:root {
    --bg-black-900: #f2f2fc;
    --bg-black-100: #fdf9ff;
    --bg-black-50: #e8dfec;
    --text-black-900: #302e4d;
    --text-black-700: #504e70;
}

body.dark {
    --bg-black-900: #151515;
    --bg-black-100: #222222;
    --bg-black-50: #393939;
    --text-black-900: #ffffff;
    --text-black-700: #e9e9e9;
}

body {
    line-height: 1.5;
    font-size: 16px;
    font-family: 'Poppins', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    outline: none;
    text-decoration: none;
    box-sizing: border-box;
}

::before, ::after {
    box-sizing: border-box;
} 

ul {
    list-style: none;
}

.section {
    background: var(--bg-black-900);
    min-height: 100vh;
    padding: 0 30px;
    opacity: 1;
    position: fixed;
    top: 0;
    left: 270px;
    z-index: 0;
    bottom: 0;
    right: 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.section.prev-section {
    z-index: 1;
}

.section.back-section {
    z-index: 0;
}

.section.active {
    z-index: 2;
    opacity: 1;
    animation: slideSection 1s ease;
}

@keyframes slideSection {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(0);
    }
}

.hidden {
    display: none !important;
}

.main-content {
    padding-left: 270px;
}

.padd-15 {
    padding-left: 15px;
    padding-right: 15px;
}

.container {
    max-width: 1100px;
    width: 100%;
    margin: auto;
}

.section .container {
    padding-top: 60px;
    padding-bottom: 70px;
} 

.section-title {
    flex: 0 0 100%;
    max-width: 100%;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 40px;
    color: var(--text-black-900);
    font-weight: 700;
    position: relative;
}

.section-title h2::before, 
.section-title h2::after {
    content: "";
    height: 4px;
    background-color: var(--skin-color);
    position: absolute;
    left: 0;
}

.section-title h2::before {
    width: 50px;
    bottom: 0;
}

.section-title h2::after {
    width: 25px;
    bottom: -8px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px;
    margin-right: -15px;
    position: relative;
}

.btn {
    font-size: 16px;
    font-weight: 500;
    padding: 12px 35px;
    background-color: var(--skin-color);
    color: white;
    border-radius: 40px;
    display: inline-block;
    white-space: nowrap;
    transition: all 0.3s ease;
    border: none;
}

.btn:hover {
    transform: scale(1.05);
}

.shadow-dark {
    box-shadow: 0 0 20px rgba(48, 46, 77, 0.15);
}

a {
    color: var(--text-black-700);
}
/* aside */
.aside {
    width: 270px;
    height: 100vh;
    background: var(--bg-black-100);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 10;
    padding: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-right: 1px solid var(--bg-black-50);
}

.aside .logo {
    position: absolute;
    top: 50px;
    font-size: 30px;
    text-transform: capitalize;
}

.aside .logo a {
    color: var(--text-black-900);
    font-weight: 700;
    padding: 15px 20px;
    letter-spacing: 5px;
    position: relative;
}

.aside .logo a span {
    font-family: 'Clicker Script', cursive;
    font-size: 40px;
}
.aside .logo a::before,
.aside .logo a::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
}

.aside .logo a::before {
    border-bottom: 5px solid var(--skin-color);
    border-left: 5px solid var(--skin-color);
    left: 0;
    bottom: 0;
}

.aside .logo a::after {
    border-top: 5px solid var(--skin-color);
    border-right: 5px solid var(--skin-color);
    right: 0;
    top: 0;
}

.aside .nav-toggler {
    height: 40px;
    width: 45px;
    border: 1px solid var(--bg-black-50);
    position: fixed;
    left: 300px;
    top: 20px;
    border-radius: 5px;
    background-color: var(--bg-black-100);
    display: none;
    align-items: center;
    justify-content: center;
}

.aside .nav-toggler span {
    height: 2px;
    width: 18px;
    background-color: var(--skin-color);
    display: inline-block;
    position: relative
}

.aside .nav-toggler span::before,
.aside .nav-toggler span::after {
    content: "";
    height: 2px;
    width: 18px;
    background-color: var(--skin-color);
    position: absolute;
    left: 0;
}

