/* ==========================================================================
   Digital Dental — Stylesheet
   Eine Seite, ein Theme (hell). Design-System aus dem Claude-Design-Prototyp.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Schriften (selbst gehostet, Subset: Latin)
   -------------------------------------------------------------------------- */
@font-face {
  font-family: 'Bricolage Grotesque';
  font-style: normal;
  font-weight: 600 700;
  font-display: swap;
  src: url('../fonts/bricolage-grotesque-var.woff2') format('woff2');
}
@font-face {
  font-family: 'Instrument Sans';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/instrument-sans-var.woff2') format('woff2');
}
@font-face {
  font-family: 'Instrument Sans';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/instrument-sans-italic-400.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-400.woff2') format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-500.woff2') format('woff2');
}

/* --------------------------------------------------------------------------
   Design-Tokens
   -------------------------------------------------------------------------- */
:root {
  --color-bg: #FFFFFF;
  --color-bg-secondary: #F7FAFA;
  --color-text: #0B2027;
  --color-text-secondary: #41565E;
  --color-accent: #00A9B7;        /* Scan-Türkis: steht ausschließlich für "digital" */
  --color-accent-dark: #077E8C;
  --color-accent-tint: #E7F7F8;
  --color-line: #E3EAEC;
  --color-line-soft: #EDF2F3;
  --color-placeholder: #8AA0A8;
  --color-cta-hover: #1B4652;
  --color-error: #B42318;

  --font-display: 'Bricolage Grotesque', 'Instrument Sans', system-ui, sans-serif;
  --font-body: 'Instrument Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  /* Z-Index-Skala (einzige gültige Ebenen) */
  --z-stage: 0;    /* fixierter 3D-Canvas hinter allem */
  --z-content: 2;  /* scrollender Inhalt */
  --z-hud: 6;      /* Fortschritts-Pille */
  --z-banner: 25;  /* Cookie-Banner */
  --z-header: 20;  /* fixierte Navigation */
  --z-menu: 30;    /* Mobile-Menue (dialog, top-layer) */
  --z-skip: 99;    /* Skip-Link */

  --wrap-max: 1240px;
}

/* --------------------------------------------------------------------------
   Basis
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

/* Die Kopfzeile ist fixiert (64px). Ohne diesen Abstand landet jedes Sprungziel
   dahinter und die Ueberschrift ist unsichtbar. :where() haelt die Spezifitaet
   bei 0, damit jede Einzelregel weiterhin gewinnt. */
:where([id]) { scroll-margin-top: 88px; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

a { color: var(--color-accent-dark); }
a:hover { color: var(--color-accent); }

::selection { background: var(--color-accent-tint); color: var(--color-text); }

:focus-visible {
  outline: 2px solid var(--color-accent-dark);
  outline-offset: 3px;
  border-radius: 6px;
}

input,
textarea { font-family: var(--font-body); }
input::placeholder,
textarea::placeholder { color: var(--color-placeholder); }

.dd-vh { min-height: 100vh; }
@supports (min-height: 100svh) {
  .dd-vh { min-height: 100svh; }
}

/* Skip-Link */
.dd-skip {
  position: fixed;
  left: -9999px;
  top: 14px;
  z-index: var(--z-skip);
  background: var(--color-text);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font: 600 14px var(--font-body);
  text-decoration: none;
}
.dd-skip:focus { left: 14px; }

/* --------------------------------------------------------------------------
   3D-Stage & HUD (Fortschrittsanzeige)
   -------------------------------------------------------------------------- */
#dd-stage {
  position: fixed;
  inset: 0;
  z-index: var(--z-stage);
  pointer-events: none;
}

#dd-hud {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 20px;
  z-index: var(--z-hud);
  pointer-events: none;
  display: flex;
  justify-content: center;
}

#dd-hud-pill {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 11px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(227, 234, 236, 0.9);
  box-shadow: 0 10px 32px -14px rgba(11, 32, 39, 0.2);
  max-width: min(92vw, 760px);
}

#dd-caption {
  font: 500 13.5px/1.4 var(--font-body);
  color: var(--color-text);
}

.dd-hud-divider {
  width: 1px;
  height: 18px;
  background: var(--color-line);
  flex: none;
}

.dd-hud-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

#dd-pct {
  font: 500 13px var(--font-body);
  color: var(--color-text);
  white-space: nowrap;
}

.dd-hud-track {
  width: 92px;
  height: 2px;
  background: var(--color-line);
  border-radius: 2px;
  overflow: hidden;
  display: block;
  flex: none;
}

