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

* {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        Helvetica,
        Arial,
        sans-serif;

    color: #202020;
    background: #fff;

    line-height: 1.6;
}

img {
    display: block;
    max-width: 100%;
}

h1,
h2,
p {
    margin-top: 0;
}


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

.eyebrow {
    display: block;

    margin-bottom: 0.8rem;

    color: #777;

    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
}

/* =========================================
   COMING SOON PAGE
========================================= */

body.coming-soon-page {
    width: 100%;
    height: 100vh;

    margin: 0;

    background: #fff;

    overflow: hidden;
}

main.coming-soon {
    width: 100vw;
    height: 100vh;

    margin: 0;
    padding: 20px;

    display: flex;

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

.coming-soon-lockup {
    width: 100%;

    display: flex;

    flex-direction: column;

    align-items: center;

    text-align: center;
}

.coming-soon-lockup img {
    display: block;

    width: 750px;
    max-width: 80vw;

    height: auto;
}

.coming-soon-tagline {
    margin: 1rem 0 0;

    max-width: 650px;

    font-size: 1.55rem;
    font-weight: 500;

    line-height: 1.3;

    letter-spacing: -0.015em;
}

/* =========================================
   BRAND HEADER
========================================= */

.site-header {
    width: 100%;
    padding: 3.75rem 20px 3.5rem;
    background: #fff;
    border-bottom: 1px solid #e4e4e1;
}

.header-inner {
    width: min(90%, 900px);
    margin: 0 auto;

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

    gap: 4rem;
}

.header-logo-link {
    flex: 0 0 330px;
    width: 330px;
    max-width: 45%;
}

.header-logo {
    display: block;
    width: 100%;
    height: auto;
}

.header-logo-link img {
    width: 100%;
    height: auto;
}

.tagline {
    flex: 0 1 600px;

    max-width: 600px;

    margin: 0;

    font-size: 1.55rem;
    font-weight: 500;

    line-height: 1.3;

    letter-spacing: -0.015em;
}

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

.research-intro {
    width: 100%;

    padding: 5rem 20px;

    background: #f5f5f2;

    border-bottom: 1px solid #dededb;
}

.research-intro-inner {
    width: min(88%, 900px);

    margin: 0 auto;
}

.research-intro h1 {
    max-width: 820px;

    margin-bottom: 1.5rem;

    font-size: 2.35rem;
    font-weight: 600;

    line-height: 1.2;

    letter-spacing: -0.025em;
}

.research-intro p {
    max-width: 760px;

    margin-bottom: 1rem;

    color: #555;

    font-size: 1.05rem;

    line-height: 1.65;
}

.research-intro p:last-child {
    margin-bottom: 0;
}


/* =========================================
   SURVEY
========================================= */

.survey {
    width: min(90%, 900px);

    margin: 0 auto;

    padding: 5.5rem 0 7rem;
}


/* =========================================
   PARTICIPANT INFORMATION
========================================= */

.participant-info {
    margin-bottom: 6rem;

    padding-bottom: 5rem;

    border-bottom: 1px solid #dededb;
}

.section-heading {
    display: flex;

    align-items: baseline;

    gap: 1.25rem;

    margin-bottom: 2.75rem;
}

.section-number {
    color: #888;

    font-size: 0.78rem;
    font-weight: 700;

    letter-spacing: 0.08em;
}

.section-heading h2 {
    margin: 0;

    font-size: 1.65rem;

    line-height: 1.2;
}


/* Participant fields */

.info-grid {
    display: grid;

    grid-template-columns: 1fr 1fr;

    column-gap: 3rem;
    row-gap: 2.25rem;
}

.field {
    display: flex;
    flex-direction: column;
}

.field label {
    margin-bottom: 0.6rem;

    font-size: 0.88rem;
    font-weight: 600;
}

.field input {
    width: 100%;
    height: 50px;

    padding: 0 0.9rem;

    border: 1px solid #cfcfcb;
    border-radius: 3px;

    background: #fff;

    font-family: inherit;
    font-size: 0.95rem;
}


/* =========================================
   FORM ELEMENTS
========================================= */

input,
textarea {
    color: #202020;

    font-family: inherit;

    transition:
        border-color 0.15s ease,
        box-shadow 0.15s ease;
}

input:focus,
textarea:focus {
    outline: none;

    border-color: #555;

    box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.04);
}


/* =========================================
   QUESTIONS
========================================= */

.question {
    margin-bottom: 6rem;
}

.question-number {
    display: block;

    margin-bottom: 0.65rem;

    color: #888;

    font-size: 0.78rem;
    font-weight: 700;

    letter-spacing: 0.08em;
}

.question label {
    display: block;

    max-width: 820px;

    margin-bottom: 1.35rem;

    font-size: 1.25rem;
    font-weight: 650;

    line-height: 1.4;

    letter-spacing: -0.01em;
}

.question textarea,
.concept-question textarea {
    width: 100%;

    min-height: 190px;

    padding: 1rem;

    border: 1px solid #cfcfcb;
    border-radius: 3px;

    background: #fff;

    font-family: inherit;
    font-size: 1rem;

    line-height: 1.6;

    resize: vertical;
}


/* =========================================
   CONCEPT TEST
========================================= */

.concept-section {
    margin-top: 7rem;

    padding-top: 5rem;

    border-top: 2px solid #202020;
}

.concept-section h2 {
    margin-bottom: 1.25rem;

