/* ============================================================
   NeumBox landing — components, layout, and demo styles.
   All values come from tokens.css; state styles key off ARIA
   attributes (aria-pressed / aria-current / aria-selected).
   ============================================================ */

/* ---------- Base ---------- */
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--surface-page); color: var(--text-primary); }
a { color: var(--text-primary); text-decoration: none; }
a:hover { color: var(--text-primary); text-decoration: underline; text-underline-offset: .18em; }
[data-inverse] :focus-visible { outline-color: #fff; }
[hidden] { display: none !important; }
summary::-webkit-details-marker { display: none; }

@keyframes rdRise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.rise { animation: rdRise var(--duration-base) var(--ease-out); }

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

.page { overflow-x: clip; min-height: 100vh; background: var(--surface-page); }
.container { max-width: var(--container-max); margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.mono { font-family: var(--font-mono); }
.label { font-size: 12px; font-weight: 600; color: var(--text-tertiary); }
.skip-link { position: absolute; left: 16px; top: -100px; z-index: 100; padding: 10px 16px; background: var(--gray-950); color: var(--white); border-radius: var(--radius-pill); font-size: 14px; }
.skip-link:focus { top: 12px; color: var(--white); }

/* ---------- Button ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 18px;
  font-family: var(--font-sans); font-size: var(--text-body); font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-normal); line-height: 1; white-space: nowrap;
  border: 1px solid transparent; border-radius: var(--radius-pill); cursor: pointer;
  transition: background var(--duration-fast) var(--ease-standard), transform var(--duration-instant) var(--ease-standard), border-color var(--duration-fast);
}
.btn:hover { text-decoration: none; }
.btn:active:not(:disabled) { transform: scale(.98); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn--sm { height: 34px; padding: 0 14px; font-size: var(--text-body-sm); gap: 6px; }
.btn--lg { height: 52px; padding: 0 26px; font-size: var(--text-body-lg); gap: 9px; }
.btn--full { width: 100%; }
.btn--tall { height: auto; min-height: 44px; }
.btn--primary { background: var(--action-primary); color: var(--action-on-primary); border-color: var(--action-primary); }
.btn--primary:hover:not(:disabled) { background: var(--action-primary-hover); color: var(--action-on-primary); }
.btn--secondary { background: var(--surface-card); color: var(--text-primary); border-color: var(--border-strong); }
.btn--secondary:hover:not(:disabled) { background: var(--surface-subtle); color: var(--text-primary); }
.btn--ghost { background: transparent; color: var(--text-primary); }
.btn--ghost:hover:not(:disabled) { background: var(--surface-hover); color: var(--text-primary); }
.btn--inverse { background: var(--white); color: var(--gray-950); border-color: var(--white); }
.btn--inverse:hover:not(:disabled) { background: var(--gray-100); color: var(--gray-950); }

/* ---------- IconButton ---------- */
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 40px; height: 40px; padding: 0;
  background: transparent; color: var(--text-secondary); border: 1px solid transparent;
  border-radius: var(--radius-md); cursor: pointer;
  transition: background var(--duration-fast), color var(--duration-fast);
}
.icon-btn:hover { background: var(--surface-hover); color: var(--text-primary); }
.icon-btn--lg { width: 48px; height: 48px; }
.icon-btn--round { border-radius: var(--radius-circle); }
.icon-btn--solid { background: var(--action-primary); color: var(--action-on-primary); border-color: var(--action-primary); }
.icon-btn--solid:hover { background: var(--action-primary-hover); color: var(--action-on-primary); }

/* ---------- Badge ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px;
  border: 1px solid var(--border-default); border-radius: var(--radius-pill);
  background: var(--surface-sunken); color: var(--text-secondary);
  font-size: var(--text-caption); font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-normal); line-height: 1.4; white-space: nowrap;
}
.badge__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge--solid { background: var(--gray-950); color: var(--white); border-color: var(--gray-950); }
.badge--success { background: var(--success-bg); color: var(--success-fg); border-color: transparent; }
.badge--warning { background: var(--warning-bg); color: var(--warning-fg); border-color: transparent; }
.badge--info { background: var(--info-bg); color: var(--info-fg); border-color: transparent; }
.badge--danger { background: var(--danger-bg); color: var(--danger-fg); border-color: transparent; }
.badge--dashed { background: transparent; border-style: dashed; }
.badge--sm { font-size: 11px; padding: 2px 8px; }
.badge--xs { font-size: 10.5px; padding: 1px 7px; }

/* ---------- Avatar ---------- */
.avatar {
  display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 40px; height: 40px; border-radius: var(--radius-circle);
  background: var(--gray-950); color: var(--white);
  font-family: var(--font-sans); font-size: 15.2px; font-weight: var(--weight-semibold);
  letter-spacing: 0; overflow: hidden; user-select: none;
}
.avatar--xs { width: 24px; height: 24px; font-size: 9.12px; }
.avatar--sm { width: 32px; height: 32px; font-size: 12.16px; }
.avatar--square { border-radius: var(--radius-md); }
.avatar-stack { display: flex; }
.avatar-stack > .avatar,
.avatar-stack > .avatar-stack__item { margin-left: -4px; box-shadow: 0 0 0 2px var(--surface-card); border-radius: 50%; }
.avatar-stack > :first-child { margin-left: 0; }
.avatar-stack__item { display: inline-flex; }

