/* ============================================================
   dtflab — enhance.css  (v6.0)
   Подключается ПОСЛЕ site.css. Ничего не ломает, только усиливает.
   ============================================================ */

:root{
  --font-display:"Manrope",Inter,-apple-system,Segoe UI,Arial,sans-serif;
  --font-body:"Inter",-apple-system,Segoe UI,Arial,sans-serif;
  --cmyk:linear-gradient(90deg,var(--blue) 0 25%,var(--pink) 25% 50%,var(--yellow) 50% 75%,#101522 75% 100%);
  --ease:cubic-bezier(.2,.7,.25,1);
}

body{font-family:var(--font-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,.btn,.hero-path strong,.stat-card strong,.reviews-summary-score{font-family:var(--font-display)}
h1,h2{letter-spacing:-.03em}

/* ---------- 1. Доступность и фокус ---------- */
:where(a,button,summary,input,select,textarea):focus-visible{
  outline:2px solid var(--blue);outline-offset:3px;border-radius:6px;
}
.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:#101522;color:#fff;padding:10px 16px;border-radius:0 0 10px 0;font-weight:700}
.skip-link:focus{left:0}

/* ---------- 2. Шапка: тень при скролле + бургер ---------- */
.site-header{transition:box-shadow .25s var(--ease),background .25s var(--ease)}
.site-header.is-stuck{box-shadow:0 8px 28px rgba(16,21,34,.08)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--cmyk);opacity:0;transition:opacity .3s}
.site-header.is-stuck::after{opacity:1}
.main-nav a{position:relative}
.main-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:#101522;transition:right .28s var(--ease)}
.main-nav a:hover::after{right:0}

.nav-toggle{display:none;width:44px;height:44px;border:1px solid #e1e6ee;border-radius:10px;background:#fff;cursor:pointer;padding:0;place-items:center}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";display:block;width:18px;height:2px;background:#101522;border-radius:2px;transition:transform .25s var(--ease),opacity .2s}
.nav-toggle span::before{position:absolute;transform:translateY(-6px)}
.nav-toggle span::after{position:absolute;transform:translateY(6px)}
.nav-toggle span{position:relative}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:rotate(-45deg)}

/* ---------- 3. Кнопки и карточки: микро-интеракции ---------- */
.btn{transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s}
.btn:hover{transform:translateY(-2px)}
.btn-dark:hover{box-shadow:0 16px 30px rgba(12,17,28,.26)}
.btn:active{transform:translateY(0)}
.card{transition:transform .25s var(--ease),box-shadow .25s var(--ease)}

/* ---------- 4. Появление при скролле ---------- */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
[data-reveal].is-in{opacity:1;transform:none}
[data-reveal-stagger]>*{opacity:0;transform:translateY(16px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
[data-reveal-stagger].is-in>*{opacity:1;transform:none}
[data-reveal-stagger].is-in>*:nth-child(1){transition-delay:.04s}
[data-reveal-stagger].is-in>*:nth-child(2){transition-delay:.10s}
[data-reveal-stagger].is-in>*:nth-child(3){transition-delay:.16s}
[data-reveal-stagger].is-in>*:nth-child(4){transition-delay:.22s}
[data-reveal-stagger].is-in>*:nth-child(5){transition-delay:.28s}
[data-reveal-stagger].is-in>*:nth-child(6){transition-delay:.34s}

/* ---------- 5. Герой: загрузка и «дыхание» рулона ---------- */
.hero-copy>*{animation:riseIn .7s var(--ease) both}
.hero-copy>*:nth-child(2){animation-delay:.07s}
.hero-copy>*:nth-child(3){animation-delay:.14s}
.hero-copy>*:nth-child(4){animation-delay:.21s}
@keyframes riseIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

.hero-visual{position:relative;isolation:isolate}
.hero-roll-img{animation:floatRoll 7s ease-in-out infinite;will-change:transform}
@keyframes floatRoll{0%,100%{transform:translateY(0) rotate(0deg)}50%{transform:translateY(-10px) rotate(-.5deg)}}
/* CMYK-подсветка за рулоном */
.hero-visual::before{
  content:"";position:absolute;inset:8% 6%;z-index:-1;border-radius:50%;
  background:radial-gradient(closest-side,rgba(0,174,239,.16),transparent 70%),
             radial-gradient(closest-side,rgba(236,0,140,.13),transparent 70%);
  background-position:30% 40%,70% 60%;background-size:70% 70%,70% 70%;background-repeat:no-repeat;
  filter:blur(18px);animation:auraShift 12s ease-in-out infinite alternate;
}
@keyframes auraShift{to{background-position:60% 30%,35% 70%}}

