:root {

    --bg-main: #f4f7fb;
    --bg-card: #ffffff;

    --primary: #0f766e;
    --primary-dark: #0b5f59;
    --accent: #14b8a6;

    --text-main: #111827;
    /* --text-secondary: #4b5563; */
    --text-secondary: #1b1b1b;

    --border: #e5e7eb;

    --shadow-soft: rgba(0,0,0,0.08);
    --shadow-header: rgba(0,0,0,0.15);

    --font-body: "Inter", "Segoe UI", Arial, sans-serif;
    --font-heading: "Poppins", "Segoe UI", Arial, sans-serif;
}

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

body {
    background: var(--bg-main);
    font-family: var(--font-body);
    color: var(--text-main);
    line-height: 1.7;
}

/* Header */

.header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 70px 20px;
    text-align: center;
    color: white;
    box-shadow: 0 10px 30px var(--shadow-header);
}

.header h1 {
    font-family: var(--font-heading);
    font-size: 40px;
    font-weight: 600;
}

.subtitle {
    margin-top: 8px;
    font-size: 18px;
    opacity: 0.9;
}

.effective-date {
    margin-top: 8px;
    font-size: 14px;
    opacity: 0.8;
}

/* Layout */

.main-container {
    max-width: 900px;
    margin: 50px auto;
    padding: 20px;
}

.card {
    background: var(--bg-card);
    padding: 50px;
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 40px var(--shadow-soft);
}

/* Headings */

.card h2 {
    font-family: var(--font-heading);
    font-size: 24px;
    color: var(--primary);
    margin-top: 35px;
    margin-bottom: 12px;
}

/* Paragraph */

.paragraph {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

/* Lists */

.list {
    margin-top: 10px;
    margin-bottom: 10px;
    padding-left: 18px;
}

.list li {
    margin-bottom: 8px;
}

/* Links */

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Contact */

.contact {
    font-weight: 500;
    margin-top: 10px;
}

/* Responsive */

@media (max-width: 768px) {

    .card {
        padding: 30px;
    }

    .header h1 {
        font-size: 30px;
    }

}