```css
/* =========================================================
   CNC WORLD - MAIN WEBSITE CSS
   ========================================================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #ffffff;
    color: #333333;
    line-height: 1.7;
    font-size: 16px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

button,
input,
textarea,
select {
    font-family: inherit;
}

.container {
    width: 92%;
    max-width: 1200px;
    margin: 0 auto;
}


/* =========================================================
   TYPOGRAPHY
   ========================================================= */

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.25;
    color: #003366;
}

p {
    margin-bottom: 15px;
}


/* =========================================================
   BUTTONS
   ========================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 12px 22px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 700;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
}

.btn-primary {
    background: #003366;
    color: #ffffff;
    border-color: #003366;
}

.btn-primary:hover {
    background: #002244;
    transform: translateY(-2px);
}

.btn-whatsapp {
    background: #25d366;
    color: #ffffff;
    border-color: #25d366;
}

.btn-whatsapp:hover {
    background: #1ebe5d;
    transform: translateY(-2px);
}

.btn-light {
    background: #ffffff;
    color: #003366;
    border-color: #ffffff;
}

.btn-light:hover {
    background: #eeeeee;
}

.btn-outline {
    background: transparent;
    color: #003366;
    border-color: #003366;
}

.btn-outline:hover {
    background: #003366;
    color: #ffffff;
}


/* =========================================================
   HEADER
   ========================================================= */

.site-header {
    position: sticky;
    top: 0;
    z-index: 9999;
    background: #ffffff;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

.header-main {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-area img {
    width: 52px;
    height: 52px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    color: #003366;
    font-size: 24px;
    font-weight: 900;
    line-height: 1;
}

.logo-subtitle {
    color: #666666;
    font-size: 10px;
    margin-top: 5px;
    font-weight: 700;
    letter-spacing: 0.6px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.main-nav a {
    color: #333333;
    font-size: 14px;
    font-weight: 700;
    transition: color 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: #0056a6;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 8px 14px;
    border-radius: 5px;
    font-size: 13px;
    font-weight: 800;
}

.header-call {
    background: #003366;
    color: #ffffff;
}

.header-whatsapp {
    background: #25d366;
    color: #ffffff;
}

.mobile-menu-button {
    display: none;
    border: none;
    background: #003366;
    color: #ffffff;
    width: 42px;
    height: 42px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 22px;
}

.mobile-nav {
    display: none;
    background: #ffffff;
    border-top: 1px solid #eeeeee;
    padding: 15px 0;
}

.mobile-nav a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid #eeeeee;
    color: #003366;
    font-weight: 700;
}


/* =========================================================
   HERO
   ========================================================= */

.hero {
    position: relative;

    background:
        linear-gradient(
            rgba(0, 35, 70, 0.90),
            rgba(0, 51, 102, 0.90)
        ),
        url("https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?auto=format&fit=crop&w=1800&q=85")
        no-repeat center center / cover;

    color: #ffffff;
    min-height: 600px;
    display: flex;
    align-items: center;
    text-align: center;
    padding: 90px 0;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    color: #ffffff;
    font-size: clamp(38px, 5vw, 64px);
    font-weight: 800;
    margin-bottom: 20px;
}

.hero h2 {
    color: #ffffff;
    font-size: 42px;
    margin-bottom: 15px;
}

.hero p {
    max-width: 800px;
    margin: 0 auto 25px;
    color: #ffcc00;
    font-size: 19px;
    font-weight: bold;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 204, 0, 0.15);
    border: 1px solid #ffcc00;
    color: #ffcc00;
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 20px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.hero-location {
    margin-top: 20px;
    color: #dddddd !important;
    font-size: 14px !important;
}


/* =========================================================
   TRUST BAR
   ========================================================= */

.trust-bar {
    background: #003366;
    color: #ffffff;
    border-bottom: 4px solid #ffcc00;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
}

.trust-item {
    text-align: center;
    padding: 25px 10px;
    border-right: 1px solid rgba(255,255,255,0.15);
}

.trust-item:last-child {
    border-right: none;
}

.trust-item strong {
    display: block;
    color: #ffcc00;
    font-size: 23px;
    font-weight: 800;
}

.trust-item span {
    display: block;
    color: #ffffff;
    font-size: 12px;
}


/* =========================================================
   SECTIONS
   ========================================================= */

.section {
