/* ———————— Главная по макету: стеклянный герой 2×2 и «Что внутри» рядами окон ————————
   Карточки ровные, без наклона и перспективы. Внутри — настоящие записи экрана (video[data-reel]).
   Украшения (стеклянные фигуры, искры) — свой SVG, без чужих картинок. */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap; border: 0;
}

html[data-theme="light"] {
  --hx-base: #f6effb;
  --hx-glow:
    radial-gradient(60% 55% at 6% 10%, rgba(190, 168, 255, 0.6), transparent 70%),
    radial-gradient(50% 50% at 92% 6%, rgba(255, 208, 186, 0.75), transparent 70%),
    radial-gradient(55% 50% at 72% 78%, rgba(255, 190, 222, 0.6), transparent 70%),
    radial-gradient(45% 45% at 14% 92%, rgba(208, 192, 255, 0.6), transparent 70%);
  --hx-ink: #14132b;
  --hx-muted: #5e5b78;
  --hx-glass: rgba(255, 255, 255, 0.52);
  --hx-glass-strong: rgba(255, 255, 255, 0.72);
  --hx-edge: rgba(255, 255, 255, 0.85);
  --hx-line: rgba(80, 60, 160, 0.12);
  --hx-shadow: 0 24px 60px -18px rgba(110, 72, 190, 0.32), 0 6px 18px -8px rgba(110, 72, 190, 0.18);
  --hx-shadow-sm: 0 10px 26px -12px rgba(110, 72, 190, 0.3);
  --hx-violet: #6a4bff;
  --hx-pill: #ffffff;
  --hx-spark: #ffffff;
  --hx-shape-op: 0.9;
  --hx-kicker: #d9531a; /* оранжевый макета, затемнён до читаемого контраста на светлом фоне */
}
html[data-theme="dark"], :root:not([data-theme]) {
  --hx-base: #141030;
  --hx-glow:
    radial-gradient(60% 55% at 6% 10%, rgba(112, 82, 255, 0.38), transparent 70%),
    radial-gradient(50% 50% at 92% 6%, rgba(255, 130, 90, 0.2), transparent 70%),
    radial-gradient(55% 50% at 72% 78%, rgba(255, 79, 139, 0.22), transparent 70%),
    radial-gradient(45% 45% at 14% 92%, rgba(98, 70, 230, 0.3), transparent 70%);
  --hx-ink: #f4f1ff;
  --hx-muted: #b9b3d9;
  --hx-glass: rgba(36, 30, 72, 0.5);
  --hx-glass-strong: rgba(44, 37, 86, 0.72);
  --hx-edge: rgba(255, 255, 255, 0.14);
  --hx-line: rgba(255, 255, 255, 0.1);
  --hx-shadow: 0 24px 60px -18px rgba(0, 0, 0, 0.6), 0 6px 18px -8px rgba(60, 30, 140, 0.4);
  --hx-shadow-sm: 0 10px 26px -12px rgba(0, 0, 0, 0.55);
  --hx-violet: #8a70ff;
  --hx-pill: rgba(255, 255, 255, 0.08);
  --hx-spark: #e9e2ff;
  --hx-shape-op: 0.3;
  --hx-kicker: #ff9a5c;
}

/* Фон и шапка-«таблетка» — только пока открыта главная. */
html:has(#screen-home:not([hidden])),
html:has(#screen-home:not([hidden])) body { background: var(--hx-base); }
/* Свечение — у каждого блока своё: длинная страница не растягивает пятна, и не нужен background-attachment: fixed. */
.hx-hero::before, .hx-inside::before, .hx-start::before {
  content: "";
  position: absolute;
  inset: -40px calc(-1 * var(--space)) -40px;
  z-index: -1;
  background: var(--hx-glow);
  pointer-events: none;
  /* края пятен растворяются — между блоками нет «шва» */
  -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 14%, #000 86%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0, #000 14%, #000 86%, transparent 100%);
}
.hx-hero::before { top: calc(-1 * (var(--header-h) + 3 * var(--space))); -webkit-mask-image: linear-gradient(180deg, #000 0, #000 86%, transparent 100%); mask-image: linear-gradient(180deg, #000 0, #000 86%, transparent 100%); }
.hx-inside::before { background: var(--hx-glow); transform: scaleX(-1); }
body:has(#screen-home:not([hidden])) .top {
  position: relative;
  z-index: 5;
  border-radius: 999px;
  padding-inline: calc(16px * var(--ui-scale)) calc(10px * var(--ui-scale));
  background: var(--hx-glass);
  border: 1px solid var(--hx-edge);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  backdrop-filter: blur(20px) saturate(1.4);
  box-shadow: var(--hx-shadow-sm);
}
body:has(#screen-home:not([hidden])) .top .admin-btn:not(.on) {
  background: var(--hx-pill);
  border-color: var(--hx-line);
}
body:has(#screen-home:not([hidden])) .top .admin-btn.on {
  background: linear-gradient(135deg, #7b5cff, #5b3df0);
  color: #fff;
  box-shadow: 0 6px 16px -6px rgba(91, 61, 240, 0.6);
}

