.make10-page {
    padding-bottom: 4rem;
    background:
        radial-gradient(circle at top left, rgba(255, 224, 136, 0.34), transparent 28%),
        radial-gradient(circle at top right, rgba(124, 198, 255, 0.26), transparent 24%),
        linear-gradient(180deg, #fffef8 0%, #f7fbff 48%, #fffef8 100%);
}

.make10-hero {
    padding: 1rem 0 0;
}

.time-page {
    padding-bottom: 4rem;
}

.time-hero-inner {
    display: grid;
}

.time-copy {
    position: relative;
    z-index: 2;
}

.make10-hero-inner {
    align-items: center;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 1.05fr);
    gap: 2rem;
}

.make10-copy p {
    max-width: 58ch;
    color: var(--muted);
    font-size: 1.1rem;
}

.make10-copy h1 {
    font-size: clamp(3rem, 6vw, 5.25rem);
    letter-spacing: -0.04em;
    color: #16356a;
    margin-bottom: 0.8rem;
}

.time-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.6rem;
}

.make10-page .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 64px;
    padding: 0 1.8rem;
    border-radius: 18px;
    border: 2px solid transparent;
    font-size: 1.12rem;
    font-weight: 800;
    line-height: 1;
    transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.make10-page .button:hover {
    transform: translateY(-2px);
}

.make10-page .button-primary {
    background: linear-gradient(180deg, #7ad858 0%, #55ba3f 100%);
    border-color: #49a838;
    color: #fff;
    box-shadow: 0 14px 28px rgba(75, 164, 55, 0.24);
}

.make10-page .button-secondary {
    background: rgba(255, 255, 255, 0.98);
    border-color: #3d82df;
    color: #2253a1;
    box-shadow: 0 12px 26px rgba(34, 83, 161, 0.1);
}

.make10-hero-art {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    width: 100%;
    min-height: 320px;
    z-index: 1;
}

.hero-art {
    max-width: 100%;
    height: auto;
    display: block;
    opacity: 1;
    visibility: visible;
}

.hero-art-main {
    position: relative;
    z-index: 2;
    top: 18px;
    width: min(100%, 820px);
    transform: translateY(44px);
    filter: drop-shadow(0 24px 48px rgba(40, 72, 130, 0.18));
}

.make10-sheet-wrap {
    margin-top: -0.5rem;
}

.make10-sheet-wrap .container {
    position: relative;
}

.make10-stage-decor {
    position: relative;
    left: 0;
    right: 0;
    bottom: 51px;
    z-index: 2;
}

.make10-wave,
.make10-decor {
    position: absolute;
    height: auto;
    visibility: visible;
}

.make10-wave-left {
    z-index: 0;
    /*. */
}

.make10-decor-apple {
    position: absolute;
    bottom: -122px;
    left: 70px;
    max-width: 397px;
}

.make10-decor-worm {
    position: absolute;
    right: 122px;
    bottom: -94px;
    max-width: 450px;
}

.make10-sheet {
    position: relative;
    z-index: 1;
    padding: 1.9rem 2rem 2.3rem;
    border: 2px solid rgba(199, 214, 236, 0.9);
    border-radius: 32px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.99) 0%, rgba(255, 252, 245, 0.98) 100%);
    box-shadow: 0 22px 54px rgba(23, 38, 60, 0.12);
    overflow: hidden;
}

.make10-sheet::before,
.make10-sheet::after {
    content: '';
    position: absolute;
    pointer-events: none;
    opacity: 0.14;
}

.make10-sheet::before {
    width: 160px;
    height: 160px;
    inset: -48px auto auto -32px;
    background: radial-gradient(circle, rgba(255, 222, 131, 0.55) 0 18px, transparent 19px 100%);
}

.make10-sheet::after {
    width: 220px;
    height: 220px;
    right: -58px;
    top: -54px;
    background: radial-gradient(circle, rgba(127, 209, 255, 0.42) 0 14px, transparent 15px 100%);
}

