/* Фирменная палитра: тёплая терракота, охра и крем + глубокий графит */
:root{
  --brand:#b0552f;
  --brand-2:#d98a4a;
  --accent:#1f5f5b;
  --bg:#fbf6ef;
  --surface:#fffdf9;
  --surface-2:#f4ece1;
  --text:#241d18;
  --muted:#7c6d61;
  --border:#e4d8c9;
  --grad:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);

  --rail-w:288px;
  --font-display:'Trebuchet MS','Segoe UI',system-ui,-apple-system,Roboto,'Helvetica Neue',Arial,sans-serif;
  --shadow-soft:0 18px 40px -28px rgba(58,36,20,.45);
}

*{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.6;
  color:var(--text);
  background:var(--bg);
  background-image:
    radial-gradient(760px 420px at 8% -6%, color-mix(in srgb, var(--brand) 16%, transparent), transparent 70%),
    radial-gradient(620px 500px at 100% 8%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 72%),
    radial-gradient(1px 1px at 24px 32px, color-mix(in srgb, var(--text) 10%, transparent) 1px, transparent 1px);
  background-size:auto, auto, 32px 32px;
  background-attachment:fixed, fixed, scroll;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{font-family:var(--font-display);line-height:1.12;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,4.6vw,3.5rem);font-weight:700}
h2{font-size:clamp(1.55rem,2.9vw,2.35rem);font-weight:700}
h3{font-size:clamp(1.1rem,1.6vw,1.3rem);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
a{color:var(--brand);text-decoration:none;border-bottom:1px solid color-mix(in srgb, var(--brand) 35%, transparent);transition:border-color .2s var(--ease-out),color .2s var(--ease-out)}
a:hover{color:var(--brand-2);border-bottom-color:var(--brand-2)}
img{max-width:100%;height:auto;display:block}

.skip{position:absolute;left:-9999px;top:0;background:var(--surface);padding:10px 16px;border-radius:0 0 var(--radius-2) 0;z-index:100}
.skip:focus{left:0}

/* ---------- Каркас: левый рейл + контент ---------- */
.page{min-height:100vh;margin-left:var(--rail-w)}

.rail{
  position:fixed;inset:0 auto 0 0;width:var(--rail-w);z-index:60;
  background:color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter:blur(14px);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  padding:26px 22px 22px;
  overflow-y:auto;
}
.rail__bar{display:flex;align-items:center;justify-content:space-between;gap:12px}
.rail__logo{display:flex;align-items:center;gap:12px;border:0;color:var(--text)}
.rail__mark{color:var(--brand);display:block;line-height:0}
.rail__name{font-family:var(--font-display);font-weight:700;font-size:1.02rem;letter-spacing:-.01em;line-height:1.15}
.rail__nav{display:flex;flex-direction:column;gap:2px;margin:32px 0 0}
.rail__nav a{
  border:0;border-left:2px solid transparent;color:var(--muted);
  padding:10px 12px;border-radius:0 var(--radius-1) var(--radius-1) 0;
  font-size:.98rem;transition:color .18s var(--ease-out),background .18s var(--ease-out),border-color .18s var(--ease-out);
}
.rail__nav a:hover{color:var(--text);background:var(--surface-2)}
.rail__nav a.is-active{color:var(--brand);border-left-color:var(--brand);background:color-mix(in srgb, var(--brand) 8%, transparent);font-weight:600}
.rail__foot{margin-top:auto;padding-top:28px;display:flex;flex-direction:column;gap:12px}
.rail__account{
  border:1px solid var(--border);border-radius:var(--radius-2);padding:12px 14px;display:block;
  color:var(--text);background:var(--surface);font-weight:600
}
.rail__account span{display:block;font-weight:400;font-size:.82rem;color:var(--muted);margin-top:2px}
.rail__account:hover{border-color:var(--brand);color:var(--brand)}
.rail__note{margin:0;font-size:.76rem;color:var(--muted)}

