:root {
  --ink: #101723;
  --navy: #0a2340;
  --blue: #123c69;
  --gold: #c59a2e;
  --sage: #64746b;
  --ivory: #f7f3ea;
  --paper: #fffdf7;
  --mist: #e6e0d2;
  --line: rgba(16, 23, 35, 0.16);
  --shadow: 0 24px 70px rgba(10, 35, 64, 0.16);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Arial, Helvetica, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--ivory);
  font-family: var(--sans);
  line-height: 1.55;
}

img {
  display: block;
  max-width: 100%;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(10, 35, 64, 0.96);
  color: var(--paper);
  border-bottom: 1px solid rgba(255, 253, 247, 0.14);
  backdrop-filter: blur(14px);
}

.brand {
  display: grid;
  grid-template-columns: 42px auto;
  gap: 10px;
  align-items: center;
  min-width: 248px;
}

.brand img {
  width: 42px;
  height: 34px;
  object-fit: contain;
}

.brand span {
  display: grid;
  gap: 2px;
}

.brand strong {
  color: var(--paper);
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 5px;
}

.brand em {
  color: rgba(255, 253, 247, 0.92);
  font-family: var(--serif);
  font-size: 12px;
  font-style: italic;
  line-height: 1;
  letter-spacing: 4px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.site-nav a {
  opacity: 0.86;
}

.site-nav a:hover {
  opacity: 1;
}

.nav-cta {
  padding: 11px 16px;
  color: var(--ink);
  background: var(--gold);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 253, 247, 0.3);
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--paper);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.62fr);
  gap: clamp(30px, 6vw, 92px);
  align-items: center;
  min-height: min(840px, calc(100vh - 78px));
  padding: clamp(48px, 7vw, 82px) clamp(22px, 5vw, 72px) clamp(112px, 10vw, 136px);
  color: var(--paper);
  background:
    radial-gradient(rgba(197, 154, 46, 0.07) 1px, transparent 1.5px) 0 0 / 26px 26px,
    linear-gradient(120deg, rgba(10, 35, 64, 0.97), rgba(16, 23, 35, 0.9)),
    linear-gradient(90deg, rgba(197, 154, 46, 0.22), transparent 55%);
}

.hero::after {
  content: "";
  position: absolute;
  left: clamp(22px, 5vw, 72px);
  right: clamp(22px, 5vw, 72px);
  bottom: 154px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(197, 154, 46, 0.9), transparent);
}

.hero-copy {
  min-width: 0;
  max-width: 820px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: var(--serif);
  font-weight: 700;
  line-height: 0.98;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(56px, 11vw, 124px);
}

h2 {
  max-width: 980px;
  margin-bottom: 22px;
  font-size: clamp(34px, 5.4vw, 74px);
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.18;
}

.hero-lede {
  max-width: 690px;
  width: 100%;
  margin-bottom: 34px;
  color: rgba(255, 253, 247, 0.84);
  font-size: clamp(19px, 2vw, 25px);
  overflow-wrap: break-word;
}

.hero-actions,
.module-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  font-weight: 800;
}

.button.primary {
  color: var(--ink);
  background: var(--gold);
}

.button.secondary {
  color: var(--paper);
  border: 1px solid rgba(255, 253, 247, 0.34);
}

.hero-visual {
  min-width: 0;
  justify-self: center;
  width: min(340px, 80vw);
  filter: drop-shadow(0 26px 38px rgba(0, 0, 0, 0.28));
}

.hero-metrics {
  position: absolute;
  right: clamp(22px, 5vw, 72px);
  bottom: 30px;
  left: clamp(22px, 5vw, 72px);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: 620px;
  margin-left: auto;
  background: rgba(255, 253, 247, 0.18);
}

.hero-metrics div {
  padding: 18px 20px;
  background: rgba(10, 35, 64, 0.72);
}

.hero-metrics strong {
  display: block;
  color: var(--gold);
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1;
}

.hero-metrics span {
  color: rgba(255, 253, 247, 0.82);
  font-size: 13px;
  text-transform: uppercase;
}

.section {
  padding: clamp(70px, 9vw, 126px) clamp(22px, 5vw, 72px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(220px, 0.34fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 80px);
  align-items: start;
  margin-bottom: 44px;
}

