:root {
    --bg-deep: #050507;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.06);
    --neon-cyan: #00f3ff;
    --neon-purple: #bc13fe;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --font-main: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; cursor: none; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
    background-color: var(--bg-deep);
    color: var(--text-main);
    font-family: var(--font-main);
    overflow-x: hidden;
    line-height: 1.6;
}

/* --- SCROLL PROGRESS BAR --- */
.scroll-progress {
    position: fixed; top: 0; left: 0; height: 3px;
    background: linear-gradient(90deg, var(--neon-purple), var(--neon-cyan));
    width: 0%; z-index: 99999;
    box-shadow: 0 0 10px var(--neon-cyan);
}

/* --- NÉBULEUSES (FOND) --- */
.nebula-container {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: -2; pointer-events: none; overflow: hidden;
}
.nebula {
    position: absolute; border-radius: 50%;
    filter: blur(80px); opacity: 0.4;
    animation: floatNebula 20s infinite alternate;
}
.nebula.one {
    width: 500px; height: 500px; background: var(--neon-purple);
    top: -100px; left: -100px; animation-duration: 25s;
}
.nebula.two {
    width: 400px; height: 400px; background: var(--neon-cyan);
    bottom: -50px; right: -50px; animation-duration: 30s;
}
.nebula.three {
    width: 300px; height: 300px; background: #3a0ca3;
    top: 40%; left: 30%; opacity: 0.2; animation-duration: 35s;
}

@keyframes floatNebula {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

/* --- CANVAS & CURSOR --- */
#starfield { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }

.cursor-halo {
    width: 20px; height: 20px; border: 1px solid var(--neon-cyan);
    border-radius: 50%; position: fixed; pointer-events: none; z-index: 10000;
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s, background 0.3s, border-color 0.3s;
    mix-blend-mode: exclusion; box-shadow: 0 0 10px var(--neon-cyan);
}
.cursor-halo.hovered {
    width: 50px; height: 50px; background: rgba(0, 243, 255, 0.1);
    border-color: var(--neon-purple); box-shadow: 0 0 30px var(--neon-purple);
}
.cursor-halo.clicking {
    transform: translate(-50%, -50%) scale(0.8); background: var(--neon-cyan);
}

/* --- CLICK PARTICLES --- */
.click-particle {
    position: fixed; pointer-events: none;
    width: 4px; height: 4px; border-radius: 50%;
    background: #fff; z-index: 9999;
    animation: explode 0.8s ease-out forwards;
}
@keyframes explode {
    0% { transform: translate(0, 0) scale(1); opacity: 1; }
    100% { transform: translate(var(--tx), var(--ty)) scale(0); opacity: 0; }
}

/* --- NAVBAR --- */
.navbar {
    position: fixed; top: 0; width: 100%; height: 80px;
    background: rgba(5, 5, 7, 0.6); backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000; display: flex; justify-content: center;
}
.navbar-container {
    width: 100%; max-width: 1200px; padding: 0 20px;
    display: flex; justify-content: space-between; align-items: center;
}
.navbar-logo {
    font-size: 1.5rem; font-weight: 700; color: #fff; text-decoration: none;
    text-transform: uppercase; letter-spacing: 2px;
    text-shadow: 0 0 10px var(--neon-cyan);
}
.navbar-logo:hover { animation: flicker 1.5s infinite alternate; }

.nav-right-pc { display: flex; align-items: center; gap: 20px; }
.mobile-nav { display: none; }

/* BOUTONS NÉON */
.nav-cv-button, .link-button {
    padding: 10px 25px;
    background: linear-gradient(90deg, transparent, rgba(0, 243, 255, 0.05), transparent);
    border: 1px solid var(--neon-cyan); color: var(--neon-cyan);
    text-decoration: none; text-transform: uppercase;
    font-size: 0.8rem; font-weight: 700;
    transition: 0.4s; position: relative; overflow: hidden; display: inline-block;
}
.nav-cv-button::before, .link-button::before {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: 0.5s;
}
.nav-cv-button:hover::before, .link-button:hover::before { left: 100%; }
.nav-cv-button:hover, .link-button:hover {
    background: var(--neon-cyan); color: #000;
    box-shadow: 0 0 30px var(--neon-cyan);
}

