:root {
    --bg: #020c1b;
    --bg-soft: #0a192f;
    --bg-card: rgba(15, 23, 42, 0.86);
    --bg-elevated: rgba(17, 34, 60, 0.9);
    --text: #e6f1ff;
    --muted: #a8b2d1;
    --slate: #8892b0;
    --line: rgba(136, 146, 176, 0.25);
    --accent: #64ffda;
    --accent-strong: #7ef9d4;
    --shadow: rgba(2, 12, 27, 0.45);
    --container: 1120px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, rgba(100, 255, 218, 0.12), transparent 35%), var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: min(var(--container), calc(100% - 2rem));
    margin: 0 auto;
}

.section {
    padding: 6rem 0;
}

.section.muted {
    background: rgba(10, 25, 47, 0.58);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.narrow {
    width: min(880px, calc(100% - 2rem));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(10px);
    background: rgba(2, 12, 27, 0.7);
    border-bottom: 1px solid rgba(136, 146, 176, 0.15);
}

.nav-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 72px;
}

.brand {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--accent);
    border-radius: 12px;
    color: var(--accent);
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: 0 0 24px rgba(100, 255, 218, 0.15);
}

.site-nav {
    display: flex;
    gap: 1.5rem;
    color: var(--muted);
    font-size: 0.95rem;
}

.site-nav a {
    transition: color 0.2s ease;
}

/* Bouton burger, affiché seulement sur petit écran (voir media query). */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 0 10px;
    border: 1px solid rgba(100, 255, 218, 0.35);
    border-radius: 12px;
    background: transparent;
    cursor: pointer;
}

.nav-toggle-bar {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--accent);
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header.is-open .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-header.is-open .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.site-header.is-open .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--accent);
}

.hero {
    padding-top: 5rem;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 3rem;
}

.eyebrow {
    margin: 0 0 1rem;
    color: var(--accent);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-family: "Consolas", monospace;
}

.hero-copy h1,
.section-heading h3,
.contact-box h3 {
    margin: 0;
    line-height: 1.1;
}

.hero-copy h1 {
    font-size: clamp(2.8rem, 7vw, 5rem);
    letter-spacing: -0.05em;
}

.hero-copy h2 {
    margin: 0.5rem 0 1rem;
    color: var(--muted);
    font-size: clamp(1.2rem, 4vw, 2.1rem);
    letter-spacing: -0.03em;
}

.tagline {
    max-width: 560px;
    font-size: 1.08rem;
    color: var(--muted);
}

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--accent);
    color: #04263d;
    box-shadow: 0 8px 24px rgba(100, 255, 218, 0.2);
}

.btn-secondary {
    border: 1px solid var(--line);
    background: transparent;
    color: var(--text);
}

.btn-tertiary {
    border: 1px solid rgba(100, 255, 218, 0.35);
    background: rgba(100, 255, 218, 0.06);
    color: var(--accent);
}

.mini-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0 0;
    display: grid;
    gap: 0.75rem;
    color: var(--muted);
}

.mini-list li {
    position: relative;
    padding-left: 1.4rem;
}

.mini-list li::before {
    content: "▹";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.hero-card {
    position: relative;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(8, 17, 30, 0.9));
    border: 1px solid var(--line);
    border-radius: 1.4rem;
    padding: 1.5rem;
    box-shadow: 0 22px 60px var(--shadow);
}

.card-glow {
    position: absolute;
    inset: 12% auto auto 12%;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(100, 255, 218, 0.26), transparent 65%);
    filter: blur(16px);
    pointer-events: none;
}

.profile-box {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    padding: 1rem 0 1.25rem;
    border-bottom: 1px solid var(--line);
}

.avatar {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #b8fff1);
    color: #072237;
    font-size: 1.5rem;
    font-weight: 800;
}

.profile-box strong,
.meta-grid strong {
    display: block;
    font-size: 1rem;
    overflow-wrap: anywhere;
}

.meta-grid a:hover {
    color: var(--accent);
}

.profile-box span {
    color: var(--muted);
    font-size: 0.9rem;
}

.meta-grid {
    display: grid;
    gap: 1rem;
    margin-top: 1.5rem;
}

.meta-grid div {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--line);
}

.meta-grid span {
    display: block;
    color: var(--slate);
    font-size: 0.72rem;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: "Consolas", monospace;
}

.section-heading {
    margin-bottom: 2.5rem;
}

.section-heading h3 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.05em;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2rem;
    align-items: start;
}

.about-grid p {
    color: var(--muted);
    font-size: 1.05rem;
}

.about-panel {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: 1.2rem;
    padding: 1.5rem;
}

.about-panel h4 {
    margin: 0 0 1rem;
    font-size: 1.1rem;
}

.about-panel ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.8rem;
    color: var(--muted);
}

.about-panel li {
    position: relative;
    padding-left: 1.1rem;
}

.about-panel li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--accent);
}

.education-level {
    margin: 0;
    color: var(--accent-strong);
    font-size: 0.9rem;
}

