/* Открытые страницы: страницы сетей (/seti) и главная для невошедших. */
:root {
  --ink: #17211f;
  --muted: #697571;
  --soft: #f0f3ef;
  --surface: #ffffff;
  --surface-2: #f7f8f5;
  --line: #e2e7e2;
  --brand: #1d6b57;
  --brand-strong: #115140;
  --brand-soft: #dff1e9;
  --accent: #c8ed66;
  --navy: #10231f;
  --radius: 18px;
}

/* Страницы сетей: собственные шапка, колонка текста и подвал. */
body.site {
  margin: 0; color: var(--ink); background: var(--surface-2); line-height: 1.65;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.site * { box-sizing: border-box; }
.site a { color: var(--brand); }
.site a:hover { color: var(--brand-strong); }
.site-header {
  display: flex; align-items: center; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap;
  padding: 18px clamp(18px, 5vw, 40px); background: var(--navy);
}
.site .site-brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; font-weight: 800; font-size: 17px; text-decoration: none; }
.site-brand-mark {
  display: grid; width: 40px; height: 40px; place-items: center; border-radius: 13px 13px 4px 13px;
  background: var(--accent); color: var(--navy); font-weight: 850; font-size: 13px; letter-spacing: -.04em;
}
.site-nav { display: flex; align-items: center; gap: 8px 20px; flex-wrap: wrap; font-size: 14px; }
.site .site-nav a { color: #cfdcd7; text-decoration: none; }
.site .site-nav a:hover { color: #fff; }
.site .site-nav .site-nav-button { padding: 8px 16px; border-radius: 10px; background: var(--accent); color: var(--navy); font-weight: 750; }
.site .site-nav .site-nav-button:hover { color: var(--navy); background: #d6f58a; }
.site-main { width: min(100%, 900px); margin: 0 auto; padding: clamp(24px, 5vw, 48px) clamp(18px, 5vw, 40px) 56px; }
.site-main h1 { margin: 10px 0 14px; font-size: clamp(28px, 4.4vw, 42px); line-height: 1.12; letter-spacing: -.035em; }
.site-main h2 { margin: 0 0 12px; font-size: clamp(20px, 2.6vw, 25px); letter-spacing: -.02em; }
.site-main p { margin: 0 0 12px; }
.site-crumbs { color: var(--muted); font-size: 13px; }
.site-lead { color: #3d4a46; font-size: 18px; }
.site-block { margin-top: 22px; padding: clamp(20px, 3vw, 30px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.site-block > :last-child { margin-bottom: 0; }
.site-chain-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 8px 18px; margin: 0 0 12px; padding: 0; list-style: none; }
.site-tz-sections { display: grid; gap: 12px; margin: 0 0 16px; padding: 0; list-style: none; }
.site-tz-sections li { padding-left: 16px; border-left: 3px solid var(--brand-soft); }
.site-tz-sections b { display: block; }
.site-tz-sections span { display: block; color: var(--muted); font-size: 14px; }
.site-disclaimer { margin-top: 24px; color: var(--muted); font-size: 13px; }
.site .site-button {
  display: inline-flex; align-items: center; min-height: 46px; padding: 0 22px; border: 0; border-radius: 12px;
  background: var(--brand); color: #fff; font: inherit; font-weight: 750; text-decoration: none; cursor: pointer;
}
.site .site-button:hover { background: var(--brand-strong); color: #fff; }
.site-footer { padding: 26px clamp(18px, 5vw, 40px) 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; text-align: center; }
.site-footer p { margin: 0 0 6px; }
.site .site-footer a { color: var(--muted); }

