/* =========================================================
   LAW OF COSINES GUIDE
   ========================================================= */

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

    --loc-border: #d7e2ec;

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

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

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

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

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

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

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

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


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

#law-of-cosines-guide
{
    scroll-margin-top: 5rem;
}

.loc-intro,
.loc-section,
.loc-master-card,
.loc-process-card,
.loc-summary-card,
.loc-recipe-card,
.loc-final-summary,
.loc-related-section
{
    color: var(--loc-slate);

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

.loc-intro h2,
.loc-section-heading h2,
.loc-master-card h2,
.loc-process-card h2,
.loc-summary-card h2,
.loc-recipe-card h2,
.loc-final-summary h2,
.loc-practice-cta h2,
.loc-related-section h2
{
    color: var(--loc-navy);

    font-weight: 800;

    letter-spacing: -0.03em;

    line-height: 1.15;
}

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

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

    color: var(--loc-slate);

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

    line-height: 1.75;
}

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

    line-height: 1.75;
}

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

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

    margin-bottom: 1.5rem;
}

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

    color: var(--loc-slate);

    font-size: 1.02rem;

    line-height: 1.75;
}

.loc-eyebrow,
.loc-example-label,
.loc-case-label
{
    margin:
        0
        0
        0.45rem;

    color: var(--loc-teal);

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

    letter-spacing: 0.1em;

    line-height: 1.3;

    text-transform: uppercase;
}


/* =========================================================
   MASTER FORMULAS
   ========================================================= */

.loc-master-card
{
    padding:
        clamp(
            1.5rem,
            4vw,
            2.2rem
        );

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

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

    border-radius: 1.35rem;

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

.loc-master-formulas
{
    display: grid;

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

    gap: 1rem;

    margin-top: 1.25rem;
}

.loc-master-formula
{
    display: grid;

    min-width: 0;
    min-height: 7rem;

    padding: 1rem;

    place-items: center;

    color: var(--loc-teal);

    font-weight: 800;

    background:
        rgba(
            255,
            255,
            255,
            0.86
        );

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

    border-radius: 1rem;
}

.loc-master-rule
{
    display: flex;

    gap: 0.75rem;

    align-items: flex-start;

    margin-top: 1rem;

    padding:
        1rem
        1.1rem;

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

    border-radius: 0.9rem;
}

.loc-master-rule strong
{
    flex: 0 0 auto;

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

.loc-master-rule p
{
    color: var(--loc-slate);

    line-height: 1.65;
}


/* =========================================================
   SIDE-ANGLE PAIRS
   ========================================================= */

.loc-pair-grid
{
    display: grid;

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

    gap: 1rem;
}

.loc-pair-card
{
    min-width: 0;

    padding: 1.25rem;

    text-align: center;

    background: var(--loc-white);

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

    border-radius: 1rem;

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

.loc-pair-symbols
{
    display: flex;

    gap: 0.7rem;

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

    margin-bottom: 0.9rem;
}

.loc-pair-angle,
.loc-pair-side
{
    display: grid;

    width: 3rem;
    height: 3rem;

    place-items: center;

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

    border-radius: 50%;
}

.loc-pair-side
{
    color: var(--loc-blue);

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

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

.loc-pair-angle
{
    color: var(--loc-white);

    background: var(--loc-teal);
}

.loc-pair-arrow
{
    color: var(--loc-muted);

    font-size: 1.3rem;
    font-weight: 800;
}

.loc-pair-card p
{
    margin-bottom: 0;

    color: var(--loc-slate);

    line-height: 1.65;
}


/* =========================================================
   TIP / WARNING
   ========================================================= */

.loc-tip-card,
.loc-warning-card
{
    display: flex;

    gap: 1rem;

    align-items: flex-start;

    padding:
        1.15rem
        1.25rem;

    border-radius: 1rem;
}

.loc-tip-card
{
    background: var(--loc-teal-soft);

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

.loc-warning-card
{
    background: var(--loc-gold-soft);

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

.loc-tip-icon,
.loc-warning-icon
{
    display: grid;

    flex:
        0
        0
        2.7rem;

    width: 2.7rem;
    height: 2.7rem;

    place-items: center;

    border-radius: 0.8rem;
}

.loc-tip-icon
{
    color: var(--loc-teal);