.section-heading h2 {
  margin-bottom: 0;
}

.section-heading.narrow {
  display: block;
  max-width: 970px;
}

.intro-band {
  background: var(--paper);
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 5vw, 70px);
  max-width: 1040px;
  margin-left: auto;
  font-size: clamp(18px, 2vw, 23px);
}

.category {
  background: #ece5d6;
}

.proof-grid,
.credential-grid,
.delivery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.proof-grid article,
.credential-grid article,
.delivery-grid article {
  min-height: 250px;
  padding: clamp(24px, 4vw, 42px);
  background: var(--paper);
}

.proof-grid span,
.module-list span {
  display: inline-block;
  color: var(--gold);
  font-family: var(--serif);
  font-size: 42px;
  line-height: 1;
}

/* Icon + number header row */
.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 26px;
}

.module-list .card-top {
  margin-bottom: 20px;
}

.module-list span {
  font-size: 34px;
}

/* Thin line icons */
.card-icon {
  width: 34px;
  height: 34px;
  color: var(--gold);
  flex: none;
}

.proof-grid .card-icon,
.module-list .card-icon {
  width: 30px;
  height: 30px;
  color: var(--blue);
}

/* Icon chips on standalone cards (no number) */
.function-row .card-icon,
.tier-grid .card-icon,
.credential-grid .card-icon,
.delivery-grid .card-icon {
  display: block;
  width: 46px;
  height: 46px;
  padding: 9px;
  margin-bottom: 22px;
  border-radius: 12px;
  background: rgba(197, 154, 46, 0.12);
}

.function-row .card-icon {
  background: rgba(197, 154, 46, 0.16);
}

.operating-system {
  color: var(--paper);
  background: var(--ink);
}

.function-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 253, 247, 0.18);
}

.function-row div {
  min-height: 190px;
  padding: 30px;
  background: #13283f;
}

.function-row strong {
  display: block;
  margin-bottom: 18px;
  color: var(--gold);
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 42px);
}

.function-row span {
  color: rgba(255, 253, 247, 0.78);
  font-size: 18px;
}

.audience {
  background: var(--paper);
}

.audience-list {
  max-width: 1120px;
  margin-left: auto;
  border-top: 1px solid var(--line);
}

.audience-list article {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left 0.25s ease;
}

.audience-list article:hover {
  padding-left: 12px;
}

.audience-list article > div {
  display: grid;
  grid-template-columns: minmax(160px, 0.32fr) minmax(0, 1fr);
  gap: 24px;
  align-items: baseline;
}

.audience-list .card-icon {
  width: 38px;
  height: 38px;
}

.audience-list h3,
.audience-list p {
  margin-bottom: 0;
}

.architecture {
  background: #dfe5df;
}

.tier-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.tier-grid article {
  padding: clamp(28px, 5vw, 56px);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.tier-label {
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.tier-grid strong {
  display: inline-block;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 2px solid var(--gold);
}

.modules {
  background: var(--paper);
}

.module-tabs {
  margin-bottom: 28px;
}

.module-tabs button {
  min-width: 132px;
  padding: 12px 18px;
  color: var(--ink);
  font: inherit;
  font-weight: 800;
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
}

.module-tabs button.active {
  color: var(--paper);
  background: var(--navy);
  border-color: var(--navy);
}

.module-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.module-list article {
  min-height: 250px;
  padding: 30px;
  background: #fbf8f0;
}

.module-list[data-active-tier="essentials"] article[data-tier="advanced"],
.module-list[data-active-tier="advanced"] article[data-tier="essentials"] {
  display: none;
}

.rhythm {
  color: var(--paper);
  background: var(--blue);
}

.rhythm-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.45fr) minmax(0, 1fr);
  gap: clamp(26px, 5vw, 76px);
}

.model {
  display: grid;
  gap: 1px;
  background: rgba(255, 253, 247, 0.2);
}

.model div {
  padding: 30px;
  background: rgba(10, 35, 64, 0.58);
}

.model strong {
  display: block;
  color: var(--gold);
  font-family: var(--serif);
  font-size: 54px;
  line-height: 1;
}