.burger{display:none;background:none;border:1px solid var(--border);border-radius:var(--radius-1);padding:8px 9px;gap:4px;flex-direction:column;cursor:pointer}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px}

/* ---------- Утилиты ---------- */
.wrap{max-width:var(--container);margin:0 auto;padding:0 clamp(18px,4vw,44px)}
.wrap--narrow{max-width:820px}
.section{padding:clamp(56px,7vw,104px) 0;position:relative}
.section--tint{background:linear-gradient(180deg,color-mix(in srgb, var(--surface-2) 78%, transparent),transparent)}
.section--dark{background:var(--text);color:#f6ede3}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark a{color:var(--brand-2);border-bottom-color:color-mix(in srgb, var(--brand-2) 45%, transparent)}
.section__head{max-width:720px;margin-bottom:clamp(28px,3.4vw,48px)}
.section__head .lead{font-size:1.06rem;color:var(--muted);margin-bottom:0}
.lead{font-size:clamp(1.02rem,1.5vw,1.16rem);color:var(--muted);max-width:64ch}
.muted{color:var(--muted)}
.h2{font-size:clamp(1.55rem,2.9vw,2.35rem)}
.h3{font-size:clamp(1.1rem,1.6vw,1.3rem)}
.page-head{padding-bottom:clamp(24px,3vw,40px)}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-3);
  padding:clamp(20px,2.4vw,32px);box-shadow:var(--shadow-soft);
}
.ticks{list-style:none;padding:0;margin:0 0 1.2em;display:grid;gap:10px}
.ticks li{position:relative;padding-left:30px}
.ticks li::before{
  content:"";position:absolute;left:0;top:.42em;width:16px;height:16px;border-radius:50%;
  background:color-mix(in srgb, var(--accent) 16%, transparent);
  box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--accent) 45%, transparent);
}
.ticks li::after{
  content:"";position:absolute;left:5px;top:.78em;width:6px;height:3px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:rotate(-45deg);
}
.ticks--cols{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px 28px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#fffdf9;border:1px solid transparent;
  padding:13px 22px;border-radius:var(--radius-pill);
  font-family:var(--font-sans);font-size:.98rem;font-weight:600;cursor:pointer;
  transition:transform .18s var(--ease-out),box-shadow .2s var(--ease-out),filter .18s var(--ease-out);
  box-shadow:0 10px 22px -14px color-mix(in srgb, var(--brand) 70%, transparent);
}
.btn:hover{transform:translateY(-2px);filter:saturate(1.06) brightness(1.03);color:#fffdf9;border-bottom-color:transparent}
.btn:active{transform:translateY(0)}
.btn--ghost{background:var(--surface);color:var(--text);border:1px solid var(--border);box-shadow:none}
.btn--ghost:hover{color:var(--brand);border-color:var(--brand)}
.btn--light{background:#fffdf9;color:var(--brand);border-color:transparent}
.btn--light:hover{color:var(--brand);background:#fff}
.btn--block{width:100%}
.btn--danger{color:#9c3b2a;border-color:color-mix(in srgb, #9c3b2a 35%, var(--border))}
.btn--danger:hover{color:#7f2c1d;border-color:#9c3b2a}
.btn[disabled]{opacity:.6;cursor:progress}

.notice{border-radius:var(--radius-2);padding:12px 16px;margin:0 0 16px;font-size:.94rem;border:1px solid var(--border);background:var(--surface-2)}
.notice--ok{background:color-mix(in srgb, var(--accent) 12%, var(--surface));border-color:color-mix(in srgb, var(--accent) 40%, var(--border));color:color-mix(in srgb, var(--accent) 80%, var(--text))}
.notice--warn{background:color-mix(in srgb, var(--brand-2) 16%, var(--surface));border-color:color-mix(in srgb, var(--brand-2) 45%, var(--border))}
.notice--err{background:color-mix(in srgb, #9c3b2a 10%, var(--surface));border-color:color-mix(in srgb, #9c3b2a 40%, var(--border));color:#7f2c1d}
.notice:last-child{margin-bottom:0}

