/*
 * Mangix real product experience — V3
 * Product interfaces, brand credibility and conversion layer.
 */

.experience-section {
  position: relative;
  padding: 132px 0 122px;
  color: #fff;
  background:
    linear-gradient(rgba(124, 230, 186, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124, 230, 186, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 12% 8%, rgba(88, 217, 232, 0.15), transparent 31%),
    radial-gradient(circle at 88% 52%, rgba(120, 104, 242, 0.18), transparent 32%),
    #071128;
  background-size: 54px 54px, 54px 54px, auto, auto, auto;
  overflow: hidden;
}

.experience-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 12%, transparent 88%, rgba(88, 217, 232, 0.045));
}

.experience-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  pointer-events: none;
}

.experience-orb-one {
  width: 360px;
  height: 360px;
  left: -250px;
  top: 420px;
  border: 1px solid rgba(88, 217, 232, 0.22);
  box-shadow: 0 0 100px rgba(88, 217, 232, 0.1), inset 0 0 70px rgba(88, 217, 232, 0.05);
}

.experience-orb-two {
  width: 520px;
  height: 520px;
  right: -390px;
  top: 70px;
  border: 1px solid rgba(120, 104, 242, 0.24);
  box-shadow: 0 0 120px rgba(120, 104, 242, 0.12), inset 0 0 90px rgba(120, 104, 242, 0.06);
}

.experience-heading {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.58fr);
  align-items: end;
  gap: 72px;
}

.experience-heading h2 {
  max-width: 760px;
  margin: 15px 0 0;
  color: #fff;
  font-size: clamp(44px, 5vw, 76px);
  line-height: 1.08;
  letter-spacing: -0.055em;
}

.experience-intro {
  padding: 0 0 10px;
}

.experience-intro > p {
  margin: 0;
  color: rgba(229, 239, 255, 0.7);
  font-size: 17px;
  line-height: 1.9;
}

.prototype-status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 22px;
  padding: 9px 13px;
  border: 1px solid rgba(124, 230, 186, 0.2);
  border-radius: 999px;
  color: #bff5df;
  background: rgba(124, 230, 186, 0.07);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.06em;
}

.prototype-status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 5px rgba(124, 230, 186, 0.1), 0 0 16px rgba(124, 230, 186, 0.7);
  animation: prototypePulse 2.2s ease-in-out infinite;
}

@keyframes prototypePulse {
  50% { opacity: 0.45; transform: scale(0.84); }
}

.demo-switcher {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 62px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.045);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
}

.demo-tab {
  display: flex;
  align-items: center;
  gap: 15px;
  min-width: 0;
  padding: 18px 20px;
  color: rgba(225, 235, 251, 0.63);
  text-align: left;
  border: 1px solid transparent;
  border-radius: 18px;
  background: transparent;
  cursor: pointer;
  transition: color 0.3s ease, background 0.3s ease, border-color 0.3s ease, transform 0.3s var(--ease);
}

.demo-tab:hover {
  color: #fff;
  transform: translateY(-2px);
}

.demo-tab.is-active {
  color: #fff;
  border-color: rgba(124, 230, 186, 0.28);
  background: linear-gradient(135deg, rgba(88, 217, 232, 0.15), rgba(120, 104, 242, 0.14));
  box-shadow: 0 14px 35px rgba(0, 5, 25, 0.24), inset 0 1px rgba(255, 255, 255, 0.08);
}

.demo-tab-no {
  display: grid;
  width: 39px;
  height: 39px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  color: var(--mint);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.12em;
  background: rgba(7, 17, 40, 0.45);
}

.demo-tab > span:last-child {
  min-width: 0;
}

.demo-tab strong,
.demo-tab small {
  display: block;
}

.demo-tab strong {
  font-size: 15px;
  letter-spacing: 0.01em;
}

.demo-tab small {
  margin-top: 5px;
  overflow: hidden;
  color: inherit;
  font-size: 11px;
  opacity: 0.64;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.demo-stage {
  position: relative;
  z-index: 1;
  margin-top: 24px;
}

.product-demo {
  animation: demoReveal 0.5s var(--ease) both;
}

.product-demo[hidden] {
  display: none;
}

@keyframes demoReveal {
  from { opacity: 0; transform: translateY(18px) scale(0.992); }
  to { opacity: 1; transform: none; }
}

.app-window {
  position: relative;
  min-height: 720px;
  color: #18223b;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 30px;
  background: #f5f8fc;
  box-shadow:
    0 52px 120px rgba(0, 4, 20, 0.58),
    0 0 0 8px rgba(255, 255, 255, 0.025),
    inset 0 1px #fff;
  overflow: hidden;
}

.app-window::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(16, 23, 53, 0.035);
}

.app-chrome {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 130px 1fr auto;
  align-items: center;
  min-height: 69px;
  padding: 0 25px;
  border-bottom: 1px solid rgba(16, 23, 53, 0.08);
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(18px);
}

.window-dots {
  display: flex;
  gap: 7px;
}

.window-dots i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #ff8d7d;
}

.window-dots i:nth-child(2) { background: var(--yellow); }
.window-dots i:nth-child(3) { background: var(--mint); }

.app-product-mark {
  display: flex;
  align-items: center;
  justify-self: start;
  gap: 9px;
}

.app-product-mark > span {
  display: grid;
  width: 31px;
  height: 31px;
  place-items: center;
  color: #fff;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  box-shadow: 0 7px 18px rgba(88, 217, 232, 0.26);
  font-size: 14px;
  font-weight: 900;
}

.app-product-mark strong {
  font-size: 14px;
}

.app-product-mark small {
  padding-left: 9px;
  color: #7d879a;
  border-left: 1px solid rgba(16, 23, 53, 0.12);
  font-size: 10px;
}

.app-chrome-actions {
  display: flex;
  align-items: center;
  gap: 15px;
  color: #7a8496;
  font-size: 11px;
}

.app-chrome-actions b { color: var(--violet); }

.app-chrome-actions button {
  width: 28px;
  height: 28px;
  color: var(--coral);
  border: 1px solid rgba(16, 23, 53, 0.08);
  border-radius: 9px;
  background: #fff;
}

.mini-avatar {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #fff;
  border: 3px solid #fff;
  border-radius: 12px;
  background: linear-gradient(145deg, #68ded5, #7669df);
  box-shadow: 0 5px 13px rgba(56, 67, 105, 0.18);
  font-size: 11px;
  font-weight: 900;
}

.app-layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  min-height: 651px;
}

.app-sidebar {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 28px 17px 20px;
  border-right: 1px solid rgba(16, 23, 53, 0.07);
  background: #eef3f8;
}

.app-sidebar > button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 13px;
  color: #6b7588;
  text-align: left;
  border: 0;
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
}

.app-sidebar > button span {
  width: 21px;
  color: #8d96a8;
  text-align: center;
}

.app-sidebar > button:hover,
.app-sidebar > button.is-current {
  color: #23304d;
  background: #fff;
  box-shadow: 0 8px 22px rgba(36, 49, 78, 0.08);
}

