/*
Theme Name:  Installateurausschuss Offenbach — Light Utility
Theme URI:   https://installateurausschuss.de
Author:      Installateurausschuss Stadt- und Kreis Offenbach
Description: Light Utility Theme — weißer Hintergrund, maximale Lesbarkeit, farbige Akzente Gas/Wasser/Fernwärme
Version:     4.0.0
License:     GNU General Public License v2 or later
Text Domain: installateurausschuss
Tags:        light, custom-colors, custom-logo, full-width-template, responsive-layout
*/

/* ============================================================
   TOKENS
   ============================================================ */
:root {
  --gas:       #E85D04;
  --gas-lt:    #FB8500;
  --gas-bg:    #FFF4ED;
  --water:     #0077B6;
  --water-lt:  #0096C7;
  --water-bg:  #EBF5FC;
  --energy:    #D4A017;
  --energy-lt: #F5C400;
  --energy-bg: #FEFAE8;
  --green:     #1A7A3C;
  --green-bg:  #EAF7EF;

  --bg:        #F4F8FC;
  --surface:   #FFFFFF;
  --nav-bg:    #FFFFFF;
  --border:    #DDE8F2;
  --border-hi: #B8D0E8;

  --ink:       #0A1F36;
  --ink-2:     #2A4A6A;
  --ink-3:     #4A6A8A;
  --ink-4:     #8AAABF;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Mono', monospace;
  background: var(--bg);
  color: var(--ink);
  overflow-x: hidden;
  line-height: 1.7;
  font-size: 15px;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp   { from { opacity:0; transform:translateY(14px) } to { opacity:1; transform:translateY(0) } }
@keyframes slideIn  { from { opacity:0; transform:translateX(20px) } to { opacity:1; transform:translateX(0) } }
@keyframes blink    { 0%,100%{opacity:1} 50%{opacity:.3} }
@keyframes bar-grow { from { transform:scaleY(0) } to { transform:scaleY(1) } }

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-header {
  background: var(--nav-bg);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 1px 12px rgba(0,60,120,.06);
}
.site-header::after {
  content: ''; display: block; height: 3px;
  background: linear-gradient(90deg, var(--water) 0%, var(--water-lt) 33%, var(--gas) 66%, var(--energy-lt) 100%);
}
.nav-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2.5rem; height: 58px;
}
.site-logo-link {
  font-family: 'Syne', sans-serif;
  font-size: 1rem; font-weight: 800;
  color: var(--ink); letter-spacing: .04em;
  text-decoration: none; text-transform: uppercase;
  display: flex; align-items: center; gap: .6rem;
}
.site-logo-link .logo-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--water);
  animation: blink 3s ease-in-out infinite;
}
.site-logo-link span { color: var(--water); }
.main-navigation ul  { display:flex; list-style:none; gap:0; }
.main-navigation a {
  display: block; padding: .55rem .75rem;
  color: var(--ink-3); text-decoration: none;
  font-size: .76rem; letter-spacing: .08em; text-transform: uppercase;
  transition: color .2s, background .2s; border-radius: 3px; font-weight: 500;
}
.main-navigation a:hover,
.main-navigation .current-menu-item > a {
  color: var(--water); background: var(--water-bg);
}

/* ============================================================
   HERO
   ============================================================ */
.hero-section {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
/* subtle dot-grid background */
.hero-section::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, rgba(0,119,182,.12) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: 0 0;
  opacity: .5;
}
.hero-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 5rem 2.5rem 4rem;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
  position: relative; z-index: 1;
  animation: fadeUp .6s ease both;
}
.hero-eyebrow {
  font-size: .8rem; letter-spacing: .18em; text-transform: uppercase;
  color: var(--water); margin-bottom: 1.4rem;
  display: flex; align-items: center; gap: .7rem;
  font-weight: 500;
}
.hero-eyebrow::before { content:''; width:28px; height:1px; background:var(--water); }
.hero-h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.9rem, 3.5vw, 3.2rem);
  font-weight: 700; line-height: 1.1;
  color: var(--ink); text-transform: uppercase; letter-spacing: .01em;
  margin-bottom: 1.8rem;
}
.hero-h1 .accent { color: var(--water); }
.hero-h1 .accent-gas { color: var(--gas); }