/* ---------- Первый экран ---------- */
.hero{position:relative;padding:clamp(44px,6vw,84px) 0 clamp(28px,4vw,56px)}
.hero__inner{
  max-width:var(--container);margin:0 auto;padding:0 clamp(18px,4vw,44px);
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(28px,4vw,64px);align-items:center;
}
.hero h1{margin-bottom:.35em}
.hero__sub{font-size:clamp(1.05rem,1.6vw,1.24rem);color:var(--muted);max-width:56ch}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 34px}
.hero__facts{display:grid;gap:0;margin:0;border-top:1px solid var(--border)}
.hero__facts > div{display:grid;grid-template-columns:minmax(150px,.4fr) 1fr;gap:16px;padding:13px 0;border-bottom:1px solid var(--border)}
.hero__facts dt{font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0}
.hero__facts dd{margin:0;font-size:.98rem}
.hero__media{position:relative}
.hero__photo{width:100%;aspect-ratio:13/16;object-fit:cover;border-radius:var(--radius-3);border:1px solid var(--border)}
.hero__badge{
  position:absolute;left:-18px;bottom:26px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-2);padding:12px 16px;max-width:250px;box-shadow:var(--shadow-soft);
}
.hero__badge-num{display:block;font-family:var(--font-display);font-size:1.4rem;font-weight:700;color:var(--brand)}
.hero__badge-cap{display:block;font-size:.78rem;color:var(--muted);line-height:1.35}

/* ---------- Калькулятор ---------- */
.calc__grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(20px,3vw,36px);align-items:start}
.calc-form{display:grid;gap:16px}
.field{display:grid;gap:6px}
.field > label,.field legend{font-size:.92rem;font-weight:600;padding:0}
.field--radio{border:0;margin:0;padding:0}
.radio-row{display:flex;gap:10px;flex-wrap:wrap}
.radio{
  display:inline-flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:var(--radius-pill);
  padding:10px 16px;cursor:pointer;background:var(--surface);font-size:.95rem;font-weight:500;transition:border-color .18s var(--ease-out),background .18s var(--ease-out)
}
.radio:hover{border-color:var(--brand)}
.radio:has(input:checked){border-color:var(--brand);background:color-mix(in srgb, var(--brand) 9%, var(--surface));color:var(--brand);font-weight:600}
.radio input{accent-color:var(--brand)}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-2);
  background:var(--surface);color:var(--text);font:inherit;font-size:1rem;
  transition:border-color .18s var(--ease-out),box-shadow .18s var(--ease-out);
}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent)}
.field__hint{font-size:.8rem;color:var(--muted);line-height:1.4}
.calc-form__foot{display:grid;gap:10px;margin-top:6px}
.form__note{font-size:.78rem;color:var(--muted);margin:0}
.consent{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start;font-size:.86rem;color:var(--muted)}
.consent input{margin-top:3px;accent-color:var(--brand);width:18px;height:18px}

.result{display:grid;gap:14px}
.result__label{font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.result__sum{font-family:var(--font-display);font-size:clamp(2.3rem,5.4vw,3.4rem);font-weight:700;line-height:1;color:var(--brand);letter-spacing:-.03em}
.result__unit{font-size:1.05rem;font-weight:600;color:var(--muted);letter-spacing:0}
.result__sub{font-size:.82rem;color:var(--muted);margin:0}
.result__list{margin:0;display:grid;gap:0;border-top:1px solid var(--border)}
.result__row{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--border);font-size:.94rem}
.result__row dt{color:var(--muted);margin:0}
.result__row dd{margin:0;font-weight:600;text-align:right}
.result__list--tight .result__row{padding:7px 0;font-size:.9rem}
.result__strong{color:var(--brand)}
.result__flags{display:grid;gap:8px}
.result__actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}
.result__act{display:contents}

