/* BASE */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    color: #eee;
    background: #0b0b0b;
    line-height: 1.5;
}

h1,
h2,
h3,
h4,
h5 {
    color: #fff;
    margin-bottom: 10px;
    font-weight: 400;
}

a {
    color: #eee;
    text-decoration: none;
    transition: .3s;
}

a:hover {
    color: #bbb;
}

.little-text {
    font-size: 13px;
    color: gray;
    font-style: italic;
}

/* NAVIGATION */

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: #111;
    z-index: 999;
    border-bottom: 1px solid #222;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.brand {
    font-weight: 700;
    font-size: 24px;
    letter-spacing: 2px;
}

.nav-list {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-list li a {
    padding: 8px 0;
    font-weight: 400;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #eee;
    transition: .3s;
}


/* SECTIONS, TITRES */

section {
    padding: 70px 20px;
    max-width: 900px;
    margin: 0 auto;
    border-bottom: 1px solid #222;
}

section h2 {
    font-size: 32px;
    text-align: center;
    color: #bbb;
    margin-bottom: 50px;
    position: relative;
    letter-spacing: 2px;
    text-transform: uppercase;
}

section h2::after {
    content: "";
    width: 60px;
    height: 2px;
    background: #eee;
    display: block;
    margin: 10px auto 0;
}

/* HERO */

#hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 120px 30px 90px;
    gap: 60px;
    min-height: 90vh;
    position: relative;
    overflow: hidden;
}

#hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 480px;
    text-align: left;
}

#hero h1 {
    font-size: 48px;
    line-height: 1.2;
}

#hero h1 span {
    color: #bbb;
    letter-spacing: 1px;
}

#hero p {
    margin: 15px 0;
    font-size: 20px;
    color: #999;
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    margin-top: 50px;
    background: transparent;
    border: 1px solid #eee;
    color: #eee;
    border-radius: 10px;
    font-weight: 500;
    cursor: pointer;
    transform: scale(1);
    transition: transform .3s, background-color .3s, color .3s, border .3s;
}

.btn:hover {
    background: #ffffff;
    color: #0b0b0b;
    transform: scale(1.05);
}

.hero-photo {
    position: relative;
    width: 250px;
    height: auto;
    flex-shrink: 0;
    z-index: 2;
}

.hero-photo img {
    width: 100%;
    height: auto;
    border-radius: 100%;
    border: 4px solid rgba(255, 255, 255, 0.1);
    object-fit: contain;
    filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.65)) drop-shadow(0 0 25px rgba(255, 255, 255, 0.08));
    animation: heroFloat 5s ease-in-out infinite;
}

.hero-photo::before {
    content: "";
    position: absolute;
    inset: -40px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.12), transparent 70%);
    filter: blur(45px);
    z-index: -1;
    opacity: 0.8;
    animation: heroGlow 7s ease-in-out infinite;
}

@keyframes heroGlow {
    0%,
    100% {
        transform: scale(1);
        opacity: .7;
    }
    50% {
        transform: scale(1.15);
        opacity: 1;
    }
}

.shadow-photo {
    position: absolute;
    left: 20px;
    width: 350px;
    height: auto;
    opacity: 0.5;
    z-index: 1;
    transform: scaleX(-1);
}

/* ABOUT */
#about {
    padding: 80px 0;
}

.about-card {
    background: #0c0c0c;
    border: 1px solid #1a1a1a;
    padding: 35px;
    border-radius: 8px;
    max-width: 800px;
    margin: auto;
    box-shadow: 0 0 35px rgba(255, 255, 255, 0.03);
}

.about-card p,
.about-card li {
    color: #c1c1c1;
    line-height: 1.55;
}

.about-card .intro {
    font-size: 18px;
    margin-bottom: 30px;
    color: #d6d6d6;
}

.info-block {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #1f1f1f;
}

.info-block h3 {
    font-size: 15px;
    color: #f2f2f2;
    letter-spacing: 2px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.info-block ul {
    list-style: none;
    padding: 0;
}

.info-block li {
    margin-bottom: 4px;
    color: #b3b3b3;
}

.langues-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: center;
}

.langues-list {
    flex: 1;
    min-width: 200px;
    list-style: none;
    padding: 0;
}

.langues-list li {
    margin-bottom: 8px;
    color: #b3b3b3;
    display: flex;
    align-items: center;
}

