/* =========================================================
   LIMITS GUIDE
   Mirrors Trigonometric Identities styling
   ========================================================= */

:root
{
    --lim-navy: #0f172a;
    --lim-slate: #475569;
    --lim-muted: #64748b;

    --lim-border: #d7e2ec;

    --lim-white: #ffffff;
    --lim-surface: #f8fafc;

    --lim-teal: #0f766e;
    --lim-teal-bright: #159e9c;
    --lim-teal-soft: #ecfdf5;

    --lim-blue: #2563eb;
    --lim-blue-soft: #eff6ff;

    --lim-gold: #d97706;
    --lim-gold-soft: #fff7ed;

    --lim-purple: #7c3aed;
    --lim-purple-soft: #f5f3ff;

    --lim-green: #15803d;
    --lim-green-soft: #f0fdf4;

    --lim-red: #b91c1c;
    --lim-red-soft: #fef2f2;

    --lim-shadow:
        0 1rem 2.5rem
        rgba(
            15,
            23,
            42,
            0.08
        );

    --lim-shadow-small:
        0 0.75rem 2rem
        rgba(
            15,
            23,
            42,
            0.06
        );
}


/* =========================================================
   BASE
   ========================================================= */

#limits-guide
{
    scroll-margin-top: 5rem;
}

.lim-intro,
.lim-section,
.lim-final-card,
.lim-related-section
{
    color: var(--lim-slate);

    font-family:
        Inter,
        Arial,
        sans-serif;
}

.lim-intro h2,
.lim-section-heading h2,
.lim-final-card h2,
.lim-practice-cta h2,
.lim-related-section h2
{
    color: var(--lim-navy);

    font-weight: 800;

    letter-spacing: -0.03em;

    line-height: 1.15;
}

.lim-intro h2,
.lim-section-heading h2
{
    font-size:
        clamp(
            1.8rem,
            4vw,
            2.55rem
        );
}

.lim-intro .lead
{
    margin-bottom: 1rem;

    color: var(--lim-slate);

    font-size:
        clamp(
            1.05rem,
            1.8vw,
            1.2rem
        );

    line-height: 1.75;
}

.lim-intro > p:not(.lead):not(.lim-eyebrow)
{
    color: var(--lim-slate);

    line-height: 1.75;
}

.lim-section
{
    margin-top:
        clamp(
            3.5rem,
            7vw,
            5.5rem
        );
}

.lim-section-heading
{
    max-width: 50rem;

    margin-bottom: 1.5rem;
}

.lim-section-heading p
{
    margin-top: 0.7rem;
    margin-bottom: 0;

    color: var(--lim-slate);

    font-size: 1.02rem;

    line-height: 1.75;
}

.lim-eyebrow,
.lim-section-eyebrow,
.lim-card-label
{
    margin:
        0
        0
        0.45rem;

    color: var(--lim-teal);

    font-size: 0.76rem;
    font-weight: 800;

    letter-spacing: 0.1em;

    line-height: 1.3;

    text-transform: uppercase;
}

.lim-emphasis-text
{
    color: var(--lim-navy) !important;

    font-weight: 700;
}


/* =========================================================
   SHARED HEADINGS
   ========================================================= */

.lim-idea-heading,
.lim-why-heading,
.lim-warning-heading,
.lim-dne-heading,
.lim-asymptote-heading,
.lim-strategy-heading
{
    display: flex;

    gap: 0.85rem;

    align-items: flex-start;

    margin-bottom: 0.9rem;
}

.lim-idea-heading h3,
.lim-why-heading h3,
.lim-warning-heading h3,
.lim-dne-heading h3,
.lim-asymptote-heading h3,
.lim-strategy-heading h3
{
    margin:
        0
        0
        0.3rem;

    color: var(--lim-navy);

    font-size: 1.05rem;
    font-weight: 800;

    line-height: 1.35;
}


/* =========================================================
   SHARED ICONS
   ========================================================= */

.lim-definition-icon,
.lim-idea-icon,
.lim-tip-icon,
.lim-warning-icon,
.lim-why-icon,
.lim-dne-icon,
.lim-asymptote-icon,
.lim-method-icon,
.lim-related-icon
{
    display: grid;

    flex:
        0
        0
        2.7rem;

    width: 2.7rem;
    height: 2.7rem;

    place-items: center;

    border-radius: 0.8rem;
}

.lim-definition-icon,
.lim-tip-icon,
.lim-method-icon,
.lim-related-icon
{
    color: var(--lim-teal);

    background:
        rgba(
            20,
            184,
            166,
            0.13
        );
}

.lim-idea-icon,
.lim-why-icon,
.lim-warning-icon
{
    color: var(--lim-gold);

    background:
        rgba(
            245,
            158,
            11,
            0.14
        );
}

.lim-dne-icon
{
    color: var(--lim-red);

    background:
        rgba(
            239,
            68,
            68,
            0.12
        );
}

