/* Лендинг для посетителя без входа и окно входа поверх него.
   Одна колонка: короткое объяснение, пример доски, как устроена работа. */

.landing { max-width: 1120px; margin: 0 auto; padding: 0 44px; font-family: 'Onest', var(--sans); }
.landing a { text-decoration: none; }
.landing a:not(.btn) { color: inherit; }

.landing-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 76px; }
.landing-brand { font-size: 19px; font-weight: 500; letter-spacing: -0.012em; color: var(--fg-strong); white-space: nowrap; }
.landing-auth { display: flex; gap: 10px; }

/* Language menu reuses .menu from menu.css and opens to the left, towards the page. */
.landing-language { position: relative; margin-left: auto; }
.landing-language summary {
  display: flex; align-items: center; gap: 8px; padding: 8px 4px;
  list-style: none; cursor: pointer; font-size: 14px; color: var(--muted);
}
.landing-language summary::-webkit-details-marker { display: none; }
.landing-language summary:hover, .landing-language[open] summary { color: var(--fg-strong); }
.landing-language summary svg { transition: transform .15s ease; }
.landing-language[open] summary svg { transform: rotate(180deg); }
.landing-language .menu { display: grid; left: auto; right: -8px; min-width: 200px; }
.landing-language .menu button {
  padding: 9px 10px; background: none; border: 0; border-radius: var(--radius);
  font: inherit; font-size: 14px; text-align: left; color: var(--fg-row); cursor: pointer;
}
.landing-language .menu button:hover { background: var(--hover); }
.landing-language .menu [aria-current] { color: var(--fg-strong); }
.landing-language .menu [aria-current]::before { content: '— '; color: var(--muted); }

.landing-intro { padding: 96px 0 64px; }
.landing-intro h1 {
  max-width: 18ch; margin: 0;
  font-size: 44px; font-weight: 400; line-height: 1.15; letter-spacing: -0.03em;
  color: var(--fg-strong); text-wrap: balance;
}
.landing-intro p { max-width: 56ch; margin: 20px 0 0; font-size: 17px; line-height: 1.65; color: var(--muted); }

/* Демо доски: настоящие классы board.css, только плотнее и без реакции на мышь. */

.landing-demo {
  border: 1px solid var(--field-border); border-radius: var(--radius);
  font-family: var(--sans); pointer-events: none; user-select: none;
}
.landing-demo .top { height: 64px; padding: 0 24px; }
.landing-demo .board { padding: 24px 24px 12px; }
.landing-demo .col--backlog { padding-right: 20px; }
.landing-demo .col--doing { padding: 0 20px; }
.landing-demo .col--done { padding-left: 20px; }
.landing-demo .col-body { min-height: 0; }

.landing-flow { margin-top: 160px; }
.landing-flow h2 {
  margin: 0; padding-top: 12px; border-top: 1px solid var(--rule-head);
  font-family: var(--mono); font-size: 11px; font-weight: 400;
  letter-spacing: .14em; text-transform: uppercase; color: var(--label);
}

/* Шаги идут столбиком: номер слева, текст справа, между шагами — воздух и тонкая линия. */
.landing-steps { max-width: 760px; margin: 56px 0 88px; padding: 0; list-style: none; counter-reset: step; }
.landing-steps li {
  display: grid; grid-template-columns: 72px minmax(0, 1fr); align-items: baseline;
  padding: 36px 0; border-top: 1px solid var(--rule);
  font-size: 18px; line-height: 1.65; color: var(--fg-row); counter-increment: step;
}
.landing-steps li:first-child { padding-top: 0; border-top: 0; }
.landing-steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono); font-size: 12px; color: var(--tick);
}

/* Промпт — текст для агента, поэтому моноширинный, как в буфере обмена. */
.landing-prompt {
  max-width: 760px; padding: 8px 36px; border: 1px solid var(--field-border); border-radius: var(--radius);
  font-family: var(--mono); font-size: 14px; line-height: 1.7;
}
.landing-prompt-part {
  display: flex; justify-content: space-between; align-items: baseline; gap: 24px;
  margin: 0; padding: 22px 0; color: var(--muted);
}
.landing-prompt-part + .landing-prompt-part { border-top: 1px solid var(--rule); }
.landing-prompt-part--auto { color: var(--fg-strong); }
.landing-prompt-label { flex-shrink: 0; font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--tick); }

.landing-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-top: 120px; padding: 28px 0 44px; border-top: 1px solid var(--rule-top);
  font-size: 14px; color: var(--muted);
}
.landing-foot > a:hover { color: var(--fg-strong); }

/* Окно входа: на весь экран, с той же шапкой, что у лендинга. */

.auth-overlay {
  width: 100%; height: 100%; max-width: none; max-height: none;
  margin: 0; padding: 0 44px; border: 0;
  background: var(--bg); color: var(--fg);
}
.auth-overlay[open] { display: flex; flex-direction: column; overflow-y: auto; }
.auth-overlay::backdrop { background: var(--bg); }
html:has(.auth-overlay[open]) { overflow: hidden; }

.auth-panel { flex-grow: 1; display: grid; place-items: center; padding: 48px 0 14vh; }

.auth-form { display: grid; gap: 24px; width: min(400px, 100%); }
.auth-form[hidden] { display: none; }
.auth-form h2 { margin: 0 0 8px; font-size: 32px; font-weight: 400; letter-spacing: -0.03em; color: var(--fg-strong); }

.auth-field { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.auth-field input {
  height: 44px; padding: 6px 0 10px;
  background: none; border: 0; border-bottom: 1px solid var(--field-border); border-radius: 0;
  font-size: 15px; color: var(--fg-strong);
}
.auth-field input::placeholder { color: var(--tick); }
.auth-field input:hover:not(:focus) { border-bottom-color: var(--rule-head); }
.auth-field input:focus { outline: none; border-bottom-color: var(--label); }

.auth-error { margin: 0; font-size: 13px; color: var(--fg-strong); }
.auth-error[hidden] { display: none; }

.auth-actions { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 8px; }
.landing .auth-actions a { font-size: 13px; color: var(--muted); text-decoration: underline; text-underline-offset: 4px; }
.landing .auth-actions a:hover { color: var(--fg-strong); }

/* На 900px board.css складывает колонки доски в одну — отступы демо тоже убираются. */
@media (max-width: 900px) {
  .landing-demo .col--backlog, .landing-demo .col--doing, .landing-demo .col--done { padding: 0; }
}

@media (max-width: 760px) {
  .landing, .auth-overlay { padding: 0 20px; }
  .landing-head .btn-solid { display: none; }
  .landing-intro { padding: 56px 0 40px; }
  .landing-intro h1 { font-size: 32px; }
  .landing-intro p { font-size: 16px; }
  .landing-demo .tabs, .landing-demo .btn { display: none; }
  .landing-demo .board { padding: 16px 16px 4px; }
  .landing-flow, .landing-foot { margin-top: 96px; }
  .landing-steps { margin: 40px 0 64px; }
  .landing-steps li { grid-template-columns: 44px minmax(0, 1fr); padding: 28px 0; font-size: 16px; }
  .landing-prompt { padding: 4px 18px; font-size: 13px; }
  .landing-prompt-part { flex-direction: column-reverse; gap: 6px; }
  .landing-foot { flex-direction: column; align-items: flex-start; }
  .auth-actions { flex-direction: column-reverse; align-items: stretch; text-align: center; }
  .auth-field input { font-size: 16px; }
}