/* =============================================================
   LUMA Kosmetik – Portfolio Case CSS
   Isoliert: kein @import von css/style.css
   Namespace: --lu-*
   ============================================================= */

/* ── FONTS ─────────────────────────────────────────────────── */
@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('../fonts/jakarta-700.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: optional;
}
@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('../fonts/jakarta-800.woff2') format('woff2');
  font-weight: 800; font-style: normal; font-display: optional;
}
@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('../fonts/jakarta-600.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: optional;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-400.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: optional;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-300.woff2') format('woff2');
  font-weight: 300; font-style: normal; font-display: optional;
}
@font-face {
  font-family: 'Playfair Display';
  src: url('../fonts/playfair-bold.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: optional;
}
@font-face {
  font-family: 'Playfair Display';
  src: url('../fonts/playfair-bold-italic.woff2') format('woff2');
  font-weight: 700; font-style: italic; font-display: optional;
}

/* ── TOKENS ─────────────────────────────────────────────────── */
:root {
  --lu-bg:            #000000;
  --lu-bg-section:    #050505;
  --lu-bg-card:       rgba(255,255,255,0.04);
  --lu-text:          #f5ede8;
  --lu-text-muted:    #b9aaa2;
  --lu-text-faint:    rgba(245,237,232,0.4);
  --lu-accent:        #c4896b;       /* hero / nav only */
  --lu-accent-light:  #e8b89a;       /* hero only */
  --lu-glass:         rgba(255,255,255,0.05);
  --lu-glass-border:  rgba(255,255,255,0.09);
  --lu-copper-border: rgba(196,137,107,0.35);  /* hero / nav only */
  --lu-red:           #ff2d2d;
  --lu-red-deep:      #c4161c;
  --lu-red-glow:      rgba(255,45,45,0.55);
  --lu-ember:         #ff7a4d;
  --lu-radius:        14px;
  --lu-radius-lg:     24px;
  --lu-ease:          cubic-bezier(0.32, 0.72, 0, 1);
  --lu-ease-in:       cubic-bezier(0.72, 0, 1, 0.32);
  --lu-font-display:  'Plus Jakarta Sans', Georgia, sans-serif;
  --lu-font-serif:    'Playfair Display', Georgia, serif;
  --lu-font-body:     'Inter', system-ui, sans-serif;
}

/* ── RESET ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; color-scheme: dark; }
body {
  background: var(--lu-bg);
  color: var(--lu-text);
  font-family: var(--lu-font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ── UTILITY ────────────────────────────────────────────────── */
.skip-link {
  position: absolute; top: -100px; left: 16px;
  background: var(--lu-accent); color: #fff;
  padding: 8px 14px; border-radius: 6px; z-index: 999;
  font-size: 0.8rem; text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus { top: 16px; }

.back-link {
  position: fixed; top: 20px; left: 20px; z-index: 300;
  font-size: 0.75rem; letter-spacing: 0.04em;
  color: var(--lu-text-muted);
  text-decoration: none;
  padding: 7px 16px;
  background: rgba(15,11,9,0.6);
  border: 1px solid var(--lu-glass-border);
  border-radius: 999px;
  backdrop-filter: blur(12px);
  transition: color 0.3s var(--lu-ease), background 0.3s var(--lu-ease);
}
.back-link:hover { color: var(--lu-text); background: rgba(15,11,9,0.9); }

