body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #111;
    color: white;
    text-align: center;
}


/* =========================
   HEADER / NAV
========================= */

.site-header {
    min-height: 90px;
    padding: 0 35px;

    background: #080b1a;

    display: grid;
    grid-template-columns: auto 1fr auto auto;
    align-items: center;
    gap: 25px;

    box-sizing: border-box;
}

.header-logo {
    justify-self: start;
}

.header-logo img {
    display: block;
    width: 150px;
    height: auto;
}

.desktop-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
}

.desktop-nav a {
    color: white;
    text-decoration: none;
    font-size: 15px;
    font-weight: bold;
}

.desktop-nav a:hover {
    color: #ffd900;
}

.header-phone {
    justify-self: end;
    color: white;
    font-size: 20px;
    text-decoration: none;
    white-space: nowrap;
}

.menu-toggle {
    display: none;
    background: none;
    border: 0;
    color: white;
    font-size: 30px;
    cursor: pointer;
}

.mobile-nav {
    display: none;
    background: #080b1a;
    border-top: 1px solid #333;
}

.mobile-nav a {
    display: block;
    padding: 15px 20px;

    color: white;
    text-decoration: none;
    font-weight: bold;

    border-bottom: 1px solid #222;
}

.mobile-nav a:hover {
    color: #ffd900;
}

.mobile-nav.open {
    display: block;
}


/* =========================
   HERO
========================= */

.hero {
    height: 650px;

    background:
        linear-gradient(rgba(0,0,0,.35), rgba(0,0,0,.55)),
        url("images/main-image.jpeg") center center / cover no-repeat;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 30px;
    box-sizing: border-box;
}

.hero-title {
    background: rgba(0, 0, 0, 0.20);
    color: white;

    padding: 18px 28px;

    font-size: 30px;
    font-weight: bold;
    line-height: 1.35;

    text-align: center;
}


/* =========================
   SYSTEM INTRO
========================= */

.system-intro {
    background: #111;
    color: white;
    padding: 55px 20px;
}

.system-intro-inner {
    max-width: 1050px;
    margin: 0 auto;
}

.system-intro h2 {
    margin: 0 0 22px;

    color: #ffd900;

    font-size: 30px;
}

.system-intro p {
    max-width: 850px;
    margin: 0 auto 18px;

    font-size: 17px;
    line-height: 1.65;
}

.intro-points {
    margin-top: 35px;

    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.intro-points div {
    padding: 25px 20px;

    background: #1c1c1c;

    border-bottom: 4px solid #ffd900;
}

.intro-points strong {
    display: block;

    margin-bottom: 10px;

    color: #ffd900;

    font-size: 17px;
}

.intro-points span {
    display: block;
    line-height: 1.5;
}


/* =========================
   EQUIPMENT
========================= */

.equipment-section {
    background: #f2f2f2;
    color: #111;

    padding: 60px 20px;
}

.equipment-section h2 {
    margin: 0 0 40px;

    font-size: 32px;
    font-weight: 800;
}

.equipment-grid {
    max-width: 1100px;
    margin: 0 auto;

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

.equipment-card {
    background: #fff;

    border-radius: 8px;
    border-bottom: 5px solid #ffd900;

    overflow: hidden;

    box-shadow: 0 5px 20px rgba(0,0,0,.15);
}

.equipment-card img {
    display: block;

    width: 100%;
    height: 340px;

    object-fit: contain;

    background: #111;
}

.equipment-card h3 {
    margin: 0;

    padding: 20px 20px 8px;

    font-size: 23px;
    font-weight: 800;
}

.equipment-card p {
    margin: 0;

    padding: 0 20px 24px;

    font-size: 16px;
    line-height: 1.55;

    color: #444;
}

   
    /* =========================
   SYSTEM DESIGN
========================= */

.system-design {
    background: #080b1a;
    color: white;
    padding: 60px 20px;
}

.system-design-inner {
    max-width: 900px;
    margin: 0 auto;
}

.system-design h2 {
    margin: 0 0 25px;
    color: #ffd900;
    font-size: 30px;
}

