:root {
  --paper: #f7f3ea;
  --paper-quiet: #efe8dc;
  --ink: #171a1c;
  --graphite: #3b4146;
  --muted: #6e7472;
  --mist: #e7ece8;
  --line: #cbd4ce;
  --line-strong: #9aa8a1;
  --signal: #27c483;
  --signal-dark: #0d6b68;
  --gold: #c89b3c;
  --coral: #d86f5f;
  --white: #fffaf0;
  --shadow: 0 24px 70px rgba(23, 26, 28, 0.13);
  --shadow-soft: 0 14px 36px rgba(23, 26, 28, 0.08);
  --radius: 8px;
  --max-width: 1180px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-large: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 98px;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(23, 26, 28, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(23, 26, 28, 0.03) 1px, transparent 1px),
    var(--paper);
  background-size: 48px 48px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
  overflow-x: hidden;
}

body::selection {
  color: var(--ink);
  background: rgba(39, 196, 131, 0.3);
}

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

.skip-link {
  position: fixed;
  z-index: 130;
  top: 14px;
  left: 14px;
  padding: 10px 12px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  color: var(--paper);
  background: var(--ink);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  transition: opacity 160ms var(--ease-out), transform 160ms var(--ease-out);
}

.skip-link:focus-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

svg {
  display: block;
  width: 100%;
  height: 100%;
}

svg path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.scroll-progress {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: calc(var(--scroll-progress, 0) * 100%);
  height: 3px;
  background: linear-gradient(90deg, var(--signal), var(--gold), var(--coral));
  transform-origin: left center;
}

.site-nav {
  position: fixed;
  z-index: 90;
  top: 14px;
  left: 50%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 22px;
  width: min(calc(100% - 32px), 1180px);
  min-height: 56px;
  padding: 8px 10px 8px 14px;
  border: 1px solid rgba(203, 212, 206, 0.8);
  border-radius: var(--radius);
  background: rgba(247, 243, 234, 0.82);
  box-shadow: 0 18px 42px rgba(23, 26, 28, 0.08);
  backdrop-filter: blur(18px);
  transform: translateX(-50%);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-size: 13px;
  color: var(--graphite);
  white-space: nowrap;
}

.brand-initials {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: var(--ink);
  background: var(--paper);
}

.brand-copy {
  font-weight: 680;
}

.nav-links {
  display: inline-flex;
  justify-content: center;
  gap: 4px;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 13px;
  transition: color 160ms var(--ease-out), background 160ms var(--ease-out);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink);
  background: rgba(231, 236, 232, 0.86);
}

.nav-actions {
  display: inline-flex;
  justify-content: flex-end;
  gap: 8px;
}

.nav-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 96px;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: background 160ms var(--ease-out), color 160ms var(--ease-out), transform 160ms var(--ease-out);
}

.nav-action:hover,
.nav-action:focus-visible {
  color: var(--paper);
  background: var(--ink);
}

.nav-action:active {
  transform: translateY(1px);
}

.section-shell {
  position: relative;
  padding: 112px 0;
  scroll-margin-top: 94px;
}

.content-grid {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
}

.hero {
  display: grid;
  align-items: center;
  min-height: 92svh;
  padding-top: 112px;
  padding-bottom: 84px;
  overflow: hidden;
  background: var(--paper);
}

.signal-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.74;
}

.texture-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(110deg, rgba(247, 243, 234, 0.95) 0%, rgba(247, 243, 234, 0.62) 42%, rgba(247, 243, 234, 0.88) 100%),
    repeating-linear-gradient(90deg, rgba(23, 26, 28, 0.038) 0 1px, transparent 1px 96px);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.8fr);
  align-items: center;
  gap: 72px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--signal-dark);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

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

h1,
h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 520;
  line-height: 0.95;
  letter-spacing: 0;
}

h1 {
  max-width: 8ch;
  margin-bottom: 20px;
  font-size: clamp(4.25rem, 8vw, 6.9rem);
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(2.35rem, 4.6vw, 4.1rem);
}

h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
  line-height: 1.2;
}

.role-line {
  max-width: 620px;
  margin-bottom: 22px;
  color: var(--graphite);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 680;
}

