main {
  position: relative;
  z-index: 2;
}

.product-page {
  min-height: 100vh;
  --product-violet: #818CF8;
  --product-cyan: #22D3EE;
  --product-teal: #2DD4BF;
  --product-amber: #FBBF24;
  --product-emerald: #10B981;
}

.product-hero,
.product-section,
.product-overview,
.product-jumpbar,
.product-cta {
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
}

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(380px, 1.02fr);
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  min-height: 690px;
  padding: 112px 0 56px;
}

.product-hero h1,
.product-section h2,
.product-cta h2 {
  color: var(--text-primary);
  font-weight: 900;
  letter-spacing: -0.05em;
}

.product-hero h1 {
  margin: 24px 0 20px;
  font-size: clamp(36px, 5.8vw, 64px);
  line-height: 1.05;
}

.product-hero-copy p,
.section-heading p,
.product-cta p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.75;
}

.product-hero-copy p {
  max-width: 720px;
  font-size: 16px;
  line-height: 1.75;
}

.product-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.product-page .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 8px 12px;
  border: 1px solid rgba(34,211,238,0.18);
  border-radius: 999px;
  background: rgba(34,211,238,0.08);
  color: var(--product-cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-page .section-tag::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--product-emerald);
  box-shadow: 0 0 18px rgba(16,185,129,0.72);
}

.product-page .btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 900;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.product-page .btn::after {
  content: "→";
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255,255,255,0.14);
  font-size: 14px;
  transition: transform 0.2s ease;
}

.product-page .btn:hover {
  transform: translateY(-2px);
}

.product-page .btn:hover::after {
  transform: translateX(2px);
}

.product-page .btn:focus-visible {
  outline: 3px solid rgba(34,211,238,0.34);
  outline-offset: 3px;
}

.product-page .btn-primary {
  border: 1px solid rgba(255,255,255,0.16);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.16), transparent 34%),
    var(--gradient-main);
  color: #fff;
  box-shadow: 0 16px 42px rgba(79,70,229,0.38);
}

.product-page .btn-primary:hover {
  box-shadow: 0 22px 58px rgba(34,211,238,0.28);
}

.btn-secondary {
  border: 1px solid rgba(148,163,184,0.22);
  background: rgba(17,20,51,0.72);
  color: var(--text-primary);
  box-shadow: 0 12px 34px rgba(0,0,0,0.18);
}

.btn-secondary:hover {
  border-color: rgba(34,211,238,0.32);
  background: rgba(34,211,238,0.1);
}

.product-hero-visual {
  position: relative;
  min-height: 480px;
  border: 1px solid rgba(148,163,184,0.14);
  border-radius: 34px;
  background:
    radial-gradient(circle at 50% 48%, rgba(34,211,238,0.22), transparent 28%),
    radial-gradient(circle at 42% 42%, rgba(251,191,36,0.12), transparent 20%),
    radial-gradient(circle at 12% 20%, rgba(251,191,36,0.14), transparent 26%),
    radial-gradient(circle at 86% 18%, rgba(129,140,248,0.2), transparent 28%),
    radial-gradient(circle at 50% 45%, rgba(34,211,238,0.18), transparent 35%),
    linear-gradient(145deg, rgba(17,20,51,0.8), rgba(8,10,30,0.88));
  box-shadow: 0 30px 100px rgba(0,0,0,0.28);
  overflow: hidden;
}

.product-visual-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34,211,238,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,0.07) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 48%, black, transparent 72%);
  opacity: 0.55;
}

.product-pulse-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(34,211,238,0.3);
  border-radius: 50%;
  opacity: 0.55;
  transform: translate(-50%, -50%);
}

.ring-one {
  animation: productPulse 4.8s ease-out infinite;
}

.ring-two {
  width: 310px;
  height: 310px;
  border-color: rgba(129,140,248,0.22);
  animation: productPulse 4.8s ease-out 1.4s infinite;
}

