/* 04 Ciclo */

.cycle {
  height: 400vh;
  background:
    radial-gradient(55% 55% at 70% 50%, rgba(0, 163, 166, 0.22), transparent 70%),
    linear-gradient(180deg, var(--deep), var(--deep-2)) !important;
}
.cycle__stage {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100svh;
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding: var(--nav-h) var(--gutter) 0;
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  align-items: center;
  gap: clamp(24px, 5vw, 80px);
}
.cycle__title { font-size: clamp(2rem, 4.2vw, 3.6rem); }
.cycle__body {
  margin-top: 22px;
  max-width: 40ch;
  font-size: clamp(1rem, 1.4vw, 1.1875rem);
  line-height: 1.5;
  color: var(--text-light-2);
}
.cycle__motto {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.cycle__motto [data-motto] { opacity: 0.22; transition: opacity 500ms var(--ease-out), color 500ms var(--ease-out); }
.cycle__motto [data-motto].is-on { opacity: 1; color: var(--sky); }
.cycle__motto .sep { opacity: 0.3; font-weight: 400; }

.cycle__ring {
  position: relative;
  width: min(100%, 76svh);
  aspect-ratio: 1;
  justify-self: center;
}
.cycle__ring svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.ring__track { fill: none; stroke: rgba(245, 245, 247, 0.1); stroke-width: 2; }
.ring__fill {
  fill: none;
  stroke: url(#ring-grad);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 1 1;
  stroke-dashoffset: 1;
  transform: rotate(-90deg);
  transform-origin: 300px 300px;
}
.ring__head { fill: #fff; filter: drop-shadow(0 0 8px rgba(173, 224, 234, 0.9)); }

/* r = 230 / 600 = 38.33 % */
.ring__nodes li {
  --angle: calc(var(--a) * 72deg - 90deg);
  position: absolute;
  left: calc(50% + cos(var(--angle)) * 38.33%);
  top: calc(50% + sin(var(--angle)) * 38.33%);
  width: 0;
  height: 0;
}
.ring__nodes li::before {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  left: -7px;
  top: -7px;
  border-radius: 50%;
  background: var(--deep);
  border: 2px solid rgba(245, 245, 247, 0.28);
  transition: background-color 500ms var(--ease-out), border-color 500ms var(--ease-out), transform 500ms var(--ease-out);
}
.ring__nodes li.is-on::before { background: var(--sky); border-color: var(--sky); transform: scale(1.25); }
.ring__nodes span {
  position: absolute;
  white-space: nowrap;
  font-size: clamp(0.75rem, 1.15vw, 0.9375rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(245, 245, 247, 0.4);
  transition: color 500ms var(--ease-out);
}
.ring__nodes li.is-on span { color: var(--text-light); }
.ring__nodes li[style*="--a:0"] span { left: 0; bottom: 18px; translate: -50% 0; }
.ring__nodes li[style*="--a:1"] span { left: 18px; top: 0; translate: 0 -50%; }
.ring__nodes li[style*="--a:2"] span { left: 12px; top: 14px; }
.ring__nodes li[style*="--a:3"] span { right: 12px; top: 14px; }
.ring__nodes li[style*="--a:4"] span { right: 18px; top: 0; translate: 0 -50%; }

.ring__center {
  position: absolute;
  inset: 26%;
  display: grid;
  place-items: center;
  text-align: center;
}
.ring__center > img {
  width: 34%;
  opacity: 0.9;
  margin-bottom: 8%;
  align-self: end;
  animation: swim 8s ease-in-out infinite;
}
.ring__captions { position: relative; align-self: start; width: 100%; min-height: 3.2em; }
.ring__captions p {
  position: absolute;
  inset: 0 0 auto;
  font-size: clamp(0.9375rem, 1.4vw, 1.1875rem);
  line-height: 1.35;
  color: var(--text-light);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 500ms var(--ease-out), transform 600ms var(--ease-out);
  text-wrap: balance;
}
.ring__captions p.is-on { opacity: 1; transform: none; }

.cycle__outro {
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: clamp(28px, 7vh, 72px);
  text-align: center;
  font-size: clamp(1.0625rem, 1.6vw, 1.375rem);
  font-weight: 600;
  letter-spacing: -0.012em;
  color: var(--text-light);
  opacity: 0;
  transform: translateY(10px);
  will-change: opacity, transform;
}

@media (max-width: 860px) {
  .cycle__stage {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
    align-content: center;
    gap: 0;
    padding-top: calc(var(--nav-h) + 20px);
    padding-bottom: 72px;
  }
  .cycle__title { font-size: clamp(1.6rem, 6.4vw, 2.2rem); }
  .cycle__body { display: none; }
  .cycle__motto { margin-top: 12px; font-size: 1.0625rem; }
  /* Hueco a los lados para las etiquetas de los nodos */
  .cycle__ring { width: min(100vw - 2 * var(--gutter) - 72px, 46svh); margin-top: 12px; align-self: center; }
  .ring__nodes span { font-size: 0.625rem; letter-spacing: 0.04em; }
  .ring__captions p { font-size: 0.8125rem; }
  .cycle__outro { bottom: 24px; font-size: 1rem; }
}
@media (max-width: 860px) and (max-height: 600px) {
  .cycle__title { font-size: 1.375rem; }
  .cycle__motto { font-size: 0.9375rem; }
  .cycle__stage { padding-bottom: 64px; }
  .cycle__ring { width: min(100vw - 2 * var(--gutter) - 72px, 40svh); }
  .ring__captions p { font-size: 0.6875rem; }
  .cycle__outro { bottom: 12px; font-size: 0.875rem; }
}

/* Móvil en horizontal: texto y anillo lado a lado */
@media (orientation: landscape) and (max-height: 540px) {
  .cycle__stage {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: none;
    gap: 24px;
    padding-top: calc(var(--nav-h) + 8px);
    padding-bottom: 48px;
  }
  .cycle__title { font-size: clamp(1.4rem, 3.6vw, 1.9rem); }
  .cycle__body { display: none; }
  .cycle__motto { margin-top: 12px; font-size: 1.0625rem; }
  .cycle__ring { width: min(100%, 58svh); }
  .ring__nodes span { font-size: 0.625rem; letter-spacing: 0.04em; }
  .ring__captions p { font-size: 0.75rem; }
  .cycle__outro { bottom: 14px; font-size: 0.9375rem; }
}

@media (prefers-reduced-motion: reduce) {
  .cycle { height: auto; }
  .cycle__stage { position: relative; height: auto; padding-block: 120px 80px; }
  .ring__fill { stroke-dashoffset: 0; }
  .ring__head { display: none; }
  .ring__nodes li::before { background: var(--sky); border-color: var(--sky); }
  .ring__nodes span { color: var(--text-light); }
  .ring__captions { display: none; }
  .cycle__motto [data-motto] { opacity: 1; }
  .cycle__outro { position: static; opacity: 1; transform: none; grid-column: 1 / -1; }
}

.ring__nodes li::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  left: -7px;
  top: -7px;
  border-radius: 50%;
  background: var(--sky);
  opacity: 0;
}
.ring__nodes li.is-current::after { animation: ripple 2s var(--ease-out) infinite; }