.hero-statement {
  max-width: 720px;
  margin-bottom: 32px;
  color: var(--ink);
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1.18;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 17px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 720;
  cursor: pointer;
  transition: transform 160ms var(--ease-out), background 160ms var(--ease-out), color 160ms var(--ease-out), border-color 160ms var(--ease-out);
}

.button:active {
  transform: translateY(1px);
}

.button.primary {
  border: 1px solid var(--ink);
  color: var(--paper);
  background: var(--ink);
}

.button.primary:hover,
.button.primary:focus-visible {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
}

.button.secondary {
  border: 1px solid var(--line-strong);
  color: var(--ink);
  background: rgba(255, 250, 240, 0.5);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  border-color: var(--ink);
  background: var(--white);
}

.button-icon {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.hero-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 650px;
  margin-bottom: 18px;
}

.hero-rail span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid rgba(154, 168, 161, 0.7);
  border-radius: 999px;
  color: var(--graphite);
  background: rgba(247, 243, 234, 0.68);
  font-size: 12px;
}

.hero-impact-peek {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(100%, 560px);
  border: 1px solid rgba(154, 168, 161, 0.72);
  border-radius: var(--radius);
  background: rgba(255, 250, 240, 0.62);
  box-shadow: 0 12px 28px rgba(23, 26, 28, 0.055);
  overflow: hidden;
  transition: border-color 160ms var(--ease-out), transform 160ms var(--ease-out), background 160ms var(--ease-out);
}

.hero-impact-peek:hover,
.hero-impact-peek:focus-visible {
  border-color: var(--signal-dark);
  background: rgba(255, 250, 240, 0.86);
  transform: translateY(-2px);
}

.hero-impact-peek span {
  display: grid;
  gap: 4px;
  min-height: 68px;
  padding: 12px 14px;
  border-right: 1px solid rgba(154, 168, 161, 0.5);
}

.hero-impact-peek span:last-child {
  border-right: 0;
}

.hero-impact-peek strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.38rem;
  line-height: 1;
}

.hero-impact-peek small {
  color: var(--muted);
  font-size: 12px;
}

.system-lens {
  position: relative;
  align-self: stretch;
  min-height: 520px;
  padding: 24px;
  border: 1px solid rgba(59, 65, 70, 0.18);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 250, 240, 0.76), rgba(231, 236, 232, 0.66)),
    rgba(255, 250, 240, 0.58);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  overflow: hidden;
}

.system-lens::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(23, 26, 28, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(23, 26, 28, 0.05) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, transparent 0%, black 12%, black 86%, transparent 100%);
  pointer-events: none;
}

.lens-header,
.lens-footer {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
}

.lens-status {
  color: var(--signal-dark);
}

.signal-stack {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  margin: 50px 0;
}

.stack-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  align-items: center;
  gap: 14px;
  min-height: 78px;
  padding: 14px;
  border: 1px solid rgba(59, 65, 70, 0.16);
  border-radius: var(--radius);
  background: rgba(247, 243, 234, 0.72);
}

.stack-row strong,
.stack-row small {
  display: block;
}

.stack-row strong {
  margin-bottom: 4px;
}

.stack-row small {
  color: var(--muted);
  font-size: 12px;
}

.stack-node {
  position: relative;
  width: 32px;
  height: 32px;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.stack-node::before,
.stack-node::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.stack-node::before {
  inset: 8px;
  background: currentColor;
}

.stack-node::after {
  inset: -6px;
  border: 1px solid currentColor;
  opacity: 0.28;
  animation: pulse-ring 2.8s var(--ease-large) infinite;
}

.stack-row.input .stack-node {
  color: var(--coral);
}

.stack-row.retrieval .stack-node {
  color: var(--signal-dark);
}

.stack-row.ranking .stack-node {
  color: var(--gold);
}

.stack-row.impact .stack-node {
  color: var(--signal);
}

.flow-line {
  width: 1px;
  height: 24px;
  margin-left: 30px;
  background: linear-gradient(var(--line), var(--signal));
  opacity: 0.8;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.8);
    opacity: 0.28;
  }
  80%,
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

.impact-section {
  padding-top: 76px;
  background: linear-gradient(180deg, rgba(239, 232, 220, 0), rgba(231, 236, 232, 0.72));
}

