:root {
  --brand: #0b1f3a;
  --brand-strong: #071326;
  --brand-soft: #132b4f;
  --action: #2f6bff;
  --action-strong: #1e52d8;
  --action-soft: rgba(47, 107, 255, 0.14);
  --base: #f8fafc;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-strong: #ffffff;
  --surface-dark: rgba(11, 31, 58, 0.96);
  --text: #0f172a;
  --muted: #475569;
  --muted-soft: #64748b;
  --gold: #c9a227;
  --gold-soft: rgba(201, 162, 39, 0.14);
  --card-line: rgba(11, 31, 58, 0.1);
  --line-strong: rgba(11, 31, 58, 0.18);
  --success: #1e6b4f;
  --danger: #8f3f34;
  --shadow: 0 28px 72px rgba(11, 31, 58, 0.12);
  --radius-xl: 36px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 999px;
  --max-width: 1220px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(47, 107, 255, 0.12), transparent 26%),
    radial-gradient(circle at 84% 12%, rgba(201, 162, 39, 0.12), transparent 20%),
    linear-gradient(180deg, #fbfdff 0%, #f8fafc 48%, #eef3f9 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(11, 31, 58, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 31, 58, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 42%, transparent 86%);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 24px 0 38px;
}

.site-header,
.hero,
.logo-band,
.section,
.site-footer {
  backdrop-filter: blur(14px);
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 28px;
  padding: 15px 18px;
  background:
    linear-gradient(180deg, rgba(9, 25, 47, 0.98), rgba(13, 33, 63, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  display: block;
  width: auto;
  height: 34px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 15px;
  color: #f8fafc;
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.14), transparent 38%),
    linear-gradient(145deg, #0f2b53, #0b1f3a);
  border: 1px solid rgba(201, 162, 39, 0.4);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-copy {
  display: grid;
  gap: 2px;
  line-height: 1;
}

.brand-copy strong {
  font-size: 1rem;
  color: #f8fafc;
  letter-spacing: 0.02em;
}

.brand-copy span {
  color: rgba(248, 250, 252, 0.62);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 24px;
}

.site-header .site-nav a {
  color: rgba(248, 250, 252, 0.72);
}

.site-nav a,
.hero-note,
.field-note,
.section-heading p,
.mode-card p,
.mode-card li,
.flow-card p,
.brief-card p,
.demo-subtitle,
.library-card p,
.knowledge-card p,
.testimonial-card span,
.pricing-subtitle,
.site-footer p,
.band-label {
  color: var(--muted);
}

.site-nav a,
.nav-cta,
.button,
.filter-chip,
.track-tab,
.mode-card,
.library-card,
.knowledge-card,
.pricing-card,
.testimonial-card {
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease;
}

.site-nav a:hover {
  color: #ffffff;
}

.nav-cta,
.button-primary {
  color: #f8fafc;
  background: linear-gradient(135deg, var(--action), var(--action-strong));
  box-shadow: 0 16px 30px rgba(47, 107, 255, 0.28);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
}

.nav-cta {
  min-width: 214px;
}

.nav-cta:hover,
.button-primary:hover {
  transform: translateY(-1px);
  background: linear-gradient(135deg, #255cf1, #1643c3);
}

.button-secondary {
  color: var(--brand);
  background: rgba(255, 255, 255, 0.84);
  border-color: rgba(11, 31, 58, 0.14);
}

.button-secondary:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.96);
}

.button-full {
  width: 100%;
}

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 32px;
  justify-items: center;
  padding: 42px;
  background:
    radial-gradient(circle at top right, rgba(47, 107, 255, 0.12), transparent 30%),
    radial-gradient(circle at 16% 18%, rgba(201, 162, 39, 0.1), transparent 20%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(245, 248, 252, 0.9));
  border: 1px solid rgba(11, 31, 58, 0.08);
  border-radius: calc(var(--radius-xl) + 2px);
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -24% auto;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 107, 255, 0.16), transparent 66%);
  filter: blur(6px);
  animation: drift 16s ease-in-out infinite alternate;
}

.hero-copy {
  display: grid;
  justify-items: center;
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow,
.status-pill,
.muted-label,
.pricing-label,
.mode-number,
.brief-label,
.prompt-label,
.pricing-card h3 span {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
}

.eyebrow {
  margin: 0 0 14px;
  font-weight: 700;
  color: var(--gold);
}

.hero h1,
.section h2,
.prompt-block h2,
.pricing-card h3 {
  margin: 0;
  font-family: "Instrument Serif", serif;
  font-weight: 400;
  line-height: 0.96;
}

