:root {
    --db-blue: #003366;
    --db-accent: #006699;
    --db-light-blue: #eef4f8;
    --text-main: #2c3e50;
    --text-muted: #576574;
    --white: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-main);
    line-height: 1.8;
    margin: 0;
    background-color: #f9f9f9;
}

.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* Header & Nav */
header { background: var(--white); border-bottom: 4px solid var(--db-blue); padding: 15px 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
nav { display: flex; justify-content: space-between; align-items: center; }
.logo-area { display: flex; align-items: center; gap: 10px; }
.logo-badge { background: var(--db-blue); color: white; padding: 5px 10px; font-weight: bold; border-radius: 3px; }
.logo-text { font-weight: 700; color: var(--db-blue); font-size: 1.2rem; }
nav ul { list-style: none; display: flex; gap: 25px; margin: 0; }
nav ul a { text-decoration: none; color: var(--text-main); font-weight: 600; font-size: 14px; transition: 0.3s; }
nav ul a:hover { color: var(--db-accent); }

/* Sections */
.hero { background: linear-gradient(135deg, var(--db-blue), var(--db-accent)); color: white; padding: 100px 0; text-align: center; }
.hero h1 { font-size: 2.8rem; margin-bottom: 20px; font-weight: 300; }
.hero p { font-size: 1.2rem; opacity: 0.9; max-width: 700px; margin: 0 auto; }

.content-block { padding: 80px 0; background: var(--white); }
.bg-light { background: var(--db-light-blue); }

h2 { font-size: 2rem; color: var(--db-blue); margin-bottom: 30px; position: relative; padding-bottom: 10px; }
h2::after { content: ''; position: absolute; left: 0; bottom: 0; width: 60px; height: 3px; background: var(--db-accent); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 40px; }
.info-card { background: white; padding: 30px; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); border: 1px solid #eee; }
.info-card h3 { color: var(--db-accent); margin-top: 0; }

/* Forms */
.contact-form { max-width: 600px; margin: 0 auto; background: white; padding: 40px; border-radius: 10px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
input, textarea { width: 100%; padding: 12px; margin-bottom: 20px; border: 1px solid #ddd; border-radius: 5px; font-size: 16px; }
.btn-submit { background: var(--db-blue); color: white; border: none; padding: 15px 30px; border-radius: 5px; cursor: pointer; font-weight: bold; width: 100%; transition: 0.3s; }
.btn-submit:hover { background: var(--db-accent); }

/* Footer */
footer { background: #1a1a1a; color: #bdc3c7; padding: 60px 0 30px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 40px; }
footer h4 { color: white; margin-bottom: 20px; }
footer a { color: #bdc3c7; text-decoration: none; display: block; margin-bottom: 10px; }
footer a:hover { color: white; }
.footer-bottom { border-top: 1px solid #333; padding-top: 20px; text-align: center; }