/* ============================================================
   JSD'24 — Design System Modern
   ============================================================ */

/* --- Design Tokens (CSS Custom Properties) --- */
:root {
    /* Couleurs primaires */
    --color-primary:       #1e40af;  /* bleu profond */
    --color-primary-light: #3b82f6;  /* bleu vif */
    --color-primary-dark:  #1e3a8a;  /* bleu nuit */

    /* Couleurs secondaires */
    --color-accent:        #06b6d4;  /* cyan tech */
    --color-success:       #10b981;  /* vert */
    --color-warning:       #f59e0b;
    --color-danger:        #ef4444;

    /* Neutres */
    --color-bg:            #f8fafc;
    --color-bg-card:       #ffffff;
    --color-bg-dark:       #0f172a;
    --color-bg-section:    #f1f5f9;

    --color-text:          #1e293b;
    --color-text-muted:    #64748b;
    --color-text-light:    #94a3b8;
    --color-border:        #e2e8f0;

    /* Typographie */
    --font-sans:  'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-size-xs:   0.75rem;
    --font-size-sm:   0.875rem;
    --font-size-base: 1rem;
    --font-size-lg:   1.125rem;
    --font-size-xl:   1.25rem;
    --font-size-2xl:  1.5rem;
    --font-size-3xl:  1.875rem;
    --font-size-4xl:  2.25rem;
    --font-size-5xl:  3rem;

    /* Espacements */
    --space-1:  0.25rem;
    --space-2:  0.5rem;
    --space-3:  0.75rem;
    --space-4:  1rem;
    --space-6:  1.5rem;
    --space-8:  2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Rayons */
    --radius-sm:  0.375rem;
    --radius-md:  0.5rem;
    --radius-lg:  0.75rem;
    --radius-xl:  1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Ombres */
    --shadow-sm:  0 1px 2px rgba(0,0,0,.06);
    --shadow-md:  0 4px 6px -1px rgba(0,0,0,.08), 0 2px 4px -1px rgba(0,0,0,.05);
    --shadow-lg:  0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -2px rgba(0,0,0,.04);
    --shadow-xl:  0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);

    /* Transitions */
    --transition: 0.2s ease;
    --transition-md: 0.3s ease;

    /* Largeur max conteneur */
    --container-max: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--color-primary-light);
    text-decoration: none;
}

ul { list-style: none; }

/* ============================================================
   Conteneur
   ============================================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}

/* ============================================================
   Typographie
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    font-weight: 700;
    color: var(--color-text);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 3rem;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent));
    border-radius: var(--radius-full);
    margin-top: var(--space-3);
}

.section-title.centered::after {
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================================
   Boutons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-md);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: #fff;
    box-shadow: 0 4px 14px rgba(59,130,246,.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(59,130,246,.45);
    color: #fff;
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,.7);
}

.btn-secondary:hover {
    background: rgba(255,255,255,.15);
    border-color: #fff;
    color: #fff;
}

.btn-secondary2 {
    background: transparent;
    color: var(--color-primary-light);
    border-color: var(--color-primary-light);
}

.btn-secondary2:hover {
    background: var(--color-primary-light);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--color-primary-light);
    border-color: var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-primary-light);
    background: rgba(59,130,246,.05);
}

/* ============================================================
   Navigation
   ============================================================ */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow var(--transition-md);
}

header.scrolled {
    box-shadow: var(--shadow-md);
}

header nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0.75rem var(--space-6);
}

.logo img {
    height: 48px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    position: relative;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
    color: var(--color-primary-light);
    background: rgba(59,130,246,.07);
}

.nav-link.active {
    color: var(--color-primary-light);
    font-weight: 600;
}

.nav-cta {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: #fff !important;
    padding: var(--space-2) var(--space-4) !important;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59,130,246,.35);
    background: rgba(59,130,246,.07) !important;
    color: #fff !important;
}

/* Menu burger */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: background var(--transition);
}