.lim-asymptote-icon
{
    color: var(--lim-purple);

    background:
        rgba(
            124,
            58,
            237,
            0.12
        );
}


/* =========================================================
   DEFINITION CARD
   ========================================================= */

.lim-definition-card
{
    display: flex;

    gap: 1rem;

    align-items: flex-start;

    margin-bottom: 1.5rem;

    padding:
        1.15rem
        1.25rem;

    background: var(--lim-teal-soft);

    border:
        1px solid
        rgba(
            13,
            148,
            136,
            0.24
        );

    border-radius: 1rem;
}

.lim-definition-card > div:last-child
{
    min-width: 0;

    flex: 1;
}

.lim-definition-card p
{
    color: var(--lim-slate);

    line-height: 1.7;
}

.lim-definition-math
{
    display: grid;

    min-width: 0;
    min-height: 4.5rem;

    margin:
        0.75rem
        0;

    padding: 0.75rem;

    place-items: center;

    color: var(--lim-teal);

    background:
        rgba(
            255,
            255,
            255,
            0.74
        );

    border:
        1px solid
        rgba(
            13,
            148,
            136,
            0.16
        );

    border-radius: 0.8rem;
}


/* =========================================================
   BIG IDEA
   ========================================================= */

.lim-idea-card,
.lim-why-card
{
    padding:
        clamp(
            1.4rem,
            4vw,
            2rem
        );

    background:
        linear-gradient(
            135deg,
            var(--lim-teal-soft),
            var(--lim-blue-soft)
        );

    border:
        1px solid
        rgba(
            13,
            148,
            136,
            0.22
        );

    border-radius: 1.2rem;
}

.lim-idea-card > p,
.lim-why-card > p
{
    color: var(--lim-slate);

    line-height: 1.7;
}


/* =========================================================
   COMPARISON GRID
   ========================================================= */

.lim-comparison-grid
{
    display: grid;

    grid-template-columns:
        repeat(
            2,
            minmax(0, 1fr)
        );

    gap: 1rem;
}

.lim-comparison-card
{
    min-width: 0;

    padding: 1.25rem;

    background: var(--lim-white);

    border:
        1px solid
        var(--lim-border);

    border-radius: 1rem;

    box-shadow: var(--lim-shadow-small);
}

.lim-comparison-card p
{
    color: var(--lim-slate);

    line-height: 1.65;
}

.lim-comparison-math
{
    display: grid;

    min-height: 4.4rem;

    margin:
        0.8rem
        0;

    padding: 0.75rem;

    place-items: center;

    color: var(--lim-teal);

    background: var(--lim-surface);

    border:
        1px solid
        var(--lim-border);

    border-radius: 0.8rem;
}


/* =========================================================
   GENERAL EXAMPLE CARD
   ========================================================= */

.lim-example-card
{
    min-width: 0;

    padding:
        clamp(
            1.3rem,
            3.5vw,
            1.9rem
        );

    background: var(--lim-white);

    border:
        1px solid
        var(--lim-border);

    border-radius: 1.2rem;

    box-shadow: var(--lim-shadow-small);
}

.lim-example-card h3
{
    margin:
        0
        0
        1rem;

    color: var(--lim-navy);

    font-size:
        clamp(
            1.15rem,
            3vw,
            1.45rem
        );

    font-weight: 800;
}

.lim-example-card p
{
    color: var(--lim-slate);

    line-height: 1.7;
}


/* =========================================================
   RESULT GRID
   ========================================================= */

.lim-result-grid
{
    display: grid;

    grid-template-columns:
        repeat(
            2,
            minmax(0, 1fr)
        );

    gap: 1rem;

    margin:
        1.25rem
        0;
}

.lim-result-grid > div
{
    min-width: 0;

    padding: 1rem;

    text-align: center;

    background: var(--lim-surface);

    border:
        1px solid
        var(--lim-border);

    border-radius: 0.9rem;
}

.lim-result-label
{
    display: block;

    margin-bottom: 0.4rem;

    color: var(--lim-muted);

    font-size: 0.72rem;
    font-weight: 800;

    letter-spacing: 0.08em;

    text-transform: uppercase;
}


/* =========================================================
   METHODS
   ========================================================= */

.lim-method-grid
{
    display: grid;

    grid-template-columns:
        repeat(
            3,
            minmax(0, 1fr)
        );

    gap: 1rem;
}

.lim-method-card
{
    min-width: 0;

    padding: 1.2rem;

    background: var(--lim-white);

    border:
        1px solid
        var(--lim-border);

    border-radius: 1rem;

    box-shadow: var(--lim-shadow-small);
}

.lim-method-card h3
{
    margin:
        0
        0
        0.65rem;

    color: var(--lim-navy);

    font-size: 1.05rem;
    font-weight: 800;
}

.lim-method-card p
{
    color: var(--lim-slate);

    font-size: 0.93rem;

    line-height: 1.65;
}

.lim-method-icon
{
    margin-bottom: 1rem;
}


/* =========================================================
   TABLE EXAMPLE
   ========================================================= */

