:root {
    --primary: #0b2545;
    --secondary: #134074;
    --accent: #00a896;
    --bg-light: #f8f9fa;
    --text-dark: #1d2d44;
    --text-muted: #6c757d;
    --white: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { background-color: var(--bg-light); color: var(--text-dark); }

header {
    background-color: var(--primary);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

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

.btn-login {
    background-color: var(--accent);
    color: var(--white);
    padding: 0.6rem 1.4rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
}
.btn-login:hover { background-color: #008f80; }

.hero {
    padding: 4rem 5%;
    text-align: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
}
.hero h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.hero p { font-size: 1.2rem; max-width: 800px; margin: 0 auto; opacity: 0.9; }

.container { padding: 4rem 5%; max-width: 1200px; margin: 0 auto; }
.section-title { text-align: center; margin-bottom: 3rem; font-size: 2rem; color: var(--primary); }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--white);
    padding: 1.8rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border-top: 4px solid var(--accent);
    transition: transform 0.2s;
}
.card:hover { transform: translateY(-5px); }
.card-icon { font-size: 2.2rem; margin-bottom: 1rem; }
.card h3 { color: var(--primary); margin-bottom: 0.5rem; }
.card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.5; }
.badge { display: inline-block; margin-top: 1rem; padding: 0.3rem 0.6rem; font-size: 0.75rem; border-radius: 4px; font-weight: bold; }
.badge-active { background: #e6f4ea; color: #1e7e34; }
.badge-dev { background: #fff3cd; color: #856404; }

.login-box {
    max-width: 400px;
    margin: 5rem auto;
    background: var(--white);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; margin-bottom: 0.4rem; font-weight: 600; }
.form-group input { width: 100%; padding: 0.7rem; border: 1px solid #ccc; border-radius: 4px; }
.btn-submit { width: 100%; background: var(--primary); color: var(--white); padding: 0.8rem; border: none; border-radius: 4px; font-size: 1rem; cursor: pointer; }
.error-msg { background: #f8d7da; color: #721c24; padding: 0.7rem; margin-bottom: 1rem; border-radius: 4px; }