.hx { position: relative; color: var(--hx-ink); padding: 0; }
/* На широком мониторе содержимое не расползается: колонка до 1480 px по центру. */
.hx-hero, .hx-inside, .hx-start { width: 100%; max-width: 1480px; margin-inline: auto; }
.hx-defs { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ——— украшения ——— */
.hx-deco { position: absolute; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.hx-shape, .hx-spark { position: absolute; display: block; }
.hx-shape {
  opacity: var(--hx-shape-op);
  filter: drop-shadow(0 16px 24px rgba(120, 80, 200, 0.28));
  animation: hx-float 9s ease-in-out infinite;
}
.hx-spark { width: 16px; height: 16px; color: var(--hx-spark); fill: var(--hx-spark); opacity: 0.9; animation: hx-twinkle 3.6s ease-in-out infinite; filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.9)); }
.hx-s1 { width: 116px; height: 106px; left: 43%; top: 9%; }
.hx-s2 { width: 84px; height: 84px; left: 37%; top: 66%; animation-delay: -3s; }
.hx-s3 { width: 88px; height: 80px; left: 2%; top: 86%; animation-delay: -5s; }
.hx-s4 { width: 104px; height: 104px; right: 1%; top: 74%; animation-delay: -2s; }
.hx-s5 { width: 40px; height: 40px; right: 4%; top: 10%; animation-delay: -6s; }
.hx-s6 { width: 104px; height: 104px; left: 34%; top: 2%; }
.hx-s7 { width: 96px; height: 88px; left: 3%; top: 70%; animation-delay: -4s; }
.hx-s8 { width: 50px; height: 50px; right: 2%; top: 40%; animation-delay: -2s; }
.hx-k1 { left: 4%; top: 18%; }
.hx-k2 { left: 34%; top: 80%; width: 12px; height: 12px; animation-delay: -1.2s; }
.hx-k3 { left: 47%; top: 46%; width: 10px; height: 10px; animation-delay: -2.1s; }
.hx-k4 { right: 3%; top: 32%; animation-delay: -0.6s; }
.hx-k5 { right: 30%; top: 92%; width: 12px; height: 12px; animation-delay: -2.8s; }
.hx-k6 { left: 4%; top: 12%; animation-delay: -1s; }
.hx-k7 { left: 3%; top: 48%; width: 12px; height: 12px; animation-delay: -2s; }
.hx-k8 { right: 1.5%; top: 12%; animation-delay: -3s; }
@keyframes hx-float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -12px; } }
@keyframes hx-twinkle { 0%, 100% { opacity: 0.95; scale: 1; } 50% { opacity: 0.35; scale: 0.7; } }

/* ——— кнопки ——— */
.hx-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px;
  padding: 0 30px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  font: 800 16px/1 var(--font);
  letter-spacing: -0.005em;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.hx-btn-main {
  color: #fff;
  background: linear-gradient(135deg, #ff9f33 0%, #f97a22 50%, #ec5a1e 100%);
  box-shadow: 0 12px 26px -10px rgba(255, 110, 40, 0.75), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}
.hx-btn-ghost {
  color: var(--hx-ink);
  background: var(--hx-glass-strong);
  border-color: var(--hx-edge);
  box-shadow: var(--hx-shadow-sm);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.hx-btn:hover { transform: translateY(-2px); }
.hx-btn:active { transform: translateY(1px); }
.hx-btn:focus-visible, .hx-more:focus-visible { outline: 3px solid var(--hx-violet); outline-offset: 3px; }
.hx-btn-sm { min-height: 42px; padding: 0 20px; font-size: 14.5px; }

