/* ===== IDF Atelier — artisanat, béton + acier + ambre, parallaxe discrète ===== */
:root{ --idf-p:var(--wp--preset--color--primary,#2b2a27); --idf-s:var(--wp--preset--color--secondary,#3f6080); --idf-a:var(--wp--preset--color--accent,#f0a018); --idf-ink:var(--wp--preset--color--contrast,#1c1b18); }
.idf-rv{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.idf-rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){ .idf-rv{opacity:1;transform:none;transition:none} .idf-parallax{transform:none !important} }

.idf-hero{position:relative;overflow:hidden;isolation:isolate;min-height:84vh;display:flex;align-items:center;padding:120px 24px 90px;background:#eceae4}
.idf-hero .idf-parallax{position:absolute;z-index:1;will-change:transform;pointer-events:none}
.idf-hero .ph-blueprint{inset:0;position:absolute;z-index:2;background-image:linear-gradient(#cfcabd 1px,transparent 1px),linear-gradient(90deg,#cfcabd 1px,transparent 1px);background-size:34px 34px;opacity:.55;-webkit-mask-image:linear-gradient(180deg,#000,transparent 82%);mask-image:linear-gradient(180deg,#000,transparent 82%)}
.idf-hero .ph-bigword{position:absolute;z-index:3;font-size:26vw;font-weight:800;letter-spacing:-.04em;color:#e0ddd3;top:46vh;right:-2vw;line-height:.8;pointer-events:none}
.idf-hero .ph-stripe{position:absolute;z-index:4;top:150px;left:-50px;width:380px;height:42px;background:repeating-linear-gradient(45deg,var(--idf-a) 0 20px,var(--idf-ink) 20px 40px);transform:rotate(-6deg);opacity:.92;box-shadow:0 8px 20px rgba(0,0,0,.2)}
.idf-hero-inner{position:relative;z-index:5;max-width:1180px;margin:0 auto;width:100%}
.idf-eyebrow{display:inline-block;font:600 .74rem/1 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:.24em;text-transform:uppercase;color:var(--idf-s);margin:0 0 20px}
.idf-display{font-size:clamp(2.4rem,7vw,5rem);line-height:.98;letter-spacing:-.03em;margin:0 0 20px;max-width:15ch;font-weight:800;color:var(--idf-ink)}
.idf-display em{font-style:normal;color:#b06a12}
.idf-lede{font-size:clamp(1.05rem,2.2vw,1.3rem);line-height:1.55;max-width:46ch;margin:0 0 30px;color:#4a473f}
.idf-cta{display:flex;gap:14px;flex-wrap:wrap}
.idf-btn{display:inline-flex;align-items:center;gap:9px;border:0;border-radius:4px;padding:15px 26px;font-size:1rem;font-weight:700;cursor:pointer;text-decoration:none;transition:transform .15s,box-shadow .15s}
.idf-btn:hover{transform:translateY(-2px)}
.idf-btn1{color:var(--idf-a);background:var(--idf-ink);box-shadow:0 10px 26px rgba(0,0,0,.22)}
.idf-btn2{color:var(--idf-ink);background:transparent;box-shadow:inset 0 0 0 2px var(--idf-ink)}
.idf-section{max-width:1180px;margin:0 auto;padding:64px 24px}
.idf-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.idf-card{background:#fff;box-shadow:0 10px 24px rgba(0,0,0,.1),inset 0 0 0 1px #d9d5ca;border-radius:4px;padding:22px}
.idf-card h3{margin:.2rem 0 .4rem;font-size:1.1rem}
.idf-card p{margin:0;color:#4a473f;font-size:.92rem;line-height:1.5}
@media(max-width:820px){.idf-cards{grid-template-columns:1fr}.idf-hero{min-height:auto}}