/* Страница продукта для гостей (внутри #authScreen) и плашка демо-режима */

/* Гостям показываем страницу сразу, пока кабинет ещё загружается */
.guest #appLoading{display:none}
.guest #authScreen[hidden]{display:block}

.auth-screen.landing:not([hidden]),.guest .auth-screen.landing{display:block;position:static;inset:auto;z-index:auto;min-height:100vh;overflow:visible;padding:0;align-items:stretch;justify-content:flex-start;background:var(--ig-paper)}
.landing{--landing-max:1120px;--landing-gutter:24px;--landing-rule:#e2e5d4;--landing-margin:#c8cfae;color:var(--ig-ink)}
.landing>*{box-sizing:border-box;width:100%;max-width:var(--landing-max);margin-inline:auto;padding-inline:var(--landing-gutter)}
.landing a{color:var(--ig-olive-dark)}
.landing :focus-visible{outline:3px solid #9aa579;outline-offset:2px;border-radius:6px}

/* Верхняя строка */
.landing .landing-top{display:flex;align-items:center;justify-content:space-between;gap:16px;height:auto;padding-block:18px;background:transparent;border:0;backdrop-filter:none;position:static}
.landing-brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;font-size:19px;color:var(--ig-ink)!important;text-decoration:none}
.landing-brand .logo{width:42px;height:42px;margin:0}
.landing .landing-login-link{background:transparent;color:var(--ig-olive-dark);border:1.5px solid var(--ig-sage);box-shadow:none;padding:9px 18px;border-radius:12px;font-weight:700}
.landing .landing-login-link:hover:not(:disabled){background:var(--ig-card);transform:none}

/* Первый экран: страница журнала — линейки и поле, как в бумажном журнале учёта */
.landing-hero{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:56px;align-items:start;padding-block:40px 56px;
  background-image:
    linear-gradient(to right,transparent 0 calc(var(--landing-gutter) - 14px),var(--landing-margin) calc(var(--landing-gutter) - 14px) calc(var(--landing-gutter) - 13px),transparent calc(var(--landing-gutter) - 13px) calc(var(--landing-gutter) - 10px),var(--landing-margin) calc(var(--landing-gutter) - 10px) calc(var(--landing-gutter) - 9px),transparent calc(var(--landing-gutter) - 9px)),
    repeating-linear-gradient(to bottom,transparent 0 35px,var(--landing-rule) 35px 36px);
  background-position:0 6px}
.landing-hero-text{padding-top:8px}
.landing-hero h1{margin:0 0 22px;font-size:clamp(38px,5.4vw,66px);line-height:1.04;letter-spacing:-.025em;font-weight:800;max-width:12.5em;text-wrap:balance}
.landing-lead{margin:0 0 30px;font-size:19px;line-height:1.6;color:#454a3b;max-width:34em}
.landing-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.landing .landing-signup{background:var(--ig-olive-dark);color:#fffef8;padding:16px 24px;border-radius:13px;font-size:17px;font-weight:750;box-shadow:0 10px 24px #464b382e}
.landing .landing-signup:hover:not(:disabled){background:#373b2b;transform:translateY(-1px)}
.landing .landing-demo{display:inline-flex;align-items:center;padding:14.5px 22px;border-radius:13px;border:1.5px solid var(--ig-olive);font-size:17px;font-weight:700;text-decoration:none;background:#fffef8b3}
.landing .landing-demo:hover{background:var(--ig-card)}
.landing-fineprint{margin:18px 0 0;color:var(--ig-muted);font-size:14.5px}

/* Форма входа справа */
.landing .login-card{width:100%;margin:0;padding:26px;border:1px solid var(--ig-line);border-radius:18px;box-shadow:0 18px 48px #3d44301f;background:var(--ig-card)}
.landing .login-card h2{margin:0 0 6px;font-size:22px}
.landing .login-card .auth-note{margin-bottom:18px;font-size:14.5px}
.landing .login-card .auth-site-footer{display:none}

/* Скриншоты */
.landing-shot{position:relative;margin-block:8px 72px}
.landing-shot-wide{display:block;width:100%;height:auto;border-radius:16px;border:1px solid var(--ig-line);box-shadow:0 26px 60px #3d443024;background:var(--ig-card)}
.landing-shot-phone{position:absolute;right:calc(var(--landing-gutter) + 24px);bottom:-36px;width:210px;height:auto;border-radius:30px;border:7px solid var(--ig-ink);box-shadow:0 22px 50px #29302440;background:var(--ig-card)}
.landing-shot figcaption{margin-top:20px;color:var(--ig-muted);font-size:15px;max-width:calc(100% - 270px)}

