/* ==========================================================================
   Glas- & Gebäudereinigung Frank – Design System
   Palette/Typo: Gestaltungsvorschlag, siehe phase2_markenanalyse.md
   ========================================================================== */

:root {
  --color-primary: #0f3b4d;
  --color-primary-dark: #0a2830;
  --color-accent: #4fb8c4;
  --color-accent-warm: #c9a15a;
  --color-bg: #ffffff;
  --color-bg-soft: #f3f8f9;
  --color-bg-deep: #0a2126;
  --color-text: #16262b;
  --color-text-muted: #4c5d63;
  --color-text-on-dark: #eaf3f4;
  --color-border: #e1e8ea;
  --color-success: #2f8f5b;

  --font-heading: "Manrope", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;

  --radius-md: 10px;
  --radius-lg: 20px;
  --shadow-md: 0 10px 30px -12px rgba(15, 59, 77, 0.25);
  --shadow-lg: 0 24px 60px -20px rgba(15, 59, 77, 0.35);
  --max-width: 1180px;
  --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.2;
  margin: 0 0 var(--space-2);
}
h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { margin: 0 0 var(--space-2); color: var(--color-text-muted); }
ul { padding-left: 1.2rem; }
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-3);
}
section { padding-block: var(--space-6); }
.section-soft { background: var(--color-bg-soft); }
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-1);
}
.section-head { max-width: 640px; margin-bottom: var(--space-4); }
.section-head.center { margin-inline: auto; text-align: center; }

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.8rem 1.2rem;
  z-index: 1000;
  border-radius: 0 0 8px 0;
}
.skip-link:focus {
  left: 0;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 3px solid var(--color-accent-warm);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--color-accent-warm);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.55);
  color: inherit;
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); }
.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-block { width: 100%; justify-content: center; }

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  border-bottom: 1px solid var(--color-border);
}
/* Blur lives on a pseudo-element rather than .site-header itself: backdrop-filter on an
   ancestor creates a containing block for position:fixed descendants (the mobile .main-nav
   panel), which broke its full-viewport overlay. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: 0.85rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
  margin-right: auto;
}
.brand svg { width: 40px; height: 40px; flex-shrink: 0; color: var(--color-primary); }
.brand-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.02rem;
  color: var(--color-primary);
  line-height: 1.05;
  white-space: nowrap;
}
.brand-text span {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.68rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.main-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  list-style: none;
  padding: 0;
  margin: 0;
}
.main-nav a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  white-space: nowrap;
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-primary);
  border-color: var(--color-accent-warm);
}
.header-actions { display: flex; align-items: center; gap: var(--space-2); }
.header-actions .btn-outline { padding: 0.6rem 1.1rem; font-size: 0.85rem; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
}
.nav-toggle svg { width: 28px; height: 28px; color: var(--color-primary); }

@media (max-width: 940px) {
  .main-nav {
    position: fixed;
    inset: 68px 0 0 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-3);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    gap: var(--space-3);
    overflow-y: auto;
  }
  .main-nav.is-open { opacity: 1; transform: translateY(0); visibility: visible; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav li { border-bottom: 1px solid var(--color-border); }
  .main-nav a { display: block; padding: 0.9rem 0.2rem; }
  .header-actions { flex-direction: column; align-items: stretch; width: 100%; }
  .nav-toggle { display: inline-flex; }
}

/* ---- Hero ---- */
.hero {
  position: relative;
  overflow: hidden;
  color: var(--color-text-on-dark);
  padding-block: var(--space-6) var(--space-5);
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: -10% -10% -10% -10%;
  z-index: -2;
  background:
    radial-gradient(circle at 18% 20%, rgba(79, 184, 196, 0.35), transparent 45%),
    radial-gradient(circle at 82% 75%, rgba(201, 161, 90, 0.22), transparent 50%),
    linear-gradient(155deg, var(--color-bg-deep) 0%, var(--color-primary) 55%, var(--color-primary-dark) 100%);
  will-change: transform;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(234, 243, 244, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(234, 243, 244, 0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-5);
  align-items: center;
}
.hero-copy .eyebrow { color: var(--color-accent-warm); }
.hero h1 { color: #fff; }
.hero-lead { color: rgba(234, 243, 244, 0.86); font-size: 1.08rem; max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(234, 243, 244, 0.18);
}
.hero-meta div strong { display: block; font-family: var(--font-heading); font-size: 1.35rem; color: #fff; }
.hero-meta div span { font-size: 0.82rem; color: rgba(234, 243, 244, 0.7); }

