.physics-promo {
    padding-top: 28px;
    padding-bottom: 28px;
    position: relative;
}

.schools-section {
    border-top: 1px solid var(--line);
}

.schools-intro {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 26px;
}

.schools-intro p {
    max-width: 680px;
    margin: 0;
    color: var(--muted);
    font-size: 1.05rem;
}

.schools-status {
    flex: 0 0 auto;
    padding: 9px 12px;
    border: 1px solid var(--line);
    color: var(--orange);
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .1em;
}

.school-toolkit-link {
    display: inline-block;
    margin-top: 22px;
}

.schools-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.school-card {
    min-height: 190px;
    padding: 22px;
    border: 1px solid var(--line);
    background: var(--panel-light);
    box-shadow: 0 12px 28px rgba(18, 32, 42, .06);
}

.school-card-number {
    color: var(--cyan);
    font-family: "Courier New", "Lucida Console", monospace;
    font-size: .76rem;
    font-weight: 700;
}

.school-card h3 {
    margin: 28px 0 8px;
    color: var(--text);
    font-size: 1.15rem;
    letter-spacing: .08em;
}

.school-card p {
    margin: 0;
    color: var(--muted);
}

.physics-promo-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 26px;
    align-items: stretch;
    background: linear-gradient(180deg, rgba(245, 248, 249, 0.96), rgba(235, 242, 244, 0.92));
    border: 1px solid rgba(23, 45, 57, 0.12);
    border-radius: 28px;
    padding: 30px;
    box-shadow: 0 16px 40px rgba(18, 32, 42, 0.08);
}

.physics-promo-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(17, 27, 34, 0.03);
    border: 1px solid rgba(23, 45, 57, 0.08);
    border-radius: 18px;
    padding: 26px 24px;
    font-family: "Courier New", "Lucida Console", monospace;
    color: #18313d;
}

.physics-promo-copy h2 {
    margin: 0 0 18px;
    font-size: clamp(2.1rem, 2.7vw, 4rem);
    line-height: 0.98;
    letter-spacing: -0.06em;
    color: #1d2f3c;
    text-transform: uppercase;
    font-family: "Courier New", "Lucida Console", monospace;
}

.physics-promo-copy p {
    margin: 0 0 14px;
    color: #3d5564;
    font-size: 1rem;
    line-height: 1.7;
    font-family: "Courier New", "Lucida Console", monospace;
}

.physics-mini-note {
    margin-top: 10px;
    padding: 12px 16px;
    border: 1px solid rgba(23, 45, 57, 0.12);
    border-left: 3px solid rgba(23, 45, 57, 0.7);
    background: rgba(255, 255, 255, 0.32);
    color: #1d2f3c;
    font-size: 0.9rem;
    font-family: "Courier New", "Lucida Console", monospace;
}

.physics-promo-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
}

.promo-button {
    appearance: none;
    border: 1px solid rgba(138, 230, 220, 0.42);
    background: transparent;
    color: var(--text);
    padding: 13px 18px;
    font: inherit;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.promo-button:hover,
.promo-button:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(138, 230, 220, 0.82);
    box-shadow: 0 0 0 1px rgba(138, 230, 220, 0.2);
}

.promo-button-primary {
    background: var(--cyan);
    color: var(--ink);
    border-color: var(--cyan);
}

.promo-button-secondary {
    background: rgba(138, 230, 220, 0.05);
}

.promo-button-tertiary {
    color: #d7dfe6;
    opacity: 0.9;
}

.physics-promo-aside {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.promo-info-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(138, 230, 220, 0.16);
    border-radius: 18px;
    padding: 16px 16px 18px;
    min-height: 110px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.promo-info-card:hover {
    transform: translateY(-1px);
    border-color: rgba(138, 230, 220, 0.38);
}

.promo-card-kicker {
    margin: 0 0 8px;
    color: #8ae6dc;
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.promo-info-card h3 {
    margin: 0;
    color: #edf5f4;
    font-size: 1.1rem;
    line-height: 1.35;
}

.learn-section {
    margin-top: 38px;
}

.learn-description {
    color: #b9c9cf;
    margin: 0 0 24px;
    max-width: 780px;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.resource-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 18px 18px 20px;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(138, 230, 220, 0.18);
    border-radius: 18px;
    color: var(--text);
    transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.resource-card:hover,
.resource-card:focus-visible {
    transform: translateY(-2px);
    border-color: rgba(138, 230, 220, 0.5);
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.12);
}

.resource-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid rgba(138, 230, 220, 0.4);
    background: rgba(138, 230, 220, 0.08);
    color: var(--cyan);
    font-size: 0.78rem;
    font-weight: 700;
}

.resource-card strong {
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    line-height: 1.4;
}

.resource-card p {
    margin: 0;
    color: #b5c7ce;
    font-size: 0.92rem;
}

.physics-disclaimer {
    margin-top: 28px;
    padding: 18px 20px;
    border: 1px solid rgba(255, 137, 111, 0.2);
    border-left: 3px solid rgba(255, 137, 111, 0.8);
    border-radius: 16px;
    background: rgba(255, 137, 111, 0.04);
    color: #dbe2e5;
    font-size: 0.9rem;
}

.physics-disclaimer p {
    margin: 0;
}

.physics-disclaimer p + p {
    margin-top: 8px;
}

@media (max-width: 980px) {
    .schools-intro {
        align-items: flex-start;
        flex-direction: column;
    }

    .schools-grid {
        grid-template-columns: 1fr;
    }

    .physics-promo-grid {
        grid-template-columns: 1fr;
    }

    .physics-promo-aside {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .resource-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .physics-promo-grid {
        padding: 20px 18px;
        border-radius: 22px;
    }

    .physics-promo-copy h2 {
        font-size: clamp(2rem, 11vw, 3rem);
    }

    .physics-promo-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .promo-window-body {
        grid-template-columns: 1fr;
    }

    .promo-sidebar {
        border-right: 0;
        border-bottom: 1px solid rgba(138, 230, 220, 0.12);
    }

    .physics-promo-aside,
    .resource-grid {
        grid-template-columns: 1fr;
        display: grid;
    }
}