/* ==========================================================================
   Арнест-ИТ — одностраничная тема
   Шрифт: Inter (локально). Заголовки/акценты — Bold 700, подзаголовки/тексты — 400/500.
   Цвета задаются CSS-переменными из «Внешний вид → Настроить».
   ========================================================================== */

@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;
  src:url("../fonts/inter-cyrillic-wght-normal.woff2") format("woff2");
  unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;
  src:url("../fonts/inter-latin-wght-normal.woff2") format("woff2");
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --c-accent:#33B9EB; --c-gray:#D1D1D1; --c-navy:#001489; --c-black:#000; --c-steel:#34657f;
  --bg-a:#FCFCFC; --bg-b:#FFFFFF; --footer-bg:#001489;
  --hero-1:#2b566d; --hero-2:#437a96;
  --content-w:76%; --nav-alpha:.86; --nav-blur:14px;
  --hero-pattern-opacity:1;
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --radius:14px;
  --hdr-pad:8px; --logo-w:200px;
  --anchor-offset:92px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:var(--anchor-offset)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;font-family:var(--font);font-weight:400;font-size:17px;line-height:1.65;color:var(--c-black);background:var(--bg-b);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-steel);text-decoration-thickness:1px;text-underline-offset:3px;transition:color .2s}
a:hover{color:var(--c-navy)}
h1,h2,h3,h4{font-family:var(--font);font-weight:700;line-height:1.2;color:var(--c-navy);margin:0}
p{margin:0 0 1em}
strong,b{font-weight:700}
.icon{width:1em;height:1em;fill:currentColor;display:inline-block;vertical-align:-.125em}
.skip-link{position:absolute;left:-9999px;top:8px;z-index:200;background:var(--c-navy);color:#fff;padding:8px 14px;border-radius:6px}
.skip-link:focus{left:8px}
:focus-visible{outline:3px solid var(--c-accent);outline-offset:2px}

.container{width:var(--content-w);margin-inline:auto}
.container--narrow{width:min(var(--content-w),920px)}

/* ---------- Верхнее меню ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,var(--nav-alpha));
  -webkit-backdrop-filter:saturate(1.4) blur(var(--nav-blur));backdrop-filter:saturate(1.4) blur(var(--nav-blur));
  border-bottom:1px solid rgba(209,209,209,.7);
  transition:box-shadow .25s,background .25s}
.admin-bar .site-header{top:32px}
@media (max-width:782px){.admin-bar .site-header{top:46px}}
@media (max-width:600px){.admin-bar .site-header{top:0}}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(0,20,137,.10)}
.site-header__inner{display:flex;align-items:center;gap:28px;
  width:min(96%,max(var(--content-w),1100px));margin-inline:auto;padding-block:var(--hdr-pad);transition:padding .25s}

.site-logo{flex:0 0 auto;line-height:0}
.site-logo a{display:block}
.site-logo img{width:var(--logo-w);height:auto;max-width:none;transition:width .25s}
.has-shrink .site-header.is-scrolled{--logo-w:116px;--hdr-pad:6px}

.main-nav{flex:1 1 auto}
.main-nav .menu{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:2px}
.main-nav a{position:relative;display:block;padding:10px 13px;font-size:15px;font-weight:500;color:var(--c-black);text-decoration:none;border-radius:8px;transition:color .2s,background .2s}
.main-nav a::after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.main-nav a:hover{color:var(--c-navy)}
.main-nav a:hover::after,.main-nav .is-current>a::after,.main-nav a[aria-current="true"]::after{transform:scaleX(1)}
.main-nav .is-current>a,.main-nav a[aria-current="true"]{color:var(--c-navy)}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.header-actions__btn,.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;
  color:var(--c-navy);background:rgba(51,185,235,.14);border:0;cursor:pointer;font-size:18px;transition:background .2s,color .2s,transform .2s}
.header-actions__btn:hover,.nav-toggle:hover{background:var(--c-navy);color:#fff;transform:translateY(-1px)}
.nav-toggle{display:none;background:transparent;font-size:22px}
.nav-toggle .icon--close{display:none}
.nav-open .nav-toggle .icon--open{display:none}
.nav-open .nav-toggle .icon--close{display:inline-block}

