@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,500;1,500&display=swap');

* {
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
    box-sizing: border-box;
    font-family: "poppins";
    outline: none;
    border: none;
    color: #D3D3D3; 
}

body {
    background: #1B1B1B;
    height: 100vh;
}

html {
    font-size: 62.5%;
    overflow-x: hidden;
}

.header {
    position: fixed;
    left: 0;
    top: 0;
    padding: 2rem 10%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    color: #D3D3D3; /* Texte clair */
}

#menu {
    display: block;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    z-index: 101;
}

.sticky {
    border-bottom: 2px solid rgba(255, 255, 255, .1);
    background: #1B1B1B; /* Fond sombre */
}

.logo {
    font-size: 2.9rem;
    font-weight: 600;
    text-decoration: none;
    color: #D3D3D3; /* Texte clair */
    transform: translateX(-100%);
    opacity: 0;
    animation: RightSlide 1s ease forwards;
}

.success-message {
    color: #D3D3D3; /* Texte clair */
    font-size: 1.3rem;
    text-align: center;
}

@keyframes RightSlide {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }

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

#menu {
    color: #D3D3D3; /* Texte clair */
    font-size: 2.5rem;
    display: none;
}

.navbar a {
    display: inline-block;
    font-size: 1.7rem;
    text-decoration: none;
    margin: 0 2.5rem;
    font-weight: 500;
    letter-spacing: .02;
    transition: .5s ease;
    transform: translateY(-100px);
    opacity: 0;
    animation: TopSlide 1s ease forwards;
    animation-delay: calc(.2s * var(--vlr));
}

@keyframes TopSlide {
    0% {
        transform: translateY(-100px);
        opacity: 0;
    }

    100% {
        transform: translateY(0px);
        opacity: 1;
    }
}

.navbar a:hover,
.navbar a.active {
    color: #00C8A4; /* Accent vert-bleu */
}

section {
    padding: 9rem 9% 0rem;
    min-height: 100vh;
}

.education,
.contact,
.skills {
    overflow: hidden;
}

.home {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.text-content {
    max-width: 70rem;
}

.text-content h1 {
    font-size: 5rem;
    color: #D3D3D3; /* Texte clair */
    text-transform: capitalize;
    letter-spacing: .05rem;
    font-weight: 600;
    transform: translateY(-100px);
    opacity: 0;
    animation: RightSlide 1s ease forwards;
    animation-delay: 1s;
}

.text-animation {
    position: relative;
    width: 32.8rem;
    overflow: hidden;
}

.text-animation h2 {
    font-size: 3.2rem;
    font-weight: 700;
    color: transparent;
    -webkit-text-stroke: 0.7px #00C8A4; /* Accent vert-bleu */
    background: linear-gradient(90deg, #00C8A4, #1B1B1B, #00C8A4);
    background-size: 200%;
    -webkit-background-clip: text;
    animation: gradientShift 3s ease-in-out infinite, fadeInUp 0.8s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}

@keyframes gradientShift {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }

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

.text-animation::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    animation: darkenOverlay 3s ease forwards;
    opacity: 0;
}

@keyframes darkenOverlay {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}

.text-animation h2 {
    position: relative;
    z-index: 2;
}

.text-animation::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    width: 0;
    background: #00C8A4; /* Accent vert-bleu */
    animation: underlineGrow 1s ease forwards;
    animation-delay: 1.5s;
}

@keyframes underlineGrow {
    0% {
        width: 0;
    }

    100% {
        width: 100%;
    }
}

.text-content p {
    font-size: 1.4rem;
    margin: 1rem 0;
    transform: translateX(100px);
    opacity: 0;
    animation: leftSlide 1s ease forwards;
    animation-delay: 1.4s;
}

@keyframes leftSlide {
    0% {
        transform: translateX(100px);
        opacity: 0;
    }

    100% {
        transform: translateX(0px);
        opacity: 1;
    }
}

.btn-section {
    width: 32.5rem;
    height: 5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 2rem 0;
    position: relative;
}

