@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--navy:#163a5f;--navy2:#214f79;--blue:#2b74c7;--sky:#eaf4ff;--ink:#172b42;--muted:#687b90;--line:#e2eaf1;--surface:#f6f9fc;--white:#fff;--green:#138a68;--shadow:0 14px 40px rgba(25,61,95,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font-family:Manrope,Arial,sans-serif;font-size:15px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.container{width:min(1160px,calc(100% - 44px));margin:0 auto}.site-header{border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}.header-inner{height:82px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:11px;font-size:22px;font-weight:800;letter-spacing:-.8px;line-height:1.05}.brand-mark{display:grid;place-items:center;width:43px;height:43px;border-radius:13px;background:var(--navy);color:#fff;font-size:25px;box-shadow:0 7px 16px #163a5f2c}.brand-accent{color:var(--blue)}.brand small{display:block;color:#8090a0;font-size:9px;font-weight:600;letter-spacing:.5px;margin-top:5px}.main-nav{display:flex;align-items:center;gap:32px;color:#52667c;font-size:13px;font-weight:700}.main-nav a:hover,.footer-links a:hover{color:var(--blue)}.menu-toggle{display:none;border:0;background:var(--sky);border-radius:10px;padding:8px 12px;color:var(--navy)}.hero{position:relative;overflow:hidden;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;min-height:395px;margin-top:30px;padding:56px 70px;border-radius:25px;background:linear-gradient(115deg,#f0f7ff 0%,#f8fbff 56%,#e7f2ff 100%)}.eyebrow{display:block;color:var(--blue);font-size:10px;font-weight:800;letter-spacing:1.7px;margin-bottom:13px}.hero h1{font-size:clamp(34px,4vw,50px);line-height:1.16;letter-spacing:-2px;margin:0 0 19px;font-weight:800}.hero h1 em{font-style:normal;color:var(--blue)}.hero-copy>p{max-width:490px;color:#63788d;font-size:15px;margin:0 0 23px}.hero-points{display:flex;flex-wrap:wrap;gap:13px;color:#49647d;font-size:11px;font-weight:700}.hero-points span:first-letter{color:var(--green)}.hero-art{height:280px;position:relative;display:flex;align-items:center;justify-content:center}.art-orb{position:absolute;width:245px;height:245px;background:#d7eaff;border-radius:50%;right:26px;top:18px}.art-card{position:absolute;z-index:1;border:1px solid #ffffffc9;box-shadow:0 24px 50px #17446b20;border-radius:18px}.art-card-back{right:0;top:12px;width:124px;height:135px;background:#2d7ed0;color:#fff;font-size:56px;font-weight:800;display:flex;flex-direction:column;align-items:center;justify-content:center;transform:rotate(9deg)}.art-card-back small{font-size:11px;font-weight:600}.art-card-front{left:18px;top:40px;width:250px;padding:18px;background:#fff;transform:rotate(-5deg)}.art-top{display:flex;gap:5px}.art-top span{width:6px;height:6px;border-radius:50%;background:#d4e3f2}.art-number{font-size:27px;font-weight:800;letter-spacing:-1px;text-align:right;padding:23px 0 18px}.art-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.art-grid i{display:grid;place-items:center;background:#f1f6fb;border-radius:6px;height:32px;font-style:normal;font-weight:700;color:#446582}.art-grid i:nth-child(4n){background:#e3f1ff;color:#2873c5}.search-section{position:relative;max-width:760px;margin:-1px auto 0;padding:30px 0 10px}.search-section>label{display:block;text-align:center;font-size:17px;font-weight:800;margin-bottom:14px}.search-box{display:flex;align-items:center;gap:12px;border:1px solid #dce7f1;border-radius:13px;padding:6px 14px;background:#fff;box-shadow:0 8px 25px #1c47730a}.search-box>span{font-size:27px;color:var(--blue)}.search-box input{width:100%;height:43px;border:0;outline:0;color:var(--ink);background:transparent}.search-box kbd{white-space:nowrap;background:#f3f6fa;border:1px solid #e7edf3;border-radius:6px;padding:4px 7px;font-size:10px;color:#8190a0}.search-results{position:absolute;z-index:10;top:100%;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow);overflow:hidden}.search-result{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:13px 17px;border-bottom:1px solid #edf1f5}.search-result:last-child{border:0}.search-result:hover{background:#f4f9ff}.search-result strong,.search-result small{display:block}.search-result small{font-size:11px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:650px}.search-result>b{color:var(--blue)}.no-results{padding:20px;color:var(--muted)}.section{padding:65px 0 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:25px}.section-heading h2,.info-banner h2{margin:0;font-size:28px;line-height:1.25;letter-spacing:-.8px}.section-heading .eyebrow{margin-bottom:7px}.section-heading>p,.muted{max-width:370px;color:var(--muted);font-size:12px;margin:0 0 4px}.