html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-warm-paper);
    color: var(--color-bach-black);
    font-family: var(--font-body);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-regular);
    letter-spacing: var(--letter-spacing-body);
    line-height: var(--line-height-body);
    margin: 0;
}

.c-skip-link {
    background-color: var(--color-bach-black);
    border: 1px solid var(--color-warm-paper);
    color: var(--color-warm-paper);
    padding: var(--space-quarter) var(--space-half);
    text-decoration: none;
    transition: transform 180ms ease;
}

.c-skip-link:focus-visible {
    outline: 3px solid var(--color-bach-blue);
    outline-offset: 3px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    margin: 0;
}

h1 {
    font-size: var(--font-size-h1);
    font-weight: var(--font-weight-bold);
    letter-spacing: var(--letter-spacing-h1);
    line-height: var(--line-height-h1);
}

h2 {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-h2);
    line-height: var(--line-height-h2);
}

h3 {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-h3);
    line-height: var(--line-height-h3);
}

h4 {
    font-size: var(--font-size-h4);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-h4);
    line-height: var(--line-height-h4);
}

h5 {
    font-size: var(--font-size-h5);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-h5);
    line-height: var(--line-height-h5);
}

h6 {
    font-size: var(--font-size-h6);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-h6);
    line-height: var(--line-height-h6);
}

p {
    font-family: var(--font-body);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-regular);
    letter-spacing: var(--letter-spacing-body);
    line-height: var(--line-height-body);
}

span,
em,
strong {
    font-family: inherit;
    font-size: inherit;
}

strong {
    font-weight: var(--font-weight-bold);
}

a,
button,
label {
    font-family: var(--font-body);
    font-size: var(--font-size-ui);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-ui);
    line-height: var(--line-height-ui);
}

small {
    font-family: var(--font-body);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-small);
}

code,
pre,
kbd,
samp {
    font-family: var(--font-mono);
    font-size: var(--font-size-technical);
    font-weight: var(--font-weight-regular);
    letter-spacing: var(--letter-spacing-technical);
    line-height: var(--line-height-technical);
}

.c-navbar {
    border: 1px solid var(--color-mist-grey);
    background-color: var(--color-warm-paper);
}

.c-navbar__links {
    gap: var(--space-1);
}

.c-navbar__brand {
    text-decoration: none;
}

.c-navbar__link {
    color: var(--color-graphite);
    text-decoration-color: transparent;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.3em;
}

.c-navbar__link:hover,
.c-navbar__link:focus-visible,
.c-navbar__link[aria-current="page"] {
    color: var(--color-bach-black);
    text-decoration-color: var(--color-bach-blue);
}

.c-navbar__brand[href]:focus-visible,
.c-navbar__link:focus-visible {
    outline: 3px solid var(--color-bach-blue);
    outline-offset: 3px;
}

.c-social-link {
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: 0;
    text-decoration: none;
    transition:
        background-color 180ms ease,
        border-color 180ms ease,
        border-radius 220ms ease,
        transform 180ms ease;
}

.c-social-link:hover {
    background-color: rgba(61, 127, 148, 0.12);
    border-color: var(--color-bach-blue);
    border-radius: 50%;
    transform: scale(1.08);
}

.c-social-link:focus-visible {
    outline: 3px solid var(--color-bach-blue);
    outline-offset: 3px;
}

.c-social-link:active {
    transform: scale(1.02);
}

a.o-button {
    text-decoration: none;
}

.c-button--primary {
    background-color: var(--color-bach-black);
    background-image: none;
    border: 1px solid transparent;
    border-radius: 0;
    color: var(--color-warm-paper);
    transition: border-color 250ms ease, border-radius 250ms ease;
}

