/* Variables & Reset */
:root {
    --primary-color: #2563eb;
    --dark-color: #0f172a;
    --light-bg: #f8fafc;
    --text-gray: #64748b;
    --white: #ffffff;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--white);
}

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

/* Navbar */
.navbar {
    padding: 20px 0;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #eee;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

.logo span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
}

/* Buttons */
.btn-primary {
    background: var(--primary-color);
    color: white !important;
    padding: 10px 25px;
    border-radius: 8px;
    transition: 0.3s;
}

.btn-secondary {
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 10px 25px;
    border-radius: 8px;
    text-decoration: none;
    margin-left: 10px;
}

/* Hero Section */
.hero {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(to bottom, #f0f7ff, #ffffff);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto 30px;
}

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

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

.card {
    padding: 40px;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.card h3 {
    margin-bottom: 15px;
}