/* ================================================
   Musterbetrieb – Handwerk & Service – Stylesheet v2
   ================================================
   Design: Industrial & Vertrauensvoll — Bold & Klar
   Farben: Tiefblau, Stahl, Orange-Akzent
   Schriften: Barlow Condensed + Barlow
   ================================================ */


/* ================================================
   1. CSS VARIABLEN
   ================================================ */

:root {
  --clr-navy:         #0a1520;
  --clr-navy-2:       #101e2e;
  --clr-navy-3:       #162438;
  --clr-navy-4:       #1c2d44;
  --clr-steel:        #243548;
  --clr-steel-light:  #2e4460;
  --clr-orange:       #e8630a;
  --clr-orange-light: #f07830;
  --clr-orange-glow:  rgba(232, 99, 10, 0.12);
  --clr-white:        #ffffff;
  --clr-text:         #ccd8e8;
  --clr-text-muted:   #5e7a99;
  --clr-border:       #1c2d44;
  --clr-border-light: #243548;

  --font-display: 'Barlow Condensed', Impact, sans-serif;
  --font-body:    'Barlow', sans-serif;

  --radius:     8px;
  --radius-lg:  16px;
  --shadow:     0 4px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg:  0 12px 48px rgba(0, 0, 0, 0.55);
  --shadow-orange: 0 6px 24px rgba(232, 99, 10, 0.3);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}


/* ================================================
   2. RESET & BASIS
   ================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--clr-navy);
  color: var(--clr-text);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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


/* ================================================
   3. HILFSKLASSEN
   ================================================ */

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 32px;
}

.section {
  padding: 110px 0;
}

.section.alt {
  background: var(--clr-navy-2);
}

.section-head {
  margin-bottom: 56px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 700;
  color: var(--clr-white);
  line-height: 1.0;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-head p {
  font-size: 1rem;
  color: var(--clr-text-muted);
  max-width: 560px;
  line-height: 1.8;
}


/* ================================================
   4. BUTTONS
   ================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  letter-spacing: 0.04em;
}

.btn.primary {
  background: var(--clr-orange);
  color: var(--clr-white);
  padding: 14px 30px;
}

.btn.primary:hover {
  background: var(--clr-orange-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-orange);
}

.btn.ghost {
  background: transparent;
  color: var(--clr-text);
  padding: 13px 30px;
  border: 1.5px solid var(--clr-steel-light);
}

.btn.ghost:hover {
  border-color: var(--clr-text-muted);
  background: var(--clr-navy-3);
  color: var(--clr-white);
}

.btn.small {
  background: var(--clr-orange);
  color: var(--clr-white);
  padding: 9px 20px;
  font-size: 0.82rem;
}

.btn.small:hover {
  background: var(--clr-orange-light);
}

.btn.full {
  display: flex;
  text-align: center;
  width: 100%;
  justify-content: center;
}


/* ================================================
   5. HEADER & NAVIGATION
   ================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 21, 32, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 2px solid var(--clr-orange);
  padding: 16px 0;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.4);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
}

.brand-icon {
  display: block;
  width: 38px;
  height: 38px;
  background: var(--clr-orange);
  border-radius: var(--radius);
  position: relative;
  flex-shrink: 0;
  box-shadow: 0 3px 12px rgba(232, 99, 10, 0.35);
}

.brand-icon::after {
  content: '🔧';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.menu {
  display: flex;
  align-items: center;
  gap: 34px;
}

.menu a {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color var(--transition);
}

.menu a:hover {
  color: var(--clr-white);
}


/* ================================================
   6. HERO
   ================================================ */

.hero {
  padding: 90px 0 110px;
  background: var(--clr-navy);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(232, 99, 10, 0.03) 100%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(232, 99, 10, 0.05) 0%, transparent 65%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 370px;
  gap: 72px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.kicker {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clr-orange);
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.kicker::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--clr-orange);
  flex-shrink: 0;
}

.hero-text h1 {
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 6vw, 5.8rem);
  font-weight: 700;
  color: var(--clr-white);
  line-height: 1.0;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.lead {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  max-width: 480px;
  line-height: 1.85;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}

.trust {
  display: flex;
  gap: 36px;
  padding-top: 36px;
  border-top: 1px solid var(--clr-border);
}

.trust-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.trust-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--clr-orange);
  line-height: 1;
  letter-spacing: 0.02em;
}

.trust-text {
  font-size: 0.76rem;
  color: var(--clr-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Kontaktkarte rechts */
.hero-panel {
  background: var(--clr-navy-2);
  border: 1px solid var(--clr-steel-light);
  border-top: 3px solid var(--clr-orange);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-lg);
}

.hero-panel h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--clr-border);
}

.panel-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid var(--clr-border);
  gap: 16px;
}

.panel-row:last-of-type { border-bottom: none; }

.label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  flex-shrink: 0;
}

.value {
  font-size: 0.9rem;
  color: var(--clr-text);
  text-align: right;
}

.panel-note {
  background: var(--clr-orange-glow);
  border: 1px solid rgba(232, 99, 10, 0.18);
  border-radius: var(--radius);
  padding: 13px 16px;
  margin: 18px 0;
}

.panel-note p {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  line-height: 1.65;
}

.panel-note strong { color: var(--clr-orange); }

.panel-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}


/* ================================================
   7. LEISTUNGEN
   ================================================ */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 28px;
}

