/* ============================================================
   JBM INSTAL — demo w3 "blueprint premium" (one-off, jasny techniczny)
   Tokeny: chłodna biel + kobalt (gaz/woda/chłód) + bursztyn tylko w grafice.
   Kontrasty liczone pod WCAG: tekst >=4.5:1, duże/UI >=3:1.
   ============================================================ */
:root {
  --bg:        #FFFFFF;
  --panel:     #F2F6FB;   /* chłodny papier sekcji */
  --panel-2:   #FBFCFE;
  --ink:       #111A2B;   /* granatowa czerń */
  --muted:     #46536A;   /* 7.7:1 na bieli */
  --blue:      #164FA3;   /* akcent główny, 7.8:1 na bieli */
  --blue-d:    #123F85;
  --blue-ink:  #16386B;   /* kreska konstrukcyjna rysunków */
  --deep:      #0D2242;   /* granat sekcji przeglądów / stopki */
  --deep-2:    #12294E;
  --amber:     #E8A33D;   /* tylko grafika (płomień, łuk) */
  --star:      #C27C1A;   /* gwiazdki na bieli, >=3:1 */
  --line:      #DEE5EF;
  --line-soft: #E7EEF7;
  --wrap: 1160px;
  --radius: 14px;
  --ease: cubic-bezier(.22,.68,.36,1);
  --shadow-card: 0 14px 34px -20px rgba(17,26,43,.22);
  --font-display: 'Bricolage Grotesque', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Public Sans', 'Segoe UI', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-weight: 700; line-height: 1.06; letter-spacing: -.022em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
::selection { background: rgba(22,79,163,.18); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 clamp(20px, 4vw, 40px); }
.wrap--narrow { max-width: 780px; }
/* dzieci gridów nie mogą rozpychać kolumn ponad viewport (min-content blowout) */
.hero__grid > *, .about > *, .deep__grid > *, .contact > *, .card, .quote, .step, .spec__cell { min-width: 0; }
body { overflow-x: clip; }

.skip {
  position: absolute; left: -999px; top: 8px; z-index: 200;
  background: var(--blue); color: #fff; padding: 10px 18px; border-radius: 8px; font-weight: 600;
}
.skip:focus { left: 8px; }

/* --- typografia pomocnicza --- */
.kicker {
  font-size: .78rem; font-weight: 700; letter-spacing: .15em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 16px;
}
.kicker--light { color: #A9CDF0; }
.lede { font-size: 1.125rem; line-height: 1.75; color: var(--muted); max-width: 60ch; }

.stars { color: var(--star); letter-spacing: .12em; font-size: .95rem; }
.stars--sm { font-size: .8rem; }

.tel-inline { color: var(--blue); font-weight: 700; text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1.5px; }
.tel-inline:hover { color: var(--blue-d); }
.ext { color: var(--blue); font-weight: 600; }
.ext:hover { color: var(--blue-d); text-decoration: underline; text-underline-offset: 4px; }

/* --- przyciski --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-body); font-weight: 600; font-size: .98rem;
  padding: 13px 22px; border-radius: 10px; border: 1px solid transparent;
  cursor: pointer; white-space: nowrap;
  transition: background .25s, color .25s, border-color .25s, box-shadow .3s var(--ease), transform .2s var(--ease);
}
.btn--lg { padding: 16px 28px; font-size: 1.02rem; }
.btn .ic { width: 18px; height: 18px; fill: currentColor; flex: none; }
.btn--primary { background: var(--blue); color: #fff; box-shadow: 0 12px 26px -14px rgba(22,79,163,.55); }
.btn--primary:hover { background: var(--blue-d); transform: translateY(-1px); box-shadow: 0 16px 30px -14px rgba(22,79,163,.6); }
.btn--primary:active { transform: translateY(1px); box-shadow: 0 6px 14px -10px rgba(22,79,163,.5); }
.btn--ghost { background: #fff; color: var(--ink); border-color: #C9D5E6; }
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn--light { background: #fff; color: var(--deep); box-shadow: 0 12px 26px -14px rgba(0,0,0,.45); }
.btn--light:hover { background: #E8EDF5; transform: translateY(-1px); }
.btn--light:active { transform: translateY(1px); }