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.category-card{display:flex;flex-direction:column;align-items:flex-start;min-height:218px;padding:21px 18px;border:1px solid var(--line);border-radius:15px;transition:.2s;background:#fff}.category-card:hover,.tool-card:hover{border-color:#b6d4f3;transform:translateY(-3px);box-shadow:var(--shadow)}.category-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:12px;background:#eaf4ff;color:#2a76c4;font-size:24px;font-weight:800;margin-bottom:17px}.icon-finance{background:#e7f8f1;color:#168561}.icon-construction{background:#fff3e4;color:#cb8430}.icon-date{background:#f1eaff;color:#8457c9}.icon-converters{background:#e5f8fa;color:#188b9a}.icon-finansy{background:#e7f8f1;color:#168561}.icon-nalogi{background:#fff3e4;color:#cb8430}.icon-data-i-vremya{background:#f1eaff;color:#8457c9}.icon-matematika{background:#eaf4ff;color:#2a76c4}.icon-konvertery{background:#e5f8fa;color:#188b9a}.icon-stroitelstvo{background:#fff3e4;color:#cb8430}.icon-avto{background:#eaf4ff;color:#2a76c4}.icon-rabota-i-zarplata{background:#e7f8f1;color:#168561}.icon-generatory{background:#f1eaff;color:#8457c9}.icon-zdorove{background:#e7f8f1;color:#168561}.icon-tekst-i-dannye{background:#e5f8fa;color:#188b9a}.icon-spravochnik{background:#f1eaff;color:#8457c9}.icon-instrumenty{background:#eef2f6;color:#52667c}.category-title{font-size:14px;font-weight:800;line-height:1.35}.category-desc{font-size:11px;color:var(--muted);line-height:1.55;margin-top:8px}.category-link{display:flex;justify-content:space-between;align-items:center;gap:8px;width:100%;margin-top:auto;padding-top:15px;font-size:10px;color:var(--blue);font-weight:800}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.tool-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;min-height:183px;padding:20px;border:1px solid var(--line);border-radius:15px;transition:.2s;background:#fff}.tool-symbol{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#f0f6fc;color:var(--blue);font-weight:800;margin-bottom:12px}.tool-card-title{font-size:13px;font-weight:800}.tool-card-desc{font-size:11px;line-height:1.55;color:var(--muted);margin-top:7px;padding-right:8px}.tool-arrow{position:absolute;right:17px;bottom:17px;color:var(--blue);font-size:19px}.info-banner{display:flex;align-items:center;justify-content:space-between;gap:30px;margin:65px 0 70px;padding:34px 40px;border-radius:18px;background:#f1f7fd}.info-banner h2{font-size:24px}.info-banner p{max-width:570px;margin:10px 0 0;color:var(--muted);font-size:12px}.banner-checks{display:grid;gap:9px;min-width:220px;color:#45637d;font-size:12px;font-weight:700}.banner-checks span:first-letter{color:var(--green)}.site-footer{background:#f7f9fc;border-top:1px solid var(--line)}.footer-main{display:flex;align-items:center;gap:28px;padding:32px 0 24px}.footer-brand{font-size:19px}.footer-brand .brand-mark{width:37px;height:37px;font-size:22px}.footer-main>p{font-size:11px;color:var(--muted);margin-right:auto}.footer-links{display:flex;gap:18px;font-size:11px;color:#61758a;font-weight:700}.footer-bottom{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding:16px 0 20px;color:#8493a3;font-size:10px}.breadcrumbs{display:flex;align-items:center;gap:9px;padding:25px 0 20px;color:#8191a2;font-size:11px}.breadcrumbs a{color:var(--blue)}.page-intro{padding:18px 0 30px}.page-intro h1{font-size:clamp(30px,4vw,42px);line-height:1.2;letter-spacing:-1.4px;margin:0 0 12px}.page-intro p{max-width:750px;color:var(--muted);margin:0}.calculator-intro{padding-bottom:27px}.calculator-layout{display:grid;grid-template-columns:1fr .86fr;gap:20px;align-items:stretch}.calculator-panel,.result-panel{border:1px solid var(--line);border-radius:18px;padding:27px;background:#fff}.panel-heading,.result-heading{display:flex;align-items:center;gap:13px;margin-bottom:24px}.panel-icon,.result-icon{display:grid;place-items:center;width:43px;height:43px;border-radius:12px;background:#eaf4ff;color:var(--blue);font-size:22px;font-weight:800}.panel-heading h2,.result-heading h2{font-size:17px;margin:0;letter-spacing:-.3px}.panel-heading p,.result-heading p{font-size:11px;color:var(--muted);margin:3px 0 0}.calc-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.form-field{display:flex;flex-direction:column;gap:7px;min-width:0}.form-field label{font-size:11px;font-weight:800;color:#425a72}.form-field input,.form-field select{width:100%;height:45px;border:1px solid #dce5ee;border-radius:9px;background:#fbfdff;padding:0 12px;outline:0;color:var(--ink);font-size:13px}.form-field input:focus,.form-field select:focus{border-color:#71a9e4;box-shadow:0 0 0 3px #2b74c71a}.btn{display:inline-flex;align-items:center;justify-content:center;gap:13px;border:0;border-radius:10px;padding:12px 18px;font-size:12px;font-weight:800;cursor:pointer;transition:.18s}.