/* ======================================================
   HERO
====================================================== */

.measurement-hero {
    background:
        radial-gradient(
            circle at 86% 18%,
            rgba(37, 99, 235, 0.11),
            transparent 31%
        ),
        radial-gradient(
            circle at 12% 88%,
            rgba(14, 165, 233, 0.08),
            transparent 28%
        ),
        linear-gradient(
            180deg,
            #f8fbff,
            #ffffff
        );
}


.measurement-hero-card {
    min-height: 420px;

    display: flex;
    flex-direction: column;

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

    padding: 38px;

    color: #ffffff;

    background:
        linear-gradient(
            135deg,
            #2563eb,
            #0891b2
        );

    border-radius:
        var(--radius-extra-large);

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


.measurement-hero-label {
    margin-bottom: 30px;

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

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

    text-transform: uppercase;
    letter-spacing: 0.09em;
}


.measurement-hero-bars {
    width: 100%;

    display: grid;

    gap: 14px;

    margin-bottom: 38px;
}


.measurement-hero-bars > div {
    display: grid;

    grid-template-columns:
        1fr 75px;

    align-items: center;

    gap: 12px;
}


.hero-bar {
    height: 22px;

    display: block;

    background: #ffffff;

    border-radius: 999px;
}


.hero-bar-long {
    width: 90%;
}


.hero-bar-short {
    width: 58%;
}


.measurement-hero-bars small {
    color:
        rgba(255, 255, 255, 0.72);

    font-size: 0.68rem;
}


.measurement-hero-clock {
    display: flex;

    align-items: center;

    gap: 17px;
}


.hero-clock {
    position: relative;

    width: 65px;
    height: 65px;

    flex-shrink: 0;

    border:
        5px solid #ffffff;

    border-radius: 50%;
}


.hero-clock::after {
    content: "";

    position: absolute;

    left: 50%;
    top: 50%;

    width: 7px;
    height: 7px;

    background: #ffffff;

    border-radius: 50%;

    transform:
        translate(-50%, -50%);
}


.hero-clock-hand-one {
    position: absolute;

    left: 50%;
    bottom: 50%;

    width: 3px;
    height: 19px;

    background: #ffffff;

    transform-origin:
        bottom center;

    transform:
        rotate(25deg);
}


.hero-clock-hand-two {
    position: absolute;

    left: 50%;
    top: 50%;

    width: 20px;
    height: 3px;

    background: #ffffff;

    transform-origin:
        left center;

    transform:
        rotate(10deg);
}


.measurement-hero-clock > span {
    max-width: 230px;

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

    font-size: 0.78rem;
}



/* ======================================================
   INTRO
====================================================== */

.measurement-intro-visual {
    min-height: 350px;

    display: flex;
    flex-direction: column;

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

    gap: 9px;

    padding: 45px;

    color: #ffffff;

    background:
        linear-gradient(
            135deg,
            #0f766e,
            #059669
        );
}


.intro-pencil {
    height: 24px;

    position: relative;

    background: #ffffff;

    border-radius:
        4px 12px 12px 4px;
}


.intro-pencil::before {
    content: "";

    position: absolute;

    left: -17px;
    top: 0;

    width: 0;
    height: 0;

    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    border-right: 18px solid #ffffff;
}


.intro-pencil-long {
    width: 240px;
}


.intro-pencil-short {
    width: 150px;

    margin-top: 20px;
}


.measurement-intro-visual small {
    margin-left: 5px;

    color:
        rgba(255, 255, 255, 0.72);
}



/* ======================================================
   LENGTH CONCEPT
====================================================== */

.length-concept-section {
    background:
        var(--color-background);
}


.length-concept-grid {
    display: grid;

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

    gap: 20px;
}


.length-concept-card {
    padding: 26px;

    background: #ffffff;

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

    border-radius:
        var(--radius-large);