    padding: 80px 0;
}

.section-light {
    background: #f5f8fb;
}

.section-title {
    position: relative;
    text-align: center;
    margin-bottom: 45px;
    font-size: 34px;
    color: #003366;
}

.section-title::after {
    content: "";
    display: block;
    width: 65px;
    height: 4px;
    background: #ffcc00;
    margin: 14px auto 0;
    border-radius: 5px;
}

.section-title-left {
    position: relative;
    font-size: 36px;
    margin-bottom: 25px;
    color: #003366;
}

.section-title-left::after {
    content: "";
    display: block;
    width: 65px;
    height: 4px;
    background: #ffcc00;
    margin-top: 14px;
}


/* =========================================================
   GRID
   ========================================================= */

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}


/* =========================================================
   CARDS
   ========================================================= */

.card {
    background: #ffffff;
    padding: 30px;
    border-radius: 10px;
    border-top: 4px solid #003366;
    box-shadow: 0 5px 25px rgba(0, 51, 102, 0.08);
    transition: all 0.25s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 51, 102, 0.12);
}

.card h3 {
    color: #003366;
    margin-bottom: 12px;
}

.card p {
    color: #666666;
}


/* =========================================================
   FEATURES
   ========================================================= */

.feature-item {
    background: #ffffff;
    padding: 30px;
    border-radius: 10px;
    border-left: 5px solid #ffcc00;
    box-shadow: 0 5px 25px rgba(0,0,0,0.06);
    transition: all 0.25s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item h3 {
    color: #003366;
    margin-bottom: 10px;
}

.feature-item p {
    color: #666666;
    margin-bottom: 0;
}


/* =========================================================
   COURSES
   ========================================================= */

.course-card h3 {
    color: #003366;
    margin-bottom: 15px;
    font-size: 22px;
}

.meta-info {
    margin-bottom: 15px;
    background: #eef5fc;
    padding: 11px 13px;
    border-radius: 5px;
    font-size: 14px;
}

.meta-info strong {
    color: #003366;
}

.contents-list {
    padding-left: 20px;
    margin-top: 10px;
}

.contents-list li {
    margin-bottom: 7px;
    font-size: 15px;
    color: #555555;
}


/* =========================================================
   COURSE BUTTON
   ========================================================= */

.course-whatsapp-btn {
    background: #25d366;
    color: #ffffff;
    border: none;
    padding: 10px 16px;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.2s ease;
}

.course-whatsapp-btn:hover {
    background: #1ebe5d;
    transform: translateY(-2px);
}


/* =========================================================
   CORPORATE CLIENTS
   ========================================================= */

.client-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.client-item {
    background: #ffffff;
    padding: 16px 12px;
    min-height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-radius: 7px;
    border: 1px solid #dddddd;
    box-shadow: 0 3px 10px rgba(0,0,0,0.04);
    font-size: 14px;
    font-weight: 600;
    color: #444444;
    transition: all 0.2s ease;
}

.client-item:hover {
    border-color: #003366;
    color: #003366;
}


/* =========================================================
   DARK SECTION
   ========================================================= */

.section-dark {
    background: linear-gradient(135deg, #002244, #003f70);
    color: #ffffff;
}

.section-dark h2,
.section-dark h3 {
    color: #ffffff;
}

.section-dark p {
    color: #d9e5ef;
}

.dark-feature-box {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    padding: 35px;
    border-radius: 10px;
}

.dark-feature-box h3 {
    color: #ffcc00;
    margin-bottom: 20px;
}

.dark-feature-box ul {
    list-style: none;
}

.dark-feature-box li {
    position: relative;
    padding: 9px 0 9px 25px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.dark-feature-box li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #ffcc00;
    font-weight: bold;
}


/* =========================================================
   LOCATION TAGS
   ========================================================= */

.location-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 25px;
}

.location-tags span {
    background: #ffffff;
    border: 1px solid #dce5ed;
    color: #003366;
    padding: 8px 15px;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 700;
}


/* =========================================================
   FAQ
   ========================================================= */

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: #ffffff;
    border: 1px solid #dfe6ec;
    border-radius: 7px;
    margin-bottom: 12px;
    overflow: hidden;
}

.faq-item summary {
    position: relative;
    cursor: pointer;
    padding: 20px 55px 20px 20px;
    color: #003366;
    font-weight: 700;
    font-size: 17px;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #003366;
    font-size: 24px;
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item p {
    padding: 15px 20px 20px;
    color: #666666;
    margin: 0;
    border-top: 1px solid #edf0f3;
