/* =====================================================
   Cold Room — site_04_holod_kamery
   Clean, sterile. Manrope 400/700.
   Teal #0891B2, white, light gray #F1F5F9.
   Cards: glassmorphism light on pale bg. Cold teal hero.
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&display=swap');

:root {
  --teal:       #0891B2;
  --teal-dark:  #0E7490;
  --teal-deep:  #164E63;
  --teal-light: #CFFAFE;
  --teal-pale:  #ECFEFF;
  --slate-50:   #F8FAFC;
  --slate-100:  #F1F5F9;
  --slate-200:  #E2E8F0;
  --white:      #FFFFFF;
  --ink:        #0F172A;
  --ink-soft:   #1E293B;
  --steel:      #475569;
  --muted:      #64748B;
  --success:    #10B981;
  --danger:     #EF4444;

  --font: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --r-sm: 6px; --r: 12px; --r-lg: 18px; --r-xl: 26px;
  --sh-sm: 0 2px 10px rgba(8,145,178,.06);
  --sh:    0 4px 20px rgba(8,145,178,.10), 0 2px 8px rgba(15,23,42,.04);
  --sh-lg: 0 12px 36px rgba(8,145,178,.14), 0 4px 12px rgba(15,23,42,.06);
  --sh-teal: 0 4px 18px rgba(8,145,178,.35);
  --sh-teal-lg: 0 8px 28px rgba(8,145,178,.45);
  --dur: 220ms; --ease: cubic-bezier(.4,0,.2,1); --w: 1200px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{font-family:var(--font);font-size:16px;line-height:1.65;color:var(--ink-soft);background:var(--white);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--teal-dark)}
ul{list-style:none}
button{font-family:var(--font)}

h1,h2,h3,h4{font-family:var(--font);line-height:1.12;color:var(--ink);letter-spacing:-0.02em}
h1{font-size:clamp(32px,5vw,56px);font-weight:700}
h2{font-size:clamp(26px,3.8vw,42px);font-weight:700;margin-bottom:14px}
h3{font-size:clamp(15px,1.7vw,19px);font-weight:600}
.section-title{text-align:center}
.section-subtitle{text-align:center;color:var(--steel);font-size:17px;max-width:680px;margin:0 auto 56px;line-height:1.6}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 24px}
section{padding:96px 0}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:var(--r);font-family:var(--font);font-weight:600;font-size:15px;line-height:1;border:none;cursor:pointer;text-decoration:none;transition:all var(--dur) var(--ease);white-space:nowrap}
.btn-primary{background:var(--teal);color:#fff;box-shadow:var(--sh-teal)}
.btn-primary:hover{background:var(--teal-dark);color:#fff;box-shadow:var(--sh-teal-lg);transform:translateY(-1px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(10px)}
.btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff}
.btn-outline{background:transparent;color:var(--teal);border:1.5px solid var(--teal)}
.btn-outline:hover{background:var(--teal);color:#fff}
.btn-lg{padding:18px 40px;font-size:16px;border-radius:var(--r-lg)}
.btn-block{width:100%}

/* HEADER */
.site-header{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--slate-200);transition:box-shadow var(--dur) var(--ease)}
.site-header.scrolled{box-shadow:0 2px 20px rgba(8,145,178,.08)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.logo__mark{width:40px;height:40px;border-radius:var(--r);background:linear-gradient(135deg,#0891B2,#164E63);display:grid;place-items:center;color:#fff;font-weight:700;font-size:17px;box-shadow:0 3px 12px rgba(8,145,178,.30);flex-shrink:0;transition:transform var(--dur) var(--ease)}
.logo:hover .logo__mark{transform:scale(1.06)}
.logo__text{display:flex;flex-direction:column;line-height:1.2}
.logo__name{font-weight:700;font-size:14px;color:var(--ink);letter-spacing:-0.02em}
.logo__tag{font-size:11px;color:var(--muted)}
.header-nav{display:flex;gap:24px;flex:1;justify-content:center}
.header-nav a{color:var(--ink-soft);font-weight:500;font-size:14px;padding:4px 0;position:relative}
.header-nav a::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--teal);border-radius:1px;transform:scaleX(0);transition:transform var(--dur) var(--ease);transform-origin:left}
.header-nav a:hover{color:var(--teal)}
.header-nav a:hover::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:14px;flex-shrink:0}
.header-phone{display:flex;flex-direction:column;align-items:flex-end;text-decoration:none;gap:2px}
.header-phone__num{font-weight:700;font-size:16px;color:var(--ink);letter-spacing:-0.025em;transition:color var(--dur) var(--ease)}
.header-phone:hover .header-phone__num{color:var(--teal)}
.header-phone__hint{font-size:11px;color:var(--muted)}
.burger{display:none;background:none;border:1.5px solid var(--slate-200);border-radius:var(--r-sm);width:38px;height:38px;align-items:center;justify-content:center;color:var(--ink);cursor:pointer;transition:all var(--dur) var(--ease)}
.burger:hover{border-color:var(--teal);color:var(--teal)}
.mobile-menu{display:none;position:fixed;top:68px;left:0;right:0;bottom:0;background:#fff;z-index:800;padding:32px 24px;flex-direction:column;gap:8px;overflow-y:auto}
.mobile-menu.is-open{display:flex}
.mobile-menu a{display:block;padding:14px 0;font-size:18px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--slate-100)}
.mobile-menu a:hover{color:var(--teal)}
.mobile-menu .btn{margin-top:16px}