.hero-path{position:relative;overflow:hidden}
.hero-path::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--cmyk);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.hero-path:hover::after{transform:scaleX(1)}
.hero-path-primary::after{opacity:.9}

/* ---------- 6. Бегущая строка (лента преимуществ) ---------- */
.ticker{margin-top:var(--section-gap);background:#101722;border-radius:var(--card-radius);overflow:hidden;position:relative}
.ticker::before,.ticker::after{content:"";position:absolute;top:0;bottom:0;width:70px;z-index:2;pointer-events:none}
.ticker::before{left:0;background:linear-gradient(90deg,#101722,transparent)}
.ticker::after{right:0;background:linear-gradient(270deg,#101722,transparent)}
.ticker-track{display:flex;width:max-content;animation:tickerMove 38s linear infinite}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-item{display:flex;align-items:center;gap:12px;padding:14px 26px;color:#fff;font-size:13px;font-weight:800;letter-spacing:.02em;white-space:nowrap;text-transform:uppercase}
.ticker-item i{width:7px;height:7px;border-radius:50%;display:block;flex:0 0 auto}
.ticker-item:nth-child(4n+1) i{background:var(--blue)}
.ticker-item:nth-child(4n+2) i{background:var(--pink)}
.ticker-item:nth-child(4n+3) i{background:var(--yellow)}
.ticker-item:nth-child(4n+4) i{background:#fff}
@keyframes tickerMove{to{transform:translateX(-50%)}}

/* ---------- 7. Секция «Как это работает» ---------- */
.steps-section{padding-top:var(--section-gap)}
.steps-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--card-radius);box-shadow:var(--shadow);padding:32px}
.steps-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.steps-head h2{margin:0;font-size:28px}
.steps-head p{margin:0;color:var(--muted);font-size:15px;max-width:460px}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}
.step{position:relative;padding:22px 22px 22px 24px;border:1px solid #eaeef4;border-radius:14px;background:#fbfcfe;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s}
.step:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(16,24,40,.07);border-color:#dbe2ec}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;top:18px;right:20px;font-family:var(--font-display);font-size:34px;font-weight:800;line-height:1;color:#eef1f6}
.step-mark{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-size:17px;margin-bottom:14px;background:#101722;color:#fff}
.step:nth-child(1) .step-mark{background:var(--blue)}
.step:nth-child(2) .step-mark{background:var(--pink)}
.step:nth-child(3) .step-mark{background:#101722}
.step strong{display:block;font-family:var(--font-display);font-size:16px;margin-bottom:7px}
.step p{margin:0;font-size:13.5px;line-height:1.5;color:#5c6675}
.step-note{display:inline-block;margin-top:12px;font-size:12px;font-weight:800;color:#101722;border-bottom:2px solid var(--yellow)}

/* ---------- 8. Примеры работ: правильный кроп + ховер ---------- */
.works-grid{grid-template-columns:repeat(4,1fr)}
.work-item{height:auto!important;aspect-ratio:3/4;position:relative;isolation:isolate}
.work-item img{transition:transform .55s var(--ease)}
.work-item:hover img{transform:scale(1.06)}
.work-item::after{
  content:attr(data-caption);position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;
  color:#fff;font-size:12px;font-weight:800;line-height:1.3;
  background:linear-gradient(0deg,rgba(9,12,20,.82),transparent);
  opacity:0;transform:translateY(8px);transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.work-item:hover::after{opacity:1;transform:none}
.card-head a{color:#667085;font-weight:800;font-size:13px;display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.card-head a:hover{color:#101522}
.card-head span{transition:transform .2s var(--ease);display:inline-block}
.card-head a:hover span{transform:translateX(4px)}

/* ---------- 9. Полоса статистики ---------- */
.stat-card{position:relative;transition:background .25s}
.stat-card:hover{background:#fbfcfe}
.stat-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--blue);transform:scaleY(0);transform-origin:bottom;transition:transform .3s var(--ease)}
.stat-card:nth-child(2)::before{background:var(--pink)}
.stat-card:nth-child(3)::before{background:var(--yellow)}
.stat-card:nth-child(4)::before{background:#101722}
.stat-card:hover::before{transform:scaleY(1)}

