:root {
  --paper: #ffffff;
  --paper-deep: #f2f4f1;
  --ink: #0b1915;
  --ink-soft: #46534f;
  --line: rgba(11, 25, 21, 0.16);
  --lime: #baff45;
  --lime-soft: #efffd2;
  --orange: #ff8e59;
  --blue: #a7c4ff;
  --white: #ffffff;
  --max: 1220px;
  --serif: "Songti SC", "STSong", "SimSun", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 170px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.modal-open {
  overflow: hidden;
}

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

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

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

button {
  border: 0;
}

::selection {
  color: var(--ink);
  background: var(--lime);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  transform: translateY(-150%);
}

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

.site-header {
  position: relative;
  z-index: 40;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(calc(100% - 48px), var(--max));
  min-height: 88px;
  margin: 0 auto;
}

.language-toggle {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  justify-self: start;
  padding: 8px 0;
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  letter-spacing: 0.04em;
}

.language-toggle .lang-active {
  font-weight: 600;
}

.lang-divider {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--ink);
  transform: rotate(-55deg);
  opacity: 0.45;
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-size: 27px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.brand-mark::after {
  position: absolute;
  width: 28px;
  height: 9px;
  border: 1px solid currentColor;
  border-top-color: transparent;
  border-bottom-color: transparent;
  border-radius: 50%;
  content: "";
  transform: rotate(-30deg);
}

.brand-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--ink);
}

.header-action {
  justify-self: end;
  border-bottom: 1px solid currentColor;
  font-size: 13px;
  font-weight: 500;
}

.site-nav {
  display: flex;
  justify-content: center;
  overflow-x: auto;
  scrollbar-width: none;
  border-top: 1px solid var(--line);
}

.site-nav::-webkit-scrollbar {
  display: none;
}

.nav-link {
  position: relative;
  min-width: max-content;
  padding: 16px 32px 14px;
  color: var(--ink-soft);
  font-size: 22px;
}

.nav-link::after {
  position: absolute;
  bottom: -1px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--ink);
  content: "";
  transition: width 180ms ease, left 180ms ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--ink);
}

.nav-link.active::after {
  left: 25%;
  width: 50%;
}

.hero {
  position: relative;
  display: grid;
  min-height: min(770px, calc(100vh - 122px));
  place-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.hero::before {
  position: absolute;
  z-index: -3;
  width: 540px;
  height: 540px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--lime-soft) 0, rgba(232, 255, 195, 0.5) 40%, transparent 70%);
  content: "";
  filter: blur(8px);
}

.hero-orbit {
  position: absolute;
  z-index: -2;
  border: 1px solid rgba(19, 41, 35, 0.18);
  border-radius: 50%;
  pointer-events: none;
}

.orbit-one {
  width: min(860px, 84vw);
  height: min(380px, 40vw);
  transform: rotate(-12deg);
}

.orbit-two {
  width: min(590px, 62vw);
  height: min(640px, 68vw);
  transform: rotate(35deg);
}

.orbit-one::after,
.orbit-two::after {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 4px solid var(--paper);
  border-radius: 50%;
  background: var(--orange);
  content: "";
}

.orbit-one::after {
  top: 52%;
  right: -7px;
}

.orbit-two::after {
  bottom: 8%;
  left: 12%;
  background: var(--blue);
}

.hero-content {
  width: min(calc(100% - 48px), 900px);
  text-align: center;
}

.eyebrow {
  margin: 0 0 24px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 28px;
  font-size: clamp(40px, 6vw, 78px);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.15;
}

h1 span,
h2 span {
  display: block;
}

.serif {
  font-family: var(--serif);
  font-weight: 500;
}

.hero-copy {
  max-width: 620px;
  margin: 0 auto 35px;
  color: var(--ink-soft);
  font-size: 17px;
}

.hero-actions {
  display: flex;
  gap: 30px;
  align-items: center;
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: transform 160ms ease, background 160ms ease;
}

