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

body {
    font-family: 'Montserrat', sans-serif;
    color: #1f2937;
    line-height: 1.6;
    padding-top: 80px;
}

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

/* NAVBAR */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(17,24,39,0.95);
    backdrop-filter: blur(6px);
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}

.navbar a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    margin-left: 25px;
}

.navbar a:hover {
    color: #60a5fa;
}

/* HERO */

.hero {
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 140px 20px;
    position: relative;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 20px;
}

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

/* BUTTON */

.btn {
    display: inline-block;
    padding: 14px 28px;
    background-color: #1f3c88;
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: 5px;
    transition: 0.3s;
}

.btn:hover {
    background-color: #16306b;
}

/* SECTION */

.section {
    padding: 80px 20px;
}

.section h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    font-weight: 700;
}

.section p {
    text-align: center;
    max-width: 800px;
    margin: auto;
    margin-bottom: 30px;
}

/* FEATURES */

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-box {
    background: #f4f6f9;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.feature-box h3 {
    margin-bottom: 15px;
}

.dark {
    background-color: #111827;
    color: white;
}

.dark .feature-box {
    background-color: #1f2937;
}

/* FORM */

form {
    max-width: 600px;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input, textarea {
    padding: 14px;
    border-radius: 5px;
    border: 1px solid #ccc;
    font-family: 'Montserrat', sans-serif;
}

button {
    padding: 14px;
    border: none;
    background-color: #1f3c88;
    color: white;
    font-weight: 600;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #16306b;
}

footer {
    background-color: #0f172a;
    color: #9ca3af;
    text-align: center;
    padding: 30px 20px;
    font-size: 14px;
}