.c-button--primary:hover {
    animation: button-gradient-right-to-left 3s linear infinite;
    background-color: var(--color-bach-black);
    background-image: linear-gradient(
        90deg,
        var(--color-bach-black) 0%,
        var(--color-graphite) 50%,
        var(--color-bach-black) 100%
    );
    background-size: 200% 100%;
    border-color: var(--color-bach-blue);
    border-radius: 21px;
    color: var(--color-warm-paper);
}

.c-button--secondary {
    background-color: var(--color-warm-paper);
    background-image: none;
    border: 1px solid var(--color-graphite);
    border-radius: 0;
    color: var(--color-bach-black);
    transition: border-color 250ms ease, border-radius 250ms ease;
}

.c-navbar__mobile-contact {
    text-decoration: none;
}

.c-navbar__action .o-button {
    text-decoration: none;
}

.c-button--secondary:hover {
    animation: button-gradient-right-to-left 3s linear infinite;
    background-color: var(--color-warm-paper);
    background-image: linear-gradient(
        90deg,
        var(--color-warm-paper) 0%,
        var(--color-mist-grey) 50%,
        var(--color-warm-paper) 100%
    );
    background-size: 200% 100%;
    border-color: var(--color-bach-blue);
    border-radius: 21px;
    color: var(--color-bach-black);
}

.c-hero-media-toggle,
.c-work-band__toggle {
    appearance: none;
    background-color: transparent;
    border: 0;
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
}

.c-video-toggle__icon {
    opacity: 0;
    transform: scale(0.9);
    transition:
        filter 180ms ease,
        opacity 140ms ease,
        transform 180ms ease;
}

.c-hero-media-toggle[data-state="paused"] .c-video-toggle__icon--play,
.c-hero-media-toggle[data-state="playing"] .c-video-toggle__icon--pause,
.c-work-band__toggle[data-state="paused"] .c-video-toggle__icon--play,
.c-work-band__toggle[data-state="playing"] .c-video-toggle__icon--pause {
    opacity: 1;
    transform: scale(1);
}

.c-hero-media-toggle:hover .c-video-toggle__icon,
.c-work-band__toggle:hover .c-video-toggle__icon {
    filter: drop-shadow(0 0.25rem 0.4rem rgba(12, 15, 20, 0.28));
    transform: scale(1.12);
}

.c-hero-media-toggle:focus-visible,
.c-work-band__toggle:focus-visible {
    outline: 3px solid var(--color-bach-blue);
    outline-offset: 3px;
}

.c-hero-media-toggle:disabled {
    cursor: default;
    opacity: 0.7;
}

.o-button:focus-visible {
    outline: 3px solid var(--color-bach-blue);
    outline-offset: 3px;
}

@keyframes button-gradient-right-to-left {
    from {
        background-position: 100% 50%;
    }

    to {
        background-position: -100% 50%;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .c-button--primary,
    .c-button--secondary,
    .c-hero-media-toggle,
    .c-video-toggle__icon,
    .c-skip-link {
        transition: none;
    }

    .c-button--primary:hover,
    .c-button--secondary:hover {
        animation: none;
        background-position: 50% 50%;
    }
}

@media (max-width: 768px) {
    .c-navbar__toggle {
        background: transparent;
    }

    .c-navbar__toggle:focus-visible {
        outline: 3px solid var(--color-bach-blue);
        outline-offset: 3px;
    }

    .c-navbar__toggle-bar {
        background-color: var(--color-bach-blue);
    }

    .c-navbar__menu {
        background-color: var(--color-warm-paper);
        transition: opacity 250ms ease, visibility 0s linear 250ms;
    }

    .c-navbar.is-open .c-navbar__menu {
        transition-delay: 0s;
    }

    .c-navbar__link {
        font-family: var(--font-display);
        font-size: clamp(1.7rem, 8vw, 2rem);
        font-weight: var(--font-weight-medium);
        letter-spacing: var(--letter-spacing-h5);
        line-height: var(--line-height-h5);
    }

