/* ═══════════════════════════════════════════════
   VARIABLES & RESET
═══════════════════════════════════════════════ */
:root {
    --bg: #0a0a0f;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a26;
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(99, 179, 237, 0.4);
    --text: #e8e8f0;
    --text-muted: #8888aa;
    --accent: #f3a9e7;
    --accent-glow: rgba(99, 179, 237, 0.25);
    --accent-2: #7ab2ea;
    --white: #ffffff;
    --font-display: 'JetBrains Mono', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    --radius: 16px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.7;
    overflow-x: hidden;
    width: 100%;
}

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

ul {
    list-style: none;
}

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

/* ═══════════════════════════════════════════════
   SCROLLBAR CUSTOM
═══════════════════════════════════════════════ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ═══════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════ */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

#navbar.scrolled {
    background: rgba(10, 10, 15, 0.98);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
}

.nav-links a:hover {
    color: var(--white);
    background: rgba(255,255,255,0.06);
}

.nav-cv-btn {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--bg);
    background: var(--accent);
    border: none;
    padding: 8px 20px;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-cv-btn:hover {
    background: var(--white);
    transform: translateY(-1px);
}

/* Burger */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* Mobile menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10,10,15,0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 999;
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
    display: flex;
}

.mobile-link {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.mobile-link:last-child {
    border-bottom: none;
}

.mobile-link:hover, .mobile-cv {
    color: var(--accent);
}

.mobile-cv {
    margin-top: 8px;
    font-weight: 600;
}

/* ═══════════════════════════════════════════════
   LANG SWITCHER
═══════════════════════════════════════════════ */
.lang-switcher {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-shrink: 0;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #ffffff;
    padding: 6px 12px;
    cursor: pointer;
    border-radius: 6px;
    font-weight: bold;
    font-size: 13px;
    transition: var(--transition);
}

.lang-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

/* Cache le 2e lang-switcher flottant sur mobile (celui hors navbar) */
body > .lang-switcher {
    display: none;
}

/* LA MAGIE DU CHANGEMENT */
[data-current-lang="fr"] .lang-en {
    display: none !important;
}
[data-current-lang="en"] .lang-fr {
    display: none !important;
}
[data-current-lang="en"] .lang-en {
    display: inline-block !important;
}

/* ═══════════════════════════════════════════════
   LAYOUT SECTIONS
═══════════════════════════════════════════════ */
section {
    padding: 100px 24px;
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 60px;
    text-align: center;
    position: relative;
}

.section-title.left-align {
    text-align: left;
}

.section-title::after {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: var(--accent);
    margin: 16px auto 0;
    border-radius: 2px;
}

.section-title.left-align::after {
    margin: 16px 0 0;
}

/* ═══════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════ */
#hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding-top: 80px;
    max-width: 1100px;
    position: relative;
}

.hero-bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(99,179,237,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99,179,237,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: -1;
}

#hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99,179,237,0.12) 0%, transparent 70%);
    top: -100px;
    right: -200px;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

#hero::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(159,122,234,0.08) 0%, transparent 70%);
    bottom: 0;
    left: -100px;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

.hero-content {
    max-width: 1000px;
    width: 100%;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(99,179,237,0.1);
    border: 1px solid rgba(99,179,237,0.25);
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 28px;
}

.hero-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

h1#rolling-text {
    font-family: var(--font-display) !important;
    font-size: clamp(1.6rem, 5vw, 4.5rem) !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.4) !important;
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    white-space: normal !important;
    overflow: hidden;
    min-height: 1.2em;
    line-height: 1.2;
    margin-bottom: 20px;
    text-align: left !important;
    direction: ltr !important;
    padding-left: 0 !important;
    margin-left: 0 !important;
}

h1#rolling-text::after {
    content: "";
    display: inline-block;
    width: 3px;
    height: 0.8em;
    background-color: var(--accent);
    margin-left: 8px;
    animation: blink 0.7s step-end infinite;
    vertical-align: middle;
}

@keyframes blink {
    50% { opacity: 0; }
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2.5vw, 1.8rem);
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.accent {
    color: var(--accent);
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 540px;
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 40px;
    height: 1px;
    background: var(--text-muted);
    animation: scroll-hint 2s ease infinite;
}