.stripe-bar {
  height: 4px; width: 72px; border-radius: 2px;
  background: linear-gradient(90deg, var(--water) 33%, var(--gas) 33%, var(--gas) 66%, var(--energy-lt) 66%);
  margin-bottom: 1.6rem;
}
.hero-desc {
  font-size: .95rem; color: var(--ink-3); line-height: 1.9;
  max-width: 440px; margin-bottom: 2.4rem;
}
.hero-cta { display:flex; gap:.8rem; flex-wrap:wrap; align-items:center; }
.btn-primary {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 1.6rem; background: var(--water); color: #fff;
  text-decoration: none; font-family: 'DM Mono', monospace;
  font-size: .85rem; letter-spacing: .08em; text-transform: uppercase;
  border-radius: 3px; border: 1px solid var(--water);
  transition: background .2s, transform .15s; font-weight: 500;
}
.btn-primary:hover { background: #005f8a; transform: translateY(-2px); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 1.6rem; background: transparent; color: var(--ink-2);
  text-decoration: none; font-family: 'DM Mono', monospace;
  font-size: .85rem; letter-spacing: .08em; text-transform: uppercase;
  border-radius: 3px; border: 1px solid var(--border-hi);
  transition: border-color .2s, background .2s; font-weight: 500;
}
.btn-secondary:hover { border-color: var(--water); background: var(--water-bg); color: var(--water); }

/* Hero right — info tiles */
.hero-right {
  display: flex; flex-direction: column; gap: .8rem;
  animation: slideIn .7s ease both .15s;
}
.hero-tile {
  background: var(--surface); border-radius: 6px;
  border: 1px solid var(--border); border-left: 4px solid;
  padding: 1.1rem 1.3rem;
  display: flex; align-items: center; justify-content: space-between;
  text-decoration: none; color: var(--ink);
  transition: transform .2s, box-shadow .2s, border-color .2s;
  box-shadow: 0 1px 4px rgba(0,60,120,.05);
}
.hero-tile:hover { transform: translateX(4px); box-shadow: 0 4px 16px rgba(0,60,120,.1); }
.hero-tile.t-gas    { border-left-color: var(--gas); }
.hero-tile.t-water  { border-left-color: var(--water); }
.hero-tile.t-energy { border-left-color: var(--energy-lt); }
.hero-tile.t-gas:hover    { border-color: var(--gas);  border-left-color: var(--gas); }
.hero-tile.t-water:hover  { border-color: var(--water-lt); border-left-color: var(--water); }
.hero-tile.t-energy:hover { border-color: var(--energy-lt); border-left-color: var(--energy-lt); }
.tile-content {}
.tile-name {
  font-family: 'Syne', sans-serif; font-weight: 700;
  font-size: .95rem; text-transform: uppercase; letter-spacing: .06em;
}
.t-gas    .tile-name { color: var(--gas); }
.t-water  .tile-name { color: var(--water); }
.t-energy .tile-name { color: var(--energy); }
.tile-sub { font-size: .78rem; color: var(--ink-4); margin-top: .15rem; letter-spacing: .03em; }
.tile-arrow { font-size: .9rem; color: var(--ink-4); transition: color .2s; }
.hero-tile:hover .tile-arrow { color: var(--ink-2); }

/* Hero bar */
.hero-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--water) 0%, var(--water-lt) 33%, var(--gas) 66%, var(--energy-lt) 100%);
}

/* Hero illustration */
.hero-illustration {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 6px 32px rgba(0,60,120,.12), 0 2px 8px rgba(0,60,120,.06);
  border: 1px solid var(--border);
  animation: slideIn .7s ease both .1s;
  aspect-ratio: 4 / 3;
}
.hero-illustration img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}
/* Farbstreifen unten */
.hero-illustration::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 6px;
  background: linear-gradient(90deg,
    var(--water) 0%, var(--water) 33%,
    var(--gas) 33%, var(--gas) 66%,
    var(--energy-lt) 66%);
  pointer-events: none;
}

/* Tiles row below illustration */
.hero-tiles-row {
  display: flex; flex-direction: column; gap: .65rem;
  animation: slideIn .7s ease both .25s;
}

