* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

body{
    display:flex;
    min-height:100vh;
    overflow-y:auto;
    overflow-x:hidden;
    background:#ffffff;
}

.sidebar {
    height: 100vh;   
    position: fixed;    
    top: 0;
    left: 0;
    overflow-y: auto;   
    width: 250px;       
}

.sidebar::-webkit-scrollbar {
    width: 0px;
    background: transparent;
}

.top-logo {
    width: 100%;
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.top-logo img {
    width: 135px;
    height: auto;
}

.nav-menu {
    width: 100%;
    margin-bottom: 15px;
}

.nav-menu ul {
    list-style: none;
    width: 100%;
}

.nav-menu ul li {
    width: 100%;
    text-align: center;
    padding: 13px 0;
    border-bottom: 1px solid #eceef0;
}

.nav-menu ul li:first-child {
    border-top: 1px solid #eceef0;
}

.nav-menu ul li a {
    text-decoration: none;
    color: #7a828a;
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    display: block;
    transition: color 0.2s ease;
}

.nav-menu ul li a.active, 
.nav-menu ul li a:hover {
    color: #111111;
}

.bottom-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    margin-top: auto;
}

.bottom-logo {
    margin-bottom: 15px;
    display: flex;
    justify-content: center;
}

.bottom-logo img {
    width: 95px;
    height: auto;
}

.social-icons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    width: 100%;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1.5px solid #222222;
    border-radius: 50%;
    color: #222222;
    font-weight: 700;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s ease;
}

.social-icons a svg {
    fill: #222222;
    transition: fill 0.2s ease;
}

.social-icons a:hover {
    background-color: #222222;
    color: #ffffff;
}

.social-icons a:hover svg {
    fill: #ffffff;
}

.sidebar-copyright {
    font-size: 10.5px;
    color: #7a828a;
    text-align: center;
    line-height: 1.4;
    width: 100%;
}

.main-content {
    margin-left: 250px; 
    padding: 20px;
    min-height: 100vh;
}

.slider-area {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100vh;
    flex-shrink: 0;
}

.slider-images {
    position: relative;
    width: 100%;
    flex: 1;
    background-color: #000000;
}

.slider-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slider-image.active {
    opacity: 1;
}

.right-arrow {
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 45px;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    text-shadow: 0 1px 4px rgba(0,0,0,0.4);
    z-index: 5;
    user-select: none;
    transition: color 0.2s ease;
}

.right-arrow:hover {
    color: #ffffff;
}

.slider-dots {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    height: 60px;
    background-color: #ffffff;
    flex-shrink: 0;
}

.dot {
    width: 11px;
    height: 11px;
    background-color: #e0e0e0;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.dot.active {
    background-color: #000000;
}

.home-info-section {
    padding: 60px 50px 80px;
    text-align: center;
    background-color: #ffffff;
}

.home-info-section h2 {
    font-size: 26px;
    color: #333333;
    margin-bottom: 25px;
    font-weight: 400;

}

.home-info-section p {
    font-size: 15px;
    color: #777777;
    max-width: 960px;
    margin: 0 auto;
    line-height: 1.8;

}

.about-text-section {
    padding: 60px 50px 40px;
    background-color: #ffffff;
}

.about-text-section h2 {
    font-size: 28px;
    color: #222222;
    text-align: center;
    margin-bottom: 40px;
    font-weight: 400;

}

.about-content {
    max-width: 1050px;
    margin: 0 auto;
}

.about-content p {
    font-size: 15px;
    color: #777777;
    line-height: 1.8;
    margin-bottom: 30px;
    text-align: left;
}

.about-gallery-section {
    position: relative;
    background-color: #eef2f5;
    padding: 30px 0;
    width: 100%;
    border-top: 1px solid #e2e8ed;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-gallery-container {
    width: 100%;
    max-width: 1150px;
    overflow: hidden;
    padding: 0 15px;
}

.about-gallery-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.about-gallery-track img {
    width: 20%;
    flex-shrink: 0;
    height: 180px;
    object-fit: cover;
    border: 1px solid #dcdfe3;
    padding: 0 6px;
    background-color: #ffffff;
}

