/* pages.css — styles partagés pour les pages secondaires */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800;900&display=swap');

:root {
    --bg-color: #ffffff;
    --text-color: #000000;
    --text-secondary: #666666;
    --grid-line: rgba(0, 0, 0, 0.1);
    --grid-shadow: rgba(0, 0, 0, 0.05);
    --card-bg: #ffffff;
    --border-color: #000000;
    --btn-bg: #000000;
    --btn-text: #ffffff;
    --btn-hover-bg: #ffffff;
    --btn-hover-text: #000000;
}

[data-theme="dark"] {
    --bg-color: #121212;
    --text-color: #ffffff;
    --text-secondary: #aaaaaa;
    --grid-line: rgba(255, 255, 255, 0.05);
    --grid-shadow: rgba(255, 255, 255, 0.02);
    --card-bg: #1e1e1e;
    --border-color: #ffffff;
    --btn-bg: #ffffff;
    --btn-text: #000000;
    --btn-hover-bg: #000000;
    --btn-hover-text: #ffffff;
}

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

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
    background-image:
        linear-gradient(90deg, var(--grid-shadow) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line)   1px, transparent 1px),
        linear-gradient(0deg,  var(--grid-shadow) 1px, transparent 1px),
        linear-gradient(0deg,  var(--grid-line)   1px, transparent 1px);
    background-size: 100px 100px;
    background-position: 1px 1px, 0 0, 1px 1px, 0 0;
}

/* ---- NAV ---- */
nav {
    display: flex;
    justify-content: center;
    padding: 20px 10px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: var(--card-bg);
    border: 2px solid var(--border-color);
    padding: 12px 28px;
    border-radius: 100px;
}

.nav-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 1px;
    padding: 8px 18px;
    border: 2px solid var(--border-color);
    border-radius: 100px;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s;
    box-shadow: 3px 3px 0 var(--border-color);
}

.nav-back:hover {
    background: var(--btn-bg);
    color: var(--btn-text);
    transform: translate(-2px, -2px);
    box-shadow: 5px 5px 0 var(--border-color);
}

.nav-title {
    font-weight: 900;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-secondary);
}

/* ---- BOUTON THÈME ---- */
#theme-toggle {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    color: var(--text-color);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    transition: background 0.2s, color 0.2s;
    margin-left: auto;
}
#theme-toggle:hover { background: var(--btn-bg); color: var(--btn-text); }
[data-theme="dark"] .sun  { display: block; }
[data-theme="dark"] .moon { display: none;  }
.sun { display: none;  }
.moon { display: block; }

/* ---- CONTENU ---- */
.page-wrapper {
    max-width: 860px;
    margin: 0 auto;
    padding: 60px 24px 100px;
}

.page-hero {
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    padding: 4px 14px;
    border-radius: 50px;
    margin-bottom: 20px;
}

h1 {
    font-size: clamp(36px, 7vw, 72px);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -2px;
    margin: 0 0 20px;
}

.page-intro {
    font-size: clamp(16px, 2.5vw, 18px);
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 640px;
}

/* ---- CARD ---- */
.card {
    background: var(--card-bg);
    border: 3px solid var(--border-color);
    border-radius: 20px;
    padding: clamp(24px, 4vw, 40px);
    box-shadow: 8px 8px 0 var(--border-color);
    margin-bottom: 28px;
}

.card h2 {
    font-size: clamp(18px, 3vw, 24px);
    font-weight: 900;
    margin: 0 0 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.card p, .card li {
    font-size: clamp(14px, 2vw, 16px);
    line-height: 1.75;
    color: var(--text-secondary);
    margin: 0 0 12px;
}

.card ul {
    padding-left: 20px;
    margin: 0;
}

.card strong { color: var(--text-color); }

/* ---- FOOTER ---- */
footer {
    background-color: var(--card-bg);
    border-top: 2px solid var(--border-color);
    padding: 24px 20px;
    text-align: center;
}

footer p {
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 600;
}