:root{--blue:#1F5C97;--blue-d:#143E66;--ink:#15181D;--body:#3a4250;--muted:#6b7280;--line:#e6e9ee;--surface:#f5f7f9;--radius:14px;--cw:1180px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--body);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--cw);margin:0 auto;padding:0 24px}
h1,h2,h3{color:var(--ink);letter-spacing:-.01em;line-height:1.2}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.site-brand{font-weight:800;font-size:1.15rem;color:var(--ink)}
.site-nav{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.site-nav a{color:var(--ink);font-weight:600;font-size:.94rem}
.site-nav a:hover{color:var(--blue)}
.site-nav__cta{background:var(--blue);color:#fff!important;padding:.55rem 1.05rem;border-radius:8px}
.site-nav__cta:hover{background:var(--blue-d)}

/* hero */
.page-hero{padding:60px 0 30px}
.page-hero__kicker{color:var(--blue);font-weight:700;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase}
.page-hero__title{font-size:2.6rem;font-weight:800;margin:.35em 0 .25em}
.page-hero__sub{font-size:1.15rem;color:var(--muted);max-width:62ch;margin:0}

/* category filter */
.cat-filter{display:flex;gap:10px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.cat-filter__chip{display:inline-block;padding:.45rem 1rem;border:1px solid var(--line);border-radius:50px;font-weight:600;font-size:.9rem;color:var(--ink);background:#fff}
.cat-filter__chip:hover{border-color:var(--c,var(--blue));color:var(--c,var(--blue))}
.cat-filter__chip.is-active{background:var(--c,var(--blue));border-color:var(--c,var(--blue));color:#fff}

/* card grid */
.blog-list{padding:24px 0 64px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.blog-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .2s,box-shadow .2s,border-color .2s}
.blog-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(20,40,70,.10);border-color:#d4dae2}
.blog-card__img{aspect-ratio:3/2;background:var(--surface)}
.blog-card__img img{width:100%;height:100%;object-fit:cover}
.blog-card__img[data-empty="1"]{background:linear-gradient(120deg,#eef2f6,#e3e9f0)}
.blog-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.blog-card__meta{display:flex;align-items:center;gap:12px}
.blog-card__cat{font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--c,var(--blue));background:color-mix(in srgb,var(--c,var(--blue)) 12%,#fff);padding:.25rem .6rem;border-radius:50px}
.blog-card__date{font-size:.82rem;color:var(--muted)}
.blog-card__title{font-size:1.2rem;font-weight:800;margin:0;line-height:1.3}
.blog-card__excerpt{font-size:.95rem;color:var(--muted);margin:0;flex:1}
.blog-card__link{font-size:.9rem;font-weight:700;color:var(--blue)}
.empty{color:var(--muted);padding:30px 0}
.pagination{margin-top:36px}
.pagination .page-numbers{padding:.5rem .85rem;border:1px solid var(--line);border-radius:8px;margin-right:6px;color:var(--ink)}
.pagination .current{background:var(--blue);color:#fff;border-color:var(--blue)}

/* single */
.post-hero{background:var(--surface);border-bottom:1px solid var(--line);padding:40px 0 44px}
.post-hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.post-hero__back{font-weight:600;font-size:.9rem;color:var(--blue)}
.post-hero__text .blog-card__cat{display:inline-block;margin:14px 0 10px}
.post-hero__title{font-size:2.4rem;font-weight:800;margin:.1em 0 .35em}
.post-hero__excerpt{font-size:1.12rem;color:var(--body);margin:0 0 14px}
.post-hero__date{font-size:.88rem;color:var(--muted)}
.post-hero__media{margin:0}
.post-hero__img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:18px}
.post-body{display:grid;grid-template-columns:260px 1fr;gap:48px;padding:48px 24px 70px}
.post-aside{align-self:start;position:sticky;top:100px;display:flex;flex-direction:column;gap:22px}
.post-toc{border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.post-toc__title{font-weight:800;color:var(--ink);margin:0 0 10px;font-size:.95rem}
.post-toc__links{display:flex;flex-direction:column;gap:8px}
.post-toc__links a{color:var(--muted);font-size:.9rem;line-height:1.35}
.post-toc__links a.lvl-3{padding-left:12px;font-size:.85rem}
.post-toc__links a:hover,.post-toc__links a.active{color:var(--blue);font-weight:600}
.post-author{display:flex;gap:12px;align-items:center}
.post-author__avatar{width:46px;height:46px;border-radius:50%;background:color-mix(in srgb,var(--blue) 16%,#fff);flex:0 0 auto}
.post-author__name{margin:0;font-weight:700;color:var(--ink);font-size:.92rem}
.post-author__role{margin:0;color:var(--muted);font-size:.82rem}
.post-share__title{font-weight:800;color:var(--ink);font-size:.95rem;margin:0 0 8px}
.post-share__btns{display:flex;flex-wrap:wrap;gap:8px}
.share-btn{display:inline-block;border:1px solid var(--line);background:#fff;color:var(--ink);font-family:inherit;font-weight:600;font-size:.85rem;padding:.45rem .8rem;border-radius:8px;cursor:pointer}
.share-btn:hover{border-color:var(--blue);color:var(--blue)}

