:root {
  color-scheme: light;
  --bg: #f5f8f1;
  --surface: #ffffff;
  --surface-soft: #eef5e6;
  --surface-strong: #e0ebd5;
  --text: #17352f;
  --text-soft: #5c706a;
  --line: #dce6da;
  --brand: #0b6a65;
  --brand-strong: #064f4c;
  --brand-soft: #c9f1e7;
  --lime: #b6e852;
  --yellow: #ffd166;
  --orange: #f36b3d;
  --purple: #7255ce;
  --blue: #3d78d8;
  --shadow: 0 18px 55px rgba(36, 67, 58, 0.1);
  --radius-lg: 28px;
  --radius-md: 18px;
  --header-height: 74px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e1715;
  --surface: #15221f;
  --surface-soft: #1b2d29;
  --surface-strong: #233b34;
  --text: #edf6ed;
  --text-soft: #a9bdb6;
  --line: #2a403a;
  --brand: #65d3bf;
  --brand-strong: #9be8d7;
  --brand-soft: #173f39;
  --shadow: 0 18px 55px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 28px);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 82% 4%, color-mix(in srgb, var(--lime) 20%, transparent) 0, transparent 24rem),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
  transition: background-color 180ms ease, color 180ms ease;
}

button,
input,
select {
  font: inherit;
}

a {
  color: var(--brand);
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--brand-strong);
}

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

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--brand) 65%, white);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--text);
  color: var(--surface);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 75%, transparent);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  text-decoration: none;
}

.brand img {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  box-shadow: 0 8px 24px rgba(11, 106, 101, 0.18);
}

.brand span {
  display: grid;
  line-height: 1.15;
}

.brand strong {
  font-size: 0.98rem;
}

.brand small {
  margin-top: 4px;
  color: var(--text-soft);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.language-control,
.icon-button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 5px 18px rgba(24, 55, 47, 0.05);
}

.language-control {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 42px;
  padding: 0 10px;
  border-radius: 13px;
}

.language-control select {
  border: 0;
  background: transparent;
  color: inherit;
  color-scheme: light;
  font-weight: 700;
  cursor: pointer;
}

.language-control select option,
.language-control select optgroup {
  background-color: #ffffff;
  color: #17352f;
}

[data-theme="dark"] .language-control select {
  color-scheme: dark;
}

[data-theme="dark"] .language-control select option,
[data-theme="dark"] .language-control select optgroup {
  background-color: #15221f;
  color: #edf6ed;
}

.icon-button {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 13px;
  cursor: pointer;
}

.icon-button:hover {
  border-color: color-mix(in srgb, var(--brand) 35%, var(--line));
  background: var(--surface-soft);
}

.menu-button {
  display: none;
}

.page-shell {
  display: grid;
  grid-template-columns: 256px minmax(0, 990px);
  gap: clamp(28px, 5vw, 72px);
  justify-content: center;
  width: min(100% - 36px, 1380px);
  margin: 0 auto;
  padding: 42px 0 88px;
}

.sidebar {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  align-self: start;
  max-height: calc(100vh - var(--header-height) - 48px);
  overflow-y: auto;
  scrollbar-width: thin;
}

.search-box label {
  display: block;
  margin-bottom: 7px;
  color: var(--text-soft);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.search-field {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface);
}

.search-field input {
  width: 100%;
  min-width: 0;
  height: 44px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 0.88rem;
}

.search-field kbd {
  padding: 1px 6px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--text-soft);
  font-size: 0.7rem;
}

.search-status {
  min-height: 1.2rem;
  margin: 5px 2px 16px;
  color: var(--text-soft);
  font-size: 0.78rem;
}

#table-of-contents {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

#table-of-contents a {
  display: block;
  padding: 8px 10px;
  border-radius: 10px;
  color: var(--text-soft);
  font-size: 0.88rem;
  font-weight: 650;
  text-decoration: none;
}

#table-of-contents a:hover,
#table-of-contents a.active {
  background: var(--brand-soft);
  color: var(--brand-strong);
}

.sidebar-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 18px;
  color: var(--text-soft);
  font-size: 0.75rem;
}

.status-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: #2dac6e;
  box-shadow: 0 0 0 5px color-mix(in srgb, #2dac6e 15%, transparent);
}

main {
  min-width: 0;
}

.section-card,
.content-section,
.notice {
  scroll-margin-top: calc(var(--header-height) + 26px);
}

