:root {
    --blue: #004bd6;
    --blue-strong: #003eb3;
    --blue-dark: #002866;
    --navy: #061f56;
    --ink: #081f4b;
    --muted: #30476e;
    --line: #cfe0f5;
    --ice: #f2f7ff;
    --white: #ffffff;
    --shadow: 0 18px 40px rgba(4, 58, 145, 0.11);
    --container: 1130px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 140px;
}

body {
    margin: 0;
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 17px;
    line-height: 1.55;
    background: var(--white);
}

button,
input,
select,
textarea {
    font-family: Arial, Helvetica, sans-serif;
}

img,
svg {
    display: block;
}

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

.container {
    width: min(var(--container), calc(100% - 84px));
    margin: 0 auto;
}

.footer-brand a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-brand svg,
.btn svg,
.header-login svg,
.social-links svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 1px 0 rgba(0, 38, 91, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    width: min(var(--container), calc(100% - 84px));
    min-height: 140px;
    margin: 0 auto;
    padding: 0;
    gap: 24px;
}

.brand-wrap {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
}

.site-header .brand-wrap {
    transform: translateX(-76px);
}

.logo-image {
    width: 194px;
    height: 59px;
    object-fit: contain;
}

.site-header .logo-image {
    width: 388px;
    height: 118px;
}

.primary-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    margin-left: auto;
    color: var(--navy);
    font-size: 15px;
    font-weight: 800;
}

.primary-nav a {
    position: relative;
    padding: 58px 0 55px;
    white-space: nowrap;
}

.primary-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 35px;
    height: 3px;
    border-radius: 999px;
    background: var(--blue);
    transform: scaleX(0);
    transition: transform 180ms ease;
}

.primary-nav a:hover::after,
.primary-nav a.is-active::after {
    transform: scaleX(1);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 46px;
    padding: 0 26px;
    border-radius: 4px;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 900;
    white-space: nowrap;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease;
}

.btn-primary {
    color: var(--white);
    background: var(--blue);
    box-shadow: 0 12px 28px rgba(0, 75, 214, 0.23);
}

.btn-primary:hover {
    background: var(--blue-strong);
    transform: translateY(-1px);
}

.header-login {
    display: inline-flex;
    width: 46px;
    height: 46px;
    flex: 0 0 46px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 5px;
    color: var(--blue);
    background: var(--white);
    box-shadow: 0 10px 22px rgba(0, 65, 156, 0.09);
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, color 180ms ease;
}

.header-login:hover {
    color: var(--white);
    background: var(--blue);
    box-shadow: 0 12px 26px rgba(0, 75, 214, 0.2);
    transform: translateY(-1px);
}

.header-login svg {
    width: 25px;
    height: 25px;
}

.btn-outline {
    color: var(--blue);
    background: rgba(255, 255, 255, 0.78);
    border-color: var(--blue);
}

.btn-outline:hover {
    color: var(--white);
    background: var(--blue);
}

.btn-light {
    min-width: 200px;
    color: var(--blue);
    background: var(--white);
    box-shadow: 0 14px 30px rgba(0, 20, 74, 0.16);
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    margin-left: auto;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 5px;
    color: var(--blue);
    background: var(--white);
}

.nav-toggle svg {
    width: 24px;
    height: 24px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.nav-toggle .icon-close,
.site-header.is-open .nav-toggle .icon-open {
    display: none;
}

.site-header.is-open .nav-toggle .icon-close {
    display: block;
}

.hero {
    min-height: 386px;
    background: linear-gradient(90deg, #ffffff 0%, rgba(255, 255, 255, 0.96) 35%, rgba(255, 255, 255, 0.14) 71%), url("../images/hero-biotech.jpg") center right / cover no-repeat;
}

.hero-inner {
    display: flex;
    align-items: center;
    min-height: inherit;
}

.hero-copy {
    width: min(610px, 100%);
    padding: 30px 0;
}

.hero h1 {
    margin: 0 0 20px;
    color: var(--navy);
    font-size: clamp(38px, 4.1vw, 54px);
    line-height: 1.16;
    font-weight: 900;
}

.hero h1 span {
    color: var(--blue);
}

.hero p {
    width: min(545px, 100%);
    margin: 0 0 28px;
    color: #0b204d;
    font-size: 17px;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.hero-actions .btn {
    min-width: 176px;
}

