/* ============================================================
   ГИС «ОСИРИС» — gis-osiris.ru — пересборка (чистый код)
   Все цвета/размеры вынесены в переменные ниже — правьте здесь.
   ============================================================ */
:root{
  --accent:#1f6aa5;
  --accent-2:#2b87c9;
  --accent-dark:#184f7c;
  --ink:#2a2f36;
  --muted:#6c7681;
  --bg:#ffffff;
  --bg-alt:#f4f6f8;
  --line:#e4e8ec;
  --charcoal:#2c2f33;
  --maxw:1140px;
  --radius:8px;
  --shadow:0 10px 30px rgba(20,40,60,.12);
  --font:-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-dark)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---- кнопки ---- */
.btn{display:inline-block;padding:13px 28px;border-radius:var(--radius);font-weight:600;
  font-size:16px;letter-spacing:.2px;transition:.18s;cursor:pointer;border:2px solid transparent}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-dark);color:#fff}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---- заголовки секций ---- */
.section-title{font-size:clamp(24px,3.4vw,34px);font-weight:600;text-align:center;
  letter-spacing:.3px;margin:0 0 36px;color:var(--ink)}
.section-title--left{text-align:left}

/* ============== ШАПКА ============== */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 0 var(--line)}
.topbar{background:#fff}
.topbar__row{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand__emblem{height:38px;width:auto}
.brand__text{font-weight:600;font-size:18px;letter-spacing:.3px;color:var(--ink)}
.topbar__phone{font-weight:700;font-size:18px;color:var(--ink);white-space:nowrap}
.topbar__phone:hover{color:var(--accent)}

.nav{background:var(--charcoal)}
.nav__row{position:relative;display:flex;align-items:center;justify-content:center;min-height:50px}
.nav__list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.nav__list a{display:block;color:#d6dadf;padding:13px 16px;font-size:15px;font-weight:500;border-radius:4px}
.nav__list a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav__toggle{display:none;position:absolute;right:8px;top:50%;transform:translateY(-50%);
  width:44px;height:38px;background:none;border:0;cursor:pointer;padding:9px 10px}
.nav__toggle span{display:block;height:2px;background:#fff;margin:5px 0;border-radius:2px;transition:.2s}

/* ============== HERO ============== */
.hero{background:linear-gradient(#fff,#eef2f5);padding:54px 0 64px;text-align:center}
.hero__emblem{height:128px;width:auto;margin:0 auto 22px}
.hero__title{font-size:clamp(28px,4.6vw,46px);font-weight:600;letter-spacing:.4px;margin:0 0 22px;line-height:1.18}
.hero__lead{max-width:760px;margin:0 auto 16px;font-size:clamp(16px,2vw,19px);color:#3b4654}
.hero__sub{max-width:720px;margin:0 auto 30px;color:var(--muted);font-size:16px}

/* ============== УСЛУГА (фон-фото) ============== */
.service{position:relative;color:#fff;overflow:hidden}
.service__bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.service__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(16,32,48,.82),rgba(16,32,48,.55))}
.service__inner{position:relative;z-index:1;padding:84px 20px;display:flex;justify-content:center}
.service__card{max-width:760px;text-align:center}
.service__title{font-size:clamp(22px,3vw,32px);font-weight:600;margin:0 0 18px;line-height:1.25}
.service__card p{font-size:18px;margin:0 0 12px;color:#e9eef2}
.service__accent{font-weight:700;color:#fff;font-size:20px}

/* ============== БАЗА ДАННЫХ ============== */
.db{padding:72px 0;background:var(--bg)}
.db__grid{list-style:none;margin:0 auto 26px;padding:0;max-width:920px;
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px}
.db__grid li{position:relative;padding:14px 16px 14px 46px;background:var(--bg-alt);
  border-radius:var(--radius);font-weight:500}
.db__grid li::before{content:"";position:absolute;left:18px;top:50%;width:9px;height:9px;
  margin-top:-4px;border-radius:50%;background:var(--accent)}
.db__note{max-width:760px;margin:0 auto;text-align:center;color:var(--muted)}

/* ============== СЧЁТЧИКИ ============== */
.stats{background:linear-gradient(120deg,var(--accent),var(--accent-2));color:#fff;padding:60px 0}
.stats__heading{text-align:center;font-weight:500;font-size:clamp(20px,2.6vw,26px);margin:0 0 36px;opacity:.95}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat__num{font-size:clamp(40px,6vw,62px);font-weight:700;line-height:1}
.stat__label{margin-top:10px;font-size:15px;opacity:.92;line-height:1.35}