@media (max-width:1100px){
  :root{--logo-w:132px;--anchor-offset:80px}
  .site-header__inner{width:100%;padding-inline:20px;gap:14px;flex-wrap:wrap}
  .site-logo{margin-right:auto}
  .has-shrink .site-header.is-scrolled{--logo-w:104px}
  .nav-toggle{display:inline-flex}
  .main-nav{order:3;flex:0 0 100%;display:none;padding:6px 0 12px;border-top:1px solid var(--c-gray)}
  .nav-open .main-nav{display:block}
  .nav-open .site-header{background:rgba(255,255,255,.97)}
  .main-nav .menu{flex-direction:column;gap:0}
  .main-nav a{padding:13px 6px;font-size:17px;border-radius:0;border-bottom:1px solid #eef0f2}
  .main-nav a::after{display:none}
  .main-nav .is-current>a,.main-nav a[aria-current="true"]{color:var(--c-navy);font-weight:700}
}

/* ---------- Секции ---------- */
.site-main{display:block}
.section{padding:88px 0;position:relative}
.section--a{background:var(--bg-a)}
.section--b{background:var(--bg-b)}
.section__title{font-size:clamp(1.9rem,3.2vw,2.6rem);margin-bottom:48px;padding-bottom:18px;position:relative}
.section__title::after{content:"";position:absolute;left:0;bottom:0;width:64px;height:4px;border-radius:2px;background:var(--c-accent)}
.subtitle{font-size:1.35rem;font-weight:500;color:var(--c-navy);margin:56px 0 22px}
.nw{white-space:nowrap}
.prose p:last-child{margin-bottom:0}
.prose a{word-break:break-word}

/* ---------- Шапка (hero) ---------- */
.hero{position:relative;color:#fff;overflow:hidden;
  padding:calc(122px + 72px) 0 88px;
  background:linear-gradient(135deg,var(--hero-1),var(--hero-2))}
.hero__bg{position:absolute;inset:0;background:var(--hero-pattern) center/cover no-repeat;opacity:var(--hero-pattern-opacity);pointer-events:none}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:5px;background:linear-gradient(90deg,var(--c-accent),transparent 70%)}
.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center;min-height:300px}
.hero__title{font-size:clamp(2.4rem,5.2vw,4.4rem);line-height:1.08;color:#fff;letter-spacing:-.02em;max-width:12ch}
.hero__title::after{content:"";display:block;width:84px;height:5px;border-radius:3px;background:var(--c-accent);margin-top:26px}

.hero__slider{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius);padding:30px 32px 24px;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 18px 50px rgba(0,0,0,.14)}
.slides{list-style:none;margin:0;padding:0;display:grid}
.slide{grid-area:1/1;opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease,visibility .55s;display:flex;flex-direction:column;gap:12px;justify-content:center;min-height:132px}
.slide.is-active{opacity:1;visibility:visible;transform:none}
.slide__num{font-weight:700;font-size:14px;letter-spacing:.08em;color:var(--c-accent)}
.slide__num span{color:rgba(255,255,255,.6);font-weight:500}
.slide__text{font-weight:700;font-size:clamp(1.3rem,2.2vw,1.85rem);line-height:1.3}
.slider__dots{display:flex;gap:10px;margin-top:20px}
.slider__dot{width:34px;height:5px;border-radius:3px;border:0;padding:0;background:rgba(255,255,255,.35);cursor:pointer;transition:background .2s,width .25s}
.slider__dot:hover{background:rgba(255,255,255,.7)}
.slider__dot.is-active{background:var(--c-accent);width:54px}

@media (max-width:900px){
  .hero{padding:calc(96px + 40px) 0 56px}
    .hero__inner{grid-template-columns:1fr;gap:36px}
  .hero__title{max-width:none}
}

/* ---------- Главная: вводный текст ---------- */
.section--intro{padding:80px 0}
.intro{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:64px;align-items:start}
.intro--single{grid-template-columns:1fr;max-width:62rem}
.intro__lead{font-size:clamp(1.25rem,1.9vw,1.6rem);line-height:1.5;font-weight:500;color:var(--c-navy);border-left:5px solid var(--c-accent);padding-left:28px}
.intro__body{font-size:1.06rem}