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:#235781}.btn-wide{grid-column:1/-1;width:100%;height:48px;margin-top:3px}.btn-wide span{font-size:18px}.btn-secondary{background:#eaf4ff;color:var(--blue);margin-top:17px}.privacy-note{grid-column:1/-1;font-size:10px;color:#8796a6;text-align:center;margin:-5px 0 0}.result-panel{background:#f8fbfe}.result-icon{background:#e1f7ef;color:#138a68}.result-placeholder{display:flex;flex-direction:column;align-items:center;text-align:center;padding:20px 15px 25px}.placeholder-graphic{display:grid;place-items:center;width:110px;height:100px;margin:5px 0 15px;border-radius:24px;background:linear-gradient(135deg,#e4f1ff,#f0f7ff);color:#4387c9;font-size:28px;font-weight:800;transform:rotate(-4deg)}.result-placeholder p{max-width:270px;color:var(--muted);font-size:11px}.result-list{display:grid;gap:0}.result-row{display:flex;align-items:flex-start;justify-content:space-between;gap:15px;padding:13px 0;border-bottom:1px solid #e4edf5}.result-row span{font-size:11px;color:#63788d}.result-row strong{font-size:14px;text-align:right;overflow-wrap:anywhere}.result-row:first-child strong{color:var(--blue);font-size:18px}.formula-box{margin-top:20px;padding:15px;border:1px dashed #cadceb;border-radius:10px;background:#fff}.formula-box span{font-size:9px;letter-spacing:1px;color:#8294a7;font-weight:800}.formula-box p{font-size:11px;color:#45617b;margin:5px 0 0}.alert-error{padding:13px 15px;background:#fff0f0;color:#a63838;border:1px solid #f3d1d1;border-radius:9px;font-size:12px}.content-section{max-width:850px;padding:48px 0 18px}.content-section h2{font-size:21px;letter-spacing:-.4px;margin:22px 0 9px}.content-section p,.content-section li{font-size:13px;line-height:1.85;color:#5c7085}.content-section ol{padding-left:22px}.related-section{padding:25px 0 65px}.related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.related-links a{display:flex;justify-content:space-between;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;padding:15px;font-size:12px;font-weight:700}.related-links a span{color:var(--blue)}.related-links a:hover{background:#f5faff;border-color:#b6d4f3}.category-tools{padding-bottom:75px}.not-found{text-align:center;padding:90px 0}.not-found>div{font-size:100px;font-weight:800;color:#dceaf8;line-height:1}.not-found h1{font-size:32px}.not-found p{color:var(--muted);margin-bottom:25px}

/* Этап 48: общий поиск и визуально разные блоки навигации между калькуляторами */
.search-section-global{max-width:850px;margin:0 auto 18px;padding:28px 0 12px}
.search-section-global>label{text-align:left;font-size:14px;margin-bottom:9px}
.search-section-global .search-box{box-shadow:0 5px 18px rgba(25,61,95,.05)}
.search-section-global .search-results{top:calc(100% - 2px)}
.related-section>.section-heading{margin-bottom:18px}
.related-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
.related-card{display:flex;align-items:flex-start;gap:13px;min-width:0;padding:17px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:border-color .18s,transform .18s,box-shadow .18s}
.related-card:hover{border-color:#b6d4f3;transform:translateY(-2px);box-shadow:var(--shadow)}
.related-card-icon{display:grid;place-items:center;flex:0 0 38px;height:38px;border-radius:11px;background:#edf5fd;color:var(--blue);font-size:20px;font-weight:800}
.related-card-copy,.next-step-copy{display:block;min-width:0;flex:1}
.related-card-copy strong,.next-step-copy strong{display:block;font-size:12px;line-height:1.45;color:var(--ink)}
.related-card-copy small,.next-step-copy small{display:block;margin-top:5px;font-size:10px;line-height:1.55;color:var(--muted)}
.related-card-arrow{color:var(--blue);font-size:18px;font-weight:800}
.next-step-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:center;margin-top:25px;padding:25px;border-radius:18px;background:linear-gradient(125deg,#edf6ff,#f5f9fe);border:1px solid #dceafa}
.next-step-intro .eyebrow{margin-bottom:7px}
.next-step-intro h2{font-size:23px;line-height:1.25;letter-spacing:-.6px;margin:0 0 8px}
.next-step-intro p{font-size:11px;line-height:1.7;color:#5e748a;margin:0}
.next-step-list{display:grid;gap:10px}
.next-step-item{display:flex;align-items:center;gap:12px;padding:13px 14px;background:#fff;border:1px solid #e0eaf4;border-radius:12px;transition:border-color .18s,transform .18s}
.next-step-item:hover{border-color:#a8cbed;transform:translateX(2px)}
.next-step-number{display:grid;place-items:center;flex:0 0 30px;height:30px;border-radius:9px;background:var(--navy);color:#fff;font-size:12px;font-weight:800}
.next-step-arrow{color:var(--blue);font-size:19px;font-weight:800}
@media(max-width:700px){.search-section-global{padding-top:20px;margin-bottom:8px}.search-section-global>label{text-align:left}.related-cards{grid-template-columns:1fr}.next-step-panel{grid-template-columns:1fr;gap:16px;padding:19px}.next-step-intro h2{font-size:21px}.related-card{padding:14px}}
@media(max-width:1000px){.hero{padding:45px 38px}.category-grid{grid-template-columns:repeat(3,1fr)}.tool-grid{grid-template-columns:repeat(3,1fr)}.category-card{min-height:200px}.main-nav{gap:18px}.footer-main{flex-wrap:wrap}.footer-main>p{flex:1}.footer-links{width:100%;padding-left:50px}}