#dd-bar {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.dd-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(227, 234, 236, 0.7);
}

.dd-header-inner {
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 0 48px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.dd-brand {
  font: 700 19px var(--font-display);
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
}
.dd-brand:hover { color: var(--color-text); }
.dd-brand span { color: var(--color-accent-dark); }

.dd-brand { display: block; }
.dd-brand-img {
  display: block;
  height: 46px;
  width: auto;
}

.dd-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.dd-nav-link {
  font: 500 14px var(--font-body);
  color: var(--color-text-secondary);
  text-decoration: none;
}
.dd-nav-link:hover { color: var(--color-text); }
.dd-nav-link[aria-current="page"] { color: var(--color-text); }

.dd-nav-cta {
  font: 600 13.5px var(--font-body);
  color: #FFFFFF;
  background: var(--color-text);
  text-decoration: none;
  border-radius: 999px;
  padding: 10px 18px;
  white-space: nowrap;
  transition: background 0.2s;
}
.dd-nav-cta:hover { background: var(--color-cta-hover); color: #FFFFFF; }

.dd-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Burger-Button: nur <= 920px sichtbar (oeffnet das Menue-Dialog) */
.dd-burger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  cursor: pointer;
  position: relative;
  flex: none;
  padding: 0;
}
.dd-burger-line {
  position: absolute;
  left: 13px;
  right: 13px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}
.dd-burger-line:nth-child(1) { top: 17px; }
.dd-burger-line:nth-child(2) { top: 25px; }

/* --------------------------------------------------------------------------
   Mobile-Menue (natives <dialog>, rendert im Top-Layer; --z-menu dokumentiert die Ebene)
   -------------------------------------------------------------------------- */
.dd-menu {
  border: none;
  padding: 0;
  margin: 0;
  width: 100vw;
  height: 100dvh;
  max-width: none;
  max-height: none;
  background: rgba(255, 255, 255, 0.92);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  z-index: var(--z-menu);
  overscroll-behavior: contain;
}
.dd-menu::backdrop { background: transparent; }

.dd-menu-inner {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  padding: 0 20px 34px;
}

.dd-menu-top {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dd-menu-close {
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  cursor: pointer;
  position: relative;
  flex: none;
  padding: 0;
}
.dd-menu-close::before,
.dd-menu-close::after {
  content: '';
  position: absolute;
  left: 13px;
  right: 13px;
  top: 21px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}
.dd-menu-close::before { transform: rotate(45deg); }
.dd-menu-close::after { transform: rotate(-45deg); }

.dd-menu-nav {
  display: flex;
  flex-direction: column;
  margin-top: 34px;
}

.dd-menu-link {
  font: 600 28px/1.2 var(--font-display);
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-decoration: none;
  padding: 16px 0;
  border-top: 1px solid var(--color-line);
}
.dd-menu-link:hover,
.dd-menu-link[aria-current="page"] { color: var(--color-accent-dark); }

.dd-menu-cta { margin-top: 28px; }

.dd-menu-legal {
  margin-top: auto;
  padding-top: 40px;
  display: flex;
  gap: 22px;
}
.dd-menu-legal a {
  font: 400 13px var(--font-body);
  color: var(--color-text-secondary);
  text-decoration: none;
}
.dd-menu-legal a:hover { color: var(--color-text); }

html.dd-menu-open,
html.dd-menu-open body { overflow: hidden; }

/* --------------------------------------------------------------------------
   Layout-Bausteine
   -------------------------------------------------------------------------- */
main { position: relative; z-index: var(--z-content); }

.dd-wrap {
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 0 48px;
}

.dd-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.dd-sticky {
  position: sticky;
  top: 15vh;
}

.dd-copy { max-width: 610px; }

.dd-eyebrow {
  font: 500 12px/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin: 0 0 20px;
}

.dd-h2 {
  font: 700 clamp(32px, 3.9vw, 56px)/1.06 var(--font-display);
  letter-spacing: -0.025em;
  margin: 0 0 20px;
  color: var(--color-text);
  text-wrap: balance;
}

.dd-lead {
  font: 400 clamp(16px, 1.25vw, 18.5px)/1.65 var(--font-body);
  color: var(--color-text-secondary);
  margin: 0;
  max-width: 34rem;
  text-wrap: pretty;
}

.dd-highlight { color: var(--color-accent-dark); }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.dd-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.dd-cols-hero {
  width: 100%;
  padding-top: 130px;
  padding-bottom: 150px;
  align-items: center;
}

