body {
    margin: 0;
    padding: 0;
    font-family: 'Helvetica Neue', sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

.header {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 10;
    height: 100px;
}

.hamburger-container {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
}

.hamburger {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: none;
    cursor: pointer;
    width: 30px;
    height: 25px;
    z-index: 11;
    position: relative;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    transition: background 0.3s ease;
}

.hamburger:hover {
    background: #ffffff;
}

.hamburger:hover::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 2px solid #ffffff;
    border-radius: 10px;
    box-shadow: 0 0 8px #ffffff, 0 0 12px #ffffff;
    animation: breatheGlow 3s ease-in-out infinite;
}

@keyframes breatheGlow {
    0% { box-shadow: 0 0 8px #ffffff, 0 0 12px #ffffff; opacity: 0.8; }
    50% { box-shadow: 0 0 12px #ffffff, 0 0 20px #ffffff; opacity: 1; }
    100% { box-shadow: 0 0 8px #ffffff, 0 0 12px #ffffff; opacity: 0.8; }
}

.menu-text {
    color: white;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    font-size: 14px;
    text-transform: uppercase;
    opacity: 1;
    transition: color 0.3s ease;
}

.hamburger-container:hover .menu-text {
    color: black;
}

.logo-img {
    max-height: 80px;
    width: auto;
    display: block;
    margin: 0 auto;
    padding: 5px;
    cursor: pointer;
}

.nav-dropdown {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: left 0.4s ease;
    opacity: 1;
    z-index: 9;
    overflow-y: auto;
}

.nav-dropdown.active {
    left: 0;
}

.nav-dropdown ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.nav-dropdown li a {
    color: #808080;
    text-decoration: none;
    font-size: 32px;
    transition: color 0.3s;
    text-align: center;
}

.nav-dropdown a:hover {
    color: #000000;
}

@media (min-width: 769px) {
    .nav-dropdown {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }
    .portfolio .item {
        text-align: center;
    }
    .portfolio h3 {
        text-align: center;
    }
    .portfolio p {
        text-align: center;
    }
}

.hero {
    height: 100vh;
    background: url('hero.jpg') no-repeat center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding-top: 100px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 0;
}

.hero-content {
    position: relative;
    max-width: 800px;
    z-index: 1;
}

h1 {
    font-size: 48px;
    margin-bottom: 10px;
}

h1 span:first-child {
    color: darkgray;
}

h1 span:last-child {
    color: #ffffff;
    text-shadow: 0 0 10px #ffffff, 0 0 20px #c0c0c0, 0 0 30px #c0c0c0, 0 0 40px #c0c0c0;
    animation: shineGlow 4s ease-in-out infinite;
}

@keyframes shineGlow {
    0% { text-shadow: 0 0 10px #ffffff, 0 0 20px #c0c0c0, 0 0 30px #c0c0c0, 0 0 40px #c0c0c0; }
    50% { text-shadow: 0 0 15px #ffffff, 0 0 25px #c0c0c0, 0 0 35px #c0c0c0, 0 0 50px #c0c0c0; }
    100% { text-shadow: 0 0 10px #ffffff, 0 0 20px #c0c0c0, 0 0 30px #c0c0c0, 0 0 40px #c0c0c0; }
}

.section {
    padding: 80px 20px;
    text-align: center;
}

.full-width {
    padding: 0;
}

.full-width .glass-card {
    max-width: 100%;
    margin: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    border: none;
}

.video-box {
    width: 100%;
    height: 0;
    padding-bottom: 56.25%;
    position: relative;
    background: #000;
}

.video-box iframe,
.video-box video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

h2 {
    font-size: 36px;
    margin-bottom: 40px;
    color: #333;
}

.glass-card {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
    margin: 0 auto;
    box-sizing: border-box;
}

.about-us-full-width {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0 20px;
    box-sizing: border-box;
}

.nb-international-text {
    font-family: 'Montserrat', sans-serif;
    font-weight: 300;
    font-size: 14px;
    color: #333;
    max-width: 600px;
    margin: 0 auto 20px;
}

.slate-icon {
    width: 60px;
    height: 60px;
    background: url('slate-icon.png') no-repeat center/contain;
    margin: 20px auto;
}

.portfolio .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.portfolio .item {
    text-align: left;
}

.portfolio img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    margin-bottom: 10px;
    transition: transform 0.3s;
}

.portfolio img:hover {
    transform: scale(1.05);
}

.portfolio h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.portfolio p {
    font-size: 14px;
    color: #555;
}

form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

input, textarea {
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.2);
    color: #333;
    font-family: 'Montserrat', sans-serif;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

button {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    font-weight: 500;
    transition: background 0.3s;
}

button:hover {
    background: #ffffff;
}

footer {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    color: #333;
    font-size: 12px;
}

