/* ==========================================================================
   Promethix.ch — Identité visuelle v2
   Bleu nuit + vert sobre + serif pour les titres
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --px-navy:      #0f1e35;
    --px-navy-mid:  #1a3a5c;
    --px-navy-light:#2c5282;
    --px-green:     #2d8a6e;
    --px-green-light:#3ab88a;
    --px-cream:     #f7f5f0;
    --px-white:     #ffffff;
    --px-gray:      #64748b;
    --px-gray-light:#e8edf3;
    --px-text:      #1a2332;
    --px-muted:     #64748b;
    --px-border:    #dde3ed;
}

html { scroll-behavior: smooth; }

body {
    background: var(--px-white);
    color: var(--px-text);
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    line-height: 1.7;
}

/* ---- Typographie ---- */
h1, h2, h3 {
    font-family: 'Playfair Display', Georgia, serif;
    color: var(--px-navy);
    line-height: 1.2;
}
h4, h5, h6 { font-family: 'Inter', sans-serif; color: var(--px-navy); }

.text-px-green   { color: var(--px-green) !important; }
.text-px-navy    { color: var(--px-navy) !important; }
.text-px-muted   { color: var(--px-muted) !important; }
.bg-px-navy      { background-color: var(--px-navy) !important; }
.bg-px-cream     { background-color: var(--px-cream) !important; }
.bg-px-white     { background-color: var(--px-white) !important; }

/* ---- Navbar ---- */
.navbar {
    background: rgba(255,255,255,0.97) !important;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--px-border) !important;
    padding: 0.75rem 0;
}
.navbar-brand span { color: var(--px-navy); font-weight: 700; letter-spacing: 2px; font-size: 1.1rem; }
.nav-link { color: var(--px-navy) !important; font-weight: 500; font-size: 0.9rem; letter-spacing: 0.3px; padding: 0.5rem 0.9rem !important; transition: color 0.2s; }
.nav-link:hover { color: var(--px-green) !important; }
.nav-link.active { color: var(--px-green) !important; }
.navbar-toggler { border: 1px solid var(--px-border); }
.navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%230f1e35' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }

/* ---- Dropdown langue ---- */
.lang-btn {
    color: var(--px-navy) !important;
    border: 1px solid var(--px-border) !important;
    border-radius: 6px;
    padding: 4px 14px !important;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 1px;
}
.lang-btn:hover { background: var(--px-gray-light) !important; }
.dropdown-menu { border: 1px solid var(--px-border); box-shadow: 0 8px 24px rgba(15,30,53,0.08); border-radius: 8px; }
.dropdown-item { font-size: 0.88rem; color: var(--px-text); padding: 8px 16px; }
.dropdown-item:hover { background: var(--px-gray-light); color: var(--px-green); }

/* ---- Hero ---- */
#hero {
    min-height: 100vh;
    padding-top: 80px;
    background: var(--px-navy);
    background-image: linear-gradient(135deg, #0f1e35 0%, #1a3a5c 50%, #0f2d1e 100%);
    position: relative;
    overflow: hidden;
}
#hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('../img/background-promethix.webp');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(45,138,110,0.15);
    border: 1px solid rgba(45,138,110,0.4);
    color: var(--px-green-light);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 1.5rem;
}
#hero h1 { color: #fff; font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 700; }
#hero h1 .accent { color: var(--px-green-light); }
#hero p.lead { color: rgba(255,255,255,0.72); font-size: 1.1rem; max-width: 640px; }

/* ---- Boutons ---- */
.btn-px-primary {
    background: var(--px-green);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 14px 32px;
    font-weight: 600;
    font-size: 0.92rem;
    letter-spacing: 0.3px;
    transition: all 0.25s;
}
.btn-px-primary:hover { background: var(--px-green-light); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(45,138,110,0.3); }

.btn-px-outline {
    background: transparent;
    color: rgba(255,255,255,0.85);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 6px;
    padding: 14px 32px;
    font-weight: 500;
    font-size: 0.92rem;
    transition: all 0.25s;
}
.btn-px-outline:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,0.07); }

.btn-px-ghost {
    background: transparent;
    color: var(--px-navy);
    border: 1px solid var(--px-border);
    border-radius: 6px;
    padding: 12px 28px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.25s;
}
.btn-px-ghost:hover { border-color: var(--px-green); color: var(--px-green); background: rgba(45,138,110,0.04); }