/* ---------- Card ---------- */
.card { background: var(--surface-card); border: 1px solid var(--border-default); border-radius: var(--radius-lg); padding: var(--space-6); }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border-default); }
.tabs__tab {
  position: relative; margin-bottom: -1px; padding: 10px 14px;
  background: transparent; border: none; border-bottom: 2px solid transparent;
  color: var(--text-tertiary); font-family: var(--font-sans); font-size: var(--text-body); font-weight: var(--weight-regular);
  cursor: pointer; white-space: nowrap;
  transition: color var(--duration-fast), border-color var(--duration-fast);
}
.tabs__tab:hover { color: var(--text-primary); }
.tabs__tab[aria-selected="true"] { border-bottom-color: var(--gray-950); color: var(--text-primary); font-weight: var(--weight-medium); }
.tabs--fit { min-width: max-content; }
.tabs--flush { border-bottom: none; overflow-x: auto; }

/* ---------- Select ---------- */
.select { position: relative; display: inline-flex; width: 100%; }
.select select {
  appearance: none; -webkit-appearance: none; width: 100%; height: 44px; padding: 0 38px 0 14px;
  background: var(--surface-card); border: 1px solid var(--border-strong); border-radius: var(--radius-md);
  font-family: var(--font-sans); font-size: var(--text-body); color: var(--text-primary); cursor: pointer; outline: none;
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}
.select select:focus { border-color: var(--gray-950); box-shadow: 0 0 0 3px rgba(13,13,12,.08); }
.select--sm select { height: 36px; font-size: var(--text-body-sm); }
.select__caret { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); pointer-events: none; color: var(--text-tertiary); font-size: 12px; }

/* Step-hint ring that pulls the eye to the next action in the demo */
.hint { display: inline-flex; border-radius: var(--radius-pill); transition: box-shadow var(--duration-base); }
.hint--block { display: flex; }
.hint.is-on { box-shadow: 0 0 0 4px rgba(13,13,12,.12); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}
.site-header__bar { height: 64px; display: flex; align-items: center; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; flex: none; min-height: 44px; color: var(--text-primary); }
.brand:hover { text-decoration: none; }
.brand__mark { width: 20px; height: 20px; border-radius: 50%; background: var(--point); box-shadow: inset 0 -5px 0 0 var(--gray-700); }
.brand__name { font-size: 20px; font-weight: 600; letter-spacing: -.035em; }
.site-nav { display: flex; gap: 2px; flex: 1; margin-left: 8px; }
.site-nav a {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 12px;
  font-size: 14px; color: var(--text-secondary); border-radius: var(--radius-md);
  transition: background var(--duration-fast), color var(--duration-fast);
}
.site-nav a:hover { background: var(--surface-hover); color: var(--text-primary); text-decoration: none; }


.site-header__menu .icon-close { display: none; }
.site-header__menu[aria-expanded="true"] .icon-close { display: block; }
.site-header__menu[aria-expanded="true"] .icon-menu { display: none; }

.mobile-menu { border-top: 1px solid var(--border-subtle); background: var(--surface-page); padding: 8px 24px 24px; animation: rdRise var(--duration-base) var(--ease-out); }
.mobile-menu nav { display: flex; flex-direction: column; }
.mobile-menu nav a { display: flex; align-items: center; min-height: 52px; font-size: 17px; border-bottom: 1px solid var(--border-subtle); }
.mobile-menu nav a:hover { text-decoration: none; }
.mobile-menu__cta { margin-top: 20px; }

@media (min-width: 860px) {
  .site-header__menu, .mobile-menu { display: none !important; }
}
@media (max-width: 859.98px) {
  .site-nav, .site-header__cta { display: none; }
  .site-header__menu { margin-left: auto; }
}

/* ---------- Shared section type ---------- */
.section { border-top: 1px solid var(--border-default); scroll-margin-top: 64px; }
.section__inner { max-width: var(--container-max); margin: 0 auto; padding: clamp(80px,10vw,128px) 24px; }
.section-head { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%,420px), 1fr)); gap: 20px 64px; align-items: end; }
.display { font-size: clamp(34px,4.6vw,56px); line-height: 1.04; letter-spacing: -.035em; }
.lead { font-size: clamp(17px,1.5vw,19px); color: var(--text-secondary); max-width: 34em; }
.lead--narrow { max-width: 30em; }
.footnote { margin-top: 20px; font-size: 13.5px; color: var(--text-tertiary); max-width: 640px; }
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%,440px), 1fr)); gap: 48px 72px; align-items: center; }
.split__copy { display: flex; flex-direction: column; align-items: flex-start; gap: 20px; }
.panel { border: 1px solid var(--border-default); border-radius: var(--radius-xl); background: var(--surface-card); }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(56px,9vw,120px); padding-bottom: clamp(40px,6vw,64px); scroll-margin-top: 64px; }
.hero__title { font-size: clamp(46px,8.2vw,92px); line-height: .98; letter-spacing: -.045em; font-weight: 600; max-width: 10.5ch; }
.hero__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%,340px), 1fr)); gap: 40px 72px; margin-top: 44px; align-items: end; }
.hero__lead { font-size: clamp(17px,1.7vw,20px); line-height: 1.5; color: var(--text-secondary); max-width: 32em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero__list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--border-default); }
.hero__list li {
  display: flex; align-items: center; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--border-default);
  font-size: clamp(17px,1.6vw,20px); font-weight: 500; letter-spacing: -.01em;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--point); flex: none; }

