/* ============================================================
   Installateur-Ausschuss Offenbach — main.css  v2.0
   Vollständig responsiv: Desktop, Tablet, Smartphone
   ============================================================ */

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px; line-height: 1.6; color: #1a1a18; background: #fff;
}
img { max-width: 100%; height: auto; display: block; }
a   { color: #185FA5; text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Tokens ───────────────────────────────────────────────── */
:root {
  --blue:      #185FA5;
  --blue-dk:   #0C447C;
  --blue-lt:   #E6F1FB;
  --blue-mid:  #B5D4F4;
  --teal:      #0F6E56;
  --teal-lt:   #E1F5EE;
  --coral:     #993C1D;
  --coral-lt:  #FAECE7;
  --gray:      #5F5E5A;
  --gray-lt:   #F1EFE8;
  --border:    rgba(0,0,0,.09);
  --max:       1160px;
  --nav-h:     64px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

/* ── Container ────────────────────────────────────────────── */
.ia-wrap { max-width: var(--max); margin: 0 auto; padding: 0 32px; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.ia-nav {
  position: sticky; top: 0; z-index: 200;
  height: var(--nav-h); background: #fff;
  border-bottom: 1px solid var(--border);
}
.ia-nav__inner {
  max-width: var(--max); margin: 0 auto; padding: 0 32px;
  height: 100%; display: flex; align-items: center; gap: 20px;
}

/* Logo */
.ia-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; text-decoration: none !important; }
.ia-logo__mark {
  width: 38px; height: 38px; background: var(--blue);
  border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.ia-logo__mark svg { width: 20px; height: 20px; fill: #fff; }
.ia-logo__name { font-size: 14px; font-weight: 700; color: #1a1a18; line-height: 1.2; }
.ia-logo__sub  { font-size: 11px; color: var(--gray); font-weight: 400; }

/* Menü */
.ia-nav__menu { display: flex; gap: 2px; flex: 1; list-style: none; }
.ia-nav__menu a {
  display: block; font-size: 13px; font-weight: 500;
  padding: 6px 12px; border-radius: 6px;
  color: var(--gray); transition: background .15s, color .15s;
  text-decoration: none;
}
.ia-nav__menu a:hover,
.ia-nav__menu .current-menu-item > a { background: var(--blue-lt); color: var(--blue); }

/* CTA-Button */
.ia-nav__cta {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 20px; background: var(--blue); color: #fff !important;
  border-radius: 7px; font-size: 13px; font-weight: 600;
  flex-shrink: 0; transition: background .15s; text-decoration: none !important;
}
.ia-nav__cta:hover { background: var(--blue-dk); }
.ia-nav__cta svg { width: 15px; height: 15px; }

/* Hamburger-Button (Mobil) */
.ia-nav__hamburger {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; background: none; border: none; cursor: pointer;
  padding: 8px; margin-left: auto; border-radius: 6px;
  transition: background .15s;
}
.ia-nav__hamburger:hover { background: var(--gray-lt); }
.ia-nav__hamburger span {
  display: block; width: 22px; height: 2px;
  background: #1a1a18; border-radius: 2px;
  transition: transform .25s, opacity .2s;
}
.ia-nav__hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.ia-nav__hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.ia-nav__hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobil-Drawer */
.ia-nav__drawer {
  display: none; position: fixed;
  top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: #fff; z-index: 190;
  padding: 24px 24px 40px;
  overflow-y: auto;
  flex-direction: column; gap: 6px;
  border-top: 1px solid var(--border);
}
.ia-nav__drawer.is-open { display: flex; }
.ia-nav__drawer a {
  display: block; font-size: 16px; font-weight: 600;
  padding: 12px 16px; border-radius: 8px;
  color: #1a1a18; transition: background .15s;
  text-decoration: none;
}
.ia-nav__drawer a:hover { background: var(--blue-lt); color: var(--blue); }
.ia-nav__drawer .drawer-cta {
  margin-top: 16px; background: var(--blue); color: #fff !important;
  text-align: center; border-radius: 8px; padding: 14px;
  font-size: 15px;
}
.ia-nav__drawer .drawer-cta:hover { background: var(--blue-dk); }

/* ============================================================
   HERO
   ============================================================ */
.ia-hero-outer {
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.ia-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 480px;
  max-height: 560px;
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}

