/* =========================================================
   CIPA BF — Feuille de style principale
   Thème "blueprint" : bleu technique + accent orange
   ========================================================= */

:root{
    --navy:      #0d2c4d;
    --navy-900:  #0a2340;
    --navy-700:  #123a63;
    --blue:      #1d6fd0;
    --blue-500:  #2f80ed;
    --blue-100:  #e7f0fb;
    --accent:    #f39019;
    --accent-600:#d97706;
    --ink:       #1a2230;
    --muted:     #5b6b7f;
    --line:      #e3e9f0;
    --bg:        #ffffff;
    --bg-soft:   #f5f8fc;
    --white:     #ffffff;
    --radius:    14px;
    --radius-sm: 9px;
    --shadow:    0 10px 30px rgba(13,44,77,.10);
    --shadow-sm: 0 4px 14px rgba(13,44,77,.08);
    --container:1160px;
    --font:      'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    --font-head: 'Space Grotesk', var(--font);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--font);
    color:var(--ink);
    background:var(--bg);
    line-height:1.65;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--accent-600)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.accent{color:var(--accent)}
.eyebrow{
    display:inline-block;font-family:var(--font-head);font-weight:700;
    text-transform:uppercase;letter-spacing:.12em;font-size:.74rem;
    color:var(--blue);background:var(--blue-100);
    padding:.35rem .7rem;border-radius:999px;margin-bottom:1rem;
}
.section-alt .eyebrow{background:rgba(255,255,255,.08);color:#bcd4f0}

h1,h2,h3,h4{font-family:var(--font-head);line-height:1.15;color:var(--navy);font-weight:700}
h1{font-size:clamp(2rem,4.5vw,3.25rem);letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.3rem);letter-spacing:-.01em}
h3{font-size:1.2rem}
p{color:var(--muted)}
.lead{font-size:1.12rem;color:#42576d;max-width:60ch}

/* ---------- Boutons ---------- */
.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
    font-weight:600;font-family:var(--font);font-size:.98rem;
    padding:.85rem 1.5rem;border-radius:999px;border:2px solid transparent;
    cursor:pointer;transition:.2s ease;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--navy);color:var(--navy)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:#f0f4f9;color:var(--navy);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost-light:hover{border-color:#fff;color:#fff}
.btn-whatsapp{background:#25d366;color:#04361a;font-weight:700}
.btn-whatsapp:hover{background:#1fbe5a;color:#04361a}
.btn-block{width:100%}
.btn-nav{padding:.6rem 1.1rem}

/* ---------- Header ---------- */
.site-header{
    position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);
    backdrop-filter:saturate(140%) blur(10px);
    border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:.65rem;color:var(--navy)}
.brand-mark{color:var(--blue);display:flex}
.brand-logo{width:46px;height:46px;border-radius:50%;object-fit:cover;background:#fff;flex:none}
.brand-footer .brand-logo{width:40px;height:40px}
.brand-text strong{font-family:var(--font-head);font-size:1.3rem;letter-spacing:-.02em;display:block;line-height:1}
.brand-text small{font-size:.66rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.site-nav{display:flex;align-items:center;gap:1.6rem}
.site-nav a{color:var(--navy);font-weight:500;font-size:.98rem}
.site-nav a:not(.btn):hover{color:var(--accent)}
.site-nav a.active:not(.btn){color:var(--accent)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--navy);border-radius:2px;transition:.25s}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(160deg,var(--navy) 0%,var(--navy-700) 100%);color:#fff;overflow:hidden}
.hero-grid-bg{
    position:absolute;inset:0;
    background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
    background-size:34px 34px;mask-image:radial-gradient(circle at 30% 30%,#000,transparent 80%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center;padding:4.5rem 24px 5rem}
.hero-content h1{color:#fff}
.hero-content .lead{color:#c7d7ea;margin:1.2rem 0 1.8rem}
.hero-actions{display:flex;gap:.9rem;flex-wrap:wrap}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.hero .btn-ghost:hover{border-color:#fff}
.hero-badges{list-style:none;display:flex;flex-wrap:wrap;gap:1.2rem;margin-top:2rem;color:#9fbde0;font-size:.9rem}
.hero-visual{display:flex;justify-content:center}
.blueprint-card{
    width:100%;max-width:420px;aspect-ratio:300/220;background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.15);border-radius:var(--radius);padding:12px;
    box-shadow:0 20px 60px rgba(0,0,0,.35);
}
.hero-photo{
    width:100%;max-width:560px;border-radius:var(--radius);overflow:hidden;
    border:1px solid rgba(255,255,255,.15);
    box-shadow:0 20px 60px rgba(0,0,0,.35);
}
.hero-photo img{width:100%;height:auto;display:block}
.section-showcase{padding-top:0}
.showcase-photo{
    max-width:960px;margin:0 auto;border-radius:var(--radius);overflow:hidden;
    border:1px solid var(--line);box-shadow:var(--shadow);
}
.showcase-photo img{width:100%;height:auto;display:block}

