/* The public front door uses the same Cloudflare OS tokens as the lab. */
.join {position:relative;isolation:isolate;height:100dvh;overflow-y:auto;overflow-x:hidden;background:var(--color-kumo-base);scrollbar-color:var(--color-kumo-fill) transparent;scroll-behavior:smooth}
.start-atmosphere {position:absolute;inset:0 0 auto;height:1160px;overflow:hidden;z-index:-1;pointer-events:none}
.start-header {position:relative;z-index:2;display:flex;align-items:center;gap:48px;max-width:1344px;min-height:88px;margin:auto;padding:18px 32px;border-bottom:1px solid var(--color-kumo-line)}
.start-header nav,.start-utilities {display:flex;align-items:center;gap:28px}
.start-header nav a {font-size:var(--text-base);color:var(--text-color-kumo-subtle);text-decoration:none;padding:10px 0}
.start-header nav a:hover {color:var(--text-color-kumo-default)}
.start-utilities {margin-left:auto;gap:14px}
.start-utilities .button {min-height:40px;background:transparent}
.start-utilities .icon {width:16px;height:16px}
.start-utilities .start-join-shortcut {display:none}
.start-main,.start-footer {position:relative;width:min(1160px,calc(100% - 64px));margin:auto}
.start-hero {display:grid;grid-template-columns:minmax(0,1fr) 400px;align-items:center;gap:64px;padding:76px 0 80px}
.join-intro {position:relative;min-width:0;animation:content-in .5s var(--ease-out-strong) both}
.start-eyebrow {display:block;margin:0 0 18px;font-size:var(--text-base);line-height:1.5;font-weight:500;color:var(--text-color-kumo-subtle)}
.join-intro>.start-eyebrow {display:flex;align-items:center;gap:10px}
.start-signal {width:8px;height:8px;flex-shrink:0;background:var(--color-kumo-brand);border-radius:2px;box-shadow:0 0 0 5px color-mix(in srgb,var(--color-kumo-brand) 8%,transparent)}
.join h1 {font-size:clamp(3rem,4.9vw,4.5rem);line-height:1.04;letter-spacing:-.065em;font-weight:450;margin:0;text-wrap:balance}
.join h1:focus {outline:none}
.join h1 em {font-style:normal;color:var(--text-color-kumo-brand)}
.join-intro>p:not(.start-eyebrow) {font-size:18px;line-height:1.7;color:var(--text-color-kumo-subtle);margin:24px 0 0;max-width:560px;text-wrap:pretty}
.start-actions {display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin-top:28px}
#exploreLabs {min-height:46px;padding:12px 18px;gap:14px;background:var(--text-color-kumo-default);border-color:var(--text-color-kumo-default);color:var(--color-kumo-base)}
#exploreLabs:hover {background:var(--text-color-kumo-default-hover)}
#exploreLabs .icon {width:17px;height:17px;transition:translate .2s var(--ease-out-strong)}
#exploreLabs:hover .icon {translate:2px -2px}
.start-actions>span {font-size:var(--text-base);line-height:1.5;color:var(--text-color-kumo-subtle)}
.start-promises {display:flex;flex-wrap:wrap;gap:12px 22px;margin:28px 0 0;padding:0;list-style:none;font-size:var(--text-base);line-height:1.5;color:var(--text-color-kumo-subtle)}
.start-promises li {display:flex;align-items:center;gap:6px}
.start-promises .icon {width:16px;height:16px;color:var(--text-color-kumo-default)}
.join-card {position:relative;min-width:0;scroll-margin-top:28px;border:1px solid var(--color-kumo-line);border-radius:18px;background:var(--color-kumo-base);box-shadow:0 24px 80px -28px #713c2624,0 4px 12px #00000004,inset 0 1px 0 #ffffff50;animation:entry-card-in .6s .08s var(--ease-out-strong) both}
.join-card-heading {position:relative;padding:28px 28px 0}
.join-symbol {position:absolute;top:28px;right:28px;width:42px;height:42px;color:var(--text-color-kumo-brand)}
.join-symbol svg {display:block;width:100%;height:100%}
.join-card-heading .start-eyebrow {margin:0 52px 8px 0}
