/* =========================================================
   LIVID Home – Design System
   Cormorant Garamond + Inter · 8px-Raster · helle Papeteriewelt
   ========================================================= */

:root {
  /* ---- Farben: LIVID Home (hell) ---- */
  --bg-primary:   #F5F1EB;
  --bg-secondary: #ECE5DB;
  --bg-tertiary:  #E1D8CC;
  --surface:      #F8F5F0;
  --text-primary:   #2F2925;
  --text-secondary: #6E655D;
  --line:        #D8CEC2;
  --accent-warm: #A7875B;
  --accent-soft: #B89A71;

  /* ---- Farben: LIVID Private / dunkle Welt ---- */
  --d-bg-primary:   #1F1A17;
  --d-bg-secondary: #2A2420;
  --d-bg-tertiary:  #3A322D;
  --d-surface:      #241E1A;
  --d-text-primary:   #F2ECE4;
  --d-text-secondary: #C8BDB1;
  --d-line:        #4B413A;
  --d-accent-warm: #A88354;
  --d-accent-soft: #B9986C;

  /* ---- Schrift ---- */
  --font-serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  /* ---- Spacing (8px) ---- */
  --xs: 8px;  --sm: 16px; --md: 24px; --lg: 32px;
  --xl: 48px; --xxl: 72px;
  --section: 128px;

  /* ---- Layout ---- */
  --max-width: 1440px;
  --content-width: 1200px;
  --text-width: 760px;
  --narrow: 640px;
  --gutter: 64px;

  /* ---- Radius ---- */
  --r-button: 999px;
  --r-card: 24px;
  --r-input: 14px;
  --r-image: 20px;

  /* ---- Motion ---- */
  --dur-fast: 180ms;
  --dur-base: 280ms;
  --dur-slow: 420ms;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ============ Reset ============ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* sehr dezente Papier-Textur */
  background-image:
    radial-gradient(rgba(167,135,91,0.025) 1px, transparent 1px);
  background-size: 4px 4px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; }
p { margin: 0; }

/* ============ Typografie ============ */
.serif { font-family: var(--font-serif); }
.eyebrow {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-warm);
  font-weight: 500;
  margin-bottom: var(--md);
}
.hero-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.06;
  letter-spacing: 0.01em;
}
h1, .h1 {
  font-family: var(--font-serif);
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.1;
}
h2, .h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.6vw, 38px);
  line-height: 1.18;
}
h3, .h3 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.25;
}
.lead {
  font-size: clamp(18px, 2vw, 20px);
  line-height: 1.6;
  color: var(--text-secondary);
}
.muted { color: var(--text-secondary); }
.measure { max-width: var(--text-width); }
.measure-narrow { max-width: var(--narrow); }

/* ============ Layout ============ */
.container {
  width: 100%;
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--section); }
.section-sm { padding-block: var(--xxl); }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }

.divider {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 0;
}
.rule {
  width: 56px; height: 1px;
  background: var(--accent-warm);
  border: 0; margin: 0 0 var(--md);
}
.center .rule { margin-inline: auto; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--xs);
  font-size: 15px;
  letter-spacing: 0.02em;
  padding: 15px 30px;
  border-radius: var(--r-button);
  border: 1px solid transparent;
  transition: transform var(--dur-base) var(--ease),
              background var(--dur-base) var(--ease),
              color var(--dur-base) var(--ease),
              border-color var(--dur-base) var(--ease);
}
.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
}
.btn-primary:hover { background: #41382F; transform: translateY(-2px); }
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--line);
}
.btn-secondary:hover { border-color: var(--accent-warm); color: var(--accent-warm); }
.btn-arrow { gap: 10px; }
.btn-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 15px; color: var(--accent-warm);
  letter-spacing: 0.02em;
  transition: gap var(--dur-base) var(--ease);
}
.btn-link:hover { gap: 14px; }

/* dunkle Buttons (Private/Ablauf) */
.theme-dark .btn-primary { background: var(--d-accent-warm); color: var(--d-bg-primary); }
.theme-dark .btn-primary:hover { background: var(--d-accent-soft); }
.theme-dark .btn-secondary { color: var(--d-text-primary); border-color: var(--d-line); }
.theme-dark .btn-secondary:hover { border-color: var(--d-accent-warm); color: var(--d-accent-soft); }
.theme-dark .btn-link { color: var(--d-accent-soft); }

