* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f4f7f6;
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.page-header {
    background-color: #2c3e50;
    color: #fff;
    padding: 2.25rem 1.5rem;
    text-align: center;
}

.page-header h1 {
    font-size: 1.85rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 0.65rem;
}

.page-header__lead {
    max-width: 36rem;
    margin: 0 auto;
    opacity: 0.95;
    font-size: 1rem;
}

.main {
    flex: 1;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.25rem 3rem;
}

.intro {
    text-align: center;
    margin-bottom: 2.25rem;
}

.intro p {
    max-width: 42rem;
    margin: 0 auto;
    font-size: 1.02rem;
    color: #2c3e50;
}

.pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}

.pillar {
    background: #fff;
    border-radius: 10px;
    padding: 1.75rem 1.35rem;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    text-align: center;
    border: 1px solid rgba(44, 62, 80, 0.08);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100%;
}

.pillar__icon {
    width: 52px;
    height: 52px;
    margin-bottom: 1rem;
    color: #2c3e50;
    background: #e8eef2;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pillar__icon svg {
    width: 28px;
    height: 28px;
}

.pillar__title {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 0.65rem;
    font-weight: 600;
}

.pillar__text {
    font-size: 0.95rem;
    color: #444;
    flex: 1;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

.btn--dashboard {
    background-color: #3498db;
    color: #fff;
}

.btn--dashboard:hover {
    background-color: #2980b9;
}

.btn--engineering {
    background-color: #1abc9c;
    color: #fff;
}

.btn--engineering:hover {
    background-color: #16a085;
}

.page-footer {
    text-align: center;
    padding: 1.25rem;
    background: #e8ecef;
    color: #555;
    font-size: 0.9rem;
}