.gallery-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 35px;
    height: 60px;
    background-color: #596167;
    color: #ffffff;
    border: none;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    user-select: none;
    transition: background-color 0.2s ease;
}

.gallery-btn:hover {
    background-color: #43494e;
}

.gallery-btn.prev {
    left: 10px;
}

.gallery-btn.next {
    right: 10px;
}

.about-gallery img {
    width: 33.333%;
    height: 240px;
    object-fit: cover;
    border: 1px solid #dcdfe3;
    background-color: #ffffff;
}

.main-footer {
    background-color: #eef2f5;
    padding: 35px 20px;
    text-align: center;
    border-top: 1px solid #e2e8ed;
    width: 100%;
}

.main-footer p {
    font-size: 11.5px;
    color: #7a828a;
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

.main-footer strong {
    color: #333333;
    font-weight: 800;
}

.contact-section {
    padding: 60px 50px 40px;
    background-color: #ffffff;
}

.contact-section h2 {
    font-size: 28px;
    color: #222222;
    text-align: center;
    margin-bottom: 40px;
    font-weight: 400;
    letter-spacing: 0.2px;
}

.contact-grid {
    display: flex;
    max-width: 1150px;
    margin: 0 auto;
    gap: 40px;
}

.contact-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.map-container {
    width: 100%;
    height: 320px;
    border: 1px solid #eceef0;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding-left: 5px;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    font-size: 14px;
    color: #555555;
    line-height: 1.6;
}

.detail-item svg {
    margin-top: 3px;
    flex-shrink: 0;
    fill: #555555;
}

.contact-right {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.contact-description {
    font-size: 15px;
    color: #777777;
    line-height: 1.8;
    margin-bottom: 30px;
    letter-spacing: 0.2px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    width: 100%;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid #dcdfe3;
    font-size: 13px;
    color: #333333;
    outline: none;
    letter-spacing: 0.2px;
    background-color: #ffffff;
    transition: border-color 0.2s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #b0b5b9;
    text-transform: uppercase;
    font-size: 12px;
    font-weight: 500;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #777777;
}

.form-group textarea {
    height: 140px;
    resize: none;
}

.submit-btn-container {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
}

.submit-btn {
    background-color: #222222;
    color: #ffffff;
    border: none;
    padding: 13px 35px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.submit-btn:hover {
    background-color: #444444;
}

.alert-message {
    padding: 12px;
    margin-bottom: 20px;
    font-size: 14px;
    text-align: center;
    width: 100%;
    max-width: 1150px;
    margin: 0 auto 20px;
}

.alert-success {
    background-color: #e6f4ea;
    color: #137333;
    border: 1px solid #dadce0;
}

.alert-error {
    background-color: #fce8e6;
    color: #c5221f;
    border: 1px solid #dadce0;
}


.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff; 
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 99999; 
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.preloader .dot {
    width: 12px;
    height: 12px;
    margin: 0 6px;
    background-color: #7a828a; 
    border-radius: 50%;
    display: inline-block;
    animation: dotBounce 1.4s infinite ease-in-out both;
}


.preloader .dot:nth-child(1) {
    animation-delay: -0.32s;
}

.preloader .dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes dotBounce {
    0%, 80%, 100% { 
        transform: scale(0);
        opacity: 0.3;
    } 
    40% { 
        transform: scale(1.0);
        opacity: 1;
    }
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}


.sidebar {
    width: 260px;
    height: 100vh; 
    display: flex;
    flex-direction: column;
    justify-content: space-between; 
    padding: 30px 20px;
    box-sizing: border-box;
    background: #ffffff;
    border-right: 1px solid #eee;
    flex-shrink: 0; 
}


.portfolio-layout-wrapper {
    display: flex;
    width: 100%;
    height: 100vh;
    overflow: hidden; 
}


.portfolio-main-content {
    flex-grow: 1;
    height: 100vh;
    overflow-y: auto; 
    padding: 40px 50px;
    box-sizing: border-box;
}


.nav-menu {
    margin-top: 20px;
}