.session-steps {
  display: grid;
  gap: 1px;
  padding: 0;
  margin: 0;
  list-style: none;
  background: rgba(255, 253, 247, 0.2);
}

.session-steps li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  align-items: center;
  padding: 18px 22px;
  background: rgba(255, 253, 247, 0.08);
}

.session-steps span {
  color: var(--gold);
  font-weight: 800;
}

.credential {
  background: #f1ede2;
}

.faculty {
  display: grid;
  grid-template-columns: minmax(240px, 0.38fr) minmax(0, 0.62fr);
  gap: clamp(30px, 7vw, 94px);
  align-items: center;
  background: var(--paper);
}

.faculty-image img {
  width: min(430px, 100%);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  box-shadow: var(--shadow);
}

.faculty-copy {
  max-width: 760px;
}

.faculty-copy p {
  font-size: 18px;
}

.quote-band {
  padding: clamp(70px, 9vw, 120px) clamp(22px, 5vw, 72px);
  color: var(--paper);
  background: var(--ink);
}

blockquote {
  max-width: 1020px;
  margin: 0 auto;
}

blockquote p {
  margin-bottom: 22px;
  font-family: var(--serif);
  font-size: clamp(34px, 5vw, 70px);
  line-height: 1.05;
}

blockquote cite {
  color: var(--gold);
  font-style: normal;
  font-weight: 800;
}

.delivery {
  background: var(--ivory);
}

.delivery-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.delivery-grid article {
  min-height: 220px;
}

.final-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: clamp(54px, 7vw, 90px) clamp(22px, 5vw, 72px);
  color: var(--paper);
  background: var(--navy);
}

.final-cta h2 {
  max-width: 900px;
  margin-bottom: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  padding: 28px clamp(22px, 5vw, 72px);
  color: rgba(255, 253, 247, 0.76);
  background: var(--ink);
  font-size: 14px;
}

.site-footer a {
  color: var(--gold);
  font-weight: 800;
}

@media (max-width: 980px) {
  .site-header {
    min-height: 70px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 70px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 22px 22px;
    background: var(--navy);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 253, 247, 0.12);
  }

  .nav-cta {
    margin-top: 10px;
    padding: 13px 16px;
    text-align: center;
    border-bottom: 0;
  }

  .hero,
  .section-heading,
  .rhythm-layout,
  .faculty,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 54px;
  }

  .hero-metrics {
    position: static;
    grid-column: 1 / -1;
    width: 100%;
    max-width: none;
    margin-left: 0;
    margin-top: 12px;
  }

  .hero::after {
    display: none;
  }

  .proof-grid,
  .module-list,
  .credential-grid,
  .delivery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .brand {
    grid-template-columns: 34px auto;
    gap: 8px;
    min-width: 0;
  }

  .brand img {
    width: 34px;
    height: 28px;
  }

  .brand strong {
    font-size: 18px;
    letter-spacing: 3px;
  }

  .brand em {
    font-size: 10px;
    letter-spacing: 3px;
  }

  .hero {
    padding-bottom: 54px;
  }

  .hero-copy,
  .section-heading,
  .section-heading.narrow,
  .intro-grid,
  .faculty-copy,
  .final-cta > div {
    width: 100%;
    max-width: 342px;
  }

  .hero-copy h1 {
    font-size: 54px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 342px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-metrics,
  .intro-grid,
  .proof-grid,
  .function-row,
  .tier-grid,
  .module-list,
  .credential-grid,
  .delivery-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics div {
    padding: 16px;
  }

  .audience-list article,
  .session-steps li {
    grid-template-columns: 1fr;
  }

  .proof-grid article,
  .module-list article,
  .credential-grid article,
  .delivery-grid article {
    min-height: auto;
  }

  .final-cta .button {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
  }

  .audience-list article {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 16px;
  }

  .audience-list article > div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

/* ============================================================
   Aesthetic polish: accents, hover, motion
   ============================================================ */

/* Editorial gold tick before every eyebrow label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  letter-spacing: 1.5px;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--gold);
  flex: none;
}

/* Buttons + nav: subtle interactive feedback */
.button,
.nav-cta {
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease,
    opacity 0.2s ease;
}

.button.primary:hover,
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(197, 154, 46, 0.34);
}