    .c-navbar.is-open:not(.is-opening):not(.is-closing) .c-navbar__toggle-bar--top {
        transform: translate(-50%, 0) rotate(45deg);
    }

    .c-navbar.is-open:not(.is-opening):not(.is-closing) .c-navbar__toggle-bar--middle {
        opacity: 0;
        transform: translate(-50%, 0) scaleX(0);
    }

    .c-navbar.is-open:not(.is-opening):not(.is-closing) .c-navbar__toggle-bar--bottom {
        transform: translate(-50%, 0) rotate(-45deg);
    }

    .c-navbar.is-opening .c-navbar__toggle-bar--top {
        animation: navbar-bar-top 600ms ease-in-out forwards;
    }

    .c-navbar.is-opening .c-navbar__toggle-bar--middle {
        animation: navbar-bar-middle 600ms ease-in-out forwards;
    }

    .c-navbar.is-opening .c-navbar__toggle-bar--bottom {
        animation: navbar-bar-bottom 600ms ease-in-out forwards;
    }

    .c-navbar.is-closing .c-navbar__toggle-bar--top {
        animation: navbar-bar-top 600ms ease-in-out reverse;
    }

    .c-navbar.is-closing .c-navbar__toggle-bar--middle {
        animation: navbar-bar-middle 600ms ease-in-out reverse;
    }

    .c-navbar.is-closing .c-navbar__toggle-bar--bottom {
        animation: navbar-bar-bottom 600ms ease-in-out reverse;
    }
}

@keyframes navbar-bar-top {
    0%,
    25% {
        background-color: var(--color-bach-blue);
        transform: translate(-50%, -0.6rem) rotate(0);
    }

    50%,
    70% {
        background-color: var(--color-mist-grey);
        transform: translate(-50%, 0) rotate(0);
    }

    100% {
        background-color: var(--color-bach-blue);
        transform: translate(-50%, 0) rotate(45deg);
    }
}

@keyframes navbar-bar-middle {
    0% {
        background-color: var(--color-bach-blue);
        opacity: 1;
        transform: translate(-50%, 0) scaleX(1);
    }

    25% {
        background-color: var(--color-mist-grey);
        opacity: 1;
        transform: translate(-50%, 0) scaleX(1);
    }

    50% {
        background-color: var(--color-bach-blue);
        opacity: 1;
        transform: translate(-50%, 0) scaleX(1);
    }

    75%,
    100% {
        background-color: var(--color-bach-blue);
        opacity: 0;
        transform: translate(-50%, 0) scaleX(0);
    }
}

@keyframes navbar-bar-bottom {
    0%,
    25% {
        background-color: var(--color-bach-blue);
        transform: translate(-50%, 0.6rem) rotate(0);
    }

    50%,
    70% {
        background-color: var(--color-mist-grey);
        transform: translate(-50%, 0) rotate(0);
    }

    100% {
        background-color: var(--color-bach-blue);
        transform: translate(-50%, 0) rotate(-45deg);
    }
}

@media (prefers-reduced-motion: reduce) and (max-width: 768px) {
    .c-navbar__menu {
        transition: none;
    }

    .c-navbar.is-opening .c-navbar__toggle-bar,
    .c-navbar.is-closing .c-navbar__toggle-bar {
        animation: none;
    }
}

.c-hero__eyebrow,
.c-problem__eyebrow {
    color: var(--color-graphite);
    font-family: var(--font-mono);
    font-size: var(--font-size-technical);
    font-weight: var(--font-weight-regular);
    letter-spacing: var(--letter-spacing-technical);
    line-height: var(--line-height-technical);
    margin: 0;
}

.c-problem__copy p,
.c-problem-card__copy {
    color: var(--color-graphite);
    margin: 0;
}

.c-problem-card {
    border-top: 1px solid var(--color-mist-grey);
}

.c-problem-card__title {
    font-size: var(--font-size-h5);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-h5);
    line-height: var(--line-height-h5);
}