/* ============ TOPBAR ============ */
.topbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar__in { display: flex; align-items: center; gap: 28px; min-height: 74px; }
.brand { display: inline-flex; align-items: center; gap: 12px; margin-right: auto; }
.brand__mark {
  width: 42px; height: 42px; border-radius: 10px; background: var(--blue); color: #fff;
  font-family: var(--font-display); font-weight: 700; font-size: 1.35rem;
  display: inline-flex; align-items: center; justify-content: center; flex: none;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__text strong { font-family: var(--font-display); font-size: 1.12rem; letter-spacing: -.01em; }
.brand__text small { font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.nav { display: flex; gap: 26px; }
.nav a { font-weight: 600; font-size: .95rem; color: var(--muted); transition: color .25s; }
.nav a:hover { color: var(--ink); }
.nav-toggle { display: none; }

/* ============ HERO ============ */
.hero {
  position: relative;
  background:
    radial-gradient(1100px 480px at 85% -10%, rgba(22,79,163,.06), transparent 60%),
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px),
    linear-gradient(#FDFEFF, #F7FAFD);
  background-size: auto, 34px 34px, 34px 34px, auto;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(80% 90% at 30% 40%, transparent 55%, rgba(255,255,255,.9));
}
.hero__grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(32px, 5vw, 64px); align-items: center;
  padding-top: clamp(56px, 8vw, 96px); padding-bottom: clamp(56px, 8vw, 96px);
}
.hero h1 { font-size: clamp(2.5rem, 5.4vw, 4.15rem); margin-bottom: 22px; }
.hero .lede { margin-bottom: 34px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero__proof { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; color: var(--muted); font-size: .95rem; }
.hero__proof strong { color: var(--ink); }
.proof { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; }
.proof--link:hover span:last-child { text-decoration: underline; text-underline-offset: 4px; }

/* rysunek techniczny */
.hero__art {
  margin: 0; padding: clamp(18px, 2.4vw, 30px);
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  box-shadow: var(--shadow-card);
}
.hero__art svg { width: 100%; height: auto; }
.hero__artnote {
  margin-top: 12px; text-align: center;
  font-size: .7rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
  white-space: nowrap;
}
.hero__art .s1  { stroke: #5B79A6; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.hero__art .s15 { stroke: var(--blue); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; fill: none; }
.hero__art .s2  { stroke: var(--blue-ink); stroke-width: 2.1; stroke-linecap: round; stroke-linejoin: round; fill: none; }
.hero__art .dim { stroke: #8FA6C6; stroke-width: 1.1; }
.hero__art .pipe { stroke: var(--blue); stroke-width: 1.9; fill: none; }
.hero__art .dash { stroke-dasharray: 5 5; }
.hero__art .fillp { fill: #EEF4FC; }
.hero__art .flame { fill: var(--amber); stroke: none; }
.hero__art .node { fill: var(--blue); stroke: none; }
.hero__art .lbl text {
  font-family: var(--font-body); font-size: 9.5px; font-weight: 700;
  letter-spacing: .12em; fill: var(--muted);
}

/* ============ PASEK "KARTA KATALOGOWA" ============ */
.spec { background: var(--bg); border-bottom: 1px solid var(--line); }
.spec__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); margin: 0;
}
.spec__cell { padding: 26px 26px; border-left: 1px solid var(--line); }
.spec__cell:first-child { border-left: 0; padding-left: 0; }
.spec__cell dt {
  font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 8px;
}
.spec__cell dd { margin: 0; font-family: var(--font-display); font-weight: 600; font-size: 1.18rem; letter-spacing: -.01em; }
.spec__cell dd a:hover { color: var(--blue); }
.spec__sub { display: block; font-family: var(--font-body); font-size: .85rem; font-weight: 500; color: var(--muted); margin-top: 2px; }

/* ============ SEKCJE ============ */
.section { padding: clamp(64px, 9vw, 116px) 0; }
.section--panel { background: var(--panel); border-block: 1px solid var(--line); }
.section__head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 56px); }
.section__head h2 { font-size: clamp(1.85rem, 3.4vw, 2.6rem); }
.section__head .lede { margin-top: 16px; }
.section__cta { margin-top: clamp(32px, 4vw, 44px); color: var(--muted); font-size: 1.05rem; }
section[id], footer[id] { scroll-margin-top: 86px; }

