:root {
    --ppid-primary: #0ea5e9;
    --ppid-secondary: #0369a1;
    --ppid-bg: #f2f7fb;
    --text-dark: #1f2933;
    --text-muted: #5f6b7c;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    background: var(--ppid-bg);
    color: var(--text-dark);
}

.ppid-nav {
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.95);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    backdrop-filter: blur(8px);
    z-index: 10;
}

.ppid-nav .container {
    max-width: 1200px;
    margin: auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--ppid-primary), var(--ppid-secondary));
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.nav-links {
    display: flex;
    gap: 18px;
    font-weight: 500;
    color: var(--text-muted);
}

.hero-ppid {
    background: linear-gradient(120deg, var(--ppid-secondary), var(--ppid-primary));
    color: white;
    padding: 100px 0 70px;
}

.hero-ppid .container {
    max-width: 1200px;
    margin: auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.hero-ppid h1 {
    margin: 0 0 16px;
    font-size: clamp(2.4rem, 4vw, 3.6rem);
}

.hero-ppid p {
    margin: 0 0 20px;
    opacity: 0.9;
}

.ppid-content {
    max-width: 1200px;
    margin: -40px auto 60px;
    padding: 0 24px;
}

.section-card {
    background: white;
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 22px 55px rgba(7, 36, 52, 0.08);
    margin-bottom: 24px;
}

.section-card h2 {
    margin-top: 0;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.info-card {
    padding: 16px;
    border-radius: 18px;
    background: var(--ppid-bg);
    border: 1px solid rgba(0,0,0,0.04);
}

.info-card strong {
    display: block;
    margin-bottom: 6px;
    font-size: 1.05rem;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(0,0,0,0.1);
    font-family: inherit;
    font-size: 1rem;
}

.form-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--ppid-primary), var(--ppid-secondary));
    color: white;
    border: none;
    border-radius: 12px;
    padding: 12px 20px;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 12px 30px rgba(14, 165, 233, 0.25);
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(0,0,0,0.15);
    color: var(--text-dark);
    border-radius: 12px;
    padding: 12px 20px;
    font-size: 1rem;
    cursor: pointer;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 20px 0;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .section-card {
        padding: 24px;
    }
}