.c-services__eyebrow,
.c-service-row__number,
.c-service-row__discipline,
.c-service-support__label {
    font-family: var(--font-mono);
    font-size: var(--font-size-technical);
    font-weight: var(--font-weight-regular);
    letter-spacing: var(--letter-spacing-technical);
    line-height: var(--line-height-technical);
}

.c-services__eyebrow {
    color: var(--color-graphite);
    margin: 0;
}

.c-services__copy,
.c-service-row__number,
.c-service-row__discipline,
.c-service-row__description {
    margin: 0;
}

.c-services__copy,
.c-service-row__description,
.c-service-row__list {
    color: var(--color-graphite);
}

.c-service-row {
    border-top: 1px solid var(--color-mist-grey);
    transition: border-color 180ms ease;
}

.c-service-row:last-child {
    border-bottom: 1px solid var(--color-mist-grey);
}

.c-service-row__number {
    color: var(--color-graphite);
    transition: color 180ms ease;
}

.c-service-row__discipline {
    color: var(--color-graphite);
}

.c-service-row__title {
    font-size: var(--font-size-h4);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-h4);
    line-height: var(--line-height-h4);
}

.c-service-row__list,
.c-service-support__list {
    font-family: var(--font-body);
    font-size: var(--font-size-small);
    line-height: var(--line-height-small);
}

.c-service-row__link {
    color: var(--color-graphite);
    text-decoration-color: transparent;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.3em;
    transition: color 180ms ease, text-decoration-color 180ms ease;
}

.c-service-row__arrow {
    display: inline-block;
    transition: transform 180ms ease;
}

.c-service-row:hover,
.c-service-row:focus-within {
    border-color: var(--color-graphite);
}

.c-service-row:hover .c-service-row__number,
.c-service-row:focus-within .c-service-row__number {
    color: var(--color-graphite);
}

.c-service-row:hover .c-service-row__arrow,
.c-service-row:focus-within .c-service-row__arrow {
    transform: translateX(var(--space-quarter));
}

.c-service-row__link:hover,
.c-service-row__link:focus-visible {
    text-decoration-color: currentColor;
}

.c-service-row__link:focus-visible,
.c-service-row__toggle:focus-visible {
    outline: 3px solid var(--color-bach-blue);
    outline-offset: 4px;
}

.c-service-row__toggle {
    background: transparent;
    border: 1px solid var(--color-graphite);
    color: var(--color-graphite);
    cursor: pointer;
    padding: 0;
}

.c-service-row__toggle:hover {
    border-color: var(--color-bach-blue);
    color: var(--color-bach-blue);
}

.c-service-row__toggle-icon {
    display: block;
    height: 1rem;
    position: relative;
    width: 1rem;
}

.c-service-row__toggle-icon::before,
.c-service-row__toggle-icon::after {
    background-color: currentColor;
    content: "";
    left: 50%;
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    transition: transform 180ms ease;
}

.c-service-row__toggle-icon::before {
    height: 1px;
    width: 1rem;
}

.c-service-row__toggle-icon::after {
    height: 1rem;
    width: 1px;
}

.c-service-row__toggle[aria-expanded="true"] .c-service-row__toggle-icon::after {
    transform: translate(-50%, -50%) scaleY(0);
}

.c-service-support {
    background-color: var(--color-bach-black);
    color: var(--color-warm-paper);
}

.c-service-support__title {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-h3);
    line-height: var(--line-height-h3);
}

.c-service-support__copy,
.c-service-support__label {
    margin: 0;
}

.c-service-support__label {
    color: var(--color-mist-grey);
}

.c-service-support__list li {
    border-top: 1px solid var(--color-graphite);
    padding-top: var(--space-quarter);
}

.c-service-support__cta {
    border-color: var(--color-warm-paper);
}

.c-work-teaser__copy {
    color: var(--color-graphite);
    margin: 0;
}

.c-work-band,
.c-work-band__video {
    background-color: var(--color-warm-paper);
}