/* ============ USŁUGI ============ */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px 30px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); border-color: #C9D5E6; }
.card__ic {
  width: 52px; height: 52px; border-radius: 12px;
  background: #EEF4FC; display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.card__ic svg { width: 28px; height: 28px; fill: none; stroke: var(--blue); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 1.22rem; font-weight: 600; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .97rem; line-height: 1.68; }
.card--accent { background: linear-gradient(160deg, #1B5AB8, var(--blue-d)); border-color: transparent; }
.card--accent h3 { color: #fff; }
.card--accent p { color: #D8E4F6; }
.card--accent .card__ic { background: rgba(255,255,255,.14); }
.card--accent .card__ic svg { stroke: #fff; }
.card--accent:hover { box-shadow: 0 20px 40px -20px rgba(18,63,133,.6); }
.card__link {
  display: inline-block; margin-top: 14px; color: #fff; font-weight: 600; font-size: .95rem;
  text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1.5px;
}
.card__link:hover { color: #D8E4F6; }

/* ============ O NAS ============ */
.about { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(36px, 6vw, 72px); align-items: center; }
.about h2 { font-size: clamp(1.85rem, 3.2vw, 2.5rem); margin-bottom: 22px; }
.about__copy p { color: var(--muted); margin-bottom: 18px; max-width: 58ch; }
.about__copy em { font-style: normal; color: var(--ink); font-weight: 600; }
.ticks { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 12px; }
.ticks li { position: relative; padding-left: 32px; font-weight: 500; }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 6px;
  background: #EEF4FC;
}
.ticks li::after {
  content: ""; position: absolute; left: 5px; top: 8px; width: 10px; height: 6px;
  border-left: 2px solid var(--blue); border-bottom: 2px solid var(--blue); transform: rotate(-45deg);
}
.about__badge {
  text-align: center; padding: clamp(28px, 4vw, 44px);
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 20px;
}
.rosette { width: min(210px, 60%); margin: 0 auto 8px; }
.rosette .r-outer { stroke: var(--star); stroke-width: 2.5; fill: #fff; }
.rosette .r-inner { stroke: #D9B36A; stroke-width: 1.2; stroke-dasharray: 3 4; fill: none; }
.rosette .r-star { fill: var(--star); }
.rosette .r-ribbon { fill: var(--blue); }
.rosette .r-caps text { font-family: var(--font-body); font-size: 11px; font-weight: 700; letter-spacing: .18em; fill: var(--muted); }
.about__badge-title { color: var(--muted); line-height: 1.4; }
.about__badge-title strong { display: block; font-family: var(--font-display); font-size: 1.3rem; color: var(--ink); font-weight: 600; margin-top: 2px; }
.about__badge-years { margin-top: 8px; font-weight: 700; letter-spacing: .22em; color: var(--star); }

/* ============ PRZEGLĄDY (deep) ============ */
.section--deep {
  background:
    radial-gradient(900px 420px at 12% 0%, rgba(127,181,232,.12), transparent 55%),
    linear-gradient(170deg, var(--deep), var(--deep-2));
  color: #E8EDF5;
}
.deep__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(36px, 6vw, 80px); align-items: center; }
.deep__dial { margin: 0; }
.deep__dial svg { width: min(420px, 100%); margin: 0 auto; }
.d-ring { stroke: #38598E; stroke-width: 1.5; fill: none; }
.d-ring--soft { stroke: #24406E; }
.d-ticks line { stroke: #6C89B8; stroke-width: 1.6; stroke-linecap: round; }
.d-arc { stroke-width: 7; stroke-linecap: round; fill: none; }
.d-arc--amber { stroke: var(--amber); }
.d-arc--ice { stroke: #7FB5E8; }
.d-lbl text { font-family: var(--font-body); font-size: 10px; font-weight: 600; letter-spacing: .3em; fill: #8FA6C6; }
.d-lbl .d-lbl--big { font-family: var(--font-display); font-size: 17px; font-weight: 700; letter-spacing: .3em; fill: #E8EDF5; }
.d-note text { font-family: var(--font-body); font-size: 9.5px; font-weight: 700; letter-spacing: .16em; }
.d-note--amber text { fill: #F0BE74; }
.d-note--ice text { fill: #A9CDF0; }

