@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Montserrat:wght@500;600;700&display=swap');

:root {
  --green: #3b6b2b;
  --green-2: #668d35;
  --green-3: #87a84c;
  --green-pale: #eef4e9;
  --brown: #5c3819;
  --brown-soft: #7b5939;
  --ink: #1f251d;
  --muted: #667064;
  --line: #dfe6dc;
  --paper: #ffffff;
  --cream: #f7f8f3;
  --shadow: 0 22px 65px rgba(34, 53, 28, .12);
  --shadow-soft: 0 12px 36px rgba(34, 53, 28, .08);
  --radius: 24px;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.section { padding: 104px 0; }
.section-sm { padding: 74px 0; }
.section.alt { background: var(--cream); }
.section.green-wash { background: linear-gradient(135deg, #eff6eb 0%, #f9fbf6 60%, #eef4e9 100%); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--green);
  font-family: 'Montserrat', sans-serif;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.eyebrow::before { content: ''; width: 34px; height: 2px; background: var(--green-2); }
.section-title {
  margin: 0;
  max-width: 800px;
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2.15rem, 4.2vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: -.04em;
}
.section-title.small { font-size: clamp(1.8rem, 3.2vw, 3.2rem); }
.section-copy { max-width: 760px; color: var(--muted); font-size: 1.04rem; }

.topbar {
  background: var(--brown);
  color: #fff;
  font-size: .88rem;
}
.topbar-inner {
  min-height: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.topbar-links, .topbar-meta { display: flex; align-items: center; gap: 22px; }
.topbar a:hover { opacity: .78; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(59,107,43,.10);
}
.nav {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; flex: 0 0 auto; }
.brand img { width: 182px; height: 70px; object-fit: contain; }
.desktop-nav { display: flex; align-items: center; gap: 30px; }
.desktop-nav > a, .nav-drop > button {
  position: relative;
  border: 0;
  background: transparent;
  color: #31392d;
  padding: 32px 0;
  cursor: pointer;
  font-size: .93rem;
  font-weight: 700;
}
.desktop-nav > a::after, .nav-drop > button::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 24px;
  width: 0;
  height: 2px;
  background: var(--green);
  transition: width .25s ease;
}
.desktop-nav > a:hover::after, .desktop-nav > a.active::after, .nav-drop:hover > button::after { width: 100%; }
.nav-drop { position: relative; }
.dropdown {
  position: absolute;
  top: calc(100% - 6px);
  left: -22px;
  width: 270px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: .22s ease;
}
.nav-drop:hover .dropdown, .nav-drop:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a { display: block; padding: 11px 12px; border-radius: 10px; font-weight: 650; color: #364030; }
.dropdown a:hover { background: var(--green-pale); color: var(--green); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  transition: transform .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #fff; background: var(--green); box-shadow: 0 13px 30px rgba(59,107,43,.24); }
.btn-primary:hover { background: #2f5b21; }
.btn-outline { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.66); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--green); }
.btn-light { background: #fff; color: var(--green); }
.btn-ghost { border-color: var(--line); color: var(--green); background: #fff; }
.btn-sm { min-height: 44px; padding-inline: 19px; font-size: .9rem; }

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 50%;
  place-items: center;
  cursor: pointer;
}
.menu-toggle span { width: 20px; height: 2px; background: var(--green); display: block; margin: 3px 0; transition: .2s; }

.mobile-menu {
  position: fixed;
  inset: 128px 0 0;
  z-index: 45;
  padding: 28px 20px 40px;
  background: #fff;
  transform: translateX(100%);
  transition: transform .3s ease;
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a { display: block; padding: 14px 8px; border-bottom: 1px solid var(--line); font-weight: 750; }
.mobile-menu .sub { padding-left: 20px; color: var(--muted); font-size: .95rem; }
.mobile-menu .btn { margin-top: 22px; color: #fff; }