.app-sidebar > button.is-current span { color: var(--violet); }

.sidebar-goal {
  margin-top: auto;
  padding: 15px;
  border: 1px solid rgba(120, 104, 242, 0.12);
  border-radius: 15px;
  background: linear-gradient(145deg, #fff, #f7f5ff);
}

.sidebar-goal small,
.sidebar-goal strong { display: block; }
.sidebar-goal small { color: #7c8597; font-size: 9px; }
.sidebar-goal strong { margin-top: 5px; font-size: 18px; }
.sidebar-goal strong span { color: var(--violet); }
.sidebar-goal > div { height: 5px; margin-top: 10px; border-radius: 99px; background: #e6e9f0; overflow: hidden; }
.sidebar-goal > div i { display: block; width: 60%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--cyan), var(--violet)); transition: width 0.45s var(--ease); }
.sidebar-goal p { margin: 8px 0 0; color: #8992a2; font-size: 9px; }

.vocab-workspace {
  padding: 27px 30px 24px;
  background:
    radial-gradient(circle at 92% 7%, rgba(124, 230, 186, 0.13), transparent 25%),
    #f7f9fc;
}

.workspace-toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 21px;
}

.workspace-label {
  color: #8f98a9;
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.17em;
}

.workspace-toolbar h3 {
  margin: 5px 0 0;
  font-size: 22px;
}

.review-counter {
  display: flex;
  align-items: baseline;
  gap: 3px;
  color: #8a93a4;
  font-size: 11px;
}

.review-counter strong {
  color: var(--violet);
  font-size: 20px;
}

.vocab-learning-grid {
  display: grid;
  grid-template-columns: minmax(360px, 1.15fr) minmax(260px, 0.85fr);
  gap: 18px;
}

.visual-word-panel,
.memory-comic-panel {
  min-width: 0;
  border: 1px solid rgba(16, 23, 53, 0.08);
  border-radius: 21px;
  background: #fff;
  box-shadow: 0 16px 38px rgba(40, 52, 84, 0.08);
}

.visual-word-panel {
  padding: 24px;
}

.word-meta,
.word-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.word-meta > span {
  color: var(--violet);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.word-meta button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  color: #56617a;
  border: 1px solid rgba(16, 23, 53, 0.08);
  border-radius: 10px;
  background: #f7f9fc;
  cursor: pointer;
}

.word-meta button i {
  width: 10px;
  height: 10px;
  border: 3px solid var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(88, 217, 232, 0.12);
}

.word-meta button.is-speaking i { animation: speakPulse 0.75s ease-in-out infinite alternate; }
@keyframes speakPulse { to { transform: scale(1.35); box-shadow: 0 0 0 7px rgba(88, 217, 232, 0.05); } }

.word-main { margin-top: 22px; }
.word-main > div strong,
.word-main > div span { display: block; }
.word-main > div strong { color: #141c32; font-family: Georgia, serif; font-size: clamp(35px, 3.2vw, 51px); line-height: 1; letter-spacing: -0.04em; }
.word-main > div span { margin-top: 8px; color: #7a8497; font-family: Georgia, serif; font-size: 13px; }

.mastery-tag {
  padding: 8px 11px;
  color: #2b8c73;
  border: 1px solid rgba(124, 230, 186, 0.38);
  border-radius: 999px;
  background: rgba(124, 230, 186, 0.13);
  font-size: 9px;
  font-weight: 800;
}

.word-cn { margin: 17px 0 0; color: #44516a; font-size: 13px; font-weight: 700; }

.root-visual {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin-top: 21px;
  padding: 15px;
  border-radius: 15px;
  background: #f4f7fb;
}

.root-piece {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 9px;
  color: #566279;
  border-radius: 9px;
  background: #fff;
  font-family: Georgia, serif;
  font-size: 15px;
  font-weight: 700;
  box-shadow: 0 3px 10px rgba(35, 48, 79, 0.06);
}

.root-piece.featured { color: #fff; background: linear-gradient(135deg, var(--violet), #9c7bf4); }
.root-piece small { font-family: inherit; font-size: 8px; font-weight: 600; opacity: 0.65; }
.root-visual > b { color: #b1b8c5; font-size: 11px; }
.root-visual > p { width: 100%; margin: 3px 0 0; color: #68738a; font-size: 10px; }

.example-sentence {
  margin-top: 17px;
  padding-left: 13px;
  border-left: 3px solid var(--yellow);
}

.example-sentence > span { color: #a18c4c; font-size: 7px; font-weight: 900; letter-spacing: 0.16em; }
.example-sentence p { margin: 5px 0 0; color: #2f3b54; font-family: Georgia, serif; font-size: 12px; line-height: 1.5; }
.example-sentence mark { color: #6d5be1; background: rgba(120, 104, 242, 0.1); }
.example-sentence small { display: block; margin-top: 4px; color: #8891a1; font-size: 9px; }

.memory-comic-panel {
  position: relative;
  min-height: 356px;
  margin: 0;
  overflow: hidden;
  background: #0f1c41;
}

.memory-comic-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 44%, rgba(7, 17, 40, 0.9));
  pointer-events: none;
}

.memory-comic-panel img { width: 100%; height: 100%; object-fit: cover; }
.memory-comic-panel figcaption { position: absolute; z-index: 2; right: 17px; bottom: 17px; left: 17px; }
.memory-comic-panel figcaption span,
.memory-comic-panel figcaption strong { display: block; color: #fff; }
.memory-comic-panel figcaption span { color: var(--mint); font-size: 8px; font-weight: 900; letter-spacing: 0.13em; }
.memory-comic-panel figcaption strong { margin-top: 6px; font-size: 15px; }
.memory-comic-panel figcaption p { margin: 6px 0 0; color: rgba(236, 243, 255, 0.68); font-size: 9px; line-height: 1.5; }

.review-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 17px;
  padding: 14px 16px;
  border: 1px solid rgba(16, 23, 53, 0.07);
  border-radius: 17px;
  background: #fff;
}

.review-actions > p { max-width: 180px; margin: 0; color: #778196; font-size: 10px; line-height: 1.5; }
.review-actions > p.is-success { color: #21866c; font-weight: 700; }
.review-actions > div { display: flex; gap: 8px; }
.review-actions button { display: grid; grid-template-columns: 26px auto; grid-template-rows: auto auto; column-gap: 8px; align-items: center; min-width: 120px; padding: 8px 11px; color: #59647a; text-align: left; border: 1px solid rgba(16, 23, 53, 0.08); border-radius: 11px; background: #f8f9fc; cursor: pointer; transition: transform 0.25s var(--ease), border-color 0.25s ease, background 0.25s ease; }
.review-actions button:hover { transform: translateY(-2px); border-color: rgba(120, 104, 242, 0.25); background: #fff; }
.review-actions button span { grid-row: 1 / 3; display: grid; width: 26px; height: 26px; place-items: center; border-radius: 8px; background: #eceff5; font-weight: 900; }
.review-actions button strong { font-size: 10px; }
.review-actions button small { color: #9aa2b0; font-size: 8px; }
.review-actions button:last-child span { color: #17745e; background: rgba(124, 230, 186, 0.2); }