.hero h1 {
  max-width: 13ch;
  font-size: clamp(3.4rem, 8vw, 6.8rem);
}

.hero h1 span {
  color: var(--action);
  font-style: normal;
}

.hero-text {
  max-width: 42rem;
  margin: 18px 0 0;
  font-size: 1.06rem;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
  justify-content: center;
}

.button-hero {
  min-width: 244px;
  min-height: 58px;
  padding-inline: 28px;
  font-size: 1rem;
}

.hero-note {
  max-width: 52ch;
  margin: 16px 0 0;
  line-height: 1.6;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 34px 0 0;
  width: min(100%, 620px);
}

.hero-stats div {
  text-align: center;
  padding-top: 16px;
  border-top: 1px solid var(--card-line);
}

.hero-stats dt {
  margin-bottom: 8px;
  font-size: 0.82rem;
  color: var(--muted);
}

.hero-stats dd {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: -0.04em;
}

.hero-panel,
.builder-grid,
.demo-grid,
.knowledge-grid,
.pricing-grid,
.proof-grid {
  display: grid;
  gap: 18px;
}

.hero-panel {
  width: min(100%, 1100px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: end;
}

.console-card,
.builder-card,
.brief-card,
.demo-card,
.mode-card,
.flow-card,
.library-card,
.knowledge-card,
.architecture-card,
.testimonial-card,
.pricing-card {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.console-card,
.builder-card,
.brief-card,
.demo-card,
.mode-card,
.flow-card,
.library-card,
.knowledge-card,
.architecture-card,
.testimonial-card,
.pricing-card,
.logo-band,
.section,
.site-footer {
  background: var(--surface);
}

.console-card,
.builder-card,
.brief-card,
.demo-card,
.mode-card,
.flow-card,
.library-card,
.knowledge-card,
.architecture-card,
.testimonial-card,
.pricing-card {
  padding: 24px;
}

.console-card-live {
  color: #f8fafc;
  background:
    radial-gradient(circle at top left, rgba(47, 107, 255, 0.22), transparent 24%),
    radial-gradient(circle at 80% 18%, rgba(201, 162, 39, 0.14), transparent 20%),
    linear-gradient(165deg, rgba(7, 19, 38, 0.98), rgba(11, 31, 58, 0.96));
}

.console-card-review {
  background:
    radial-gradient(circle at top right, rgba(47, 107, 255, 0.08), transparent 30%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(244, 248, 252, 0.88));
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.status-pill,
.score-badge,
.mock-meta span,
.filter-chip,
.track-tab {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-sm);
}

.status-pill {
  padding: 8px 12px;
  color: #eff6ff;
  background: rgba(47, 107, 255, 0.18);
  border: 1px solid rgba(47, 107, 255, 0.22);
}

.status-pill-secondary {
  color: #775d12;
  background: var(--gold-soft);
  border: 1px solid rgba(201, 162, 39, 0.18);
}

.muted-label {
  color: inherit;
  opacity: 0.72;
}

.mock-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.mock-meta span {
  padding: 9px 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
}

.prompt-block {
  margin-top: 22px;
}

.prompt-label {
  margin: 0 0 12px;
  color: rgba(248, 250, 252, 0.68);
}

.prompt-block h2 {
  max-width: 13ch;
  font-size: clamp(2rem, 4vw, 3.3rem);
}

.waveform {
  display: flex;
  align-items: end;
  gap: 8px;
  height: 52px;
  margin-top: 28px;
}

.waveform span {
  flex: 1;
  min-height: 14px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(47, 107, 255, 0.95), rgba(201, 162, 39, 0.9));
  animation: pulse 1400ms ease-in-out infinite;
  transform-origin: bottom;
}

.waveform span:nth-child(2) {
  animation-delay: 140ms;
}

.waveform span:nth-child(3) {
  animation-delay: 280ms;
}

.waveform span:nth-child(4) {
  animation-delay: 420ms;
}

.waveform span:nth-child(5) {
  animation-delay: 560ms;
}

.waveform span:nth-child(6) {
  animation-delay: 700ms;
}

.waveform span:nth-child(7) {
  animation-delay: 840ms;
}

.waveform span:nth-child(8) {
  animation-delay: 980ms;
}

.hero-transcript,
.review-points,
.brief-list,
.transcript-list,
.feedback-list,
.pricing-list,
.architecture-list,
.mode-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-transcript {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.hero-transcript li,
.transcript-list li {
  display: grid;
  gap: 8px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-transcript p,
.transcript-list p {
  margin: 0;
  line-height: 1.6;
}