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


.length-card-number {
    display: block;

    margin-bottom: 28px;

    color:
        var(--color-primary);

    font-size: 0.68rem;
    font-weight: 850;
}


.length-demo {
    min-height: 130px;

    display: flex;
    flex-direction: column;

    justify-content: center;

    gap: 14px;

    margin-bottom: 22px;

    padding: 22px;

    background:
        var(--color-background-soft);

    border-radius:
        var(--radius-medium);
}


.demo-line {
    height: 17px;

    display: block;

    background:
        var(--color-primary);

    border-radius: 999px;
}


.demo-line-long {
    width: 90%;
}


.demo-line-short {
    width: 55%;
}


.demo-line-equal {
    width: 75%;
}


.length-concept-card h3 {
    margin-bottom: 10px;

    font-size: 1.04rem;
}


.length-concept-card p {
    margin-bottom: 0;

    color:
        var(--color-text-muted);

    font-size: 0.82rem;
}



/* ======================================================
   COMPARE METHOD
====================================================== */

.compare-method-section {
    background:
        var(--color-background-soft);
}


.compare-method-wrapper {
    display: grid;

    grid-template-columns:
        minmax(0, 0.75fr)
        minmax(500px, 1.25fr);

    align-items: center;

    gap: 70px;
}


.compare-method-content h2 {
    margin-bottom: 18px;

    font-size:
        clamp(
            2.2rem,
            4vw,
            3.5rem
        );

    letter-spacing:
        -0.04em;
}


.compare-method-content p {
    color:
        var(--color-text-muted);
}


.compare-method-demo {
    position: relative;

    display: grid;

    gap: 20px;

    padding: 35px;

    background: #ffffff;

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

    border-radius:
        var(--radius-large);

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


.compare-start-line {
    position: absolute;

    left: 78px;
    top: 32px;
    bottom: 70px;

    width: 3px;

    background:
        #cbd5e1;
}


.compare-object-row {
    position: relative;

    z-index: 2;

    display: grid;

    grid-template-columns:
        35px 1fr;

    align-items: center;

    gap: 12px;
}


.compare-object-label {
    color:
        var(--color-text-muted);

    font-weight: 850;
}


.compare-bar {
    height: 25px;

    background:
        var(--color-primary);

    border-radius: 0 999px 999px 0;
}


.compare-bar-a {
    width: 88%;
}


.compare-bar-b {
    width: 58%;

    background:
        #0f766e;
}


.compare-method-demo p {
    margin: 8px 0 0;

    color:
        var(--color-text-muted);

    font-size: 0.8rem;
}



/* ======================================================
   INTERACTIVE
====================================================== */

.measurement-interactive-section {
    color: #ffffff;

    background:
        #0f172a;
}


.measurement-interactive-section
.section-eyebrow {
    color:
        #93c5fd;
}


.measurement-interactive-section
.section-header p {
    color:
        #94a3b8;
}


.length-activity-card {
    max-width: 900px;

    margin-inline: auto;

    padding: 32px;

    background:
        rgba(255, 255, 255, 0.06);

    border:
        1px solid
        rgba(255, 255, 255, 0.10);

    border-radius:
        var(--radius-extra-large);
}


.length-builder {
    display: grid;

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

    gap: 20px;

    margin-bottom: 25px;
}


.length-builder-item {
    min-height: 285px;

    display: flex;
    flex-direction: column;

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

    padding: 25px;

    background: #ffffff;

    border-radius:
        var(--radius-large);
}


.length-builder-label {
    margin-bottom: 24px;

    color:
        var(--color-text-muted);

    font-size: 0.7rem;
    font-weight: 850;

    text-transform: uppercase;
    letter-spacing: 0.08em;
}


.length-track {
    width: 100%;
    height: 65px;

    display: flex;

    align-items: center;

    margin-bottom: 15px;

    padding: 10px;

    background:
        var(--color-background-soft);

    border-radius:
        var(--radius-medium);
}


.interactive-length-bar {
    height: 28px;

    border-radius: 999px;

    transition:
        width 0.25s ease;
}


.length-bar-a {
    background:
        var(--color-primary);
}


.length-bar-b {
    background:
        #0f766e;
}


.length-builder-item > strong {
    margin-bottom: 18px;

    color:
        var(--color-primary);

    font-size: 2rem;
}


.length-controls {
    display: flex;

    gap: 8px;
}


.length-controls button {
    width: 43px;
    height: 43px;

    display: grid;

    place-items: center;

    color:
        var(--color-primary);

    background:
        var(--color-primary-light);

    border:
        1px solid
        rgba(37, 99, 235, 0.18);

    border-radius: 10px;

