:root {
        --navy: #071a2b;
        --deep: #04111d;
        --gold: #c9a45c;
        --gold2: #d8b873;
        --ink: #242927;
        --muted: #6e746f;
        --bg: #f7f8fa;
        --line: #e6eaf0;
        --white: #fff;
        --green: #16805c;
        --radius: 20px;
        --max: 1180px;
    }
    * {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        margin: 0;
        font-family: Inter, system-ui, sans-serif;
        color: var(--ink);
        background: #fff;
        line-height: 1.6;
    }
    a {
        text-decoration: none;
        color: inherit;
    }
    .container {
        width: min(var(--max), calc(100% - 40px));
        margin: auto;
    }
    .nav {
        height: 78px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        position: relative;
        z-index: 5;
    }
    .logo {
        font-size: 20px;
        font-weight: 800;
        letter-spacing: 0.12em;
        color: #fff;
    }
    .logo span {
        color: var(--gold);
    }
    .links {
        display: flex;
        gap: 27px;
        color: #d6dee7;
        font-size: 13px;
        font-weight: 500;
    }
    .actions {
        display: flex;
        gap: 14px;
        align-items: center;
    }
    .login {
        color: #fff;
        font-size: 13px;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 9px;
        border: 0;
        border-radius: 10px;
        padding: 13px 20px;
        font: 600 13px Inter;
        cursor: pointer;
    }
    .btn-gold {
        background: var(--gold);
        color: var(--deep);
    }
    .btn-gold:hover {
        background: var(--gold2);
    }
    .btn-outline {
        border: 1px solid rgba(255, 255, 255, 0.28);
        color: #fff;
        background: transparent;
    }
    .hero {
        background: radial-gradient(circle at 78% 25%, rgba(201, 164, 92, 0.14), transparent 30%),
            linear-gradient(135deg, var(--deep), var(--navy));
        color: #fff;
        min-height: 680px;
        position: relative;
        overflow: hidden;
    }
    .hero:after {
        content: "";
        position: absolute;
        inset: auto -10% -180px;
        height: 360px;
        background: radial-gradient(ellipse, rgba(255, 255, 255, 0.06), transparent 65%);
        pointer-events: none;
    }
    .hero-grid {
        display: grid;
        grid-template-columns: 1.02fr 0.98fr;
        gap: 55px;
        align-items: center;
        padding: 68px 0 95px;
    }
    .eyebrow {
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 0.16em;
        text-transform: uppercase;
        color: var(--gold);
        margin-bottom: 18px;
    }
    .hero h1 {
        font-size: clamp(42px, 5vw, 68px);
        line-height: 1.05;
        letter-spacing: -0.045em;
        margin: 0 0 25px;
        max-width: 690px;
    }
    .hero p {
        font-size: 17px;
        color: #c3ced8;
        max-width: 650px;
        margin: 0 0 30px;
    }
    .hero-actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }
    .trustline {
        margin-top: 26px;
        color: #aebbc7;
        font-size: 12px;
    }
    .visual {
        position: relative;
        min-height: 440px;
    }
    .vehicle {
        position: absolute;
        inset: 25px 0 0 0;
        border-radius: 28px;
        overflow: hidden;
        background: linear-gradient(145deg, #142d42, #0b1c2c);
        box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
        border: 1px solid rgba(255, 255, 255, 0.08);
    }
    .vehicle:before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(120deg, rgba(255, 255, 255, 0.04), transparent 50%),
            repeating-linear-gradient(165deg, transparent 0 60px, rgba(255, 255, 255, 0.025) 61px 62px);
    }
    .road {
        position: absolute;
        left: -10%;
        right: -10%;
        bottom: 0;
        height: 34%;
        background: linear-gradient(170deg, transparent 0 20%, #09131d 21%);
        transform: skewY(-8deg);
    }
    .van {
        position: absolute;
        right: 12%;
        bottom: 24%;
        width: 58%;
        height: 28%;
        background: #e9edf0;
        border-radius: 24px 34px 14px 14px;
        box-shadow: 0 16px 30px rgba(0, 0, 0, 0.35);
    }
    .van:before {
        content: "STERLINPRIME";
        position: absolute;
        left: 10%;
        top: 38%;
        font-size: 12px;
        font-weight: 800;
        letter-spacing: 0.13em;
        color: var(--navy);
    }
    .van:after {
        content: "";
        position: absolute;
        right: 4%;
        top: 12%;
        width: 27%;
        height: 55%;
        background: #16334a;
        border-radius: 8px 20px 7px 7px;
    }
    .wheel {
        position: absolute;
        width: 58px;
        height: 58px;
        background: #07121c;
        border: 10px solid #52616d;
        border-radius: 50%;
        bottom: -18px;
    }
    .w1 {
        left: 13%;
    }
    .w2 {
        right: 13%;
    }
    .asset {
        position: absolute;
        background: rgba(255, 255, 255, 0.97);
        color: var(--ink);
        border-radius: 15px;
        padding: 15px 17px;
        box-shadow: 0 18px 45px rgba(0, 0, 0, 0.25);
        font-size: 12px;
    }
    .asset b {
        display: block;
        font-size: 13px;
        margin-bottom: 2px;
    }
    .asset small {
        color: var(--muted);
    }
    .a1 {
        left: -24px;
        top: 52px;
    }
    .a2 {
        right: -24px;
        top: 155px;
    }
    .a3 {
        left: 25px;
        bottom: 20px;
    }
    .stats {
        background: #fff;
        border-bottom: 1px solid var(--line);
    }
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
    }
    .stat {
        padding: 25px 22px;
        border-right: 1px solid var(--line);
    }
    .stat:last-child {
        border: 0;
    }
    .stat strong {
        display: block;
        font-size: 15px;
        margin-bottom: 4px;
    }
    .stat span {
        font-size: 12px;
        color: var(--muted);
    }
    section {
        padding: 95px 0;
    }
    .light {
        background: var(--bg);
    }
    .section-head {
        max-width: 690px;
        margin-bottom: 45px;
    }
    .section-head.center {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }
    .section-head h2 {
        font-size: clamp(31px, 4vw, 45px);
        line-height: 1.1;
        letter-spacing: -0.035em;
        margin: 0 0 15px;
    }
    .section-head p {
        color: var(--muted);
        margin: 0;
        font-size: 16px;
    }
    .about-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 70px;
        align-items: center;
    }
    .about-img {
        min-height: 430px;
        border-radius: 26px;
        background: linear-gradient(145deg, #102d43, #d1b06b);
        position: relative;
        overflow: hidden;
    }
    .about-img:before {
        content: "LOGISTICS • MOBILITY • DELIVERY";
        position: absolute;
        left: 28px;
        bottom: 28px;
        color: #fff;
        font-weight: 800;
        letter-spacing: 0.08em;
        font-size: 13px;
    }
    .about-img:after {
        content: "";
        position: absolute;
        width: 290px;
        height: 150px;
        background: #e9edf0;
        border-radius: 35px;
        right: 8%;
        bottom: 25%;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    }
    .check {
        display: flex;
        gap: 12px;
        margin-top: 20px;
        font-size: 14px;
    }
    .check i {
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: rgba(201, 164, 92, 0.18);
        color: var(--gold);
        display: grid;
        place-items: center;
        font-style: normal;
    }
    .cards {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }
    .card {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 26px;
        transition: 0.25s;
        min-height: 235px;
    }
    .card:hover {
        transform: translateY(-5px);
        box-shadow: 0 18px 45px rgba(7, 26, 43, 0.09);
    }
    .icon {
        width: 46px;
        height: 46px;
        border-radius: 13px;
        background: #eef2f5;
        color: var(--navy);
        display: grid;
        place-items: center;
        font-size: 21px;
        margin-bottom: 25px;
    }
    .card h3 {
        font-size: 18px;
        margin: 0 0 8px;
    }
    .card p {
        font-size: 13px;
        color: var(--muted);
        margin: 0 0 20px;
    }
    .link {
        font-size: 12px;
        font-weight: 700;
        color: var(--navy);
    }
    .dark {
        background: var(--navy);
        color: #fff;
    }
    .dark .section-head p {
        color: #aebbc7;
    }
    .model {
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        gap: 70px;
        align-items: center;
    }
    .flow {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
    }
    .flow-item {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.1);
        padding: 18px 17px;
        border-radius: 14px;
        font-size: 12px;
        font-weight: 700;
        min-width: 105px;
