/* General Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f8fafc;
    color: #1e293b;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    position: relative;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    /* This uses a reliable Unsplash image from the original code */
    background: url('https://images.unsplash.com/photo-1506399558188-acca6f8cbf41?auto=format&fit=crop&q=80&w=1080') no-repeat center center/cover;
}

.overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.8); /* Dark slate blue overlay */
}

.hero .container {
    position: relative;
    z-index: 1;
}

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

.hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    color: #cbd5e1;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: 0.3s;
    margin: 5px;
}

.btn-primary {
    background-color: #2563eb;
    color: white;
}

.btn-primary:hover {
    background-color: #1d4ed8;
}

.btn-outline {
    border: 2px solid white;
    color: white;
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Stats Section */
.stats {
    background-color: #2563eb;
    color: white;
    padding: 50px 0;
}

.stat-item h2 {
    font-size: 2.5rem;
}

.stat-item p {
    color: #bfdbfe;
}

/* Features Section */
.features {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    transition: 0.3s;
}

.card:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.icon-box {
    font-size: 2rem;
    background: #eff6ff;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin-bottom: 20px;
}

/* Grid Layouts */
.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* Footer */
footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 40px 0;
    text-align: center;
}