/* assets/css/style.css */
:root {
    --primary-color: #0056b3;
    --secondary-color: #00d2ff;
    --accent-color: #3a7bd5;
    --text-dark: #333333;
    --text-light: #f8f9fa;
    --bg-light: #ffffff;
    --bg-dark: #0f172a; /* Sleek dark mode bg */
    --card-bg-light: #ffffff;
    --card-bg-dark: #1e293b;
    --font-primary: 'Inter', sans-serif;
    --transition: all 0.3s ease-in-out;
}

[data-theme="dark"] {
    --bg-light: var(--bg-dark);
    --text-dark: var(--text-light);
    --card-bg-light: var(--card-bg-dark);
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-light);
    color: var(--text-dark);
    transition: var(--transition);
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 { font-weight: 700; }
.text-gradient {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navbar (Glassmorphism) */
.navbar {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}
[data-theme="dark"] .navbar {
    background: rgba(15, 23, 42, 0.8) !important;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.navbar-brand { font-weight: 800; font-size: 1.5rem; letter-spacing: -0.5px; }
.nav-link { font-weight: 500; color: var(--text-dark) !important; transition: var(--transition); }
.nav-link:hover { color: var(--primary-color) !important; }

/* Buttons */
.btn-custom {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: white;
    border: none;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(0, 86, 179, 0.3);
}
.btn-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 86, 179, 0.5);
    color: white;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px; /* Offset for navbar */
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(0,210,255,0.1) 0%, rgba(58,123,213,0) 50%);
    animation: rotateBg 20s linear infinite;
    z-index: -1;
}
@keyframes rotateBg {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Service Cards */
.service-card {
    background: var(--card-bg-light);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: var(--transition);
    border: 1px solid transparent;
    height: 100%;
}
[data-theme="dark"] .service-card {
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    border-color: rgba(255,255,255,0.05);
}
.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--secondary-color);
}
.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    background: -webkit-linear-gradient(var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Footer */
footer {
    background: #0b1120;
    color: #a0aec0;
    padding: 60px 0 20px;
}
footer h5 { color: white; font-weight: 600; margin-bottom: 20px; }
footer a { color: #a0aec0; text-decoration: none; transition: 0.3s; }
footer a:hover { color: var(--secondary-color); }

/* Theme Toggle */
.theme-toggle {
    background: none; border: none; font-size: 1.2rem; color: var(--text-dark); cursor: pointer;
}