/* ── NAVIGATION ─────────────────────────────────────────────── */
.lu-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  padding: 22px 40px;
  display: flex; align-items: center; justify-content: space-between;
  transition: background 0.6s var(--lu-ease), padding 0.4s var(--lu-ease),
              backdrop-filter 0.6s var(--lu-ease);
}
.lu-nav.is-scrolled {
  background: rgba(15,11,9,0.88);
  backdrop-filter: blur(22px);
  padding: 14px 40px;
  border-bottom: 1px solid var(--lu-glass-border);
}
.lu-nav-brand {
  font-family: var(--lu-font-display);
  font-size: 1.1rem; font-weight: 800;
  letter-spacing: 0.22em; color: var(--lu-text);
  text-decoration: none;
}
.lu-nav-links {
  display: flex; gap: 28px;
  position: absolute; left: 50%; transform: translateX(-50%);
}
.lu-nav-links a {
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(245,237,232,0.72);
  text-decoration: none;
  transition: color 0.3s var(--lu-ease);
}
.lu-nav-links a:hover { color: var(--lu-text); }
.lu-nav-cta {
  padding: 9px 22px;
  background: rgba(245,237,232,0.08);
  border: 1px solid rgba(245,237,232,0.18);
  border-radius: 999px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em;
  color: var(--lu-text); text-decoration: none;
  transition: background 0.4s var(--lu-ease), border-color 0.4s var(--lu-ease);
}
.lu-nav-cta:hover {
  background: rgba(196,137,107,0.18);
  border-color: var(--lu-copper-border);
}
.lu-nav-burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px;
}
.lu-nav-burger span {
  display: block; width: 22px; height: 1.5px;
  background: var(--lu-text);
  transition: transform 0.35s var(--lu-ease), opacity 0.25s var(--lu-ease);
}
.lu-nav-burger.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.lu-nav-burger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.lu-nav-burger.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.lu-nav-mobile {
  display: none; position: fixed; inset: 0; z-index: 190;
  background: rgba(15,11,9,0.97); backdrop-filter: blur(30px);
  flex-direction: column; align-items: center; justify-content: center; gap: 36px;
}
.lu-nav-mobile.is-open { display: flex; }
.lu-nav-mobile a {
  font-family: var(--lu-font-display); font-size: 2rem; font-weight: 700;
  color: var(--lu-text); text-decoration: none; letter-spacing: 0.05em;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.4s var(--lu-ease), transform 0.4s var(--lu-ease),
              color 0.3s var(--lu-ease);
}
.lu-nav-mobile.is-open a { opacity: 1; transform: translateY(0); }
.lu-nav-mobile.is-open a:nth-child(1) { transition-delay: 0.08s; }
.lu-nav-mobile.is-open a:nth-child(2) { transition-delay: 0.14s; }
.lu-nav-mobile.is-open a:nth-child(3) { transition-delay: 0.20s; }
.lu-nav-mobile.is-open a:nth-child(4) { transition-delay: 0.26s; }
.lu-nav-mobile a:hover { color: var(--lu-accent); }