@keyframes scroll-hint {
    0%, 100% { width: 40px; opacity: 1; }
    50% { width: 20px; opacity: 0.4; }
}

/* ═══════════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════════ */
.btn-primary {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--bg);
    background: var(--accent);
    padding: 13px 28px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn-primary:hover {
    background: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-outline {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    background: transparent;
    padding: 13px 28px;
    border-radius: 50px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

/* ═══════════════════════════════════════════════
   À PROPOS
═══════════════════════════════════════════════ */
#about {
    border-top: 1px solid var(--border);
}

.about-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.8;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
    text-wrap: unset;
}

.about-text strong {
    color: var(--white);
    font-weight: 600;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 28px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ═══════════════════════════════════════════════
   PARCOURS
═══════════════════════════════════════════════ */
#parcours {
    border-top: 1px solid var(--border);
}

.timeline {
    position: relative;
    padding-left: 32px;
    max-width: 700px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--accent-2), transparent);
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -39px;
    top: 6px;
    width: 14px;
    height: 14px;
    background: var(--accent);
    border-radius: 50%;
    border: 3px solid var(--bg);
    box-shadow: 0 0 0 2px var(--accent);
    flex-shrink: 0;
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 28px;
    width: 100%;
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.timeline-date {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 8px;
}

.timeline-content h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
    line-height: 1.4;
}

.timeline-school {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-2);
    margin-bottom: 10px;
}

.timeline-content p:not(.timeline-school) {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 100%;
    margin: 0;
    text-wrap: unset;
}

/* ═══════════════════════════════════════════════
   COMPÉTENCES
═══════════════════════════════════════════════ */
#competences {
    border-top: 1px solid var(--border);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.skill-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}

.skill-block:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.skill-block-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.skill-block h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
}

.skill-block ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skill-block li {
    font-size: 0.9rem;
    color: var(--text-muted);
    padding-left: 16px;
    position: relative;
}

.skill-block li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
}

/* Badges */
.badges-section {
    text-align: center;
}

.badges-title {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.badges-wrap {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.badge {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    cursor: default;
}

.badge:hover {
    background: rgba(99,179,237,0.12);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(99,179,237,0.15);
}

/* ═══════════════════════════════════════════════
   PROJETS
═══════════════════════════════════════════════ */
#projets {
    border-top: 1px solid var(--border);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: var(--transition);
    cursor: default;
}

.project-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

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

.project-tag {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--accent);
    background: rgba(99,179,237,0.1);
    border: 1px solid rgba(99,179,237,0.2);
    padding: 4px 10px;
    border-radius: 50px;
}

.project-card h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.4;
}

.project-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.7;
    flex: 1;
    max-width: 100%;
    margin: 0;
    text-wrap: unset;
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 4px;
}

.project-stack span {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    padding: 3px 10px;
    border-radius: 4px;
}

/* ═══════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════ */
#contact {
    border-top: 1px solid var(--border);
}

.contact-inner {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-text {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 36px;
    width: 100%;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 22px;
    text-align: left;
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateX(4px);
}

.contact-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
}

.contact-card div {
    flex: 1;
}

.contact-card strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 2px;
}

.contact-card span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.contact-arrow {
    font-size: 1.2rem;
    color: var(--accent);
    opacity: 0;
    transform: translateX(-6px);
    transition: var(--transition);
}

.contact-card:hover .contact-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ═══════════════════════════════════════════════
   FORMULAIRE DE CONTACT
═══════════════════════════════════════════════ */
.contact-form-wrapper {
    width: 100%;
    max-width: 600px;
    margin: 32px auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.contact-form-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
    text-align: left;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.form-group input,
.form-group textarea {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
    resize: none;
    width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-submit {
    align-self: flex-start;
    margin-top: 4px;
}

.form-success {
    display: none;
    color: #68d391;
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 4px;
}

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
footer {
    border-top: 1px solid var(--border);
    padding: 48px 24px;
    text-align: center;
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 8px;
}

footer p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ═══════════════════════════════════════════════
   MODAL CV
═══════════════════════════════════════════════ */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
    width: 100%;
    max-width: 860px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.close-button {
    position: absolute;
    top: 16px;
    right: 20px;
    background: rgba(255,255,255,0.08);
    border: none;
    color: var(--text);
    font-size: 1.4rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.close-button:hover {
    background: rgba(255,255,255,0.15);
}