/* ---------- 10. Калькулятор цены ---------- */
.calc-section{padding-top:56px}
.calc-card{background:#101722;color:#fff;border-radius:20px;padding:34px;display:grid;grid-template-columns:1fr 340px;gap:34px;align-items:center;position:relative;overflow:hidden}
.calc-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--cmyk)}
.calc-card h2{margin:0 0 10px;font-size:30px;color:#fff}
.calc-card p{margin:0;color:#9aa5b6;font-size:15px;line-height:1.5;max-width:440px}
.calc-legend{display:flex;gap:22px;margin-top:20px;flex-wrap:wrap}
.calc-legend div{font-size:12px;color:#9aa5b6}
.calc-legend strong{display:block;font-family:var(--font-display);font-size:17px;color:#fff;margin-bottom:3px}
.calc-box{background:#182131;border:1px solid #26314a;border-radius:16px;padding:22px}
.calc-box label{display:block;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.09em;color:#8b97aa;margin-bottom:10px}
.calc-row{display:flex;align-items:center;gap:12px}
.calc-range{flex:1;-webkit-appearance:none;appearance:none;height:5px;border-radius:99px;background:#2b3750;outline:none}
.calc-range::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--blue);border:3px solid #fff;cursor:pointer;box-shadow:0 3px 10px rgba(0,0,0,.4)}
.calc-range::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:var(--blue);border:3px solid #fff;cursor:pointer}
.calc-val{min-width:78px;text-align:right;font-family:var(--font-display);font-weight:800;font-size:18px}
.calc-total{margin-top:20px;padding-top:18px;border-top:1px dashed #2b3750;display:flex;align-items:baseline;justify-content:space-between}
.calc-total span{font-size:13px;color:#8b97aa}
.calc-total b{font-family:var(--font-display);font-size:32px;letter-spacing:-.03em}
.calc-cta{margin-top:16px;width:100%;background:#fff;color:#101722;min-height:48px;border-radius:10px}
.calc-cta:hover{box-shadow:0 14px 28px rgba(255,255,255,.16)}

/* ---------- 11. Требования к макетам ---------- */
.specs-section{padding-top:56px}
.specs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--section-gap)}
.spec{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:24px}
.spec-key{font-family:var(--font-display);font-size:26px;font-weight:800;letter-spacing:-.03em;margin-bottom:8px}
.spec strong{display:block;font-size:14px;margin-bottom:6px}
.spec p{margin:0;font-size:13px;line-height:1.5;color:var(--muted)}
.spec:nth-child(1) .spec-key{color:var(--blue)}
.spec:nth-child(2) .spec-key{color:var(--pink)}
.spec:nth-child(3) .spec-key{color:#c9a400}
.spec:nth-child(4) .spec-key{color:#101722}

/* ---------- 12. FAQ: плавное раскрытие ---------- */
.faq-item{transition:box-shadow .25s var(--ease),border-color .25s}
.faq-item:hover{border-color:#d9e0ea}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-item summary::after{content:"";width:11px;height:11px;flex:0 0 auto;border-right:2.5px solid #101522;border-bottom:2.5px solid #101522;transform:rotate(45deg) translateY(-3px);transition:transform .3s var(--ease)}
.faq-item[open] summary::after{transform:rotate(-135deg) translateY(-2px)}
.faq-item[open]>p{animation:riseIn .35s var(--ease) both}

/* ---------- 13. Отзывы ---------- */
.testimonial-card{transition:transform .28s var(--ease),box-shadow .28s var(--ease)}
.testimonial-card:hover{transform:translateY(-4px);box-shadow:0 22px 44px rgba(16,24,40,.09)}
.reviews-summary{position:relative;overflow:hidden}
.reviews-summary::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--cmyk);background-size:100% 400%}

/* ---------- 14. Контакты и подвал ---------- */
.contact-methods{display:flex;gap:10px;flex-wrap:wrap}
.contact-chip{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid #e1e6ee;border-radius:10px;font-size:14px;font-weight:700;background:#fff;transition:transform .18s var(--ease),border-color .18s}
.contact-chip:hover{transform:translateY(-2px);border-color:#101722}
.footer-inner{flex-wrap:wrap;row-gap:10px}
.footer-legal{color:#8b95a5;font-size:11.5px;line-height:1.5;max-width:760px;margin-top:12px}

/* ---------- 15. Липкая кнопка на мобильных ---------- */
.mobile-cta{display:none;position:fixed;left:12px;right:12px;bottom:12px;z-index:40;gap:8px}
.mobile-cta .btn{flex:1;min-height:52px;font-size:14px;box-shadow:0 12px 30px rgba(12,17,28,.3)}
.mobile-cta .btn-light{background:#fff;border:1px solid #dfe5ed}

