:root {
    --red: #d71920;
    --black: #070a0d;
    --charcoal: #11171d;
    --grey: #66717b;
    --soft: #f3f5f6;
    --border: #dde2e6;
    --white: #fff
}

.msb-eyebrow,
.msb-kicker,
.msb-card-label {
    margin: 0 0 .8rem;
    color: var(--red);
    font-size: .78rem;
    font-weight: 900;
    letter-spacing: .15em;
    text-transform: uppercase
}

.msb-hero {
    position: relative;
    min-height: 720px;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: #fff;
    background: var(--black)
}

.msb-hero__media,
.msb-hero__overlay {
    position: absolute;
    inset: 0
}

.msb-hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.msb-hero__overlay {
    background: linear-gradient(90deg, rgba(3, 7, 10, .97) 0%, rgba(3, 7, 10, .88) 43%, rgba(3, 7, 10, .18) 78%), linear-gradient(0deg, rgba(3, 7, 10, .55), transparent 45%)
}

.msb-hero__content {
    position: relative;
    z-index: 2;
    max-width: 940px;
    padding-top: 8rem;
    padding-bottom: 8rem
}

.msb-hero h1 {
    max-width: 930px;
    margin-bottom: 1.4rem;
    font-size: clamp(3rem, 6.7vw, 6.4rem);
    line-height: .94;
    letter-spacing: -.055em
}

.msb-hero__lead {
    max-width: 760px;
    margin-bottom: 2.2rem;
    color: rgba(255, 255, 255, .86);
    font-size: clamp(1.08rem, 2vw, 1.36rem);
    line-height: 1.65
}

.msb-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .85rem
}

.button-outline-light {
    border: 1px solid rgba(255, 255, 255, .75);
    color: #fff;
    background: transparent
}

.button-outline-light:hover {
    color: #111;
    background: #fff
}

.msb-trust {
    border-bottom: 1px solid var(--border);
    background: #fff
}

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

.msb-trust__grid>div {
    min-height: 135px;
    padding: 1.7rem 1.5rem;
    border-right: 1px solid var(--border)
}

.msb-trust__grid>div:first-child {
    border-left: 1px solid var(--border)
}

.msb-trust strong,
.msb-trust span {
    display: block
}

.msb-trust strong {
    margin-bottom: .35rem;
    color: var(--charcoal);
    font-size: 1.05rem
}

.msb-trust span {
    color: var(--grey);
    font-size: .9rem;
    line-height: 1.5
}

.msb-section {
    padding: clamp(4.5rem, 8vw, 8rem) 0
}

.msb-section--soft {
    background: var(--soft)
}

.msb-section--dark {
    color: #fff;
    background: var(--black)
}

.msb-section--proof {
    color: #fff;
    background: #080d12
}

.msb-heading {
    max-width: 850px;
    margin-bottom: 3rem
}

.msb-heading--light p {
    color: rgba(255, 255, 255, .72)
}

.msb-section h2,
.msb-final-cta h2 {
    margin-bottom: 1rem;
    font-size: clamp(2.25rem, 4.7vw, 4.5rem);
    line-height: 1;
    letter-spacing: -.045em
}

.msb-heading>p:last-child {
    max-width: 740px;
    color: var(--grey);
    font-size: 1.08rem;
    line-height: 1.7
}

.msb-path-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem
}

.msb-path-card {
    overflow: hidden;
    border: 1px solid var(--border);
    background: #fff;
    box-shadow: 0 18px 55px rgba(10, 22, 32, .08)
}

.msb-path-card__image {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: #e9ecef
}

.msb-path-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease
}

.msb-path-card:hover .msb-path-card__image img {
    transform: scale(1.025)
}

.msb-path-card__body {
    padding: clamp(1.8rem, 4vw, 3rem)
}

.msb-path-card h3 {
    margin-bottom: 1rem;
    font-size: clamp(1.8rem, 3vw, 2.7rem);
    letter-spacing: -.03em
}