.deep__copy h2 { font-size: clamp(1.85rem, 3.4vw, 2.6rem); color: #fff; margin-bottom: 20px; }
.deep__lede { color: #B9C7DE; font-size: 1.1rem; line-height: 1.75; max-width: 56ch; margin-bottom: 34px; }
.deep__points { display: grid; gap: 20px; margin-bottom: 38px; }
.dpoint { padding-left: 20px; border-left: 2px solid rgba(127,181,232,.45); }
.dpoint h3 { font-size: 1.08rem; font-weight: 600; color: #fff; margin-bottom: 4px; }
.dpoint p { color: #B9C7DE; font-size: .96rem; line-height: 1.65; max-width: 54ch; }

/* ============ OPINIE ============ */
.quotes { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.quote {
  margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; display: flex; flex-direction: column; gap: 14px;
}
.quote--lead { background: var(--panel-2); border-color: #C9D5E6; }
.quote--lead p { font-size: 1.14rem; line-height: 1.7; }
.quote p { color: var(--ink); font-size: 1rem; line-height: 1.68; }
.quote footer { margin-top: auto; color: var(--muted); font-size: .88rem; }
.quote cite { font-style: normal; font-weight: 700; color: var(--ink); }

/* ============ PROCES ============ */
.steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
  counter-reset: krok;
}
.step {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px 28px;
}
.step__no {
  display: block; font-family: var(--font-display); font-weight: 700; font-size: 2.4rem;
  color: #BBD0EC; line-height: 1; margin-bottom: 14px;
}
.step h3 { font-size: 1.12rem; font-weight: 600; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: .95rem; line-height: 1.65; }

/* ============ OBSZAR ============ */
.area { background: var(--bg); border-bottom: 1px solid var(--line); }
.area__in { display: flex; gap: 16px; align-items: flex-start; padding-top: 30px; padding-bottom: 30px; }
.area__pin { width: 26px; height: 26px; flex: none; fill: none; stroke: var(--blue); stroke-width: 1.7; margin-top: 2px; }
.area p { color: var(--muted); max-width: 75ch; }
.area strong { color: var(--ink); }

/* ============ FAQ ============ */
.faq { display: grid; gap: 0; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 22px 4px; font-family: var(--font-display); font-weight: 600; font-size: 1.12rem; letter-spacing: -.01em;
  transition: color .25s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--blue); }
.faq__x { position: relative; width: 22px; height: 22px; flex: none; }
.faq__x::before, .faq__x::after {
  content: ""; position: absolute; inset: 0; margin: auto; background: var(--blue); border-radius: 2px;
  transition: transform .3s var(--ease);
}
.faq__x::before { width: 14px; height: 2px; }
.faq__x::after { width: 2px; height: 14px; }
.faq details[open] .faq__x::after { transform: rotate(90deg); }
.faq details p { padding: 0 4px 24px; color: var(--muted); max-width: 66ch; }

/* ============ KONTAKT ============ */
.section--contact { background: var(--panel-2); border-top: 1px solid var(--line); }
.contact { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(36px, 6vw, 80px); align-items: start; }
.contact__main h2 { font-size: clamp(2rem, 3.6vw, 2.8rem); margin-bottom: 16px; }
.contact__phone {
  display: inline-block; margin: 30px 0 10px;
  font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em;
  font-size: clamp(2rem, 4.6vw, 3.1rem); color: var(--blue);
  font-variant-numeric: tabular-nums; transition: color .25s;
}
.contact__phone:hover { color: var(--blue-d); }
.contact__hint { color: var(--muted); font-size: .95rem; margin-bottom: 22px; }
.contact__mail { font-weight: 600; color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.contact__mail:hover { color: var(--blue); }
.contact__meta { display: grid; gap: 26px; }
.hours { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.hours th, .hours td { text-align: left; padding: 13px 18px; border-bottom: 1px solid var(--line); font-size: .96rem; }
.hours tr:last-child th, .hours tr:last-child td { border-bottom: 0; }
.hours th { font-weight: 600; color: var(--muted); }
.hours td { font-weight: 600; text-align: right; font-variant-numeric: tabular-nums; }
.addr { font-style: normal; color: var(--muted); line-height: 1.8; }

