:root {
  --purple: #6400ff;
  --purple-deep: #230054;
  --purple-black: #16002f;
  --lavender: #eee5ff;
  --mint: #28dc87;
  --yellow: #ffdf5d;
  --ink: #111018;
  --muted: #686270;
  --paper: #fbf8f2;
  --white: #fff;
  --line: #dcd5e2;
  --error: #b0131d;
  --success: #08783e;
  --shadow: 0 24px 70px rgb(24 0 57 / 16%);
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: Poppins, "Avenir Next", Avenir, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.52;
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

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

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

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: 76px;
  padding: 10px max(24px, calc((100vw - var(--max-width)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  background: rgb(251 248 242 / 94%);
  border-bottom: 1px solid rgb(220 213 226 / 78%);
  backdrop-filter: blur(16px);
}

.brand-link {
  display: inline-flex;
  align-items: center;
}

.brand-logo {
  display: block;
  width: 82px;
  height: 44px;
  object-fit: contain;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.site-header nav > a {
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
}

.site-header .header-action {
  padding: 10px 18px;
  color: var(--white);
  background: var(--purple);
  border-radius: 999px;
}

.humanity-opening {
  min-height: calc(100svh - 76px);
  padding: clamp(42px, 5vw, 68px) 0 0;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: clamp(22px, 3vw, 36px);
  background: var(--paper);
  overflow: hidden;
}

.humanity-intro {
  padding-inline: max(24px, calc((100vw - var(--max-width)) / 2));
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: clamp(32px, 8vw, 120px);
}

.humanity-intro > div:first-child {
  flex: 1 1 760px;
}

.humanity-intro h1 {
  max-width: 850px;
  margin: 0;
  color: var(--purple-deep);
  font-size: clamp(3.2rem, 6vw, 6.4rem);
}

.humanity-instructions {
  flex: 0 1 340px;
}

.humanity-instructions > p:first-child {
  margin-bottom: 16px;
  color: var(--muted);
}

.scroll-cue {
  margin: 0;
  color: var(--purple);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.scroll-cue span {
  display: inline-block;
  margin-left: 8px;
  color: var(--purple-deep);
  font-size: 1.25rem;
}

.humanity-rail {
  min-height: 0;
  padding: 0 0 18px;
  display: flex;
  gap: 0;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-inline: contain;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--purple) var(--lavender);
  scrollbar-width: thin;
}

.humanity-rail::-webkit-scrollbar {
  height: 8px;
}

.humanity-rail::-webkit-scrollbar-track {
  background: var(--lavender);
  border-radius: 999px;
}

.humanity-rail::-webkit-scrollbar-thumb {
  background: var(--purple);
  border-radius: 999px;
}

.humanity-card {
  position: relative;
  flex: 0 0 100%;
  height: clamp(370px, 56svh, 650px);
  margin: 0;
  overflow: hidden;
  background: var(--purple-deep);
  border-radius: 0;
  scroll-snap-align: start;
}

.humanity-card-portrait,
.humanity-card-wide {
  flex-basis: 100%;
}

.humanity-card img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform 500ms ease;
}

.humanity-card:hover img {
  transform: scale(1.02);
}

.humanity-card::after {
  position: absolute;
  inset: 38% 0 0;
  content: "";
  background: linear-gradient(transparent, rgb(16 0 40 / 82%));
  pointer-events: none;
}

.humanity-card figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1;
  padding: clamp(28px, 4vw, 56px) max(24px, calc((100vw - var(--max-width)) / 2));
  display: grid;
  gap: 4px;
  color: var(--white);
}

.humanity-card figcaption strong {
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  line-height: 1.05;
}

.humanity-card figcaption span {
  color: rgb(255 255 255 / 64%);
  font-size: 0.66rem;
}

.humanity-card figcaption a {
  color: var(--white);
  text-underline-offset: 3px;
}

.humanity-card:nth-child(1) img {
  object-position: 50% 50%;
}

.humanity-card:nth-child(2) img {
  object-position: 50% 52%;
}

.humanity-card:nth-child(3) img {
  object-position: 50% 46%;
}

.humanity-card:nth-child(4) img {
  object-position: 50% 50%;
}

@media (min-width: 941px) {
  .humanity-opening {
    min-height: auto;
    padding-top: clamp(28px, 3vw, 44px);
    grid-template-rows: auto auto;
    gap: clamp(16px, 2vw, 24px);
  }

  .humanity-rail {
    padding-bottom: 10px;
  }

  .humanity-intro h1 {
    font-size: clamp(3.2rem, 5.35vw, 5.8rem);
  }

  .humanity-card:nth-child(1) img {
    object-position: 50% 18%;
  }
}

.humanity-end {
  flex: 0 0 100%;
  height: clamp(370px, 56svh, 650px);
  padding: clamp(34px, 6vw, 76px) max(24px, calc((100vw - var(--max-width)) / 2));
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  color: var(--white);
  background: var(--purple);
  border-radius: 0;
  scroll-snap-align: start;
}

.humanity-end p {
  max-width: 780px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 5.5vw, 6rem);
  line-height: 0.96;
}

.humanity-end a {
  font-weight: 900;
  text-underline-offset: 5px;
}

.humanity-end a {
  color: var(--mint);
  font-size: clamp(1rem, 1.35vw, 1.3rem);
}

