:root{
  --blue-900:#0b3d91;
  --blue-700:#1266d1;
  --blue-500:#2a8df7;
  --slate-800:#0f1720;
  --muted:#6b7280;
  --bg:#f7fbff;
  --card:#ffffff;
  --radius:12px;
  --container:1100px;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  color-scheme: light;
}

* {
    box-sizing:border-box
}

html, body {
    height:100%;
    margin:0;
    background:linear-gradient(180deg,var(--bg),#ffffff);
    color:var(--slate-800);
    -webkit-font-smoothing:antialiased
}

.container {
    max-width:var(--container);
    margin:0 auto;
    padding:24px
}

.site-header {
    backdrop-filter:saturate(120%) blur(6px);
    position:sticky;
    top:0;
    background:rgba(255,255,255,0.7);
    border-bottom:1px solid rgba(15,23,32,0.04);
    z-index:50
}

.header-inner {
    display:flex;
    align-items:center;
    justify-content:space-between
}

.logo {
    font-weight:700;
    color:var(--blue-900);
    text-decoration:none;
    font-size:1.05rem
}

.nav {
    display:flex;
    gap:18px;
    align-items:center
}

.nav a {
    color:var(--slate-800);
    text-decoration:none;
    font-weight:500
}

.nav-item svg { 
    display: none; 
}

.btn {
    display:inline-block;
    padding:10px 16px;
    border-radius:10px;
    text-decoration:none;
    font-weight:600;
    cursor:pointer;
    border:1px solid transparent
}

.btn-primary {
    background:linear-gradient(90deg,var(--blue-700),var(--blue-500));
    color:white;
    box-shadow:0 6px 18px rgba(41,126,255,0.12)
}

.btn-outline {
    background:transparent;
    border-color:rgba(13,43,105,0.08);
    color:var(--blue-900)
}

.btn-light {
    background:rgba(11,61,145,0.06);
    color:var(--blue-900)
}

.nav-toggle {
    display:none;
    background:transparent;
    border:0;
    font-size:1.25rem
}

.hero {
    padding:48px 0
}

.hero-grid {
    display:grid;
    grid-template-columns:1fr 480px;
    gap:28px;
    align-items:center
}

.hero h1 {
    font-size:2rem;
    margin:0 0 12px;
    color:var(--slate-800)
}

.lead {
    color:var(--muted);
    margin-bottom:18px
}

.hero-ctas .btn {
    margin-right:12px
}

.trust {
    display:flex;
    gap:12px;
    margin-top:18px;
    list-style:none;
    padding:0;
    color:var(--muted);
    font-size:0.95rem
}

.device-frame {
    border-radius:14px;
    overflow:hidden;
    box-shadow:0 12px 40px rgba(10,30,80,0.08)
}

.device-frame img {
    width:100%;
    height:100%;
    object-fit:cover;
    display:block
}

/* Lead capture */
.lead-capture {
    margin-top:18px
}

.lead-box {
    display:flex;
    gap:28px;
    background:var(--card);
    padding:20px;
    border-radius:14px;
    align-items:center;
    box-shadow:0 8px 30px rgba(10,30,80,0.04)
}

.lead-form {
    display:flex;
    gap:8px;
    flex-wrap:wrap;
    align-items:center
}

.lead-form input, .lead-form select {
    padding:10px 12px;
    border-radius:8px;
    border:1px solid #e6eefc;
    background:#fff;
    min-width:160px
}

.lead-form button {
    height:44px
}

/* Services */
.section {
    padding:46px 0
}

.section-title {
    font-size:1.25rem;
    margin-left:18px;
    margin-bottom:18px;
    color:var(--slate-800)
}

.cards-grid {
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:16px
}

.card {
    background:var(--card);
    padding:18px;
    border-radius:12px;
    box-shadow:0 6px 20px rgba(10,30,80,0.04)
}
 
.card h3 {
    margin:0 0 8px
}

/* Specialty */
.specialty-grid {
    display:grid;
    grid-template-columns:1fr 360px;
    gap:24px;
    align-items:center
}

.special-graphic img {
    width:100%;
    border-radius:12px;
    display:block
}

/* Testimonials & FAQ */
.testimonials-grid {
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:12px
}

.testimonial {
    background:linear-gradient(180deg,#fff,#fbfdff);
    padding:18px;
    border-radius:12px;
    box-shadow:0 6px 20px rgba(10,30,80,0.03)
}

.testimonial footer {
    margin-top:12px;
    font-size:0.9rem;
    color:var(--muted)
}

/* Contact */
.contact-grid {
    display:grid;
    grid-template-columns:1fr 420px;
    gap:24px;
    align-items:start
}

.contact-info {
    background:linear-gradient(90deg,rgba(42,141,247,0.08),rgba(18,102,209,0.03));
    padding:20px;
    border-radius:12px
}