.timeline {
    display: grid;
    gap: 1.25rem;
}

.timeline-item {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 1.25rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--line);
}

.timeline-period {
    color: var(--accent);
    font-family: "Consolas", monospace;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding-top: 0.3rem;
}

.timeline-content {
    background: rgba(17, 34, 60, 0.6);
    border: 1px solid var(--line);
    border-radius: 1rem;
    padding: 1.25rem 1.4rem;
}

.timeline-content h4 {
    margin: 0 0 0.4rem;
    font-size: 1.2rem;
}

.timeline-content h4 span {
    color: var(--slate);
    font-weight: 500;
}

.timeline-content p {
    margin: 0;
    color: var(--muted);
}

.experience-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.experience-details {
    display: grid;
    gap: 0.45rem;
    margin: 1rem 0 0;
    padding-left: 1.2rem;
    color: var(--muted);
}

.experience-details li::marker {
    color: var(--accent);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.4rem;
}

.project-card {
    background: linear-gradient(180deg, rgba(17, 34, 60, 0.66), rgba(9, 18, 38, 0.94));
    border: 1px solid var(--line);
    border-radius: 1.1rem;
    padding: 1.5rem;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: rgba(100, 255, 218, 0.35);
}

.project-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    color: var(--accent);
}

.folder-icon {
    font-size: 1.2rem;
}

.projects-group-title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin: 3rem 0 1.2rem;
    color: var(--text);
    font-size: 1.15rem;
}

.projects-group-title:first-of-type {
    margin-top: 0;
}

.projects-group-title span {
    padding: 0.1rem 0.55rem;
    border: 1px solid rgba(100, 255, 218, 0.3);
    border-radius: 999px;
    color: var(--accent);
    font-family: "Consolas", monospace;
    font-size: 0.75rem;
}

.projects-more {
    display: flex;
    justify-content: center;
    margin-top: 1.6rem;
}

.projects-page {
    min-height: 80vh;
}

.back-link {
    display: inline-block;
    margin-bottom: 2rem;
    color: var(--accent);
    font-size: 0.9rem;
}

.projects-count {
    margin-left: 0.4rem;
    padding: 0.15rem 0.7rem;
    border: 1px solid rgba(100, 255, 218, 0.3);
    border-radius: 999px;
    color: var(--accent);
    font-family: "Consolas", monospace;
    font-size: 1rem;
    vertical-align: middle;
}

.projects-intro {
    max-width: 60ch;
    margin: 0.8rem 0 0;
    color: var(--muted);
}

.project-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
    margin: -0.8rem 0 1.4rem;
}

.project-shot {
    display: block;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    border: 1px solid var(--line);
    border-radius: 0.6rem;
    background: rgba(255, 255, 255, 0.04);
}

.project-shot--main {
    grid-column: 1 / -1;
}

.project-shot img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top left;
    transition: transform 0.3s ease;
}

.project-shot:hover img {
    transform: scale(1.03);
}

.project-card h4 {
    margin: 0;
    font-size: 1.4rem;
}

.project-type {
    margin: 0.5rem 0 0.9rem;
    color: var(--accent);
    font-family: "Consolas", monospace;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.project-card p {
    margin: 0;
    color: var(--muted);
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.project-stack-label {
    width: 100%;
    margin-bottom: 0.1rem;
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
}

.project-stack-item {
    padding: 0.35rem 0.65rem;
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: 999px;
    background: rgba(100, 255, 218, 0.08);
    color: var(--accent-strong);
    font-size: 0.8rem;
}

.project-details {
    margin-top: 1.3rem;
}

.project-details h5 {
    margin: 0 0 0.6rem;
    font-size: 0.95rem;
}

.project-details ul {
    display: grid;
    gap: 0.45rem;
    margin: 0;
    padding-left: 1.2rem;
    color: var(--muted);
}

.project-details li::marker {
    color: var(--accent);
}

.project-challenge {
    margin-top: 1.2rem !important;
    padding-top: 1rem;
    border-top: 1px solid var(--line);
}

.project-challenge strong {
    color: var(--accent-strong);
}

.skill-groups {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.skill-group {
    --skill-color: 100, 255, 218;
    padding: 1.15rem;
    border: 1px solid rgba(var(--skill-color), 0.2);
    border-radius: 1rem;
    background: rgba(var(--skill-color), 0.035);
}

.skill-group--frontend {
    --skill-color: 123, 163, 255;
}

.skill-group--data {
    --skill-color: 255, 190, 92;
}

.skill-group--design {
    --skill-color: 216, 145, 255;
}

.skill-group--tools {
    --skill-color: 120, 190, 200;
}

.skill-group--infra {
    --skill-color: 160, 200, 120;
}

.skill-group--security {
    --skill-color: 255, 125, 125;
}

.skill-group h4 {
    margin: 0 0 0.85rem;
    color: rgb(var(--skill-color));
    font-size: 1rem;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.skill-pill {
    background: rgba(var(--skill-color), 0.08);
    border: 1px solid rgba(var(--skill-color), 0.25);
    color: rgb(var(--skill-color));
    padding: 0.4rem 0.7rem;
    border-radius: 999px;
    font-size: 0.82rem;
}

