/* ==========================================================================
   Mère Nature Global — Design System
   Inspired by the "Greva" nature/NGO theme palette:
   primary #031600 (forêt), accent #89EA5F (lime), secondary #EFF1ED (greige)
   ========================================================================== */

:root {
    --mng-primary: #031600;
    --mng-primary-light: #10331a;
    --mng-accent: #89ea5f;
    --mng-accent-dark: #5fc93a;
    --mng-secondary: #eff1ed;
    --mng-text: #4b4f4c;
    --mng-text-light: #888888;
    --mng-white: #ffffff;
    --mng-black: #000000;
    --mng-divider: rgba(3, 22, 0, 0.1);
    --mng-radius: 16px;
    --mng-radius-sm: 8px;
    --mng-radius-pill: 999px;
    --mng-shadow: 0 10px 30px rgba(3, 22, 0, 0.08);
    --mng-container: 1200px;
    --font-heading: "Inter Tight", "Segoe UI", sans-serif;
    --font-body: "Inter", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--mng-text);
    background: var(--mng-white);
    line-height: 1.65;
    font-size: 16px;
}

h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    color: var(--mng-primary);
    line-height: 1.2;
    margin: 0 0 .6em;
    font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); }
h3 { font-size: 1.35rem; }

p { margin: 0 0 1em; }

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

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

.container {
    max-width: var(--mng-container);
    margin: 0 auto;
    padding: 0 24px;
}

.section { padding: 88px 0; }
.section--tight { padding: 56px 0; }
.section--dark {
    background: var(--mng-primary);
    color: rgba(255,255,255,.75);
}
.section--dark h1, .section--dark h2, .section--dark h3 { color: var(--mng-white); }
.section--soft { background: var(--mng-secondary); }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--mng-accent-dark);
    margin-bottom: 1em;
}
.eyebrow::before {
    content: "";
    width: 22px;
    height: 2px;
    background: var(--mng-accent-dark);
    display: inline-block;
}

.section-head {
    max-width: 680px;
    margin: 0 0 48px;
}
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: var(--mng-radius-pill);
    font-weight: 600;
    font-size: .95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease;
    white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--mng-accent); color: var(--mng-primary); }
.btn-primary:hover { background: var(--mng-accent-dark); }
.btn-outline { border-color: rgba(255,255,255,.4); color: inherit; }
.btn-outline:hover { border-color: var(--mng-accent); background: rgba(137,234,95,.1); }
.btn-outline-dark { border-color: var(--mng-primary); color: var(--mng-primary); }
.btn-outline-dark:hover { background: var(--mng-primary); color: var(--mng-white); }
.btn-link { padding: 0; border-radius: 0; font-weight: 700; color: var(--mng-primary); border-bottom: 2px solid var(--mng-accent); }
.btn-sm { padding: 10px 20px; font-size: .85rem; }

/* ---- Header ---- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--mng-white);
    border-bottom: 1px solid var(--mng-divider);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 84px;
    gap: 24px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--mng-primary);
    flex-shrink: 0;
}
.brand .mark {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    border-radius: 14px;
    background: var(--mng-white);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.brand .mark img { width: 100%; height: 100%; object-fit: contain; }
.brand small { display: block; font-family: var(--font-body); font-weight: 500; font-size: .65rem; color: var(--mng-text-light); letter-spacing: .04em; }

.main-nav { display: flex; align-items: center; gap: 4px; flex: 1; justify-content: center; }
.main-nav > li { position: relative; list-style: none; }
.main-nav a.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
    border-radius: var(--mng-radius-pill);
    font-weight: 600;
    font-size: .9rem;
    color: var(--mng-primary);
}
.main-nav a.nav-link:hover, .main-nav li.is-open a.nav-link { background: var(--mng-secondary); }
.main-nav .dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--mng-white);
    box-shadow: var(--mng-shadow);
    border-radius: var(--mng-radius-sm);
    padding: 10px;
    min-width: 240px;
    display: none;
    border: 1px solid var(--mng-divider);
}
.main-nav li.is-open .dropdown { display: block; }
.main-nav .dropdown a {
    display: block;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: .88rem;
    font-weight: 500;
    color: var(--mng-text);
}
.main-nav .dropdown a:hover { background: var(--mng-secondary); color: var(--mng-primary); }
.main-nav .nav-link .icon { margin-left: 2px; }

.header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.lang-switch { display: flex; gap: 2px; background: var(--mng-secondary); border-radius: var(--mng-radius-pill); padding: 3px; }
.lang-switch a { padding: 6px 12px; border-radius: var(--mng-radius-pill); font-size: .78rem; font-weight: 700; color: var(--mng-text-light); }
.lang-switch a.is-active { background: var(--mng-primary); color: var(--mng-white); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--mng-primary); margin: 5px 0; }