.button.secondary:hover {
  background: rgba(255, 253, 247, 0.1);
  transform: translateY(-2px);
}

/* Card icons gently respond on hover */
.card-icon {
  transition: transform 0.3s ease, color 0.3s ease;
}

/* Table-style cards (sit in 1px-gap grids): tint + inset gold bar */
.proof-grid article,
.module-list article,
.credential-grid article,
.delivery-grid article,
.function-row div {
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.proof-grid article:hover,
.module-list article:hover,
.credential-grid article:hover,
.delivery-grid article:hover {
  background: #fff;
  box-shadow: inset 0 3px 0 0 var(--gold);
}

.proof-grid article:hover .card-icon,
.module-list article:hover .card-icon,
.credential-grid article:hover .card-icon,
.delivery-grid article:hover .card-icon {
  transform: translateY(-3px) scale(1.06);
}

.function-row div:hover {
  background: #18324d;
  box-shadow: inset 0 3px 0 0 var(--gold);
}

.function-row div:hover .card-icon {
  transform: translateY(-3px) scale(1.06);
}

/* Tier cards float (they have shadow + real gap) */
.tier-grid article {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tier-grid article:hover {
  transform: translateY(-6px);
  box-shadow: 0 34px 80px rgba(10, 35, 64, 0.22);
}

.tier-grid article:hover .card-icon {
  transform: translateY(-3px) scale(1.06);
}

/* Decorative quotation mark in the quote band */
.quote-band {
  position: relative;
  overflow: hidden;
}

.quote-band::before {
  content: "\201C";
  position: absolute;
  top: -0.18em;
  left: clamp(10px, 4vw, 60px);
  color: var(--gold);
  opacity: 0.16;
  font-family: var(--serif);
  font-size: clamp(180px, 28vw, 340px);
  line-height: 1;
  pointer-events: none;
}

blockquote {
  position: relative;
}

/* Hero corner flourish */
.hero::before {
  content: "";
  position: absolute;
  top: clamp(30px, 5vw, 56px);
  right: clamp(22px, 5vw, 72px);
  width: 96px;
  height: 96px;
  border-top: 2px solid rgba(197, 154, 46, 0.55);
  border-right: 2px solid rgba(197, 154, 46, 0.55);
  pointer-events: none;
}

/* Gentle scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Stagger children within a revealed group */
.reveal-group.is-visible > * {
  animation: rise 0.6s ease both;
}

.reveal-group.is-visible > *:nth-child(2) { animation-delay: 0.07s; }
.reveal-group.is-visible > *:nth-child(3) { animation-delay: 0.14s; }
.reveal-group.is-visible > *:nth-child(4) { animation-delay: 0.21s; }
.reveal-group.is-visible > *:nth-child(5) { animation-delay: 0.28s; }
.reveal-group.is-visible > *:nth-child(6) { animation-delay: 0.35s; }

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

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal.is-visible,
  .reveal-group.is-visible > * {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ============================================================
   Jazz layer: progress bar, ambient texture, micro-interactions
   ============================================================ */

/* Scroll progress bar */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 60;
  width: 100%;
  height: 3px;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--gold), #e9c769);
  box-shadow: 0 0 12px rgba(197, 154, 46, 0.6);
  will-change: transform;
}

/* Ambient gold glow on the dark sections */
.operating-system {
  background:
    radial-gradient(circle at 85% 12%, rgba(197, 154, 46, 0.12), transparent 42%),
    radial-gradient(circle at 8% 90%, rgba(18, 60, 105, 0.5), transparent 45%),
    var(--ink);
}

.rhythm {
  background:
    radial-gradient(circle at 12% 88%, rgba(197, 154, 46, 0.12), transparent 40%),
    var(--blue);
}

.quote-band {
  background:
    radial-gradient(circle at 50% -10%, rgba(197, 154, 46, 0.1), transparent 55%),
    var(--ink);
}

.final-cta {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 92% 50%, rgba(197, 154, 46, 0.16), transparent 48%),
    var(--navy);
}

/* Animated underline on primary nav links */
.site-nav a:not(.nav-cta) {
  position: relative;
}

.site-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -5px;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.site-nav a:not(.nav-cta):hover::after {
  transform: scaleX(1);
}