.system-design p {
    margin: 0 auto 20px;
    font-size: 17px;
    line-height: 1.7;
}

.system-design-highlight {
    margin-top: 30px !important;
    padding: 22px;

    background: #1c1c1c;
    border-left: 5px solid #ffd900;

    font-size: 18px !important;
    font-weight: bold;
}

/* =========================
   PACKAGE
========================= */

.package-section {
    background: #fff;
    color: #111;
    padding: 60px 20px;
}

.package-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.package-section h2 {
    margin: 0 0 18px;
    font-size: 30px;
    font-weight: 800;
}

.package-lead {
    max-width: 850px;
    margin: 0 auto 35px;
    font-size: 17px;
    line-height: 1.6;
    color: #444;
}

.package-main-image {
    display: block;
    width: 100%;
    height: auto;
    margin-bottom: 35px;
}

.package-content {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 35px;
    text-align: left;
}

.package-list,
.package-support {
    background: #f3f3f3;
    padding: 30px;
    border-bottom: 5px solid #ffd900;
    box-sizing: border-box;
}

.package-content h3 {
    margin: 0 0 20px;
    font-size: 23px;
}

.package-content ul {
    margin: 0;
    padding-left: 22px;
}

.package-content li {
    margin-bottom: 9px;
    line-height: 1.4;
}

.package-support img {
    display: block;
    width: 100%;
    height: auto;
    margin-bottom: 25px;
}

.software-section {
    background: #111;
    color: white;
    padding: 60px 20px;
}

.software-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.software-section h2 {
    margin: 0 0 35px;
    color: #ffd900;
    font-size: 30px;
}

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

.software-card {
    background: #1c1c1c;
    padding: 20px;
    border-bottom: 5px solid #ffd900;
}

.software-card img {
    width: 100%;
    height: 420px;
    object-fit: contain;
    display: block;
    background: #080808;
}

.software-card h3 {
    margin: 20px 0 10px;
    font-size: 23px;
    color: #ffd900;
}

.software-card p {
    margin: 0 0 15px;
    line-height: 1.6;
}

/* =========================
   HOW THE SYSTEM WORKS
========================= */

.how-system-works {
    background: #f2f2f2;
    color: #111;
    padding: 60px 20px;
}

.how-system-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.how-system-works h2 {
    margin: 0 0 18px;
    font-size: 30px;
    font-weight: 800;
}

.how-system-lead {
    max-width: 850px;
    margin: 0 auto 35px;
    font-size: 17px;
    line-height: 1.65;
    color: #444;
}

.how-system-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
    text-align: left;
}

.how-system-card {
    background: #fff;
    padding: 25px;
    border-bottom: 5px solid #ffd900;
    box-shadow: 0 4px 15px rgba(0,0,0,.10);
    box-sizing: border-box;
}

.how-system-card h3 {
    margin: 0 0 14px;
    font-size: 21px;
}

.how-system-card p {
    margin: 0 0 14px;
    font-size: 16px;
    line-height: 1.6;
    color: #444;
}

.how-system-card p:last-child {
    margin-bottom: 0;
}

.how-system-wide {
    grid-column: 1 / -1;
}

/* =========================
   FOOTER
========================= */

.site-footer {
    background: #161d2b;
    color: white;
    padding: 45px 20px 20px;
    border-top: 4px solid #ffd900;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.footer-brand strong {
    display: block;
    color: #ffd900;
    font-size: 20px;
    margin-bottom: 6px;
}

.footer-brand span {
    font-size: 15px;
}

.footer-links {
    margin: 25px 0;
}

.footer-links a {
    display: inline-block;
    margin: 5px 12px;
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.footer-links a:hover {
    color: #ffd900;
}

.footer-contact a {
    color: #ffd900;
    font-size: 20px;
    font-weight: bold;
    text-decoration: none;
}

.footer-contact span {
    display: block;
    margin-top: 8px;
}

.footer-bottom {
    margin-top: 30px;
    padding-top: 18px;
    border-top: 1px solid #333;
    font-size: 13px;
    color: #aaa;
}

