/* ============================================================
   STRANG · CO²-KÄLTETECHNIK — Page-spezifische Styles
   Lädt NACH design-system/styles-site.css. Hier nur die
   neuen Sektionen + Hero-Override + Akzent-Utility.
   Header, Footer, Notdienst-Ribbon, Brand, Buttons werden vom
   bestehenden Site-Stylesheet geliefert — Konsistenz mit der
   Startseite ist Pflicht.
   ============================================================ */

/* ----- Akzent-Utility: Orange-Färbung statt Italic ----- */
.accent-orange { color: var(--strang-orange); font-style: normal; }

/* ============================================================
   BREADCRUMB (schmal, auf Cream)
   ============================================================ */
.breadcrumb {
  background: var(--cream);
  border-bottom: 1px solid var(--line);
}
.breadcrumb .container {
  padding-top: 14px; padding-bottom: 14px;
  font-size: 12px; letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex; align-items: center; gap: 10px;
  font-weight: 600;
}
.breadcrumb a {
  color: var(--muted); text-decoration: none;
}
.breadcrumb a:hover { color: var(--strang-orange); }
.breadcrumb .sep { color: var(--line-strong); }
.breadcrumb .current { color: var(--ink); }

/* ============================================================
   GHOST-LIGHT BUTTON (für dunkle Sektionen — nicht im Site-CSS)
   ============================================================ */
.btn-ghost-light {
  background: transparent;
  color: var(--cream);
  border: 1px solid rgba(250,247,242,0.45);
  appearance: none;
  font-family: var(--font-body);
  font-weight: 700; font-size: 15px; letter-spacing: 0.02em;
  padding: 14px 22px;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
  border-radius: 0;
  text-decoration: none;
  transition: background 120ms ease, border-color 120ms ease, transform 80ms ease, box-shadow 120ms ease;
}
.btn-ghost-light:hover { background: rgba(250,247,242,0.08); border-color: var(--cream); }
.btn-ghost-light:active { transform: translateY(1px); }
.btn-ghost-light:focus-visible { outline: 0; box-shadow: var(--shadow-focus); }

/* ============================================================
   PAGE-HERO — Navy-Deep, asymmetrisch.
   Override gegenüber Site-Default-Hero (Cream).
   ============================================================ */
.hero {
  background: var(--navy-900);
  color: var(--cream);
  padding: 96px 0 112px;
  border-bottom: 1px solid #000;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(800px 400px at 85% 30%, rgba(251,103,11,0.06), transparent 60%);
  pointer-events: none;
}
.hero .grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
}
.hero h1 {
  font-family: var(--font-headline);
  font-size: clamp(48px, 6.2vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: var(--cream);
  font-weight: 800;
  font-style: normal;
  font-variation-settings: normal;
  margin: 20px 0 0;
  max-width: 14ch;
  text-wrap: balance;
}
.hero h1 em { font-style: normal; color: inherit; }
.hero .lede {
  margin: 28px 0 36px;
  max-width: 52ch;
  font-size: 17px;
  line-height: 1.55;
  color: rgba(250,247,242,0.72);
}
.hero .ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* ----- R744 Schaltbild (rechte Hero-Hälfte) ----- */
.r744-schema {
  position: relative;
  aspect-ratio: 5 / 4;
  border: 1px solid rgba(250,247,242,0.14);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  padding: 28px;
}
.r744-schema .corner-label {
  position: absolute;
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(250,247,242,0.5); font-weight: 700;
}
.r744-schema .corner-label.tl { top: 12px; left: 14px; }
.r744-schema .corner-label.tr { top: 12px; right: 14px; color: var(--strang-orange); }
.r744-schema .corner-label.bl { bottom: 12px; left: 14px; }
.r744-schema svg { width: 100%; height: 100%; display: block; }
.r744-schema text {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: rgba(250,247,242,0.85);
  letter-spacing: 0.06em;
}
.r744-schema text.spec { fill: var(--strang-orange); font-weight: 700; }
.r744-schema text.muted-spec { fill: rgba(250,247,242,0.5); font-size: 10px; }

/* ============================================================
   PAGE-HEADLINES — Akzent-Wort nur über Farbe, kein Italic.
   Diese Seite verwendet die Manrope-Bold-Variante (gerade).
   Scope auf die neuen Sektionen — Site-Hero (Cream) bleibt
   unberührt.
   ============================================================ */
.fgas h2, .anw h2, .atypes h2, .ablauf h2, .zerts h2,
.refs-sec h2, .cta-band h2 {
  font-family: var(--font-headline);
  font-weight: 800;
  font-style: normal;
  font-variation-settings: normal;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
.fgas h2 em, .anw h2 em, .atypes h2 em, .ablauf h2 em,
.zerts h2 em, .refs-sec h2 em, .cta-band h2 em {
  font-style: normal;
  color: inherit;
  font-variation-settings: normal;
  font-weight: inherit;
}