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

.button-dark {
  background: var(--ink);
  color: var(--white);
}

.button-dark:hover {
  background: #214139;
}

.button-light {
  background: var(--lime);
  color: var(--ink);
}

.button-light:hover {
  background: #dcff9d;
}

.button-small {
  min-height: 41px;
  padding: 0 20px;
}

.text-link,
.source-link,
.email-link {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid currentColor;
  font-size: 14px;
  font-weight: 500;
}

.hero-note {
  position: absolute;
  bottom: 26px;
  display: flex;
  gap: 9px;
  align-items: center;
  font-size: 12px;
}

.pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #5f9565;
  box-shadow: 0 0 0 5px rgba(95, 149, 101, 0.12);
}

.section {
  position: relative;
  max-width: 1440px;
  margin: 0 auto;
  padding: 140px max(24px, calc((100% - var(--max)) / 2));
  border-bottom: 1px solid var(--line);
}

.section-index {
  position: absolute;
  top: 72px;
  left: max(24px, calc((100% - var(--max)) / 2));
  color: rgba(19, 41, 35, 0.35);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: clamp(60px, 10vw, 150px);
  align-items: start;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(35px, 4.3vw, 58px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.22;
}

.section-heading .page-title {
  margin-bottom: 0;
  font-size: clamp(35px, 4.3vw, 58px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.22;
}

.page-title span {
  display: block;
}

.page-section {
  min-height: calc(100vh - 122px);
  padding-top: 130px;
}

.founder-letter,
.forum-intro,
.wish-intro,
.library-intro {
  padding-top: 50px;
}

.letter-label {
  margin-bottom: 28px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.letter-body {
  padding-left: 24px;
  border-left: 1px solid var(--ink);
  color: var(--ink-soft);
}

.letter-body p {
  margin-bottom: 17px;
}

.letter-sign {
  color: var(--ink);
  font-family: var(--serif);
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 90px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.evidence-card {
  display: flex;
  min-height: 410px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  flex-direction: column;
  transition: background 180ms ease;
}

.evidence-observed:hover {
  background: var(--lime-soft);
}

.evidence-theory:hover {
  background: #ffe0d1;
}

.evidence-open:hover {
  background: #dfe8ff;
}

.evidence-meta,
.resource-type {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 54px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.evidence-number {
  opacity: 0.5;
}

.status {
  padding: 4px 9px;
  border: 1px solid currentColor;
  border-radius: 999px;
}

.evidence-card h3 {
  margin-bottom: 18px;
  font-size: 23px;
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.4;
}

.evidence-card p {
  color: var(--ink-soft);
  font-size: 14px;
}

.evidence-card .source-link {
  align-self: flex-start;
  margin-top: auto;
}

.principle-strip {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 30px;
  margin-top: 42px;
  padding: 28px 0 0;
}

.principle-strip p {
  margin: 0;
}

.principle-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.principle-strip p:last-child {
  max-width: 680px;
  color: var(--ink-soft);
}

.forum-section {
  background: var(--white);
}

.forum-intro > p,
.wish-intro > p,
.library-intro > p {
  color: var(--ink-soft);
}

.auth-actions {
  display: grid;
  gap: 9px;
  margin-top: 28px;
}

.auth-button {
  display: flex;
  gap: 13px;
  align-items: center;
  min-height: 47px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.auth-button:hover {
  border-color: var(--ink);
  background: var(--paper);
}

.google-mark,
.x-mark,
.mail-mark {
  display: grid;
  width: 23px;
  height: 23px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 600;
}

.backend-note {
  min-height: 22px;
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 12px;
}

.signed-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 22px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.text-button,
.filter-button {
  padding: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  cursor: pointer;
  font-size: 12px;
}

.hidden {
  display: none !important;
}

.forum-board {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 50px;
  margin-top: 90px;
  padding-top: 44px;
  border-top: 1px solid var(--line);
}

.composer {
  align-self: start;
  padding: 20px;
  border: 1px solid var(--ink);
  background: var(--paper);
}

.composer textarea {
  display: block;
  width: 100%;
  min-height: 120px;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  resize: vertical;
}

.composer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.char-count {
  color: var(--ink-soft);
  font-size: 11px;
}

.discussion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.discussion-header h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
}

.post {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 15px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.post-avatar {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--paper-deep);
  font-family: var(--serif);
}