/* ============================================================
   COLOUR STRIP
   ============================================================ */
.ia-strip { display: grid; grid-template-columns: repeat(3,1fr); }
.strip-cell {
  padding: 1.4rem 2rem; display: flex; align-items: center; gap: 1.1rem;
  position: relative; overflow: hidden;
}
.strip-cell.sc-gas    { background: var(--gas); }
.strip-cell.sc-water  { background: var(--water); }
.strip-cell.sc-energy { background: var(--energy-lt); }
/* shimmer on hover */
.strip-cell::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.12) 0%, transparent 60%);
  pointer-events: none;
}
.sc-icon { flex-shrink: 0; }
.sc-label {
  font-family: 'Syne', sans-serif; font-weight: 800;
  font-size: 1.1rem; text-transform: uppercase; letter-spacing: .06em;
}
.strip-cell.sc-gas    .sc-label,
.strip-cell.sc-water  .sc-label { color: #fff; }
.strip-cell.sc-energy .sc-label { color: var(--ink); }
.sc-sub { font-size: .8rem; margin-top: .15rem; letter-spacing: .02em; }
.strip-cell.sc-gas    .sc-sub,
.strip-cell.sc-water  .sc-sub { color: rgba(255,255,255,.75); }
.strip-cell.sc-energy .sc-sub { color: rgba(10,31,54,.6); }

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.ia-main-wrap {
  max-width: 1280px; margin: 0 auto;
  padding: 4.5rem 2.5rem 5rem;
  display: grid; grid-template-columns: 2fr 1fr; gap: 3.5rem;
}
.section-eyebrow {
  font-size: .78rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--water); margin-bottom: .5rem; font-weight: 500;
  display: flex; align-items: center; gap: .6rem;
}
.section-eyebrow::before { content:''; width:18px; height:1px; background:var(--water); }
.section-title {
  font-family: 'Syne', sans-serif; font-weight: 800;
  font-size: 1.9rem; text-transform: uppercase; letter-spacing: .02em;
  color: var(--ink); margin-bottom: 1.8rem;
}

/* ============================================================
   CARDS
   ============================================================ */
.card-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: .85rem; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-left: 4px solid; border-radius: 4px; padding: 1.4rem;
  text-decoration: none; color: var(--ink);
  display: flex; flex-direction: column; gap: .5rem;
  position: relative; overflow: hidden;
  transition: transform .2s, box-shadow .2s, border-color .2s;
  box-shadow: 0 1px 4px rgba(0,60,120,.05);
  animation: fadeUp .4s ease both;
}
.card:hover {
  transform: translateX(3px);
  box-shadow: 0 6px 20px rgba(0,60,120,.1);
}
.card.c-gas    { border-left-color: var(--gas); }
.card.c-water  { border-left-color: var(--water); }
.card.c-energy { border-left-color: var(--energy-lt); }
.card.c-green  { border-left-color: var(--green); }
.card.c-gas:hover    { border-color: var(--gas);   border-left-color: var(--gas); }
.card.c-water:hover  { border-color: var(--water-lt); border-left-color: var(--water); }
.card.c-energy:hover { border-color: var(--energy-lt); border-left-color: var(--energy-lt); }
.card.c-green:hover  { border-color: var(--green); border-left-color: var(--green); }

.card:nth-child(1){animation-delay:.05s} .card:nth-child(2){animation-delay:.1s}
.card:nth-child(3){animation-delay:.16s} .card:nth-child(4){animation-delay:.22s}
.card:nth-child(5){animation-delay:.28s} .card:nth-child(6){animation-delay:.34s}

.card-tag {
  display: inline-block; font-size: .7rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .22rem .65rem; border-radius: 2px; margin-bottom: .3rem;
}
.c-gas    .card-tag { background: var(--gas-bg);    color: var(--gas); }
.c-water  .card-tag { background: var(--water-bg);  color: var(--water); }
.c-energy .card-tag { background: var(--energy-bg); color: var(--energy); }
.c-green  .card-tag { background: var(--green-bg);  color: var(--green); }

