@import url('https://fonts.googleapis.com/css2?family=Forum&family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ================================================
   LeafLife — Global styles
   Tokens alignés sur le design system
   ================================================ */

:root {
    /* Palette */
    --c-bark:        #0F2A1D;
    --c-canopy:      #1F3A2E;
    --c-moss:        #2D5A3D;
    --c-leaf:        #4A6B4F;
    --c-sage:        #86A789;
    --c-mist:        #C8D4C5;

    --c-cream:       #F5F1E8;
    --c-paper:       #FAF8F2;
    --c-soil:        #B5651D;
    --c-amber:       #C9A96E;
    --c-rust:        #8B3A1F;
    --c-ink:         #142019;
    --c-line:        rgba(15, 42, 29, 0.12);
    --c-line-strong: rgba(15, 42, 29, 0.22);

    /* Typographie */
    --f-serif: "Forum", Georgia, serif;
    --f-sans:  "Inter", -apple-system, system-ui, sans-serif;
    --f-mono:  "JetBrains Mono", ui-monospace, monospace;

    /* Rayons */
    --r-sm: 4px;
    --r-md: 8px;
    --r-lg: 14px;
    --r-xl: 22px;

    /* Ombres */
    --shadow-1: 0 1px 2px rgba(15,42,29,.06), 0 1px 1px rgba(15,42,29,.04);
    --shadow-2: 0 4px 14px rgba(15,42,29,.08), 0 2px 4px rgba(15,42,29,.04);
    --shadow-3: 0 18px 40px rgba(15,42,29,.12), 0 4px 10px rgba(15,42,29,.06);

    /* Mise en page */
    --pad: max(14px, 1.05vw);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { width: 100%; overflow-x: hidden; }

body {
    width: 100%;
    min-height: 100vh;
    overflow-x: hidden;
    font-family: var(--f-sans);
    line-height: 1.45;
    background: var(--c-paper);
    color: var(--c-ink);
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

/* ============= HEADER ============= */

.site-header, .main-content, .site-footer { width: 100%; }

.site-header {
    background: var(--c-paper);
    border-bottom: 1px solid var(--c-ink);
}

.header-inner {
    width: 100%;
    min-height: max(62px, 4.2vw);
    padding: max(8px, .55vw) var(--pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: max(14px, 1.5vw);
}

.logo-area { flex: 0 0 auto; min-width: 0; display: flex; align-items: center; }

.logo-header {
    width: max(220px, 14vw);
    max-width: none;
    height: auto;
    object-fit: contain;
    display: block;
}

.header-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: max(12px, 1.25vw);
    flex-wrap: wrap;
}

.main-nav ul {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: max(12px, 1vw);
    list-style: none;
    white-space: nowrap;
}

.nav-link {
    color: var(--c-leaf);
    font-family: var(--f-sans);
    font-size: max(.86rem, .72vw);
    font-weight: 500;
    transition: color .15s;
}
.nav-link:hover, .nav-link.nav-active { color: var(--c-soil); }

.db-status {
    white-space: nowrap;
    border-radius: var(--r-sm);
    padding: .55em .9em;
    font-family: var(--f-sans);
    font-size: max(.76rem, .68vw);
    font-weight: 700;
}
.db-status.connected { background: var(--c-moss); color: var(--c-cream); }

/* ============= MAIN ============= */

.main-content { padding: max(44px, 4.4vw) var(--pad) max(46px, 4vw); }

/* ============= BOUTONS (design system) ============= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--f-sans);
    font-weight: 500;
    font-size: 14px;
    padding: 10px 18px;
    border-radius: var(--r-md);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    line-height: 1;
    transition: transform .12s ease, background .15s ease, border-color .15s ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary  { background: var(--c-bark);  color: var(--c-cream); }
.btn-primary:hover  { background: var(--c-canopy); }

.btn-secondary { background: transparent; color: var(--c-bark); border-color: var(--c-line-strong); }
.btn-secondary:hover { background: var(--c-cream); }

.btn-accent { background: var(--c-soil); color: white; }
.btn-accent:hover { background: #9c5418; }

.btn-ghost { background: transparent; color: var(--c-moss); }
.btn-ghost:hover { background: var(--c-cream); color: var(--c-bark); }

.btn-sm { padding: 6px 12px; font-size: 12.5px; }

/* Taille héros */
.cta-buttons .btn {
    min-height: max(40px, 2.7vw);
    font-size: max(.88rem, .72vw);
    padding: .8em 1.45em;
}

/* ============= HERO ============= */

.hero {
    width: 100%;
    min-height: max(300px, 26vw);
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, .92fr);
    align-items: center;
    gap: max(24px, 4vw);
}

.hero-text { min-width: 0; }

.hero-title {
    max-width: 12.5ch;
    color: var(--c-bark);
    font-family: var(--f-serif);
    font-size: max(3.2rem, 4.55vw);
    line-height: 1.05;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    max-width: 75ch;
    margin-top: max(18px, 1.5vw);
    color: var(--c-leaf);
    font-size: max(1rem, 1.05vw);
    line-height: 1.55;
}

.cta-buttons {
    margin-top: max(20px, 1.8vw);
    display: flex;
    flex-wrap: wrap;
    gap: max(10px, .8vw);
}

.hero-image { min-width: 0; display: flex; justify-content: flex-end; align-items: center; }
.hero-image img { width: min(100%, max(330px, 32vw)); object-fit: contain; }

