:root{
  --navy:#1E3A8A;
  --dark:#0F172A;
  --accent:#00D9FF;
  --text:#0b1220;
  --muted:#6b7280;
  --bg:#ffffff;
  --card:#F3F4F6;
  --shadow:0 10px 30px rgba(0,0,0,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* Layout */
.container{width:min(1120px, calc(100% - 2rem));margin-inline:auto}
.section{padding:5rem 0}

/* Header */
.header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(30,58,138,.95);backdrop-filter:saturate(140%) blur(8px);transition:box-shadow .25s ease, background .25s ease}
.header.scrolled{box-shadow:0 8px 22px rgba(0,0,0,.22);background:rgba(30,58,138,1)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}
.brand{display:flex;gap:.75rem;align-items:center;font-weight:800;color:#fff}
.brand .mark{width:40px;height:40px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg, rgba(0,217,255,.25), rgba(0,217,255,.05));border:1px solid rgba(0,217,255,.35)}
.brand .mark svg{width:26px;height:26px}
.brand span{font-size:1.35rem;letter-spacing:.2px}

.menu{display:flex;gap:2rem;align-items:center}
.menu a{color:#fff;font-weight:600;position:relative}
.menu a:hover{color:var(--accent)}
.menu a::after{content:"";position:absolute;left:0;bottom:-8px;height:2px;width:0;background:var(--accent);transition:width .25s ease}
.menu a:hover::after{width:100%}

.mobile-toggle{display:none;border:none;background:transparent;color:#fff;padding:.4rem;border-radius:10px}
.mobile-toggle:hover{color:var(--accent);background:rgba(255,255,255,.07)}
.mobile-menu{display:none;padding:0 0 1rem}
.mobile-menu a{display:block;padding:.6rem 0;color:#fff;font-weight:600}
.mobile-menu a:hover{color:var(--accent)}

/* Hero */
.hero{min-height:100vh;display:grid;place-items:center;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:url('https://images.unsplash.com/photo-1675320458457-fe4576cbd0f8?auto=format&fit=crop&w=2400&q=80') center/cover no-repeat;transform:scale(1.02)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg, rgba(30,58,138,.95), rgba(30,58,138,.83), rgba(15,23,42,.92))}
.hero-inner{position:relative;z-index:1;text-align:center;color:#fff;padding-top:4.5rem}
.hero h1{font-size:clamp(2.2rem, 4vw, 4.2rem);line-height:1.08;margin:0 0 1.25rem;font-weight:900}
.hero h1 .accent{color:var(--accent)}
.hero p{font-size:clamp(1.05rem, 1.6vw, 1.35rem);max-width:60ch;margin:0 auto 2rem;color:rgba(255,255,255,.86)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:none;cursor:pointer;font-weight:700;border-radius:14px;padding: .95rem 1.25rem;transition:transform .12s ease, box-shadow .2s ease, background .2s ease, color .2s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:#fff;color:var(--navy);box-shadow:0 8px 22px rgba(0,0,0,.18)}
.btn-primary:hover{background:rgba(255,255,255,.92)}
.btn-accent{background:var(--accent);color:var(--dark);box-shadow:0 10px 24px rgba(0,217,255,.22)}
.btn-accent:hover{background:rgba(0,217,255,.9)}
.btn-block{width:100%}
.btn[disabled]{opacity:.65;cursor:not-allowed}

/* Scroll indicator */
.scroll-indicator{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);z-index:1}
.pill{width:26px;height:42px;border:2px solid rgba(255,255,255,.5);border-radius:999px;display:flex;justify-content:center;padding:.5rem}
.pill .dot{width:4px;height:12px;background:rgba(255,255,255,.5);border-radius:99px;animation:bounce 1.5s infinite}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(10px)}}

/* About */
.section-title{font-size:clamp(1.9rem, 3vw, 3rem);margin:0 0 1rem;font-weight:900;text-align:center;color:var(--navy)}
.section-title .accent{color:var(--accent)}
.lead{text-align:center;color:#374151;font-size:1.1rem;max-width:78ch;margin:0 auto 2.5rem;line-height:1.7}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;margin-top:2.25rem}
.stat{background:var(--card);border-radius:18px;padding:1.5rem;text-align:center}
.stat .num{color:var(--accent);font-size:2rem;font-weight:900;margin-bottom:.25rem}
.stat .label{color:#374151;font-weight:700}

/* Services */
.section-dark{background:linear-gradient(135deg, var(--dark), var(--navy));color:#fff}
.section-dark .section-title{color:#fff}
.section-dark .lead{color:rgba(255,255,255,.75)}
.card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:2rem;box-shadow:var(--shadow)}
.card h3{margin:.5rem 0 .75rem}
.card p{margin:0;color:rgba(255,255,255,.78);line-height:1.6}
.icon-badge{width:64px;height:64px;border-radius:18px;background:rgba(0,217,255,.12);display:grid;place-items:center;border:1px solid rgba(0,217,255,.22);color:var(--accent);margin:0 auto 1rem}

/* Contact page */
.page{padding-top:5.5rem}
.contact-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:2.25rem;align-items:start}
.form-card{background:#fff;border-radius:18px;padding:2rem;box-shadow:var(--shadow)}
.form-card h2{margin:0 0 1.25rem;color:var(--navy)}
.field label{display:block;font-size:.9rem;font-weight:700;color:#374151;margin:0 0 .45rem}
.field input,.field textarea{width:100%;padding:.9rem 1rem;border-radius:14px;border:1px solid #d1d5db;outline:none;font-size:1rem}
.field input:focus,.field textarea:focus{border-color:transparent;box-shadow:0 0 0 3px rgba(0,217,255,.35)}
.field textarea{resize:none}
.stack{display:grid;gap:1.05rem}
.info-card{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:2rem;backdrop-filter:blur(10px)}
.info-card h2{margin:0 0 1.25rem}
.info{display:flex;gap:1rem;align-items:flex-start}
.info .badge{width:44px;height:44px;border-radius:12px;background:var(--accent);display:grid;place-items:center;color:var(--navy)}
.info p{margin:.25rem 0 0;color:rgba(255,255,255,.78)}

/* Footer */
.footer{padding:2rem 0;background:#0b1220;color:rgba(255,255,255,.75)}
.footer .foot{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}

/* Toast */
.toast{position:fixed;right:1rem;bottom:1rem;max-width:420px;z-index:100;display:grid;gap:.6rem}
.toast-item{background:#111827;color:#fff;border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:1rem 1rem;box-shadow:var(--shadow)}
.toast-item .title{font-weight:900;margin:0 0 .25rem}
.toast-item .desc{margin:0;color:rgba(255,255,255,.8)}
.toast-item.destructive{border-color:rgba(239,68,68,.35)}

/* Responsive */
@media (max-width: 860px){
  .menu{display:none}
  .mobile-toggle{display:inline-flex}
  .mobile-menu.open{display:block}
  .stats{grid-template-columns:1fr;}
  .contact-wrap{grid-template-columns:1fr}
}