/* HERO — cold teal gradient */
.hero{padding:100px 0 120px;background:radial-gradient(ellipse 65% 55% at 80% 20%,rgba(8,145,178,.35) 0%,transparent 55%),radial-gradient(ellipse 45% 40% at 5% 80%,rgba(22,78,99,.40) 0%,transparent 50%),linear-gradient(155deg,#051821 0%,#0C3042 45%,#0E4D6E 100%);color:#fff;overflow:hidden;position:relative}
.hero::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(8,145,178,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(8,145,178,.07) 1px,transparent 1px);background-size:50px 50px;mask-image:radial-gradient(ellipse 70% 70% at 50% 50%,#000 20%,transparent 70%)}
.hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--teal),transparent);opacity:.6}
.hero__grid{display:grid;grid-template-columns:1.2fr 0.8fr;align-items:center;gap:64px;position:relative;z-index:1}
.hero__badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;background:rgba(8,145,178,.15);border:1px solid rgba(8,145,178,.35);border-radius:40px;font-size:11px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:#67E8F9;margin-bottom:28px}
.hero__badge .dot{width:6px;height:6px;border-radius:50%;background:#22D3EE;box-shadow:0 0 0 3px rgba(34,211,238,.25);animation:dot-pulse 2.2s ease-in-out infinite}
@keyframes dot-pulse{0%,100%{box-shadow:0 0 0 3px rgba(34,211,238,.25)}50%{box-shadow:0 0 0 6px rgba(34,211,238,.08)}}
.hero h1{color:#fff;margin-bottom:20px}
.hero h1 span{color:#67E8F9}
.hero__sub{font-size:17px;color:rgba(255,255,255,.72);line-height:1.65;max-width:540px;margin-bottom:40px}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:52px}
.hero__metrics{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(8,145,178,.20);padding-top:32px;max-width:520px}
.hero__metric-item{padding-right:24px}
.hero__metric-item:not(:first-child){padding-left:24px;border-left:1px solid rgba(255,255,255,.10)}
.hero__metric-num{font-size:30px;font-weight:700;color:#67E8F9;line-height:1;letter-spacing:-0.03em}
.hero__metric-label{font-size:12px;color:rgba(255,255,255,.50);margin-top:6px}
.hero__visual{position:relative;display:flex;align-items:center;justify-content:center}
.hero__visual svg{width:100%;max-width:420px;filter:drop-shadow(0 20px 48px rgba(8,145,178,.25));animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.hero__visual-ring{position:absolute;border-radius:50%;border:1px solid rgba(8,145,178,.15);animation:ring-pulse 4s ease-in-out infinite}
.hero__visual-ring:nth-child(1){width:180px;height:180px;animation-delay:0s}
.hero__visual-ring:nth-child(2){width:300px;height:300px;animation-delay:.9s}
.hero__visual-ring:nth-child(3){width:420px;height:420px;animation-delay:1.8s}
@keyframes ring-pulse{0%,100%{opacity:.25}50%{opacity:.55}}

/* PAINS — glassmorphism light on teal-pale */
.pains{background:var(--teal-pale);border-top:1px solid var(--teal-light);border-bottom:1px solid var(--teal-light)}
.pains__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.pain{background:rgba(255,255,255,.75);border-radius:var(--r-lg);padding:28px 24px;border:1px solid rgba(8,145,178,.12);backdrop-filter:blur(12px);box-shadow:0 2px 12px rgba(8,145,178,.06);transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),background var(--dur) var(--ease)}
.pain:hover{background:rgba(255,255,255,.95);box-shadow:var(--sh);transform:translateY(-3px)}
.pain__icon{width:44px;height:44px;border-radius:var(--r);background:var(--teal-light);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--teal);margin-bottom:16px;transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}
.pain:hover .pain__icon{background:var(--teal);color:#fff}
.pain h3{font-size:14px;font-weight:600;margin-bottom:8px}
.pain p{font-size:13px;color:var(--steel);line-height:1.6}