/* Главная: первый экран. Тёмная шапка с навигацией, слева рассказ, справа форма входа и регистрации. */
.hero {
  position: relative; overflow: hidden; color: #fff; background:
    radial-gradient(circle at 82% 8%, rgba(200, 237, 102, .15), transparent 32%),
    radial-gradient(circle at 8% 96%, rgba(62, 158, 128, .24), transparent 36%),
    var(--navy);
}
.hero *, .landing * { box-sizing: border-box; }
.hero-bar {
  display: flex; align-items: center; gap: 14px 28px; width: min(100%, 1240px); margin: 0 auto;
  padding: 22px clamp(18px, 4vw, 40px);
}
.hero-nav { display: flex; gap: 6px 26px; flex-wrap: wrap; margin-left: auto; font-size: 14.5px; }
.hero-nav a { padding: 6px 0; color: #c5d3ce; transition: color .15s; }
.hero-nav a:hover { color: #fff; }
.hero-login {
  min-height: 40px; padding: 0 18px; border: 1px solid rgba(255, 255, 255, .3); border-radius: 10px;
  background: transparent; color: #fff; font-size: 14.5px; font-weight: 700; cursor: pointer; transition: background .15s, border-color .15s;
}
.hero-login:hover { border-color: #fff; background: rgba(255, 255, 255, .08); }
/* На широком экране форма входа и так рядом; кнопка нужна только телефону, где форма ниже рассказа. */
@media (min-width: 981px) { .hero-login { display: none; } }
.hero-body {
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(360px, 430px); align-items: center;
  gap: clamp(32px, 5vw, 80px); width: min(100%, 1240px); margin: 0 auto;
  padding: clamp(28px, 4.5vw, 60px) clamp(18px, 4vw, 40px) clamp(52px, 7vw, 92px);
}
.hero-eyebrow {
  display: inline-block; padding: 6px 13px; border: 1px solid rgba(200, 237, 102, .38); border-radius: 999px;
  color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
}
.hero-copy h1 {
  max-width: 640px; margin: 22px 0 20px; font-size: clamp(34px, 4.2vw, 56px); font-weight: 700;
  line-height: 1.08; letter-spacing: -.025em;
}
.hero-lead { max-width: 570px; margin: 0; color: #c3d0cb; font-size: clamp(16px, 1.3vw, 18px); line-height: 1.62; }
.hero-actions { display: flex; align-items: center; gap: 14px 26px; flex-wrap: wrap; margin-top: 32px; }
.hero-cta {
  min-height: 54px; padding: 0 28px; border: 0; border-radius: 14px; background: var(--accent); color: var(--navy);
  font-size: 16px; font-weight: 700; cursor: pointer; box-shadow: 0 12px 34px rgba(200, 237, 102, .2); transition: transform .15s, background .15s;
}
.hero-cta:hover { background: #d6f58a; transform: translateY(-1px); }
.hero-more { color: #e4ece8; font-size: 15px; font-weight: 600; border-bottom: 1px solid rgba(228, 236, 232, .4); }
.hero-more:hover { color: #fff; border-color: #fff; }
.hero-points {
  display: grid; grid-template-columns: repeat(2, minmax(0, max-content)); gap: 12px 34px; margin: 36px 0 0; padding: 24px 0 0;
  border-top: 1px solid rgba(255, 255, 255, .1); list-style: none; color: #dfe8e4; font-size: 14.5px;
}
.hero-points li { display: flex; align-items: flex-start; gap: 9px; line-height: 1.4; }
.hero-points-title { margin: 36px 0 0; padding: 24px 0 0; border-top: 1px solid rgba(255, 255, 255, .1); color: #fff; font-size: 15px; font-weight: 700; }
.hero-points-title + .hero-points { margin-top: 14px; padding-top: 0; border-top: 0; }
.hero-points svg { width: 18px; height: 18px; flex: 0 0 18px; margin-top: 1px; color: var(--accent); }
.hero .auth-panel { display: block; padding: 0; background: none; color: var(--ink); }
.hero .auth-card { width: 100%; box-shadow: 0 30px 80px rgba(0, 0, 0, .34); }

/* Главная: разделы под первым экраном. */
.landing { color: var(--ink); background: var(--surface-2); line-height: 1.6; }
.landing a { color: var(--brand); }
.landing a:hover { color: var(--brand-strong); }
.landing-band { padding: clamp(52px, 7vw, 96px) 0; }
.landing-band-white { border-block: 1px solid var(--line); background: var(--surface); }
.landing-wrap { width: min(100%, 1160px); margin: 0 auto; padding: 0 clamp(18px, 4vw, 40px); }
.landing-head { max-width: 720px; margin-bottom: clamp(26px, 3.4vw, 44px); }
.landing-eyebrow { color: var(--brand); font-size: 12.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.landing-head h2, .landing-copy h2 {
  margin: 10px 0 14px; font-size: clamp(27px, 3.3vw, 40px); font-weight: 700; line-height: 1.14; letter-spacing: -.025em;
}
.landing-head p, .landing-copy > p { margin: 0; color: var(--muted); font-size: 16.5px; }
.landing-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 0; padding: 0; list-style: none; }
.landing-split { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: center; gap: clamp(28px, 5vw, 72px); }
.landing-checks { display: grid; gap: 12px; margin: 22px 0 0; padding: 0; list-style: none; color: #33403c; font-size: 15.5px; }
.landing-checks li { display: flex; gap: 11px; }
.landing-checks svg { width: 20px; height: 20px; flex: 0 0 20px; margin-top: 2px; color: var(--brand); }