.btn {
    height: 100%;
    width: 15rem;
    color: #D3D3D3; /* Texte clair */
    background: rgba(0, 200, 164, 0.1); /* Accent vert-bleu */
    border: 0.2rem solid rgba(0, 200, 164, 0.3);
    backdrop-filter: blur(5rem);
    border-radius: 0.8rem;
    font-size: 1.5rem;
    cursor: pointer;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

a.btn {
    text-decoration: none !important;
}

.btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -150%;
    width: 150%;
    height: 100%;
    background: linear-gradient(120deg,
            rgba(0, 200, 164, 0.3),
            rgba(27, 27, 27, 0.2),
            rgba(0, 200, 164, 0.3));
    transform: skewX(-30deg);
    z-index: 0;
    transition: left 0.6s ease;
}

.btn:hover::before {
    left: 100%;
    transition: left 0.6s ease-in-out;
}

.btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(0, 200, 164, 0.3);
}

.btn::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 200, 164, 0.2), transparent);
    animation: pulsate 3s infinite;
    z-index: -1;
}

@keyframes pulsate {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.5;
    }

    100% {
        transform: scale(1);
        opacity: 0.7;
    }
}

.social-media {
    margin: 2rem 0;
    display: flex;
    gap: 10px;
    justify-content: left;
}

.social-media i {
    font-size: 2.5rem;
    background: #00C8A4; /* Accent vert-bleu */
    padding: .8rem;
    margin: 0.3rem;
    border-radius: 50%;
    color: #D3D3D3; /* Texte clair */
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: background-color 0.3s ease, border-color 0.3s ease;
    animation: Bottom 1s ease forwards;
    animation-delay: calc(.2s * var(--vlr));
    transform: translateY(100px);
    opacity: 0;
    border: 2px solid transparent;
}

.social-media i:hover {
    background-color: #1B1B1B; /* Fond sombre au survol */
    border-color: #00C8A4; /* Accent vert-bleu */
}

@keyframes Bottom {
    0% {
        transform: translateY(100px);
        opacity: 0;
    }

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

.home img {
    width: 30vw;
    background: rgba(255, 255, 255, .1);
    border: .2rem solid rgba(255, 255, 255, .3);
    border-radius: 50%;
    filter: drop-shadow(0 0 8rem #00C8A4); /* Accent vert-bleu */
    animation: Scale 1s ease forwards;
    scale: 0;
    animation-delay: 2s;
}

@keyframes Scale {
    0% {
        scale: 0;
    }

    100% {
        scale: 1;
    }
}

.title {
    font-size: 4rem;
    margin-bottom: 3rem;
    font-weight: 600;
    text-align: center;
    transform: translateY(-100px);
    opacity: 0;
}

section.start-animation .title {
    animation: top 0.6s ease forwards;
}

@keyframes top {
    0% {
        transform: translateY(-100px);
        opacity: 0;
    }

    100% {
        transform: translateY(0px);
        opacity: 1;
    }
}

.title span {
    color: #00C8A4;  
}

.about2 img {
    height: 26rem;
    width: 26rem;
}

.text-content2 {
    text-align: center;
}

.text-content2 h2 {
    font-size: 2.6rem;
    transform: translatex(-100px);
    opacity: 0;
}

section.start-animation .text-content2 h2 {
    animation: Right 0.6s ease forwards;
}

@keyframes Right {
    0% {
        transform: translatex(-100px);
        opacity: 0;
    }

    100% {
        transform: translatex(0px);
        opacity: 1;
    }
}

.text-content2 p {
    font-size: 1.5rem;
    margin: 2rem 0 3rem;
    transform: translatex(100px);
    opacity: 0;
}

section.start-animation .text-content2 p {
    animation: Left 0.6s ease forwards;
}

@keyframes Left {
    0% {
        transform: translatex(100px);
        opacity: 0;
    }

    100% {
        transform: translatex(0px);
        opacity: 1;
    }
}

.education-experience {
    margin-bottom: 2rem;
    width: 100%;
}

.row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 2rem;
}

.column {
    flex: 1 1 45%;
    min-width: 280px;
}

.column:nth-child(1) {
    opacity: 0;
}

section.start-animation .column:nth-child(1) {
    animation: top 0.6s ease forwards;
    animation-delay: 0.8s;
}