        text-align: center;
    }
    .arrow {
        color: var(--gold);
        font-weight: 800;
    }
    .asset-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }
    .asset-card {
        min-height: 300px;
        border-radius: 22px;
        position: relative;
        overflow: hidden;
        background: linear-gradient(145deg, #17354b, #0a1723);
        padding: 25px;
        color: #fff;
    }
    .asset-card:nth-child(2) {
        background: linear-gradient(145deg, #1b3340, #77704f);
    }
    .asset-card:nth-child(3) {
        background: linear-gradient(145deg, #102d43, #324d5c);
    }
    .asset-card:nth-child(4) {
        background: linear-gradient(145deg, #1a3b38, #0d1f22);
    }
    .asset-card .num {
        font-size: 11px;
        color: #d5dce2;
        letter-spacing: 0.12em;
    }
    .asset-card h3 {
        position: absolute;
        left: 25px;
        bottom: 48px;
        font-size: 23px;
        margin: 0;
    }
    .asset-card p {
        position: absolute;
        left: 25px;
        bottom: 22px;
        margin: 0;
        color: #d2dae1;
        font-size: 12px;
    }
    .steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 35px;
    }
    .step-num {
        font-size: 12px;
        color: var(--gold);
        font-weight: 800;
        letter-spacing: 0.15em;
    }
    .step h3 {
        font-size: 17px;
        margin: 10px 0 7px;
    }
    .step p {
        font-size: 13px;
        color: var(--muted);
        margin: 0;
    }
    .why {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }
    .why .card {
        min-height: 185px;
    }
    .opps {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }
    .opp {
        border: 1px solid var(--line);
        border-radius: 20px;
        overflow: hidden;
        background: #fff;
    }
    .opp-img {
        height: 190px;
        background: linear-gradient(135deg, #102c42, #b99a5c);
        position: relative;
    }
    .opp:nth-child(2) .opp-img {
        background: linear-gradient(135deg, #243d4d, #7a6e52);
    }
    .opp:nth-child(3) .opp-img {
        background: linear-gradient(135deg, #163d48, #68877f);
    }
    .opp-body {
        padding: 23px;
    }
    .tag {
        font-size: 10px;
        font-weight: 800;
        letter-spacing: 0.12em;
        color: var(--gold);
        text-transform: uppercase;
    }
    .opp h3 {
        font-size: 17px;
        margin: 8px 0;
    }
    .opp p {
        font-size: 12px;
        color: var(--muted);
        margin: 0 0 17px;
    }
    .trans {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 60px;
        align-items: center;
    }
    .disclosures {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .disclosure {
        border: 1px solid var(--line);
        padding: 19px;
        border-radius: 14px;
        font-size: 13px;
        font-weight: 600;
    }
    .cta {
        background: linear-gradient(135deg, var(--deep), var(--navy));
        color: #fff;
        text-align: center;
        padding: 90px 20px;
    }
    .cta h2 {
        font-size: clamp(34px, 4vw, 48px);
        line-height: 1.1;
        letter-spacing: -0.04em;
        margin: 0 0 15px;
    }
    .cta p {
        max-width: 650px;
        margin: 0 auto 28px;
        color: #b9c6d1;
    }
    .footer {
        background: #030c14;
        color: #aebbc7;
        padding: 65px 0 25px;
    }
    .foot-grid {
        display: grid;
        grid-template-columns: 1.4fr repeat(3, 1fr);
        gap: 45px;
    }
    .footer h4 {
        color: #fff;
        font-size: 13px;
        margin: 0 0 17px;
    }
    .footer a,
    .footer p {
        font-size: 12px;
        display: block;
        margin: 8px 0;
    }
    .footer .brand {
        color: #fff;
        font-weight: 800;
        letter-spacing: 0.12em;
        font-size: 18px;
    }
    .bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        margin-top: 45px;
        padding-top: 20px;
        font-size: 11px;
        display: flex;
        justify-content: space-between;
    }
    .mobile-menu {
        display: none;
        border: 0;
        background: transparent;
        color: #fff;
        font-size: 25px;
        line-height: 1;
        cursor: pointer;
        padding: 8px;
        position: relative;
        z-index: 1002;
    }
    .mobile-menu span {
        display: block;
        width: 25px;
        height: 2px;
        background: #fff;
        margin: 5px 0;
        transition:
            transform 0.25s ease,
            opacity 0.2s ease;
    }
    .mobile-menu.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .mobile-menu.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-menu.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    .mobile-nav {
        display: none;
    }
    @media (max-width: 980px) {
        .links {
            display: none;
        }
        .mobile-menu {
            display: block;
            color: #fff;
            font-size: 23px;
        }
        .mobile-nav {
            display: flex;
            position: fixed;
            top: 0;
            right: 0;
            width: min(360px, 88vw);
            height: 100vh;
            padding: 105px 28px 30px;
            flex-direction: column;
            gap: 4px;
            background: var(--navy);
            box-shadow: -20px 0 50px rgba(0, 0, 0, 0.3);
            z-index: 1000;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            visibility: hidden;
        }
        .mobile-nav.active {
            transform: translateX(0);
            visibility: visible;
        }
        .mobile-nav a {
            color: #fff;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.09);
            font-size: 15px;
            font-weight: 500;
        }
        .mobile-nav .mobile-login {
            margin-top: 18px;
        }
        .mobile-nav .mobile-cta {
            margin-top: 8px;
            padding: 13px 18px;
            text-align: center;
            border: 0;
            border-radius: 9px;
            background: var(--gold);
            color: var(--deep);
            font-weight: 700;
        }
        .mobile-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(3, 12, 20, 0.55);
            backdrop-filter: blur(2px);
            z-index: 999;
        }
        .mobile-backdrop.active {
            display: block;
        }
        .hero-grid,
        .about-grid,
        .model,
        .trans {
            grid-template-columns: 1fr;
        }
        .visual {
            min-height: 390px;
        }
        .cards,
        .steps {
            grid-template-columns: repeat(2, 1fr);
        }
        .why {
            grid-template-columns: repeat(2, 1fr);
        }
        .opps {
            grid-template-columns: 1fr 1fr;
        }
        .foot-grid {
            grid-template-columns: 1fr 1fr;
        }
        .hero-grid {
            padding-top: 45px;
        }
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .stat:nth-child(2) {
            border-right: 0;
        }
        .stat:nth-child(-n + 2) {
            border-bottom: 1px solid var(--line);
        }
    }
    @media (max-width: 620px) {
        .container {
            width: min(100% - 28px, var(--max));
        }
        .nav {
            height: 68px;
        }
        .actions .login {
            display: none;
        }
        .actions .btn {
            padding: 10px 13px;
            font-size: 11px;
        }
        .hero {
            min-height: auto;
        }
        .hero-grid {
            padding: 55px 0 65px;
            gap: 35px;
        }
        .hero h1 {
            font-size: 39px;
        }
        .hero p {
            font-size: 15px;
        }
        .visual {
            min-height: 310px;
        }
        .vehicle {
            inset: 10px 0 0;
        }
        .asset {
            padding: 11px 12px;
        }
        .a1 {
            left: -4px;
            top: 22px;
        }
        .a2 {
            right: -4px;
            top: 100px;
        }
        .a3 {
            left: 4px;
            bottom: 5px;
        }
        .van {
            width: 66%;
            right: 8%;
        }
        .section-head {
            margin-bottom: 32px;
        }
        section {
            padding: 68px 0;
        }
        .cards,
        .steps,
        .why,
        .opps,
        .asset-grid,
        .disclosures,
        .foot-grid {
            grid-template-columns: 1fr;
        }
        .stats-grid {
            grid-template-columns: 1fr 1fr;
        }
        .stat {
            padding: 20px 13px;
        }
        .about-img {
            min-height: 300px;
        }
        .flow {
            justify-content: center;
        }
        .flow-item {
            min-width: 92px;
        }
        .arrow {
            display: none;
        }
        .bottom {
            display: block;
            line-height: 1.8;
        }
        .bottom span {
            display: block;
        }
    }