.card {
  background: var(--clr-navy-2);
  border: 1px solid var(--clr-steel);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-orange), var(--clr-orange-light));
}

.card::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(232, 99, 10, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.card:hover {
  border-color: rgba(232, 99, 10, 0.4);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-icon {
  width: 52px;
  height: 52px;
  background: var(--clr-orange-glow);
  border: 1px solid rgba(232, 99, 10, 0.22);
  border-radius: var(--radius);
  margin-bottom: 22px;
  position: relative;
  transition: background var(--transition), box-shadow var(--transition);
}

.card:hover .card-icon {
  background: rgba(232, 99, 10, 0.18);
  box-shadow: 0 0 20px rgba(232, 99, 10, 0.1);
}

.card-icon::after {
  content: '⚙';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--clr-orange);
}

.card-icon.alt::after { content: '🔨'; }

.card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.card > p {
  font-size: 0.91rem;
  color: var(--clr-text-muted);
  line-height: 1.75;
  margin-bottom: 18px;
}

.card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.card ul li {
  font-size: 0.88rem;
  color: var(--clr-text);
  padding-left: 20px;
  position: relative;
}

.card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 2px;
  background: var(--clr-orange);
}

.info-band {
  background: var(--clr-navy-2);
  border: 1px solid var(--clr-steel);
  border-left: 4px solid var(--clr-orange);
  border-radius: var(--radius);
  padding: 18px 22px;
}

.info-band p {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
}

.info-band strong { color: var(--clr-text); }


/* ================================================
   8. ABLAUF
   ================================================ */

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 700px;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 56px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-orange), rgba(232, 99, 10, 0.15));
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 26px;
  padding: 0 0 44px 0;
  position: relative;
}

.step:last-child { padding-bottom: 0; }

.step-num {
  width: 56px;
  height: 56px;
  background: var(--clr-orange);
  color: var(--clr-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 4px var(--clr-navy-2), var(--shadow-orange);
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 7px;
  margin-top: 12px;
}

.step p {
  font-size: 0.92rem;
  color: var(--clr-text-muted);
  line-height: 1.8;
}


/* ================================================
   9. REFERENZEN
   ================================================ */

.refs {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ref {
  display: flex;
  align-items: center;
  gap: 26px;
  background: var(--clr-navy-2);
  border: 1px solid var(--clr-steel);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.ref:hover {
  border-color: rgba(232, 99, 10, 0.4);
  transform: translateX(5px);
  box-shadow: var(--shadow);
}

.ref-photo {
  width: 84px;
  height: 84px;
  border-radius: var(--radius);
  flex-shrink: 0;
  background: linear-gradient(145deg, #1c2d44 0%, #243548 100%);
  border: 1px solid var(--clr-steel);
  position: relative;
  overflow: hidden;
}

.ref-photo::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(232, 99, 10, 0.08) 0%, transparent 100%);
}

.ref-photo::after {
  content: '🏗';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.9rem;
  opacity: 0.6;
}

.ref-photo.alt {
  background: linear-gradient(145deg, #101e2e 0%, #1c2d44 100%);
}

.ref-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-white);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.ref-text {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}


/* ================================================
   10. FAQ
   ================================================ */

.faq {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 740px;
}

.faq-item {
  background: var(--clr-navy-2);
  border: 1px solid var(--clr-steel);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item:hover { border-color: rgba(232, 99, 10, 0.3); }
.faq-item[open] { border-color: var(--clr-orange); }

.faq-item summary {
  padding: 22px 26px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-white);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
  gap: 16px;
}

.faq-item summary:hover { background: var(--clr-navy-3); }
.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--clr-orange);
  font-weight: 300;
  transition: transform var(--transition);
  flex-shrink: 0;
  line-height: 1;
}

.faq-item[open] summary::after { transform: rotate(45deg); }

.faq-item p {
  padding: 18px 26px 22px;
  font-size: 0.92rem;
  color: var(--clr-text-muted);
  line-height: 1.85;
  border-top: 1px solid var(--clr-border);
}


/* ================================================
   11. KONTAKT
   ================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 36px;
}

.contact-card {
  background: var(--clr-navy-2);
  border: 1px solid var(--clr-steel);
  border-top: 3px solid var(--clr-orange);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: rgba(232, 99, 10, 0.5);
}

.contact-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--clr-orange);
  margin-bottom: 10px;
}

.contact-text {
  font-size: 0.95rem;
  color: var(--clr-text);
  line-height: 1.55;
}

.contact-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.fine {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  font-style: italic;
}


/* ================================================
   12. FOOTER
   ================================================ */

.footer {
  background: var(--clr-navy-2);
  border-top: 2px solid var(--clr-orange);
  padding: 26px 0;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.3);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-grid p {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}

.muted {
  color: var(--clr-text-muted);
  font-size: 0.85rem;
}


/* ================================================
   13. RESPONSIVE
   ================================================ */

@media (max-width: 960px) {
  .section { padding: 80px 0; }

  .hero-grid { grid-template-columns: 1fr; gap: 52px; }
  .hero-panel { max-width: 480px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }

  .menu a:not(.btn) { display: none; }
  .hero-text h1 { font-size: 3.2rem; }
  .trust { gap: 22px; flex-wrap: wrap; }
  .cards { grid-template-columns: 1fr; }

  .ref { flex-direction: column; align-items: flex-start; }
  .steps::before { display: none; }
}