.msb-path-card p {
    color: var(--grey);
    line-height: 1.7
}

.msb-checklist {
    display: grid;
    gap: .75rem;
    margin: 1.5rem 0 2rem;
    padding: 0;
    list-style: none
}

.msb-checklist li {
    position: relative;
    padding-left: 1.65rem
}

.msb-checklist li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--red);
    font-weight: 900
}

.msb-split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(3rem, 7vw, 7rem);
    align-items: center
}

.msb-large-copy {
    color: rgba(255, 255, 255, .85);
    font-size: 1.25rem;
    line-height: 1.65
}

.msb-section--dark p:not(.msb-kicker) {
    color: rgba(255, 255, 255, .68)
}

.msb-benefit-list {
    border-top: 1px solid rgba(255, 255, 255, .18)
}

.msb-benefit-list article {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 1.1rem;
    padding: 1.35rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, .18)
}

.msb-benefit-list article>span {
    color: var(--red);
    font-weight: 900
}

.msb-benefit-list h3 {
    margin-bottom: .35rem;
    font-size: 1.12rem
}

.msb-benefit-list p {
    margin: 0
}

.msb-range-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem
}

.msb-model {
    overflow: hidden;
    border: 1px solid var(--border);
    background: #fff
}

.msb-model>img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    background: #e8ebed
}

.msb-model__body {
    padding: 1.8rem
}

.msb-model h3 {
    margin-bottom: .8rem;
    font-size: 1.4rem
}

.msb-model p {
    color: var(--grey);
    line-height: 1.65
}

.msb-text-link {
    color: var(--charcoal);
    font-weight: 900;
    text-decoration: none
}

.msb-text-link:hover {
    color: var(--red)
}

.msb-engineering-image img {
    display: block;
    width: 100%;
    height: auto;
    box-shadow: 0 30px 80px rgba(4, 12, 18, .16)
}

.msb-feature-points {
    display: grid;
    gap: 0;
    margin: 1.8rem 0 0;
    padding: 0;
    border-top: 1px solid var(--border);
    list-style: none
}

.msb-feature-points li {
    padding: 1.15rem 0;
    border-bottom: 1px solid var(--border)
}

.msb-feature-points strong,
.msb-feature-points span {
    display: block
}

.msb-feature-points strong {
    margin-bottom: .3rem
}

.msb-feature-points span {
    color: var(--grey);
    line-height: 1.55
}

.msb-proof-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid rgba(255, 255, 255, .18);
    border-left: 1px solid rgba(255, 255, 255, .18)
}

.msb-proof-grid article {
    min-height: 245px;
    padding: 2rem;
    border-right: 1px solid rgba(255, 255, 255, .18);
    border-bottom: 1px solid rgba(255, 255, 255, .18)
}

.msb-proof-grid article>span {
    display: block;
    margin-bottom: 3rem;
    color: var(--red);
    font-weight: 900
}

.msb-proof-grid h3 {
    margin-bottom: .7rem;
    font-size: 1.3rem
}

.msb-proof-grid p {
    color: rgba(255, 255, 255, .66);
    line-height: 1.65
}

.msb-faq-layout {
    display: grid;
    grid-template-columns: minmax(280px, .8fr) minmax(0, 1.2fr);
    gap: clamp(3rem, 7vw, 7rem)
}

.msb-faq-layout>div:first-child p:last-child {
    color: var(--grey);
    line-height: 1.7
}

.msb-faq .accordion-item {
    border-right: 0;
    border-left: 0
}

.msb-faq .accordion-button {
    padding: 1.35rem 0;
    font-size: 1.05rem;
    font-weight: 900;
    box-shadow: none
}

.msb-faq .accordion-button:not(.collapsed) {
    color: var(--red);
    background: transparent
}