/* ---------- О компании ---------- */
.about{display:grid;grid-template-columns:33.333% minmax(0,1fr);align-items:start}
.about__media{padding-right:48px;position:sticky;top:calc(var(--anchor-offset) + 16px)}
.about__img{width:100%;aspect-ratio:5/6;object-fit:cover;border-radius:var(--radius);box-shadow:0 14px 40px rgba(0,20,137,.12)}
.about__text{padding-left:0}
.about__text>p:first-child{font-size:1.25rem;font-weight:500;color:var(--c-navy);line-height:1.5}
.about__text p strong{color:var(--c-black)}

/* ---------- Услуги ---------- */
.services{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.service{text-align:center;padding:36px 26px 34px;background:#fff;border:1px solid #e7ebee;border-radius:var(--radius);transition:transform .25s,box-shadow .25s,border-color .25s}
.service:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,20,137,.10);border-color:var(--c-accent)}
.service__icon{width:84px;height:84px;margin:0 auto 22px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(51,185,235,.14);color:var(--c-navy);font-size:36px}
.service__img{max-width:52px;max-height:52px;width:auto;height:auto}
.service__title{font-size:1.2rem;margin-bottom:12px;color:var(--c-navy)}
.service__text{margin:0;color:#2b2f33;font-size:.98rem}
@media (max-width:1100px){.services{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.services{grid-template-columns:1fr}}

/* ---------- Поддержка ---------- */
.support{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 36px}
.support-item{display:flex;gap:20px;align-items:flex-start}
.support-item__media{flex:0 0 73px;width:73px;height:73px}
.support-item__img{width:73px;height:73px;object-fit:cover;border-radius:12px}
.support-item__title{font-size:1.15rem;margin-bottom:8px}
.support-item__body p{margin:0;font-size:.97rem;color:#2b2f33}
@media (max-width:1100px){.support{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.support{grid-template-columns:1fr}}

/* ---------- Технологии ---------- */
.tech{column-count:2;column-gap:28px}
.tech-group{break-inside:avoid;-webkit-column-break-inside:avoid;margin:0 0 28px;background:#fff;border:1px solid #e7ebee;border-top:4px solid var(--c-accent);border-radius:var(--radius);padding:28px 30px 26px}
.tech-group__title{font-weight:500;font-size:1.3rem;color:var(--c-navy);margin-bottom:16px}
.tech-group__list{list-style:none;margin:0;padding:0}
.tech-group__list li{position:relative;padding:7px 0 7px 24px;font-size:.98rem;border-top:1px solid #f0f2f4}
.tech-group__list li:first-child{border-top:0}
.tech-group__list li::before{content:"";position:absolute;left:0;top:1.05em;width:9px;height:9px;border-radius:2px;background:var(--c-steel)}
@media (max-width:900px){.tech{column-count:1}}

/* ---------- Стоимость ---------- */
.price-card{background:linear-gradient(135deg,rgba(51,185,235,.10),rgba(52,101,127,.07));border-left:6px solid var(--c-accent);border-radius:var(--radius);padding:34px 40px}
.price-card__intro{font-size:1.1rem;margin:0 0 10px}
.price-card__value{font-size:clamp(2.2rem,4.4vw,3.4rem);font-weight:700;color:var(--c-navy);line-height:1.1;margin:0 0 10px;letter-spacing:-.01em}
.price-card__note{margin:0;color:#2b2f33}
.table-wrap{overflow-x:auto;border:1px solid #e1e6ea;border-radius:var(--radius);background:#fff}
.price-table{width:100%;border-collapse:collapse;font-size:.98rem}
.price-table th{background:var(--c-navy);color:#fff;font-weight:700;text-align:left;padding:16px 22px;white-space:nowrap}
.price-table td{padding:18px 22px;vertical-align:top;border-top:1px solid #e9edf0}
.price-table tbody tr:nth-child(even){background:rgba(209,209,209,.16)}
.price-table td:first-child{width:22%;color:var(--c-navy)}
.price-table td:nth-child(2){width:38%}
.factors{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 28px}
.factors li{position:relative;padding:18px 22px 18px 56px;background:#fff;border:1px solid #e7ebee;border-radius:12px;font-size:.98rem}
.factors li::before{content:"";position:absolute;left:22px;top:21px;width:18px;height:18px;border-radius:50%;background:var(--c-accent);box-shadow:inset 0 0 0 5px #fff,0 0 0 2px var(--c-accent)}
.factors strong{color:var(--c-navy)}
@media (max-width:900px){.factors{grid-template-columns:1fr}}
@media (max-width:700px){
  .price-card{padding:26px 22px}
  .table-wrap{border:0;background:none;overflow:visible}
  .price-table,.price-table tbody,.price-table tr,.price-table td{display:block;width:100%}
  .price-table thead{position:absolute;left:-9999px}
  .price-table tbody tr{background:#fff!important;border:1px solid #e1e6ea;border-radius:12px;margin-bottom:16px;padding:6px 0;overflow:hidden}
  .price-table td{border:0;padding:10px 18px;width:100%!important}
  .price-table td::before{content:attr(data-label);display:block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--c-steel);font-weight:700;margin-bottom:2px}
}