.post:nth-child(3n + 2) .post-avatar {
  background: var(--lime-soft);
}

.post:nth-child(3n + 3) .post-avatar {
  background: #dfe8ff;
}

.post-meta {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin-bottom: 5px;
  font-size: 12px;
}

.post-meta time {
  color: var(--ink-soft);
  font-size: 11px;
}

.post-body {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  white-space: pre-wrap;
  word-break: break-word;
}

.empty-state {
  padding: 45px 0;
  color: var(--ink-soft);
  text-align: center;
}

.wish-section {
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.wish-glow {
  position: absolute;
  top: 25%;
  right: -240px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 255, 104, 0.15), transparent 68%);
  pointer-events: none;
}

.wish-section .section-index,
.wish-section .wish-intro > p,
.wish-section .char-count,
.wish-section .form-submit p {
  color: rgba(255, 254, 249, 0.62);
}

.wish-section .email-link {
  margin-top: 17px;
}

.wish-form {
  position: relative;
  z-index: 1;
  margin-top: 85px;
  padding: 44px;
  border: 1px solid rgba(255, 255, 255, 0.23);
  background: rgba(255, 255, 255, 0.035);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.field {
  position: relative;
  margin-bottom: 28px;
}

.field label,
.visibility-options legend {
  display: block;
  margin-bottom: 9px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.field input,
.field textarea {
  display: block;
  width: 100%;
  padding: 14px 0;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: white;
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--lime);
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(255, 255, 255, 0.38);
}

.field .char-count {
  position: absolute;
  right: 0;
  bottom: 8px;
}

.visibility-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 5px 0 26px;
  padding: 0;
  border: 0;
}

.visibility-options legend {
  grid-column: 1 / -1;
}

.radio-card {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  cursor: pointer;
}

.radio-card:has(input:checked) {
  border-color: var(--lime);
  background: rgba(201, 255, 104, 0.07);
}

.radio-card input,
.consent-row input {
  margin-top: 5px;
  accent-color: var(--lime);
}

.radio-card strong,
.radio-card small {
  display: block;
}

.radio-card strong {
  margin-bottom: 3px;
  font-size: 14px;
}

.radio-card small {
  color: rgba(255, 255, 255, 0.58);
}

.consent-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  max-width: 760px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
}

.form-submit {
  display: flex;
  gap: 22px;
  align-items: center;
  margin-top: 30px;
}

.form-submit p {
  max-width: 440px;
  margin: 0;
  font-size: 11px;
}

.library-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 90px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--ink);
}

.library-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.library-tab {
  padding: 7px 14px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  font-size: 12px;
}

.library-tab.active {
  border-color: var(--ink);
}

.updated {
  color: var(--ink-soft);
  font-size: 11px;
}

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

.resource-card {
  display: flex;
  min-height: 320px;
  padding: 34px 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  flex-direction: column;
}

.resource-card:nth-child(2n + 1) {
  border-left: 1px solid var(--line);
}

.resource-card[hidden] {
  display: none;
}

.resource-type {
  margin-bottom: 42px;
  color: var(--ink-soft);
}

.resource-card h3 {
  margin-bottom: 13px;
  font-size: 24px;
  font-weight: 500;
  line-height: 1.4;
}

.resource-card p {
  max-width: 510px;
  color: var(--ink-soft);
  font-size: 14px;
}

.resource-card a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  font-weight: 600;
}

.copyright-note {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  max-width: 680px;
  margin-top: 30px;
  color: var(--ink-soft);
  font-size: 12px;
}

.copyright-note p {
  margin: 0;
}

.closing-section {
  position: relative;
  display: grid;
  min-height: 320px;
  place-items: center;
  overflow: hidden;
  border-top: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  text-align: center;
}

.closing-orbit {
  position: absolute;
  width: min(980px, 92vw);
  height: 380px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transform: rotate(8deg);
}

.closing-orbit::after {
  position: absolute;
  top: 21%;
  right: 3%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 6px var(--white);
  content: "";
}

.closing-content {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 40px), 820px);
}

.closing-content h2 {
  margin-bottom: 36px;
  font-size: clamp(36px, 5vw, 63px);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.2;
}