/* ---------- График ---------- */
.chart{margin-top:4px}
.chart svg{width:100%;height:auto;display:block}
.chart__grid{stroke:var(--border);stroke-width:1}
.chart__lbl{fill:var(--muted);font-size:12px;font-family:var(--font-sans)}
.chart__val{fill:var(--brand);font-size:14px;font-weight:700;font-family:var(--font-display)}
.chart__area{fill:url(#sgcFill)}
.chart__line{fill:none;stroke:var(--brand);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.chart__dot{fill:var(--surface);stroke:var(--brand);stroke-width:2.5}
.chart__stop-a{stop-color:var(--brand);stop-opacity:.28}
.chart__stop-b{stop-color:var(--brand);stop-opacity:0}
.chart__caption{font-size:.8rem;color:var(--muted);margin:10px 0 0}

/* ---------- Шаги ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(18px,2.4vw,32px)}
.step{position:relative;padding-top:20px;border-top:2px solid color-mix(in srgb, currentColor 22%, transparent)}
.steps--light .step{border-top-color:var(--border)}
.step__num{display:block;font-family:var(--font-display);font-size:.92rem;font-weight:700;color:var(--brand);margin-bottom:8px}
.step p{font-size:.96rem;color:inherit;opacity:.92;margin:0}
.legal-formula{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88rem;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-1);
  padding:10px 12px;color:var(--accent);margin:0 0 .8em;overflow-x:auto
}
.method__more{margin:34px 0 0}

/* ---------- Статистика ---------- */
.stats__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.stat{display:grid;gap:4px}
.stat__num{font-family:var(--font-display);font-size:clamp(1.8rem,3.4vw,2.5rem);font-weight:700;color:var(--brand);line-height:1}
.stat__cap{font-size:.88rem;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq__list{display:grid;gap:12px}
.faq__list--full{max-width:100%}
.faq__item{border:1px solid var(--border);border-radius:var(--radius-2);background:var(--surface);overflow:hidden}
.faq__item summary{
  cursor:pointer;padding:16px 46px 16px 18px;font-weight:600;font-family:var(--font-display);
  list-style:none;position:relative;font-size:1.02rem
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{
  content:"";position:absolute;right:18px;top:50%;width:9px;height:9px;margin-top:-6px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(45deg);transition:transform .2s var(--ease-out)
}
.faq__item[open] summary::after{transform:rotate(-135deg);margin-top:-2px}
.faq__item[open] summary{color:var(--brand)}
.faq__body{padding:0 18px 16px;color:var(--muted)}
.faq__body p:last-child{margin-bottom:0}
.faq__more{margin-top:24px}

/* ---------- CTA + формы ---------- */
.cta__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:clamp(24px,3.4vw,52px);align-items:start}
.cta__photo{border-radius:var(--radius-3);border:1px solid var(--border);margin-top:24px;width:100%;aspect-ratio:3/2;object-fit:cover}
.cta__form{position:sticky;top:24px}
.lead-form{display:grid;gap:14px}
.contacts__grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:clamp(24px,3.4vw,52px);align-items:start}
.contacts__photo{border-radius:var(--radius-3);border:1px solid var(--border);margin-top:24px;width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- Таблица параметров ---------- */
.ptable{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-2);overflow:hidden}
.ptable th,.ptable td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--border);font-size:.94rem}
.ptable thead th{background:var(--surface-2);font-family:var(--font-display);font-size:.82rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.ptable tr:last-child td{border-bottom:0}
.ptable__val{font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}

/* ---------- Пример, источники, прочее ---------- */
.example{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(18px,2.4vw,32px);align-items:start}
.sources{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(18px,2.4vw,30px)}
.source{padding-top:16px;border-top:1px solid color-mix(in srgb, #f6ede3 25%, transparent)}
.source h3{margin-bottom:.4em}
.source p{margin:0;font-size:.94rem}
.legal h3{margin-top:1.8em}
.legal ul{margin:0 0 1em}
.empty{text-align:left}
.saved{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.saved__item{display:grid;gap:12px}
.saved__head{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.saved__sum{font-family:var(--font-display);font-size:1.6rem;font-weight:700;color:var(--brand);margin:0}
.saved__sum span{font-size:.9rem;color:var(--muted);font-weight:600}
.saved__date{font-size:.78rem;color:var(--muted)}
.saved__title{margin:0;font-size:.9rem;color:var(--muted)}
.saved__actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.saved__actions form{margin:0}

