/* ============================================================
   LW Electro Service
   Basis-Stylesheet für alle Seiten
   Farbwelt: Schaltschrank-Grau, Stahl, Signalgelb
   ============================================================ */

:root {
  --ink:        #15191c;
  --ink-soft:   #232a2f;
  --steel:      #4a565f;
  --grey:       #e3e5e3;
  --grey-dark:  #d2d6d3;
  --paper:      #f8f9f8;
  --line:       #c6cbc7;
  --line-dark:  #333c43;
  --signal:     #f2b705;
  --signal-dk:  #c79600;

  --wrap: 1120px;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Eigene Schrift später einbinden:
     1. WOFF2-Dateien nach /fonts/ legen
     2. @font-face-Regeln hier ergänzen
     3. Namen vorne in --sans eintragen
     Damit bleibt die Seite ohne externe Anfragen und ohne Google Fonts. */
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--grey);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
ul, ol { list-style: none; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 2px;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.block { padding: 5rem 0; }
.block-tight { padding: 3rem 0; }
.block-dark { background: var(--ink); color: #e8eaeb; }
.block-paper { background: var(--paper); }

section[id] { scroll-margin-top: 80px; }

/* ---------- Typografie ---------- */

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.75rem, 3.6vw, 2.6rem);
  max-width: 20ch;
  margin-bottom: 1rem;
}

h3 { font-size: 1.15rem; letter-spacing: -0.01em; }

p { max-width: 68ch; }

.lead {
  font-size: 1.08rem;
  color: var(--steel);
  max-width: 60ch;
}

.block-dark .lead { color: #a9b3ba; }
.block-dark h2, .block-dark h3 { color: #fff; }

.rule {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

.hazard {
  height: 10px;
  background: repeating-linear-gradient(
    135deg,
    var(--signal) 0 14px,
    var(--ink) 14px 28px
  );
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  font: inherit;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.btn-signal {
  background: var(--signal);
  color: var(--ink);
  border-color: var(--signal);
}
.btn-signal:hover { background: var(--signal-dk); border-color: var(--signal-dk); }

.btn-line {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}
.btn-line:hover { border-color: #fff; background: rgba(255,255,255,0.06); }

.btn-dark {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.btn-dark:hover { background: var(--ink-soft); border-color: var(--ink-soft); }

/* ---------- Kopfzeile ---------- */

.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--ink);
  border-bottom: 1px solid var(--line-dark);
}

.head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 64px;
}

.mark {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: none;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.01em;
  font-size: 0.98rem;
}

.mark-badge {
  background: var(--signal);
  color: var(--ink);
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  padding: 0.3rem 0.45rem;
  border-radius: 2px;
  flex: none;
}

.mark-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.mark-text small {
  font-weight: 400;
  font-size: 0.72rem;
  color: #8d979e;
  letter-spacing: 0;
}

.head-nav { display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; justify-content: flex-end; }

.head-nav a {
  color: #c3cace;
  text-decoration: none;
  font-size: 0.94rem;
}
.head-nav a:hover { color: #fff; }

/* Gelber Button: die Schrift muss immer dunkel bleiben.
   Ohne diese Regel gewinnt .head-nav a und der Text waere hellgrau auf Gelb. */
.head-nav a.btn-signal,
.head-nav a.btn-signal:hover,
.head-nav a.btn-signal:focus,
.head-nav a.btn-signal:visited,
a.btn-signal,
a.btn-signal:hover,
a.btn-signal:visited,
button.btn-signal {
  color: #15191c !important;
}

.head-nav a.btn-signal {
  padding: 0.55rem 1.1rem;
  font-size: 0.92rem;
  white-space: nowrap;
}

.lang-link {
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  padding: 0.35rem 0.7rem;
  font-size: 0.86rem;
}
.lang-link:hover { border-color: #8d979e; }

.burger {
  display: none;
  background: transparent;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  color: #fff;
  font: inherit;
  font-size: 0.9rem;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  overflow: hidden;
}

/* Eigenes Anlagenfoto einsetzen:
   .hero-photo { background-image: url("../assets/hero.jpg"); }
   und die Zeile im HTML einkommentieren. */
.hero-photo {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.22;
  filter: grayscale(0.4);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 75%);
}

.hero-inner {
  position: relative;
  padding: 6rem 0 4.5rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 6.4vw, 4.4rem);
  line-height: 1.03;
  letter-spacing: -0.035em;
  max-width: 15ch;
  margin-bottom: 1.4rem;
}

.hero .lead {
  color: #b6c0c6;
  font-size: 1.12rem;
  max-width: 54ch;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.hero-note {
  color: #8d979e;
  font-size: 0.92rem;
  max-width: 52ch;
}