/* ============ Header ============ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg-primary) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease), background var(--dur-base) var(--ease);
}
.site-header.scrolled { border-bottom-color: var(--line); }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--md);
  padding-block: 22px;
}
.brand { display: flex; flex-direction: column; align-items: flex-start; line-height: 1; }
.brand .brand-name {
  font-family: var(--font-serif);
  font-size: 26px; letter-spacing: 0.28em;
  font-weight: 500; padding-left: 0;
}
.brand .brand-sub {
  font-family: var(--font-sans);
  font-size: 10px; letter-spacing: 0.42em;
  text-transform: uppercase; color: var(--text-secondary);
  margin-top: 4px; padding-left: 0;
}
.nav-links { display: flex; align-items: center; gap: var(--lg); list-style: none; margin: 0; padding: 0; }
.nav-links a {
  font-size: 15px; letter-spacing: 0.03em; color: var(--text-secondary);
  position: relative; padding-block: 4px;
  transition: color var(--dur-base) var(--ease);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px;
  width: 0; height: 1px; background: var(--accent-warm);
  transition: width var(--dur-base) var(--ease);
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text-primary); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { width: 100%; }
.nav-right { display: flex; align-items: center; gap: var(--md); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 1.5px; background: var(--text-primary); margin: 5px 0; transition: var(--dur-base) var(--ease); }

/* dunkler Header */
.theme-dark .site-header {
  background: color-mix(in srgb, var(--d-bg-primary) 80%, transparent);
}
.theme-dark .site-header.scrolled { border-bottom-color: var(--d-line); }
.theme-dark .brand .brand-name { color: var(--d-text-primary); }
.theme-dark .brand .brand-sub { color: var(--d-text-secondary); }
.theme-dark .nav-links a { color: var(--d-text-secondary); }
.theme-dark .nav-links a:hover, .theme-dark .nav-links a[aria-current="page"] { color: var(--d-text-primary); }
.theme-dark .nav-toggle span { background: var(--d-text-primary); }

/* ============ Hero ============ */
.hero { padding-block: var(--xxl) var(--section); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: var(--xl);
  align-items: center;
}
.hero-claim {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(18px, 2vw, 22px);
  color: var(--accent-warm);
  margin-bottom: var(--md);
}
.hero-copy .lead { margin-top: var(--md); max-width: 46ch; }
.hero-cta { margin-top: var(--xl); display: flex; gap: var(--sm); flex-wrap: wrap; }
.hero-figure img {
  width: 100%; border-radius: var(--r-image);
  aspect-ratio: 3 / 2; object-fit: cover;
  box-shadow: 0 30px 60px -30px rgba(47,41,37,0.28);
}

/* ============ Cards / Grid ============ */
.grid { display: grid; gap: var(--lg); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: var(--xl) var(--lg);
  transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-soft);
  box-shadow: 0 24px 50px -34px rgba(47,41,37,0.35);
}
.card .card-icon { color: var(--accent-warm); margin-bottom: var(--md); }
.card h3 { margin-bottom: var(--xs); }
.card p { color: var(--text-secondary); font-size: 16px; }
.card-num {
  font-family: var(--font-serif);
  font-size: 20px; color: var(--accent-warm);
  border: 1px solid var(--line); border-radius: 999px;
  width: 44px; height: 44px; display: grid; place-items: center;
  margin-bottom: var(--md);
}

/* Feature-Liste (Warum LIVID Home) */
.features { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--xl) var(--lg); }
.feature h3 { margin-bottom: var(--xs); }
.feature p { color: var(--text-secondary); font-size: 16px; }

/* Editorial Split (Bild + Text) */
.split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--xl); align-items: center;
}
.split.reverse .split-media { order: 2; }
.split-media img {
  width: 100%; border-radius: var(--r-image);
  aspect-ratio: 4 / 5; object-fit: cover;
}
.split-media.landscape img { aspect-ratio: 3 / 2; }
.split-media.natural img { aspect-ratio: auto; }

/* Listen mit feinen Linien */
.detail-list { list-style: none; margin: var(--md) 0 0; padding: 0; }
.detail-list li {
  padding: 14px 0; border-top: 1px solid var(--line);
  color: var(--text-secondary); font-size: 16px;
}
.detail-list li:first-child { border-top: 0; }