.section-kicker {
  max-width: 780px;
  margin-bottom: 40px;
}

.section-kicker h2 {
  max-width: 820px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.metric-card {
  display: grid;
  align-content: space-between;
  min-height: 168px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 250, 240, 0.68);
  box-shadow: 0 12px 28px rgba(23, 26, 28, 0.045);
  transition: transform 180ms var(--ease-out), background 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.metric-card:hover {
  border-color: rgba(13, 107, 104, 0.42);
  background: rgba(39, 196, 131, 0.1);
  transform: translateY(-2px);
}

.metric-number {
  display: block;
  min-height: 58px;
  margin-bottom: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.5rem, 3.5vw, 3.65rem);
  line-height: 0.98;
  color: var(--ink);
}

.metric-card p {
  max-width: 19rem;
  margin-bottom: 0;
  color: var(--graphite);
  font-size: 0.95rem;
  line-height: 1.5;
}

.mission-section {
  background: linear-gradient(180deg, rgba(231, 236, 232, 0.72), rgba(247, 243, 234, 0.92));
}

.mission-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 76px;
  align-items: start;
}

.mission-copy {
  position: sticky;
  top: 112px;
}

.mission-copy p:not(.eyebrow) {
  max-width: 620px;
  color: var(--graphite);
  font-size: 1.13rem;
}

.principles {
  display: grid;
  gap: 12px;
}

.principle {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 10px 18px;
  width: 100%;
  min-height: 96px;
  padding: 20px;
  border: 1px solid rgba(154, 168, 161, 0.7);
  border-radius: var(--radius);
  color: var(--ink);
  text-align: left;
  background: rgba(255, 250, 240, 0.62);
  cursor: pointer;
  transition: border-color 180ms var(--ease-out), transform 180ms var(--ease-out), background 180ms var(--ease-out);
}

.principle:hover,
.principle:focus-visible,
.principle[aria-expanded="true"] {
  border-color: var(--signal-dark);
  background: rgba(39, 196, 131, 0.08);
  transform: translateX(2px);
}

.principle-mark {
  grid-row: span 2;
  color: var(--gold);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
}

.principle strong {
  align-self: end;
  font-size: 1.04rem;
}

.principle small {
  max-height: 0;
  overflow: hidden;
  color: var(--graphite);
  font-size: 0.95rem;
  opacity: 0;
  transition: max-height 220ms var(--ease-out), opacity 220ms var(--ease-out);
}

.principle[aria-expanded="true"] small {
  max-height: 80px;
  opacity: 1;
}

.journey-section {
  background: var(--paper);
}

.timeline {
  position: relative;
  display: grid;
  gap: 24px;
  max-width: 980px;
  margin-left: auto;
}

.timeline-rail {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 122px;
  width: 1px;
  background: var(--line);
}

.timeline-progress {
  display: block;
  width: 1px;
  height: calc(var(--timeline-progress, 0) * 100%);
  background: linear-gradient(var(--signal), var(--gold), var(--coral));
  transition: height 120ms linear;
}

.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 44px;
  align-items: start;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 116px;
  z-index: 1;
  width: 13px;
  height: 13px;
  border: 2px solid var(--paper);
  border-radius: 50%;
  background: var(--line-strong);
  box-shadow: 0 0 0 1px var(--line-strong);
  transition: background 180ms var(--ease-out), box-shadow 180ms var(--ease-out), transform 180ms var(--ease-out);
}

.timeline-item.is-active::before {
  background: var(--signal);
  box-shadow: 0 0 0 6px rgba(39, 196, 131, 0.18);
  transform: scale(1.08);
}

.timeline-year {
  position: sticky;
  top: 108px;
  color: var(--signal-dark);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  font-weight: 700;
}

.timeline-body {
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 250, 240, 0.7);
  box-shadow: 0 12px 28px rgba(23, 26, 28, 0.05);
}

.timeline-item.featured .timeline-body {
  border-color: rgba(13, 107, 104, 0.42);
  background: rgba(231, 236, 232, 0.76);
}

.timeline-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.timeline-heading h3 {
  margin-bottom: 3px;
}

.timeline-heading small {
  display: block;
  color: var(--muted);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
}