/* Blocs « Tests » et « Sécurité · OWASP » des cartes projet : même mise en forme, couleur propre à chacun. */
.project-tests,
.project-owasp {
    --block-color: 123, 163, 255;
    margin-top: 1.2rem;
    padding: 0.9rem 1rem;
    border: 1px solid rgba(var(--block-color), 0.2);
    border-radius: 0.8rem;
    background: rgba(var(--block-color), 0.035);
}

.project-owasp {
    --block-color: 255, 125, 125;
}

.project-tests h5,
.project-owasp h5 {
    margin: 0 0 0.7rem;
    color: rgb(var(--block-color));
    font-size: 0.9rem;
}

.project-tests ul,
.project-owasp ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.project-tests li,
.project-owasp li {
    display: flex;
    gap: 0.6rem;
    align-items: baseline;
}

.project-tests li + li,
.project-owasp li + li {
    margin-top: 0.55rem;
}

.test-category,
.owasp-code {
    flex: 0 0 auto;
    padding: 0.1rem 0.45rem;
    border: 1px solid rgba(var(--block-color), 0.35);
    border-radius: 999px;
    color: rgb(var(--block-color));
    font-size: 0.8rem;
}

.owasp-code {
    font-family: monospace;
}

.test-detail,
.owasp-measure {
    color: var(--muted);
    font-size: 0.9rem;
}

.owasp-measure strong {
    color: var(--text);
}

.security-legend {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.6rem 1.2rem;
    margin: -0.5rem 0 2rem;
    color: var(--slate);
    font-size: 0.85rem;
}

.security-legend > span {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.security-domains {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.security-domain {
    padding: 1.6rem 1.6rem 1rem;
    border: 1px solid rgba(255, 125, 125, 0.2);
    border-radius: 1rem;
    background: rgba(255, 125, 125, 0.035);
}

.security-domain h4 {
    margin: 0 0 0.6rem;
    color: rgb(255, 125, 125);
    font-size: 1.1rem;
}

.security-domain ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

/* Un point par ligne, son étiquette de provenance alignée à droite. */
.security-domain li {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.4rem 1rem;
    padding: 0.75rem 0;
    border-top: 1px solid var(--line);
    color: var(--muted);
    line-height: 1.55;
}

.security-domain li:first-child {
    border-top: 0;
}

#securite .projects-group-title {
    margin-top: 4rem;
}

.security-projects {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.security-project {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1.6rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: var(--bg-card);
    color: var(--text);
    transition: border-color 0.2s, transform 0.2s;
}

.security-project:hover {
    border-color: rgba(255, 125, 125, 0.5);
    transform: translateY(-2px);
}

.security-project strong {
    font-size: 1.08rem;
}

.security-project-summary {
    color: var(--muted);
    line-height: 1.6;
}

.security-project-link {
    margin-top: auto;
    padding-top: 0.4rem;
    color: rgb(255, 125, 125);
    font-size: 0.9rem;
}

/* Provenance de chaque point : formation, alternance ou projet personnel. */
.security-tag {
    --tag-color: 123, 163, 255;
    display: inline-block;
    flex-shrink: 0;
    padding: 0.1rem 0.55rem;
    border: 1px solid rgba(var(--tag-color), 0.35);
    border-radius: 999px;
    color: rgb(var(--tag-color));
    font-size: 0.72rem;
    white-space: nowrap;
}

.security-tag--entreprise {
    --tag-color: 100, 255, 218;
}

.security-tag--perso {
    --tag-color: 255, 190, 92;
}

.contact-box {
    background: rgba(10, 25, 47, 0.85);
    border: 1px solid var(--line);
    border-radius: 1.3rem;
    padding: 2rem 1.5rem;
    text-align: center;
}

.contact-box p {
    color: var(--muted);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.contact-links a {
    color: var(--accent);
    border-bottom: 1px solid transparent;
}

.contact-links a:hover {
    border-color: var(--accent);
}

@media (max-width: 900px) {
    .hero-inner,
    .about-grid,
    .projects-grid,
    .skill-groups,
    .security-domains,
    .security-projects {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    /* Menu burger : la navigation se déplie sous l'en-tête. */
    .nav-toggle {
        display: inline-flex;
    }

    .site-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        gap: 0;
        padding: 0.5rem 0 1rem;
        background: var(--bg);
        border-bottom: 1px solid rgba(136, 146, 176, 0.15);
        box-shadow: 0 18px 30px var(--shadow);
    }

    .site-header.is-open .site-nav {
        display: flex;
    }

    .site-nav a {
        padding: 0.85rem 24px;
        font-size: 1rem;
    }

    .site-nav a + a {
        border-top: 1px solid rgba(136, 146, 176, 0.1);
    }
}

@media (max-width: 640px) {
    .section {
        padding: 4.5rem 0;
    }

    .hero {
        padding-top: 3.5rem;
    }

    .cta-row {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }
}