.product-flow-line {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 220px;
  height: 2px;
  border-radius: 999px;
  background:
    linear-gradient(90deg, transparent, rgba(34,211,238,0.14), rgba(34,211,238,0.9), transparent);
  opacity: 0.75;
  transform-origin: left center;
  animation: dataFlow 2.8s ease-in-out infinite;
}

.line-student {
  transform: rotate(-142deg);
}

.line-teacher {
  transform: rotate(-18deg);
  animation-delay: 0.55s;
}

.line-parent {
  transform: rotate(126deg);
  animation-delay: 1.05s;
}

.product-jumpbar {
  position: sticky;
  top: 82px;
  z-index: 20;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 54px;
  padding: 8px;
  border: 1px solid rgba(148,163,184,0.16);
  border-radius: 22px;
  background: rgba(8,10,30,0.78);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 48px rgba(0,0,0,0.18);
}

.product-jumpbar a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  border-radius: 16px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.product-jumpbar a:hover {
  background: linear-gradient(135deg, rgba(79,70,229,0.2), rgba(34,211,238,0.1));
  color: var(--text-primary);
  transform: translateY(-1px);
}

.product-jumpbar span {
  color: var(--teal-400);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.product-hero-visual::before {
  content: "";
  position: absolute;
  inset: 52px;
  border: 1px dashed rgba(148,163,184,0.18);
  border-radius: 999px;
}

.product-core {
  position: absolute;
  left: 50%;
  top: 8%;
  width: min(340px, calc(100% - 40px));
  min-height: 0;
  padding: 10px 22px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 22px;
  background:
    radial-gradient(circle at 12% 0%, rgba(34,211,238,0.32), transparent 44%),
    rgba(8,10,30,0.08);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 18px 48px rgba(0,0,0,0.18), 0 0 36px rgba(34,211,238,0.08);
  transform: translateX(-50%);
  z-index: 3;
  animation: coreBreath 4.2s ease-in-out infinite;
  text-align: left;
}

.product-core::before {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.07);
  pointer-events: none;
}

.core-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 0;
}

.core-header span,
.core-header small {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.core-header span {
  border: 1px solid rgba(34,211,238,0.24);
  background: rgba(34,211,238,0.1);
  color: var(--product-cyan);
}

.core-header small {
  border: 1px solid rgba(251,191,36,0.22);
  background: rgba(251,191,36,0.1);
  color: var(--product-amber);
}

.core-meter {
  height: 8px;
  margin-top: 10px;
  border-radius: 999px;
  background: rgba(148,163,184,0.16);
  overflow: hidden;
}

.core-meter span {
  display: block;
  width: 72%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--product-violet), var(--product-cyan), var(--product-teal));
  animation: progressSweep 4s ease-in-out infinite;
}

.core-nodes {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.core-nodes i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--product-cyan);
  box-shadow: 0 0 16px rgba(34,211,238,0.48);
}

.core-nodes i:nth-child(2) {
  background: var(--product-amber);
  box-shadow: 0 0 16px rgba(251,191,36,0.48);
}

.core-nodes i:nth-child(3) {
  background: var(--product-teal);
  box-shadow: 0 0 16px rgba(45,212,191,0.48);
}

.product-core > span,
.orbit-card span,
.tool-audience {
  color: rgba(255,255,255,0.72);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-core strong {
  display: block;
  color: #fff;
  font-size: 28px;
  line-height: 1.08;
  letter-spacing: -0.05em;
  text-shadow: 0 4px 20px rgba(0,0,0,0.58);
}

.core-header strong {
  display: inline;
  font-size: 15px;
  line-height: 1;
  letter-spacing: 0;
  text-shadow: 0 2px 10px rgba(0,0,0,0.48);
}

.orbit-card {
  position: absolute;
  width: 190px;
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  background: rgba(8,10,30,0.08);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 52px rgba(0,0,0,0.26);
  z-index: 2;
  animation: orbitFloat 5.6s ease-in-out infinite;
}

.orbit-emoji {
  display: inline;
  font-size: 22px;
  line-height: 1;
  vertical-align: middle;
}

