/* Core Variables & Resets */
:root {
    --navy: #0a192f;
    --navy-light: #112240;
    --info-blue: #0ea5e9;
    --white: #ffffff;
    --grey-text: #94a3b8;
}

* { box-sizing: border-box; }

body { 
    font-family: 'Inter', sans-serif; 
    color: #334155; 
    overflow-x: hidden; /* Critical: Prevents the white side-scroll */
    width: 100%;
    margin: 0;
    padding: 0;
}

/* --- Navbar & Logo --- */
.navbar { background-color: var(--navy); padding: 0.6rem 0; }
.navbar-brand img { height: 40px; width: auto; }

/* --- Hero Section (The Fix) --- */
.hero-section {
    position: relative;
    min-height: 100vh;
    background: linear-gradient(rgba(10, 25, 47, 0.8), rgba(10, 25, 47, 0.85)), 
                url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    color: white;
    padding: 80px 0; /* Padding instead of fixed height */
    overflow: hidden;
}

.hero-section h1 {
    font-size: clamp(1.8rem, 8vw, 3.5rem); /* Dynamic sizing for mobile */
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-section .lead {
    font-size: clamp(1rem, 4vw, 1.25rem);
    opacity: 0.9;
}

/* --- Responsive Buttons --- */
.hero-btns {
    display: flex;
    flex-wrap: wrap; /* Allows stacking on tiny screens */
    gap: 15px;
}

@media (max-width: 576px) {
    .hero-btns .btn {
        width: 100%; /* Full width buttons for mobile touch targets */
        margin: 0;
    }
}

/* --- Service Boxes --- */
.service-box {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 25px;
    height: 100%;
    transition: 0.3s;
    background: #fff;
}
.service-box:hover {
    border-color: var(--info-blue);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

/* --- Modern Footer (Responsive) --- */
footer {
    background-color: #050b16;
    color: var(--grey-text);
    padding: 60px 0 20px;
    font-size: 0.9rem;
}

footer h5, footer h6 { color: white; font-weight: 700; margin-bottom: 20px; }

footer a {
    color: var(--grey-text);
    text-decoration: none;
    transition: 0.3s;
}

footer a:hover { color: var(--info-blue); padding-left: 5px; }

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    margin-right: 10px;
    color: white;
}
.footer-social a:hover { background: var(--info-blue); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 20px;
    margin-top: 40px;
}

/* --- WhatsApp --- */
.whatsapp-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25d366;
    width: 55px; height: 55px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: white; font-size: 28px; z-index: 9999;
}