body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    margin: 0;
    padding: 0;
    background: #f0c427;
    color: #f3c90c;
}

* {
    box-sizing: border-box;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 16px;
}

.site-header {
    background: rgba(15, 23, 42, 0.95);
    color: #fcd706e7;
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(12px);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    letter-spacing: 0.04em;
    font-size: 1.05rem;
}

.logo span {
    color: #38bdf8;
}

.logo-img {
    height: 32px;
    width: auto;
    border-radius: 999px;
}

.logo-text {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
}

.main-nav {
    display: flex;
    gap: 18px;
    font-size: 0.95rem;
}

.main-nav a {
    padding: 6px 0;
    border-bottom: 2px solid transparent;
}

.main-nav a:hover {
    border-color: #38bdf8;
}

.btn-nav {
    padding: 6px 12px;
    border-radius: 999px;
    background: #38bdf8;
    color: #0f172a;
    border-bottom: none !important;
}

.btn-nav:hover {
    background: #0ea5e9;
}

main {
    background: radial-gradient(circle at top left, #1d4ed8 0, #0f172a 45%, #020617 100%);
    color: #e5e7eb;
}

.hero {
    padding: 64px 0 40px;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.1fr);
    gap: 40px;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2.1rem, 3vw, 2.8rem);
    line-height: 1.1;
    margin-bottom: 12px;
}

.hero-subtitle {
    margin: 0 0 20px;
    color: #cbd5f5;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.btn-primary,
.btn-secondary,
button {
    background: #38bdf8;
    color: #0f172a;
    border: none;
    padding: 10px 18px;
    margin-top: 10px;
    cursor: pointer;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
}

.btn-primary:hover,
button:hover {
    background: #0ea5e9;
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(56, 189, 248, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(148, 163, 184, 0.7);
    color: #e5e7eb;
}

.btn-secondary:hover {
    background: rgba(15, 23, 42, 0.7);
}

.hero-highlight {
    display: grid;
    gap: 14px;
}

.stat-card {
    background: rgba(15, 23, 42, 0.8);
    border-radius: 16px;
    padding: 14px 16px;
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.stat-card h3 {
    margin: 0 0 4px;
    font-size: 1.2rem;
}

.stat-card p {
    margin: 0;
    font-size: 0.9rem;
    color: #cbd5f5;
}

.section {
    padding: 40px 0;
}

.section-alt {
    background: rgba(15, 23, 42, 0.9);
}

.section h2 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 1.6rem;
}

.section-intro {
    margin: 0 0 24px;
    max-width: 640px;
    color: #cbd5f5;
}

.promo-section {
    padding: 30px 0 10px;
}

.promo-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.3fr);
    gap: 28px;
    align-items: flex-start;
}

.promo-left {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.promo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: #facc15;
    color: #1f2937;
    font-weight: 700;
    margin-top: 8px;
}

.promo-slogan {
    margin: 0;
    color: #cbd5f5;
    font-size: 0.9rem;
}

.promo-title {
    margin: 4px 0 0;
    font-size: 1.5rem;
}

.promo-year {
    margin: 0;
    font-weight: 600;
    color: #38bdf8;
}

.promo-text {
    margin-top: 8px;
    color: #e5e7eb;
}

.promo-right {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 18px;
    padding: 16px 16px 14px;
    border: 1px solid rgba(148, 163, 184, 0.4);
}

.promo-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.promo-column h3 {
    margin-top: 0;
    margin-bottom: 6px;
    font-size: 1rem;
}

.promo-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.band {
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 0.85rem;
    color: #0f172a;
    font-weight: 600;
}

.band + .band {
    margin-top: 4px;
}

.band-green { background: #22c55e; }
.band-red { background: #ef4444; }
.band-blue { background: #3b82f6; }
.band-yellow { background: #eab308; }

.promo-bonus {
    margin-top: 8px;
    font-size: 0.85rem;
    color: #fbbf24;
}

.promo-system li + li {
    margin-top: 4px;
}

.promo-baseline {
    margin-top: 10px;
    font-size: 0.88rem;
    color: #e5e7eb;
}