.lim-table-example
{
    padding:
        clamp(
            1.25rem,
            3vw,
            1.75rem
        );

    background:
        linear-gradient(
            135deg,
            var(--lim-surface),
            var(--lim-blue-soft)
        );

    border:
        1px solid
        var(--lim-border);

    border-radius: 1.1rem;
}

.lim-table-example h3
{
    color: var(--lim-navy);

    font-size: 1.1rem;
    font-weight: 800;
}

.lim-limit-table
{
    margin:
        1rem
        0;

    overflow: hidden;

    background: var(--lim-white);

    border:
        1px solid
        var(--lim-border);

    border-radius: 0.8rem;
}

.lim-limit-table th
{
    color: var(--lim-navy);

    font-weight: 800;

    text-align: center;

    background: var(--lim-teal-soft);
}

.lim-limit-table td
{
    color: var(--lim-slate);

    text-align: center;
}

.lim-limit-table > :not(caption) > * > *
{
    padding:
        0.7rem
        1rem;
}


/* =========================================================
   STRATEGY CARD
   ========================================================= */

.lim-strategy-card
{
    padding:
        clamp(
            1.4rem,
            4vw,
            2rem
        );

    background:
        linear-gradient(
            135deg,
            var(--lim-teal-soft),
            var(--lim-blue-soft)
        );

    border:
        1px solid
        rgba(
            13,
            148,
            136,
            0.22
        );

    border-radius: 1.2rem;
}

.lim-strategy-card > p
{
    color: var(--lim-slate);

    line-height: 1.7;
}

.lim-strategy-number
{
    display: grid;

    flex:
        0
        0
        2.3rem;

    width: 2.3rem;
    height: 2.3rem;

    place-items: center;

    color: var(--lim-white);

    font-size: 0.82rem;
    font-weight: 800;

    background: var(--lim-teal);

    border-radius: 50%;
}


/* =========================================================
   ANSWER BOX
   ========================================================= */

.lim-answer-box
{
    display: grid;

    min-width: 0;

    margin-top: 1.2rem;

    padding:
        0.9rem
        1rem;

    place-items: center;

    color: var(--lim-teal);

    background:
        rgba(
            255,
            255,
            255,
            0.92
        );

    border:
        1px solid
        rgba(
            13,
            148,
            136,
            0.25
        );

    border-radius: 0.9rem;
}


/* =========================================================
   TIP CARD
   ========================================================= */

.lim-tip-card
{
    display: flex;

    gap: 1rem;

    align-items: flex-start;

    padding:
        1.15rem
        1.25rem;

    background: var(--lim-teal-soft);

    border:
        1px solid
        rgba(
            13,
            148,
            136,
            0.24
        );

    border-radius: 1rem;
}

.lim-tip-card p
{
    color: var(--lim-slate);

    line-height: 1.65;
}


/* =========================================================
   WARNING / INDETERMINATE
   ========================================================= */

.lim-warning-card
{
    padding:
        clamp(
            1.3rem,
            3.5vw,
            1.8rem
        );

    background: var(--lim-gold-soft);

    border:
        1px solid
        rgba(
            217,
            119,
            6,
            0.24
        );

    border-radius: 1rem;
}

.lim-warning-card > p
{
    color: var(--lim-slate);

    line-height: 1.7;
}


/* =========================================================
   INDETERMINATE FLOW
   ========================================================= */

.lim-indeterminate-flow
{
    display: flex;

    gap: 0.8rem;

    align-items: center;
    justify-content: center;

    flex-wrap: wrap;

    padding: 1rem;

    background: var(--lim-surface);

    border:
        1px solid
        var(--lim-border);

    border-radius: 1rem;
}

.lim-flow-item
{
    display: grid;

    min-width: 9rem;
    min-height: 5rem;

    padding: 0.75rem;

    place-items: center;

    text-align: center;

    background: var(--lim-white);

    border:
        1px solid
        var(--lim-border);

    border-radius: 0.8rem;
}

.lim-flow-item > span
{
    color: var(--lim-muted);

    font-size: 0.72rem;
    font-weight: 800;

    letter-spacing: 0.08em;

    text-transform: uppercase;
}

.lim-flow-item strong
{
    color: var(--lim-navy);

    font-size: 0.9rem;
}

.lim-flow-arrow
{
    color: var(--lim-teal);

    font-size: 1rem;
}


/* =========================================================
   CONJUGATE CARD
   ========================================================= */