.hero {
  position: relative;
  display: grid;
  min-height: 430px;
  grid-template-columns: 1.22fr 0.78fr;
  align-items: center;
  gap: 28px;
  overflow: hidden;
  padding: clamp(30px, 6vw, 70px);
  border: 1px solid color-mix(in srgb, var(--brand) 18%, var(--line));
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--surface) 94%, transparent), color-mix(in srgb, var(--brand-soft) 72%, var(--surface))),
    var(--surface);
  box-shadow: var(--shadow);
}

.hero::before {
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 300px;
  height: 300px;
  border: 1px solid color-mix(in srgb, var(--brand) 16%, transparent);
  border-radius: 50%;
  content: "";
}

.eyebrow,
.section-kicker {
  color: var(--brand);
  font-size: 0.76rem;
  font-weight: 850;
  letter-spacing: 0.15em;
}

h1,
h2,
h3 {
  line-height: 1.12;
  text-wrap: balance;
}

h1 {
  max-width: 680px;
  margin: 14px 0 18px;
  font-size: clamp(2.5rem, 6vw, 5rem);
  letter-spacing: -0.055em;
}

.hero-lead {
  max-width: 640px;
  margin: 0;
  color: var(--text-soft);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 13px;
  font-weight: 780;
  text-decoration: none;
}

.button-primary {
  background: var(--brand-strong);
  color: var(--surface);
}

.button-primary:hover {
  background: var(--brand);
  color: var(--surface);
}

.button-secondary {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.freshness {
  margin: 22px 0 0;
  color: var(--text-soft);
  font-size: 0.83rem;
}

.freshness span {
  margin-right: 6px;
  color: #2dac6e;
}

.hero-art {
  position: relative;
  display: grid;
  min-height: 270px;
  place-items: center;
}

.hero-art img {
  position: relative;
  z-index: 2;
  width: min(230px, 78%);
  border-radius: 50%;
  filter: drop-shadow(0 25px 35px rgba(4, 69, 64, 0.22));
  animation: float 5s ease-in-out infinite;
}

.orbit {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--brand) 25%, transparent);
  border-radius: 50%;
}

.orbit-one {
  width: 290px;
  height: 190px;
  transform: rotate(24deg);
}

.orbit-two {
  width: 190px;
  height: 290px;
  transform: rotate(58deg);
}

.spark {
  position: absolute;
  z-index: 3;
  color: var(--yellow);
  font-size: 2rem;
}

.spark-one {
  top: 10%;
  right: 12%;
}

.spark-two {
  bottom: 16%;
  left: 8%;
  color: var(--lime);
  font-size: 1.3rem;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-10px) rotate(1deg); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

.content-section {
  padding: 84px 4px 10px;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 30px;
}

.section-heading h2 {
  margin: 8px 0 12px;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.045em;
}

.section-heading p {
  margin: 0;
  color: var(--text-soft);
  font-size: 1.06rem;
}

.stage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.stage-card {
  position: relative;
  min-height: 300px;
  overflow: hidden;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(24, 55, 47, 0.06);
}

.stage-card::after {
  position: absolute;
  inset: auto -40px -50px auto;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--card-tint, var(--brand-soft));
  content: "";
  opacity: 0.48;
}

.stage-number {
  color: var(--text-soft);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.15em;
}

.stage-card img,
.stage-icon {
  width: 64px;
  height: 64px;
  margin: 20px 0 18px;
  border-radius: 50%;
  object-fit: cover;
}

.stage-icon {
  display: grid;
  place-items: center;
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-size: 1.4rem;
  font-weight: 900;
}

.stage-card h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
}

.stage-card p {
  margin: 0 0 20px;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.stage-card a {
  position: relative;
  z-index: 1;
  font-size: 0.86rem;
  font-weight: 780;
  text-decoration: none;
}

.stage-associate { --card-tint: #d9d1ff; }
.stage-senior { --card-tint: #ffe0ad; }

.journey-diagram {
  display: grid;
  grid-template-columns: minmax(0, 600px) minmax(180px, 1fr);
  align-items: center;
  gap: 24px;
  margin: 28px 0 0;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.journey-diagram img {
  width: 100%;
}

