:root {
    --primary-bg: #1a1a1a;
    --secondary-bg: #2a2a2a;
    --border-color: #ffffff;
    --bg-color: #ffffff;
    --header-bg: #f5f5f5;
    --header-shadow: rgba(0, 0, 0, 0.3);
    --hover-color: #f09400;
    --switch-bg: rgb(247, 93, 93);
    --switch-color: #ffffff;
    --text-color: #000000;
    --btn-border-color: #201f1f;
    --btn-bg-color:#fa6001;
}

.dark-mode {
    --bg-color: #111111;
    --header-bg: #1d1d1d;
    --header-shadow: rgba(212, 212, 212, 0.5);
    --hover-color: #f39c12;
    --switch-bg: #ffffff;
    --switch-color: #f39c12;
    --text-color: #ffffff;
    --btn-border-color: #ff7700;
    --btn-bg-color: #8e8d8d;
}

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

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

body.dark-mode {
    background-color: var(--primary-bg);
    color: var(--text-color);
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: var(--header-bg);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    box-shadow: 0 2px 10px var(--header-shadow);
    transition: background-color 0.3s, box-shadow 0.3s;
}

.logo h1 {
    font-size: 24px;
    color: var(--text-color);
    padding-left: 10px;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    transition: all 0.3s;
    margin-top: 12px;
}

.nav-menu ul li {
    margin: 0 15px;
}

.nav-menu ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 18px;
    transition: color 0.3s;
}

.nav-menu ul li a:hover {
    color: var(--hover-color);
}

.toggle-switch {
    position: relative;
    margin-right: 15px;
}

#theme-switch {
    display: none;
}

#theme-switch + label {
    width: 50px;
    height: 26px;
    background: var(--switch-bg);
    display: block;
    border-radius: 50px;
    position: relative;
    cursor: pointer;
    transition: background 0.3s;
}

#theme-switch + label:before {
    content: '';
    width: 22px;
    height: 22px;
    background: var(--switch-color);
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: 0.3s;
}

#theme-switch:checked + label:before {
    transform: translateX(24px);
    background-color: var(--switch-bg);
}

#theme-switch:checked + label {
    background: var(--switch-color);
}

.menu-toggle {
    display: none;
    color: var(--text-color);
    font-size: 24px;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-menu ul {
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: -100%;
        background-color: var(--header-bg);
        width: 100%;
        transition: left 0.3s ease-in-out;
        padding: 20px 0;
    }
    
    .nav-menu ul.active {
        left: 0;
    }
    
    .nav-menu ul li {
        margin: 15px 0;
        text-align: center;
    }
    
    .menu-toggle {
        display: block;
        margin-right: 20px;
    }
}

/*header*/

/*portfolio gallery*/
  

.portfolio {
    max-width: 1200px;
    margin: 20px auto;
    padding: 40px 20px;
    text-align: center;
    box-sizing: border-box;
    border-radius: 12px;
    justify-content: center;
    align-items: center;
    color: var(--text-color);
    object-fit: cover;
}

.heading h1 {
    font-size: 2.5em;
    margin-bottom: 17px;
    color: var(--text-color);
}

.subtitle {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 30px;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 10px;
}

.filter-buttons .btn {
    margin: 0 5px;
}

.gallery-item {
    cursor: pointer;
    
}

.card {
    background-color: var(--bg-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(153, 153, 153, 0.3);
    transition: transform 0.3s ease;
    width: 90%;
    max-width: 400px;
    height: auto;
    margin-top: 30px;
    margin-left: 30px;
    margin-right: 30px;
}
.card:hover {
    transform: translateY(-5px);
}

.image-container {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.arrow-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #ff6b6b;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.diagonal-arrow {
    width: 20px;
    height: 20px;
    border-top: 2px solid #ffffff;
    border-right: 2px solid #ffffff;
    margin-right: 10px;
    transform: rotate(45deg);
}

.item-details {
    padding: 20px;
    text-align: center;
}

.category {
    font-size: 0.9em;
    color: var(--text-color);
    display: block;
    margin-bottom: 5px;
}

h3 {
    margin: 0;
    font-size: 1.2em;
    color: var(--text-color);
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
}

.lightbox-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
}

.close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
}

.close:hover,
.close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

.gallery-item:hover .image-container img {
    transform: scale(1.1);
}

.gallery-item:hover .overlay {
    opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
    .gallery-item {
        width: 100%;
    }
}
/*portfolio gallery*/
/*footer*/

footer {
    background-color: #000; /* Black background */
    color: #fff; /* White text */
    text-align: center;
    padding: 20px;
    width: 100%;
}

.footer-content {
    display: flex;
    justify-content: center; /* Center both items horizontally */
    align-items: center;
    flex-direction: column; /* Stack items vertically */
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

footer p {
    margin: 10px 0;
    font-size: 14px;
    text-align: center;
}

.brand {
    color: red;
    font-weight: bold;
}

.to-top {
    cursor: pointer;
    margin-top: 10px;
}

.circle {
    width: 50px;
    height: 50px;
    background-color: #fff; /* White circle background */
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.circle i  {
    font-size: 20px;
    color: #000;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row; /* Place items in a row on larger screens */
        justify-content: space-between; /* Space the copyright and to-top button */
    }

    .circle {
        width: 40px;
        height: 40px;
    }

    .circle i  {
        font-size: 18px;
    }

    footer p {
        font-size: 16px;
    }
}
/*footer*/