.modal-title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.modal-content iframe {
    border-radius: 10px;
    border: none;
}

.modal-download {
    margin-top: 20px;
    display: inline-block;
}

/* ═══════════════════════════════════════════════
   BOUTON RETOUR EN HAUT
═══════════════════════════════════════════════ */
.top-button {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 44px;
    height: 44px;
    background: var(--accent);
    color: var(--bg);
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px var(--accent-glow);
    transition: var(--transition);
    opacity: 0;
    pointer-events: none;
    z-index: 900;
}

.top-button.visible {
    opacity: 1;
    pointer-events: all;
}

.top-button:hover {
    background: var(--white);
    transform: translateY(-4px);
}

/* ═══════════════════════════════════════════════
   ANIMATIONS D'APPARITION
═══════════════════════════════════════════════ */
.reveal {
    opacity: 1;
    transform: translateY(30px);
    animation: reveal 0.8s ease forwards;
}

.reveal-delay-1 { animation-delay: 0.15s; }
.reveal-delay-2 { animation-delay: 0.3s; }
.reveal-delay-3 { animation-delay: 0.45s; }
.reveal-delay-4 { animation-delay: 0.6s; }

@keyframes reveal {
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 900px) {
    .nav-links { display: none; }
    .nav-cv-btn { display: none; }
    .burger { display: flex; }

    .about-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 600px) {
    section {
        padding: 80px 16px;
    }

    #hero {
        padding-top: 100px;
        padding-left: 16px;
        padding-right: 16px;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn-primary, .btn-outline {
        text-align: center;
        width: 100%;
    }

    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 12px;
    }

    .stat-card {
        flex: 1;
        min-width: 140px;
        flex-direction: column;
        text-align: center;
        gap: 8px;
        padding: 16px;
    }

    .timeline {
        padding-left: 20px;
    }

    .timeline-dot {
        left: -27px;
    }

    .top-button {
        bottom: 20px;
        right: 20px;
    }

    .hero-scroll-hint {
        display: none;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form-wrapper {
        padding: 20px;
    }

    .certif-grid {
        grid-template-columns: 1fr;
    }
}

/* ═══════════════════════════════════════════════
   ÉLÉMENTS DÉCORATIFS
═══════════════════════════════════════════════ */
.cyber-grid-overlay {
    opacity: 0.4;
    background-image:
        linear-gradient(rgba(0, 255, 136, 0.2) 1.5px, transparent 1.5px),
        linear-gradient(90deg, rgba(0, 255, 136, 0.2) 1.5px, transparent 1.5px);
    background-size: 60px 60px;
}

.cyber-grid-overlay::before {
    content: "✨ SYSTEM_STATUS: FABULOUS ✨";
    text-shadow: 0 0 10px var(--accent);
}

@keyframes scanline {
    0% { transform: translateY(-100vh); }
    100% { transform: translateY(100vh); }
}

body::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 15px;
    background: linear-gradient(to bottom, transparent, var(--accent-glow), transparent);
    opacity: 0.3;
    pointer-events: none;
    z-index: 9999;
    animation: scanline 8s linear infinite;
}

#sparkle-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.sparkle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: #ffffff;
    border-radius: 50%;
    box-shadow: 0 0 10px #ff007f, 0 0 20px #00f2ff;
    animation: sparkle-anim linear infinite;
    opacity: 0;
}

@keyframes sparkle-anim {
    0% { opacity: 0; transform: scale(0) rotate(0deg); }
    50% { opacity: 1; transform: scale(1.2) rotate(180deg); }
    100% { opacity: 0; transform: scale(0) rotate(360deg); }
}

/* ═══════════════════════════════════════════════
   CARTE
═══════════════════════════════════════════════ */
#map {
    height: 400px;
    width: 100%;
    border-radius: 20px;
    border: 2px solid #ff007f;
    box-shadow: 0 0 25px rgba(255, 0, 127, 0.4);
    margin-top: 30px;
    background: #1a051a !important;
}

