/* ===== Robin Sanitär — bold red / dark ===== */
:root{
  --bg:#fbfbfc; --dark:#1a1a1f; --dark2:#222229; --soft:#f4f4f6; --line:#e6e6ea;
  --ink:#1a1a1f; --mut:#6a6a76; --red:#e23636; --red-d:#c12525; --ink2:#0f0f13;
  --rad:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 26px}
h1,h2,h3,h4{font-family:'Archivo',sans-serif;font-weight:800;line-height:1.08;letter-spacing:-.02em}
.kick{font-family:'Archivo';font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;color:var(--red);display:inline-flex;align-items:center;gap:8px}
.kick::before{content:"";width:24px;height:3px;background:var(--red)}

/* emergency strip */
.emerg{background:var(--red);color:#fff;font-weight:600;font-size:.88rem}
.emerg .wrap{display:flex;justify-content:space-between;align-items:center;padding:8px 26px}
.emerg i{vertical-align:-2px;margin-right:6px}
.emerg a{color:#fff;font-weight:800}

/* nav */
.nav{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;padding:15px 26px}
.brand{display:flex;align-items:center;gap:11px;font-family:'Archivo';font-weight:800;font-size:1.4rem;text-transform:uppercase}
.brand .d{width:44px;height:44px;border-radius:10px;background:var(--red);color:#fff;display:grid;place-items:center;font-size:1.4rem}
.menu{display:flex;gap:4px}
.menu a{padding:10px 16px;border-radius:8px;color:var(--mut);font-weight:600;font-size:.93rem;transition:.2s}
.menu a:hover{color:var(--ink);background:var(--soft)}
.menu a.on{color:var(--red-d);background:#fbe9e9}
.nx{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--red);color:#fff;font-family:'Archivo';font-weight:700;text-transform:uppercase;letter-spacing:.03em;font-size:.86rem;padding:13px 24px;border-radius:8px;border:none;cursor:pointer;transition:.25s}
.btn:hover{background:var(--red-d);transform:translateY(-2px)}
.btn.dark{background:var(--dark)}.btn.dark:hover{background:#000}
.btn.out{background:transparent;color:var(--ink);border:2px solid var(--line)}
.btn.out:hover{border-color:var(--red);color:var(--red-d);background:transparent}
.btn i{font-size:1.1rem}
.burger{display:none;background:none;border:none;font-size:1.7rem;color:var(--ink);cursor:pointer}

.sheet{position:fixed;inset:0 0 0 auto;width:270px;background:#fff;z-index:90;transform:translateX(100%);transition:.3s;padding:24px;display:flex;flex-direction:column;gap:6px;box-shadow:-20px 0 50px rgba(0,0,0,.12)}
.sheet.open{transform:none}
.sheet a{padding:13px 16px;border-radius:8px;font-weight:600;color:var(--ink)}
.sheet a:hover{background:var(--soft)}
.sheet .cl{align-self:flex-end;font-size:1.7rem;background:none;border:none;cursor:pointer;margin-bottom:8px}
.veil{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:85;display:none}.veil.show{display:block}

/* hero */
.hero{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:stretch;min-height:540px}
.hero .txt{padding:80px 56px;display:flex;flex-direction:column;justify-content:center}
.hero h1{font-size:clamp(2.6rem,5.4vw,4.4rem);text-transform:uppercase;margin:18px 0 20px}
.hero h1 span{color:var(--red)}
.hero p{color:#b6b6c0;font-size:1.1rem;max-width:470px;margin-bottom:30px}
.hero .acts{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.hero .micro{display:flex;gap:24px;flex-wrap:wrap;color:#cfcfd8;font-size:.9rem;font-weight:600}
.hero .micro div{display:flex;align-items:center;gap:8px}.hero .micro i{color:var(--red);font-size:1.2rem}
.hero .pic{position:relative}
.hero .pic img{width:100%;height:100%;object-fit:cover}
.hero .pic::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--dark),transparent 22%)}

