/* =========================================================
   2KY GROUPE — Gros œuvre & béton armé
   style.css
   ========================================================= */

:root{
  --bg:        #0c0d10;
  --bg-2:      #111317;
  --bg-3:      #16181d;
  --line:      rgba(255,255,255,.09);
  --line-2:    rgba(255,255,255,.16);
  --txt:       #eef0f3;
  --txt-2:     #9aa1ad;
  --txt-3:     #6c737f;
  --accent:    #f5b32b;
  --accent-2:  #ffcf5c;
  --accent-dk: #c9891a;
  --radius:    14px;
  --radius-sm: 10px;
  --max:       1240px;
  --pad:       24px;
  --ease:      cubic-bezier(.4,0,.2,1);
  --shadow:    0 24px 60px -20px rgba(0,0,0,.7);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:'Manrope',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,h5{margin:0;line-height:1.15;font-weight:800;letter-spacing:-.02em}
p{margin:0}
::selection{background:var(--accent);color:#111}

.container{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--pad)}

/* ---------- utilitaires ---------- */
.eyebrow{
  font-size:.75rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:'';width:26px;height:2px;background:var(--accent);flex:none}
.accent{color:var(--accent)}
.ico{width:15px;height:15px;fill:currentColor;flex:none}

/* =========================================================
   BOUTONS
   ========================================================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-sm);
  font-weight:700;font-size:.94rem;letter-spacing:.01em;
  transition:all .25s var(--ease);white-space:nowrap;cursor:pointer;
  border:1px solid transparent;
}
.btn--primary{background:var(--accent);color:#141414;box-shadow:0 10px 30px -12px rgba(245,179,43,.6)}
.btn--primary:hover{background:var(--accent-2);transform:translateY(-2px);box-shadow:0 16px 36px -12px rgba(245,179,43,.7)}
.btn--ghost{border-color:var(--line-2);color:var(--txt);backdrop-filter:blur(6px)}
.btn--ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn--sm{padding:9px 18px;font-size:.85rem}
.btn--lg{padding:16px 34px;font-size:1rem}
.btn--full{width:100%}

/* =========================================================
   BARRE SUPÉRIEURE
   ========================================================= */
.topbar{
  background:#08090b;border-bottom:1px solid var(--line);
  font-size:.82rem;color:var(--txt-2);position:relative;z-index:60;
}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:44px;flex-wrap:wrap}
.topbar__contact{display:flex;gap:22px;flex-wrap:wrap}
.topbar__link{display:inline-flex;align-items:center;gap:7px;transition:color .2s}
.topbar__link:hover{color:var(--accent)}
.topbar__right{display:flex;align-items:center;gap:16px}
.topbar__badge{color:var(--txt-3);letter-spacing:.04em}

.lang{display:flex;gap:2px;background:rgba(255,255,255,.05);padding:3px;border-radius:8px}
.lang__btn{
  padding:4px 11px;border-radius:6px;font-size:.75rem;font-weight:700;letter-spacing:.06em;
  color:var(--txt-3);transition:all .2s var(--ease);
}
.lang__btn:hover{color:var(--txt)}
.lang__btn.is-active{background:var(--accent);color:#141414}

/* =========================================================
   HEADER
   ========================================================= */
.header{
  position:sticky;top:0;z-index:50;
  background:rgba(12,13,16,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:all .3s var(--ease);
}
.header.is-stuck{background:rgba(9,10,12,.92);border-bottom-color:var(--line)}
.header__inner{display:flex;align-items:center;justify-content:space-between;min-height:96px;gap:20px}
.header.is-stuck .header__inner{min-height:82px}

.logo{display:inline-flex;align-items:center;gap:11px}
/* Logo 2KY GROUPE — le fichier a un fond noir : « screen » le rend
   transparent sur nos fonds sombres, sans retouche de l'image. */
.logo__img{
  height:74px;width:auto;flex:none;
  mix-blend-mode:screen;
  /* contraste/saturation seulement : garde le fond parfaitement noir,
     donc invisible avec le mode « screen » */
  filter:contrast(1.06) saturate(1.1);
  transition:height .3s var(--ease),transform .3s var(--ease);
}
.logo:hover .logo__img{transform:scale(1.04)}
.logo__img--lg{height:120px}
.header.is-stuck .logo__img{height:62px}