.msb-faq .accordion-body {
    padding: 0 0 1.5rem;
    color: var(--grey);
    line-height: 1.7
}

.msb-final-cta {
    padding: clamp(4.5rem, 8vw, 7rem) 0;
    color: #fff;
    background: var(--red)
}

.msb-final-cta .msb-kicker {
    color: #fff;
    opacity: .78
}

.msb-final-cta__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem
}

.msb-final-cta__inner>div:first-child {
    max-width: 850px
}

.msb-final-cta p {
    max-width: 700px;
    color: rgba(255, 255, 255, .85)
}

@media(max-width:991.98px) {

    .msb-trust__grid,
    .msb-range-grid,
    .msb-proof-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr))
    }

    .msb-faq-layout {
        grid-template-columns: 1fr
    }
}

@media(max-width:767.98px) {
    .msb-hero {
        min-height: 660px
    }

    .msb-hero__overlay {
        background: linear-gradient(rgba(3, 7, 10, .78), rgba(3, 7, 10, .93))
    }

    .msb-hero__content {
        padding-top: 6rem;
        padding-bottom: 5.5rem
    }

    .msb-trust__grid,
    .msb-path-grid,
    .msb-range-grid,
    .msb-split,
    .msb-proof-grid {
        grid-template-columns: 1fr
    }

    .msb-trust__grid>div {
        border-left: 1px solid var(--border);
        border-bottom: 1px solid var(--border)
    }

    .msb-actions .button {
        width: 100%;
        text-align: center
    }

    .msb-final-cta__inner {
        align-items: flex-start;
        flex-direction: column
    }
}

:root {
    --red: #d71920;
    --red-dark: #a80f15;
    --charcoal: #202124;
    --ink: #17181a;
    --text: #50545a;
    --soft: #f5f5f4;
    --line: #dedfdf;
    --white: #fff;
    --max: 1240px;
    --radius: 22px;
    --shadow: 0 24px 70px rgba(0, 0, 0, .12)
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    color: var(--text);
    background: #fff;
    font-family: Inter, Segoe UI, Arial, sans-serif;
    line-height: 1.65
}

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

a {
    color: inherit
}

.container {
    width: min(calc(100% - 36px), var(--max));
    margin-inline: auto
}

.skip-link {
    position: absolute;
    left: -9999px
}

.skip-link:focus {
    left: 12px;
    top: 12px;
    background: #fff;
    padding: 12px;
    z-index: 9999
}

.topbar {
    background: var(--charcoal);
    color: #fff;
    font-size: .88rem
}

.topbar-inner {
    min-height: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px
}

.topbar-inner div {
    display: flex;
    gap: 22px
}

.topbar a {
    text-decoration: none
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, .97);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px)
}

.header-inner {
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px
}

.brand img {
    max-height: 55px;
    width: auto
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 28px
}

.site-nav a {
    text-decoration: none;
    color: var(--ink);
    font-weight: 700
}

.site-nav a:hover {
    color: var(--red)
}

.nav-toggle {
    display: none;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 10px;
    padding: 10px 14px
}

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    padding: 12px 22px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 800;
    border: 1px solid transparent;
    transition: .2s ease
}

.button:hover {
    transform: translateY(-2px)
}

.button-primary {
    background: var(--red);
    color: #fff;
    box-shadow: 0 14px 30px rgba(215, 25, 32, .22)
}

.button-primary:hover {
    background: var(--red-dark)
}

.button-ghost {
    color: #fff;
    border-color: rgba(255, 255, 255, .65)
}

.button-dark {
    background: var(--charcoal);
    color: #fff
}

.button-light {
    background: #fff;
    color: var(--ink)
}

.hero {
    min-height: 720px;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden
}

.hero-media,
.hero-overlay {
    position: absolute;
    inset: 0
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.hero-overlay {
    background: linear-gradient(90deg, rgba(10, 10, 10, .9) 0%, rgba(10, 10, 10, .6) 45%, rgba(10, 10, 10, .12) 80%)
}