/* LANG BUTTONS */
.lang-switcher button {
    background: transparent; border: 1px solid rgba(255,255,255,0.2);
    color: #888; padding: 5px 10px; transition: 0.3s;
    font-family: var(--font-main); font-size: 0.75rem;
}
.lang-switcher button.active, .lang-switcher button:hover {
    border-color: var(--neon-purple); color: #fff; box-shadow: 0 0 10px var(--neon-purple);
}

/* --- HERO --- */
.hero-section {
    min-height: 100vh; display: flex; flex-direction: column;
    justify-content: center; align-items: center; text-align: center;
    padding: 0 20px; position: relative;
}
.hero-section h1 {
    font-size: clamp(3rem, 7vw, 6rem); margin-bottom: 20px;
    line-height: 1.1; letter-spacing: -2px;
}
.glitch-text {
    position: relative; color: #fff; font-weight: 800; display: inline-block;
}
.glitch-text::before, .glitch-text::after {
    content: "Kamil CINAR"; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--bg-deep);
}
.glitch-text::before {
    left: 2px; text-shadow: -1px 0 var(--neon-purple);
    clip: rect(24px, 550px, 90px, 0); animation: glitch-anim-2 3s infinite linear alternate-reverse;
}
.glitch-text::after {
    left: -2px; text-shadow: -1px 0 var(--neon-cyan);
    clip: rect(85px, 550px, 140px, 0); animation: glitch-anim 2.5s infinite linear alternate-reverse;
}

/* TYPING CURSOR */
.hero-section p {
    font-size: 1.2rem; color: var(--text-muted); max-width: 600px;
    margin-top: 20px; border-left: 3px solid var(--neon-purple);
    padding-left: 20px; min-height: 3.2em; /* Réserve espace */
    background: linear-gradient(90deg, rgba(188, 19, 254, 0.05), transparent);
}
.typing-cursor::after {
    content: '|'; animation: blink 1s infinite; color: var(--neon-cyan);
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* --- CARDS 3D --- */
main { max-width: 1200px; margin: 0 auto; z-index: 1; position: relative; }
section { padding: 120px 20px; }
h2 {
    font-size: 3rem; margin-bottom: 60px; text-transform: uppercase; font-weight: 800;
    background: linear-gradient(90deg, #fff, var(--text-muted));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    display: inline-block; position: relative;
}
h2::after {
    content: ''; display: block; width: 60px; height: 4px;
    background: var(--neon-cyan); margin-top: 10px;
    box-shadow: 0 0 15px var(--neon-cyan);
}

.about-grid, .skills-grid, .references-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px; perspective: 1000px;
}
.project-grid-container {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 40px;
}

.about-info-card, .skill-category-card, .reference-card, .project-card, .skill-en-card {
    background: var(--glass-bg); backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border); padding: 30px; border-radius: 16px;
    transform-style: preserve-3d;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transition: transform 0.1s ease-out; /* Super fluide */
}
.about-info-card:hover, .skill-category-card:hover, .reference-card:hover, .project-card:hover, .skill-en-card:hover {
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 50px rgba(0,0,0,0.7), 0 0 30px rgba(0, 243, 255, 0.15);
}

/* Contenu interne qui flotte (Parallaxe) */
.about-info-card ul, .skill-category-card ul, .project-card-content, .reference-card ul, .skill-en-card h4 {
    transform: translateZ(20px); /* Le texte sort de la carte */
}

/* TYPO INTERNE */
.about-info-card h3, .skill-category-card h4, .reference-card h3, .project-card h3 {
    margin-bottom: 20px; color: #fff; font-size: 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 10px;
}
.about-info-card li, .skill-category-card li, .reference-card li {
    margin-bottom: 12px; display: flex; align-items: center; gap: 12px;
    color: #ccc; font-size: 0.95rem;
}
.about-info-card i { color: var(--neon-purple); width: 20px; text-align: center; }