.hero {
  position: relative;
  min-height: calc(100svh - 76px);
  padding: clamp(52px, 6vw, 88px) max(24px, calc((100vw - var(--max-width)) / 2));
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(410px, 0.95fr);
  align-items: center;
  gap: clamp(38px, 5vw, 72px);
  color: var(--white);
  background:
    radial-gradient(circle at 88% 18%, rgb(100 0 255 / 55%), transparent 33%),
    linear-gradient(130deg, var(--purple-black), var(--purple-deep) 62%, #3a0088);
  overflow: hidden;
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(90deg, rgb(255 255 255 / 3%) 1px, transparent 1px),
    linear-gradient(rgb(255 255 255 / 3%) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, transparent, #000);
}

.hero-copy,
.hero-ask-card {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--purple);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero .eyebrow,
.ripple-section .eyebrow,
.post-action .eyebrow {
  color: var(--yellow);
}

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

h1 {
  max-width: 790px;
  margin-bottom: 26px;
  font-size: clamp(3.8rem, 6.3vw, 6.6rem);
  font-weight: 900;
  letter-spacing: -0.075em;
  line-height: 0.86;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(3rem, 6.5vw, 7rem);
  font-weight: 900;
  letter-spacing: -0.07em;
  line-height: 0.9;
}

.hero h2 {
  line-height: 0.94;
}

h3 {
  margin-bottom: 10px;
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.05;
}

.hero-summary {
  max-width: 660px;
  margin-bottom: 26px;
  color: rgb(255 255 255 / 82%);
  font-size: clamp(1.02rem, 1.55vw, 1.22rem);
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 22px;
}

.hero-link {
  color: var(--white);
  font-weight: 800;
  text-underline-offset: 6px;
}

.hero-link span {
  color: var(--mint);
}

.hero-note {
  margin: 28px 0 0;
  color: rgb(255 255 255 / 52%);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.button {
  min-height: 54px;
  padding: 14px 25px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: var(--purple);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 900;
  text-align: center;
  text-decoration: none;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

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

.button:disabled {
  cursor: wait;
  opacity: 0.65;
  transform: none;
}

.hero .button-primary {
  color: var(--purple-black);
  background: var(--mint);
  box-shadow: 0 14px 35px rgb(0 0 0 / 24%);
}

.button-large {
  min-height: 62px;
  padding-inline: 32px;
}

.button-full {
  width: 100%;
}

.hero-ask-card {
  max-width: 480px;
  margin-left: auto;
  padding: clamp(30px, 4vw, 52px);
  color: var(--purple-deep);
  background: var(--paper);
  border-radius: 28px;
  box-shadow: 0 28px 70px rgb(0 0 0 / 26%);
  transform: rotate(1.4deg);
}

.hero-ask-card p {
  margin-bottom: 32px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 3.5vw, 3.4rem);
  line-height: 1.03;
}

.hero-ask-card a {
  color: var(--purple);
  font-weight: 900;
  text-underline-offset: 5px;
}

.manifesto {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(100px, 13vw, 180px) 24px;
  display: grid;
  grid-template-columns: 90px minmax(0, 1.15fr) minmax(300px, 0.65fr);
  gap: clamp(30px, 6vw, 80px);
  align-items: start;
}

.section-number {
  margin: 5px 0 0;
  color: var(--purple);
  font-size: 0.88rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.manifesto-heading h2 {
  margin: 0;
}

.manifesto-heading em {
  color: var(--purple);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.manifesto-copy {
  padding-top: 36px;
}

.manifesto-copy p {
  color: var(--muted);
  font-size: 1.08rem;
}

.manifesto-copy .why-now {
  color: var(--ink);
  font-size: 1.23rem;
  font-weight: 700;
}

.source-link {
  color: var(--purple);
  font-weight: 900;
  text-underline-offset: 5px;
}

.proof-list {
  grid-column: 2 / -1;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  list-style: none;
  border-top: 1px solid var(--line);
}

.proof-list li {
  position: relative;
  min-height: 190px;
  padding: 34px 32px 30px 0;
  font-size: 1.05rem;
  font-weight: 800;
}

.proof-list li + li {
  padding-left: 32px;
  border-left: 1px solid var(--line);
}

.proof-list li::before {
  display: block;
  margin-bottom: 36px;
  color: var(--purple);
  font-size: 1.6rem;
  content: "●";
}

.ripple-section {
  padding: clamp(100px, 12vw, 170px) max(24px, calc((100vw - var(--max-width)) / 2));
  color: var(--white);
  background:
    radial-gradient(circle at 50% 45%, rgb(100 0 255 / 70%), transparent 45%),
    var(--purple-black);
}

.ripple-intro {
  max-width: 900px;
  margin: 0 auto 90px;
  text-align: center;
}

.ripple-intro h2 {
  margin-bottom: 30px;
}

.ripple-intro > p:last-child {
  max-width: 690px;
  margin: 0 auto;
  color: rgb(255 255 255 / 70%);
  font-size: 1.13rem;
}

.ripple-sequence {
  max-width: 1040px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 14px;
}

.ripple-step {
  display: grid;
  justify-items: center;
  gap: 14px;
}

.ripple-step p {
  margin: 0;
  color: rgb(255 255 255 / 70%);
  font-size: 0.83rem;
  font-weight: 800;
  text-align: center;
}

