: 0; }
.lineas li {
  padding: 0.85rem 0; border-top: 1px solid var(--line-soft);
  font-family: var(--display); font-size: 1.12rem; font-weight: 300; color: var(--ink);
}
.lineas li:last-child { border-bottom: 1px solid var(--line-soft); }
@media (min-width: 880px) { .sobre { grid-template-columns: 0.8fr 1fr; } }

/* ---------- Bloque de sección con encabezado ---------- */
.block { padding: var(--section-y) var(--gutter); }
.block--alt { background: var(--bg-2); }
.block__head { max-width: var(--maxw); margin: 0 auto 3rem; }
.block__intro { color: var(--ink-soft); max-width: 54ch; }

/* ---------- Índice de propuestas ---------- */
.index { list-style: none; margin: 0 auto; padding: 0; max-width: var(--maxw); }
.index__row {
  display: grid; grid-template-columns: auto 1fr;
  grid-template-areas: "num body" "link link";
  gap: 0.3rem 1.4rem; padding: 2rem 0; border-top: 1px solid var(--line-soft);
  transition: padding-left .35s ease;
}
.index__row:last-child { border-bottom: 1px solid var(--line-soft); }
.index__num { grid-area: num; font-family: var(--display); font-size: 0.9rem; color: var(--accent); padding-top: 0.55rem; }
.index__body { grid-area: body; }
.index__title { font-size: clamp(1.5rem, 1.1rem + 1.8vw, 2.3rem); margin-bottom: 0.55rem; }
.index__desc { color: var(--ink-soft); margin: 0; max-width: 62ch; font-size: 0.96rem; }
.index__link { grid-area: link; justify-self: start; margin-top: 0.7rem; font-size: 0.85rem; letter-spacing: 0.06em; color: var(--accent); transition: color .2s, transform .2s; }
.index__link:hover { color: var(--accent-2); transform: translateX(4px); }
@media (min-width: 800px) {
  .index__row { grid-template-columns: 4rem 1fr auto; grid-template-areas: "num body link"; align-items: baseline; gap: 0 2rem; }
  .index__link { align-self: center; margin-top: 0; }
  .index__row:hover { padding-left: 0.8rem; }
}

.tambien { max-width: var(--maxw); margin: 2.8rem auto 0; color: var(--ink-soft); letter-spacing: 0.02em; }
.tambien strong { font-family: var(--display); font-weight: 300; color: var(--ink); font-size: 1.08rem; }

/* ---------- Carrusel ---------- */
.carousel { position: relative; }
.carousel__track {
  display: flex; gap: clamp(0.6rem, 1.5vw, 1rem);
  overflow-x: auto; scroll-snap-type: x mandatory;
  scroll-behavior: smooth; -webkit-overflow-scrolling: touch;
  padding-bottom: 0.5rem; scrollbar-width: none;
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__slide {
  flex: 0 0 86%; scroll-snap-align: center; margin: 0;
}
.carousel__slide img {
  width: 100%; aspect-ratio: 3/2; object-fit: cover;
  background: var(--bg-2); filter: saturate(.95);
}
.carousel__cap { margin-top: 0.7rem; font-size: 0.82rem; color: var(--ink-soft); font-style: italic; }
@media (min-width: 600px)  { .carousel__slide { flex-basis: 52%; } }
@media (min-width: 1000px) { .carousel__slide { flex-basis: 38%; } }

.carousel__nav { display: flex; gap: 0.6rem; justify-content: flex-end; margin-top: 1.2rem; max-width: var(--maxw); }
.carousel__btn {
  width: 3rem; height: 3rem; border-radius: 999px;
  border: 1px solid var(--line); background: transparent; color: var(--ink);
  font-size: 1.1rem; cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
  transition: background-color .2s, color .2s, border-color .2s;
}
.carousel__btn:hover { background: var(--accent); color: #1A1208; border-color: var(--accent); }
.carousel__btn:disabled { opacity: .3; cursor: default; }
.carousel__btn:disabled:hover { background: transparent; color: var(--ink); border-color: var(--line); }

/* el carrusel rompe el ancho máximo para sangrar a la derecha */
.bleed { max-width: var(--maxw); margin: 0 auto; }

/* ---------- Obra ---------- */
.obra__text { max-width: var(--maxw); margin: 0 auto 3rem; }
.obra__text .lead-cols { display: grid; gap: 1.2rem; }
.obra__text p { color: var(--ink-soft); margin: 0; max-width: 52ch; }
.obra__text em { font-style: italic; color: var(--ink); }
@media (min-width: 800px) { .obra__text .lead-cols { grid-template-columns: 1fr 1fr; } }

/* ---------- Contacto ---------- */
.contacto { padding: clamp(5.5rem, 13vw, 12rem) var(--gutter); text-align: center; border-top: 1px solid var(--line-soft); }
.contacto__inner { max-width: 46rem; margin: 0 auto; }
.contacto__title { font-size: clamp(2rem, 1.3rem + 3.4vw, 3.8rem); letter-spacing: -0.015em; margin-bottom: 1.5rem; text-wrap: balance; }
.contacto__lead { color: var(--ink-soft); max-width: 42ch; margin: 0 auto 2.6rem; }
.contacto__actions { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: center; }

/* ---------- Footer ---------- */
.site-footer {
  display: flex; flex-wrap: wrap; gap: 1.4rem; align-items: center; justify-content: space-between;
  padding: 2.6rem var(--gutter); border-top: 1px solid var(--line-soft);
}
.site-footer__brand { display: flex; flex-direction: column; line-height: 1.2; }
.site-footer__right { display: flex; align-items: center; gap: 1.2rem; }
.site-footer__credit { margin: 0; font-size: 0.82rem; color: var(--ink-soft); }
.site-footer__credit a { color: var(--accent); }

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s ease, transform .9s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

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

body.qa .hero { min-height: 760px; }