.lim-conjugate-card
{
    padding:
        clamp(
            1.25rem,
            3vw,
            1.7rem
        );

    background: var(--lim-purple-soft);

    border:
        1px solid
        rgba(
            124,
            58,
            237,
            0.2
        );

    border-radius: 1rem;
}

.lim-conjugate-grid
{
    display: flex;

    gap: 1rem;

    align-items: center;
    justify-content: center;

    flex-wrap: wrap;

    margin:
        1rem
        0;
}

.lim-conjugate-grid > div:not(.lim-conjugate-arrow)
{
    display: grid;

    min-width: 8rem;
    min-height: 4rem;

    padding: 0.7rem;

    place-items: center;

    color: var(--lim-purple);

    background:
        rgba(
            255,
            255,
            255,
            0.8
        );

    border:
        1px solid
        rgba(
            124,
            58,
            237,
            0.15
        );

    border-radius: 0.8rem;
}

.lim-conjugate-arrow
{
    color: var(--lim-purple);
}


/* =========================================================
   LIMIT LAW GRID
   ========================================================= */

.lim-law-grid
{
    display: grid;

    grid-template-columns:
        repeat(
            2,
            minmax(0, 1fr)
        );

    gap: 1rem;
}

.lim-law-card
{
    min-width: 0;

    padding: 1.1rem;

    text-align: center;

    background: var(--lim-white);

    border:
        1px solid
        var(--lim-border);

    border-radius: 1rem;

    box-shadow: var(--lim-shadow-small);
}

.lim-law-card mjx-container
{
    color: var(--lim-teal);
}

.lim-law-condition
{
    margin:
        0.65rem
        0
        0;

    color: var(--lim-muted);

    font-size: 0.82rem;

    line-height: 1.5;
}


/* =========================================================
   ONE-SIDED LIMITS
   ========================================================= */

.lim-sided-grid
{
    display: grid;

    grid-template-columns:
        repeat(
            2,
            minmax(0, 1fr)
        );

    gap: 1rem;
}

.lim-sided-card
{
    min-width: 0;

    padding: 1.25rem;

    background: var(--lim-white);

    border:
        1px solid
        var(--lim-border);

    border-radius: 1rem;

    box-shadow: var(--lim-shadow-small);
}

.lim-sided-card p
{
    color: var(--lim-slate);

    line-height: 1.65;
}

.lim-sided-math
{
    display: grid;

    min-height: 4.4rem;

    margin:
        0.8rem
        0;

    padding: 0.75rem;

    place-items: center;

    color: var(--lim-teal);

    background: var(--lim-surface);

    border:
        1px solid
        var(--lim-border);

    border-radius: 0.8rem;
}

.lim-direction
{
    display: flex;

    gap: 0.7rem;

    align-items: center;
    justify-content: center;

    margin-top: 1rem;

    padding: 0.75rem;

    color: var(--lim-teal);

    font-weight: 700;

    background: var(--lim-teal-soft);

    border-radius: 0.8rem;
}


/* =========================================================
   ONE-SIDED NOTATION
   ========================================================= */

.lim-notation-tip
{
    padding:
        1.15rem
        1.25rem;

    background: var(--lim-blue-soft);

    border:
        1px solid
        rgba(
            37,
            99,
            235,
            0.2
        );

    border-radius: 1rem;
}

.lim-notation-tip > p
{
    color: var(--lim-slate);

    line-height: 1.7;
}

.lim-notation-grid
{
    display: grid;

    grid-template-columns:
        repeat(
            2,
            minmax(0, 1fr)
        );

    gap: 1rem;

    margin-top: 1rem;
}

.lim-notation-grid > div
{
    min-width: 0;

    padding: 1rem;

    text-align: center;

    background:
        rgba(
            255,
            255,
            255,
            0.78
        );

    border:
        1px solid
        rgba(
            37,
            99,
            235,
            0.15
        );

    border-radius: 0.8rem;
}

.lim-notation-grid p
{
    margin-bottom: 0;

    color: var(--lim-slate);

    font-size: 0.9rem;

    line-height: 1.55;
}


/* =========================================================
   TWO-SIDED CONDITION
   ========================================================= */

.lim-condition-card
{
    display: grid;

    min-width: 0;

    padding:
        clamp(
            1.25rem,
            3vw,
            1.75rem
        );

    place-items: center;

    text-align: center;

    background: var(--lim-teal-soft);

    border:
        1px solid
        rgba(
            13,
            148,
            136,
            0.22
        );

    border-radius: 1rem;
}

.lim-condition-card > p
{
    color: var(--lim-slate);

    line-height: 1.65;
}


/* =========================================================
   DNE CARD
   ========================================================= */

.lim-dne-card
{
    padding:
        clamp(
            1.3rem,
            3.5vw,
            1.8rem
        );

    background: var(--lim-red-soft);

    border:
        1px solid
        rgba(
            185,
            28,
            28,
            0.18
        );

    border-radius: 1rem;
}

.lim-dne-card > p
{
    color: var(--lim-slate);

    line-height: 1.7;
}


/* =========================================================
   TWO-SIDED TEST
   ========================================================= */