.demo-caption {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  align-items: start;
  gap: 16px;
  max-width: 920px;
  margin: 25px auto 0;
}
.demo-caption > span { display: grid; width: 42px; height: 42px; place-items: center; color: var(--mint); border: 1px solid rgba(124, 230, 186, 0.25); border-radius: 13px; font-size: 10px; font-weight: 900; }
.demo-caption p { margin: 2px 0 0; color: rgba(228, 237, 252, 0.65); font-size: 14px; line-height: 1.75; }
.demo-caption strong { color: #fff; }

/* Listening product */
.listening-mark > span { background: linear-gradient(135deg, var(--cyan), #4c71eb); }
.listening-dashboard { display: grid; grid-template-columns: 205px minmax(480px, 1fr) 228px; min-height: 651px; }
.listen-library { padding: 25px 14px; border-right: 1px solid rgba(16, 23, 53, 0.07); background: #eef3f8; }
.library-title { display: flex; align-items: center; justify-content: space-between; padding: 0 7px 15px; color: #7b8598; font-size: 8px; font-weight: 900; letter-spacing: 0.14em; }
.library-title button { display: grid; width: 24px; height: 24px; place-items: center; color: #fff; border: 0; border-radius: 8px; background: var(--violet); cursor: pointer; }
.audio-item { display: flex; align-items: center; gap: 10px; width: 100%; margin-bottom: 7px; padding: 10px; color: #5d687d; text-align: left; border: 1px solid transparent; border-radius: 13px; background: transparent; cursor: pointer; }
.audio-item:hover,
.audio-item.is-current { color: #17213a; border-color: rgba(16, 23, 53, 0.06); background: #fff; box-shadow: 0 7px 18px rgba(37, 49, 77, 0.07); }
.audio-cover { display: grid; width: 38px; height: 38px; flex: 0 0 auto; place-items: center; color: #fff; border-radius: 11px; font-style: normal; font-weight: 900; }
.audio-cover.curiosity { background: linear-gradient(145deg, #5adbe2, #7266ee); }
.audio-cover.ocean { background: linear-gradient(145deg, #4b9eea, #152e6e); }
.audio-cover.city { background: linear-gradient(145deg, #ffbc72, #ff7b79); }
.audio-item span { min-width: 0; }
.audio-item strong,
.audio-item small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.audio-item strong { font-size: 10px; }
.audio-item small { margin-top: 4px; color: #949cab; font-size: 8px; }
.listen-streak { margin-top: 22px; padding: 14px; border-radius: 14px; background: #fff; }
.listen-streak > span { color: #929aa9; font-size: 8px; }
.listen-streak strong { display: block; margin-top: 5px; font-size: 15px; }
.listen-streak > div { display: flex; gap: 5px; margin-top: 12px; }
.listen-streak i { width: 20px; height: 5px; border-radius: 99px; background: var(--cyan); }
.listen-streak i.empty { background: #e4e8ee; }

.listen-studio { padding: 26px 25px; background: #f8fafc; }
.listen-title-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.listen-title-row span { color: #6a75d9; font-size: 8px; font-weight: 900; letter-spacing: 0.13em; }
.listen-title-row h3 { margin: 6px 0 0; font-family: Georgia, serif; font-size: 20px; }
.listen-title-row p { margin: 5px 0 0; color: #7c8697; font-size: 10px; }
.echo-badge { padding: 7px 10px; color: #276c73; border: 1px solid rgba(88, 217, 232, 0.3); border-radius: 999px; background: rgba(88, 217, 232, 0.1); font-size: 8px; font-weight: 900; cursor: pointer; }
.waveform-shell { margin-top: 22px; padding: 18px 18px 15px; border: 1px solid rgba(16, 23, 53, 0.07); border-radius: 17px; background: #fff; box-shadow: 0 12px 30px rgba(35, 48, 78, 0.06); }
.wave-timer { text-align: right; color: #25314c; font-size: 11px; font-variant-numeric: tabular-nums; }
.wave-timer small { color: #9ba3b1; }
.waveform { position: relative; display: flex; align-items: center; gap: 4px; height: 66px; margin: 4px 0 7px; overflow: hidden; }
.waveform::before { content: ""; position: absolute; z-index: 0; top: 0; bottom: 0; left: 0; width: var(--listen-progress, 32%); background: linear-gradient(90deg, rgba(88, 217, 232, 0.11), rgba(120, 104, 242, 0.06)); border-right: 1px solid var(--violet); transition: width 0.4s linear; }
.waveform i { position: relative; z-index: 1; width: 4px; height: calc(18px + (var(--wave, 1) * 7px)); flex: 1; max-width: 8px; border-radius: 99px; background: #cbd4df; transform-origin: center; }
.waveform i:nth-child(3n) { --wave: 3; }
.waveform i:nth-child(4n) { --wave: 5; }
.waveform i:nth-child(5n) { --wave: 2; }
.waveform i:nth-child(7n) { --wave: 6; }
.waveform.is-playing i { background: linear-gradient(180deg, var(--cyan), var(--violet)); animation: waveDance 0.72s ease-in-out infinite alternate; animation-delay: calc(var(--wave, 1) * -0.07s); }
@keyframes waveDance { to { transform: scaleY(0.46); opacity: 0.75; } }
.listen-controls { display: flex; align-items: center; justify-content: center; gap: 16px; }
.listen-controls button { color: #788297; border: 0; background: transparent; font-size: 9px; cursor: pointer; }
.listen-controls .main-play { display: grid; width: 38px; height: 38px; place-items: center; color: #fff; border-radius: 50%; background: linear-gradient(145deg, var(--cyan), var(--violet)); box-shadow: 0 8px 20px rgba(88, 217, 232, 0.28); font-size: 13px; }
.listen-controls .main-play span { margin-left: 2px; }
.listen-controls .speed-control { padding: 6px 9px; border: 1px solid rgba(16, 23, 53, 0.08); border-radius: 8px; background: #f5f7fa; }
.transcript-panel { margin-top: 17px; border: 1px solid rgba(16, 23, 53, 0.07); border-radius: 17px; background: #fff; overflow: hidden; }
.transcript-toolbar { display: flex; align-items: center; justify-content: space-between; padding: 11px 14px; border-bottom: 1px solid rgba(16, 23, 53, 0.07); color: #6f7a90; font-size: 9px; }
.transcript-toolbar div { display: flex; gap: 4px; }
.transcript-toolbar button { padding: 3px 6px; color: #9aa3b1; border: 1px solid #e4e7ec; border-radius: 5px; background: #fff; font-size: 7px; }
.transcript-toolbar button.is-on { color: #5047c8; border-color: rgba(120, 104, 242, 0.2); background: rgba(120, 104, 242, 0.07); }
.transcript-line { position: relative; display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 8px; width: 100%; padding: 12px 14px; color: #727c8e; text-align: left; border: 0; border-bottom: 1px solid rgba(16, 23, 53, 0.055); background: #fff; cursor: pointer; }
.transcript-line:last-child { border-bottom: 0; }
.transcript-line > span { color: #a0a7b4; font-size: 8px; font-variant-numeric: tabular-nums; }
.transcript-line p { margin: 0; }
.transcript-line strong,
.transcript-line small { display: block; }
.transcript-line strong { color: #414c62; font-family: Georgia, serif; font-size: 9px; line-height: 1.45; }
.transcript-line small { margin-top: 3px; color: #8c95a4; font-size: 8px; }
.transcript-line.is-active { background: linear-gradient(90deg, rgba(88, 217, 232, 0.1), rgba(120, 104, 242, 0.045)); }
.transcript-line.is-active::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--cyan); }
.transcript-line.is-active strong { color: #26344f; }
.transcript-line > i { position: absolute; top: 11px; right: 11px; color: #2b9d92; font-size: 7px; font-style: normal; }