.hero {
  position: relative;
  min-height: 760px;
  color: #fff;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: #20311d;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(19,32,16,.83) 0%, rgba(19,32,16,.64) 42%, rgba(19,32,16,.18) 75%, rgba(19,32,16,.08) 100%),
    url('../img/hero-house.png') center/cover no-repeat;
  transform: scale(1.01);
}
.hero::after {
  content: '';
  position: absolute;
  inset: auto -90px -160px auto;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(255,255,255,.025), 0 0 0 140px rgba(255,255,255,.018);
}
.hero .container { position: relative; z-index: 2; }
.hero-content { max-width: 760px; padding: 92px 0; }
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #e8f1e3;
}
.hero-kicker::before { content: ''; width: 44px; height: 2px; background: var(--green-3); }
.hero h1 {
  margin: 0 0 25px;
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(3rem, 6.8vw, 6.8rem);
  line-height: .98;
  letter-spacing: -.055em;
}
.hero p { max-width: 660px; margin: 0; color: rgba(255,255,255,.82); font-size: 1.12rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 16px 24px; margin-top: 52px; color: rgba(255,255,255,.78); font-size: .91rem; }
.hero-badges span { display: inline-flex; align-items: center; gap: 9px; }
.hero-badges span::before { content: '✓'; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: var(--green-2); color: #fff; font-size: .76rem; }

.page-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: #20311d;
  min-height: 510px;
  display: grid;
  align-items: end;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(24,40,20,.84), rgba(24,40,20,.42)), var(--page-image, linear-gradient(135deg,#2f4f28,#668d35));
  background-size: cover;
  background-position: center;
}
.page-hero .container { position: relative; z-index: 2; padding-top: 112px; padding-bottom: 86px; }
.page-hero h1 { margin: 0; max-width: 900px; font-family: 'Montserrat', sans-serif; font-size: clamp(2.8rem, 5.7vw, 5.7rem); line-height: 1; letter-spacing: -.05em; }
.page-hero p { max-width: 720px; margin: 24px 0 0; color: rgba(255,255,255,.84); font-size: 1.1rem; }
.page-hero .breadcrumb { margin-bottom: 24px; font-weight: 750; font-size: .85rem; letter-spacing: .11em; text-transform: uppercase; color: #dcebd5; }

.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 68px; align-items: center; }
.split.reverse .media { order: 2; }
.split.reverse .content { order: 1; }
.media-card { position: relative; min-height: 560px; overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow); background: #dfe9da; }
.media-card img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; }
.media-card::after { content: ''; position: absolute; inset: auto 24px 24px auto; width: 96px; height: 96px; border-radius: 22px; background: rgba(255,255,255,.88); backdrop-filter: blur(10px); }
.content p { color: var(--muted); }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 48px; }
.service-card {
  position: relative;
  overflow: hidden;
  min-height: 440px;
  border-radius: 24px;
  padding: 32px;
  color: #fff;
  background: #253923;
  box-shadow: var(--shadow-soft);
}
.service-card::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(18,26,16,.04) 15%, rgba(18,26,16,.92) 88%), var(--bg); background-size: cover; background-position: center; transition: transform .45s ease; }
.service-card:hover::before { transform: scale(1.045); }
.service-card > * { position: relative; z-index: 1; }
.service-card .num { font-size: .8rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; color: #dbebd4; }
.service-card .bottom { position: absolute; left: 32px; right: 32px; bottom: 30px; }
.service-card h3 { margin: 0 0 10px; font-family: 'Montserrat', sans-serif; font-size: 1.7rem; }
.service-card p { margin: 0 0 18px; color: rgba(255,255,255,.72); }
.service-card a { font-weight: 800; color: #fff; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.feature {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  transition: .25s ease;
}
.feature:hover { transform: translateY(-5px); border-color: #bfd0b6; box-shadow: var(--shadow-soft); }
.feature .icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 14px; background: var(--green-pale); color: var(--green); font-size: 1.3rem; font-weight: 800; }
.feature h3 { margin: 20px 0 9px; font-size: 1.05rem; }
.feature p { margin: 0; color: var(--muted); font-size: .94rem; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.17); border-radius: 20px; overflow: hidden; }
.stat { padding: 30px; background: rgba(255,255,255,.06); backdrop-filter: blur(12px); }
.stat strong { display: block; font-family: 'Montserrat', sans-serif; font-size: 2.2rem; }
.stat span { color: rgba(255,255,255,.72); font-size: .9rem; }
.dark-panel { color: #fff; background: linear-gradient(135deg, #25451e, #172913); }

.process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-top: 50px; counter-reset: steps; }
.process-step { position: relative; padding: 28px 22px; border-radius: 18px; border: 1px solid var(--line); background: #fff; }
.process-step .step-no { color: var(--green-2); font-family: 'Montserrat', sans-serif; font-size: 2.2rem; font-weight: 700; opacity: .42; }
.process-step h3 { margin: 14px 0 8px; font-size: 1rem; }
.process-step p { margin: 0; color: var(--muted); font-size: .89rem; }

