/* ==========================================================
   ISERA — THE SCIENCE
   COMPLETE SCIENCE.CSS
   ========================================================== */


/* ----------------------------------------------------------
   VARIABLES
---------------------------------------------------------- */

:root {
    --ivory: #f4f1ea;
    --warm-white: #fbf9f4;
    --navy: #17243a;
    --gold: #a58a58;
    --body: #28354a;
    --muted: #5d6470;
    --line: rgba(23, 36, 58, 0.15);

    --serif: Georgia, "Times New Roman", serif;
    --sans: Arial, Helvetica, sans-serif;
}


/* ----------------------------------------------------------
   GLOBAL
---------------------------------------------------------- */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.science-page {
    margin: 0;
    padding: 0;

    background: var(--ivory);
    color: var(--navy);

    font-family: var(--sans);
    line-height: 1.6;
}

img {
    max-width: 100%;
}


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

.science-hero {
    width: 100%;
    padding: 70px 6vw 80px;
    overflow: hidden;
}

.science-hero-inner {
    width: 100%;
    max-width: 1500px;
    margin: 0 auto;

    display: grid !important;

    grid-template-columns:
        minmax(0, 1fr)
        500px !important;

    align-items: center !important;

    column-gap: 70px;
}


/* HERO LEFT */

.science-hero-copy {
    min-width: 0;
    width: 100%;
}

.science-eyebrow {
    margin: 0 0 24px;

    color: var(--gold);

    font-family: var(--sans);
    font-size: 15px;
    font-weight: 600;

    letter-spacing: 0.18em;
}

.science-hero h1 {
    margin: 0;

    max-width: 760px;

    color: var(--navy);

    font-family: var(--serif);
    font-size: clamp(64px, 5.5vw, 100px);
    font-weight: 400;

    line-height: 0.96;
    letter-spacing: -0.045em;
}

.science-intro {
    margin: 32px 0 0;

    color: var(--navy);

    font-family: var(--serif);
    font-size: clamp(24px, 2vw, 31px);

    line-height: 1.3;
}


/* HERO RIGHT */

.science-hero-media {
    display: block !important;

    width: 500px !important;
    max-width: 500px !important;

    height: 440px !important;

    margin: 0 !important;
    padding: 0 !important;

    overflow: hidden !important;
}

.science-hero-image {
    display: block !important;

    width: 500px !important;
    max-width: 500px !important;

    height: 440px !important;

    margin: 0 !important;

    object-fit: cover !important;
    object-position: center center !important;
}


/* ==========================================================
   OPENING
   ========================================================== */

.science-opening {
    width: 100%;

    padding: 75px 7vw;

    background: var(--warm-white);
}

.science-opening-copy {
    width: 100%;
    max-width: 900px;

    margin: 0 auto;
}

.science-opening-copy p {
    margin: 0 0 24px;

    color: var(--body);

    font-family: var(--sans);
    font-size: 19px;

    line-height: 1.78;
}

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

.science-opening-emphasis {
    margin-top: 44px !important;

    color: var(--navy) !important;

    font-family: var(--serif) !important;
    font-size: clamp(27px, 2.6vw, 39px) !important;

    line-height: 1.35 !important;
}


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

.science-principles {
    width: 86%;
    max-width: 1100px;

    margin: 0 auto;

    padding: 50px 0 80px;
}

.science-principle {
    display: grid;

    grid-template-columns:
        120px
        minmax(0, 680px);

    justify-content: center;

    column-gap: 48px;

    padding: 65px 0;

    border-bottom: 1px solid var(--line);
}

.principle-number {
    padding-top: 7px;

    color: var(--gold);

    font-family: var(--serif);
    font-size: 24px;
}

.principle-content {
    min-width: 0;
}

.principle-content h2 {
    margin: 0 0 16px;

    color: var(--navy);

    font-family: var(--serif);
    font-size: clamp(40px, 4vw, 64px);
    font-weight: 400;

    line-height: 1;
    letter-spacing: -0.03em;
}

.principle-content p {
    margin: 0 0 20px;

    color: var(--body);

    font-size: 17px;
    line-height: 1.75;
}

.principle-lead {
    margin-bottom: 28px !important;

    color: var(--navy) !important;

    font-family: var(--serif) !important;
    font-size: clamp(22px, 2vw, 28px) !important;

    line-height: 1.4 !important;
}

.research-link {
    display: inline-flex;
    align-items: center;

    margin-top: 18px;
    padding-bottom: 3px;

    border-bottom: 1px solid var(--navy);

    color: var(--navy);

    font-family: var(--sans);
    font-size: 12px;
    font-weight: 600;

    letter-spacing: 0.1em;

    text-decoration: none;
    text-transform: uppercase;
}

.research-link:hover {
    color: var(--gold);
    border-color: var(--gold);
}


/* ==========================================================
   PULL QUOTE
   ========================================================== */