/* ---------- Demo section shell ---------- */
.demo { padding-bottom: clamp(88px,11vw,136px); scroll-margin-top: 72px; }
.demo__title { font-size: var(--text-heading-md); letter-spacing: -.02em; }
.demo__fallback { margin-top: 20px; padding: 40px 24px; border: 1px solid var(--border-default); border-radius: var(--radius-xl); color: var(--text-secondary); font-size: 14.5px; text-align: center; }
.demo-scenarios { margin-top: 20px; overflow-x: auto; }
.demo-controls { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 24px; padding: 18px 0 14px; }
.demo-controls__desc { flex: 1 1 380px; min-width: 0; max-width: 640px; font-size: 14.5px; color: var(--text-secondary); }
.demo-controls__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.demo-controls__step { margin-right: 4px; font-family: var(--font-mono); font-size: 12px; color: var(--text-tertiary); }

.steps { list-style: none; margin: 0 0 16px; padding: 0 0 4px; display: flex; gap: 6px; overflow-x: auto; }
.step {
  flex: none; display: flex; align-items: center; gap: 8px; padding: 5px 12px 5px 5px;
  border: 1px solid var(--border-default); border-radius: var(--radius-pill); background: var(--surface-card);
  font-size: 12.5px; color: var(--text-tertiary);
  transition: background var(--duration-base), border-color var(--duration-base);
}
.step__num {
  width: 20px; height: 20px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-strong); background: transparent; color: var(--text-tertiary);
  font-family: var(--font-mono); font-size: 10.5px;
}
.step.is-done { background: var(--surface-sunken); color: var(--text-primary); }
.step.is-done .step__num { background: var(--gray-950); border-color: var(--gray-950); color: var(--white); }
.step[aria-current="step"] { border-color: var(--gray-950); color: var(--text-primary); }
.step[aria-current="step"] .step__num { border-color: var(--gray-950); color: var(--text-primary); }

.demo-frame { position: relative; border: 1px solid var(--border-default); border-radius: var(--radius-xl); background: var(--surface-card); overflow: hidden; }

/* ---------- Demo: workspace dashboard ---------- */
.dash-top { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; min-height: 60px; padding: 8px 12px 8px 16px; border-bottom: 1px solid var(--border-default); }
.dash-top__title { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.dash-top__name { font-size: 16px; font-weight: 600; letter-spacing: -.01em; }
.dash-top__desc { font-size: 13px; color: var(--text-tertiary); }
.dash-top__select { flex: 1 1 180px; min-width: 0; }
.dash-top__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.dash-members { display: flex; align-items: center; gap: 8px; }
.dash-members__label { font-size: 12.5px; color: var(--text-tertiary); }

.dash-body { position: relative; display: flex; min-height: 0; }
.dash-body--fixed { height: 600px; }

.ws-nav { width: 192px; flex: none; display: flex; flex-direction: column; gap: 2px; padding: 14px 10px; background: var(--surface-subtle); border-right: 1px solid var(--border-default); overflow-y: auto; }
.ws-nav__label { padding: 4px 10px 8px; }
.ws-item {
  display: flex; flex-direction: column; align-items: flex-start; gap: 1px; width: 100%; min-height: 48px; padding: 7px 10px;
  border: none; border-radius: var(--radius-md); background: transparent; text-align: left; cursor: pointer;
  font-family: var(--font-sans); color: var(--text-primary);
}
.ws-item:hover { background: var(--surface-hover); }
.ws-item[aria-current="true"] { background: var(--surface-active); }
.ws-item__name { font-size: 14px; }
.ws-item[aria-current="true"] .ws-item__name { font-weight: 600; }
.ws-item__meta { font-size: 11.5px; color: var(--text-tertiary); }

.agents { width: 232px; flex: none; display: flex; flex-direction: column; min-height: 0; border-right: 1px solid var(--border-default); }
.agents__head { display: flex; align-items: baseline; justify-content: space-between; padding: 16px 16px 8px; }
.agents__count { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-tertiary); }
.agents__list { flex: 1; display: flex; flex-direction: column; gap: 2px; padding: 0 8px; overflow-y: auto; }
.agents__foot { padding: 12px; border-top: 1px solid var(--border-subtle); }
.agent-row {
  display: flex; align-items: center; gap: 10px; width: 100%; min-height: 56px; padding: 8px;
  border: none; border-radius: var(--radius-md); background: transparent; text-align: left; cursor: pointer;
  font-family: var(--font-sans); color: var(--text-primary);
}
.agent-row:hover { background: var(--surface-hover); }
.agent-row[aria-pressed="true"] { background: var(--surface-active); }
.agent-row__text { display: flex; flex-direction: column; gap: 3px; min-width: 0; flex: 1; }
.agent-row__name { font-size: 14px; font-weight: 500; }
.agent-row__runner { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); }