.ripple-orbit {
  width: clamp(92px, 11vw, 142px);
  height: clamp(92px, 11vw, 142px);
  display: grid;
  place-items: center;
  border: 1px solid rgb(255 255 255 / 40%);
  border-radius: 50%;
  box-shadow:
    0 0 0 13px rgb(255 255 255 / 4%),
    0 0 0 27px rgb(255 255 255 / 3%);
}

.ripple-orbit strong {
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  letter-spacing: -0.07em;
}

.ripple-step-one .ripple-orbit {
  color: var(--purple-black);
  background: var(--yellow);
  border-color: var(--yellow);
}

.ripple-arrow {
  color: var(--mint);
  font-size: 2rem;
  font-weight: 900;
}

.ripple-quote {
  max-width: 820px;
  margin: 100px auto 0;
  padding: 0;
  color: var(--yellow);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.7rem, 4vw, 3.6rem);
  line-height: 1.12;
  text-align: center;
  border: 0;
}

.action-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(100px, 13vw, 170px) 24px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.72fr);
  gap: clamp(50px, 9vw, 120px);
  align-items: start;
}

.action-message .section-number {
  margin-bottom: 58px;
}

.action-message h2 {
  color: var(--purple);
}

.action-lede {
  max-width: 690px;
  color: var(--muted);
  font-size: 1.22rem;
}

.target-line {
  margin: 36px 0 20px;
  display: grid;
  gap: 3px;
}

.target-line span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.target-line strong {
  max-width: 650px;
}

.action-message blockquote {
  margin: 30px 0 0;
  padding: 24px 0 24px 28px;
  font-size: 1.12rem;
  font-weight: 800;
  border-left: 6px solid var(--mint);
}

.action-card,
.share-panel {
  padding: clamp(28px, 4vw, 44px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.action-card {
  position: sticky;
  top: 104px;
}

.step-label {
  margin-bottom: 20px;
  color: var(--purple);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.card-intro {
  margin-bottom: 26px;
  color: var(--muted);
}

.field {
  margin-bottom: 17px;
}

.field label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.84rem;
  font-weight: 900;
}

.field label span {
  color: var(--muted);
  font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="number"],
select {
  width: 100%;
  min-height: 54px;
  padding: 12px 14px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid #aaa2ae;
  border-radius: 10px;
}

.field small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.4;
}

input:focus {
  border-color: var(--purple);
}

.consent {
  margin: 22px 0 7px;
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 0.8rem;
  cursor: pointer;
}

.consent input {
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--purple);
}

.consent-optional {
  margin-top: 14px;
  padding-top: 16px;
  border-top: 1px solid rgb(16 24 32 / 10%);
}

.form-note,
.demo-note {
  color: var(--muted);
  font-size: 0.73rem;
}

.form-note {
  margin-bottom: 20px;
}

.form-note a {
  color: var(--purple);
}

.demo-note {
  margin: 12px 0 0;
  text-align: center;
}

.form-status {
  min-height: 1.5em;
  margin: 12px 0 0;
  font-size: 0.84rem;
  font-weight: 800;
}

.form-status[data-tone="error"],
.form-error {
  color: var(--error);
}

.form-status[data-tone="success"] {
  color: var(--success);
}

.post-action {
  padding: clamp(36px, 5vw, 70px) 24px clamp(70px, 9vw, 120px);
  color: var(--white);
  background:
    radial-gradient(circle at 12% 20%, rgb(40 220 135 / 16%), transparent 27%),
    linear-gradient(145deg, var(--purple-black), #350087);
}

.share-panel {
  max-width: 850px;
  margin: 0 auto;
  color: var(--white);
  background: rgb(255 255 255 / 8%);
  border-color: rgb(255 255 255 / 20%);
  backdrop-filter: blur(10px);
}

.share-panel h2 {
  margin-bottom: 14px;
  font-size: clamp(2.8rem, 5vw, 4.7rem);
}

.share-lede {
  max-width: 680px;
  color: rgb(255 255 255 / 72%);
  font-size: 1.1rem;
}

.member-email-note {
  max-width: 680px;
  margin: 24px auto 0;
  padding: 14px 18px;
  color: var(--purple-black);
  background: var(--mint);
  border-radius: 14px;
  font-weight: 800;
  text-align: center;
}

.ripple-score {
  min-height: 150px;
  margin: 24px 0 10px;
  padding: 20px 24px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  background: rgb(0 0 0 / 18%);
  border-radius: 18px;
}

.starter-node {
  display: grid;
  justify-items: center;
  gap: 7px;
}

.starter-node > span {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  color: var(--purple-black);
  background: var(--yellow);
  border: 8px solid rgb(255 255 255 / 13%);
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: 900;
}

.starter-node strong {
  font-size: 0.77rem;
}

.branch-line {
  height: 2px;
  margin: 0 16px;
  background: linear-gradient(90deg, var(--yellow), rgb(255 255 255 / 34%));
}

.invitation-nodes {
  display: flex;
  gap: 12px;
}

.invitation-nodes span {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: rgb(255 255 255 / 65%);
  border: 2px dashed rgb(255 255 255 / 38%);
  border-radius: 50%;
  font-weight: 900;
}

.ripple-prompt {
  margin-bottom: 0;
  color: var(--yellow);
  font-weight: 900;
  text-align: center;
}