.journey-diagram figcaption {
  color: var(--text-soft);
  font-size: 0.86rem;
}

.notice {
  display: flex;
  gap: 16px;
  margin-top: 54px;
  padding: 22px;
  border: 1px solid color-mix(in srgb, var(--brand) 22%, var(--line));
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--brand-soft) 55%, var(--surface));
}

.notice-icon {
  display: grid;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  background: var(--brand);
  color: var(--surface);
  font-weight: 900;
}

.notice p {
  margin: 5px 0 0;
  color: var(--text-soft);
}

.placeholder-section {
  min-height: 260px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 5px 18px;
  padding: 28px 20px;
  border-top: 1px solid var(--line);
  color: var(--text-soft);
  font-size: 0.76rem;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.back-to-top {
  position: fixed;
  z-index: 60;
  right: 22px;
  bottom: 22px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

[data-searchable].search-hidden {
  display: none;
}

mark.search-highlight {
  border-radius: 4px;
  background: color-mix(in srgb, var(--yellow) 72%, transparent);
  color: inherit;
}

.rich-text {
  max-width: 780px;
  font-size: 1.02rem;
}

.rich-text p,
.content-section > p {
  color: var(--text-soft);
}

.prose-grid,
.metric-grid,
.split-layout,
.path-grid,
.comparison-grid,
.topic-grid,
.report-card {
  display: grid;
  gap: 16px;
}

.prose-grid,
.metric-grid,
.report-card {
  grid-template-columns: repeat(3, 1fr);
}

.split-layout,
.path-grid,
.comparison-grid,
.topic-grid,
.two-metrics {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.prose-card,
.panel-card,
.metric-card,
.path-card,
.steps-card,
.topic-card,
.report-card,
.unlock-card,
.disclosure {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.prose-card,
.panel-card,
.metric-card,
.topic-card {
  padding: 24px;
}

.prose-card h3,
.panel-card h3,
.metric-card h3,
.topic-card h4 {
  margin: 0 0 10px;
}

.prose-card p,
.panel-card p,
.metric-card p,
.topic-card p {
  margin: 0;
  color: var(--text-soft);
}

.split-layout + .notice,
.subsection + .notice {
  margin-top: 20px;
}

.accent-panel {
  background: color-mix(in srgb, var(--brand-soft) 42%, var(--surface));
}

.notice-warning {
  border-color: color-mix(in srgb, var(--orange) 30%, var(--line));
  background: color-mix(in srgb, var(--orange) 8%, var(--surface));
}

.notice-warning .notice-icon {
  background: var(--orange);
}

.compact-notice {
  margin-top: 20px;
  padding: 18px;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text-soft);
}

.check-list li::before {
  position: absolute;
  top: 0.15em;
  left: 0;
  display: grid;
  width: 19px;
  height: 19px;
  place-items: center;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-strong);
  content: "✓";
  font-size: 0.72rem;
  font-weight: 900;
}

.steps-card {
  margin-top: 20px;
  padding: clamp(22px, 4vw, 36px);
}

.steps-card > h3 {
  margin: 0 0 24px;
  font-size: 1.35rem;
}

.step-list,
.journey-timeline {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-list li {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  padding: 0 0 22px;
}

.step-list li:last-child {
  padding-bottom: 0;
}

.step-list li > span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 11px;
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-size: 0.84rem;
  font-weight: 900;
}

.step-list strong {
  color: var(--text);
}

.step-list p {
  margin: 4px 0 0;
  color: var(--text-soft);
}

.privacy-note,
.decision-tip,
.small-note,
.photo-credit {
  margin: 18px 0 0;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.privacy-note {
  padding-left: 14px;
  border-left: 3px solid var(--line);
}

.metric-grid {
  margin-top: 24px;
}

.metric-card {
  min-height: 190px;
}

.metric-value {
  display: block;
  margin-bottom: 26px;
  color: var(--brand);
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 1;
}

.subsection {
  margin-top: 54px;
}

.subsection > h3 {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: -0.03em;
}

.subsection > p {
  max-width: 800px;
  color: var(--text-soft);
}

code {
  overflow-wrap: anywhere;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

.code-example {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 650px;
  margin: 16px 0;
  padding: 15px 17px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-soft);
}

.code-example span {
  color: var(--text-soft);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.code-example code {
  color: var(--brand-strong);
  font-weight: 750;
}

.wide-code {
  max-width: none;
  margin-top: 20px;
}

.resource-list,
.reference-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.resource-list li {
  display: grid;
  gap: 3px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface);
}

.resource-list li a {
  font-weight: 780;
}

.resource-list li span {
  color: var(--text-soft);
  font-size: 0.88rem;
}

.path-card {
  position: relative;
  overflow: hidden;
  min-height: 355px;
  padding: clamp(26px, 5vw, 42px);
}

.path-card::after {
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: var(--path-glow);
  content: "";
  opacity: 0.35;
}

.influencer-card {
  --path-glow: var(--lime);
  background: linear-gradient(145deg, var(--surface), color-mix(in srgb, var(--lime) 12%, var(--surface)));
}

.skiller-card {
  --path-glow: #a590ff;
  background: linear-gradient(145deg, var(--surface), color-mix(in srgb, #8b70ed 12%, var(--surface)));
}

.path-label {
  color: var(--text-soft);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.path-metric {
  position: relative;
  z-index: 1;
  display: grid;
  margin: 30px 0 22px;
}

.path-metric strong {
  color: var(--text);
  font-size: clamp(3rem, 7vw, 5rem);
  letter-spacing: -0.07em;
  line-height: 0.9;
}

.path-metric span {
  margin-top: 9px;
  color: var(--text-soft);
  font-weight: 750;
}

.path-card p,
.path-card .button {
  position: relative;
  z-index: 1;
}

.path-card p {
  max-width: 480px;
  color: var(--text-soft);
}

.path-card .button {
  margin-top: 16px;
}

.decision-tip {
  padding: 18px 20px;
  border-left: 4px solid var(--brand);
  border-radius: 0 12px 12px 0;
  background: var(--surface-soft);
}

.path-section {
  position: relative;
}

.code-stack {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.code-stack code {
  display: block;
  padding: 11px 13px;
  border-radius: 10px;
  background: var(--surface-soft);
  color: var(--brand-strong);
  font-size: 0.78rem;
}

.code-stack span {
  color: var(--text-soft);
  font-size: 0.74rem;
  font-weight: 750;
  text-align: center;
  text-transform: uppercase;
}

.disclosure {
  margin-top: 20px;
  padding: 0 22px;
}

.disclosure summary,
.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.disclosure summary {
  padding: 20px 0;
}

.disclosure[open] summary {
  border-bottom: 1px solid var(--line);
}

.disclosure > p {
  color: var(--text-soft);
}

.url-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 20px 0 8px;
}

.url-grid code {
  padding: 9px 10px;
  border-radius: 9px;
  background: var(--surface-soft);
  color: var(--text-soft);
  font-size: 0.73rem;
}

.example-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.example-card > span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  margin-bottom: 20px;
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 900;
}

.positive-example > span {
  background: color-mix(in srgb, #2dac6e 16%, var(--surface));
  color: #19824e;
}

.negative-example > span {
  background: color-mix(in srgb, var(--orange) 14%, var(--surface));
  color: var(--orange);
}

.example-card h4 {
  margin: 0 0 8px;
}

.example-card p {
  margin: 0;
  color: var(--text-soft);
}

.math-example {
  display: grid;
  margin-top: 17px;
  padding-top: 17px;
  border-top: 1px solid var(--line);
}

.math-example strong {
  color: var(--brand-strong);
  font-size: 1.45rem;
}

.math-example span {
  color: var(--text-soft);
  font-size: 0.84rem;
}

.topic-card ul {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--text-soft);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface-soft);
  color: var(--text);
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

td {
  color: var(--text-soft);
}

tbody tr:last-child td {
  border-bottom: 0;
}

.report-card {
  overflow: hidden;
}

.report-card > div {
  padding: 26px;
  border-right: 1px solid var(--line);
}

.report-card > div:last-child {
  border-right: 0;
}

.report-card strong,
.report-card p {
  display: block;
}

.report-card p {
  margin: 8px 0 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.report-day {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  margin-bottom: 24px;
  border-radius: 18px;
  background: var(--brand-soft);
  color: var(--brand-strong);
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.journey-timeline {
  grid-template-columns: repeat(4, 1fr);
  margin: 30px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.journey-timeline li {
  position: relative;
  padding: 28px 22px;
  border-right: 1px solid var(--line);
}

.journey-timeline li:last-child {
  border-right: 0;
}

.journey-timeline li > span {
  color: var(--brand);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.journey-timeline h3 {
  margin: 24px 0 8px;
  font-size: 1.05rem;
}