/* ---------- Контакты ---------- */
.contacts{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:start}
.contacts__company{font-size:1.5rem;margin-bottom:18px}
.contacts__card{background:var(--c-navy);color:#fff;border-radius:var(--radius);padding:32px 34px;box-shadow:0 18px 44px rgba(0,20,137,.22)}
.contacts__card a{color:#fff;text-decoration-color:rgba(255,255,255,.4)}
.contacts__card a:hover{color:var(--c-accent)}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:22px}
.contact-list li{display:flex;gap:16px;align-items:flex-start}
.contact-list__icon{flex:0 0 42px;height:42px;border-radius:50%;background:rgba(51,185,235,.2);color:var(--c-accent);display:flex;align-items:center;justify-content:center;font-size:17px}
.contact-list__body{display:block;line-height:1.5}
.contact-list__label{display:block;font-size:13px;letter-spacing:.05em;text-transform:uppercase;color:rgba(255,255,255,.65);font-weight:500;margin-bottom:2px}
@media (max-width:900px){.contacts{grid-template-columns:1fr;gap:32px}}

/* ---------- Подвал ---------- */
.site-footer{background:var(--footer-bg);color:#fff;padding:26px 0}
.site-footer__inner{display:flex;justify-content:flex-end}
.site-footer__copy{margin:0;font-size:15px;color:rgba(255,255,255,.88)}

/* ---------- Кнопка «вверх» ---------- */
.to-top{position:fixed;left:22px;bottom:22px;z-index:90;width:50px;height:50px;border-radius:50%;border:0;cursor:pointer;
  background:var(--c-navy);color:#fff;font-size:22px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(0,20,137,.35);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s,transform .25s,visibility .25s,background .2s}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--c-accent);color:var(--c-navy)}

/* ---------- Внутренние страницы ---------- */
.inner-page{padding:calc(122px + 48px) 0 80px;min-height:60vh}
.page-title{font-size:clamp(1.9rem,3.4vw,2.6rem);margin-bottom:28px}
.entry{margin-bottom:44px}
.entry__title{font-size:1.6rem}
.entry__title a{color:var(--c-navy);text-decoration:none}
.entry__meta{color:#6a7177;font-size:14px;margin:6px 0 14px}
.entry__content>*{max-width:100%}
.entry__content img{border-radius:10px}
.btn{display:inline-block;background:var(--c-navy);color:#fff;padding:13px 26px;border-radius:999px;font-weight:700;text-decoration:none}
.btn:hover{background:var(--c-accent);color:var(--c-navy)}
.screen-reader-text{position:absolute;left:-9999px}
.navigation.pagination{margin-top:24px}
.nav-links{display:flex;gap:10px}
.nav-links .page-numbers{padding:6px 14px;border:1px solid var(--c-gray);border-radius:8px;text-decoration:none}
.nav-links .current{background:var(--c-navy);color:#fff;border-color:var(--c-navy)}

/* ---------- Мобильная адаптация ---------- */
@media (max-width:1100px){
  .inner-page{padding-top:calc(96px + 32px)}
  }
@media (max-width:900px){
  .intro{grid-template-columns:1fr;gap:28px}
  .about{grid-template-columns:1fr;gap:28px}
  .about__media{padding-right:0;position:static}
  .about__img{aspect-ratio:16/10}
}
@media (max-width:768px){
  body{font-size:16px}
  .container,.container--narrow{width:100%;padding-inline:20px}
  .section{padding:56px 0}
  .section--intro{padding:52px 0}
  .section__title{margin-bottom:32px}
  .intro__lead{padding-left:18px}
  .tech-group{padding:22px 20px}
  .contacts__card{padding:26px 22px}
  .to-top{left:14px;bottom:14px;width:46px;height:46px}
}