/* Дизайн-система — общий core для всех landing-страниц.
   Используется в uk.html, sosed.html, raschet.html, expert.html, help-now.html. */

:root{
  --ink:#0F1A2E;
  --ink-2:#1B2A44;
  --ink-soft:#3A4A66;
  --mute:#6E7A8F;
  --line:#E6DFD3;
  --line-strong:#D6CDBC;
  --canvas:#F5F0E6;
  --canvas-2:#EFE8DA;
  --paper:#FBF8F1;
  --accent:#B8412B;
  --accent-deep:#8E2E1E;
  --gold:#A88654;
  --ok:#2F6B4A;
}

*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--canvas);
  color:var(--ink);
  font-family:'Manrope',system-ui,sans-serif;
  font-size:16px;line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}

.wrap{max-width:1240px;margin:0 auto;padding:0 32px;}
@media (max-width:760px){ .wrap{padding:0 20px;} }

.display{
  font-family:'Newsreader',Georgia,serif;
  font-weight:500;letter-spacing:-0.02em;line-height:1.02;color:var(--ink);
}
.eyebrow{
  font-family:'JetBrains Mono','SFMono-Regular',monospace;
  font-size:11px;letter-spacing:0.18em;text-transform:uppercase;
  color:var(--mute);display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{
  content:"";width:24px;height:1px;background:var(--ink);opacity:.6;
}
h2.section-title{
  font-family:'Newsreader',Georgia,serif;font-weight:500;
  font-size:clamp(34px,4.4vw,56px);line-height:1.04;letter-spacing:-0.02em;
  margin:0;color:var(--ink);
}
h2.section-title em{font-style:italic;color:var(--accent-deep);font-weight:500;}
.section-sub{
  margin:20px 0 0;max-width:640px;font-size:17px;line-height:1.55;color:var(--ink-soft);
}

/* NAV */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(245,240,230,.85);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-row{display:flex;align-items:center;gap:32px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:36px;height:36px;border-radius:50%;background:var(--ink);
  display:grid;place-items:center;color:var(--canvas);position:relative;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{
  font-family:'Newsreader',serif;font-size:19px;font-weight:500;
  letter-spacing:-0.01em;line-height:1;color:var(--ink);
}
.brand-text small{
  display:block;font-family:'JetBrains Mono',monospace;font-size:9.5px;
  letter-spacing:0.16em;text-transform:uppercase;color:var(--mute);
  margin-top:4px;font-weight:400;
}
.nav-links{display:flex;gap:28px;margin-left:auto;}
.nav-links a{font-size:14px;color:var(--ink-soft);font-weight:500;transition:color .2s;}
.nav-links a:hover{color:var(--accent);}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;
  background:var(--ink);color:var(--canvas);
  font-size:13.5px;font-weight:600;letter-spacing:0.005em;
  transition:transform .2s,background .2s;
}
.nav-cta:hover{background:var(--accent);}
@media(max-width:900px){.nav-links{display:none;}}

/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:18px 28px;border-radius:999px;
  font-weight:600;font-size:15px;letter-spacing:0.005em;
  transition:transform .15s,background .2s,box-shadow .2s;
  line-height:1;border:1px solid transparent;
}
.btn-primary{
  background:var(--ink);color:var(--canvas);
  box-shadow:0 1px 0 rgba(0,0,0,.04),0 8px 24px -10px rgba(15,26,46,.4);
}
.btn-primary:hover{background:var(--accent);}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-secondary:hover{background:var(--ink);color:var(--canvas);}
.btn-accent{
  background:var(--accent);color:#fff;
  box-shadow:0 1px 0 rgba(0,0,0,.04),0 8px 24px -10px rgba(184,65,43,.4);
}
.btn-accent:hover{background:var(--accent-deep);}

/* SECTIONS */
section{padding:96px 0;}
@media(max-width:760px){section{padding:64px 0;}}
.section-paper{background:var(--paper);}

/* FOOTER */
.foot{
  border-top:1px solid var(--line);background:var(--paper);padding:48px 0 64px;
}
.foot-row{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;
  font-size:14px;color:var(--ink-soft);
}
.foot a{color:var(--accent-deep);}
.foot a:hover{text-decoration:underline;}

