.ppc-sponsor-section {
    padding: 70px 20px;
    background: linear-gradient(135deg, #f8fafc 0%, #eef6f2 100%);
    font-family: inherit;
}

.ppc-sponsor-section * {
    box-sizing: border-box;
}

.ppc-sponsor-container {
    max-width: 1180px;
    margin: 0 auto;
}

.ppc-sponsor-main-title {
    margin: 0 0 45px;
    text-align: center;
    font-size: clamp(30px, 4vw, 48px);
    font-weight: 800;
    color: #123524;
}

.ppc-sponsor-tier {
    margin-bottom: 38px;
    padding: 10px;
    border: 1.5px solid rgba(18, 53, 36, 0.22);
    border-radius: 26px;
    background: rgba(255, 255, 255, 0.86);
    box-shadow: 0 18px 45px rgba(15, 40, 28, 0.08);
}

.ppc-sponsor-tier h3 {
    margin: 0 0 26px;
    text-align: center;
    font-size: 22px;
    font-weight: 800;
    color: #123524;
}

/* Tier Border */
.ppc-platinum {
    border-color: rgba(190, 170, 120, 0.95);
}

.ppc-gold {
    border-color: rgba(212, 175, 55, 0.9);
}

.ppc-silver {
    border-color: rgba(150, 160, 170, 0.9);
}

.ppc-bronze {
    border-color: rgba(176, 110, 55, 0.9);
}

.ppc-exhibitor {
    border-color: rgba(18, 53, 36, 0.25);
}

/* Tier Title */
.ppc-platinum h3,
.ppc-gold h3 {
    color: #8a6f2a;
    font-size: 30px;
}

.ppc-gold h3 {
    color: #b8860b;
}

.ppc-silver h3 {
    color: #7d8790;
    font-size: 24px;
}

.ppc-bronze h3 {
    color: #9c6644;
    font-size: 24px;
}

.ppc-exhibitor h3 {
    color: #123524;
    font-size: 24px;
}

/* Grid */
.ppc-sponsor-grid {
    display: grid;
    gap: 22px;
    align-items: center;
    justify-content: center;
}

.ppc-grid-one {
    grid-template-columns: minmax(260px, 420px);
}

.ppc-platinum .ppc-grid-one,
.ppc-gold .ppc-grid-one {
    grid-template-columns: minmax(420px, 500px);
}

.ppc-bronze .ppc-grid-one {
    grid-template-columns: minmax(60px, 200px);
}

.ppc-grid-five {
    grid-template-columns: repeat(3, 1fr);
}

.ppc-grid-exhibitors {
    grid-template-columns: repeat(3, 1fr);
}

/* Logo Card Base */
.ppc-sponsor-logo {
    min-height: 135px;
    padding: 24px;
    border: 1px solid rgba(18, 53, 36, 0.16);
    border-radius: 20px;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.ppc-sponsor-logo:hover {
    transform: translateY(-6px);
    border-color: rgba(18, 53, 36, 0.38);
    box-shadow: 0 16px 36px rgba(15, 40, 28, 0.14);
}

.ppc-sponsor-logo img {
    max-width: 100%;
    max-height: 95px;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
}

/* Logo Size by Sponsor Level */
.ppc-platinum .ppc-sponsor-logo,
.ppc-gold .ppc-sponsor-logo {
    min-height: 230px;
    padding: 34px;
}

.ppc-platinum .ppc-sponsor-logo {
    border-color: rgba(190, 170, 120, 0.38);
}

.ppc-gold .ppc-sponsor-logo {
    border-color: rgba(212, 175, 55, 0.35);
}

.ppc-platinum .ppc-sponsor-logo img,
.ppc-gold .ppc-sponsor-logo img {
    max-height: 200px;
}

.ppc-silver .ppc-sponsor-logo {
    min-height: 155px;
    padding: 24px;
}

.ppc-silver .ppc-sponsor-logo img {
    max-height: 105px;
}

.ppc-bronze .ppc-sponsor-logo {
    min-height: 105px;
    padding: 18px;
    border-color: rgba(176, 110, 55, 0.28);
}

.ppc-bronze .ppc-sponsor-logo img {
    max-height: 95px;
}

.ppc-exhibitor .ppc-sponsor-logo {
    min-height: 120px;
    padding: 20px;
}

.ppc-exhibitor .ppc-sponsor-logo img {
    max-height: 78px;
}

/* Tablet */
@media (max-width: 991px) {
    .ppc-grid-five {
        grid-template-columns: repeat(3, 1fr);
    }

    .ppc-grid-exhibitors {
        grid-template-columns: repeat(3, 1fr);
    }

    .ppc-platinum .ppc-grid-one,
    .ppc-gold .ppc-grid-one,
    .ppc-bronze .ppc-grid-one {
        grid-template-columns: minmax(280px, 560px);
    }

    .ppc-platinum .ppc-sponsor-logo,
    .ppc-gold .ppc-sponsor-logo {
        min-height: 200px;
    }

    .ppc-platinum .ppc-sponsor-logo img,
    .ppc-gold .ppc-sponsor-logo img {
        max-height: 140px;
    }
}

/* Mobile */
@media (max-width: 640px) {
    .ppc-sponsor-section {
        padding: 45px 14px;
    }

    .ppc-sponsor-tier {
        padding: 20px;
        border-radius: 20px;
    }

    .ppc-grid-one,
    .ppc-platinum .ppc-grid-one,
    .ppc-gold .ppc-grid-one,
    .ppc-bronze .ppc-grid-one {
        grid-template-columns: 1fr;
    }

    .ppc-grid-five,
    .ppc-grid-exhibitors {
        grid-template-columns: repeat(2, 1fr);
    }

    .ppc-platinum h3,
    .ppc-gold h3 {
        font-size: 26px;
    }

    .ppc-silver h3,
    .ppc-bronze h3,
    .ppc-exhibitor h3 {
        font-size: 22px;
    }

    .ppc-platinum .ppc-sponsor-logo,
    .ppc-gold .ppc-sponsor-logo {
        min-height: 170px;
        padding: 24px;
    }

    .ppc-platinum .ppc-sponsor-logo img,
    .ppc-gold .ppc-sponsor-logo img {
        max-height: 115px;
    }

    .ppc-silver .ppc-sponsor-logo,
    .ppc-exhibitor .ppc-sponsor-logo {
        min-height: 105px;
        padding: 16px;
    }

    .ppc-silver .ppc-sponsor-logo img {
        max-height: 72px;
    }

    .ppc-bronze .ppc-sponsor-logo {
        min-height: 105px;
        padding: 10px;
    }

    .ppc-bronze .ppc-sponsor-logo img {
        max-height: 95px;
    }

    .ppc-exhibitor .ppc-sponsor-logo img {
        max-height: 62px;
    }
}