.image-strip { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 16px; min-height: 420px; }
.image-strip > div { overflow: hidden; border-radius: 22px; }
.image-strip img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.image-strip > div:hover img { transform: scale(1.04); }

.project-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 22px; margin-top: 46px; }
.project-card { position: relative; min-height: 390px; overflow: hidden; border-radius: 22px; color: #fff; }
.project-card:nth-child(1), .project-card:nth-child(4) { grid-column: span 7; }
.project-card:nth-child(2), .project-card:nth-child(3) { grid-column: span 5; }
.project-card:nth-child(5), .project-card:nth-child(6) { grid-column: span 6; }
.project-card img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; }
.project-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 42%, rgba(12,20,10,.86)); }
.project-card .caption { position: absolute; z-index: 2; left: 28px; right: 28px; bottom: 25px; }
.project-card h3 { margin: 0 0 4px; font-family: 'Montserrat', sans-serif; font-size: 1.5rem; }
.project-card p { margin: 0; color: rgba(255,255,255,.75); }

.list-check { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 13px; }
.list-check li { display: flex; gap: 12px; align-items: flex-start; }
.list-check li::before { content: '✓'; flex: 0 0 26px; width: 26px; height: 26px; border-radius: 50%; background: var(--green-pale); color: var(--green); display: grid; place-items: center; font-size: .8rem; font-weight: 900; }

.cta-wrap { padding: 0 0 104px; }
.cta {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: center;
  padding: 62px;
  color: #fff;
  border-radius: 30px;
  background: linear-gradient(135deg, #315b27, #507c33);
}
.cta::before { content: ''; position: absolute; inset: auto -80px -150px auto; width: 380px; height: 380px; border: 1px solid rgba(255,255,255,.13); border-radius: 50%; box-shadow: 0 0 0 60px rgba(255,255,255,.03),0 0 0 120px rgba(255,255,255,.02); }
.cta > * { position: relative; z-index: 1; }
.cta h2 { margin: 0; font-family: 'Montserrat',sans-serif; font-size: clamp(2rem,3.8vw,3.7rem); line-height: 1.05; letter-spacing: -.04em; }
.cta p { color: rgba(255,255,255,.77); }
.cta-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 12px; }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 58px; align-items: start; }
.contact-panel { padding: 34px; background: var(--green-pale); border-radius: 24px; }
.contact-item { padding: 18px 0; border-bottom: 1px solid #cfddc8; }
.contact-item:last-child { border-bottom: 0; }
.contact-item small { display: block; color: var(--muted); text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; font-weight: 800; }
.contact-item strong { display: block; margin-top: 5px; font-size: 1.1rem; }
.form-card { padding: 38px; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow-soft); background: #fff; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid #d8dfd4;
  border-radius: 12px;
  padding: 13px 14px;
  outline: none;
  background: #fff;
  transition: border .2s, box-shadow .2s;
}
.field textarea { min-height: 145px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--green-2); box-shadow: 0 0 0 4px rgba(102,141,53,.12); }
.form-note { margin: 14px 0 0; color: var(--muted); font-size: .85rem; }
.form-success { display: none; margin-top: 16px; padding: 12px 14px; border-radius: 10px; background: var(--green-pale); color: var(--green); font-weight: 700; }
.form-success.show { display: block; }

.faq { display: grid; gap: 12px; margin-top: 40px; }
.faq details { border: 1px solid var(--line); border-radius: 16px; background: #fff; overflow: hidden; }
.faq summary { list-style: none; padding: 20px 54px 20px 22px; position: relative; cursor: pointer; font-weight: 800; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 22px; top: 18px; color: var(--green); font-size: 1.4rem; }
.faq details[open] summary::after { content: '–'; }
.faq details p { margin: 0; padding: 0 22px 20px; color: var(--muted); }

.empty-page { min-height: 62vh; background: #fff; }

.site-footer { color: #e9eee6; background: #182216; }
.footer-main { padding: 74px 0 52px; display: grid; grid-template-columns: 1.25fr .7fr .8fr .9fr; gap: 42px; }
.footer-brand img { width: 220px; height: 104px; object-fit: contain; filter: brightness(0) invert(1); opacity: .94; }
.footer-brand p { max-width: 390px; color: #aeb9aa; }
.footer-col h4 { margin: 0 0 18px; color: #fff; font-size: .9rem; text-transform: uppercase; letter-spacing: .12em; }
.footer-col a { display: block; padding: 5px 0; color: #aeb9aa; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.09); padding: 22px 0; color: #8f9c8a; font-size: .85rem; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 16px; align-items: center; }