/* Hero: Text-Seite */
.ia-hero__left {
  display: flex; flex-direction: column; justify-content: center;
  padding: 48px 56px 48px 32px;
  background: #fff;
}
.ia-hero__inner { max-width: 520px; }

.ia-hero__badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600; color: var(--blue);
  background: var(--blue-lt); border: 1px solid var(--blue-mid);
  border-radius: 20px; padding: 4px 14px; margin-bottom: 20px;
}
.ia-hero__badge svg { width: 13px; height: 13px; flex-shrink: 0; }

.ia-hero h1 {
  font-size: clamp(22px, 2.8vw, 38px);
  font-weight: 700; line-height: 1.2; color: #0d0d0b;
  margin-bottom: 16px; letter-spacing: -0.5px;
}
.ia-hero h1 em { color: var(--blue); font-style: normal; }

.ia-hero__desc {
  font-size: 15px; color: #555; line-height: 1.75;
  margin-bottom: 28px;
}

.ia-hero__btns { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; }

.ia-sparten-row { display: flex; gap: 10px; flex-wrap: wrap; }
.ia-sp-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: 8px;
  border: 1px solid var(--border); background: #fafafa;
  font-size: 13px; font-weight: 600; color: #222;
}
.ia-sp-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }

/* Hero: Bild-Seite */
.ia-hero__right { position: relative; overflow: hidden; }
.ia-hero__right img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  display: block;
  filter: brightness(.75) saturate(1.1);
}
.ia-hero__right::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(12,68,124,.35) 0%, rgba(15,110,86,.15) 100%);
  pointer-events: none;
}
.ia-hero__stats {
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 2;
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: rgba(8,20,35,.65);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255,255,255,.12);
}
.ia-hstat {
  padding: 16px 12px; text-align: center; color: #fff;
  border-right: 1px solid rgba(255,255,255,.1);
}
.ia-hstat:last-child { border-right: none; }
.ia-hstat__val { font-size: 22px; font-weight: 700; line-height: 1; }
.ia-hstat__lbl { font-size: 10px; opacity: .65; margin-top: 4px; letter-spacing: .4px; }
.ia-img-credit {
  position: absolute; bottom: 68px; right: 10px; z-index: 3;
  font-size: 10px; color: rgba(255,255,255,.45);
}
.ia-img-credit a { color: rgba(255,255,255,.45); }
.ia-img-credit a:hover { color: rgba(255,255,255,.8); }

/* ============================================================
   BUTTONS
   ============================================================ */
.ia-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px; border-radius: 8px;
  font-size: 14px; font-weight: 600; font-family: inherit;
  border: none; cursor: pointer; transition: background .15s, transform .1s;
  text-decoration: none; white-space: nowrap;
}
.ia-btn:active { transform: scale(.98); }
.ia-btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.ia-btn--p { background: var(--blue); color: #fff; }
.ia-btn--p:hover { background: var(--blue-dk); color: #fff; text-decoration: none; }
.ia-btn--s { background: var(--blue-lt); color: var(--blue); border: 1px solid var(--blue-mid); }
.ia-btn--s:hover { background: #d4e8f8; text-decoration: none; }

/* ============================================================
   SEKTIONEN
   ============================================================ */
.ia-section { padding: 72px 0; }
.ia-section--gray { background: #f8f7f3; }

.ia-sh { margin-bottom: 36px; }
.ia-sh h2 { font-size: 26px; font-weight: 700; color: #0d0d0b; margin-bottom: 10px; letter-spacing: -0.3px; }
.ia-sh p  { font-size: 16px; color: var(--gray); max-width: 540px; }

/* ============================================================
   SUCHKARTE
   ============================================================ */
.ia-search-box {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px; margin-bottom: 20px;
  box-shadow: 0 2px 16px rgba(0,0,0,.05);
}
.ia-srow { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.ia-sf   { display: flex; flex-direction: column; gap: 5px; flex: 1; min-width: 160px; }
.ia-sf label { font-size: 12px; font-weight: 700; color: var(--gray); letter-spacing: .3px; }
.ia-input, .ia-select {
  padding: 11px 14px; border: 1.5px solid rgba(0,0,0,.12);
  border-radius: 8px; font-size: 14px; font-family: inherit;
  background: #fafafa; color: #1a1a18; width: 100%;
  transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none; appearance: none;
}
.ia-input:focus, .ia-select:focus {
  outline: none; border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(24,95,165,.12); background: #fff;
}
.ia-rcount { font-size: 12px; color: var(--gray); margin-top: 12px; }

