:root {
    --blue: #2B6CB0;
    --orange: #E8621A;
    --dark: #1a202c;
    --gray: #6b7280;
    --light: #f7fafc;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    --radius: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: var(--dark); line-height: 1.6; }

/* Navigation */
nav {
    background: #ffffff;
    border-bottom: 2px solid #e5e7eb;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-logo img { height: 65px; }
.nav-logo-text { color: var(--blue); font-size: 18px; font-weight: 700; }
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-links a {
    color: var(--blue);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 15px;
    transition: background 0.2s;
}
.nav-links a:hover { background: rgba(43,108,176,0.08); }
.nav-links a.active { background: rgba(43,108,176,0.12); font-weight: 600; }
.btn-nav {
    background: var(--orange) !important;
    color: white !important;
    font-weight: 600 !important;
}
.btn-nav:hover { background: #d4541a !important; }

/* Mobile nav */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.nav-toggle span { display: block; width: 25px; height: 3px; background: var(--blue); margin: 5px 0; border-radius: 3px; }

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 2px solid #e5e7eb;
        flex-direction: column;
        padding: 16px;
        gap: 4px;
    }
    .nav-links.open { display: flex; }
    .nav-links a { width: 100%; }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}
.btn-primary { background: var(--blue); color: white; }
.btn-primary:hover { background: #2558a0; }
.btn-secondary { background: var(--orange); color: white; }
.btn-secondary:hover { background: #d4541a; }
.btn-outline { background: transparent; color: white; border: 2px solid white; }
.btn-outline:hover { background: rgba(255,255,255,0.15); }

/* Hero sections */
.hero {
    background: linear-gradient(135deg, var(--blue) 0%, #1a4a8a 100%);
    color: white;
    padding: 80px 32px;
    text-align: center;
}
.hero h1 { font-size: 48px; font-weight: 800; margin-bottom: 20px; line-height: 1.2; }
.hero p { font-size: 20px; opacity: 0.9; max-width: 600px; margin: 0 auto 32px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

@media (max-width: 768px) {
    .hero h1 { font-size: 32px; }
    .hero p { font-size: 17px; }
}

/* Cards */
.card {
    background: white;
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid #e5e7eb;
}

/* Sections */
.section { padding: 80px 32px; }
.section-light { background: var(--light); }
.container { max-width: 1100px; margin: 0 auto; }
.section-title { font-size: 36px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.section-subtitle { font-size: 18px; color: var(--gray); margin-bottom: 48px; }
.text-center { text-align: center; }
.text-orange { color: var(--orange); }
.text-blue { color: var(--blue); }

/* Grid */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 768px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* Forms */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 500; margin-bottom: 6px; color: var(--dark); }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #d1d5db;
    border-radius: var(--radius);
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(43,108,176,0.1);
}

/* Footer */
footer {
    background: var(--dark);
    color: rgba(255,255,255,0.8);
    padding: 48px 32px 24px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 32px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; font-size: 13px; color: rgba(255,255,255,0.5); }
footer a { color: rgba(255,255,255,0.7); text-decoration: none; }
footer a:hover { color: white; }
@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}

/* Alerts */
.alert { padding: 14px 18px; border-radius: var(--radius); margin-bottom: 20px; font-size: 14px; }
.alert-success { background: #f0fdf4; border: 1px solid #86efac; color: #166534; }
.alert-error { background: #fef2f2; border: 1px solid #fca5a5; color: #991b1b; }

/* Stats */
.stat-number { font-size: 48px; font-weight: 800; color: var(--orange); }
.stat-label { font-size: 16px; color: var(--gray); margin-top: 4px; }

/* Icon boxes */
.icon-box { font-size: 40px; margin-bottom: 16px; }

/* Badge */
.badge { display: inline-block; background: var(--orange); color: white; padding: 4px 12px; border-radius: 20px; font-size: 13px; font-weight: 600; margin-bottom: 12px; }