    font-size: 1.2rem;
    font-weight: 900;
}


.length-controls button:disabled {
    opacity: 0.35;

    cursor: not-allowed;
}


.length-action {
    display: flex;

    justify-content: center;

    flex-wrap: wrap;

    gap: 10px;

    margin-bottom: 24px;
}


.measurement-reset-button {
    color: #ffffff;

    background:
        rgba(255, 255, 255, 0.08);

    border-color:
        rgba(255, 255, 255, 0.16);
}


.length-result {
    display: none;

    padding: 30px;

    color:
        var(--color-text);

    background: #ffffff;

    border-radius:
        var(--radius-large);

    text-align: center;
}


.length-result.show {
    display: block;
}


.length-result > span {
    display: block;

    margin-bottom: 10px;

    color:
        var(--color-text-muted);

    font-size: 0.68rem;
    font-weight: 850;

    text-transform: uppercase;
    letter-spacing: 0.08em;
}


.length-result strong {
    display: block;

    margin-bottom: 8px;

    color:
        var(--color-primary);

    font-size: 1.35rem;
}


.length-result p {
    margin-bottom: 0;

    color:
        var(--color-text-muted);

    font-size: 0.82rem;
}



/* ======================================================
   ORDER LENGTH
====================================================== */

.length-order-section {
    background:
        var(--color-background);
}


.length-order-card {
    display: grid;

    gap: 16px;

    padding: 30px;

    background:
        var(--color-background-soft);

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

    border-radius:
        var(--radius-extra-large);
}


.order-item {
    display: grid;

    grid-template-columns:
        40px 1fr 90px;

    align-items: center;

    gap: 16px;

    padding: 16px;

    background: #ffffff;

    border-radius:
        var(--radius-medium);
}


.order-item > span {
    width: 36px;
    height: 36px;

    display: grid;

    place-items: center;

    color:
        var(--color-primary);

    background:
        var(--color-primary-light);

    border-radius: 50%;

    font-size: 0.7rem;
    font-weight: 850;
}


.order-bar {
    height: 20px;

    background:
        var(--color-primary);

    border-radius: 999px;
}


.order-bar-small {
    width: 35%;
}


.order-bar-medium {
    width: 62%;
}


.order-bar-large {
    width: 90%;
}


.order-item strong {
    color:
        var(--color-text-muted);

    font-size: 0.76rem;
}



/* ======================================================
   TIME
====================================================== */

.time-section {
    background:
        var(--color-background-soft);
}


.time-of-day-grid {
    display: grid;

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

    gap: 20px;
}


.time-card {
    padding: 28px;

    background: #ffffff;

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

    border-radius:
        var(--radius-large);

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


.time-symbol {
    min-height: 155px;

    display: flex;

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

    margin-bottom: 25px;

    border-radius:
        var(--radius-medium);
}


.time-morning .time-symbol {
    background:
        #fff7ed;
}


.time-afternoon .time-symbol {
    background:
        #eff6ff;
}


.time-night .time-symbol {
    background:
        #eef2ff;
}


.sun-symbol {
    position: relative;

    width: 75px;
    height: 75px;

    display: block;

    background:
        #f59e0b;

    border-radius: 50%;

    box-shadow:
        0 0 0 14px
        rgba(245, 158, 11, 0.12);
}


.sun-high {
    background:
        #2563eb;

    box-shadow:
        0 0 0 14px
        rgba(37, 99, 235, 0.10);
}


.moon-symbol {
    width: 75px;
    height: 75px;

    display: block;

    background:
        #4f46e5;

    border-radius: 50%;

    box-shadow:
        22px -8px 0
        #eef2ff;
}


.time-number {
    display: block;

    margin-bottom: 8px;

    color:
        var(--color-primary);

    font-size: 0.68rem;
    font-weight: 850;
}


.time-card h3 {
    margin-bottom: 10px;

    font-size: 1.08rem;
}


.time-card p {
    margin-bottom: 0;

    color:
        var(--color-text-muted);

    font-size: 0.82rem;
}



/* ======================================================
   DAILY SEQUENCE
====================================================== */