.nav{display:flex;align-items:center;gap:6px}
.nav__link{
  padding:9px 14px;border-radius:8px;font-size:.93rem;font-weight:600;color:var(--txt-2);
  transition:all .2s var(--ease);position:relative;
}
.nav__link:hover,.nav__link.is-active{color:var(--txt);background:rgba(255,255,255,.05)}
.nav__cta{margin-left:12px}

.burger{display:none;width:42px;height:42px;border-radius:9px;border:1px solid var(--line);padding:11px}
.burger span{display:block;height:2px;background:var(--txt);border-radius:2px;transition:all .3s var(--ease)}
.burger span+span{margin-top:5px}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* =========================================================
   HERO
   ========================================================= */
.hero{position:relative;overflow:hidden;padding:120px 0 90px;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-1;background:
    radial-gradient(900px 500px at 78% 8%, rgba(245,179,43,.12), transparent 65%),
    linear-gradient(180deg,#0e1014 0%, #0c0d10 55%, #0a0b0e 100%);
}
.hero__skyline{position:absolute;bottom:0;left:0;width:100%;height:78%;opacity:.85}
.hero__glow{
  position:absolute;left:-10%;bottom:-40%;width:60%;height:80%;
  background:radial-gradient(circle,rgba(245,179,43,.10),transparent 70%);filter:blur(30px);
}
.hero__bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,var(--bg) 100%);
}

.hero__inner{position:relative;max-width:900px}
.hero__title{
  font-size:clamp(2.4rem,6.2vw,4.6rem);letter-spacing:-.035em;margin-bottom:24px;
}
.hero__lead{font-size:clamp(1rem,1.6vw,1.19rem);color:var(--txt-2);max-width:620px;margin-bottom:38px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:70px}

.hero__stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.stat{background:rgba(255,255,255,.02);padding:24px 22px;backdrop-filter:blur(4px)}
.stat b{
  display:block;font-family:'Bebas Neue',sans-serif;font-size:2.5rem;line-height:1;
  color:var(--accent);letter-spacing:.01em;margin-bottom:6px;font-weight:400;
}
.stat span{font-size:.83rem;color:var(--txt-3);letter-spacing:.02em}

/* =========================================================
   MARQUEE
   ========================================================= */
.marquee{
  overflow:hidden;border-block:1px solid var(--line);background:#0a0b0e;
  padding:16px 0;
}
.marquee__track{
  display:flex;gap:34px;align-items:center;white-space:nowrap;width:max-content;
  animation:slide 32s linear infinite;
  font-family:'Bebas Neue',sans-serif;font-size:1.15rem;letter-spacing:.14em;color:var(--txt-3);
}
.marquee__track i{color:var(--accent);font-style:normal;font-size:.7rem}
@keyframes slide{to{transform:translateX(-50%)}}

/* =========================================================
   STRUCTURE DES SECTIONS
   ========================================================= */
.section{padding:100px 0;position:relative}
.section--alt{background:var(--bg-2);border-block:1px solid var(--line)}
.section__head{
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:end;margin-bottom:56px;
}
.section__title{font-size:clamp(1.75rem,3.4vw,2.7rem)}
.section__desc{color:var(--txt-2);font-size:1.02rem}
.section__desc+.section__desc{margin-top:16px}

.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}

/* =========================================================
   CARTES DE SERVICES
   ========================================================= */
.card{
  background:linear-gradient(160deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 28px;transition:all .35s var(--ease);position:relative;overflow:hidden;
}
.card::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--accent),transparent);
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);
}
.card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:var(--shadow)}
.card:hover::before{transform:scaleX(1)}
.card__ico{
  width:50px;height:50px;border-radius:12px;display:grid;place-items:center;margin-bottom:20px;
  background:rgba(245,179,43,.12);border:1px solid rgba(245,179,43,.22);
}
.card__ico svg{width:24px;height:24px;fill:var(--accent)}
.card h3{font-size:1.19rem;margin-bottom:11px}
.card p{color:var(--txt-2);font-size:.94rem}
.card__list{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}
.card__list li{
  font-size:.86rem;color:var(--txt-3);padding-left:18px;position:relative;line-height:2;
}
.card__list li::before{
  content:'';position:absolute;left:0;top:13px;width:6px;height:6px;
  background:var(--accent);border-radius:1px;transform:rotate(45deg);
}

/* =========================================================
   SPLIT (pourquoi nous / à propos)
   ========================================================= */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split--rev .split__media{order:2}
.split__media{position:relative}