/* content */
.entry-content{font-size:1.06rem;color:var(--body);max-width:74ch}
.entry-content h2{font-size:1.6rem;font-weight:800;margin:1.7em 0 .4em;scroll-margin-top:100px}
.entry-content h3{font-size:1.22rem;font-weight:800;margin:1.3em 0 .3em;scroll-margin-top:100px}
.entry-content p{margin:0 0 1.1em}
.entry-content ul{margin:0 0 1.2em;padding-left:1.2em}
.entry-content li{margin:.3em 0}
.entry-content strong{color:var(--ink)}
.entry-content a{color:var(--blue);text-decoration:underline}
.entry-content img{border-radius:12px;margin:1.2em 0}
.entry-content table{border-collapse:collapse;width:100%;margin:1.2em 0;font-size:.98rem}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:.6rem .8rem;text-align:left}
.entry-content th{background:var(--surface)}
.tpl-cta{background:color-mix(in srgb,var(--blue) 8%,#fff);border:1px solid color-mix(in srgb,var(--blue) 20%,#fff);border-left:4px solid var(--blue);padding:1.4rem 1.6rem;border-radius:12px;margin:2em 0}
.tpl-cta p{margin:.5em 0 0}
.tpl-btn{display:inline-block;background:var(--blue);color:#fff!important;text-decoration:none!important;padding:.7rem 1.3rem;border-radius:8px;font-weight:700;margin-top:.8rem}
.tpl-btn:hover{background:var(--blue-d)}

/* footer */
.site-footer{background:var(--ink);color:#c8d2dc;margin-top:40px;padding:54px 0 30px}
.site-footer__inner{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap}
.site-footer__brand strong{color:#fff;font-size:1.1rem}
.site-footer__brand p{max-width:38ch;font-size:.94rem;margin:.5em 0 0}
.site-footer__links{display:flex;flex-direction:column;gap:.55rem}
.site-footer__links a{color:#c8d2dc;font-size:.94rem}
.site-footer__links a:hover{color:#fff}
.site-footer__copy{margin-top:34px;font-size:.84rem;color:#8190a0}

@media(max-width:980px){.card-grid{grid-template-columns:1fr 1fr}.post-body{grid-template-columns:1fr}.post-aside{position:static;flex-direction:row;flex-wrap:wrap;gap:18px}.post-toc{flex:1 1 100%}.post-hero__inner{grid-template-columns:1fr}}
@media(max-width:640px){.card-grid{grid-template-columns:1fr}.page-hero__title{font-size:2rem}.post-hero__title{font-size:1.85rem}.site-nav{display:none}}

/* devis form section (on every page) */
.devis-section{background:var(--surface);border-top:1px solid var(--line);padding:56px 0}
.devis-section__inner{display:grid;grid-template-columns:1fr 1.1fr;gap:44px;align-items:center}
.devis-section__title{font-size:1.9rem;font-weight:800;margin:0 0 .4em}
.devis-section__sub{color:var(--muted);font-size:1.06rem;margin:0;max-width:44ch}
.devis-form p{margin:0 0 12px}
.devis-form input,.devis-form textarea{width:100%;font-family:inherit;font-size:1rem;padding:.8rem .9rem;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink)}
.devis-form input:focus,.devis-form textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 15%,transparent)}
.devis-form textarea{min-height:120px;resize:vertical}
.devis-form .wpcf7-submit{width:auto;background:var(--blue);color:#fff;font-weight:700;border:none;border-radius:8px;padding:.85rem 1.6rem;cursor:pointer;font-size:1rem}
.devis-form .wpcf7-submit:hover{background:var(--blue-d)}
.wpcf7-response-output{border-radius:8px;margin:14px 0 0!important;font-size:.92rem}
.wpcf7-not-valid-tip{font-size:.82rem}
@media(max-width:860px){.devis-section__inner{grid-template-columns:1fr;gap:24px}}