.make10-header {
    position: relative;
    margin-bottom: 1.5rem;
}

.worksheet-header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.worksheet-header-badge {
    display: inline-flex;
    align-items: center;
    min-height: 48px;
    padding: 0 1rem;
    border-radius: 999px;
    border: 2px solid rgba(190, 206, 230, 0.9);
    background: rgba(255, 255, 255, 0.94);
    color: #21447d;
    font-size: 0.96rem;
    font-weight: 800;
    white-space: nowrap;
}

.make10-header h2 {
    margin-bottom: 0.5rem;
    font-size: clamp(2rem, 3.7vw, 3rem);
    font-family: "Trebuchet MS", "Comic Sans MS", Arial, sans-serif;
    color: #1b2e57;
    letter-spacing: 0.03em;
}

.make10-header p {
    margin: 0;
    color: #29466f;
    font-size: 1.15rem;
    font-weight: 700;
}

.worksheet-actions {
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
}

.question-grid {
    display: grid;
    gap: 0;
    border: 2px solid #274b85;
    border-radius: 24px;
    overflow: hidden;
}

.make10-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.make10-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(180px, 230px);
    gap: 1rem;
    align-items: center;
    padding: 1.2rem;
    border-right: 2px solid #274b85;
    border-bottom: 2px solid #274b85;
    background: rgba(255, 255, 255, 0.94);
}

.make10-card:nth-child(2n) {
    border-right: 0;
}

.make10-card:nth-last-child(-n + 2) {
    border-bottom: 0;
}

.equation-wrap {
    display: flex;
    justify-content: center;
}

.equation-board {
    display: flex;
    align-items: center;
    gap: clamp(0.45rem, 1vw, 0.85rem);
    font-family: "Trebuchet MS", "Comic Sans MS", Arial, sans-serif;
    font-weight: 900;
    font-size: clamp(1.45rem, 2vw, 2rem);
    color: #1a1a1a;
}

.equation-box,
.equation-value {
    width: clamp(54px, 7vw, 72px);
    height: clamp(54px, 7vw, 72px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 3px solid #274b85;
    border-radius: 18px;
    background: #fff;
    box-shadow: inset 0 -4px 0 rgba(35, 53, 91, 0.08);
}

.equation-box {
    background:
        linear-gradient(135deg, rgba(255, 212, 99, 0.22) 0%, rgba(255, 255, 255, 1) 58%);
}

.equation-value {
    background:
        linear-gradient(135deg, rgba(124, 198, 255, 0.2) 0%, rgba(255, 255, 255, 1) 60%);
}

.equation-plus,
.equation-equals {
    color: #1b2e57;
    font-size: clamp(1.8rem, 3vw, 2.55rem);
}

.choice-column {
    display: grid;
    gap: 0.75rem;
}

.make10-choice {
    min-height: 66px;
    padding: 0.8rem 1rem;
    border: 2px solid #274b85;
    border-radius: 18px;
    background: linear-gradient(180deg, #ffffff 0%, #fff7d8 100%);
    color: #14284f;
    font-family: "Trebuchet MS", "Comic Sans MS", Arial, sans-serif;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 900;
    cursor: pointer;
    transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease, color 0.16s ease;
}

.make10-choice:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(35, 53, 91, 0.1);
}

.make10-choice.is-wrong {
    background: #d64747;
    border-color: #a11f1f;
    color: #fff;
    text-shadow: 0 2px 0 rgba(0, 0, 0, 0.28);
}

.make10-choice.is-right {
    background: #2ea85f;
    border-color: #1e7b42;
    color: #fff;
    text-shadow: 0 2px 0 rgba(0, 0, 0, 0.28);
}

.make10-choice.is-locked {
    cursor: default;
}

.feedback-text {
    min-height: 24px;
    font-weight: 800;
    font-size: 1rem;
    color: #2f2f2f;
}