.dd-h1 {
  font: 700 clamp(42px, 5.6vw, 80px)/1.03 var(--font-display);
  letter-spacing: -0.03em;
  margin: 0 0 24px;
  color: var(--color-text);
  text-wrap: balance;
}

.dd-hero-lead {
  font: 400 clamp(16.5px, 1.3vw, 19px)/1.65 var(--font-body);
  color: var(--color-text-secondary);
  margin: 0;
  max-width: 34rem;
  text-wrap: pretty;
}

.dd-hero-ctas {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 36px;
}

.dd-hero-cta-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.dd-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-text);
  color: #FFFFFF;
  text-decoration: none;
  border-radius: 999px;
  padding: 16px 30px;
  font: 600 16px var(--font-body);
  transition: background 0.2s, transform 0.2s;
}
.dd-btn-primary:hover {
  background: var(--color-cta-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
}
.dd-btn-primary:active { transform: translateY(0) scale(0.99); }

.dd-micro-trust {
  font: 400 13px var(--font-body);
  color: var(--color-text-secondary);
  text-align: center;
}

.dd-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  text-decoration: none;
  border: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  padding: 15px 28px;
  font: 600 16px var(--font-body);
  transition: border-color 0.2s;
}
.dd-btn-secondary:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text);
}

.dd-scrollhint {
  position: absolute;
  left: 50%;
  bottom: 92px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
}

.dd-scrollhint-label {
  font: 500 10.5px var(--font-mono);
  letter-spacing: 0.2em;
  color: var(--color-text-secondary);
}

.dd-scrollhint-line {
  width: 1px;
  height: 34px;
  background: var(--color-line);
  position: relative;
  overflow: hidden;
  display: block;
}

.dd-scrollhint-dot {
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 12px;
  background: var(--color-accent-dark);
  animation: dd-scrollhint 2.2s ease-in-out infinite;
}

@keyframes dd-scrollhint {
  0%   { transform: translateY(-12px); opacity: 0; }
  18%  { opacity: 1; }
  82%  { opacity: 1; }
  100% { transform: translateY(26px); opacity: 0; }
}

/* --------------------------------------------------------------------------
   Marquee (Prozess-Chips)
   -------------------------------------------------------------------------- */
.dd-marquee-band {
  border-top: 1px solid var(--color-line-soft);
  border-bottom: 1px solid var(--color-line-soft);
  padding: 15px 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.6);
}

.dd-marquee {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: dd-marquee 44s linear infinite;
}

.dd-marquee-group {
  display: flex;
  gap: 12px;
  padding-right: 12px;
}

.dd-chip {
  font: 500 12px var(--font-mono);
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-line);
  background: var(--color-bg-secondary);
  border-radius: 999px;
  padding: 8px 16px;
  white-space: nowrap;
}

@keyframes dd-marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* --------------------------------------------------------------------------
   Sektionen (Scroll-Strecke)
   -------------------------------------------------------------------------- */
.dd-section-status {
  position: relative;
  min-height: 175vh;
  padding: 12vh 0;
}

.dd-section-wandel {
  position: relative;
  min-height: 230vh;
  padding: 12vh 0;
}

.dd-section-arbeiten {
  position: relative;
  padding: 16vh 0 14vh;
}
.dd-section-arbeiten .dd-cols { grid-template-columns: 1fr 1.15fr; }

.dd-section-leistungen {
  position: relative;
  min-height: 140vh;
  padding: 14vh 0;
}
.dd-section-leistungen .dd-cols { grid-template-columns: 1.2fr 1fr; }

.dd-section-warum {
  position: relative;
  min-height: 130vh;
  padding: 14vh 0;
}
.dd-section-warum .dd-cols { grid-template-columns: 1fr 1.15fr; }

/* Status quo: Liste mit Mono-Tags */
.dd-status-list {
  margin-top: 34px;
  border-bottom: 1px solid var(--color-line);
}

.dd-status-row {
  display: grid;
  grid-template-columns: 106px 1fr;
  gap: 20px;
  align-items: start;
  padding: 19px 0;
  border-top: 1px solid var(--color-line);
}

.dd-tag {
  font: 500 11px var(--font-mono);
  letter-spacing: 0.12em;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-line);
  background: var(--color-bg-secondary);
  border-radius: 999px;
  padding: 6px 0;
  text-align: center;
}

