/* =====================================
   RESPONSIBLE AI BASE
===================================== */

.rai-shell {
    width:
        min(
            calc(100% - 80px),
            1120px
        );

    margin: 0 auto;
}


.rai-section {
    padding:
        130px 0;

    background: #09070f;

    border-top:
        1px solid
        rgba(255, 255, 255, 0.035);
}


.rai-alt {
    background: #0b0810;
}



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

.rai-hero {
    position: relative;

    overflow: hidden;

    padding:
        175px 0
        130px;

    background:
        radial-gradient(
            circle at 50% 10%,
            rgba(120, 63, 169, 0.18),
            transparent 40%
        ),
        #09070f;

    text-align: center;
}


.rai-hero-glow {
    position: absolute;

    top: -240px;
    left: 50%;

    width: 900px;
    height: 600px;

    transform:
        translateX(-50%);

    background:
        radial-gradient(
            ellipse,
            rgba(143, 75, 193, 0.15),
            transparent 68%
        );

    pointer-events: none;
}


.rai-hero-inner {
    position: relative;

    z-index: 2;

    max-width: 900px;
}


.rai-hero h1 {
    margin: 0;

    font-size:
        clamp(
            60px,
            6vw,
            90px
        );

    line-height: 0.98;

    letter-spacing: -0.055em;

    font-weight: 500;
}


.rai-hero h1 span {
    display: block;

    color: #c7afe0;
}


.rai-hero-copy {
    max-width: 760px;

    margin:
        31px auto
        0;

    color: #9a909e;

    font-size: 19px;

    line-height: 1.72;
}


.rai-updated {
    margin:
        25px 0
        0;

    color: #665d6c;

    font-size: 12px;

    letter-spacing: 0.04em;
}



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

.rai-section-heading {
    max-width: 820px;

    margin-bottom: 60px;
}


.rai-section-heading h2,
.rai-split h2,
.rai-responsibility-card h2,
.rai-final h2 {
    margin: 0;

    font-size:
        clamp(
            44px,
            5vw,
            70px
        );

    line-height: 1.03;

    letter-spacing: -0.045em;

    font-weight: 500;
}


.rai-section-heading h2 span,
.rai-split h2 span,
.rai-responsibility-card h2 span,
.rai-final h2 span {
    display: block;

    color: #c7afe0;
}


.rai-section-heading > p:last-child {
    max-width: 720px;

    margin:
        25px 0
        0;

    color: #958b99;

    font-size: 18px;

    line-height: 1.72;
}



/* =====================================
   PRINCIPLES
===================================== */

.rai-principle-grid {
    display: grid;

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

    gap: 13px;
}


.rai-principle-grid article {
    min-height: 245px;

    padding: 27px;

    border:
        1px solid
        rgba(255, 255, 255, 0.055);

    border-radius: 15px;

    background:
        rgba(255, 255, 255, 0.008);
}


.rai-number {
    color: #9b6ab9;

    font-size: 10px;

    font-weight: 700;

    letter-spacing: 1px;
}


.rai-principle-grid strong {
    display: block;

    margin-top: 21px;

    color: #d4ccd7;

    font-size: 19px;

    line-height: 1.4;
}


.rai-principle-grid p {
    margin:
        13px 0
        0;

    color: #8d8491;

    font-size: 15px;

    line-height: 1.68;
}



/* =====================================
   SPLIT SECTIONS
===================================== */

.rai-split {
    display: grid;

    grid-template-columns:
        1fr
        0.8fr;

    gap: 90px;

    align-items: start;
}


.rai-copy p {
    margin:
        0 0
        20px;

    color: #948a98;

    font-size: 18px;

    line-height: 1.74;
}


.rai-copy p:last-child {
    margin-bottom: 0;
}



/* =====================================
   SCOPE
===================================== */

.rai-boundary-grid {
    display: grid;

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

    gap: 13px;
}


.rai-boundary-grid article {
    min-height: 260px;

    padding: 28px;

    border:
        1px solid
        rgba(148, 88, 190, 0.15);

    border-radius: 15px;
}


.rai-boundary-grid article > span {
    color: #9b6cb8;

    font-size: 9px;

    font-weight: 700;

    letter-spacing: 1.2px;
}


.rai-boundary-grid strong {
    display: block;

    margin-top: 14px;

    color: #d5ced8;

    font-size: 20px;

    line-height: 1.4;
}


.rai-boundary-grid p {
    margin:
        14px 0
        0;

    color: #8e8592;

    font-size: 15px;

    line-height: 1.7;
}



/* =====================================
   PRIVACY
===================================== */

.rai-privacy {
    background:
        radial-gradient(
            circle at 15% 50%,
            rgba(108, 57, 155, 0.10),
            transparent 32%
        ),
        #09070f;
}


.rai-privacy-grid {
    display: grid;