.chips { display: flex; gap: 6px; padding: 12px 12px 4px; overflow-x: auto; }
.chip {
  flex: none; display: flex; align-items: center; gap: 8px; min-height: 44px; padding: 4px 12px 4px 4px;
  border: 1px solid var(--border-default); border-radius: var(--radius-pill); background: var(--surface-card); cursor: pointer;
  font-family: var(--font-sans); color: var(--text-primary);
}
.chip[aria-pressed="true"] { border-color: var(--gray-950); }
.chip__name { font-size: 13.5px; font-weight: 500; }
.chip__status { font-size: 11.5px; color: var(--text-tertiary); }

.dash-main { flex: 1; min-width: 0; display: flex; flex-direction: column; min-height: 0; }
.agent-head { display: flex; align-items: flex-start; gap: 14px; padding: 16px 20px 14px; border-bottom: 1px solid var(--border-subtle); }
.agent-head__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.agent-head__line { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.agent-head__name { font-size: 16px; font-weight: 600; }
.agent-head__runner { font-family: var(--font-mono); font-size: 12px; color: var(--text-secondary); }
.agent-head__role { font-size: 13.5px; color: var(--text-secondary); }
.agent-head__meta { display: flex; flex-wrap: wrap; gap: 2px 18px; font-size: 12px; color: var(--text-tertiary); }
.agent-head__key { color: var(--text-secondary); font-weight: 500; }
.agent-head__tag { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); white-space: nowrap; }
.agent-tabs { padding: 0 12px; }

.feed { flex: 1; min-height: 0; overflow-y: auto; padding: 20px; border-top: 1px solid var(--border-default); }
.feed--capped { max-height: 440px; }
.empty { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; min-height: 220px; text-align: center; }
.empty p { font-size: 14px; color: var(--text-secondary); max-width: 320px; }
.empty__point { width: 28px; height: 28px; border-radius: 50%; background: var(--point); }

.chat { display: flex; flex-direction: column; gap: 18px; max-width: 680px; }
.msg-system { display: flex; justify-content: center; }
.msg-system span { padding: 5px 12px; font-size: 12.5px; color: var(--text-secondary); text-align: center; background: var(--surface-subtle); border: 1px solid var(--border-subtle); border-radius: var(--radius-pill); }
.msg { display: flex; gap: 12px; }
.msg__body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.msg__head { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; font-size: 13px; }
.msg__from { font-weight: 600; }
.msg__arrow { color: var(--text-tertiary); }
.msg__to { font-family: var(--font-mono); font-size: 12px; }
.msg__runner { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-tertiary); }
.msg__text { font-size: 15px; line-height: 1.5; }
.msg__text--agent { padding: 10px 14px; background: var(--surface-sunken); border-radius: var(--radius-lg); }

.stack { display: flex; flex-direction: column; gap: 14px; }
.box { border: 1px solid var(--border-default); border-radius: var(--radius-lg); overflow: hidden; }
.box__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; padding: 12px 14px; border-bottom: 1px solid var(--border-subtle); }
.box__titles { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.box__title { font-size: 14.5px; font-weight: 600; }
.box__meta { font-size: 12.5px; color: var(--text-tertiary); }
.log { list-style: none; margin: 0; padding: 10px 14px 12px; display: flex; flex-direction: column; gap: 4px; font-family: var(--font-mono); font-size: 12px; background: var(--surface-subtle); }
.log li { display: grid; grid-template-columns: 56px minmax(0,1fr); gap: 8px; }
.log--tight li { grid-template-columns: 52px minmax(0,1fr); }
.log__tag { color: var(--text-tertiary); }

.result { display: flex; flex-direction: column; gap: 10px; padding: 14px 16px; border: 1px solid var(--border-default); border-radius: var(--radius-lg); }
.result__head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; }
.result__files { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.result__files li { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-top: 1px solid var(--border-subtle); font-family: var(--font-mono); font-size: 12px; }
.result__files li span:first-child { min-width: 0; overflow-wrap: anywhere; }
.result__files li span:last-child { flex: none; color: var(--text-secondary); }
.result__notes { margin: 0; padding: 0 0 0 18px; display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
.result__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; font-size: 12.5px; color: var(--text-tertiary); }

.composer-bar { padding: 12px 16px 14px; border-top: 1px solid var(--border-subtle); }
.composer { display: flex; align-items: center; gap: 10px; padding: 6px 6px 6px 10px; border: 1px solid var(--gray-950); border-radius: var(--radius-2xl); transition: box-shadow var(--duration-base); }
.composer.is-on { box-shadow: 0 0 0 4px rgba(13,13,12,.12); }
.composer__body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 1px; }
.composer__meta { font-size: 11.5px; color: var(--text-tertiary); }
.composer__text { font-size: 14.5px; overflow-wrap: anywhere; }
.composer--idle { min-height: 48px; padding: 0 16px; border-color: var(--border-default); background: var(--surface-subtle); font-size: 14px; color: var(--text-tertiary); }