/* PROJECT CARDS */
.project-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.project-image-placeholder {
    height: 220px; width: 100%; overflow: hidden; border-bottom: 1px solid var(--glass-border);
    transform: translateZ(0); /* Fix z-index issue */
}
.project-image-placeholder img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94); filter: grayscale(90%);
}
.project-card:hover .project-image-placeholder img { transform: scale(1.1); filter: grayscale(0%); }
.project-card-content { padding: 25px; flex-grow: 1; display: flex; flex-direction: column; }

/* SPECS GRID */
.project-specs {
    display: grid; grid-template-columns: 1fr 1fr; gap: 15px;
    background: rgba(0,0,0,0.4); padding: 15px; border-radius: 8px;
    font-size: 0.85rem; margin-bottom: 20px;
    border: 1px solid rgba(255,255,255,0.05);
}
.spec-lbl { color: var(--neon-cyan); font-weight: 700; text-transform: uppercase; font-size: 0.7rem; }
.spec-full { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 10px; margin-top: 5px; }
.st-active .dot { background: var(--neon-purple); box-shadow: 0 0 8px var(--neon-purple); }
.st-done .dot { background: var(--neon-cyan); box-shadow: 0 0 8px var(--neon-cyan); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 8px; }

/* FILTERS */
.portfolio-filters { display: flex; gap: 15px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn {
    background: rgba(255,255,255,0.02); border: 1px solid var(--glass-border);
    color: #aaa; padding: 8px 25px; border-radius: 20px; transition: 0.3s;
}
.filter-btn.active, .filter-btn:hover {
    background: var(--neon-purple); border-color: var(--neon-purple);
    color: #fff; box-shadow: 0 0 15px var(--neon-purple);
}

/* SKILLS ENGLAIS (BARRES) */
.progress-item { margin-bottom: 20px; }
.progress-info { display: flex; justify-content: space-between; margin-bottom: 8px; font-size: 0.9rem; color: #ddd; font-weight: 600; }
.progress-bar-bg {
    width: 100%; height: 8px; background: rgba(255, 255, 255, 0.08);
    border-radius: 10px; overflow: hidden;
}
.progress-bar-fill {
    height: 100%; background: linear-gradient(90deg, var(--neon-purple), var(--neon-cyan));
    border-radius: 10px; box-shadow: 0 0 10px var(--neon-cyan);
    width: 0; animation: fillBar 1.5s ease-out forwards;
}
@keyframes fillBar { from { width: 0; } }
.tools-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.tool-tag {
    background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border);
    padding: 8px 15px; border-radius: 20px; font-size: 0.85rem; color: var(--neon-cyan); transition: 0.3s;
}
.tool-tag:hover { background: var(--neon-cyan); color: #000; box-shadow: 0 0 15px var(--neon-cyan); }

/* TIMELINE */
.timeline-container {
    border-left: 2px solid var(--neon-purple); padding-left: 40px; margin-left: 10px;
    box-shadow: inset 1px 0 0 rgba(188, 19, 254, 0.2);
}
.timeline-item { position: relative; margin-bottom: 50px; }
.timeline-item::before {
    content: ''; position: absolute; left: -49px; top: 5px;
    width: 16px; height: 16px; background: var(--bg-deep);
    border: 2px solid var(--neon-purple); border-radius: 50%;
    box-shadow: 0 0 15px var(--neon-purple); transition: 0.3s;
}
.timeline-item:hover::before { background: var(--neon-purple); transform: scale(1.3); box-shadow: 0 0 25px var(--neon-purple); }
.timeline-date {
    display: inline-block; background: rgba(188, 19, 254, 0.1);
    border: 1px solid rgba(188, 19, 254, 0.3); padding: 5px 12px; border-radius: 4px;
    font-size: 0.8rem; font-weight: 600; color: #fff; margin-bottom: 10px;
}
.timeline-item h4 { font-size: 1.3rem; color: var(--neon-cyan); margin-bottom: 5px; }

