:root{
  --primary:#2f99c8;
  --primary-dark:#1f7fab;
  --text:#0b1b2b;
  --muted:#536372;
  --line:#e6eef5;
  --bg:#ffffff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 18px}
.sr{position:absolute;left:-9999px}

/* Header */
.header{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--line);z-index:50}
.header__inner{display:flex;align-items:center;justify-content:space-between;padding:4px 0;gap:16px;height:70px}
.brand img{height:200px}

/* Nav */
.nav{position:relative}
.nav__menu{display:flex;align-items:center;gap:18px}
.nav__menu a{font-size:14px;color:#203040}
.nav__menu a:hover{color:var(--primary)}
.nav__toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;cursor:pointer}
.hamburger{width:18px;height:2px;background:var(--primary);display:inline-block;position:relative}
.hamburger::before,.hamburger::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--primary)}
.hamburger::before{top:-6px}
.hamburger::after{top:6px}

/* Hero */
.hero{background:linear-gradient(180deg,#f3fbff 0%, #ffffff 70%);padding:56px 0 22px}
.hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center}
.hero h1{font-size:46px;line-height:1.08;margin:0 0 14px;color:#153a57}
.lead{margin:0 0 18px;color:var(--muted);max-width:560px}
.hero__media img{border-radius:18px;border:1px solid var(--line)}

/* Sections */
.section{padding:56px 0;border-top:1px solid var(--line)}
.section--alt{background:#fbfdff}
.section h2{margin:0 0 18px;font-size:34px;color:#153a57}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;border:0;border-radius:12px;padding:12px 18px;font-size:15px;cursor:pointer}
.btn:hover{background:var(--primary-dark)}
.btn--full{width:100%}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:10px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 10px 24px rgba(16,24,40,.06)}
.card__icon{width:44px;height:44px;border-radius:12px;background:rgba(47,153,200,.10);display:flex;align-items:center;justify-content:center;color:var(--primary);margin-bottom:12px}
.card__icon svg{width:22px;height:22px}
.card h3{margin:0 0 8px;font-size:17px;color:#153a57}
.card p{margin:0;color:var(--muted);font-size:14px}

/* How */
.how{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;align-items:start;margin-bottom:18px}
.how__item{text-align:center}
.how__icon{width:54px;height:54px;border-radius:999px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin:0 auto 10px;color:var(--primary)}
.how__icon svg{width:26px;height:26px}
.how__txt{font-size:13px;color:var(--muted);line-height:1.25}

/* Context cards with images */
.contexts{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.ctx{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 10px 24px rgba(16,24,40,.06)}
.ctx img{height:210px;width:100%;object-fit:cover}
.ctx h3{margin:14px 16px 6px;font-size:18px;color:#153a57}
.ctx p{margin:0 16px 16px;color:var(--muted);font-size:14px}

/* CTA + Form */
.cta{background:linear-gradient(180deg, #f4fbff 0%, #ffffff 90%)}
.cta__inner{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.cta__copy p{margin:0;color:var(--muted)}

.form{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 10px 24px rgba(16,24,40,.06)}
.form input,.form textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px 12px;font-size:14px;margin-bottom:10px;outline:none}
.form textarea{min-height:110px;resize:vertical}
.form input:focus,.form textarea:focus{border-color:rgba(47,153,200,.7);box-shadow:0 0 0 4px rgba(47,153,200,.14)}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.form__note{margin-top:8px;font-size:12px;color:var(--muted)}

/* Footer */
.footer{border-top:1px solid var(--line);padding:18px 0;background:#fff}
.footer__inner{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13px}

@media (max-width: 980px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .how{grid-template-columns:repeat(2,1fr)}
  .contexts{grid-template-columns:1fr}
  .cta__inner{grid-template-columns:1fr}
  .hero__inner{grid-template-columns:1fr}
  .hero h1{font-size:40px}
}

@media (max-width: 760px){.brand img{height:100px} 
  .nav__toggle{display:inline-flex}
  .nav__menu{display:none;position:absolute;right:0;top:52px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;flex-direction:column;align-items:flex-start;gap:10px;min-width:220px}
  .nav__menu.open{display:flex}
  .form__row{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
}