.orbit-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.orbit-card strong {
  display: block;
  margin-top: 6px;
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.35;
}

.orbit-student { left: 15%; top: 38%; border-top: 3px solid var(--cyan-400); }
.orbit-teacher { right: 15%; top: 54%; border-top: 3px solid var(--indigo-400); animation-delay: 0.7s; }
.orbit-parent { left: 32%; bottom: 10%; border-top: 3px solid var(--gold-400); animation-delay: 1.2s; }



.product-overview {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 88px;
}

.overview-card,
.tool-card,
.feature-card,
.product-cta {
  border: 1px solid rgba(148,163,184,0.14);
  background: linear-gradient(145deg, rgba(17,20,51,0.82), rgba(8,10,30,0.86));
  box-shadow: 0 22px 70px rgba(0,0,0,0.2);
}

.overview-card,
.tool-card,
.feature-card {
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.overview-card:hover,
.tool-card:hover,
.feature-card:hover {
  border-color: rgba(34,211,238,0.22);
  transform: translateY(-2px);
  box-shadow: 0 26px 80px rgba(0,0,0,0.26);
}

.overview-card {
  min-height: 178px;
  padding: 24px;
  border-radius: 26px;
}

.overview-card:nth-child(1) {
  background:
    radial-gradient(circle at 18% 0%, rgba(34,211,238,0.24), transparent 36%),
    linear-gradient(145deg, rgba(17,20,51,0.86), rgba(8,10,30,0.88));
}

.overview-card:nth-child(2) {
  background:
    radial-gradient(circle at 18% 0%, rgba(129,140,248,0.24), transparent 36%),
    linear-gradient(145deg, rgba(17,20,51,0.86), rgba(8,10,30,0.88));
}

.overview-card:nth-child(3) {
  background:
    radial-gradient(circle at 18% 0%, rgba(251,191,36,0.22), transparent 36%),
    linear-gradient(145deg, rgba(17,20,51,0.86), rgba(8,10,30,0.88));
}

.overview-card:nth-child(4) {
  background:
    radial-gradient(circle at 18% 0%, rgba(16,185,129,0.24), transparent 36%),
    linear-gradient(145deg, rgba(17,20,51,0.86), rgba(8,10,30,0.88));
}

.overview-number {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--teal-400);
  font-size: 12px;
  font-weight: 900;
}

.overview-card strong {
  display: block;
  margin-bottom: 10px;
  color: var(--text-primary);
  font-size: 20px;
}

.overview-card p,
.tool-card p,
.feature-card p,
.flow-step p {
  color: var(--text-secondary);
  line-height: 1.68;
}

.product-section {
  padding: 88px 0;
  scroll-margin-top: 110px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 40px;
  padding-left: 20px;
  border-left: 3px solid rgba(34,211,238,0.5);
}

.product-section h2,
.product-cta h2 {
  margin: 12px 0 16px;
  font-size: clamp(32px, 4.5vw, 52px);
  line-height: 1.08;
}

.tool-showcase {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.tool-card {
  position: relative;
  min-height: 318px;
  padding: 28px;
  border-radius: 30px;
  overflow: hidden;
}

.tool-card::before,
.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 16% 0%, rgba(34,211,238,0.14), transparent 34%);
  pointer-events: none;
}

.tool-card.featured {
  display: grid;
  grid-column: span 3;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: 40px;
  align-items: center;
  min-height: 420px;
  border-color: rgba(34,211,238,0.24);
  background:
    radial-gradient(circle at 0% 0%, rgba(34,211,238,0.18), transparent 36%),
    radial-gradient(circle at 100% 0%, rgba(129,140,248,0.2), transparent 36%),
    linear-gradient(145deg, rgba(17,20,51,0.9), rgba(8,10,30,0.9));
}

.tool-card h3,
.feature-card h3 {
  margin: 10px 0 12px;
  color: var(--text-primary);
  font-size: 23px;
  line-height: 1.2;
}

.tool-card ul {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  color: var(--text-secondary);
  list-style: none;
}

