/* ==========================================
   ZEROXARZ PORTFOLIO 2026 - DESIGN ÉPURÉ
   Refonte complète : Minimaliste, Professionnel, Animé
   ========================================== */

/* Variables CSS modernes pour 2026 */
:root {
    /* Palette principale épurée */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #06b6d4;
    --accent: #f59e0b;
    
    /* Neutre moderne */
    --neutral-50: #fafafa;
    --neutral-100: #f5f5f5;
    --neutral-200: #e5e5e5;
    --neutral-800: #262626;
    --neutral-900: #171717;
    --neutral-950: #0a0a0a;
    
    /* Texte */
    --text-primary: #fafafa;
    --text-secondary: #a3a3a3;
    --text-muted: #737373;
    
    /* Fonds */
    --bg-primary: #0a0a0a;
    --bg-secondary: #171717;
    --bg-card: rgba(38, 38, 38, 0.5);
    
    /* Effets */
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
}

/* Reset moderne et base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--bg-secondary);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar moderne */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-light);
}

/* ==========================================
   ARRIÈRE-PLAN ANIMÉ ÉPURÉ
   ========================================== */

/* Grille subtile */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.15;
    background-image: 
        linear-gradient(to right, rgba(99, 102, 241, 0.1) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(99, 102, 241, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridScroll 20s linear infinite;
}

@keyframes gridScroll {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Effet de lumière flottante */
.particles::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
    animation: floatingLight 15s ease-in-out infinite;
}

@keyframes floatingLight {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30%, 20%) scale(1.1); }
    66% { transform: translate(-20%, 30%) scale(0.9); }
}

/* ==========================================
   LOADER ÉPURÉ
   ========================================== */

.loading-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-animation.hide {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(99, 102, 241, 0.1);
    border-top-color: var(--primary);
    border-right-color: var(--primary-light);
    border-radius: 50%;
    animation: loaderSpin 0.8s linear infinite;
    position: relative;
}

.loader::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 45px;
    height: 45px;
    margin: -22.5px 0 0 -22.5px;
    border: 4px solid rgba(6, 182, 212, 0.1);
    border-top-color: var(--secondary);
    border-left-color: var(--secondary);
    border-radius: 50%;
    animation: loaderSpinReverse 1s linear infinite;
}

.loader::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    margin: -15px 0 0 -15px;
    border: 4px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--primary-light);
    border-radius: 50%;
    animation: loaderSpin 1.2s linear infinite;
}

@keyframes loaderSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes loaderSpinReverse {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(-360deg); }
}

/* ==========================================
   NAVIGATION ÉPURÉE ET MODERNE
   ========================================== */

#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    animation: navSlideDown 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes navSlideDown {
    0% {
        opacity: 0;
        transform: translateY(-100%);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-base);
    letter-spacing: -0.02em;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width var(--transition-base);
}

.logo:hover {
    color: var(--primary-light);
}

.logo:hover::after {
    width: 100%;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--text-primary);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 60%;
}

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

/* ==========================================
   PAGES ET TRANSITIONS
   ========================================== */

.page {
    display: none;
    opacity: 0;
    min-height: 100vh;
    padding-top: 100px;
}

.page.active {
    display: block;
    animation: pageFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes pageFadeIn {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   SECTION HERO - DESIGN 2026
   ========================================== */

.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 0 var(--spacing-lg);
}

.hero-content {
    max-width: 900px;
    animation: heroFadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) 0.3s backwards;
}

@keyframes heroFadeIn {
    0% {
        opacity: 0;
        transform: translateY(60px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    animation: gradientShift 8s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    font-weight: 400;
}

.github-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 2rem;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.github-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.github-link:hover::before {
    left: 100%;
}

.github-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), 0 0 40px rgba(99, 102, 241, 0.5);
    background: var(--primary-light);
}

.github-link:active {
    transform: translateY(-1px);
}

/* ==========================================
   SECTIONS ET TITRES
   ========================================== */

.section-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    letter-spacing: -0.02em;
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    animation: lineExpand 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes lineExpand {
    0% {
        width: 0;
        opacity: 0;
    }
    100% {
        width: 80px;
        opacity: 1;
    }
}

.projects-section,
.skills-section,
.services-section,
.about-section,
.contact-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

/* ==========================================
   CARTES DE PROJET - DESIGN 2026
   ========================================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.project-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    animation: cardFadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

@keyframes cardFadeIn {
    0% {
        opacity: 0;
        transform: translateY(40px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-card:nth-child(1) { animation-delay: 0.1s; }
.project-card:nth-child(2) { animation-delay: 0.2s; }
.project-card:nth-child(3) { animation-delay: 0.3s; }
.project-card:nth-child(4) { animation-delay: 0.4s; }
.project-card:nth-child(5) { animation-delay: 0.5s; }
.project-card:nth-child(6) { animation-delay: 0.6s; }

