/* Ironbayou Plumbing — тёмный премиум (референс: FluxPlumb).
   Графит, сдержанный синий акцент, pill-кнопки, фото мастеров.
   Системные шрифты, без внешних запросов. */

:root{
  --bg:#15181c;
  --bg-alt:#191d22;
  --deep:#0f1114;
  --card:#1e242b;
  --card-2:#232a32;
  --ink:#f2f5f8;
  --txt:#a9b2bc;
  --mut:#7d8894;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --blue:#3e7bfd;
  --blue-h:#5b8dff;
  --blue-d:#2f63d6;
  --blue-soft:#8fb1ff;
  --ok:#4fd18b;
  --bad:#ff7a5c;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --r:18px;
  --r-s:12px;
  --pill:999px;
  --wrap:1140px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.65;
  color:var(--txt);
  background:var(--bg);
  overflow-x:hidden;
}
[hidden]{display:none !important}
img,svg{max-width:100%;height:auto;display:block}
h1,h2,h3{line-height:1.1;letter-spacing:-.025em;margin:0 0 .5em;font-weight:750;color:var(--ink)}
h1{font-size:clamp(2.1rem,5.4vw,3.7rem)}
h2{font-size:clamp(1.55rem,3.4vw,2.45rem)}
h3{font-size:1.08rem;letter-spacing:-.012em}
p{margin:0 0 1.05em}
a{color:var(--blue-soft)}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.wrap--narrow{max-width:760px}

.skip{
  position:absolute;left:-9999px;top:0;z-index:99;
  background:var(--blue);color:#fff;padding:12px 18px;font-weight:700;
}
.skip:focus{left:0}
:focus-visible{outline:3px solid var(--blue-soft);outline-offset:2px}

/* ---------- header ---------- */
.hdr{background:var(--deep);color:var(--ink);position:relative;z-index:5;
  border-bottom:1px solid var(--line)}
.hdr__in{display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:80px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:11px;color:var(--ink);text-decoration:none;
  font-weight:750;letter-spacing:-.03em;font-size:1.2rem}
.brand__mark{display:block;flex:0 0 auto}
.brand__thin{font-weight:400;color:var(--mut);margin-left:.34em}
.hdr__cta{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.hdr__badge{
  font-size:.7rem;text-transform:uppercase;letter-spacing:.14em;font-weight:700;
  color:var(--ok);border:1px solid rgba(79,209,139,.35);border-radius:var(--pill);
  padding:6px 12px;white-space:nowrap;
}
.tel{text-decoration:none;color:#fff;display:block}
.tel--hdr{
  display:flex;flex-direction:column;align-items:flex-start;
  background:var(--blue);border-radius:var(--pill);padding:9px 22px;
}
.tel--hdr:hover{background:var(--blue-h)}
.tel__lbl{display:block;font-size:.62rem;text-transform:uppercase;letter-spacing:.16em;
  color:rgba(255,255,255,.75);font-weight:700}
.tel__num{display:block;font-size:clamp(1.02rem,2.6vw,1.3rem);font-weight:750;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;white-space:nowrap}

/* ---------- hero ---------- */
.hero{background:
    radial-gradient(52rem 30rem at 82% -8rem,rgba(62,123,253,.14),transparent 60%),
    var(--bg);
  padding:clamp(44px,6.5vw,84px) 0 clamp(40px,6vw,72px)}
.hero__in{display:grid;grid-template-columns:1.04fr .96fr;gap:clamp(24px,4.5vw,60px);align-items:center}
.hero h1{text-wrap:balance}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:.72rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.17em;color:var(--blue-soft);margin-bottom:1.2em}
.pulse{width:9px;height:9px;border-radius:50%;background:var(--blue);flex:0 0 auto;
  box-shadow:0 0 0 0 rgba(62,123,253,.6)}
.lede{font-size:clamp(1rem,1.9vw,1.13rem);color:var(--txt);max-width:35em}
.hero__btns{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 0}
.btn{display:inline-block;text-decoration:none;border-radius:var(--pill);font-weight:700;
  border:1.5px solid transparent;font-family:inherit;font-size:1rem;cursor:pointer}
.btn--call{background:var(--blue);color:#fff;padding:14px 28px}
.btn--call:hover{background:var(--blue-h)}
.btn--call:active{background:var(--blue-d)}
.btn__top{display:block;font-size:clamp(1.02rem,2.3vw,1.22rem);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums}
.btn__sub{display:block;font-size:.74rem;font-weight:500;color:rgba(255,255,255,.78);margin-top:2px}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-2);
  padding:14px 24px;align-self:center}
.btn--ghost:hover{border-color:var(--ink);color:#fff}
.hero__facts{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:14px 24px;
  margin:34px 0 0;padding:22px 0 0;border-top:1px solid var(--line)}
.hero__facts li{display:flex;flex-direction:column}
.hero__facts strong{font-size:1.32rem;letter-spacing:-.03em;color:var(--ink);
  font-variant-numeric:tabular-nums}
.hero__facts span{font-size:.8rem;color:var(--mut)}
.hero__art{align-self:stretch;display:flex}
.hero__photo{width:100%;max-width:460px;margin-left:auto;border-radius:var(--r);
  border:1px solid var(--line);object-fit:cover;min-height:100%;max-height:560px}

