/* Import Modern Font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap');

:root {
    --primary-color: #0c4a6e; 
    --accent-color: #0284c7;
    --dark-grey: #1e293b;
    --light-grey: #f1f5f9;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: #334155;
    line-height: 1.6;
}

/* Header & Navigation */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #e2e8f0;
}

.logo { 
    font-size: 1.5rem; 
    font-weight: 800; 
    color: var(--primary-color); 
    text-decoration: none; 
}

.nav-links a {
    margin-left: 20px;
    text-decoration: none;
    color: var(--dark-grey);
    font-weight: 600;
    transition: 0.3s;
}

.nav-links a:hover { color: var(--accent-color); }

/* Buttons */
.btn {
    background: var(--accent-color);
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s ease;
}

.btn:hover { background: var(--primary-color); }

/* Hero Video Section */
.hero-video {
    position: relative;
    height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.hero-video video {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.hero-video::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.4);
    z-index: 0;
}

.hero-content { z-index: 1; }

.hero-content h1 { font-size: 3.5rem; margin-bottom: 1rem; }

/* Sections */
.services { 
    padding: 80px 5%; 
    background: var(--light-grey); 
    text-align: center; 
}

.services-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 30px; 
    max-width: 1200px; 
    margin: 40px auto; 
}

.card { 
    background: white; 
    padding: 40px; 
    border-radius: 12px; 
    box-shadow: 0 4px 15px rgba(0,0,0,0.05); 
}

footer { 
    background: #0f172a; 
    color: white; 
    text-align: center; 
    padding: 60px 20px; 
}