*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --sky:#0ea5e9;--sky-dark:#0284c7;--sky-light:#38bdf8;--sky-pale:#f0f9ff;--sky-mist:#e0f2fe;
  --dark:#0c1222;--card:#fff;--card-border:#e2e8f0;--text:#334155;--text-light:#64748b;--heading:#0f172a;
  --bg:#ffffff;--bg-alt:#f0f9ff;--font:'Inter',sans-serif;
}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--font);font-weight:400;font-size:16px;line-height:1.7;color:var(--text);background:var(--bg)}
h1,h2,h3{font-weight:800;line-height:1.2;color:var(--heading)}
a{color:var(--sky);text-decoration:none;transition:color .2s}
a:hover{color:var(--sky-dark)}
img{max-width:100%;display:block}
ul{list-style:none}

.container{max-width:1100px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section--alt{background:var(--bg-alt)}
.section-tag{font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--sky);margin-bottom:12px;text-align:center}
.section-title{font-size:clamp(28px,4vw,42px);text-align:center;margin-bottom:16px}
.section-sub{text-align:center;color:var(--text-light);max-width:560px;margin:0 auto 48px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;font-family:var(--font);font-size:15px;font-weight:600;border-radius:12px;cursor:pointer;transition:all .2s;border:none}
.btn-primary{background:var(--sky);color:#fff}
.btn-primary:hover{background:var(--sky-dark);color:#fff}
.btn-outline{border:2px solid var(--sky);color:var(--sky);background:transparent}
.btn-outline:hover{background:var(--sky);color:#fff}
.btn-wa{background:#25D366;color:#fff;width:100%;justify-content:center;border-radius:10px;padding:12px;font-size:14px}
.btn-wa:hover{background:#1da851;color:#fff}
.btn-lg{padding:16px 36px;font-size:16px}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--card-border);transition:box-shadow .3s}
.nav.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:var(--sky);color:#fff;font-weight:800;font-size:14px;border-radius:8px}
.logo-text{font-size:17px;font-weight:700;color:var(--heading)}
.logo-text span{color:var(--sky)}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-link{color:var(--text-light);font-size:14px;font-weight:500}
.nav-link:hover{color:var(--sky)}
.nav-link--cta{background:var(--sky);color:#fff;padding:8px 20px;border-radius:8px;font-weight:600}
.nav-link--cta:hover{background:var(--sky-dark);color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer}
.nav-toggle span{width:24px;height:2px;background:var(--heading);transition:.3s}

/* Hero */
.hero{padding:140px 0 80px;text-align:center;background:linear-gradient(170deg,var(--bg-alt) 0%,var(--bg) 100%)}
.hero-badge{display:inline-block;background:var(--sky-mist);color:var(--sky-dark);font-size:13px;font-weight:600;padding:6px 16px;border-radius:20px;margin-bottom:20px}
.hero h1{font-size:clamp(32px,5vw,56px);margin-bottom:20px}
.hero-sub{font-size:17px;color:var(--text-light);max-width:600px;margin:0 auto 32px}
.hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:48px}
.hero-stats{display:flex;justify-content:center;gap:40px;flex-wrap:wrap}
.stat{text-align:center}
.stat strong{display:block;font-size:clamp(24px,3vw,36px);color:var(--sky)}
.stat span{font-size:13px;color:var(--text-light);text-transform:uppercase;letter-spacing:1px}

/* Services */
.services-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.service-card{background:var(--card);border:1px solid var(--card-border);border-radius:16px;padding:32px 24px;transition:border-color .3s,transform .3s,box-shadow .3s}
.service-card:hover{border-color:var(--sky);transform:translateY(-4px);box-shadow:0 12px 32px rgba(14,165,233,.08)}
.service-icon{font-size:2.5rem;margin-bottom:16px}
.service-card h3{font-size:1.15rem;margin-bottom:10px}
.service-card p{font-size:14px;color:var(--text-light);margin-bottom:16px}
.service-card ul{padding-left:0}
.service-card li{font-size:13px;color:var(--text);padding:4px 0;padding-left:20px;position:relative}
.service-card li::before{content:'✓';position:absolute;left:0;color:var(--sky);font-weight:700}

/* Why */
.why-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.why-card{padding:28px;background:var(--card);border:1px solid var(--card-border);border-radius:16px}
.why-num{font-size:2rem;font-weight:900;color:var(--sky-mist);margin-bottom:12px}
.why-card h3{font-size:1.05rem;margin-bottom:8px}
.why-card p{font-size:14px;color:var(--text-light)}