/* Module tab transitions */
.module-tabs button {
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease,
    transform 0.2s ease;
}

.module-tabs button:hover {
  border-color: var(--navy);
  transform: translateY(-1px);
}

/* Count-up numbers get a faint glow as they settle */
.hero-metrics strong,
.model strong {
  transition: text-shadow 0.4s ease;
}

.hero-metrics.is-visible strong,
.model.is-visible strong {
  text-shadow: 0 0 22px rgba(197, 154, 46, 0.35);
}

/* Section headings: animated gold rule that draws in under the H2 */
.section-heading h2,
.section-heading.narrow h2 {
  position: relative;
}

.section-heading.is-visible h2::after {
  content: "";
  display: block;
  width: 64px;
  height: 3px;
  margin-top: 20px;
  background: var(--gold);
  transform-origin: left;
  animation: draw-rule 0.6s ease 0.2s both;
}

@keyframes draw-rule {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-progress {
    display: none;
  }

  .section-heading.is-visible h2::after {
    animation: none;
  }
}

/* ============================================================
   Texture + brand-mark watermarks (less flat backgrounds)
   ============================================================ */

/* Fine dot-grid on the light sections (navy dots, very faint) */
.intro-band,
.audience,
.modules,
.faculty {
  background-color: var(--paper);
  background-image: radial-gradient(rgba(10, 35, 64, 0.045) 1px, transparent 1.5px);
  background-size: 24px 24px;
}

.category {
  background-color: #ece5d6;
  background-image: radial-gradient(rgba(10, 35, 64, 0.05) 1px, transparent 1.5px);
  background-size: 24px 24px;
}

.architecture {
  background-color: #dfe5df;
  background-image: radial-gradient(rgba(10, 35, 64, 0.05) 1px, transparent 1.5px);
  background-size: 24px 24px;
}

.credential {
  background-color: #f1ede2;
  background-image: radial-gradient(rgba(10, 35, 64, 0.045) 1px, transparent 1.5px);
  background-size: 24px 24px;
}

.delivery {
  background-color: var(--ivory);
  background-image: radial-gradient(rgba(10, 35, 64, 0.045) 1px, transparent 1.5px);
  background-size: 24px 24px;
}

/* Dark sections: keep the glow, add a faint diagonal hairline weave */
.operating-system {
  background-color: var(--ink);
  background-image:
    radial-gradient(circle at 85% 12%, rgba(197, 154, 46, 0.12), transparent 42%),
    radial-gradient(circle at 8% 90%, rgba(18, 60, 105, 0.5), transparent 45%),
    repeating-linear-gradient(135deg, rgba(255, 253, 247, 0.025) 0 1px, transparent 1px 12px);
}

.rhythm {
  background-color: var(--blue);
  background-image:
    radial-gradient(circle at 12% 88%, rgba(197, 154, 46, 0.12), transparent 40%),
    repeating-linear-gradient(135deg, rgba(255, 253, 247, 0.03) 0 1px, transparent 1px 12px);
}

.quote-band {
  background-color: var(--ink);
  background-image:
    radial-gradient(circle at 50% -10%, rgba(197, 154, 46, 0.1), transparent 55%),
    repeating-linear-gradient(135deg, rgba(255, 253, 247, 0.025) 0 1px, transparent 1px 12px);
}

.final-cta {
  position: relative;
  overflow: hidden;
  background-color: var(--navy);
  background-image:
    radial-gradient(circle at 92% 50%, rgba(197, 154, 46, 0.16), transparent 48%),
    repeating-linear-gradient(135deg, rgba(255, 253, 247, 0.03) 0 1px, transparent 1px 12px);
}

/* Watermark: graduation-cap mark in the credential (recognition) band */
.credential {
  position: relative;
  overflow: hidden;
}

.credential::after {
  content: "";
  position: absolute;
  top: -34px;
  right: -28px;
  width: clamp(180px, 26vw, 320px);
  height: clamp(150px, 22vw, 270px);
  background: url("assets/ppt-media/image4.png") no-repeat center / contain;
  opacity: 0.07;
  pointer-events: none;
}