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(6, 182, 212, 0.1));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(99, 102, 241, 0.2);
}

.project-card:hover::before {
    opacity: 1;
}

.project-card h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 1;
}

.project-card h2 i {
    color: var(--primary-light);
}

.project-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
}

.project-card a {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
    padding: var(--spacing-xs) 0;
}

.project-card a::after {
    content: '→';
    margin-left: var(--spacing-xs);
    transition: transform var(--transition-base);
}

.project-card a:hover {
    color: var(--secondary);
    gap: var(--spacing-md);
}

.project-card a:hover::after {
    transform: translateX(4px);
}

.astro-btn {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md) !important;
    background: var(--primary) !important;
    color: white !important;
    border-radius: var(--radius-full) !important;
    font-weight: 600 !important;
    transition: all var(--transition-base) !important;
    box-shadow: var(--shadow-md);
}

.astro-btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: var(--shadow-lg), 0 0 20px rgba(99, 102, 241, 0.4) !important;
}

.astro-btn.disabled {
    background: var(--neutral-800) !important;
    opacity: 0.5 !important;
    cursor: not-allowed !important;
}

/* ==========================================
   COMPÉTENCES - DESIGN 2026
   ========================================== */

.skills-section {
    padding: var(--spacing-2xl) var(--spacing-lg);
}

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

.skill-category {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    animation: cardFadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.skill-category:nth-child(1) { animation-delay: 0.1s; }
.skill-category:nth-child(2) { animation-delay: 0.2s; }
.skill-category:nth-child(3) { animation-delay: 0.3s; }
.skill-category:nth-child(4) { animation-delay: 0.4s; }

.skill-category:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg), 0 0 25px rgba(99, 102, 241, 0.15);
}

.skill-category h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.skill-category h3 i {
    color: var(--primary-light);
    font-size: 1.4rem;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-item {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-base);
    cursor: default;
}

.skill-item:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

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

/* ==========================================
   SERVICES - DESIGN 2026
   ========================================== */

.services-section {
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    animation: cardFadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }
.service-card:nth-child(6) { animation-delay: 0.6s; }

.service-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(99, 102, 241, 0.2);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-light);
    margin-bottom: var(--spacing-md);
    display: inline-block;
    transition: all var(--transition-base);
    position: relative;
    z-index: 1;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* ==========================================
   À PROPOS - DESIGN 2026
   ========================================== */

.about-section {
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    animation: cardFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.about-content h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    font-size: 1.05rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.stat-item {
    text-align: center;
    transition: transform var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

/* ==========================================
   CONTACT - DESIGN 2026
   ========================================== */

.contact-section {
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.contact-container {
    max-width: 900px;
    margin: 0 auto;
}

.contact-info-wrapper {
    animation: cardFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

.contact-info-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
}

.contact-info-card h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.contact-info-card > p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.contact-methods {
    display: grid;
    gap: var(--spacing-lg);
}

.contact-method {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.contact-method:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary);
    transform: translateX(8px);
}

.contact-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    transition: all var(--transition-base);
}

.contact-method:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
}

.contact-details {
    flex: 1;
}

.contact-details h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.contact-link {
    display: inline-block;
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-base);
}

.contact-link:hover {
    color: var(--secondary);
    gap: var(--spacing-sm);
}

.contact-link.disabled {
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.5;
}

.availability-status {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.status-indicator {
    width: 10px;
    height: 10px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 10px #22c55e;
    animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.availability-status span {
    color: #22c55e;
    font-weight: 600;
    font-size: 0.95rem;
}

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

footer {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
    border-top: 1px solid var(--glass-border);
    font-size: 0.95rem;
    background: var(--bg-secondary);
}

footer i {
    color: var(--primary-light);
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.2); }
    50% { transform: scale(1); }
}

/* ==========================================
   ANIMATIONS D'ENTRÉE
   ========================================== */

.fade-in {
    animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@media (max-width: 1200px) {
    .projects-grid,
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
    }
    
    #navbar {
        padding: var(--spacing-sm) 0;
    }
    
    .nav-container {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero {
        min-height: 70vh;
    }
    
    .projects-grid,
    .skills-grid,
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content,
    .contact-info-card {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .projects-section,
    .skills-section,
    .services-section,
    .about-section,
    .contact-section {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .project-card,
    .skill-category,
    .service-card {
        padding: var(--spacing-md);
    }
}

/* ==========================================
   ANIMATIONS DE PERFORMANCE
   ========================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Optimisation pour dark mode natif */
@media (prefers-color-scheme: dark) {
    body {
        background: var(--bg-primary);
        color: var(--text-primary);
    }
}