.voice-coach { padding: 25px 18px; border-left: 1px solid rgba(16, 23, 53, 0.07); background: #f1f4fa; }
.coach-title { display: flex; align-items: center; justify-content: space-between; color: #68738a; font-size: 8px; font-weight: 900; letter-spacing: 0.1em; }
.coach-title i { display: flex; align-items: center; gap: 5px; color: #2d967b; font-style: normal; font-weight: 700; letter-spacing: 0; }
.coach-title i::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--mint); }
.score-orbit { display: grid; width: 118px; height: 118px; margin: 26px auto 22px; place-content: center; text-align: center; border-radius: 50%; background: conic-gradient(var(--cyan) 0 51%, var(--violet) 51% 86%, #dde3ec 86%); position: relative; }
.score-orbit::before { content: ""; position: absolute; inset: 9px; border-radius: 50%; background: #f1f4fa; }
.score-orbit strong,
.score-orbit span { position: relative; z-index: 1; display: block; }
.score-orbit strong { font-size: 31px; line-height: 1; }
.score-orbit span { margin-top: 5px; color: #8790a1; font-size: 8px; }
.score-list p { display: flex; justify-content: space-between; margin: 9px 0 4px; color: #6f798e; font-size: 8px; }
.score-list p strong { color: #344057; }
.score-list > div { height: 4px; border-radius: 99px; background: #dde3eb; overflow: hidden; }
.score-list > div i { display: block; width: var(--score); height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--cyan), var(--violet)); }
.coach-tip { margin-top: 20px; padding: 13px; border: 1px solid rgba(120, 104, 242, 0.12); border-radius: 13px; background: #fff; }
.coach-tip span { color: var(--violet); font-size: 7px; font-weight: 900; letter-spacing: 0.1em; }
.coach-tip p { margin: 7px 0 0; color: #626e84; font-size: 8px; line-height: 1.6; }
.coach-tip mark { color: #5f51d4; background: rgba(120, 104, 242, 0.09); }
.record-again { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; margin-top: 15px; padding: 10px; color: #fff; border: 0; border-radius: 11px; background: #172448; font-size: 9px; cursor: pointer; }
.record-again i { width: 7px; height: 7px; border: 2px solid #fff; border-radius: 50%; }

/* Schedule product */
.schedule-mark > span { color: #8a3c39; background: linear-gradient(145deg, var(--yellow), var(--coral)); font-size: 10px; }
.family-switch { display: flex; gap: 5px; padding: 4px; border: 1px solid rgba(16, 23, 53, 0.07); border-radius: 11px; background: #f4f6f9; }
.family-switch button { display: flex; align-items: center; gap: 5px; padding: 6px 9px; color: #7a8495; border: 0; border-radius: 8px; background: transparent; font-size: 9px; cursor: pointer; }
.family-switch button.is-active { color: #26324a; background: #fff; box-shadow: 0 4px 12px rgba(30, 42, 70, 0.08); }
.family-switch i { width: 7px; height: 7px; border-radius: 50%; }
.girl-dot { background: var(--mint); }
.boy-dot { background: var(--violet); }
.schedule-dashboard { display: grid; grid-template-columns: 205px minmax(600px, 1fr) 220px; min-height: 651px; }
.schedule-side { padding: 22px 15px; border-right: 1px solid rgba(16, 23, 53, 0.07); background: #f0f4f8; }
.month-mini { padding: 14px; border-radius: 15px; background: #fff; box-shadow: 0 8px 22px rgba(31, 45, 72, 0.06); }
.month-mini > div { display: flex; align-items: center; justify-content: space-between; }
.month-mini > div strong { font-size: 10px; }
.month-mini button { color: #7e8798; border: 0; background: transparent; cursor: pointer; }
.month-mini ol { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin: 14px 0 0; padding: 0; list-style: none; }
.month-mini li { position: relative; display: grid; height: 20px; place-items: center; color: #8a93a2; border-radius: 6px; font-size: 7px; }
.month-mini li:nth-child(-n+7) { color: #aab0bb; font-weight: 700; }
.month-mini li.has-class::after { content: ""; position: absolute; bottom: 1px; width: 3px; height: 3px; border-radius: 50%; background: var(--coral); }
.month-mini li.is-today { color: #fff; background: var(--violet); }
.course-balance { margin-top: 15px; }
.course-balance > span { display: block; margin: 0 5px 8px; color: #818b9d; font-size: 8px; font-weight: 800; }
.course-balance > div { display: grid; grid-template-columns: 33px 1fr auto; align-items: center; gap: 8px; margin-bottom: 7px; padding: 10px; border-radius: 12px; background: #fff; }
.balance-icon { display: grid; width: 32px; height: 32px; place-items: center; color: #fff; border-radius: 10px; font-size: 8px; font-style: normal; font-weight: 900; }
.balance-icon.english { background: linear-gradient(145deg, var(--cyan), #4f75e6); }
.balance-icon.robot { background: linear-gradient(145deg, var(--violet), #aa75e9); }
.course-balance p { margin: 0; }
.course-balance p strong,
.course-balance p small { display: block; }
.course-balance p strong { font-size: 9px; }
.course-balance p small { margin-top: 3px; color: #929aaa; font-size: 7px; }
.course-balance > div > b { color: #48536a; font-size: 15px; }
.course-balance > button { width: 100%; padding: 8px; color: #6f62da; border: 0; background: transparent; font-size: 8px; cursor: pointer; }
.week-calendar { min-width: 0; padding: 22px 17px 17px; background: #f8fafc; }
.week-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.week-toolbar > div { display: flex; gap: 4px; }
.week-toolbar button { padding: 6px 8px; color: #6d7789; border: 1px solid rgba(16, 23, 53, 0.08); border-radius: 7px; background: #fff; font-size: 8px; cursor: pointer; }
.week-toolbar h3 { margin: 0; font-size: 13px; }
.week-toolbar .add-course { color: #fff; border-color: transparent; background: var(--violet); }
.week-grid { display: grid; grid-template-columns: 42px repeat(7, minmax(62px, 1fr)); height: 540px; border: 1px solid rgba(16, 23, 53, 0.07); border-radius: 14px; background: #fff; overflow: hidden; }
.time-axis { display: grid; grid-template-rows: 49px repeat(6, 1fr); border-right: 1px solid rgba(16, 23, 53, 0.06); color: #a0a7b3; font-size: 7px; text-align: center; }
.time-axis span { grid-row: span 1; padding-top: 7px; border-top: 1px solid rgba(16, 23, 53, 0.055); }
.time-axis span:first-child { grid-row: 2; }
.day-column { position: relative; min-width: 0; border-right: 1px solid rgba(16, 23, 53, 0.055); background: repeating-linear-gradient(180deg, transparent 0, transparent calc((100% - 49px) / 6 - 1px), rgba(16, 23, 53, 0.052) calc((100% - 49px) / 6 - 1px), rgba(16, 23, 53, 0.052) calc((100% - 49px) / 6)); }
.day-column:last-child { border-right: 0; }
.day-column > header { display: flex; align-items: center; justify-content: center; gap: 5px; height: 49px; border-bottom: 1px solid rgba(16, 23, 53, 0.06); color: #7b8495; font-size: 8px; }
.day-column > header strong { display: grid; width: 22px; height: 22px; place-items: center; border-radius: 7px; font-size: 9px; }
.day-column.is-today > header { color: #5548cc; background: rgba(120, 104, 242, 0.045); }
.day-column.is-today > header strong { color: #fff; background: var(--violet); }
.class-event { position: absolute; z-index: 2; top: var(--top); right: 5px; left: 5px; height: var(--span); min-height: 67px; padding: 7px; border-left: 3px solid currentColor; border-radius: 7px; overflow: hidden; transition: opacity 0.3s ease, transform 0.3s var(--ease), filter 0.3s ease; }
.class-event:hover { z-index: 4; transform: scale(1.04); filter: saturate(1.12); }
.class-event.is-filtered { opacity: 0.12; transform: scale(0.96); pointer-events: none; }
.class-event small,
.class-event strong,
.class-event span { display: block; }
.class-event small { font-size: 6px; opacity: 0.72; }
.class-event strong { margin-top: 4px; font-size: 8px; }
.class-event span { margin-top: 3px; overflow: hidden; font-size: 6px; opacity: 0.72; text-overflow: ellipsis; white-space: nowrap; }
.mint-event { color: #18866e; background: rgba(124, 230, 186, 0.26); }
.violet-event { color: #6152d0; background: rgba(120, 104, 242, 0.16); }
.yellow-event { color: #a26e18; background: rgba(255, 213, 106, 0.28); }
.coral-event { color: #b84f49; background: rgba(255, 141, 125, 0.22); }
.current-time { position: absolute; z-index: 3; top: var(--now); right: 0; left: 0; height: 1px; background: var(--coral); }
.current-time::before { content: ""; position: absolute; top: -3px; left: -3px; width: 7px; height: 7px; border-radius: 50%; background: var(--coral); }
.upcoming-card { padding: 24px 17px; border-left: 1px solid rgba(16, 23, 53, 0.07); background: linear-gradient(180deg, #f1f4fa, #eef2f7); }
.upcoming-kicker { color: var(--violet); font-size: 8px; font-weight: 900; letter-spacing: 0.13em; }
.next-time { margin-top: 18px; padding-bottom: 17px; border-bottom: 1px solid rgba(16, 23, 53, 0.08); }
.next-time strong { display: block; font-size: 32px; line-height: 1; }
.next-time small { display: block; margin-top: 6px; color: #7f8999; font-size: 8px; }
.next-course { display: flex; align-items: center; gap: 9px; margin-top: 17px; }
.next-course > i { display: grid; width: 37px; height: 37px; place-items: center; color: #fff; border-radius: 11px; background: linear-gradient(145deg, var(--cyan), #4f76e9); font-size: 9px; font-style: normal; font-weight: 900; }
.next-course strong,
.next-course span { display: block; }
.next-course strong { font-size: 11px; }
.next-course span { margin-top: 3px; color: #858e9e; font-size: 8px; }
.upcoming-card ul { margin: 18px 0; padding: 0; list-style: none; }
.upcoming-card li { display: flex; justify-content: space-between; padding: 8px 0; color: #858e9e; border-bottom: 1px solid rgba(16, 23, 53, 0.06); font-size: 8px; }
.upcoming-card li strong { color: #465168; }
.upcoming-card > button { width: 100%; padding: 10px; color: #fff; border: 0; border-radius: 10px; background: #172448; font-size: 9px; cursor: pointer; }
.upcoming-card > p { display: flex; align-items: center; gap: 6px; margin: 12px 0 0; color: #6c8f83; font-size: 7px; }
.upcoming-card > p i { width: 6px; height: 6px; border-radius: 50%; background: var(--mint); }

