* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: #05040a;
    color: #f4f4f4;
    line-height: 1.6;
}

/* Hero / header */

.hero {
    background:
        linear-gradient(to bottom, rgba(5, 4, 10, 0.3), #05040a 65%),
        radial-gradient(circle at top, #b3001b 0, #05040a 55%);
    min-height: 70vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 8vw;
}

.logo {
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    text-decoration: none;
    color: #f4f4f4;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    position: relative;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.3rem;
    width: 0;
    height: 2px;
    background: #f5c64d;
    transition: width 0.2s ease-out;
}

.nav-links a:hover::after {
    width: 100%;
}

.hero-content {
    flex: 1;
    padding: 2rem 8vw 4rem;
    max-width: 720px;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 4vw, 3.6rem);
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: #f5c64d;
    margin-bottom: 1.5rem;
}

.intro {
    max-width: 46rem;
    margin-bottom: 2rem;
}

.btn-primary {
    display: inline-block;
    padding: 0.75rem 1.8rem;
    border-radius: 999px;
    border: 1px solid #f5c64d;
    background: rgba(5, 4, 10, 0.6);
    color: #f4f4f4;
    text-decoration: none;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    transition: background 0.2s ease-out, transform 0.1s ease-out, box-shadow 0.2s ease-out;
}

.btn-primary:hover {
    background: #f5c64d;
    color: #05040a;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
    transform: translateY(-2px);
}

/* Sections */

.section {
    padding: 4rem 8vw;
    background: #05040a;
}

.section-alt {
    background: #0a0914;
}

.section h2 {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid #f5c64d;
    padding-left: 0.75rem;
}

/* Cards */

.cards {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-top: 1rem;
}

.card {
    background: radial-gradient(circle at top left, rgba(245, 198, 77, 0.12), rgba(10, 9, 20, 0.9));
    border-radius: 1rem;
    padding: 1.25rem 1.4rem;
    border: 1px solid rgba(245, 198, 77, 0.2);
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

/* Timeline */

.timeline {
    display: grid;
    gap: 1.5rem;
    margin-top: 1rem;
}

.timeline-item {
    border-left: 3px solid #f5c64d;
    padding-left: 1rem;
}

/* Fantôme section */

.fantome-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: minmax(0, 1fr);
    margin-top: 1rem;
}

/* Gallery */

.gallery-intro {
    max-width: 40rem;
}

.gallery {
    margin-top: 2rem;
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.gallery-item {
    text-align: center;
}

.real-img {
    width: 100%;
    border-radius: 0.9rem;
    border: 1px solid rgba(245, 198, 77, 0.4);
    display: block;
    margin-bottom: 0.75rem;
}

.placeholder-img {
    height: 160px;
    border-radius: 0.9rem;
    border: 1px dashed rgba(245, 198, 77, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    opacity: 0.9;
}

/* Footer */

.footer {
    text-align: center;
    padding: 1.5rem 1rem 2rem;
    font-size: 0.85rem;
    background: #05040a;
    border-top: 1px solid rgba(245, 198, 77, 0.16);
}

/* Responsive */

@media (max-width: 720px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .hero-content {
        padding-top: 1rem;
    }
}
/* SECRET BUTTON STYLES */
.secret-button {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.05);
    font-size: 0.8rem;
    cursor: pointer;
    transition: 0.3s;
    user-select: none;
    margin-top: 0.5rem;
}

.secret-button:hover {
    color: #f5c64d;
}