/* Watermark: ivory wordmark behind the final CTA */
.final-cta::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -14%;
  transform: translateX(-50%);
  width: min(940px, 92%);
  height: 78%;
  background: url("assets/ppt-media/image1.png") no-repeat center / contain;
  opacity: 0.06;
  pointer-events: none;
}

.final-cta > * {
  position: relative;
  z-index: 1;
}

/* Diamond motif flourish above the pull-quote */
.quote-diamond {
  width: 24px;
  height: auto;
  margin: 0 0 24px;
  opacity: 0.9;
  filter: drop-shadow(0 0 14px rgba(197, 154, 46, 0.35));
}

.quote-band.is-visible .quote-diamond {
  animation: rise 0.6s ease both;
}

/* ============================================================
   Endorsements (book praise) + client track record
   ============================================================ */

/* Praise: light section with the shared dot texture */
.praise {
  background-color: var(--paper);
  background-image: radial-gradient(rgba(10, 35, 64, 0.045) 1px, transparent 1.5px);
  background-size: 24px 24px;
}

.praise-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.praise-grid figure {
  position: relative;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: clamp(26px, 3vw, 38px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  box-shadow: 0 16px 44px rgba(10, 35, 64, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.praise-grid figure:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 64px rgba(10, 35, 64, 0.16);
}

.praise-grid figure::before {
  content: "\201C";
  display: block;
  margin-bottom: 6px;
  color: var(--gold);
  opacity: 0.38;
  font-family: var(--serif);
  font-size: 60px;
  line-height: 0.5;
}

.praise-grid blockquote {
  margin: 0 0 22px;
  font-family: var(--serif);
  font-size: clamp(17px, 1.4vw, 20px);
  line-height: 1.42;
  color: var(--ink);
}

.praise-grid figcaption {
  display: grid;
  gap: 4px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.praise-grid figcaption strong {
  color: var(--navy);
  font-size: 15px;
}

.praise-grid figcaption span {
  color: var(--sage);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Clients: dark band with logo wall + client quotes */
.clients {
  color: var(--paper);
  background-color: var(--navy);
  background-image:
    radial-gradient(circle at 88% 10%, rgba(197, 154, 46, 0.14), transparent 45%),
    repeating-linear-gradient(135deg, rgba(255, 253, 247, 0.03) 0 1px, transparent 1px 12px);
}

.clients .eyebrow {
  color: var(--gold);
}

.clients h2 {
  color: var(--paper);
}

.clients-intro {
  max-width: 760px;
  margin: 0 0 36px;
  color: rgba(255, 253, 247, 0.82);
  font-size: clamp(16px, 1.4vw, 19px);
}

.logo-wall {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  margin: 0 0 48px;
  padding: 0;
  list-style: none;
  background: rgba(255, 253, 247, 0.16);
  border: 1px solid rgba(255, 253, 247, 0.16);
}

.logo-wall li {
  flex: 1 1 190px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 96px;
  padding: 18px 22px;
  text-align: center;
  background: #0c2747;
  color: rgba(255, 253, 247, 0.82);
  font-family: var(--serif);
  font-size: clamp(16px, 1.4vw, 20px);
  letter-spacing: 0.4px;
  transition: color 0.25s ease, background 0.25s ease;
}

.logo-wall li:hover {
  color: var(--gold);
  background: #10325a;
}

.client-quotes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255, 253, 247, 0.16);
  border: 1px solid rgba(255, 253, 247, 0.16);
}

.client-quotes figure {
  margin: 0;
  padding: clamp(26px, 3vw, 40px);
  background: #0c2747;
  transition: background 0.3s ease;
}

.client-quotes figure:hover {
  background: #10325a;
}

.client-quotes blockquote {
  position: relative;
  margin: 0 0 16px;
  padding-left: 26px;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(18px, 1.6vw, 23px);
  line-height: 1.4;
  color: var(--paper);
}

.client-quotes blockquote::before {
  content: "\201C";
  position: absolute;
  left: -4px;
  top: 6px;
  color: var(--gold);
  font-size: 40px;
  line-height: 0;
}

.client-quotes figcaption {
  color: var(--gold);
  font-weight: 800;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

@media (max-width: 980px) {
  .praise-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .praise-grid,
  .client-quotes {
    grid-template-columns: 1fr;
  }
}