.menu-toggle:hover {
    background: var(--color-bg-section);
}

.menu-toggle svg {
    width: 1.5rem;
    height: 1.5rem;
    display: block;
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
    position: relative;
    background-image: url('../images/hero-background.png');
    background-size: cover;
    background-position: center;
    min-height: 480px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(15, 23, 42, 0.75) 0%,
        rgba(30, 64, 175, 0.60) 100%
    );
}

.hero-content {
    position: relative;
    max-width: var(--container-max);
    width: 100%;
    margin: 0 auto;
    padding: var(--space-16) var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-8);
    color: #fff;
}

.hero-left h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.15;
    color: #fff;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

.hero-left .subtitle {
    font-size: var(--font-size-xl);
    color: rgba(255,255,255,.85);
    margin-bottom: 0;
}

.hero-left hr {
    border: none;
    border-top: 2px solid rgba(255,255,255,.25);
    margin: var(--space-4) 0 0;
    width: 80px;
}

.hero-right {
    text-align: right;
    flex-shrink: 0;
}

.hero-right h2 {
    font-size: var(--font-size-2xl);
    font-weight: 400;
    color: rgba(255,255,255,.8);
    margin-bottom: var(--space-6);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-size: var(--font-size-sm);
}

.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,.25);
    border-radius: var(--radius-full);
    padding: var(--space-1) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: rgba(255,255,255,.9);
    margin-bottom: var(--space-4);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ============================================================
   Countdown Section
   ============================================================ */
.countdown-section {
    background: var(--color-bg);
    padding: var(--space-16) 0;
}

.countdown-content {
    display: flex;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    align-items: center;
    gap: var(--space-16);
}

.countdown-image {
    flex: 1;
    max-width: 420px;
}

.countdown-image img {
    width: 100%;
    border-radius: var(--radius-xl);
    filter: drop-shadow(0 20px 40px rgba(30,64,175,.15));
}

.countdown-text {
    flex: 1;
}

.countdown-text h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: var(--space-3);
    line-height: 1.2;
}

.countdown-text > p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-6);
}

.countdown-timer {
    display: flex;
    gap: var(--space-4);
    margin: var(--space-6) 0;
}

.countdown-item {
    text-align: center;
    background: #fff;
    border-radius: var(--radius-xl);
    width: 90px;
    height: 90px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: none;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.countdown-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent));
}

.countdown-item span {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.countdown-item p {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-top: 2px;
}

.event-description, .registration-deadline {
    margin: var(--space-4) 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

.highlight {
    color: var(--color-primary-light);
    font-weight: 700;
}

/* ============================================================
   Welcome / Président
   ============================================================ */
.welcome-message {
    display: flex;
    align-items: flex-start;
    gap: var(--space-12);
    max-width: var(--container-max);
    margin: var(--space-16) auto;
    padding: 0 var(--space-6);
}

.presi-card {
    flex-shrink: 0;
    text-align: center;
    width: 220px;
}

.presi-card img {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-xl);
    object-fit: cover;
    box-shadow: var(--shadow-xl);
    margin-bottom: var(--space-3);
}

.presi-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.5;
}

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

.message-content {
    flex: 1;
    background: #fff;
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
    position: relative;
}

.message-content::before {
    content: '"';
    position: absolute;
    top: var(--space-4);
    left: var(--space-6);
    font-size: 5rem;
    color: var(--color-primary-light);
    opacity: 0.1;
    font-family: Georgia, serif;
    line-height: 1;
}

.message-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.message-content p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.8;
    margin-bottom: var(--space-3);
}

/* ============================================================
   Activities Section
   ============================================================ */
.activities {
    background: var(--color-bg-section);
    padding: var(--space-16) 0;
    text-align: center;
}

.activities > .container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.activities-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.activities h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--space-3);
}

.activities > p,
.activities-inner > p {
    color: var(--color-text-muted);
    max-width: 640px;
    margin: 0 auto var(--space-8);
}

.activity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.activity-card {
    background: #fff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform var(--transition-md), box-shadow var(--transition-md);
    text-align: left;
    border: 1px solid var(--color-border);
}