/* The remaining three product interfaces */
.ecosystem-ui-heading { margin-top: 112px; text-align: center; }
.ecosystem-ui-heading span { color: var(--mint); font-size: 9px; font-weight: 900; letter-spacing: 0.2em; }
.ecosystem-ui-heading h3 { margin: 10px 0 0; color: #fff; font-size: clamp(25px, 3vw, 38px); letter-spacing: -0.035em; }
.ecosystem-ui-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 17px; margin-top: 34px; }
.mini-ui-card { min-width: 0; color: #17213a; border: 1px solid rgba(255, 255, 255, 0.16); border-radius: 24px; background: #f5f8fb; box-shadow: 0 28px 64px rgba(0, 4, 20, 0.36); overflow: hidden; transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease); }
.mini-ui-card:hover { transform: translateY(-8px); box-shadow: 0 38px 75px rgba(0, 4, 20, 0.5); }
.mini-ui-card > header { display: flex; align-items: center; gap: 7px; height: 52px; padding: 0 15px; border-bottom: 1px solid rgba(16, 23, 53, 0.07); background: #fff; }
.mini-ui-card > header span { font-size: 11px; font-weight: 800; }
.mini-ui-card > header small { color: #8c95a4; font-size: 8px; }
.mini-ui-card > header button { margin-left: auto; padding: 5px 7px; color: #6559d0; border: 1px solid rgba(120, 104, 242, 0.16); border-radius: 7px; background: rgba(120, 104, 242, 0.06); font-size: 7px; }
.mini-ui-card > footer { display: flex; align-items: center; gap: 9px; min-height: 49px; padding: 10px 15px; border-top: 1px solid rgba(16, 23, 53, 0.07); background: #fff; }
.mini-ui-card > footer span { color: #7d8799; font-size: 7px; }
.mini-ui-card > footer strong { margin-left: auto; color: #455168; font-size: 8px; }
.knowledge-canvas { position: relative; height: 290px; background: radial-gradient(circle at center, rgba(88, 217, 232, 0.14), transparent 43%), linear-gradient(rgba(16, 23, 53, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(16, 23, 53, 0.035) 1px, transparent 1px), #f6f9fc; background-size: auto, 24px 24px, 24px 24px, auto; overflow: hidden; }
.knowledge-canvas svg { position: absolute; inset: 0; width: 100%; height: 100%; fill: rgba(120, 104, 242, 0.07); stroke: rgba(88, 217, 232, 0.5); stroke-width: 2; }
.knowledge-core { position: absolute; z-index: 2; top: 50%; left: 50%; display: grid; width: 98px; height: 98px; place-content: center; text-align: center; border: 1px solid rgba(88, 217, 232, 0.5); border-radius: 29px; background: linear-gradient(145deg, #172b62, #5e50cd); box-shadow: 0 16px 35px rgba(47, 56, 111, 0.3); transform: translate(-50%, -50%) rotate(3deg); }
.knowledge-core span,
.knowledge-core strong,
.knowledge-core small { display: block; color: #fff; }
.knowledge-core span { color: var(--mint); font-size: 6px; font-weight: 900; letter-spacing: 0.12em; }
.knowledge-core strong { margin-top: 5px; font-size: 23px; }
.knowledge-core small { margin-top: 3px; font-size: 7px; opacity: 0.62; }
.knowledge-node { position: absolute; z-index: 2; display: grid; width: 52px; height: 52px; place-items: center; color: #5c50c8; border: 1px solid rgba(120, 104, 242, 0.18); border-radius: 17px; background: #fff; box-shadow: 0 8px 20px rgba(40, 52, 82, 0.11); font-size: 17px; font-style: normal; }
.knowledge-node b { position: absolute; top: 57px; color: #6d778a; font-size: 7px; white-space: nowrap; }
.node-sun { top: 26px; left: 18%; }
.node-food { top: 25px; right: 17%; }
.node-motion { right: 13%; bottom: 27px; }
.node-city { bottom: 25px; left: 15%; }
.mini-ui-card > footer > div { display: flex; gap: 3px; }
.mini-ui-card > footer > div i { width: 13px; height: 4px; border-radius: 99px; background: var(--cyan); }
.mini-ui-card > footer > div i:nth-child(3),
.mini-ui-card > footer > div i:nth-child(4) { background: var(--violet); }
.anime-screen { position: relative; height: 290px; background: #101b3b; overflow: hidden; }
.anime-screen::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7, 17, 40, 0.05), rgba(7, 17, 40, 0.76)); }
.anime-screen img { width: 100%; height: 100%; object-fit: cover; }
.anime-overlay { position: absolute; z-index: 2; inset: 0; display: grid; place-content: center; text-align: center; }
.anime-overlay span { color: #fff; font-size: 14px; font-weight: 800; text-shadow: 0 3px 14px rgba(0, 0, 0, 0.45); }
.anime-overlay button { display: grid; width: 52px; height: 52px; margin: 14px auto 0; place-items: center; color: #fff; border: 1px solid rgba(255, 255, 255, 0.54); border-radius: 50%; background: rgba(7, 17, 40, 0.54); backdrop-filter: blur(8px); cursor: pointer; }
.anime-overlay button:hover { transform: scale(1.08); background: var(--violet); }
.anime-overlay p { margin: 8px 0 0; color: rgba(255, 255, 255, 0.7); font-size: 8px; }
.anime-player-ui footer { display: grid; grid-template-columns: 1fr auto; gap: 5px 8px; }
.episode-progress { grid-column: 1 / 3; height: 4px; border-radius: 99px; background: #e2e7ed; }
.episode-progress i { display: block; width: 42%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--cyan), var(--violet)); }
.anime-player-ui footer strong { grid-column: 1 / 3; margin: 0; }
.console-body { display: grid; grid-template-columns: 78px minmax(0, 1fr); height: 290px; background: #f6f8fb; }
.console-body > aside { display: flex; flex-direction: column; gap: 5px; padding: 14px 8px; border-right: 1px solid rgba(16, 23, 53, 0.06); background: #edf2f7; }
.console-body > aside i { padding: 7px; color: #7d8798; border-radius: 7px; font-size: 7px; font-style: normal; }
.console-body > aside i.is-current { color: #5147c1; background: #fff; box-shadow: 0 4px 10px rgba(33, 45, 72, 0.07); }
.console-main { padding: 16px 13px; }
.console-top { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.console-top > span { padding: 10px; color: #7a8496; border: 1px solid rgba(16, 23, 53, 0.06); border-radius: 11px; background: #fff; font-size: 7px; }
.console-top strong,
.console-top small { display: block; }
.console-top strong { margin-top: 6px; color: #1e2941; font-size: 17px; }
.console-top small { margin-top: 3px; color: #3ca48a; font-size: 6px; }
.console-chart { margin-top: 10px; padding: 11px; border: 1px solid rgba(16, 23, 53, 0.06); border-radius: 11px; background: #fff; }
.console-chart > span { color: #6c7689; font-size: 7px; font-weight: 700; }
.console-chart svg { display: block; width: 100%; height: 126px; margin-top: 4px; }
.chart-area { fill: url(#consoleArea); }
.chart-line { fill: none; stroke: var(--cyan); stroke-width: 4; stroke-linecap: round; }
.custom-console-ui > footer span { display: flex; align-items: center; gap: 5px; color: #2c9278; }
.custom-console-ui > footer span i { width: 6px; height: 6px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 8px rgba(124, 230, 186, 0.7); }