/* ---------- Stats ---------- */
.stats{background:var(--navy-900);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:2rem 24px}
.stat{text-align:center;padding:.6rem}
.stat strong{display:block;font-family:var(--font-head);font-size:1.9rem;color:var(--accent)}
.stat span{font-size:.86rem;color:#9fbde0}

/* ---------- Sections ---------- */
.section{padding:5rem 0}
.section-alt{background:var(--navy);color:#fff}
.section-alt h2,.section-alt h3{color:#fff}
.section-alt p{color:#bcd0e6}
.section-head{max-width:680px;margin:0 auto 3rem;text-align:center}
.section-head p{margin-top:.7rem}
.section-cta{text-align:center;margin-top:2.5rem}

/* ---------- Cartes services ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.card{
    background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
    padding:1.8rem;transition:.22s ease;box-shadow:var(--shadow-sm);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0f3}
.card-icon{font-size:2rem;margin-bottom:.7rem}
.card h3{color:var(--navy);margin-bottom:.4rem}

/* ---------- Why ---------- */
.why-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:3.5rem;align-items:center}
.check-list{list-style:none;margin:1.5rem 0 2rem;display:grid;gap:.9rem}
.check-list li{padding-left:2rem;position:relative;color:#cdddee}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent);font-weight:800}
.check-list li strong{color:#fff}
.why-visual{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.feature-tile{
    background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
    border-radius:var(--radius);padding:1.6rem;text-align:center;
}
.feature-tile span{display:block;font-family:var(--font-head);font-size:2rem;color:var(--accent);font-weight:700}
.feature-tile small{color:#a9c4e0}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.step{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:2rem;position:relative}
.step-num{
    display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
    background:var(--navy);color:#fff;border-radius:50%;font-family:var(--font-head);
    font-weight:700;font-size:1.2rem;margin-bottom:1rem;
}
.step h3{color:var(--navy);margin-bottom:.4rem}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--accent) 0%,var(--accent-600) 100%);color:#fff}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;padding:3rem 24px;flex-wrap:wrap}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9)}
.cta-actions{display:flex;gap:.8rem;flex-wrap:wrap}

/* ---------- Page hero (pages internes) ---------- */
.page-hero{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-700) 100%);color:#fff;padding:3.5rem 0}
.page-hero h1{color:#fff}
.page-hero .lead{color:#c7d7ea;margin-top:.8rem}

/* ---------- Services list ---------- */
.service-list{display:grid;gap:2rem}
.service-row{
    display:grid;grid-template-columns:120px 1fr;gap:2rem;align-items:center;
    background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
    padding:2rem;box-shadow:var(--shadow-sm);
}
.service-row.reverse{grid-template-columns:1fr 120px}
.service-row.reverse .service-media{order:2}
.service-media{
    font-size:3rem;width:120px;height:120px;display:flex;align-items:center;justify-content:center;
    background:var(--blue-100);border-radius:var(--radius);
}
.service-body h2{margin-bottom:.5rem}
.tag-list{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.tag-list li{background:var(--bg-soft);border:1px solid var(--line);color:var(--navy);font-size:.82rem;padding:.3rem .8rem;border-radius:999px}