    /* STERLINPRIME — Ember & Deep Marsh Brand Theme (unique, no white anywhere) */
    :root {
        --sp-midnight: #12211e;
        --sp-deep-blue: #0e1b19;
        --sp-teal: #c4623a;
        --sp-teal-soft: #dd8657;
        --sp-champagne: #e0a458;
        --sp-cloud: #d8c9a8;
        --sp-white: #e7dcbe;
        --sp-ink: #221e18;
        --sp-slate: #6e6455;
        --sp-border: #c3b387;
        --sp-light-teal: #cbbb93;
    }

    /* Core sections */
    .hero,
    .dark-section,
    .footer {
        background-color: var(--sp-midnight) !important;
    }

    .movement-section {
        background-color: var(--sp-deep-blue) !important;
    }

    .section-light,
    .intro-section,
    .asset-section {
        background-color: var(--sp-cloud) !important;
    }

    /* Brand accents */
    .btn-primary,
    .mobile-cta,
    .cta-button {
        background-color: var(--sp-teal) !important;
        border-color: var(--sp-teal) !important;
        color: #12211e !important;
    }

    .btn-primary:hover,
    .mobile-cta:hover,
    .cta-button:hover {
        background-color: var(--sp-teal-soft) !important;
        border-color: var(--sp-teal-soft) !important;
        color: #12211e !important;
    }

    .text-accent,
    .highlight,
    .eyebrow,
    .stat-accent {
        color: var(--sp-teal) !important;
    }

    .card,
    .service-card,
    .asset-card,
    .opportunity-card {
        border-color: var(--sp-border) !important;
    }

    /* Premium micro-accent */
    .premium-accent,
    .premium-detail {
        color: var(--sp-champagne) !important;
    }

    /* ===== STERLINPRIME — Richer Homepage Enhancements ===== */

    
    .hero {
        position: relative;
        overflow: hidden;
    }
    .hero::before,
    .hero::after {
        content: "";
        position: absolute;
        border-radius: 999px;
        filter: blur(2px);
        pointer-events: none;
    }
    .hero::before {
        width: 420px;
        height: 420px;
        right: -140px;
        top: -160px;
        background: rgba(196, 98, 58, 0.16);
    }
    .hero::after {
        width: 300px;
        height: 300px;
        left: 38%;
        bottom: -190px;
        background: rgba(224, 164, 88, 0.1);
    }

    .sp-why-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 60px;
    align-items: center;
    }

