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

html {
    scroll-behavior: smooth;
}

body {
    background: #0a0b0e;
    color: #fff;
}

html,
body {
    overflow-x: hidden;
}

#header {
    width: 100%;
    height: 100vh;
    min-height: 100svh;
    background-image: url(images/BG_IMG_Laptop.png);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.container {
    padding: 10px 10%;
}

nav {
    position: fixed;
    top: 0;
    z-index: 1000;
    width: 80%;

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

    background: rgba(0, 0, 0, 0.8);  /* slightly transparent */
    backdrop-filter: blur(10px);     /* modern glass effect */
    padding: 6px 12px;
    border-radius: 16px; 

}

.logo {
    width: 140px;
}

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

/* Mode Toggle Styling */
.mode-toggle-container {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    vertical-align: middle;
}

.mode-label {
    font-size: 12px;
    font-weight: 600;
    color: #8f949f;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.mode-toggle-container.dev-active .mode-label-dev,
.mode-toggle-container.freelance-active .mode-label-freelance {
    color: #ffffff;
}

.mode-toggle {
    width: 65px;
    height: 32px;
    appearance: none;
    background: #1a1a1a;
    border-radius: 20px;
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8px;
    transition: all 0.3s ease;
    border: 2px solid #ff004f;
}

.mode-toggle:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

.toggle-icon {
    font-size: 14px;
    color: #fff;
    z-index: 1;
}

.toggle-switch {
    width: 24px;
    height: 24px;
    background: #ff004f;
    border-radius: 50%;
    position: absolute;
    left: 3px;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 0 10px rgba(255, 0, 79, 0.5);
}

.mode-toggle:hover {
    box-shadow: 0 0 15px rgba(255, 0, 79, 0.3);
}

/* States */
.mode-toggle.active .toggle-switch {
    transform: translateX(31px);
    background: #fff;
}

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: #ff004f;
    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;
    animation: slideIn 2s;
}

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

}

@keyframes slideIn {
    from {
        transform: translateX(20%);
    }

    to {
        transform: translateX(0);
    }
}

.header-text h1 span {
    color: #ff004f;
}

/* ---------about section start--------*/
#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: #ff004f;
    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: #b54769;
    font-size: 14px;
}

.tab-contents {
    display: none;
}

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


/* ------------------tech stack section starts----------*/
#tech-stack {
    padding: 80px 0;
    color: #ababab;
}

.tech-intro {
    text-align: center;
    font-size: 18px;
    margin-top: 10px;
    margin-bottom: 40px;
    color: #ababab;
}

.tech-category {
    margin-bottom: 50px;
}

.category-title {
    font-size: 28px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid #ff004f;
    display: inline-block;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    grid-gap: 30px;
    margin-top: 20px;
}

.tech-item {
    background: #262626;
    padding: 30px 20px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.tech-item:hover {
    background: #1a1a1a;
    transform: translateY(-10px);
    border-color: #ff004f;
    box-shadow: 0 10px 30px rgba(255, 0, 79, 0.3);
}

.tech-item i {
    font-size: 50px;
    color: #ff004f;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

.tech-item:hover i {
    transform: scale(1.2);
}

.tech-item p {
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    margin: 0;
}

/* Responsive adjustments for tech stack */
@media (max-width: 768px) {
    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        grid-gap: 20px;
    }

    .tech-item {
        padding: 20px 15px;
    }

    .tech-item i {
        font-size: 40px;
    }

    .tech-item p {
        font-size: 14px;
    }

    .category-title {
        font-size: 24px;
    }
}

@media (max-width: 600px) {
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-gap: 15px;
    }

    .tech-item {
        padding: 15px 10px;
    }

    .tech-item i {
        font-size: 35px;
    }

    .tech-item p {
        font-size: 12px;
    }
}

/* ------------------tech stack section ends----------*/

/* ------------------services section starts----------*/
#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: #ff004f;
    transform: translateY(-10px);
}

/* ------------------services section ends----------*/

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

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

@media (max-width: 1024px) {
    .work-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .work-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .work-list {
        grid-template-columns: 1fr;
    }
}

.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), #ff004f);
    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: #ff004f;
    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 #ff004f;
    padding: 14px 50px;
    border-radius: 6px;
    text-decoration: none;
    color: #fff;
    transition: background 0.5s;
    /*background: #0a0b0e;*/
}

.btn:hover {
    background: #ff004f;
}


/* ------------------portfolio section ends---------- */

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

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

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

.contact-left p i {
    color: #ff004f;
    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: #ff004f;
    transform: translateY(-5px);
}

.btn.btn2 {
    display: inline-block;
    background: #ff004f;
}

.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;
    background: #262626;
    font-weight: 300;
    margin-top: 20px;
}

.copyright i {
    color: #ff004f;
}

/* contact section ends */

/* css for small screens */

nav .fa-solid {
    display: none;
}

@media only screen and (max-width: 768px) {
    #header nav .fa-solid {
        display: block;
        font-size: 25px;
    }

    #header nav {
        position: fixed;
        top: 10px;
        left: 50%;
        transform: translateX(-50%);
    }

    #header nav > .fa-bars {
        position: absolute;
        top: 10px;
        right: 16px;
        font-size: 27px;
        z-index: 2102;
        cursor: pointer;
    }

    #header nav ul {
        background: rgba(8, 11, 18, 0.96);
        backdrop-filter: blur(8px);
        position: fixed;
        inset: 0;
        width: 100vw;
        height: 100dvh;
        min-height: 100vh;
        padding: 90px 28px 40px;
        z-index: 2000;
        overflow-y: auto;
        overflow-x: hidden;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translate3d(0, -12px, 0);
        transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    }

    #header nav ul.menu-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translate3d(0, 0, 0);
    }

    #header nav ul.menu-open + .fa-bars {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    #header nav ul li {
        display: block;
        margin: 22px 0;
    }

    #header nav ul li a {
        font-size: 28px;
        font-weight: 600;
        letter-spacing: 0.2px;
    }

    #header nav ul li.mode-toggle-container {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        gap: 8px;
    }

    #header nav ul li.mode-toggle-container .mode-label {
        font-size: 14px;
    }

    #header nav ul .fa-solid {
        position: absolute;
        top: 24px;
        left: 22px;
        right: auto;
        font-size: 30px;
        color: #fff;
        line-height: 1;
        z-index: 2101;
        cursor: pointer;
    }
}

@media (max-width: 768px) {
    .header-text h1 {
        font-size: 2rem;
    }

    .header-text p {
        font-size: 1rem;
    }
}

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

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

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

    .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: #ff004f;
    margin-top: -40px;
    display: block;
}