.activity-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.activity-card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.activity-card-body {
    padding: var(--space-4);
}

.activity-card h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

.activity-card p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}

/* ============================================================
   About Section
   ============================================================ */
.about {
    background: var(--color-bg-dark);
    color: #fff;
    padding: var(--space-16) 0;
    overflow: hidden;
}

.about-inner {
    display: flex;
    align-items: flex-end;
    gap: var(--space-12);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.about-content {
    flex: 1;
    max-width: 58%;
}

.about h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
    color: #fff;
}

.about > p,
.about-content > p {
    color: rgba(255,255,255,.7);
    font-size: var(--font-size-base);
    margin-bottom: var(--space-8);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.stat-item {
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius-xl);
    padding: var(--space-4) var(--space-6);
    transition: background var(--transition-md);
}

.stat-item:hover {
    background: rgba(255,255,255,.12);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-2);
    display: block;
}

.stat-item p {
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,.65);
    line-height: 1.5;
}

.about-image {
    flex-shrink: 0;
    max-width: 38%;
    align-self: flex-end;
}

/* ============================================================
   Partners Section
   ============================================================ */
.partners {
    background: #fff;
    padding: var(--space-16) 0;
    text-align: center;
}

.partners-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.partners h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--space-3);
}

.partners > p,
.partners-inner > p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-8);
}

.partner-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-6);
}

.partner-logos img {
    height: 64px;
    width: auto;
    object-fit: contain;
    filter: grayscale(30%);
    opacity: 0.85;
    transition: filter var(--transition-md), opacity var(--transition-md), transform var(--transition-md);
}

.partner-logos img:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.08);
}

/* ============================================================
   CTA Section
   ============================================================ */
.cta {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-light) 100%);
    color: #fff;
    text-align: center;
    padding: var(--space-16) var(--space-6);
}

.cta h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--space-3);
    color: #fff;
}

.cta p {
    color: rgba(255,255,255,.8);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-8);
}

.cta .btn-primary {
    background: #fff;
    color: var(--color-primary);
    box-shadow: 0 4px 14px rgba(0,0,0,.2);
}

.cta .btn-primary:hover {
    background: #f0f8ff;
    color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,.25);
}

/* ============================================================
   Footer
   ============================================================ */
footer {
    background: #fff;
    border-top: 1px solid var(--color-border);
    padding: var(--space-16) 0 0;
    color: var(--color-text);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: var(--space-8);
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6) var(--space-12);
}

.footer-left .logo img {
    height: 40px;
    margin-bottom: var(--space-4);
}

.footer-left p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-4);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

.footer-contact i {
    color: var(--color-primary-light);
    width: 16px;
}

.footer-links h4 {
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.footer-links ul li {
    margin-bottom: var(--space-2);
}

.footer-links ul li a {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    transition: color var(--transition);
}

.footer-links ul li a:hover {
    color: var(--color-primary-light);
}

.footer-newsletter h4 {
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.footer-newsletter > p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-3);
    line-height: 1.6;
}

.footer-newsletter form {
    display: flex;
    margin-bottom: var(--space-4);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.footer-newsletter input[type="email"] {
    flex: 1;
    padding: 0.625rem var(--space-4);
    border: none;
    outline: none;
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.footer-newsletter button {
    padding: 0.625rem var(--space-4);
    background: var(--color-primary-light);
    color: #fff;
    border: none;
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: background var(--transition);
    white-space: nowrap;
}

.footer-newsletter button:hover {
    background: var(--color-primary);
}

.social-icons {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-4);
    flex-wrap: nowrap;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: #fff;
    transition: opacity var(--transition), transform var(--transition);
}

.social-icon:hover {
    opacity: 0.85;
    transform: translateY(-2px);
    color: #fff;
}

.social-icon i { font-size: 1rem; }

.telegram  { background: #0088cc; }
.whatsapp  { background: #25D366; }
.discord   { background: #1877f2; }

