/* ============ Variables & Fonts ============ */
:root {
    --bg-color: #fdfdfd;
    --text-color: #111;
    --accent-color: #00aaff;
    --header-bg: #111;
    --header-text: #fff;
    --section-padding: 4rem 2rem;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 15px rgba(0, 170, 255, 0.1);
    --card-border: 1px solid rgba(0, 170, 255, 0.1);
}

html {
    overflow-x: hidden;
    width: 100%;
    box-sizing: border-box;
}

*, *::before, *::after {
    box-sizing: inherit;
}

body.dark {
    --bg-color: #111;
    --text-color: #fdfdfd;
    --header-bg: #222;
    --header-text: #fff;
    --accent-color: #00d4ff;
    --card-bg: #1a1a1a;
    --card-shadow: 0 4px 15px rgba(0, 212, 255, 0.1);
    --card-border: 1px solid rgba(0, 212, 255, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
    overflow-x: hidden;
    width: 100%;
    box-sizing: border-box;
}

/* Header */
header {
    background: var(--header-bg);
    color: var(--header-text);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    position: relative;
}

header h1 {
    font-family: 'Roboto Mono', monospace;
    margin: 0;
    font-size: 1.5rem;
    flex: 1;
    text-align: left;
}

.header-title-link {
    color: var(--header-text);
    text-decoration: none;
    transition: none;
}

.header-title-link:hover {
    color: var(--header-text);
    text-decoration: none;
}

nav ul {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

nav a {
    color: var(--header-text);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

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

#themeToggle {
    background: transparent;
    border: none;
    color: var(--header-text);
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.3s;
    padding: 0.5rem;
    min-width: 44px;
}

#themeToggle:hover {
    transform: rotate(20deg);
}

/* Menu hamburger pour mobile */
.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--header-text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: transform 0.3s;
}

.menu-toggle:hover {
    transform: scale(1.1);
}

.menu-toggle.active {
    transform: rotate(90deg);
}

/* Container principal */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--section-padding);
    width: 100%;
    box-sizing: border-box;
}

/* Sections */
section {
    max-width: 1000px;
    margin: auto;
    padding: var(--section-padding);
    width: 100%;
    box-sizing: border-box;
}

/* Section Hero spécifique */
#hero {
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 170, 255, 0.05) 0%, rgba(0, 212, 255, 0.03) 100%);
    border-radius: 0;
    margin: 0;
    position: relative;
    overflow: hidden;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
}

#hero .hero-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--section-padding);
    box-sizing: border-box;
}

#hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(0, 170, 255, 0.02) 50%, transparent 70%);
    animation: hero-shine 8s ease-in-out infinite;
}

@keyframes hero-shine {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

#hero h2 {
    font-family: 'Roboto Mono', monospace;
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    position: relative;
    z-index: 1;
}

#hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.hero-btn {
    display: inline-block;
    background: var(--accent-color);
    color: #fff;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    margin-top: 2rem;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(0, 170, 255, 0.3);
}

.hero-btn:hover {
    background: #0088cc;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 170, 255, 0.4);
}

.hero-btn:active {
    transform: translateY(-1px);
}

h2 {
    font-family: 'Roboto Mono', monospace;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

h3 {
    font-family: 'Roboto Mono', monospace;
    font-size: 1.3rem;
    margin: 1.5rem 0 0.75rem;
    color: var(--text-color);
}

/* Cards pour les articles */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    margin-bottom: 2rem;
    border: var(--card-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 170, 255, 0.15);
}

.card h2 {
    margin-top: 0;
    color: var(--text-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
}

.card h3 {
    margin: 1.5rem 0 0.75rem;
    color: var(--text-color);
}

.card p, .card li {
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.7;
}

.card ul, .card ol {
    padding-left: 1.5rem;
}

.card li {
    margin-bottom: 0.5rem;
}

/* Table des matières */
.toc {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    margin-bottom: 2rem;
    border: var(--card-border);
}

.toc h2 {
    font-size: 1.2rem;
    margin: 0 0 1rem;
    color: var(--accent-color);
    border-bottom: none;
    padding-bottom: 0;
}

