:root {
    --bos-navy-950: #001229;
    --bos-navy-900: #001a3f;
    --bos-navy-800: #082b57;
    --bos-navy-700: #163f6f;
    --bos-navy-600: #285582;

    --bos-gold: #fdbb00;
    --bos-gold-light: #ffcf3f;

    --bos-white: #ffffff;
    --bos-page: #f4f7fb;
    --bos-soft: #edf2f8;
    --bos-border: #d8e1ec;

    --bos-text: #061a36;
    --bos-muted: #53657b;

    --container: 1180px;
    --radius: 18px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--bos-text);
    background: var(--bos-white);
    font-family:
        Inter,
        ui-sans-serif,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Arial,
        sans-serif;
    line-height: 1.55;
}

img {
    max-width: 100%;
}

a {
    color: inherit;
}

.site-container {
    width: min(calc(100% - 40px), var(--container));
    margin-inline: auto;
}



/* HEADER */

.site-header {
    background: var(--bos-white);
    border-bottom: 1px solid var(--bos-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    min-height: 82px;
    display: flex;
    align-items: center;
    gap: 34px;
}

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

.site-wordmark {
    width: 210px;
    height: auto;
    display: block;
}

.main-nav {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 28px;
}

.main-nav a {
    text-decoration: none;
    font-weight: 700;
    font-size: .96rem;
}

.main-nav a:hover {
    color: var(--bos-navy-600);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}



/* BUTTONS */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 20px;
    border-radius: 9px;
    text-decoration: none;
    font-weight: 800;
    border: 1px solid transparent;
    transition:
        transform .18s ease,
        background .18s ease,
        border-color .18s ease;
}

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

.btn-large {
    min-height: 54px;
    padding-inline: 26px;
}

.btn-gold {
    background: var(--bos-gold);
    color: var(--bos-navy-950);
}

.btn-gold:hover {
    background: var(--bos-gold-light);
}

.btn-light {
    background: var(--bos-page);
    color: var(--bos-text);
}

.btn-outline {
    color: var(--bos-white);
    border-color: rgba(255,255,255,.45);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--bos-white);
}



/* HERO */

.hero {
    background:
        radial-gradient(
            circle at 85% 10%,
            rgba(42, 91, 145, .8),
            transparent 35%
        ),
        linear-gradient(
            120deg,
            var(--bos-navy-950),
            var(--bos-navy-800)
        );
    color: var(--bos-white);
    overflow: hidden;
}

.hero-grid {
    min-height: 670px;
    padding-block: 82px;
    display: grid;
    grid-template-columns: minmax(0, 1.07fr) minmax(420px, .93fr);
    align-items: center;
    gap: 70px;
}

.eyebrow {
    margin: 0 0 16px;
    color: var(--bos-gold);
    font-size: .78rem;
    letter-spacing: .16em;
    font-weight: 900;
}

.hero h1 {
    margin: 0;
    max-width: 760px;
    font-size: clamp(3.3rem, 6vw, 5.8rem);
    line-height: .98;
    letter-spacing: -.045em;
}

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

.hero-lead {
    margin: 30px 0 0;
    max-width: 680px;
    font-size: 1.4rem;
    font-weight: 700;
}

.hero-description {
    margin: 16px 0 0;
    color: rgba(255,255,255,.82);
    max-width: 700px;
    font-size: 1.05rem;
}

.hero-actions {
    margin-top: 34px;
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}



/* HERO PLATFORM VISUAL */

.hero-visual {
    position: relative;
    min-height: 520px;
    display: grid;
    place-items: center;
}

.os-center {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: var(--bos-white);
    display: grid;
    place-items: center;
    position: absolute;
    z-index: 4;
    box-shadow: 0 18px 60px rgba(0,0,0,.28);
}

.os-center img {
    width: 142px;
}

.os-grid {
    width: min(100%, 520px);
    display: grid;
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 16px;
}

.os-grid article {
    min-height: 112px;
    padding: 20px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(255,255,255,.07);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    display: flex;
    gap: 13px;
    align-items: center;
}

.os-grid article:nth-child(odd) {
    padding-right: 72px;
}

.os-grid article:nth-child(even) {
    padding-left: 72px;
}

.module-icon {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--bos-gold);
    color: var(--bos-navy-950);
    font-size: 1.15rem;
    font-weight: 900;
}



/* INTRO */

.intro-strip {
    background: var(--bos-white);
    border-bottom: 1px solid var(--bos-border);
}

.intro-strip p {
    margin: 0;
    padding: 24px 0;
    text-align: center;
    font-size: 1.2rem;
    letter-spacing: .015em;
}