.tool-card li::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--product-teal);
  box-shadow: 0 0 14px rgba(45,212,191,0.54);
}

.mock-screen {
  position: relative;
  min-height: 330px;
  padding: 20px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02)),
    rgba(8,10,30,0.9);
  overflow: hidden;
}

.mock-scanline {
  position: absolute;
  left: 18px;
  right: 18px;
  top: 22px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(34,211,238,0.92), transparent);
  box-shadow: 0 0 24px rgba(34,211,238,0.42);
  animation: scanPanel 3.6s ease-in-out infinite;
}

.mock-topbar {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.mock-topbar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(148,163,184,0.44);
}

.mock-stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.mock-stat-row div {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.06);
}

.mock-stat-row small {
  display: block;
  color: var(--text-muted);
  font-weight: 800;
}

.mock-stat-row strong {
  color: var(--text-primary);
  font-size: 44px;
}

.mock-list {
  display: grid;
  gap: 12px;
}

.mock-list span {
  position: relative;
  display: block;
  height: 46px;
  border-radius: 14px;
  overflow: hidden;
}

.mock-list span i {
  position: absolute;
  inset: 0;
  width: 42%;
  border-radius: inherit;
  background: rgba(255,255,255,0.1);
  animation: listMeasure 3.2s ease-in-out infinite;
}

.mock-list .danger { background: linear-gradient(90deg, rgba(248,113,113,0.28), rgba(248,113,113,0.06)); }
.mock-list .warning { background: linear-gradient(90deg, rgba(251,191,36,0.28), rgba(251,191,36,0.06)); }
.mock-list .success { background: linear-gradient(90deg, rgba(45,212,191,0.26), rgba(45,212,191,0.06)); }

.mini-illustration {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 150px;
  margin-bottom: 20px;
  border-radius: 22px;
  background:
    radial-gradient(circle at 50% 30%, rgba(34,211,238,0.18), transparent 44%),
    rgba(255,255,255,0.04);
  overflow: hidden;
}

.mini-illustration::after {
  content: "";
  position: absolute;
  inset: -40% 20%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.14), transparent);
  transform: rotate(18deg) translateX(-120%);
  transition: transform 0.45s ease;
}

.tool-card:hover .mini-illustration::after {
  transform: rotate(18deg) translateX(120%);
}

.team-mock {
  grid-template-columns: repeat(3, 48px);
  align-items: end;
  gap: 8px;
}

.podium-glow {
  position: absolute;
  left: 50%;
  bottom: 20px;
  width: 170px;
  height: 72px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(251,191,36,0.24), transparent 66%);
  transform: translateX(-50%);
  animation: podiumGlow 3.8s ease-in-out infinite;
}

.podium {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  border-radius: 14px 14px 8px 8px;
  color: #fff;
  font-weight: 900;
}

.podium.first { height: 110px; background: linear-gradient(180deg, #FBBF24, #D97706); }
.podium.second { height: 82px; background: linear-gradient(180deg, #94A3B8, #475569); }
.podium.third { height: 64px; background: linear-gradient(180deg, #FB923C, #C2410C); }

.summary-mock {
  grid-template-columns: 110px 1fr;
  gap: 20px;
  padding: 20px;
}

.ring {
  display: grid;
  place-items: center;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: conic-gradient(var(--teal-400) 82%, rgba(148,163,184,0.18) 0);
  color: #fff;
  font-size: 24px;
  font-weight: 900;
  animation: scorePulse 4s ease-in-out infinite;
}

.bars {
  display: grid;
  gap: 10px;
  width: 100%;
}

.bars i {
  display: block;
  height: 14px;
  border-radius: 999px;
  background: rgba(129,140,248,0.42);
  transform-origin: left center;
  animation: barGrow 4s ease-in-out infinite;
}

.bars i:nth-child(2) { width: 78%; background: rgba(34,211,238,0.4); animation-delay: 0.18s; }
.bars i:nth-child(3) { width: 58%; background: rgba(251,191,36,0.4); animation-delay: 0.36s; }