.hero-content {
    position: relative;
    z-index: 2;
    color: #fff;
    padding-block: 100px
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: .15em;
    font-size: .78rem;
    font-weight: 900
}

.hero h1 {
    max-width: 760px;
    margin: 0 0 24px;
    color: #fff;
    font-size: clamp(3.3rem, 7vw, 6.6rem);
    line-height: .95;
    letter-spacing: -.055em
}

.hero-copy {
    max-width: 680px;
    font-size: clamp(1.12rem, 2vw, 1.42rem);
    color: rgba(255, 255, 255, .86)
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 13px;
    margin-top: 32px
}

.section {
    padding: 100px 0
}

.section-soft {
    background: var(--soft)
}

.section-dark {
    background: var(--charcoal)
}

h2,
h3 {
    color: var(--ink);
    line-height: 1.12;
    letter-spacing: -.03em
}

h2 {
    font-size: clamp(2.2rem, 4.3vw, 4rem);
    margin: 0 0 20px
}

h3 {
    font-size: 1.5rem
}

.intro-grid {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 80px;
    align-items: start
}

.intro-copy {
    font-size: 1.18rem;
    max-width: 720px
}

.text-link {
    display: inline-flex;
    gap: 8px;
    margin-top: 16px;
    color: var(--red);
    font-weight: 800;
    text-decoration: none
}

.section-heading {
    max-width: 820px;
    margin: 0 auto 52px;
    text-align: center
}

.section-heading>p:last-child {
    font-size: 1.12rem
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px
}

.brand-card {
    overflow: hidden;
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow)
}

.brand-card-image {
    height: 360px;
    overflow: hidden;
    background: #ddd
}

.brand-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease
}

.brand-card:hover img {
    transform: scale(1.025)
}

.brand-card-body {
    padding: 34px
}

.card-label {
    color: var(--red);
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .76rem;
    font-weight: 900
}

.brand-card h3 {
    font-size: 2rem;
    margin: 10px 0 14px
}

.brand-card ul {
    padding-left: 20px;
    margin: 22px 0 28px
}

.innovation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center
}

.innovation-image img {
    width: 100%;
    min-height: 560px;
    object-fit: cover;
    border-radius: var(--radius);
    box-shadow: var(--shadow)
}

.feature-list {
    display: grid;
    gap: 12px;
    margin-top: 30px
}

.feature-list div {
    display: grid;
    gap: 4px;
    padding: 20px 0;
    border-top: 1px solid var(--line)
}

.feature-list strong {
    color: var(--ink);
    font-size: 1.08rem
}

.light h2 {
    color: #fff
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px
}

.proof-grid>div {
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, .13);
    border-radius: 18px;
    background: rgba(255, 255, 255, .045)
}

.proof-grid span {
    color: var(--red);
    font-weight: 900
}

.proof-grid h3 {
    color: #fff
}

.proof-grid p {
    color: rgba(255, 255, 255, .68)
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px
}

.method-grid>div {
    padding: 28px 24px;
    border-top: 4px solid var(--red);
    background: var(--soft);
    border-radius: 0 0 16px 16px
}

.method-grid span {
    color: var(--red);
    font-size: 1.6rem;
    font-weight: 900
}

.cta {
    background: var(--red);
    color: #fff;
    padding: 75px 0
}

.cta-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px
}

.cta h2 {
    color: #fff;
    margin-bottom: 10px
}

.cta p {
    color: rgba(255, 255, 255, .82);
    max-width: 760px
}

.cta .eyebrow {
    color: #fff;
    opacity: .75
}

.footer {
    background: #121315;
    color: #fff;
    padding: 68px 0 26px
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 44px
}

.footer-grid img {
    max-height: 54px;
    width: auto;
    margin-bottom: 18px
}