@media(max-width:700px){.container{width:min(100% - 30px,560px)}.header-inner{height:70px}.brand{font-size:20px}.brand-mark{width:39px;height:39px}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:15px;right:15px;top:64px;flex-direction:column;align-items:stretch;gap:0;padding:8px;background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow)}.main-nav.nav-open{display:flex}.main-nav a{padding:12px;border-radius:7px}.main-nav a:hover{background:#f2f7fc}.hero{grid-template-columns:1fr;padding:35px 25px 20px;margin-top:16px;border-radius:18px;min-height:auto}.hero h1{font-size:36px;letter-spacing:-1.4px}.hero-copy>p{font-size:13px}.hero-points{gap:8px 12px;font-size:10px}.hero-art{height:230px;max-width:350px;width:100%;margin:0 auto}.art-orb{width:190px;height:190px;right:32px;top:22px}.art-card-front{width:220px;left:8px;top:25px;padding:14px}.art-card-back{width:100px;height:112px;right:2px;top:6px;font-size:45px}.art-number{font-size:23px;padding:18px 0 13px}.art-grid i{height:27px}.search-section{padding-top:28px}.search-section>label{font-size:15px}.search-box{gap:8px;padding:5px 10px}.search-box input{font-size:12px}.search-box kbd{display:none}.search-result small{max-width:250px}.section{padding-top:45px}.section-heading{display:block}.section-heading h2,.info-banner h2{font-size:24px}.section-heading>p,.muted{margin-top:10px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.category-card{padding:16px 14px;min-height:205px}.category-icon{width:38px;height:38px;margin-bottom:13px}.category-title{font-size:12px}.category-desc{font-size:10px}.category-link{font-size:9px}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tool-card{padding:15px;min-height:180px}.tool-card-title{font-size:12px}.tool-card-desc{font-size:10px}.info-banner{display:block;margin:45px 0;padding:26px 22px}.info-banner h2{font-size:21px}.banner-checks{margin-top:22px;min-width:0}.footer-main{display:grid;grid-template-columns:1fr;gap:13px;padding:26px 0 20px}.footer-main>p{margin:0}.footer-links{padding:0;gap:15px;flex-wrap:wrap}.footer-bottom{font-size:9px;align-items:flex-start}.breadcrumbs{flex-wrap:wrap;padding-top:20px}.page-intro h1{font-size:31px}.calculator-layout{grid-template-columns:1fr}.calculator-panel,.result-panel{padding:20px}.calc-form{gap:14px}.form-field label{font-size:10px}.form-field input,.form-field select{height:43px;padding:0 9px;font-size:12px}.result-placeholder{padding:8px 10px 15px}.placeholder-graphic{width:80px;height:75px;font-size:23px}.content-section{padding-top:30px}.content-section h2{font-size:19px}.content-section p,.content-section li{font-size:12px}.related-links{grid-template-columns:1fr}.category-tools{padding-bottom:50px}}
@media(max-width:360px){.category-grid,.tool-grid{grid-template-columns:1fr}.category-card{min-height:170px}.calc-form{grid-template-columns:1fr}.form-field{grid-column:1/-1}.hero h1{font-size:32px}}

/* Этап 49: типографика и визуальная иерархия длинных инструкций.
   Изменения ограничены справочным блоком; сетка и калькуляторная форма не затрагиваются. */
.content-section{max-width:900px;margin:28px auto 22px;padding:clamp(22px,3.2vw,42px);border:1px solid #e4edf5;border-radius:20px;background:linear-gradient(180deg,#fff 0%,#fcfdff 100%);box-shadow:0 10px 32px rgba(25,61,95,.035)}
.content-section h2{position:relative;margin:34px 0 13px;padding-top:3px;font-size:clamp(19px,2vw,23px);line-height:1.35;letter-spacing:-.55px;color:var(--navy)}
.content-section h2:first-child{margin-top:0}
.content-section h2:not(:first-child):before{content:"";display:block;width:34px;height:3px;margin:0 0 13px;border-radius:3px;background:linear-gradient(90deg,var(--blue),#9bc8f3)}
.content-section h3{margin:23px 0 9px;font-size:16px;line-height:1.45;color:#284d70}
.content-section p,.content-section li{font-size:14px;line-height:1.9;color:#526a80}
.content-section p{margin:0 0 15px;max-width:78ch}
.content-section ul,.content-section ol{display:grid;gap:9px;margin:13px 0 22px;padding-left:23px}
.content-section li{padding-left:3px}
.content-section li::marker{color:var(--blue);font-weight:800}
.content-section li strong{color:#294b6b}
.content-section .guide-fields{display:grid;grid-template-columns:minmax(130px,.34fr) minmax(0,1fr);gap:0;margin:18px 0 28px;border:1px solid #e1eaf3;border-radius:14px;overflow:hidden;background:#fff}
.content-section .guide-fields dt,.content-section .guide-fields dd{margin:0;padding:15px 17px;border-bottom:1px solid #eaf0f6;font-size:13px;line-height:1.75}
.content-section .guide-fields dt{background:#f4f8fc;color:#2e5275;font-weight:800}
.content-section .guide-fields dd{color:#566d82;min-width:0;overflow-wrap:anywhere}
.content-section .guide-fields dt:last-of-type,.content-section .guide-fields dd:last-of-type{border-bottom:0}
.content-section .guide-fields .muted{display:inline-block;margin-top:5px;font-size:12px;color:#7a8da0}
.content-section h3+ul{padding:15px 18px 15px 38px;border:1px solid #e2edf7;border-radius:12px;background:#f7fbff}
.content-section p:has(+ h3){margin-bottom:10px}
@media(max-width:700px){.content-section{margin:18px 0 15px;padding:22px 18px;border-radius:15px}.content-section h2{margin-top:28px;font-size:19px}.content-section h3{font-size:15px}.content-section p,.content-section li{font-size:13px;line-height:1.8}.content-section .guide-fields{grid-template-columns:1fr}.content-section .guide-fields dt{padding:12px 14px 5px;border-bottom:0}.content-section .guide-fields dd{padding:5px 14px 13px}.content-section .guide-fields dt:last-of-type{border-bottom:0}.content-section .guide-fields dd:last-of-type{border-bottom:1px solid #eaf0f6}}

/* Этап 50: компактная версия справочного блока по обратной связи.