/* ---------- 16. Адаптив ---------- */
@media (max-width:1200px){
  .calc-card{grid-template-columns:1fr}
  .specs-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:1fr}
  .works-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .nav-toggle{display:grid}
  .header-inner{grid-template-columns:auto 1fr;align-items:center;gap:12px}
  .brand img{width:150px}
  .main-nav,.header-actions{
    grid-column:1/-1;display:none;width:100%;
  }
  .site-header.nav-open .main-nav{display:grid;gap:2px;margin:8px 0 0}
  .site-header.nav-open .main-nav a{padding:12px 2px;border-bottom:1px solid #eef1f5;font-size:16px}
  .site-header.nav-open .header-actions{display:grid;gap:10px;margin:12px 0 6px}
  .site-header.nav-open .header-actions .btn{width:100%}
  .site-header.nav-open .header-ready-link{display:block;padding:8px 0}
  .nav-toggle{justify-self:end;grid-row:1;grid-column:2}
  .brand{grid-row:1;grid-column:1}
  .mobile-cta{display:flex}
  body:has(.mobile-cta) main{padding-bottom:92px}
  .specs-grid{grid-template-columns:1fr}
  .works-grid{grid-template-columns:repeat(2,1fr)}
  .work-item{aspect-ratio:1/1}
  .steps-wrap{padding:22px}
  .calc-card{padding:24px}
  .calc-card h2{font-size:24px}
  .ticker-item{font-size:11.5px;padding:12px 18px}
}

/* ---------- 17. Уважение к prefers-reduced-motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  [data-reveal],[data-reveal-stagger]>*{opacity:1!important;transform:none!important}
}


/* ---------- 18. Тарифная сетка и цены (builder / ready) ---------- */
.tier-strip{display:grid;gap:4px;margin-top:12px;padding-top:12px;border-top:1px dashed #e3e8ef}
.tier-strip span{font-size:11.5px;color:#7a8496;line-height:1.35}
.tier-strip span:last-child{color:#0d1320;font-weight:800}
.price-saved{color:#09b476;font-weight:800}
.price-hint{color:#00849c;font-weight:700}
.price-note-line{display:block;margin-top:10px;font-size:12px;line-height:1.45;color:#667085}

/* ---------- 19. Тарифные карточки в калькуляторе ---------- */
.tier-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0 14px}
.tier-card{padding:14px 14px 12px;border:1px solid #26314a;border-radius:13px;background:#161f2f;transition:border-color .25s var(--ease),background .25s var(--ease),transform .25s var(--ease)}
.tier-card.is-active{border-color:var(--blue);background:#132436;transform:translateY(-2px)}
.tier-card b{display:block;font-family:var(--font-display);font-size:21px;letter-spacing:-.03em;color:#fff;line-height:1}
.tier-card span{display:block;font-size:11px;color:#8b97aa;margin-top:4px}
.tier-card small{display:block;font-size:11.5px;font-weight:800;color:var(--blue);margin-top:9px;text-transform:uppercase;letter-spacing:.07em}
.calc-fine{font-size:12.5px!important;color:#7a8496!important;line-height:1.5}
.calc-rate-row{display:flex;align-items:baseline;justify-content:space-between;margin-top:16px;font-size:13px;color:#8b97aa}
.calc-rate-row b{font-family:var(--font-display);font-size:16px;color:#fff}
.calc-save{margin:12px 0 0;font-size:12.5px;line-height:1.45;color:#5fd6a4;font-weight:700}
.calc-save[hidden]{display:none}

/* ---------- 20. Блок доверия ---------- */
.trust-section{padding-top:56px}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--section-gap)}
.trust-item{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:24px;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.trust-item:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(16,24,40,.08)}
.trust-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;background:#101722;color:#fff;font-family:var(--font-display);font-weight:800;font-size:14px;margin-bottom:14px}
.trust-item:nth-child(1) .trust-icon{background:var(--blue)}
.trust-item:nth-child(2) .trust-icon{background:#09b476}
.trust-item:nth-child(3) .trust-icon{background:var(--pink)}
.trust-item strong{display:block;font-family:var(--font-display);font-size:15px;margin-bottom:8px;line-height:1.25}
.trust-item p{margin:0;font-size:13px;line-height:1.55;color:#5c6675}
.trust-item a{color:#0d1320;border-bottom:1.5px solid var(--yellow)}

/* отзывы без выдуманного рейтинга */
.reviews-top{align-items:center}
.testimonial-card{min-height:auto;gap:20px;padding:28px 28px 26px}
.testimonial-card p{font-size:16px;line-height:1.62}
.testimonial-author span{font-size:13px}

@media (max-width:1200px){.trust-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.trust-grid,.tier-cards{grid-template-columns:1fr}.tier-cards{gap:8px}}