:root {
    --primary: #2BB7A8;
    --primary-dark: #23998D;
    --gradient: linear-gradient(135deg, #5FCFC4, #2BB7A8);
    --text: #222;
    --light-gray: #f5f7f8;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    background: white;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px;
}

/* HEADER */

.main-header {
    background: white;
    border-bottom: 1px solid #eee;
    padding: 15px 0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 45px;
}

.nav a {
    margin: 0 15px;
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
}

.header-buttons .btn {
    margin-left: 10px;
}

/* BUTTONS */

.btn {
    padding: 10px 18px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
}

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

.btn-outline {
    border: 1px solid var(--primary);
    color: var(--primary);
}

.large {
    padding: 14px 28px;
    font-size: 18px;
}

/* HERO */

.hero {
    padding: 100px 0;
    background: var(--light-gray);
}

.hero-text h1 {
    font-size: 42px;
    margin-bottom: 20px;
}

.hero-text p {
    font-size: 18px;
    margin-bottom: 30px;
}

/* FEATURES */

.features {
    padding: 80px 0;
}

.features h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 32px;
}

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

.feature-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    text-align: center;
}

/* FOOTER */

.main-footer {
    background: #1f1f1f;
    color: #ddd;
    padding: 60px 0 20px;
}

.footer-inner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-col h4 {
    margin-bottom: 15px;
}

.footer-col a {
    display: block;
    color: #bbb;
    text-decoration: none;
    margin-bottom: 8px;
}

.footer-bottom {
    text-align: center;
    margin-top: 40px;
    font-size: 14px;
    color: #777;
}

/* RESPONSIVE */

@media (max-width: 992px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .header-inner {
        flex-direction: column;
        gap: 15px;
    }
}