/* SERVICES */
.services{background:#fff}
.services__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.service{background:rgba(255,255,255,.8);border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(8,145,178,.12);backdrop-filter:blur(8px);box-shadow:var(--sh-sm);transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease),border-color var(--dur) var(--ease);display:flex;flex-direction:column}
.service:hover{box-shadow:var(--sh-lg);transform:translateY(-4px);border-color:rgba(8,145,178,.3)}
.service__visual{aspect-ratio:16/9;background:var(--teal-pale);overflow:hidden;display:flex;align-items:center;justify-content:center}
.service__visual img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.service:hover .service__visual img{transform:scale(1.04)}
.service__visual svg{width:72px;height:72px;color:var(--teal-light);transition:color var(--dur) var(--ease)}
.service:hover .service__visual svg{color:var(--teal)}
.service__body{padding:22px 20px;display:flex;flex-direction:column;flex:1}
.service__body h3{font-size:15px;margin-bottom:8px}
.service__desc{font-size:13px;color:var(--steel);line-height:1.6;margin-bottom:14px}
.service__features{display:flex;flex-direction:column;gap:5px;margin-bottom:18px;flex:1}
.service__features li{font-size:13px;color:var(--steel);padding-left:16px;position:relative}
.service__features li::before{content:'';position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--teal)}
.service__footer{display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid rgba(8,145,178,.08)}
.service__price{font-size:13px;color:var(--steel)}
.service__price strong{font-size:15px;color:var(--ink);font-weight:700}
.service__btn{font-size:13px;font-weight:600;color:var(--teal);display:flex;align-items:center;gap:4px;transition:gap var(--dur) var(--ease)}
.service__btn:hover{color:var(--teal-dark);gap:8px}

/* ADVANTAGES */
.advantages{background:var(--teal-pale)}
.advantages__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.advantage{background:rgba(255,255,255,.80);border-radius:var(--r-lg);padding:30px 26px;border:1px solid rgba(8,145,178,.12);backdrop-filter:blur(12px);box-shadow:var(--sh-sm);transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease)}
.advantage:hover{box-shadow:var(--sh);transform:translateY(-3px);background:rgba(255,255,255,.95)}
.advantage__num{font-size:40px;font-weight:700;color:var(--teal);letter-spacing:-0.04em;line-height:1;margin-bottom:10px}
.advantage h3{font-size:15px;margin-bottom:6px}
.advantage p{font-size:13px;color:var(--steel);line-height:1.6}

/* STEPS */
.steps{background:#fff}
.steps__list{display:grid;grid-template-columns:repeat(5,1fr);position:relative;counter-reset:step}
.steps__list::before{content:'';position:absolute;top:28px;left:calc(10% + 14px);right:calc(10% + 14px);height:1px;background:linear-gradient(90deg,var(--teal-light),var(--teal));opacity:.5}
.step{display:flex;flex-direction:column;align-items:center;text-align:center;padding:0 12px;position:relative;z-index:1;counter-increment:step}
.step::before{content:counter(step);width:56px;height:56px;border-radius:50%;background:#fff;border:2px solid var(--slate-200);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;color:var(--muted);margin-bottom:20px;transition:all 300ms var(--ease);flex-shrink:0}
.step:hover::before{border-color:var(--teal);color:var(--teal);background:var(--teal-pale);box-shadow:0 0 0 5px rgba(8,145,178,.08)}
.step h3{font-size:14px;font-weight:600;margin-bottom:6px}
.step p{font-size:13px;color:var(--steel);line-height:1.6}

/* PORTFOLIO */
.portfolio{background:var(--teal-pale)}
.portfolio__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.portfolio-item{background:rgba(255,255,255,.85);border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(8,145,178,.12);backdrop-filter:blur(8px);box-shadow:var(--sh-sm);transition:box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease)}
.portfolio-item:hover{box-shadow:var(--sh-lg);transform:translateY(-4px)}
.portfolio-item__visual{aspect-ratio:16/9;background:var(--teal-light);overflow:hidden;position:relative;display:flex;align-items:center;justify-content:center}
.portfolio-item__visual img{width:100%;height:100%;object-fit:cover;transition:transform 500ms var(--ease)}
.portfolio-item:hover .portfolio-item__visual img{transform:scale(1.05)}
.portfolio-item__visual svg{width:60px;height:60px;color:rgba(8,145,178,.3)}
.portfolio-item__label{position:absolute;top:12px;left:12px;background:rgba(15,23,42,.65);color:#fff;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 10px;border-radius:var(--r-sm);backdrop-filter:blur(8px)}
.portfolio-item__body{padding:18px 22px}
.portfolio-item__body h3{font-size:14px;margin-bottom:5px}
.portfolio-item__meta{font-size:12px;color:var(--steel);margin-bottom:8px}
.portfolio-item__result{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--success)}
.portfolio-item__result::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--success)}