.share-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.share-button {
  min-height: 52px;
  padding: 11px 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: transparent;
  border: 1px solid rgb(255 255 255 / 34%);
  border-radius: 999px;
  cursor: pointer;
  font-weight: 900;
  text-align: center;
  text-decoration: none;
}

.share-button:hover,
.share-button-primary {
  color: var(--purple-black);
  background: var(--mint);
  border-color: var(--mint);
}

.invitation-banner {
  max-width: var(--max-width);
  margin: 22px auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--lavender);
  border: 1px solid #d6c1ff;
  border-radius: 999px;
}

.invitation-avatar {
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--purple);
  border-radius: 50%;
  font-weight: 900;
}

.invitation-banner p {
  margin: 0;
}

.invitation-banner a {
  margin-left: auto;
  color: var(--purple);
  font-weight: 900;
  white-space: nowrap;
}

.member-body {
  background: #f4eff8;
}

.member-main {
  min-height: 70vh;
}

.member-hero {
  min-height: 420px;
  padding: clamp(44px, 5vw, 70px) max(24px, calc((100vw - var(--max-width)) / 2)) 86px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.65fr);
  align-items: center;
  gap: clamp(44px, 8vw, 100px);
  color: var(--white);
  background:
    radial-gradient(circle at 82% 38%, rgb(100 0 255 / 70%), transparent 34%),
    linear-gradient(130deg, var(--purple-black), #33007d);
}

.member-copy .eyebrow {
  color: var(--yellow);
}

.member-copy h1 {
  max-width: 860px;
  margin-bottom: 16px;
  font-size: clamp(3.2rem, 5.5vw, 5.6rem);
}

.member-copy > p:last-child {
  max-width: 680px;
  color: rgb(255 255 255 / 72%);
  font-size: 1.17rem;
}

.member-photo {
  position: relative;
  min-height: 280px;
  margin: 0;
}

.member-photo > img {
  width: 100%;
  height: 280px;
  display: block;
  object-fit: cover;
  object-position: 50% 52%;
  border: 7px solid rgb(255 255 255 / 92%);
  border-radius: 28px;
  box-shadow: 0 24px 60px rgb(0 0 0 / 34%);
  transform: rotate(1.4deg);
}

.member-photo-marker {
  position: absolute;
  bottom: 26px;
  left: -24px;
  z-index: 2;
  padding: 8px 14px 8px 8px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--purple-black);
  background: var(--yellow);
  border-radius: 999px;
  box-shadow: 0 12px 30px rgb(0 0 0 / 28%);
}

.member-photo-marker span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--purple);
  border-radius: 50%;
  font-weight: 900;
}

.member-photo-marker strong {
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.member-photo figcaption {
  margin: 11px 0 0;
  color: rgb(255 255 255 / 58%);
  font-size: 0.65rem;
  text-align: right;
}

.member-photo figcaption a {
  color: var(--white);
  text-underline-offset: 3px;
}

.member-share-card,
.member-impact,
.member-message,
.member-error {
  width: min(calc(100% - 48px), var(--max-width));
  margin-right: auto;
  margin-left: auto;
}

.member-share-card {
  position: relative;
  z-index: 2;
  margin-top: -48px;
  padding: clamp(28px, 3.8vw, 46px);
  color: var(--white);
  background: var(--purple);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.member-share-card .eyebrow {
  color: var(--yellow);
}

.member-share-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
}

.member-share-heading h2 {
  margin: 0;
  font-size: clamp(2.8rem, 4.8vw, 4.8rem);
}

.member-share-heading > p {
  max-width: 430px;
  color: rgb(255 255 255 / 74%);
}

.member-link-field {
  margin-top: 24px;
  display: grid;
  gap: 9px;
}

.member-link-field > span:first-child {
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.member-link-field > span:last-child {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.member-link-field input {
  min-width: 0;
  background: var(--white);
  border: 0;
}

.member-link-field .button {
  color: var(--purple-black);
  background: var(--mint);
}

.member-share-actions {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 9px;
}

.member-share-button {
  min-height: 50px;
  padding: 10px 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: transparent;
  border: 1px solid rgb(255 255 255 / 38%);
  border-radius: 999px;
  cursor: pointer;
  font-weight: 900;
  text-align: center;
  text-decoration: none;
}

.member-share-button:hover,
.member-share-primary {
  color: var(--purple-black);
  background: var(--mint);
  border-color: var(--mint);
}

.member-status {
  min-height: 1.5em;
  margin: 12px 0 0;
  color: var(--yellow);
  font-weight: 800;
}

.member-status[data-tone="error"] {
  color: #ffd7dc;
}

.member-impact {
  margin-top: 26px;
  padding: clamp(34px, 5vw, 62px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 28px;
}

.impact-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
}

.impact-header h2 {
  margin: 0;
  font-size: clamp(3rem, 6vw, 5.8rem);
}

.impact-summary {
  max-width: 320px;
}

.impact-summary > p:first-child {
  margin: 0;
  color: var(--muted);
}

.demo-data-label {
  width: fit-content;
  margin: 12px 0 0;
  padding: 7px 10px;
  color: var(--purple-deep);
  background: var(--lavender);
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-transform: uppercase;
}

.member-metrics {
  margin: 36px 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.member-metrics div {
  padding: 25px 0;
  display: grid;
  gap: 5px;
}

.member-metrics div + div {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.member-metrics dt {
  color: var(--muted);
  font-size: 0.76rem;
}