/* ——— герой ——— */
.hx-hero {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  grid-template-areas: "copy art" "more more";
  align-items: center;
  gap: clamp(24px, 3.4vw, 56px) clamp(24px, 4vw, 64px);
  padding: clamp(28px, 4.5vh, 56px) clamp(16px, 3.4vw, 56px) 14px;
  min-height: calc(100svh - var(--header-h) - 3 * var(--space));
  box-sizing: border-box;
}
.hx-hero-copy { grid-area: copy; position: relative; z-index: 1; }
.hx-kicker {
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--hx-kicker);
}
.hx-hero h1 {
  margin: 0 0 clamp(24px, 4vh, 40px);
  font-family: var(--font);
  font-weight: 800;
  font-size: clamp(40px, 4.7vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.035em;
  color: var(--hx-ink);
}
.hx-hero h1 span {
  background: linear-gradient(90deg, #ffa23a 0%, #ff7046 45%, #ff3f8e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-bottom: 0.06em;
}
@media (min-width: 641px) { .hx-hero h1 span { white-space: nowrap; } }
.hx-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: clamp(32px, 7vh, 72px); }
.hx-facts {
  display: flex;
  margin: 0; padding: 0;
  list-style: none;
  color: var(--hx-muted);
  font-size: 15px;
  font-weight: 600;
}
.hx-facts li { padding: 0 26px; border-left: 1.5px solid var(--hx-line); }
.hx-facts li:first-child { padding-left: 0; border-left: 0; }
.hx-facts b {
  display: block;
  font-family: var(--font-nums);
  font-size: clamp(24px, 2.2vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--hx-ink);
}

.hx-grid {
  grid-area: art;
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(12px, 1.4vw, 20px);
}
.hx-card, .hx-win {
  background: var(--hx-glass);
  border: 1px solid var(--hx-edge);
  -webkit-backdrop-filter: blur(22px) saturate(1.35);
  backdrop-filter: blur(22px) saturate(1.35);
  box-shadow: var(--hx-shadow);
}
.hx-card {
  margin: 0;
  padding: 8px 8px 0;
  border-radius: 22px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.hx-card:hover { transform: translateY(-3px); }
.hx-card video, .hx-win-media video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 720 / 440;
  object-fit: cover;
  border-radius: 15px;
  background: color-mix(in srgb, var(--hx-violet) 12%, #fff);
}
.hx-card figcaption {
  padding: 11px 8px 13px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--hx-ink);
}
/* слот видеоурока (data-lesson-video) */
.hx-grid.has-lesson { display: block; }
.hero-lesson {
  margin: 0;
  padding: 8px;
  border-radius: 24px;
  background: var(--hx-glass);
  border: 1px solid var(--hx-edge);
  box-shadow: var(--hx-shadow);
}
.hero-lesson video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; border-radius: 17px; background: #0b1020; }

.hx-more {
  grid-area: more;
  justify-self: center;
  position: relative; z-index: 1;
  display: inline-flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 6px 18px;
  border-radius: 18px;
  color: var(--hx-ink);
  text-decoration: none;
  font-weight: 800;
  font-size: clamp(26px, 2.4vw, 34px);
  letter-spacing: -0.02em;
}
.hx-more svg { color: var(--hx-violet); animation: hx-nudge 1.8s ease-in-out infinite; }
@keyframes hx-nudge { 0%, 100% { translate: 0 0; } 50% { translate: 0 5px; } }