.footer-bottom {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.footer-bottom a {
    color: var(--color-primary-light);
    font-weight: 600;
}

.footer-bottom .social-icons {
    margin-top: 0;
}

.footer-bottom .social-icons a {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    transition: color var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--color-bg-section);
}

.footer-bottom .social-icons a:hover {
    color: var(--color-primary-light);
    background: rgba(59,130,246,.1);
}

/* ============================================================
   Scroll-to-top button
   ============================================================ */
#scroll-to-top {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: #fff;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: transform var(--transition), box-shadow var(--transition);
}

#scroll-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

#scroll-to-top.show {
    display: flex;
}

/* ============================================================
   Form / Alert helpers
   ============================================================ */
.alert {
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.alert-success2 {
    background: #f0fdf4;
    border: 1px solid #86efac;
    color: #166534;
}

.alert-error2 {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    color: #991b1b;
}

/* ============================================================
   Page inner layouts (used by about, activities, etc.)
   ============================================================ */
.page-header {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary-light));
    color: #fff;
    padding: var(--space-12) var(--space-6);
    text-align: center;
}

.page-header h1 {
    color: #fff;
    font-size: var(--font-size-4xl);
    font-weight: 900;
    margin-bottom: var(--space-3);
}

.page-header p {
    color: rgba(255,255,255,.8);
    font-size: var(--font-size-lg);
}

.content-section {
    background: #fff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    padding: var(--space-8);
    margin-bottom: var(--space-6);
    border: 1px solid var(--color-border);
}

.content-section h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--color-bg-section);
}

.content-section h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
}

.content-section p,
.content-section li {
    color: var(--color-text-muted);
    line-height: 1.8;
}

.content-section ul {
    list-style: none;
    padding-left: var(--space-4);
}

.content-section ul li {
    position: relative;
    padding-left: var(--space-4);
    margin-bottom: var(--space-2);
}

.content-section ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary-light);
    font-weight: 700;
}

.card-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

/* ============================================================
   Concours / Sponsor forms
   ============================================================ */
.sponsor-form-container {
    max-width: 640px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
}

.sponsor-form-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-6);
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.625rem var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}

.form-textarea {
    height: 120px;
    resize: vertical;
}

.submit-button {
    display: block;
    width: 100%;
    padding: 0.75rem;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59,130,246,.4);
}

.modal {
    display: none;
    position: fixed;
    z-index: 200;
    inset: 0;
    background: rgba(0,0,0,.45);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: #fff;
    margin: 10% auto;
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 480px;
    box-shadow: var(--shadow-xl);
}

.close {
    color: var(--color-text-muted);
    float: right;
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
    line-height: 1;
}

.close:hover { color: var(--color-text); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(255,255,255,.97);
        backdrop-filter: blur(12px);
        padding: var(--space-4) var(--space-6);
        box-shadow: var(--shadow-md);
        border-top: 1px solid var(--color-border);
        gap: var(--space-1);
    }

    .nav-links.show { display: flex; }

    .nav-link { padding: var(--space-3) var(--space-4); }

    .nav-cta { text-align: center; }

    header nav { position: relative; }

    .hero-content {
        flex-direction: column;
        text-align: center;
        padding: var(--space-12) var(--space-6);
    }

    .hero-right { text-align: center; }

    .hero-left h1 { font-size: 2.25rem; }

    .countdown-content {
        flex-direction: column;
        gap: var(--space-8);
    }

    .countdown-image { max-width: 280px; margin: 0 auto; }

    .countdown-timer { justify-content: center; }

    .welcome-message {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .presi-card { width: auto; }

    .about-inner {
        flex-direction: column;
    }

    .about-content { max-width: 100%; }

    .about-image {
        max-width: 100%;
        display: none;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .card-grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .countdown-timer { gap: var(--space-2); }
    .countdown-item { width: 72px; height: 72px; }
    .countdown-item span { font-size: 1.4rem; }
    .stats-grid { grid-template-columns: 1fr; }
}