.speaker-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.speaker-row strong {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.speaker-row span {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-transcript .speaker-row span,
.transcript-card .speaker-row span {
  color: rgba(248, 250, 252, 0.62);
}

.score-badge {
  padding: 9px 12px;
  background: var(--gold-soft);
  color: #7a5f16;
  font-weight: 700;
}

.console-card-review h3 {
  margin: 18px 0 14px;
  font-size: 1.55rem;
}

.review-points {
  display: grid;
  gap: 12px;
}

.review-points li {
  padding-left: 18px;
  position: relative;
  line-height: 1.56;
}

.review-points li::before,
.brief-list li::before,
.feedback-list li::before,
.pricing-list li::before,
.mode-card li::before,
.architecture-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--action), var(--gold));
  transform: translateY(-50%);
}

.logo-band,
.section,
.site-footer {
  margin-top: 24px;
  padding: 30px;
  border: 1px solid rgba(11, 31, 58, 0.08);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.logo-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  color: #f8fafc;
  background:
    radial-gradient(circle at top right, rgba(47, 107, 255, 0.12), transparent 24%),
    linear-gradient(165deg, rgba(7, 19, 38, 0.98), rgba(11, 31, 58, 0.96));
}

.trusted-band {
  padding-block: 24px;
}

.bank-band {
  width: min(100%, 980px);
  margin-top: 8px;
  color: var(--brand);
  background:
    radial-gradient(circle at top right, rgba(47, 107, 255, 0.08), transparent 22%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 248, 252, 0.96));
}

.band-label {
  margin: 0 0 14px;
  font-size: 0.85rem;
}

.logo-band .band-label {
  color: rgba(248, 250, 252, 0.64);
  margin-bottom: 4px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.bank-band .band-label {
  color: var(--muted);
  text-align: center;
  letter-spacing: 0.08em;
  text-transform: none;
}

.logo-marquee {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.logo-carousel {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.logo-track {
  display: flex;
  gap: 14px;
  width: max-content;
  animation: marquee 26s linear infinite;
}

.logo-carousel:hover .logo-track {
  animation-play-state: paused;
}

.logo-set {
  display: flex;
  gap: 14px;
}

.school-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 164px;
  height: 74px;
  padding: 0 18px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(242, 246, 251, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    0 20px 44px rgba(7, 19, 38, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.bank-band .school-logo {
  border-color: rgba(11, 31, 58, 0.08);
  box-shadow:
    0 20px 44px rgba(11, 31, 58, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.school-logo-image {
  display: block;
  width: auto;
  height: auto;
  max-width: 190px;
  max-height: 36px;
  object-fit: contain;
}

.school-logo--harvard .school-logo-image {
  max-width: 170px;
  max-height: 38px;
}

.school-logo--columbia .school-logo-image {
  max-width: 206px;
  max-height: 34px;
}

.school-logo--dartmouth .school-logo-image {
  max-width: 210px;
  max-height: 30px;
}

.school-logo--princeton .school-logo-image {
  max-width: 178px;
  max-height: 34px;
}

.school-logo--booth .school-logo-image {
  max-width: 178px;
  max-height: 38px;
}

.school-logo--northwestern .school-logo-image {
  max-width: 196px;
  max-height: 30px;
}

.school-logo--penn .school-logo-image {
  max-width: 150px;
  max-height: 42px;
}

.school-logo--usc .school-logo-image {
  max-width: 204px;
  max-height: 32px;
}

.school-logo--ut .school-logo-image {
  max-width: 178px;
  max-height: 34px;
}

.bank-logo--jpmorgan .school-logo-image {
  max-width: 158px;
  max-height: 28px;
}

.bank-logo--jefferies .school-logo-image {
  max-width: 152px;
  max-height: 30px;
}

.bank-logo--goldman .school-logo-image {
  max-width: 176px;
  max-height: 26px;
}

.bank-logo--barclays .school-logo-image {
  max-width: 144px;
  max-height: 30px;
}

.bank-logo--william-blair .school-logo-image {
  max-width: 184px;
  max-height: 24px;
}

.bank-logo--lazard .school-logo-image {
  max-width: 140px;
  max-height: 30px;
}

.logo-marquee span {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: #f8fafc;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.section-heading {
  max-width: 780px;
  margin: 0 auto 30px;
  text-align: center;
}

.section h2 {
  font-size: clamp(2.3rem, 5vw, 4.7rem);
  margin-bottom: 14px;
}

.section-heading p {
  max-width: 44rem;
  margin: 0 auto;
  line-height: 1.68;
}