.aside .nav-toggler span::before {
    top: -6px;
}

.aside .nav-toggler span::after {
    bottom: -6px;
}

.aside .nav {
    margin-top: 50px;
}

.aside .nav li {
    margin-bottom: 20px;
}

.aside .nav li a {
    font-size: 16px;
    font-weight: 600;
    display: block;
    color: var(--text-black-900);
    padding: 5px 15px;
    border-bottom: 1px solid var(--bg-black-50);
}

.aside .nav li a.active {
    color: var(--skin-color);
}

.aside .nav li a i {
    margin-right: 15px;
}

/* home section */
.home {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-black-900);
}

.home .home-info {
    flex: 0 0 60%;
    max-width: 60%;
}

h3.hello {
    font-size: 28px;
    margin: 15px 0;
}

h3.hello span {
    font-family: 'Clicker Script', cursive;
    font-size: 30px;
    font-weight: 700;
    color: var(--skin-color);
}

h3.my-profession {
    font-size:30px;
    margin: 15px 0;
}

.typing {
    color: var(--skin-color);
}

.home-info p {
    margin-bottom: 70px;
    font-size: 20px;
    color: var(--text-black-900);
}

.home .home-img {
    flex: 0 0 40%;
    max-width: 40%;
    text-align: center;
    position: relative;
}

.home-img::after,
.home-img::before {
    content: "";
    position: absolute;
    height: 80px;
    width: 80px;
}

.home-img::after {
    right: -20px;
    bottom: -40px;
    border-bottom: 10px solid var(--skin-color);
    border-right: 10px solid var(--skin-color);
}

.home-img::before {
    left: -20px;
    top: -40px;
    border-top: 10px solid var(--skin-color);
    border-left: 10px solid var(--skin-color);
}

.home .home-img img {
    margin: auto;
    border-radius: 5px;
    height: 400px;
    border: 5px solid var(--bg-black-100);
}

/* About */
.about .about-content {
    flex: 0 0 100%;
    max-width: 100%;
}

.about .about-content .about-text {
    flex: 0 0 100%;
    max-width: 100%;
}

.about .about-content .about-text h3 {
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 700;
    color: var(--text-black-900);
}

.about .about-content .about-text h3 span {
    color: var(--skin-color);
}

.about .about-content .about-text p {
    font-size: 16px;
    line-height: 25px;
    color: var(--text-black-700);
}

.about .about-content .personal-info, 
.about .about-content .skills{
    margin-top: 40px;
}

.about .about-content .personal-info {
    flex: 0 0 60%;
    max-width: 60%;
}

.about .about-content .personal-info .info-item {
    flex: 0 0 50%;
    max-width: 50%;
}

.about .about-content .personal-info .info-item p {
    font-weight: bold;
    padding: 10px;
    font-size: 16px;
    color: var(--text-black-900);
    border-bottom: 1px solid var(--bg-black-50);
}

.about .about-content .personal-info .info-item p span {
    font-weight: 400;
    color: var(--text-black-700);
    margin-left: 4px;
    display: inline-block;
}

.about .about-content .personal-info .buttons {
    margin-top: 30px;
}

.about .about-content .personal-info .buttons .btn {
    margin-right: 15px;
}

.about .about-content .skills {
    flex: 0 0 40%;
    max-width: 40%;
}

.about .about-content .skills .skill-item {
    flex: 0 0 100%;
    max-width: 100%;
    margin-bottom: 25px;
}

.about .about-content .skills .skill-item h5 {
    line-height: 40px;
    font-weight: 600;
    font-size: 16px;
    color: var(--text-black-900);
    text-transform: capitalize;
}

.about .about-content .skills .skill-item .progress {
    background-color: var(--bg-black-50);
    height: 7px;
    border-radius: 4px;
    width: 100%;
    position: relative;
}

.about .about-content .skills .skill-item .progress .progress-in {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    border-radius: 4px;
    background-color: var(--skin-color);
}

.about .about-content .skills .skill-item .skill-percent {
    position: absolute;
    right: 0;
    top: -40px;
    line-height: 40px;
    font-weight: 400;
    color: var(--text-black-900);
}

.about .about-content .education,
.about .about-content .experience {
    flex: 0 0 50%;
    max-width: 50%;
    margin-top: 30px;
}

.about .about-content h3.title {
    font-size: 24px;
    margin-bottom: 30px;
    font-weight: 700;
    color: var(--text-black-900);
}