/* ---- Hero ---- */
.hero {
    position: relative;
    background: radial-gradient(120% 140% at 15% 0%, var(--mng-primary-light) 0%, var(--mng-primary) 55%, #010b00 100%);
    color: var(--mng-white);
    overflow: hidden;
    padding: 120px 0 100px;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 82% 20%, rgba(137,234,95,.25), transparent 45%),
        radial-gradient(circle at 100% 90%, rgba(137,234,95,.12), transparent 40%);
    pointer-events: none;
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero-eyebrow { color: var(--mng-accent); }
.hero-eyebrow::before { background: var(--mng-accent); }
.hero h1 { color: var(--mng-white); }
.hero h1 em { color: var(--mng-accent); font-style: normal; }
.hero p.lead { font-size: 1.15rem; color: rgba(255,255,255,.75); max-width: 520px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 32px; }
.hero-stats { display: flex; gap: 32px; margin-top: 56px; flex-wrap: wrap; }
.hero-stats div strong { display: block; font-family: var(--font-heading); font-size: 1.8rem; color: var(--mng-accent); }
.hero-stats div span { font-size: .8rem; color: rgba(255,255,255,.6); }
.hero-visual {
    aspect-ratio: 4/5;
    border-radius: 28px;
    background: linear-gradient(160deg, rgba(137,234,95,.35), rgba(255,255,255,.05));
    border: 1px solid rgba(255,255,255,.15);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
    overflow: hidden;
}

/* ---- Cards ---- */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.card {
    background: var(--mng-white);
    border: 1px solid var(--mng-divider);
    border-radius: var(--mng-radius);
    overflow: hidden;
    transition: box-shadow .2s ease, transform .2s ease;
    display: flex;
    flex-direction: column;
}
.card:hover { box-shadow: var(--mng-shadow); transform: translateY(-4px); }
.card-media {
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--mng-secondary), #dfe6d9);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mng-primary);
    position: relative;
}
.card-media .badge { position: absolute; top: 14px; left: 14px; }

/* ---- Image placeholders ---- */
.placeholder-icon { width: 25%; max-width: 56px; height: auto; opacity: .32; }
.play-badge {
    width: 30%;
    max-width: 60px;
    aspect-ratio: 1;
    border-radius: 50%;
    background: var(--mng-primary);
    color: var(--mng-white);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.play-badge .icon { width: 38%; height: 38%; margin-left: 6%; }
.card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.card-meta { font-size: .78rem; color: var(--mng-text-light); margin-bottom: 8px; display: flex; gap: 10px; flex-wrap: wrap; }
.card-body h3 { margin-bottom: .4em; font-size: 1.15rem; }
.card-body p { color: var(--mng-text-light); font-size: .92rem; flex: 1; }
.card-foot { margin-top: 14px; }

.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: var(--mng-radius-pill);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .03em;
    background: var(--mng-secondary);
    color: var(--mng-primary);
}
.badge-accent { background: var(--mng-accent); color: var(--mng-primary); }
.badge-dark { background: var(--mng-primary); color: var(--mng-white); }

.icon-box { display: flex; gap: 18px; align-items: flex-start; }
.icon-box .icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: var(--mng-radius-sm);
    background: var(--mng-secondary);
    color: var(--mng-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}
.icon-box h3 { margin-bottom: .3em; font-size: 1.05rem; }
.icon-box p { color: var(--mng-text-light); font-size: .92rem; margin: 0; }

/* ---- Square framed image: full photo visible, blurred copy fills the rest ---- */
.blurred-frame { position: relative; overflow: hidden; background: var(--mng-primary); }
.blurred-frame-bg {
    position: absolute;
    inset: -12px;
    background-size: cover;
    background-position: center;
    filter: blur(18px);
    transform: scale(1.15);
}
.blurred-frame img { position: relative; width: 100%; height: 100%; object-fit: contain; }

.species-card { flex-direction: row; }
.species-photo { width: 38%; flex-shrink: 0; }

/* ---- Scroller (carrousel léger) ---- */
.scroller {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    padding-bottom: 12px;
    scroll-snap-type: x mandatory;
}
.scroller::-webkit-scrollbar { height: 6px; }
.scroller::-webkit-scrollbar-thumb { background: var(--mng-divider); border-radius: 4px; }
.scroller > * { scroll-snap-align: start; flex: 0 0 auto; }

/* ---- Book / product placeholders ---- */
.book-cover, .product-image {
    background: linear-gradient(150deg, var(--mng-primary), var(--mng-primary-light));
    color: var(--mng-accent);
    border-radius: var(--mng-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    text-align: center;
    padding: 20px;
}