/* ---------- photo duo ---------- */
.duo{padding:0 0 clamp(20px,3vw,36px)}
.duo__in{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.duo img{width:100%;height:clamp(180px,26vw,300px);object-fit:cover;
  border-radius:var(--r);border:1px solid var(--line)}

/* ---------- trust strip ---------- */
.strip{background:var(--bg);padding:6px 0 clamp(36px,5vw,56px)}
.strip__in{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.strip__item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-s);
  padding:16px 18px;display:flex;flex-direction:column;gap:3px}
.strip__k{font-size:.66rem;text-transform:uppercase;letter-spacing:.14em;color:var(--mut);font-weight:700}
.strip__v{font-weight:700;font-size:.94rem;color:var(--ink);overflow-wrap:anywhere}

/* ---------- bands ---------- */
.band{padding:clamp(46px,6.5vw,88px) 0}
.band--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band--dark{background:var(--deep);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band--form{background:var(--bg-alt);border-top:1px solid var(--line)}
.band__lede{max-width:48em;color:var(--txt)}
.kicker{font-size:.7rem;text-transform:uppercase;letter-spacing:.18em;font-weight:750;
  color:var(--blue-soft);margin-bottom:.8em}
.kicker--light{color:var(--blue-soft)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
.split--wide{grid-template-columns:1.15fr .85fr}

.steps{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.steps li{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--blue);
  padding:15px 19px;border-radius:var(--r-s)}
.steps__n{display:block;font-weight:750;letter-spacing:-.01em;margin-bottom:2px;color:var(--ink)}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px 22px}
.card h3{margin-bottom:.45em}
.card p{margin:0;font-size:.94rem;color:var(--txt)}
.card--call{background:var(--blue);border-color:var(--blue)}
.card--call h3{color:#fff}
.card--call p{color:rgba(255,255,255,.85)}
.card__tel{display:inline-block;margin-top:14px;color:#fff;font-weight:750;
  font-size:1.05rem;text-decoration:none;font-variant-numeric:tabular-nums;
  border-bottom:2px solid rgba(255,255,255,.5)}
.card__tel:hover{border-bottom-color:#fff}

.flow{list-style:none;margin:28px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.flow li{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 20px}
.flow__n{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
  background:var(--blue);color:#fff;font-weight:750;border-radius:50%;margin-bottom:12px}
.flow h3{margin-bottom:.3em}
.flow p{margin:0;font-size:.94rem;color:var(--txt)}

.price{margin:26px 0 12px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r);padding:6px 22px;max-width:640px}
.price__row{display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  padding:15px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.price__row:last-child{border-bottom:0}
.price__row span{color:var(--txt)}
.price__row b{font-size:1.12rem;color:var(--ink);font-variant-numeric:tabular-nums;
  overflow-wrap:anywhere}
.price__note{font-size:.86rem;color:var(--mut);margin:0}

.area{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.area li{background:var(--card);border:1px solid var(--line);border-radius:var(--pill);
  padding:9px 16px;font-size:.9rem;font-weight:600;color:var(--ink)}
.area__hours{font-size:.94rem;color:var(--txt)}
.area__hours strong{color:var(--ink)}

.faq{margin-top:24px;display:grid;gap:10px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--r-s);
  padding:0 18px}
.faq summary{cursor:pointer;padding:16px 34px 16px 0;font-weight:700;position:relative;
  list-style:none;font-size:1rem;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:2px;top:13px;font-size:1.4rem;
  font-weight:400;color:var(--blue-soft)}
.faq details[open] summary::after{content:"−"}
.faq p{margin:0 0 16px;color:var(--txt);max-width:56em}

