/* ======================================================================
   Точка входа (оффер заказной разработки) и правовые страницы.
   Каталог продуктов живёт в Mini App; здесь продаётся услуга: лендинг
   без скриптов — навбар, сетки карточек, FAQ на <details> и CTA в Telegram.
   ====================================================================== */
:root{
  --bg:#0B0705; --surface:#151010; --surface-2:#1C1512; --tx:#FFF6EC;
  --dim:#A8968C; --line:rgba(255,180,120,.16); --line-hi:rgba(255,150,80,.38);
  --ember:#FF6B35; --ember-hi:#FFC46B; --ink:#180A04;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0; min-height:100svh; background:var(--bg); color:var(--tx);
  font:400 17px/1.6 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;
  display:flex; flex-direction:column; align-items:center;
  /* Тёплое основание вместо тяжёлой картинки: тот же характер за 0 КБ */
  background-image:
    radial-gradient(ellipse 70% 45% at 50% 0%, rgba(255,107,53,.14), transparent 70%),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(193,18,31,.10), transparent 70%);
}

a{cursor:pointer}
:focus-visible{outline:2px solid var(--ember-hi);outline-offset:3px;border-radius:6px}

/* Короткие страницы (404) центрируются целиком; длинный оффер — нет */
main:not(.offer){margin:auto;max-width:34rem;text-align:center;padding:48px 22px}

.mark{margin:0 0 22px}
.mark circle{fill:url(#g)}

h1{margin:0 0 14px;font-weight:600;font-size:clamp(28px,6vw,40px);letter-spacing:.08em}
.lead{margin:0 0 32px;color:var(--dim);font-size:clamp(15px,2.4vw,17px)}

.cta{
  display:inline-block; padding:16px 34px; border-radius:9999px;
  background:linear-gradient(135deg,var(--ember-hi),var(--ember) 70%);
  color:var(--ink); font-weight:600; font-size:16px; text-decoration:none;
  box-shadow:0 10px 30px rgba(255,107,53,.28);
  transition:transform .2s ease, box-shadow .2s ease;
}
.cta:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(255,107,53,.36)}
.cta.ghost{
  background:transparent;color:var(--tx);border:1px solid var(--line);box-shadow:none;
  transition:transform .2s ease, border-color .2s ease;
}
.cta.ghost:hover{border-color:var(--line-hi);box-shadow:none}
.cta.small{padding:10px 20px;font-size:14px;box-shadow:0 6px 18px rgba(255,107,53,.22)}

.note{margin:26px 0 0;color:var(--dim);font-size:14px;line-height:1.55}

.links{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:center;margin-top:30px}
.links a{color:var(--dim);text-decoration:none;font-size:14px;border-bottom:1px solid var(--line);transition:color .2s ease}
.links a:hover{color:var(--ember-hi)}

/* ------------------------------------------------------------- навбар */
.topbar{
  position:sticky;top:0;z-index:50;width:100%;
  background:rgba(11,7,5,.82);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar-in{
  max-width:62rem;margin:0 auto;padding:12px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;text-decoration:none;
  color:var(--tx);font-weight:600;font-size:14px;letter-spacing:.14em;
}
.topbar-links{display:flex;gap:26px}
.topbar-links a{color:var(--dim);font-size:14.5px;text-decoration:none;transition:color .2s ease}
.topbar-links a:hover{color:var(--tx)}
@media (max-width:760px){.topbar-links{display:none}}

/* ----------------------------------------------------- лендинг-оффер */
.offer{width:100%;max-width:56rem;padding:0 22px 76px;text-align:center}
.offer .overline{
  margin:0 0 18px;color:var(--dim);font-size:13px;font-weight:600;
  letter-spacing:.26em;text-transform:uppercase;
}
.offer h1{
  letter-spacing:-.01em;line-height:1.16;font-weight:700;
  font-size:clamp(30px,6vw,46px);text-wrap:balance;
}
.offer h1 em{
  font-style:normal;
  background:linear-gradient(135deg,var(--ember-hi),var(--ember) 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero{padding:68px 0 6px}
.hero .lead{max-width:38rem;margin:0 auto 34px}

.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin:30px 0 0}
.hero-cta{margin:0}

.chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:34px 0 0;padding:0}
.chips li{
  display:inline-flex;align-items:center;gap:8px;padding:8px 15px;
  border:1px solid var(--line);border-radius:999px;
  background:rgba(21,16,16,.6);color:var(--dim);font-size:13.5px;
}
.chips svg{color:var(--ember-hi)}

/* иконки-штрихи (Lucide): без заливки, наследуют цвет */
.chips svg,.ico svg{
  fill:none;stroke:currentColor;stroke-width:1.75;
  stroke-linecap:round;stroke-linejoin:round;
}

.block{margin-top:84px;scroll-margin-top:84px}
.eyebrow{
  margin:0 0 10px;color:var(--ember-hi);font-size:12.5px;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;
}
.block h2{
  margin:0 0 32px;font-weight:600;font-size:clamp(22px,4.4vw,30px);
  line-height:1.25;text-wrap:balance;
}