.feedback-text.is-right {
    color: #1e7b42;
}

.feedback-text.is-wrong {
    color: #a11f1f;
}

.sources-section {
    position: relative;
    max-width:1450px;
    width: 100%;
    margin: 7em auto;
}

.sources-section .container {
    position: relative;
    z-index: 2;
}

.sources-card {
    padding: 1.6rem;
    border: 3px solid #23355b;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(244, 249, 255, 0.95) 100%);
    box-shadow: 0 14px 30px rgba(23, 38, 60, 0.08);
}

.sources-card h2 {
    margin-bottom: 0.5rem;
    color: #193564;
}

.sources-intro {
    margin-bottom: 1rem;
    color: #3e4f67;
}

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

.source-note {
    padding: 1rem;
    border-radius: 18px;
    border: 2px solid rgba(35, 53, 91, 0.16);
    background: rgba(255, 255, 255, 0.9);
}

.source-note h3 {
    margin-bottom: 0.45rem;
    color: #1f437b;
    font-size: 1.1rem;
}

.source-note p {
    margin-bottom: 0.75rem;
    color: #51627e;
    font-size: 0.98rem;
}

.source-note a {
    color: #245da4;
    font-weight: 700;
}

@media (max-width: 980px) {
    .make10-hero-inner {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .make10-decor-worm, .make10-decor-apple {
display: none;
}
    .make10-hero-art {
        min-height: 220px;
        margin-top: -0.5rem;
    }

    .hero-art-main {
        top: 0;
        width: min(100%, 640px);
        transform: translateY(8px);
    }

    .make10-stage-decor {
        bottom: 12px;
    }

    .make10-card {
        grid-template-columns: 1fr;
    }

    .sources-section {
        margin-top: 5rem;
    }

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

@media (max-width: 760px) {
    .make10-hero {
        padding-top: 0.5rem;
    }

    .make10-copy h1 {
        font-size: clamp(2.7rem, 11vw, 4rem);
        line-height: 0.95;
    }

    .make10-copy p {
        font-size: 1rem;
    }

    .time-hero-actions {
        gap: 0.75rem;
    }

    .make10-sheet {
        padding: 1rem;
    }

    .make10-wave-left {
        left: 50%;
        width: min(150%, 920px);
        transform: translateX(-50%);
    }

    .make10-decor-apple {
        display: none;
    }

    .make10-decor-worm {
        display: none;
    }

    .make10-stage-decor {
        position: absolute;
        left: 0;
        right: 0;
        bottom: -26px;
        min-height: 72px;
        z-index: 1;
    }

    .sources-section {
        margin-top: 3rem;
        padding-bottom: 9.5rem;
    }

    .make10-grid {
        grid-template-columns: 1fr;
    }

    .make10-card,
    .make10-card:nth-child(2n) {
        border-right: 0;
        border-bottom: 2px solid #274b85;
    }

    .make10-card:last-child {
        border-bottom: 0;
    }

    .equation-board {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 520px) {
    .worksheet-header-top {
        align-items: flex-start;
        flex-direction: column;
    }

    .make10-hero-art {
        min-height: 150px;
        margin-top: -0.75rem;
    }

    .hero-art-main {
        width: min(100%, 420px);
        transform: translateY(0);
    }

    .make10-page .button {
        width: 100%;
        min-height: 58px;
        padding-inline: 1.2rem;
        font-size: 1rem;
    }

    .worksheet-header-badge {
        min-height: 42px;
        font-size: 0.88rem;
    }

    .make10-header p {
        font-size: 1rem;
    }

    .make10-wave-left {
        width: min(185%, 860px);
        bottom: 0;
    }

    .make10-choice {
        width: 100%;
        min-height: 58px;
        font-size: 1.3rem;
    }

    .sources-section {
        margin-top: 2rem;
        padding-bottom: 8.5rem;
    }

}