:root {
    --primary: #2563eb;
    --light-blue: #f3f8ff;
    --text: #1e293b;
    --muted: #64748b;
}

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

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

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

.section {
    padding: 100px 0;
}

.light {
    background: var(--light-blue);
}

.center {
    text-align: center;
}

.muted {
    color: var(--muted);
    margin: 20px 0 40px;
}

h1 {
    font-size: 42px;
    margin-bottom: 25px;
}

h2 {
    font-size: 32px;
    margin-bottom: 30px;
}

h3 {
    margin-bottom: 15px;
}

p {
    margin-bottom: 20px;
    color: var(--muted);
}

.btn {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.btn:hover {
    background: #1d4ed8;
}

/* HEADER */

.header {
    position: fixed;
    width: 100%;
    background: white;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-weight: bold;
}

.menu {
    display: flex;
    gap: 30px;
}

.menu a {
    text-decoration: none;
    color: var(--text);
    font-size: 14px;
}

.menu-toggle {
    display: none;
    font-size: 22px;
    cursor: pointer;
}

/* HERO */

.hero {
    padding-top: 140px;
}

.hero-content {
    display: grid;
    gap: 60px;
    align-items: center;
}

.hero-image img {
    width: 100%;
    border-radius: 16px;
}

/* GRID */

.grid-2 {
    display: grid;
    gap: 60px;
    align-items: center;
}

.solution-box {
    background: white;
    padding: 50px;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(37,99,235,0.08);
}

.solution-box ul {
    list-style: none;
}

.solution-box li {
    margin-bottom: 15px;
    position: relative;
    padding-left: 20px;
}

.solution-box li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* INCLUDES */

.includes {
    display: grid;
    gap: 20px;
    margin-bottom: 40px;
}

.card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(37,99,235,0.05);
}

/* CASES */

.cases {
    display: grid;
    gap: 40px;
}

.case img {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 15px;
}

/* FOOTER */

.footer {
    padding: 40px 0;
    background: white;
    border-top: 1px solid #eee;
}

/* RESPONSIVE */

@media (min-width: 900px) {
    .hero-content,
    .grid-2 {
        grid-template-columns: 1fr 1fr;
    }

    .includes {
        grid-template-columns: repeat(3, 1fr);
    }

    .cases {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .menu {
        display: none;
        position: absolute;
        top: 80px;
        right: 5%;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    }

    .menu.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }
}