/*
Theme Name: BTH Ingenieure
Theme URI: https://bth-rhede.de
Author: B.T.H-Ingenieure
Author URI: https://bth-rhede.de
Description: One-Page-Website fuer B.T.H-Ingenieure - Ingenieurbuero fuer Baustatik, Baukonstruktion und Bauphysik in Rhede.
Version: 3.3
Requires at least: 5.8
Requires PHP: 7.4
Text Domain: bth-ingenieure
*/

  :root{
    --red:#A70022;
    --dark:#1c1c1c;
    --gray:#5c5c5c;
    --lgray:#8a8a8a;
    --bg-soft:#f7f5f4;
    --line:#e4e0de;
    --white:#ffffff;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:'Helvetica Neue', Arial, sans-serif;
    color:var(--dark);
    background:var(--white);
    line-height:1.6;
  }
  img{max-width:100%; display:block;}
  a{color:inherit; text-decoration:none;}
  .container{max-width:1180px; margin:0 auto; padding:0 24px;}
  section{padding:88px 0;}
  h1,h2,h3{font-weight:800; letter-spacing:.3px;}
  h2.section-title{
    font-size:1.9rem;
    text-transform:uppercase;
    letter-spacing:1.5px;
    margin-bottom:8px;
  }
  .kicker{
    color:var(--red);
    text-transform:uppercase;
    font-size:.8rem;
    letter-spacing:2.5px;
    font-weight:700;
    margin-bottom:10px;
    display:block;
  }
  .section-intro{color:var(--gray); max-width:640px; margin-bottom:48px;}
  .rule{width:60px; height:3px; background:var(--red); margin:18px 0 34px;}

  /* ---------- HEADER ---------- */
  header{
    position:sticky; top:0; z-index:100;
    background:rgba(255,255,255,.97);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(6px);
  }
  .nav-wrap{
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 24px; max-width:1180px; margin:0 auto;
  }
  .logo{font-size:1.35rem; font-weight:800; white-space:nowrap;}
  .logo .dot{color:var(--red);}
  .logo .brand{letter-spacing:3px; margin-left:6px;}
  nav ul{list-style:none; display:flex; gap:28px; flex-wrap:wrap;}
  nav a{
    font-size:.82rem; font-weight:700; text-transform:uppercase;
    letter-spacing:.8px; color:var(--dark); position:relative; padding:4px 0;
  }
  nav a:hover{color:var(--red);}
  .nav-toggle{display:none; flex-direction:column; gap:5px; cursor:pointer; background:none; border:none;}
  .nav-toggle span{width:26px; height:2px; background:var(--dark);}

  /* ---------- HERO ---------- */
  .hero{
    position:relative;
    min-height:88vh;
    display:flex; align-items:center;
    background:linear-gradient(120deg, rgba(15,15,15,.86), rgba(15,15,15,.72)), url('images/planung.jpg') center/cover no-repeat;
    color:var(--white);
  }
  .hero .container{max-width:760px;}
  .hero .kicker{color:#e7a5ae;}
  .hero h1{
    font-size:clamp(2.1rem, 4.6vw, 3.4rem);
    line-height:1.15;
    margin-bottom:22px;
  }
  .hero h1 span{color:var(--red);}
  .hero p{font-size:1.08rem; color:#e7e4e2; max-width:560px; margin-bottom:34px;}
  .hero p .dot{color:var(--red);}
  .btn-row{display:flex; gap:16px; flex-wrap:wrap;}
  .btn{
    display:inline-block; padding:14px 30px; font-weight:700; font-size:.85rem;
    text-transform:uppercase; letter-spacing:1px; border:2px solid transparent; cursor:pointer;
    transition:all .2s ease;
  }
  .btn-primary{background:var(--red); color:var(--white);}
  .btn-primary:hover{background:#8a001b;}
  .btn-outline{border-color:rgba(255,255,255,.6); color:var(--white);}
  .btn-outline:hover{background:rgba(255,255,255,.12);}

  .hero-strip{
    position:absolute; left:0; right:0; bottom:0;
    background:rgba(0,0,0,.55);
    border-top:3px solid var(--red);
    padding:14px 0;
    font-size:.78rem; letter-spacing:1.5px; text-transform:uppercase; color:#f1eeed;
  }
  .hero-strip .container{display:flex; gap:28px; flex-wrap:wrap; justify-content:center; max-width:1180px;}
  @media (min-width:701px){
    .hero-strip .container{flex-wrap:nowrap; white-space:nowrap;}
  }

  /* ---------- BÜRO ---------- */
  .buero{background:var(--white);}
  .buero-grid{display:grid; grid-template-columns:1.05fr 1fr; gap:60px; align-items:center;}
  .buero-grid img{border:1px solid var(--line);}
  .team{display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:30px;}
  .team-card{border:1px solid var(--line); overflow:hidden; display:flex; flex-direction:column;}
  .team-card .team-photo{width:100%; height:230px; object-fit:cover; object-position:top center; display:block;}
  .team-card .team-info{padding:16px 18px; border-left:4px solid var(--red);}
  .team-card h4{font-size:1rem; margin-bottom:4px;}
  .team-card span{font-size:.82rem; color:var(--gray);}
  .team-card .team-contact{display:block; margin-top:4px;}
  .team-card .team-contact a{color:var(--dark); border-bottom:1px solid var(--red);}
  .team-card .team-contact a:hover{color:var(--red);}
  .qr-card{
    display:flex; align-items:center; gap:20px; border:1px solid var(--line);
    border-left:4px solid var(--red); padding:18px 20px; margin-top:20px;
  }
  .qr-card img{width:92px; height:92px; flex-shrink:0; border:1px solid var(--line);}
  .qr-card h4{font-size:.95rem; margin-bottom:4px;}
  .qr-card p{font-size:.82rem; color:var(--gray);}
  @media (max-width:480px){
    .qr-card{flex-direction:column; align-items:flex-start; text-align:left;}
  }

