/* Lic. Micaela Gaitán — clon de la demo "sala de espera luminosa",
   re-teñido con la paleta acuarela del logo (turquesa/verde). Ver brief.md */

:root {
  --fondo: #fafcfb;
  --tinta: #1d2e31;
  --tinta-suave: #4c6367;
  --teal: #17727f;
  --teal-hondo: #0f5460;
  --verde: #5ab79a;
  --turquesa: #3fa7b3;
  --bruma: #e8f2f0;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Karla", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--fondo);
  color: var(--tinta);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 550; line-height: 1.12; }

img { max-width: 100%; height: auto; display: block; }

/* ---- barra ---- */
.barra {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: .7rem clamp(1.25rem, 5vw, 3rem);
  background: color-mix(in srgb, var(--fondo) 86%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid color-mix(in srgb, var(--teal) 15%, transparent);
}
.barra-nombre { font-family: var(--serif); font-size: 1.05rem; }

/* ---- botones ---- */
.btn {
  display: inline-block;
  background: var(--teal);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: .8rem 1.5rem;
  border-radius: 999px;
  transition: background .2s ease, transform .2s ease;
}
.btn:hover { background: var(--teal-hondo); transform: translateY(-1px); }
.btn-chico { padding: .5rem 1.1rem; font-size: .92rem; }
.btn-grande { font-size: 1.1rem; padding: 1rem 2rem; }
.link-suave {
  color: var(--tinta-suave);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid color-mix(in srgb, var(--teal) 30%, transparent);
}
.link-suave:hover { color: var(--teal-hondo); }

/* ---- layout de secciones ---- */
main > section {
  max-width: 44rem;
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 5rem) clamp(1.25rem, 5vw, 2rem);
}
h2 { font-size: clamp(1.75rem, 5vw, 2.4rem); margin-bottom: 1rem; }
.intro { color: var(--tinta-suave); max-width: 34rem; margin-bottom: 2rem; }

/* ---- hero ---- */
.hero {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  padding-top: clamp(2.5rem, 6vw, 5rem);
}
.ojal {
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.1rem;
}
h1 {
  font-size: clamp(2.35rem, 7.5vw, 3.6rem);
  letter-spacing: -.01em;
  margin-bottom: 1.2rem;
}
.hero-bajada { color: var(--tinta-suave); max-width: 32rem; margin-bottom: 2rem; }
.hero-ctas { display: flex; flex-wrap: wrap; align-items: center; gap: 1.3rem; }
.hero-fig {
  position: relative;
  justify-self: center;
  width: min(82%, 360px);
  display: grid; place-items: center;
}
.hero-fig .halo {
  position: absolute;
  inset: -6%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 46%,
    color-mix(in srgb, var(--turquesa) 24%, transparent),
    color-mix(in srgb, var(--verde) 11%, transparent) 46%,
    transparent 70%);
  filter: blur(6px);
  z-index: 0;
}
.hero-fig img { position: relative; z-index: 1; width: 100%; mix-blend-mode: multiply; }

@media (min-width: 800px) {
  .hero {
    max-width: 62rem;
    grid-template-columns: 1.25fr 1fr;
  }
  .hero-fig { width: min(100%, 380px); justify-self: end; }
}

/* ---- motivos ---- */
.lista-motivos { list-style: none; padding: 0; }
.lista-motivos li {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .35rem 1rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--tinta) 14%, transparent);
}
.lista-motivos li:first-child { border-top: 1px solid color-mix(in srgb, var(--tinta) 14%, transparent); }
.lista-motivos strong {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 550;
  min-width: 9.5rem;
}
.lista-motivos span { color: var(--tinta-suave); font-size: .97rem; }

/* ---- respirar (interacción firma) ---- */
.respirar { background: var(--bruma); max-width: none; }
.respirar-inner { max-width: 44rem; margin: 0 auto; text-align: center; }
.respirar-inner .intro { margin-inline: auto; }

.circulo {
  position: relative;
  width: 170px; height: 170px;
  margin: 1.5rem auto;
  border: none; padding: 0;
  background: transparent;
  cursor: pointer;
  display: grid; place-items: center;
  -webkit-tap-highlight-color: transparent;
}
.circulo-anillo {
  position: absolute; inset: 0;
  border-radius: 50%;
  background: var(--turquesa);
  opacity: .2;
  transform: scale(.72);
  transition: transform .5s ease;
}
.circulo::after {
  content: "";
  position: absolute; inset: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--teal);
}
.circulo-texto {
  position: relative;
  font-weight: 700;
  color: var(--teal-hondo);
  font-size: .95rem;
  letter-spacing: .04em;
}
/* fases: el JS setea data-fase y la duración como variable */
.circulo[data-fase="inhala"] .circulo-anillo { transform: scale(1); transition: transform 4s cubic-bezier(.4,0,.4,1); }
.circulo[data-fase="sostene"] .circulo-anillo { transform: scale(1); transition: transform .3s; }
.circulo[data-fase="solta"] .circulo-anillo { transform: scale(.72); transition: transform 6s cubic-bezier(.4,0,.6,1); }
.respirar-nota { color: var(--tinta-suave); font-size: .88rem; }