.science-pullquote {
    width: 100%;

    display: flex;
    justify-content: center;

    padding: 85px 7vw;

    background: var(--warm-white);

    text-align: center;
}

.science-pullquote p {
    width: 100%;
    max-width: 900px;

    margin: 0;

    color: var(--navy);

    font-family: var(--serif);
    font-size: clamp(37px, 4.5vw, 74px);

    line-height: 1.08;
    letter-spacing: -0.035em;
}


/* ==========================================================
   STATISTICS
   ========================================================== */

.science-statistics {
    width: 100%;

    padding: 80px 7vw 90px;

    background: var(--navy);
    color: var(--warm-white);
}

.statistics-introduction {
    width: 100%;
    max-width: 1080px;

    margin: 0 auto 65px;
}

.statistics-eyebrow {
    margin: 0 0 16px;

    color: var(--gold);

    font-family: var(--sans);
    font-size: 13px;
    font-weight: 600;

    letter-spacing: 0.16em;
}

.statistics-introduction h2 {
    max-width: 800px;

    margin: 0;

    color: var(--warm-white);

    font-family: var(--serif);
    font-size: clamp(40px, 4vw, 64px);
    font-weight: 400;

    line-height: 1.08;
}

.statistics-grid {
    width: 100%;
    max-width: 1080px;

    margin: 0 auto;

    display: grid;

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

    gap: 48px;
}

.statistic {
    padding-top: 24px;

    border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.statistic-number {
    margin: 0 0 16px;

    color: var(--warm-white);

    font-family: var(--serif);
    font-size: clamp(52px, 5vw, 80px);

    line-height: 1;
}

.statistic-copy {
    max-width: 290px;

    margin: 0 0 20px;

    color: var(--warm-white);

    font-size: 16px;
    line-height: 1.6;
}

.statistic-source {
    max-width: 290px;

    margin: 0 0 8px;

    color: rgba(255, 255, 255, 0.66);

    font-size: 12px;
    line-height: 1.5;
}

.source-link {
    color: var(--gold);

    font-family: var(--sans);
    font-size: 12px;
    font-weight: 600;

    letter-spacing: 0.08em;

    text-decoration: none;
    text-transform: uppercase;
}

.source-link:hover {
    text-decoration: underline;
}


/* ==========================================================
   WHAT THE SCIENCE MEANS FOR ISERA
   ========================================================== */

.science-isera {
    width: 100%;

    padding: 95px 7vw;

    background: var(--ivory);

    text-align: center;
}

.science-isera-inner {
    width: 100%;
    max-width: 900px;

    margin: 0 auto;
}

.science-isera-label {
    margin: 0 0 20px;

    color: var(--gold);

    font-family: var(--sans);
    font-size: 13px;
    font-weight: 600;

    letter-spacing: 0.16em;
}

.science-isera h2 {
    margin: 0;

    color: var(--navy);

    font-family: var(--serif);
    font-size: clamp(48px, 5vw, 80px);
    font-weight: 400;

    line-height: 1;
    letter-spacing: -0.035em;
}

.science-isera-lead {
    max-width: 660px;

    margin: 32px auto 0;

    color: var(--body);

    font-size: 17px;
    line-height: 1.7;
}

.science-isera-statement {
    margin: 40px auto;

    color: var(--navy);

    font-family: var(--serif);
    font-size: clamp(27px, 2.6vw, 40px);

    line-height: 1.4;
}

.science-disclaimer {
    max-width: 700px;

    margin: 0 auto;

    color: var(--muted);

    font-size: 14px;
    line-height: 1.65;
}

.science-cta {
    display: inline-flex;
    align-items: center;

    margin-top: 44px;
    padding-bottom: 4px;

    border-bottom: 1px solid var(--navy);

    color: var(--navy);

    font-family: var(--sans);
    font-size: 12px;
    font-weight: 600;

    letter-spacing: 0.1em;

    text-decoration: none;
    text-transform: uppercase;
}

.science-cta:hover {
    color: var(--gold);
    border-color: var(--gold);
}


/* ==========================================================
   SELECTED RESEARCH
   ========================================================== */