.summary-insights {
  position: absolute;
  right: 18px;
  bottom: 16px;
  display: flex;
  gap: 7px;
}

.summary-insights span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--product-teal);
  box-shadow: 0 0 14px rgba(45,212,191,0.55);
}

.summary-insights span:nth-child(2) {
  background: var(--product-amber);
  animation: dotBlink 2.2s ease-in-out infinite;
}

.knowledge-mock {
  align-items: start;
  justify-items: stretch;
  padding: 20px;
}

.knowledge-mock b {
  color: var(--text-primary);
  font-size: 18px;
}

.knowledge-mock span {
  height: 12px;
  margin-top: 12px;
  border-radius: 999px;
  background: rgba(148,163,184,0.28);
}

.knowledge-mock span:nth-of-type(2) { width: 72%; }

.knowledge-mock em {
  width: fit-content;
  margin-top: 16px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(45,212,191,0.12);
  color: var(--teal-400);
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
}

.knowledge-mock i {
  position: absolute;
  right: 22px;
  top: 22px;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(34,211,238,0.18), rgba(129,140,248,0.12));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.12), 0 14px 30px rgba(34,211,238,0.12);
}

.assignment-mock,
.parent-mock {
  align-content: center;
  gap: 10px;
  padding: 18px;
}

.assignment-progress {
  height: 8px;
  border-radius: 999px;
  background: rgba(148,163,184,0.2);
  overflow: hidden;
}

.assignment-progress i {
  display: block;
  width: 76%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--product-violet), var(--product-cyan));
  animation: progressSweep 4s ease-in-out infinite;
}

.assignment-mock span {
  display: block;
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 800;
}

.parent-mock {
  grid-template-columns: 1fr 1fr 1fr;
}

.parent-mock div {
  position: relative;
  width: 100%;
  height: 90px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(251,191,36,0.3), rgba(251,191,36,0.05));
  overflow: hidden;
}

.parent-mock div:nth-child(2) { background: linear-gradient(180deg, rgba(34,211,238,0.3), rgba(34,211,238,0.05)); }
.parent-mock div:nth-child(3) { background: linear-gradient(180deg, rgba(129,140,248,0.3), rgba(129,140,248,0.05)); }

.parent-mock div span {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.22);
  animation: cardSignal 3.8s ease-in-out infinite;
}

.parent-mock div:nth-child(2) span { animation-delay: 0.25s; }
.parent-mock div:nth-child(3) span { animation-delay: 0.5s; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.feature-card {
  position: relative;
  min-height: 270px;
  padding: 28px;
  border-radius: 30px;
  overflow: hidden;
}

.feature-card:nth-child(3n+1) {
  border-color: rgba(34,211,238,0.22);
}

.feature-card:nth-child(3n+2) {
  border-color: rgba(129,140,248,0.22);
}

.feature-card:nth-child(3n) {
  border-color: rgba(251,191,36,0.2);
}

.feature-card.ai {
  border-color: rgba(45,212,191,0.24);
  background:
    radial-gradient(circle at 20% 0%, rgba(45,212,191,0.16), transparent 34%),
    linear-gradient(145deg, rgba(17,20,51,0.86), rgba(8,10,30,0.9));
}

.feature-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  border: 1px solid rgba(34,211,238,0.26);
  background: linear-gradient(135deg, rgba(34,211,238,0.16), rgba(79,70,229,0.1));
  color: var(--teal-400);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.feature-card strong {
  display: block;
  margin-top: 18px;
  color: var(--teal-400);
  font-size: 13px;
  line-height: 1.5;
}

.product-flow {
  padding-top: 86px;
}

.flow-rail {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.flow-step {
  position: relative;
  min-height: 188px;
  padding: 26px;
  border: 1px solid rgba(148,163,184,0.14);
  border-radius: 28px;
  background:
    linear-gradient(145deg, rgba(17,20,51,0.8), rgba(8,10,30,0.82));
  overflow: hidden;
}

.flow-step::after {
  content: "";
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 0;
  height: 3px;
  border-radius: 999px 999px 0 0;
  background: var(--gradient-main);
}