.modes-grid,
.flow-grid,
.library-grid,
.knowledge-columns {
  display: grid;
  gap: 18px;
}

.modes-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mode-card:hover,
.library-card:hover,
.knowledge-card:hover,
.testimonial-card:hover,
.pricing-card:hover {
  transform: translateY(-3px);
}

.mode-card-accent {
  background:
    radial-gradient(circle at top right, rgba(47, 107, 255, 0.1), transparent 24%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(243, 247, 253, 0.9));
  border-color: rgba(47, 107, 255, 0.16);
}

.mode-number,
.pricing-label,
.brief-label,
.prompt-label {
  color: var(--gold);
  font-weight: 700;
}

.mode-card h3,
.flow-card h3,
.knowledge-card h3,
.library-card h3,
.testimonial-card p,
.pricing-card h3,
.brief-card h3,
.demo-card h3 {
  margin: 0;
}

.mode-card h3,
.flow-card h3,
.library-card h3,
.knowledge-card h3 {
  margin-top: 14px;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}

.mode-card p,
.flow-card p,
.knowledge-card p,
.library-card p,
.pricing-subtitle,
.testimonial-card p,
.field-note,
.brief-card p,
.site-footer p {
  line-height: 1.62;
}

.mode-card ul {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.mode-card li,
.feedback-list li,
.brief-list li,
.pricing-list li,
.architecture-list li {
  position: relative;
  padding-left: 18px;
}

.section-tight {
  overflow: hidden;
}

.flow-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.flow-card {
  min-height: 212px;
}

.flow-card span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  color: #f8fafc;
  background: linear-gradient(135deg, var(--brand), var(--action));
  font-weight: 700;
}

.flow-card h3 {
  margin-top: 18px;
}

.builder-grid {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.94fr);
}

.builder-card,
.brief-card {
  background:
    radial-gradient(circle at top right, rgba(47, 107, 255, 0.08), transparent 30%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(246, 249, 252, 0.9));
}

.builder-card {
  display: grid;
  gap: 16px;
}

.form-row {
  display: grid;
  gap: 10px;
}

.form-row label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-weight: 600;
}

.form-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.builder-card input,
.builder-card select {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  color: var(--text);
  background: rgba(248, 250, 252, 0.96);
  border: 1px solid rgba(11, 31, 58, 0.14);
  border-radius: 16px;
}

.builder-card input[type="file"] {
  padding: 10px 12px;
}

.builder-card input[type="range"] {
  padding: 0;
}

.builder-card input:focus,
.builder-card select:focus,
.filter-chip:focus,
.track-tab:focus,
.button:focus,
.nav-cta:focus {
  outline: 2px solid rgba(47, 107, 255, 0.32);
  outline-offset: 2px;
}

#confidence-output {
  color: var(--action);
  font-size: 0.92rem;
  font-weight: 700;
}

.brief-card {
  display: grid;
  gap: 18px;
}

.brief-card h3 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  font-family: "Instrument Serif", serif;
  line-height: 0.98;
}

.brief-block {
  padding-top: 16px;
  border-top: 1px solid var(--card-line);
}

.brief-label {
  margin: 0 0 10px;
}

.track-switcher,
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.track-tab,
.filter-chip {
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid rgba(11, 31, 58, 0.12);
  background: rgba(255, 255, 255, 0.82);
}

.track-tab.is-active,
.filter-chip.is-active {
  color: #f8fafc;
  background: linear-gradient(135deg, var(--action), var(--action-strong));
  border-color: transparent;
  box-shadow: 0 12px 24px rgba(47, 107, 255, 0.22);
}

.demo-grid {
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  margin-top: 20px;
}

.transcript-card {
  background:
    radial-gradient(circle at top right, rgba(47, 107, 255, 0.16), transparent 28%),
    radial-gradient(circle at 10% 12%, rgba(201, 162, 39, 0.12), transparent 20%),
    linear-gradient(160deg, rgba(7, 19, 38, 0.98), rgba(11, 31, 58, 0.96));
  color: #f8fafc;
}

.transcript-card .demo-subtitle,
.transcript-card .muted-label {
  color: rgba(248, 250, 252, 0.7);
}

.transcript-card h3 {
  margin-top: 18px;
  font-family: "Instrument Serif", serif;
  font-size: clamp(2rem, 4vw, 3rem);
}

.transcript-list {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.feedback-card {
  display: grid;
  gap: 18px;
  align-content: start;
}

