/**
 * STYLE PRINCIPAL - PORTFOLIO CYBER GLASSMORPHISM
 * BTS SIO - Design professionnel futuriste
 * Thème : Cyber / Glassmorphism avec effets neon
 */

/* ==============================================
   RESET & VARIABLES CSS
   ============================================== */

:root {
    /* Couleurs principales */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #8b5cf6;
    --accent: #ec4899;
    
    /* Couleurs de fond */
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: rgba(0, 0, 0, 0.3);
    
    /* Neon glow */
    --neon-primary: 0 0 20px rgba(99, 102, 241, 0.5);
    --neon-secondary: 0 0 20px rgba(139, 92, 246, 0.5);
    --neon-accent: 0 0 20px rgba(236, 72, 153, 0.5);
    
    /* Texte */
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Système */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Espacement */
    --container-max: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Bordures */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ==============================================
   UTILITAIRES
   ============================================== */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px var(--glass-shadow);
}

.neon-glow {
    box-shadow: var(--neon-primary);
}

/* ==============================================
   NAVIGATION
   ============================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition-normal);
}

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

.nav-logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-logo a:hover {
    color: var(--primary-light);
    text-shadow: var(--neon-primary);
}

.nav-logo i {
    color: var(--primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-light);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.theme-toggle:hover { background: var(--bg-secondary); border-color: var(--primary); transform: translateY(-1px); }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition-fast);
    border-radius: 2px;
}

/* ==============================================
   MAIN CONTENT
   ============================================== */

.main-content {
    min-height: calc(100vh - 200px);
    padding-top: 100px;
    padding-bottom: var(--spacing-lg);
}

/* ==============================================
   HERO SECTION
   ============================================== */

.hero {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content h2 {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto var(--spacing-md);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==============================================
   BUTTONS
   ============================================== */

.btn {
    padding: 0.8rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.btn-primary:hover {
    box-shadow: var(--neon-primary);
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-light);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
    box-shadow: var(--neon-primary);
}

/* ==============================================
   CARDS
   ============================================== */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.card {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--glass-shadow), var(--neon-primary);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

/* ==============================================
   SKILLS
   ============================================== */

.skills-category {
    margin-bottom: var(--spacing-lg);
}

.skills-category h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-light);
}

.skill-item {
    margin-bottom: var(--spacing-md);
}

.skill-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.skill-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.skill-name i {
    color: var(--primary);
}

.skill-level {
    color: var(--text-secondary);
}

.skill-bar {
    height: 10px;
    background: var(--glass-bg);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 10px;
    transition: width 1s ease;
    box-shadow: var(--neon-primary);
}

/* ==============================================
   PROJECTS
   ============================================== */

.project-card {
    position: relative;
    overflow: hidden;
}

.project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tech-badge {
    padding: 0.3rem 0.8rem;
    background: var(--glass-bg);
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--primary-light);
}

.project-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.project-links a {
    color: var(--primary-light);
    text-decoration: none;
    transition: var(--transition-fast);
}

.project-links a:hover {
    color: var(--primary);
    text-shadow: var(--neon-primary);
}

/* ==============================================
   CONTACT FORM
   ============================================== */

.contact-form {
    max-width: 600px;
    margin: var(--spacing-lg) auto;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--neon-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.form-error {
    color: var(--error);
    font-size: 0.85rem;
    margin-top: 0.3rem;
}

.form-success,
.form-error-message {
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.form-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.form-error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

/* ==============================================
   FOOTER
   ============================================== */

.footer {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-container {
    padding: 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--primary-light);
    font-size: 1.2rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary);
    box-shadow: var(--neon-primary);
    transform: translateY(-3px);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 0.5rem;
}

.footer-contact li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-secondary);
}

.footer-contact i {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
}



/* ==============================================
   RESPONSIVE DESIGN
   ============================================== */

