/* ============================================================
   CULT — BLOCK 03 · MANIFEST CUBE
   3D-куб с принципами · 4 смысловые грани · фирменный зелёный
   ============================================================ */

.cube-head { margin-bottom: 0; }
.cube-section .section-head { margin-bottom: 0; }
.cube-head__title {
  font-weight: 400; color: var(--text);
  font-size: clamp(1.9rem, 4.2vw, 3.4rem); line-height: 1.05;
  text-transform: uppercase; letter-spacing: -0.02em;
}
.cube-head__link {
  white-space: nowrap; color: var(--text-muted); font-size: .78rem;
  letter-spacing: .14em; text-transform: uppercase;
  border-bottom: 1px solid transparent;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}
.cube-head__link:hover { color: var(--accent); border-color: var(--accent-line); }

.cube-scroll { position: relative; height: 480vh; }

.cube-stage {
  position: sticky; top: 0;
  height: 100vh; height: 100svh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}

.cube-stage__bg {
  position: absolute; inset: -10% 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 72% 62% at 50% 46%, #000 28%, transparent 76%);
}

.cube-stage__inner {
  position: relative; z-index: 1; width: 100%;
  margin-top: -90px;
  display: block; align-items: center;
  will-change: transform;
}

/* --- cube: 4 смысловые грани + 2 служебные --- */
.cube-stage__cube {
  display: grid;
  place-items: center;
  perspective: 1400px;
  perspective-origin: 50% 50%;
}

/* первое действие: кубик подбрасывает и он падает */
.cube-stage.is-tossed .cube-stage__cube {
  animation: cube-toss 1s cubic-bezier(.3, .9, .35, 1) both;
}
@keyframes cube-toss {
  0%   { transform: translateY(45px) scale(.95); opacity: 0; }
  35%  { transform: translateY(-55px) scale(1.02); opacity: 1; }
  65%  { transform: translateY(10px) scale(.99); }
  82%  { transform: translateY(-5px); }
  100% { transform: translateY(0) scale(1); opacity: 1; }
}

/* авто-вращение только вне десктопа: JS-скрабл работает на >=900px */
@keyframes cult-cube-spin {
  from { transform: rotateX(-6deg) rotateY(0deg); }
  to   { transform: rotateX(-6deg) rotateY(360deg); }
}

.cube {
  --cs: clamp(560px, 62vw, 760px);
  width: var(--cs); height: var(--cs);
  position: relative; margin: 0 auto;
  transform: translateY(14px) rotateY(-20deg);
  transform-origin: center center;
  transform-style: preserve-3d;
}

.cube,
.cube__face {
  box-sizing: border-box;
}

.cube__face {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(36px, 3.6vw, 58px);
  background:
    radial-gradient(120% 100% at 50% 30%, rgba(65, 253, 19, 0.24), transparent 62%),
    radial-gradient(130% 90% at 18% 0%, rgba(65, 253, 19, 0.14), transparent 55%),
    linear-gradient(180deg, #101c14 0%, #0a120c 100%);
  border: 1px solid rgba(65, 253, 19, 0.35);
  box-shadow:
    0 0 30px rgba(65, 253, 19, 0.20),
    inset 0 0 0 1px rgba(65, 253, 19, 0.08),
    inset 0 0 60px rgba(65, 253, 19, 0.05);
  backface-visibility: hidden; overflow: hidden;
}
.cube__face::before {
  content: ""; position: absolute; inset: 16px;
  border: 1px solid rgba(65, 253, 19, 0.10);
  pointer-events: none;
}

.cube-face__title {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem); line-height: 1.15;
  letter-spacing: .02em; margin: 0;
  display: flex; align-items: baseline; gap: .45em;
  white-space: nowrap;
}
.cube-face__num {
  color: var(--accent);
  font-size: 1.25em; line-height: 1;
  text-shadow: var(--glow-text);
}
.cube-face__name { color: var(--text); }
.cube-face__line {
  position: relative; height: 1px; margin: 18px 0 20px;
  background: linear-gradient(90deg, var(--accent-line), transparent 82%);
}
.cube-face__line::before {
  content: ""; position: absolute; left: 0; top: -2px;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}
.cube-face__text { color: var(--text-soft); opacity: .92; font-size: 1.02rem; line-height: 1.6; max-width: 34ch; }