/* ——— «Что внутри»: ряды «заголовок слева — окно приложения справа» ——— */
.hx-inside {
  position: relative;
  isolation: isolate;
  display: grid;
  gap: clamp(24px, 4vh, 44px);
  padding: clamp(36px, 6vh, 72px) clamp(16px, 3.4vw, 56px) clamp(24px, 4vh, 48px);
  scroll-margin-top: 12px;
}
.hx-row {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(20px, 4vw, 64px);
  align-items: center;
  scroll-margin-top: 16px;
}
.hx-row-copy h3 {
  margin: 0 0 16px;
  font-family: var(--font);
  font-weight: 800;
  font-size: clamp(34px, 4vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.04em;
  color: var(--hx-ink);
}
.hx-row-copy h3::after {
  content: "";
  display: block;
  width: 84px; height: 7px;
  margin-top: 16px;
  border-radius: 99px;
  background: linear-gradient(90deg, #ff8a2b, #ff4f8b);
}
.hx-row-copy p { margin: 0; max-width: 46ch; color: var(--hx-muted); font-size: 16px; line-height: 1.55; font-weight: 500; }

.hx-win { border-radius: 24px; padding: 10px 12px 12px; min-width: 0; }
.hx-win-bar {
  display: flex; align-items: center; gap: 14px;
  padding: 2px 4px 10px;
  font-size: 12.5px; font-weight: 700;
  color: var(--hx-ink);
  white-space: nowrap;
  min-width: 0;
}
.hx-dots { display: inline-flex; gap: 6px; flex: 0 0 auto; }
.hx-dots i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.hx-dots i:nth-child(2) { background: #febc2e; }
.hx-dots i:nth-child(3) { background: #28c840; }
.hx-win-brand { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; flex: 0 0 auto; }
.hx-win-brand img { border-radius: 5px; }
.hx-win-nav { display: inline-flex; gap: 4px; margin: 0 auto; min-width: 0; overflow: hidden; }
.hx-win-nav b { padding: 5px 12px; border-radius: 999px; font-weight: 700; color: var(--hx-muted); }
.hx-win-nav b.on { color: #fff; background: linear-gradient(135deg, #7b5cff, #5b3df0); box-shadow: 0 4px 12px -4px rgba(91, 61, 240, 0.6); }
.hx-win-me { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.hx-bell { width: 14px; height: 14px; border-radius: 7px 7px 3px 3px; border: 2px solid var(--hx-muted); border-bottom-width: 3px; opacity: 0.7; }
.hx-ava { width: 22px; height: 22px; border-radius: 50%; background: radial-gradient(circle at 50% 38%, #fff 0 26%, transparent 27%), radial-gradient(circle at 50% 110%, #fff 0 46%, transparent 47%), linear-gradient(135deg, #b7a6ff, #7b5cff); }

.hx-win-body {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(176px, 1fr);
  gap: 12px;
}
.hx-win-media { margin: 0; }
.hx-win-media video { border-radius: 16px; }
.hx-win-side {
  display: flex; flex-direction: column; gap: 12px;
  padding: 12px;
  border-radius: 16px;
  background: var(--hx-glass-strong);
  border: 1px solid var(--hx-line);
}
.hx-side-title { margin: 0; font-size: 14px; font-weight: 800; color: var(--hx-ink); }
.hx-win-side ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 7px; }
.hx-win-side li {
  position: relative;
  padding: 6px 8px 6px 26px;
  border-radius: 10px;
  background: var(--hx-pill);
  border: 1px solid var(--hx-line);
  font-size: 12.5px; font-weight: 600; line-height: 1.3;
  color: var(--hx-ink);
}
.hx-win-side li::before {
  content: "";
  position: absolute; left: 9px; top: 50%;
  width: 9px; height: 9px; margin-top: -4.5px;
  border-radius: 3px;
  background: linear-gradient(135deg, #8a6bff, #ff4f8b);
}
.hx-win-side .hx-btn { margin-top: auto; align-self: stretch; }
.hx-qgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.hx-qgrid img {
  display: block; width: 100%; height: auto;
  aspect-ratio: 1040 / 800; object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--hx-line);
  background: color-mix(in srgb, var(--hx-violet) 10%, #fff);
}

