/* ==========================================================================
   EKSON Gebäudemanagement GmbH — Stylesheet
   ========================================================================== */

:root {
  --navy: #2b3a52;
  --navy-dark: #1a2536;
  --navy-soft: #55637a;
  --green: #9fd83c;
  --green-dark: #7ab82e;
  --bg: #ffffff;
  --bg-alt: #f5f7f4;
  --text: #24303f;
  --text-muted: #5b6674;
  --border: #e4e8e3;
  --radius: 14px;
  --shadow: 0 10px 30px -12px rgba(26, 37, 54, 0.18);
  --shadow-sm: 0 4px 14px -6px rgba(26, 37, 54, 0.15);
  --max-width: 1180px;
  --font-heading: 'Poppins', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

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

h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--navy-dark);
  margin: 0 0 16px;
  line-height: 1.2;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--green);
  color: var(--navy-dark);
}
.btn-primary:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.7);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-block { width: 100%; padding: 15px; font-size: 1rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark { flex-shrink: 0; }
.logo-img { height: 64px; width: auto; display: block; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-word {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 0.5px;
  color: var(--navy-dark);
}
.logo-n { color: var(--green); }
.logo-sub {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--navy-soft);
  margin-top: 3px;
}

.main-nav { display: flex; gap: 32px; }
.main-nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
  position: relative;
  padding: 6px 0;
}
.main-nav a:hover { color: var(--navy-dark); }
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--green);
  transition: width .2s ease;
}
.main-nav a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 20px; }
.phone-link {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.9rem; font-weight: 500;
  color: var(--navy-soft);
}
.phone-link svg { color: var(--green-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--navy-dark);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

.mobile-only-link { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(20,28,41,0.88) 0%, rgba(20,28,41,0.62) 45%, rgba(20,28,41,0.35) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 90px;
  padding-bottom: 90px;
  max-width: 720px;
}
.hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--green);
  margin-bottom: 14px;
}
.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-weight: 700;
  margin-bottom: 20px;
}
.hero-text {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.88);
  max-width: 560px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Trust strip ---------- */
.trust-strip {
  background: var(--navy-dark);
  padding: 34px 0;
}
.trust-grid {
  display: flex;
  justify-content: center;
  gap: 72px;
  text-align: center;
}
.trust-item { display: flex; flex-direction: column; gap: 4px; }
.trust-number {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--green);
}
.trust-label {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.75);
}

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 700;
  font-size: 0.78rem;
  color: var(--green-dark);
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  max-width: 700px;
}
.section-lead {
  color: var(--text-muted);
  max-width: 620px;
  font-size: 1.05rem;
  margin-bottom: 48px;
}

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
  border-color: transparent;
}
.service-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: #eef8db;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.service-icon svg { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.service-card p { color: var(--text-muted); font-size: 0.95rem; margin: 0; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.about-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  aspect-ratio: 4/3;
  object-fit: cover;
}
.about-content p { color: var(--text-muted); }
.checklist { margin-top: 24px; display: flex; flex-direction: column; gap: 12px; }
.checklist li {
  position: relative;
  padding-left: 30px;
  font-weight: 500;
  color: var(--text);
}
.checklist li::before {
  content: '';
  position: absolute;
  left: 0; top: 4px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--green);
}
.checklist li::after {
  content: '';
  position: absolute;
  left: 6px; top: 8px;
  width: 6px; height: 10px;
  border-right: 2px solid var(--navy-dark);
  border-bottom: 2px solid var(--navy-dark);
  transform: rotate(45deg);
}

/* ---------- Values ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.value-card {
  padding: 28px 24px;
  border-radius: var(--radius);
  background: var(--bg-alt);
}
.value-number {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.4rem;
  color: var(--green-dark);
  margin-bottom: 12px;
}
.value-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.value-card p { color: var(--text-muted); font-size: 0.92rem; margin: 0; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 40px;
  align-items: flex-start;
}
.contact-info-card {
  background: var(--navy-dark);
  color: #fff;
  border-radius: var(--radius);
  padding: 36px 32px;
}
.contact-info-card h3 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 24px;
}
.contact-info-card ul { display: flex; flex-direction: column; gap: 20px; }
.contact-info-card li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.95rem;
  color: rgba(255,255,255,0.88);
}
.contact-info-card li svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; }
.contact-info-card a:hover { color: var(--green); }

.contact-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 7px;
  color: var(--navy-dark);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: #fbfcfa;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green-dark);
  box-shadow: 0 0 0 3px rgba(159,216,60,0.25);
  background: #fff;
}
.form-group textarea { resize: vertical; min-height: 120px; }

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.form-consent input { width: auto; margin-top: 3px; }
.form-consent label { font-weight: 400; font-size: 0.85rem; color: var(--text-muted); }
.form-consent a { color: var(--navy-dark); text-decoration: underline; }

.hp-field { position: absolute; left: -9999px; top: -9999px; }

.form-status {
  margin-top: 14px;
  font-size: 0.9rem;
  font-weight: 500;
  min-height: 1.2em;
}
.form-status.success { color: var(--green-dark); }
.form-status.error { color: #c0392b; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.75);
  padding-top: 56px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand p { margin: 10px 0 0; font-size: 0.9rem; }
.footer-logo-badge {
  display: inline-flex;
  align-items: center;
  background: #fff;
  border-radius: 10px;
  padding: 10px 16px;
}
.footer-logo-badge .logo-img { height: 34px; }
.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-nav a { font-size: 0.9rem; }
.footer-nav a:hover { color: var(--green); }
.footer-bottom {
  padding: 22px 24px;
  font-size: 0.82rem;
  text-align: center;
}

/* ---------- Back to top / quick contact ---------- */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--green);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity .2s ease, transform .2s ease;
  z-index: 90;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .main-nav { display: none; }
  .header-actions { display: none; }
  .nav-toggle { display: flex; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-media { order: -1; }
  .contact-grid { grid-template-columns: 1fr; }
  .trust-grid { gap: 48px; }

  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    padding: 20px 24px 28px;
    gap: 18px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
  }
  .mobile-only-link { display: inline-flex; }
  .main-nav .btn { margin-top: 6px; align-self: flex-start; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero { min-height: 520px; }
  .hero-content { padding-top: 60px; padding-bottom: 60px; }
  .trust-grid { gap: 32px; }
  .logo-img { height: 46px; }
}