/* REVIEWS */
.reviews{background:#fff}
.reviews__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review{background:var(--teal-pale);border-radius:var(--r-lg);padding:28px;border:1px solid rgba(8,145,178,.12);transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease)}
.review:hover{border-color:rgba(8,145,178,.3);box-shadow:var(--sh)}
.review__stars{color:#F59E0B;font-size:14px;letter-spacing:2px;margin-bottom:12px}
.review__text{font-size:14px;color:var(--steel);line-height:1.7;margin-bottom:18px}
.review__author{display:flex;align-items:center;gap:12px}
.review__avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--teal-deep));display:grid;place-items:center;color:#fff;font-weight:700;font-size:14px;flex-shrink:0}
.review__meta strong{font-size:14px;color:var(--ink);font-weight:600;display:block}
.review__meta span{font-size:12px;color:var(--muted)}

/* FORM */
.form-section{background:linear-gradient(155deg,#051821 0%,#0C3042 45%,#0E4D6E 100%);padding:96px 0;position:relative;overflow:hidden}
.form-section::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(8,145,178,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(8,145,178,.06) 1px,transparent 1px);background-size:44px 44px}
.form-section__grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;position:relative;z-index:1}
.form-section__text h2{color:#fff;margin-bottom:16px}
.form-section__lead{color:rgba(255,255,255,.68);font-size:16px;line-height:1.7;margin-bottom:32px}
.form-section__perks{display:flex;flex-direction:column;gap:10px}
.form-section__perks li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.80)}
.form-section__perks li::before{content:'';width:18px;height:18px;border-radius:50%;flex-shrink:0;background:rgba(8,145,178,.15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='%2322D3EE' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E") no-repeat center/10px;border:1px solid rgba(8,145,178,.4)}
.form-card{background:#fff;border-radius:var(--r-xl);padding:36px;box-shadow:0 24px 56px rgba(0,0,0,.25)}
.form-card h3{font-size:21px;margin-bottom:6px}
.form-card__sub{font-size:14px;color:var(--steel);margin-bottom:28px}
.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.form-group label{font-size:13px;font-weight:600;color:var(--ink-soft)}
.form-group input,.form-group textarea{padding:12px 16px;border:1.5px solid var(--slate-200);border-radius:var(--r);font-family:var(--font);font-size:15px;color:var(--ink);background:#fff;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);outline:none;width:100%}
.form-group input:focus,.form-group textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(8,145,178,.12)}
.form-group input.error{border-color:var(--danger)}
.form-group textarea{resize:vertical;min-height:88px}
.form-policy{margin-top:12px;font-size:12px;color:var(--muted);text-align:center}
.form-policy a{color:var(--steel);text-decoration:underline}

/* FAQ */
.faq{background:var(--teal-pale)}
.faq__list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:8px}
.faq-item{background:rgba(255,255,255,.80);border:1px solid rgba(8,145,178,.10);border-radius:var(--r-lg);overflow:hidden;backdrop-filter:blur(8px);transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease)}
.faq-item.is-open{border-color:rgba(8,145,178,.3);background:#fff}
.faq-item__q{width:100%;background:none;border:none;padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;font-size:15px;font-weight:600;color:var(--ink);cursor:pointer;transition:color var(--dur) var(--ease)}
.faq-item__q:hover,.faq-item.is-open .faq-item__q{color:var(--teal)}
.faq-item__q::after{content:'';width:20px;height:20px;flex-shrink:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none'%3E%3Cpath d='M5 7.5L10 12.5L15 7.5' stroke='%2364748B' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center/contain;transition:transform 250ms var(--ease)}
.faq-item.is-open .faq-item__q::after{transform:rotate(180deg)}
.faq-item__a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease)}
.faq-item__a-inner{padding:0 22px 18px;font-size:14px;color:var(--steel);line-height:1.7}