.promo-contact-bar {
    margin-top: 16px;
    padding: 8px 10px;
    border-radius: 999px;
    background: #38bdf8;
    color: #0f172a;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
}

.ressources-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.4fr);
    gap: 32px;
    align-items: flex-start;
}

.ressources-gallery {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.ressource-item {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 14px;
    padding: 14px 14px 12px;
    border: 1px solid rgba(148, 163, 184, 0.4);
}

.ressource-item h3 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 1rem;
}

.ressource-media {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 16px 35px rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.5);
}

.ressource-image {
    display: block;
    width: 100%;
    height: auto;
}

.ressource-caption {
    margin-top: 8px;
    font-size: 0.88rem;
    color: #cbd5f5;
}

.program-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.card {
    background: rgba(15, 23, 42, 0.8);
    margin: 0;
    padding: 18px 18px 16px;
    border-radius: 14px;
    box-shadow: 0 10px 35px rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.card h3 {
    margin-top: 0;
    margin-bottom: 6px;
}

.card p {
    margin-top: 0;
    margin-bottom: 10px;
    color: #cbd5f5;
}

.card ul {
    padding-left: 18px;
    margin: 0;
    color: #e5e7eb;
    font-size: 0.9rem;
}

.card li + li {
    margin-top: 4px;
}

.methode-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1.1fr);
    gap: 32px;
    align-items: flex-start;
}

.steps-list {
    padding-left: 18px;
    margin: 0;
}

.steps-list li + li {
    margin-top: 6px;
}

.interactive-card {
    background: rgba(15, 23, 42, 0.95);
    border-radius: 14px;
    padding: 18px;
    border: 1px solid rgba(56, 189, 248, 0.4);
}

.message-block {
    margin-top: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px dashed rgba(148, 163, 184, 0.5);
    font-size: 0.9rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.testimonial {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 14px;
    padding: 16px 18px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    font-size: 0.9rem;
}

.testimonial p {
    margin: 0 0 8px;
}

.author {
    color: #9ca3af;
    font-size: 0.85rem;
}

.faq-list {
    display: grid;
    gap: 10px;
}

details {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 10px;
    padding: 8px 12px;
    border: 1px solid rgba(148, 163, 184, 0.4);
}

summary {
    cursor: pointer;
    font-weight: 500;
}

details p {
    margin-top: 8px;
    font-size: 0.9rem;
    color: #cbd5f5;
}

.contact-section {
    border-top: 1px solid rgba(15, 23, 42, 0.9);
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.3fr);
    gap: 32px;
    align-items: flex-start;
}

.contact-infos {
    list-style: none;
    padding: 0;
    margin: 0;
    color: #e5e7eb;
}

.contact-infos li + li {
    margin-top: 6px;
}

.contact-form {
    background: rgba(15, 23, 42, 0.95);
    border-radius: 16px;
    padding: 18px 18px 16px;
    border: 1px solid rgba(56, 189, 248, 0.4);
}

.form-group {
    margin-bottom: 12px;
}

label {
    display: block;
    margin-bottom: 4px;
    font-size: 0.9rem;
}

input,
select,
textarea {
    width: 100%;
    padding: 8px 9px;
    border-radius: 10px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    background: rgba(15, 23, 42, 0.9);
    color: #e5e7eb;
    font-size: 0.9rem;
}

input:focus,
select:focus,
textarea:focus {
    outline: 2px solid #38bdf8;
    outline-offset: 1px;
}

.form-feedback {
    margin-top: 6px;
    font-size: 0.85rem;
}

.form-feedback.success {
    color: #4ade80;
}

.form-feedback.error {
    color: #f97373;
}

.site-footer {
    background: #020617;
    color: #64748b;
    padding: 16px 0 18px;
    font-size: 0.85rem;
}

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

@media (max-width: 900px) {
    .hero-grid,
    .methode-grid,
    .program-grid,
    .testimonials-grid,
    .contact-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero {
        padding-top: 40px;
    }
}

@media (max-width: 700px) {
    .main-nav {
        display: none;
    }

    .hero-text h1 {
        font-size: 1.8rem;
    }
}