* {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background: #080808;
    color: #fff;
}

#header {
    width: 100%;
    height: 100vh;
    background-image: url(../images/sayanbiswas/indexbackground.jpg);
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
}

.container {
    padding: 10px 10%;
}

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

.logo {
    width: 140px;
}

nav ul li {
    display: inline-block;
    list-style: none;
    margin: 10px 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
    position: relative;
}

nav ul li a::after {
    content: '';
    width: 0;
    height: 3px;
    background: #daa520;
    position: absolute;
    left: 0;
    bottom: -6px;
    transition: 0.5s;
}

nav ul li a:hover::after {
    width: 100%;
}

.header-text {
    margin-top: 20%;
    font-size: 30px;
}

.header-text h1 {
    font-size: 60px;
    margin-top: 20px;
}

.header-text h1 span {
    color: #daa520;
}

/*--------about--------*/
#about {
    padding: 80px 0;
    color: #ababab;
}

.row {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.about-col-1 {
    flex-basis: 35%;
}

.about-col-1 img {
    width: 100%;
    border-radius: 15px;
}

.about-col-2 {
    flex-basis: 60%;
}

.sub-title {
    font-size: 60px;
    font-weight: 600;
    color: #fff;
}

.tab-titles {
    display: flex;
    margin: 20px 0 40px;
}

.tab-links {
    margin-right: 50px;
    font-size: 18px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
}

.tab-links::after {
    content: '';
    width: 0;
    height: 3px;
    background: #daa520;
    position: absolute;
    left: 0;
    bottom: -8px;
    transition: 0.5s;
}

.tab-links.active-link::after {
    width: 50%;
}

.tab-contents ul li {
    list-style: none;
    margin: 10px 0;
}

.tab-contents ul li span {
    color: #b8860b;
    font-size: 14px;
}

.tab-contents {
    display: none;
}

.tab-contents.active-tab {
    display: block;
}

/*---------services---------*/
#services {
    padding: 30px 0;
}

.services-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: 40px;
    margin-top: 50px;
}

.services-list div {
    background: #262626;
    padding: 40px;
    font-size: 13px;
    font-weight: 300;
    border-radius: 10px;
    transition: background 0.5s, transform 0.5s;
}

.services-list div i {
    font-size: 50px;
    margin-bottom: 30px;
}

.services-list div h2 {
    font-size: 30px;
    font-weight: 500;
    margin-bottom: 15px;
}

.services-list div a {
    text-decoration: none;
    color: #fff;
    font-size: 12px;
    margin-top: 20px;
    display: inline-block;
}

.services-list div:hover {
    background: #daa520;
    transform: translateY(-10px);
}

/*--------portfolio--------*/
#portfolio {
    padding: 50px 0;
}

.work-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-gap: 40px;
    margin-top: 50px;
}

.work {
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.work img {
    width: 100%;
    border-radius: 10px;
    display: block;
    transition: transform 0.5s;
}

.layer {
    width: 100%;
    height: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.6), #daa520);
    border-radius: 10px;
    position: absolute;
    left: 0;
    bottom: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 40px;
    text-align: center;
    font-size: 14px;
    transition: height 0.5s;
}

.layer h3 {
    font-weight: 500;
    margin-bottom: 20px;
}

.layer a {
    margin-top: 20px;
    color: #daa520;
    text-decoration: none;
    font-size: 18px;
    line-height: 60px;
    background: #fff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
}

.work:hover img {
    transform: scale(1.1);
}

.work:hover .layer {
    height: 100%;
}

.btn {
    display: block;
    margin: 50px auto;
    width: fit-content;
    border: 1px solid #daa520;
    padding: 14px 50px;
    border-radius: 6px;
    text-decoration: none;
    color: #fff;
    transition: background 0.5s;
}

.btn:hover {
    background: #daa520;
}

/*---------contact--------*/
.contact-left {
    flex-basis: 35%;
}

.contact-right {
    flex-basis: 60%;
}

.contact-left p {
    margin-top: 30px;
}

.contact-left p i {
    color: #ababab;
    margin-right: 15px;
    font-size: 25px;
}

.social-icons {
    margin-top: 30px;
}

.social-icons a {
    text-decoration: none;
    font-size: 30px;
    margin-right: 15px;
    color: #ababab;
    display: inline-block;
    transition: transform 0.5s;
}

.social-icons a:hover {
    color: #daa520;
    transform: translateY(-5px);
}

.btn.btn2 {
    display: inline-block;
    background: #daa520;
}

.contact-right form {
    width: 100%;
}

form input,
form textarea {
    width: 100%;
    border: 0;
    outline: none;
    background: #262626;
    padding: 15px;
    margin: 15px 0;
    color: #fff;
    font-size: 18px;
    border-radius: 6px;
}

form .btn2 {
    padding: 14px 60px;
    font-size: 18px;
    margin-top: 20px;
    cursor: pointer;
}

