/* ===========================
   SOUVERAINISTE.FR — Stylesheet
   Style : Éditorial / Le Monde Diplo
   =========================== */

:root {
    /* Palette */
    --ink: #1a1a1a;
    --ink-light: #3d3d3d;
    --ink-muted: #6b6b6b;
    --paper: #faf8f5;
    --paper-warm: #f5f0e8;
    --paper-dark: #ede7db;
    --accent: #8b2500;
    --accent-dark: #6d1d00;
    --accent-light: #a83a14;
    --border: #d4cdc0;
    --border-light: #e8e2d8;
    --gold: #b8860b;
    --blue-dark: #1b3a5c;
    --green-dark: #2d5016;

    /* Typography */
    --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'Source Serif 4', Georgia, serif;
    --font-ui: 'Libre Franklin', 'Helvetica Neue', Arial, sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;

    /* Layout */
    --max-width: 1200px;
    --nav-height: 50px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    color: var(--ink);
    background-color: var(--paper);
    line-height: 1.7;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

img {
    max-width: 100%;
    display: block;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ===========================
   TOP BAR
   =========================== */
.top-bar {
    background: var(--ink);
    color: var(--paper);
    font-family: var(--font-ui);
    font-size: 0.75rem;
    letter-spacing: 0.03em;
    padding: 6px 0;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-links a {
    color: var(--border);
    margin-left: var(--space-md);
    transition: color 0.2s;
}

.top-bar-links a:hover {
    color: #fff;
}

.top-bar-date {
    color: var(--border);
    text-transform: capitalize;
}

/* ===========================
   HEADER
   =========================== */
.site-header {
    padding: var(--space-xl) 0;
    border-bottom: 1px solid var(--border-light);
    background: var(--paper);
}

.header-content {
    text-align: center;
}

.logo-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
}

.logo-icon {
    width: 56px;
    height: 56px;
    background: var(--accent);
    color: var(--paper);
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: -0.02em;
}

.site-title {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--ink);
    line-height: 1;
}

.site-tagline {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    color: var(--ink-muted);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-top: 4px;
}

/* ===========================
   NAVIGATION
   =========================== */
.main-nav {
    background: var(--paper);
    border-top: 3px solid var(--accent);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-list {
    display: flex;
    justify-content: center;
    gap: 0;
}

.nav-list li a {
    display: block;
    padding: 14px 20px;
    font-family: var(--font-ui);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-light);
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.nav-list li a:hover,
.nav-list li a.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 14px 0;
    flex-direction: column;
    gap: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--ink);
    transition: 0.3s;
}

/* ===========================
   HERO / À LA UNE
   =========================== */
.hero {
    padding: var(--space-2xl) 0;
    border-bottom: 1px solid var(--border-light);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: var(--space-2xl);
}

.hero-main {
    padding-right: var(--space-xl);
    border-right: 1px solid var(--border-light);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 900;
    line-height: 1.2;
    margin: var(--space-md) 0 var(--space-lg);
    letter-spacing: -0.01em;
}

.hero-title a:hover {
    color: var(--accent);
}

.hero-excerpt {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--ink-light);
    margin-bottom: var(--space-lg);
}

.hero-meta {
    display: flex;
    gap: var(--space-lg);
    font-family: var(--font-ui);
    font-size: 0.8rem;
    color: var(--ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.sidebar-article {
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-light);
}

.sidebar-article:last-child {
    border-bottom: none;
}

.sidebar-article h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.35;
    margin-top: var(--space-sm);
}

.sidebar-article h3 a:hover {
    color: var(--accent);
}

.sidebar-article .date {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--ink-muted);
    display: block;
    margin-top: var(--space-sm);
}

/* Category Badges */
.category-badge {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 3px 10px;
    background: var(--accent);
    color: var(--paper);
}

.badge-souverainete {
    background: var(--blue-dark);
}

.badge-economie {
    background: var(--gold);
}

.badge-defense {
    background: var(--green-dark);
}

/* ===========================
   SECTION HEADERS
   =========================== */
.section-header {
    margin-bottom: var(--space-xl);
}

.section-title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 900;
    display: inline-block;
}

.section-line {
    height: 3px;
    background: var(--accent);
    width: 60px;
    margin-top: var(--space-sm);
}

/* ===========================
   ARTICLES GRID
   =========================== */
.editorial-section {
    padding: var(--space-2xl) 0;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.article-card {
    border-bottom: 1px solid var(--border-light);
    padding-bottom: var(--space-lg);
    transition: transform 0.2s ease;
}

.article-card:hover {
    transform: translateY(-2px);
}

.article-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.35;
    margin: var(--space-sm) 0 var(--space-md);
}

.article-title a:hover {
    color: var(--accent);
}

.article-excerpt {
    font-size: 0.92rem;
    color: var(--ink-light);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.article-meta {
    display: flex;
    gap: var(--space-md);
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ===========================
   TRIBUNE / ÉDITORIAL
   =========================== */
.tribune-section {
    padding: var(--space-2xl) 0;
    background: var(--paper-warm);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.tribune-block {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.tribune-label {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--space-lg);
}

.tribune-quote {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-style: italic;
    line-height: 1.5;
    color: var(--ink);
    padding: 0 var(--space-xl);
    position: relative;
}

.tribune-quote::before {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--accent);
    margin: 0 auto var(--space-lg);
}