.donation-caption {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.closing-compact {
  min-height: 320px;
}

.closing-compact .closing-content h2 {
  font-size: clamp(32px, 4vw, 52px);
}

.site-footer {
  padding: 70px max(24px, calc((100% - var(--max)) / 2)) 34px;
  border-top: 1px solid var(--line);
  background: var(--white);
  color: var(--ink-soft);
}

.footer-top,
.footer-bottom {
  display: flex;
  justify-content: space-between;
}

.footer-top {
  align-items: flex-start;
  padding-bottom: 65px;
}

.footer-brand {
  color: var(--ink);
}

.footer-brand .brand-dot {
  background: var(--ink);
}

.footer-statement {
  max-width: 560px;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.9;
}

.footer-bottom {
  align-items: center;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 11px;
}

.footer-links {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer-links button,
.footer-links a {
  padding: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: inherit;
}

.footer-links button:hover,
.footer-links a:hover {
  color: var(--ink);
}

.modal {
  width: min(calc(100% - 32px), 650px);
  max-height: min(760px, calc(100vh - 60px));
  padding: 0;
  border: 0;
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 25px 90px rgba(0, 0, 0, 0.35);
}

.modal::backdrop {
  background: rgba(7, 21, 17, 0.72);
  backdrop-filter: blur(4px);
}

.modal-card {
  position: relative;
  max-height: inherit;
  padding: 45px;
  overflow-y: auto;
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 17px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--paper);
  cursor: pointer;
  font-size: 20px;
}

.modal h2 {
  margin-bottom: 22px;
  font-size: 30px;
  font-weight: 500;
}

.modal h3 {
  margin: 25px 0 7px;
  font-size: 15px;
}

.modal p,
.modal li {
  color: var(--ink-soft);
  font-size: 14px;
}

.modal ul {
  padding-left: 20px;
}

.modal .modal-form {
  display: grid;
  gap: 12px;
  margin-top: 25px;
}

.modal .modal-form input {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: white;
}

.modal-note {
  padding: 14px;
  border-left: 3px solid var(--orange);
  background: var(--paper);
}

.toast {
  position: fixed;
  z-index: 90;
  right: 22px;
  bottom: 22px;
  max-width: min(410px, calc(100% - 44px));
  padding: 13px 18px;
  border-radius: 4px;
  background: var(--lime);
  color: var(--ink);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.17);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

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

@media (max-width: 920px) {
  .section-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .founder-letter,
  .forum-intro,
  .wish-intro,
  .library-intro {
    max-width: 680px;
    padding-top: 25px;
  }

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

  .evidence-card {
    min-height: 330px;
  }

  .forum-board {
    grid-template-columns: 1fr;
  }

  .footer-top {
    gap: 50px;
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  html {
    scroll-padding-top: 145px;
  }

  .header-inner {
    width: calc(100% - 28px);
    min-height: 78px;
  }

  .brand {
    font-size: 24px;
  }

  .brand-mark {
    width: 18px;
    height: 18px;
  }

  .brand-mark::after {
    width: 23px;
  }

  .header-action {
    display: none;
  }

  .header-inner {
    grid-template-columns: 1fr auto 1fr;
  }

  .nav-link {
    padding: 13px 20px 12px;
    font-size: 22px;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero {
    min-height: 650px;
  }

  .hero-content {
    width: calc(100% - 32px);
  }

  h1 {
    font-size: clamp(36px, 11vw, 52px);
  }

  .hero-copy {
    font-size: 15px;
  }

  .hero-actions {
    gap: 20px;
    flex-direction: column;
  }

  .orbit-one {
    width: 720px;
    height: 340px;
  }

  .orbit-two {
    width: 420px;
    height: 570px;
  }

  .section {
    padding: 105px 20px;
  }

  .section-index {
    top: 50px;
    left: 20px;
  }

  .section-heading h2 {
    font-size: 36px;
  }

  .section-heading .page-title {
    font-size: 36px;
  }

  .evidence-grid,
  .forum-board,
  .wish-form,
  .library-controls {
    margin-top: 58px;
  }

  .evidence-card {
    padding: 24px;
  }

  .principle-strip {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .form-row,
  .visibility-options {
    grid-template-columns: 1fr;
  }