.org-logo {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(154, 168, 161, 0.72);
  border-radius: var(--radius);
  background: rgba(255, 250, 240, 0.82);
  box-shadow: 0 10px 22px rgba(23, 26, 28, 0.07);
  overflow: hidden;
}

.org-logo img {
  display: block;
  max-width: 84%;
  max-height: 76%;
  object-fit: contain;
}

.purdue-logo {
  width: 64px;
  background: #ffffff;
  border-color: rgba(206, 184, 136, 0.68);
}

.salesforce-logo {
  width: 72px;
  background: #ffffff;
  border-color: rgba(0, 161, 224, 0.3);
}

.amazon-logo {
  width: 92px;
  background: #ffffff;
  border-color: rgba(255, 153, 0, 0.32);
}

.tiktok-logo {
  background: #ffffff;
  border-color: rgba(23, 26, 28, 0.16);
}

.timeline-body p {
  margin-bottom: 16px;
  color: var(--graphite);
}

.timeline-throughline {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  margin-bottom: 16px;
  padding: 11px 0 0;
  border-top: 1px solid rgba(154, 168, 161, 0.45);
}

.timeline-throughline strong {
  color: var(--signal-dark);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.timeline-throughline span {
  color: var(--graphite);
  font-size: 0.91rem;
  line-height: 1.45;
}

.timeline-tag {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}

.systems-section {
  background: linear-gradient(180deg, rgba(247, 243, 234, 0.8), rgba(239, 232, 220, 0.82));
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.system-card {
  display: grid;
  gap: 14px;
  width: 100%;
  min-height: 242px;
  padding: 22px;
  border: 1px solid rgba(154, 168, 161, 0.72);
  border-radius: var(--radius);
  color: var(--ink);
  text-align: left;
  background: rgba(255, 250, 240, 0.64);
  cursor: pointer;
  transition: transform 180ms var(--ease-out), border-color 180ms var(--ease-out), background 180ms var(--ease-out);
}

.system-card:hover,
.system-card:focus-visible,
.system-card[aria-expanded="true"] {
  border-color: var(--ink);
  background: rgba(255, 250, 240, 0.92);
  transform: translateY(-3px);
}

.system-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--signal-dark);
}

.system-card strong {
  font-size: 1.12rem;
}

.system-card span:not(.system-icon) {
  color: var(--graphite);
  font-size: 0.96rem;
}

.system-card small {
  max-height: 0;
  overflow: hidden;
  color: var(--signal-dark);
  font-size: 0.91rem;
  opacity: 0;
  transition: max-height 240ms var(--ease-out), opacity 240ms var(--ease-out);
}

.system-card[aria-expanded="true"] small {
  max-height: 104px;
  opacity: 1;
}

.achievements-section {
  background: var(--paper);
}

.achievement-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.42fr) minmax(0, 0.58fr);
  gap: 44px;
  align-items: start;
}

.achievement-intro {
  position: sticky;
  top: 108px;
}

.achievement-intro p:not(.eyebrow) {
  color: var(--graphite);
}

.achievement-selector {
  display: grid;
  gap: 8px;
  margin-top: 28px;
}

.achievement-tab {
  display: grid;
  grid-template-columns: 38px 1fr;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--graphite);
  text-align: left;
  background: rgba(255, 250, 240, 0.58);
  cursor: pointer;
  transition: color 180ms var(--ease-out), border-color 180ms var(--ease-out), background 180ms var(--ease-out), transform 180ms var(--ease-out);
}

.achievement-tab:hover,
.achievement-tab:focus-visible,
.achievement-tab.is-active {
  color: var(--ink);
  border-color: var(--signal-dark);
  background: rgba(39, 196, 131, 0.09);
}

.achievement-tab.is-active {
  transform: translateX(4px);
}

.achievement-index {
  color: var(--gold);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
}

.achievement-panel {
  min-height: 620px;
  padding: 30px;
  border: 1px solid rgba(154, 168, 161, 0.75);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 250, 240, 0.88), rgba(231, 236, 232, 0.54)),
    var(--white);
  box-shadow: var(--shadow-soft);
}

.achievement-panel.is-changing {
  animation: panel-switch 260ms var(--ease-out);
}