/* SEO */
.seo-text{background:#fff;border-top:1px solid var(--slate-100);padding:64px 0}
.seo-text__inner{max-width:820px;margin:0 auto}
.seo-text__inner h2{font-size:clamp(18px,2.2vw,26px);margin-bottom:22px}
.seo-text__inner p{font-size:14px;color:var(--steel);line-height:1.8;margin-bottom:14px}

/* FOOTER */
.site-footer{background:var(--ink);color:rgba(255,255,255,.6);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-col h4{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.footer-col p{font-size:13px;color:rgba(255,255,255,.45);line-height:1.7}
.footer-col a{display:block;font-size:13px;color:rgba(255,255,255,.50);padding:4px 0;transition:color var(--dur) var(--ease)}
.footer-col a:hover{color:var(--teal)}
.footer-contacts{display:flex;flex-direction:column;gap:8px}
.footer-contacts li{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:rgba(255,255,255,.50)}
.footer-contacts i{margin-top:3px;color:var(--teal);font-size:12px;flex-shrink:0}
.footer-contacts a{display:inline;padding:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:12px;color:rgba(255,255,255,.30)}
.footer-bottom a{color:rgba(255,255,255,.30);font-size:12px}
.footer-bottom a:hover{color:var(--teal)}

/* POPUP */
.popup-overlay{position:fixed;inset:0;background:rgba(15,23,42,.6);backdrop-filter:blur(4px);z-index:1000;display:none;align-items:center;justify-content:center;padding:20px}
.popup-overlay.is-open{display:flex}
.popup{background:#fff;border-radius:var(--r-xl);padding:40px 36px;max-width:420px;width:100%;text-align:center;position:relative;box-shadow:0 32px 64px rgba(0,0,0,.25);animation:popup-in 300ms ease-out}
@keyframes popup-in{from{opacity:0;transform:scale(.94) translateY(12px)}to{opacity:1;transform:scale(1) translateY(0)}}
.popup__close{position:absolute;top:14px;right:14px;background:var(--slate-100);border:none;width:30px;height:30px;border-radius:50%;font-size:18px;cursor:pointer;color:var(--steel);display:grid;place-items:center;transition:all var(--dur) var(--ease)}
.popup__close:hover{background:var(--slate-200)}
.popup__icon{font-size:40px;margin-bottom:12px}
.popup__title{font-size:22px;margin-bottom:10px}
.popup__text{font-size:14px;color:var(--steel);line-height:1.6;margin-bottom:24px}
.popup__btn{width:100%}
.popup__note{margin-top:10px;font-size:12px;color:var(--muted)}

/* MESSENGER */
.messenger-buttons{position:fixed;bottom:28px;right:24px;display:flex;flex-direction:column;gap:10px;z-index:700}
.messenger-btn{width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;text-decoration:none;font-size:11px;font-weight:700;box-shadow:var(--sh-lg);transition:transform var(--dur) var(--ease)}
.messenger-btn:hover{transform:scale(1.1) translateY(-2px);color:#fff}
.messenger-btn--tg{background:#29A9EB}
.messenger-btn--max{background:var(--teal-deep)}
.messenger-btn svg{width:22px;height:22px}

/* REVEAL */
.reveal{opacity:0;transform:translateY(22px);transition:opacity 560ms var(--ease),transform 560ms var(--ease)}
.reveal.is-visible{opacity:1;transform:translateY(0)}
[data-delay="1"]{transition-delay:80ms}
[data-delay="2"]{transition-delay:160ms}
[data-delay="3"]{transition-delay:240ms}
[data-delay="4"]{transition-delay:320ms}
[data-delay="5"]{transition-delay:400ms}
.scroll-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--teal-deep),var(--teal));z-index:1000;width:0%;transition:width .1s linear}

@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.steps__list{grid-template-columns:1fr 1fr;gap:28px}.steps__list::before{display:none}}
@media(max-width:900px){.hero__grid{grid-template-columns:1fr}.hero__visual{display:none}.services__grid{grid-template-columns:repeat(2,1fr)}.pains__grid{grid-template-columns:repeat(2,1fr)}.advantages__grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){section{padding:64px 0}.header-nav{display:none}.header-cta .btn{display:none}.burger{display:flex}.form-section__grid{grid-template-columns:1fr;gap:40px}.reviews__grid{grid-template-columns:1fr}.portfolio__grid{grid-template-columns:1fr}}
@media(max-width:640px){.services__grid{grid-template-columns:1fr}.pains__grid{grid-template-columns:1fr}.advantages__grid{grid-template-columns:1fr}.steps__list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;gap:24px}}