.daily-sequence-section {
    background:
        var(--color-background);
}


.daily-sequence-wrapper {
    display: grid;

    grid-template-columns:
        minmax(0, 0.7fr)
        minmax(520px, 1.3fr);

    align-items: center;

    gap: 70px;
}


.daily-sequence-content h2 {
    margin-bottom: 18px;

    font-size:
        clamp(
            2.2rem,
            4vw,
            3.5rem
        );

    letter-spacing:
        -0.04em;
}


.daily-sequence-content p {
    color:
        var(--color-text-muted);
}


.daily-sequence-flow {
    display: flex;

    align-items: center;

    gap: 12px;

    padding: 24px;

    background:
        var(--color-background-soft);

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

    border-radius:
        var(--radius-large);
}


.sequence-item {
    flex: 1;

    min-height: 120px;

    display: flex;

    align-items: center;

    gap: 12px;

    padding: 15px;

    background: #ffffff;

    border-radius:
        var(--radius-medium);
}


.sequence-item > span {
    width: 38px;
    height: 38px;

    display: grid;

    place-items: center;

    flex-shrink: 0;

    color:
        var(--color-primary);

    background:
        var(--color-primary-light);

    border-radius: 50%;

    font-size: 0.7rem;
    font-weight: 850;
}


.sequence-item strong,
.sequence-item small {
    display: block;
}


.sequence-item strong {
    margin-bottom: 4px;

    font-size: 0.84rem;
}


.sequence-item small {
    color:
        var(--color-text-muted);

    font-size: 0.66rem;
}


.sequence-arrow {
    color:
        var(--color-text-muted);

    font-weight: 850;
}



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

.measurement-practice-bars {
    min-height: 120px;

    display: flex;
    flex-direction: column;

    justify-content: center;

    gap: 18px;

    margin-bottom: 22px;

    padding: 20px;

    background:
        var(--color-background-soft);

    border-radius:
        var(--radius-medium);
}


.measurement-practice-bars > div {
    display: grid;

    grid-template-columns:
        25px 1fr;

    align-items: center;

    gap: 10px;
}


.measurement-practice-bars span {
    color:
        var(--color-text-muted);

    font-size: 0.72rem;
    font-weight: 850;
}


.measurement-practice-bars i {
    height: 16px;

    display: block;

    background:
        var(--color-primary);

    border-radius: 999px;
}


.practice-bar-long {
    width: 90%;
}


.practice-bar-short {
    width: 52%;
}


.practice-bar-equal {
    width: 72%;
}


.time-practice-display {
    min-height: 120px;

    display: flex;

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

    gap: 25px;

    margin-bottom: 22px;

    background:
        var(--color-background-soft);

    border-radius:
        var(--radius-medium);
}


.practice-moon {
    width: 55px;
    height: 55px;

    display: block;

    background:
        #4f46e5;

    border-radius: 50%;

    box-shadow:
        16px -5px 0
        var(--color-background-soft);
}


.time-practice-display strong {
    color:
        var(--color-primary);

    font-size: 2rem;
}



/* ======================================================
   RESPONSIVE
====================================================== */

@media (max-width: 1024px) {

    .compare-method-wrapper,
    .daily-sequence-wrapper {
        grid-template-columns: 1fr;

        gap: 45px;
    }


    .length-concept-grid,
    .time-of-day-grid {
        grid-template-columns:
            repeat(2, minmax(0, 1fr));
    }

}



@media (max-width: 860px) {

    .length-builder {
        grid-template-columns: 1fr;
    }


    .daily-sequence-flow {
        flex-direction: column;

        align-items: stretch;
    }


    .sequence-arrow {
        transform:
            rotate(90deg);

        text-align: center;
    }

}



@media (max-width: 600px) {

    .measurement-hero-card {
        min-height: 360px;

        padding: 25px;
    }


    .measurement-hero-bars > div {
        grid-template-columns:
            1fr 65px;
    }


    .length-concept-grid,
    .time-of-day-grid {
        grid-template-columns: 1fr;
    }


    .compare-method-demo {
        padding: 25px 18px;
    }


    .compare-start-line {
        left: 60px;
    }


    .length-activity-card {
        padding: 20px;
    }


    .length-action {
        flex-direction: column;
    }


    .length-action .button {
        width: 100%;
    }


    .order-item {
        grid-template-columns:
            35px 1fr;

        gap: 12px;
    }


    .order-item strong {
        grid-column:
            2;
    }


    .daily-sequence-flow {
        padding: 18px;
    }

}