   Ширина совпадает с областью калькулятора; сокращены пустоты и вертикальные интервалы. */
.content-section{max-width:none;width:100%;margin:18px 0 18px;padding:22px 26px;border-radius:16px;box-shadow:0 5px 18px rgba(25,61,95,.025)}
.content-section h2{margin:22px 0 8px;padding-top:0;font-size:clamp(18px,1.6vw,21px);line-height:1.3}
.content-section h2:first-child{margin-top:0}
.content-section h2:not(:first-child):before{width:25px;height:2px;margin-bottom:8px}
.content-section h3{margin:16px 0 7px;font-size:15px}
.content-section p,.content-section li{font-size:13px;line-height:1.7}
.content-section p{margin:0 0 10px;max-width:95ch}
.content-section ul,.content-section ol{gap:5px;margin:8px 0 14px;padding-left:21px}
.content-section .guide-fields{margin:12px 0 18px;border-radius:10px}
.content-section .guide-fields dt,.content-section .guide-fields dd{padding:10px 13px;font-size:12px;line-height:1.6}
.content-section h3+ul{padding:11px 15px 11px 34px}
@media(max-width:700px){.content-section{margin:14px 0;padding:17px 15px;border-radius:13px}.content-section h2{margin-top:19px;font-size:18px}.content-section h3{margin-top:14px;font-size:14px}.content-section p,.content-section li{font-size:12px;line-height:1.65}.content-section .guide-fields{margin:10px 0 14px}.content-section .guide-fields dt{padding:9px 12px 3px}.content-section .guide-fields dd{padding:3px 12px 10px}}

/* CalcGuide visual refresh — compact cards inspired by the approved reference.
   CSS-only layer: preserves calculator logic, content, routes and form behavior. */
:root{--navy:#0d2b52;--navy2:#17436f;--blue:#0868ed;--sky:#edf4ff;--ink:#102c51;--muted:#687b95;--line:#e3eaf4;--surface:#f7f9fd;--green:#14966a;--shadow:0 4px 14px rgba(25,55,95,.045)}
body{background:#f8faff;color:var(--ink);font-size:14px;line-height:1.55}
.container{width:min(1080px,calc(100% - 40px))}
.site-header{background:rgba(255,255,255,.96);border-bottom:1px solid #e7edf5}
.header-inner{height:66px}
.brand{font-size:21px;gap:9px;letter-spacing:-.55px}
.brand-mark{width:34px;height:34px;border-radius:9px;background:#fff;color:var(--blue);border:2px solid var(--blue);box-shadow:none;font-size:20px}
.brand small{display:none}
.main-nav{gap:24px;font-size:12px;color:#142f51}
.hero{min-height:320px;margin-top:22px;padding:40px 48px;border-radius:20px;box-shadow:0 3px 12px rgba(25,55,95,.025)}
.hero h1{font-size:clamp(30px,3.4vw,42px);letter-spacing:-1.4px}
.breadcrumbs{padding-top:20px;font-size:11px;color:#72839a}
.page-intro{margin:12px 0 20px}
.page-intro .eyebrow{display:none}
.page-intro h1{font-size:clamp(26px,2.8vw,34px);letter-spacing:-.9px;line-height:1.2;color:#102d54;margin:0 0 8px}
.page-intro p{font-size:13px;color:#5f7390;margin:0;max-width:850px}
.calculator-layout{grid-template-columns:minmax(0,1.45fr) minmax(300px,.9fr);gap:14px;align-items:stretch;margin:18px 0 14px}
.calculator-panel,.result-panel{border:1px solid #e1e8f2;border-radius:15px;background:#fff;box-shadow:0 2px 5px rgba(20,45,80,.025);padding:22px}
.panel-heading{margin-bottom:18px;gap:12px}
.panel-icon{width:36px;height:36px;border-radius:10px;background:#eaf2ff;color:var(--blue)}
.panel-heading h2,.result-heading h2{font-size:16px;letter-spacing:-.25px;color:#102e56}
.panel-heading p,.result-heading p{font-size:11px;color:#73849b}
.calc-form{gap:13px}
.form-field label{font-size:10px;font-weight:750;color:#3d526d;margin-bottom:6px}
.form-field input,.form-field select,.form-field textarea{height:42px;border:1px solid #dce5f0;border-radius:9px;background:#fff;padding:0 12px;font-size:13px;color:#173354;box-shadow:inset 0 1px 2px rgba(20,45,80,.015)}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:#7bb2ff;box-shadow:0 0 0 3px rgba(8,104,237,.09);outline:none}
.btn-primary{min-height:43px;border-radius:9px;background:#0b2f5c;box-shadow:none;font-size:12px;font-weight:800}
.btn-primary:hover{background:#124477;transform:translateY(-1px)}
.privacy-note{font-size:10px;color:#8a98aa;margin-top:1px}
.result-panel{background:linear-gradient(145deg,#f7fbff,#f1f7ff);min-height:270px}
.result-heading{align-items:center}
.result-icon{background:#e4efff;color:var(--blue);border-radius:9px}
.result-placeholder{padding:16px 12px 22px}
.placeholder-graphic{width:76px;height:76px;border-radius:50%;background:#e4efff;color:#1765cb;font-size:27px;margin-bottom:18px}
.result-placeholder p{font-size:12px;line-height:1.6;color:#687d98;max-width:230px}
.content-section{margin:14px 0;padding:22px 24px;border:1px solid #e2eaf4;border-radius:15px;background:#fff;box-shadow:0 2px 5px rgba(20,45,80,.02)}
.content-section h2{font-size:17px;line-height:1.35;letter-spacing:-.3px;color:#17385f;margin:22px 0 8px}
.content-section h2:first-child{margin-top:0}
.content-section h2:not(:first-child):before{content:none}
.content-section h3{font-size:14px;margin:15px 0 6px;color:#24486f}