.science-sources {
    width: 100%;

    padding: 80px 7vw;

    background: var(--warm-white);
}

.science-sources-inner {
    width: 100%;
    max-width: 900px;

    margin: 0 auto;
}

.sources-label {
    margin: 0 0 16px;

    color: var(--gold);

    font-family: var(--sans);
    font-size: 13px;
    font-weight: 600;

    letter-spacing: 0.16em;
}

.science-sources h2 {
    margin: 0 0 48px;

    color: var(--navy);

    font-family: var(--serif);
    font-size: clamp(35px, 3.5vw, 56px);
    font-weight: 400;

    line-height: 1.1;
}

.sources-list {
    margin: 0;

    padding-left: 24px;
}

.sources-list li {
    padding: 20px 0 20px 8px;

    border-top: 1px solid var(--line);

    color: #58606b;

    font-size: 14px;
    line-height: 1.6;
}

.sources-list li:last-child {
    border-bottom: 1px solid var(--line);
}

.sources-list a {
    color: inherit;

    text-decoration: none;
}

.sources-list a:hover {
    color: var(--gold);
}


/* ==========================================================
   FOOTER
   ========================================================== */

.science-footer {
    width: 100%;

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

    padding: 28px 5vw;

    background: var(--ivory);

    border-top: 1px solid var(--line);

    color: var(--navy);

    font-family: var(--sans);
    font-size: 12px;

    letter-spacing: 0.08em;

    text-transform: uppercase;
}

.science-footer p {
    margin: 0;
}

.science-footer nav {
    display: flex;

    gap: 22px;
}

.science-footer a {
    color: var(--navy);

    text-decoration: none;
}

.science-footer a:hover {
    color: var(--gold);
}


/* ==========================================================
   MEDIUM DESKTOP
   ========================================================== */

@media (max-width: 1200px) {

    .science-hero-inner {
        grid-template-columns:
            minmax(0, 1fr)
            420px !important;

        column-gap: 45px;
    }

    .science-hero-media {
        width: 420px !important;
        max-width: 420px !important;
        height: 400px !important;
    }

    .science-hero-image {
        width: 420px !important;
        max-width: 420px !important;
        height: 400px !important;
    }

    .science-hero h1 {
        font-size: clamp(58px, 6vw, 82px);
    }
}


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

@media (max-width: 850px) {

    .science-hero {
        padding: 55px 6vw 65px;
    }

    .science-hero-inner {
        grid-template-columns: 1fr !important;

        row-gap: 40px;
    }

    .science-hero-media {
        width: 100% !important;
        max-width: 100% !important;

        height: 420px !important;
    }

    .science-hero-image {
        width: 100% !important;
        max-width: 100% !important;

        height: 420px !important;
    }

    .science-principle {
        grid-template-columns:
            70px
            minmax(0, 1fr);

        column-gap: 30px;
    }

    .statistics-grid {
        grid-template-columns: 1fr;

        gap: 42px;
    }

    .statistic-copy,
    .statistic-source {
        max-width: 520px;
    }

    .science-footer {
        align-items: flex-start;
        flex-direction: column;

        gap: 20px;
    }

    .science-footer nav {
        flex-wrap: wrap;
    }
}


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

@media (max-width: 650px) {

    .science-hero {
        padding: 45px 24px 50px;
    }

    .science-eyebrow {
        font-size: 13px;
    }

    .science-hero h1 {
        font-size: clamp(52px, 15vw, 74px);
    }

    .science-intro {
        margin-top: 24px;

        font-size: 24px;
    }

    .science-hero-media {
        height: 330px !important;
    }

    .science-hero-image {
        height: 330px !important;
    }

    .science-opening {
        padding: 55px 24px;
    }

    .science-opening-copy p {
        font-size: 17px;
        line-height: 1.7;
    }

    .science-principles {
        width: auto;

        margin: 0 24px;

        padding: 25px 0 50px;
    }

    .science-principle {
        grid-template-columns: 1fr;

        row-gap: 12px;

        padding: 48px 0;
    }

    .principle-number {
        padding: 0;

        font-size: 18px;
    }

    .science-pullquote {
        padding: 65px 24px;
    }

    .science-statistics {
        padding: 65px 24px;
    }

    .science-isera {
        padding: 72px 24px;
    }

    .science-sources {
        padding: 65px 24px;
    }

    .science-footer {
        padding: 28px 24px;
    }

    .science-footer nav {
        gap: 14px 20px;
    }
}