.float-contact {
  position: fixed;
  z-index: 35;
  right: 22px;
  bottom: 22px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--green);
  color: #fff;
  box-shadow: 0 16px 34px rgba(34,70,27,.28);
  font-weight: 900;
}

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1100px) {
  .desktop-nav { gap: 20px; }
  .desktop-nav > a, .nav-drop > button { font-size: .88rem; }
  .nav .btn-sm { display: none; }
  .service-grid, .feature-grid { grid-template-columns: repeat(2,1fr); }
  .process { grid-template-columns: repeat(3,1fr); }
  .split { gap: 42px; }
  .footer-main { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .topbar .topbar-meta { display: none; }
  .desktop-nav, .nav > .btn { display: none; }
  .menu-toggle { display: grid; }
  .nav { min-height: 78px; }
  .brand img { width: 155px; height: 60px; }
  .mobile-menu { inset: 118px 0 0; }
  .hero { min-height: 670px; }
  .hero::before { background: linear-gradient(90deg, rgba(19,32,16,.84), rgba(19,32,16,.46)), url('../img/hero-house.png') center/cover no-repeat; }
  .hero h1 { max-width: 660px; }
  .split, .contact-grid, .cta { grid-template-columns: 1fr; }
  .split.reverse .media, .split.reverse .content { order: initial; }
  .media-card { min-height: 440px; }
  .stats { grid-template-columns: repeat(2,1fr); }
  .process { grid-template-columns: repeat(2,1fr); }
  .image-strip { grid-template-columns: 1fr 1fr; }
  .image-strip > div:first-child { grid-column: 1 / -1; min-height: 290px; }
  .image-strip > div { min-height: 240px; }
  .project-card, .project-card:nth-child(n) { grid-column: span 6; }
  .cta-actions { justify-content: flex-start; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .topbar-inner { min-height: 36px; }
  .topbar-links { gap: 13px; font-size: .78rem; }
  .mobile-menu { inset: 114px 0 0; }
  .section { padding: 78px 0; }
  .section-sm { padding: 60px 0; }
  .hero { min-height: 650px; }
  .hero-content { padding: 76px 0; }
  .hero-actions .btn { width: 100%; }
  .hero-badges { margin-top: 34px; display: grid; }
  .page-hero { min-height: 455px; }
  .page-hero .container { padding-top: 90px; padding-bottom: 64px; }
  .service-grid, .feature-grid, .process { grid-template-columns: 1fr; }
  .service-card { min-height: 390px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat { padding: 22px; }
  .stat strong { font-size: 1.75rem; }
  .media-card { min-height: 350px; }
  .image-strip { grid-template-columns: 1fr; }
  .image-strip > div:first-child { grid-column: auto; }
  .project-grid { display: grid; grid-template-columns: 1fr; }
  .project-card, .project-card:nth-child(n) { grid-column: auto; min-height: 320px; }
  .cta { padding: 38px 26px; }
  .cta-actions .btn { width: 100%; }
  .contact-panel, .form-card { padding: 25px; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .footer-main { grid-template-columns: 1fr; padding-top: 58px; }
  .footer-brand { grid-column: auto; }
  .footer-bottom .container { flex-direction: column; align-items: flex-start; }
}


/* EcoHolzbau language switch + legal page */
.nav-actions { display:flex; align-items:center; gap:12px; }
.lang-switch { display:inline-flex; align-items:center; border:1px solid var(--line); border-radius:999px; overflow:hidden; background:#fff; flex:0 0 auto; }
.lang-switch a { padding:9px 11px; font-size:.75rem; font-weight:800; letter-spacing:.08em; color:var(--muted); }
.lang-switch a.active { color:#fff; background:var(--green); }
.lang-switch a:not(.active):hover { background:var(--green-pale); color:var(--green); }
.legal-card { max-width:900px; padding:42px; border:1px solid var(--line); border-radius:24px; background:#fff; box-shadow:var(--shadow-soft); }
.legal-card h2 { margin-top:30px; font-family:'Montserrat',sans-serif; }
.legal-card p { color:var(--muted); }
@media (max-width:1100px){ .nav-actions > .btn-sm{display:none;} }
@media (max-width:860px){ .nav-actions{gap:10px;} .lang-switch a{padding:8px 10px;} }
@media (max-width:620px){ .legal-card{padding:26px;} }