.content-section p,.content-section li{font-size:12px;line-height:1.7;color:#5c7089}
.content-section p{max-width:85ch;margin-bottom:10px}
.content-section ul,.content-section ol{gap:5px;margin:8px 0 14px}
.content-section .guide-fields{grid-template-columns:minmax(145px,.34fr) minmax(0,1fr);border-radius:11px;margin:12px 0 16px}
.content-section .guide-fields dt{background:#f1f6fd;color:#2d4d72}
.content-section .guide-fields dt,.content-section .guide-fields dd{padding:11px 13px;font-size:11px;line-height:1.6}
.related-section{margin:14px 0 24px;padding:18px 20px;border:1px solid #e2eaf4;border-radius:15px;background:#fff;box-shadow:0 2px 5px rgba(20,45,80,.02)}
.related-section>.section-heading{margin-bottom:12px}
.related-section .section-heading h2{font-size:16px;color:#15345b;letter-spacing:-.3px}
.related-cards{gap:9px}
.related-card{align-items:center;gap:10px;padding:11px 12px;border-color:#e6edf5;border-radius:11px;background:#fff}
.related-card:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(25,61,95,.05)}
.related-card-icon{flex-basis:30px;height:30px;border-radius:8px;background:#eaf2ff;color:#1267df;font-size:16px}
.related-card-copy strong{font-size:11px;line-height:1.45}
.related-card-copy small{font-size:10px;line-height:1.45;margin-top:3px}
.related-card-arrow{font-size:16px;color:#244a76}
.next-step-panel{margin-top:14px;padding:18px;border-radius:14px;background:#f5f9ff;border-color:#e2ebf6}
.site-footer{margin-top:32px;background:#fff;border-top:1px solid #e4ebf4}
@media(max-width:1000px){.main-nav{gap:13px}.calculator-layout{grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr)}.hero{padding:35px}}
@media(max-width:700px){.container{width:calc(100% - 28px)}.header-inner{height:62px}.main-nav{gap:0}.hero{padding:27px 20px 18px;margin-top:14px}.hero h1{font-size:30px}.breadcrumbs{padding-top:15px}.page-intro h1{font-size:26px}.calculator-layout{grid-template-columns:1fr;gap:10px}.calculator-panel,.result-panel{padding:17px;border-radius:13px}.result-panel{min-height:220px}.content-section{padding:18px 16px;margin:11px 0;border-radius:13px}.content-section h2{font-size:16px;margin-top:18px}.content-section p,.content-section li{font-size:12px}.content-section .guide-fields{grid-template-columns:1fr}.content-section .guide-fields dt{padding:9px 11px 3px;border-bottom:0}.content-section .guide-fields dd{padding:3px 11px 10px}.related-section{padding:15px 13px;margin:11px 0 18px}.related-cards{grid-template-columns:1fr}.related-card{padding:10px}.related-card-copy small{font-size:10px}}


/* CalcGuide stage 53: compact and polished long-form financial guide */
.content-section{
  margin:12px 0 14px!important;
  padding:20px 22px!important;
  border:1px solid #e2eaf4;
  border-radius:16px;
  background:linear-gradient(180deg,#fff 0%,#fbfdff 100%);
  box-shadow:0 3px 12px rgba(27,65,105,.035);
}
.content-section h2{
  margin:18px 0 7px!important;
  padding:0!important;
  font-size:clamp(17px,1.45vw,20px)!important;
  line-height:1.35!important;
  letter-spacing:-.35px;
  color:#17385f;
}
.content-section h2:first-child{margin-top:0!important}
.content-section h2:not(:first-child):before{content:none!important;display:none!important}
.content-section h3{margin:13px 0 6px!important;font-size:14px;line-height:1.4;color:#244d77}
.content-section p,.content-section li{font-size:13px!important;line-height:1.65!important;color:#586e84}
.content-section p{max-width:100%!important;margin:0 0 9px!important}
.content-section ul,.content-section ol{gap:5px!important;margin:8px 0 13px!important;padding-left:21px}
.content-section .guide-fields{margin:10px 0 15px!important;border-radius:11px;overflow:hidden}
.content-section .guide-fields dt,.content-section .guide-fields dd{padding:9px 12px!important;font-size:12px!important;line-height:1.55!important}
.content-section .guide-fields dt{background:#f1f6fd;color:#294d73}
.content-section h3+ul{padding:10px 14px 10px 32px!important;border:1px solid #e3edf7;border-radius:11px;background:#f7fbff}
.content-section p+ h2{margin-top:17px!important}
@media(max-width:700px){
 .content-section{margin:10px 0 12px!important;padding:16px 14px!important;border-radius:13px}
 .content-section h2{font-size:17px!important;margin-top:16px!important}
 .content-section h3{margin-top:12px!important;font-size:14px}
 .content-section p,.content-section li{font-size:12px!important;line-height:1.65!important}
 .content-section .guide-fields{grid-template-columns:1fr;margin:9px 0 12px!important}
 .content-section .guide-fields dt{padding:8px 11px 2px!important;border-bottom:0}
 .content-section .guide-fields dd{padding:2px 11px 9px!important}
}


/* CalcGuide stage 55: clearer calculator guide navigation */
.content-section-guide{position:relative;overflow:visible}
.guide-nav-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 12px;padding:0 0 11px;border-bottom:1px solid #e8eef6}