/* ---------- form ---------- */
.form{margin-top:26px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:.9rem;margin-bottom:6px;color:var(--ink)}
.req{color:var(--blue-soft)}
.field input,.field select,.field textarea{
  width:100%;font:inherit;font-size:1rem;padding:12px 15px;border:1.5px solid var(--line-2);
  border-radius:var(--r-s);background:var(--card);color:var(--ink);
}
.field select{appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23a9b2bc' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 15px center}
.field textarea{resize:vertical;min-height:96px}
.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{
  border-color:var(--blue);outline:3px solid rgba(62,123,253,.35);outline-offset:0}
.field [aria-invalid="true"]{border-color:var(--bad);background:rgba(255,122,92,.07)}
.hint{font-size:.82rem;color:var(--mut);margin:6px 0 0}
.err{font-size:.85rem;color:var(--bad);font-weight:600;margin:6px 0 0}
.btn--submit{background:var(--blue);color:#fff;padding:15px 28px;font-size:1.04rem;width:100%}
.btn--submit:hover{background:var(--blue-h)}
.btn--submit[disabled]{opacity:.6;cursor:progress}
.form__status{margin:14px 0 0;font-weight:700;min-height:1.2em}
.form__status[data-state="ok"]{color:var(--ok)}
.form__status[data-state="err"]{color:var(--bad)}
.form__fine{font-size:.8rem;color:var(--mut);margin:10px 0 0}
.form--sent .field,.form--sent .btn--submit,.form--sent .form__fine{display:none}

/* ---------- footer ---------- */
.ftr{background:var(--deep);color:var(--txt);padding:44px 0 96px;font-size:.92rem;
  border-top:1px solid var(--line)}
.ftr__in{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.ftr p{margin:0 0 .45em}
.ftr a{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums}
.ftr__name{color:var(--ink);font-weight:750;font-size:1.08rem;letter-spacing:-.02em}
.ftr__meta{text-align:right}
.ftr__demo{margin-top:1em;color:var(--mut);font-style:italic}

/* ---------- sticky call bar (mobile) ---------- */
.callbar{display:none}
@media (max-width:760px){
  .callbar{
    display:block;position:fixed;left:12px;right:12px;bottom:12px;z-index:40;
    background:var(--blue);border-radius:var(--pill);
    box-shadow:0 8px 26px rgba(0,0,0,.45);
  }
  .callbar__btn{display:flex;flex-direction:column;align-items:center;justify-content:center;
    padding:9px 12px;min-height:58px;color:#fff;text-decoration:none}
  .callbar__lbl{font-size:.68rem;text-transform:uppercase;letter-spacing:.14em;font-weight:700;
    color:rgba(255,255,255,.82)}
  .callbar__num{font-size:1.26rem;font-weight:750;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
}

/* ---------- responsive ---------- */
@media (max-width:900px){
  .hero__in{grid-template-columns:1fr}
  .hero__art{order:-1}
  .hero__photo{margin:0 auto;max-width:100%;height:clamp(220px,40vw,360px);min-height:0}
  .strip__in{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:1fr}
  .split,.split--wide{grid-template-columns:1fr}
}
@media (max-width:620px){
  body{font-size:16px}
  .hero__facts{grid-template-columns:1fr;gap:12px}
  .hdr__in{min-height:0}
  .hdr__cta{width:100%;justify-content:space-between}
  .cards{grid-template-columns:1fr}
  .strip__in{grid-template-columns:1fr}
  .duo__in{grid-template-columns:1fr}
  .duo img{height:clamp(180px,48vw,260px)}
  .hero__btns .btn{width:100%;text-align:center}
  .ftr__in{grid-template-columns:1fr}
  .ftr__meta{text-align:left}
  .ftr{padding-bottom:110px}
}

/* ---------- анимации только по явному согласию ---------- */
@media (prefers-reduced-motion:no-preference){
  .pulse{animation:pulse 2.1s ease-out infinite}
  .btn,.card,.tel--hdr{transition:background-color .16s ease,color .16s ease,
    border-color .16s ease}
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(62,123,253,.55)}
  70%{box-shadow:0 0 0 12px rgba(62,123,253,0)}
  100%{box-shadow:0 0 0 0 rgba(62,123,253,0)}
}