.about .about-content .timeline-box {
    flex: 0 0 100%;
    max-width: 100%;
}

.about .about-content .timeline {
    background-color: var(--bg-black-100);
    padding: 30px 15px;
    border: 1px solid var(--bg-black-50);
    width: 100%;
    position: relative;
}

.about .about-content .timeline .timeline-item {
    position: relative;
    padding-left: 37px;
    padding-bottom: 50px;
}

.about .about-content .timeline .timeline-item:last-child {
    padding-bottom: 0;
}

.about .about-content .timeline .timeline-item::before {
    content: "";
    width: 1px;
    position: absolute;
    height: 100%;
    top: 0;
    left: 7px;
    background-color: var(--skin-color);
}

.about .about-content .timeline .circle-dot {
    position: absolute;
    left: 0;
    top: 0;
    height: 15px;
    width: 15px;
    border-radius: 50%;
    background-color: var(--skin-color);
}

.about .about-content .timeline .timeline-date {
    font-weight: 400;
    font-size: 14px;
    margin-bottom: 12px;
    color: var(--text-black-700);
}

.about .about-content .timeline .timeline-date .fa {
    margin-right: 5px;
}

.about .about-content .timeline .timeline-title {
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 15px;
    text-transform: capitalize;
    color: var(--text-black-900);
}

.about .about-content .timeline .timeline-text {
    line-height: 25px;
    font-size: 15px;
    color: var(--text-black-700);
    letter-spacing: 1px;
}

.about .about-content .timeline .timeline-text span.grade {
    color: var(--skin-color);
}

/* services */
.services .container {
    padding-bottom: 40px;
}

.services .service-item {
    margin-bottom: 30px;
    flex: 0 0 33.33%;
    max-width: 33.33%;
}

.services .service-item .service-item-inner {
    background-color: var(--bg-black-100);
    border: 1px solid var(--bg-black-50);
    border-radius: 10px;
    padding: 30px 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.services .service-item .service-item-inner:hover {
    box-shadow: 0 0 20px rgba(48, 46, 77, 0.15);
}

.services .service-item .service-item-inner .icon {
    height: 60px;
    width: 60px;
    border-radius: 50%;
    display: block;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.services .service-item .service-item-inner .icon .fa {
    font-size: 40px;
    color:  var(--skin-color);
    transition: all 0.3s ease;
}

.services .service-item .service-item-inner:hover .icon {
    background-color: var(--skin-color);
}

.services .service-item .service-item-inner:hover .icon .fa {
    color: white;
    font-size: 25px;
}

.services .service-item .service-item-inner h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-black-900);
    text-transform: capitalize;
}

.services .service-item .service-item-inner p {
    font-size: 16px;
    color: var(--text-black-700);
    line-height: 25px;
}

/* portfolio */
.portfolio .portfolio-heading {
    flex: 0 0 100%;
    max-width: 100%;
    margin-bottom: 40px;
}

.portfolio .portfolio-heading button {
    margin: 5px 10px;
    cursor: pointer;
}

.portfolio .portfolio-heading button.not-active{
    background-color: transparent;
    color: var(--skin-color);
    border: 1px solid var(--skin-color);
}

.portfolio .portfolio-heading button.not-active:hover {
    background-color: var(--skin-color);
    color: white;
}

/* .portfolio .portfolio-heading h2 {
    color: var(--text-black-900);
    font-weight: 500;
}  */



.portfolio .portfolio-item {
    flex:0 0 33.33%;
    max-width: 33.33%;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
    min-height: 280px;
    animation: item-appearing 1s ease;
}

@keyframes item-appearing {
    0% {
        transform: scale(0) rotate(45deg);
        opacity: 0;
    }

    100% {
        transform: scale(1) rotate(0);
        opacity: 1;
    }
}

.portfolio .portfolio-item-inner {
    border: 6px solid var(--bg-black-100);
    border-radius: 10px;
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.portfolio .portfolio-item-inner .portfolio-img {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 160px;
}

.portfolio .portfolio-caption {
    padding: 10px 12px;
    text-align: center;
    background: var(--bg-black-100);
    color: var(--text-black-900);
    font-weight: 600;
}

.portfolio .portfolio-caption h4 {
    margin: 0;
    font-size: 16px;
}

.portfolio .portfolio-item-inner .portfolio-img img {
    max-width: 100%;
    transition: all 0.3s ease;
}