.contact-form {
    background:var(--card);
    padding:18px;
    border-radius:12px;
    display:flex;
    flex-direction:column;
    gap:10px
}

.contact-form input, .contact-form textarea {
    padding:10px;
    border-radius:8px;
    border:1px solid #e9f2ff
}

/* Footer */
.site-footer {
    border-top:1px solid rgba(15,23,32,0.04);
    background:transparent;
    padding:18px 0;
    margin-top:36px
}

.footer-inner {
    display:flex;
    justify-content:space-between;
    align-items:center;
    color:var(--muted);
    font-size:0.95rem
}

.bullets {
    list-style:none;
    padding:0;
    margin:14px 0 18px
}

.bullets li {
    margin-bottom:10px;
    color:var(--muted)
}

/* Details/FAQ */
details {
    background:#fff;
    padding:12px;
    border-radius:10px;
    border:1px solid rgba(11,61,145,0.04)
}

details summary {
    cursor:pointer;
    font-weight:600;
    color:var(--slate-800)
}

.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.gallery-item{border:0;padding:0;background:transparent;border-radius:10px;overflow:hidden;cursor:pointer}
.gallery-item img{width:100%;height:140px;object-fit:cover;display:block;transition:transform .28s ease}
.gallery-item:hover img{transform:scale(1.03)}

/* Lightbox */
.lightbox{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(7,12,22,0.75);z-index:120;padding:20px}
.lightbox[aria-hidden="false"], .lightbox.open{display:flex}
.lightbox-img{max-width:92%;max-height:78%;border-radius:10px;box-shadow:0 20px 60px rgba(2,6,23,0.6)}
.lightbox-close, .lightbox-prev, .lightbox-next{position:fixed;background:transparent;border:0;color:#fff;font-size:28px;cursor:pointer}
.lightbox-close{top:18px;right:18px}
.lightbox-prev{left:18px;top:50%;transform:translateY(-50%)}
.lightbox-next{right:18px;top:50%;transform:translateY(-50%)}

/* Responsive */
@media (max-width:1000px){
    .hero-grid{
        grid-template-columns:1fr
    }

    .specialty-grid {
        grid-template-columns:1fr
    }

    .contact-grid {
        grid-template-columns:1fr
    }

    .header-inner {
        gap:12px
    }
}

/* Mobile: sticky bottom navigation */
@media (max-width:720px){
    #gallery {
        margin-bottom:92px
    }
    
    .nav-item {
        display:flex;
        flex-direction:column;
        align-items:center;
        justify-content:center;
        gap:6px;
        padding:6px 8px;
        border-radius:12px;
        color:var(--muted);
        text-decoration:none;
        font-size:12px
    }

    .nav-item svg {
        width:20px;
        height:20px;
        stroke:var(--muted);
        display:block
    }

    .nav-item .nav-label {
        line-height:1
    }

    .nav-item[aria-current="page"], .nav-item.active {
        background:linear-gradient(90deg,rgba(42,141,247,0.12),rgba(18,102,209,0.06));
        color:var(--blue-900)
    }

    .nav-item[aria-current="page"] svg, .nav-item.active svg {
        stroke:var(--blue-900)
    }

    .nav-toggle {
        display:none
    } /* hide hamburger, we'll show bottom bar */

    .site-header {
        position:static;
        backdrop-filter:none;
        border-bottom:0
    }

    .nav {
        position:fixed;
        top:auto;
        left: 0;
        right: 0;
        bottom: 0;
        margin: 0 auto;
        max-width:720px;
        height:64px;
        background:linear-gradient(90deg,rgba(255,255,255,0.98),rgba(250,250,255,0.98));
        box-shadow:0 12px 30px rgba(10,30,80,0.12);
        border-radius:18px;
        display:flex;
        align-items:center;
        justify-content:space-around;
        padding:8px 14px;
        z-index:60;
        border:1px solid rgba(11,61,145,0.06)
    }

    .nav a {
        display:flex;
        flex-direction:column;
        align-items:center;
        justify-content:center;
        gap:4px;
        padding:6px 10px;
        border-radius:12px;
        color:var(--blue-900);
        font-weight:600;
        text-decoration:none
    }

    .nav a:hover {
        background:rgba(42,141,247,0.06)
    }

    .nav a.btn-outline, .nav a.btn-light, .nav a.btn-primary {
        border:0;
        background:transparent;
        color:var(--blue-900)
    }

    .container {
        padding-left:16px;
        padding-right:16px
    } /* tighten container on small screens */

    .lead-box {
        flex-direction:column
    }
    
    .lead-form input {
        width:100%
    }
    /* ensure page content has room above bottom nav */
    main {
        padding-bottom:92px
    }
}