:root {
    --color-bg: #f8fafc;
    --color-primary: #f97316;
    --color-primary-soft: rgba(249,115,22,0.15);
    --color-secondary: #0f172a;
    --color-text: #0f172a;
    --color-muted: #64748b;
    --radius-lg: 1.5rem;
    --shadow-soft: 0 18px 40px rgba(15,23,42,0.12);
    --transition-fast: 0.2s ease;
    --max-width: 1100px;
}

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

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--color-text);
    background: radial-gradient(circle at top left, #fee2e2 0, transparent 55%),
                radial-gradient(circle at bottom right, #fef9c3 0, transparent 55%),
                var(--color-bg);
}

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

.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header & nav */

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.2rem 1.8rem;
    max-width: var(--max-width);
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.1rem;
}

.logo-cat {
    font-size: 1.6rem;
}

.main-nav {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.nav-link {
    padding: 0.35rem 0.9rem;
    border-radius: 999px;
    font-size: 0.95rem;
    color: var(--color-muted);
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.nav-link:hover {
    background: rgba(15,23,42,0.06);
    color: var(--color-secondary);
    transform: translateY(-1px);
}

.nav-link.active {
    background: var(--color-primary-soft);
    color: var(--color-secondary);
}

/* Main */

main {
    flex: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.8rem 2.5rem;
}

/* Hero */

.hero {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 2fr);
    gap: 2rem;
    align-items: center;
    margin-top: 1.5rem;
}

.hero-text h1 {
    font-size: clamp(2.2rem, 3.2vw, 2.7rem);
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-text h1 span {
    color: var(--color-primary);
}

.hero-text p {
    color: var(--color-muted);
    max-width: 34rem;
}

.hero-actions {
    margin-top: 1.5rem;
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    height: 260px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #f97316, #fb7185);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.hero-cat {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 15% 20%, rgba(255,255,255,0.25) 0, transparent 55%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.35) 0, transparent 60%),
        url("hero-cat.jpg");
    background-size: cover;
    background-position: center;
    filter: saturate(1.2);
}

/* Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 1.2rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    gap: 0.35rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.btn.primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 12px 24px rgba(249,115,22,0.4);
}

.btn.primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 30px rgba(249,115,22,0.45);
}

.btn.secondary {
    background: rgba(15,23,42,0.06);
    color: var(--color-secondary);
}

.btn.secondary:hover {
    background: rgba(15,23,42,0.1);
}

.btn:active {
    transform: translateY(0);
    box-shadow: none;
}

/* Cards & grids */

.info-grid {
    margin-top: 2.5rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.4rem;
}

.card {
    background: rgba(255,255,255,0.9);
    border-radius: 1.1rem;
    padding: 1.1rem 1.2rem;
    box-shadow: 0 10px 24px rgba(15,23,42,0.06);
}

.card h2,
.card h3 {
    margin-top: 0;
}

/* Sections communes */

.page-header {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    margin-bottom: 0.4rem;
}

.page-header p {
    color: var(--color-muted);
}

/* Two columns */

.two-columns {
    display: grid;
    grid-template-columns: minmax(0,1.4fr) minmax(0,1.1fr);
    gap: 1.8rem;
    align-items: flex-start;
    margin-bottom: 2rem;
}

/* Timeline */

.timeline {
    margin-bottom: 2rem;
}

.timeline-item {
    border-left: 2px solid rgba(15,23,42,0.12);
    padding-left: 1rem;
    margin-bottom: 1rem;
}

.timeline-item h3 {
    margin-top: 0;
}

/* Team */

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

/* News ticker */

.actus {
    margin-top: 2.5rem;
}

.actus-help {
    font-size: 0.85rem;
    color: var(--color-muted);
}

.news-ticker {
    margin-top: 0.8rem;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(15,23,42,0.06);
    border: 1px solid rgba(15,23,42,0.08);
}

.news-track {
    display: inline-flex;
    animation: ticker 30s linear infinite;
    white-space: nowrap;
}

.news-item {
    padding: 0.55rem 1.5rem;
    font-size: 0.9rem;
    color: var(--color-secondary);
}

.news-ticker:hover .news-track {
    animation-play-state: paused;
}

@keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Galerie */

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.3rem;
    margin-bottom: 2rem;
}

.gallery-item {
    margin: 0;
}

.gallery-thumb {
    border-radius: 1rem;
    height: 170px;
    background-size: cover;
    background-position: center;
    background-image: url("https://placekitten.com/400/260");
    box-shadow: 0 10px 24px rgba(15,23,42,0.16);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.gallery-thumb:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 35px rgba(15,23,42,0.22);
    filter: brightness(1.06);
}

.gallery-item figcaption {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-muted);
}

/* Lightbox */

.lightbox {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 50;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15,23,42,0.55);
}

.lightbox-content {
    position: relative;
    background: white;
    padding: 1rem;
    border-radius: 1.2rem;
    max-width: 90vw;
    max-height: 90vh;
    box-shadow: 0 30px 60px rgba(15,23,42,0.5);
    z-index: 10;
}

.lightbox img {
    max-width: 100%;
    max-height: 60vh;
    display: block;
    border-radius: 0.8rem;
}

.close-lightbox {
    margin-top: 0.6rem;
    width: 100%;
}

/* Forms */

.form-section {
    margin-top: 1rem;
    margin-bottom: 2rem;
}

.form-card {
    background: rgba(255,255,255,0.9);
    border-radius: 1.2rem;
    padding: 1.3rem 1.4rem;
    box-shadow: 0 10px 24px rgba(15,23,42,0.08);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0,1fr));
    gap: 1rem;
}

.form-field {
    margin-bottom: 0.9rem;
    font-size: 0.95rem;
}

label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.5rem 0.6rem;
    border-radius: 0.7rem;
    border: 1px solid rgba(15,23,42,0.18);
    font: inherit;
    outline: none;
    transition: border var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
    background: rgba(255,255,255,0.9);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px rgba(249,115,22,0.5);
    background: white;
}

textarea {
    resize: vertical;
}

.form-actions {
    display: flex;
    gap: 0.8rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}

.form-message {
    margin-top: 0.6rem;
    font-size: 0.9rem;
}

/* Footer */

.site-footer {
    border-top: 1px solid rgba(15,23,42,0.07);
    padding: 1rem 1.8rem 1.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
    font-size: 0.85rem;
    color: var(--color-muted);
}

.footer-small {
    font-size: 0.8rem;
}

/* Responsive */

@media (max-width: 800px) {
    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.7rem;
    }

    .hero {
        grid-template-columns: minmax(0,1fr);
    }

    .hero-image {
        order: -1;
    }

    .info-grid {
        grid-template-columns: minmax(0,1fr);
    }

    .two-columns {
        grid-template-columns: minmax(0,1fr);
    }

    .form-row {
        grid-template-columns: minmax(0,1fr);
    }
}