/* ================= ROOT ================= */
:root {
    --primary: #1e3a8a;
    --secondary: #0284c7;
    --text-dark: #1e293b;
    --text-muted: #475569;
    --bg-light: #f8fafc;
    --text-light: #fff;
}

/* ================= HERO ================= */
.pte-hero {
    position: relative;
    width: 100%;
    height: 420px;
    overflow: hidden;
}

.pte-hero img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

.pte-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(30,58,138,.55), rgba(2,132,199,.3));
    display: grid;
    place-items: center;
    padding: 20px;
}

.pte-hero-content {
    text-align: center;
    color: var(--text-light);
    max-width: 900px;
}

.pte-hero-content h1 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 12px;
}

.pte-hero-content p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.6;
}

/* ================= CONTENT ================= */
.pte-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.pte-container {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.pte-intro {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-muted);
}

/* ================= GRID ================= */
.pte-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

/* ================= CARD ================= */
.pte-card {
    background: #fff;
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,.05);
    border: 1px solid rgba(0,0,0,.03);
    position: relative;
    transition: transform .3s ease, box-shadow .3s ease;
    will-change: transform;
}

.pte-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    height: 5px;
    width: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
}

.pte-card:hover,
.pte-card:focus-within {
    transform: translateY(-6px);
    box-shadow: 0 20px 45px rgba(30,58,138,.12);
    outline: none;
}

.pte-card h3 {
    font-size: 1.4rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.pte-card p {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 18px;
}

/* ================= TABLE ================= */
.table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,.05);
}

.pte-table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    background: #fff;
}

.pte-table th {
    background: var(--primary);
    color: var(--text-light);
    padding: 14px;
    font-size: .85rem;
    text-transform: uppercase;
    text-align: center;
}

.pte-table td {
    padding: 14px;
    text-align: center;
    border-bottom: 1px solid #e2e8f0;
    color: #334155;
}

.pte-table tr:nth-child(even) {
    background: #f8fafc;
}

/* ================= ACCESSIBILITY ================= */
.pte-card:focus-within {
    outline: 3px solid var(--secondary);
    outline-offset: 4px;
}

.pte-table th,
.pte-table td {
    font-weight: 500;
}

/* ================= MOBILE ================= */
@media (max-width: 768px) {
    .pte-hero {
        height: 300px;
    }

    .pte-section {
        padding: 50px 0;
    }

    .pte-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .pte-card {
        padding: 25px 20px;
    }

    .pte-hero-content h1 {
        font-size: 2rem;
    }

    .pte-hero-content p {
        font-size: 1rem;
    }

    .pte-table th,
    .pte-table td {
        font-size: .85rem;
        padding: 10px;
    }
}