/* ============ Teaser-Block (Zusammenarbeit auf Home) ============ */
.teaser {
  background: var(--bg-secondary);
  border-radius: var(--r-card);
  padding: var(--xxl) var(--xl);
  display: grid; grid-template-columns: 1.4fr 1fr;
  gap: var(--xl); align-items: center;
}

/* ============ CTA-Block ============ */
.cta-block { text-align: center; }
.cta-block .h2 { margin-bottom: var(--md); }
.cta-block .lead { margin-inline: auto; margin-bottom: var(--xl); }

/* ============ Sektion auf farbiger Fläche ============ */
.bg-secondary { background: var(--bg-secondary); }
.bg-tertiary  { background: var(--bg-tertiary); }

/* ============ Dunkle Welt (Ablauf / Private) ============ */
.theme-dark {
  background: var(--d-bg-primary);
  color: var(--d-text-primary);
  background-image: radial-gradient(rgba(184,154,108,0.04) 1px, transparent 1px);
  background-size: 4px 4px;
}
.theme-dark .eyebrow { color: var(--d-accent-soft); }
.theme-dark .muted, .theme-dark .lead { color: var(--d-text-secondary); }
.theme-dark .rule { background: var(--d-accent-warm); }
.theme-dark .divider { border-top-color: var(--d-line); }
.theme-dark .hero-claim { color: var(--d-accent-soft); }
.theme-dark .card {
  background: var(--d-surface);
  border-color: var(--d-line);
}
.theme-dark .card:hover { border-color: var(--d-accent-warm); box-shadow: 0 30px 60px -34px rgba(0,0,0,0.6); }
.theme-dark .card p { color: var(--d-text-secondary); }
.theme-dark .card-num { color: var(--d-accent-soft); border-color: var(--d-line); }
.theme-dark .detail-list li { border-top-color: var(--d-line); color: var(--d-text-secondary); }
.theme-dark .bg-secondary { background: var(--d-bg-secondary); }

.dark-hero {
  position: relative;
  padding-block: var(--section);
  overflow: hidden;
}
.dark-hero .dark-hero-media {
  position: absolute; inset: 0; z-index: 0;
}
.dark-hero .dark-hero-media img { width: 100%; height: 100%; object-fit: cover; opacity: 0.5; }
.dark-hero .dark-hero-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(31,26,23,0.55) 0%, rgba(31,26,23,0.82) 70%, var(--d-bg-primary) 100%);
}
.dark-hero .container { position: relative; z-index: 1; }

/* Prozess-Phasen (Ablauf) */
.phase {
  display: grid; grid-template-columns: 64px 1fr;
  gap: var(--lg); align-items: start;
  padding-block: var(--xl);
  border-top: 1px solid var(--d-line);
}
.phase:first-of-type { border-top: 0; }
.phase .phase-num {
  font-family: var(--font-serif); font-size: 24px;
  color: var(--d-accent-soft);
  width: 54px; height: 54px; border: 1px solid var(--d-line);
  border-radius: 999px; display: grid; place-items: center;
}
.phase h3 { color: var(--d-text-primary); margin-bottom: var(--sm); }
.phase p { color: var(--d-text-secondary); }
.phase .detail-list { margin-top: var(--sm); }

.gallery-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--md); }
.gallery-2 img { border-radius: var(--r-image); aspect-ratio: 4/5; object-fit: cover; width: 100%; }

/* ============ Formular ============ */
.form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: var(--xl);
}
.field { margin-bottom: var(--md); }
.field label { display: block; font-size: 14px; margin-bottom: 8px; color: var(--text-secondary); letter-spacing: 0.02em; }
.field input, .field textarea, .field select {
  width: 100%; font-family: inherit; font-size: 16px;
  padding: 14px 16px; color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--line); border-radius: var(--r-input);
  transition: border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--accent-warm);
  box-shadow: 0 0 0 3px rgba(167,135,91,0.15);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--md); }
.form-note { font-size: 13px; color: var(--text-secondary); margin-top: var(--sm); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status.is-error { background: #F3E3E1; }
.form-status.is-ok { background: #E7EDE4; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: var(--xl); align-items: start; }
.contact-detail { margin-bottom: var(--lg); }
.contact-detail .label { font-size: 13px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent-warm); margin-bottom: 6px; }
.contact-detail .value { font-size: 19px; font-family: var(--font-serif); }