.join-card-heading h2 {font-size:28px;line-height:1.2;font-weight:500;letter-spacing:-.045em;margin:0 52px 0 0}
.join-card-heading p {font-size:var(--text-lg);line-height:1.5;color:var(--text-color-kumo-subtle);margin:12px 0 0}
.join-entry {padding:24px 28px}
.join form {margin:0}
.join-fields {display:grid;gap:16px}
.join label {font-size:var(--text-base);line-height:1.5;margin-bottom:7px;color:var(--text-color-kumo-default)}
.join label span {color:var(--text-color-kumo-subtle)}
.join input {height:46px;padding:11px 13px;background:var(--color-kumo-control);font-size:var(--text-lg)}
.join form>button {width:100%;min-height:46px;margin-top:20px;justify-content:center}
.join .primary {background:color-mix(in srgb,var(--color-kumo-brand) 84%,#000);border-color:color-mix(in srgb,var(--color-kumo-brand) 84%,#000);color:#fff}
.join .primary:hover {background:color-mix(in srgb,var(--color-kumo-brand-hover) 84%,#000);border-color:color-mix(in srgb,var(--color-kumo-brand-hover) 84%,#000)}
#joinButton .icon {width:16px;height:16px;transition:translate .2s var(--ease-out-strong)}
#joinButton:hover .icon {translate:2px -2px}
#joinError {font-size:var(--text-base);line-height:1.5;color:var(--text-color-kumo-danger);margin:12px 0 0}
#joinError:empty {display:none}
.join-entry-footer {margin-top:16px}
.join-entry-footer details {font-size:var(--text-base);line-height:1.5;color:var(--text-color-kumo-subtle)}
.join-entry-footer summary {cursor:pointer;text-align:center;padding:4px 0;list-style-position:inside}
.join-entry-footer details[open] {padding:12px 14px 14px;border:1px solid var(--color-kumo-line);border-radius:10px;background:var(--color-kumo-elevated)}
.join-entry-footer details[open] summary {padding:0 0 4px}
.join-entry-footer details form {text-align:left;margin-top:14px}
.join-entry-footer details textarea {background:var(--color-kumo-control);font-size:var(--text-lg)}
.join-products {display:flex;justify-content:center;gap:22px;padding:16px 18px;border-top:1px solid var(--color-kumo-line);border-radius:0 0 18px 18px;background:var(--color-kumo-elevated);color:var(--text-color-kumo-subtle);font-size:var(--text-base);line-height:1.5}
.join-products>span {display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.join-products .icon {width:16px;height:16px;color:var(--text-color-kumo-inactive)}
.start-preview-note {padding:12px 14px;margin:0 0 20px;border:1px solid var(--color-kumo-line);border-radius:8px;background:var(--color-kumo-elevated);font-size:var(--text-base);line-height:1.6;color:var(--text-color-kumo-subtle)}
.start-preview-note b {display:block;color:var(--text-color-kumo-default);font-weight:500}
.start-section-heading {display:flex;align-items:flex-end;justify-content:space-between;gap:32px}
.start-section-heading .start-eyebrow {margin-bottom:10px}
.join h2 {text-wrap:balance}
.start-section-heading h2,.start-host h2 {font-size:clamp(1.875rem,2.8vw,2.5rem);line-height:1.12;letter-spacing:-.05em;font-weight:450;margin:0}
.start-section-heading>p {max-width:380px;margin:0;font-size:var(--text-lg);line-height:1.7;color:var(--text-color-kumo-subtle)}
.start-included {padding:48px 0 64px;border-top:1px solid var(--color-kumo-line);scroll-margin-top:32px}
/* A readable map of the real build experience, not a simulated live session. */
.start-workspace {margin-top:32px;border:1px solid var(--color-kumo-line);border-radius:16px;background:var(--color-kumo-control);overflow:hidden;box-shadow:0 16px 50px -32px #00000016}