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

.loc-warning-icon
{
    color: var(--loc-gold);

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

.loc-tip-title,
.loc-warning-title
{
    margin:
        0
        0
        0.25rem;

    color: var(--loc-navy);

    font-weight: 800;
}

.loc-tip-card p,
.loc-warning-card p
{
    color: var(--loc-slate);

    line-height: 1.65;
}


/* =========================================================
   TRIANGLE FIGURE
   ========================================================= */

.loc-triangle-figure
{
    overflow: hidden;

    background: var(--loc-white);

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

    border-radius: 1.2rem;

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

.loc-triangle-wrap
{
    display: flex;

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

    min-height: 27rem;

    padding: 1.3rem;

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

.loc-triangle-svg
{
    display: block;

    width: 100%;
    height: auto;

    max-width: 36rem;

    overflow: visible;
}

.loc-triangle-side
{
    fill: none;

    stroke: var(--loc-navy);

    stroke-width: 4;

    stroke-linecap: round;
    stroke-linejoin: round;
}

.loc-side-a
{
    stroke: var(--loc-teal);
}

.loc-side-b
{
    stroke: var(--loc-blue);
}

.loc-side-c
{
    stroke: var(--loc-purple);
}

.loc-angle-label,
.loc-side-label
{
    font-family:
        Inter,
        Arial,
        sans-serif;

    font-weight: 800;
}

.loc-angle-label
{
    fill: var(--loc-navy);

    font-size: 20px;
}

.loc-side-label
{
    font-size: 18px;
}

.loc-side-a-label
{
    fill: var(--loc-teal);
}

.loc-side-b-label
{
    fill: var(--loc-blue);
}

.loc-side-c-label
{
    fill: var(--loc-purple);
}

.loc-triangle-figure figcaption
{
    padding:
        1rem
        1.2rem;

    color: var(--loc-slate);

    font-size: 0.92rem;

    line-height: 1.65;

    background: var(--loc-white);

    border-top:
        1px solid
        var(--loc-border);
}


/* =========================================================
   SAS / SSS CASES
   ========================================================= */

.loc-case-grid
{
    display: grid;

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

    gap: 1rem;
}

.loc-case-card
{
    min-width: 0;

    padding: 1.25rem;

    background: var(--loc-white);

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

    border-radius: 1rem;

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

.loc-case-card h3
{
    margin:
        0
        0
        0.55rem;

    color: var(--loc-navy);

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

.loc-case-card > p
{
    color: var(--loc-slate);

    line-height: 1.65;
}

.loc-case-example
{
    display: grid;

    min-height: 4.4rem;

    margin:
        0.8rem
        0;

    padding: 0.75rem;

    place-items: center;

    color: var(--loc-teal);

    background: var(--loc-surface);

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

    border-radius: 0.8rem;
}

.loc-case-note
{
    margin-bottom: 0 !important;

    color: var(--loc-muted) !important;

    font-size: 0.86rem;

    font-weight: 600;
}


/* =========================================================
   PROCESS CARD
   ========================================================= */

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

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

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

    border-radius: 1.2rem;
}

.loc-process-card h2
{
    margin-bottom: 1.3rem;

    font-size:
        clamp(
            1.55rem,
            3vw,
            2rem
        );
}

.loc-process-grid
{
    display: grid;

    grid-template-columns:
        repeat(
            4,
            minmax(0, 1fr)
        );

    gap: 0.85rem;
}

.loc-process-grid article
{
    min-width: 0;

    padding: 1rem;

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

    border:
        1px solid
        rgba(
            148,
            163,
            184,
            0.26
        );

    border-radius: 0.9rem;
}

.loc-process-number,
.loc-recipe-number
{
    display: grid;

    width: 2rem;
    height: 2rem;

    margin-bottom: 0.75rem;

    place-items: center;

    color: var(--loc-white);

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

    background: var(--loc-teal);

    border-radius: 50%;
}

.loc-process-grid h3
{
    margin:
        0
        0
        0.45rem;

    color: var(--loc-navy);

    font-size: 0.95rem;
    font-weight: 800;
}

.loc-process-grid p
{
    margin: 0;

    color: var(--loc-slate);

    font-size: 0.86rem;

    line-height: 1.55;
}


/* =========================================================
   QUICK DECISION SUMMARY
   ========================================================= */

