:root {
    --fysiologic-blue: #18388d;
    --health-blue: #0c6fff;
    --bold-yellow: #fffe86;
    --white: #ffffff;
    --black-sand: #1d2225;
    --fysiologic-green: #90b260;
    --seamless: #dbdbdb;
    --sand: #fff9f2;
    --helpful: #ff874f;
    --edgy: #eb4946;
    --patient: #f6c6cb;

    --container: 1160px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-sm: none;
    --shadow-md: none;
}

/* Color logic:
   1) Primary guidance and actions use blue.
   2) Content containers stay white/sand for clarity.
   3) Secondary colors are reserved for small accents only. */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--black-sand);
    background: var(--sand);
    line-height: 1.6;
}

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

a {
    color: inherit;
    text-decoration: none;
}

h1,
h2,
h3 {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
}

p {
    margin: 0;
}

section[id] {
    scroll-margin-top: 130px;
}

.layout-container {
    width: min(var(--container), calc(100% - 2rem));
    margin: 0 auto;
}

/* Reusable spacing primitives for component assembly. */
.stack {
    display: flex;
    flex-direction: column;
}

.stack--md {
    gap: 1rem;
}

.stack--lg {
    gap: 1.5rem;
}

.section {
    position: relative;
    overflow: hidden;
    padding: clamp(3.5rem, 6vw, 6rem) 0;
    background: var(--white);
}

.section--muted {
    background: var(--sand);
}

#services,
#trust {
    background: var(--sand);
}

#workflow,
#contact {
    background: var(--white);
}

.section--hero {
    padding-top: clamp(6rem, 9vw, 8rem);
}

.section--hero::before,
.section--hero::after {
    content: none;
}

.section__header {
    max-width: 760px;
}

.section__header--center {
    margin-inline: auto;
    text-align: center;
}

.section__kicker {
    margin-bottom: 0.75rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    color: var(--health-blue);
}

.section__title {
    font-size: clamp(1.85rem, 4.8vw, 2.8rem);
    line-height: 1.2;
}

.section__title--hero {
    font-size: clamp(2.3rem, 6vw, 3.9rem);
}

.section__lead {
    font-size: 1.05rem;
    color: var(--black-sand);
}

/* Sticky top bar with high contrast and solid fills only. */
.top-nav {
    position: sticky;
    top: 0;
    z-index: 30;
    background: var(--white);
    border-bottom: 2px solid var(--seamless);
}

.top-nav__row {
    min-height: 82px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    margin-right: auto;
}

.brand img {
    width: auto;
    height: 48px;
}

.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    border: 2px solid var(--fysiologic-blue);
    border-radius: 12px;
    background: var(--white);
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex-direction: column;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--fysiologic-blue);
    border-radius: 2px;
}

.top-nav__menu {
    display: flex;
}

.top-nav__list {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.top-nav__link,
.top-nav__utility-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.93rem;
    font-weight: 600;
    color: var(--black-sand);
    transition: transform 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.top-nav__link:hover,
.top-nav__utility-link:hover {
    background: var(--sand);
    border-color: var(--fysiologic-blue);
    transform: translateY(-1px);
}

.top-nav__link.is-active {
    background: var(--bold-yellow);
    border-color: var(--fysiologic-blue);
    color: var(--fysiologic-blue);
}

.top-nav__actions {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-left: 0.5rem;
}

.language-switcher {
    border: 2px solid var(--health-blue);
    border-radius: 999px;
    height: 40px;
    padding: 0 0.9rem;
    background: var(--white);
    font-weight: 600;
    color: var(--fysiologic-blue);
}

.hero {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: center;
}

.hero__content {
    background: var(--white);
    border: 2px solid var(--fysiologic-blue);
    border-radius: var(--radius-lg);
    padding: clamp(1rem, 2vw, 1.5rem);
}