.intro-strip span {
    color: #b88400;
    font-weight: 900;
}



/* GENERAL SECTIONS */

.section {
    padding: 90px 0;
}

.section-heading {
    max-width: 780px;
    margin-bottom: 44px;
}

.section-heading.centered {
    margin-inline: auto;
    text-align: center;
}

.section-heading h2,
.future-section h2,
.final-cta h2 {
    margin: 0;
    font-size: clamp(2.3rem, 4vw, 3.7rem);
    line-height: 1.08;
    letter-spacing: -.035em;
}

.section-heading > p:last-child {
    color: var(--bos-muted);
    font-size: 1.08rem;
}



/* CAPABILITIES */

.capabilities {
    background: var(--bos-page);
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0,1fr));
    gap: 20px;
}

.capability-card {
    background: var(--bos-white);
    border: 1px solid var(--bos-border);
    border-radius: var(--radius);
    padding: 28px;
    min-height: 235px;
    box-shadow: 0 8px 24px rgba(8,43,87,.04);
}

.capability-icon {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    background: var(--bos-navy-950);
    color: var(--bos-gold);
    display: grid;
    place-items: center;
    font-size: 1.35rem;
    font-weight: 900;
}

.capability-card h3 {
    margin: 22px 0 9px;
    font-size: 1.25rem;
}

.capability-card p {
    margin: 0;
    color: var(--bos-muted);
}



/* BENEFITS */

.benefits {
    background: var(--bos-white);
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0,1fr));
    border: 1px solid var(--bos-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.benefit-grid article {
    text-align: center;
    padding: 34px 22px;
    border-right: 1px solid var(--bos-border);
}

.benefit-grid article:last-child {
    border-right: 0;
}

.benefit-symbol {
    width: 62px;
    height: 62px;
    margin: 0 auto 18px;
    border: 2px solid var(--bos-navy-800);
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: var(--bos-gold);
    font-size: 1.6rem;
    font-weight: 900;
}

.benefit-grid h3 {
    margin: 0 0 8px;
}

.benefit-grid p {
    margin: 0;
    color: var(--bos-muted);
    font-size: .93rem;
}



/* FUTURE */

.future-section {
    padding: 90px 0;
    color: var(--bos-white);
    background:
        radial-gradient(
            circle at 85% 25%,
            rgba(48,97,149,.65),
            transparent 40%
        ),
        var(--bos-navy-950);
}

.future-grid {
    display: grid;
    grid-template-columns: minmax(0,1fr) minmax(0,1fr);
    gap: 60px;
    align-items: center;
}

.future-symbol {
    width: 82px;
    margin-bottom: 28px;
}

.future-section h2 span {
    color: var(--bos-gold);
}

.future-brand > p:not(.eyebrow) {
    max-width: 620px;
    color: rgba(255,255,255,.82);
    font-size: 1.08rem;
}

.future-panel {
    padding: 42px;
    border-radius: 22px;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
}

.future-panel h3 {
    margin: 0 0 18px;
    font-size: 2rem;
}

.future-panel > p:not(.eyebrow) {
    color: rgba(255,255,255,.8);
}

.future-stat-grid {
    margin-top: 30px;
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 12px;
}

.future-stat-grid div {
    padding: 18px;
    background: rgba(255,255,255,.06);
    border-radius: 12px;
}

.future-stat-grid strong,
.future-stat-grid span {
    display: block;
}

.future-stat-grid span {
    color: rgba(255,255,255,.67);
    font-size: .9rem;
}



/* CTA */

.final-cta {
    background: var(--bos-navy-800);
    color: var(--bos-white);
}

.final-cta-inner {
    padding-block: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.final-cta-actions {
    display: flex;
    gap: 12px;
}



/* FOOTER */

.site-footer {
    color: var(--bos-white);
    background: var(--bos-navy-950);
}

.footer-main {
    padding-block: 62px;
    display: grid;
    grid-template-columns: 2fr repeat(3,1fr);
    gap: 50px;
}

.footer-wordmark {
    width: 250px;
    filter: brightness(0) invert(1);
}

.footer-brand > p {
    color: rgba(255,255,255,.77);
}

.footer-brand strong {
    color: var(--bos-gold);
}

.footer-description {
    max-width: 380px;
}

.footer-links {
    display: grid;
    align-content: start;
    gap: 10px;
}

.footer-links strong {
    color: var(--bos-gold);
    margin-bottom: 5px;
}

.footer-links a {
    text-decoration: none;
    color: rgba(255,255,255,.76);
}

.footer-links a:hover {
    color: var(--bos-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.12);
}

.footer-bottom-inner {
    min-height: 66px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: rgba(255,255,255,.6);
    font-size: .87rem;
}