/* ============== КЛИЕНТЫ ============== */
.clients{padding:72px 0;background:var(--bg-alt)}
.clients__grid{display:grid;grid-template-columns:repeat(6,1fr);gap:26px 18px}
.client{margin:0;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px}
.client img{height:86px;width:auto;object-fit:contain}
.client figcaption{font-size:12.5px;color:var(--muted);line-height:1.35}

/* ============== ФИЧИ ГИС ============== */
.gis{padding:78px 0}
.feature{display:grid;grid-template-columns:1.05fr 1fr;gap:46px;align-items:center;margin-bottom:56px}
.feature:last-child{margin-bottom:0}
.feature--reverse .feature__media{order:2}
.feature__media img{width:100%;border-radius:10px;box-shadow:var(--shadow);border:1px solid var(--line)}
.feature__body h3{font-size:clamp(20px,2.6vw,26px);font-weight:600;margin:0 0 14px}
.feature__body p{margin:0 0 12px;color:#41505e}
.feature__highlight{font-weight:600;color:var(--accent)}

/* ============== ВОЗМОЖНОСТИ ============== */
.caps{padding:72px 0;background:var(--bg-alt)}
.caps__cols{display:grid;grid-template-columns:1fr 1fr;gap:14px 48px;max-width:980px;margin:0 auto}
.caps__list{list-style:none;margin:0;padding:0}
.caps__list li{position:relative;padding:9px 0 9px 30px;border-bottom:1px solid var(--line)}
.caps__list li::before{content:"✓";position:absolute;left:0;top:9px;color:var(--accent);font-weight:700}

/* ============== ПРЕИМУЩЕСТВА ============== */
.adv{padding:72px 0}
.adv__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.adv__item{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;box-shadow:0 4px 16px rgba(20,40,60,.05)}
.adv__item h3{margin:0 0 12px;font-size:21px;color:var(--accent);font-weight:600}
.adv__item p{margin:0;color:#41505e}

/* ============== ОНЛАЙН-ВЕРСИЯ ============== */
.online{padding:78px 0;background:var(--bg-alt)}
.online__inner{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.online__body p{color:#41505e;margin:0 0 14px}
.online__media{text-align:center}
.online__media img{display:inline-block;max-height:520px;width:auto;filter:drop-shadow(0 18px 34px rgba(20,40,60,.22))}

/* ============== СОТРУДНИЧЕСТВО ============== */
.coop{padding:78px 0}
.coop__text{max-width:820px;margin:0 auto;font-size:18px}
.coop__text p{margin:0 0 16px;color:#41505e}

/* ============== ПОДВАЛ ============== */
.footer{background:var(--charcoal);color:#cfd5db;padding:54px 0 0}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;padding-bottom:42px}
.footer__brand{font-size:22px;font-weight:700;color:#fff;margin-bottom:10px}
.footer__muted{color:#9aa3ac;font-size:15px;margin:0}
.footer__label{text-transform:uppercase;letter-spacing:1px;font-size:12px;color:#8b95a0;margin-bottom:12px}
.footer__phone{display:block;font-size:24px;font-weight:700;color:#fff;margin-bottom:16px}
.footer__phone:hover{color:var(--accent-2)}
.footer__link{color:var(--accent-2);font-size:18px}
.footer__bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:14px;color:#8b95a0}

/* ============== АДАПТИВ ============== */
@media (max-width:980px){
  .feature,.online__inner{grid-template-columns:1fr;gap:28px}
  .feature--reverse .feature__media{order:0}
  .clients__grid{grid-template-columns:repeat(4,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:16px}
  .nav__row{justify-content:flex-start}
  .nav__toggle{display:block}
  .nav__list{display:none;width:100%;flex-direction:column;gap:0;padding:6px 0}
  .nav.is-open .nav__list{display:flex}
  .nav__list a{padding:12px 6px;border-bottom:1px solid rgba(255,255,255,.07)}
  .stats__grid{grid-template-columns:repeat(2,1fr);gap:30px 16px}
  .db__grid{grid-template-columns:1fr}
  .clients__grid{grid-template-columns:repeat(3,1fr)}
  .caps__cols{grid-template-columns:1fr;gap:0}
  .adv__grid{grid-template-columns:1fr}
  .service__inner{padding:60px 18px}
}
@media (max-width:440px){
  .clients__grid{grid-template-columns:repeat(2,1fr)}
  .brand__text{font-size:15px}
  .topbar__row{height:54px}
}