.lim-rule-card
{
    padding:
        1.2rem
        1.25rem;

    background: var(--lim-surface);

    border:
        1px solid
        var(--lim-border);

    border-radius: 1rem;
}

.lim-rule-card > p
{
    color: var(--lim-slate);

    line-height: 1.7;
}

.lim-test-flow
{
    display: flex;

    gap: 0.8rem;

    align-items: center;
    justify-content: center;

    flex-wrap: wrap;

    margin:
        1rem
        0;
}

.lim-test-flow > div
{
    padding:
        0.8rem
        1rem;

    color: var(--lim-navy);

    font-size: 0.9rem;
    font-weight: 700;

    text-align: center;

    background: var(--lim-white);

    border:
        1px solid
        var(--lim-border);

    border-radius: 0.8rem;
}

.lim-test-flow > i,
.lim-test-flow > svg
{
    color: var(--lim-teal);
}


/* =========================================================
   INFINITE LIMITS
   ========================================================= */

.lim-infinity-grid
{
    display: grid;

    grid-template-columns:
        repeat(
            2,
            minmax(0, 1fr)
        );

    gap: 1rem;
}

.lim-infinity-card
{
    min-width: 0;

    padding: 1.25rem;

    text-align: center;

    background: var(--lim-white);

    border:
        1px solid
        var(--lim-border);

    border-radius: 1rem;

    box-shadow: var(--lim-shadow-small);
}

.lim-infinity-card p
{
    color: var(--lim-slate);

    line-height: 1.65;
}

.lim-infinity-card mjx-container
{
    color: var(--lim-purple);
}


/* =========================================================
   ASYMPTOTE CARD
   ========================================================= */

.lim-asymptote-card
{
    padding:
        clamp(
            1.25rem,
            3vw,
            1.75rem
        );

    background: var(--lim-purple-soft);

    border:
        1px solid
        rgba(
            124,
            58,
            237,
            0.18
        );

    border-radius: 1rem;
}

.lim-asymptote-card > p
{
    color: var(--lim-slate);

    line-height: 1.7;
}


/* =========================================================
   TECHNICAL NOTE
   ========================================================= */

.lim-note-card
{
    padding:
        1rem
        1.15rem;

    background: var(--lim-blue-soft);

    border:
        1px solid
        rgba(
            37,
            99,
            235,
            0.2
        );

    border-radius: 0.9rem;
}

.lim-note-card p
{
    color: var(--lim-slate);

    line-height: 1.65;
}


/* =========================================================
   CONTINUITY
   ========================================================= */

.lim-continuity-card
{
    padding:
        clamp(
            1.4rem,
            4vw,
            2rem
        );

    background:
        linear-gradient(
            135deg,
            var(--lim-teal-soft),
            var(--lim-blue-soft)
        );

    border:
        1px solid
        rgba(
            13,
            148,
            136,
            0.22
        );

    border-radius: 1.2rem;
}

.lim-continuity-card > p
{
    color: var(--lim-slate);

    line-height: 1.7;
}

.lim-continuity-steps
{
    display: grid;

    gap: 0.75rem;

    margin-top: 1.2rem;
}

.lim-continuity-step
{
    display: flex;

    gap: 0.85rem;

    align-items: flex-start;

    min-width: 0;

    padding: 1rem;

    background:
        rgba(
            255,
            255,
            255,
            0.82
        );

    border:
        1px solid
        rgba(
            148,
            163,
            184,
            0.25
        );

    border-radius: 0.9rem;
}

.lim-continuity-step > div
{
    min-width: 0;

    flex: 1;

    color: var(--lim-slate);
}

.lim-continuity-step strong
{
    display: block;

    margin-bottom: 0.25rem;

    color: var(--lim-navy);
}

.lim-step-number
{
    display: grid;

    flex:
        0
        0
        2rem;

    width: 2rem;
    height: 2rem;

    place-items: center;

    color: var(--lim-white);

    font-size: 0.78rem;
    font-weight: 800;

    background: var(--lim-teal);

    border-radius: 50%;
}

.lim-continuity-idea
{
    padding:
        1.1rem
        1.2rem;

    background: var(--lim-surface);

    border:
        1px solid
        var(--lim-border);

    border-radius: 0.9rem;
}

.lim-continuity-idea p
{
    color: var(--lim-slate);

    line-height: 1.7;
}


/* =========================================================
   COMMON MISTAKES
   ========================================================= */