.hero-fade { animation: rise 0.6s ease-out both; }
.hero-fade-2 { animation: rise 0.6s ease-out 0.1s both; }
.hero-fade-3 { animation: rise 0.6s ease-out 0.2s both; }

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- Plattformzeile ---------- */

.platforms {
  background: var(--ink-soft);
  color: #9aa4ab;
  padding: 1.1rem 0;
  font-size: 0.88rem;
}

.platform-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.6rem;
  align-items: baseline;
}

.platform-row strong {
  color: #fff;
  font-weight: 600;
  margin-right: 0.4rem;
}

/* ---------- Kennzahlen ---------- */

.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 2px;
  margin-top: 2.5rem;
}

.fact { background: var(--paper); padding: 1.4rem 1.3rem; }

.fact b {
  display: block;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.2rem;
}

.fact span { color: var(--steel); font-size: 0.93rem; }

/* ---------- Listen mit Haarlinien ---------- */

.issues { margin-top: 2.5rem; border-top: 1px solid var(--line); }

.issue {
  border-bottom: 1px solid var(--line);
  padding: 1.5rem 0;
  display: grid;
  grid-template-columns: 15rem 1fr;
  gap: 1.5rem;
}

.issue h3 { margin-top: 0.15rem; }
.issue p { color: var(--steel); max-width: 60ch; }

.cost {
  margin-top: 2.5rem;
  border-left: 4px solid var(--signal);
  padding: 0.4rem 0 0.4rem 1.4rem;
  font-size: 1.12rem;
  max-width: 60ch;
}

/* ---------- Ergebnisse (dunkler Block) ---------- */

.results {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem 3rem;
  margin-top: 2.5rem;
}

.result { border-top: 2px solid var(--signal); padding-top: 1rem; }
.result h3 { margin-bottom: 0.4rem; }
.result p { color: #a9b3ba; font-size: 0.97rem; }

/* ---------- Pakete ---------- */

.packages {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.package {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
}

.package h3 { margin-bottom: 0.35rem; }

.price {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.9rem;
}

.price small {
  display: block;
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--steel);
  letter-spacing: 0;
}

.package p { color: var(--steel); font-size: 0.97rem; }
.package .hint { margin-top: 0.9rem; font-size: 0.9rem; color: var(--ink); }

.addon {
  margin-top: 1.25rem;
  background: var(--ink);
  color: #e8eaeb;
  border-radius: 2px;
  padding: 1.4rem 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 2rem;
  align-items: baseline;
}

.addon h3 { color: #fff; }
.addon p { color: #a9b3ba; font-size: 0.97rem; }

/* ---------- Zweispaltige Sachlisten ---------- */

.cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 3rem;
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
}

.cols > li {
  border-bottom: 1px solid var(--line);
  padding: 1.15rem 0;
}

.cols h3 { margin-bottom: 0.25rem; }
.cols p { color: var(--steel); font-size: 0.97rem; }

.block-dark .cols { border-color: var(--line-dark); }
.block-dark .cols > li { border-color: var(--line-dark); }
.block-dark .cols p { color: #a9b3ba; }

/* ---------- Ablauf ---------- */

.steps { margin-top: 2.5rem; border-top: 1px solid var(--line); }

.step {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1.5rem;
  border-bottom: 1px solid var(--line);
  padding: 1.4rem 0;
}

.step .no {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--signal-dk);
  padding-top: 0.15rem;
}

.step p { color: var(--steel); }

/* ---------- Zusagen ---------- */

.promises { margin-top: 2.5rem; }

.promises li {
  padding: 0.9rem 0 0.9rem 2rem;
  border-bottom: 1px solid var(--line-dark);
  position: relative;
  max-width: 78ch;
  color: #c3cace;
}

.promises li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.55rem;
  width: 12px;
  height: 3px;
  background: var(--signal);
}

.promises strong { color: #fff; font-weight: 600; }

/* ---------- Projektbeispiele ---------- */

.cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.case {
  background: var(--paper);
  border: 1px solid var(--line);
  border-top: 4px solid var(--ink);
  border-radius: 2px;
  padding: 1.6rem;
}

.case h3 { font-size: 1.05rem; margin-bottom: 0.8rem; }
.case dt { font-weight: 600; font-size: 0.88rem; margin-top: 0.7rem; }
.case dd { color: var(--steel); font-size: 0.95rem; }

/* ---------- Profil ---------- */

.profile {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
  align-items: start;
}

.profile-facts {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--signal);
  border-radius: 2px;
  padding: 1.4rem 1.5rem;
}

.profile-facts dt {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--steel);
  margin-top: 0.9rem;
}