/* ============ Footer ============ */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--line);
  padding-block: var(--xxl) var(--xl);
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--xl); align-items: start;
}
.footer-grid .brand-name { font-family: var(--font-serif); font-size: 24px; letter-spacing: 0.26em; padding-left: 0; }
.footer-grid .brand-sub { font-size: 10px; letter-spacing: 0.4em; text-transform: uppercase; color: var(--text-secondary); margin-top: 6px; }
.footer-claim { font-family: var(--font-serif); font-style: italic; color: var(--accent-warm); margin-top: var(--md); }
.footer-col h4 { font-family: var(--font-sans); font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-secondary); font-weight: 500; margin-bottom: var(--md); }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { color: var(--text-primary); font-size: 15px; transition: color var(--dur-base) var(--ease); }
.footer-col a:hover { color: var(--accent-warm); }
.footer-bottom {
  margin-top: var(--xxl); padding-top: var(--md);
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--sm);
  font-size: 13px; color: var(--text-secondary);
}
.footer-bottom a { color: var(--text-secondary); }
.footer-bottom a:hover { color: var(--accent-warm); }

.theme-dark .site-footer { background: var(--d-bg-secondary); border-top-color: var(--d-line); }
.theme-dark .footer-grid .brand-sub, .theme-dark .footer-col h4, .theme-dark .footer-bottom { color: var(--d-text-secondary); }
.theme-dark .footer-col a { color: var(--d-text-primary); }
.theme-dark .footer-col a:hover, .theme-dark .footer-bottom a:hover { color: var(--d-accent-soft); }
.theme-dark .footer-claim { color: var(--d-accent-soft); }
.theme-dark .footer-bottom { border-top-color: var(--d-line); }

/* ============ FAQ (Accordion) ============ */
.faq { max-width: var(--text-width); }
.faq details {
  border-top: 1px solid var(--line);
  padding: var(--md) 0;
}
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.2vw, 24px);
  line-height: 1.3;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--md);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--font-sans);
  font-size: 24px;
  color: var(--accent-warm);
  transition: transform var(--dur-base) var(--ease);
}
.faq details[open] summary::after { content: "–"; }
.faq details p {
  color: var(--text-secondary);
  margin-top: var(--sm);
  max-width: 64ch;
}
.theme-dark .faq details { border-top-color: var(--d-line); }
.theme-dark .faq details:last-child { border-bottom-color: var(--d-line); }
.theme-dark .faq summary { color: var(--d-text-primary); }
.theme-dark .faq details p { color: var(--d-text-secondary); }

/* ============ Scroll-Reveal ============ */
/* Nur verbergen, wenn JS aktiv ist (.js wird per Inline-Script gesetzt).
   Ohne JS bleiben alle Inhalte sichtbar – kein Risiko leerer Seiten. */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============ Hilfsklassen ============ */
.stack-sm > * + * { margin-top: var(--sm); }
.stack-md > * + * { margin-top: var(--md); }
.mt-md { margin-top: var(--md); }
.mt-lg { margin-top: var(--lg); }
.mt-xl { margin-top: var(--xl); }

/* ============ Responsive ============ */
@media (max-width: 960px) {
  :root { --gutter: 40px; --section: 96px; }
  .hero-grid { grid-template-columns: 1fr; gap: var(--lg); }
  .hero-figure { order: -1; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .split, .teaser, .contact-grid { grid-template-columns: 1fr; gap: var(--lg); }
  .split.reverse .split-media { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery-2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  :root { --gutter: 24px; --section: 72px; }
  body { font-size: 16px; }
  .nav-links, .nav-right .btn { display: none; }
  .nav-toggle { display: block; }
  .site-header.nav-open .nav-links {
    display: flex; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; gap: 0;
    background: var(--bg-primary); border-bottom: 1px solid var(--line);
    padding: var(--sm) var(--gutter) var(--lg);
  }
  .theme-dark .site-header.nav-open .nav-links { background: var(--d-bg-primary); border-bottom-color: var(--d-line); }
  .site-header.nav-open .nav-links li { width: 100%; }
  .site-header.nav-open .nav-links a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .theme-dark .site-header.nav-open .nav-links a { border-bottom-color: var(--d-line); }
  .grid-3, .grid-2, .features, .field-row, .footer-grid, .gallery-2 { grid-template-columns: 1fr; }
  .phase { grid-template-columns: 48px 1fr; gap: var(--md); }
  .card { padding: var(--lg) var(--md); }
  .hero-cta { width: 100%; }
  .hero-cta .btn { width: 100%; justify-content: center; }
}