.metric-stack {
  display: grid;
  gap: 12px;
}

.metric-row {
  display: grid;
  gap: 8px;
}

.metric-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.9rem;
}

.metric-bar {
  overflow: hidden;
  height: 10px;
  border-radius: 999px;
  background: rgba(11, 31, 58, 0.08);
}

.metric-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--action), #6e95ff);
}

.feedback-block {
  padding-top: 16px;
  border-top: 1px solid var(--card-line);
}

.feedback-list {
  display: grid;
  gap: 10px;
}

.library-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 22px;
}

.library-card span {
  display: inline-flex;
  padding: 8px 11px;
  border-radius: var(--radius-sm);
  color: #7a5f16;
  background: var(--gold-soft);
  font-size: 0.82rem;
}

.library-card h3 {
  margin-top: 16px;
}

.knowledge-grid {
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
}

.knowledge-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.architecture-card {
  display: grid;
  align-content: start;
  gap: 18px;
  background:
    radial-gradient(circle at top right, rgba(47, 107, 255, 0.08), transparent 24%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(246, 249, 252, 0.92));
  border-color: rgba(11, 31, 58, 0.12);
}

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

.architecture-list strong {
  display: inline-block;
  margin-right: 6px;
}

.proof-grid,
.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.testimonial-card p {
  font-size: 1.08rem;
  line-height: 1.55;
}

.testimonial-card span {
  display: block;
  margin-top: 18px;
  font-size: 0.92rem;
}

.pricing-section {
  display: grid;
  gap: 24px;
}

.pricing-copy {
  max-width: 640px;
}

.pricing-card {
  display: grid;
  align-content: start;
  gap: 18px;
}

.pricing-card-featured {
  background:
    radial-gradient(circle at top right, rgba(47, 107, 255, 0.18), transparent 24%),
    radial-gradient(circle at 18% 22%, rgba(201, 162, 39, 0.12), transparent 16%),
    linear-gradient(160deg, rgba(7, 19, 38, 0.98), rgba(11, 31, 58, 0.96));
  color: #f8fafc;
  border-color: rgba(255, 255, 255, 0.08);
}

.pricing-card h3 {
  font-size: clamp(2.4rem, 5vw, 4rem);
}

.pricing-card h3 span {
  color: var(--muted-soft);
}

.pricing-card-featured .pricing-label {
  color: var(--gold);
}

.pricing-card-featured .pricing-subtitle,
.pricing-card-featured li {
  color: rgba(248, 250, 252, 0.74);
}

.pricing-card-featured h3 span {
  color: rgba(248, 250, 252, 0.62);
}

.pricing-list {
  display: grid;
  gap: 10px;
}

.site-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  color: #f8fafc;
  background:
    linear-gradient(180deg, rgba(9, 25, 47, 0.98), rgba(13, 33, 63, 0.95));
  border-color: rgba(255, 255, 255, 0.06);
}

.site-footer p {
  margin: 0;
  color: rgba(248, 250, 252, 0.72);
}

.is-hidden {
  display: none;
}

@keyframes pulse {
  0%,
  100% {
    transform: scaleY(0.35);
    opacity: 0.58;
  }
  50% {
    transform: scaleY(1);
    opacity: 1;
  }
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-22px, -18px, 0) scale(1.08);
  }
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 1120px) {
  .hero,
  .hero-panel,
  .builder-grid,
  .demo-grid,
  .knowledge-grid {
    grid-template-columns: 1fr;
  }

  .modes-grid,
  .library-grid,
  .proof-grid,
  .pricing-grid,
  .flow-grid,
  .knowledge-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero h1 {
    max-width: 12ch;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
    padding-top: 14px;
  }

  .site-header,
  .hero,
  .logo-band,
  .section,
  .site-footer {
    padding: 22px;
    border-radius: 24px;
  }

  .site-header {
    top: 10px;
    flex-wrap: wrap;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }

  .brand-logo {
    height: 30px;
  }

  .nav-cta {
    width: 100%;
  }

  .hero,
  .demo-grid,
  .builder-grid,
  .knowledge-grid,
  .pricing-grid,
  .proof-grid,
  .modes-grid,
  .flow-grid,
  .library-grid,
  .knowledge-columns,
  .form-split {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 12vw, 4.6rem);
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .school-logo {
    min-width: 152px;
    height: 68px;
    padding: 0 16px;
  }

  .school-logo-image {
    max-width: 174px;
    max-height: 33px;
  }

  .track-switcher,
  .filter-row {
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .logo-track {
    animation-duration: 20s;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .logo-carousel {
    mask-image: none;
  }
}