/* Verlust-Aufhaenger am Ende der Status-quo-Liste: fuehrt zum Rechner.
   Zahl in Tinte, weil sie einen analogen Verlust beziffert (Tuerkis = digital). */
/* Verlust-Aufhaenger als eigene Mini-Sektion auf Tinte statt als Fliesstext:
   staerkster Kontrast der Startseite, damit die Summe und der Weg zum Rechner
   nicht in der Aufzaehlung darueber untergehen. Das Panel liegt in .dd-copy,
   die Partikel weichen ihm also weiterhin aus (updateAvoidRects). */
.dd-status-cost {
  margin: 40px 0 0;
  padding: clamp(26px, 2.6vw, 34px) clamp(24px, 2.6vw, 34px);
  background: var(--color-text);
  border-radius: 22px;
  box-shadow: 0 28px 64px -32px rgba(11, 32, 39, 0.55);
}
.dd-status-cost-eyebrow {
  margin: 0;
  font: 400 12px/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}
/* Die Summe ist der Blickfang, deshalb Display-Schnitt statt Fliesstext */
.dd-status-cost-value {
  margin: 16px 0 0;
  font: 600 clamp(42px, 4.8vw, 62px)/1 var(--font-display);
  font-variant-numeric: tabular-nums;
  color: #FFFFFF;
}
.dd-status-cost-unit {
  margin: 10px 0 0;
  font: 400 16px/1.5 var(--font-body);
  color: rgba(255, 255, 255, 0.82);
}
/* Herleitung bewusst leiser: sie belegt die Zahl, konkurriert aber nicht mit ihr */
.dd-status-cost-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font: 400 14px/1.6 var(--font-body);
  color: rgba(255, 255, 255, 0.62);
}
/* Invers-Variante von .dd-btn-primary: weiss auf Tinte */
.dd-status-cost-cta {
  display: inline-flex;
  align-items: center;
  margin-top: 22px;
  background: #FFFFFF;
  color: var(--color-text);
  text-decoration: none;
  border-radius: 999px;
  padding: 14px 26px;
  font: 600 15.5px var(--font-body);
  transition: transform 0.2s, box-shadow 0.2s;
}
.dd-status-cost-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 26px -14px rgba(0, 0, 0, 0.6);
}
/* Der globale Fokusring ist dunkel und waere auf dem Tinten-Panel unsichtbar */
.dd-status-cost-cta:focus-visible {
  outline: 2px solid #FFFFFF;
  outline-offset: 3px;
}

.dd-status-row p {
  margin: 0;
  font: 400 16px/1.6 var(--font-body);
  color: var(--color-text);
}

/* Wandel: Vorher/Nachher */
.dd-ba { margin-top: 36px; }

.dd-ba-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.dd-ba-panel {
  border: 1px solid var(--color-line);
  background: var(--color-bg-secondary);
  border-radius: 16px;
  height: 180px;
  position: relative;
  overflow: hidden;
}

.dd-ba-panel-after {
  border-color: rgba(0, 169, 183, 0.25);
  background: var(--color-accent-tint);
}

.dd-ba-panel canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.dd-ba-caption {
  margin: 12px 0 0;
  font: 400 13.5px var(--font-body);
  color: var(--color-text-secondary);
  text-align: center;
}

/* So arbeiten wir: gestapelte Phasen-Karten */
.dd-section-header { margin-bottom: 44px; }
.dd-section-header .dd-h2 { margin-bottom: 0; }

.dd-stack {
  display: flex;
  flex-direction: column;
}

.dd-stackcard {
  position: sticky;
  top: calc(64px + 9vh);
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 24px;
  padding: 40px 44px 44px;
  box-shadow: 0 26px 70px -34px rgba(11, 32, 39, 0.28);
  margin-bottom: 26vh;
  overflow: hidden;
}
.dd-stackcard:nth-child(2) { top: calc(64px + 9vh + 30px); }
.dd-stackcard:nth-child(3) { top: calc(64px + 9vh + 60px); margin-bottom: 10vh; }

.dd-stack-num {
  position: absolute;
  top: 16px;
  right: 26px;
  font: 500 92px/1 var(--font-mono);
  color: rgba(11, 32, 39, 0.06);
  pointer-events: none;
}

.dd-phase-chip {
  font: 500 11px var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-line);
  background: var(--color-bg-secondary);
  border-radius: 999px;
  padding: 6px 12px;
}