  .wish-form {
    padding: 25px 19px;
  }

  .form-submit {
    align-items: flex-start;
    flex-direction: column;
  }

  .library-controls {
    gap: 14px;
    align-items: flex-start;
    flex-direction: column;
  }

  .resource-list {
    grid-template-columns: 1fr;
  }

  .resource-card {
    min-height: 300px;
    border-left: 1px solid var(--line);
  }

  .footer-top {
    padding-bottom: 45px;
  }

  .footer-bottom {
    gap: 18px;
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .modal-card {
    padding: 42px 23px 28px;
  }
}

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

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

/* Minimal monochrome system: white canvas, ink lines, one electric accent. */
.site-header {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(20px);
}

.nav-link::after {
  height: 4px;
  background: var(--lime);
}

.nav-link.active {
  color: var(--ink);
  font-weight: 600;
}

h1,
.section-heading h2,
.section-heading .page-title,
.closing-content h2,
.closing-compact .closing-content h2 {
  font-size: 27px;
  letter-spacing: -0.025em;
  line-height: 1.28;
}

.button,
.auth-button,
.signed-in,
.composer,
.library-tab,
.radio-card,
.modal,
.modal .modal-form input,
.toast,
.status {
  border-radius: 0;
}

.button {
  border: 1px solid var(--ink);
}

.button-dark {
  background: var(--ink);
  color: var(--white);
}

.button-dark:hover {
  background: #18362d;
}

.button-light {
  background: var(--lime);
}

.evidence-card,
.resource-card {
  background: var(--white);
}

.evidence-observed:hover,
.evidence-theory:hover,
.evidence-open:hover,
.resource-card:hover {
  background: #fafff2;
  box-shadow: inset 0 -4px 0 var(--lime);
}

.composer {
  background: var(--white);
  box-shadow: 7px 7px 0 var(--lime-soft);
}

.post-avatar {
  border: 1px solid var(--line);
  background: var(--white);
}

.post:nth-child(3n + 2) .post-avatar,
.post:nth-child(3n + 3) .post-avatar {
  background: var(--white);
}

.wish-section {
  background: var(--white);
  color: var(--ink);
}

.wish-glow {
  display: none;
}

.wish-section .section-index,
.wish-section .wish-intro > p,
.wish-section .char-count,
.wish-section .form-submit p {
  color: var(--ink-soft);
}

.wish-form {
  border: 1px solid var(--ink);
  background: var(--white);
  box-shadow: 10px 10px 0 var(--lime-soft);
}

.field input,
.field textarea {
  border-bottom-color: var(--line);
  color: var(--ink);
}

.field input::placeholder,
.field textarea::placeholder {
  color: rgba(11, 25, 21, 0.38);
}

.radio-card {
  border-color: var(--line);
  background: var(--white);
}

.radio-card:has(input:checked) {
  border-color: var(--ink);
  background: var(--lime-soft);
}

.radio-card small,
.consent-row {
  color: var(--ink-soft);
}

.library-tab.active {
  border-color: var(--ink);
  background: var(--lime-soft);
}

.closing-orbit {
  display: none;
}

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

.site-footer {
  padding-top: 52px;
}

.modal {
  border: 1px solid var(--ink);
  box-shadow: 10px 10px 0 var(--lime);
}

.modal h2 {
  font-size: 27px;
}

.modal-close {
  border-radius: 0;
  background: var(--lime-soft);
}

.modal-note {
  border-left-color: var(--lime);
  background: var(--paper-deep);
}

@media (max-width: 680px) {
  h1,
  .section-heading h2,
  .section-heading .page-title,
  .closing-content h2,
  .closing-compact .closing-content h2,
  .modal h2 {
    font-size: 24px;
  }

  .wish-form {
    box-shadow: 6px 6px 0 var(--lime-soft);
  }
}

.why-section .section-grid {
  display: block;
}

.why-section .section-heading,
.why-section .founder-letter {
  width: min(100%, 680px);
  margin-right: auto;
  margin-left: auto;
}