/* ============================================================
   STAT-BAND — 4 Kacheln auf Paper
   ============================================================ */
.statband {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.statband .container { padding-top: 56px; padding-bottom: 56px; }
.statband .grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
}
.statband .cell {
  padding: 32px 24px 28px;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 8px;
}
.statband .cell:last-child { border-right: 0; }
.statband .cell .big {
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 56px;
  line-height: 0.95;
  letter-spacing: -0.035em;
  color: var(--strang-navy);
}
.statband .cell .big small.unit {
  font-size: 22px; font-weight: 800; letter-spacing: -0.02em;
  margin-left: 2px; color: var(--strang-navy);
}
.statband .cell .lab {
  font-size: 13px; color: var(--muted);
  line-height: 1.45; margin-top: 4px;
}
.statband .note {
  margin-top: 28px;
  font-size: 14px; color: var(--muted);
  max-width: 80ch;
}

/* ============================================================
   F-GAS-SEKTION (Cream)
   ============================================================ */
.fgas {
  background: var(--cream);
  padding: 112px 0;
  border-bottom: 1px solid var(--line);
}
.fgas .head {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px; align-items: end;
  margin-bottom: 56px;
}
.fgas .head h2 {
  font-size: clamp(36px, 4vw, 52px);
  color: var(--ink);
  margin: 16px 0 0; max-width: 18ch;
}
.fgas .head p {
  font-size: 15px; color: var(--muted);
  margin: 0; max-width: 42ch;
}
.fgas .cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  background: var(--paper);
}
.fgas .card {
  padding: 36px 32px 32px;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 14px;
}
.fgas .card:last-child { border-right: 0; }
.fgas .card .arrow-icon {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-strong);
  color: var(--strang-orange);
  font-size: 18px; font-weight: 700;
}
.fgas .card .when {
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--strang-orange); font-weight: 700;
  margin-top: 4px;
}
.fgas .card h3 {
  font-family: var(--font-headline);
  font-weight: 800; font-style: normal;
  font-size: 24px;
  letter-spacing: -0.022em;
  line-height: 1.15;
  color: var(--ink);
  margin: 0;
}
.fgas .card p {
  margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55;
  max-width: 38ch;
}
.fgas .footnote {
  margin-top: 32px;
  font-size: 14px; font-weight: 600;
  color: var(--strang-orange);
}
.fgas .footnote a {
  color: var(--strang-orange);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
.fgas .footnote a:hover { color: var(--strang-orange-deep); border-color: var(--strang-orange-deep); }

/* ============================================================
   ANWENDUNGEN (Navy-Deep, 3×2)
   ============================================================ */
.anw {
  background: var(--navy-900);
  color: var(--cream);
  padding: 112px 0;
}
.anw .head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: end;
  margin-bottom: 56px;
}
.anw .head h2 {
  font-size: clamp(36px, 4vw, 52px);
  color: var(--cream); margin: 16px 0 0; max-width: 14ch;
}
.anw .head p {
  font-size: 15px; color: rgba(250,247,242,0.65); margin: 0; max-width: 42ch;
}
.anw .grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(250,247,242,0.12);
  border: 1px solid rgba(250,247,242,0.12);
}
.anw .card {
  background: var(--navy-800);
  padding: 32px 28px;
  position: relative;
  display: flex; flex-direction: column; gap: 12px;
  min-height: 200px;
  transition: background 160ms ease;
}
.anw .card:hover { background: #15275e; }
.anw .card::before {
  content: ""; position: absolute; top: 0; left: 0;
  width: 40px; height: 2px; background: var(--strang-orange);
}
.anw .card .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(250,247,242,0.45);
  letter-spacing: 0.18em;
}
.anw .card h3 {
  font-family: var(--font-headline);
  font-weight: 800; font-style: normal;
  font-size: 20px; letter-spacing: -0.018em;
  color: var(--cream);
  margin: 0; line-height: 1.2;
}
.anw .card p {
  margin: 0; font-size: 14px; line-height: 1.55;
  color: rgba(250,247,242,0.72);
}