.dd-stackcard h3 {
  font: 600 clamp(26px, 2.4vw, 36px)/1.1 var(--font-display);
  letter-spacing: -0.02em;
  margin: 18px 0 12px;
  color: var(--color-text);
}

.dd-stackcard p {
  margin: 0;
  font: 400 16.5px/1.65 var(--font-body);
  color: var(--color-text-secondary);
  max-width: 46ch;
  text-wrap: pretty;
}

/* Leistungen: 3D-Cards */
.dd-grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.dd-card {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: 24px;
  padding: 22px 24px 26px;
  box-shadow: 0 22px 60px -32px rgba(11, 32, 39, 0.25);
  will-change: transform;
}

.dd-card-media {
  position: relative;
  height: 170px;
}

.dd-card-media canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.dd-card-glow {
  position: absolute;
  left: 50%;
  bottom: 6px;
  transform: translateX(-50%);
  width: 56%;
  height: 14px;
  background: radial-gradient(ellipse at center, rgba(7, 126, 140, 0.20), rgba(7, 126, 140, 0) 70%);
}

.dd-card h3 {
  font: 600 21px/1.2 var(--font-display);
  letter-spacing: -0.015em;
  margin: 16px 0 8px;
  color: var(--color-text);
}

.dd-card p {
  margin: 0;
  font: 400 15.5px/1.6 var(--font-body);
  color: var(--color-text-secondary);
  text-wrap: pretty;
}

/* Warum Digital Dental */
.dd-warum-h2 { margin-bottom: 12px; }

.dd-warum-list {
  margin-top: 22px;
  border-bottom: 1px solid var(--color-line);
}

.dd-warumrow {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid var(--color-line);
}

.dd-warumrow h3 {
  margin: 0;
  font: 600 19px/1.35 var(--font-display);
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.dd-warumrow p {
  margin: 0;
  font: 400 16px/1.6 var(--font-body);
  color: var(--color-text-secondary);
  text-wrap: pretty;
}

.dd-statrow {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.dd-stat {
  border-top: 1px solid var(--color-line);
  padding-top: 18px;
}

.dd-stat-value {
  margin: 0;
  font: 700 clamp(30px, 2.8vw, 42px)/1 var(--font-display);
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.dd-stat-label {
  margin: 8px 0 0;
  font: 400 14px/1.5 var(--font-body);
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Kontakt / CTA
   -------------------------------------------------------------------------- */
.dd-section-kontakt {
  position: relative;
  min-height: 135vh;
  padding: 0 0 18vh;
  display: flex;
  align-items: flex-end;
}
.dd-section-kontakt .dd-wrap { width: 100%; }

.dd-cta-card {
  max-width: 720px;
  margin: 42vh auto 0;
  background: rgba(255, 255, 255, 0.84);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(227, 234, 236, 0.9);
  border-radius: 28px;
  padding: clamp(28px, 4vw, 52px);
  box-shadow: 0 30px 90px -40px rgba(11, 32, 39, 0.3);
  text-align: center;
}

.dd-cta-card .dd-h2 { margin-bottom: 18px; }
.dd-cta-card .dd-lead {
  margin: 0 auto;
  max-width: 32rem;
}

.dd-form {
  margin-top: 34px;
  text-align: left;
}

.dd-formrow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.dd-field { display: block; }
.dd-field-mt { margin-top: 14px; }

.dd-label {
  display: block;
  font: 500 13px var(--font-body);
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.dd-label-optional { color: var(--color-placeholder); }

.dd-input {
  width: 100%;
  padding: 13px 16px;
  border-radius: 12px;
  border: 1px solid var(--color-line);
  background: var(--color-bg);
  font-size: 16px;
  color: var(--color-text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.dd-input:focus {
  border-color: var(--color-accent-dark);
  box-shadow: 0 0 0 3px var(--color-accent-tint);
}

textarea.dd-input { resize: vertical; }

/* Honeypot: für Menschen unsichtbar, für Bots ein normales Feld */
.dd-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.dd-form-submit {
  margin-top: 20px;
  width: 100%;
  border: none;
  cursor: pointer;
  background: var(--color-text);
  color: #FFFFFF;
  border-radius: 999px;
  padding: 17px 30px;
  font: 600 16.5px var(--font-body);
  transition: background 0.2s, transform 0.2s;
}
.dd-form-submit:hover {
  background: var(--color-cta-hover);
  transform: translateY(-1px);
}
.dd-form-submit:active { transform: translateY(0) scale(0.99); }
.dd-form-submit[disabled] {
  cursor: default;
  opacity: 0.7;
  transform: none;
}