.blueprint{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(150deg,#12151a,#0d0f13);padding:26px;overflow:hidden;
}
.blueprint__tag{
  position:absolute;bottom:18px;right:18px;
  font-family:'Bebas Neue',sans-serif;letter-spacing:.14em;font-size:1rem;
  color:var(--accent);background:rgba(245,179,43,.1);
  border:1px solid rgba(245,179,43,.25);padding:4px 12px;border-radius:6px;
}

.feats{margin-top:36px;display:grid;gap:26px}
.feat{display:flex;gap:18px}
.feat__n{
  font-family:'Bebas Neue',sans-serif;font-size:1.35rem;color:var(--accent);
  width:44px;height:44px;flex:none;display:grid;place-items:center;border-radius:10px;
  background:rgba(245,179,43,.1);border:1px solid rgba(245,179,43,.2);
}
.feat h4{font-size:1.03rem;margin-bottom:5px}
.feat p{color:var(--txt-2);font-size:.92rem}

/* =========================================================
   MÉTHODE
   ========================================================= */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
.step{
  padding:34px 26px 30px;border:1px solid var(--line);border-right:0;position:relative;
  background:rgba(255,255,255,.015);transition:background .3s var(--ease);
}
.step:last-child{border-right:1px solid var(--line)}
.step:first-child{border-radius:var(--radius) 0 0 var(--radius)}
.step:last-child{border-radius:0 var(--radius) var(--radius) 0}
.step:hover{background:rgba(245,179,43,.045)}
.step__n{
  display:grid;place-items:center;width:42px;height:42px;border-radius:50%;
  background:var(--accent);color:#141414;font-weight:800;margin-bottom:20px;
}
.step h4{font-size:1.05rem;margin-bottom:9px}
.step p{color:var(--txt-2);font-size:.9rem}
.step::after{
  content:'';position:absolute;top:55px;right:-7px;width:12px;height:12px;
  border-top:2px solid var(--accent);border-right:2px solid var(--accent);
  transform:rotate(45deg);background:var(--bg);
}
.step:last-child::after{display:none}

/* =========================================================
   PROJETS
   ========================================================= */
.project{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:var(--bg-3);transition:all .35s var(--ease);
}
.project:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:var(--shadow)}
.project__img{position:relative;aspect-ratio:4/3;overflow:hidden;display:grid;place-items:center}
.project__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.project:hover .project__img img{transform:scale(1.06)}
.project__img svg{width:82%;height:auto;transition:transform .6s var(--ease)}
.project:hover .project__img svg{transform:scale(1.05)}
.project__img--1{background:linear-gradient(150deg,#1b2028,#0f1216)}
.project__img--2{background:linear-gradient(150deg,#221d16,#111014)}
.project__img--3{background:linear-gradient(150deg,#181f26,#0e1114)}
.project__img--4{background:linear-gradient(150deg,#1d1a22,#101013)}
.project__img--5{background:linear-gradient(150deg,#16211f,#0d1213)}
.project__img--6{background:linear-gradient(150deg,#211b1b,#121011)}
.project__cat{
  position:absolute;top:14px;left:14px;font-size:.72rem;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;padding:5px 12px;border-radius:20px;
  background:rgba(10,10,12,.75);border:1px solid var(--line-2);color:var(--accent);
  backdrop-filter:blur(6px);
}
.project__body{padding:24px}
.project__body h3{font-size:1.1rem;margin-bottom:7px}
.project__meta{
  font-size:.78rem;color:var(--accent);letter-spacing:.06em;text-transform:uppercase;
  font-weight:700;margin-bottom:11px;
}
.project__body p:last-child{color:var(--txt-2);font-size:.91rem}

.projects__note{
  margin-top:32px;text-align:center;color:var(--txt-2);font-size:.95rem;
  border:1px dashed var(--line-2);border-radius:var(--radius);padding:20px 24px;
}

/* =========================================================
   CITATION + LABELS
   ========================================================= */
.quote{
  border:1px solid var(--line);border-radius:var(--radius);padding:36px 34px;
  background:linear-gradient(150deg,rgba(245,179,43,.07),rgba(255,255,255,.02));
  position:relative;
}
.quote__mark{width:44px;height:44px;fill:var(--accent);opacity:.5;margin-bottom:18px}
.quote blockquote{margin:0 0 22px;font-size:1.14rem;line-height:1.6;font-weight:600}
.quote footer{display:flex;flex-direction:column;padding-top:18px;border-top:1px solid var(--line)}
.quote footer strong{font-size:.96rem}
.quote footer span{font-size:.84rem;color:var(--txt-3)}