.guide-nav-kicker{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:800;letter-spacing:0;color:#193b60}
.guide-nav-kicker:before{content:"";display:block;width:4px;height:22px;border-radius:4px;background:linear-gradient(180deg,#2879e8,#75b4ff)}
.guide-nav-caption{font-size:12px;color:#7b8ba0}
.guide-anchor-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0 0 22px;padding:12px;background:linear-gradient(135deg,#f5f9ff,#f9fbfe);border:1px solid #e1eaf5;border-radius:16px}
.guide-anchor-link{display:flex;align-items:center;gap:10px;min-height:46px;padding:9px 12px;border:1px solid #e2eaf4;border-radius:11px;background:#fff;color:#294967;text-decoration:none;font-size:12px;font-weight:700;line-height:1.4;box-shadow:0 2px 5px rgba(27,62,102,.035);transition:background .16s,border-color .16s,color .16s,transform .16s}
.guide-anchor-link:hover,.guide-anchor-link:focus-visible{background:#eef5ff;border-color:#b8d2f4;color:#075dcc;transform:translateY(-1px);outline:none}
.guide-anchor-link .guide-anchor-num{display:inline-grid;place-items:center;width:27px;height:27px;border-radius:8px;background:#eaf2ff;color:#1767cf;font-size:10px;font-weight:850;flex:0 0 27px}
.guide-anchor-link span:last-child{flex:1;min-width:0}
.guide-anchor-link:after{content:"↗";color:#8aa3c0;font-size:14px;font-weight:500;margin-left:auto}
.content-section-guide h2[id]{scroll-margin-top:90px;position:relative;padding-left:13px!important;border-left:3px solid #c7dcfb!important}
.content-section-guide h2[id]:not(:first-of-type){margin-top:22px!important}
.content-section-guide h2[id]+p{max-width:78ch}
@media(max-width:700px){.guide-nav-head{align-items:flex-start;flex-direction:column;gap:5px}.guide-nav-kicker{font-size:15px}.guide-nav-caption{font-size:11px}.guide-anchor-nav{grid-template-columns:minmax(0,1fr);gap:7px;padding:9px;margin-bottom:17px}.guide-anchor-link{min-height:42px;padding:8px 10px;font-size:12px}.content-section-guide h2[id]{padding-left:10px!important}.content-section-guide h2[id]:not(:first-of-type){margin-top:18px!important}}

/* Подробное объяснение формулы перед примером использования */
.content-section .formula-explanation{margin:20px 0 24px;padding:20px 22px;border:1px solid #dce8f5;border-radius:14px;background:#f8fbff}
.content-section .formula-explanation h2{margin-top:0!important}
.content-section .formula-explanation h3{margin:17px 0 8px;color:#294d73;font-size:15px}
.content-section .formula-explanation>p:first-of-type{padding:13px 15px;border-radius:9px;background:#fff;border:1px solid #e3edf8;color:#1f3d5b;overflow-wrap:anywhere}
.content-section .formula-explanation ol,.content-section .formula-explanation ul{padding-left:23px;margin:8px 0 14px}
.content-section .formula-explanation li{margin:6px 0;color:#526a81;line-height:1.75;overflow-wrap:anywhere}
.content-section .formula-explanation .muted{font-size:12px;color:#71869b}
@media(max-width:700px){.content-section .formula-explanation{padding:15px 13px;margin:15px 0 18px}.content-section .formula-explanation h3{font-size:14px}.content-section .formula-explanation li{font-size:12px}}


/* Этап 77: live countdown timer */
.countdown-live{margin:0 0 22px;padding:22px 24px;border:1px solid var(--border,#e3e8ef);border-radius:18px;background:var(--surface,#fff);box-shadow:0 8px 28px rgba(20,35,55,.05)}
.countdown-live .eyebrow{display:block;margin-bottom:12px;font-size:.75rem;font-weight:800;letter-spacing:.08em;color:var(--muted,#64748b)}
.countdown-units{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.countdown-units>div{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:16px 8px;border-radius:12px;background:var(--soft,#f5f7fa)}
.countdown-units strong{font-size:clamp(1.6rem,4vw,2.35rem);line-height:1.1;font-variant-numeric:tabular-nums;color:var(--text,#172033)}
.countdown-units span{font-size:.85rem;color:var(--muted,#64748b)}
.countdown-live p{margin:14px 0 0;color:var(--muted,#64748b);font-size:.92rem}
@media(max-width:520px){.countdown-live{padding:16px}.countdown-units{gap:6px}.countdown-units>div{padding:12px 3px}.countdown-units strong{font-size:1.35rem}.countdown-units span{font-size:.75rem}}

/* Calendar and imported reference tools, etapa 78 */
.production-calendar{margin:28px 0;padding:24px;background:var(--surface,#fff);border:1px solid var(--border,#e3e9ef);border-radius:18px}
.production-calendar-grid{max-width:620px;margin:18px auto 12px;padding:16px;border:1px solid var(--border,#e3e9ef);border-radius:14px;background:var(--surface-soft,#f8fafc)}
.calendar-weekdays,.calendar-days{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;text-align:center}
.calendar-weekdays{margin-bottom:8px;font-weight:700;color:var(--muted,#667085)}
.calendar-weekdays span{padding:7px 0;font-size:.88rem}
.calendar-day,.calendar-empty{display:flex;align-items:center;justify-content:center;min-height:42px;border-radius:9px;background:#fff;border:1px solid #e8edf2}