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: max(32px, 2.5vw);
    padding-top: max(24px, 2vw);
    border-top: 1px solid var(--c-line);
}
.stat-item { display: flex; flex-direction: column; gap: 5px; }
.stat-number { font-family: var(--f-serif); font-size: max(1.9rem, 2vw); font-weight: 400; color: var(--c-bark); line-height: 1; letter-spacing: -0.01em; }
.stat-label { font-family: var(--f-mono); font-size: max(.68rem, .56vw); letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-moss); }

/* ============= FEATURE SECTION ============= */

.feature-section { width: 100%; margin-top: max(38px, 4.2vw); }

.feature-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 32vw);
    align-items: start;
    gap: max(24px, 4vw);
    margin-bottom: max(18px, 1.6vw);
}

.feature-kicker { color: var(--c-leaf); font-family: var(--f-mono); font-size: max(.72rem, .58vw); letter-spacing: .18em; margin-bottom: .65rem; }

.feature-title { color: var(--c-bark); font-family: var(--f-serif); font-size: max(2rem, 2.15vw); line-height: 1.1; font-weight: 400; }

.feature-intro { max-width: 48ch; color: var(--c-leaf); font-size: max(.88rem, .78vw); line-height: 1.55; }

.feature-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: max(12px, 1.1vw);
}

.feature-card {
    min-height: max(184px, 11vw);
    border: 1px solid var(--c-line);
    border-radius: var(--r-lg);
    background: white;
    padding: max(16px, 1.15vw);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    box-shadow: var(--shadow-1);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    text-decoration: none;
    color: inherit;
}
.feature-card:hover { transform: translateY(-3px); border-color: var(--c-sage); box-shadow: var(--shadow-2); }

.feature-number { color: var(--c-leaf); font-family: var(--f-mono); font-size: max(.74rem, .58vw); font-weight: 500; letter-spacing: 0.08em; }

.feature-icon { width: max(34px, 2.1vw); height: max(34px, 2.1vw); margin-top: max(10px, .8vw); border-radius: var(--r-md); background: var(--c-cream); display: inline-flex; align-items: center; justify-content: center; }
.feature-icon img { width: 55%; height: 55%; object-fit: contain; }

.feature-card h3 { margin-top: max(12px, .95vw); color: var(--c-bark); font-family: var(--f-serif); font-size: max(1.1rem, 1vw); font-weight: 400; line-height: 1.2; }
.feature-card p { margin-top: .45rem; color: var(--c-leaf); font-size: max(.8rem, .68vw); line-height: 1.45; }

.feature-link { margin-top: auto; padding-top: max(12px, .9vw); color: var(--c-soil); font-family: var(--f-mono); font-size: max(.68rem, .52vw); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }

/* ============= FOOTER ============= */

.site-footer { background: var(--c-bark); color: white; }

.footer-inner {
    width: 100%;
    padding: max(30px, 3.1vw) var(--pad);
    display: grid;
    grid-template-columns: minmax(260px, 1fr) minmax(420px, 1fr);
    align-items: start;
    gap: max(28px, 5vw);
}

.footer-brand { justify-self: start; text-align: left; }

.footer-logo { width: max(260px, 16vw); max-width: none; height: auto; object-fit: contain; display: block; margin-bottom: 12px; }

.footer-brand p { max-width: 58ch; font-size: max(.95rem, .82vw); font-weight: 700; line-height: 1.35; }

.footer-links { width: 100%; justify-self: end; display: grid; grid-template-columns: repeat(3, max-content); justify-content: end; gap: max(34px, 4vw); text-align: right; }

.footer-column h3 { margin-bottom: .85rem; color: var(--c-sage); font-size: max(.95rem, .82vw); font-weight: 700; letter-spacing: 0.01em; }
.footer-column ul { list-style: none; }
.footer-column li + li { margin-top: .45rem; }

.footer-column a { color: white; font-size: max(.85rem, .72vw); font-weight: 600; transition: color .15s; }
.footer-column a:hover { color: var(--c-amber); }

.footer-bottom {
    margin-inline: var(--pad);
    border-top: 1px solid rgba(255,255,255,.2);
    padding-block: max(12px, .75vw);
    text-align: center;
    color: var(--c-sage);
    font-family: var(--f-mono);
    font-size: max(.72rem, .55vw);
    letter-spacing: 0.03em;
}

/* ============= RESPONSIVE ============= */

@media (min-width: 1600px) {
    :root { --pad: 1.05vw; }
    .hero-title { font-size: 4.55vw; }
    .hero-subtitle { font-size: 1.05vw; }
    .nav-link, .db-status, .footer-column a { font-size: .72vw; }
    .footer-brand p, .footer-column h3 { font-size: .82vw; }
    .hero-image img { width: 32vw; }
    .feature-card { min-height: 11vw; }
}

@media (max-width: 900px) {
    .header-inner { align-items: flex-start; flex-direction: column; }
    .header-right, .main-nav ul { width: 100%; justify-content: flex-start; }
    .hero { grid-template-columns: 1fr; }
    .hero-title, .hero-subtitle { max-width: none; }
    .hero-image { justify-content: center; }
    .feature-heading { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-inner { grid-template-columns: 1fr; }
    .footer-links { justify-content: start; grid-template-columns: repeat(3, minmax(0, max-content)); text-align: left; }
}

@media (max-width: 560px) {
    :root { --pad: 14px; }
    .main-nav ul, .header-right, .cta-buttons { align-items: stretch; }
    .main-nav ul { flex-wrap: wrap; }
    .db-status { width: fit-content; }
    .hero-title { font-size: clamp(2.4rem, 13vw, 3.5rem); }
    .hero-image img { width: 100%; }
    .cta-buttons .btn { flex: 1 1 150px; }
    .feature-grid { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr; gap: 24px; }
}