/* ---------- Table formats ---------- */
.format-table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
.format-table{width:100%;border-collapse:collapse;min-width:480px}
.format-table th,.format-table td{padding:1rem 1.2rem;text-align:left;border-bottom:1px solid var(--line)}
.format-table thead th{background:var(--navy);color:#fff;font-family:var(--font-head)}
.format-table tbody tr:last-child td{border-bottom:0}
.format-table td:first-child{font-weight:700;color:var(--navy)}

/* ---------- Galerie ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.gallery-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.2s}
.gallery-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.gallery-visual{position:relative;aspect-ratio:4/3}
.gallery-visual svg{width:100%;height:100%}
.gallery-format{position:absolute;top:.7rem;right:.7rem;background:var(--accent);color:#fff;font-size:.72rem;font-weight:700;padding:.2rem .6rem;border-radius:999px}
.gallery-item figcaption{padding:1rem 1.2rem}
.gallery-item figcaption strong{display:block;color:var(--navy);font-family:var(--font-head)}
.gallery-item figcaption span{font-size:.88rem;color:var(--muted)}
.note-box{margin-top:2rem;background:var(--blue-100);border:1px dashed #b9d3f2;border-radius:var(--radius);padding:1.2rem 1.4rem}
.note-box p{color:#345a82;margin:0}
.note-box code{background:#fff;padding:.1rem .4rem;border-radius:5px;font-size:.85em}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.6fr .9fr;gap:3rem;align-items:start}
.about-text h2{margin:2rem 0 .8rem}
.about-text h2:first-child{margin-top:0}
.values{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-top:1rem}
.value{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1.2rem}
.value h3{color:var(--navy);margin-bottom:.3rem}
.about-side{display:grid;gap:1.2rem;position:sticky;top:90px}
.about-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow-sm)}
.about-card.highlight{background:var(--navy);color:#fff}
.about-card.highlight h3{color:#fff}
.about-card.highlight p{color:#c7d7ea;margin-bottom:1rem}
.about-card h3{color:var(--navy);margin-bottom:1rem}
.info-list{list-style:none;display:grid;gap:.7rem}
.info-list li{display:flex;justify-content:space-between;gap:1rem;border-bottom:1px dashed var(--line);padding-bottom:.6rem}
.info-list li:last-child{border-bottom:0}
.info-list span{color:var(--muted)}
.info-list strong{color:var(--navy);text-align:right}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:2.5rem;align-items:start}
.contact-form-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-sm)}
.field{margin-bottom:1.2rem;display:flex;flex-direction:column}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field label{font-weight:600;color:var(--navy);margin-bottom:.4rem;font-size:.92rem}
.field input,.field select,.field textarea{
    font-family:var(--font);font-size:1rem;padding:.8rem .9rem;border:1.5px solid var(--line);
    border-radius:var(--radius-sm);background:#fff;color:var(--ink);transition:.15s;width:100%;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,128,237,.15)}
.field textarea{resize:vertical}
.field.has-error input,.field.has-error textarea{border-color:#e03131}
.err{color:#e03131;font-size:.82rem;margin-top:.35rem}
.form-note{font-size:.82rem;margin-top:1rem;text-align:center}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.alert{border-radius:var(--radius-sm);padding:1rem 1.2rem;margin-bottom:1.4rem}
.alert-success{background:#e6f7ec;border:1px solid #a7e3bd;color:#1c7a3e}
.alert-error{background:#fdecec;border:1px solid #f2b8b8;color:#b02525}