.hero__media img,
.split__media img {
    border-radius: var(--radius-lg);
    border: 3px solid var(--health-blue);
    box-shadow: var(--shadow-md);
    aspect-ratio: 4 / 3;
    object-fit: cover;
    background: var(--white);
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    padding: 0.65rem 1.1rem;
    font-weight: 700;
    border: 2px solid transparent;
    transition: transform 0.15s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn--primary {
    background: var(--fysiologic-blue);
    border-color: var(--fysiologic-blue);
    color: var(--white);
}

.btn--ghost {
    background: var(--white);
    border-color: var(--fysiologic-blue);
    color: var(--fysiologic-blue);
}

/* Card system used by workflow, services, and trust blocks. */
.card-grid {
    display: grid;
    gap: 1rem;
}

.card-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* Card variants communicate section context using one accent strip color.
   This keeps hierarchy clear without introducing noisy background fills. */
.card {
    position: relative;
    background: var(--white);
    border: 2px solid var(--seamless);
    border-top-width: 6px;
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
}

.card::before {
    content: none;
}

.card__title {
    font-family: 'Inter', sans-serif;
    font-size: 1.05rem;
    margin-bottom: 0.6rem;
}

.card__body {
    color: var(--black-sand);
    font-size: 0.98rem;
}

.card--workflow {
    border-top-color: var(--health-blue);
}

.card--service {
    border-top-color: var(--fysiologic-blue);
}

.card--trust {
    border-top-color: var(--fysiologic-green);
}

.card--clickable {
    display: block;
    transition: border-color 0.15s ease, transform 0.15s ease;
}

.card--clickable:hover,
.card--clickable:focus-visible {
    border-color: var(--fysiologic-blue);
    transform: translateY(-1px);
    outline: none;
}

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: center;
}

.split--media-right .split__content {
    order: 1;
}

.split--media-right .split__media {
    order: 2;
}

.split__content {
    background: var(--white);
    border: 2px solid var(--seamless);
    border-radius: var(--radius-lg);
    padding: clamp(1rem, 2vw, 1.4rem);
}

.bullet-list {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--black-sand);
    display: grid;
    gap: 0.35rem;
}

.rich-copy {
    color: var(--black-sand);
    display: grid;
    gap: 0.6rem;
}

.detail-block {
    border: 2px solid var(--seamless);
    border-radius: var(--radius-lg);
    background: var(--white);
    padding: 1.1rem;
}

.detail-block__title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    margin-bottom: 0.5rem;
}

.detail-block__lead {
    margin-bottom: 1rem;
}

.detail-grid {
    display: grid;
    gap: 0.9rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* Detail panel accents repeat predictably so color meaning stays consistent
   as panel counts change per locale. */
.detail-panel {
    background: var(--white);
    border: 2px solid var(--seamless);
    border-left-width: 8px;
    border-radius: 12px;
    padding: 0.95rem;
}

.detail-panel:nth-child(4n + 1) {
    border-left-color: var(--fysiologic-blue);
}

.detail-panel:nth-child(4n + 2) {
    border-left-color: var(--health-blue);
}

.detail-panel:nth-child(4n + 3) {
    border-left-color: var(--fysiologic-green);
}

.detail-panel:nth-child(4n + 4) {
    border-left-color: var(--health-blue);
}

.detail-panel__title {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    margin-bottom: 0.35rem;
}

.detail-panel__body {
    font-size: 0.96rem;
}

.stats-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat-card {
    background: var(--white);
    border: 2px solid var(--black-sand);
    border-radius: var(--radius-md);
    padding: 1.1rem;
}

.stat-card:nth-child(1) {
    background: var(--bold-yellow);
}

.stat-card:nth-child(2) {
    background: var(--patient);
}

.stat-card:nth-child(3) {
    background: #e6f0ff;
}

.stat-card__label {
    color: var(--black-sand);
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
}

.stat-card__value {
    font-family: 'Poppins', sans-serif;
    font-size: 1.9rem;
    line-height: 1.1;
    color: var(--fysiologic-blue);
}

.stats-meta {
    color: var(--black-sand);
    font-size: 0.92rem;
}

.contact-list {
    display: grid;
    gap: 0.55rem;
}

.contact-list a {
    color: var(--fysiologic-blue);
    font-weight: 700;
}

.contact-form {
    display: grid;
    gap: 0.5rem;
    margin-top: 0.6rem;
    margin-bottom: 0.6rem;
}