/* ── HERO (1:1 Skinn) ───────────────────────────────────────── */
.lu-hero {
  position: relative;
  width: 100%; min-height: 100vh;
  display: flex; align-items: flex-end; justify-content: center;
  overflow: hidden;
  padding-bottom: 20vh;
}
.lu-hero-bg {
  position: absolute; inset: 0; z-index: 0;
  overflow: hidden;
}
.lu-hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 5%;
  display: block;
}
.lu-hero::after {
  content: '';
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(
    to bottom,
    rgba(15,11,9,0.05) 0%,
    rgba(15,11,9,0.08) 30%,
    rgba(15,11,9,0.52) 62%,
    rgba(15,11,9,0.82) 85%,
    rgba(15,11,9,0.92) 100%
  );
}
.lu-hero-content {
  position: relative; z-index: 2;
  text-align: center;
  max-width: 720px;
  padding: 0 32px;
}
.lu-hero-eyebrow {
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--lu-text-faint);
  margin-bottom: 1.6rem;
}
.lu-hero-headline {
  font-family: var(--lu-font-display);
  font-size: clamp(2rem, 3.8vw, 4.6rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--lu-text);
  margin: 0 0 1.8rem;
}
/* Das "Skinn-Wort": Playfair italic mit dünnem Rahmen */
.lu-serif-word {
  font-family: var(--lu-font-serif);
  font-style: italic;
  font-weight: 700;
  letter-spacing: 0.01em;
  border: 1px solid rgba(245,237,232,0.32);
  border-radius: 5px;
  padding: 0.02em 0.22em 0.06em;
  display: inline-block;
  line-height: inherit;
}
.lu-hero-sub {
  font-size: 0.92rem;
  color: rgba(245,237,232,0.65);
  line-height: 1.7;
  margin-bottom: 2.8rem;
}
/* CTA Pill: Button-in-Button */
.lu-hero-cta {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 20px 13px 24px;
  background: rgba(245,237,232,0.09);
  border: 1px solid rgba(245,237,232,0.18);
  border-radius: 999px;
  font-size: 0.82rem; font-weight: 600; letter-spacing: 0.04em;
  color: var(--lu-text); text-decoration: none;
  transition: background 0.5s var(--lu-ease), border-color 0.5s var(--lu-ease),
              transform 0.3s var(--lu-ease);
  will-change: transform;
}
.lu-hero-cta:hover {
  background: rgba(196,137,107,0.16);
  border-color: var(--lu-copper-border);
  transform: translateY(-1px);
}
.lu-cta-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px;
  background: rgba(245,237,232,0.1);
  border-radius: 50%; font-size: 0.85rem;
  transition: transform 0.4s var(--lu-ease), background 0.4s var(--lu-ease);
}
.lu-hero-cta:hover .lu-cta-icon {
  transform: translate(2px, -2px);
  background: rgba(196,137,107,0.22);
}
/* Scroll-Indikator */
.lu-scroll-indicator {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--lu-text-faint);
  animation: lu-pulse 3s ease-in-out infinite;
}
@keyframes lu-pulse {
  0%, 100% { opacity: 0.45; }
  50% { opacity: 0.85; }
}

/* ── SECTION BASE ───────────────────────────────────────────── */
.lu-section { padding: 110px 0; position: relative; overflow: hidden; }
.lu-container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 40px;
}
.lu-eyebrow {
  display: inline-block;
  font-size: 0.65rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--lu-red);
  margin-bottom: 1.2rem;
}
.lu-section-headline {
  font-family: var(--lu-font-display);
  font-size: clamp(2rem, 3.8vw, 3.6rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.022em;
  color: var(--lu-text);
  margin-bottom: 0.6rem;
}
.lu-section-headline em {
  font-family: var(--lu-font-serif);
  font-style: italic;
  font-weight: 700;
  letter-spacing: 0;
}
.lu-section-header { margin-bottom: 60px; }
.lu-divider {
  width: 36px; height: 1px;
  background: var(--lu-red);
  box-shadow: 0 0 12px rgba(255,45,45,0.5);
  margin: 1.6rem 0;
  opacity: 0.8;
}

