/* =========================================================
   Energieservice OWL GmbH – Stylesheet
   ========================================================= */

:root {
  --green: #5a9c2e;
  --green-dark: #487d24;
  --green-light: #eef6e8;
  --navy: #13212f;
  --navy-2: #1c3245;
  --text: #26313c;
  --text-muted: #5b6b78;
  --bg: #ffffff;
  --bg-alt: #f5f8f5;
  --border: #e3e9e3;
  --white: #ffffff;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px -12px rgba(19, 33, 47, 0.18);
  --shadow-sm: 0 4px 14px -6px rgba(19, 33, 47, 0.14);
  --max-width: 1180px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--green-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 0.6em;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--text); }
p.lead { font-size: 1.15rem; color: var(--text-muted); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 88px 0; }
.section-sm { padding: 56px 0; }
.section-alt { background: var(--bg-alt); }
.section-navy { background: var(--navy); color: #cfd8de; }
.section-navy h2, .section-navy h3 { color: #ffffff; }
.section-navy p { color: #b9c4cc; }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green-dark);
  background: var(--green-light);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-navy .eyebrow {
  background: rgba(90, 156, 46, 0.18);
  color: #8fd15c;
}

.section-head {
  max-width: 680px;
  margin-bottom: 48px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  background: var(--green);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--green-dark); }

.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.5);
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: #fff; }

.section-navy .btn-outline { border-color: rgba(255,255,255,0.55); color: #fff; }
.section-navy .btn-outline:hover { background: rgba(255,255,255,0.12); }

.btn-light { background: #ffffff; color: var(--navy); }
.btn-light:hover { background: #eef1f0; }

.btn-sm { padding: 10px 18px; font-size: 0.88rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand img { height: 42px; width: auto; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav a {
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 14px;
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.main-nav a:hover { background: var(--green-light); color: var(--green-dark); }
.main-nav a.active { background: var(--green-light); color: var(--green-dark); }

.nav-actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: 0.2s;
}

@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    inset: 68px 0 0 0;
    background: #ffffff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px;
    gap: 4px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: 0.2s ease;
    border-top: 1px solid var(--border);
    overflow-y: auto;
  }
  .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .main-nav a { padding: 14px 10px; border-bottom: 1px solid var(--border); border-radius: 0; }
  .nav-toggle { display: block; }
  .nav-actions .btn span.full { display: none; }
}

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #ffffff 0%, var(--green-light) 55%, #eef6ea 100%);
  padding: 88px 0 96px;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

.hero-art { display: flex; align-items: center; justify-content: center; }
.hero-art svg { width: 100%; height: auto; max-width: 420px; }
.hero-icon { width: 100%; height: auto; max-width: 380px; }

.page-hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #fff;
  padding: 64px 0 72px;
}
.page-hero h1 { color: #fff; }
.page-hero p { color: #c3cdd3; max-width: 640px; }
.breadcrumb {
  font-size: 0.85rem;
  color: #9fb0ba;
  margin-bottom: 18px;
}
.breadcrumb a { color: #cfe6b8; }

/* Grids & cards */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.icon-circle {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.icon-circle svg { width: 28px; height: 28px; stroke: var(--green-dark); }

.service-card { display: flex; flex-direction: column; height: 100%; }
.service-card .more { margin-top: auto; padding-top: 14px; font-weight: 700; color: var(--green-dark); }

/* Benefit list */
.benefit {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.benefit .icon-circle { flex: none; margin-bottom: 0; }
.benefit h3 { margin-bottom: 6px; font-size: 1.05rem; }
.benefit p { color: var(--text-muted); margin: 0; }

/* Process steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }

.step { position: relative; padding-top: 8px; }
.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 16px;
}
.section-navy .step-num { background: var(--green); }

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}
@media (max-width: 640px) { .stats { grid-template-columns: 1fr; } }
.stat strong { display: block; font-size: 2.4rem; color: var(--green); }
.stat span { color: var(--text-muted); font-size: 0.95rem; }

/* CTA banner */
.cta-banner {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  border-radius: var(--radius);
  padding: 48px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-banner h2, .cta-banner p { color: #fff; }
.cta-banner p { color: rgba(255,255,255,0.9); margin: 6px 0 0; }

/* Lists */
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--text); }
.check-list svg { flex: none; width: 20px; height: 20px; stroke: var(--green-dark); margin-top: 2px; }

/* Table (funding overview) */
.table-wrap { overflow-x: auto; }
table.simple { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; }
table.simple th, table.simple td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--border); }
table.simple th { background: var(--bg-alt); color: var(--navy); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }
table.simple tr:last-child td { border-bottom: none; }

/* Forms */
.form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.92rem; color: var(--navy); }
.form-row input, .form-row textarea, .form-row select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.98rem;
  color: var(--text);
  background: #fdfdfd;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: 2px solid var(--green);
  outline-offset: 1px;
  border-color: var(--green);
}
.form-row.checkbox { display: flex; align-items: flex-start; gap: 10px; }
.form-row.checkbox input { width: auto; margin-top: 4px; }
.form-row.checkbox label { font-weight: 400; color: var(--text-muted); margin: 0; }
.form-hint { font-size: 0.8rem; color: var(--text-muted); margin-top: 6px; }
.form-note { font-size: 0.82rem; color: var(--text-muted); margin-top: 16px; }
.hp-field { position: absolute; left: -9999px; top: -9999px; }

.contact-info-card {
  background: var(--navy);
  color: #dbe3e8;
  border-radius: var(--radius);
  padding: 36px;
}
.contact-info-card h3 { color: #fff; }
.contact-info-card .row { display: flex; gap: 14px; margin-bottom: 20px; align-items: flex-start; }
.contact-info-card .row svg { flex: none; width: 22px; height: 22px; stroke: var(--green); margin-top: 3px; }
.contact-info-card a { color: #fff; }

.alert {
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  margin-bottom: 24px;
  font-weight: 600;
}
.alert-success { background: var(--green-light); color: var(--green-dark); border: 1px solid #cfe6b8; }
.alert-error { background: #fbeaea; color: #a12f2f; border: 1px solid #f3caca; }

/* Footer */
.site-footer { background: var(--navy); color: #aab7bf; padding: 64px 0 28px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-logo-badge {
  display: inline-block;
  background: #fff;
  padding: 10px 16px;
  border-radius: 10px;
  margin-bottom: 16px;
}
.footer-logo-badge img { height: 32px; }

.site-footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.site-footer a { color: #aab7bf; }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: #7d8b93;
}

/* Legal pages */
.legal-content h2 { margin-top: 2em; font-size: 1.3rem; }
.legal-content h3 { margin-top: 1.4em; font-size: 1.05rem; }
.legal-content p, .legal-content li { color: var(--text-muted); }
.legal-content { max-width: 780px; }

/* Utilities */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.muted { color: var(--text-muted); }