/* ==== БАЗА ==== */
:root{
  --navy:#0f2742;
  --navy-2:#123152;
  --blue:#2f80ed;
  --gold:#c8a24a;
  --bg:#ffffff;
  --bg-soft:#f4f6f9;
  --text:#1c2530;
  --muted:#5b6878;
  --line:#e3e8ef;
  --radius:14px;
  --shadow:0 10px 30px rgba(15,39,66,.08);
  --max:1140px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}

/* ==== КНОПКИ ==== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 26px;border-radius:10px;font-weight:600;font-size:15px;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  border:1px solid transparent;cursor:pointer;
}
.btn--primary{background:var(--navy);color:#fff}
.btn--primary:hover{background:var(--navy-2);transform:translateY(-2px);box-shadow:0 12px 24px rgba(15,39,66,.25)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--navy)}
.btn--ghost:hover{border-color:var(--navy);transform:translateY(-2px)}

/* ==== ХЕДЕР ==== */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease;
}
.header.is-scrolled{box-shadow:0 6px 20px rgba(15,39,66,.08)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-weight:700;letter-spacing:-.02em;color:var(--navy);font-size:18px}
.logo--small{font-size:16px}
.nav{display:flex;align-items:center;gap:28px}
.nav a{font-size:15px;color:var(--muted);font-weight:500;transition:color .2s}
.nav a:hover{color:var(--navy)}
.nav__cta{
  background:var(--navy);color:#fff!important;padding:10px 18px;border-radius:8px;
  transition:background .2s, transform .2s;
}
.nav__cta:hover{background:var(--navy-2);transform:translateY(-1px)}

.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--navy);transition:.3s}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ==== HERO ==== */
.hero{
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(47,128,237,.10), transparent 60%),
    linear-gradient(180deg,#ffffff 0%, #f4f6f9 100%);
  padding:90px 0 80px;
}
.hero__inner{max-width:900px}
.hero__eyebrow{
  text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:600;
  color:var(--blue);margin-bottom:18px;
}
.hero__title{
  font-size:clamp(32px,5vw,56px);line-height:1.1;letter-spacing:-.02em;
  color:var(--navy);margin-bottom:20px;font-weight:700;
}
.accent{color:var(--blue)}
.hero__subtitle{font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:720px;margin-bottom:34px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:56px}

.hero__stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:640px}
.stat{display:flex;flex-direction:column;gap:4px}
.stat__num{font-size:28px;font-weight:700;color:var(--navy);letter-spacing:-.02em}
.stat__num::after{content:"";display:block;width:36px;height:3px;background:var(--gold);margin-top:8px;border-radius:2px}
.stat__label{font-size:13px;color:var(--muted)}

/* ==== СЕКЦИИ ==== */
.section{padding:96px 0}
.section--soft{background:var(--bg-soft)}
.section--dark{background:var(--navy);color:#fff}
.section--dark .section__kicker{color:var(--gold)}
.section--dark .section__title{color:#fff}
.section__head{max-width:760px;margin-bottom:52px}
.section__kicker{
  display:inline-block;text-transform:uppercase;letter-spacing:.16em;
  font-size:12px;font-weight:600;color:var(--blue);margin-bottom:14px;
}
.section__title{
  font-size:clamp(26px,3.5vw,40px);line-height:1.15;letter-spacing:-.02em;
  color:var(--navy);margin-bottom:14px;font-weight:700;
}
.section__lead{color:var(--muted);font-size:17px}

/* ==== КАРТОЧКИ НАПРАВЛЕНИЙ ==== */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfd8e3}
.card__icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;background:rgba(47,128,237,.1);
  color:var(--blue);font-weight:700;font-size:14px;margin-bottom:18px;
}
.card h3{font-size:18px;color:var(--navy);margin-bottom:8px;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:15px}

/* ==== О КОМПАНИИ ==== */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
.about__text p{color:var(--muted);margin-top:14px}
.about__principles{display:grid;gap:16px}
.principle{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px;
  transition:transform .2s ease, box-shadow .2s ease;
}
.principle:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.principle h4{font-size:15px;color:var(--navy);margin-bottom:6px}
.principle p{font-size:14px;color:var(--muted)}

/* ==== ШАГИ ==== */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:30px 24px;
  transition:transform .25s ease, box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.step__num{
  display:inline-block;font-size:14px;font-weight:700;color:var(--gold);
  letter-spacing:.1em;margin-bottom:14px;
}
.step h3{font-size:19px;color:var(--navy);margin-bottom:8px}
.step p{color:var(--muted);font-size:15px}

/* ==== ПРЕИМУЩЕСТВА ==== */
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.adv{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:26px 24px;
  transition:transform .25s ease, background .25s ease, border-color .25s ease;
}
.adv:hover{transform:translateY(-4px);background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.22)}
.adv h3{font-size:17px;color:#fff;margin-bottom:8px}
.adv p{color:rgba(255,255,255,.72);font-size:15px}

/* ==== КОНТАКТЫ ==== */
.contacts{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contacts__text p{color:var(--muted);margin-top:14px}
.contacts__list{list-style:none;margin-top:22px;display:grid;gap:10px}
.contacts__list li{font-size:15px;color:var(--muted)}
.contacts__list span{display:inline-block;min-width:90px;color:var(--muted)}
.contacts__list strong{color:var(--navy)}

/* ==== КАРТОЧКА КОНТАКТА ==== */
.contact-card{
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px 28px;
}
.contact-card h3{
  font-size:20px;color:var(--navy);margin-bottom:10px;letter-spacing:-.01em;
}
.contact-card p{color:var(--muted);font-size:15px}
.contact-card__email{
  display:block;
  margin:22px 0 8px;
  font-size:clamp(22px,3vw,28px);
  font-weight:700;
  color:var(--navy);
  letter-spacing:-.01em;
  border-bottom:2px solid var(--gold);
  padding-bottom:6px;
  width:fit-content;
}
.contact-card__hint{font-size:13px;color:var(--muted)}

/* ==== ФУТЕР ==== */
.footer{background:var(--navy);color:rgba(255,255,255,.7);padding:36px 0}
.footer__inner{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:14px}
.footer .logo{color:#fff}

/* ==== АНИМАЦИЯ ПОЯВЛЕНИЯ ==== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease}
.reveal.is-visible{opacity:1;transform:translateY(0)}

/* ==== АДАПТИВ ==== */
@media (max-width:900px){
  .about,.contacts{grid-template-columns:1fr;gap:36px}
  .hero{padding:70px 0 60px}
  .hero__stats{grid-template-columns:1fr 1fr;gap:18px}
  .section{padding:72px 0}
}

@media (max-width:720px){
  .nav{
    position:fixed;inset:72px 0 auto 0;background:#fff;flex-direction:column;
    align-items:flex-start;gap:0;padding:12px 20px 20px;
    border-bottom:1px solid var(--line);
    transform:translateY(-120%);transition:transform .3s ease;
  }
  .nav.is-open{transform:translateY(0)}
  .nav a{padding:12px 0;width:100%;border-bottom:1px solid var(--line)}
  .nav a:last-child{border-bottom:0}
  .nav__cta{margin-top:12px;text-align:center;border-bottom:0!important}
  .burger{display:flex}
  .hero__actions{flex-direction:column;align-items:stretch}
  .hero__actions .btn{width:100%}
  .hero__stats{grid-template-columns:1fr}
  .footer__inner{flex-direction:column;text-align:center}
}