/* ——— «С чего начать» ——— */
.hx-start {
  position: relative;
  isolation: isolate;
  padding: clamp(24px, 4vh, 48px) clamp(16px, 3.4vw, 56px) clamp(40px, 7vh, 80px);
  scroll-margin-top: 12px;
}
.hx-start-head { text-align: center; margin-bottom: 26px; }
.hx-start-head .hx-kicker { margin-bottom: 10px; }
.hx-start-head h2 {
  margin: 0;
  font-family: var(--font);
  font-weight: 800;
  font-size: clamp(30px, 3.4vw, 48px);
  letter-spacing: -0.035em;
  color: var(--hx-ink);
}
.hx-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(12px, 1.6vw, 22px);
  margin: 0 0 26px; padding: 0;
  list-style: none;
}
.hx-steps li {
  padding: 22px 22px 24px;
  border-radius: 22px;
  background: var(--hx-glass);
  border: 1px solid var(--hx-edge);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow: var(--hx-shadow-sm);
}
.hx-step-num {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px;
  border-radius: 12px;
  color: #fff; font-weight: 800;
  background: linear-gradient(135deg, #ff8a2b, #ff4f8b);
  box-shadow: 0 8px 18px -8px rgba(255, 79, 139, 0.7);
}
.hx-steps h3 { margin: 14px 0 8px; font-size: 19px; font-weight: 800; letter-spacing: -0.01em; color: var(--hx-ink); }
.hx-steps p { margin: 0; color: var(--hx-muted); font-size: 15px; line-height: 1.55; }
.hx-start-cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 16px; }
.hx-start-cta p { margin: 0; font-size: 20px; font-weight: 800; color: var(--hx-ink); }

/* ——— адаптив ——— */
@media (max-width: 1180px) {
  .hx-win-body { grid-template-columns: 1fr; }
  .hx-win-side ul { grid-template-columns: 1fr 1fr; }
  .hx-win-side .hx-btn { align-self: flex-start; }
  .hx-qgrid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 980px) {
  .hx-hero {
    grid-template-columns: 1fr;
    grid-template-areas: "copy" "art" "more";
    min-height: 0;
    padding-top: 28px;
  }
  .hx-actions { margin-bottom: 28px; }
  .hx-row { grid-template-columns: 1fr; gap: 16px; }
  .hx-row-copy h3 { margin-bottom: 12px; }
  .hx-row-copy h3::after { margin-top: 12px; }
  .hx-steps { grid-template-columns: 1fr; }
  .hx-s1 { left: auto; right: 4%; top: 2%; width: 64px; height: 58px; }
  .hx-s2, .hx-s4 { display: none; }
}
@media (max-width: 640px) {
  body:has(#screen-home:not([hidden])) .top { border-radius: 22px; }
  .hx-hero { padding: 22px 4px 8px; gap: 22px; }
  .hx-kicker { font-size: 11.5px; letter-spacing: 0.1em; margin-bottom: 12px; }
  .hx-hero h1 { font-size: clamp(34px, 10.4vw, 46px); }
  .hx-actions { gap: 10px; }
  .hx-actions .hx-btn { flex: 1 1 100%; }
  .hx-facts li { padding: 0 16px; }
  .hx-grid { gap: 10px; }
  .hx-card { padding: 6px 6px 0; border-radius: 18px; }
  .hx-card video { border-radius: 12px; }
  .hx-card figcaption { padding: 8px 4px 10px; font-size: 13px; }
  .hx-inside { padding: 28px 4px 16px; gap: 34px; }
  .hx-win { padding: 8px 8px 10px; border-radius: 20px; }
  .hx-win-bar { gap: 8px; font-size: 11.5px; }
  .hx-win-brand { display: none; }
  .hx-win-nav b:not(.on) { display: none; }
  .hx-win-side { padding: 12px; }
  .hx-win-side ul { grid-template-columns: 1fr; }
  .hx-win-side .hx-btn { align-self: stretch; }
  .hx-qgrid { grid-template-columns: 1fr 1fr; }
  .hx-start { padding-inline: 4px; }
  .hx-steps li { padding: 18px; }
}

/* Без движения: фигуры и стрелка стоят, ролики показывают постер (см. home-reels.js). */
@media (prefers-reduced-motion: reduce) {
  .hx-shape, .hx-spark, .hx-more svg { animation: none; }
  .hx-card, .hx-btn { transition: none; }
  .hx-card:hover, .hx-btn:hover { transform: none; }
}