/* About / credibility */
.about-section { position: relative; padding: 132px 0; background: #eef3f6; overflow: hidden; }
.about-section::before { content: "MANGIX"; position: absolute; right: -0.05em; bottom: -0.2em; color: rgba(16, 23, 53, 0.025); font-size: clamp(150px, 23vw, 360px); font-weight: 950; letter-spacing: -0.08em; pointer-events: none; }
.about-shell { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(380px, 0.78fr) minmax(590px, 1.22fr); gap: 88px; align-items: center; }
.about-manifesto h2 { max-width: 650px; margin: 15px 0 0; color: var(--navy); font-size: clamp(43px, 4.4vw, 66px); line-height: 1.11; letter-spacing: -0.055em; }
.about-manifesto > p:not(.section-kicker) { max-width: 620px; margin: 28px 0 0; color: #586478; font-size: 16px; line-height: 1.92; }
.about-signature { display: inline-flex; align-items: center; gap: 13px; margin-top: 31px; padding-top: 19px; border-top: 1px solid rgba(16, 23, 53, 0.12); }
.about-signature span { color: var(--navy); font-family: Georgia, "Songti SC", serif; font-size: 20px; font-weight: 800; }
.about-signature small { max-width: 130px; color: #8892a1; font-size: 7px; font-weight: 850; line-height: 1.4; letter-spacing: 0.12em; }
.capability-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.capability-card { position: relative; min-height: 245px; padding: 25px; border: 1px solid rgba(16, 23, 53, 0.075); border-radius: 24px; background: rgba(255, 255, 255, 0.76); box-shadow: 0 18px 42px rgba(37, 49, 78, 0.06); overflow: hidden; transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), background 0.4s ease; }
.capability-card:hover { z-index: 2; transform: translateY(-7px) rotate(-0.7deg); background: #fff; box-shadow: 0 28px 58px rgba(37, 49, 78, 0.12); }
.capability-card > span { position: absolute; top: 20px; right: 20px; color: #a0a9b7; font-size: 8px; font-weight: 900; letter-spacing: 0.14em; }
.capability-symbol { position: relative; display: grid; width: 61px; height: 61px; place-items: center; border-radius: 19px; background: #f1f6f8; overflow: hidden; }
.capability-symbol i { position: absolute; width: 44px; height: 44px; border: 1px solid currentColor; border-radius: 50%; opacity: 0.24; }
.capability-symbol b { position: relative; z-index: 1; color: var(--violet); font-size: 18px; }
.vision-symbol { color: var(--cyan); background: rgba(88, 217, 232, 0.13); }
.story-symbol { color: var(--coral); background: rgba(255, 141, 125, 0.12); }
.story-symbol b { color: var(--coral); }
.ai-symbol { color: var(--violet); background: rgba(120, 104, 242, 0.1); }
.ai-symbol b { font-size: 14px; }
.product-symbol { color: #39b989; background: rgba(124, 230, 186, 0.15); }
.product-symbol b { color: #27a67d; }
.capability-card h3 { margin: 18px 0 0; color: #18213a; font-size: 18px; }
.capability-card p { margin: 9px 0 0; color: #687489; font-size: 12px; line-height: 1.7; }
.capability-card > small { position: absolute; bottom: 20px; left: 25px; color: #a0a8b5; font-size: 7px; font-weight: 900; letter-spacing: 0.15em; }