.calendar-off{background:#fff0ee;color:#a33b32;border-color:#f5d0cb}
.calendar-holiday{font-weight:800;box-shadow:inset 0 0 0 1px #d77b6f}
.calendar-shortened{background:#fff5d7;border-color:#e7c65c;color:#805d00;font-weight:800}
.calendar-legend{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;color:var(--muted,#667085);font-size:.9rem}
.calendar-legend span{display:flex;align-items:center;gap:7px}.calendar-legend i{display:inline-block;width:13px;height:13px;border-radius:4px}.legend-off{background:#fff0ee;border:1px solid #f5d0cb}.legend-short{background:#fff5d7;border:1px solid #e7c65c}
.year-links{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.year-links a{display:inline-block;padding:9px 13px;border:1px solid var(--border,#e3e9ef);border-radius:9px;text-decoration:none;background:#fff;color:var(--text,#163a5f)}.year-links a:hover{border-color:var(--primary,#2463a6)}
@media(max-width:560px){.production-calendar{padding:14px}.production-calendar-grid{padding:8px}.calendar-weekdays,.calendar-days{gap:3px}.calendar-day,.calendar-empty{min-height:34px;border-radius:6px}.calendar-weekdays span{font-size:.78rem}}


/* Этап 81: экспертный аналитический блок */
.content-section .expert-analysis{position:relative;margin:28px 0;padding:23px 24px;border:1px solid #d9e6f5;border-radius:18px;background:linear-gradient(135deg,#f3f8ff 0%,#ffffff 76%);box-shadow:0 8px 26px rgba(28,70,118,.07);overflow:hidden}
.content-section .expert-analysis:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#2f80ed,#7cb8ff)}
.expert-analysis-heading{display:flex;align-items:center;gap:12px;margin:0 0 15px}
.expert-analysis-icon{display:grid;place-items:center;flex:0 0 42px;width:42px;height:42px;border-radius:13px;background:#e4efff;color:#1558a6;font-size:23px;line-height:1}
.content-section .expert-analysis h2#expert-analysis-title{margin:0!important;padding:0!important;border:0!important;color:#183b62;font-size:clamp(18px,2.1vw,22px);line-height:1.3;font-weight:800}
.expert-analysis-quote{margin:0;padding:16px 18px;border-left:3px solid #5b98e8;border-radius:0 12px 12px 0;background:rgba(255,255,255,.9);color:#314b67}
.expert-analysis-quote p{margin:0!important;font-size:15px;line-height:1.82;overflow-wrap:anywhere}
.expert-analysis-source{margin:13px 0 0!important;color:#718198;font-size:12px;line-height:1.6}
.expert-analysis-source a{color:#245fa5;text-decoration:underline;text-underline-offset:2px}
@media(max-width:700px){.content-section .expert-analysis{margin:20px 0;padding:17px 14px}.expert-analysis-heading{gap:10px;margin-bottom:12px}.expert-analysis-icon{flex-basis:36px;width:36px;height:36px;border-radius:11px;font-size:20px}.expert-analysis-quote{padding:13px 13px}.expert-analysis-quote p{font-size:14px;line-height:1.75}.content-section .expert-analysis h2#expert-analysis-title{font-size:18px}}


/* Official sources section: guidance to primary authorities */
.content-section .official-sources{position:relative;margin:28px 0 18px;padding:23px 24px;border:1px solid #d8e9e1;border-radius:18px;background:linear-gradient(135deg,#f1faf5 0%,#ffffff 78%);box-shadow:0 8px 24px rgba(29,92,64,.06);overflow:hidden}
.content-section .official-sources:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#2c9463,#9bd8b7)}
.official-sources-heading{display:flex;align-items:center;gap:12px;margin:0 0 13px}
.official-sources-icon{display:grid;place-items:center;flex:0 0 42px;width:42px;height:42px;border-radius:13px;background:#def4e7;color:#176b45;font-size:24px;line-height:1}
.content-section .official-sources h2#official-sources-title{margin:0!important;padding:0!important;border:0!important;color:#18563b;font-size:clamp(18px,2.1vw,22px);line-height:1.3;font-weight:800}
.official-sources-intro{margin:0 0 13px!important;color:#38584a;font-size:15px;line-height:1.75}
.official-sources-list{display:grid;gap:11px;margin:0;padding:0;list-style:none}
.official-sources-list li{padding:12px 14px;border:1px solid #e2eee7;border-radius:12px;background:rgba(255,255,255,.88);font-size:14px;line-height:1.65;overflow-wrap:anywhere}
.official-sources-list li strong{color:#234b38}
.official-sources-list li a{color:#176b45;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;overflow-wrap:anywhere}
.official-sources-list li p{margin:5px 0 0!important;color:#50695c;font-size:13px;line-height:1.65}
.official-sources-note{margin:13px 0 0!important;color:#687d71;font-size:12px;line-height:1.6}
@media(max-width:700px){.content-section .official-sources{margin:20px 0 14px;padding:17px 14px}.official-sources-heading{gap:10px}.official-sources-icon{flex-basis:36px;width:36px;height:36px;border-radius:11px;font-size:21px}.content-section .official-sources h2#official-sources-title{font-size:18px}.official-sources-intro{font-size:14px}.official-sources-list li{padding:11px 12px;font-size:13px}.official-sources-list li p{font-size:12px}}