/* ============================================================
   BETRIEBSLISTE – Desktop: Tabelle
   ============================================================ */
.ia-tbl-wrap {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,.04);
}
.ia-tbl-wrap table { width: 100%; border-collapse: collapse; }
.ia-tbl-wrap thead th {
  padding: 12px 16px; text-align: left;
  font-size: 11px; font-weight: 700; letter-spacing: .6px;
  color: var(--gray); text-transform: uppercase;
  background: #f8f7f3; border-bottom: 1px solid var(--border);
}
.ia-tbl-wrap tbody tr { border-bottom: 1px solid var(--border); transition: background .12s; }
.ia-tbl-wrap tbody tr:last-child { border-bottom: none; }
.ia-tbl-wrap tbody tr:hover { background: #fafaf8; }
.ia-tbl-wrap tbody td { padding: 12px 16px; font-size: 13px; color: #1a1a18; vertical-align: middle; }
.td-n { font-weight: 600; }
.td-a { color: var(--gray); font-size: 12px; }
.td-t { font-size: 12px; color: #666; }

/* ============================================================
   BETRIEBSLISTE – Mobil: Karten
   ============================================================ */
.ia-bcard-list { display: none; flex-direction: column; gap: 10px; }
.ia-bcard {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 16px;
}
.ia-bcard__name { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.ia-bcard__addr { font-size: 13px; color: var(--gray); margin-bottom: 10px; }
.ia-bcard__meta { display: flex; flex-direction: column; gap: 5px; font-size: 13px; }
.ia-bcard__meta span { color: var(--gray); }
.ia-bcard__meta strong { color: #1a1a18; font-weight: 600; }

/* Badges */
.ia-bdgs { display: flex; gap: 4px; flex-wrap: wrap; }
.ia-badge {
  font-size: 10px; font-weight: 700; padding: 2px 9px;
  border-radius: 20px; white-space: nowrap; letter-spacing: .2px;
}
.b-g { background: var(--blue-lt);  color: var(--blue-dk); }
.b-w { background: var(--teal-lt);  color: var(--teal); }
.b-f { background: var(--coral-lt); color: var(--coral); }
.b-n { background: var(--gray-lt);  color: var(--gray); font-size: 10px; }

.ia-no-r {
  padding: 40px; text-align: center;
  color: var(--gray); font-size: 14px;
  background: #fff; border: 1px dashed rgba(0,0,0,.12);
  border-radius: var(--radius-md);
}
.ia-no-r svg { margin: 0 auto 10px; display: block; }

/* ============================================================
   SCHNELLZUGRIFF-KARTEN
   ============================================================ */
.ia-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
}
.ia-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 22px;
  transition: border-color .15s, box-shadow .15s, transform .15s;
  text-decoration: none; color: inherit; display: block;
}
.ia-card:hover {
  border-color: var(--blue-mid);
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
  transform: translateY(-3px);
  text-decoration: none;
}
.ia-card-icon {
  width: 44px; height: 44px; border-radius: 10px;
  margin-bottom: 14px; display: flex; align-items: center; justify-content: center;
}
.ia-card-icon svg { width: 22px; height: 22px; }
.ia-card h3 { font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.ia-card p  { font-size: 12px; color: var(--gray); line-height: 1.5; }