.start-workspace-bar {display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 24px;border-bottom:1px solid var(--color-kumo-line);background:var(--color-kumo-elevated);font-size:var(--text-base);line-height:1.5;color:var(--text-color-kumo-subtle)}
.start-workspace-bar>span:first-child {display:flex;align-items:center;gap:10px;color:var(--text-color-kumo-default)}
.start-workspace-bar .icon {width:17px;height:17px}
.start-build-path {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px;list-style:none;margin:0;padding:32px}
.start-build-path li {min-width:0;position:relative}
.start-build-marker {display:flex;align-items:center;gap:12px;font:var(--text-base)/1.5 var(--font-mono);color:var(--text-color-kumo-subtle)}
.start-build-marker>.icon {width:24px;height:24px;flex-shrink:0;color:var(--text-color-kumo-brand)}
.start-build-marker::after {content:'';height:1px;flex:1;background:var(--color-kumo-line)}
.start-build-path h3 {font-size:22px;line-height:1.3;font-weight:500;letter-spacing:-.035em;margin:24px 0 12px}
.start-build-path p {margin:0;font-size:var(--text-lg);line-height:1.7;color:var(--text-color-kumo-subtle)}
.start-workspace-tools {display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:16px 40px;padding:18px 24px;border-top:1px solid var(--color-kumo-line);font-size:var(--text-base);line-height:1.5;color:var(--text-color-kumo-subtle)}
.start-workspace-tools>span {display:flex;align-items:center;gap:8px}
.start-workspace-tools .icon {width:16px;height:16px}
.start-labs {padding:60px 0 72px;border-top:1px solid var(--color-kumo-line);scroll-margin-top:32px}
.start-text-link {display:inline-flex;align-items:center;gap:10px;font-size:var(--text-base);line-height:1.5;color:var(--text-color-kumo-default);text-decoration:none;white-space:nowrap;padding:8px 0}
.start-text-link:hover {color:var(--text-color-kumo-brand)}
.start-text-link .icon {width:16px;height:16px}
.start-section-lead {max-width:640px;color:var(--text-color-kumo-subtle);font-size:var(--text-lg);line-height:1.7;margin:18px 0 28px}
.start-possibilities {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;margin-top:32px}
.start-possibilities article {min-width:0}
.start-possibilities article>[data-icon] {display:flex;width:40px;height:40px;align-items:center;justify-content:center;border:1px solid var(--color-kumo-line);border-radius:10px;background:var(--color-kumo-control)}
.start-possibilities article>[data-icon] .icon {width:21px;height:21px}
.start-possibilities h3 {font-size:23px;line-height:1.3;font-weight:500;letter-spacing:-.035em;margin:20px 0 12px}
.start-possibilities p {font-size:var(--text-lg);line-height:1.7;color:var(--text-color-kumo-subtle);margin:0 0 18px;max-width:340px}
.start-possibilities article>span:last-child {font-size:var(--text-base);line-height:1.5;color:var(--text-color-kumo-subtle)}
.start-examples {display:flex;align-items:center;flex-wrap:wrap;gap:16px 24px;margin-top:36px;padding-top:24px;border-top:1px solid var(--color-kumo-line);font-size:var(--text-base);line-height:1.5;color:var(--text-color-kumo-subtle)}
.start-examples>.start-text-link {margin-left:auto}
.start-lab-grid {display:flex;align-items:center;flex-wrap:wrap;gap:12px 24px}
.start-lab-grid a {display:inline-flex;align-items:center;gap:8px;padding:6px 0;font-size:var(--text-base);line-height:1.5;color:var(--text-color-kumo-default);text-decoration:none}
.start-lab-grid a:hover {color:var(--text-color-kumo-brand)}
.start-lab-grid .icon {width:14px;height:14px}
.start-host {display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:72px;padding:48px;border:1px solid var(--color-kumo-line);border-radius:18px;background:linear-gradient(115deg,color-mix(in srgb,var(--color-kumo-brand) 4%,var(--color-kumo-base)),var(--color-kumo-elevated));scroll-margin-top:32px}