/* ---- Stats strip ---- */
.stats-strip { background: var(--px-cream); border-top: 1px solid var(--px-border); border-bottom: 1px solid var(--px-border); }
.stat-item { text-align: center; padding: 2rem 1rem; }
.stat-num { font-family: 'Playfair Display', serif; font-size: 2.4rem; font-weight: 700; color: var(--px-navy); line-height: 1; }
.stat-label { font-size: 0.82rem; color: var(--px-muted); letter-spacing: 0.5px; margin-top: 4px; }
.stat-divider { width: 1px; background: var(--px-border); }

/* ---- Section titres ---- */
.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--px-green);
    margin-bottom: 0.75rem;
}
.section-title { font-size: clamp(1.8rem, 3vw, 2.6rem); color: var(--px-navy); margin-bottom: 1rem; }
.section-line { width: 48px; height: 3px; background: var(--px-green); border-radius: 2px; margin: 0 auto 1.5rem; }
.section-line.left { margin-left: 0; }

/* ---- Cards services ---- */
.service-card {
    background: var(--px-white);
    border: 1px solid var(--px-border);
    border-radius: 12px;
    padding: 2rem;
    height: 100%;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--px-green);
    transform: scaleX(0);
    transition: transform 0.3s;
    transform-origin: left;
}
.service-card:hover { border-color: var(--px-green); box-shadow: 0 8px 32px rgba(15,30,53,0.08); transform: translateY(-3px); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { width: 52px; height: 52px; background: rgba(45,138,110,0.08); border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.25rem; }
.service-icon i { font-size: 1.4rem; color: var(--px-green); }
.service-card h3 { font-family: 'Inter', sans-serif; font-size: 1.05rem; font-weight: 600; color: var(--px-navy); margin-bottom: 0.75rem; }
.service-card p { font-size: 0.9rem; color: var(--px-muted); margin: 0; }

/* ---- Secteurs cards ---- */
.sector-card {
    background: var(--px-white);
    border: 1px solid var(--px-border);
    border-radius: 12px;
    padding: 2.5rem 2rem;
    height: 100%;
    transition: all 0.3s;
    cursor: pointer;
}
.sector-card:hover { border-color: var(--px-navy); box-shadow: 0 12px 40px rgba(15,30,53,0.1); transform: translateY(-4px); }
.sector-icon-wrap { width: 60px; height: 60px; background: var(--px-navy); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 1.5rem; }
.sector-icon-wrap i { font-size: 1.6rem; color: var(--px-green-light); }
.sector-card h3 { font-family: 'Playfair Display', serif; font-size: 1.3rem; color: var(--px-navy); margin-bottom: 0.75rem; }
.sector-card p { font-size: 0.9rem; color: var(--px-muted); }
.sector-tag { display: inline-block; font-size: 0.75rem; font-weight: 600; color: var(--px-green); background: rgba(45,138,110,0.08); border: 1px solid rgba(45,138,110,0.2); padding: 3px 10px; border-radius: 20px; margin: 2px; }

/* ---- Expert / À propos ---- */
.expert-photo-wrap {
    width: 200px; height: 200px;
    border-radius: 50%;
    border: 3px solid var(--px-green);
    padding: 4px;
    box-shadow: 0 0 0 8px rgba(45,138,110,0.07);
}
.expert-photo-wrap img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; object-position: center top; }
.skill-tag { display: inline-block; font-size: 0.78rem; font-weight: 600; color: var(--px-navy); background: var(--px-gray-light); border: 1px solid var(--px-border); padding: 4px 12px; border-radius: 20px; margin: 3px; }

/* ---- Engagements ---- */
.engage-card {
    background: var(--px-white);
    border: 1px solid var(--px-border);
    border-radius: 12px;
    padding: 1.75rem;
    height: 100%;
    text-align: center;
    transition: all 0.3s;
}
.engage-card:hover { border-color: var(--px-green); box-shadow: 0 6px 24px rgba(45,138,110,0.08); }
.engage-num { font-family: 'Playfair Display', serif; font-size: 2.5rem; font-weight: 700; color: rgba(45,138,110,0.2); line-height: 1; margin-bottom: 0.5rem; }
.engage-card h4 { font-family: 'Inter', sans-serif; font-size: 0.95rem; font-weight: 600; color: var(--px-navy); margin-bottom: 0.5rem; }
.engage-card p { font-size: 0.87rem; color: var(--px-muted); margin: 0; }