    font-size: 1.9rem;

    line-height: 1.25;

    letter-spacing: -0.02em;
}

.concept-description {
    max-width: 720px;

    margin-bottom: 3.5rem;

    color: #555;

    font-size: 1.02rem;
}

.concept-question {
    margin-bottom: 3.5rem;
}

.concept-question label {
    display: block;

    margin-bottom: 1.25rem;

    font-size: 1.15rem;
    font-weight: 650;

    line-height: 1.45;
}


/* =========================================
   SUBMIT
========================================= */

.submit-area {
    margin-top: 5rem;

    padding-top: 3rem;

    border-top: 1px solid #dededb;
}

button {
    display: inline-block;

    padding: 0.95rem 1.8rem;

    border: 0;
    border-radius: 3px;

    background: #444;
    color: #fff;

    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;

    cursor: pointer;

    transition: background 0.15s ease;
}

button:hover {
    background: #000;
}


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

.cta {
    width: 100%;

    padding: 5rem 20px;

    background: #f1f1ee;

    border-top: 1px solid #dededb;
}

.cta-inner {
    width: min(88%, 1000px);

    margin: 0 auto;

    display: grid;

    grid-template-columns: 240px 1fr;

    gap: 4.5rem;

    align-items: center;
}


/* Photo */

.cta-photo {
    width: 220px;
    height: 220px;

    margin: 0 auto;

    border-radius: 50%;

    overflow: hidden;

    background: #ddd;
}

.cta-photo img {
    width: 100%;
    height: 100%;

    object-fit: cover;
}


/* CTA copy */

.cta-content {
    max-width: 600px;
}

.cta-content h2 {
    margin-bottom: 0.8rem;

    font-size: 1.85rem;

    line-height: 1.25;

    letter-spacing: -0.02em;
}

.cta-content p {
    margin-bottom: 1.5rem;

    color: #555;

    font-size: 1rem;
}


/* CTA button */

.cta-button {
    display: inline-block;

    padding: 0.8rem 1.5rem;

    border-radius: 3px;

    background: #d71920;
    color: #fff;

    text-decoration: none;

    font-size: 0.95rem;
    font-weight: 600;

    transition: background 0.15s ease;
}

.cta-button:hover {
    background: #b9151b;
}


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

.site-footer {
    width: 100%;

    padding: 2.5rem 20px;

    background: #202020;

    color: #999;
}

.footer-inner {
    width: min(88%, 1180px);

    margin: 0 auto;

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 2rem;
}

.footer-logo-link {
    display: block;
    flex: 0 0 105px;
    width: 105px;
}

.footer-logo {
    width: 100%;
    height: auto;
}

.footer-inner p,
.footer-inner span {
    margin: 0;

    font-size: 0.75rem;
}

.footer-inner p {
    margin-left: auto;
}


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

@media (max-width: 850px) {

    .header-inner {
        gap: 2.5rem;
    }

    .header-logo {
        flex-basis: 300px;
        width: 300px;
    }

    .tagline {
        font-size: 1.45rem;
    }

    .cta-inner {
        grid-template-columns: 200px 1fr;

        gap: 3rem;
    }

    .cta-photo {
        width: 190px;
        height: 190px;
    }
}


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

@media (max-width: 600px) {

    .site-header {
        padding: 3rem 20px;
    }

    .header-inner {
        width: 100%;

        display: block;
    }

    .header-logo {
        width: 175px;
        max-width: 85%;
        margin-bottom: 2rem;
    }
	

    .tagline {
        max-width: 100%;
        font-size: 1.35rem;
    }
	
	.coming-soon-tagline {
    width: 80vw;
    max-width: none;
	}

    /* Research intro */

    .research-intro {
        padding: 3.5rem 20px;
    }

    .research-intro-inner {
        width: 100%;
    }

    .research-intro h1 {
        font-size: 1.9rem;
    }

    .research-intro p {
        font-size: 1rem;
    }


    /* Survey */

    .survey {
        width: auto;

        padding: 4rem 20px 5rem;
    }


    /* Participant information */

    .participant-info {
        margin-bottom: 4.5rem;

        padding-bottom: 3.5rem;
    }

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

        row-gap: 1.5rem;
    }

    .section-heading {
        margin-bottom: 2rem;
    }


    /* Questions */

    .question {
        margin-bottom: 4.5rem;
    }

    .question label {
        font-size: 1.12rem;
    }

    .question textarea,
    .concept-question textarea {
        min-height: 200px;
    }


    /* Concept */

    .concept-section {
        margin-top: 5rem;

        padding-top: 3.5rem;
    }

    .concept-section h2 {
        font-size: 1.6rem;
    }


    /* Submit */

    button {
        width: 100%;

        min-height: 50px;
    }


    /* CTA */

    .cta {
        padding: 4rem 20px;
    }

    .cta-inner {
        width: 100%;

        grid-template-columns: 1fr;

        gap: 2.5rem;

        text-align: center;
    }

    .cta-content {
        margin: 0 auto;
    }

    .cta-photo {
        width: 180px;
        height: 180px;
    }

    .cta-button {
        width: 100%;

        text-align: center;
    }


    /* Footer */

    .footer-inner {
        width: 100%;

        flex-direction: column;

        align-items: flex-start;
    }

    .footer-inner p {
        margin-left: 0;
    }
}