.dd-form-note {
  margin: 14px 0 0;
  font: 400 12.5px var(--font-mono);
  color: var(--color-text-secondary);
  text-align: center;
}

.dd-form-error {
  margin: 14px 0 0;
  font: 400 14px/1.5 var(--font-body);
  color: var(--color-error);
  text-align: center;
}
.dd-form-error[hidden] { display: none; }

.dd-form-success {
  margin-top: 34px;
  padding: 34px 24px;
  border: 1px solid rgba(0, 169, 183, 0.3);
  background: var(--color-accent-tint);
  border-radius: 20px;
}
.dd-form-success[hidden] { display: none; }

.dd-form-success-title {
  margin: 0 0 8px;
  font: 600 22px var(--font-display);
  color: var(--color-text);
}

.dd-form-success p {
  margin: 0;
  font: 400 15.5px/1.6 var(--font-body);
  color: var(--color-text-secondary);
}

.dd-form-success .dd-form-note { margin-top: 14px; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.dd-footer {
  position: relative;
  border-top: 1px solid var(--color-line);
  background: rgba(255, 255, 255, 0.85);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.dd-footer-inner {
  max-width: var(--wrap-max);
  margin: 0 auto;
  padding: 26px 48px 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.dd-footer-copy {
  margin: 0;
  font: 400 13px var(--font-body);
  color: var(--color-text-secondary);
}

.dd-footer-nav { display: flex; gap: 22px; }

.dd-footer-link {
  font: 400 13px var(--font-body);
  color: var(--color-text-secondary);
  text-decoration: none;
}
.dd-footer-link:hover {
  color: var(--color-text);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Fallback ohne WebGL: Szene und HUD ausblenden, Inhalt bleibt vollständig
   (Hinweis: Der 2D-Zahn des Digital-Checks braucht kein WebGL und haengt
   bewusst NICHT an diesen Regeln.)
   -------------------------------------------------------------------------- */
.no-webgl #dd-stage,
.no-webgl #dd-hud,
.no-webgl .dd-card-media,
.no-webgl .dd-ba { display: none; }

/* --------------------------------------------------------------------------
   Mobile (<= 920px — identischer Breakpoint wie die 3D-Szene)
   -------------------------------------------------------------------------- */
@media (max-width: 920px) {
  .dd-nav { display: none; }
  .dd-burger { display: block; }

  .dd-wrap,
  .dd-header-inner,
  .dd-footer-inner {
    padding-left: 20px;
    padding-right: 20px;
  }

  .dd-cols {
    display: flex;
    flex-direction: column;
    padding-top: 46vh;
    align-items: stretch;
  }

  .dd-cols-hero {
    padding-top: 44vh;
    padding-bottom: 120px;
  }

  /* Text erhält auf Mobile einen Scrim, weil der Zahn hinter dem Text steht */
  .dd-copy {
    background: rgba(255, 255, 255, 0.82);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(227, 234, 236, 0.85);
    border-radius: 20px;
    padding: 26px 22px;
    box-shadow: 0 14px 44px -20px rgba(11, 32, 39, 0.14);
  }

  .dd-sticky {
    position: relative;
    top: 0;
  }

  .dd-grid2 { grid-template-columns: 1fr; }
  .dd-statrow { grid-template-columns: 1fr; }
  .dd-formrow { grid-template-columns: 1fr; }

  .dd-stackcard {
    position: relative;
    margin-bottom: 20px;
  }
  .dd-stackcard,
  .dd-stackcard:nth-child(2),
  .dd-stackcard:nth-child(3) {
    top: 0;
    margin-bottom: 20px;
  }

  .dd-scrollhint { display: none; }

  #dd-hud-pill {
    flex-wrap: wrap;
    justify-content: center;
    row-gap: 4px;
    max-width: 94vw;
  }

  .dd-warumrow {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* Sehr schmale Viewports: Header-CTA wandert ins Menue (Platz fuer Brand + Burger) */
@media (max-width: 560px) {
  .dd-header-actions .dd-nav-cta { display: none; }
}

/* --------------------------------------------------------------------------
   Reduzierte Bewegung
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .dd-marquee { animation: none; }
  .dd-scrollhint-dot { animation: none; }
  .dd-btn-primary,
  .dd-btn-secondary,
  .dd-nav-cta,
  .dd-form-submit { transition: none; }
  .dd-btn-primary:hover,
  .dd-form-submit:hover { transform: none; }
}