:root {
  --bg: #f6f8f4;
  --surface: rgba(255, 255, 255, .78);
  --surface-strong: #ffffff;
  --ink: #16211f;
  --muted: #60706c;
  --forest: #21483f;
  --teal: #12847c;
  --lime: #c5d85a;
  --apricot: #f2a365;
  --plum: #6f5b8b;
  --sky: #8bd3dd;
  --line: rgba(22, 33, 31, .12);
  --shadow: 0 24px 70px rgba(22, 33, 31, .13);
  --radius: 8px;
  --max: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 10%, rgba(139, 211, 221, .34), transparent 26rem),
    radial-gradient(circle at 86% 8%, rgba(197, 216, 90, .22), transparent 25rem),
    linear-gradient(135deg, #f6f8f4 0%, #edf7f4 48%, #fbf5ef 100%);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.72;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(18, 132, 124, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 132, 124, .045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .66), transparent 74%);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 32px), var(--max));
  min-height: 78px;
  margin: 0 auto;
  gap: 24px;
}

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

.brand-mark {
  position: relative;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(18, 132, 124, .18);
  border-radius: 50%;
  background: linear-gradient(145deg, #fff, rgba(237, 247, 244, .92));
  box-shadow: 0 14px 34px rgba(18, 132, 124, .14);
}

.brand-mark__brain {
  width: 24px;
  height: 18px;
  border: 3px solid var(--teal);
  border-right-color: var(--plum);
  border-bottom-color: var(--lime);
  border-radius: 48% 52% 46% 54%;
}

.brand-mark__brain::after {
  display: block;
  width: 2px;
  height: 13px;
  margin: 2px auto 0;
  background: var(--apricot);
  content: "";
}

.brand-mark__spark {
  position: absolute;
  right: 7px;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 6px rgba(197, 216, 90, .18);
}

.brand-copy {
  display: grid;
  line-height: 1.1;
}

.brand-copy strong { font-size: 1.02rem; }

.brand-copy small {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 800;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  color: var(--forest);
  font-size: .9rem;
  font-weight: 800;
}

.main-nav a {
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  border-color: var(--lime);
  color: var(--teal);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 460px);
  align-items: center;
  width: min(calc(100% - 32px), var(--max));
  min-height: auto;
  margin: 0 auto;
  padding: 24px 0 38px;
  gap: clamp(28px, 5vw, 68px);
}

.hero__content { max-width: 690px; }

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .11em;
  text-transform: uppercase;
}

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

h1, h2 {
  font-family: Literata, Georgia, serif;
  line-height: 1.13;
}

h1 {
  max-width: 680px;
  margin-bottom: 22px;
  font-size: clamp(1.82rem, 3vw, 3.05rem);
  font-weight: 700;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.36rem, 2.25vw, 2.12rem);
  font-weight: 650;
}

h3 {
  margin-bottom: 10px;
  font-size: 1rem;
  line-height: 1.3;
}

.hero__lead,
.section__intro p:not(.eyebrow),
.article-lead {
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.16rem);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 900;
  line-height: 1;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.button:hover,
.button:focus-visible { transform: translateY(-2px); }

.button--primary {
  background: linear-gradient(135deg, var(--forest), var(--teal));
  color: #fff;
  box-shadow: 0 14px 34px rgba(18, 132, 124, .24);
}

.button--ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, .72);
  color: var(--forest);
}

.brain-stage {
  position: relative;
  display: grid;
  width: min(100%, 460px);
  aspect-ratio: 1;
  overflow: clip;
  place-items: center;
  isolation: isolate;
}

.brain-stage::before {
  position: absolute;
  inset: 10%;
  z-index: -2;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .92), rgba(139, 211, 221, .18) 45%, rgba(197, 216, 90, .16) 70%, transparent 78%);
  content: "";
}

.brain-stage__image {
  width: 80%;
  border-radius: 50%;
  filter: drop-shadow(0 30px 42px rgba(33, 72, 63, .18));
  animation: brainFloat 6s ease-in-out infinite;
}

.adhd-badge {
  position: absolute;
  top: 12%;
  right: 13%;
  display: grid;
  min-width: 78px;
  height: 78px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .7);
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(33, 72, 63, .96), rgba(18, 132, 124, .9));
  color: #fff;
  font-size: .95rem;
  font-weight: 900;
  box-shadow: 0 18px 42px rgba(33, 72, 63, .2);
  animation: labelFloat 5s ease-in-out infinite;
}

.orbit {
  position: absolute;
  border: 1px solid rgba(18, 132, 124, .22);
  border-radius: 50%;
}

.orbit--outer {
  inset: 2%;
  animation: orbitSpin 18s linear infinite;
}

.orbit--inner {
  inset: 16%;
  border-color: rgba(111, 91, 139, .28);
  animation: orbitSpin 14s linear infinite reverse;
}

.orbit::before,
.orbit::after {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 3px solid #fff;
  border-radius: 50%;
  background: var(--lime);
  content: "";
  box-shadow: 0 0 0 8px rgba(197, 216, 90, .14), 0 8px 18px rgba(33, 72, 63, .18);
}

.orbit::before { top: 10%; left: 16%; }
.orbit::after { right: 14%; bottom: 16%; background: var(--apricot); }

.thought {
  position: absolute;
  padding: 7px 12px;
  border: 1px solid rgba(18, 132, 124, .14);
  border-radius: 999px;
  background: rgba(255, 255, 255, .8);
  color: var(--forest);
  font-size: .77rem;
  font-weight: 900;
  box-shadow: 0 12px 30px rgba(22, 33, 31, .1);
  backdrop-filter: blur(14px);
  animation: labelFloat 5s ease-in-out infinite;
}

.thought--one { top: 18%; left: 7%; }
.thought--two { right: 4%; top: 36%; animation-delay: -.8s; }
.thought--three { right: 18%; bottom: 9%; animation-delay: -1.6s; }

.pulse-node {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 0 rgba(18, 132, 124, .34);
  animation: pulse 2.2s ease-out infinite;
}

.pulse-node--one { top: 23%; right: 27%; }
.pulse-node--two { left: 20%; bottom: 30%; background: var(--plum); animation-delay: .5s; }
.pulse-node--three { top: 48%; left: 9%; background: var(--apricot); animation-delay: 1s; }

.section {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 42px 0;
}

.section--quiet { border-top: 1px solid var(--line); }
.section__intro { max-width: 790px; }

.page-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.page-card,
.quick-notes article,
.article,
.article-aside {
  border: 1px solid rgba(22, 33, 31, .1);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 48px rgba(22, 33, 31, .08);
  backdrop-filter: blur(18px);
}

.page-card {
  display: grid;
  min-height: 232px;
  padding: 22px;
  align-content: start;
  transition: transform .2s ease, border-color .2s ease;
}

.page-card:hover,
.page-card:focus-visible {
  border-color: rgba(18, 132, 124, .42);
  transform: translateY(-4px);
}

.page-card span {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  place-items: center;
  border-radius: 50%;
  background: rgba(197, 216, 90, .22);
  color: var(--forest);
  font-weight: 900;
}

.page-card p,
.quick-notes span,
.article p,
.article li {
  color: var(--muted);
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(340px, 1fr);
  gap: 20px;
  align-items: start;
}

.home-deep-dive {
  border-top: 1px solid var(--line);
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.insight-grid article,
.timeline-list {
  border: 1px solid rgba(22, 33, 31, .1);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 48px rgba(22, 33, 31, .08);
  backdrop-filter: blur(18px);
}

.insight-grid article {
  padding: 22px;
}

.insight-grid strong {
  display: block;
  margin-bottom: 8px;
  color: var(--forest);
}

.insight-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

.reading-map {
  padding-top: 18px;
}

.timeline-list {
  display: grid;
  gap: 0;
  margin-top: 14px;
  overflow: hidden;
}

.timeline-list div {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 16px;
  padding: 20px;
}

.timeline-list div + div {
  border-top: 1px solid var(--line);
}

.timeline-list span {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  background: rgba(197, 216, 90, .22);
  color: var(--forest);
  font-weight: 900;
}

.timeline-list p {
  margin: 0;
  color: var(--muted);
}

.timeline-list a {
  color: var(--teal);
  font-weight: 800;
}

.feature-band__content {
  padding: clamp(28px, 4vw, 42px);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(33, 72, 63, .98), rgba(18, 132, 124, .92));
  color: #fff;
}

.feature-band__content .eyebrow { color: var(--lime); }
.feature-band__content p { color: rgba(255, 255, 255, .78); }

.quick-notes {
  display: grid;
  gap: 12px;
}

.quick-notes article {
  display: grid;
  gap: 4px;
  padding: 20px;
}

.quick-notes strong { color: var(--forest); }

.article-shell {
  display: grid;
  grid-template-columns: minmax(0, 720px) 280px;
  width: min(calc(100% - 32px), 1060px);
  margin: 0 auto;
  padding: 42px 0 84px;
  gap: 24px;
  align-items: start;
}

.article {
  padding: clamp(24px, 4vw, 42px);
  background: rgba(255, 255, 255, .84);
}

.article h1 {
  max-width: 650px;
  margin-bottom: 18px;
  font-size: clamp(1.55rem, 2.05vw, 2.15rem);
  line-height: 1.18;
}

.article h2 {
  margin-top: 28px;
  margin-bottom: 10px;
  font-size: clamp(1.08rem, 1.35vw, 1.32rem);
  line-height: 1.28;
}

.article-lead {
  max-width: 660px;
  font-weight: 500;
  font-size: 1.02rem;
}

.article p {
  max-width: 660px;
  margin-bottom: 16px;
}

.article .eyebrow {
  margin-bottom: 10px;
}

.article-callout {
  max-width: 660px;
  margin: 26px 0;
  padding: 18px;
  border-left: 4px solid var(--lime);
  border-radius: var(--radius);
  background: rgba(197, 216, 90, .16);
  color: var(--forest);
}

.article-aside {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 6px;
  padding: 18px;
  background: rgba(255, 255, 255, .72);
}

.article-aside h2 {
  margin-bottom: 2px;
  font-family: Inter, system-ui, sans-serif;
  font-size: .98rem;
  line-height: 1.3;
}

.article-aside a {
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  color: var(--forest);
  font-size: .9rem;
  font-weight: 800;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.content-grid section {
  min-width: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .58);
}

.content-grid h2 {
  margin-top: 0;
  font-size: clamp(1rem, 1.15vw, 1.18rem);
  line-height: 1.24;
  overflow-wrap: anywhere;
  word-break: normal;
  hyphens: auto;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 32px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .92rem;
  gap: 18px;
}

.site-footer p { margin: 0; }
.site-footer a { color: var(--teal); font-weight: 900; }

.reveal-pending {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}

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

@keyframes brainFloat {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-16px) rotate(1.5deg); }
}

@keyframes orbitSpin { to { transform: rotate(360deg); } }

@keyframes labelFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(18, 132, 124, .34); }
  80%, 100% { box-shadow: 0 0 0 20px rgba(18, 132, 124, 0); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media (max-width: 1180px) {
  .page-grid,
  .insight-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    padding-top: 16px;
  }

  .main-nav {
    justify-content: flex-end;
    flex-wrap: wrap;
  }

  .hero,
  .feature-band,
  .article-shell {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 30px;
  }

  .brain-stage {
    justify-self: center;
    max-width: 520px;
  }

  .article-aside {
    position: static;
  }

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

@media (max-width: 620px) {
  body { font-size: 15px; }

  .site-header { display: grid; }

  .main-nav {
    justify-content: flex-start;
    gap: 10px 16px;
    font-size: .85rem;
  }

  h1 { font-size: clamp(1.68rem, 7.6vw, 2.18rem); }

  .hero {
    width: min(calc(100% - 26px), var(--max));
    gap: 26px;
    padding: 24px 0 34px;
  }

  .hero__actions .button { width: 100%; }

  .brain-stage { width: min(100%, 390px); }
  .adhd-badge { min-width: 62px; height: 62px; font-size: .82rem; }
  .thought { font-size: .7rem; }

  .section,
  .article-shell {
    width: min(calc(100% - 26px), var(--max));
    padding: 34px 0;
  }

  .page-grid,
  .insight-grid {
    grid-template-columns: 1fr;
  }
  .page-card { min-height: auto; }
  .page-card span { margin-bottom: 20px; }

  .article {
    padding: 22px;
  }

  .article h1 {
    font-size: clamp(1.42rem, 6.2vw, 1.82rem);
  }

  .article h2 {
    font-size: 1.08rem;
  }

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