}


/* =========================================================
   CTA
   ========================================================= */

.career-cta {
    background: linear-gradient(135deg, #003366, #005b99);
    color: #ffffff;
    padding: 65px 0;
}

.career-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.career-cta h2 {
    color: #ffffff;
    margin-bottom: 15px;
}

.career-cta p {
    color: #dceaf4;
}

.career-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}


/* =========================================================
   CONTACT FORM
   ========================================================= */

.contact-form input,
.contact-form textarea,
.contact-form select {
    width: 100%;
    padding: 13px 14px;
    margin-bottom: 15px;
    border: 1px solid #ccd5dd;
    border-radius: 5px;
    background: #ffffff;
    color: #333333;
    font-size: 15px;
    outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    border-color: #003366;
    box-shadow: 0 0 0 3px rgba(0,51,102,0.08);
}

.contact-form textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form button {
    width: 100%;
}


/* =========================================================
   FOOTER
   ========================================================= */

footer {
    background: #151b21;
    color: #bfc7cf;
    padding: 60px 0 20px;
    font-size: 15px;
}

footer h3 {
    color: #ffffff;
    margin-bottom: 18px;
}

footer p {
    margin-bottom: 10px;
}

footer a {
    color: #bfc7cf;
}

footer a:hover {
    color: #ffcc00;
}

.footer-bottom {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #303841;
    font-size: 13px;
    color: #8d969f;
}


/* =========================================================
   UTILITY
   ========================================================= */

.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mt-30 {
    margin-top: 30px;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}


/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 1000px) {

    .trust-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .client-list {
        grid-template-columns: repeat(3, 1fr);
    }

    .main-nav {
        gap: 14px;
    }

    .header-actions {
        display: none;
    }
}


/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 768px) {

    .container {
        width: 90%;
    }

    .section {
        padding: 55px 0;
    }


    /* Header */

    .site-header {
        position: relative;
    }

    .header-main {
        min-height: 68px;
    }

    .main-nav {
        display: none;
    }

    .mobile-menu-button {
        display: block;
    }

    .logo-area img {
        width: 44px;
        height: 44px;
    }

    .logo-title {
        font-size: 20px;
    }

    .logo-subtitle {
        font-size: 8px;
    }


    /* Hero */

    .hero {
        min-height: auto;
        padding: 65px 0;
    }

    .hero h1 {
        font-size: 38px;
    }

    .hero h2 {
        font-size: 34px;
    }

    .hero p {
        font-size: 17px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-buttons .btn {
        width: 100%;
    }


    /* Trust */

    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .trust-item {
        border-bottom: 1px solid rgba(255,255,255,0.15);
    }

    .trust-item:nth-child(2n) {
        border-right: none;
    }


    /* Grids */

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
        gap: 20px;
    }


    /* Sections */

    .section-title {
        font-size: 29px;
    }

    .section-title-left {
        font-size: 29px;
    }


    /* Cards */

    .card {
        padding: 23px;
    }

    .feature-item {
        padding: 24px;
    }


    /* Clients */

    .client-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .client-item {
        font-size: 12px;
        min-height: 70px;
        padding: 12px 8px;
    }


    /* CTA */

    .career-cta-inner {
        flex-direction: column;
        text-align: center;
    }

    .career-buttons {
        width: 100%;
        flex-direction: column;
    }

    .career-buttons .btn {
        width: 100%;
    }


    /* FAQ */

    .faq-item summary {
        font-size: 15px;
        padding: 17px 45px 17px 15px;
    }

    .faq-item p {
        padding-left: 15px;
        padding-right: 15px;
    }


    /* Footer */

    footer {
        padding-top: 45px;
    }
}


/* =========================================================
   SMALL MOBILE
   ========================================================= */

@media (max-width: 480px) {

    .container {
        width: 92%;
    }

    .hero {
        padding: 50px 0;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero h2 {
        font-size: 29px;
    }

    .hero p {
        font-size: 16px;
    }

    .section-title,
    .section-title-left {
        font-size: 26px;
    }

    .client-list {
        grid-template-columns: 1fr;
    }

    .logo-title {
        font-size: 18px;
    }

    .logo-subtitle {
        display: none;
    }

}


/* =========================================================
   ACCESSIBILITY
   ========================================================= */

a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid #ffcc00;
    outline-offset: 2px;
}


/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }
}
```