/* ---------- Страница-ссылка /r/КОД ---------- */
.share__date{font-size:.82rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted)}
.share__grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(20px,3vw,36px);align-items:start;margin-bottom:24px}
.share__note{margin:14px 0 0;font-size:.82rem}
.share__actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}

/* ---------- Подвал ---------- */
.site-footer{background:var(--text);color:#f0e6db;padding:clamp(46px,6vw,76px) 0 26px;margin-top:0}
.footer__grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:clamp(22px,3vw,40px)}
.footer__logo{font-family:var(--font-display);font-size:1.15rem;font-weight:700;color:#fff;border:0;display:inline-block;margin-bottom:12px}
.footer__brand p{font-size:.92rem;color:color-mix(in srgb, #f0e6db 78%, transparent);max-width:44ch}
.footer__disclaimer{font-size:.8rem!important;opacity:.72;margin-top:10px}
.footer__title{font-family:var(--font-display);font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--brand-2);margin:0 0 12px}
.footer__links{display:grid;gap:8px}
.footer__links a{border:0;color:#f0e6db;font-size:.92rem;opacity:.9}
.footer__links a:hover{color:var(--brand-2);opacity:1}
.footer__bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:clamp(30px,4vw,50px);padding-top:18px;border-top:1px solid color-mix(in srgb, #f0e6db 18%, transparent);font-size:.8rem;color:color-mix(in srgb, #f0e6db 70%, transparent)}

/* ---------- Появление блоков ---------- */
html.js .reveal{opacity:0;transform:translateY(14px)}
html.js .reveal.in{opacity:1;transform:none;transition:opacity .55s var(--ease-out),transform .55s var(--ease-out)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  html.js .reveal{opacity:1;transform:none}
  .btn,.rail__nav a,.radio,.faq__item summary::after{transition:none}
}

/* ---------- Адаптив ---------- */
@media (max-width:1080px){
  .hero__inner,.calc__grid,.cta__grid,.contacts__grid,.example,.share__grid{grid-template-columns:1fr}
  .cta__form{position:static}
  .hero__badge{left:14px}
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:900px){
  .rail{position:sticky;inset:0 0 auto 0;width:auto;height:auto;flex-direction:column;padding:12px clamp(16px,4vw,24px);border-right:0;border-bottom:1px solid var(--border);max-height:none}
  .rail__bar{width:100%}
  .burger{display:flex}
  .rail__panel{display:none}
  .rail.is-open .rail__panel{display:block}
  .rail__nav{flex-direction:column;margin:18px 0 0}
  .rail__nav a{border-left:0;border-radius:var(--radius-1);padding:11px 12px}
  .rail__nav a.is-active{border-left:0;background:color-mix(in srgb, var(--brand) 10%, transparent)}
  .rail__foot{margin-top:18px;padding-top:18px;border-top:1px solid var(--border)}
  .page{padding-top:0;margin-left:0}
}

@media (max-width:640px){
  .footer__grid{grid-template-columns:1fr}
  .hero__facts > div{grid-template-columns:1fr;gap:2px}
  .result__row{flex-direction:column;gap:2px}
  .result__row dd{text-align:left}
  .ptable thead{display:none}
  .ptable tr{display:block;border-bottom:1px solid var(--border)}
  .ptable td{display:block;border:0;padding:6px 16px}
  .ptable td:first-child{padding-top:14px;font-weight:600}
  .ptable td:last-child{padding-bottom:14px}
  .ptable__val{font-size:1.05rem}
}

/* --- Стили для блоков, оставшихся без оформления --- */
/* ===== Подвал: колонки ===== */
.footer__col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3, 12px);
  min-width: 0;
}

