/* =========================================================
   Stark-Folientechnik – Stylesheet
   Farben und Schrift lassen sich zentral über die Variablen
   unten anpassen (z. B. an ein vorhandenes Logo/Corporate Design).
========================================================= */

:root {
  --color-bg: #0d0f12;
  --color-bg-alt: #15181d;
  --color-surface: #1b1f26;
  --color-border: #2a2f38;
  --color-text: #f2f3f5;
  --color-text-muted: #a7adb8;
  --color-accent: #e8402c;
  --color-accent-dark: #c22f1e;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 10px;
  --max-width: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

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

a { color: inherit; text-decoration: none; }

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

.section { padding: 80px 0; }
.section.alt { background: var(--color-bg-alt); }

.eyebrow {
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0 0 10px;
}
.eyebrow.center { text-align: center; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 16px; font-weight: 700; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.15rem; margin-bottom: 8px; }
.center { text-align: center; }

.section-sub {
  color: var(--color-text-muted);
  max-width: 640px;
  margin: -8px auto 40px;
}
.section-sub.center { margin-left: auto; margin-right: auto; }

p { color: var(--color-text-muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-dark); }
.btn-outline { border-color: var(--color-border); color: var(--color-text); }
.btn-outline:hover { border-color: var(--color-accent); }
.btn-small { padding: 9px 16px; font-size: 0.88rem; }
.btn-full { width: 100%; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 15, 18, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  gap: 24px;
}
.logo {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.logo span { color: var(--color-accent); font-weight: 700; }

.main-nav {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--color-text); }

.header-actions { display: flex; align-items: center; gap: 16px; }
.phone-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.92rem;
}
.phone-link svg { color: var(--color-accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

/* Hero */
.hero {
  padding: 110px 0 90px;
  background:
    radial-gradient(circle at 20% 20%, rgba(232, 64, 44, 0.18), transparent 45%),
    radial-gradient(circle at 80% 0%, rgba(232, 64, 44, 0.12), transparent 40%),
    var(--color-bg);
  text-align: center;
}
.hero-inner { max-width: 780px; }
.hero-sub {
  font-size: 1.08rem;
  max-width: 620px;
  margin: 0 auto 32px;
}
.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.trust-bar {
  display: flex;
  gap: 28px;
  justify-content: center;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.trust-bar li::before { content: "✓ "; color: var(--color-accent); font-weight: 700; }

/* Intro */
.intro-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.intro-inner > *, .kontakt-inner > * { min-width: 0; }
.checklist { list-style: none; padding: 0; margin: 20px 0 0; }
.checklist li {
  padding-left: 28px;
  position: relative;
  margin-bottom: 10px;
  color: var(--color-text);
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.placeholder-box {
  background: repeating-linear-gradient(
    45deg,
    var(--color-surface),
    var(--color-surface) 12px,
    var(--color-bg-alt) 12px,
    var(--color-bg-alt) 24px
  );
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  min-height: 260px;
  padding: 20px;
}

/* Stats */
.stats { padding: 50px 0 30px; background: var(--color-bg-alt); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-number {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-accent);
}
.stat-label { color: var(--color-text-muted); font-size: 0.9rem; }
.stats-note {
  text-align: center;
  font-size: 0.78rem;
  margin-top: 24px;
  color: var(--color-text-muted);
  opacity: 0.7;
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 22px;
}
.card-icon { font-size: 1.8rem; margin-bottom: 12px; }
.card p { margin: 0; font-size: 0.92rem; }

/* Process */
.process {
  list-style: none;
  padding: 0;
  margin: 40px 0 0;
  display: grid;
  gap: 28px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.process li {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.process-number {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.process p { margin: 0; }

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-item {
  min-height: 200px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.gallery-item:hover img { transform: scale(1.04); }

/* Vorher / Nachher */
.before-after {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 40px 0 32px;
}
.ba-item {
  margin: 0;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.ba-item img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.ba-item figcaption { position: absolute; top: 14px; left: 14px; }
.ba-tag {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(13, 15, 18, 0.75);
  color: var(--color-text);
  backdrop-filter: blur(4px);
}
.ba-tag-after { background: var(--color-accent); color: #fff; }

/* Intro media */
.intro-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.intro-media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* Kontakt */
.kontakt-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}
.contact-list { list-style: none; padding: 0; margin: 24px 0; }
.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-list strong { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-muted); }
.contact-list a { color: var(--color-text); font-weight: 600; }

.social-links { display: flex; gap: 16px; margin-top: 8px; flex-wrap: wrap; }
.social-links a {
  font-size: 0.85rem;
  padding: 8px 14px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  color: var(--color-text-muted);
}
.social-links a:hover { border-color: var(--color-accent); color: var(--color-text); }

.kontakt-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
}
.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 6px;
  color: var(--color-text-muted);
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.95rem;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.form-row-split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-checkbox { display: flex; align-items: flex-start; gap: 10px; }
.form-checkbox input { width: auto; margin-top: 4px; }
.form-checkbox label { margin: 0; font-size: 0.85rem; }
.form-checkbox a { color: var(--color-accent); }
.form-note { font-size: 0.75rem; margin-top: 14px; opacity: 0.75; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 40px 0;
  background: var(--color-bg-alt);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.footer-inner p { margin: 6px 0 0; font-size: 0.85rem; }
.footer-nav { display: flex; gap: 20px; }
.footer-nav a { color: var(--color-text-muted); font-size: 0.9rem; }
.footer-nav a:hover { color: var(--color-text); }
.copyright { width: 100%; text-align: center; font-size: 0.78rem; opacity: 0.6; margin-top: 10px; }

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  max-width: 640px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  z-index: 100;
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}
.cookie-banner p { margin: 0 0 14px; font-size: 0.85rem; }
.cookie-actions { display: flex; gap: 12px; justify-content: flex-end; }

/* Legal pages */
.legal-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 24px 100px;
}
.legal-content h1 { margin-bottom: 24px; }
.legal-content h2 { font-size: 1.3rem; margin-top: 36px; }
.legal-content p, .legal-content li { color: var(--color-text-muted); }

/* Responsive */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .intro-inner, .kontakt-inner { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }

  .site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 24px;
    gap: 16px;
  }
}

@media (max-width: 560px) {
  .cards-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .before-after { grid-template-columns: 1fr; }
  .form-row-split { grid-template-columns: 1fr; }
  .header-actions .phone-link span { display: none; }
  .header-actions .btn { display: none; }
  .header-actions { gap: 12px; }
}

@media (max-width: 400px) {
  .logo { font-size: 1.05rem; }
}