/* ---- pasos ---- */
.lista-pasos { list-style: none; padding: 0; counter-reset: paso; }
.lista-pasos li {
  counter-increment: paso;
  position: relative;
  padding: 0 0 1.9rem 3.4rem;
}
.lista-pasos li::before {
  content: counter(paso, decimal-leading-zero);
  position: absolute; left: 0; top: .1rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--turquesa);
}
.lista-pasos h3 { font-size: 1.28rem; margin-bottom: .35rem; }
.lista-pasos p { color: var(--tinta-suave); }

/* ---- sobre ---- */
.sobre-texto { max-width: 40rem; }
.sobre-texto p + p { margin-top: 1rem; }
.sobre-texto p { color: var(--tinta-suave); }
.sobre-texto p:first-of-type { color: var(--tinta); font-size: 1.12rem; }

/* ---- modalidad ---- */
.modalidad-cols { display: grid; gap: 1.2rem; }
.modalidad-cols article {
  background: var(--bruma);
  border-radius: 12px;
  padding: 1.6rem 1.7rem;
}
.modalidad-cols h3 { font-size: 1.2rem; margin-bottom: .5rem; }
.modalidad-cols p { color: var(--tinta-suave); }
.card-link {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--sans);
  font-weight: 700;
  font-size: .95rem;
  color: var(--teal-hondo);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--teal) 35%, transparent);
  padding-bottom: 1px;
  transition: color .2s ease;
}
.card-link:hover { color: var(--teal); }
@media (min-width: 640px) { .modalidad-cols { grid-template-columns: 1fr 1fr; } }

/* ---- faq ---- */
.faq details {
  border-bottom: 1px solid color-mix(in srgb, var(--tinta) 14%, transparent);
}
.faq details:first-of-type { border-top: 1px solid color-mix(in srgb, var(--tinta) 14%, transparent); }
.faq summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--serif);
  font-size: 1.15rem;
  padding: 1.1rem 2rem 1.1rem 0;
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute; right: .2rem; top: 50%;
  transform: translateY(-50%);
  font-family: var(--sans);
  color: var(--teal);
  font-size: 1.3rem;
  transition: transform .25s ease;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--tinta-suave); padding: 0 0 1.2rem; max-width: 36rem; }

/* ---- cierre ---- */
.cierre { text-align: center; }
.cierre h2 { font-size: clamp(1.9rem, 6vw, 2.8rem); }
.cierre p { color: var(--tinta-suave); margin-bottom: 1.8rem; }
.cierre-alt { margin-top: 2.4rem; margin-bottom: 1.2rem; font-size: .95rem; }

/* canales de contacto (cierre) */
.canales {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 1rem;
  max-width: 40rem; margin: 0 auto;
}
.canal {
  flex: 1 1 10.5rem;
  display: flex; flex-direction: column; align-items: center; gap: .2rem;
  text-decoration: none;
  padding: .9rem .7rem;
  border: 1px solid color-mix(in srgb, var(--teal) 16%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--bruma) 55%, transparent);
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
.canal:hover {
  border-color: color-mix(in srgb, var(--teal) 40%, transparent);
  background: var(--bruma);
  transform: translateY(-1px);
}
.canal-tipo {
  font-family: var(--sans);
  font-weight: 700; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--tinta-suave);
}
.canal-dato { font-weight: 500; color: var(--teal-hondo); font-size: .92rem; word-break: break-word; }

/* ---- pie ---- */
.pie {
  border-top: 1px solid color-mix(in srgb, var(--teal) 14%, transparent);
  padding: 1.6rem clamp(1.25rem, 5vw, 2rem) 2rem;
  text-align: center;
  font-size: .85rem;
  color: var(--tinta-suave);
}
.pie-taiga { margin-top: .3rem; }
.pie-taiga a { color: inherit; }

/* ---- reveals ---- */
.revela { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
.revela.visto { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .revela { opacity: 1; transform: none; transition: none; }
  .circulo-anillo { transition: none !important; }
}