/* Team */
.team-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:28px}
.team-card{background:var(--card);border:1px solid var(--card-border);border-radius:16px;padding:36px 28px;text-align:center}
.team-avatar{width:80px;height:80px;border-radius:50%;background:var(--sky);color:#fff;font-size:28px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;margin-bottom:20px}
.team-card h3{font-size:1.2rem;margin-bottom:4px}
.team-role{font-size:13px;color:var(--sky);font-weight:600;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}
.team-bio{font-size:14px;color:var(--text-light);margin-bottom:20px;line-height:1.7}
.team-phone{display:block;margin-top:10px;font-size:14px;color:var(--text-light)}
.team-phone:hover{color:var(--sky)}

/* Areas */
.areas-grid{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.area-tag{padding:8px 20px;border:1px solid var(--card-border);border-radius:8px;font-size:14px;color:var(--text);background:var(--card)}
.area-primary{border-color:var(--sky);color:var(--sky);font-weight:600;background:var(--sky-pale)}

/* CTA */
.cta-section{padding:60px 0 80px}
.cta-card{background:linear-gradient(135deg,var(--dark) 0%,#1e293b 100%);border-radius:24px;padding:48px 36px;text-align:center;color:#fff}
.cta-card h2{font-size:clamp(24px,3.5vw,36px);margin-bottom:12px;color:#fff}
.cta-card p{color:#94a3b8;margin-bottom:28px;font-size:16px}
.cta-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:32px}
.cta-contacts{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;font-size:14px;color:#94a3b8}
.cta-contacts a{color:var(--sky-light)}

/* Footer */
.footer{padding:40px 0;border-top:1px solid var(--card-border);background:var(--dark);color:#94a3b8}
.footer-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.footer .logo-mark{background:var(--sky)}
.footer .logo-text{color:#fff}
.footer .logo-text span{color:var(--sky-light)}
.footer-desc{width:100%;font-size:13px;color:#64748b;margin-top:8px}
.footer-links{display:flex;gap:24px;flex-wrap:wrap}
.footer-links a{font-size:13px;color:#64748b}
.footer-links a:hover{color:var(--sky-light)}
.footer-copy{font-size:13px;color:#475569;width:100%;text-align:center;margin-top:16px}

/* Theme Toggle */
.theme-toggle{background:none;border:1.5px solid var(--card-border);border-radius:8px;padding:6px 10px;cursor:pointer;font-size:1rem;color:var(--text);transition:all .2s}
.theme-toggle:hover{border-color:var(--sky);color:var(--sky)}

/* Dark Mode */
[data-theme="dark"]{
  --dark:#0c1222;--card:#1a2332;--card-border:#2a3a52;
  --text:#a0aec0;--text-light:#718096;--heading:#e2e8f0;
  --bg:#0f1923;--bg-alt:#162231;
}
[data-theme="dark"] .nav{background:rgba(15,25,35,.95);border-color:#2a3a52}
[data-theme="dark"] .hero{background:linear-gradient(170deg,#162231 0%,#0f1923 100%)}
[data-theme="dark"] .footer{background:#0a1219}
[data-theme="dark"] .cta-card{background:linear-gradient(135deg,#0ea5e9 0%,#0284c7 100%)}
[data-theme="dark"] .area-tag{background:#1a2332;border-color:#2a3a52;color:#a0aec0}
[data-theme="dark"] .area-primary{background:rgba(14,165,233,.1);border-color:var(--sky);color:var(--sky)}
[data-theme="dark"] .hero-badge{background:rgba(14,165,233,.15)}
[data-theme="dark"] .nav-menu{background:rgba(15,25,35,.98)}
[data-theme="dark"] .nav-toggle span{background:var(--heading)}

/* Responsive */
@media(max-width:768px){
  .nav-toggle{display:flex}
  .nav-menu{position:fixed;top:68px;left:0;right:0;bottom:0;background:rgba(255,255,255,.98);flex-direction:column;align-items:center;justify-content:center;gap:24px;transform:translateX(100%);transition:transform .3s}
  .nav-menu.open{transform:translateX(0)}
  .nav-link{font-size:18px}
  .hero{padding:110px 0 60px}
  .hero-stats{gap:20px}
  .services-grid,.why-grid,.team-grid{grid-template-columns:1fr}
  .section{padding:60px 0}
  .footer-inner{flex-direction:column;text-align:center}
  .footer-links{justify-content:center}
  .cta-contacts{flex-direction:column;gap:16px}
}