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

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

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

    border-radius: 1.2rem;
}

.loc-summary-card h2
{
    margin-bottom: 1.2rem;

    font-size:
        clamp(
            1.55rem,
            3vw,
            2rem
        );
}

.loc-decision-grid
{
    display: grid;

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

    gap: 1rem;
}

.loc-decision-card
{
    padding: 1.1rem;

    background:
        rgba(
            255,
            255,
            255,
            0.84
        );

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

    border-radius: 0.9rem;
}

.loc-decision-title
{
    display: block;

    margin-bottom: 0.4rem;

    color: var(--loc-navy);

    font-weight: 800;
}

.loc-decision-card p
{
    margin: 0;

    color: var(--loc-slate);

    line-height: 1.65;
}

.loc-summary-rule
{
    display: flex;

    gap: 0.7rem;

    align-items: center;

    padding:
        0.9rem
        1rem;

    background:
        rgba(
            255,
            255,
            255,
            0.72
        );

    border-radius: 0.8rem;
}

.loc-summary-rule span
{
    flex: 0 0 auto;

    color: var(--loc-teal);

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

    letter-spacing: 0.08em;

    text-transform: uppercase;
}

.loc-summary-rule strong
{
    color: var(--loc-navy);
}


/* =========================================================
   EXAMPLE CARDS
   ========================================================= */

.loc-example-card
{
    padding:
        clamp(
            1.3rem,
            3.5vw,
            1.9rem
        );

    background: var(--loc-white);

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

    border-radius: 1.2rem;

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

.loc-example-heading
{
    display: flex;

    gap: 1rem;

    align-items: flex-start;
    justify-content: space-between;

    margin-bottom: 1rem;
}

.loc-example-heading h3
{
    margin: 0;

    color: var(--loc-navy);

    font-size:
        clamp(
            1.25rem,
            3vw,
            1.6rem
        );

    font-weight: 800;

    line-height: 1.3;
}

.loc-example-type
{
    flex: 0 0 auto;

    padding:
        0.42rem
        0.72rem;

    color: var(--loc-blue);

    font-size: 0.68rem;
    font-weight: 800;

    letter-spacing: 0.06em;

    text-transform: uppercase;

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

    border-radius: 999px;
}

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

    line-height: 1.7;
}

.loc-example-layout
{
    display: grid;

    grid-template-columns:
        minmax(
            15rem,
            0.9fr
        )
        minmax(
            0,
            1.1fr
        );

    gap: 1.25rem;

    align-items: stretch;

    margin-top: 1.25rem;
}

.loc-example-diagram
{
    display: flex;

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

    min-width: 0;

    overflow: hidden;

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

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

    border-radius: 1rem;
}

.loc-example-svg
{
    display: block;

    width: 100%;
    height: auto;

    max-width: 30rem;

    padding: 0.8rem;

    overflow: visible;
}

.loc-triangle-line
{
    fill: none;

    stroke: var(--loc-navy);

    stroke-width: 4;

    stroke-linecap: round;
    stroke-linejoin: round;
}

.loc-example-side-label,
.loc-example-angle-label
{
    font-family:
        Inter,
        Arial,
        sans-serif;

    font-weight: 800;
}

.loc-example-side-label
{
    fill: var(--loc-navy);

    font-size: 16px;
}

.loc-example-angle-label
{
    fill: var(--loc-teal);

    font-size: 15px;
}


/* =========================================================
   EXAMPLE STEPS
   ========================================================= */

.loc-example-steps
{
    min-width: 0;

    padding: 1.15rem;

    background: var(--loc-surface);

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

    border-radius: 1rem;
}

.loc-example-steps ol
{
    margin: 0;

    padding-left: 1.35rem;
}

.loc-example-steps li
{
    margin-bottom: 1rem;

    padding-left: 0.25rem;

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

.loc-example-steps li:last-child
{
    margin-bottom: 0;
}

.loc-example-steps li::marker
{
    color: var(--loc-teal);

    font-weight: 800;
}

.loc-example-steps li > strong
{
    color: var(--loc-navy);
}

.loc-example-steps li p
{
    margin:
        0.3rem
        0
        0;

    line-height: 1.6;
}

.loc-step-math
{
    display: grid;

    min-height: 3.8rem;

    margin-top: 0.5rem;

    padding: 0.7rem;

    place-items: center;

    color: var(--loc-teal);

    background: var(--loc-white);