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        width: 100%;
        padding: 2rem;
        gap: 1rem;
        transition: var(--transition-normal);
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Content update 2026–2027: retain the existing cards and cyber palette. */
[hidden] { display: none !important; }
a { color: var(--primary-light); }
p, a, h1, h2, h3 { overflow-wrap: anywhere; }
.card, .footer-section { min-width: 0; }
.section-space { margin-top: 3rem; }
.navbar.scrolled { padding: .5rem 0; box-shadow: 0 8px 32px var(--glass-shadow); }
.back-to-top { position: fixed; bottom: 24px; right: 24px; width: 48px; height: 48px; border: 0; border-radius: 50%; background: var(--primary); color: white; opacity: 0; visibility: hidden; cursor: pointer; z-index: 999; transition: var(--transition-normal); }
.back-to-top.visible { opacity: 1; visibility: visible; }
.modal { margin: auto; max-width: 92vw; max-height: 90vh; padding: 2rem 1rem 1rem; border: 1px solid var(--glass-border); border-radius: var(--radius-md); background: var(--bg-secondary); color: var(--text-primary); }
.modal::backdrop { background: rgba(0,0,0,.8); backdrop-filter: blur(5px); }
.modal img { display: block; max-width: 85vw; max-height: 78vh; }
.modal-close { position: absolute; top: 0; right: .5rem; font-size: 1.8rem; border: 0; background: transparent; color: inherit; cursor: pointer; }
.section-space h2 { margin-bottom: 1rem; }
.section-space .btn { margin-top: 1rem; }
.timeline { list-style: none; border-left: 2px solid var(--primary); margin: 2rem 0; padding-left: 1.5rem; }
.timeline li { margin: 0 0 1.5rem; }
.skills-category h2 { font-size: 1.5rem; margin-bottom: 1.5rem; }
.skills-category h3.skill-name { font-size: 1.1rem; margin-bottom: .5rem; }
.project-filters { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem; }
.project-filters .btn { padding: .6rem 1rem; }
.project-filters [aria-pressed="true"] { background: var(--primary); color: white; }
#projectCount { margin-top: 1.5rem; color: var(--text-secondary); }
.project-mark { color: var(--primary); font-size: 2rem; margin-bottom: 1rem; }
.project-card > .tech-badge { display: inline-block; margin-bottom: 1rem; }
.project-period { color: var(--text-secondary); margin-bottom: 1rem; }
.project-tech, .project-links { flex-wrap: wrap; }
.tech-badge { white-space: normal; }
details { margin-top: 1rem; }
summary { cursor: pointer; color: var(--primary-light); font-weight: 600; }
details ul { padding-left: 1.2rem; }
details li, details p { margin-top: 1rem; }
.document-frame { display: block; width: 100%; height: 75vh; min-height: 400px; max-height: 850px; border: 0; margin-top: 1.5rem; border-radius: var(--radius-sm); background: white; }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 4px; }
.menu-toggle { min-width: 36px; min-height: 40px; justify-content: center; align-items: center; }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (max-width: 1100px) {
    .nav-menu { position: fixed; top: 72px; left: 0; width: 100%; flex-direction: column; background: var(--bg-secondary); padding: 1.5rem; gap: .6rem; visibility: hidden; pointer-events: none; max-height: calc(100dvh - 72px); overflow-y: auto; }
    .nav-menu.active { visibility: visible; pointer-events: auto; }
    .menu-toggle { display: flex; }
}
@media (max-width: 480px) {
    .container, .footer-container { padding-left: 1rem; padding-right: 1rem; }
    .nav-logo a { font-size: 1.05rem; }
    .nav-actions { gap: .4rem; }
    .card { padding: 1.25rem; }
    .hero { padding: 3rem 0; }
    .project-filters .btn { width: auto; }
}