/* ---- Contact ---- */
.contact-info-item { display: flex; align-items: flex-start; gap: 14px; padding: 1rem 0; border-bottom: 1px solid var(--px-border); }
.contact-info-item:last-child { border-bottom: none; }
.contact-icon { width: 40px; height: 40px; background: rgba(45,138,110,0.08); border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-icon i { color: var(--px-green); font-size: 1rem; }
.contact-label { font-size: 0.75rem; font-weight: 600; color: var(--px-muted); text-transform: uppercase; letter-spacing: 1px; }
.contact-value { font-size: 0.95rem; color: var(--px-navy); font-weight: 500; }

/* ---- Formulaire contact ---- */
.form-label { font-size: 0.82rem; font-weight: 600; color: var(--px-navy); letter-spacing: 0.3px; margin-bottom: 6px; }
.form-control, .form-select {
    border: 1px solid var(--px-border);
    border-radius: 8px;
    color: var(--px-text);
    font-size: 0.9rem;
    padding: 10px 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus, .form-select:focus {
    border-color: var(--px-green);
    box-shadow: 0 0 0 3px rgba(45,138,110,0.1);
    outline: none;
}

/* ---- Footer ---- */
.site-footer { background: var(--px-navy); color: rgba(255,255,255,0.5); }
.site-footer a { color: rgba(255,255,255,0.5); text-decoration: none; transition: color 0.2s; }
.site-footer a:hover { color: var(--px-green-light); }
.footer-brand span { color: #fff; }

/* ---- Cookie banner ---- */
#cookieBanner { background: var(--px-navy); border-top: 2px solid var(--px-green); }

/* ---- AOS override ---- */
[data-aos] { pointer-events: none; }
[data-aos].aos-animate { pointer-events: auto; }

/* ---- Utilitaires ---- */
.rounded-px { border-radius: 12px; }
.shadow-px { box-shadow: 0 4px 24px rgba(15,30,53,0.08); }

/* ==========================================================================
   Blog
   ========================================================================== */

.blog-card {
    background: var(--px-white);
    border: 1px solid var(--px-border);
    border-radius: 12px;
    padding: 1.75rem;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    border-color: var(--px-navy);
    box-shadow: 0 8px 32px rgba(15,30,53,0.08);
    transform: translateY(-3px);
}

.blog-card-cat {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--px-green);
    margin-bottom: 0.75rem;
}

.blog-card-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.15rem;
    color: var(--px-navy);
    margin-bottom: 0.75rem;
    line-height: 1.35;
}

.blog-card-excerpt {
    font-size: 0.88rem;
    color: var(--px-muted);
    line-height: 1.65;
    flex: 1;
    margin-bottom: 1.25rem;
}

.blog-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--px-border);
}

.blog-card-date {
    font-size: 0.78rem;
    color: var(--px-muted);
}

.blog-card-read {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--px-green);
    background: rgba(45,138,110,0.08);
    padding: 2px 10px;
    border-radius: 20px;
}

/* Article page */
.article-header {
    max-width: 760px;
    margin: 0 auto;
}

.article-body {
    max-width: 760px;
    margin: 0 auto;
    font-size: 1rem;
    line-height: 1.85;
    color: var(--px-text);
}

.article-body h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    color: var(--px-navy);
    margin: 2.5rem 0 1rem;
}

.article-body h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--px-navy);
    margin: 2rem 0 0.75rem;
}

.article-body p { margin-bottom: 1.25rem; }

.article-body ul, .article-body ol {
    padding-left: 1.5rem;
    margin-bottom: 1.25rem;
}

.article-body li { margin-bottom: 0.5rem; }

.article-body blockquote {
    border-left: 3px solid var(--px-green);
    padding: 0.75rem 1.25rem;
    background: var(--px-cream);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    margin: 1.5rem 0;
    color: var(--px-navy);
}

.article-body strong { color: var(--px-navy); font-weight: 600; }

.article-callout {
    background: rgba(45,138,110,0.06);
    border: 1px solid rgba(45,138,110,0.2);
    border-radius: 10px;
    padding: 1.25rem 1.5rem;
    margin: 2rem 0;
}

.article-callout p { margin: 0; font-size: 0.92rem; }