.profile-facts dt:first-child { margin-top: 0; }

.profile-facts dd { font-size: 0.97rem; line-height: 1.45; }

/* Portraitfoto statt der Faktenbox verwenden:
   <img src="luca-werner.jpg" alt="Luca Werner an einer Schaltanlage" class="portrait"> */
.portrait {
  border: 1px solid var(--line);
  border-radius: 2px;
  width: 100%;
}

.profile p + p { margin-top: 1rem; }

/* ---------- FAQ ---------- */

.faq { margin-top: 2.5rem; border-top: 1px solid var(--line); }

.faq details { border-bottom: 1px solid var(--line); }

.faq summary {
  cursor: pointer;
  padding: 1.15rem 2rem 1.15rem 0;
  font-weight: 600;
  position: relative;
  list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  right: 0.25rem;
  top: 1rem;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--steel);
}

.faq details[open] summary::after { content: "\2013"; }

.faq details p {
  color: var(--steel);
  padding-bottom: 1.25rem;
  max-width: 70ch;
}

/* ---------- Kontakt ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 3rem;
  margin-top: 2.5rem;
}

.contact-facts li {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line-dark);
}

.contact-facts b {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: #8d979e;
  margin-bottom: 0.1rem;
}

.contact-facts a { color: var(--signal); }

form { background: var(--paper); border-radius: 2px; padding: 1.75rem; }

.field { margin-bottom: 1.1rem; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }

label {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.35rem;
}

label .opt { font-weight: 400; color: var(--steel); }

input, select, textarea {
  width: 100%;
  font: inherit;
  font-size: 0.98rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.7rem 0.85rem;
}

textarea { min-height: 130px; resize: vertical; }

input:focus, select:focus, textarea:focus {
  border-color: var(--ink);
  outline: 2px solid var(--signal);
  outline-offset: 0;
}

.consent {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  margin-bottom: 1.3rem;
}

.consent input {
  width: 18px;
  height: 18px;
  margin-top: 0.25rem;
  accent-color: var(--ink);
  flex: none;
}

.consent label {
  font-weight: 400;
  font-size: 0.92rem;
  color: var(--steel);
  margin: 0;
}

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

form .btn { width: 100%; }

/* ---------- Fußzeile ---------- */

.site-foot {
  background: var(--ink);
  color: #8d979e;
  padding: 2.5rem 0;
  font-size: 0.92rem;
}

.foot-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2.5rem;
  justify-content: space-between;
  align-items: flex-start;
}

.site-foot a { color: #c3cace; text-decoration: none; }
.site-foot a:hover { color: #fff; text-decoration: underline; }

.foot-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }

/* ---------- Rechtsseiten ---------- */

.legal { background: var(--paper); }
.legal h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 1.5rem; }
.legal h2 { font-size: 1.2rem; margin: 2rem 0 0.4rem; max-width: none; }
.legal p, .legal li { max-width: 70ch; color: var(--steel); }
.legal li { padding: 0.2rem 0 0.2rem 1.2rem; position: relative; }
.legal li::before { content: ""; position: absolute; left: 0; top: 0.85rem; width: 6px; height: 2px; background: var(--steel); }
.legal a { color: var(--ink); }
.legal strong { color: var(--ink); }

.back-link { display: inline-block; margin-top: 2.5rem; font-weight: 600; }

/* ---------- Dankeseite ---------- */

.thanks { min-height: 70vh; display: flex; align-items: center; }
.thanks h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 1rem; }

/* ---------- Mobil ---------- */

@media (max-width: 900px) {
  .issue { grid-template-columns: 1fr; gap: 0.4rem; }
  .cols { grid-template-columns: 1fr; }
  .packages { grid-template-columns: 1fr; }
  .cases { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .profile { grid-template-columns: 1fr; gap: 1.75rem; }
  .profile-facts, .portrait { max-width: 340px; }
  .results { grid-template-columns: 1fr; gap: 1.5rem; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .block { padding: 3.5rem 0; }
  .hero-inner { padding: 4rem 0 3rem; }
  .facts { grid-template-columns: 1fr; }
  .pair { grid-template-columns: 1fr; }
  .burger { display: block; }

  .head-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--ink);
    border-bottom: 1px solid var(--line-dark);
    padding: 0.5rem 1.5rem 1.25rem;
  }

  .head-nav.open { display: flex; }
  .head-nav a { padding: 0.75rem 0; border-bottom: 1px solid var(--line-dark); }
  .head-nav a.btn-signal { margin-top: 0.9rem; text-align: center; border-bottom: 0; }
  .head-nav .lang-link { border: 0; border-bottom: 1px solid var(--line-dark); padding: 0.75rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-fade, .hero-fade-2, .hero-fade-3 { animation: none; }
  * { transition-duration: 0.01ms !important; }
}

@media print {
  .site-head, .hero-grid, .hazard, form { display: none; }
  body { background: #fff; color: #000; }
}