/* =========================
   MOBILE
========================= */

@media (max-width: 700px) {

    /* MOBILE HEADER / NAV */

    .site-header {
        min-height: 70px;
        padding: 0 12px;
        grid-template-columns: auto 1fr auto;
        gap: 10px;
    }

    .header-logo img {
        width: 110px;
    }

    .desktop-nav {
        display: none;
    }

    .header-phone {
        justify-self: end;
        font-size: 16px;
    }

    .menu-toggle {
        display: block;
        justify-self: end;
    }


    /* HERO */

    .hero {
        height: 520px;
        padding: 0;
    }

    .hero-title {
        width: 100%;
        padding: 12px 10px;

        font-size: 19px;
        line-height: 1.3;

        box-sizing: border-box;
    }


    /* SYSTEM INTRO */

    .system-intro {
        padding: 35px 16px;
    }

    .system-intro h2 {
        font-size: 23px;
        line-height: 1.3;
    }

    .system-intro p {
        font-size: 16px;
    }

    .intro-points {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .intro-points div {
        padding: 20px 16px;
    }


    /* EQUIPMENT */

    .equipment-section {
        padding: 35px 12px;
    }

    .equipment-section h2 {
        margin-bottom: 25px;

        font-size: 24px;
        line-height: 1.25;
    }

    .equipment-grid {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .equipment-card img {
        width: 100%;
        height: auto;
        object-fit: contain;
    }

    .equipment-card h3 {
        font-size: 21px;
    }

    .equipment-card p {
        font-size: 15px;
    }


    /* SYSTEM DESIGN */

    .system-design {
        padding: 40px 16px;
    }

    .system-design h2 {
        font-size: 23px;
        line-height: 1.3;
    }

    .system-design p {
        font-size: 16px;
    }

    .system-design-highlight {
        padding: 18px;
        font-size: 16px !important;
    }


    /* PACKAGE */

    .package-section {
        padding: 35px 12px;
    }

    .package-section h2 {
        font-size: 23px;
        line-height: 1.3;
    }

    .package-lead {
        font-size: 16px;
    }

    .package-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .package-list,
    .package-support {
        padding: 22px 18px;
    }

    .package-content h3 {
        font-size: 21px;
    }


    /* SOFTWARE SECTION */

    .software-section {
        padding: 35px 12px;
    }

    .software-section h2 {
        font-size: 23px;
        line-height: 1.3;
    }


    /* DESKTOP SOFTWARE DISPLAYED ON MOBILE */

    .desktop-software {
        margin-bottom: 40px;
    }

    .desktop-software > h2 {
        font-size: 23px;
        line-height: 1.3;
    }

    .desktop-software > p {
        font-size: 16px;
    }

    .desktop-main {
        display: block;
        width: 100%;
        height: auto;

        margin: 0 0 20px;
    }

    .desktop-visuals {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .desktop-visuals > div {
        width: 100%;
        padding: 12px;

        box-sizing: border-box;
    }

    .desktop-visuals img {
        display: block;

        width: 100%;
        height: auto;

        margin: 0;
    }

    .desktop-visuals h3 {
        margin: 10px 0 8px;
        font-size: 20px;
    }

    .desktop-visuals p {
        margin: 0;
        font-size: 15px;
        line-height: 1.5;
    }

    .desktop-software-note {
        padding: 16px;
        font-size: 16px;
    }


    /* FIELD / MOBILE SOFTWARE */

    .software-grid {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .software-card {
        padding: 16px;
    }

    .software-card img {
        display: block;

        width: 100%;
        height: auto;

        margin: 0;
    }

    .software-card h3 {
        font-size: 21px;
    }

    .software-card p {
        font-size: 15px;
    }
.how-system-works {
    padding: 35px 12px;
}

.how-system-works h2 {
    font-size: 23px;
    line-height: 1.3;
}

.how-system-lead {
    font-size: 16px;
}

.how-system-grid {
    grid-template-columns: 1fr;
    gap: 16px;
}

.how-system-card,
.how-system-wide {
    grid-column: auto;
    padding: 20px 16px;
}

.how-system-card h3 {
    font-size: 20px;
}

.how-system-card p {
    font-size: 15px;
}
}