.lim-mistake-grid
{
    display: grid;

    grid-template-columns:
        repeat(
            2,
            minmax(0, 1fr)
        );

    gap: 1rem;
}

.lim-mistake-card
{
    position: relative;

    min-width: 0;

    padding:
        1.25rem
        1.2rem;

    background: var(--lim-white);

    border:
        1px solid
        var(--lim-border);

    border-radius: 1rem;

    box-shadow: var(--lim-shadow-small);
}

.lim-mistake-number
{
    display: grid;

    width: 2rem;
    height: 2rem;

    margin-bottom: 0.8rem;

    place-items: center;

    color: var(--lim-white);

    font-size: 0.75rem;
    font-weight: 800;

    background: var(--lim-red);

    border-radius: 50%;
}

.lim-mistake-card h3
{
    margin:
        0
        0
        0.6rem;

    color: var(--lim-navy);

    font-size: 1rem;
    font-weight: 800;

    line-height: 1.4;
}

.lim-mistake-card p
{
    color: var(--lim-slate);

    font-size: 0.92rem;

    line-height: 1.65;
}


/* =========================================================
   WRONG VS RIGHT
   ========================================================= */

.lim-wrong-right
{
    display: grid;

    grid-template-columns:
        repeat(
            2,
            minmax(0, 1fr)
        );

    gap: 0.7rem;

    margin-top: 1rem;
}

.lim-wrong-right > div
{
    min-width: 0;

    padding: 0.75rem;

    text-align: center;

    border-radius: 0.8rem;
}

.lim-wrong-right > div:first-child
{
    background: var(--lim-red-soft);

    border:
        1px solid
        rgba(
            185,
            28,
            28,
            0.16
        );
}

.lim-wrong-right > div:last-child
{
    background: var(--lim-green-soft);

    border:
        1px solid
        rgba(
            21,
            128,
            61,
            0.16
        );
}

.lim-wrong-label,
.lim-right-label
{
    display: block;

    margin-bottom: 0.35rem;

    font-size: 0.7rem;
    font-weight: 800;

    letter-spacing: 0.08em;

    text-transform: uppercase;
}

.lim-wrong-label
{
    color: var(--lim-red);
}

.lim-right-label
{
    color: var(--lim-green);
}


/* =========================================================
   STRATEGY ROADMAP
   ========================================================= */

.lim-roadmap
{
    display: grid;

    gap: 0.6rem;
}

.lim-roadmap-step
{
    display: flex;

    gap: 1rem;

    align-items: flex-start;

    padding:
        1.1rem
        1.2rem;

    background: var(--lim-white);

    border:
        1px solid
        var(--lim-border);

    border-radius: 1rem;

    box-shadow: var(--lim-shadow-small);
}

.lim-roadmap-step > div:last-child
{
    min-width: 0;
}

.lim-roadmap-step h3
{
    margin:
        0
        0
        0.4rem;

    color: var(--lim-navy);

    font-size: 1.05rem;
    font-weight: 800;
}

.lim-roadmap-step p
{
    color: var(--lim-slate);

    line-height: 1.65;
}

.lim-roadmap-number
{
    display: grid;

    flex:
        0
        0
        2.25rem;

    width: 2.25rem;
    height: 2.25rem;

    place-items: center;

    color: var(--lim-white);

    font-size: 0.8rem;
    font-weight: 800;

    background: var(--lim-teal);

    border-radius: 50%;
}

.lim-roadmap-arrow
{
    color: var(--lim-teal);

    font-size: 1.1rem;

    text-align: center;
}


/* =========================================================
   REFERENCE GRID
   ========================================================= */

.lim-reference-grid
{
    display: grid;

    grid-template-columns:
        repeat(
            2,
            minmax(0, 1fr)
        );

    gap: 1rem;
}

.lim-reference-card
{
    min-width: 0;

    padding: 1.15rem;

    text-align: center;

    background: var(--lim-white);

    border:
        1px solid
        var(--lim-border);

    border-radius: 1rem;

    box-shadow: var(--lim-shadow-small);
}

.lim-reference-card p
{
    color: var(--lim-slate);

    font-size: 0.89rem;

    line-height: 1.6;
}

.lim-reference-card mjx-container
{
    color: var(--lim-teal);
}


/* =========================================================
   FINAL CHECKLIST
   ========================================================= */

.lim-final-card
{
    padding:
        clamp(
            1.4rem,
            4vw,
            2rem
        );

    background:
        linear-gradient(
            135deg,
            var(--lim-teal-soft),
            var(--lim-blue-soft)
        );

    border:
        1px solid
        rgba(
            13,
            148,
            136,
            0.22
        );

    border-radius: 1.2rem;
}

.lim-final-card h2
{
    margin-bottom: 1.3rem;

    font-size:
        clamp(
            1.6rem,
            3vw,
            2rem
        );
}

.lim-final-list
{
    display: grid;

    gap: 0.7rem;

    margin: 0;

    padding-left: 1.4rem;
}

.lim-final-list li
{
    padding-left: 0.25rem;

    color: var(--lim-slate);

    line-height: 1.65;
}

.lim-final-list li::marker
{
    color: var(--lim-teal);

    font-weight: 800;
}


/* =========================================================
   PRACTICE CTA
   ========================================================= */