    .sp-hero-grid {
        display: grid;
        grid-template-columns: 1.05fr 0.95fr;
        gap: 48px;
        align-items: center;
    }
    .sp-hero-visual {
        position: relative;
        min-height: 500px;
        border-radius: 28px;
        background: linear-gradient(145deg, rgba(224, 164, 88, 0.1), rgba(224, 164, 88, 0.02)),
            linear-gradient(135deg, #12211e, #0e1b19);
        border: 1px solid rgba(224, 164, 88, 0.14);
        overflow: hidden;
        box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
    }
    .sp-road {
        position: absolute;
        width: 150%;
        height: 180px;
        left: -25%;
        bottom: 55px;
        transform: rotate(-12deg);
        background: linear-gradient(
            90deg,
            transparent 0 15%,
            rgba(224, 164, 88, 0.12) 15% 16%,
            transparent 16% 30%,
            rgba(224, 164, 88, 0.12) 30% 31%,
            transparent 31% 45%,
            rgba(224, 164, 88, 0.12) 45% 46%,
            transparent 46%
        );
    }
    .sp-vehicle {
        position: absolute;
        left: 16%;
        bottom: 92px;
        width: 68%;
        height: 150px;
        border-radius: 34px 42px 18px 18px;
        background: linear-gradient(145deg, #e7dcbe, #c3b387);
        transform: skewX(-5deg);
        box-shadow: 0 25px 40px rgba(0, 0, 0, 0.3);
    }
    .sp-vehicle::before {
        content: "STERLINPRIME";
        position: absolute;
        left: 12%;
        top: 48%;
        font-weight: 800;
        letter-spacing: 2px;
        color: #12211e;
        font-size: 18px;
    }
    .sp-vehicle::after {
        content: "";
        position: absolute;
        right: -28px;
        bottom: -16px;
        width: 76px;
        height: 76px;
        border-radius: 50%;
        background: #12211e;
        box-shadow: -245px 0 0 #12211e;
    }
    .sp-float {
        position: absolute;
        z-index: 3;
        padding: 16px 18px;
        border: 1px solid rgba(224, 164, 88, 0.16);
        border-radius: 16px;
        background: rgba(14, 27, 25, 0.88);
        backdrop-filter: blur(14px);
        color: #e7dcbe;
        box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
    }
    .sp-float small {
        display: block;
        color: #b2a98f;
        margin-bottom: 5px;
    }
    .sp-float strong {
        font-size: 18px;
    }
    .sp-float.one {
        top: 34px;
        right: 28px;
    }
    .sp-float.two {
        left: 28px;
        bottom: 28px;
    }
    .sp-float.three {
        right: 28px;
        bottom: 30%;
    }
    .sp-section-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        text-transform: uppercase;
        letter-spacing: 1.8px;
        font-size: 12px;
        font-weight: 800;
        color: #c4623a;
    }
    .sp-section-tag::before {
        content: "";
        width: 24px;
        height: 2px;
        background: #c4623a;
    }
    .sp-stat-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        border: 1px solid #c3b387;
        border-radius: 20px;
        overflow: hidden;
        background: #dccea9;
        box-shadow: 0 18px 50px rgba(14, 27, 25, 0.1);
    }
    .sp-stat {
        padding: 28px 24px;
        border-right: 1px solid #c3b387;
    }
    .sp-stat:last-child {
        border-right: 0;
    }
    .sp-stat strong {
        display: block;
        font-size: 24px;
        color: #221e18;
        margin-bottom: 6px;
    }
    .sp-stat span {
        color: #6e6455;
        font-size: 14px;
    }
    .sp-ecosystem {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }
    .sp-eco-card {
        min-height: 260px;
        padding: 28px;
        border-radius: 22px;
        color: #e7dcbe;
        position: relative;
        overflow: hidden;
        background: linear-gradient(145deg, #12211e, #0e1b19);
        border: 1px solid rgba(224, 164, 88, 0.1);
    }
    .sp-eco-card:nth-child(2) {
        background: linear-gradient(145deg, #1f3a2e, #0e1b19);
    }
    .sp-eco-card:nth-child(3) {
        background: linear-gradient(145deg, #3a2e1f, #0e1b19);
    }
    .sp-eco-card:nth-child(4) {
        background: linear-gradient(145deg, #2e241c, #0e1b19);
    }
    .sp-eco-number {
        color: #dd8657;
        font-weight: 800;
        font-size: 13px;
        letter-spacing: 1px;
    }
    .sp-eco-card h3 {
        margin: 70px 0 10px;
        font-size: 22px;
    }
    .sp-eco-card p {
        color: #c7bca0;
        line-height: 1.7;
    }
    .sp-eco-arrow {
        position: absolute;
        right: 24px;
        top: 24px;
        color: #dd8657;
        font-size: 22px;
    }
    .sp-asset-grid {
        display: grid;
        grid-template-columns: 1.35fr 0.65fr;
        gap: 18px;
    }
    .sp-asset-main,
    .sp-asset-stack > div {
        position: relative;
        overflow: hidden;
        border-radius: 24px;
        min-height: 420px;
        background: linear-gradient(145deg, #3a3223, #221e18);
    }
    .sp-asset-stack {
        display: grid;
        gap: 18px;
    }
    .sp-asset-stack > div {
        min-height: 201px;
    }
    .sp-asset-image {
        position: absolute;
        inset: 0;
        background: radial-gradient(circle at 75% 30%, rgba(196, 98, 58, 0.35), transparent 26%),
            linear-gradient(145deg, #33291c, #12211e);
    }
    .sp-asset-main .sp-asset-image {
        background: radial-gradient(circle at 65% 30%, rgba(224, 164, 88, 0.4), transparent 24%),
            linear-gradient(145deg, #3e3320, #12211e);
    }
    .sp-asset-label {
        position: absolute;
        left: 26px;
        right: 26px;
        bottom: 24px;
        z-index: 2;
        color: #e7dcbe;
    }
    .sp-asset-label small {
        color: #dd8657;
        font-weight: 800;
        letter-spacing: 1.4px;
    }
    .sp-asset-label h3 {
        margin: 6px 0;
        font-size: 28px;
    }
    .sp-asset-label p {
        margin: 0;
        color: #cbbb93;
    }
    .sp-flow {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        align-items: center;
        gap: 10px;
    }
    .sp-flow-item {
        text-align: center;
        position: relative;
    }
    .sp-flow-icon {
        width: 66px;
        height: 66px;
        margin: 0 auto 16px;
        border-radius: 18px;
        display: grid;
        place-items: center;
        background: rgba(196, 98, 58, 0.14);
        color: #c4623a;
        font-size: 23px;
        font-weight: 800;
        border: 1px solid rgba(196, 98, 58, 0.26);
    }
    .sp-flow-item:not(:last-child)::after {
        content: "→";
        position: absolute;
        right: -22px;
        top: 19px;
        color: #dd8657;
        font-size: 22px;
    }
    .sp-opportunities {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 20px;
    }
    .sp-opportunity {
        background: #e7dcbe;
        border: 1px solid #c3b387;
        border-radius: 22px;
        overflow: hidden;
        box-shadow: 0 15px 40px rgba(14, 27, 25, 0.08);
        transition: 0.3s ease;
    }
    .sp-opportunity:hover {
        transform: translateY(-6px);
        box-shadow: 0 24px 55px rgba(14, 27, 25, 0.14);
    }
    .sp-op-img {
        height: 190px;
        background: linear-gradient(145deg, #3a2e1f, #12211e);
        position: relative;
    }
    .sp-op-img::after {
        content: "ASSET";
        position: absolute;
        right: 18px;
        top: 18px;
        padding: 7px 10px;
        border-radius: 999px;
        font-size: 10px;
        letter-spacing: 1px;
        color: #12211e;
        background: #dd8657;
        font-weight: 800;
    }
    .sp-op-body {
        padding: 22px;
    }
    .sp-op-body small {
        color: #c4623a;
        font-weight: 800;
        letter-spacing: 1.2px;
    }
    .sp-op-body h3 {
        color: #221e18;
        margin: 8px 0;
        font-size: 21px;
    }
    .sp-op-body p {
        color: #6e6455;
        line-height: 1.65;
    }
    .sp-op-link {
        color: #c4623a;
        font-weight: 800;
        text-decoration: none;
    }
    .sp-benefit-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 18px;
    }
    .sp-benefit {
        padding: 25px;
        border: 1px solid rgba(224, 164, 88, 0.14);
        border-radius: 18px;
        background: rgba(224, 164, 88, 0.06);
    }
    .sp-benefit b {
        color: #e7dcbe;
        display: block;
        margin-bottom: 7px;
        font-size: 17px;
    }
    .sp-benefit span {
        color: #b7ae95;
        line-height: 1.65;
        font-size: 14px;
    }
    .sp-faq {
        max-width: 850px;
        margin: 0 auto;
    }
    .sp-faq details {
        border-bottom: 1px solid #c3b387;
        padding: 20px 0;
    }
    .sp-faq summary {
        cursor: pointer;
        list-style: none;
        font-weight: 700;
        color: #221e18;
        display: flex;
        justify-content: space-between;
    }
    .sp-faq summary::-webkit-details-marker {
        display: none;
    }
    .sp-faq summary::after {
        content: "+";
        color: #c4623a;
        font-size: 20px;
    }
    .sp-faq details[open] summary::after {
        content: "−";
    }
    .sp-faq p {
        color: #6e6455;
        line-height: 1.75;
        margin: 14px 0 0;
    }
    .sp-newsletter {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 30px;
        padding: 32px;
        border-radius: 24px;
        background: linear-gradient(135deg, #12211e, #0e1b19);
        color: #e7dcbe;
        margin-top: 60px;
    }
    .sp-newsletter h3 {
        margin: 0 0 7px;
        font-size: 24px;
    }
    .sp-newsletter p {
        margin: 0;
        color: #b7ae95;
    }
    .sp-newsletter-form {
        display: flex;
        gap: 10px;
    }
    .sp-newsletter-form input {
        width: 260px;
        padding: 14px 16px;
        border-radius: 10px;
        border: 1px solid rgba(224, 164, 88, 0.16);
        background: rgba(224, 164, 88, 0.08);
        color: #e7dcbe;
        outline: none;
    }
    @media (max-width: 1000px) {
        .sp-hero-grid {
            grid-template-columns: 1fr;
        }
        .sp-ecosystem {
            grid-template-columns: 1fr 1fr;
        }
        .sp-stat-grid {
            grid-template-columns: 1fr 1fr;
        }
        .sp-stat:nth-child(2) {
            border-right: 0;
        }
        .sp-stat:nth-child(-n + 2) {
            border-bottom: 1px solid #c3b387;
        }
        .sp-opportunities {
            grid-template-columns: 1fr 1fr;
        }
        .sp-flow {
            grid-template-columns: 1fr 1fr;
            gap: 35px;
        }
        .sp-flow-item:not(:last-child)::after {
            display: none;
        }
    }
    @media (max-width: 680px) {
        .sp-hero-visual {
            min-height: 360px;
        }
        .sp-vehicle {
            height: 105px;
            bottom: 72px;
        }
        .sp-vehicle::before {
            font-size: 11px;
        }
        .sp-float {
            padding: 11px 13px;
        }
        .sp-float strong {
            font-size: 14px;
        }
        .sp-float.one {
            top: 18px;
            right: 16px;
        }
        .sp-float.two {
            left: 16px;
            bottom: 16px;
        }
        .sp-float.three {
            right: 16px;
            bottom: 28%;
        }
        .sp-stat-grid,
        .sp-ecosystem,
        .sp-opportunities,
        .sp-benefit-grid {
            grid-template-columns: 1fr;
        }
        .sp-stat {
            border-right: 0;
            border-bottom: 1px solid #c3b387;
        }
        .sp-stat:last-child {
            border-bottom: 0;
        }
        .sp-asset-grid {
            grid-template-columns: 1fr;
        }
        .sp-asset-main {
            min-height: 330px;
        }
        .sp-asset-stack > div {
            min-height: 220px;
        }
        .sp-newsletter {
            flex-direction: column;
            align-items: stretch;
        }
        .sp-newsletter-form {
            flex-direction: column;
        }
        .sp-newsletter-form input {
            width: auto;
        }
    }