/* Collaboration / conversion */
.collaboration-section { position: relative; padding: 126px 0 74px; color: #fff; background: #0b1430; overflow: hidden; }
.collaboration-section::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 15% 15%, rgba(88, 217, 232, 0.14), transparent 33%), radial-gradient(circle at 86% 72%, rgba(120, 104, 242, 0.2), transparent 31%); pointer-events: none; }
.collaboration-glow { position: absolute; top: 90px; left: 50%; width: 920px; height: 1px; background: linear-gradient(90deg, transparent, rgba(124, 230, 186, 0.5), transparent); transform: translateX(-50%); box-shadow: 0 0 60px rgba(88, 217, 232, 0.35); }
.collaboration-shell-upgraded { position: relative; display: grid; grid-template-columns: minmax(370px, 0.78fr) minmax(610px, 1.22fr); gap: 74px; align-items: start; }
.collaboration-copy h2 { max-width: 690px; margin: 14px 0 0; color: #fff; font-size: clamp(46px, 4.9vw, 72px); line-height: 1.08; letter-spacing: -0.055em; }
.collaboration-copy > p:not(.section-kicker) { max-width: 570px; margin: 25px 0 0; color: rgba(229, 238, 255, 0.68); font-size: 15px; line-height: 1.9; }
.collaboration-audiences { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.collaboration-audiences span { padding: 8px 11px; color: #dce8fb; border: 1px solid rgba(255, 255, 255, 0.11); border-radius: 999px; background: rgba(255, 255, 255, 0.045); font-size: 10px; }
.collaboration-promise { display: flex; gap: 12px; max-width: 520px; margin-top: 31px; padding: 17px; border: 1px solid rgba(124, 230, 186, 0.16); border-radius: 18px; background: linear-gradient(135deg, rgba(88, 217, 232, 0.08), rgba(120, 104, 242, 0.07)); }
.collaboration-promise > span { display: grid; width: 36px; height: 36px; flex: 0 0 auto; place-items: center; color: var(--mint); border: 1px solid rgba(124, 230, 186, 0.2); border-radius: 12px; }
.collaboration-promise p { margin: 0; }
.collaboration-promise strong,
.collaboration-promise small { display: block; }
.collaboration-promise strong { color: #fff; font-size: 12px; }
.collaboration-promise small { margin-top: 5px; color: rgba(226, 237, 252, 0.56); font-size: 9px; line-height: 1.55; }
.contact-form { padding: 30px; color: #1b2540; border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 28px; background: rgba(255, 255, 255, 0.96); box-shadow: 0 38px 90px rgba(0, 4, 20, 0.44); }
.contact-form-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding-bottom: 20px; border-bottom: 1px solid rgba(16, 23, 53, 0.08); }
.contact-form-heading span { color: var(--violet); font-size: 8px; font-weight: 900; letter-spacing: 0.16em; }
.contact-form-heading h3 { margin: 7px 0 0; font-size: 23px; letter-spacing: -0.025em; }
.contact-form-heading > i { padding: 7px 9px; color: #6f7a8e; border-radius: 999px; background: #f1f4f8; font-size: 8px; font-style: normal; white-space: nowrap; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 14px; margin-top: 21px; }
.form-grid label > span { display: block; margin-bottom: 7px; color: #5d687c; font-size: 10px; font-weight: 750; }
.form-grid label > span b { color: var(--coral); }
.form-grid input,
.form-grid select,
.form-grid textarea { width: 100%; padding: 12px 13px; color: #25304a; border: 1px solid rgba(16, 23, 53, 0.1); border-radius: 11px; outline: none; background: #f8fafc; font-size: 11px; transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease; }
.form-grid textarea { resize: vertical; min-height: 92px; line-height: 1.6; }
.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus { border-color: rgba(120, 104, 242, 0.52); background: #fff; box-shadow: 0 0 0 4px rgba(120, 104, 242, 0.08); }
.form-grid input.is-invalid,
.form-grid select.is-invalid { border-color: var(--coral); box-shadow: 0 0 0 4px rgba(255, 141, 125, 0.08); }
.form-full { grid-column: 1 / -1; }
.form-consent { margin-top: 15px; }
.form-consent > label { display: flex; align-items: flex-start; gap: 8px; color: #697489; font-size: 9px; line-height: 1.5; }
.form-consent input { margin: 2px 0 0; accent-color: var(--violet); }
.form-consent > small { display: block; margin: 6px 0 0 22px; color: #a0a7b4; font-size: 8px; }
.form-submit-row { display: flex; align-items: center; gap: 16px; margin-top: 20px; }
.contact-submit { display: inline-flex; align-items: center; justify-content: space-between; min-width: 180px; padding: 13px 16px; color: #fff; border: 0; border-radius: 12px; background: linear-gradient(135deg, #18285d, var(--violet)); box-shadow: 0 12px 26px rgba(70, 59, 170, 0.22); cursor: pointer; }
.contact-submit b { font-size: 16px; }
.form-submit-row > p { margin: 0; color: #8992a2; font-size: 8px; line-height: 1.5; }
.form-submit-row > p.is-success { color: #18866d; font-weight: 700; }
.form-submit-row > p.is-error { color: #bc5049; font-weight: 700; }
.collaboration-process { position: relative; z-index: 1; margin-top: 78px; padding-top: 30px; border-top: 1px solid rgba(255, 255, 255, 0.1); }
.process-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.process-heading span { color: var(--mint); font-size: 8px; font-weight: 900; letter-spacing: 0.17em; }
.process-heading strong { color: rgba(234, 241, 253, 0.68); font-size: 12px; }
.collaboration-process ol { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 26px 0 0; padding: 0; list-style: none; }
.collaboration-process li { position: relative; display: grid; grid-template-columns: 38px 1fr; gap: 12px; padding-right: 27px; }
.collaboration-process li:not(:last-child)::after { content: ""; position: absolute; top: 19px; right: 10px; width: 28px; height: 1px; background: linear-gradient(90deg, rgba(88, 217, 232, 0.6), rgba(120, 104, 242, 0.35)); }
.collaboration-process li > span { display: grid; width: 38px; height: 38px; place-items: center; color: var(--mint); border: 1px solid rgba(124, 230, 186, 0.22); border-radius: 12px; background: rgba(124, 230, 186, 0.06); font-size: 8px; font-weight: 900; }
.collaboration-process li strong,
.collaboration-process li small { display: block; }
.collaboration-process li strong { color: #fff; font-size: 12px; }
.collaboration-process li small { margin-top: 5px; color: rgba(226, 236, 252, 0.5); font-size: 8px; line-height: 1.5; }