/* PRODUCT HERO */
.phero{padding:80px 0 100px;}
.phero-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;}
@media(max-width:980px){.phero-grid{grid-template-columns:1fr;gap:40px;}.phero{padding:48px 0 60px;}}
.phero h1{
  font-family:'Newsreader',Georgia,serif;font-weight:500;
  font-size:clamp(40px,5vw,68px);line-height:1;letter-spacing:-0.025em;
  margin:24px 0 0;color:var(--ink);
}
.phero h1 em{font-style:italic;color:var(--accent-deep);font-weight:500;}
.phero-lede{
  max-width:520px;font-size:18px;line-height:1.55;color:var(--ink-soft);margin:26px 0 0;
}
.phero-price{
  display:flex;align-items:baseline;gap:14px;margin:36px 0 0;
  font-family:'Newsreader',serif;
}
.phero-price .num{font-size:64px;font-weight:500;line-height:1;letter-spacing:-0.02em;color:var(--ink);}
.phero-price .num em{font-style:italic;color:var(--accent-deep);}
.phero-price .cur{font-size:24px;color:var(--ink-soft);}
.phero-price .strike{font-size:18px;color:var(--mute);text-decoration:line-through;margin-left:12px;}
.phero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin:36px 0 0;}
.phero-meta{
  display:flex;gap:24px;flex-wrap:wrap;margin:32px 0 0;
  font-size:13.5px;color:var(--ink-soft);
}
.phero-meta span{display:inline-flex;align-items:center;gap:8px;}
.phero-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);}

/* FEATURES */
.features-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:1px;background:var(--line-strong);
  border:1px solid var(--line-strong);border-radius:20px;overflow:hidden;
}
.feature-cell{
  background:var(--canvas);padding:36px 32px;position:relative;
}
.feature-cell .fmark{
  width:40px;height:40px;display:grid;place-items:center;
  color:var(--accent-deep);margin-bottom:18px;font-size:24px;
}
.feature-cell h3{
  font-family:'Newsreader',serif;font-weight:500;
  font-size:22px;line-height:1.2;letter-spacing:-0.01em;
  margin:0 0 10px;
}
.feature-cell p{
  margin:0;font-size:14.5px;color:var(--ink-soft);line-height:1.55;
}
.feature-cell .fnum{
  position:absolute;top:24px;right:28px;
  font-family:'JetBrains Mono',monospace;font-size:10.5px;
  letter-spacing:0.18em;color:var(--mute);
}

/* COMPARE TABLE */
.compare-table{
  border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--canvas);
}
.compare-row{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;border-top:1px solid var(--line);
}
.compare-row:first-child{border-top:0;}
.compare-cell{
  padding:22px 28px;font-size:15px;border-left:1px solid var(--line);
  display:flex;align-items:center;color:var(--ink-soft);
}
.compare-cell:first-child{border-left:0;color:var(--ink);font-weight:500;}
.compare-row.head .compare-cell{
  background:var(--paper);padding:24px 28px;
  font-family:'Newsreader',serif;font-weight:500;
  font-size:18px;color:var(--ink);letter-spacing:-0.01em;
}
.compare-row.head .compare-cell:nth-child(2){color:var(--accent-deep);}
.compare-row.our .compare-cell{background:var(--paper);color:var(--ink);font-weight:600;}
.compare-row.our .compare-cell:nth-child(2){color:var(--accent);font-size:18px;}
@media(max-width:760px){.compare-row{grid-template-columns:1fr;}.compare-cell{border-left:0;border-top:1px solid var(--line);}.compare-cell:first-child{border-top:0;}}

/* FINAL CTA */
.final-cta{background:var(--ink);color:var(--canvas);padding:96px 0;}
.final-cta h2{
  font-family:'Newsreader',serif;font-weight:500;
  font-size:clamp(34px,4.4vw,56px);line-height:1.04;letter-spacing:-0.02em;
  margin:0 0 24px;color:var(--canvas);
}
.final-cta h2 em{font-style:italic;color:#E8A88B;}
.final-cta p{max-width:560px;font-size:17px;line-height:1.55;color:rgba(245,240,230,.7);margin:0 0 36px;}
.final-cta .btn-primary{background:var(--accent);color:#fff;}
.final-cta .btn-primary:hover{background:var(--accent-deep);}
.final-cta .btn-secondary{color:var(--canvas);border-color:rgba(245,240,230,.3);}
.final-cta .btn-secondary:hover{background:var(--canvas);color:var(--ink);}

/* BACK LINK */
.back-link{
  font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:0.16em;
  text-transform:uppercase;color:var(--mute);margin-bottom:20px;
  display:inline-flex;gap:8px;align-items:center;transition:color .2s;
}
.back-link:hover{color:var(--accent);}