.why-section .founder-letter {
  padding-top: 0;
  margin-top: 52px;
}

/* 2026 refined editorial system */
:root {
  --paper: #ffffff;
  --paper-deep: #f5f6f3;
  --ink: #0a0d0c;
  --ink-soft: #555d59;
  --line: rgba(10, 13, 12, 0.14);
  --lime: #b7ff35;
  --lime-soft: #efffd2;
  --max: 1180px;
}

html {
  scroll-padding-top: 88px;
}

body {
  min-width: 320px;
  background: var(--white);
  color: var(--ink);
  line-height: 1.65;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

.site-header {
  position: relative;
  display: block;
  min-height: 0;
  padding: 0;
  border-bottom: 1px solid var(--line);
  background: var(--white);
  backdrop-filter: none;
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  width: min(calc(100% - 60px), var(--max));
  min-height: 72px;
  margin: 0 auto;
}

.language-toggle {
  grid-column: 1;
  gap: 7px;
  padding: 8px 0;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.lang-divider {
  width: 14px;
  opacity: 0.28;
}

.brand {
  grid-column: 2;
  gap: 9px;
  font-size: 27px;
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1;
}

.brand-mark {
  width: 20px;
  height: 20px;
}

.brand-mark::after {
  width: 26px;
  height: 8px;
}

.site-nav {
  position: static;
  justify-content: center;
  height: 48px;
  overflow: visible;
  border-top: 1px solid var(--line);
}

.nav-link {
  position: relative;
  padding: 12px 25px 11px;
  color: #626965;
  font-size: 19.5px;
  font-weight: 500;
  letter-spacing: 0.015em;
  line-height: 22px;
}

.nav-link::after {
  bottom: 5px;
  left: calc(50% - 2px);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--lime);
  opacity: 0;
  transition: opacity 160ms ease, transform 160ms ease;
  transform: translateY(3px);
}

.nav-link:hover::after,
.nav-link.active::after {
  left: calc(50% - 2px);
  width: 4px;
  opacity: 1;
  transform: translateY(0);
}

.nav-link.active {
  font-weight: 650;
}

.section,
.page-section {
  width: 100%;
  max-width: none;
  min-height: 0;
  padding: 92px max(30px, calc((100% - var(--max)) / 2)) 96px;
  border-bottom: 0;
  background: var(--white);
}

.section-index {
  display: none;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(54px, 8vw, 110px);
  align-items: start;
}

.section-heading h2,
.section-heading .page-title,
.modal h2 {
  max-width: 520px;
  margin: 13px 0 0;
  font-size: 27px;
  font-weight: 630;
  letter-spacing: -0.035em;
  line-height: 1.32;
}

.page-title span {
  display: inline;
}

.eyebrow {
  display: flex;
  gap: 9px;
  align-items: center;
  margin: 0;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 17px;
  height: 2px;
  background: var(--lime);
  content: "";
}

.founder-letter,
.forum-intro,
.wish-intro,
.library-intro {
  max-width: 680px;
  padding-top: 3px;
}

.why-section .section-grid {
  display: block;
  width: min(100%, 680px);
  margin: 0 auto;
}

.why-section .section-heading,
.why-section .founder-letter {
  width: auto;
  margin: 0;
}

.why-section .founder-letter {
  padding-top: 3px;
}

.letter-label {
  margin: 0 0 20px;
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.1em;
}

.letter-body {
  padding-left: 22px;
  border-left: 1px solid var(--ink);
  color: var(--ink-soft);
  font-size: 15px;
}

.letter-body p {
  margin: 0 0 15px;
}

.letter-sign {
  padding-top: 3px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(100%, var(--max));
  margin: 72px auto 0;
  border: 0;
  border-top: 1px solid var(--ink);
}

.evidence-card {
  min-height: 315px;
  padding: 25px 28px 24px;
  border: 0;
  border-right: 1px solid var(--line);
  background: var(--white);
  box-shadow: inset 0 3px 0 transparent;
  transition: box-shadow 160ms ease, transform 160ms ease;
}

.evidence-card:last-child {
  border-right: 0;
}

.evidence-observed:hover,
.evidence-theory:hover,
.evidence-open:hover,
.resource-card:hover {
  background: var(--white);
  box-shadow: inset 0 3px 0 var(--lime);
  transform: translateY(-2px);
}