.tribune-author {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    color: var(--ink-muted);
    margin-top: var(--space-lg);
}

.tribune-author a {
    color: var(--accent);
    font-weight: 500;
}

.tribune-author a:hover {
    text-decoration: underline;
}

/* ===========================
   ÉCOSYSTÈME
   =========================== */
.ecosystem-section {
    padding: var(--space-2xl) 0;
}

.ecosystem-intro {
    font-size: 1rem;
    color: var(--ink-muted);
    margin-bottom: var(--space-xl);
}

.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.eco-card {
    display: block;
    padding: var(--space-lg);
    background: var(--paper-warm);
    border: 1px solid var(--border-light);
    transition: all 0.25s ease;
    text-align: center;
}

.eco-card:hover {
    border-color: var(--accent);
    background: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.eco-icon {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.eco-card h4 {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--ink);
}

.eco-card p {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--ink-muted);
}

/* ===========================
   FOOTER
   =========================== */
.site-footer {
    background: var(--ink);
    color: var(--border);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--paper);
    margin-bottom: var(--space-md);
}

.footer-col p {
    font-size: 0.85rem;
    line-height: 1.7;
    color: var(--ink-muted);
    color: rgba(255,255,255,0.5);
}

.footer-col ul li {
    margin-bottom: var(--space-sm);
}

.footer-col ul li a {
    font-family: var(--font-ui);
    font-size: 0.82rem;
    color: rgba(255,255,255,0.5);
    transition: color 0.2s;
}

.footer-col ul li a:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: var(--space-lg);
    text-align: center;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: rgba(255,255,255,0.3);
}

/* ===========================
   PAGE TEMPLATES
   =========================== */
.page-header {
    padding: var(--space-2xl) 0 var(--space-xl);
    border-bottom: 1px solid var(--border-light);
    text-align: center;
}

.page-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-sm);
}

.page-subtitle {
    font-family: var(--font-ui);
    font-size: 0.9rem;
    color: var(--ink-muted);
    letter-spacing: 0.05em;
}

.page-content {
    max-width: 780px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
}

.page-content h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin: var(--space-xl) 0 var(--space-md);
    color: var(--ink);
}

.page-content h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin: var(--space-lg) 0 var(--space-md);
}

.page-content p {
    margin-bottom: var(--space-md);
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--ink-light);
}

.page-content p:first-of-type {
    font-size: 1.15rem;
    color: var(--ink);
}

.page-content a {
    color: var(--accent);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.page-content a:hover {
    border-bottom-color: var(--accent);
}

/* Article list on category pages */
.article-list {
    padding: var(--space-2xl) 0;
}

.article-list-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding: var(--space-xl) 0;
    border-bottom: 1px solid var(--border-light);
}

.article-list-item:first-child {
    padding-top: 0;
}

.article-list-item h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1.3;
}

.article-list-item h3 a:hover {
    color: var(--accent);
}

.article-list-item .excerpt {
    font-size: 1rem;
    color: var(--ink-light);
    line-height: 1.75;
}

.article-list-item .meta {
    display: flex;
    gap: var(--space-md);
    font-family: var(--font-ui);
    font-size: 0.78rem;
    color: var(--ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Contact form */
.contact-form {
    max-width: 600px;
    margin: var(--space-xl) auto;
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--ink-light);
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--ink);
    background: #fff;
    border: 1px solid var(--border);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group textarea {
    min-height: 160px;
    resize: vertical;
}

.btn-submit {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 14px 40px;
    background: var(--accent);
    color: var(--paper);
    border: none;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-submit:hover {
    background: var(--accent-dark);
}

/* ===========================
   ANIMATIONS
   =========================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-main,
.sidebar-article,
.article-card,
.tribune-block {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.hero-main { animation-delay: 0.1s; }
.sidebar-article:nth-child(1) { animation-delay: 0.2s; }
.sidebar-article:nth-child(2) { animation-delay: 0.3s; }
.sidebar-article:nth-child(3) { animation-delay: 0.4s; }
.article-card:nth-child(1) { animation-delay: 0.15s; }
.article-card:nth-child(2) { animation-delay: 0.25s; }
.article-card:nth-child(3) { animation-delay: 0.35s; }
.article-card:nth-child(4) { animation-delay: 0.45s; }
.article-card:nth-child(5) { animation-delay: 0.55s; }
.article-card:nth-child(6) { animation-delay: 0.65s; }
.tribune-block { animation-delay: 0.1s; }

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }
    .hero-main {
        padding-right: 0;
        border-right: none;
        padding-bottom: var(--space-xl);
        border-bottom: 1px solid var(--border-light);
    }
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ecosystem-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 680px) {
    .site-title {
        font-size: 2rem;
    }
    .hero-title {
        font-size: 1.7rem;
    }
    .page-title {
        font-size: 1.8rem;
    }
    .articles-grid {
        grid-template-columns: 1fr;
    }
    .ecosystem-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .nav-toggle {
        display: flex;
    }
    .nav-list {
        display: none;
        flex-direction: column;
        width: 100%;
    }
    .nav-list.open {
        display: flex;
    }
    .nav-list li a {
        padding: 12px 0;
        border-bottom: 1px solid var(--border-light);
    }
    .tribune-quote {
        font-size: 1.2rem;
        padding: 0;
    }
    .top-bar-links {
        display: none;
    }
}