/* ── RED DIAGONAL BEAMS ─────────────────────────────────────── */
.lu-beam {
  position: absolute;
  pointer-events: none; z-index: 0;
  will-change: transform;
}
/* Behandlungen — linke Seite, -22 Grad */
.lu-beam--1 {
  width: 420px; height: 200%;
  top: -50%; left: -6%;
  background: linear-gradient(to right,
    transparent 0%, rgba(255,45,45,0.58) 36%, rgba(220,18,24,0.74) 52%, transparent 100%
  );
  filter: blur(40px);
  transform: translateY(var(--parallax-y, 0px)) rotate(-22deg);
}
/* Über — rechte Seite, flacherer Winkel */
.lu-beam--2 {
  width: 320px; height: 200%;
  top: -50%; right: 2%;
  background: linear-gradient(to left,
    transparent 0%, rgba(255,45,45,0.52) 40%, rgba(196,22,28,0.68) 56%, transparent 100%
  );
  filter: blur(48px);
  transform: translateY(var(--parallax-y, 0px)) rotate(-18deg);
}
/* Philosophie — breiter Mittelstrahl */
.lu-beam--3 {
  width: 560px; height: 200%;
  top: -50%; left: 18%;
  background: linear-gradient(to bottom,
    transparent 0%, rgba(255,45,45,0.58) 26%, rgba(196,22,28,0.76) 50%,
    rgba(255,45,45,0.58) 74%, transparent 100%
  );
  filter: blur(44px);
  transform: translateY(var(--parallax-y, 0px)) rotate(-22deg);
}
/* Ablauf — steilerer Winkel, linke Mitte */
.lu-beam--4 {
  width: 340px; height: 200%;
  top: -50%; left: 22%;
  background: linear-gradient(to right,
    transparent 0%, rgba(255,45,45,0.58) 42%, rgba(220,18,24,0.72) 57%, transparent 100%
  );
  filter: blur(38px);
  transform: translateY(var(--parallax-y, 0px)) rotate(-28deg);
}
/* Kontakt — rechts oben, sehr flach */
.lu-beam--5 {
  width: 380px; height: 200%;
  top: -50%; right: 6%;
  background: linear-gradient(to left,
    transparent 0%, rgba(255,45,45,0.54) 40%, rgba(196,22,28,0.68) 56%, transparent 100%
  );
  filter: blur(45px);
  transform: translateY(var(--parallax-y, 0px)) rotate(-15deg);
}

/* ── BEHANDLUNGEN (Bento-Grid) ───────────────────────────────── */
.lu-behandlungen { background: #000; }
.lu-behandlungen .lu-container { position: relative; z-index: 1; }

.lu-bento {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 12px;
}
.lu-bento-card:nth-child(1) { grid-column: 1 / 3; }
.lu-bento-card:nth-child(2) { grid-column: 3; grid-row: 1 / 3; }
.lu-bento-card:nth-child(3) { grid-column: 1; }
.lu-bento-card:nth-child(4) { grid-column: 2; }
.lu-bento-card { min-height: 260px; }

.lu-bc-outer {
  height: 100%;
  background: #0a0a0a;
  border: 1px solid rgba(255,45,45,0.12);
  border-radius: 20px;
  padding: 2px;
  transition: border-color 0.5s var(--lu-ease), box-shadow 0.5s var(--lu-ease),
              transform 0.4s var(--lu-ease);
  will-change: transform;
}
.lu-bc-outer:hover {
  border-color: rgba(255,45,45,0.5);
  box-shadow: 0 0 40px rgba(255,45,45,0.12), inset 0 0 20px rgba(255,45,45,0.03);
  transform: translateY(-3px) scale(1.005);
}
.lu-bc-inner {
  background: #050505;
  border-radius: 18px;
  padding: 36px;
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.04);
  height: 100%;
  display: flex; flex-direction: column; gap: 14px;
}
.lu-bc-num {
  font-family: var(--lu-font-serif);
  font-style: italic; font-size: 3.2rem; font-weight: 700;
  color: var(--lu-red);
  opacity: 0.16; line-height: 0.85; margin-bottom: -6px;
}
.lu-bc-inner h3 {
  font-family: var(--lu-font-display);
  font-size: 1.14rem; font-weight: 700;
  letter-spacing: -0.015em; color: var(--lu-text); line-height: 1.25;
}
.lu-bc-inner p {
  font-size: 0.87rem; line-height: 1.68;
  color: var(--lu-text-muted); flex: 1;
}
.lu-bc-footer {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 18px;
  border-top: 1px solid rgba(255,45,45,0.1);
  margin-top: auto;
}
.lu-bc-tag {
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(245,237,232,0.3);
}
.lu-bc-price {
  font-family: var(--lu-font-display);
  font-size: 0.9rem; font-weight: 700;
  color: var(--lu-ember);
}

/* ── ÜBER DAS STUDIO (Z-Achsen-Überlappung) ─────────────────── */
.lu-about-section { background: #000; }
.lu-about-section .lu-container { position: relative; z-index: 1; }