/* ---- Forms ---- */
.form-grid { display: grid; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field label { display: block; font-size: .82rem; font-weight: 700; color: var(--mng-primary); margin-bottom: 6px; }
.field input, .field select, .field textarea {
    width: 100%;
    padding: 13px 16px;
    border-radius: var(--mng-radius-sm);
    border: 1px solid var(--mng-divider);
    background: var(--mng-secondary);
    font-family: var(--font-body);
    font-size: .95rem;
    color: var(--mng-text);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--mng-accent); background: var(--mng-white); }
.field textarea { resize: vertical; min-height: 120px; }

.newsletter-bar {
    background: var(--mng-primary);
    border-radius: var(--mng-radius);
    padding: 48px;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 32px;
    align-items: center;
    color: var(--mng-white);
}
.newsletter-bar form { display: flex; gap: 12px; }
.newsletter-bar input[type=email] {
    flex: 1;
    padding: 15px 20px;
    border-radius: var(--mng-radius-pill);
    border: none;
    font-size: .95rem;
}

.alert { padding: 16px 20px; border-radius: var(--mng-radius-sm); margin-bottom: 20px; font-weight: 600; }
.alert-success { background: rgba(137,234,95,.18); color: var(--mng-primary); border: 1px solid var(--mng-accent); }

/* ---- Page header (pages intérieures) ---- */
.page-header {
    background: var(--mng-secondary);
    padding: 64px 0 48px;
    text-align: center;
}
.page-header .breadcrumb { font-size: .82rem; color: var(--mng-text-light); margin-bottom: 12px; }
.page-header .breadcrumb a { color: var(--mng-primary); font-weight: 600; }
.page-header p.lead { max-width: 620px; margin: 0 auto; color: var(--mng-text-light); }

/* ---- Filters bar ---- */
.filters-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.filters-bar button, .filters-bar .filter-pill {
    padding: 9px 18px;
    border-radius: var(--mng-radius-pill);
    border: 1px solid var(--mng-divider);
    background: var(--mng-white);
    font-size: .85rem;
    font-weight: 600;
    color: var(--mng-text);
    cursor: pointer;
}
.filters-bar .filter-pill.is-active, .filters-bar button.is-active { background: var(--mng-primary); color: var(--mng-white); border-color: var(--mng-primary); }

/* ---- Species / stats cards ---- */
.status-pill { padding: 4px 10px; border-radius: 6px; font-size: .68rem; font-weight: 800; letter-spacing: .04em; }
.status-cr { background: #fde2e2; color: #b42318; }
.status-en { background: #ffedd5; color: #b45309; }
.status-vu { background: #fef3c7; color: #92680a; }

/* ---- Footer ---- */
.site-footer { background: var(--mng-primary); color: rgba(255,255,255,.65); padding-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-grid h4 { color: var(--mng-white); font-family: var(--font-heading); font-size: .95rem; margin-bottom: 18px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-grid a { font-size: .88rem; }
.footer-grid a:hover { color: var(--mng-accent); }
.footer-brand p { font-size: .88rem; max-width: 280px; }
.social-row { display: flex; gap: 10px; margin-top: 18px; }
.social-row a {
    width: 38px; height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.2);
    display: flex; align-items: center; justify-content: center;
    font-size: .85rem;
}
.social-row a:hover { background: var(--mng-accent); color: var(--mng-primary); border-color: var(--mng-accent); }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: .8rem;
    flex-wrap: wrap;
    gap: 10px;
}
.footer-bottom a { margin-left: 18px; }

/* ---- Utilities ---- */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.flex { display: flex; }
.gap-2 { gap: 16px; }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }

/* ---- Responsive ---- */
@media (max-width: 960px) {
    .hero .container { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .grid-5 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .newsletter-bar { grid-template-columns: 1fr; text-align: center; }
    .newsletter-bar form { flex-direction: column; }
}
@media (max-width: 760px) {
    .main-nav, .header-actions .lang-switch { display: none; }
    .nav-toggle { display: block; }
    .grid-5, .grid-4, .grid-3 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .section { padding: 56px 0; }
    .newsletter-bar { padding: 32px 24px; }
    .species-card { flex-direction: column; }
    .species-photo { width: 100%; aspect-ratio: 16/10 !important; }
    body.nav-open .main-nav {
        display: flex;
        position: fixed;
        inset: 84px 0 0 0;
        background: var(--mng-white);
        flex-direction: column;
        align-items: stretch;
        padding: 20px;
        overflow-y: auto;
        z-index: 90;
    }
    body.nav-open .main-nav .dropdown { position: static; box-shadow: none; display: block; border: none; padding-left: 14px; }
}
@media (max-width: 420px) {
    .site-header .container { height: 68px; gap: 12px; }
    .brand { gap: 8px; font-size: 1rem; }
    .brand .mark { width: 44px; height: 44px; border-radius: 10px; }
    .brand small { font-size: .58rem; }
    .container { padding: 0 16px; }
    body.nav-open .main-nav { inset: 68px 0 0 0; }
}