:root {
    --brand-primary: #00bfff;
    --brand-primary-dark: #008fb3;
    --bg-dark: #0a1628;
    --bg-nav: #0f1a2e;
    --bg-body: #f4f4f4;
    --text-main: #333;
    --card-shadow: 0 1px 4px rgba(0,0,0,0.08);
    --font-family: -apple-system, 'Segoe UI', 'Roboto', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-body);
}

header {
    background-color: var(--bg-dark);
    background-image: linear-gradient(90deg, var(--bg-dark), #0f1a2e);
    color: white;
    padding: 1rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

header::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 12% 26%, rgba(0,191,255,0.06), transparent 8%), 
                radial-gradient(circle at 85% 50%, rgba(0,191,255,0.035), transparent 15%);
    pointer-events: none;
    mix-blend-mode: screen;
}

nav { background-color: var(--bg-nav); padding: 1rem; text-align: center; }

nav a {
    color: white;
    text-decoration: none;
    margin: 0 1rem;
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav a:hover, nav a.active {
    background-color: rgba(0,191,255,0.12);
    color: var(--brand-primary);
}

main {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Service Cards */
.services-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 1.5rem; }

.service-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-left: 4px solid var(--brand-primary);
    padding: 1.5rem;
    border-radius: 6px;
    box-shadow: var(--card-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover { transform: translateY(-4px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }

/* Buttons & Inputs */
button, input[type="submit"], input[type="button"] {
    padding: 1rem 2rem;
    font-family: var(--font-family);
    font-weight: 600;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-dark) 100%);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,191,255,0.25); }

textarea, input[type="text"], input[type="email"], select {
    width: 100%;
    padding: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.9);
}

.hero {
    padding: 1rem 0 2rem 0;
}

.lead {
    font-size: 1.15rem;
    font-weight: 600;
    color: #0f1a2e;
    margin: 1rem 0;
}

.content-card {
    margin-top: 1.5rem;
    padding: 1.5rem 0;
}

.cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 0.9rem 1.4rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #00bfff 0%, #008fb3 100%);
    color: white;
}

.btn-secondary {
    background: #e9eef5;
    color: #0f1a2e;
}

.btn-primary:hover,
.btn-secondary:hover {
    transform: translateY(-2px);
}

.content-card ul {
    margin-top: 1rem;
    padding-left: 1.25rem;
}

.content-card li {
    margin-bottom: 0.6rem;
}