/* =========================
   RESET & BASE
========================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(
            180deg,
            #0b0f1a 0%,
            #0d1324 35%,
            #0a0e18 70%,
            #080b12 100%
    );
    color: #f0f0f0;
    font-size: 16px;
    line-height: 1.6;
}


/* =========================
   HEADER
========================= */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(13, 19, 36, 0.96);
    padding: 14px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #1e2436;
    backdrop-filter: blur(6px);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 22px;
}

nav ul li a {
    color: #e8eaf0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

nav ul li a:hover {
    color: #9bbcff;
}


/* =========================
   LAYOUT GLOBAL
========================= */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 70px 24px;
}

section {
    width: 100%;
}


/* =========================
   PRÉSENTATION
========================= */
#presentation h1 {
    font-size: 2.6rem;
    margin-bottom: 32px;
}

#presentation h1::after {
    content: "";
    display: block;
    width: 72px;
    height: 4px;
    margin-top: 14px;
    background: linear-gradient(90deg, #4f6fff, #8fa8ff);
}

#presentation .content {
    max-width: 850px;
}

#presentation .content p {
    color: #d6d9e0;
    margin-bottom: 18px;
    text-align: justify;
}

#presentation .content p:last-child {
    color: #ffffff;
    font-weight: 500;
}


/* =========================
   IMAGE PROFIL & CV
========================= */
.image-cv-wrapper {
    display: flex;
    justify-content: center;
    gap: 36px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.photo-profil {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    border: 3px solid #5a73ff;
    object-fit: cover;
}

.cv {
    display: flex;
    align-items: center;
}

.cv a {
    padding: 14px 32px;
    background: linear-gradient(135deg, #4f6fff, #6c87ff);
    color: #ffffff;
    font-weight: 600;
    border-radius: 40px;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cv a:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(79, 111, 255, 0.35);
}


/* =========================
   FORMATION / DIPLÔMES
========================= */
#diplomes h1 {
    font-size: 2.4rem;
    margin-bottom: 32px;
}

.diplomes-list {
    max-width: 720px;
    list-style: none;
}

.diplomes-list li {
    background-color: rgba(20, 26, 48, 0.9);
    padding: 18px 26px;
    margin-bottom: 16px;
    border-radius: 12px;
    border-left: 4px solid #5a73ff;
    color: #e4e6eb;
}


/* =========================
   PROJETS
========================= */
.projets-section {
    padding: 80px 0;
}

.projets-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 48px;
}

.projet {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 44px;
    background: linear-gradient(
            145deg,
            rgba(20, 26, 48, 0.95),
            rgba(13, 18, 36, 0.95)
    );
    padding: 48px;
    border-radius: 24px;
    margin-bottom: 60px;
}

.projet h2 {
    grid-column: 1 / -1;
    font-size: 2rem;
    margin-bottom: 18px;
}

.projet h3 {
    font-size: 0.85rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #9bbcff;
    margin: 20px 0 8px;
}

.projet p {
    grid-column: 1 / 2;
    color: #d2d6e0;
    line-height: 1.75;
    text-align: justify;
    margin-bottom: 14px;
}

.projet-img {
    grid-column: 1 / -1;
    width: 100%;
    max-width: 1100px;
    margin: 24px auto;
    border-radius: 16px;
}


/* =========================
   FOOTER
========================= */
footer {
    background-color: rgba(10, 14, 24, 0.95);
    padding: 24px;
    text-align: center;
    border-top: 1px solid #1e2436;
}

.footer-icons {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-top: 10px;
}

.footer-icons a {
    color: #e8eaf0;
    font-size: 1.4rem;
    transition: color 0.2s;
}

.footer-icons a:hover {
    color: #9bbcff;
}


/* =========================
   RESPONSIVE
========================= */
@media (max-width: 1024px) {
    .projet {
        grid-template-columns: 1fr;
        padding: 36px;
        gap: 32px;
    }

    .projets-wrapper {
        padding: 0 28px;
    }

    .projet p {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        gap: 10px;
    }

    .image-cv-wrapper {
        flex-direction: column;
        align-items: center;
    }

    .container {
        padding: 55px 20px;
    }

    #presentation h1,
    #diplomes h1 {
        font-size: 2rem;
    }
}