/* ===================================================================
   Wolf-Solar — shared styles
   Palette: white base, teal accent (0,112,150), deep navy-teal for text,
   soft sun-yellow used only as a rare spark, referencing the logo.
=================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap');

:root{
  --white:#ffffff;
  --accent: rgb(0,112,150);
  --accent-dark: rgb(0,84,113);
  --ink:#0b2e3a;
  --ink-soft:#4d6169;
  --hairline:#dde6e9;
  --panel-bg:#f5f9fa;
  --spark:#f2c14e;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--white);
  color:var(--ink);
  font-family:'Inter', sans-serif;
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{
  font-family:'Space Grotesk', sans-serif;
  color:var(--ink);
  margin:0 0 .5em 0;
  line-height:1.15;
  font-weight:600;
}

a{color:var(--accent);}

img{max-width:100%;display:block;}

.wrap{
  max-width:1120px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- Header / nav ---------- */
header.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--hairline);
}
header.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:84px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
}
.brand img{height:52px;width:auto;}

nav.main-nav ul{
  list-style:none;
  display:flex;
  gap:36px;
  margin:0;
  padding:0;
}
nav.main-nav a{
  text-decoration:none;
  color:var(--ink);
  font-size:15px;
  font-weight:500;
  padding:6px 2px;
  border-bottom:2px solid transparent;
  transition:border-color .15s ease, color .15s ease;
}
nav.main-nav a:hover{color:var(--accent);}
nav.main-nav a.active{
  color:var(--accent);
  border-bottom-color:var(--accent);
}

.nav-toggle{display:none;}

/* ---------- Panel-grid motif (references PV panel rows) ---------- */
.grid-rule{
  display:flex;
  height:6px;
  width:100%;
}
.grid-rule span{
  flex:1;
  border-right:1px solid rgba(255,255,255,.35);
}
.grid-rule.accent span{background:var(--accent);}
.grid-rule.light span{background:var(--hairline);}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  color:var(--white);
  min-height:560px;
  display:flex;
  align-items:flex-end;
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(11,46,58,.15) 0%, rgba(11,46,58,.55) 55%, rgba(11,46,58,.88) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding-bottom:64px;
  max-width:640px;
}
.hero-eyebrow{
  color:var(--spark);
  font-size:14px;
  font-weight:500;
  letter-spacing:.02em;
  margin-bottom:14px;
}
.hero h1{
  color:var(--white);
  font-size:44px;
  margin-bottom:18px;
}
.hero p{
  color:#e7eef0;
  font-size:18px;
  max-width:520px;
  margin:0 0 26px 0;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;
  padding:14px 28px;
  background:var(--accent);
  color:var(--white);
  text-decoration:none;
  font-weight:600;
  font-size:15px;
  border-radius:2px;
  transition:background .15s ease;
}
.btn:hover{background:var(--accent-dark);}
.btn.outline{
  background:transparent;
  border:1.5px solid var(--white);
  color:var(--white);
}
.btn.outline:hover{background:rgba(255,255,255,.12);}

/* ---------- Sections ---------- */
section{padding:88px 0;}
section.tight{padding:56px 0;}
section.panel-bg{background:var(--panel-bg);}

.section-head{max-width:620px;margin-bottom:48px;}
.section-head h2{font-size:32px;}
.section-head p{color:var(--ink-soft);font-size:17px;}

.kicker{
  color:var(--accent);
  font-weight:600;
  font-size:14px;
  margin-bottom:10px;
  display:block;
}

/* ---------- Value row (Planung / Ausführung / Wartung) ---------- */
.value-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:40px;
  border-top:1px solid var(--hairline);
  padding-top:40px;
}
.value-row h3{font-size:19px;margin-bottom:10px;}
.value-row p{color:var(--ink-soft);font-size:15.5px;margin:0;}
.value-row .mark{
  width:34px;height:6px;background:var(--accent);margin-bottom:18px;
}

