/* ==========================================
   ART PROOFING PAGE
========================================== */

body {
    margin: 0;
    font-family: "Noto Sans", sans-serif;
    background: #f5f5f5;
    color: #333;
}

/* ---------- HEADER ---------- */

.proof-header {
    position: sticky;
    top: 0;
    z-index: 1000;

    background: #ffffff;

    display: flex;
    flex-direction: column;
    align-items: center;

    box-shadow: 0 2px 10px rgba(0,0,0,.08);
}

.proof-header .logo {
    width: 180px;
    padding: 20px 0;
}

/* ---------- NAVIGATION ---------- */

.proof-nav {

    width: 100%;

    display: flex;
    justify-content: center;
    flex-wrap: wrap;

    background: #0066b3;

}

.proof-nav a {

    color: white;

    text-decoration: none;

    font-size: .95rem;

    font-weight: 600;

    padding: 16px 24px;

    transition: background .25s ease;

}

.proof-nav a:hover {

    background: rgba(255,255,255,.15);

}

/* ---------- MAIN ---------- */

.proof-container {

    max-width: 1100px;

    margin: 50px auto;

    padding: 0 25px;

}

/* ---------- VIDEO ---------- */

.proof-video {

    margin-bottom: 50px;

}

.video-frame {

    position: relative;

    width: 100%;

    padding-bottom: 56.25%;

    overflow: hidden;

    border-radius: 10px;

    background: #000;

    box-shadow: 0 6px 18px rgba(0,0,0,.15);

}

.video-frame iframe {

    position: absolute;

    top: 0;

    left: 0;

    width: 100%;

    height: 100%;

    border: 0;

}

/* ---------- CONTENT ---------- */

.proof-section {

    background: white;

    padding: 45px;

    margin-bottom: 40px;

    border-radius: 10px;

    box-shadow: 0 6px 18px rgba(0,0,0,.08);

}

.proof-section h2 {

    margin-top: 0;

    color: #0066b3;

    font-size: 2rem;

}

.proof-section h3 {

    margin-top: 35px;

    color: #333;

}

.proof-section p {

    line-height: 1.8;

}

.proof-section ul {

    margin-top: 15px;

    padding-left: 25px;

}

.proof-section li {

    margin-bottom: 12px;

    line-height: 1.7;

}

/* ---------- DARK SECTION ---------- */

.proof-dark {

    background: rgb(0, 102, 179);

    color: white;

}

.proof-dark h2,
.proof-dark h3 {

    color: white;

}

.proof-divider {

    height: 1px;

    background: rgba(255,255,255,.2);

    margin: 40px 0;

}

/* ---------- RESPONSIVE ---------- */

@media (max-width: 900px) {

    .proof-nav {

        flex-direction: column;

    }

    .proof-nav a {

        text-align: center;

        border-top: 1px solid rgba(255,255,255,.15);

    }

    .proof-section {

        padding: 30px;

    }

    .proof-section h2 {

        font-size: 1.6rem;

    }

}