/* ==========================================================================
   Fliesen Rupflin — Design System
   Farben/Typografie abgeleitet aus dem bestehenden Logo (Google-Unternehmensprofil):
   handgezeichnetes blaues Fliesen-Icon mit schwarzem Pinselrand + klassische
   Serifenschrift "Fliesen Rupflin" — siehe PRODUCT.md Designprinzip
   (vorhandenes Logo/Farben verwenden, nicht ersetzen).
   Struktur nach docs/website/DESIGN-SYSTEM.md (local-websites-mvp)
   ========================================================================== */

:root {
  /* Farben — aus dem Logo übernommen */
  --color-ink: #2f333a;
  --color-ink-soft: #565b63;
  --color-paper: #fafbfc;
  --color-paper-alt: #eef2f6;
  --color-brand: #1d5fa8;
  --color-brand-dark: #123f72;
  --color-accent-ink: #1a1a1a;
  --color-stone: #6b7178;
  --color-stone-light: #dfe3e8;
  --color-line: #e1e5ea;
  --color-success: #2f6b4f;

  /* Spacing Scale */
  --space-2xs: 0.375rem;
  --space-xs: 0.75rem;
  --space-sm: 1.125rem;
  --space-md: 1.75rem;
  --space-lg: 2.75rem;
  --space-xl: 4.5rem;
  --space-2xl: 7rem;

  /* Typografie — Serife nah am Logo-Schriftzug */
  --font-head: "EB Garamond", "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --fs-h1: clamp(2.2rem, 5vw, 3.4rem);
  --fs-h2: clamp(1.7rem, 3.4vw, 2.4rem);
  --fs-h3: clamp(1.25rem, 2.2vw, 1.6rem);
  --fs-body: 1.0625rem;
  --fs-small: 0.9rem;

  /* Container */
  --container-max: 1180px;
  --radius: 6px;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--color-ink);
  background: var(--color-paper);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-ink);
  margin: 0 0 var(--space-sm);
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { margin: 0 0 var(--space-sm); color: var(--color-ink-soft); }
a { color: var(--color-brand-dark); }
img { max-width: 100%; display: block; }

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

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-ink);
  color: #fff;
  padding: var(--space-xs) var(--space-sm);
  z-index: 200;
}
.skip-link:focus { left: var(--space-sm); }

/* ---------------------------------------------------------------------- */
/* Header / Navigation                                                    */
/* ---------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 251, 252, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  color: var(--color-ink);
}
.brand-mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
}
.brand-name {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.2rem;
  line-height: 1.1;
}
.brand-sub {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-stone);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle svg { width: 22px; height: 22px; }

.main-nav ul {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav a {
  text-decoration: none;
  color: var(--color-ink);
  font-weight: 500;
  font-size: 0.98rem;
  padding: var(--space-2xs) 0;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  border-bottom-color: var(--color-brand);
}
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
}

/* ---------------------------------------------------------------------- */
/* Buttons                                                                */
/* ---------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  padding: 0.85em 1.5em;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn.btn-primary {
  background: var(--color-brand);
  color: #fff;
}
.btn.btn-primary:hover { background: var(--color-brand-dark); }
.btn.btn-secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}
.btn.btn-secondary:hover { background: var(--color-ink); color: #fff; }
.btn-small { padding: 0.55em 1em; font-size: 0.88rem; }
.btn:focus-visible { outline: 3px solid var(--color-brand); outline-offset: 2px; }

/* ---------------------------------------------------------------------- */
/* Hero                                                                    */
/* ---------------------------------------------------------------------- */
.hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  background:
    linear-gradient(180deg, var(--color-paper-alt) 0%, var(--color-paper) 100%);
  position: relative;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-xl);
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-brand-dark);
  margin-bottom: var(--space-xs);
}
.hero h1 { margin-bottom: var(--space-sm); }
.hero-lede { font-size: 1.15rem; max-width: 44ch; }
.hero-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-md);
}

/* Trust-Stat-Row */
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-line);
}
.trust-item { min-width: 140px; }
.trust-value {
  font-family: var(--font-head);
  font-size: 1.9rem;
  color: var(--color-brand-dark);
  line-height: 1;
}
.trust-label {
  font-size: var(--fs-small);
  color: var(--color-stone);
  margin-top: var(--space-2xs);
}
.trust-badges {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-size: var(--fs-small);
  color: var(--color-ink-soft);
  background: var(--color-paper-alt);
  border: 1px solid var(--color-line);
  padding: var(--space-2xs) var(--space-xs);
  border-radius: 999px;
}

/* Foto-Rahmen (Referenz-/Inspirationsbilder) */
.photo-frame {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
  position: relative;
  overflow: hidden;
  background: var(--color-stone-light);
}
.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.photo-frame .photo-caption {
  position: absolute;
  left: var(--space-md);
  bottom: var(--space-md);
  right: var(--space-md);
  font-size: var(--fs-small);
  color: var(--color-ink);
  background: rgba(250,251,252,0.92);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius);
  line-height: 1.35;
}
.photo-caption strong { font-weight: 600; }

/* Bild-Galerie ("Eindrücke" / Inspirationsbilder, keine echten Kundenprojekte) */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.gallery-item {
  aspect-ratio: 3 / 4;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-line);
  position: relative;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.gallery-note {
  font-size: var(--fs-small);
  color: var(--color-stone);
  margin-top: var(--space-sm);
}