/* FOOTER */
footer {
    text-align: center; border-top: 1px solid var(--glass-border);
    padding: 80px 20px; background: rgba(0,0,0,0.5); margin-top: 50px;
}
.social-links { display: flex; justify-content: center; gap: 20px; margin: 30px 0; flex-wrap: wrap; }

/* GLITCH ANIMATIONS */
@keyframes glitch-anim {
    0% { clip: rect(13px, 9999px, 81px, 0); } 20% { clip: rect(78px, 9999px, 19px, 0); }
    40% { clip: rect(6px, 9999px, 16px, 0); } 60% { clip: rect(45px, 9999px, 8px, 0); }
    80% { clip: rect(100px, 9999px, 34px, 0); } 100% { clip: rect(2px, 9999px, 92px, 0); }
}
@keyframes glitch-anim-2 {
    0% { clip: rect(65px, 9999px, 100px, 0); } 20% { clip: rect(22px, 9999px, 14px, 0); }
    40% { clip: rect(89px, 9999px, 5px, 0); } 60% { clip: rect(10px, 9999px, 68px, 0); }
    80% { clip: rect(45px, 9999px, 20px, 0); } 100% { clip: rect(2px, 9999px, 44px, 0); }
}

    /* --- FIX LOGOS COMPÉTENCES --- */
.skill-category-card img {
    width: 28px;              /* Taille fixe petite */
    height: 28px;             /* Taille fixe petite */
    object-fit: contain;      /* Garde les proportions sans déformer */
    vertical-align: middle;   /* Aligne avec le texte */
    filter: drop-shadow(0 0 3px var(--neon-cyan)); /* Petit effet néon autour du logo */
    transition: transform 0.3s;
}

/* On s'assure que le texte et l'image sont bien alignés */
.skill-category-card li {
    display: flex;
    align-items: center;
    gap: 15px;               /* Espace entre logo et texte */
}

/* Petit effet quand tu passes la souris sur une ligne de compétence */
.skill-category-card li:hover img {
    transform: scale(1.2) rotate(5deg); /* Le logo grandit un peu */
    filter: drop-shadow(0 0 8px var(--neon-purple));
}

/* ANIMATIONS SCROLL */
.animate-on-scroll { opacity: 0; transform: translateY(50px); transition: 0.8s ease-out; }
.animate-on-scroll.is-visible { opacity: 1; transform: translateY(0); }

/* MOBILE RESPONSIVE */
.nav-toggle { display: none; background: none; border: none; padding: 10px; }
.burger-bar { display: block; width: 30px; height: 3px; background: #fff; margin: 6px 0; border-radius: 3px; transition: 0.3s; box-shadow: 0 0 5px var(--neon-cyan); }

@media (max-width: 900px) {
    .nav-right-pc { display: none; }
    .nav-toggle { display: block; z-index: 1002; }
    .nav-toggle.active .burger-bar:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
    .nav-toggle.active .burger-bar:nth-child(2) { opacity: 0; }
    .nav-toggle.active .burger-bar:nth-child(3) { transform: rotate(-45deg) translate(6px, -7px); }
    
    .mobile-nav {
        display: flex; position: fixed; top: 0; right: 0; width: 100%; height: 100vh;
        background: rgba(5, 5, 7, 0.98); backdrop-filter: blur(20px);
        flex-direction: column; justify-content: center; align-items: center;
        transform: translateX(100%); transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
        z-index: 1001; border-left: 1px solid var(--neon-purple);
    }
    .mobile-nav.active { transform: translateX(0); }
    .nav-list { flex-direction: column; text-align: center; gap: 30px; margin-bottom: 40px; }
    .nav-link { font-size: 1.8rem; font-weight: 700; color: #fff; }
    .mobile-extras { display: flex; flex-direction: column; align-items: center; gap: 20px; }
    .project-specs { grid-template-columns: 1fr; }


}