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

    border-radius: 0.75rem;
}


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

.loc-answer-box
{
    display: flex;

    gap: 1rem;

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

    width: 100%;
    min-width: 0;

    margin-top: 1.15rem;

    padding:
        0.9rem
        1rem;

    color: var(--loc-teal);

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

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

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

    border-radius: 0.8rem;
}

.loc-answer-box > span
{
    flex: 0 0 auto;

    color: var(--loc-navy);

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

    letter-spacing: 0.08em;

    text-transform: uppercase;
}


/* =========================================================
   ANGLE FORMULAS
   ========================================================= */

.loc-angle-formula-grid
{
    display: grid;

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

    gap: 1rem;
}

.loc-angle-formula-card
{
    min-width: 0;

    padding: 1.15rem;

    background: var(--loc-white);

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

    border-radius: 1rem;

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

.loc-angle-formula-card > p
{
    margin-bottom: 0.8rem;

    color: var(--loc-navy);

    font-size: 0.92rem;
    font-weight: 800;

    text-align: center;
}

.loc-angle-formula
{
    display: grid;

    min-height: 5rem;

    margin-top: 0.75rem;

    padding: 0.7rem;

    place-items: center;

    color: var(--loc-teal);

    background: var(--loc-surface);

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

    border-radius: 0.8rem;
}


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

.loc-mistake-grid
{
    display: grid;

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

    gap: 1rem;
}

.loc-mistake-card
{
    min-width: 0;

    padding: 1.15rem;

    background: var(--loc-white);

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

    border-radius: 1rem;

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

.loc-mistake-icon
{
    display: grid;

    width: 2.5rem;
    height: 2.5rem;

    margin-bottom: 0.8rem;

    place-items: center;

    color: var(--loc-gold);

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

    border-radius: 0.75rem;
}

.loc-mistake-card h3
{
    margin:
        0
        0
        0.45rem;

    color: var(--loc-navy);

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

.loc-mistake-card p
{
    margin: 0;

    color: var(--loc-slate);

    font-size: 0.9rem;

    line-height: 1.65;
}

.loc-mistake-math
{
    display: grid;

    min-height: 4rem;

    margin-top: 0.8rem;

    padding: 0.65rem;

    place-items: center;

    color: var(--loc-teal);

    background: var(--loc-surface);

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

    border-radius: 0.75rem;
}


/* =========================================================
   RECIPE
   ========================================================= */

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

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

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

    border-radius: 1.2rem;
}

.loc-recipe-card h2
{
    margin-bottom: 1.25rem;

    font-size:
        clamp(
            1.55rem,
            3vw,
            2rem
        );
}

.loc-recipe-grid
{
    display: grid;

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

    gap: 0.85rem;
}

.loc-recipe-grid article
{
    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;
}

.loc-recipe-grid h3
{
    margin:
        0
        0
        0.4rem;

    color: var(--loc-navy);

    font-size: 0.95rem;
    font-weight: 800;
}

.loc-recipe-grid p
{
    margin: 0;

    color: var(--loc-slate);

    font-size: 0.86rem;

    line-height: 1.55;
}


/* =========================================================
   FINAL SUMMARY
   ========================================================= */

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

    background: var(--loc-surface);

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

    border-radius: 1.15rem;
}

.loc-final-summary h2
{
    margin-bottom: 1.25rem;

    font-size:
        clamp(
            1.55rem,
            3vw,
            2rem
        );
}

.loc-final-summary-grid
{
    display: grid;

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

    gap: 0.85rem;
}

.loc-final-summary-grid > div
{
    padding: 1rem;

    background: var(--loc-white);

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

    border-radius: 0.9rem;
}

.loc-final-summary-grid strong
{
    display: block;

    margin-bottom: 0.35rem;

    color: var(--loc-teal);

    font-size: 0.75rem;

    letter-spacing: 0.06em;

    text-transform: uppercase;
}

.loc-final-summary-grid span
{
    display: block;

    color: var(--loc-slate);

    line-height: 1.6;
}


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

.loc-practice-cta
{
    display: grid;

    grid-template-columns:
        minmax(0, 1.2fr)
        auto;

    gap: 1.4rem;

    align-items: center;

    padding:
        clamp(
            1.5rem,
            4vw,
            2.2rem
        );

    background: var(--loc-navy);

    border-radius: 1.25rem;