.evidence-meta,
.resource-type {
  margin-bottom: 38px;
  color: var(--ink-soft);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.status {
  padding: 0;
  border: 0;
  color: var(--ink-soft);
  background: transparent;
}

.status::before {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--lime);
  content: "";
  vertical-align: 1px;
}

.evidence-card h3,
.resource-card h3 {
  margin: 0 0 13px;
  font-size: 18px;
  font-weight: 630;
  letter-spacing: -0.025em;
  line-height: 1.42;
}

.evidence-card p,
.resource-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.evidence-card .source-link,
.resource-card a,
.email-link {
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 0.03em;
}

.source-link {
  border-bottom: 1px solid var(--ink);
}

.forum-intro > p,
.wish-intro > p,
.library-intro > p {
  max-width: 520px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
}

.auth-actions {
  display: flex;
  gap: 8px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.auth-button {
  flex: 1 1 145px;
  min-height: 43px;
  padding: 0 13px;
  border-color: var(--line);
  background: var(--white);
  font-size: 12px;
}

.auth-button:hover {
  border-color: var(--ink);
  background: var(--lime-soft);
}

.google-mark,
.x-mark,
.mail-mark {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 10px;
}

.backend-note {
  margin: 9px 0 0;
  color: #7b817e;
  font-size: 10px;
}

.forum-board {
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(40px, 7vw, 88px);
  width: min(100%, 1040px);
  margin: 68px auto 0;
  padding-top: 32px;
  border-top: 1px solid var(--ink);
}

.composer {
  padding: 18px;
  border-color: var(--line);
  background: var(--white);
  box-shadow: none;
}

.composer:focus-within {
  border-color: var(--ink);
}

.composer textarea {
  min-height: 104px;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.7;
}

.button {
  min-height: 42px;
  padding: 0 18px;
  border-radius: 0;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.025em;
}

.button-small {
  min-height: 36px;
  padding: 0 14px;
}

.button-dark {
  background: var(--ink);
  color: var(--white);
}

.button-dark:hover {
  background: var(--lime);
  color: var(--ink);
}

.discussion-header {
  margin-bottom: 3px;
}

.post {
  grid-template-columns: 34px 1fr;
  gap: 13px;
  padding: 20px 0;
}

.post-avatar {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 650;
}

.post-body {
  font-size: 13px;
  line-height: 1.7;
}

.wish-section {
  overflow: visible;
  background: var(--white);
  color: var(--ink);
}

.wish-form {
  width: min(100%, 1040px);
  margin: 66px auto 0;
  padding: 36px 0 40px;
  border: 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
  background: var(--white);
  box-shadow: none;
}

.field {
  margin-bottom: 24px;
}

.field label,
.visibility-options legend {
  margin-bottom: 7px;
  font-size: 10px;
  letter-spacing: 0.09em;
}

.field input,
.field textarea {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  font-size: 13px;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #929793;
}

.field textarea {
  min-height: 130px;
}

.visibility-options {
  gap: 10px;
  margin-bottom: 22px;
}

.radio-card {
  padding: 15px;
  border-color: var(--line);
  background: var(--white);
}

.radio-card:has(input:checked) {
  border-color: var(--ink);
  background: var(--lime-soft);
}

.radio-card strong {
  font-size: 12px;
}

.radio-card small,
.consent-row {
  color: var(--ink-soft);
  font-size: 11px;
}

.form-submit {
  margin-top: 25px;
}

.library-controls {
  width: min(100%, var(--max));
  margin: 66px auto 0;
  padding-bottom: 13px;
}

.library-tab {
  padding: 6px 11px;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  font-size: 11px;
}

.library-tab.active {
  border-color: var(--ink);
  background: transparent;
}

.resource-list {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.resource-card {
  min-height: 270px;
  padding: 28px;
  background: var(--white);
  box-shadow: inset 0 3px 0 transparent;
  transition: box-shadow 160ms ease, transform 160ms ease;
}

