:root {
    --primary: #003366;
    --secondary: #004080;
    --accent: #0059b3;
    --text: #333333;
    --light: #f4f7f9;
    --white: #ffffff;
    --border: #e5e7eb;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Segoe UI", Arial, sans-serif;
    line-height: 1.7;
    color: var(--text);
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: var(--white);
    box-shadow: 0 2px 15px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 24px;
}

.nav-links li {
    margin: 0;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    transition: .3s;
}

.nav-links a:hover {
    color: var(--primary);
}

.hero {
    background: linear-gradient(135deg,#003366,#004c99);
    color: white;
    padding: 120px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.15rem;
}

section {
    padding: 80px 0;
}

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

.section-title h1,
.section-title h2 {
    color: var(--primary);
}

h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    color: var(--primary);
}

h2 {
    color: var(--primary);
    margin-bottom: 20px;
    margin-top: 20px;
}

h3 {
    color: var(--secondary);
    margin-bottom: 10px;
    margin-top: 20px;
}

p {
    margin-bottom: 15px;
}

ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

li {
    margin-bottom: 8px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(320px,1fr));
    gap: 30px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0,0,0,.05);
    transition: .3s;
}

.card:hover {
    transform: translateY(-4px);
}

form {
    width: 100%;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

input,
textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 15px;
    transition: .3s;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
}

button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: .3s;
}

button:hover {
    background: var(--secondary);
}

a {
    color: var(--primary);
}

footer {
    background: #111827;
    color: #d1d5db;
    padding: 60px 0 20px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-grid h4 {
    color: white;
    margin-bottom: 15px;
}

.footer-grid ul {
    list-style: none;
    margin: 0;
}

.footer-grid li {
    margin-bottom: 10px;
}

.footer-grid a {
    color: #d1d5db;
    text-decoration: none;
}

.footer-grid a:hover {
    color: white;
}

.copyright {
    text-align: center;
    border-top: 1px solid #374151;
    padding-top: 20px;
}

.faq-question {
    cursor: pointer;
    background: var(--light);
    padding: 15px;
    border-radius: 6px;
    margin-top: 10px;
    font-weight: 600;
}

.faq-answer {
    display: none;
    padding: 15px;
    border: 1px solid var(--border);
    border-top: none;
}

@media (max-width: 768px) {

    nav {
        flex-direction: column;
        gap: 15px;
    }

    .nav-links {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .hero {
        padding: 80px 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    h1 {
        font-size: 2rem;
    }

    .container {
        padding: 0 15px;
    }

}