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

.loc-practice-cta h2
{
    margin:
        0
        0
        0.65rem;

    color: var(--loc-white);

    font-size:
        clamp(
            1.5rem,
            3vw,
            2rem
        );
}

.loc-practice-cta p
{
    margin: 0;

    color: #cbd5e1;

    line-height: 1.7;
}

.loc-practice-cta .loc-eyebrow
{
    color: #5eead4;
}


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

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

.loc-related-section h2
{
    font-size:
        clamp(
            1.75rem,
            4vw,
            2.4rem
        );
}

.loc-related-section > p
{
    max-width: 46rem;

    color: var(--loc-slate);

    line-height: 1.7;
}

.loc-related-grid
{
    display: grid;

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

    gap: 1rem;
}

.loc-related-card
{
    display: flex;

    flex-direction: column;

    min-width: 0;
    min-height: 100%;

    padding: 1.2rem;

    color: var(--loc-navy);

    text-decoration: none;

    background: var(--loc-white);

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

    border-radius: 1rem;

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

    transition:
        transform 180ms ease,
        border-color 180ms ease,
        box-shadow 180ms ease;
}

.loc-related-card:hover
{
    color: var(--loc-navy);

    text-decoration: none;

    border-color:
        rgba(
            13,
            148,
            136,
            0.5
        );

    box-shadow: var(--loc-shadow);

    transform:
        translateY(-3px);
}

.loc-related-icon
{
    display: grid;

    width: 2.75rem;
    height: 2.75rem;

    margin-bottom: 0.85rem;

    place-items: center;

    color: var(--loc-teal);

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

    border-radius: 0.8rem;
}

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

    color: inherit;

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

    line-height: 1.4;
}

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

    color: var(--loc-slate);

    font-size: 0.89rem;

    line-height: 1.6;
}


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

.loc-master-formula mjx-container,
.loc-case-example mjx-container,
.loc-step-math mjx-container,
.loc-answer-box mjx-container,
.loc-angle-formula mjx-container,
.loc-mistake-math mjx-container
{
    max-width: 100%;

    margin: 0 !important;

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


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

#guideContactCtaTitle
{
    color: #ffffff !important;
}


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

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

    outline-offset: 4px;
}


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

@media (max-width: 991.98px)
{
    .loc-master-formulas
    {
        grid-template-columns: 1fr;
    }

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

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

    .loc-example-layout
    {
        grid-template-columns: 1fr;
    }

    .loc-angle-formula-grid
    {
        grid-template-columns: 1fr;
    }

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

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

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


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

@media (max-width: 767.98px)
{
    #law-of-cosines-guide
    {
        overflow-x: hidden;
    }

    .loc-section
    {
        margin-top: 3.5rem;
    }

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

        line-height: 1.7;
    }


    /* -----------------------------------------
       Master formulas
       ----------------------------------------- */

    .loc-master-card
    {
        padding: 1.15rem;

        border-radius: 1rem;
    }

    .loc-master-formulas
    {
        grid-template-columns: 1fr;

        gap: 0.75rem;
    }

    .loc-master-formula
    {
        min-height: 5.5rem;

        padding:
            0.75rem
            0.45rem;
    }

    .loc-master-rule
    {
        flex-direction: column;

        gap: 0.35rem;
    }


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

    .loc-pair-grid,
    .loc-case-grid,
    .loc-decision-grid,
    .loc-mistake-grid,
    .loc-recipe-grid,
    .loc-final-summary-grid
    {
        grid-template-columns: 1fr;
    }


    /* -----------------------------------------
       Triangle
       ----------------------------------------- */

    .loc-triangle-figure
    {
        border-radius: 1rem;
    }

    .loc-triangle-wrap
    {
        min-height: 20rem;

        padding:
            0.8rem
            0.3rem;
    }

    .loc-triangle-svg
    {
        width: 100%;

        max-width: 27rem;
    }

    .loc-angle-label
    {
        font-size: 18px;
    }

    .loc-side-label
    {
        font-size: 16px;
    }


    /* -----------------------------------------
       Process
       ----------------------------------------- */