.flag-icon {
    width: 30px;
    height: auto;
    margin-left: 8px;
    border-radius: 2px;
    opacity: 0.9;
    vertical-align: middle;
}

.langues-photo {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.langues-photo img {
    max-width: 70%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.05);
}


/* EDUCATION */

.education-container {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.education-container .timeline {
    flex: 1;
    min-width: 300px;
}

.education-photo {
    margin-top: 25%;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.education-photo img {
    max-width: 75%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 0 35px rgba(255, 255, 255, 0.05);
}


/* SKILLS */

#skills {
    padding: 80px 20px;
    max-width: 900px;
    margin: auto;
    color: #eee;
}

.skills-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #0c0c0c;
    padding: 20px;
    border-radius: 10px;
    border: 1px solid #1f1f1f;
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.05);
    width: 120px;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: default;
}

.skill-item img {
    width: 50px;
    height: 50px;
    margin-bottom: 10px;
    transition: filter 0.3s;
}

.skill-item span {
    font-size: 14px;
    color: #ccc;
    text-align: center;
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.1);
}


/* EXPERIENCE (TIMELINE) */

#experience {
    padding: 80px 20px;
}

.timeline {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    max-width: 650px;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    background: #1f1f1f;
    margin-left: -1px;
    z-index: 0;
}

.timeline li {
    margin-bottom: 40px;
    padding: 20px;
    position: relative;
    z-index: 1;
    margin-left: auto;
    margin-right: auto;
    width: 90%;
    background: #0c0c0c;
    border: 1px solid #1f1f1f;
    border-radius: 10px;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.05);
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s, background 0.3s;
}

.timeline li h3 {
    color: #fff;
    margin-bottom: 5px;
    font-weight: 500;
    font-size: 18px;
    border-bottom: 1px solid #1f1f1f;
    padding-bottom: 8px;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.timeline li h3 .timeline-date {
    color: #999;
    font-weight: 400;
    font-style: italic;
    font-size: 14px;
    display: inline;
}

.timeline li p {
    color: #c0c0c0;
    margin-top: 15px;
    line-height: 1.5;
    font-size: 15px;
}

.timeline li:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1);
    background: #111;
    border-color: #555;
}

.timeline li a {
    color: #ccc;
    text-decoration: underline;
}

.timeline li a:hover {
    color: #fff;
}


/* CONTACT */

#contact {
    padding: 70px 20px;
    max-width: 1200px;
    margin: 0 auto;
    border-bottom: 1px solid #222;
}

.contact-content-wrapper {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 80px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-info-col {
    flex: 1;
    min-width: 300px;
    text-align: left;
    margin-top: 50px;
}

.contact-icon {
    vertical-align: middle;
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

.contact-image-col {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    min-width: 250px;
}

.contact-image-col img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.05);
}


/* FOOTER */

footer {
    text-align: center;
    padding: 20px 20px;
    background: #111;
    border-top: 1px solid #222;
    position: relative;
}

#scrollTop {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: #222;
    color: #eee;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    transition: .3s;
}

#scrollTop:hover {
    background: #333;
    color: #fff;
}

/* RESPONSIVE */

@media (max-width: 900px) {
    /* Hero */
    #hero {
        flex-direction: column;
        text-align: center;
    }

    .hero-content {
        text-align: center;
    }
}

@media(max-width:768px) {
    /* Navbar */
    .nav-list {
        display: none;
        flex-direction: column;
        width: 100%;
        background: #111;
        position: absolute;
        top: 60px;
        left: 0;
        padding: 15px;
    }

    .nav-list.show {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    /* Hero */
    #hero h1 {
        font-size: 36px;
    }

    #hero p {
        font-size: 16px;
    }

    .shadow-photo {
        display: none;
    }

    /* Langues Section */
    .langues-container {
        flex-direction: column;
    }

    .langues-photo {
        margin-top: 15px;
    }

    /* Education Section */
    .education-container {
        flex-direction: column;
    }

    .education-photo {
        margin-top: 20px;
    }

    /* Experience Timeline */
    .timeline {
        max-width: 100%;
    }

    .timeline::before {
        left: 50%;
    }

    .timeline li {
        width: 95%;
    }

    /* Contact Section */
    .contact-content-wrapper {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .contact-info-col {
        margin-top: 20px;
        text-align: center;
    }
}