.member-metrics dd {
  margin: 0;
  font-size: 2rem;
  font-weight: 900;
}

.generation-breakdown {
  margin-top: 38px;
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) minmax(0, 1.5fr);
  align-items: end;
  gap: 34px;
}

.generation-breakdown h3 {
  max-width: 360px;
  margin: 4px 0 0;
  font-size: clamp(1.7rem, 2.5vw, 2.5rem);
  line-height: 1.04;
}

.generation-list {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  list-style: none;
}

.generation-list li {
  min-height: 156px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--white);
  background: var(--purple);
  border-radius: 16px;
}

.generation-list li:nth-child(2) { min-height: 188px; }
.generation-list li:nth-child(3) { min-height: 216px; }
.generation-list li:nth-child(4) { min-height: 174px; }

.generation-list span,
.generation-list small {
  color: rgb(255 255 255 / 68%);
}

.generation-list span {
  order: 2;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.generation-list strong {
  font-size: 2.5rem;
  line-height: 1;
}

.generation-list small {
  order: 3;
  margin-top: 3px;
}

.member-branches {
  margin-top: 38px;
  padding: 30px;
  display: grid;
  grid-template-columns: auto 1fr 1.6fr;
  align-items: center;
  background: var(--purple-black);
  border-radius: 20px;
}

.member-you {
  display: grid;
  justify-items: center;
  gap: 6px;
  color: var(--white);
}

.member-you span {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  color: var(--purple-black);
  background: var(--yellow);
  border-radius: 50%;
  font-weight: 900;
}

.member-you small {
  font-weight: 800;
}

.member-branch-line {
  height: 2px;
  margin: 0 22px;
  background: linear-gradient(90deg, var(--yellow), rgb(255 255 255 / 28%));
}

.member-branches ol {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  list-style: none;
}

.member-branches li {
  display: grid;
  justify-items: center;
  gap: 7px;
  color: var(--white);
  font-size: 0.72rem;
  text-align: center;
}

.member-branches li span {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: var(--purple-black);
  background: var(--mint);
  border: 2px solid var(--mint);
  border-radius: 50%;
  font-size: 1rem;
  font-weight: 900;
}

.member-branches li small {
  color: rgb(255 255 255 / 62%);
}

.member-message {
  padding: clamp(80px, 11vw, 140px) 0;
  text-align: center;
}

.member-message blockquote,
.member-message-copy {
  max-width: 940px;
  margin: 0 auto 30px;
  padding: 0;
  color: var(--purple-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4.6vw, 4.4rem);
  line-height: 1.08;
  border: 0;
}

.member-message a {
  color: var(--purple);
  font-weight: 900;
}

.member-preferences {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto clamp(70px, 9vw, 120px);
  padding: clamp(34px, 5vw, 62px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  gap: clamp(34px, 7vw, 90px);
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 28px;
}

.member-preferences h2 {
  margin: 6px 0 16px;
}

.member-preferences form {
  padding: 24px;
  display: grid;
  gap: 16px;
  background: var(--paper);
  border-radius: 18px;
}

.member-preferences .field {
  display: grid;
  gap: 7px;
}

.member-signout {
  align-self: end;
  justify-self: start;
  padding: 0;
  color: var(--muted);
  background: transparent;
  border: 0;
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}

.access-body {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--paper), var(--lavender));
}

.access-main {
  min-height: calc(100vh - 76px);
  padding: clamp(36px, 7vw, 90px) 18px;
  display: grid;
  place-items: center;
}

.access-card {
  width: min(100%, 720px);
  padding: clamp(30px, 6vw, 68px);
  background: var(--white);
  border-radius: 28px;
  box-shadow: 0 24px 70px rgb(23 0 54 / 14%);
}

.access-card h1 {
  margin: 8px 0 24px;
  color: var(--purple-deep);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
}

.access-card form {
  margin-top: 28px;
  display: grid;
  gap: 18px;
}

.access-privacy {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.member-error {
  min-height: 70vh;
  padding: 100px 0;
  text-align: center;
}

.member-error h1 {
  margin-right: auto;
  margin-left: auto;
  font-size: clamp(3rem, 7vw, 6rem);
}

.site-footer {
  min-height: 150px;
  padding: 40px max(24px, calc((100vw - var(--max-width)) / 2));
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  color: var(--white);
  background: var(--ink);
}

.site-footer p {
  margin: 0;
}

.footer-copy {
  display: grid;
  gap: 5px;
}

.site-footer .photo-disclaimer {
  max-width: 720px;
  color: rgb(255 255 255 / 54%);
  font-size: 0.67rem;
  line-height: 1.4;
}

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

.footer-logo {
  width: 72px;
  height: 42px;
  padding: 7px;
  object-fit: contain;
  background: var(--white);
  border-radius: 8px;
}

.welcome-body {
  background: var(--paper);
}

.welcome-main {
  min-height: 70vh;
}

.welcome-hero {
  position: relative;
  min-height: 590px;
  display: block;
  overflow: hidden;
  color: var(--white);
  background: var(--purple-deep);
}

.welcome-hero::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  content: "";
  background:
    linear-gradient(90deg, rgb(22 0 47 / 96%) 0%, rgb(35 0 84 / 89%) 34%, rgb(35 0 84 / 50%) 62%, rgb(22 0 47 / 12%) 100%),
    linear-gradient(0deg, rgb(22 0 47 / 34%), transparent 48%);
  pointer-events: none;
}