    .loc-process-card
    {
        padding: 1.15rem;

        border-radius: 1rem;
    }

    .loc-process-grid
    {
        grid-template-columns: 1fr;

        gap: 0.7rem;
    }


    /* -----------------------------------------
       Examples
       ----------------------------------------- */

    .loc-example-card
    {
        padding: 1.1rem;

        border-radius: 1rem;
    }

    .loc-example-heading
    {
        flex-direction: column;

        gap: 0.65rem;
    }

    .loc-example-type
    {
        align-self: flex-start;
    }

    .loc-example-layout
    {
        grid-template-columns: 1fr;

        gap: 1rem;
    }

    .loc-example-diagram
    {
        min-height: 15rem;
    }

    .loc-example-svg
    {
        width: 100%;

        max-width: 24rem;

        padding: 0.3rem;
    }

    .loc-example-steps
    {
        padding: 1rem;
    }


    /* -----------------------------------------
       Answer box
       ----------------------------------------- */

    .loc-answer-box
    {
        align-items: flex-start;

        flex-direction: column;

        gap: 0.5rem;

        width: 100%;
        min-width: 0;
    }

    .loc-answer-box mjx-container
    {
        width: 100%;
        max-width: 100%;

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

        text-align: left !important;
    }


    /* -----------------------------------------
       Tip / warning
       ----------------------------------------- */

    .loc-tip-card,
    .loc-warning-card
    {
        padding: 1rem;
    }


    /* -----------------------------------------
       Summary / recipe
       ----------------------------------------- */

    .loc-summary-card,
    .loc-recipe-card,
    .loc-final-summary
    {
        padding: 1.15rem;

        border-radius: 1rem;
    }

    .loc-summary-rule
    {
        align-items: flex-start;

        flex-direction: column;
    }


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

    .loc-practice-cta
    {
        padding: 1.25rem;

        border-radius: 1rem;
    }

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

        text-align: center;
    }


    /* -----------------------------------------
       Related
       ----------------------------------------- */

    .loc-related-grid
    {
        grid-template-columns: 1fr;
    }

    .loc-related-card
    {
        padding: 1.05rem;
    }


    /* -----------------------------------------
       Math
       ----------------------------------------- */

    .loc-master-formula mjx-container,
    .loc-case-example mjx-container,
    .loc-step-math mjx-container,
    .loc-angle-formula mjx-container,
    .loc-mistake-math mjx-container
    {
        width: 100%;
        max-width: 100%;

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


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

@media (max-width: 479.98px)
{
    .loc-master-card,
    .loc-process-card,
    .loc-summary-card,
    .loc-recipe-card,
    .loc-final-summary,
    .loc-practice-cta,
    .loc-example-card
    {
        padding: 1rem;
    }

    .loc-triangle-wrap
    {
        min-height: 17rem;
    }

    .loc-example-diagram
    {
        min-height: 13.5rem;
    }

    .loc-tip-card,
    .loc-warning-card
    {
        flex-direction: column;
    }

    .loc-pair-symbols
    {
        gap: 0.5rem;
    }

    .loc-pair-angle,
    .loc-pair-side
    {
        width: 2.7rem;
        height: 2.7rem;
    }
}


/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce)
{
    .loc-related-card
    {
        transition: none;
    }

    .loc-related-card:hover
    {
        transform: none;
    }
}


/* =========================================================
   PRINT
   ========================================================= */

@media print
{
    .loc-practice-cta,
    .loc-related-section
    {
        display: none !important;
    }

    .loc-master-card,
    .loc-pair-card,
    .loc-triangle-figure,
    .loc-case-card,
    .loc-process-card,
    .loc-summary-card,
    .loc-example-card,
    .loc-angle-formula-card,
    .loc-mistake-card,
    .loc-recipe-card,
    .loc-final-summary
    {
        break-inside: avoid;

        box-shadow: none;
    }

    .loc-example-layout
    {
        grid-template-columns:
            0.9fr
            1.1fr;
    }

    .loc-master-formula,
    .loc-step-math,
    .loc-answer-box,
    .loc-angle-formula,
    .loc-mistake-math
    {
        overflow: visible;
    }
}