/* Coordination panel: a sidebar when wide, a full overlay sheet when compact */
.aux { overflow-y: auto; }
.aux--side { width: 276px; flex: none; border-left: 1px solid var(--border-default); background: var(--surface-subtle); }
.aux--sheet { position: absolute; inset: 0; z-index: 6; background: var(--surface-card); box-shadow: var(--shadow-xl); }
.aux__inner { padding: 16px; display: flex; flex-direction: column; gap: 22px; }
.aux__head { display: flex; align-items: center; justify-content: space-between; }
.aux__title { font-size: 16px; font-weight: 600; }
.aux__group { display: flex; flex-direction: column; gap: 8px; }
.aux__group--tight { gap: 6px; }
.aux__empty { font-size: 13px; color: var(--text-tertiary); }
.aux__note { font-size: 12px; color: var(--text-tertiary); }
.tile { display: flex; flex-direction: column; gap: 8px; padding: 12px; background: var(--surface-card); border: 1px solid var(--border-default); border-radius: var(--radius-md); }
.tile--tight { gap: 6px; }
.tile__title { font-size: 14px; font-weight: 600; }
.tile__title--sm { font-size: 13.5px; }
.tile__meta { font-size: 12.5px; color: var(--text-secondary); }
.tile__meta b { font-weight: 600; color: var(--text-primary); }
.tile__text { font-size: 13.5px; }
.tile__row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.member { display: flex; align-items: center; gap: 10px; min-height: 36px; font-size: 13.5px; }
.member--lg { min-height: 40px; font-size: 14px; }
.member__name { flex: 1; }

/* Drawers (share / create) */
.drawer { position: absolute; top: 0; right: 0; bottom: 0; z-index: 7; width: 400px; max-width: 100%; overflow-y: auto; background: var(--surface-card); border-left: 1px solid var(--border-default); box-shadow: var(--shadow-xl); animation: rdRise var(--duration-base) var(--ease-out); }
.drawer--full { width: 100%; }
.drawer--flex { display: flex; flex-direction: column; overflow: hidden; }
.drawer__inner { padding: 18px 20px 24px; display: flex; flex-direction: column; gap: 20px; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.drawer__head--bar { align-items: flex-start; padding: 18px 20px 12px; border-bottom: 1px solid var(--border-subtle); }
.drawer__titles { display: flex; flex-direction: column; gap: 4px; }
.drawer__title { font-size: 18px; }
.drawer__sub { font-size: 13px; color: var(--text-secondary); }
.drawer__scroll { flex: 1; overflow-y: auto; padding: 16px 20px 20px; display: flex; flex-direction: column; gap: 22px; }
.drawer__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--border-default); }
.drawer__foot-note { flex: 1 1 180px; font-size: 12px; color: var(--text-tertiary); }
.notice { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border: 1px solid var(--border-default); border-radius: var(--radius-md); background: var(--surface-subtle); }
.notice svg { flex: none; margin-top: 2px; }
.notice__body { display: flex; flex-direction: column; gap: 2px; }
.notice__title { font-size: 14px; font-weight: 600; }
.notice__text { font-size: 13px; color: var(--text-secondary); }
.invite { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 4px; padding: 10px 12px; border: 1px dashed var(--border-strong); border-radius: var(--radius-md); }
.invite__text { flex: 1 1 160px; display: flex; flex-direction: column; gap: 1px; }
.invite__name { font-size: 14px; font-weight: 500; }
.invite__role { font-size: 12.5px; color: var(--text-tertiary); }
.role-list { margin: 0; display: flex; flex-direction: column; gap: 10px; }
.role-row { display: grid; grid-template-columns: 76px minmax(0,1fr); gap: 10px; font-size: 13px; }
.role-row dt { font-weight: 600; }
.role-row dd { margin: 0; color: var(--text-secondary); }
.drawer__fine { padding-top: 14px; border-top: 1px solid var(--border-subtle); font-size: 13px; color: var(--text-secondary); }
.drawer__mono { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-tertiary); }

.fieldset { border: none; margin: 0; padding: 6px; display: flex; flex-direction: column; gap: 10px; }
.fieldset--loose { gap: 14px; }
.fieldset legend { padding: 0 0 8px; font-size: 13px; font-weight: 600; }
.field-label { font-size: 12.5px; color: var(--text-tertiary); }
.field-group { display: flex; flex-direction: column; gap: 8px; }
.wrap-row { display: flex; flex-wrap: wrap; gap: 6px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; }
.kv { display: grid; grid-template-columns: 64px minmax(0,1fr); gap: 8px; align-items: baseline; font-size: 13.5px; }
.kv span:first-child { color: var(--text-tertiary); }
.kv span:last-child { font-weight: 500; }