/* TABLET */

@media (max-width: 1100px) {

    .main-nav {
        gap: 17px;
    }

    .hero-grid {
        grid-template-columns: 1fr 440px;
        gap: 38px;
    }

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

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

    .benefit-grid article {
        border-bottom: 1px solid var(--bos-border);
    }

    .footer-main {
        grid-template-columns: 2fr 1fr 1fr;
    }

}



/* MOBILE / SMALL TABLET */

@media (max-width: 768px) {

    .site-container {
        width: min(calc(100% - 30px), var(--container));
    }

    .site-header {
        position: static;
    }

    .header-inner {
        min-height: 72px;
        flex-wrap: wrap;
        padding-block: 12px;
        gap: 12px;
    }

    .site-wordmark {
        width: 170px;
    }

    .main-nav {
        order: 3;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 8px;
        gap: 20px;
    }

    .main-nav a {
        white-space: nowrap;
    }

    .nav-actions {
        margin-left: auto;
    }

    .nav-actions .btn {
        min-height: 40px;
        padding-inline: 13px;
        font-size: .85rem;
    }

    .hero-grid {
        min-height: 0;
        padding-block: 58px;
        grid-template-columns: 1fr;
    }

    .hero-copy {
        text-align: center;
    }

    .hero h1 {
        margin-inline: auto;
    }

    .hero-lead,
    .hero-description {
        margin-inline: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-visual {
        min-height: 470px;
    }

    .os-grid {
        max-width: 530px;
    }

    .section {
        padding: 68px 0;
    }

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

    .future-grid {
        grid-template-columns: 1fr;
    }

    .future-brand {
        text-align: center;
    }

    .future-symbol {
        margin-inline: auto;
    }

    .future-brand > p:not(.eyebrow) {
        margin-inline: auto;
    }

    .final-cta-inner {
        display: block;
        text-align: center;
    }

    .final-cta-actions {
        margin-top: 28px;
        justify-content: center;
    }

    .footer-main {
        grid-template-columns: repeat(2,minmax(0,1fr));
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

}



/* PHONE */

@media (max-width: 480px) {

    .site-container {
        width: min(calc(100% - 24px), var(--container));
    }

    .header-inner {
        justify-content: center;
    }

    .site-brand {
        width: 100%;
        justify-content: center;
    }

    .site-wordmark {
        width: 190px;
    }

    .nav-actions {
        width: 100%;
        margin-left: 0;
    }

    .nav-actions .btn {
        flex: 1;
    }

    .main-nav {
        justify-content: flex-start;
    }

    .hero-grid {
        padding-block: 46px;
    }

    .hero h1 {
        font-size: clamp(2.7rem, 14vw, 4rem);
    }

    .hero-lead {
        font-size: 1.16rem;
    }

    .hero-actions {
        display: grid;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-visual {
        min-height: auto;
        display: block;
        margin-top: 18px;
    }

    .os-center {
        position: relative;
        margin: 0 auto 20px;
        width: 140px;
        height: 140px;
    }

    .os-center img {
        width: 110px;
    }

    .os-grid {
        grid-template-columns: 1fr;
    }

    .os-grid article:nth-child(odd),
    .os-grid article:nth-child(even) {
        padding: 16px;
    }

    .os-grid article {
        min-height: 78px;
    }

    .capability-grid {
        grid-template-columns: 1fr;
    }

    .capability-card {
        min-height: 0;
    }

    .benefit-grid {
        grid-template-columns: 1fr;
    }

    .benefit-grid article {
        border-right: 0;
    }

    .future-panel {
        padding: 28px 22px;
    }

    .future-stat-grid {
        grid-template-columns: 1fr;
    }

    .final-cta-actions {
        display: grid;
    }

    .final-cta-actions .btn {
        width: 100%;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .footer-brand {
        grid-column: auto;
    }

    .footer-bottom-inner {
        padding-block: 18px;
        display: grid;
        gap: 6px;
        text-align: center;
    }

}

/* =========================================================
   BUSINESS OS FOOTER BRAND LOCKUP
   ========================================================= */

.footer-brand-lockup {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
}

.footer-brand-symbol {
    display: block;
    width: 66px;
    height: 66px;
    max-width: 66px;
    object-fit: contain;
    background: transparent;
}

.footer-brand-name strong {
    color: #ffffff;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: .025em;
}

.footer-brand-name strong span {
    color: #fdbb00;
}

@media (max-width: 640px) {
    .footer-brand-lockup {
        justify-content: flex-start;
    }

    .footer-brand-symbol {
        width: 56px;
        height: 56px;
        max-width: 56px;
    }

    .footer-brand-name strong {
        font-size: 1.15rem;
    }
}
