:root {
  --primary:#0F766E;
  --primary-dark:#115E59;
  --secondary:#10B981;
  --dark:#111827;
  --text:#374151;
  --muted:#64748b;
  --light:#F8FAFC;
  --white:#FFFFFF;
  --border:#E5E7EB;
  --radius:18px;
  --shadow:0 15px 40px rgba(0,0,0,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--white);color:var(--text);line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
section{padding:68px 0;scroll-margin-top:88px}
h1,h2,h3,h4{color:var(--dark);font-weight:700}

.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000}
.nav-wrapper{min-height:86px;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative}
.brand{display:inline-flex;align-items:center;flex:0 0 auto}
.brand img{width:180px;height:auto}
.main-nav{display:flex;gap:28px;align-items:center;margin-left:auto}
.main-nav a{color:var(--text);font-weight:600}
.main-nav a:hover{color:var(--primary)}
.nav-cta,.mobile-nav-cta{background:var(--primary);color:#fff;padding:12px 22px;border-radius:999px;font-weight:700;white-space:nowrap}
.nav-cta:hover,.mobile-nav-cta:hover{background:var(--primary-dark);color:#fff}
.mobile-nav-cta{display:none}
.menu-toggle{display:none;border:0;background:transparent;color:var(--dark);font-size:32px;line-height:1;cursor:pointer;padding:6px}

.hero-section{padding:54px 0;background:linear-gradient(135deg,#f8fafc,#ecfeff)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}
.hero-badge{display:inline-block;background:#ccfbf1;color:var(--primary-dark);padding:8px 14px;border-radius:999px;font-weight:700;margin-bottom:20px}
.hero-content h1{font-size:clamp(3rem,6vw,4rem);line-height:1.05;font-weight:800;margin-bottom:24px;letter-spacing:-.03em}
.hero-content p{font-size:20px;max-width:620px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn-primary-site,.btn-secondary-site{display:inline-flex;justify-content:center;align-items:center;padding:14px 24px;border-radius:12px;font-weight:700;min-height:52px}
.btn-primary-site{background:var(--primary);color:#fff}
.btn-primary-site:hover{background:var(--primary-dark);color:#fff}
.btn-secondary-site{border:1px solid var(--border);color:var(--dark);background:#fff}
.btn-secondary-site:hover{border-color:var(--primary);color:var(--primary)}
.hero-card{background:#fff;border-radius:28px;padding:40px;box-shadow:var(--shadow);min-width:0}
.hero-card img{width:100%}

.why-section{background:#fff}
.section-title{text-align:center;max-width:760px;margin:0 auto 45px}
.section-title span{color:var(--primary);font-weight:700;letter-spacing:2px;font-size:.9rem}
.section-title h2{margin:14px 0;font-size:clamp(2rem,4vw,3rem);line-height:1.15}
.section-title p{font-size:19px;color:var(--muted)}
.why-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.why-card,.platform-item{background:#fff;border:1px solid var(--border);border-radius:20px;padding:34px;transition:.25s;min-width:0}
.why-card:hover,.platform-item:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.why-card i,.platform-item i{font-size:40px;color:var(--primary);display:inline-block;margin-bottom:14px}
.why-card h4,.platform-item h4{font-size:1.25rem;margin:4px 0 12px;line-height:1.25}
.why-card p,.platform-item p{color:var(--muted);margin:0}

.departments-section{background:#f8fafc}
.department-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.department-card{background:#fff;border:1px solid var(--border);border-radius:18px;padding:24px;display:flex;align-items:center;gap:14px;font-weight:700;color:var(--dark);box-shadow:0 10px 30px rgba(15,23,42,.04);min-width:0}
.department-card i{font-size:28px;color:var(--primary);flex:0 0 auto}

.platform-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.platform-item{box-shadow:0 12px 35px rgba(0,0,0,.04)}

.product-preview-section{background:linear-gradient(135deg,#ecfeff,#f8fafc)}
.browser-frame{background:#fff;border-radius:24px;box-shadow:0 30px 80px rgba(15,23,42,.16);overflow:hidden;border:1px solid var(--border)}
.browser-top{height:54px;background:#0f172a;display:flex;align-items:center;gap:9px;padding:0 18px}
.browser-top>span{width:12px;height:12px;border-radius:50%;background:#94a3b8;flex:0 0 auto}
.browser-url{margin-left:16px;background:rgba(255,255,255,.08);color:#cbd5e1;padding:7px 16px;border-radius:999px;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.browser-body{background:#f8fafc;overflow:hidden}
.browser-body img{width:100%;height:auto}

.contact-section{background:#f8fafc}
.contact-card{display:flex;justify-content:center}
.site-footer{background:#0b1220;color:#cbd5e1;padding:50px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer-logo{width:220px;margin-bottom:18px}
.site-footer h4{color:#fff;margin-bottom:16px}
.site-footer a{display:block;color:#cbd5e1;margin-bottom:10px}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding:18px 0;text-align:center}

@media (max-width: 991px){
  .container{width:min(100% - 32px, 760px)}
  .desktop-cta{display:none}
  .menu-toggle{display:block;margin-left:auto;z-index:1002}
  .main-nav{position:absolute;top:calc(100% + 1px);left:16px;right:16px;display:none;flex-direction:column;align-items:stretch;gap:4px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:14px;box-shadow:0 18px 45px rgba(15,23,42,.14);margin:0}
  .main-nav.is-open{display:flex}
  .main-nav a{padding:11px 12px;border-radius:10px}
  .main-nav a:hover{background:#f0fdfa}
  .mobile-nav-cta{display:block!important;text-align:center;color:#fff!important;margin-top:4px}
  .nav-wrapper{min-height:74px}
  .brand img{width:150px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-content{text-align:center}
  .hero-content p{margin-left:auto;margin-right:auto}
  .hero-actions{justify-content:center}
  .hero-card{max-width:620px;margin-inline:auto;padding:28px}
  .why-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .department-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .platform-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-grid>div:first-child{grid-column:1/-1}
}

@media (max-width: 640px){
  .container{width:calc(100% - 28px)}
  section{padding:50px 0;scroll-margin-top:76px}
  .brand img{width:132px}
  .hero-section{padding:38px 0 44px}
  .hero-badge{font-size:.78rem;padding:7px 11px;margin-bottom:16px}
  .hero-content h1{font-size:clamp(2.45rem,12vw,3.25rem);margin-bottom:18px}
  .hero-content p{font-size:17px;line-height:1.65;margin-bottom:24px}
  .hero-actions{display:grid;grid-template-columns:1fr;width:100%}
  .btn-primary-site,.btn-secondary-site{width:100%}
  .hero-card{padding:22px;border-radius:22px}
  .section-title{margin-bottom:30px}
  .section-title h2{font-size:2rem;margin:10px 0}
  .section-title p{font-size:16px}
  .why-grid,.department-grid,.platform-grid{grid-template-columns:1fr}
  .why-card,.platform-item{padding:26px}
  .department-card{padding:20px}
  .browser-frame{border-radius:16px}
  .browser-top{height:46px;padding:0 12px}
  .browser-url{font-size:12px;margin-left:8px;padding:5px 10px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid>div:first-child{grid-column:auto}
  .footer-logo{width:185px}
}