/* ---------- Project cards ---------- */
.project{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:56px;
  align-items:center;
  padding:56px 0;
  border-bottom:1px solid var(--hairline);
}
.project:last-child{border-bottom:none;}
.project.reverse{grid-template-columns:1fr 1.15fr;}
.project.reverse .project-media{order:2;}
.project.reverse .project-copy{order:1;}
.project-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:4/3.2;
}
.project-copy .kicker{margin-bottom:14px;}
.project-copy h3{font-size:24px;margin-bottom:14px;}
.project-copy p{color:var(--ink-soft);font-size:16px;}

/* ---------- Philosophie page ---------- */
.pillars{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:36px;
}
.pillar{
  border-top:3px solid var(--accent);
  padding-top:20px;
}
.pillar h3{font-size:19px;}
.pillar p{color:var(--ink-soft);font-size:15.5px;margin:0;}

.founder{
  display:grid;
  grid-template-columns:340px 1fr;
  gap:56px;
  align-items:center;
}
.founder-photo img{
  width:100%;
  aspect-ratio:1/1;
  object-fit:cover;
  object-position:center 20%;
}
.founder-copy h3{font-size:24px;}
.founder-copy p{color:var(--ink-soft);}
.founder-role{
  color:var(--accent);
  font-weight:600;
  font-size:14.5px;
  display:block;
  margin-bottom:6px;
}

/* ---------- Impressum ---------- */
.imprint-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
}
.imprint-block h3{font-size:16px;text-transform:none;margin-bottom:14px;}
.imprint-block p{color:var(--ink-soft);margin:0 0 6px 0;font-size:15.5px;}
.imprint-block .label{
  color:var(--ink);
  font-weight:600;
  font-size:15px;
  display:block;
  margin-top:22px;
  margin-bottom:6px;
}
.imprint-photo img{
  width:160px;
  aspect-ratio:1/1;
  object-fit:cover;
  border:1px solid var(--hairline);
}

/* ---------- Footer ---------- */
footer{
  border-top:1px solid var(--hairline);
  padding:36px 0;
}
footer .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
}
footer p{
  margin:0;
  color:var(--ink-soft);
  font-size:14px;
}
footer nav ul{
  list-style:none;
  display:flex;
  gap:24px;
  margin:0;padding:0;
}
footer nav a{
  color:var(--ink-soft);
  text-decoration:none;
  font-size:14px;
}
footer nav a:hover{color:var(--accent);}

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  nav.main-nav{
    position:fixed;
    inset:84px 0 0 0;
    background:var(--white);
    transform:translateX(100%);
    transition:transform .2s ease;
    padding:24px 32px;
  }
  nav.main-nav.open{transform:translateX(0);}
  nav.main-nav ul{flex-direction:column;gap:6px;}
  nav.main-nav a{display:block;padding:14px 0;font-size:18px;border-bottom:1px solid var(--hairline);}
  .nav-toggle{
    display:block;
    background:none;border:none;cursor:pointer;
    width:32px;height:24px;position:relative;
  }
  .nav-toggle span,.nav-toggle::before,.nav-toggle::after{
    content:"";position:absolute;left:0;right:0;height:2px;background:var(--ink);
  }
  .nav-toggle span{top:11px;}
  .nav-toggle::before{top:2px;}
  .nav-toggle::after{top:20px;}

  .hero h1{font-size:32px;}
  .value-row{grid-template-columns:1fr;gap:28px;}
  .project,.project.reverse{grid-template-columns:1fr;gap:24px;}
  .project.reverse .project-media,.project.reverse .project-copy{order:0;}
  .pillars{grid-template-columns:1fr;gap:24px;}
  .founder{grid-template-columns:1fr;gap:28px;}
  .founder-photo img{aspect-ratio:16/10;}
  .imprint-grid{grid-template-columns:1fr;gap:36px;}
  section{padding:56px 0;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;}
}