.welcome-hero-copy {
  position: relative;
  z-index: 2;
  width: min(62%, 880px);
  min-height: 590px;
  padding: clamp(62px, 8vw, 118px) clamp(32px, 6vw, 96px) clamp(88px, 10vw, 142px) max(24px, calc((100vw - var(--max-width)) / 2));
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.welcome-hero .eyebrow,
.welcome-challenge .eyebrow {
  color: var(--yellow);
}

.welcome-hero h1 {
  max-width: 770px;
  margin: 0;
  font-size: clamp(3.7rem, 6.6vw, 7.25rem);
  letter-spacing: -0.065em;
  line-height: 0.88;
}

.welcome-lede {
  max-width: 650px;
  margin: 26px 0 0;
  color: rgb(255 255 255 / 76%);
  font-size: clamp(1.08rem, 1.5vw, 1.35rem);
}

.welcome-photo {
  position: absolute;
  inset: 0;
  margin: 0;
  background: #5b315f;
}

.welcome-photo img {
  width: 100%;
  height: 100%;
  min-height: 590px;
  display: block;
  object-fit: cover;
  object-position: 50% 48%;
}

.welcome-photo figcaption {
  position: absolute;
  right: 18px;
  bottom: 14px;
  z-index: 3;
  margin: 0;
  color: rgb(255 255 255 / 76%);
  font-size: 0.62rem;
}

.welcome-photo figcaption a {
  color: var(--white);
}

.welcome-challenge,
.welcome-sequence,
.welcome-next,
.welcome-error {
  width: min(calc(100% - 48px), var(--max-width));
  margin-right: auto;
  margin-left: auto;
}

.welcome-challenge {
  position: relative;
  z-index: 2;
  margin-top: -68px;
  padding: clamp(34px, 5vw, 68px);
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(300px, 0.85fr);
  gap: 38px clamp(42px, 7vw, 94px);
  color: var(--white);
  background: var(--purple);
  border-radius: 30px;
  box-shadow: var(--shadow);
}

.welcome-challenge h2 {
  max-width: 630px;
  margin: 2px 0 14px;
  font-size: clamp(3.2rem, 5.8vw, 6.2rem);
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.welcome-challenge-copy > p:not(.eyebrow, .demo-data-label) {
  max-width: 540px;
  margin-bottom: 0;
  color: rgb(255 255 255 / 76%);
}

.welcome-score {
  align-self: end;
  padding: 26px;
  color: var(--purple-black);
  background: var(--yellow);
  border-radius: 22px;
  transform: rotate(1deg);
}

.welcome-score-line {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
}

.welcome-score-line strong {
  font-size: clamp(2.5rem, 5vw, 4.7rem);
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.welcome-score-line > span {
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.welcome-progress {
  height: 13px;
  margin: 20px 0 12px;
  overflow: hidden;
  background: rgb(35 0 84 / 18%);
  border-radius: 999px;
}

.welcome-progress span {
  width: 0;
  height: 100%;
  display: block;
  background: var(--purple-deep);
  border-radius: inherit;
  transition: width 650ms ease;
}

.welcome-score > p {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 800;
}

.welcome-share-box {
  grid-column: 1 / -1;
  padding-top: 34px;
  border-top: 1px solid rgb(255 255 255 / 28%);
}

.welcome-share-prompt {
  margin: 0 0 18px;
  font-size: clamp(1.55rem, 2.8vw, 2.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
}

.welcome-share-actions {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.welcome-share-button {
  min-height: 58px;
  padding: 12px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: transparent;
  border: 1px solid rgb(255 255 255 / 42%);
  border-radius: 999px;
  cursor: pointer;
  font-weight: 900;
  text-align: center;
  text-decoration: none;
}

.welcome-share-button:hover,
.welcome-share-primary {
  color: var(--purple-black);
  background: var(--mint);
  border-color: var(--mint);
}

.welcome-link-field {
  margin-top: 22px;
  display: grid;
  gap: 7px;
}

.welcome-link-field span {
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.welcome-link-field input {
  width: 100%;
  min-width: 0;
  color: rgb(255 255 255 / 68%);
  background: rgb(22 0 47 / 36%);
  border-color: rgb(255 255 255 / 24%);
}

.welcome-status {
  min-height: 1.5em;
  margin: 10px 0 0;
  color: var(--yellow);
  font-weight: 800;
}

.welcome-status[data-tone="error"] {
  color: #ffd7dc;
}

.welcome-sequence {
  padding: clamp(82px, 10vw, 138px) 0;
}

.welcome-sequence-intro {
  max-width: 820px;
}

.welcome-sequence-intro h2 {
  margin: 4px 0 18px;
  color: var(--purple-deep);
  font-size: clamp(3.7rem, 7.5vw, 7.4rem);
  letter-spacing: -0.065em;
  line-height: 0.88;
}

.welcome-sequence-intro > p:last-child {
  max-width: 630px;
  color: var(--muted);
  font-size: 1.1rem;
}

.welcome-steps {
  margin: 58px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.welcome-steps li {
  min-height: 260px;
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.welcome-steps li + li {
  border-left: 1px solid var(--line);
}

