/* =========================================
   RESET
========================================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family:
        "Segoe UI",
        Arial,
        sans-serif;

    color: #172033;
    background: #ffffff;
    line-height: 1.6;
}

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

img {
    max-width: 100%;
}


/* =========================================
   VARIABLES
========================================= */

:root {

    --primary: #0b4f9c;
    --primary-dark: #083b75;

    --accent: #16a085;

    --dark: #101828;
    --text: #4b5563;
    --light-text: #667085;

    --light-bg: #f5f8fc;
    --border: #e5eaf1;

    --white: #ffffff;

    --container: 1180px;

    --shadow:
        0 12px 35px rgba(15, 40, 70, 0.08);

}


/* =========================================
   CONTAINER
========================================= */

.container {
    width: min(
        calc(100% - 40px),
        var(--container)
    );

    margin: auto;
}


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

.header {

    position: sticky;
    top: 0;
    z-index: 1000;

    background: rgba(255,255,255,0.96);

    border-bottom:
        1px solid var(--border);

    backdrop-filter: blur(10px);
}

.nav-container {

    min-height: 78px;

    display: flex;
    align-items: center;
    justify-content: space-between;
}


/* LOGO */

.logo {

    display: flex;
    flex-direction: column;

    line-height: 1.1;
}

.logo-main {

    font-size: 25px;
    font-weight: 800;

    color: var(--primary);
}

.logo-sub {

    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;

    color: var(--light-text);
}


/* NAV */

.navbar {

    display: flex;
    align-items: center;
    gap: 28px;
}

.navbar > a {

    font-size: 14px;
    font-weight: 600;

    color: #344054;

    transition: 0.25s;
}

.navbar > a:hover {

    color: var(--primary);
}

.nav-button {

    padding:
        11px 20px;

    border-radius: 7px;

    color: white !important;

    background:
        var(--primary);
}

.nav-button:hover {

    background:
        var(--primary-dark);
}


/* MOBILE MENU */

.menu-toggle {

    display: none;

    border: 0;
    background: transparent;

    font-size: 28px;

    cursor: pointer;

    color: var(--dark);
}


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

.hero {

    background:
        linear-gradient(
            135deg,
            #f5f9ff,
            #ffffff
        );

    padding:
        100px 0 90px;

    overflow: hidden;
}

.hero-grid {

    display: grid;

    grid-template-columns:
        1.1fr 0.9fr;

    align-items: center;

    gap: 70px;
}

.hero-badge {

    display: inline-block;

    padding:
        7px 13px;

    border-radius: 30px;

    background: #eaf3ff;

    color: var(--primary);

    font-size: 11px;

    font-weight: 800;

    letter-spacing: 1px;

    margin-bottom: 22px;
}

.hero h1 {

    font-size:
        clamp(42px, 5vw, 66px);

    line-height: 1.08;

    letter-spacing: -2px;

    color: var(--dark);

    margin-bottom: 25px;
}

.hero h1 span {

    color: var(--primary);
}

.hero-text {

    max-width: 650px;

    font-size: 18px;

    color: var(--text);

    margin-bottom: 32px;
}


/* BUTTONS */

.hero-buttons {

    display: flex;

    gap: 14px;

    flex-wrap: wrap;
}

.btn {

    display: inline-flex;

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

    padding:
        14px 24px;

    border-radius: 7px;

    font-size: 14px;

    font-weight: 700;

    transition:
        transform 0.2s,
        box-shadow 0.2s,
        background 0.2s;
}

.btn:hover {

    transform:
        translateY(-2px);
}

.btn-primary {

    background:
        var(--primary);

    color:
        white;

    box-shadow:
        0 8px 20px
        rgba(11,79,156,0.20);
}

.btn-primary:hover {

    background:
        var(--primary-dark);
}

.btn-secondary {

    border:
        1px solid #cbd5e1;

    color:
        var(--dark);

    background:
        white;
}

.btn-secondary:hover {

    border-color:
        var(--primary);

    color:
        var(--primary);
}


/* HERO FEATURES */

.hero-features {

    display: flex;

    gap: 30px;

    margin-top: 45px;

    flex-wrap: wrap;
}

.hero-features div {

    display: flex;