.c-footer {
    background-color: var(--color-bach-black);
    color: var(--color-warm-paper);
}

.c-footer__inner {
    border-top: 1px solid var(--color-graphite);
}

.c-footer__meta {
    font-family: var(--font-mono);
    font-size: var(--font-size-technical);
    letter-spacing: var(--letter-spacing-technical);
    line-height: var(--line-height-technical);
    margin: 0;
}

.c-footer__contact {
    font-style: normal;
}

.c-footer__email {
    color: var(--color-warm-paper);
    font-family: var(--font-display);
    font-size: var(--font-size-h5);
    font-weight: var(--font-weight-medium);
    letter-spacing: var(--letter-spacing-h5);
    line-height: var(--line-height-h5);
    text-decoration-color: transparent;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.3em;
    transition: text-decoration-color 200ms ease;
}

.c-footer__email:hover {
    text-decoration-color: var(--color-bach-blue);
}

.c-footer__email:focus-visible {
    outline: 3px solid var(--color-bach-blue);
    outline-offset: 4px;
    text-decoration-color: var(--color-bach-blue);
}

.c-footer__locations {
    font-family: var(--font-body);
    font-size: var(--font-size-small);
    line-height: var(--line-height-small);
}

.u-liquid-glass {
    -webkit-backdrop-filter: blur(8px) saturate(108%);
    backdrop-filter: blur(8px) saturate(108%);
    background-color: rgba(242, 239, 233, 0.62);
    border: 1px solid rgba(242, 239, 233, 0.72);
    border-radius: 0;
}

@media (prefers-reduced-motion: reduce) {
    .c-service-row,
    .c-service-row__number,
    .c-service-row__link,
    .c-service-row__arrow,
    .c-service-row__toggle-icon::before,
    .c-service-row__toggle-icon::after,
    .c-footer__email,
    .c-social-link {
        transition: none;
    }

    .c-service-row:hover .c-service-row__arrow,
    .c-service-row:focus-within .c-service-row__arrow {
        transform: none;
    }

    .c-social-link:hover,
    .c-social-link:active {
        transform: none;
    }
}

@supports (background-color: color-mix(in srgb, white 50%, transparent)) {
    .u-liquid-glass {
        background-color: color-mix(
            in srgb,
            var(--color-warm-paper) 62%,
            transparent
        );
        border-color: color-mix(
            in srgb,
            var(--color-warm-paper) 72%,
            transparent
        );
    }
}

/* Temporary hero glass study: remove hero_glass_test from the hero to compare. */
.hero_glass_test__filters {
    height: 0;
    overflow: hidden;
    pointer-events: none;
    position: absolute;
    width: 0;
}

.hero_glass_test {
    -webkit-backdrop-filter: blur(14px) saturate(118%) contrast(102%);
    backdrop-filter: blur(14px) saturate(118%) contrast(102%);
    background:
        linear-gradient(
            135deg,
            rgba(255, 255, 255, 0.34) 0%,
            rgba(255, 255, 255, 0.08) 42%,
            rgba(242, 239, 233, 0.16) 100%
        ),
        rgba(242, 239, 233, 0.48);
    border-color: rgba(255, 255, 255, 0.68);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.72),
        inset 0 -1px 0 rgba(16, 24, 32, 0.08),
        0 18px 50px rgba(16, 24, 32, 0.14);
    isolation: isolate;
    overflow: hidden;
    position: relative;
}

.hero_glass_test::after {
    background-color: rgba(255, 255, 255, 0.01);
    content: "";
    filter: url("#hero-glass-test-noise");
    inset: 0;
    mix-blend-mode: soft-light;
    opacity: 0.07;
    pointer-events: none;
    position: absolute;
    z-index: 0;
}

.hero_glass_test > * {
    position: relative;
    z-index: 1;
}