.portfolio .portfolio-item .live {
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
    display: flex;
    gap: 40px;
    justify-content: center;
    align-items: center;
    width: 100%;
    background-color: rgba(48, 46, 77, 0.35);
    height: 100%;
}

.portfolio .portfolio-item .live h3 {
    margin: 5px;
    text-align: center;
    position: absolute;
    top: 20px;
    color: white;
    text-transform: uppercase;
    background-color: black;
    padding: 5px 20px;
    border-radius: 20px;
}
.portfolio .portfolio-item .live a {
    color: white;
    display: block;
    width: 100%;
    height: 100%;
    text-align: center;
    padding: 12px 35px;
}

.portfolio .portfolio-item:hover .live {
    transform: translateY(-100%);
}

.portfolio .portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio .portfolio-item .live button {
    cursor: pointer;
    padding: 0;
}

/* contact */
.contact .row {
    justify-content: center;
}

.contact-title {
    color: var(--skin-color);
    text-align: center;
    font-size: 25px;
    margin-bottom: 20px;
}

.contact-sub-title {
    color: var(--text-black-900);
    text-align: center;
    font-size: 15px;
    margin-bottom: 60px;
}

.contact .contact-info-item {
    flex: 0 0 25%;
    max-width: 25%;
    text-align: center;
    margin-bottom: 40px;
}

.contact .contact-info-item .icon .fa {
    font-size: 25px;
    color: var(--skin-color);
}

.contact .contact-info-item h4 {
    font-size:  18px;
    font-weight: 700;
    color: var(--text-black-900);
    text-transform: capitalize;
    margin: 15px 0 5px;
}

.contact .contact-info-item p {
    font-size: 16px;
    line-height: 25px;
    color: var(--text-black-700);
    font-weight: 500;
}

.contact .contact-form {
    flex: 0 0 100%;
    max-width: 100%;
}

.contact .contact-form .col-6 {
    flex: 0 0 50%;
    max-width: 50%;
}

.contact .contact-form .col-12 {
    flex: 0 0 100%;
    max-width: 100%;
}

.contact .contact-form .form-item {
    margin-bottom: 30px;
}

.contact .contact-form .form-item .form-control {
    width: 100%;
    height: 50px;
    border-radius: 25px;
    background-color: var(--bg-black-100);
    border: 1px solid var(--bg-black-50);
    padding: 10px 25px;
    font-size: 16px;
    color: var(--text-black-700);
    transition: all 0.3s ease;
}

.contact .contact-form .form-item .form-control:focus {
    box-shadow: 0 0 20px rgba(48, 46, 77, 0.15);
}

.contact .contact-form .form-item textarea.form-control {
    height: 140px;
    resize: none;
}

.contact .contact-form .btn {
    height: 50px;
    padding: 0 50px;
}

@media (max-width: 1199px) {
    .aside {
        left: -270px;
        transition: all 0.3s ease;
    }

    .aside.slider {
        transform: translateX(100%);
    }

    .aside .nav-toggler {
        display: flex;
        cursor: pointer;
        left: 30px;
    }
    .section {
        left: 0;
        transition: all 0.3s ease;
    }

    .section.slider {
        transform: translateX(270px);
    }

    .about .about-content .personal-info .info-item p span {
        display: block;
        margin-left: 0;
    }

    .nav-toggler {
        transition: all 0.3s ease;
    }

    .nav-toggler.slider {
        transform: translateX(270px);
    }

    .nav-toggler.slider span {
        background-color: transparent;
    }

    .nav-toggler.slider span::before {
        transform: rotate(45deg);
        top: 0;
    }

    .nav-toggler.slider span::after {
        transform: rotate(-45deg);
        top: 0;
    }
}

@media (max-width: 991px) {
    .home .home-img {
        display: none;
    }

    .home .home-info {
        flex: 0 0 100%;
        max-width: 100%;
    }
    .services .service-item,
    .portfolio .portfolio-item,
    .contact .contact-info-item {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (max-width: 767px) {
    .about .about-content .personal-info,
    .about .about-content .skills ,
    .about .about-content .education,
    .about .about-content .experience, 
    .contact .contact-form .col-6{
        flex: 0 0 100%;
        max-width: 100%;
    }

    .about .about-content .personal-info,
    .about .about-content .skills {
        text-align: center;
    }

    .about .about-content .personal-info .row:last-child {
        justify-content: center;
    }
}