.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.badge{
  font-size:.8rem;font-weight:700;letter-spacing:.05em;padding:7px 15px;border-radius:8px;
  border:1px solid var(--line-2);color:var(--txt-2);background:rgba(255,255,255,.03);
}

/* =========================================================
   CONTACT
   ========================================================= */
.section--contact{background:
  radial-gradient(700px 400px at 90% 0%, rgba(245,179,43,.08), transparent 60%),var(--bg-2);
  border-top:1px solid var(--line);
}
.contact{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start}

.form{
  background:rgba(255,255,255,.025);border:1px solid var(--line);
  border-radius:var(--radius);padding:34px;display:grid;gap:20px;
}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px;position:relative}
.field label{font-size:.84rem;font-weight:700;color:var(--txt-2);letter-spacing:.03em}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(0,0,0,.35);border:1px solid var(--line);color:var(--txt);
  font:inherit;font-size:.94rem;transition:all .22s var(--ease);
}
.field textarea{resize:vertical;min-height:120px}
.field select{appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%239aa1ad'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;background-size:20px;padding-right:40px;
}
.field select option{background:#14161a;color:var(--txt)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(245,179,43,.14);
}
.field__err{display:none;font-size:.78rem;color:#ff7a6b}
.field.has-err input,.field.has-err textarea{border-color:#ff7a6b}
.field.has-err .field__err{display:block}

.check{display:flex;gap:11px;align-items:flex-start;font-size:.86rem;color:var(--txt-2);cursor:pointer}
.check input{
  appearance:none;width:19px;height:19px;flex:none;margin-top:2px;border-radius:5px;
  border:1px solid var(--line-2);background:rgba(0,0,0,.3);cursor:pointer;transition:all .2s;
}
.check input:checked{background:var(--accent);border-color:var(--accent)}
.check input:checked::after{content:'✓';display:grid;place-items:center;color:#141414;font-size:.8rem;font-weight:800;height:100%}
.form__note{font-size:.79rem;color:var(--txt-3);text-align:center}
.form__ok{
  font-size:.88rem;color:#7ee0a0;background:rgba(126,224,160,.09);
  border:1px solid rgba(126,224,160,.25);border-radius:var(--radius-sm);padding:13px 16px;
}
.form__fail{
  font-size:.88rem;color:#f0917f;background:rgba(240,145,127,.09);
  border:1px solid rgba(240,145,127,.25);border-radius:var(--radius-sm);padding:13px 16px;
}
/* Piège à robots : hors écran, jamais visible ni focusable au clavier */
.form__hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form button[type="submit"]:disabled{opacity:.6;cursor:wait}

.info{display:grid;gap:14px}
.info__card{
  display:flex;gap:16px;align-items:flex-start;padding:22px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(255,255,255,.025);transition:all .28s var(--ease);
}
a.info__card:hover{border-color:var(--accent);transform:translateX(4px)}
.info__ico{
  width:42px;height:42px;flex:none;border-radius:11px;display:grid;place-items:center;
  background:rgba(245,179,43,.12);border:1px solid rgba(245,179,43,.2);
}
.info__ico svg{width:20px;height:20px;fill:var(--accent)}
.info__card b{display:block;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--txt-3);margin-bottom:5px}
.info__card p{font-size:.94rem;font-weight:600}
.info__card--note p{font-weight:500;font-size:.87rem;color:var(--txt-2);line-height:1.6}
.info__map{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(150deg,#12151a,#0d0f13);
}
.info__mapTag{
  position:absolute;bottom:14px;left:14px;font-size:.78rem;font-weight:700;
  color:var(--accent);background:rgba(10,10,12,.8);border:1px solid var(--line-2);
  padding:5px 12px;border-radius:20px;
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer{background:#08090b;border-top:1px solid var(--line);padding-top:70px}
.footer__top{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:50px;
}
.footer__brand p{color:var(--txt-3);font-size:.92rem;margin:20px 0 22px;max-width:320px}
.footer__col h5{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--txt);margin-bottom:20px}
.footer__col a,.footer__col p{
  display:block;color:var(--txt-3);font-size:.92rem;padding:5px 0;transition:color .2s;
}
.footer__col a:hover{color:var(--accent)}
.footer__bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 24px;border-top:1px solid var(--line);
  font-size:.84rem;color:var(--txt-3);
}
.footer__legal{display:flex;gap:22px}
.footer__legal a:hover{color:var(--accent)}