.copyright {
    width: 100%;
    text-align: center;
    padding: 25px 0;
    background: #262626;
    font-weight: 300;
    margin-top: 20px;
}

.copyright i {
    color: red;
}
#goToTopBtn {
    display: none; 
    position: fixed; 
    bottom: 20px; 
    right: 30px; 
    z-index: 99; 
    border: none; 
    outline: none; 
    background-color: #555; 
    color: white; 
    cursor: pointer; 
    width: 50px; 
    height: 50px; 
    border-radius: 50%; 
    font-size: 18px; 
    text-align: center; 
    line-height: 50px; 
}
#goToTopBtn:hover {
    background-color: #daa520; 
}


/*----------css for small screen------*/
nav .fa-solid {
    display: none;
}

@media only screen and (max-width: 600px) {
    #header {
        background-image: url(../images/sayanbiswas/phone-background.jpg);
    }

    .header-text {
        margin-top: 100%;
        font-size: 16px;
    }

    .header-text h1 {
        font-size: 30px;
    }

    nav .fa-solid {
        display: block;
        font-size: 25px;
    }

    nav ul {
        background: #daa520;
        position: fixed;
        top: 0;
        right: -200px;
        width: 200px;
        height: 100vh;
        padding-top: 50px;
        z-index: 2;
        transition: right 0.5s;
    }

    nav ul li {
        display: block;
        margin: 25px;
    }

    nav ul .fa-solid {
        position: absolute;
        top: 25px;
        left: 25px;
        cursor: pointer;
    }

    .sub-title {
        font-size: 40px;
    }

    .about-col-1,
    .about-col-2 {
        flex-basis: 100%;
    }

    .about-col-1 {
        margin-bottom: 30px;
    }

    .about-col-2 {
        font-size: 14px;
    }

    .tab-links {
        font-size: 16px;
        margin-right: 20px;
    }

    .contact-left,
    .contact-right {
        flex-basis: 100%;
    }

    .copyright {
        font-size: 14px;
    }
}
#msg{
    color: #61b752;
    margin-top: -40px;
    display: block;
}

/* Design section styling with hover captions */
#designs {
    padding: 80px 0;
    margin-bottom: 80px;
}

.designs-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 40px;
    margin-top: 50px;
}

.designs-list > div {
    background: #262626;
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    height: 300px;
}

.designs-list > div:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(218, 165, 32, 0.3);
}

.designs-list > div .design-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.designs-list > div:hover .design-image {
    transform: scale(1.1);
}

.design-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.95));
    color: white;
    padding: 40px 30px 30px;
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.designs-list > div:hover .design-caption {
    transform: translateY(0);
}

.design-caption h2 {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 10px;
    color: #daa520;
}

.design-caption p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
    color: #ccc;
}

.design-caption a {
    text-decoration: none;
    color: #daa520;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid #daa520;
    padding-bottom: 2px;
    transition: color 0.3s ease;
}

.design-caption a:hover {
    color: #fff;
}

/* Remove old design styles */
.design-item:hover img {
    transform: scale(1.2);
    cursor: pointer;
}

.design-item {
    cursor: pointer;
}

.design-item .layer a {
    pointer-events: none;
}

#designs .work-list {
    display: none;
}

.design-item img {
    display: none;
}

/* Responsive design for designs section */
@media screen and (max-width: 768px) {
    .designs-list {
        grid-template-columns: 1fr;
        grid-gap: 30px;
    }
    
    .designs-list > div {
        height: 250px;
    }
    
    .design-caption {
        padding: 30px 20px 20px;
    }
    
    .design-caption h2 {
        font-size: 20px;
        margin-bottom: 8px;
    }
    
    .design-caption p {
        font-size: 13px;
        margin-bottom: 12px;
    }
    
    #designs {
        padding: 60px 0;
        margin-bottom: 60px;
    }
}

@media screen and (max-width: 1200px) and (min-width: 769px) {
    .designs-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .designs-list > div {
        height: 280px;
    }
    
    .design-caption h2 {
        font-size: 22px;
    }
}

/* Modal styles for design image viewing */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s;
}

.modal-content {
    position: relative;
    margin: auto;
    padding: 20px;
    width: 90%;
    max-width: 1000px;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.modal-content img {
    max-width: 100%;
    max-height: 80%;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(218, 165, 32, 0.3);
}

.close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
}

.close:hover,
.close:focus {
    color: #daa520;
    text-decoration: none;
}

#modalCaption {
    color: #fff;
    text-align: center;
    margin-top: 20px;
    font-size: 18px;
    font-weight: 500;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Mobile responsive for modal */
@media screen and (max-width: 600px) {
    .modal-content {
        width: 95%;
        padding: 10px;
    }
    
    .close {
        top: 10px;
        right: 15px;
        font-size: 30px;
    }
    
    #modalCaption {
        font-size: 16px;
    }
}