.lu-about-z {
  display: grid;
  grid-template-columns: 360px 1fr;
  align-items: start;
}
.lu-portrait-wrap {
  position: relative; z-index: 1;
  transform: rotate(-3deg);
  transform-origin: center bottom;
}
.lu-portrait-outer {
  background: #0a0a0a;
  border: 1px solid rgba(255,45,45,0.2);
  border-radius: 20px; padding: 3px;
}
.lu-portrait-inner {
  border-radius: 18px; overflow: hidden;
  position: relative; aspect-ratio: 4/5;
  background:
    radial-gradient(ellipse 55% 85% at 50% 38%,
      rgba(180,20,20,0.28) 0%, rgba(80,5,5,0.15) 50%, transparent 80%),
    linear-gradient(180deg, #1a0505 0%, #000 100%);
}
.lu-portrait-inner img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
}
.lu-about-text {
  padding-top: 60px; padding-left: 24px;
  margin-left: -60px;
  position: relative; z-index: 2;
  background: linear-gradient(to right, transparent 0%, #000 12%);
}
.lu-about-story {
  font-size: 0.9rem; line-height: 1.75;
  color: var(--lu-text-muted); margin-bottom: 1.5rem;
}
.lu-about-pull-quote {
  margin: 2.4rem 0 2rem;
  padding: 20px 24px;
  border-left: 2px solid var(--lu-red);
  box-shadow: -2px 0 20px rgba(255,45,45,0.2);
  background: rgba(255,45,45,0.03);
  border-radius: 0 8px 8px 0;
  font-family: var(--lu-font-serif);
  font-style: italic; font-size: 1.05rem;
  line-height: 1.55; color: var(--lu-text); opacity: 0.9;
}
.lu-badges {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1.8rem;
}
.lu-badge {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.04em;
  padding: 6px 14px;
  background: rgba(255,45,45,0.05);
  border: 1px solid rgba(255,45,45,0.22);
  border-radius: 999px;
  color: rgba(245,237,232,0.6);
}

/* ── PHILOSOPHIE (Full-Bleed Statement) ─────────────────────── */
.lu-philosophy {
  background: #000; text-align: center;
  padding: 150px 0;
}
.lu-phil-inner {
  position: relative; z-index: 1;
  max-width: 820px; margin: 0 auto; padding: 0 40px;
}
.lu-phil-quote {
  font-family: var(--lu-font-serif);
  font-style: italic; font-weight: 700;
  font-size: clamp(2.2rem, 4.5vw, 4rem);
  line-height: 1.25; color: var(--lu-text); margin-bottom: 1.6rem;
}
.lu-phil-highlight {
  color: var(--lu-red);
  text-shadow: 0 0 40px rgba(255,45,45,0.55), 0 0 80px rgba(255,45,45,0.2);
}
.lu-phil-cite {
  font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: rgba(245,237,232,0.38); font-style: normal;
}

/* ── ABLAUF (Diagonale Schritt-Sequenz) ─────────────────────── */
.lu-ablauf-section { background: #000; }
.lu-ablauf-section .lu-container { position: relative; z-index: 1; }

.lu-staircase {
  display: flex; gap: 24px; align-items: flex-start;
  padding-bottom: 80px;
}
.lu-stair { flex: 1; display: flex; flex-direction: column; gap: 20px; }
.lu-stair:nth-child(2) { margin-top: 80px; }
.lu-stair:nth-child(3) { margin-top: 160px; }

.lu-stair-num {
  font-family: var(--lu-font-serif);
  font-size: 4.5rem; font-style: italic; font-weight: 700;
  color: var(--lu-red); line-height: 1;
  text-shadow: 0 0 60px rgba(255,45,45,0.4), 0 0 120px rgba(255,45,45,0.15);
}
.lu-stair-body { position: relative; }
.lu-stair-body::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(to right, var(--lu-red), rgba(255,45,45,0.3) 70%, transparent);
  box-shadow: 0 0 10px rgba(255,45,45,0.5), 0 0 20px rgba(255,45,45,0.2);
}
.lu-stair-body h3 {
  font-family: var(--lu-font-display);
  font-size: 1.06rem; font-weight: 700;
  letter-spacing: -0.01em; color: var(--lu-text);
  margin-bottom: 10px; padding-top: 18px;
}
.lu-stair-body p {
  font-size: 0.87rem; line-height: 1.7; color: var(--lu-text-muted);
}