.toc ol {
    margin: 0;
    padding-left: 1.5rem;
    color: var(--text-color);
}

.toc a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s;
}

.toc a:hover {
    color: #0088cc;
    text-decoration: underline;
}

/* Code blocks */
pre {
    background: #0b1220;
    color: #e6eef8;
    padding: 1.5rem;
    overflow: auto;
    border-radius: 8px;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.9rem;
    margin: 1rem 0;
    border-left: 4px solid var(--accent-color);
}

code {
    font-family: 'Roboto Mono', monospace;
    background: rgba(0, 170, 255, 0);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    color: #ffffff;
}

/* Aside - Aide et bonnes pratiques */
.help {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(0, 170, 255, 0.02) 100%);
    border-left: 4px solid var(--accent-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    margin: 2rem 0;
}

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

/* Liens */
a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: #0088cc;
    text-decoration: underline;
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 2rem;
    background: var(--header-bg);
    color: var(--header-text);
    margin-top: 3rem;
}

/* Animations au scroll */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Responsive */
@media (max-width: 768px) {
    .header-container {
        flex-direction: row;
        align-items: center;
        padding: 0.75rem 1rem;
        gap: 0.5rem;
    }
    
    header h1 {
        font-size: 1.3rem;
        flex: 1;
        text-align: center;
        order: 2;
    }
    
    #themeToggle {
        order: 1;
        font-size: 1.1rem;
        padding: 0.4rem;
        min-width: 40px;
    }
    
    .menu-toggle {
        display: block;
        order: 3;
        font-size: 1.3rem;
        padding: 0.4rem;
        min-width: 40px;
    }
    
    /* Hero responsive */
    #hero {
        margin: 0;
        border-radius: 0;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    
    #hero .hero-content {
        padding: 2rem 1rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    #hero h2 {
        font-size: 2.2rem;
        margin-bottom: 1rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    #hero p {
        font-size: 1.1rem;
        max-width: 100%;
        padding: 0 1rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .hero-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
        margin-top: 1.5rem;
    }
    
    .container {
        padding: 2rem 1rem;
    }
    
    section {
        padding: 2rem 1rem;
    }
    
    .card {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .toc {
        padding: 1.5rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.1rem;
    }
    
    pre {
        padding: 1rem;
        font-size: 0.8rem;
    }
    
    nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--header-bg);
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    nav ul {
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
    }
    
    nav li {
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    nav a {
        display: block;
        padding: 1rem 2rem;
        transition: background 0.3s;
    }
    
    nav a:hover {
        background: rgba(255,255,255,0.1);
    }
}

/* Responsive pour très petits écrans */
@media (max-width: 480px) {
    body {
        overflow-x: hidden;
        width: 100%;
    }
    
    #hero {
        width: 100vw;
        max-width: 100vw;
        margin-left: 0;
        margin-right: 0;
        left: 0;
        right: 0;
    }
    
    #hero .hero-content {
        padding: 1.5rem 0.75rem;
        width: 100%;
        max-width: 100%;
    }
    
    #hero h2 {
        font-size: 1.8rem;
        padding: 0 0.5rem;
    }
    
    #hero p {
        font-size: 1rem;
        padding: 0 0.5rem;
    }
    
    .hero-btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .container {
        padding: 1.5rem 0.75rem;
    }
    
    section {
        padding: 1.5rem 0.75rem;
    }
    
    .card {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .toc {
        padding: 1rem;
    }
    
    h2 {
        font-size: 1.3rem;
    }
    
    h3 {
        font-size: 1rem;
    }
    
    pre {
        padding: 0.75rem;
        font-size: 0.75rem;
    }
    
    .header-container {
        padding: 0.5rem 0.75rem;
    }
    
    header h1 {
        font-size: 1.1rem;
    }
}

/* Dark mode pour les cards */
body.dark .card {
    background: var(--card-bg);
    border-color: var(--card-border);
}

body.dark .help {
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(0, 212, 255, 0.02) 100%);
}

body.dark .toc {
    background: var(--card-bg);
}