/* Пример результата: условная карточка подбора, названия сетей скрыты. */
.mock { border: 1px solid var(--line); border-radius: 22px; background: var(--surface); box-shadow: 0 24px 60px rgba(21, 54, 45, .12); }
.mock-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; padding: 22px 24px 18px; }
.mock-head b { display: block; font-size: 17px; letter-spacing: -.02em; }
.mock-head span { color: var(--muted); font-size: 13.5px; }
.mock-head .mock-badge { padding: 4px 10px; border-radius: 999px; background: var(--soft); color: var(--muted); font-size: 12px; font-weight: 700; white-space: nowrap; }
.mock-stats { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); background: var(--surface-2); }
.mock-stats div { padding: 14px 24px; border-right: 1px solid var(--line); }
.mock-stats div:last-child { border-right: 0; }
.mock-stats b { display: block; font-size: 24px; letter-spacing: -.03em; }
.mock-stats span { color: var(--muted); font-size: 12.5px; }
.mock-rows { margin: 0; padding: 0; list-style: none; }
.mock-rows li { display: grid; grid-template-columns: 28px minmax(0, 1fr) auto auto; align-items: center; gap: 12px; padding: 13px 24px; border-bottom: 1px solid var(--line); font-size: 13.5px; }
.mock-rank { color: var(--muted); font-weight: 700; }
.mock-main b { display: block; font-size: 14.5px; }
.mock-main span { color: var(--muted); font-size: 12.5px; }
.mock-tag { padding: 4px 10px; border-radius: 999px; background: var(--brand-soft); color: var(--brand-strong); font-size: 12px; font-weight: 700; white-space: nowrap; }
.mock-tag-region { background: #eef0e6; color: #5b6a2a; }
.mock-tz { min-width: 52px; color: var(--brand); font-size: 12.5px; font-weight: 700; text-align: right; }
.mock-foot { margin: 0; padding: 13px 24px 16px; color: var(--muted); font-size: 12.5px; }

/* Шаги. */
.step { position: relative; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2); }
.step-number {
  display: grid; width: 40px; height: 40px; margin-bottom: 18px; place-items: center; border-radius: 12px;
  background: var(--navy); color: var(--accent); font-size: 16px; font-weight: 700;
}
.step h3, .feature h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -.02em; }
.step p, .feature p { margin: 0; color: var(--muted); font-size: 15px; }

/* Возможности. */
.feature { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); transition: border-color .15s, box-shadow .15s; }
.feature:hover { border-color: #c5d3cc; box-shadow: 0 14px 34px rgba(21, 54, 45, .07); }
.feature-icon { display: grid; width: 44px; height: 44px; margin-bottom: 18px; place-items: center; border-radius: 13px; background: var(--brand-soft); color: var(--brand-strong); }
.feature-icon svg { width: 22px; height: 22px; }

/* Тарифы. */
.plan { display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: var(--surface-2); }
.plan-accent { border-color: var(--brand); background: var(--surface); box-shadow: 0 20px 50px rgba(29, 107, 87, .14); }
.plan h3 { margin: 0; font-size: 19px; letter-spacing: -.02em; }
.plan-for { min-height: 46px; margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.plan-price { margin: 16px 0 0; font-size: 38px; font-weight: 700; line-height: 1.1; letter-spacing: -.03em; }
.plan-price small { color: var(--muted); font-size: 14.5px; font-weight: 500; letter-spacing: 0; }
.plan-unit { margin: 6px 0 0; color: var(--brand); font-size: 14px; font-weight: 700; }
.plan-specs { display: grid; margin: 22px 0 0; padding: 6px 0 0; border-top: 1px solid var(--line); }
.plan-specs div { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.plan-specs dt { color: #33403c; font-size: 14.5px; }
.plan-specs dd { margin: 0; font-size: 16px; font-weight: 700; white-space: nowrap; }
.plan-note { margin: 14px 0 24px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.plan-button {
  min-height: 48px; margin-top: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--surface);
  color: var(--ink); font: inherit; font-weight: 750; cursor: pointer; transition: border-color .15s, background .15s;
}
.plan-button:hover { border-color: #b5c3bc; }
.plan-accent .plan-button { border-color: var(--brand); background: var(--brand); color: #fff; }
.plan-accent .plan-button:hover { background: var(--brand-strong); }
.singles-title { margin: 34px 0 12px; font-size: 18px; letter-spacing: -.02em; }
.singles { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin: 0; padding: 0; list-style: none; }
.single { display: flex; flex-direction: column; padding: 22px 24px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface-2); }
.single h4 { margin: 0; font-size: 16.5px; line-height: 1.35; letter-spacing: -.015em; }
.single p { margin: 8px 0 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.single .single-price { margin-top: auto; padding-top: 16px; color: var(--ink); font-size: 26px; font-weight: 700; line-height: 1.1; letter-spacing: -.02em; }
.single-price small { color: var(--muted); font-size: 14px; font-weight: 500; letter-spacing: 0; }
.landing-note { margin: 18px 0 0; color: var(--muted); font-size: 14px; }