.footer__col > p {
  margin: 0;
  font-size: var(--step--1, 0.875rem);
  line-height: 1.6;
  color: color-mix(in srgb, #f0e6db 78%, transparent);
}

.footer__col .footer__title {
  margin: 0;
  font-size: var(--step-0, 1rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--brand-2, #d98a4a);
}

.footer__col .footer__links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2, 8px);
}

.footer__col .footer__links a {
  font-size: var(--step--1, 0.875rem);
  line-height: 1.5;
  color: #f0e6db;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease-out, ease), border-color 0.18s var(--ease-out, ease);
}

.footer__col .footer__links a:hover,
.footer__col .footer__links a:focus-visible {
  color: var(--brand-2, #d98a4a);
  border-bottom-color: color-mix(in srgb, var(--brand, #b45309) 45%, transparent);
}

@media (max-width: 720px) {
  .footer__col {
    gap: var(--space-2, 8px);
  }
}

/* ===== Первый экран: текстовая колонка ===== */
.hero__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4, 16px);
  max-width: 58ch;
  min-width: 0;
}

.hero__text > :first-child {
  margin-top: 0;
}

.hero__text > :last-child {
  margin-bottom: 0;
}

.hero__text .lead,
.hero__text > p {
  margin: 0;
  font-size: clamp(1rem, 0.82rem + 0.5vw, 1.15rem);
  line-height: 1.55;
  color: var(--muted, #6f6a63);
}

.hero__text .btn {
  margin-top: var(--space-2, 8px);
}

/* ===== Калькулятор ===== */
.calc {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5, 24px);
  padding: clamp(20px, 3vw, 34px);
  background: var(--surface, #ffffff);
  border: 1px solid var(--border, #e7e2da);
  border-radius: var(--radius-2, 16px);
  box-shadow: var(--shadow-1, 0 1px 2px rgba(28, 25, 23, 0.06));
}

.calc > h2,
.calc > h3 {
  margin: 0;
  font-size: clamp(1.15rem, 1rem + 0.7vw, 1.6rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text, #1c1917);
}

.calc > p {
  margin: 0;
  color: var(--muted, #6f6a63);
  line-height: 1.55;
}

@media (max-width: 560px) {
  .calc {
    padding: var(--space-4, 16px);
    gap: var(--space-4, 16px);
  }
}

/* ===== Блок с цифрами ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-4, 16px);
}

.stats > * {
  display: flex;
  flex-direction: column;
  gap: var(--space-1, 4px);
  padding: var(--space-4, 16px);
  background: var(--surface, #ffffff);
  border: 1px solid var(--border, #e7e2da);
  border-radius: var(--radius-2, 16px);
}

.stats > * > strong,
.stats > * > b,
.stats > * > .stats__value {
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.25rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--brand, #b45309);
}

.stats > * > span,
.stats > * > small {
  font-size: var(--step--1, 0.875rem);
  line-height: 1.45;
  color: var(--muted, #6f6a63);
}

/* ===== Методика расчёта ===== */
.method {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-4, 16px);
}

.method > * {
  display: flex;
  flex-direction: column;
  gap: var(--space-2, 8px);
  padding: var(--space-5, 24px);
  background: var(--surface-2, #f7f4ef);
  border: 1px solid var(--border, #e7e2da);
  border-radius: var(--radius-2, 16px);
}

.method > * > h3,
.method > * > h4 {
  margin: 0;
  font-size: var(--step-1, 1.125rem);
  line-height: 1.25;
  color: var(--text, #1c1917);
}

.method > * > p {
  margin: 0;
  font-size: var(--step--1, 0.875rem);
  line-height: 1.6;
  color: var(--muted, #6f6a63);
}

@media (max-width: 560px) {
  .method > * {
    padding: var(--space-4, 16px);
  }
}

/* ===== Вопросы и ответы ===== */
.faq {
  display: grid;
  gap: var(--space-3, 12px);
  max-width: 980px;
}