.welcome-steps li > span {
  width: 44px;
  height: 44px;
  margin-bottom: auto;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--purple);
  border-radius: 50%;
  font-weight: 900;
}

.welcome-steps strong {
  font-size: clamp(1.45rem, 2.3vw, 2.2rem);
  letter-spacing: -0.04em;
}

.welcome-steps p {
  margin: 8px 0 0;
  color: var(--muted);
}

.welcome-chain {
  margin-top: 64px;
  padding: 34px clamp(20px, 5vw, 60px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--white);
  background: var(--purple-black);
  border-radius: 24px;
}

.welcome-chain div {
  display: grid;
  justify-items: center;
  gap: 4px;
}

.welcome-chain div > :first-child {
  width: clamp(62px, 8vw, 94px);
  height: clamp(62px, 8vw, 94px);
  display: grid;
  place-items: center;
  color: var(--purple-black);
  background: var(--yellow);
  border-radius: 50%;
  font-size: clamp(1.6rem, 3vw, 2.7rem);
  font-weight: 900;
}

.welcome-chain b {
  color: var(--mint);
  font-size: clamp(1.5rem, 4vw, 3.5rem);
}

.welcome-chain small {
  color: rgb(255 255 255 / 66%);
  font-weight: 800;
}

.welcome-chain-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: right;
}

.welcome-next {
  margin-bottom: 78px;
  padding: clamp(32px, 5vw, 56px);
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 38px;
  background: var(--lavender);
  border: 1px solid #d6c1ff;
  border-radius: 26px;
}

.welcome-next h2 {
  max-width: 740px;
  margin: 4px 0 8px;
  color: var(--purple-deep);
  font-size: clamp(2.7rem, 5vw, 5rem);
  letter-spacing: -0.06em;
  line-height: 0.92;
}

.welcome-next p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.welcome-next .button {
  flex: 0 0 auto;
}

@media (max-width: 940px) {
  .humanity-intro {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .humanity-intro > div:first-child,
  .humanity-instructions {
    flex: 0 1 auto;
  }

  .humanity-instructions {
    max-width: 620px;
  }

  .humanity-card {
    flex-basis: 100%;
  }

  .humanity-card-portrait,
  .humanity-card-wide {
    flex-basis: 100%;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

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

  .hero-ask-card {
    max-width: 650px;
    margin: 0;
    transform: none;
  }

  .manifesto {
    grid-template-columns: 60px 1fr;
  }

  .manifesto-copy {
    grid-column: 2;
    padding-top: 0;
  }

  .proof-list {
    grid-column: 2;
  }

  .action-section {
    grid-template-columns: 1fr;
  }

  .action-card {
    position: static;
    max-width: 650px;
  }

  .member-hero {
    grid-template-columns: 1fr;
  }

  .member-photo {
    width: min(70vw, 520px);
    margin: 0 auto;
  }

  .member-share-heading,
  .impact-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .member-share-actions {
    grid-template-columns: repeat(3, 1fr);
  }

  .member-preferences {
    grid-template-columns: 1fr;
  }

  .welcome-hero {
    min-height: 620px;
  }

  .welcome-hero-copy {
    width: min(76%, 760px);
    min-height: 620px;
    padding-right: max(24px, calc((100vw - var(--max-width)) / 2));
  }

  .welcome-photo img {
    min-height: 620px;
  }

  .welcome-challenge {
    grid-template-columns: 1fr;
  }

  .welcome-score {
    max-width: 620px;
  }

  .welcome-share-actions {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 680px) {
  body {
    font-size: 16px;
  }

  .site-header {
    min-height: 66px;
    padding-inline: 16px;
  }

  .brand-logo {
    width: 70px;
    height: 38px;
  }

  .site-header nav > a:not(.header-action) {
    display: none;
  }

  .site-header .header-action {
    padding: 8px 14px;
  }

  .invitation-banner {
    width: calc(100% - 24px);
    margin: 12px auto;
    align-items: flex-start;
    flex-wrap: wrap;
    border-radius: 18px;
  }

  .invitation-banner p {
    width: calc(100% - 58px);
  }

  .invitation-banner a {
    width: 100%;
    margin-left: 56px;
  }

  .humanity-opening {
    min-height: calc(100svh - 66px);
    padding: 38px 0 0;
    gap: 24px;
  }

  .humanity-intro {
    padding-inline: 18px;
  }

  .humanity-intro h1 {
    font-size: clamp(3.2rem, 14vw, 4.5rem);
  }

  .humanity-instructions > p:first-child {
    margin-bottom: 10px;
  }

  .humanity-rail {
    margin-right: 0;
    padding-right: 0;
    gap: 0;
  }

  .humanity-card,
  .humanity-card-portrait,
  .humanity-card-wide,
  .humanity-end {
    flex-basis: 100%;
  }

  .humanity-card {
    height: min(52svh, 430px);
    border-radius: 0;
  }

  .humanity-card figcaption {
    padding: 20px;
  }

  .humanity-end {
    height: min(52svh, 430px);
    padding: 36px 18px;
    border-radius: 0;
  }

  .hero {
    padding: 62px 18px 72px;
  }

  h1 {
    font-size: clamp(3.25rem, 15vw, 4.5rem);
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .button,
  .hero-link {
    width: 100%;
    text-align: center;
  }