/* ---------------------------------------------------------------------- */
/* Sections                                                                */
/* ---------------------------------------------------------------------- */
.section { padding: var(--space-xl) 0; }
.section-alt { background: var(--color-paper-alt); }
.section-head {
  max-width: 62ch;
  margin-bottom: var(--space-lg);
}
.section-head .hero-eyebrow { margin-bottom: var(--space-2xs); }

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.card-number {
  font-family: var(--font-head);
  color: var(--color-brand);
  font-size: 1rem;
  font-weight: 600;
}
.card h3 { margin-bottom: var(--space-2xs); }
.card p { flex-grow: 1; }
.card-link {
  font-weight: 600;
  font-size: var(--fs-small);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
}

/* Ablauf */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  counter-reset: step;
}
.step {
  position: relative;
  padding-top: var(--space-lg);
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-head);
  font-size: 1.6rem;
  color: var(--color-brand);
  display: block;
  margin-bottom: var(--space-xs);
}
.step h3 { font-size: 1.05rem; }
.step p { font-size: var(--fs-small); }

/* Info list (Vertrauen / Kompetenzen) */
.info-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-sm); }
.info-list li {
  display: flex;
  gap: var(--space-xs);
  align-items: flex-start;
}
.info-list svg { flex-shrink: 0; margin-top: 3px; color: var(--color-brand); }

/* Contact section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}
.contact-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: var(--space-lg);
}
.contact-methods { list-style: none; padding: 0; margin: var(--space-md) 0 0; display: grid; gap: var(--space-sm); }
.contact-methods a {
  display: flex;
  gap: var(--space-xs);
  align-items: center;
  text-decoration: none;
  color: var(--color-ink);
  font-weight: 500;
}
.contact-methods svg { color: var(--color-brand); flex-shrink: 0; }
.response-promise {
  margin-top: var(--space-md);
  padding: var(--space-sm);
  background: var(--color-paper-alt);
  border-radius: var(--radius);
  font-size: var(--fs-small);
}

form.contact-form { display: grid; gap: var(--space-sm); }
.form-row { display: grid; gap: var(--space-2xs); }
.form-row label { font-weight: 600; font-size: var(--fs-small); }
.form-row input,
.form-row select,
.form-row textarea {
  font: inherit;
  padding: 0.75em 0.9em;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-paper);
  color: var(--color-ink);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: 2px solid var(--color-brand);
  outline-offset: 1px;
}
.form-consent { display: flex; gap: var(--space-xs); align-items: flex-start; font-size: var(--fs-small); }
.form-consent input { margin-top: 4px; }
.honeypot-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: var(--fs-small); color: var(--color-stone); }
.form-success {
  display: none;
  background: #eaf3ec;
  border: 1px solid var(--color-success);
  color: var(--color-success);
  padding: var(--space-sm);
  border-radius: var(--radius);
  font-weight: 600;
}

/* Map / area */
.area-map {
  margin-top: var(--space-lg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
}
.area-map iframe { width: 100%; height: 340px; border: 0; display: block; }
.area-map-note { font-size: var(--fs-small); color: var(--color-stone); padding: var(--space-xs) var(--space-sm); }

/* CTA band */
.cta-band {
  background: var(--color-ink);
  color: #fff;
  padding: var(--space-xl) 0;
  text-align: center;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #ccd3da; max-width: 56ch; margin-left: auto; margin-right: auto; }
.cta-band .btn-secondary { border-color: #fff; color: #fff; }
.cta-band .btn-secondary:hover { background: #fff; color: var(--color-ink); }

/* ---------------------------------------------------------------------- */
/* Footer                                                                  */
/* ---------------------------------------------------------------------- */
.site-footer {
  background: var(--color-paper-alt);
  border-top: 1px solid var(--color-line);
  padding: var(--space-xl) 0 var(--space-md);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
}
.footer-grid h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-stone);
  margin-bottom: var(--space-sm);
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-xs); }
.footer-grid a { color: var(--color-ink); text-decoration: none; }
.footer-grid a:hover { text-decoration: underline; }
.footer-bottom {
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: var(--fs-small);
  color: var(--color-stone);
}
.footer-bottom ul { list-style: none; display: flex; gap: var(--space-md); padding: 0; margin: 0; }
.footer-bottom a { color: var(--color-stone); }

/* Breadcrumb / page hero (Unterseiten) */
.page-hero {
  padding: var(--space-xl) 0 var(--space-lg);
  background: var(--color-paper-alt);
  border-bottom: 1px solid var(--color-line);
}
.page-hero .hero-eyebrow { margin-bottom: var(--space-2xs); }
.page-hero p { max-width: 60ch; }

/* Legal pages */
.legal-content { max-width: 74ch; }
.legal-content h2 { margin-top: var(--space-lg); font-size: 1.25rem; }
.legal-content ul { color: var(--color-ink-soft); }

/* ---------------------------------------------------------------------- */
/* Responsive — Breakpoints                                               */
/* ---------------------------------------------------------------------- */
@media (max-width: 960px) {
  .hero .container { grid-template-columns: 1fr; }
  .photo-frame { order: -1; aspect-ratio: 16/9; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .main-nav {
    position: fixed;
    inset: 76px 0 0 0;
    background: var(--color-paper);
    padding: var(--space-lg) var(--space-md);
    transform: translateX(100%);
    transition: transform .2s ease;
    overflow-y: auto;
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: var(--space-md); }
  .main-nav a { font-size: 1.15rem; }
  .nav-toggle { display: inline-flex; }
  .header-cta { display: none; }
  .card-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .trust-row { gap: var(--space-md); }
  .footer-bottom { flex-direction: column; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-sm); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .main-nav { transition: none; }
}