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

    gap: 12px;

    margin-top: 70px;
}


.rai-privacy-grid article {
    min-height: 145px;

    padding: 24px;

    border:
        1px solid
        rgba(255, 255, 255, 0.05);

    border-radius: 13px;
}


.rai-privacy-grid span {
    color: #80658e;

    font-size: 9px;

    font-weight: 700;

    letter-spacing: 1px;
}


.rai-privacy-grid strong {
    display: block;

    margin-top: 13px;

    color: #cfc7d2;

    font-size: 16px;

    line-height: 1.45;
}



/* =====================================
   RESPONSIBLE USE
===================================== */

.rai-use-grid {
    display: grid;

    grid-template-columns:
        1fr
        1fr;

    gap: 16px;
}


.rai-use-card {
    padding:
        35px;

    border:
        1px solid
        rgba(255, 255, 255, 0.055);

    border-radius: 16px;

    background:
        rgba(255, 255, 255, 0.008);
}


.rai-card-label {
    color: #a370bf;

    font-size: 10px;

    font-weight: 700;

    letter-spacing: 1.3px;
}


.rai-use-card ul {
    margin:
        25px 0
        0;

    padding-left: 20px;
}


.rai-use-card li {
    margin-bottom: 15px;

    color: #968d9b;

    font-size: 16px;

    line-height: 1.6;
}



/* =====================================
   RESPONSIBILITY
===================================== */

.rai-responsibility {
    background:
        radial-gradient(
            circle at 50% 50%,
            rgba(118, 62, 168, 0.12),
            transparent 45%
        ),
        #0b0810;
}


.rai-responsibility-card {
    max-width: 900px;

    margin: 0 auto;

    text-align: center;
}


.rai-responsibility-card > p:last-child {
    max-width: 720px;

    margin:
        27px auto
        0;

    color: #958b99;

    font-size: 18px;

    line-height: 1.72;
}



/* =====================================
   POLICY LINKS
===================================== */

.rai-policy-section {
    padding:
        50px 0;

    background: #09070f;

    border-top:
        1px solid
        rgba(255, 255, 255, 0.04);
}


.rai-policy-grid {
    display: grid;

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

    gap: 12px;
}


.rai-policy-grid a {
    padding:
        25px;

    border:
        1px solid
        rgba(255, 255, 255, 0.055);

    border-radius: 12px;

    transition:
        border-color 0.2s ease,
        background 0.2s ease;
}


.rai-policy-grid a:hover {
    border-color:
        rgba(158, 94, 206, 0.30);

    background:
        rgba(105, 57, 148, 0.05);
}


.rai-policy-grid span {
    display: block;

    color: #80678f;

    font-size: 9px;

    font-weight: 700;

    letter-spacing: 1px;
}


.rai-policy-grid strong {
    display: block;

    margin-top: 9px;

    color: #d2cad5;

    font-size: 18px;
}



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

.rai-final {
    padding:
        145px 0;

    background:
        radial-gradient(
            ellipse at 50% 100%,
            rgba(110, 55, 161, 0.28),
            transparent 53%
        ),
        #09060e;

    text-align: center;
}


.rai-final-inner {
    max-width: 900px;
}


.rai-final-inner > p:not(.eyebrow) {
    max-width: 670px;

    margin:
        25px auto
        0;

    color: #958b99;

    font-size: 18px;

    line-height: 1.7;
}


.rai-final .button {
    margin-top: 34px;
}



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

@media (max-width: 950px) {

    .rai-principle-grid,
    .rai-privacy-grid {
        grid-template-columns:
            1fr 1fr;
    }


    .rai-split {
        grid-template-columns: 1fr;

        gap: 40px;
    }

}


@media (max-width: 760px) {

    .rai-shell {
        width:
            calc(100% - 40px);
    }


    .rai-section {
        padding:
            100px 0;
    }


    .rai-boundary-grid,
    .rai-policy-grid {
        grid-template-columns: 1fr;
    }

}


@media (max-width: 600px) {

    html,
    body {
        max-width: 100%;

        overflow-x: hidden;
    }


    .rai-shell {
        width:
            calc(100% - 28px);

        max-width:
            calc(100% - 28px);
    }


    .rai-hero {
        padding:
            125px 0
            90px;
    }


    .rai-hero h1 {
        font-size: 50px;
    }


    .rai-section-heading h2,
    .rai-split h2,
    .rai-responsibility-card h2,
    .rai-final h2 {
        font-size: 42px;
    }


    .rai-principle-grid,
    .rai-privacy-grid,
    .rai-use-grid {
        grid-template-columns: 1fr;
    }


    .rai-principle-grid article {
        min-height: auto;
    }


    .rai-use-card {
        padding:
            28px 23px;
    }


    .rai-final {
        padding:
            110px 0;
    }

}