.leaflet-container {
    background: #0d020d !important;
    font-family: 'Outfit', sans-serif;
}

/* ═══════════════════════════════════════════════
   CERTIFICATIONS
═══════════════════════════════════════════════ */
#certifications {
    border-top: 1px solid var(--border);
}

.certif-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.certif-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: var(--transition);
}

.certif-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.certif-card.in-progress {
    border-style: dashed;
}

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

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

.certif-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 4px 10px;
    border-radius: 50px;
}

.certif-badge.anssi {
    background: rgba(99, 179, 237, 0.15);
    color: var(--accent);
    border: 1px solid rgba(99, 179, 237, 0.3);
}

.certif-badge.cisco {
    background: rgba(159, 122, 234, 0.15);
    color: var(--accent-2);
    border: 1px solid rgba(159, 122, 234, 0.3);
}

.certif-card h3 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.3;
}

.certif-org {
    font-size: 0.8rem;
    color: var(--text-muted);
    flex: 1;
}

.certif-date {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.05em;
}

a.stat-card {
    cursor: pointer;
    text-decoration: none;
}

a.stat-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px var(--accent-glow);
}

/* ═══════════════════════════════════════════════
   ÉCRAN DE CHARGEMENT
═══════════════════════════════════════════════ */
#loader {
    position: fixed;
    inset: 0;
    background: #0a0a0f;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.loader-logo {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    color: var(--white);
    letter-spacing: 0.05em;
    animation: loader-glow 1.5s ease-in-out infinite alternate;
}

@keyframes loader-glow {
    from {
        text-shadow: 0 0 10px var(--accent), 0 0 20px var(--accent), 0 0 40px var(--accent);
        color: var(--white);
    }
    to {
        text-shadow: 0 0 20px var(--accent-2), 0 0 40px var(--accent-2), 0 0 80px var(--accent-2);
        color: var(--accent);
    }
}

.loader-bar-wrapper {
    width: 200px;
    height: 3px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    overflow: hidden;
}

.loader-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    border-radius: 2px;
    animation: loader-fill 1.8s ease forwards;
}

@keyframes loader-fill {
    0%   { width: 0%; }
    30%  { width: 40%; }
    60%  { width: 70%; }
    85%  { width: 90%; }
    100% { width: 100%; }
}

.loader-text {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    animation: loader-blink 1s step-end infinite;
}

@keyframes loader-blink {
    50% { opacity: 0; }
}

/* ═══════════════════════════════════════════════
   CURSEUR CUSTOM
═══════════════════════════════════════════════ */
* { cursor: none !important; }

#cursor-dot {
    position: fixed;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 999999;
    transform: translate(-50%, -50%);
    transition: width 0.2s ease, height 0.2s ease, background 0.2s ease;
}

#cursor-ring {
    position: fixed;
    width: 36px;
    height: 36px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 999998;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease, border-color 0.3s ease, opacity 0.3s ease;
    opacity: 0.6;
}

body.cursor-hover #cursor-dot {
    width: 12px;
    height: 12px;
    background: var(--accent-2);
}

body.cursor-hover #cursor-ring {
    width: 50px;
    height: 50px;
    border-color: var(--accent-2);
    opacity: 0.4;
}

body.cursor-click #cursor-dot {
    width: 6px;
    height: 6px;
    background: var(--white);
}

body.cursor-click #cursor-ring {
    width: 20px;
    height: 20px;
    border-color: var(--white);
    opacity: 1;
}

.cursor-sparkle {
    position: fixed;
    pointer-events: none;
    z-index: 999997;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: sparkle-fade 0.6s ease forwards;
}

@keyframes sparkle-fade {
    0%   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(0); }
}

@media (max-width: 900px) {
    * { cursor: auto !important; }
    #cursor-dot, #cursor-ring { display: none; }
}