  .hero-ask-card {
    padding: 28px 24px;
  }

  .manifesto,
  .action-section {
    padding-inline: 18px;
  }

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

  .section-number,
  .manifesto-heading,
  .manifesto-copy,
  .proof-list {
    grid-column: 1;
  }

  .manifesto-copy {
    padding-top: 0;
  }

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

  .proof-list li {
    min-height: auto;
    padding: 28px 0;
  }

  .proof-list li + li {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .proof-list li::before {
    margin-bottom: 18px;
  }

  .ripple-section {
    padding-inline: 18px;
  }

  .ripple-intro {
    margin-bottom: 64px;
    text-align: left;
  }

  .ripple-sequence {
    max-width: 360px;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ripple-arrow {
    transform: rotate(90deg);
  }

  .ripple-orbit {
    width: 112px;
    height: 112px;
  }

  .ripple-quote {
    margin-top: 74px;
    text-align: left;
  }

  .action-message .section-number {
    margin-bottom: 36px;
  }

  .action-card,
  .share-panel {
    padding: 28px 20px;
    border-radius: 18px;
  }

  .ripple-score {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .branch-line {
    width: 2px;
    height: 38px;
    margin: 0 auto;
    background: linear-gradient(var(--yellow), rgb(255 255 255 / 34%));
  }

  .invitation-nodes {
    justify-content: center;
  }

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

  .site-footer {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .member-header nav > a:not(.header-action) {
    display: none;
  }

  .member-hero {
    min-height: auto;
    padding: 46px 18px 86px;
  }

  .member-copy h1 {
    font-size: clamp(3rem, 14vw, 4.4rem);
  }

  .member-copy > p:last-child {
    margin-bottom: 0;
    font-size: 1rem;
  }

  .member-photo {
    display: none;
  }

  .member-share-card,
  .member-impact,
  .member-message,
  .member-preferences,
  .member-error {
    width: calc(100% - 24px);
  }

  .member-share-card {
    margin-top: -48px;
    padding: 28px 20px;
    border-radius: 20px;
  }

  .member-share-heading {
    display: flex;
  }

  .member-link-field > span:last-child {
    grid-template-columns: 1fr;
  }

  .member-share-actions {
    grid-template-columns: 1fr 1fr;
  }

  .member-impact {
    padding: 30px 20px;
    border-radius: 20px;
  }

  .member-preferences {
    padding: 30px 20px;
    border-radius: 20px;
  }

  .impact-header {
    display: flex;
  }

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

  .member-metrics div,
  .member-metrics div + div {
    padding: 18px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .member-metrics div:first-child {
    border-top: 0;
  }

  .generation-breakdown {
    grid-template-columns: 1fr;
  }

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

  .generation-list li,
  .generation-list li:nth-child(2),
  .generation-list li:nth-child(3),
  .generation-list li:nth-child(4) {
    min-height: 128px;
  }

  .member-branches {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .member-branch-line {
    width: 2px;
    height: 36px;
    margin: 0 auto;
    background: linear-gradient(var(--yellow), rgb(255 255 255 / 28%));
  }

  .member-branches ol {
    gap: 7px;
  }

  .welcome-header nav > a:not(.header-action) {
    display: none;
  }

  .welcome-header .header-action {
    padding: 8px 12px;
    font-size: 0.72rem;
  }

  .welcome-hero {
    min-height: 680px;
  }

  .welcome-hero::after {
    background:
      linear-gradient(180deg, rgb(22 0 47 / 40%) 0%, rgb(22 0 47 / 70%) 48%, rgb(22 0 47 / 97%) 100%),
      linear-gradient(90deg, rgb(35 0 84 / 52%), transparent);
  }

  .welcome-hero-copy {
    width: 100%;
    min-height: 680px;
    padding: 58px 18px 96px;
    justify-content: flex-end;
  }

  .welcome-hero h1 {
    font-size: clamp(3.3rem, 15vw, 5.1rem);
  }

  .welcome-photo img {
    min-height: 680px;
    object-position: 56% 50%;
  }

  .welcome-challenge,
  .welcome-sequence,
  .welcome-next,
  .welcome-error {
    width: calc(100% - 24px);
  }

  .welcome-challenge {
    margin-top: -42px;
    padding: 30px 20px;
    gap: 28px;
    border-radius: 22px;
  }

  .welcome-challenge h2 {
    font-size: clamp(3rem, 14vw, 4.5rem);
  }

  .welcome-score {
    padding: 22px 18px;
  }

  .welcome-share-box {
    padding-top: 26px;
  }

  .welcome-share-actions {
    grid-template-columns: 1fr;
  }

  .welcome-sequence {
    padding: 82px 0;
  }

  .welcome-sequence-intro h2 {
    font-size: clamp(3.4rem, 15vw, 5.2rem);
  }

  .welcome-steps {
    grid-template-columns: 1fr;
  }

  .welcome-steps li {
    min-height: auto;
    padding: 28px 0;
  }

  .welcome-steps li + li {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .welcome-steps li > span {
    margin-bottom: 34px;
  }

  .welcome-chain {
    padding: 26px 14px;
    gap: 7px;
  }

  .welcome-chain div > :first-child {
    width: 58px;
    height: 58px;
    font-size: 1.45rem;
  }

  .welcome-chain small {
    font-size: 0.58rem;
  }

  .welcome-next {
    margin-bottom: 42px;
    padding: 30px 20px;
    align-items: flex-start;
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}