/* ============================================================
   ANLAGENTYPEN (Paper) — 3 Karten mit Schema-Skizze
   ============================================================ */
.atypes {
  background: var(--paper);
  padding: 112px 0;
  border-bottom: 1px solid var(--line);
}
.atypes .head {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px; align-items: end;
  margin-bottom: 56px;
}
.atypes .head h2 {
  font-size: clamp(36px, 4vw, 52px);
  margin: 16px 0 0; max-width: 18ch;
}
.atypes .head p {
  font-size: 15px; color: var(--muted); margin: 0; max-width: 42ch;
}
.atypes .grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
}
.atypes .card {
  padding: 36px 32px 32px;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  background: var(--paper);
}
.atypes .card:last-child { border-right: 0; }
.atypes .card .schema {
  width: 100%; aspect-ratio: 5 / 3;
  background: var(--cream);
  border: 1px solid var(--line);
  margin-bottom: 24px;
  padding: 16px;
}
.atypes .card .schema svg { width: 100%; height: 100%; display: block; }
.atypes .card .name {
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--strang-orange); font-weight: 700;
  margin-bottom: 8px;
}
.atypes .card h3 {
  font-family: var(--font-headline);
  font-weight: 800; font-style: normal;
  font-size: 30px; letter-spacing: -0.025em; line-height: 1.05;
  color: var(--ink); margin: 0 0 8px;
}
.atypes .card .sub {
  font-size: 14px; color: var(--strang-navy); font-weight: 700;
  margin: 0 0 18px;
}
.atypes .card p.body {
  margin: 0 0 24px; color: var(--ink);
  font-size: 14.5px; line-height: 1.6;
}
.atypes .card .specs {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  display: grid; gap: 8px;
  list-style: none;
  padding-left: 0;
}
.atypes .card .specs li {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: 1fr auto; gap: 16px;
  font-family: var(--font-mono);
  font-size: 12px; color: var(--muted);
  letter-spacing: 0.01em;
}
.atypes .card .specs li b { color: var(--ink); font-weight: 700; }
.atypes .card .specs li.yes b { color: var(--strang-orange); }

/* ============================================================
   ABLAUF (Navy-Deep) — horizontale Zeitleiste
   ============================================================ */
.ablauf {
  background: var(--navy-900);
  color: var(--cream);
  padding: 112px 0;
}
.ablauf .head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: end;
  margin-bottom: 64px;
}
.ablauf .head h2 {
  font-size: clamp(36px, 4vw, 52px);
  color: var(--cream); margin: 16px 0 0; max-width: 18ch;
}
.ablauf .head p {
  font-size: 15px; color: rgba(250,247,242,0.65); margin: 0; max-width: 42ch;
}
.ablauf .timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}
.ablauf .timeline::before {
  content: ""; position: absolute;
  top: 26px; left: 5%; right: 5%;
  height: 1px;
  background: rgba(250,247,242,0.18);
  z-index: 0;
}
.ablauf .node { position: relative; z-index: 1; padding: 0 16px; }
.ablauf .node .dot {
  width: 52px; height: 52px;
  background: var(--navy-900);
  border: 1px solid var(--strang-orange);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 16px;
  color: var(--strang-orange);
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}
.ablauf .node h3 {
  font-family: var(--font-body);
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--cream);
  font-weight: 800; margin: 0 0 12px;
}
.ablauf .node p {
  margin: 0;
  font-size: 14px; line-height: 1.55;
  color: rgba(250,247,242,0.65);
}

/* ============================================================
   ZERTIFIZIERUNGEN (Paper) — Pill-Reihe
   ============================================================ */
.zerts {
  background: var(--paper);
  padding: 80px 0;
  border-bottom: 1px solid var(--line);
}
.zerts .head {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px; align-items: center;
}
.zerts h2 {
  font-size: clamp(28px, 3vw, 36px);
  margin: 16px 0 0; max-width: 16ch;
}
.zerts .pills {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.zerts .pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 9999px;
  font-size: 13px; font-weight: 600;
  color: var(--ink); background: var(--paper);
}
.zerts .pill .dot {
  width: 6px; height: 6px; border-radius: 9999px;
  background: var(--strang-orange);
}