/* Responsive layout */
@media (max-width: 1280px) {
  .app-window { min-height: 660px; }
  .app-layout { grid-template-columns: 170px minmax(0, 1fr); min-height: 590px; }
  .listening-dashboard { grid-template-columns: 180px minmax(430px, 1fr) 205px; min-height: 590px; }
  .schedule-dashboard { grid-template-columns: 180px minmax(510px, 1fr) 196px; min-height: 590px; }
  .week-grid { height: 485px; }
  .review-actions { align-items: flex-start; flex-direction: column; }
  .review-actions > p { max-width: none; }
  .review-actions > div { width: 100%; }
  .review-actions button { flex: 1; min-width: 0; }
  .about-shell { gap: 58px; }
  .collaboration-shell-upgraded { gap: 46px; }
}

@media (max-width: 1080px) {
  .experience-heading,
  .about-shell,
  .collaboration-shell-upgraded { grid-template-columns: 1fr; gap: 34px; }
  .experience-intro { max-width: 680px; }
  .app-window { min-height: auto; }
  .app-chrome { grid-template-columns: 90px 1fr auto; }
  .app-layout { grid-template-columns: 150px minmax(0, 1fr); }
  .vocab-learning-grid { grid-template-columns: 1fr 0.72fr; }
  .listening-dashboard { grid-template-columns: 168px minmax(430px, 1fr); }
  .voice-coach { grid-column: 1 / -1; display: grid; grid-template-columns: 150px 150px 1fr 150px; align-items: center; gap: 18px; border-top: 1px solid rgba(16, 23, 53, 0.07); border-left: 0; }
  .coach-title { align-self: start; }
  .score-orbit { margin: 0; }
  .coach-tip,
  .record-again { margin: 0; }
  .schedule-dashboard { grid-template-columns: 170px minmax(520px, 1fr); }
  .upcoming-card { grid-column: 1 / -1; display: grid; grid-template-columns: 130px 180px 1fr 160px; align-items: center; gap: 18px; border-top: 1px solid rgba(16, 23, 53, 0.07); border-left: 0; }
  .next-time,
  .next-course,
  .upcoming-card ul,
  .upcoming-card > p { margin: 0; padding: 0; border: 0; }
  .upcoming-card > p { display: none; }
  .ecosystem-ui-grid { grid-template-columns: 1fr 1fr; }
  .custom-console-ui { grid-column: 1 / -1; }
  .about-manifesto { max-width: 820px; }
  .capability-grid { grid-template-columns: repeat(4, 1fr); }
  .capability-card { min-height: 265px; }
  .collaboration-copy { max-width: 830px; }
}

@media (max-width: 820px) {
  .experience-section,
  .about-section,
  .collaboration-section { padding-top: 94px; padding-bottom: 90px; }
  .experience-heading h2,
  .about-manifesto h2,
  .collaboration-copy h2 { font-size: clamp(38px, 9vw, 58px); }
  .demo-switcher { grid-template-columns: 1fr; margin-top: 42px; }
  .demo-tab small { white-space: normal; }
  .app-chrome { grid-template-columns: auto 1fr auto; padding: 0 16px; }
  .window-dots { display: none; }
  .app-chrome-actions > span { display: none; }
  .app-layout { grid-template-columns: 1fr; }
  .app-sidebar { display: grid; grid-template-columns: repeat(5, 1fr); padding: 10px; border-right: 0; border-bottom: 1px solid rgba(16, 23, 53, 0.07); }
  .app-sidebar > button { justify-content: center; padding: 9px 5px; font-size: 0; }
  .app-sidebar > button span { font-size: 14px; }
  .sidebar-goal { display: none; }
  .vocab-workspace { padding: 20px 16px; }
  .vocab-learning-grid { grid-template-columns: 1fr; }
  .memory-comic-panel { height: 360px; min-height: 0; }
  .listening-dashboard,
  .schedule-dashboard { grid-template-columns: 1fr; }
  .listen-library,
  .schedule-side { display: none; }
  .voice-coach { display: grid; grid-template-columns: 110px 120px 1fr; }
  .voice-coach .record-again { grid-column: 1 / -1; }
  .week-calendar { overflow-x: auto; }
  .week-grid { min-width: 670px; }
  .upcoming-card { grid-template-columns: repeat(2, 1fr); }
  .upcoming-kicker { grid-column: 1 / -1; }
  .ecosystem-ui-grid { grid-template-columns: 1fr; }
  .custom-console-ui { grid-column: auto; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .collaboration-process ol { grid-template-columns: 1fr 1fr; gap: 24px; }
  .collaboration-process li:nth-child(2)::after { display: none; }
}

@media (max-width: 560px) {
  .experience-section,
  .about-section,
  .collaboration-section { padding-top: 76px; padding-bottom: 74px; }
  .experience-intro > p,
  .about-manifesto > p:not(.section-kicker),
  .collaboration-copy > p:not(.section-kicker) { font-size: 14px; }
  .demo-tab { padding: 14px; }
  .app-window { border-radius: 20px; }
  .app-chrome { min-height: 58px; }
  .app-product-mark small { display: none; }
  .app-chrome-actions button { display: none; }
  .workspace-toolbar h3 { font-size: 18px; }
  .word-main > div strong { font-size: 38px; }
  .word-main { align-items: flex-start; }
  .mastery-tag { font-size: 7px; }
  .root-visual { gap: 5px; }
  .review-actions > div { display: grid; grid-template-columns: 1fr; }
  .review-actions button { width: 100%; }
  .listen-studio { padding: 19px 13px; }
  .listen-title-row { display: block; }
  .echo-badge { margin-top: 10px; }
  .voice-coach { grid-template-columns: 1fr 1fr; padding: 18px 14px; }
  .coach-title { grid-column: 1 / -1; }
  .coach-tip { grid-column: 1 / -1; }
  .family-switch button { padding: 5px 6px; font-size: 0; }
  .family-switch button:first-child { font-size: 8px; }
  .family-switch button i { display: block; }
  .week-calendar { padding: 16px 10px; }
  .week-toolbar h3 { display: none; }
  .upcoming-card { display: block; }
  .upcoming-card > * { margin-top: 14px; }
  .next-time { padding-bottom: 13px; }
  .ecosystem-ui-heading { margin-top: 80px; }
  .knowledge-canvas,
  .anime-screen,
  .console-body { height: 260px; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 220px; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 22px 16px; border-radius: 21px; }
  .contact-form-heading { display: block; }
  .contact-form-heading > i { display: inline-block; margin-top: 10px; }
  .form-full { grid-column: auto; }
  .form-submit-row { align-items: flex-start; flex-direction: column; }
  .contact-submit { width: 100%; }
  .collaboration-process ol { grid-template-columns: 1fr; }
  .collaboration-process li::after { display: none; }
  .process-heading { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .prototype-status i,
  .waveform.is-playing i,
  .word-meta button.is-speaking i { animation: none; }
  .product-demo { animation: none; }
  .mini-ui-card,
  .capability-card,
  .class-event { transition: none; }
}