/* ориентация граней */
.cube__face--front  { transform: rotateY(0deg) translateZ(calc(var(--cs) / 2)); }
.cube__face--right  { transform: rotateY(90deg) translateZ(calc(var(--cs) / 2)); }
.cube__face--back   { transform: rotateY(180deg) translateZ(calc(var(--cs) / 2)); }
.cube__face--left   { transform: rotateY(-90deg) translateZ(calc(var(--cs) / 2)); }
.cube__face--top    { transform: rotateX(90deg) translateZ(calc(var(--cs) / 2)); }
.cube__face--bottom { transform: rotateX(-90deg) translateZ(calc(var(--cs) / 2)); }

/* служебные грани */
.cube__face--top, .cube__face--bottom {
  align-items: center; justify-content: center; text-align: center;
  gap: 8px; background: rgba(8, 11, 10, 0.5); border-color: rgba(243, 245, 242, 0.07);
}
.cube-face__pattern {
  position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, rgba(243, 245, 242, 0.07) 1px, transparent 1px);
  background-size: 22px 22px;
}
.cube-face__logo {
  font-family: var(--font-display); font-weight: 600; font-size: 1.15rem;
  letter-spacing: .55em; text-indent: .55em; color: var(--text-soft);
}
.cube-face__meta { position: relative; color: var(--text-faint); font-size: .7rem; letter-spacing: .14em; }
.cube-face--sys { display: grid; gap: 6px; align-content: center; justify-items: center; }
.cube-face--sys .cube-face__logo { margin-bottom: 2px; }
.cube-face--sys.is-online .cube-face__meta { color: var(--text-muted); }
.cube-face__bar { width: 46px; height: 1px; background: var(--accent-line); }

@media (max-width: 1199px) {
  .cube { --cs: min(84vw, 580px); }
}
@media (max-width: 1023px) {
  .cube { --cs: min(78vw, 380px); }
  .cube__face { padding: 30px 26px; }
  .cube-face__text { font-size: .98rem; }
}
@media (max-width: 899px) {
  .cube-scroll { height: auto; }
  /* вертикально не режем (куб при вращении выступает за layout-box),
     горизонтально клипаем, чтобы не появлялся скролл вправо */
  .cube-stage { position: static; height: auto; overflow-x: clip; overflow-y: visible; }
  .cube-stage__inner { margin-top: 0; }
  /* вне десктопа JS-скрабл отключён — запускаем авто-вращение граней */
  .cube { animation: cult-cube-spin 22s linear infinite; }
}
@media (max-width: 640px) {
  .cube { --cs: min(52vw, 250px); margin: 68px auto 60px; }
  .cube-stage__cube { perspective: 1100px; }
  .cube__face { padding: 14px 12px; }
  .cube__face::before { inset: 8px; }
  .cube-face__title { font-size: 1.05rem; line-height: 1.2; }
  .cube-face__line { margin: 8px 0 10px; }
  .cube-face__text { font-size: .68rem; line-height: 1.4; }
  .cube-head__title { line-height: 1.18; font-size: clamp(1.5rem, 6vw, 2.1rem); }
}
@media (max-width: 360px) {
  .cube { --cs: min(52vw, 165px); }
  .cube__face { padding: 10px 8px; }
  .cube-face__title { font-size: .88rem; gap: .3em; }
  .cube-face__num { font-size: 1.1em; }
  .cube-face__line { margin: 6px 0 8px; }
  .cube-face__text { font-size: .6rem; line-height: 1.35; }
}
@media (prefers-reduced-motion: reduce) {
  .cube-scroll { height: auto; }
  .cube-stage { position: static; height: auto; }
  .cube-stage.is-tossed .cube-stage__cube { animation: none; }
  .cube { animation: none; transition: none; }
}