    flex-direction: column;
}

.hero-features strong {

    font-size: 20px;

    color:
        var(--dark);
}

.hero-features span {

    font-size: 12px;

    color:
        var(--light-text);
}


/* HERO CARD */

.hero-visual {

    position: relative;

    display: flex;

    justify-content: center;
}

.hero-visual::before {

    content: "";

    position: absolute;

    width: 330px;
    height: 330px;

    border-radius: 50%;

    background:
        #e8f2ff;

    z-index: 0;
}

.engineering-card {

    position: relative;

    z-index: 1;

    width: 100%;
    max-width: 390px;

    padding: 28px;

    border-radius: 15px;

    background:
        white;

    box-shadow:
        0 25px 70px
        rgba(18,55,90,0.14);

    border:
        1px solid #e7edf5;
}

.card-header {

    display: flex;

    align-items: center;

    gap: 10px;

    font-size: 14px;

    font-weight: 800;

    padding-bottom: 20px;

    border-bottom:
        1px solid var(--border);

    margin-bottom: 5px;
}

.status-dot {

    width: 9px;
    height: 9px;

    border-radius: 50%;

    background:
        #16a085;
}

.engineering-line {

    display: flex;

    justify-content: space-between;

    align-items: center;

    padding:
        14px 0;

    border-bottom:
        1px solid #f0f2f5;

    font-size: 14px;
}

.engineering-line b {

    color:
        var(--accent);
}


/* =========================================
   TRUST BAR
========================================= */

.trust-bar {

    background:
        var(--dark);

    color:
        white;

    padding:
        28px 0;
}

.trust-grid {

    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    gap: 20px;

    text-align: center;
}

.trust-grid div {

    display: flex;

    flex-direction: column;
}

.trust-grid strong {

    font-size: 20px;
}

.trust-grid span {

    color: #aab5c5;

    font-size: 12px;
}


/* =========================================
   SECTIONS
========================================= */

.section {

    padding:
        100px 0;
}

.section-heading {

    max-width: 700px;

    margin:
        0 auto 55px;

    text-align: center;
}

.section-label {

    display: inline-block;

    color:
        var(--primary);

    font-size: 11px;

    font-weight: 800;

    letter-spacing: 1.5px;

    margin-bottom: 13px;
}

.section-heading h2,
.about-content h2,
.contact-section h2 {

    font-size:
        clamp(32px, 4vw, 45px);

    line-height: 1.15;

    letter-spacing: -1px;

    color:
        var(--dark);

    margin-bottom: 18px;
}

.section-heading p {

    color:
        var(--text);

    font-size: 16px;
}


/* =========================================
   SERVICES
========================================= */

.services-grid {

    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 22px;
}

.service-card {

    padding:
        30px;

    border:
        1px solid var(--border);

    border-radius: 12px;

    background:
        white;

    transition:
        transform .25s,
        box-shadow .25s,
        border .25s;
}

.service-card:hover {

    transform:
        translateY(-5px);

    box-shadow:
        var(--shadow);

    border-color:
        #c9dafa;
}

.service-number {

    color:
        var(--primary);

    font-weight:
        800;

    font-size:
        13px;

    margin-bottom:
        18px;
}

.service-card h3 {

    font-size:
        20px;

    margin-bottom:
        12px;

    color:
        var(--dark);
}

.service-card p {

    color:
        var(--text);

    font-size:
        14px;

    margin-bottom:
        20px;
}

.service-link {

    color:
        var(--primary);

    font-size:
        13px;

    font-weight:
        700;
}


/* =========================================
   ABOUT
========================================= */

.about-section {

    padding:
        100px 0;

    background:
        var(--light-bg);
}

.about-grid {

    display:
        grid;

    grid-template-columns:
        0.9fr 1.1fr;

    gap:
        80px;

    align-items:
        center;
}

.about-visual {

    min-height:
        420px;

    display:
        flex;

    align-items:
        center;

    justify-content:
        center;

    border-radius:
        20px;

    background:
        linear-gradient(
            145deg,
            #0b4f9c,
            #083b75
        );
}