.flow-step span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 34px;
  border-radius: 50%;
  background: var(--gradient-main);
  color: #fff;
  font-weight: 900;
}

.flow-step strong {
  display: block;
  margin-bottom: 10px;
  color: var(--text-primary);
  font-size: 20px;
}

.product-cta {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin-top: 64px;
  margin-bottom: 56px;
  padding: 48px;
  border-color: rgba(34,211,238,0.22);
  border-radius: 34px;
  background:
    radial-gradient(circle at 12% 0%, rgba(34,211,238,0.18), transparent 34%),
    radial-gradient(circle at 88% 12%, rgba(251,191,36,0.14), transparent 34%),
    radial-gradient(circle at 82% 88%, rgba(16,185,129,0.16), transparent 30%),
    linear-gradient(145deg, rgba(17,20,51,0.92), rgba(8,10,30,0.94));
  overflow: hidden;
}

.product-cta::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  border: 1px solid rgba(255,255,255,0.06);
  pointer-events: none;
}

.product-cta-copy {
  max-width: 760px;
}

.product-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 190px;
}

.product-cta-actions .btn {
  width: 100%;
}

.product-footer {
  position: relative;
  z-index: 2;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto 34px;
}

.product-footer-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px;
  border: 1px solid rgba(148,163,184,0.14);
  border-radius: 28px;
  background:
    radial-gradient(circle at 0% 50%, rgba(34,211,238,0.12), transparent 28%),
    linear-gradient(145deg, rgba(17,20,51,0.82), rgba(8,10,30,0.88));
  box-shadow: 0 18px 54px rgba(0,0,0,0.18);
}

.product-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--text-primary);
  text-decoration: none;
}

.product-footer-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: var(--gradient-main);
  color: #fff;
  font-weight: 900;
  box-shadow: 0 14px 32px rgba(79,70,229,0.28);
}

.product-footer-brand strong,
.product-footer-brand small {
  display: block;
}

.product-footer-brand strong {
  font-size: 16px;
}

.product-footer-brand small {
  margin-top: 2px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
}

.product-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.product-footer-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid rgba(148,163,184,0.18);
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.product-footer-links a:hover {
  border-color: rgba(34,211,238,0.32);
  background: rgba(34,211,238,0.1);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.product-footer-links a:focus-visible {
  outline: 3px solid rgba(34,211,238,0.34);
  outline-offset: 3px;
}

.product-footer-meta {
  padding: 16px 8px 0;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

@keyframes productPulse {
  0% {
    opacity: 0.55;
    scale: 0.82;
  }
  70% {
    opacity: 0.12;
    scale: 1.28;
  }
  100% {
    opacity: 0;
    scale: 1.34;
  }
}

@keyframes dataFlow {
  0%, 100% {
    opacity: 0.22;
    background-size: 80% 100%;
    background-position: -80px 0;
  }
  48% {
    opacity: 0.9;
    background-size: 120% 100%;
    background-position: 90px 0;
  }
}

@keyframes coreBreath {
  0%, 100% {
    box-shadow: 0 24px 70px rgba(0,0,0,0.34), 0 0 54px rgba(34,211,238,0.16);
  }
  50% {
    box-shadow: 0 26px 86px rgba(0,0,0,0.4), 0 0 70px rgba(34,211,238,0.28);
  }
}

@keyframes orbitFloat {
  0%, 100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -8px;
  }
}

@keyframes scanPanel {
  0%, 100% {
    translate: 0 0;
    opacity: 0.15;
  }
  45% {
    translate: 0 238px;
    opacity: 0.9;
  }
}

@keyframes listMeasure {
  0%, 100% {
    width: 34%;
    opacity: 0.35;
  }
  50% {
    width: 74%;
    opacity: 0.8;
  }
}

@keyframes podiumGlow {
  0%, 100% {
    opacity: 0.42;
    scale: 0.92;
  }
  50% {
    opacity: 0.86;
    scale: 1.04;
  }
}