/* Finitions des composants publics */
.nav-container { gap: 1rem; }
.nav-menu { gap: 1.25rem; }
.nav-actions { flex-shrink: 0; }
.theme-toggle { width: 42px; height: 42px; border-radius: 12px; font-size: 1rem; }
.back-to-top { width: 44px; height: 44px; border: 1px solid var(--glass-border); border-radius: 14px; background: var(--bg-secondary); color: var(--primary-light); box-shadow: 0 4px 16px var(--glass-shadow); font-size: 1rem; transform: translateY(8px); }
.back-to-top.visible { transform: translateY(0); }
.back-to-top:hover { border-color: var(--primary); transform: translateY(-2px); }
.availability { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; max-width: 780px; margin: 0 auto 1.75rem; text-align: left; }
.availability-item { display: flex; align-items: flex-start; gap: .9rem; padding: 1.1rem 1.25rem; border-radius: var(--radius-md); }
.availability-item > i { color: var(--primary-light); margin-top: .3rem; }
.availability-item h3 { font-size: 1rem; margin-bottom: .3rem; }
.availability-item strong, .availability-item span { display: block; font-size: .9rem; color: var(--text-secondary); }
.home-domains > h2 { font-size: 1.6rem; }
.home-domains .cards-grid { margin-top: 1.5rem; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.25rem; }
.home-domains .card { padding: 1.5rem; }
.home-domains .card-title { font-size: 1.15rem; }
.home-domains .card-description { font-size: .95rem; }
.timeline { margin: 1.5rem 0 0 .4rem; padding-left: 1.6rem; border-color: var(--glass-border); }
.timeline li { position: relative; display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 1.25rem; padding: 1.25rem; background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md); margin-bottom: 1rem; }
.timeline li::before { content: ''; position: absolute; left: -2.06rem; top: 1.6rem; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); border: 3px solid var(--bg-secondary); }
.timeline-date { color: var(--primary-light); font-size: .9rem; font-weight: 600; }
.timeline h3 { font-size: 1.05rem; margin-bottom: .25rem; }
.timeline p { color: var(--text-secondary); font-size: .95rem; }
.timeline .timeline-goal { border-style: dashed; }
.timeline-goal::before { background: var(--bg-secondary) !important; border-color: var(--primary) !important; }
.final-cta { padding: 2rem; border-radius: var(--radius-lg); text-align: center; }
.final-cta h2 { font-size: 1.4rem; }
.document-page { max-width: 1000px; }
.document-page .hero p { max-width: 640px; margin: .75rem auto 0; color: var(--text-secondary); }
.document-panel h2 { margin-bottom: .75rem; }
.document-panel:hover { transform: none; box-shadow: 0 8px 32px var(--glass-shadow); }
.document-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.footer-content { grid-template-columns: 1.3fr .9fr .9fr 1.2fr; gap: 2rem; }
.footer-section h3 { font-size: 1rem; display: flex; align-items: center; gap: .6rem; }
.footer-section p, .footer-links, .footer-contact { font-size: .9rem; }
.footer-section > p { color: var(--text-secondary); }
.footer-domain { margin-top: .75rem; font-weight: 500; }
.footer-contact li { align-items: baseline; }
.footer-contact i, .footer-section h3 i { width: 1.1rem; flex-shrink: 0; text-align: center; }
.footer-contact a { color: var(--text-secondary); text-decoration: none; }
.footer-contact a:hover { color: var(--primary-light); }
@media (max-width: 1000px) { .home-domains .cards-grid, .footer-content { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) {
    .availability, .home-domains .cards-grid, .footer-content { grid-template-columns: 1fr; }
    .timeline li { grid-template-columns: 1fr; gap: .35rem; padding: 1rem; }
    .hero-content h2 { font-size: 1.35rem; }
    .hero-content p { font-size: 1rem; }
    .back-to-top { bottom: 16px; right: 16px; }
    .final-cta { padding: 1.5rem; }
}

/* Ajouts V1 : justificatifs, emplacements et états du formulaire. */
[hidden] { display: none !important; }
.certificate-preview { display:flex; justify-content:center; align-items:center; height:200px; overflow:hidden; border-radius:10px 10px 0 0; background:rgba(0,0,0,.2); }
.certificate-preview img { height:100%; width:100%; object-fit:contain; transition:transform .3s ease; }
.screenshot-placeholder { display:block; font-size:.85rem; color:var(--text-secondary); margin-top:.5rem; }
.project-card > .btn { margin-top:1rem; }
.document-actions { margin-top:1rem; }
#contactStatus { margin-bottom:1.5rem; }
#contactStatus[data-state="error"] { color:var(--error); }
#contactStatus[data-state="success"] { color:var(--success); }
button:disabled { opacity:.6; cursor:not-allowed; }