.journey-timeline p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.86rem;
}

.unlock-card {
  display: grid;
  grid-template-columns: 128px 1fr;
  align-items: center;
  gap: 26px;
  margin-top: 30px;
  padding: 24px;
  background: linear-gradient(120deg, var(--surface), color-mix(in srgb, var(--lime) 14%, var(--surface)));
}

.unlock-card img {
  width: 128px;
  border-radius: 50%;
}

.unlock-card span {
  color: var(--brand);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.unlock-card h3 {
  margin: 6px 0 8px;
  font-size: 1.8rem;
}

.unlock-card p {
  margin: 0;
  color: var(--text-soft);
}

.milestone-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) 1.28fr;
  align-items: center;
  gap: clamp(34px, 7vw, 84px);
}

.milestone-layout h2 {
  margin: 9px 0 14px;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.045em;
}

.milestone-layout p {
  color: var(--text-soft);
}

.reverse-layout .milestone-image {
  order: 2;
}

.milestone-image {
  position: relative;
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 42% 58% 53% 47% / 47% 42% 58% 53%;
  background: color-mix(in srgb, #8b70ed 12%, var(--surface));
}

.senior-image {
  background: color-mix(in srgb, var(--yellow) 18%, var(--surface));
}

.milestone-image img {
  width: 74%;
  border-radius: 50%;
  filter: drop-shadow(0 22px 26px rgba(28, 37, 34, 0.15));
}

.benefits-table td:first-child {
  min-width: 180px;
  color: var(--text);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 190px;
  gap: 12px;
}

.gallery-item {
  position: relative;
  overflow: hidden;
  padding: 0;
  border: 0;
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  cursor: zoom-in;
}

.gallery-wide {
  grid-column: span 2;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms ease;
}

.gallery-item:hover img {
  transform: scale(1.035);
}

.gallery-item span {
  position: absolute;
  right: 10px;
  bottom: 10px;
  left: 10px;
  padding: 8px 10px;
  border-radius: 9px;
  background: rgba(6, 26, 21, 0.76);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 750;
  backdrop-filter: blur(8px);
}

.image-lightbox {
  width: min(920px, calc(100% - 30px));
  max-height: calc(100dvh - 30px);
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 25px 90px rgba(0, 0, 0, 0.42);
}

.image-lightbox::backdrop {
  background: rgba(2, 12, 10, 0.76);
  backdrop-filter: blur(8px);
}

.image-lightbox img {
  width: 100%;
  max-height: calc(100dvh - 130px);
  object-fit: contain;
  border-radius: 12px;
}

.image-lightbox p {
  margin: 12px 45px 0 4px;
  color: var(--text-soft);
  font-size: 0.86rem;
}

.lightbox-close {
  position: absolute;
  z-index: 2;
  top: 27px;
  right: 27px;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(7, 24, 20, 0.78);
  color: white;
  font-size: 1.45rem;
  cursor: pointer;
}

.community-disclaimer {
  margin-top: 22px;
  padding: 18px 20px;
  border-left: 4px solid var(--brand);
  border-radius: 0 14px 14px 0;
  background: var(--surface-soft);
  color: var(--text);
}

.resource-callout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  margin-top: 24px;
  padding: 24px;
  border: 1px solid color-mix(in srgb, var(--brand) 28%, var(--line));
  border-radius: var(--radius-md);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--brand) 9%, var(--surface)),
    var(--surface)
  );
}

.resource-label {
  color: var(--brand);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.resource-callout h3 {
  margin: 6px 0 8px;
}

.resource-callout p {
  margin: 0;
  color: var(--text-soft);
}

.resource-callout .button {
  white-space: nowrap;
}

.tool-highlight {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.9fr);
  gap: 24px;
  padding: clamp(22px, 4vw, 34px);
  border: 1px solid color-mix(in srgb, var(--brand) 30%, var(--line));
  border-radius: var(--radius-lg);
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--brand) 11%, var(--surface)),
    var(--surface) 58%
  );
  box-shadow: var(--shadow);
}

.tool-copy h4 {
  margin: 6px 0 12px;
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.tool-copy p {
  margin: 0;
  color: var(--text-soft);
}

.tool-actions {
  display: grid;
  gap: 10px;
}

.store-link {
  display: grid;
  gap: 2px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  transition:
    border-color 160ms ease,
    transform 160ms ease;
}