/* services strip */
.sbar{background:var(--ink2);color:#fff}
.sbar .row{display:grid;grid-template-columns:repeat(4,1fr)}
.sbar .it{padding:26px;border-right:1px solid #2a2a32;display:flex;gap:14px;align-items:center}
.sbar .it:last-child{border-right:none}
.sbar .it i{font-size:1.8rem;color:var(--red)}
.sbar .it b{font-family:'Archivo';display:block;font-size:1rem;text-transform:uppercase}
.sbar .it span{font-size:.82rem;color:#9a9aa6}

/* sections */
.sec{padding:90px 0}
.sec.dark{background:var(--dark);color:#fff}
.sec.dark .shead p{color:#a8a8b2}
.shead{max-width:640px;margin-bottom:50px}
.shead.ctr{margin:0 auto 50px;text-align:center}
.shead h2{font-size:clamp(1.9rem,3.8vw,2.9rem);text-transform:uppercase;margin:13px 0 12px}
.shead p{color:var(--mut)}

/* service cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sc{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:30px;transition:.25s;border-top:3px solid transparent}
.sc:hover{border-top-color:var(--red);transform:translateY(-5px);box-shadow:0 22px 44px -22px rgba(0,0,0,.22)}
.sc .ic{width:58px;height:58px;border-radius:12px;background:#fbe9e9;color:var(--red);display:grid;place-items:center;font-size:1.7rem;margin-bottom:18px}
.sc h3{font-size:1.3rem;text-transform:uppercase;margin-bottom:9px}
.sc p{color:var(--mut);font-size:.93rem}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split img{width:100%;border-radius:var(--rad);aspect-ratio:4/3;object-fit:cover}
.split .li{display:flex;gap:14px;margin-bottom:18px}
.split .li .ck{width:36px;height:36px;border-radius:8px;background:var(--red);color:#fff;display:grid;place-items:center;flex:none;font-size:1.1rem}
.split .li h4{font-family:'Archivo';font-size:1.1rem;margin-bottom:3px}
.split .li p{color:var(--mut);font-size:.92rem}

/* stat blocks dark */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#2a2a32;border:1px solid #2a2a32;border-radius:var(--rad);overflow:hidden}
.stats .s{background:var(--dark2);padding:32px 26px}
.stats .s b{font-family:'Archivo';font-size:2.8rem;color:var(--red);display:block;line-height:1}
.stats .s span{color:#a8a8b2;font-size:.86rem;text-transform:uppercase;letter-spacing:.04em}

/* accordion */
.acc{max-width:840px;margin:0 auto}
.ai{border-bottom:1px solid var(--line)}
.ai .q{padding:22px 4px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-family:'Archivo';font-weight:700;font-size:1.1rem}
.ai .q i{color:var(--red);transition:.3s;font-size:1.5rem}
.ai .a{max-height:0;overflow:hidden;transition:.35s;color:var(--mut)}
.ai .a p{padding:0 4px 22px}
.ai.open .q i{transform:rotate(45deg)}
.ai.open .a{max-height:240px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.sp{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:28px;position:relative}
.sp .n{font-family:'Archivo';font-weight:800;font-size:2.6rem;color:#f1d4d4;line-height:1;margin-bottom:10px}
.sp h4{font-family:'Archivo';text-transform:uppercase;font-size:1.05rem;margin-bottom:8px}
.sp p{color:var(--mut);font-size:.9rem}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pl{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:32px}
.pl.hot{background:var(--dark);color:#fff;border-color:var(--dark)}
.pl.hot .mut,.pl.hot li{color:#b6b6c0}
.pl h3{font-size:1.35rem;text-transform:uppercase;margin-bottom:6px}
.pl .pr{font-family:'Archivo';font-size:2.5rem;color:var(--red);margin:8px 0 14px}
.pl .pr small{font-size:.85rem;color:var(--mut);font-weight:400;font-family:'Inter'}
.pl.hot .pr small{color:#b6b6c0}
.pl .mut{color:var(--mut);font-size:.9rem;margin-bottom:18px}
.pl ul{list-style:none;margin-bottom:24px}
.pl li{display:flex;gap:10px;padding:8px 0;border-bottom:1px solid var(--line);color:var(--mut);font-size:.92rem}
.pl.hot li{border-color:#2a2a32}
.pl li i{color:var(--red);font-size:1.1rem;flex:none}