  /* ---------- LEISTUNGEN ---------- */
  .leistungen{background:var(--bg-soft);}
  .leist-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:2px; background:var(--line); border:1px solid var(--line); margin-bottom:56px;}
  .leist-img{background:var(--white); overflow:hidden; position:relative; height:230px;}
  .leist-img .slide{
    position:absolute; top:0; left:0; width:100%; height:100%; object-fit:cover;
    opacity:0; transition:opacity 1.1s ease, transform .4s ease; z-index:0;
  }
  .leist-img .slide.active{opacity:1; z-index:1;}
  .leist-img:hover .slide.active{transform:scale(1.06);}
  .leist-img .cap{
    position:absolute; left:0; bottom:0; right:0; z-index:2;
    background:linear-gradient(0deg, rgba(0,0,0,.72), transparent);
    color:#fff; padding:14px 16px; font-weight:700; letter-spacing:.5px; font-size:.95rem; text-transform:uppercase;
  }
  .leist-img .dots{
    position:absolute; top:12px; right:12px; z-index:2; display:flex; gap:5px;
  }
  .leist-img .dots span{width:6px; height:6px; border-radius:50%; background:rgba(255,255,255,.45); transition:background .3s ease;}
  .leist-img .dots span.active{background:#fff;}
  .leist-cols{display:grid; grid-template-columns:1fr 1fr; gap:50px;}
  .leist-col h3{
    font-size:1.1rem; text-transform:uppercase; letter-spacing:.8px;
    border-bottom:2px solid var(--red); padding-bottom:12px; margin-bottom:16px;
  }
  .leist-col ul{list-style:none;}
  .leist-col li{
    padding:10px 0 10px 22px; border-bottom:1px solid var(--line);
    position:relative; color:var(--gray); font-size:.95rem;
  }
  .leist-col li:before{
    content:"—"; position:absolute; left:0; color:var(--red); font-weight:700;
  }

  /* ---------- REFERENZEN ---------- */
  .referenzen{background:var(--dark); color:#eee;}
  .referenzen .kicker{color:#e7a5ae;}
  .referenzen h2{color:#fff;}
  .referenzen .section-intro{color:#c7c3c1;}
  .ref-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:36px 44px;}
  .ref-col h4{
    color:var(--white); font-size:.92rem; text-transform:uppercase; letter-spacing:.8px;
    margin-bottom:14px; padding-bottom:10px; border-bottom:1px solid rgba(255,255,255,.18);
  }
  .ref-col ul{list-style:none;}
  .ref-col li{
    font-size:.88rem; color:#bdb9b7; padding:5px 0 5px 16px; position:relative;
  }
  .ref-col li:before{content:"·"; color:var(--red); position:absolute; left:0; font-weight:900; font-size:1.1rem; line-height:1;}

  /* ---------- KONTAKT ---------- */
  .kontakt{background:var(--bg-soft);}
  .kontakt-grid{display:grid; grid-template-columns:1fr 1.1fr; gap:50px;}
  .kontakt-info dl{display:grid; grid-template-columns:auto 1fr; gap:10px 16px; margin-top:20px; font-size:.98rem;}
  .kontakt-info dt{color:var(--red); font-weight:700; text-transform:uppercase; font-size:.78rem; letter-spacing:.6px; padding-top:2px;}
  .kontakt-info dd{color:var(--dark);}
  .kontakt-info a{color:var(--dark); border-bottom:1px solid var(--red);}
  .map-frame{border:1px solid var(--line); min-height:340px; background:#ddd;}
  .map-frame iframe{width:100%; height:100%; min-height:340px; border:0;}

  /* ---------- FOOTER / IMPRESSUM ---------- */
  footer{background:var(--dark); color:#a8a4a2; padding:60px 0 30px; font-size:.85rem;}
  .footer-grid{display:grid; grid-template-columns:1.2fr 1fr 1fr; gap:40px; margin-bottom:40px;}
  footer h5{color:#fff; font-size:.82rem; text-transform:uppercase; letter-spacing:1px; margin-bottom:16px;}
  footer p, footer li{color:#a8a4a2; line-height:1.8;}
  footer ul{list-style:none;}
  footer a:hover{color:#fff;}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12); padding-top:22px;
    display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:.78rem; color:#777;
  }

  @media (max-width:900px){
    .buero-grid, .leist-cols, .kontakt-grid{grid-template-columns:1fr;}
    .leist-grid{grid-template-columns:1fr 1fr;}
    .ref-grid{grid-template-columns:1fr 1fr;}
    .footer-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:700px){
    nav ul{
      position:absolute; top:100%; left:0; right:0; background:#fff;
      flex-direction:column; padding:20px 24px; gap:16px; border-bottom:1px solid var(--line);
      display:none;
    }
    nav ul.open{display:flex;}
    .nav-toggle{display:flex;}
    .leist-grid{grid-template-columns:1fr;}
    .ref-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr;}
    section{padding:60px 0;}
    .hero{display:block; min-height:0;}
    .hero-strip{position:static; margin-top:0;}
    .hero .container{padding-top:48px; padding-bottom:48px;}
  }