/* =========================================================
   PAGES LÉGALES (mentions légales / confidentialité)
   ========================================================= */
.legal{padding:70px 0 90px}
.legal__wrap{max-width:820px;margin-inline:auto}
.legal h1{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:14px}
.legal__updated{color:var(--txt-3);font-size:.85rem;margin-bottom:44px}
.legal h2{
  font-size:1.15rem;margin:40px 0 14px;padding-top:26px;
  border-top:1px solid var(--line);
}
.legal h2:first-of-type{border-top:0;padding-top:0}
.legal p,.legal li{color:var(--txt-2);font-size:.95rem}
.legal p+p{margin-top:12px}
.legal ul{margin-top:12px;display:grid;gap:8px}
.legal li{padding-left:18px;position:relative}
.legal li::before{
  content:'';position:absolute;left:0;top:12px;width:6px;height:6px;
  background:var(--accent);border-radius:1px;transform:rotate(45deg);
}
.legal a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
/* champs à renseigner par l'entreprise */
.legal mark{
  background:rgba(245,179,43,.16);color:var(--accent-2);
  border:1px dashed rgba(245,179,43,.45);border-radius:5px;
  padding:1px 7px;font-size:.85em;font-weight:700;
}
.legal strong{color:var(--txt)}
.legal__box{
  margin-top:44px;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;background:rgba(255,255,255,.025);
}
.legal__box h2{border-top:0;padding-top:0;margin-top:0}
.legal__back{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:34px;
  font-size:.9rem;font-weight:700;color:var(--txt-2);
}
.legal__back:hover{color:var(--accent)}

/* =========================================================
   RETOUR EN HAUT
   ========================================================= */
.totop{
  position:fixed;right:24px;bottom:24px;z-index:40;
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:var(--accent);box-shadow:0 12px 30px -10px rgba(245,179,43,.6);
  opacity:0;visibility:hidden;transform:translateY(12px);transition:all .3s var(--ease);
}
.totop svg{width:20px;height:20px;fill:#141414}
.totop.is-on{opacity:1;visibility:visible;transform:none}
.totop:hover{background:var(--accent-2)}

/* =========================================================
   ANIMATION D'APPARITION
   ========================================================= */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1080px){
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .footer__top{grid-template-columns:1fr 1fr;gap:36px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step,.step:first-child,.step:last-child{border:1px solid var(--line);border-radius:var(--radius)}
  .steps{gap:14px}
  .step::after{display:none}
}

@media (max-width:900px){
  .section{padding:76px 0}
  .section__head{grid-template-columns:1fr;gap:18px;align-items:start;margin-bottom:38px}
  .split,.contact{grid-template-columns:1fr;gap:38px}
  .split--rev .split__media{order:0}
  .hero{padding:80px 0 70px}
  .hero__stats{grid-template-columns:repeat(2,1fr)}
  .hero__actions{margin-bottom:48px}

  /* menu mobile */
  .burger{display:block}
  .nav{
    position:fixed;inset:0 0 0 auto;width:min(320px,84vw);
    flex-direction:column;align-items:stretch;gap:4px;
    background:#0d0f12;border-left:1px solid var(--line);
    padding:96px 22px 32px;transform:translateX(105%);
    transition:transform .35s var(--ease);z-index:45;
    box-shadow:-30px 0 60px -20px rgba(0,0,0,.8);
  }
  .nav.is-open{transform:none}
  .nav__link{padding:14px 12px;font-size:1rem;border-bottom:1px solid var(--line);border-radius:0}
  .nav__cta{margin:20px 0 0;justify-content:center;padding:14px}
  body.nav-open{overflow:hidden}
}

@media (max-width:640px){
  :root{--pad:18px}
  .logo__img,.header.is-stuck .logo__img{height:54px}
  .logo__img--lg{height:92px}
  .header__inner,.header.is-stuck .header__inner{min-height:74px}
  .legal{padding:48px 0 70px}
  .topbar__inner{justify-content:center;padding-block:9px}
  .topbar__contact{gap:14px;font-size:.78rem;justify-content:center}
  .topbar__badge{display:none}
  .grid--3,.steps{grid-template-columns:1fr}
  .form__row{grid-template-columns:1fr}
  .form{padding:24px 20px}
  .hero__stats{grid-template-columns:1fr 1fr}
  .stat{padding:18px 16px}
  .stat b{font-size:2rem}
  .footer__top{grid-template-columns:1fr;gap:32px}
  .footer__bottom{flex-direction:column;text-align:center;align-items:center}
  .hero__actions .btn{width:100%}
  .quote{padding:26px 22px}
}