.faq > * {
  background: var(--surface, #ffffff);
  border: 1px solid var(--border, #e7e2da);
  border-radius: var(--radius-2, 16px);
  overflow: hidden;
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3, 12px);
  padding: var(--space-4, 16px) var(--space-5, 24px);
  font-size: var(--step-0, 1rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--text, #1c1917);
  cursor: pointer;
  list-style: none;
  transition: background 0.18s var(--ease-out, ease);
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary:hover {
  background: var(--surface-2, #f7f4ef);
}

.faq[open] summary,
.faq > *[open] summary {
  color: var(--brand, #b45309);
}

@media (max-width: 560px) {
  .faq summary {
    padding: var(--space-3, 12px) var(--space-4, 16px);
  }
}

/* ===== Призыв к действию ===== */
.cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5, 24px);
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--radius-3, 20px);
  background:
    radial-gradient(65% 130% at 100% 0%,
      color-mix(in srgb, var(--brand, #b45309) 14%, transparent),
      transparent 70%),
    var(--surface-2, #f7f4ef);
  border: 1px solid color-mix(in srgb, var(--brand, #b45309) 24%, var(--border, #e7e2da));
  box-shadow: var(--shadow-2, 0 6px 24px rgba(28, 25, 23, 0.08));
}

.cta__text {
  flex: 1 1 320px;
  min-width: 0;
  max-width: 62ch;
}

.cta__text > h2,
.cta__text > h3 {
  margin: 0 0 var(--space-2, 8px);
  font-size: clamp(1.35rem, 1.1rem + 1.3vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text, #1c1917);
}

.cta__text > p {
  margin: 0;
  font-size: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  line-height: 1.55;
  color: var(--muted, #6f6a63);
}

.cta__text > *:last-child {
  margin-bottom: 0;
}

@media (max-width: 640px) {
  .cta {
    flex-direction: column;
    align-items: stretch;
    text-align: left;
  }

  .cta .btn,
  .cta > .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ===== Страница расчёта по ссылке ===== */
.share {
  display: grid;
  gap: var(--space-5, 24px);
}

.share > .wrap {
  display: grid;
  gap: var(--space-5, 24px);
  min-width: 0;
}

.share h1 {
  max-width: 24ch;
  margin: 0;
}

.share .lead {
  max-width: 60ch;
  color: var(--muted, #6f6a63);
  line-height: 1.55;
}

@media (max-width: 640px) {
  .share {
    gap: var(--space-4, 16px);
  }

  .share > .wrap {
    gap: var(--space-4, 16px);
  }
}

/* ===== Индикатор синхронизации ===== */
.sync {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2, 8px);
  padding: var(--space-1, 4px) var(--space-3, 12px);
  font-size: var(--step--1, 0.875rem);
  line-height: 1.4;
  color: var(--muted, #6f6a63);
  background: var(--surface-2, #f7f4ef);
  border: 1px solid var(--border, #e7e2da);
  border-radius: var(--radius-pill, 999px);
  white-space: nowrap;
}

.sync::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand, #b45309);
  animation: sg-sync-pulse 1.6s var(--ease-out, ease-in-out) infinite;
}

.sync__value,
.sync strong {
  color: var(--text, #1c1917);
  font-weight: 600;
}

@keyframes sg-sync-pulse {
  0%, 100% {
    opacity: 0.35;
    transform: scale(0.85);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sync::before {
    animation: none;
    opacity: 0.8;
    transform: none;
  }
}

/* --- Недостающие дизайн-токены (значения из theme.css платформы) --- */
:root{
  --font-sans: "Segoe UI", system-ui, -apple-system, "Inter", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --radius-2: 16px;
  --radius-1: 10px;
  --container: 1160px;
  --radius-3: 22px;
  --radius-pill: 999px;
  --font-size-base: var(--step-0, clamp(1rem, .96rem + .2vw, 1.125rem));
  --line-height: 1.6;
}