.feature-strip {
    color: var(--white);
    background: linear-gradient(90deg, #0059dd 0%, #0046bb 48%, #003993 100%);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 24px;
    min-height: 110px;
    align-items: center;
}

.feature-item {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 14px;
    align-items: center;
}

.feature-icon,
.application-icon,
.sourcing-icon,
.cta-icon,
.product-title span {
    color: currentColor;
}

.feature-icon svg,
.application-icon svg,
.sourcing-icon svg,
.cta-icon svg,
.product-title svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    stroke-width: 2.2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.feature-icon {
    width: 48px;
    height: 48px;
    color: var(--white);
}

.feature-item h2 {
    margin: 0 0 5px;
    font-size: 15px;
    line-height: 1.2;
    font-weight: 900;
}

.feature-item p {
    margin: 0;
    font-size: 14px;
    line-height: 1.55;
}

.section {
    position: relative;
}

.support-section {
    padding: 42px 0 34px;
    background: var(--white);
}

.support-grid {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 40px;
    align-items: center;
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--blue);
    font-size: 14px;
    line-height: 1.2;
    font-weight: 900;
    text-transform: uppercase;
}

.support-copy h2,
.section-heading h2,
.cta-copy h2 {
    margin: 0;
    color: var(--navy);
    font-size: clamp(28px, 3vw, 36px);
    line-height: 1.15;
    font-weight: 900;
}

.support-copy h2 {
    margin-bottom: 14px;
}

.support-copy p {
    margin: 0 0 16px;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.75;
}

.check-list {
    display: grid;
    gap: 9px;
    margin: 0 0 20px;
    padding: 0;
    list-style: none;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-size: 15px;
    font-weight: 700;
}

.check-list svg {
    width: 16px;
    height: 16px;
    flex: 0 0 16px;
    color: var(--blue);
    stroke: currentColor;
    stroke-width: 2.4;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.application-panel {
    padding: 26px 30px 30px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: linear-gradient(180deg, #ffffff, #f8fbff);
}

.section-heading {
    text-align: center;
    margin-bottom: 22px;
}

.section-heading p {
    max-width: 720px;
    margin: 10px auto 0;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.7;
}

.panel-heading {
    margin-bottom: 24px;
}

.panel-heading h2 {
    color: var(--blue);
    font-size: 25px;
}

.panel-heading p {
    max-width: 570px;
    color: var(--ink);
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.application-item {
    min-width: 0;
    padding: 0 6px;
    text-align: center;
    border-left: 1px solid var(--line);
}

.application-item:first-child {
    border-left: 0;
}

.application-icon {
    width: 58px;
    height: 58px;
    margin: 0 auto 14px;
    color: var(--blue);
}

.application-item h3,
.sourcing-card h3,
.product-body h3 {
    margin: 0 0 9px;
    color: var(--blue);
    font-size: 15px;
    line-height: 1.25;
    font-weight: 900;
}

.application-item p {
    margin: 0;
    color: var(--ink);
    font-size: 14px;
    line-height: 1.6;
}

.sourcing-section {
    padding: 34px 0 30px;
    background: linear-gradient(180deg, #f6faff, #ffffff);
}

.sourcing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.sourcing-card {
    min-width: 0;
    padding: 24px 24px 23px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--white);
    box-shadow: var(--shadow);
}

.sourcing-icon {
    width: 44px;
    height: 44px;
    margin-bottom: 14px;
    color: var(--blue);
}

.sourcing-card p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.65;
}

.products-section {
    padding: 34px 0 48px;
    background: var(--white);
}

.split-heading {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 18px;
    align-items: center;
    margin-bottom: 20px;
}

.split-heading span {
    height: 1px;
    background: var(--line);
}

.split-heading .eyebrow {
    margin: 0;
    text-align: center;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.product-card {
    overflow: hidden;
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--white);
    box-shadow: 0 14px 32px rgba(0, 48, 122, 0.08);
}

.product-card img {
    width: 100%;
    aspect-ratio: 1.9;
    object-fit: cover;
}

.product-body {
    padding: 18px 18px 20px;
}

.product-title {
    display: grid;
    grid-template-columns: 24px 1fr;
    gap: 10px;
    align-items: center;
}

.product-title span {
    width: 24px;
    height: 24px;
    color: var(--blue);
}

.product-body h3 {
    margin-bottom: 0;
    color: var(--navy);
}

.product-body p {
    margin: 12px 0 12px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.62;
}