.start-host-copy>p {font-size:var(--text-lg);line-height:1.7;color:var(--text-color-kumo-subtle);max-width:470px;margin:20px 0 26px}
.start-host-copy>.button {min-height:46px;padding:12px 18px;gap:14px}
.start-host-copy>.button .icon {width:16px;height:16px}
.start-host-access {display:block;font-size:var(--text-base);line-height:1.5;color:var(--text-color-kumo-subtle);margin-top:12px}
.start-host-steps {display:flex;flex-direction:column;justify-content:center;list-style:none;margin:0;padding:0}
.start-host-steps li {display:flex;gap:20px;padding:24px 0;border-bottom:1px solid var(--color-kumo-line)}
.start-host-steps li:first-child {padding-top:0}
.start-host-steps li:last-child {border:0;padding-bottom:0}
.start-host-steps li>span {padding-top:2px;font:var(--text-base)/1.5 var(--font-mono);color:var(--text-color-kumo-inactive)}
.start-host-steps h3 {font-size:18px;line-height:1.5;font-weight:500;letter-spacing:-.025em;margin:0 0 6px}
.start-host-steps p {font-size:var(--text-lg);line-height:1.65;color:var(--text-color-kumo-subtle);margin:0}
.start-questions {display:grid;grid-template-columns:1fr 2fr;gap:64px;padding:64px 0}
.start-questions h2 {font-size:28px;line-height:1.3;letter-spacing:-.04em;font-weight:450;margin:0}
.start-questions details {border-bottom:1px solid var(--color-kumo-line)}
.start-questions summary {position:relative;font-size:var(--text-lg);line-height:1.5;cursor:pointer;list-style:none;padding:18px 28px 18px 0}
.start-questions details:first-child summary {padding-top:4px}
.start-questions summary::-webkit-details-marker {display:none}
.start-questions summary::after {content:'+';position:absolute;right:0;font-size:20px;line-height:1.2;color:var(--text-color-kumo-subtle)}
.start-questions details[open] summary::after {content:'−'}
.start-questions details p {font-size:var(--text-lg);line-height:1.7;color:var(--text-color-kumo-subtle);margin:0 24px 18px 0;max-width:640px}
.start-footer {display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0 32px;border-top:1px solid var(--color-kumo-line);font-size:var(--text-base);line-height:1.5;color:var(--text-color-kumo-subtle)}
.start-footer a {display:inline-flex;align-items:center;gap:8px;white-space:nowrap;color:var(--text-color-kumo-default);text-decoration:none}
.start-footer .icon {width:16px;height:16px}
.join-glow {position:absolute;inset:0 0 auto;height:880px;z-index:-1;pointer-events:none;background:radial-gradient(ellipse 60% 55% at 72% 20%,color-mix(in srgb,var(--color-kumo-brand) 6%,transparent),transparent 80%)}
.join-terrain {position:absolute;z-index:-1;width:120%;height:800px;left:-10%;top:180px;transform:perspective(1000px) rotateX(55deg);transform-origin:50% 0;mask-image:linear-gradient(transparent,#000 35%,#000 55%,transparent);pointer-events:none;opacity:.35}
.join-terrain svg {width:100%;height:100%;overflow:visible}
#joinOctagons path {fill:none;stroke:var(--color-kumo-line);stroke-width:1}
[data-mode=dark] .join-terrain {opacity:.25}
[data-mode=dark] .join-card {box-shadow:0 30px 100px -35px #00000088,0 4px 12px #00000022}
@keyframes entry-card-in {from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1100px) {
  .start-header {gap:28px}
  .start-hero {gap:40px;grid-template-columns:minmax(0,1fr) 370px;padding-top:56px}
  .join h1 {font-size:clamp(2.75rem,4.8vw,3.6rem)}
  .join-intro>p:not(.start-eyebrow) {font-size:var(--text-lg)}
  .start-actions {align-items:flex-start;flex-direction:column}
  .start-host {padding:36px;gap:40px}
  .start-possibilities {gap:28px}
}
@media(max-width:820px) {