/* ═══════════════════════════════════════════════
   MODE HACKER
═══════════════════════════════════════════════ */
body.hacker-mode {
    --accent: #00ff00;
    --accent-2: #00cc00;
    --accent-glow: rgba(0, 255, 0, 0.25);
    --border-hover: rgba(0, 255, 0, 0.4);
    --bg: #000800;
    --bg-card: #001000;
    --bg-card-hover: #001800;
}

body.hacker-mode #rolling-text {
    color: #00ff00 !important;
}

body.hacker-mode .nav-logo {
    color: #00ff00;
    text-shadow: 0 0 10px #00ff00, 0 0 20px #00ff00;
}

body.hacker-mode .hero-tag {
    color: #00ff00;
    border-color: rgba(0, 255, 0, 0.3);
    background: rgba(0, 255, 0, 0.08);
}

body.hacker-mode .accent { color: #00ff00; }
body.hacker-mode #cursor-dot { background: #00ff00; }
body.hacker-mode #cursor-ring { border-color: #00ff00; }

#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    transition: opacity 1s ease;
}

body.hacker-mode #matrix-canvas { opacity: 0.07; }

.hacker-toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: #001000;
    border: 1px solid #00ff00;
    color: #00ff00;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 12px 24px;
    border-radius: 8px;
    opacity: 0;
    transition: all 0.4s ease;
    z-index: 99998;
    white-space: nowrap;
    box-shadow: 0 0 20px rgba(0, 255, 0, 0.3);
    pointer-events: none;
}

.hacker-toast.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ═══════════════════════════════════════════════
   SELF-DESTRUCT
═══════════════════════════════════════════════ */
.self-destruct-wrapper {
    text-align: center;
    padding: 16px 0 32px;
}

#self-destruct-btn {
    font-family: 'Courier New', monospace;
    font-size: 0.7rem;
    font-weight: 700;
    color: rgba(255, 50, 50, 0.4);
    background: transparent;
    border: 1px dashed rgba(255, 50, 50, 0.25);
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.05em;
}

#self-destruct-btn:hover {
    color: rgba(255, 50, 50, 0.8);
    border-color: rgba(255, 50, 50, 0.5);
    box-shadow: 0 0 10px rgba(255, 50, 50, 0.2);
}

@keyframes shake {
    0%,100% { transform: translateX(0); }
    10%,50%,90% { transform: translateX(-8px) rotate(-1deg); }
    30%,70% { transform: translateX(8px) rotate(1deg); }
}

body.shaking { animation: shake 0.1s linear infinite; }

#destruct-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

#destruct-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.destruct-box {
    background: #0a0a0f;
    border: 1px solid #ff0000;
    border-radius: 16px;
    padding: 48px;
    max-width: 500px;
    width: 90%;
    text-align: center;
    box-shadow: 0 0 60px rgba(255, 0, 0, 0.3);
    animation: destruct-appear 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes destruct-appear {
    from { transform: scale(0.8); opacity: 0; }
    to   { transform: scale(1);   opacity: 1; }
}

.destruct-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    animation: destruct-pulse 0.5s ease infinite alternate;
}

@keyframes destruct-pulse {
    from { transform: scale(1);    filter: brightness(1); }
    to   { transform: scale(1.15); filter: brightness(1.5); }
}

.destruct-title {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: #ff0000;
    margin-bottom: 16px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.destruct-text {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: #888;
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 100%;
    text-wrap: unset;
    margin-left: 0;
    margin-right: 0;
}

.destruct-text span {
    color: #00ff00;
    font-weight: 700;
}

.destruct-progress {
    width: 100%;
    height: 4px;
    background: rgba(255, 0, 0, 0.15);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 24px;
}

.destruct-progress-bar {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, #ff0000, #ff6b6b);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: left;
    animation: destruct-bar 2s ease forwards;
}

@keyframes destruct-bar {
    0%   { transform: scaleX(0); }
    80%  { transform: scaleX(1); }
    100% { transform: scaleX(1); }
}

.destruct-close {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    color: #0a0a0f;
    background: #ff0000;
    border: none;
    padding: 12px 28px;
    border-radius: 50px;
    cursor: pointer;
    transition: 0.3s ease;
    letter-spacing: 0.05em;
}

.destruct-close:hover {
    background: #ff4444;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 0, 0, 0.4);
}

/* Paragraphes globaux — reset du centrage forcé */
p {
    max-width: 100%;
    margin: 0;
    text-wrap: unset;
}