.lim-practice-cta
{
    display: grid;

    grid-template-columns:
        minmax(
            0,
            1fr
        )
        auto;

    gap: 2rem;

    align-items: center;

    padding:
        clamp(
            1.4rem,
            4vw,
            2rem
        );

    background: var(--lim-navy);

    border-radius: 1.2rem;

    box-shadow: var(--lim-shadow);
}

.lim-practice-cta h2
{
    margin:
        0
        0
        0.55rem;

    color: var(--lim-white);

    font-size:
        clamp(
            1.45rem,
            3vw,
            1.9rem
        );
}

.lim-practice-cta p:not(.lim-card-label)
{
    max-width: 42rem;

    margin-bottom: 0;

    color:
        rgba(
            255,
            255,
            255,
            0.76
        );

    line-height: 1.65;
}

.lim-practice-cta .lim-card-label
{
    color: #5eead4;
}

.lim-practice-cta .btn
{
    white-space: nowrap;
}


/* =========================================================
   RELATED RESOURCES
   ========================================================= */

.lim-related-section
{
    margin-top:
        clamp(
            3.5rem,
            7vw,
            5rem
        );
}

.lim-related-section > h2
{
    margin-bottom: 1.5rem;

    font-size:
        clamp(
            1.6rem,
            3vw,
            2rem
        );
}

.lim-related-grid
{
    display: grid;

    grid-template-columns:
        repeat(
            2,
            minmax(0, 1fr)
        );

    gap: 1rem;
}

.lim-related-card
{
    display: block;

    min-width: 0;

    padding: 1.2rem;

    color: inherit;

    text-decoration: none;

    background: var(--lim-white);

    border:
        1px solid
        var(--lim-border);

    border-radius: 1rem;

    box-shadow: var(--lim-shadow-small);

    transition:
        transform 0.18s ease,
        box-shadow 0.18s ease,
        border-color 0.18s ease;
}

.lim-related-card:hover
{
    color: inherit;

    text-decoration: none;

    transform: translateY(-3px);

    border-color:
        rgba(
            13,
            148,
            136,
            0.4
        );

    box-shadow: var(--lim-shadow);
}

.lim-related-icon
{
    margin-bottom: 0.9rem;
}

.lim-related-card h3
{
    margin:
        0
        0
        0.45rem;

    color: var(--lim-navy);

    font-size: 1rem;
    font-weight: 800;

    line-height: 1.4;
}

.lim-related-card p
{
    margin: 0;

    color: var(--lim-slate);

    font-size: 0.89rem;

    line-height: 1.6;
}


/* =========================================================
   MATHJAX SAFETY
   ========================================================= */

.lim-definition-math mjx-container,
.lim-comparison-math mjx-container,
.lim-example-card mjx-container,
.lim-result-grid mjx-container,
.lim-strategy-card mjx-container,
.lim-answer-box mjx-container,
.lim-warning-card mjx-container,
.lim-flow-item mjx-container,
.lim-conjugate-card mjx-container,
.lim-law-card mjx-container,
.lim-sided-card mjx-container,
.lim-notation-tip mjx-container,
.lim-condition-card mjx-container,
.lim-dne-card mjx-container,
.lim-infinity-card mjx-container,
.lim-asymptote-card mjx-container,
.lim-continuity-card mjx-container,
.lim-mistake-card mjx-container,
.lim-reference-card mjx-container
{
    max-width: 100%;

    overflow-x: auto;
    overflow-y: hidden;
}


/* =========================================================
   CENTER DISPLAY MATH WHERE APPROPRIATE
   ========================================================= */

.lim-definition-math mjx-container[display="true"],
.lim-comparison-math mjx-container[display="true"],
.lim-result-grid mjx-container[display="true"],
.lim-answer-box mjx-container[display="true"],
.lim-flow-item mjx-container[display="true"],
.lim-conjugate-grid mjx-container[display="true"],
.lim-law-card mjx-container[display="true"],
.lim-sided-math mjx-container[display="true"],
.lim-notation-grid mjx-container[display="true"],
.lim-condition-card mjx-container[display="true"],
.lim-infinity-card mjx-container[display="true"],
.lim-reference-card mjx-container[display="true"]
{
    margin:
        0.35rem
        auto !important;
}


/* =========================================================
   GUIDE CONTACT CTA OVERRIDE
   ========================================================= */

#guideContactCtaTitle
{
    color: #ffffff !important;
}


/* =========================================================
   ACCESSIBILITY
   ========================================================= */

.lim-related-card:focus-visible,
.lim-practice-cta a:focus-visible
{
    outline:
        3px solid
        rgba(
            37,
            99,
            235,
            0.38
        );

    outline-offset: 4px;
}


/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 991.98px)
{

    .lim-method-grid
    {
        grid-template-columns: 1fr;
    }

    .lim-law-grid,
    .lim-reference-grid,
    .lim-mistake-grid
    {
        grid-template-columns:
            repeat(
                2,
                minmax(0, 1fr)
            );
    }