/* big cta */
.cta{background:var(--red);border-radius:var(--rad);padding:56px;display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;color:#fff;position:relative;overflow:hidden}
.cta h2{color:#fff;font-size:2.2rem;text-transform:uppercase}
.cta p{opacity:.92;margin-top:6px}
.cta .btn{background:#fff;color:var(--red-d)}.cta .btn:hover{background:var(--dark);color:#fff}

/* page hero */
.phero{background:var(--dark);color:#fff;padding:64px 0 50px}
.phero .bc{color:#9a9aa6;font-size:.86rem;font-weight:600;margin-bottom:12px}
.phero .bc a{color:var(--red)}
.phero h1{font-size:clamp(2.2rem,4.4vw,3.3rem);text-transform:uppercase}
.phero p{color:#b6b6c0;margin-top:12px;max-width:600px}

/* contact */
.cg{display:grid;grid-template-columns:1fr 1.1fr;gap:46px;align-items:start}
.ci{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:22px;display:flex;gap:15px;align-items:center;margin-bottom:14px}
.ci .ic{width:50px;height:50px;border-radius:10px;background:#fbe9e9;color:var(--red);display:grid;place-items:center;font-size:1.4rem;flex:none}
.ci .t{font-size:.78rem;color:var(--mut);text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.ci .v{font-family:'Archivo';font-size:1.05rem;font-weight:700}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--rad);padding:34px}
.form .fld{margin-bottom:16px}
.form label{font-weight:700;font-size:.85rem;display:block;margin-bottom:7px}
.form input,.form select,.form textarea{width:100%;border:1.5px solid var(--line);border-radius:8px;padding:13px 15px;font-family:inherit;font-size:.95rem;background:var(--bg);transition:.2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--red)}
.form textarea{min-height:120px;resize:vertical}
.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* prose */
.prose{max-width:780px}
.prose h2{font-size:1.5rem;text-transform:uppercase;margin:32px 0 12px;color:var(--red-d)}
.prose p,.prose li{color:var(--mut);margin-bottom:11px}
.prose ul{padding-left:20px;margin-bottom:12px}

/* footer */
.foot{background:var(--ink2);color:#9a9aa6;padding:62px 0 26px}
.fg{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:36px;margin-bottom:40px}
.foot .brand{color:#fff}
.foot p{font-size:.9rem;margin-top:14px}
.foot h5{font-family:'Archivo';color:#fff;font-size:1rem;text-transform:uppercase;margin-bottom:14px}
.foot a{display:block;color:#9a9aa6;font-size:.9rem;padding:5px 0;transition:.2s}
.foot a:hover{color:var(--red)}
.fbot{border-top:1px solid #2a2a32;padding-top:22px;display:flex;justify-content:space-between;font-size:.83rem;color:#7a7a86;flex-wrap:wrap;gap:8px}

[data-up]{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
[data-up].vis{opacity:1;transform:none}

@media(max-width:980px){
  .hero .grid,.split,.cg{grid-template-columns:1fr}
  .hero .pic{min-height:320px}.hero .pic::after{background:linear-gradient(0deg,var(--dark),transparent 40%)}
  .sbar .row,.stats{grid-template-columns:1fr 1fr}.sbar .it:nth-child(2){border-right:none}
  .cards,.plans{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .fg{grid-template-columns:1fr 1fr}
}
@media(max-width:660px){
  .menu,.nx .btn{display:none}.burger{display:block}.emerg .wrap span:last-child{display:none}
  .hero .txt{padding:54px 26px}
  .sbar .row,.stats,.cards,.plans,.steps,.two{grid-template-columns:1fr}
  .fg{grid-template-columns:1fr}
  .sec{padding:62px 0}.cta{flex-direction:column;text-align:center;padding:40px 26px}
}