@keyframes panel-switch {
  0% {
    opacity: 0.55;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.panel-topline {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 28px;
  color: var(--muted);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  text-transform: uppercase;
}

.achievement-panel h3 {
  max-width: 760px;
  margin-bottom: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 520;
  line-height: 1;
}

.achievement-summary {
  max-width: 700px;
  margin-bottom: 28px;
  color: var(--graphite);
  font-size: 1.06rem;
}

.achievement-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 28px;
}

.mini-metric {
  min-height: 106px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(247, 243, 234, 0.72);
}

.mini-metric strong {
  display: block;
  margin-bottom: 8px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.8rem;
  line-height: 1;
}

.mini-metric span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.achievement-diagram {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 28px;
}

.diagram-step {
  position: relative;
  min-height: 118px;
  padding: 16px;
  border: 1px solid rgba(154, 168, 161, 0.78);
  border-radius: var(--radius);
  background: rgba(255, 250, 240, 0.72);
}

.diagram-step::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -11px;
  width: 10px;
  height: 1px;
  background: var(--line-strong);
}

.diagram-step:last-child::after {
  display: none;
}

.diagram-step strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.98rem;
}

.diagram-step span {
  color: var(--muted);
  font-size: 0.84rem;
}

.achievement-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.achievement-list li {
  position: relative;
  padding-left: 22px;
  color: var(--graphite);
}

.achievement-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--signal-dark);
  border-radius: 50%;
  background: rgba(39, 196, 131, 0.32);
}

.personal-section {
  background: linear-gradient(180deg, rgba(247, 243, 234, 0.78), rgba(231, 236, 232, 0.78));
}

.personal-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: 64px;
  align-items: start;
}

.personal-copy p:not(.eyebrow) {
  color: var(--graphite);
  font-size: 1.08rem;
}

.lens-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 250, 240, 0.68);
  box-shadow: var(--shadow-soft);
}

.lens-toggle {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  margin-bottom: 26px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(231, 236, 232, 0.6);
}

.lens-button {
  min-height: 40px;
  border: 0;
  border-radius: 6px;
  color: var(--graphite);
  background: transparent;
  cursor: pointer;
}

.lens-button:hover,
.lens-button:focus-visible,
.lens-button.is-active {
  color: var(--ink);
  background: var(--white);
}

.lens-content h3 {
  margin-bottom: 14px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.2rem;
  font-weight: 520;
}

.lens-content p {
  color: var(--graphite);
  font-size: 1.05rem;
}

.lens-content ul {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}

.lens-content li {
  padding: 12px 14px;
  border-left: 3px solid var(--signal);
  background: rgba(231, 236, 232, 0.54);
}

.closing-section {
  padding-bottom: 84px;
  background: var(--ink);
  color: var(--paper);
}

.closing-section .eyebrow {
  color: var(--signal);
}

.closing-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: end;
}

.closing-grid h2 {
  max-width: 820px;
}

.closing-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.closing-section .button.primary {
  color: var(--ink);
  background: var(--signal);
  border-color: var(--signal);
}

.closing-section .button.primary:hover,
.closing-section .button.primary:focus-visible {
  color: var(--paper);
  background: transparent;
  border-color: var(--paper);
}

.closing-section .button.secondary {
  color: var(--paper);
  background: transparent;
  border-color: rgba(247, 243, 234, 0.48);
}

.closing-section .button.secondary:hover,
.closing-section .button.secondary:focus-visible {
  color: var(--ink);
  background: var(--paper);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 22px max(24px, calc((100vw - var(--max-width)) / 2));
  color: rgba(247, 243, 234, 0.66);
  background: var(--ink);
  font-size: 13px;
}

.not-found-page {
  display: grid;
  min-height: 100svh;
  align-items: center;
  padding: 96px 0;
  background: var(--paper);
}

.not-found-page h1 {
  max-width: 11ch;
}

.not-found-page p:not(.eyebrow) {
  max-width: 34rem;
  color: var(--graphite);
  font-size: 1.15rem;
}

.toast {
  position: fixed;
  z-index: 120;
  right: 22px;
  bottom: 22px;
  max-width: min(360px, calc(100% - 44px));
  padding: 14px 16px;
  border: 1px solid rgba(23, 26, 28, 0.15);
  border-radius: var(--radius);
  color: var(--ink);
  background: var(--white);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 180ms var(--ease-out), transform 180ms var(--ease-out);
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.story-control.is-visible ~ .toast {
  bottom: 96px;
}