/* ============================================================
   REFERENZEN (Cream) — Platzhalter mit Foto-Brief
   ============================================================ */
.refs-sec {
  background: var(--cream);
  padding: 112px 0;
  border-bottom: 1px solid var(--line);
}
.refs-sec .head {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px; align-items: end;
  margin-bottom: 56px;
}
.refs-sec .head h2 {
  font-size: clamp(36px, 4vw, 52px);
  margin: 16px 0 0; max-width: 18ch;
}
.refs-sec .head p {
  font-size: 15px; color: var(--muted); margin: 0; max-width: 42ch;
}
.refs-sec .placeholder-banner {
  background: var(--paper);
  border: 1px dashed var(--strang-orange);
  padding: 16px 20px;
  font-size: 13px;
  color: var(--strang-orange-deep);
  margin-bottom: 32px;
  letter-spacing: 0.01em;
  display: flex; align-items: center; gap: 12px;
}
.refs-sec .placeholder-banner strong {
  color: var(--strang-orange);
  letter-spacing: 0.22em; text-transform: uppercase; font-size: 10px;
}
.refs-sec .grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.refs-sec .card {
  background: var(--paper);
  border: 1px solid var(--line);
  display: flex; flex-direction: column;
}
.refs-sec .card .branche {
  padding: 16px 24px 12px;
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--strang-orange); font-weight: 700;
  border-bottom: 1px solid var(--line);
}
.refs-sec .card .photo {
  aspect-ratio: 16 / 10;
  background: repeating-linear-gradient(45deg, var(--navy-200) 0 22px, var(--navy-100) 22px 44px);
  position: relative;
  display: flex; align-items: flex-end;
}
.refs-sec .card .photo .ph-tag {
  font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--cream); font-weight: 700;
  padding: 8px 12px; background: rgba(14,27,61,.75);
}
.refs-sec .card .body { padding: 24px 24px 0; flex: 1; }
.refs-sec .card h3 {
  font-family: var(--font-headline);
  font-weight: 800; font-style: normal;
  font-size: 20px; letter-spacing: -0.02em; line-height: 1.2;
  margin: 0 0 12px;
}
.refs-sec .card .body p {
  margin: 0; font-size: 14px; color: var(--muted); line-height: 1.55;
}
.refs-sec .card .specs {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  margin-top: 24px;
}
.refs-sec .card .specs div {
  padding: 14px 16px;
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px; color: var(--muted);
  letter-spacing: 0.04em;
}
.refs-sec .card .specs div:last-child { border-right: 0; }
.refs-sec .card .specs div b {
  display: block;
  color: var(--ink);
  font-family: var(--font-headline);
  font-weight: 800;
  font-style: normal;
  font-size: 16px;
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}

/* ============================================================
   CTA-BAND (Navy-Deep, zentriert)
   ============================================================ */
.cta-band {
  background: var(--navy-900);
  color: var(--cream);
  padding: 112px 0;
  text-align: center;
}
.cta-band h2 {
  font-size: clamp(36px, 4.5vw, 56px);
  color: var(--cream);
  max-width: 24ch;
  margin: 20px auto 0;
}
.cta-band .lede {
  margin: 28px auto 36px;
  max-width: 64ch;
  font-size: 16px;
  color: rgba(250,247,242,0.7);
}
.cta-band .ctas {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}
.cta-band .eyebrow { justify-content: center; display: inline-flex; }

/* ============================================================
   NOTDIENST-STREIFEN (Orange-Akzent)
   ============================================================ */
.notstreifen { background: var(--strang-orange); color: #fff; }
.notstreifen .container {
  padding-top: 22px; padding-bottom: 22px;
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.notstreifen .label {
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  font-weight: 800;
  padding-right: 20px;
  border-right: 1px solid rgba(255,255,255,0.35);
}
.notstreifen p {
  margin: 0; flex: 1; font-size: 15px; font-weight: 600;
  max-width: none;
}
.notstreifen a.tel {
  color: #fff; text-decoration: none;
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.015em;
}
.notstreifen a.tel:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .hero .grid,
  .fgas .head, .anw .head, .atypes .head, .ablauf .head,
  .zerts .head, .refs-sec .head { grid-template-columns: 1fr; }
  .fgas .cards, .anw .grid, .atypes .grid { grid-template-columns: 1fr; }
  .anw .card, .atypes .card, .fgas .card { border-right: 0; border-bottom: 1px solid var(--line); }
  .statband .grid { grid-template-columns: repeat(2, 1fr); }
  .statband .cell:nth-child(2) { border-right: 0; }
  .statband .cell:nth-child(1), .statband .cell:nth-child(2) {
    border-bottom: 1px solid var(--line);
  }
  .ablauf .timeline { grid-template-columns: 1fr; gap: 32px; }
  .ablauf .timeline::before { display: none; }
  .refs-sec .grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .hero { padding: 56px 0 72px; }
  .fgas, .anw, .atypes, .ablauf, .refs-sec, .cta-band { padding: 72px 0; }
  .statband .grid { grid-template-columns: 1fr; }
  .statband .cell { border-right: 0; border-bottom: 1px solid var(--line); }
}