    .container {
        width: min(1180px, calc(100% - 40px));
        margin: 0 auto;
    }
    @media (max-width: 680px) {
        .container {
            width: min(100% - 28px, 1180px);
        }
    }

    /* ===== STERLINPRIME — Rich Elegant Surface Treatment ===== */
    :root {
        --sp-surface: #d8c9a8;
        --sp-surface-warm: #d8c9a8;
        --sp-surface-deep: #d8c9a8;
        --sp-card: #e7dcbe;
        --sp-ink: #221e18;
        --sp-slate: #6e6455;
        --sp-border: #c3b387;
        --sp-champagne: #e0a458;
    }

    /* Replace stark white sections with layered premium neutrals */
    .section-light,
    .intro-section,
    .asset-section {
        background: radial-gradient(circle at 12% 15%, rgba(196, 98, 58, 0.06), transparent 25%),
            linear-gradient(180deg, var(--sp-surface-warm) 0%, var(--sp-surface) 100%) !important;
    }

    .section-light:nth-of-type(even) {
        background: radial-gradient(circle at 85% 20%, rgba(224, 164, 88, 0.1), transparent 24%),
            linear-gradient(180deg, #dccea9 0%, #d2c29a 100%) !important;
    }

    /* Cards become warm khaki instead of clinical white */
    .card,
    .service-card,
    .asset-card,
    .opportunity-card,
    .sp-opportunity {
        background: var(--sp-card) !important;
        border-color: rgba(34, 30, 24, 0.14) !important;
    }

    /* Softer, richer borders and shadows */
    .sp-opportunity {
        box-shadow: 0 18px 45px rgba(14, 27, 25, 0.1) !important;
    }

    /* Warm premium accent */
    .premium-accent,
    .premium-detail {
        color: var(--sp-champagne) !important;
    }

    /* Give major light areas a subtle top/bottom visual separation */
    .section-light {
        border-top: 1px solid rgba(34, 30, 24, 0.06);
        border-bottom: 1px solid rgba(34, 30, 24, 0.06);
    }

    /* FAQ surface */
    .sp-faq details {
        border-bottom-color: rgba(34, 30, 24, 0.18) !important;
    }

    /* Newsletter removed; retain richer footer/CTA contrast */
    .final-cta,
    .cta-section {
        background: radial-gradient(circle at 80% 20%, rgba(196, 98, 58, 0.16), transparent 28%),
            linear-gradient(135deg, #12211e, #0e1b19) !important;
    }

    /* ============================================================
   STERLINPRIME — EMBER / MARSH / KHAKI THEME
   Simple, restrained and premium. No white anywhere.
   ============================================================ */
    :root {
        --sp-dark: #12211e;
        --sp-accent: #c4623a;
        --sp-accent-soft: #dd8657;
        --sp-stone: #d8c9a8;
        --sp-ivory: #e7dcbe;
        --sp-text: #221e18;
        --sp-muted: #6e6455;
        --sp-border: #c3b387;
    }

    /* Page */
    html,
    body {
        background: var(--sp-stone) !important;
        color: var(--sp-text) !important;
    }

    body {
        background: var(--sp-stone) !important;
    }

    /* Header */
    header,
    .navbar,
    .site-header {
        background: var(--sp-dark) !important;
        color: var(--sp-ivory) !important;
    }

    header a,
    .navbar a,
    .site-header a {
        color: var(--sp-ivory) !important;
    }

    header a:hover,
    .navbar a:hover,
    .site-header a:hover {
        color: var(--sp-accent-soft) !important;
    }

    /* Hero */
    .hero {
        background: var(--sp-dark) !important;
        color: var(--sp-ivory) !important;
    }

    .hero h1,
    .hero h2,
    .hero h3,
    .hero p {
        color: var(--sp-ivory) !important;
    }

    .hero .highlight,
    .hero .text-accent,
    .hero .eyebrow {
        color: var(--sp-accent-soft) !important;
    }

    /* Buttons */
    .btn-primary,
    .cta-button,
    .mobile-cta {
        background: var(--sp-accent) !important;
        border-color: var(--sp-accent) !important;
        color: var(--sp-ivory) !important;
        box-shadow: none !important;
    }

    .btn-primary:hover,
    .cta-button:hover,
    .mobile-cta:hover {
        background: var(--sp-accent-soft) !important;
        border-color: var(--sp-accent-soft) !important;
        color: var(--sp-dark) !important;
    }

    /* Main light sections */
    .section-light,
    .intro-section,
    .asset-section {
        background: var(--sp-stone) !important;
        color: var(--sp-text) !important;
    }

    /* Dark sections */
    .dark-section,
    .movement-section {
        background: var(--sp-dark) !important;
        color: var(--sp-ivory) !important;
    }

    .dark-section h1,
    .dark-section h2,
    .dark-section h3,
    .movement-section h1,
    .movement-section h2,
    .movement-section h3 {
        color: var(--sp-ivory) !important;
    }

    .dark-section p,
    .movement-section p {
        color: #c7bca0 !important;
    }

    /* Accent text */
    .sp-section-tag,
    .eyebrow,
    .text-accent,
    .highlight,
    .stat-accent {
        color: var(--sp-accent) !important;
    }

    .sp-section-tag::before {
        background: var(--sp-accent) !important;
    }

    /* Cards — one consistent surface */
    .card,
    .service-card,
    .asset-card,
    .opportunity-card,
    .sp-opportunity {
        background: var(--sp-ivory) !important;
        border-color: var(--sp-border) !important;
        box-shadow: 0 12px 30px rgba(18, 33, 30, 0.1) !important;
    }

    .card:hover,
    .service-card:hover,
    .asset-card:hover,
    .sp-opportunity:hover {
        box-shadow: 0 18px 40px rgba(18, 33, 30, 0.14) !important;
    }

    /* Ecosystem */
    .sp-eco-card,
    .sp-eco-card:nth-child(2),
    .sp-eco-card:nth-child(3),
    .sp-eco-card:nth-child(4) {
        background: var(--sp-dark) !important;
        border-color: rgba(224, 164, 88, 0.12) !important;
    }