.store-link:hover {
  border-color: var(--brand);
  transform: translateY(-1px);
}

.store-link strong {
  color: var(--brand-strong);
}

.store-link span,
.source-link {
  color: var(--text-soft);
  font-size: 0.84rem;
}

.source-link {
  margin-top: 4px;
  font-weight: 720;
}

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

.faq-list details {
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.faq-list summary {
  position: relative;
  padding: 20px 36px 20px 0;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 17px;
  right: 0;
  color: var(--brand);
  content: "+";
  font-size: 1.4rem;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details[open] summary {
  color: var(--brand-strong);
}

.faq-list details p {
  margin: 0;
  padding: 0 36px 20px 0;
  color: var(--text-soft);
}

.references-section {
  padding-bottom: 30px;
}

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

.reference-list a {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  font-weight: 730;
  text-decoration: none;
}

.reference-list a::after {
  float: right;
  content: "↗";
}

@media (max-width: 1050px) {
  .url-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .journey-timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .journey-timeline li:nth-child(2) {
    border-right: 0;
  }

  .journey-timeline li:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 800px) {
  .prose-grid,
  .metric-grid,
  .report-card,
  .resource-callout,
  .tool-highlight {
    grid-template-columns: 1fr;
  }

  .resource-callout .button {
    width: 100%;
  }

  .report-card > div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .report-card > div:last-child {
    border-bottom: 0;
  }

  .milestone-layout {
    grid-template-columns: 1fr;
  }

  .milestone-image {
    width: min(320px, 82%);
    margin: 0 auto;
  }

  .reverse-layout .milestone-image {
    order: 0;
  }

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

@media (max-width: 560px) {
  .split-layout,
  .path-grid,
  .comparison-grid,
  .topic-grid,
  .two-metrics,
  .reference-list,
  .url-grid {
    grid-template-columns: 1fr;
  }

  .code-example {
    align-items: flex-start;
    flex-direction: column;
  }

  .journey-timeline {
    grid-template-columns: 1fr;
  }

  .journey-timeline li,
  .journey-timeline li:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .journey-timeline li:last-child {
    border-bottom: 0;
  }

  .unlock-card {
    grid-template-columns: 86px 1fr;
    gap: 17px;
  }

  .unlock-card img {
    width: 86px;
  }

  .unlock-card h3 {
    font-size: 1.35rem;
  }

  .gallery-grid {
    grid-auto-rows: 170px;
  }

  .gallery-wide {
    grid-column: span 2;
  }

  th,
  td {
    padding: 13px 14px;
  }
}

@media (max-width: 390px) {
  .brand span {
    display: none;
  }

  .header-actions {
    gap: 6px;
  }

  .language-control select {
    width: 62px;
    font-size: 0.82rem;
  }

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

  .gallery-wide {
    grid-column: span 1;
  }
}

@media (max-width: 1050px) {
  .page-shell {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 34px;
  }

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

@media (max-width: 800px) {
  :root { --header-height: 68px; }

  .site-header {
    padding-inline: 14px;
  }

  .brand img {
    width: 42px;
    height: 42px;
  }

  .language-control select {
    width: 72px;
  }

  .menu-button {
    display: inline-grid;
  }

  .page-shell {
    display: block;
    width: min(100% - 24px, 760px);
    padding-top: 20px;
  }

  .sidebar {
    position: fixed;
    z-index: 120;
    top: 0;
    left: 0;
    width: min(330px, 88vw);
    height: 100dvh;
    max-height: none;
    padding: 26px 22px;
    background: var(--surface);
    box-shadow: 22px 0 55px rgba(0, 0, 0, 0.22);
    transform: translateX(-105%);
    transition: transform 200ms ease;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .mobile-overlay {
    position: fixed;
    z-index: 110;
    inset: 0;
    background: rgba(3, 16, 13, 0.56);
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding: 38px 26px;
  }

  .hero-art {
    min-height: 220px;
  }

  .journey-diagram {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .brand strong {
    font-size: 0.86rem;
  }

  .brand small {
    font-size: 0.64rem;
  }

  .language-control > span {
    display: none;
  }

  .language-control {
    padding-inline: 7px;
  }

  .language-control select {
    width: 66px;
  }

  h1 {
    font-size: clamp(2.35rem, 13vw, 3.4rem);
  }

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

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

  .stage-card {
    min-height: 270px;
  }
}