.card h3 {
  font-family: 'Syne', sans-serif; font-weight: 700;
  font-size: 1.05rem; text-transform: uppercase; letter-spacing: .03em; color: var(--ink);
}
.card p { font-size: .86rem; color: var(--ink-3); line-height: 1.7; }
.card-arrow {
  margin-top: auto; font-size: .78rem; color: var(--ink-4);
  letter-spacing: .06em; text-transform: uppercase; transition: color .2s;
}
.card:hover .card-arrow { color: var(--ink-2); }

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar { display: flex; flex-direction: column; gap: 1rem; }
.sbox {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 4px; overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,60,120,.05);
}
.sbox-head {
  padding: .8rem 1.1rem; display: flex; align-items: center; gap: .6rem;
  border-bottom: 1px solid var(--border);
  font-family: 'DM Mono', monospace; font-weight: 600;
  font-size: .8rem; letter-spacing: .08em; text-transform: uppercase;
}
.sbox-head svg { width: 13px; height: 13px; flex-shrink: 0; }
.sbox-head.h-water  { color: var(--water);  background: var(--water-bg); }
.sbox-head.h-gas    { color: var(--gas);    background: var(--gas-bg); }
.sbox-head.h-energy { color: var(--energy); background: var(--energy-bg); }
.sbox-body {
  padding: 1rem 1.1rem; font-size: .88rem; line-height: 1.85; color: var(--ink-3);
}
.sbox-body strong { color: var(--ink); }
.sbox-body a {
  display: block; margin-top: .45rem; color: var(--water);
  font-size: .82rem; text-decoration: none; letter-spacing: .03em;
}
.sbox-body a:hover { text-decoration: underline; }
.status-bar {
  padding: .55rem 1.1rem; border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: .5rem;
  font-size: .72rem; color: var(--ink-4); letter-spacing: .08em; text-transform: uppercase;
}
.sdot { width: 6px; height: 6px; border-radius: 50%; background: #1A7A3C; animation: blink 3s infinite; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--ink); color: rgba(255,255,255,.55);
  padding: 3rem 2.5rem 1.5rem;
  border-top: 3px solid var(--water);
}
.site-footer::before {
  content: ''; display: block; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.15), transparent);
  margin-bottom: 2rem;
}
.footer-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
.footer-brand {
  font-family: 'Syne', sans-serif; font-weight: 800;
  font-size: .9rem; text-transform: uppercase; letter-spacing: .06em; color: #fff;
}
.footer-brand span { color: var(--energy-lt); }
.footer-links { display:flex; gap:1.5rem; list-style:none; }
.footer-links a { color: rgba(255,255,255,.45); text-decoration:none; font-size:.7rem; letter-spacing:.08em; text-transform:uppercase; }
.footer-links a:hover { color: #fff; }
.footer-bar {
  max-width: 1280px; margin: 1.5rem auto 0;
  padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.08);
  font-size: .65rem; text-align: center; color: rgba(255,255,255,.25); letter-spacing: .06em;
}

/* ============================================================
   WORDPRESS CORE
   ============================================================ */
a { color: var(--water); }
p { line-height: 1.85; margin-bottom: 1.1rem; color: var(--ink-3); font-size: 1rem; }
h1,h2,h3,h4,h5,h6 { font-family:'Syne',sans-serif; color:var(--ink); line-height:1.2; text-transform:uppercase; }
h2 { font-size: 1.6rem; font-weight: 700; margin-bottom: 1rem; }
h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: .7rem; }
h4 { font-size: 1rem;   font-weight: 700; margin-bottom: .5rem; }
li { font-size: 1rem; line-height: 1.8; color: var(--ink-3); }
.wp-block-image img { max-width:100%; height:auto; }
.alignwide  { max-width:1280px; margin-left:auto; margin-right:auto; }
.alignfull  { width:100%; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .nav-inner    { padding: 0 1.5rem; }
  .hero-inner   { grid-template-columns: 1fr; padding: 3rem 1.5rem; }
  .hero-right   { width: 100%; }
  .ia-strip     { grid-template-columns: 1fr; }
  .ia-main-wrap { grid-template-columns: 1fr; padding: 3rem 1.5rem; }
  .main-navigation { display: none; }
  .site-footer  { padding: 2rem 1.5rem; }
}
@media (max-width: 560px) { .card-grid { grid-template-columns: 1fr; } }