.about-box {

    width:
        75%;

    padding:
        40px;

    border:
        1px solid
        rgba(255,255,255,.25);

    border-radius:
        14px;

    color:
        white;

    background:
        rgba(255,255,255,.08);

    backdrop-filter:
        blur(10px);
}

.about-box span {

    font-size:
        11px;

    letter-spacing:
        2px;
}

.about-box strong {

    display:
        block;

    font-size:
        42px;

    line-height:
        1.05;

    margin:
        20px 0;
}

.about-box p {

    color:
        #d9e7fa;

    font-size:
        14px;
}

.about-content p {

    color:
        var(--text);

    margin-bottom:
        18px;
}

.about-content h2 span {

    color:
        var(--primary);
}

.check-list {

    margin-top:
        25px;
}

.check-list div {

    display:
        flex;

    gap:
        12px;

    margin:
        12px 0;

    font-size:
        14px;

    font-weight:
        600;
}

.check-list span {

    color:
        var(--accent);

    font-weight:
        900;
}


/* =========================================
   PROCESS
========================================= */

.process-grid {

    display:
        grid;

    grid-template-columns:
        repeat(4, 1fr);

    gap:
        20px;
}

.process-card {

    position:
        relative;

    padding:
        28px;

    border:
        1px solid var(--border);

    border-radius:
        12px;
}

.process-number {

    display:
        inline-flex;

    width:
        40px;

    height:
        40px;

    align-items:
        center;

    justify-content:
        center;

    border-radius:
        50%;

    background:
        #eaf3ff;

    color:
        var(--primary);

    font-weight:
        800;

    margin-bottom:
        20px;
}

.process-card h3 {

    font-size:
        18px;

    margin-bottom:
        10px;
}

.process-card p {

    color:
        var(--text);

    font-size:
        14px;
}


/* =========================================
   INDUSTRIES
========================================= */

.industries-section {

    background:
        var(--light-bg);
}

.industries-grid {

    display:
        grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap:
        18px;
}

.industry-card {

    padding:
        28px;

    border-radius:
        12px;

    background:
        white;

    border:
        1px solid var(--border);
}

.industry-card span {

    font-size:
        12px;

    color:
        var(--primary);

    font-weight:
        800;
}

.industry-card h3 {

    margin:
        12px 0 8px;

    font-size:
        19px;
}

.industry-card p {

    font-size:
        13px;

    color:
        var(--text);
}


/* =========================================
   CTA
========================================= */

.dual-cta {

    padding:
        80px 0;

    background:
        var(--dark);
}

.dual-grid {

    display:
        grid;

    grid-template-columns:
        1fr 1fr;

    gap:
        20px;
}

.cta-card {

    padding:
        45px;

    border-radius:
        15px;

    min-height:
        330px;

    display:
        flex;

    flex-direction:
        column;

    align-items:
        flex-start;

    justify-content:
        center;
}

.engineer-cta {

    background:
        var(--primary);

    color:
        white;
}

.company-cta {

    background:
        #17365d;

    color:
        white;
}

.cta-card .section-label {

    color:
        #cde2ff;
}

.cta-card h2 {

    font-size:
        32px;

    line-height:
        1.15;

    margin-bottom:
        15px;
}

.cta-card p {

    color:
        #d6e3f3;

    margin-bottom:
        25px;

    max-width:
        500px;
}

.btn-light {

    background:
        white;

    color:
        var(--primary);
}


/* =========================================
   CONTACT
========================================= */

.contact-grid {

    display:
        grid;

    grid-template-columns:
        1fr 1fr;

    gap:
        80px;

    align-items:
        center;
}

.contact-section p {

    color:
        var(--text);

    max-width:
        550px;
}

.contact-info {

    display:
        flex;

    flex-direction:
        column;

    gap:
        25px;
}

.contact-info div {

    padding:
        18px;

    border:
        1px solid var(--border);

    border-radius:
        10px;
}

.contact-info span {

    display:
        block;

    color:
        var(--light-text);

    font-size:
        10px;

    letter-spacing:
        1px;

    margin-bottom:
        5px;
}

.contact-info strong {

    font-size:
        16px;
}


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

.footer {

    background:
        #0b1220;

    color:
        white;