.footer h3 {
    color: #fff;
    font-size: 1rem;
    margin-top: 0
}

.footer-grid>div {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 9px
}

.footer a,
.footer span,
.footer p {
    color: rgba(255, 255, 255, .66);
    text-decoration: none
}

.footer-bottom {
    margin-top: 45px;
    border-top: 1px solid rgba(255, 255, 255, .13);
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    gap: 20px;
    font-size: .88rem
}

.footer-bottom div {
    display: flex;
    gap: 20px
}

.mobile-bar {
    display: none
}

@media(max-width:960px) {
    .site-nav {
        display: none;
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        background: #fff;
        padding: 14px 20px 24px;
        border-bottom: 1px solid var(--line);
        flex-direction: column;
        align-items: stretch
    }

    .site-nav.open {
        display: flex
    }

    .nav-toggle {
        display: block
    }

    .desktop-cta {
        display: none
    }

    .hero {
        min-height: 650px
    }

    .intro-grid,
    .innovation-grid {
        grid-template-columns: 1fr;
        gap: 40px
    }

    .proof-grid {
        grid-template-columns: repeat(2, 1fr)
    }

    .method-grid {
        grid-template-columns: repeat(2, 1fr)
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media(max-width:680px) {
    body {
        padding-bottom: 62px
    }

    .topbar-inner>span,
    .topbar-inner a:last-child {
        display: none
    }

    .topbar-inner {
        justify-content: center
    }

    .header-inner {
        min-height: 70px
    }

    .brand img {
        max-height: 46px
    }

    .hero {
        min-height: 620px
    }

    .hero-overlay {
        background: rgba(10, 10, 10, .72)
    }

    .hero h1 {
        font-size: 3.55rem
    }

    .section {
        padding: 72px 0
    }

    .brand-grid,
    .proof-grid,
    .method-grid,
    .footer-grid {
        grid-template-columns: 1fr
    }

    .brand-card-image {
        height: 270px
    }

    .innovation-image img {
        min-height: 380px
    }

    .cta-inner {
        flex-direction: column;
        align-items: flex-start
    }

    .footer-bottom {
        flex-direction: column
    }

    .mobile-bar {
        position: fixed;
        z-index: 1400;
        left: 0;
        right: 0;
        bottom: 0;
        display: grid;
        grid-template-columns: 1fr 1fr;
        background: #fff;
        padding: 7px;
        gap: 7px;
        border-top: 1px solid var(--line)
    }

    .mobile-bar a {
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 9px;
        text-decoration: none;
        font-weight: 800
    }

    .mobile-bar a:first-child {
        border: 1px solid var(--line);
        color: var(--ink)
    }

    .mobile-bar a:last-child {
        background: var(--red);
        color: #fff
    }
}

/* Contact page additions — add to assets/css/site.css if not already present */

.msb-contact-form {
    margin-top: 2rem;
}

.msb-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
}

.msb-form-field {
    display: flex;
    flex-direction: column;
    gap: .5rem;
}

.msb-form-field--full {
    grid-column: 1 / -1;
}

.msb-form-field label {
    font-weight: 700;
}

.msb-form-field input,
.msb-form-field select,
.msb-form-field textarea {
    width: 100%;
    padding: .95rem 1rem;
    border: 1px solid #cfd5db;
    border-radius: 8px;
    background: #fff;
    color: #111;
    font: inherit;
}

.msb-form-field input:focus,
.msb-form-field select:focus,
.msb-form-field textarea:focus {
    outline: 3px solid rgba(0, 0, 0, .12);
    border-color: #111;
}

.msb-checkbox {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    font-weight: 400 !important;
}

.msb-checkbox input {
    width: auto;
    margin-top: .25rem;
}

.msb-honeypot {
    position: absolute !important;
    left: -10000px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
}

@media (max-width: 760px) {
    .msb-form-grid {
        grid-template-columns: 1fr;
    }

    .msb-form-field--full {
        grid-column: auto;
    }
}