/* Selectable options: pressed state is the single source of visual truth */
.choice {
  display: flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 12px;
  border: 1px solid var(--border-default); border-radius: var(--radius-md); background: var(--surface-card);
  font-family: var(--font-sans); font-size: 13px; color: var(--text-primary); text-align: left; cursor: pointer;
  transition: border-color var(--duration-fast);
}
.choice:hover { border-color: var(--border-strong); }
.choice[aria-pressed="true"] { border-color: var(--gray-950); background: var(--surface-subtle); }
.choice--check[aria-pressed="true"] { background: var(--surface-card); }
.choice--card { flex-direction: column; align-items: flex-start; justify-content: center; gap: 6px; min-height: 64px; padding: 10px 12px; font-size: 14px; font-weight: 600; }
.choice--pill { border-radius: var(--radius-pill); padding: 0 14px; font-size: 13.5px; }
.choice--row { justify-content: space-between; gap: 12px; min-height: 48px; padding: 8px 12px; }
.choice__name { font-size: 14px; font-weight: 500; }
.choice__desc { font-size: 12.5px; color: var(--text-tertiary); }
.check { flex: none; width: 14px; height: 14px; border-radius: 4px; border: 1.5px solid var(--border-strong); background: var(--surface-card); }
[aria-pressed="true"] > .check { border-color: var(--gray-950); background: var(--gray-950); }

/* ---------- Demo: local → cloud handoff ---------- */
.local-top { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; min-height: 60px; padding: 8px 16px; border-bottom: 1px solid var(--border-default); }
.local-grid { display: grid; grid-template-columns: minmax(0,1fr); gap: 16px; padding: 16px; background: var(--surface-subtle); align-items: start; }
.local-grid--wide { grid-template-columns: minmax(0,.95fr) minmax(0,1.25fr) 280px; }
.local-col { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.local-col--cloud { gap: 12px; }
.local-col--phone { align-items: center; }
.local-col__head { display: flex; align-items: center; justify-content: space-between; gap: 8px; align-self: stretch; }
.local-note { font-size: 13px; color: var(--text-secondary); }
.terminal {
  padding: 14px 16px; border-radius: var(--radius-lg); background: var(--gray-950); color: var(--white);
  font-family: var(--font-mono); font-size: 12.5px; line-height: 1.6;
  transition: opacity var(--duration-slow) var(--ease-out);
}
.terminal.is-off { opacity: .45; }
.terminal__dim { color: var(--gray-400); }
.terminal__gap { margin-top: 10px; }
.sheet { display: flex; flex-direction: column; gap: 12px; padding: 14px 16px; background: var(--surface-card); border: 1px solid var(--border-default); border-radius: var(--radius-lg); }
.sheet--tight { gap: 8px; }
.sheet--flush { padding: 0; gap: 0; overflow: hidden; }
.sheet__title { font-size: 14px; font-weight: 600; }
.sheet__bar { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--border-subtle); }
.sheet__bar span:first-child { font-size: 13.5px; font-weight: 600; }
.sheet__bar span:last-child { font-size: 12px; color: var(--text-tertiary); }
.sheet__note { font-size: 12.5px; color: var(--text-tertiary); }
.segmented { display: inline-flex; align-self: flex-start; gap: 2px; padding: 3px; border: 1px solid var(--border-default); border-radius: var(--radius-pill); }
.segmented button {
  min-height: 36px; padding: 0 14px; border: none; border-radius: var(--radius-pill); background: transparent;
  color: var(--text-secondary); font-family: var(--font-sans); font-size: 13px; font-weight: 500; cursor: pointer;
  transition: background var(--duration-fast);
}
.segmented button:hover { color: var(--text-primary); }
.segmented button[aria-pressed="true"] { background: var(--gray-950); color: var(--white); }
.route { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.route li { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--text-secondary); }
.route__num {
  flex: none; width: 18px; height: 18px; margin-top: 1px; border-radius: 50%; border: 1px solid var(--border-strong);
  display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 10px; color: var(--text-tertiary);
}
.route li.is-done { color: var(--text-primary); }
.route li.is-done .route__num { background: var(--gray-950); color: var(--white); }
.handoff-item {
  display: flex; align-items: center; gap: 10px; min-height: 44px; padding: 4px 0;
  border: none; border-top: 1px solid var(--border-subtle); background: transparent; text-align: left; cursor: pointer;
  font-family: var(--font-sans); color: var(--text-primary);
}
.handoff-item[aria-disabled="true"] { cursor: default; }
.handoff-item .check { width: 16px; height: 16px; }
.handoff-item__text { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.handoff-item__label { font-size: 13.5px; }
.handoff-item__meta { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-tertiary); }
.handoff-item__state { font-size: 12px; color: var(--text-tertiary); }