  .start-header nav {display:none}
  .start-main,.start-footer {width:calc(100% - 40px)}
  .start-header {padding:16px 20px;min-height:76px}
  .start-hero {grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;padding:48px 0 56px}
  .join h1 {font-size:clamp(2.25rem,5.5vw,3rem)}
  .join-card-heading {padding:24px 22px 0}
  .join-symbol {right:22px;top:24px;width:36px;height:36px}
  .join-entry {padding:22px}
  .join-products {gap:14px;padding:16px 10px}
  .join-products>span {gap:5px}
  .start-promises {gap:10px;flex-direction:column}
  .start-section-heading {align-items:flex-start}
  .start-section-heading>p {max-width:300px}
  .start-build-path {padding:24px;gap:24px}
  .start-build-marker {gap:8px}
  .start-workspace-tools {gap:16px 24px}
  .start-possibilities {gap:24px}
  .start-possibilities h3 {font-size:21px}
  .start-host {padding:28px;gap:28px}
  .start-host h2 {font-size:30px}
}
@media(max-width:640px) {
  .start-header {min-height:72px;gap:12px}
  .start-header .brand>span {display:none}
  .start-utilities {gap:8px}
  .start-utilities .button {padding:8px 10px}
  .start-utilities .button .icon {display:none}
  .start-utilities .start-join-shortcut {display:inline-flex}
  .start-utilities .start-host-shortcut {display:none}
  .start-hero {grid-template-columns:minmax(0,1fr);gap:32px;padding:36px 0 44px}
  .join-intro {max-width:520px}
  .join h1 {font-size:clamp(2.5rem,8.5vw,3.5rem)}
  .join-intro>p:not(.start-eyebrow) {margin-top:20px}
  .start-actions {gap:10px;margin-top:22px}
  .start-promises {flex-direction:row;gap:10px 18px;margin-top:20px}
  .join-card {width:100%;max-width:520px;justify-self:center}
  .join-card-heading {padding:24px 24px 0}
  .join-symbol {right:24px}
  .join-entry {padding:24px}
  .join-products {gap:24px}
  .start-section-heading {flex-direction:column;gap:18px}
  .start-section-heading>p {max-width:none}
  .start-included {padding:36px 0 40px}
  .start-workspace {margin-top:24px}
  .start-workspace-bar {padding:16px 20px;flex-direction:column;align-items:flex-start;gap:4px}
  .start-build-path {grid-template-columns:minmax(0,1fr);padding:24px;gap:28px}
  .start-build-path h3 {margin-top:16px}
  .start-workspace-tools {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px;padding:18px 20px}
  .start-possibilities {grid-template-columns:minmax(0,1fr);gap:28px;margin-top:28px}
  .start-possibilities article {display:grid;grid-template-columns:40px minmax(0,1fr);gap:0 16px}
  .start-possibilities article>[data-icon] {grid-row:1/4}
  .start-possibilities h3 {margin:0 0 8px}
  .start-possibilities p {max-width:none;margin-bottom:12px}
  .start-examples {align-items:flex-start;gap:12px;margin-top:28px}
  .start-examples>span {width:100%}
  .start-examples>.start-text-link {margin-left:0}
  .start-lab-grid {gap:8px 20px}
  .start-labs {padding:36px 0 40px}
  .start-labs .start-section-heading {gap:12px}
  .start-host {grid-template-columns:minmax(0,1fr);gap:36px;padding:26px 24px}
  .start-host h2 {font-size:30px}
  .start-host-steps li {gap:16px;padding:20px 0}
  .start-questions {grid-template-columns:minmax(0,1fr);gap:24px;padding:40px 0}
  .start-questions h2 {font-size:26px}
  .start-footer {flex-direction:column;align-items:flex-start;padding:24px 0;gap:16px}
}
@media(max-width:360px) {
  .start-header {padding:14px 16px}
  .start-main,.start-footer {width:calc(100% - 32px)}
  .start-header .brand {gap:6px}
  .join h1 {font-size:38px}
  .join-products {gap:16px}
}
@media(prefers-reduced-motion:reduce) {
  .join {scroll-behavior:auto}
  .join,.join * {animation:none!important;transition:none!important}
}