/* ── KONTAKT (Editorial + Diagonal-Schnitt) ──────────────────── */
.lu-kontakt-section {
  background: #000; padding-top: 0;
  position: relative; overflow: hidden;
}
.lu-kontakt-img-wrap {
  width: 100%; height: 52vh; max-height: 480px;
  position: relative; overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
}
.lu-kontakt-img-wrap picture { display: block; height: 100%; }
.lu-kontakt-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.lu-kontakt-img-fallback {
  width: 100%; height: 100%;
  background: radial-gradient(ellipse at 40% 55%,
    rgba(130,15,15,0.45) 0%, rgba(40,5,5,0.5) 55%, #000 100%);
}
.lu-kontakt-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.1) 30%, #000 100%);
  pointer-events: none;
}
.lu-kontakt-body { padding: 60px 0 100px; }
.lu-kontakt-head { margin-bottom: 48px; }
.lu-kontakt-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 28px 64px; margin-bottom: 52px;
}
.lu-ki-item { display: flex; flex-direction: column; gap: 5px; }
.lu-ki-label {
  font-size: 0.62rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--lu-red); opacity: 0.8;
}
.lu-ki-value {
  font-size: 0.96rem; color: var(--lu-text);
  text-decoration: none; line-height: 1.6;
}
a.lu-ki-value:hover { color: var(--lu-ember); }

.lu-kontakt-cta {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 24px 16px 30px;
  background: var(--lu-red);
  border: 1px solid var(--lu-red);
  border-radius: 999px;
  font-size: 0.85rem; font-weight: 700;
  letter-spacing: 0.05em; color: #fff; text-decoration: none;
  transition: background 0.4s var(--lu-ease), box-shadow 0.4s var(--lu-ease),
              transform 0.3s var(--lu-ease);
  will-change: transform;
}
.lu-kontakt-cta:hover {
  background: var(--lu-ember);
  border-color: var(--lu-ember);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255,45,45,0.4);
}
.lu-kontakt-cta-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%; font-size: 0.9rem;
  transition: transform 0.4s var(--lu-ease);
}
.lu-kontakt-cta:hover .lu-kontakt-cta-icon { transform: translate(3px, -3px); }

/* ── FOOTER ──────────────────────────────────────────────────── */
.lu-footer {
  padding: 36px 40px;
  background: #000;
  border-top: 1px solid rgba(255,45,45,0.18);
  box-shadow: 0 -1px 24px rgba(255,45,45,0.07);
  text-align: center;
  display: flex; flex-direction: column; gap: 8px;
}
.lu-footer-brand {
  font-family: var(--lu-font-display);
  font-size: 0.82rem; font-weight: 800;
  letter-spacing: 0.18em; color: var(--lu-text-muted);
}
.lu-footer-note { font-size: 0.76rem; color: rgba(245,237,232,0.35); }
.lu-footer-link {
  color: rgba(245,237,232,0.45); text-decoration: none;
  transition: color 0.3s var(--lu-ease);
}
.lu-footer-link:hover { color: var(--lu-red); }

/* ── DEMO-TOAST ──────────────────────────────────────────────── */
.lu-toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 500;
  padding: 14px 20px;
  background: rgba(5,0,0,0.96);
  border: 1px solid rgba(255,45,45,0.3);
  border-radius: var(--lu-radius);
  backdrop-filter: blur(16px);
  font-size: 0.82rem; color: var(--lu-text);
  max-width: 300px; opacity: 0; transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.4s var(--lu-ease), transform 0.4s var(--lu-ease);
}
.lu-toast.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.lu-toast strong { color: var(--lu-ember); }