    .sp-eco-number,
    .sp-eco-arrow {
        color: var(--sp-accent-soft) !important;
    }

    /* Asset imagery — neutral, not multicolored */
    .sp-asset-image,
    .sp-asset-main .sp-asset-image {
        background: linear-gradient(145deg, #33291c, #12211e) !important;
    }

    .sp-asset-label small {
        color: var(--sp-accent-soft) !important;
    }

    /* Flow */
    .sp-flow-icon {
        background: rgba(196, 98, 58, 0.12) !important;
        border-color: rgba(196, 98, 58, 0.28) !important;
        color: var(--sp-accent) !important;
    }

    .sp-flow-item:not(:last-child)::after {
        color: var(--sp-accent-soft) !important;
    }

    /* Opportunity imagery */
    .sp-op-img {
        background: linear-gradient(145deg, #33291c, #12211e) !important;
    }

    .sp-op-img::after {
        background: var(--sp-accent-soft) !important;
        color: var(--sp-dark) !important;
    }

    .sp-op-body small,
    .sp-op-link {
        color: var(--sp-accent) !important;
    }

    /* Benefits */
    .sp-benefit {
        background: rgba(224, 164, 88, 0.05) !important;
        border-color: rgba(224, 164, 88, 0.12) !important;
    }

    /* FAQ */
    .sp-faq details {
        border-bottom-color: var(--sp-border) !important;
    }

    .sp-faq summary {
        color: var(--sp-text) !important;
    }

    .sp-faq summary::after {
        color: var(--sp-accent) !important;
    }

    /* Floating hero panels */
    .sp-float {
        background: rgba(18, 33, 30, 0.94) !important;
        border-color: rgba(224, 164, 88, 0.14) !important;
    }

    .sp-float small {
        color: #b2a98f !important;
    }

    .sp-float strong {
        color: var(--sp-ivory) !important;
    }

    /* Hero vehicle */
    .sp-vehicle {
        background: linear-gradient(145deg, #e7dcbe, #c3b387) !important;
    }

    .sp-vehicle::before {
        color: var(--sp-dark) !important;
    }

    .sp-vehicle::after {
        background: var(--sp-dark) !important;
        box-shadow: -245px 0 0 var(--sp-dark) !important;
    }

    /* Footer */
    .footer {
        background: var(--sp-dark) !important;
        color: var(--sp-ivory) !important;
    }

    .footer a {
        color: #c7bca0 !important;
    }

    .footer a:hover {
        color: var(--sp-accent-soft) !important;
    }

    /* Mobile menu */
    .mobile-menu {
        background: var(--sp-dark) !important;
    }

    .mobile-menu a {
        color: var(--sp-ivory) !important;
    }

    .mobile-menu a:hover {
        color: var(--sp-accent-soft) !important;
    }

    .premium-accent,
    .premium-detail {
        color: var(--sp-accent-soft) !important;
    }

    ::selection {
        background: var(--sp-accent) !important;
        color: var(--sp-ivory) !important;
    }

    /* STERLINPRIME — Marsh-Dark Hero Only */
    .hero {
        background: radial-gradient(circle at 78% 18%, rgba(196, 98, 58, 0.2), transparent 28%),
            linear-gradient(135deg, #0e1b19 0%, #17302a 100%) !important;
        color: #e7dcbe !important;
    }
    .hero h1,
    .hero h2,
    .hero h3,
    .hero p {
        color: #e7dcbe !important;
    }
    .hero .highlight,
    .hero .text-accent,
    .hero .eyebrow {
        color: #e0a458 !important;
    }
    .hero .btn-primary,
    .hero .cta-button {
        background: #c4623a !important;
        border-color: #c4623a !important;
        color: #e7dcbe !important;
    }
    .hero .btn-primary:hover,
    .hero .cta-button:hover {
        background: #dd8657 !important;
        border-color: #dd8657 !important;
        color: #0e1b19 !important;
    }
    .hero .sp-float {
        background: rgba(14, 27, 25, 0.92) !important;
        border-color: rgba(224, 164, 88, 0.14) !important;
    }
    .hero .sp-float small {
        color: #b2a98f !important;
    }
    .hero .sp-float strong {
        color: #e7dcbe !important;
    }
    .hero .sp-vehicle {
        background: linear-gradient(145deg, #e7dcbe, #c3b387) !important;
    }
    .hero .sp-vehicle::before {
        color: #0e1b19 !important;
    }
    .hero .sp-vehicle::after {
        background: #0e1b19 !important;
        box-shadow: -245px 0 0 #0e1b19 !important;
    }

    /* ============================================================
   STERLINPRIME — MOBILE-FIRST RESPONSIVE POLISH
   ============================================================ */

    html {
        overflow-x: hidden;
        width: 100%;
    }

    body {
        overflow-x: hidden;
        width: 100%;
    }

    img,
    svg,
    video {
        max-width: 100%;
        height: auto;
    }

    .container {
        width: min(1180px, calc(100% - 40px));
        margin-inline: auto;
    }

    /* Prevent long text and controls from forcing horizontal overflow */
    h1,
    h2,
    h3,
    h4,
    p,
    a,
    button,
    input {
        overflow-wrap: break-word;
    }

    button,
    a {
        -webkit-tap-highlight-color: transparent;
    }

    /* Hero */
    .hero {
        overflow: hidden;
    }

    .hero .container {
        position: relative;
        z-index: 2;
    }

    .sp-hero-grid {
        width: 100%;
    }

    .sp-hero-visual {
        width: 100%;
        max-width: 620px;
        margin-inline: auto;
    }

    .sp-vehicle {
        max-width: 68%;
    }

    /* Ecosystem / cards */
    .sp-eco-card,
    .sp-opportunity,
    .sp-asset-main,
    .sp-asset-stack > div {
        min-width: 0;
    }

    .sp-opportunity {
        height: 100%;
    }

    .sp-op-body {
        height: auto;
    }

    /* Flow */
    .sp-flow {
        width: 100%;
    }

    /* ============================================================
   TABLET
   ============================================================ */
    @media (max-width: 1024px) {
        .container {
            width: min(100% - 36px, 900px);
        }

        .sp-hero-grid {
            grid-template-columns: 1fr;
            gap: 42px;
        }

        .sp-hero-visual {
            min-height: 440px;
        }

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

        .sp-asset-grid {
            grid-template-columns: 1fr;
        }

        .sp-asset-main {
            min-height: 380px;
        }

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

        .sp-asset-stack > div {
            min-height: 260px;
        }

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

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

        .sp-newsletter {
            flex-direction: column;
            align-items: stretch;
        }
    }

    /* ============================================================
   PHONE
   ============================================================ */
    @media (max-width: 767px) {
        .container {
            width: calc(100% - 30px);
        }

        /* General section spacing */
        section {
            scroll-margin-top: 80px;
        }

        .section-light,
        .dark-section,
        .movement-section {
            padding-top: 70px !important;
            padding-bottom: 70px !important;
        }

        /* Hero */
        .hero {
            min-height: auto;
        }

        .hero .container {
            padding-top: 12px;
        }

        /* Center hero text on mobile */
        .hero-grid > div:first-child {
            text-align: center;
        }

        .hero .eyebrow,
        .hero .trustline {
            text-align: center;
        }

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

        /* Stack and center Why STERLINPRIME section on mobile */
        .sp-why-grid {
            grid-template-columns: 1fr;
            gap: 30px;
            text-align: center;
        }