.resource-card a {
  padding-top: 14px;
}

.copyright-note {
  margin-top: 24px;
  font-size: 11px;
}

.site-footer {
  padding: 42px max(30px, calc((100% - var(--max)) / 2)) 26px;
  border-top: 1px solid var(--ink);
  background: var(--white);
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 370px);
  gap: clamp(50px, 10vw, 140px);
  padding-bottom: 38px;
}

.footer-identity {
  max-width: 640px;
}

.footer-brand {
  color: var(--ink);
  font-size: 18px;
  letter-spacing: -0.015em;
}

.footer-brand .brand-mark {
  width: 15px;
  height: 15px;
}

.footer-brand .brand-mark::after {
  width: 20px;
  height: 7px;
}

.footer-statement {
  max-width: 610px;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 12px;
  line-height: 1.8;
}

.footer-support {
  align-self: start;
}

.support-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  cursor: pointer;
  font-size: 12px;
  font-weight: 650;
}

.support-link:hover {
  background: var(--lime);
  color: var(--ink);
}

.footer-support p {
  margin: 9px 0 0;
  color: var(--ink-soft);
  font-size: 10px;
  line-height: 1.6;
}

.footer-bottom {
  gap: 18px;
  padding-top: 17px;
  font-size: 10px;
}

.footer-links {
  gap: 18px;
}

.modal {
  border: 1px solid var(--ink);
  border-radius: 0;
  box-shadow: 8px 8px 0 var(--lime);
}

.modal-card {
  padding: 42px 36px 32px;
}

.modal h2 {
  font-size: 24px;
}

.modal-close {
  border-radius: 0;
}

@media (max-width: 960px) {
  html {
    scroll-padding-top: 110px;
  }

  .site-header {
    display: block;
    min-height: 0;
    padding: 0;
  }

  .header-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    width: calc(100% - 36px);
    min-height: 62px;
    margin: 0 auto;
  }

  .brand {
    font-size: 24px;
  }

  .site-nav {
    position: static;
    height: auto;
    justify-content: flex-start;
    overflow-x: auto;
    padding: 0 7px;
    border-top: 1px solid var(--line);
  }

  .nav-link {
    padding: 11px 12px 10px;
    font-size: 19.5px;
    line-height: 22px;
  }

  .nav-link::after {
    bottom: 5px;
  }

  .section,
  .page-section {
    padding: 62px 20px 72px;
  }

  .section-grid,
  .why-section .section-grid {
    grid-template-columns: 1fr;
    gap: 34px;
    justify-content: stretch;
  }

  .section-heading h2,
  .section-heading .page-title {
    font-size: 24px;
  }

  .why-section .section-heading,
  .why-section .founder-letter {
    width: min(100%, 680px);
    margin: 0 auto;
  }

  .evidence-grid {
    grid-template-columns: 1fr;
    margin-top: 54px;
  }

  .evidence-card {
    min-height: 0;
    padding: 24px 0 26px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .evidence-card:last-child {
    border-bottom: 0;
  }

  .evidence-meta {
    margin-bottom: 25px;
  }

  .forum-board {
    grid-template-columns: 1fr;
    gap: 46px;
    margin-top: 54px;
  }

  .wish-form,
  .library-controls {
    margin-top: 54px;
  }

  .resource-list {
    grid-template-columns: 1fr;
  }

  .resource-card,
  .resource-card:nth-child(2n + 1) {
    min-height: 240px;
    border-right: 0;
    border-left: 0;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 34px;
  }
}

@media (max-width: 560px) {
  .header-inner {
    width: calc(100% - 28px);
  }

  .brand-mark {
    width: 17px;
    height: 17px;
  }

  .brand-mark::after {
    width: 22px;
  }

  .nav-link {
    padding-right: 11px;
    padding-left: 11px;
    font-size: 18px;
  }

  .letter-body {
    padding-left: 17px;
    font-size: 14px;
  }

  .auth-actions,
  .form-row,
  .visibility-options {
    grid-template-columns: 1fr;
  }

  .auth-actions {
    display: grid;
  }

  .wish-form {
    padding: 30px 0 34px;
  }

  .form-submit,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer {
    padding: 36px 20px 24px;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .modal-card {
    padding: 40px 22px 28px;
  }
}