/* ── SCROLL REVEALS ──────────────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity 0.75s var(--lu-ease), transform 0.75s var(--lu-ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-d1 { transition-delay: 0.12s; }
.reveal-d2 { transition-delay: 0.24s; }
.reveal-d3 { transition-delay: 0.36s; }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .lu-nav-links, .lu-nav-cta { display: none; }
  .lu-nav-burger { display: flex; }
  .lu-nav { padding: 16px 20px; }
  .lu-nav.is-scrolled { padding: 12px 20px; }
  .lu-section { padding: 80px 0; }
  .lu-container { padding: 0 24px; }

  /* Bento → single column */
  .lu-bento { grid-template-columns: 1fr; grid-template-rows: auto; }
  .lu-bento-card:nth-child(1),
  .lu-bento-card:nth-child(2),
  .lu-bento-card:nth-child(3),
  .lu-bento-card:nth-child(4) { grid-column: 1; grid-row: auto; }
  .lu-bento-card { min-height: 220px; }

  /* Über: stack, no overlap */
  .lu-about-z { grid-template-columns: 1fr; gap: 40px; }
  .lu-portrait-wrap { transform: none; max-width: 320px; }
  .lu-about-text { margin-left: 0; padding-left: 0; background: none; padding-top: 0; }

  /* Ablauf: vertical stack */
  .lu-staircase { flex-direction: column; gap: 48px; padding-bottom: 20px; }
  .lu-stair:nth-child(2), .lu-stair:nth-child(3) { margin-top: 0; }

  /* Kontakt */
  .lu-kontakt-img-wrap { height: 40vh; clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%); }
  .lu-kontakt-grid { grid-template-columns: 1fr; gap: 24px; }

  .lu-footer { padding: 28px 24px; }
  .back-link { top: 14px; left: 14px; }
}
@media (max-width: 600px) {
  .lu-hero-content { padding: 0 20px; }
  .lu-hero-headline { font-size: clamp(2.2rem, 10vw, 3.2rem); }
  .lu-section-headline { font-size: clamp(1.75rem, 7vw, 2.4rem); }
  .lu-phil-quote { font-size: clamp(1.8rem, 7vw, 2.8rem); }
  .lu-bc-inner { padding: 24px; }
  .lu-stair-num { font-size: 3.2rem; }
  .lu-phil-inner { padding: 0 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .lu-beam { will-change: auto; }
}

/* =============================================
   Custom Cursor – Spring-Ring + Magnetic CTAs
   ============================================= */
.lu-custom-cursor,
.lu-custom-cursor * {
  cursor: none !important;
}

.lu-cursor-dot {
  position: fixed;
  top: 0; left: 0;
  width: 6px; height: 6px;
  background: #fff;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  will-change: left, top;
  transition: opacity 0.2s;
}

.lu-cursor-ring {
  position: fixed;
  top: 0; left: 0;
  width: 28px; height: 28px;
  border: 1.5px solid rgba(255,255,255,0.55);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  will-change: left, top;
  transition:
    width  0.35s var(--lu-ease),
    height 0.35s var(--lu-ease),
    border-color 0.35s,
    background-color 0.35s,
    opacity 0.2s;
}

.lu-cursor-ring.is-big {
  width: 48px;
  height: 48px;
  border-color: var(--lu-red);
  background-color: rgba(255,45,45,0.10);
}

.lu-cursor-ring.is-link {
  width: 14px;
  height: 14px;
  border-color: rgba(255,255,255,0.85);
}

/* Magnetic CTA spring-back */
.lu-hero-cta,
.lu-nav-cta {
  transition:
    transform 0.5s var(--lu-ease),
    background 0.3s,
    color 0.3s,
    box-shadow 0.3s;
}