/* --- VARIABLES --- */
:root {
    --bg: #0f172a;
    --accent: #38bdf8;
    --text: #f8fafc;
    --card-bg: rgba(56, 189, 248, 0.05);
    --card-border: rgba(56, 189, 248, 0.2);
}

/* --- RESET & BASE --- */
* { 
    box-sizing: border-box; 
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    scroll-behavior: smooth;
}

/* --- NAVIGATION --- */
nav {
    padding: 20px 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent);
    text-decoration: none;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
    margin: 0;
    padding: 0;
}

nav a {
    color: var(--text);
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.8;
    transition: 0.3s;
}

nav a:hover { 
    opacity: 1; 
    color: var(--accent); 
}

/* --- HERO SECTION --- */
.hero {
    height: 100vh; /* Augmenté pour l'impact */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.logo-main {
    font-size: clamp(3rem, 15vw, 5rem);
    font-weight: bold;
    color: var(--accent);
    letter-spacing: -2px;
    margin-bottom: 10px;
}

h1 {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: 300;
    margin-bottom: 20px;
}

.cta-button {
    margin-top: 30px;
    padding: 12px 25px;
    background-color: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s ease;
}

.cta-button:hover {
    background-color: var(--accent);
    color: var(--bg);
}

/* --- BADGES --- */
.badge {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    border: 1px solid var(--card-border);
    display: inline-block;
    text-decoration: none;
}

.badge-small {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent);
    padding: 5px 12px;
    border-radius: 30px;
    font-size: 0.7rem;
    border: 1px solid var(--card-border);
    display: inline-block;
}

/* --- SECTIONS --- */
section { 
    padding: 80px 10%; 
}

h2 {
    font-size: 2rem;
    margin-bottom: 40px;
    text-align: center;
}

h2 span {
    border-bottom: 2px solid var(--accent);
    padding-bottom: 5px;
}

/* --- PROJETS (GRID) --- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 20px;
    border-radius: 20px;
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    text-align: left;
}

.card-image-placeholder {
    width: 100%;
    height: 150px;
    background: rgba(56, 189, 248, 0.1);
    border-radius: 12px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 200%;
    color: var(--accent);
    border: 1px dashed var(--card-border);
}

.card:hover {
    transform: translateY(-10px);
    background: rgba(56, 189, 248, 0.1);
    border-color: var(--accent);
}

.card h3 { 
    margin-top: 0; 
    color: var(--accent); 
}

/* --- CONTACT --- */
.contact-container {
    text-align: center;
}

.contact-links {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.contact-links .badge:hover {
    background: var(--accent);
    color: var(--bg);
}

/* --- SKILLS --- */
.skills-container {
    display: flex; 
    justify-content: center; 
    gap: 15px; 
    flex-wrap: wrap;
}

/* --- FOOTER --- */
footer {
    padding: 40px;
    text-align: center;
    border-top: 1px solid var(--card-border);
    font-size: 0.8rem;
    opacity: 0.7;
}

/* --- MEDIA QUERIES --- */
@media (max-width: 600px) {
    section {
        padding: 60px 5%;
    }
    nav ul {
        gap: 10px;
    }
}