    .lim-practice-cta
    {
        grid-template-columns: 1fr;
    }

    .lim-practice-cta .btn
    {
        justify-self: start;
    }

}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 767.98px)
{

    #limits-guide
    {
        overflow-x: hidden;
    }

    .lim-section,
    .lim-related-section
    {
        margin-top: 3.5rem;
    }

    .lim-intro .lead,
    .lim-section-heading p
    {
        font-size: 1rem;

        line-height: 1.7;
    }


    /* -----------------------------------------
       Grids
       ----------------------------------------- */

    .lim-comparison-grid,
    .lim-result-grid,
    .lim-method-grid,
    .lim-law-grid,
    .lim-sided-grid,
    .lim-notation-grid,
    .lim-infinity-grid,
    .lim-mistake-grid,
    .lim-wrong-right,
    .lim-reference-grid,
    .lim-related-grid
    {
        grid-template-columns: 1fr;
    }


    /* -----------------------------------------
       Standard cards
       ----------------------------------------- */

    .lim-definition-card,
    .lim-tip-card
    {
        padding: 1rem;
    }

    .lim-idea-card,
    .lim-why-card,
    .lim-strategy-card,
    .lim-continuity-card,
    .lim-final-card,
    .lim-practice-cta
    {
        padding: 1.15rem;

        border-radius: 1rem;
    }

    .lim-example-card,
    .lim-warning-card,
    .lim-dne-card,
    .lim-asymptote-card
    {
        padding: 1.1rem;

        border-radius: 1rem;
    }


    /* -----------------------------------------
       Flow diagrams
       ----------------------------------------- */

    .lim-indeterminate-flow
    {
        flex-direction: column;
    }

    .lim-flow-item
    {
        width: 100%;
    }

    .lim-flow-arrow
    {
        transform: rotate(90deg);
    }

    .lim-test-flow
    {
        flex-direction: column;
    }

    .lim-test-flow > div
    {
        width: 100%;
    }

    .lim-test-flow > svg,
    .lim-test-flow > i
    {
        transform: rotate(90deg);
    }


    /* -----------------------------------------
       Conjugates
       ----------------------------------------- */

    .lim-conjugate-grid
    {
        flex-direction: column;
    }

    .lim-conjugate-grid > div:not(.lim-conjugate-arrow)
    {
        width: 100%;
    }

    .lim-conjugate-arrow
    {
        transform: rotate(90deg);
    }


    /* -----------------------------------------
       Continuity
       ----------------------------------------- */

    .lim-continuity-step
    {
        align-items: flex-start;
    }


    /* -----------------------------------------
       Roadmap
       ----------------------------------------- */

    .lim-roadmap-step
    {
        padding: 1rem;
    }


    /* -----------------------------------------
       CTA
       ----------------------------------------- */

    .lim-practice-cta
    {
        gap: 1.25rem;
    }

    .lim-practice-cta .btn
    {
        width: 100%;

        justify-self: stretch;
    }


    /* -----------------------------------------
       Tables
       ----------------------------------------- */

    .lim-table-example
    {
        padding: 1rem;
    }

}


/* =========================================================
   SMALL MOBILE
   ========================================================= */

@media (max-width: 575.98px)
{

    .lim-definition-card,
    .lim-tip-card
    {
        flex-direction: column;
    }

    .lim-idea-heading,
    .lim-why-heading,
    .lim-warning-heading,
    .lim-dne-heading,
    .lim-asymptote-heading,
    .lim-strategy-heading
    {
        flex-direction: column;
    }

    .lim-comparison-card,
    .lim-method-card,
    .lim-law-card,
    .lim-sided-card,
    .lim-infinity-card,
    .lim-mistake-card,
    .lim-reference-card,
    .lim-related-card
    {
        padding: 1rem;
    }

    .lim-continuity-step,
    .lim-roadmap-step
    {
        gap: 0.75rem;
    }

    .lim-limit-table > :not(caption) > * > *
    {
        padding:
            0.6rem
            0.7rem;
    }

}


/* =========================================================
   VERY SMALL SCREENS / MATH SAFETY
   ========================================================= */

@media (max-width: 430px)
{

    .lim-definition-math,
    .lim-comparison-math,
    .lim-sided-math
    {
        padding:
            0.65rem
            0.45rem;
    }

    .lim-example-card,
    .lim-strategy-card,
    .lim-continuity-card,
    .lim-final-card
    {
        overflow: hidden;
    }

    .lim-example-card mjx-container,
    .lim-strategy-card mjx-container,
    .lim-continuity-card mjx-container,
    .lim-final-card mjx-container
    {
        max-width: 100%;

        overflow-x: auto;
        overflow-y: hidden;
    }

    .lim-card-label,
    .lim-eyebrow,
    .lim-section-eyebrow
    {
        font-size: 0.7rem;
    }

}