@keyframes scorePulse {
  0%, 100% {
    box-shadow: 0 0 0 rgba(45,212,191,0);
  }
  50% {
    box-shadow: 0 0 28px rgba(45,212,191,0.34);
  }
}

@keyframes barGrow {
  0%, 100% {
    scale: 0.78 1;
  }
  50% {
    scale: 1 1;
  }
}

@keyframes dotBlink {
  0%, 100% {
    opacity: 0.35;
  }
  50% {
    opacity: 1;
  }
}

@keyframes progressSweep {
  0%, 100% {
    translate: -18% 0;
  }
  50% {
    translate: 0 0;
  }
}

@keyframes cardSignal {
  0%, 100% {
    opacity: 0.28;
    scale: 0.82 1;
  }
  50% {
    opacity: 0.82;
    scale: 1 1;
  }
}

@media (max-width: 960px) {
  .product-hero,
  .tool-card.featured {
    grid-template-columns: 1fr;
  }

  .product-hero {
    min-height: 0;
    padding-top: 112px;
  }

  .product-jumpbar {
    position: relative;
    top: auto;
  }

  .product-hero-visual {
    min-height: 420px;
  }

  .product-overview,
  .feature-grid,
  .flow-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-cta {
    grid-template-columns: 1fr;
  }

  .product-cta-actions {
    flex-direction: row;
    min-width: 0;
  }

  .tool-showcase {
    grid-template-columns: 1fr;
  }

  .tool-card.featured {
    grid-column: span 1;
  }
}

@media (max-width: 680px) {
  .product-hero,
  .product-section,
  .product-overview,
  .product-jumpbar,
  .product-cta,
  .product-footer {
    width: min(100% - 28px, 1120px);
  }

  .product-hero h1 {
    font-size: 44px;
  }

  .product-overview,
  .feature-grid,
  .product-jumpbar,
  .flow-rail {
    grid-template-columns: 1fr;
  }

  .product-hero-visual {
    min-height: 500px;
  }

  .orbit-card {
    width: 170px;
  }

  .orbit-student { left: 10%; top: 34%; }
  .orbit-teacher { right: 10%; top: 48%; }
  .orbit-parent { left: 27%; bottom: 8%; }

  .product-core {
    width: min(360px, calc(100% - 32px));
    min-height: 0;
    padding: 8px 16px;
    border-radius: 18px;
  }

  .product-core strong {
    font-size: 22px;
  }

  .core-header {
    gap: 8px;
    margin-bottom: 14px;
  }

  .core-header span,
  .core-header small {
    min-height: 24px;
    padding: 5px 8px;
    font-size: 10px;
  }

  .core-meter {
    margin-top: 14px;
  }

  .product-flow-line {
    width: 160px;
  }

  .product-cta {
    padding: 28px;
  }

  .product-cta-actions {
    flex-direction: column;
  }

  .product-footer-card {
    align-items: stretch;
    flex-direction: column;
  }

  .product-footer-links a {
    flex: 1 1 140px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .product-page .btn,
  .product-page .btn::after,
  .product-pulse-ring,
  .product-flow-line,
  .product-core,
  .orbit-card,
  .mock-scanline,
  .mock-list span i,
  .podium-glow,
  .ring,
  .bars i,
  .summary-insights span,
  .assignment-progress i,
  .parent-mock div span,
  .mini-illustration::after,
  .product-jumpbar a,
  .overview-card,
  .tool-card,
  .feature-card,
  .product-footer-links a {
    transition: none;
  }

  .product-page .btn:hover,
  .product-page .btn:hover::after,
  .product-jumpbar a:hover,
  .overview-card:hover,
  .tool-card:hover,
  .feature-card:hover,
  .product-footer-links a:hover {
    transform: none;
  }

  .product-pulse-ring,
  .product-flow-line,
  .product-core,
  .orbit-card,
  .mock-scanline,
  .mock-list span i,
  .podium-glow,
  .ring,
  .bars i,
  .summary-insights span,
  .assignment-progress i,
  .parent-mock div span {
    animation: none;
  }
}