/* Каталог сетей. */
.chips { display: flex; gap: 10px; flex-wrap: wrap; margin: 0 0 26px; padding: 0; list-style: none; }
.chips li { padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: #33403c; font-size: 14.5px; font-weight: 600; }
.landing-links { display: flex; align-items: center; gap: 14px 26px; flex-wrap: wrap; margin: 0; }
.landing .button-solid, .landing .button-outline {
  display: inline-flex; align-items: center; min-height: 48px; padding: 0 22px; border-radius: 12px;
  font-weight: 750; transition: background .15s, border-color .15s;
}
.landing .button-solid { border: 1px solid var(--brand); background: var(--brand); color: #fff; }
.landing .button-solid:hover { background: var(--brand-strong); color: #fff; }
.landing .button-outline { border: 1px solid #c5d3cc; background: var(--surface); color: var(--ink); }
.landing .button-outline:hover { border-color: var(--brand); color: var(--brand-strong); }

/* Вопросы. */
.faq-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.4fr); align-items: start; gap: clamp(24px, 5vw, 72px); }
.faq-layout .landing-head { margin-bottom: 0; }
.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: 14px; background: var(--surface-2); }
.faq details[open] { background: var(--surface); border-color: #c5d3cc; }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 17px 22px; font-size: 16px; font-weight: 700; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: 0 0 auto; color: var(--brand); font-size: 22px; font-weight: 500; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq p { margin: 0; padding: 0 22px 20px; color: #3d4a46; font-size: 15px; }

/* Призыв и подвал. */
.landing-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 22px 40px; flex-wrap: wrap;
  padding: clamp(30px, 4.5vw, 52px); border-radius: 26px; color: #fff; background:
    radial-gradient(circle at 88% 20%, rgba(200, 237, 102, .2), transparent 38%), var(--navy);
}
.landing-cta h2 { margin: 0 0 8px; font-size: clamp(25px, 3vw, 36px); font-weight: 700; letter-spacing: -.025em; }
.landing-cta p { margin: 0; color: #b9c7c2; font-size: 16px; }
.landing-cta .hero-cta { flex: 0 0 auto; }
.landing-footer { padding: 0 0 44px; color: var(--muted); font-size: 13.5px; }
.landing-footer-grid { display: flex; justify-content: space-between; gap: 20px 40px; flex-wrap: wrap; padding-top: 28px; border-top: 1px solid var(--line); }
.landing-footer p { margin: 0 0 6px; }
.landing-footer nav { display: grid; gap: 6px; }
.landing .landing-footer a { color: var(--muted); text-decoration: underline; }
.landing .landing-footer a:hover { color: var(--brand); }
.landing-footer strong { color: var(--ink); font-size: 15px; }

@media (max-width: 980px) {
  .hero-nav { display: none; }
  .hero-login { margin-left: auto; }
  .hero-body { grid-template-columns: 1fr; padding-top: 14px; }
  .hero .auth-card { max-width: 480px; }
  .landing-grid, .landing-split, .faq-layout { grid-template-columns: 1fr; }
  .plan-for { min-height: 0; }
  .singles { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-cta { width: 100%; }
  .hero-more { align-self: flex-start; }
  .hero-points { grid-template-columns: 1fr; }
  .mock-rows li { grid-template-columns: 22px minmax(0, 1fr) auto; }
  .mock-tz { display: none; }
  .mock-stats div { padding: 12px 14px; }
  .mock-head, .mock-rows li, .mock-foot { padding-left: 16px; padding-right: 16px; }
  .landing-cta .hero-cta { width: 100%; }
}