.product-body ul {
    display: grid;
    gap: 5px;
    margin: 0 0 18px;
    padding-left: 17px;
    color: var(--ink);
    font-size: 14px;
    line-height: 1.45;
}

.product-body a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--blue);
    font-size: 14px;
    font-weight: 900;
}

.product-body a svg {
    width: 17px;
    height: 17px;
}

.cta-section {
    color: var(--white);
    background: linear-gradient(90deg, rgba(0, 72, 205, 0.97), rgba(0, 37, 116, 0.97)), url("../images/cta-biotech-bg.jpg") center / cover no-repeat;
}

.cta-inner {
    display: grid;
    grid-template-columns: 68px 1fr auto;
    gap: 28px;
    align-items: center;
    min-height: 116px;
}

.cta-icon {
    width: 58px;
    height: 58px;
    color: var(--white);
}

.cta-copy h2 {
    color: var(--white);
    margin: 0 0 7px;
    font-size: 28px;
}

.cta-copy p {
    margin: 0;
    max-width: 560px;
    font-size: 16px;
    line-height: 1.55;
}

.contact-section {
    padding: 54px 0;
    background: linear-gradient(180deg, #f5f9ff 0%, #ffffff 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.86fr 1.14fr;
    gap: 42px;
    align-items: start;
}

.contact-copy {
    padding-top: 10px;
}

.contact-copy h2 {
    margin: 0 0 14px;
    color: var(--navy);
    font-size: clamp(30px, 3vw, 38px);
    line-height: 1.13;
    font-weight: 900;
}

.contact-copy p:not(.eyebrow) {
    margin: 0 0 22px;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.75;
}

.contact-lines {
    display: grid;
    gap: 12px;
}

.contact-lines a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--blue);
    font-size: 15px;
    font-weight: 900;
}

.contact-lines svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.contact-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--white);
    box-shadow: var(--shadow);
}

.form-field {
    display: grid;
    gap: 8px;
    min-width: 0;
    color: var(--navy);
    font-size: 14px;
    font-weight: 900;
}

.required-mark {
    color: var(--blue);
    font-weight: 900;
}

.form-field.full,
.contact-form .btn,
.form-status {
    grid-column: 1 / -1;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 11px 12px;
    color: var(--ink);
    font: inherit;
    background: #fbfdff;
    outline: none;
    transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.form-field textarea {
    resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    border-color: var(--blue);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(0, 75, 214, 0.12);
}

.contact-form .btn {
    width: fit-content;
    min-width: 170px;
    margin-top: 4px;
}

.form-status {
    min-height: 18px;
    margin: -4px 0 0;
    color: var(--muted);
    font-size: 14px;
}

.site-footer {
    color: var(--white);
    background: radial-gradient(circle at left top, #06408e 0%, #022d69 34%, #001c48 100%);
}

.footer-main {
    display: grid;
    grid-template-columns: 1.65fr 0.7fr 1fr 0.9fr 0.85fr 0.75fr;
    gap: 30px;
    padding: 28px 0 22px;
}

.footer-logo-link {
    display: inline-flex;
    width: 194px;
    height: 74px;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    padding: 8px 10px;
    background: var(--white);
}

.footer-logo-image {
    width: 174px;
    height: auto;
}

.footer-brand p {
    margin: 0 0 13px;
    color: rgba(255, 255, 255, 0.92);
    font-size: 14px;
    line-height: 1.45;
}

.footer-brand address {
    margin: 0 0 12px;
    color: var(--white);
    font-style: normal;
    font-size: 14px;
    line-height: 1.38;
}

.footer-brand address strong {
    display: block;
    margin-bottom: 5px;
    color: var(--white);
    font-size: 15px;
    line-height: 1.2;
    font-weight: 900;
}

.footer-brand a:not(.footer-logo-link),
.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
    line-height: 1.7;
}

.footer-brand a:not(.footer-logo-link) {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 8px;
    font-size: 14px;
    font-weight: 800;
}

.footer-brand a:not(.footer-logo-link) svg {
    width: 17px;
    height: 17px;
    flex: 0 0 17px;
}

.footer-column h2 {
    margin: 0 0 10px;
    color: var(--white);
    font-size: 13px;
    font-weight: 900;
    line-height: 1.2;
    text-transform: uppercase;
}