@media (max-width: 592px) {
    .about .about-content .personal-info .row:last-child .buttons a:first-child{
        margin-bottom: 20px;
    }

    .services .service-item,
    .portfolio .portfolio-item,
    .contact .contact-info-item,
    .about .about-content .personal-info .info-item {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* certifications */
.certifications .cert-item {
    flex: 0 0 25%;
    max-width: 25%;
    padding: 15px;
}

.cert-item .cert-inner {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    background: var(--bg-black-100);
    border: 1px solid var(--bg-black-50);
    display: flex;
    flex-direction: column;
    height: 100%;
    padding-top: 12px; /* space between top of card and image */
}

.cert-item img {
    width: 100%;
    max-width: 100%;
    height: 150px; /* slightly reduced to allow for padding */
    box-sizing: border-box;
    object-fit: contain; /* contain avoids cropping important parts */
    display: block;
    margin-top: 6px; /* small gap from card top */
}

.cert-item .cert-body {
    padding: 12px;
}

.cert-item h4 {
    margin: 0 0 6px 0;
    color: var(--text-black-900);
    font-size: 16px;
}

.cert-item p.issuer {
    margin: 0;
    color: var(--text-black-700);
    font-size: 14px;
}

/* verify overlay */
.cert-verify {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, rgba(0,0,0,0.0), rgba(0,0,0,0.45));
    opacity: 0;
    transition: opacity 180ms ease;
}

.cert-verify a {
    background: var(--skin-color);
    color: white;
    padding: 8px 14px;
    border-radius: 24px;
    text-decoration: none;
    font-weight: 600;
}

.cert-item:hover .cert-verify,
.cert-item:focus-within .cert-verify {
    opacity: 1;
}

@media (max-width: 991px) {
    .certifications .cert-item {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

@media (max-width: 592px) {
    .certifications .cert-item {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* CV modal & floating button */
.cv-floating-btn {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 60;
    border-radius: 50px;
    padding: 12px 18px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--skin-color);
    color: white;
    box-shadow: 0 10px 30px rgba(48,46,77,0.18);
}

.cv-modal {
    position: fixed;
    inset: 0;
    z-index: 70;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cv-modal.hidden {
    display: none;
}

/* animate when shown */
.cv-modal:not(.hidden) .cv-modal-content {
    animation: cv-open 260ms ease both;
}

@keyframes cv-open {
    from { transform: translateY(12px) scale(0.995); opacity: 0; }
    to   { transform: translateY(0) scale(1); opacity: 1; }
}

.cv-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.6);
}

.cv-modal-content {
    position: relative;
    width: calc(100% - 48px);
    max-width: 1100px;
    height: 80vh;
    background: var(--bg-black-100);
    border: 1px solid var(--bg-black-50);
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    z-index: 72;
}

.cv-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--bg-black-50);
    background: linear-gradient(90deg, rgba(0,0,0,0.02), transparent);
}

.cv-modal-header h3 {
    margin: 0;
    color: var(--text-black-900);
}

.cv-modal-controls {
    display: flex;
    gap: 8px;
}

.cv-modal-body {
    flex: 1 1 auto;
    background: white;
}

.cv-modal-body iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* lock background scroll while modal open */
body.cv-open {
    overflow: hidden;
    touch-action: none;
}

/* responsive: on small screens make the modal full-screen and header compact */
@media (max-width: 767px) {
    .cv-modal-content {
        width: 100%;
        height: 100vh;
        max-width: none;
        border-radius: 0;
        margin: 0;
    }

    .cv-modal-header {
        padding: 10px 12px;
    }

    .cv-modal-controls .btn {
        padding: 8px 10px;
        font-size: 14px;
    }

    .cv-modal-body {
        height: calc(100vh - 56px); /* leave room for compact header */
    }

    .cv-modal-body iframe {
        height: 100%;
    }

    .cv-floating-btn {
        right: 12px;
        bottom: 12px;
        padding: 10px 14px;
    }
}

@media (max-width: 480px) {
    .cv-modal-header h3 { font-size: 16px; }
    .cv-modal-controls .btn { padding: 6px 8px; font-size: 13px; }
}

/* ensure the modal respects dark mode */
body.dark .cv-modal-content {
    background: var(--bg-black-100);
}

@media (max-width: 767px) {
    .cv-modal-content { height: 85vh; }
    .cv-floating-btn { right: 16px; bottom: 16px; }
}