.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.9));
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
    border-radius: 3px;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.6), 0 0 12px rgba(255, 255, 255, 0.4);
    animation: lightPulse 6s ease-in-out infinite;
}

@keyframes lightPulse {
    0% { box-shadow: 0 0 8px rgba(255, 255, 255, 0.6), 0 0 12px rgba(255, 255, 255, 0.4); opacity: 0.8; }
    50% { box-shadow: 0 0 12px rgba(255, 255, 255, 0.8), 0 0 20px rgba(255, 255, 255, 0.6); opacity: 1; }
    100% { box-shadow: 0 0 8px rgba(255, 255, 255, 0.6), 0 0 12px rgba(255, 255, 255, 0.4); opacity: 0.8; }
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    background-color: inherit;
    width: 50%;
    box-sizing: border-box;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    z-index: 1;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-item::after {
    content: '';
    position: absolute;
    width: 48px;
    height: 48px;
    right: -24px;
    background: url('popcorn-icon.png') no-repeat center/contain;
    top: 32px;
    z-index: 10;
}

.timeline-item.right::after {
    left: -24px;
}

.timeline-item.left {
    left: 0;
}

.timeline-item.right {
    left: 50%;
}

.timeline-content {
    padding: 30px 40px;
    position: relative;
    border-radius: 6px;
    box-sizing: border-box;
}

.timeline-content h3 {
    margin-top: 0;
}

.service-icon {
    width: 400px;
    height: 225px;
    display: block;
    margin: 0 auto 30px;
    transition: transform 0.3s;
}

.service-icon:hover {
    transform: scale(1.05);
}

@media screen and (max-width: 768px) {
    .header {
        height: 60px;
        padding: 10px;
    }

    .hamburger-container {
        left: 10px;
        gap: 6px;
        z-index: 12;
    }

    .hamburger {
        width: 35px;
        height: 30px;
    }

    .menu-text {
        display: none;
    }

    .logo-img {
        max-height: 50px;
        margin-left: 60px;
        display: block;
        z-index: 11;
    }

    .nav-dropdown {
        z-index: 11;
        background: #ffffff;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        transition: left 0.3s ease;
        overflow-y: auto;
        align-items: flex-start;
        justify-content: flex-start;
        padding-top: 70px;
    }

    .nav-dropdown.active {
        left: 0;
    }

    .nav-dropdown ul {
        gap: 20px;
        padding: 20px;
        width: 100%;
    }

    .nav-dropdown li a {
        font-size: 20px;
        color: #808080 !important;
        text-align: left;
    }

    .hero {
        padding-top: 60px;
    }

    h1 {
        font-size: 28px;
        margin-bottom: 8px;
    }

    h2 {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .section {
        padding: 40px 10px;
    }

    .glass-card {
        padding: 10px;
    }

    .about-us-full-width {
        padding: 0 10px;
    }

    .nb-international-text {
        font-size: 12px;
    }

    .slate-icon {
        width: 40px;
        height: 40px;
        margin: 15px auto;
    }

    .portfolio .grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .timeline::after {
        left: 25px;
        background: #ffffff;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border: 1px solid rgba(255, 255, 255, 0.5);
        box-shadow: 0 0 8px rgba(255, 255, 255, 0.6), 0 0 12px rgba(255, 255, 255, 0.4);
        animation: lightPulse 6s ease-in-out infinite;
    }

    .timeline-item {
        width: 100%;
        padding-left: 60px;
        padding-right: 20px;
        z-index: 1;
    }

    .timeline-item::after {
        left: 8px;
        width: 32px;
        height: 32px;
        top: 24px;
        z-index: 10;
    }

    .timeline-item.right {
        left: 0;
    }

    .timeline-content {
        padding: 15px 20px;
    }

    .timeline-content h3 {
        font-size: 18px;
    }

    .service-icon {
        width: 150px;
        height: 84.375px;
        margin: 0 auto 15px;
    }

    .form {
        max-width: 95%;
    }

    input, textarea {
        padding: 6px;
        font-size: 12px;
    }

    button {
        padding: 6px 12px;
        font-size: 12px;
    }

    footer {
        padding: 10px;
        font-size: 10px;
    }
}

@media screen and (max-width: 600px) and (orientation: portrait) {
    .nav-dropdown {
        padding-top: 80px;
    }

    .nav-dropdown ul {
        gap: 15px;
        padding: 15px;
    }

    .nav-dropdown li a {
        font-size: 18px;
    }

    .logo-img {
        max-height: 40px;
        margin-left: 50px;
    }

    .timeline::after {
        left: 20px;
    }

    .timeline-item {
        padding-left: 50px;
        padding-right: 15px;
    }

    .timeline-item::after {
        left: 6px;
        width: 28px;
        height: 28px;
    }

    .service-icon {
        width: 120px;
        height: 67.5px;
    }
}