.footer-column a:hover,
.footer-bottom a:hover,
.footer-brand a:not(.footer-logo-link):hover {
    color: var(--white);
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 12px;
}

.social-links a {
    display: inline-flex;
    width: 24px;
    height: 24px;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.86);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.17);
}

.footer-bottom .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 40px;
}

.footer-bottom p,
.footer-bottom a {
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: 13px;
}

@media (max-width: 1180px) {
    .container,
    .header-inner {
        width: min(var(--container), calc(100% - 56px));
    }

    .primary-nav {
        gap: 16px;
        font-size: 15px;
    }

    .feature-grid {
        gap: 16px;
    }

    .feature-item {
        grid-template-columns: 42px 1fr;
        gap: 11px;
    }

    .feature-icon {
        width: 42px;
        height: 42px;
    }
}

@media (max-width: 1320px) {
    html {
        scroll-padding-top: 140px;
    }

    .header-inner {
        min-height: 140px;
        width: min(var(--container), calc(100% - 48px));
        padding: 0;
    }

    .site-header .brand-wrap {
        transform: none;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .primary-nav {
        position: absolute;
        left: 24px;
        right: 24px;
        top: calc(100% + 8px);
        display: grid;
        gap: 0;
        font-size: 15px;
        padding: 12px;
        border: 1px solid var(--line);
        border-radius: 6px;
        background: var(--white);
        box-shadow: var(--shadow);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-8px);
        transition: opacity 180ms ease, transform 180ms ease;
    }

    .site-header.is-open .primary-nav {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .primary-nav a {
        padding: 13px 10px;
    }

    .primary-nav a::after {
        left: 10px;
        right: auto;
        bottom: 7px;
        width: 42px;
    }

    .hero {
        min-height: 490px;
        background-position: 63% center;
    }

    .hero-copy {
        max-width: 550px;
    }

    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        padding: 22px 0;
    }

    .support-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .application-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 22px;
    }

    .application-item {
        border-left: 0;
    }

    .sourcing-grid,
    .product-grid,
    .contact-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .contact-grid {
        gap: 28px;
    }

    .cta-inner {
        grid-template-columns: 58px 1fr;
        padding: 24px 0;
    }

    .cta-inner .btn {
        grid-column: 2;
        justify-self: start;
    }

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

@media (max-width: 720px) {
    .container {
        width: min(var(--container), calc(100% - 36px));
    }

    .header-inner {
        width: min(var(--container), calc(100% - 36px));
        min-height: 104px;
        padding: 0;
        gap: 16px;
    }

    .site-header .logo-image {
        width: 240px;
        height: auto;
    }

    .primary-nav {
        left: 18px;
        right: 18px;
    }

    .hero {
        min-height: 610px;
        background-position: 68% center;
    }

    .hero-inner {
        align-items: flex-start;
    }

    .hero-copy {
        padding-top: 54px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        max-width: 345px;
        font-size: 15px;
        line-height: 1.65;
    }

    .hero-actions {
        max-width: 345px;
    }

    .hero-actions .btn {
        flex: 1 1 155px;
        padding: 0 14px;
    }

    .feature-grid,
    .application-grid,
    .sourcing-grid,
    .product-grid,
    .contact-grid,
    .footer-main {
        grid-template-columns: 1fr;
    }

    .support-section,
    .sourcing-section,
    .products-section,
    .contact-section {
        padding: 38px 0;
    }

    .contact-form {
        grid-template-columns: 1fr;
        padding: 22px 18px;
    }

    .contact-form .btn {
        width: 100%;
    }

    .section-heading,
    .split-heading {
        text-align: left;
    }

    .split-heading {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .split-heading span {
        display: none;
    }

    .application-panel {
        padding: 24px 18px;
    }

    .product-card img {
        aspect-ratio: 2.1;
    }

    .cta-inner {
        grid-template-columns: 1fr;
        gap: 14px;
        min-height: 0;
    }

    .cta-inner .btn {
        grid-column: auto;
    }

    .footer-main {
        gap: 26px;
        padding: 34px 0 28px;
    }

    .footer-bottom .container {
        min-height: 54px;
        align-items: flex-start;
        justify-content: center;
        flex-direction: column;
        gap: 6px;
    }
}

@media (max-width: 420px) {
    .site-header .logo-image {
        width: 208px;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero {
        min-height: 650px;
        background-position: 73% center;
    }

    .btn {
        width: 100%;
    }
}