/* ============================================================
   ÜBER UNS
   ============================================================ */
.ia-ugrid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.ia-utext h2 { font-size: 26px; font-weight: 700; margin-bottom: 16px; letter-spacing: -0.3px; }
.ia-utext p  { font-size: 15px; color: #555; line-height: 1.75; margin-bottom: 14px; }
.ia-ulist { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.ia-ulist li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: #333; line-height: 1.5;
}
.ia-ulist li::before {
  content: ''; width: 18px; height: 18px; border-radius: 50%;
  background: var(--blue-lt); border: 2px solid var(--blue);
  flex-shrink: 0; margin-top: 2px;
}
.ia-uvis {
  border-radius: 16px;
  background: linear-gradient(135deg, var(--blue-lt), #fff);
  border: 1px solid var(--border); padding: 32px;
  display: flex; flex-direction: column; gap: 12px;
}
.ia-vcard {
  background: #fff; border: 1px solid var(--border);
  border-radius: 10px; padding: 14px 18px;
  display: flex; align-items: center; gap: 12px;
}
.ia-vdot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.ia-vcard p { font-size: 13px; font-weight: 600; }
.ia-vcard small { font-size: 11px; color: var(--gray); }
.ia-contact-box {
  margin-top: 8px; padding: 18px;
  background: var(--blue-lt); border-radius: 10px; border: 1px solid var(--blue-mid);
}
.ia-contact-box .lbl { font-size: 11px; font-weight: 700; color: var(--blue); margin-bottom: 6px; letter-spacing: .4px; }
.ia-contact-box .val { font-size: 13px; color: #333; }

/* ============================================================
   FOOTER
   ============================================================ */
.ia-footer { background: #0d1b2a; color: rgba(255,255,255,.8); padding: 44px 0 28px; }
.ia-footer__inner {
  display: flex; align-items: flex-start;
  justify-content: space-between; gap: 32px; flex-wrap: wrap; margin-bottom: 32px;
}
.ia-footer__col h4 {
  font-size: 11px; font-weight: 700; letter-spacing: .8px;
  text-transform: uppercase; color: rgba(255,255,255,.4); margin-bottom: 12px;
}
.ia-footer__col a {
  display: block; font-size: 13px; color: rgba(255,255,255,.65);
  margin-bottom: 7px; transition: color .15s;
}
.ia-footer__col a:hover { color: #fff; text-decoration: none; }
.ia-footer__bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 8px;
}
.ia-footer__bottom small { font-size: 11px; color: rgba(255,255,255,.35); }

/* ============================================================
   RESPONSIVE — Tablet (≤ 960px)
   ============================================================ */
@media (max-width: 960px) {
  .ia-hero {
    grid-template-columns: 1fr;
    min-height: auto; max-height: none;
  }
  .ia-hero__left  { padding: 40px 24px; }
  .ia-hero__right { min-height: 300px; max-height: 360px; }
  .ia-ugrid { grid-template-columns: 1fr; gap: 36px; }
  .ia-section { padding: 56px 0; }
}

/* ============================================================
   RESPONSIVE — Smartphone (≤ 680px)
   ============================================================ */
@media (max-width: 680px) {
  .ia-wrap { padding: 0 16px; }
  .ia-nav__inner { padding: 0 16px; }

  /* Nav: Menü verstecken, Hamburger zeigen */
  .ia-nav__menu,
  .ia-nav__cta { display: none; }
  .ia-nav__hamburger { display: flex; }

  /* Hero */
  .ia-hero__left { padding: 32px 16px; }
  .ia-hero__inner { max-width: 100%; }
  .ia-hero h1 { font-size: 24px; }
  .ia-hero__desc { font-size: 14px; }
  .ia-hero__btns { gap: 8px; }
  .ia-btn { padding: 10px 18px; font-size: 13px; }
  .ia-hero__right { min-height: 240px; max-height: 280px; }
  .ia-hstat { padding: 12px 8px; }
  .ia-hstat__val { font-size: 18px; }

  /* Suche */
  .ia-sf { min-width: 100%; }
  .ia-srow { flex-direction: column; }

  /* Tabelle → Karten tauschen */
  .ia-tbl-wrap { display: none; }
  .ia-bcard-list { display: flex; }

  /* Karten */
  .ia-cards { grid-template-columns: 1fr 1fr; }
  .ia-card { padding: 16px; }

  /* Über uns */
  .ia-uvis { display: none; }
  .ia-section { padding: 40px 0; }
  .ia-sh h2 { font-size: 22px; }

  /* Footer */
  .ia-footer__inner { flex-direction: column; gap: 24px; }
  .ia-footer__col { width: 100%; }
}

/* ── Sehr kleine Screens (≤ 380px) ──────────────────────── */
@media (max-width: 380px) {
  .ia-cards { grid-template-columns: 1fr; }
  .ia-hero__btns { flex-direction: column; }
  .ia-btn { width: 100%; justify-content: center; }
}