.story-control {
  position: fixed;
  z-index: 110;
  right: 22px;
  bottom: 22px;
  display: grid;
  grid-template-columns: minmax(150px, 1fr) 96px auto;
  align-items: center;
  gap: 14px;
  width: min(520px, calc(100% - 44px));
  padding: 12px;
  border: 1px solid rgba(23, 26, 28, 0.16);
  border-radius: var(--radius);
  color: var(--ink);
  background: rgba(255, 250, 240, 0.92);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition: opacity 180ms var(--ease-out), transform 180ms var(--ease-out);
  backdrop-filter: blur(16px);
}

.story-control.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.story-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.story-copy strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.story-label {
  color: var(--signal-dark);
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.story-meter {
  height: 4px;
  border-radius: 999px;
  background: rgba(203, 212, 206, 0.8);
  overflow: hidden;
}

.story-meter span {
  display: block;
  width: calc(var(--story-progress, 0) * 100%);
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--signal), var(--gold), var(--coral));
  transition: width 260ms var(--ease-out);
}

.story-stop {
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  transition: color 160ms var(--ease-out), background 160ms var(--ease-out), border-color 160ms var(--ease-out);
}

.story-stop:hover,
.story-stop:focus-visible {
  color: var(--paper);
  border-color: var(--ink);
  background: var(--ink);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 620ms var(--ease-out), transform 620ms var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid rgba(39, 196, 131, 0.42);
  outline-offset: 3px;
}

@media (max-width: 1080px) {
  .hero-grid,
  .mission-grid,
  .personal-grid,
  .achievement-grid {
    gap: 44px;
  }

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

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

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

  .diagram-step:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 860px) {
  .site-nav {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .nav-links {
    display: none;
  }

  .nav-action {
    min-width: 0;
  }

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

  .hero-grid,
  .mission-grid,
  .personal-grid,
  .achievement-grid,
  .closing-grid {
    grid-template-columns: 1fr;
  }

  .system-lens {
    min-height: 450px;
  }

  .mission-copy,
  .achievement-intro {
    position: static;
  }

  .timeline {
    margin-left: 0;
  }

  .timeline-rail {
    left: 8px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-left: 34px;
  }

  .timeline-item::before {
    left: 2px;
  }

  .timeline-year {
    position: static;
  }

  .achievement-panel {
    min-height: auto;
  }

  .closing-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .content-grid {
    width: min(calc(100% - 32px), var(--max-width));
  }

  .section-shell {
    padding: 76px 0;
  }

  .hero {
    padding-top: 96px;
    padding-bottom: 64px;
  }

  .brand-copy {
    display: none;
  }

  .nav-action span:last-child {
    display: none;
  }

  .nav-actions {
    gap: 6px;
  }

  .hero-actions,
  .closing-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

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

  .hero-rail span {
    flex: 1 1 auto;
    justify-content: center;
  }

  .system-lens {
    min-height: 0;
    padding: 18px;
  }

  .signal-stack {
    margin: 30px 0;
  }

  .stack-row {
    grid-template-columns: 34px 1fr;
    min-height: 74px;
    padding: 12px;
  }

  .stack-node {
    width: 26px;
    height: 26px;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .metric-card {
    min-height: 142px;
  }

  .timeline-throughline {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .principle {
    grid-template-columns: 42px 1fr;
    padding: 16px;
  }

  .systems-grid,
  .achievement-metrics,
  .achievement-diagram {
    grid-template-columns: 1fr;
  }

  .diagram-step::after {
    display: none;
  }

  .achievement-panel {
    padding: 22px;
  }

  .panel-topline {
    display: grid;
  }

  .lens-card {
    padding: 18px;
  }

  .lens-toggle {
    grid-template-columns: 1fr;
  }

  .site-footer {
    display: grid;
  }

  .story-control {
    right: 16px;
    bottom: 16px;
    grid-template-columns: 1fr auto;
  }

  .story-meter {
    grid-column: 1 / -1;
    order: 3;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}