/* Возможности */
.landing-features{padding-block:24px 64px}
.landing h2{font-size:clamp(26px,3vw,34px);line-height:1.15;letter-spacing:-.015em;margin:0 0 26px}
.landing-features dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 40px;margin:0}
.landing-features dl>div{padding:20px 0 24px;border-top:1px solid var(--ig-line)}
.landing-features dt{font-weight:750;font-size:18px;margin-bottom:8px}
.landing-features dd{margin:0;color:#50564a;line-height:1.55}

/* Автор */
.landing-author{display:grid;grid-template-columns:160px minmax(0,1fr);gap:32px;align-items:start;padding-block:40px;border-top:1px solid var(--ig-line)}
.landing-author img{width:160px;height:160px;object-fit:cover;border-radius:22px;border:1px solid var(--ig-line)}
.landing-author h2{margin-bottom:14px}
.landing-author p{margin:0 0 12px;max-width:40em;line-height:1.65;font-size:17px;color:#3c4134}

/* Вопросы */
.landing-faq{padding-block:40px;border-top:1px solid var(--ig-line)}
.landing-faq details{border-bottom:1px solid var(--ig-line);max-width:52em}
.landing-faq summary{cursor:pointer;list-style:none;padding:18px 36px 18px 0;font-size:18px;font-weight:700;position:relative}
.landing-faq summary::-webkit-details-marker{display:none}
.landing-faq summary::after{content:'+';position:absolute;right:6px;top:14px;font-size:24px;font-weight:500;color:var(--ig-olive)}
.landing-faq details[open] summary::after{content:'−'}
.landing-faq details p{margin:0 0 20px;color:#454a3b;line-height:1.6;max-width:44em}

/* Финальный призыв */
.landing-final{padding-block:48px 56px;border-top:1px solid var(--ig-line)}
.landing-final h2{margin-bottom:22px}
.landing-footer{padding-block:24px 36px;border-top:1px solid var(--ig-line)}

@media(max-width:900px){
  .landing-hero{grid-template-columns:1fr;gap:36px}
  .landing .login-card{max-width:440px}
  .landing-features dl{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:640px){
  .landing{--landing-gutter:16px}
  .landing .landing-top{padding-block:12px}
  .landing-hero{padding-block:22px 40px;background-position:0 2px}
  .landing-hero h1{font-size:36px;margin-bottom:16px}
  .landing-lead{font-size:17px;margin-bottom:24px}
  .landing-actions{flex-direction:column;align-items:stretch}
  .landing .landing-signup,.landing .landing-demo{justify-content:center;text-align:center;width:100%}
  .landing-shot{margin-bottom:48px}
  .landing-shot-wide{display:none}
  .landing-shot-phone{position:static;display:block;margin:0 auto;width:min(260px,72vw)}
  .landing-shot figcaption{max-width:none;text-align:center}
  .landing-features dl{grid-template-columns:1fr}
  .landing-author{grid-template-columns:1fr;gap:18px}
  .landing-author img{width:112px;height:112px}
  .landing-footer{flex-direction:column;align-items:flex-start}
  .landing-footer nav{justify-content:flex-start}
}

/* Плашка демо-режима */
.demo-banner{position:sticky;top:0;z-index:2000;display:flex;align-items:center;justify-content:space-between;gap:12px 20px;flex-wrap:wrap;padding:10px max(16px,calc((100% - 1100px)/2));background:var(--ig-lime);color:var(--ig-ink);border-bottom:1px solid #c3cf8c;font-size:14.5px}
.demo-banner p{margin:0;flex:1 1 380px;line-height:1.45}
.demo-banner-actions{display:flex;gap:8px;flex-wrap:wrap}
.demo-banner a{padding:8px 14px;border-radius:10px;font-weight:700;text-decoration:none;white-space:nowrap}
.demo-banner-primary{background:var(--ig-olive-dark);color:#fffef8}
.demo-banner-exit{color:var(--ig-olive-dark);border:1.5px solid #9aa579}
@media(max-width:640px){.demo-banner{font-size:13.5px}.demo-banner-actions{width:100%}.demo-banner a{flex:1;text-align:center}}