.contact-info{display:grid;gap:1.2rem}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;box-shadow:var(--shadow-sm)}
.contact-card h3{color:var(--navy);margin-bottom:1.1rem}
.contact-card.tip{background:var(--bg-soft)}
.contact-lines{list-style:none;display:grid;gap:1rem;margin-bottom:1.3rem}
.contact-lines li{display:flex;gap:.9rem;align-items:flex-start}
.contact-lines li span{font-size:1.1rem;color:var(--blue);width:24px;flex:none;text-align:center}
.contact-lines small{display:block;color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.05em}
.contact-lines a,.contact-lines div{color:var(--navy);font-weight:500}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-900);color:#c7d3e0;padding-top:3.5rem}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:2rem;padding-bottom:2.5rem}
.brand-footer{color:#fff;margin-bottom:1rem}
.brand-footer .brand-mark{color:var(--accent)}
.footer-desc{font-size:.9rem;color:#9fb0c5}
.footer-col h4{color:#fff;font-family:var(--font-head);font-size:1rem;margin-bottom:1rem}
.footer-col ul{list-style:none;display:grid;gap:.6rem}
.footer-col a{color:#a9bace;font-size:.92rem}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:.6rem;align-items:center;font-size:.92rem}
.footer-social{display:flex;gap:.6rem;margin-top:1rem;flex-wrap:wrap}
.footer-social a.soc{display:inline-flex;align-items:center;gap:.45rem;background:rgba(255,255,255,.07);padding:.45rem .85rem;border-radius:999px;font-size:.82rem;color:#fff;transition:.2s ease}
.footer-social a.soc svg{flex:none}
.footer-social a.soc:hover{background:rgba(255,255,255,.16);color:#fff}
.footer-social a.soc-wa{background:#25d366;color:#04361a;font-weight:700}
.footer-social a.soc-wa:hover{background:#1fbe5a;color:#04361a}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08)}
.footer-bottom-inner{display:flex;justify-content:space-between;gap:1rem;padding:1.4rem 24px;flex-wrap:wrap}
.footer-bottom p{font-size:.84rem;color:#7f92a8;margin:0}

/* ---------- Back to top ---------- */
.to-top{
    position:fixed;right:20px;bottom:84px;width:46px;height:46px;border-radius:50%;
    background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;
    font-size:1.2rem;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.25s;z-index:44;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--accent);color:#fff}

/* Bouton WhatsApp flottant */
.wa-float{
    position:fixed;right:20px;bottom:20px;z-index:45;
    display:inline-flex;align-items:center;gap:.55rem;
    background:#25d366;color:#04361a;font-weight:700;
    padding:.7rem 1.1rem;border-radius:999px;
    box-shadow:0 8px 24px rgba(0,0,0,.28);transition:.2s ease;
}
.wa-float svg{flex:none}
.wa-float:hover{background:#1fbe5a;color:#04361a;transform:translateY(-2px)}
.wa-float-label{white-space:nowrap;font-size:.95rem}
@media (max-width:640px){
    .wa-float{padding:.7rem;border-radius:50%}
    .wa-float-label{display:none}
}

/* ---------- Reveal animation ---------- */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
[data-reveal].in{opacity:1;transform:none}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:960px){
    .hero-inner{grid-template-columns:1fr;gap:2rem}
    .hero-visual{order:-1}
    .blueprint-card{max-width:340px}
    .hero-photo{max-width:100%}
    .why-grid,.about-grid,.contact-grid{grid-template-columns:1fr}
    .about-side{position:static}
    .cards,.steps,.gallery{grid-template-columns:1fr 1fr}
    .stats-grid{grid-template-columns:1fr 1fr}
    .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
    .nav-toggle{display:flex}
    .site-nav{
        position:absolute;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
        flex-direction:column;align-items:stretch;gap:0;padding:.5rem 24px 1rem;
        display:none;box-shadow:var(--shadow);
    }
    .site-nav.open{display:flex}
    .site-nav a{padding:.8rem 0;border-bottom:1px solid var(--line)}
    .site-nav a.btn{margin-top:.6rem;border-bottom:0}
    .cards,.steps,.gallery,.stats-grid,.values,.footer-grid,.field-row{grid-template-columns:1fr}
    .service-row,.service-row.reverse{grid-template-columns:1fr;text-align:center}
    .service-row.reverse .service-media{order:0}
    .service-media{margin:0 auto}
    .tag-list{justify-content:center}
    .why-visual{grid-template-columns:1fr 1fr}
    .cta-inner{flex-direction:column;text-align:center;align-items:center}
    .section{padding:3.5rem 0}
}