        .sp-why-grid .sp-benefit {
            text-align: center;
        }

        /* Center Featured Opportunities section intro on mobile */
        #opportunities > .container > div:first-child {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .sp-op-body {
            text-align: center;
        }

        /* Center about section text on mobile */
        .about-grid > div:last-child {
            text-align: center;
        }

        .about-grid .section-head {
            margin-left: auto;
            margin-right: auto;
        }

        .about-grid .check {
            justify-content: center;
        }

        /* Center how-it-works steps on mobile */
        .steps {
            text-align: center;
        }

        .step-num {
            display: block;
        }

        /* Center transparency section text on mobile */
        .trans > div:first-child {
            text-align: center;
        }

        .trans .section-head {
            margin-left: auto;
            margin-right: auto;
        }

        .disclosures {
            text-align: center;
        }

        /* Center entire STERLINPRIME Model section on mobile */
        .movement-section {
            text-align: center;
        }

        .movement-section > .container > div:first-child {
            margin-left: auto;
            margin-right: auto;
        }

        /* Flow steps: switch from left-aligned icon+label rows to centered stack */
        .movement-section .sp-flow-item {
            grid-template-columns: 1fr;
            justify-items: center;
            gap: 10px;
        }

        /* Benefit cards */
        .movement-section .sp-benefit {
            text-align: center;
        }

        /* Center ecosystem section text on mobile */
        #services > .container > div:first-child {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        .sp-eco-card {
            text-align: center;
        }

        /* Center asset network section header on mobile */
        .sp-header-row {
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .sp-header-row > div {
            width: 100%;
        }

        .sp-header-row p {
            margin-left: auto;
            margin-right: auto;
        }

        .hero h1 {
            font-size: clamp(36px, 10vw, 54px) !important;
            line-height: 1.04 !important;
            letter-spacing: -1.5px;
        }

        .hero h2 {
            font-size: clamp(28px, 7.5vw, 40px) !important;
            line-height: 1.12 !important;
        }

        .hero p {
            font-size: 15px !important;
            line-height: 1.7 !important;
        }

        .hero .btn-primary,
        .hero .cta-button,
        .hero .btn-secondary,
        .hero .btn-outline {
            min-height: 48px;
            width: 100%;
        }

        .sp-hero-grid {
            gap: 34px;
        }

        .sp-hero-visual {
            min-height: 320px;
            border-radius: 22px;
        }

        .sp-road {
            height: 120px;
            bottom: 42px;
        }

        .sp-vehicle {
            left: 12%;
            bottom: 65px;
            width: 76%;
            height: 92px;
            border-radius: 24px 30px 14px 14px;
        }

        .sp-vehicle::before {
            font-size: 9px;
            letter-spacing: 1px;
        }

        .sp-vehicle::after {
            width: 48px;
            height: 48px;
            right: -18px;
            bottom: -10px;
            box-shadow: -150px 0 0 #0e1b19 !important;
        }

        .sp-float {
            padding: 10px 12px;
            border-radius: 12px;
            max-width: 145px;
        }

        .sp-float small {
            font-size: 9px;
            margin-bottom: 3px;
        }

        .sp-float strong {
            font-size: 12px;
            line-height: 1.25;
        }

        .sp-float.one {
            top: 16px;
            right: 14px;
        }

        .sp-float.two {
            left: 14px;
            bottom: 14px;
        }

        .sp-float.three {
            right: 14px;
            bottom: 29%;
        }

        /* Section headings */
        .section-light h2,
        .movement-section h2,
        .dark-section h2 {
            font-size: clamp(30px, 8vw, 40px) !important;
            line-height: 1.12 !important;
        }

        .section-light h3,
        .movement-section h3,
        .dark-section h3 {
            line-height: 1.2;
        }

        /* Ecosystem */
        .sp-ecosystem {
            grid-template-columns: 1fr;
            gap: 14px;
        }

        .sp-eco-card {
            min-height: 210px;
            padding: 24px;
        }

        .sp-eco-card h3 {
            margin-top: 55px;
            font-size: 21px;
        }

        /* Asset showcase */
        .sp-asset-grid {
            grid-template-columns: 1fr;
            gap: 14px;
        }

        .sp-asset-main {
            min-height: 300px;
        }

        .sp-asset-stack {
            grid-template-columns: 1fr;
            gap: 14px;
        }

        .sp-asset-stack > div {
            min-height: 230px;
        }

        .sp-asset-label {
            left: 20px;
            right: 20px;
            bottom: 18px;
        }

        .sp-asset-label h3 {
            font-size: 23px !important;
        }

        /* Opportunities */
        .sp-opportunities {
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .sp-op-img {
            height: 180px;
        }

        .sp-op-body {
            padding: 20px;
        }

        /* Benefits */
        .sp-benefit-grid {
            grid-template-columns: 1fr;
            gap: 12px;
        }

        .sp-benefit {
            padding: 20px;
        }

        /* Model flow */
        .sp-flow {
            grid-template-columns: 1fr;
            gap: 12px;
        }

        .sp-flow-item {
            display: grid;
            grid-template-columns: 58px 1fr;
            align-items: center;
            text-align: left;
            gap: 16px;
            padding: 12px 0;
        }

        .sp-flow-icon {
            width: 58px;
            height: 58px;
            margin: 0;
            border-radius: 15px;
        }

        .sp-flow-item:not(:last-child)::after {
            display: none;
        }

        /* FAQ if ever re-enabled */
        .sp-faq {
            width: 100%;
        }

        .sp-faq details {
            padding: 17px 0;
        }

        .sp-faq summary {
            gap: 20px;
            font-size: 15px;
        }

        /* Newsletter if ever re-enabled */
        .sp-newsletter {
            padding: 24px;
            margin-top: 35px;
        }

        .sp-newsletter-form {
            flex-direction: column;
        }

        .sp-newsletter-form input {
            width: 100%;
            box-sizing: border-box;
        }
    }

    /* ============================================================
   SMALL PHONES
   ============================================================ */
    @media (max-width: 479px) {
        .container {
            width: calc(100% - 24px);
        }

        .section-light,
        .dark-section,
        .movement-section {
            padding-top: 58px !important;
            padding-bottom: 58px !important;
        }

        .sp-section-tag {
            font-size: 10px;
            letter-spacing: 1.4px;
        }

        .sp-hero-visual {
            min-height: 285px;
            border-radius: 18px;
        }

        .sp-float {
            transform: scale(0.92);
            transform-origin: center;
        }

        .sp-float.one {
            right: 7px;
            top: 10px;
        }

        .sp-float.two {
            left: 7px;
            bottom: 8px;
        }

        .sp-float.three {
            right: 7px;
            bottom: 30%;
        }

        .sp-vehicle {
            left: 10%;
            width: 80%;
            bottom: 58px;
        }

        .sp-eco-card {
            min-height: 190px;
            padding: 20px;
        }

        .sp-asset-main {
            min-height: 270px;
        }

        .sp-asset-stack > div {
            min-height: 205px;
        }

        .sp-op-img {
            height: 155px;
        }
    }

    /* ============================================================
   EXTRA-SMALL PHONES
   ============================================================ */
    @media (max-width: 359px) {
        .container {
            width: calc(100% - 20px);
        }

        .hero h1 {
            font-size: 34px !important;
        }

        .sp-hero-visual {
            min-height: 260px;
        }

        .sp-float strong {
            font-size: 10px;
        }

        .sp-float {
            padding: 8px 10px;
            max-width: 125px;
        }
    }