.contact-form__label {
    font-size: 0.86rem;
    font-weight: 600;
}

.contact-form__input,
.contact-form__textarea {
    width: 100%;
    border: 2px solid var(--seamless);
    border-radius: 10px;
    padding: 0.65rem 0.75rem;
    font: inherit;
    color: var(--black-sand);
    background: var(--white);
}

.contact-form__input:focus,
.contact-form__textarea:focus {
    outline: none;
    border-color: var(--health-blue);
}

.contact-form__textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form__note {
    font-size: 0.82rem;
    color: #4b5564;
}

/* Footer matches production information architecture: brand, contact,
   offices, certifications, and legal in one responsive block. */
.site-footer {
    padding: 2.25rem 0;
    border-top: 2px solid var(--black-sand);
    background: var(--black-sand);
    color: var(--white);
}

.site-footer__content {
    display: grid;
    gap: 1rem;
    grid-template-columns: 1.1fr 0.8fr 1fr auto;
    align-items: start;
}

.site-footer__brand p {
    margin-top: 0.5rem;
    color: #e7eaf0;
    font-size: 0.95rem;
}

.site-footer__contact {
    display: grid;
    gap: 0.25rem;
}

.site-footer__addresses {
    display: grid;
    gap: 0.55rem;
}

.site-footer__heading {
    margin: 0;
    color: #cdd6e3;
    font-size: 0.88rem;
    font-weight: 600;
}

.site-footer__contact a {
    color: var(--white);
    font-weight: 600;
    font-size: 0.95rem;
}

.site-footer__hint {
    margin: 0;
    color: #cdd6e3;
    font-size: 0.84rem;
}

.site-footer__certs {
    display: flex;
    gap: 0.55rem;
    align-items: flex-start;
}

.site-footer__certs a {
    display: inline-flex;
    border: 1px solid #d9dee7;
    border-radius: 10px;
    padding: 0.35rem;
    background: var(--white);
}

.site-footer__certs img {
    width: 104px;
    height: auto;
}

.site-footer__legal {
    grid-column: 1 / -1;
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid #394256;
    color: #c6cfdd;
    font-size: 0.85rem;
}

.site-footer__address {
    margin: 0;
    color: #e7eaf0;
    font-size: 0.88rem;
    font-style: normal;
    line-height: 1.45;
}

.site-footer__address strong {
    display: block;
    color: var(--white);
    margin-bottom: 0.15rem;
}

.site-footer__logo {
    width: auto;
    height: 38px;
    filter: brightness(0) invert(1);
}

.reveal-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.reveal-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
    padding: 0;
    margin: -1px;
}

@media (max-width: 1080px) {
    .top-nav__link,
    .top-nav__utility-link {
        font-size: 0.87rem;
        padding: 0.4rem 0.58rem;
    }
}

@media (max-width: 920px) {
    .menu-toggle {
        display: inline-flex;
    }

    .top-nav__actions {
        margin-left: 0;
    }

    .top-nav__menu {
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        background: var(--white);
        border-bottom: 2px solid var(--seamless);
        padding: 0.8rem 1rem 1rem;
        display: none;
    }

    .top-nav__menu.is-open {
        display: block;
    }

    .top-nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 0.35rem;
    }

    .top-nav__link,
    .top-nav__utility-link {
        display: block;
        border-radius: 10px;
        padding: 0.65rem 0.8rem;
    }

    .hero,
    .split,
    .card-grid--3,
    .stats-grid,
    .detail-grid {
        grid-template-columns: 1fr;
    }

    .brand img {
        height: 44px;
    }

    .section--hero::before,
    .section--hero::after {
        display: none;
    }
}

@media (max-width: 640px) {
    .top-nav__actions .btn {
        display: none;
    }

    .site-footer__content {
        grid-template-columns: 1fr;
        align-items: flex-start;
    }

    .site-footer__legal {
        margin-top: 0.2rem;
    }

    .site-footer__certs img {
        width: 88px;
    }
}