.phone { width: 100%; max-width: 280px; height: 500px; display: flex; padding: 10px; border: 1px solid var(--border-strong); border-radius: 36px; background: var(--surface-card); }
.phone__screen { flex: 1; min-width: 0; display: flex; flex-direction: column; overflow: hidden; border-radius: 28px; background: var(--surface-subtle); }
.phone__center { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 20px; text-align: center; }
.phone__idle-dot { width: 22px; height: 22px; border-radius: 50%; background: var(--gray-300); }
.phone__muted { font-size: 13px; color: var(--text-tertiary); }
.phone__closed-title { font-size: 14px; font-weight: 600; }
.phone__closed-text { font-size: 12.5px; color: var(--text-secondary); }
.phone__live { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.phone__head { padding: 16px 14px 10px; background: var(--surface-card); border-bottom: 1px solid var(--border-subtle); }
.phone__title { font-size: 14px; font-weight: 600; }
.phone__sub { display: flex; align-items: center; gap: 6px; margin-top: 4px; font-size: 12px; color: var(--text-secondary); }
.phone__feed { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; padding: 12px; }
.phone__label { font-size: 11.5px; font-weight: 600; color: var(--text-tertiary); }
.phone__log { padding: 8px 10px; background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); font-family: var(--font-mono); font-size: 11px; }
.phone__bubble { align-self: flex-end; max-width: 90%; padding: 8px 12px; background: var(--gray-950); color: var(--white); border-radius: 16px 16px 4px 16px; font-size: 12.5px; line-height: 1.45; }
.phone__by { align-self: flex-end; font-size: 10.5px; color: var(--text-tertiary); }
.phone__input-wrap { padding: 10px; border-top: 1px solid var(--border-subtle); background: var(--surface-card); }
.phone__input { min-height: 36px; display: flex; align-items: center; padding: 0 12px; border: 1px solid var(--border-default); border-radius: 18px; font-size: 12px; color: var(--text-tertiary); }

/* ---------- Product: workspace cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%,300px), 1fr)); gap: 16px; margin-top: 56px; }
.cards--wide { grid-template-columns: repeat(auto-fit, minmax(min(100%,380px), 1fr)); }
.ws-card { display: flex; flex-direction: column; gap: 18px; }
.ws-card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.ws-card__name { font-size: 19px; font-weight: 600; letter-spacing: -.015em; }
.ws-card__desc { margin-top: 2px; font-size: 13.5px; color: var(--text-tertiary); }
.ws-card__people { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--text-secondary); }
.ws-card__group { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.ws-card__files { font-family: var(--font-mono); font-size: 12.5px; color: var(--text-secondary); }

/* ---------- Agents list ---------- */
.agent-list { list-style: none; margin: 56px 0 0; padding: 0; border-top: 1px solid var(--border-strong); }
.agent-list li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 24px; padding: 22px 0; border-bottom: 1px solid var(--border-default); }
.agent-list__name { flex: 1 1 220px; font-size: clamp(20px,2vw,24px); font-weight: 600; letter-spacing: -.02em; }
.agent-list__name--muted { color: var(--text-secondary); }
.agent-list__stage { flex: 0 0 190px; }
.agent-list__desc { flex: 2 1 320px; font-size: 15.5px; color: var(--text-secondary); }

/* ---------- Create ---------- */
.role-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; width: 100%; max-width: 480px; margin-top: 4px; }
.role-grid div { padding: 14px; border: 1px solid var(--border-default); border-radius: var(--radius-md); font-size: 15px; font-weight: 500; }
.caption { font-size: 13px; color: var(--text-tertiary); }
.spec { overflow: hidden; }
.spec__head { display: flex; align-items: center; gap: 12px; padding: 18px 20px; border-bottom: 1px solid var(--border-subtle); }
.spec__who { flex: 1; min-width: 0; }
.spec__name { font-size: 16px; font-weight: 600; }
.spec__sub { font-size: 12.5px; color: var(--text-tertiary); }
.spec__list { margin: 0; padding: 6px 20px 14px; display: grid; grid-template-columns: minmax(96px,auto) minmax(0,1fr); font-size: 14px; }
.spec__list dt, .spec__list dd { margin: 0; padding: 12px 0; border-bottom: 1px solid var(--border-subtle); }
.spec__list dt { color: var(--text-tertiary); }
.spec__list dt:last-of-type, .spec__list dd:last-of-type { border-bottom: none; }

/* ---------- Collaboration ---------- */
.roles { margin: 4px 0 0; width: 100%; max-width: 480px; display: grid; grid-template-columns: 88px minmax(0,1fr); font-size: 14px; border-top: 1px solid var(--border-default); }
.roles dt, .roles dd { margin: 0; padding: 12px 0; border-bottom: 1px solid var(--border-default); }
.roles dt { font-weight: 600; }
.roles dd { color: var(--text-secondary); }
.thread { padding: 20px; display: flex; flex-direction: column; gap: 16px; }
.thread__head { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 13px; font-weight: 600; }
.thread__msg { display: flex; gap: 12px; }
.thread__body { display: flex; flex-direction: column; gap: 4px; align-items: flex-start; }
.thread__who { font-size: 13px; }
.thread__who b { font-weight: 600; }
.thread__text { font-size: 15px; }
.approval { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding: 14px; border: 1px solid var(--border-default); border-radius: var(--radius-md); background: var(--surface-subtle); }
.approval__titles { display: flex; flex-direction: column; gap: 2px; }
.approval__title { font-size: 14px; font-weight: 600; }
.approval__meta { font-size: 12.5px; color: var(--text-tertiary); }