    padding-top:
        65px;
}

.footer-grid {

    display:
        grid;

    grid-template-columns:
        1.5fr 1fr 1fr 1fr;

    gap:
        50px;

    padding-bottom:
        50px;
}

.footer-logo {

    font-size:
        25px;

    font-weight:
        800;

    color:
        white;

    margin-bottom:
        15px;
}

.footer p {

    color:
        #9aa6b7;

    font-size:
        13px;
}

.footer h4 {

    margin-bottom:
        15px;

    font-size:
        15px;
}

.footer a {

    display:
        block;

    color:
        #9aa6b7;

    font-size:
        13px;

    margin:
        8px 0;

    transition:
        color .2s;
}

.footer a:hover {

    color:
        white;
}

.footer-bottom {

    border-top:
        1px solid
        rgba(255,255,255,.08);

    padding:
        20px 0;
}

.footer-bottom p {

    text-align:
        center;

    font-size:
        12px;
}


/* =========================================
   RESPONSIVE
========================================= */

@media (max-width: 1000px) {

    .navbar {

        gap:
            16px;
    }

    .hero-grid {

        gap:
            40px;
    }

    .services-grid {

        grid-template-columns:
            repeat(2, 1fr);
    }

    .process-grid {

        grid-template-columns:
            repeat(2, 1fr);
    }

    .industries-grid {

        grid-template-columns:
            repeat(2, 1fr);
    }

    .footer-grid {

        grid-template-columns:
            repeat(2, 1fr);
    }
}


@media (max-width: 780px) {

    .nav-container {

        min-height:
            70px;
    }

    .menu-toggle {

        display:
            block;
    }

    .navbar {

        position:
            absolute;

        top:
            70px;

        left:
            0;

        right:
            0;

        display:
            none;

        flex-direction:
            column;

        align-items:
            stretch;

        gap:
            0;

        background:
            white;

        border-bottom:
            1px solid var(--border);

        box-shadow:
            0 15px 30px
            rgba(0,0,0,.08);
    }

    .navbar.active {

        display:
            flex;
    }

    .navbar > a {

        padding:
            15px 20px;

        border-bottom:
            1px solid #f1f3f6;
    }

    .nav-button {

        margin:
            10px 20px 15px;

        text-align:
            center;
    }

    .hero {

        padding:
            70px 0;
    }

    .hero-grid {

        grid-template-columns:
            1fr;
    }

    .hero-content {

        text-align:
            center;
    }

    .hero-text {

        margin-left:
            auto;

        margin-right:
            auto;
    }

    .hero-buttons {

        justify-content:
            center;
    }

    .hero-features {

        justify-content:
            center;
    }

    .hero-visual {

        margin-top:
            20px;
    }

    .trust-grid {

        grid-template-columns:
            repeat(2, 1fr);
    }

    .about-grid {

        grid-template-columns:
            1fr;

        gap:
            40px;
    }

    .dual-grid {

        grid-template-columns:
            1fr;
    }

    .contact-grid {

        grid-template-columns:
            1fr;

        gap:
            40px;
    }
}


@media (max-width: 560px) {

    .container {

        width:
            min(
                calc(100% - 28px),
                var(--container)
            );
    }

    .hero h1 {

        font-size:
            40px;

        letter-spacing:
            -1.5px;
    }

    .hero-text {

        font-size:
            16px;
    }

    .hero-buttons {

        flex-direction:
            column;
    }

    .hero-buttons .btn {

        width:
            100%;
    }

    .services-grid,
    .industries-grid,
    .process-grid {

        grid-template-columns:
            1fr;
    }

    .trust-grid {

        grid-template-columns:
            1fr 1fr;
    }

    .section {

        padding:
            70px 0;
    }

    .about-section {

        padding:
            70px 0;
    }

    .about-visual {

        min-height:
            330px;
    }

    .about-box {

        width:
            85%;

        padding:
            30px;
    }

    .about-box strong {

        font-size:
            34px;
    }

    .cta-card {

        padding:
            30px;

        min-height:
            300px;
    }

    .cta-card h2 {

        font-size:
            27px;
    }

    .footer-grid {

        grid-template-columns:
            1fr;

        gap:
            30px;
    }

}