/* ============ STOPKA ============ */
.footer { background: var(--deep); color: #B9C7DE; padding: 54px 0 90px; }
.footer__in { display: grid; gap: 22px; }
.footer__brand { display: flex; gap: 14px; align-items: flex-start; color: #E8EDF5; }
.footer__brand strong { font-family: var(--font-display); font-size: 1.1rem; }
.footer__brand span { font-size: .9rem; color: #8FA6C6; }
.brand__mark--footer { background: rgba(255,255,255,.12); }
.footer__nap { font-size: .82rem; color: #8FA6C6; line-height: 1.7; border-top: 1px solid rgba(143,166,198,.25); padding-top: 20px; }
.footer__nap a { color: #B9C7DE; text-decoration: underline; text-underline-offset: 3px; }
.footer__nap a:hover { color: #fff; }
.footer__note { font-size: .82rem; color: #8FA6C6; }

/* ============ MOBILNY PASEK ============ */
.callbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  display: none; align-items: center; justify-content: space-between; gap: 14px;
  padding: 12px 18px calc(12px + env(safe-area-inset-bottom));
  background: rgba(255,255,255,.96); backdrop-filter: blur(10px);
  border-top: 1px solid var(--line); box-shadow: 0 -12px 30px -18px rgba(17,26,43,.25);
  transition: transform .35s var(--ease);
}
.callbar.hide { transform: translateY(110%); }
.callbar__txt { font-size: .9rem; font-weight: 600; color: var(--muted); }
.callbar__btn { flex: none; }

/* ============ ANIMACJE ============ */
/* stan ukryty tylko gdy JS działa (html.js) — bez JS strona jest w pełni widoczna */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card { transition: none; }
}

/* ============ RESPONSYWNOŚĆ ============ */
@media (max-width: 1060px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .spec__grid { grid-template-columns: repeat(2, 1fr); row-gap: 8px; }
  .spec__cell { padding: 18px 22px; }
  .spec__cell:nth-child(odd) { border-left: 0; padding-left: 0; }
}

@media (max-width: 920px) {
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0; padding: 8px 0;
    background: #fff; border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav.open { display: flex; }
  .nav a { padding: 14px clamp(20px, 4vw, 40px); border-top: 1px solid var(--line-soft); }
  .nav-toggle {
    display: inline-flex; flex-direction: column; gap: 6px; justify-content: center;
    width: 44px; height: 44px; padding: 10px;
    background: none; border: 1px solid var(--line); border-radius: 10px; cursor: pointer;
  }
  .nav-toggle span { display: block; height: 2px; width: 100%; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s; }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__art { max-width: 560px; }
  .about { grid-template-columns: 1fr; }
  .about__badge { max-width: 420px; }
  .deep__grid { grid-template-columns: 1fr; }
  .deep__dial { order: 2; margin-top: 12px; }
  .contact { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  body { padding-bottom: 74px; }
  .topbar__tel { display: none; }
  .callbar { display: flex; }
  .deep__btn { width: 100%; }
  .cards { grid-template-columns: 1fr; }
  .quotes { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .spec__grid { grid-template-columns: 1fr; }
  .spec__cell { border-left: 0; padding: 14px 0; border-bottom: 1px solid var(--line-soft); }
  .spec__cell:last-child { border-bottom: 0; }
  .hero__cta .btn { width: 100%; }
  .contact__phone { font-size: clamp(1.7rem, 8.4vw, 2.4rem); }
}

@media (max-width: 400px) {
  .brand__text small { display: none; }
  .callbar__txt { display: none; }
  .callbar { justify-content: stretch; }
  .callbar__btn { flex: 1; }
}

@media (max-width: 430px) {
  .deep__btn-num { display: none; } /* na wąskich ekranach sam "Umów przegląd" — numer i tak jest w tel: */
}