/* Squeegee wipe visual */
.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(234, 243, 244, 0.15);
}
.pane {
  position: absolute;
  inset: 0;
}
.pane-dirty {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0) 40%),
    repeating-linear-gradient(120deg, rgba(234,243,244,0.05) 0 2px, transparent 2px 26px),
    linear-gradient(160deg, #234a56 0%, #16323c 60%, #0e2731 100%);
  filter: saturate(0.7) brightness(0.85);
}
.pane-clean {
  background:
    linear-gradient(150deg, rgba(127, 214, 223, 0.28) 0%, rgba(15, 59, 77, 0.15) 45%, rgba(10, 40, 48, 0.65) 100%),
    url("../assets/img/hero-fensterreinigung.jpg");
  background-size: cover;
  background-position: center 30%;
  clip-path: inset(0 100% 0 0);
  animation: wipe-reveal 2.6s 0.4s ease-in-out forwards;
}
@keyframes wipe-reveal {
  0% { clip-path: inset(0 100% 0 0); }
  70% { clip-path: inset(0 0 0 0); }
  100% { clip-path: inset(0 0 0 0); }
}
.squeegee-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 10px;
  background: linear-gradient(180deg, #f3f8f9, var(--color-accent-warm));
  box-shadow: 0 0 24px 4px rgba(255, 255, 255, 0.6);
  animation: wipe-bar 2.6s 0.4s ease-in-out forwards;
}
@keyframes wipe-bar {
  0% { left: 0; opacity: 1; }
  70% { left: 100%; opacity: 1; }
  100% { left: 100%; opacity: 0; }
}
.hero-labels {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 0.9rem;
  padding: var(--space-4);
  pointer-events: none;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(10, 40, 48, 0.55);
  border: 1px solid rgba(234, 243, 244, 0.35);
  backdrop-filter: blur(6px);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  opacity: 0;
  transform: translateX(-12px);
  animation: label-in 0.5s ease-out forwards;
}
.hero-label svg { width: 16px; height: 16px; color: var(--color-accent-warm); }
.hero-label.l1 { animation-delay: 1.4s; }
.hero-label.l2 { animation-delay: 1.75s; }
.hero-label.l3 { animation-delay: 2.1s; }
@keyframes label-in {
  to { opacity: 1; transform: translateX(0); }
}
.media-tag {
  position: absolute;
  right: var(--space-2);
  bottom: var(--space-2);
  background: rgba(10, 40, 48, 0.6);
  color: rgba(234, 243, 244, 0.85);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
@media (prefers-reduced-motion: reduce) {
  .pane-clean { animation: none; clip-path: inset(0 0 0 0); }
  .squeegee-bar { display: none; }
  .hero-label { animation: none; opacity: 1; transform: none; }
}
@media (max-width: 940px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { aspect-ratio: 16 / 10; }
}

/* ---- Trust strip ---- */
.trust-strip {
  background: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-2);
}
.trust-strip .container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}
.trust-strip strong { color: var(--color-primary); }

/* ---- Cards / grids ---- */
.grid {
  display: grid;
  gap: var(--space-3);
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 940px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.card-media {
  aspect-ratio: 4 / 3;
  margin: calc(var(--space-3) * -1) calc(var(--space-3) * -1) var(--space-3);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  position: relative;
}
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition); }
.card:hover .card-media img { transform: scale(1.05); }
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--color-bg-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
}
.card-icon svg { width: 26px; height: 26px; }
.card a.card-link {
  display: inline-block;
  margin-top: 0.4rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 2px solid var(--color-accent-warm);
}