.column:nth-child(2) {
    opacity: 0;
}

section.start-animation .column:nth-child(2) {
    animation: top 0.6s ease forwards;
    animation-delay: 0.8s;
}

.column h2 {
    font-size: 2rem;
    margin: 2rem 0 1rem 1.96rem;
    transform: translateY(-10px);
    opacity: 0;
}

section.start-animation .column h2 {
    animation: top 0.6s ease forwards;
    animation-delay: 0.8s;
}

.box {
    border-left: .2rem solid #00C8A4; 
}

.education-content {
    padding-left: 1.9rem;
}

.content {
    padding: 1.5rem;
    border: .2rem solid #00C8A4;  
    background: rgba(0, 200, 164, .1);
    border-radius: .5rem;
    margin-bottom: 2rem;
    position: relative;
}

.content::before {
    content: "";
    position: absolute;
    left: -2.8rem;
    top: -1.5rem;
    height: 1.4rem;
    width: 1.4rem;
    border-radius: 50%;
    background: #00C8A4; 
}

.content .year {
    font-size: 1.5rem;
    color: #00C8A4;  
}

.content .year i {
    color: #00C8A4;  
    font-size: 1.5rem;
    margin-left: .5rem;
}

.content h3 {
    font-size: 1.6rem;
    letter-spacing: .05rem;
    margin: .5rem 0;
}

.content p {
    font-size: 1.5rem;
}


/* Projects Section */
.projects {
    text-align: center;
    background: #1B1B1B;
    color: #fff;
}

.projects .title {
    font-size: 4rem;
    margin-bottom: 2rem;
}

.projects-grid {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.card.featured {
    width: 350px;
    height: 200px;
}

.regular-projects {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem 15rem;
    max-width: 900px;
    margin: 0 auto;
}

.card {
    width: 350px;
    height: 200px;
    perspective: 1000px;
    text-align: center;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.card:hover .card-inner {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    height: 100%;
    width: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
}

.card-front {
    background: linear-gradient(135deg, #00C8A4, #006f60);  
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
}

.card-front h2 {
    font-size: 1.8rem;
}

.card-front p {
    font-size: 1.3rem;
}

.card-back {
    transform: rotateY(180deg);
    background: #1c1c1c;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.card-back p {
    font-size: 1.4rem;
    color: #fff;
    margin-bottom: 1rem;
}

.card-icons a {
    font-size: 1.8rem;
    color: #00C8A4;  
    margin: 1rem;
    text-decoration: none;
    position: relative;
    transition: transform 0.2s, box-shadow 0.3s;
}

.card-icons a:hover {
    transform: scale(1.2);
}

.card-icons a:hover::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 28px;
    height: 28px;
    border: 2px solid #00C8A4;  
    border-radius: 50%;
    transition: width 0.3s, height 0.3s;
}

.card-icons a:hover::before {
    width: 35px;
    height: 35px;
}

.card {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease-out, transform 0.7s ease-out;
}

.card.show {
    opacity: 1;
    transform: translateY(0);
}

/* Skills Section */
.skills {
    text-align: center;
    background: #1B1B1B;
    color: #fff;
}

.skills .title {
    font-size: 4rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    justify-items: center;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.skill-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 2rem;
    width: 200px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    text-align: center;
    transition: transform 0.3s;
}

.skill-card:hover {
    transform: translateY(-10px);
}

.skill-icon {
    font-size: 3rem;
    color: #00C8A4; 
    margin-bottom: 1rem;
    fill: #00C8A4;
    display: block;
}

.progress-circle {
    margin: 1rem auto;
    width: 60px;
    height: 60px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.progress-circle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: conic-gradient(#00C8A4 calc(var(--percentage) * 1%), rgba(255, 255, 255, 0.3) calc(var(--percentage) * 1%));
    -webkit-mask: radial-gradient(circle, transparent 48%, black 50%);
    mask: radial-gradient(circle, transparent 48%, black 50%);
}

.progress-circle::after {
    content: attr(data-percentage) '%';
    position: relative;
    z-index: 2;
    font-size: 1.2rem;
    color: #fff;
}

.skill-card {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease-out, transform 0.7s ease-out;
}

.skill-card.show {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1200px) {
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .regular-projects {
        gap: 2rem;
    }
}

@media (max-width: 600px) {
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        padding: 1rem;
    }
    
    .card, .card.featured {
        width: 350px !important;
        height: 200px !important;
        margin: 0 auto;
    }
    
    .regular-projects {
        gap: 2rem;
    }
}

/* Contact Section */
.contact {
    padding: 5rem 2rem;
    text-align: center;
    background: #1B1B1B;
    color: #fff;
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.contact.start-animation {
    opacity: 1;
    transform: translateY(0);
}

.contact .title {
    font-size: 4rem;
    margin-bottom: 1.2rem;
}

.contact form {
    max-width: 600px;
    margin: -0.8rem auto;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.input-box {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.input-box input {
    flex: 1;
    padding: 1.2rem;
    font-size: 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

textarea {
    width: 100%;
    padding: 1rem;
    font-size: 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    resize: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus,
textarea:focus {
    border-color: #00C8A4;
    box-shadow: 0 0 8px rgba(0, 200, 164, 1);
}

.btn2 {
    display: inline-block;
    padding: 1rem 3rem;
    font-size: 1.3rem;
    color: #fff;
    background: #00C8A4;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background 0.3s ease, box-shadow 0.3s ease;
    margin-top: 0.8rem;
}

.btn2:hover {
    background: #00C8A4;
    box-shadow: 0 4px 10px rgba(0, 200, 164, 1)
    ;
}


/* footer */

footer {
    background: #151515;
    padding: 1.6rem 9%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

footer p {
    font-size: 1.6rem;
}

footer i {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: .8rem;
    background: #00C8A4;
    color: #1B1B1B;
    border-radius: 50%;
    font-size: 2.4rem;
}

/* RESPONSIVE */
@media(max-width:1200px) {
    html {
        font-size: 55;
    }
}

@media(max-width:991px) {
    .header {
        padding: 2rem 9%;
        animation: none;
        position: fixed;
    }

    section {
        padding: 10rem 3% 2rem;
    }

    .contact {
        min-height: auto;
    }

    footer {
        padding: 2rem 3%;
    }
}

@media(max-width:768px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .card {
        width: 90%;
    }

    #menu {
        display: block;
        position: absolute;
        right: 50px;
        font-size: 24px;
        z-index: 10;
    }

    .header {
        position: relative;
        min-height: 50px;
    }

    .logo {
        font-size: 2.3rem;
    }

    .navbar {
        position: absolute;
        left: 0;
        top: 100%;
        width: 100%;
        padding: 1rem 3%;
        background: #1B1B1B;
        border-top: 1px solid rgba(255, 255, 255, .1);
        border-bottom: .2rem solid rgba(255, 255, 255, .1);
        display: none;
    }

    .navbar.active {
        display: block;
    }

    .navbar a {
        display: block;
        margin: 3rem 0;
        font-size: 2rem;
    }

    .home {
        display: flex;
        flex-direction: column-reverse;
        gap: 1rem;
        padding: 2rem 1rem;
    }

    .about2 {
        margin: 0 auto;
        padding: 1rem 0;
        text-align: center;
    }

    .about2 img {
        max-width: 100%;
    }

    .text-content {
        margin: 0;
        padding: 1rem 0;
    }

    .home .text-content {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
    }

    .home .text-content h1 {
        font-size: 4rem;
    }

    .title {
        opacity: 1;
        transform: translateY(0);
    }

    section.start-animation .title {
        animation: none;
    }
}

@media(max-width:450px) {
    html {
        font-size: 50%;
    }

    .input-box input {
        width: 100%;
    }
}

@media screen and (max-width: 1200px) {
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }

    .skill-card {
        width: 180px;
    }

    .skill-icon {
        font-size: 2.5rem;
    }
}

@media screen and (max-width: 800px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .skill-card {
        width: 160px;
    }

    .skill-icon {
        font-size: 2rem;
    }
}

@media screen and (max-width: 500px) {

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .skill-card {
        width: 140px;
    }

    .skill-icon {
        font-size: 1.8rem;
    }

    .progress-circle {
        width: 50px;
        height: 50px;
    }

    .progress-circle::after {
        font-size: 1rem;
    }
}