/* боли */
.pains{
  list-style:none;margin:0 auto;padding:0;max-width:38rem;text-align:left;
  display:grid;gap:12px;
}
.pains li{
  padding:16px 20px 16px 48px;background:var(--surface);
  border:1px solid var(--line);border-radius:14px;position:relative;
  color:#E6D9CE;font-size:15.5px;
}
.pains li::before{
  content:"";position:absolute;left:19px;top:21px;width:12px;height:12px;
  background:
    linear-gradient(45deg,transparent 44%,var(--ember) 44%,var(--ember) 56%,transparent 56%),
    linear-gradient(-45deg,transparent 44%,var(--ember) 44%,var(--ember) 56%,transparent 56%);
}
.pains-out{margin:26px auto 0;max-width:34rem;color:var(--tx);font-weight:500}

/* шаги */
.steps{
  list-style:none;counter-reset:step;margin:0 auto;padding:0;
  max-width:40rem;text-align:left;display:grid;gap:14px;
}
.steps li{
  counter-increment:step;position:relative;padding:22px 24px 22px 70px;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
}
.steps li::before{
  content:counter(step);position:absolute;left:22px;top:22px;
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--ember-hi),var(--ember) 70%);
  color:var(--ink);font-weight:600;font-size:15px;
}
.steps h3{margin:0 0 6px;font-size:17px;font-weight:600}
.steps p{margin:0;color:var(--dim);font-size:15px;line-height:1.6}

/* карточки */
.grid{
  display:grid;gap:14px;text-align:left;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
}
.card{
  background:linear-gradient(180deg,var(--surface-2),var(--surface) 60%);
  border:1px solid var(--line);border-radius:18px;padding:24px;
  transition:transform .2s ease, border-color .2s ease;
}
.card:hover{transform:translateY(-3px);border-color:var(--line-hi)}
.card h3{margin:0 0 8px;font-size:16.5px;font-weight:600}
.card p{margin:0;color:var(--dim);font-size:14.5px;line-height:1.6}
.ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,107,53,.12);color:var(--ember-hi);margin:0 0 16px;
}

/* цены */
.price .card{display:flex;flex-direction:column;gap:10px}
.price .card p{margin:0}
.price-tag{
  font-size:25px;font-weight:700;font-variant-numeric:tabular-nums;
  background:linear-gradient(135deg,var(--ember-hi),var(--ember) 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.price-term{margin-top:auto !important;font-size:13.5px;color:var(--dim);padding-top:8px;border-top:1px solid var(--line)}
.card.featured{border-color:var(--line-hi);box-shadow:0 12px 40px rgba(255,107,53,.14)}
.badge{
  align-self:flex-start;margin:0;padding:4px 11px;border-radius:999px;
  background:linear-gradient(135deg,var(--ember-hi),var(--ember) 70%);
  color:var(--ink);font-size:11px;font-weight:600;
  letter-spacing:.09em;text-transform:uppercase;
}

/* FAQ */
.block details{
  max-width:40rem;margin:0 auto 10px;text-align:left;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:0 20px;transition:border-color .2s ease;
}
.block details[open]{border-color:var(--line-hi)}
.block summary{
  cursor:pointer;list-style:none;padding:17px 30px 17px 0;
  font-weight:600;font-size:15.5px;position:relative;
}
.block summary::-webkit-details-marker{display:none}
.block summary::after{
  content:"+";position:absolute;right:2px;top:50%;transform:translateY(-50%);
  color:var(--ember-hi);font-size:21px;font-weight:400;
}
.block details[open] summary::after{content:"–"}
.block details p{margin:0 0 18px;color:var(--dim);font-size:15px;line-height:1.65}

/* финальный блок */
.final{
  background:linear-gradient(180deg,var(--surface-2),var(--surface) 70%);
  border:1px solid var(--line);border-radius:24px;padding:48px 26px;
}
.final .lead{max-width:32rem;margin-left:auto;margin-right:auto}

/* ------------------------------------------------------------- подвал */
footer{
  width:100%;border-top:1px solid var(--line);
  background:rgba(21,16,16,.4);
  padding:34px 22px 44px;text-align:center;color:var(--dim);font-size:13px;
}
.foot-in{max-width:62rem;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:16px}
footer .links{margin-top:0}
.seller{margin:6px 0 0;opacity:.75}

/* --------------------------------------------------------- документы */
.doc{max-width:44rem;text-align:left;margin:0 auto;padding:40px 22px}
.doc h1{font-size:clamp(24px,5vw,32px);letter-spacing:0;margin-bottom:8px}
.doc .upd{color:var(--dim);font-size:13px;margin:0 0 28px}
.doc h2{margin:32px 0 12px;font-size:20px;font-weight:600}
.doc h3{margin:24px 0 10px;font-size:17px;font-weight:600}
.doc p,.doc li{color:#E6D9CE;line-height:1.65}
.doc ul,.doc ol{padding-left:22px}
.doc a{color:var(--ember-hi)}
.doc table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
.doc th,.doc td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.doc hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.doc code{background:var(--surface);padding:2px 6px;border-radius:6px;font-size:14px}
/* Длинные документы не рендерятся целиком до прокрутки */
.doc{content-visibility:auto;contain-intrinsic-size:auto 1400px}

.back{display:inline-block;margin-top:36px;color:var(--dim);font-size:14px;text-decoration:none}
.back:hover{color:var(--ember-hi)}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .cta,.cta.ghost,.card{transition:none}
  .cta:hover,.card:hover{transform:none}
}