/* ---- About / split ---- */
.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-5);
  align-items: center;
}
@media (max-width: 940px) { .split { grid-template-columns: 1fr; } }
.owner-graphic {
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.owner-graphic img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.owner-graphic::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, rgba(15, 59, 77, 0.55) 0%, rgba(10, 40, 48, 0.35) 55%, rgba(10, 40, 48, 0.7) 100%),
    radial-gradient(circle at 30% 20%, rgba(79,184,196,0.35), transparent 50%);
}
.stat-row { display: flex; gap: var(--space-4); margin-top: var(--space-3); }
.stat-row strong { display: block; font-family: var(--font-heading); font-size: 2rem; color: var(--color-primary); }
.stat-row span { font-size: 0.85rem; color: var(--color-text-muted); }

/* ---- Steps ---- */
.steps { counter-reset: step; }
.step {
  position: relative;
  padding-left: 3.2rem;
  margin-bottom: var(--space-3);
}
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- FAQ ---- */
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: var(--space-2) 0;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .chev { transition: transform var(--transition); flex-shrink: 0; }
.faq-item[open] summary .chev { transform: rotate(180deg); }
.faq-item p { padding-bottom: var(--space-2); }

/* ---- CTA band ---- */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.cta-band h2 { color: #fff; margin-bottom: 0.3rem; }
.cta-band p { color: rgba(234,243,244,0.85); margin-bottom: 0; }

/* ---- Forms ---- */
.form-grid { display: grid; gap: var(--space-2); grid-template-columns: 1fr 1fr; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 620px) { .form-grid { grid-template-columns: 1fr; } }
label { display: block; font-weight: 600; font-size: 0.88rem; margin-bottom: 0.35rem; color: var(--color-text); }
input, select, textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(79, 184, 196, 0.25);
}
.form-note { font-size: 0.8rem; color: var(--color-text-muted); }
.form-status { font-weight: 600; margin-top: var(--space-2); }
.form-status.ok { color: var(--color-success); }

/* ---- Map ---- */
.map-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 16/9;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; }

/* ---- Contact info list ---- */
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-2); }
.contact-list li { display: flex; gap: 0.7rem; align-items: flex-start; }
.contact-list svg { width: 22px; height: 22px; color: var(--color-accent); flex-shrink: 0; margin-top: 2px; }
.contact-list a { color: var(--color-primary); font-weight: 600; text-decoration: none; }
.contact-list a:hover { text-decoration: underline; }

/* ---- Badges / notice ---- */
.notice {
  background: #fff7e8;
  border: 1px solid #eed7a4;
  color: #6b4f0f;
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  font-size: 0.9rem;
  margin-bottom: var(--space-3);
}
.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--color-bg-soft);
  color: var(--color-primary);
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--color-bg-deep);
  color: rgba(234, 243, 244, 0.8);
  padding-block: var(--space-5) var(--space-3);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
@media (max-width: 940px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: #fff; font-size: 0.95rem; margin-bottom: var(--space-2); }
.site-footer a { color: rgba(234, 243, 244, 0.78); text-decoration: none; font-size: 0.92rem; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem; }
.footer-brand { display: flex; align-items: center; gap: 0.6rem; margin-bottom: var(--space-2); }
.footer-brand svg { width: 34px; height: 34px; color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(234, 243, 244, 0.14);
  padding-top: var(--space-2);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-1);
  font-size: 0.8rem;
  color: rgba(234, 243, 244, 0.55);
}

/* ---- Legal pages ---- */
.legal-content h2 { margin-top: var(--space-4); }
.legal-content h3 { margin-top: var(--space-3); }
.legal-content { max-width: 780px; }

/* ---- Page hero (inner pages) ---- */
.page-hero {
  background: linear-gradient(155deg, var(--color-bg-deep) 0%, var(--color-primary) 100%);
  color: #fff;
  padding-block: var(--space-5) var(--space-4);
}
.page-hero h1 { color: #fff; }
.page-hero p { color: rgba(234,243,244,0.85); max-width: 60ch; }
.breadcrumb { font-size: 0.85rem; color: rgba(234,243,244,0.6); margin-bottom: var(--space-2); }
.breadcrumb a { color: rgba(234,243,244,0.85); text-decoration: none; }

/* ---- Utility ---- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }