:root {
    --brand-primary: #b54327;           /* KBA orange-red */
    --brand-primary-dark: #8e351e;
    --brand-accent: #f0a23a;            /* accent gold */
    --brand-bg: #2b2b2b;               /* deep charcoal */
    --brand-surface: #fff7f0;          /* warm surface */
    --text-on-dark: #ffffff;
    --text-muted: #cfd3d8;
}

/* Header & Navigation */
.corp-header {
    background: linear-gradient(180deg, var(--brand-bg) 0%, #3a3a3a 100%);
    color: var(--text-on-dark);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 3px solid var(--brand-primary);
}

.corp-header .brand-wrap {
    display: flex;
    align-items: center;
}

.corp-header .logo {
    height: 44px;
    width: auto;
    margin-right: 12px;
}

.corp-header .title {
    font-weight: 700;
    letter-spacing: 0.5px;
}

.site-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 14px;
}

.site-nav a {
    color: var(--text-on-dark);
    text-decoration: none;
    padding: 6px 10px;
    border-radius: 4px;
    transition: background-color .2s ease, color .2s ease;
}

.site-nav a:hover {
    background-color: rgba(255,255,255,0.08);
    color: #fff;
}

.site-nav .btn.btn-register {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-accent) 100%);
    color: #fff;
    padding: 8px 14px;
    border-radius: 20px;
    font-weight: 600;
}

.site-nav .btn.btn-register:hover {
    background: linear-gradient(135deg, var(--brand-primary-dark) 0%, var(--brand-primary) 100%);
}

/* External nav link (back to main site) */
.ext-nav {
    color: #fff;
    text-decoration: none;
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-accent) 100%);
    padding: 8px 12px;
    border-radius: 18px;
    font-weight: 600;
}

.ext-nav:hover {
    background: linear-gradient(135deg, var(--brand-primary-dark) 0%, var(--brand-primary) 100%);
}

/* Main hero area tweaks to fit palette */
.corp-main {
    background: linear-gradient(180deg, var(--brand-surface) 0%, #ffffff 100%);
    min-height: calc(100vh - 160px);
}

.corp-main .corp-content h1 {
    color: var(--brand-primary-dark);
}

.btn.btn-primary-corp {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-dark) 100%);
    border: none;
    color: #fff;
}

.btn.btn-success-corp {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    border: none;
    color: #fff;
}

.btn.btn-warning-corp {
    background: linear-gradient(135deg, var(--brand-accent) 0%, #ffc107 100%);
    border: none;
    color: #2b2b2b;
}

/* Footer */
.corp-footer {
    background: var(--brand-bg);
    color: var(--text-muted);
    border-top: 3px solid var(--brand-primary);
}

@media (max-width: 992px) {
    .site-nav ul { flex-wrap: wrap; gap: 10px; }
}