    /* ============================================================
   FIXED NAVBAR
   The nav now lives in its own full-width bar, separate from
   the hero, so it stays pinned to the top on scroll.
   ============================================================ */
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1001;
        background: rgba(14, 27, 25, 0.82);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        border-bottom: 1px solid rgba(224, 164, 88, 0.12);
        transition:
            background 0.25s ease,
            box-shadow 0.25s ease;
    }
    .navbar.scrolled {
        background: rgba(10, 20, 18, 0.97);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    }
    /* push all page content down by the navbar's height so nothing
   is hidden underneath it */
    body {
        padding-top: 78px;
    }
    /* anchor links (e.g. #about) should stop below the fixed bar,
   not directly under it */
    section,
    header {
        scroll-margin-top: 78px;
    }
    @media (max-width: 620px) {
        body {
            padding-top: 68px;
        }
        section,
        header {
            scroll-margin-top: 68px;
        }
    }

    /* ============================================================
   FINAL WHITE-BACKGROUND CLEANUP
   Catches the remaining literal #fff / near-white spots from the
   base stylesheet that earlier theme layers didn't target, and
   unifies everything to the ember/marsh/khaki palette above.
   ============================================================ */
    :root {
        --navy: #12211e;
        --deep: #0e1b19;
        --gold: #c4623a;
        --gold2: #dd8657;
        --ink: #221e18;
        --muted: #6e6455;
        --bg: #d8c9a8;
        --line: #c3b387;
        --green: #3f6b4e;
    }
    .stats {
        background: #dccea9 !important;
        border-bottom: 1px solid #c3b387 !important;
    }
    .opp {
        background: #e7dcbe !important;
    }
    .asset {
        background: rgba(18, 33, 30, 0.92) !important;
        color: #e7dcbe !important;
    }
    .asset small {
        color: #b2a98f !important;
    }
    .van {
        background: #c3b387 !important;
    }
    .van:before {
        color: #12211e !important;
    }
    .van:after {
        background: #3a2e1f !important;
    }
    .wheel {
        background: #0e1b19 !important;
        border-color: #6e6455 !important;
    }
    .about-img:after {
        background: #c3b387 !important;
    }
    .icon {
        background: rgba(196, 98, 58, 0.1) !important;
        color: #c4623a !important;
    }
    .about-img {
        isolation: isolate;
    }
    .about-img img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        z-index: 0;
        transition: transform 0.6s cubic-bezier(0.16, 0.84, 0.44, 1);
    }
    .about-img:hover img {
        transform: scale(1.05);
    }
    .about-img:before,
    .about-img:after {
        z-index: 2;
    }
    .about-img:before {
        background: linear-gradient(0deg, rgba(18, 33, 30, 0.85), transparent 65%);
        inset: auto 0 0 0;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        padding: 24px 28px;
        box-sizing: border-box;
    }

    .sp-asset-image {
        isolation: isolate;
    }
    .sp-asset-image img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        z-index: 0;
        transition: transform 0.6s cubic-bezier(0.16, 0.84, 0.44, 1);
    }
    .sp-asset-main:hover .sp-asset-image img {
        transform: scale(1.05);
    }

    .sp-op-img {
        isolation: isolate;
    }
    .sp-op-img img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        z-index: 0;
        transition: transform 0.5s cubic-bezier(0.16, 0.84, 0.44, 1);
    }
    .sp-op-img::after {
        z-index: 2;
    }
    
    .sp-header-row {
    display: flex;
    justify-content: space-between;
    align-items: end;
    }

    /* ============================================================
   INTERACTIVE FX LAYER — scroll reveals, tilt, ripple, shimmer
   ============================================================ */
    #sp-progress {
        position: fixed;
        top: 0;
        left: 0;
        height: 3px;
        width: 0%;
        z-index: 2000;
        background: linear-gradient(90deg, #c4623a, #e0a458);
        box-shadow: 0 0 12px rgba(224, 164, 88, 0.6);
        transition: width 0.1s linear;
    }

    .js-reveal {
        opacity: 0;
        transform: translateY(30px);
        transition:
            opacity 0.8s cubic-bezier(0.16, 0.84, 0.44, 1),
            transform 0.8s cubic-bezier(0.16, 0.84, 0.44, 1);
    }
    .js-reveal.is-visible {
        opacity: 1;
        transform: none;
    }
    .js-reveal-stagger.is-visible {
        transition-delay: calc(var(--stagger, 0) * 90ms);
    }

    .tilt-card {
        will-change: transform;
        transition:
            transform 0.35s cubic-bezier(0.16, 0.84, 0.44, 1),
            box-shadow 0.35s ease;
    }

    .btn {
        position: relative;
        overflow: hidden;
    }
    .btn .sp-ripple {
        position: absolute;
        border-radius: 50%;
        transform: scale(0);
        animation: sp-ripple-anim 0.6s ease-out forwards;
        background: rgba(255, 255, 255, 0.45);
        pointer-events: none;
    }
    @keyframes sp-ripple-anim {
        to {
            transform: scale(2.6);
            opacity: 0;
        }
    }

    .hero h1 {
        background: linear-gradient(100deg, #e7dcbe 30%, #e0a458 45%, #c4623a 52%, #e7dcbe 65%);
        background-size: 250% 100%;
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        animation: sp-shimmer 7s ease-in-out infinite;
    }
    @keyframes sp-shimmer {
        0% {
            background-position: 0% 0;
        }
        50% {
            background-position: 100% 0;
        }
        100% {
            background-position: 0% 0;
        }
    }

    .asset {
        animation: sp-bob 5s ease-in-out infinite;
    }
    .a1 {
        animation-delay: 0.2s;
    }
    .a2 {
        animation-delay: 1.1s;
    }
    .a3 {
        animation-delay: 0.6s;
    }
    @keyframes sp-bob {
        0%,
        100% {
            transform: translateY(0);
        }
        50% {
            transform: translateY(-9px);
        }
    }

    .sp-eco-arrow {
        transition: transform 0.35s ease;
    }
    .sp-eco-card:hover .sp-eco-arrow {
        transform: translate(4px, -4px) scale(1.15);
    }

    .icon {
        transition:
            transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
            background 0.3s ease;
    }
    .visual {
        transition: transform 0.25s ease-out;
    }
    .card:hover .icon {
        transform: rotate(-8deg) scale(1.12);
        background: rgba(196, 98, 58, 0.18) !important;
    }

    .stat strong {
        position: relative;
    }
    .stat {
        transition: transform 0.3s ease;
    }
    .stat:hover {
        transform: translateY(-3px);
    }

    .sp-op-img,
    .opp-img {
        transition: transform 0.5s cubic-bezier(0.16, 0.84, 0.44, 1);
    }
    .sp-opportunity:hover .sp-op-img,
    .opp:hover .opp-img {
        transform: scale(1.06);
    }
    .opp {
        transition:
            transform 0.35s ease,
            box-shadow 0.35s ease;
    }
    .opp:hover {
        transform: translateY(-5px);
        box-shadow: 0 18px 40px rgba(18, 33, 30, 0.15);
    }

    @media (prefers-reduced-motion: reduce) {
        .js-reveal {
            opacity: 1 !important;
            transform: none !important;
            transition: none !important;
        }
        .hero h1 {
            animation: none;
            background: none;
            -webkit-background-clip: initial;
            background-clip: initial;
            color: #e7dcbe;
        }
        .asset {
            animation: none;
        }
    }