/* ---------- Cloud (inverse) ---------- */
.inverse { background: var(--gray-950); color: var(--white); scroll-margin-top: 64px; }
.inverse h2 { color: var(--white); }
.cloud__title { max-width: 16ch; }
.cloud__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%,420px), 1fr)); gap: 40px 72px; margin-top: 40px; align-items: start; }
.cloud__copy { display: flex; flex-direction: column; gap: 16px; }
.cloud__lead { font-size: clamp(17px,1.5vw,19px); color: var(--gray-300); max-width: 32em; }
.cloud__fine { font-size: 14px; color: var(--gray-400); max-width: 32em; }
.cloud__split { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%,200px), 1fr)); border: 1px solid var(--gray-800); border-radius: var(--radius-xl); overflow: hidden; }
.cloud__cell { display: flex; flex-direction: column; gap: 10px; padding: 24px; border-bottom: 1px solid var(--gray-800); }
.cloud__cell--alt { background: var(--gray-900); }
.cloud__k { font-family: var(--font-mono); font-size: 12px; color: var(--gray-400); }
.cloud__v { font-size: 20px; font-weight: 600; letter-spacing: -.015em; }
.cloud__d { font-size: 14px; color: var(--gray-400); }

/* ---------- Handoff ---------- */
.handoff { scroll-margin-top: 64px; }
.handoff__kicker { font-size: clamp(19px,1.8vw,22px); font-weight: 500; letter-spacing: -.01em; }
.handoff__copy { display: flex; flex-direction: column; gap: 12px; }
.route-card { display: flex; flex-direction: column; gap: 16px; }
.route-card__title { font-size: 20px; font-weight: 600; letter-spacing: -.015em; }
.route-card ol { margin: 0; padding: 0 0 0 20px; display: flex; flex-direction: column; gap: 8px; font-size: 15px; }
.route-card__note { padding-top: 12px; border-top: 1px solid var(--border-subtle); font-size: 13px; color: var(--text-tertiary); }
.handoff__cta { margin-top: 28px; }

/* ---------- Roadmap ---------- */
.roadmap__title { max-width: 18ch; }
.roadmap { list-style: none; margin: 56px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%,300px), 1fr)); gap: 0 32px; }
.roadmap > li { display: flex; flex-direction: column; gap: 14px; padding: 22px 0 28px; border-top: 2px solid var(--gray-950); }
.roadmap > li.is-next { border-top-color: var(--gray-500); }
.roadmap > li.is-later { border-top: 2px dashed var(--gray-400); }
.roadmap__stage { min-height: 24px; }
.roadmap h3 { font-size: 22px; letter-spacing: -.02em; }
.roadmap ul { margin: 0; padding: 0 0 0 18px; display: flex; flex-direction: column; gap: 6px; font-size: 15px; color: var(--text-secondary); }
.roadmap__note { margin-top: 12px; }

/* ---------- FAQ ---------- */
.faq { display: flex; flex-wrap: wrap; gap: 32px 72px; align-items: flex-start; }
.faq__title { flex: 1 1 260px; font-size: clamp(30px,3.6vw,44px); line-height: 1.06; letter-spacing: -.03em; }
.faq__groups { flex: 2.4 1 520px; min-width: 0; max-width: 760px; display: flex; flex-direction: column; gap: 40px; }
.faq__group-title { margin-bottom: 8px; font-size: 13px; font-weight: 600; color: var(--text-tertiary); }
.faq details { border-top: 1px solid var(--border-default); }
.faq details:last-child { border-bottom: 1px solid var(--border-default); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 56px; padding: 12px 0; font-size: 17px; font-weight: 500; }
.faq summary span { flex: none; font-size: 20px; font-weight: 300; color: var(--text-tertiary); transition: transform var(--duration-base) var(--ease-out); }
.faq details[open] > summary span { transform: rotate(45deg); }
.faq details p { padding: 0 0 20px; font-size: 15.5px; color: var(--text-secondary); max-width: 62ch; }

/* ---------- Closing CTA ---------- */
.cta { padding-bottom: clamp(72px,9vw,112px); }
.cta__panel { display: flex; flex-direction: column; align-items: center; gap: 16px; padding: clamp(48px,7vw,88px) clamp(24px,5vw,64px); background: var(--gray-950); border-radius: var(--radius-2xl); text-align: center; }
.cta__mark { width: 28px; height: 28px; border-radius: 50%; background: var(--white); box-shadow: inset 0 -7px 0 0 var(--gray-400); }
.cta__title { max-width: 18ch; margin-top: 8px; color: var(--white); font-size: clamp(32px,4.4vw,52px); line-height: 1.06; letter-spacing: -.035em; }
.cta__lead { max-width: 34em; color: var(--gray-300); font-size: clamp(16px,1.5vw,18px); }
.cta__action { margin-top: 12px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border-default); }
.site-footer__top { display: flex; flex-wrap: wrap; gap: 32px; justify-content: space-between; align-items: flex-start; padding-top: 56px; padding-bottom: 24px; }
.site-footer__brand { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; max-width: 360px; }
.site-footer__tagline { font-size: 15px; color: var(--text-secondary); }
.site-footer__nav { display: flex; flex-wrap: wrap; gap: 0 4px; }
.site-footer__nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 10px; font-size: 14px; color: var(--text-secondary); }
.site-footer__legal { padding-bottom: 40px; font-size: 12.5px; color: var(--text-tertiary); }