/* ==========================================================================
   VERSCHEIN — APPLE LIGHT DESIGN SYSTEM
   Ceramic White (#FFFFFF), Titanium Gray (#F5F5F7), Apple Blue (#0071E3)
   3D Perspective Stage, Scroll-Driven Motion, Luxury Typography
   ========================================================================== */

:root {
  /* Apple Light Palette */
  --bg-page: #F5F5F7;
  --bg-surface: #FFFFFF;
  --bg-surface-subtle: #FAFAFC;
  --bg-surface-elevated: #FFFFFF;
  --bg-nav: rgba(255, 255, 255, 0.82);

  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.14);
  --border-active: #0071E3;

  --text-main: #1D1D1F;
  --text-secondary: #6E6E73;
  --text-muted: #86868B;
  --text-dim: #A1A1A6;

  --apple-blue: #0071E3;
  --apple-blue-hover: #0077ED;
  --apple-green: #34C759;
  --apple-orange: #FF9500;
  --apple-purple: #AF52DE;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Inter', sans-serif;
  --font-serif: 'Playfair Display', 'Didot', Georgia, serif;
  --font-mono: 'SF Mono', 'Fira Code', Menlo, monospace;

  /* Shadows & Depth */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.1);
  --shadow-3d: 0 35px 80px -15px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(0, 0, 0, 0.05);

  /* Radius */
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --radius-xl: 36px;
  --radius-full: 9999px;

  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-3d: transform 0.15s ease-out;
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: light;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
}

input,
select,
textarea {
  font-family: inherit;
  color: inherit;
  outline: none;
  border: none;
}

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Section Header Styles */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--apple-blue);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.section-title {
  font-size: clamp(2.4rem, 4.8vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.section-subtitle {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 4rem auto;
  line-height: 1.6;
  font-weight: 400;
}

.text-center {
  text-align: center;
}

/* ==========================================================================
   HEADER / NAVIGATION
   ========================================================================== */

.header-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.1rem 0;
  transition: var(--transition-smooth);
  background: var(--bg-nav);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header-nav.scrolled {
  padding: 0.8rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  letter-spacing: 0.03em;
  color: var(--text-main);
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  list-style: none;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: -0.01em;
  transition: color var(--transition-smooth);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-nav-header {
  display: none;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.btn-primary {
  background: #1D1D1F;
  color: #FFFFFF;
  border: 1px solid #1D1D1F;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  background: #000000;
  border-color: #000000;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--text-main);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: #F2F2F7;
  border-color: rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 0.95rem 2.2rem;
  font-size: 1.02rem;
}

.btn-sm {
  padding: 0.45rem 1.15rem;
  font-size: 0.82rem;
}

/* ==========================================================================
   HERO SECTION & 3D SCROLL STAGE
   ========================================================================== */

.hero-section {
  padding-top: 10rem;
  padding-bottom: 6rem;
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 50% 10%, #FFFFFF 0%, var(--bg-page) 75%);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(3rem, 6.8vw, 5.5rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
  max-width: 960px;
  color: var(--text-main);
}

.hero-title span {
  color: var(--text-secondary);
}

.hero-description {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 740px;
  margin-bottom: 2.75rem;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
}

/* 3D SCROLL-DRIVEN PRODUCT STAGE */
.stage-container {
  width: 100%;
  max-width: 1050px;
  perspective: 1200px;
  margin-top: 1.5rem;
  position: relative;
}

.stage-3d-viewport {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-3d);
  overflow: hidden;
  transform-style: preserve-3d;
  transform: rotateX(16deg) scale(0.92) translateY(30px);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.stage-browser-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  background: #F9F9FB;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.browser-dots {
  display: flex;
  gap: 7px;
}

.browser-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.browser-dot.red {
  background: #FF5F56;
}

.browser-dot.yellow {
  background: #FFBD2E;
}

.browser-dot.green {
  background: #27C93F;
}

.browser-address-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 1.4rem;
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-main);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.browser-address-pill:hover {
  background: var(--apple-blue);
  color: #FFFFFF;
  border-color: var(--apple-blue);
  box-shadow: 0 4px 14px rgba(0, 113, 227, 0.25);
  transform: translateY(-1px);
}

/* Interactive Tabs on 3D Stage */
.stage-tabs {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem;
  background: #FAFAFC;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.stage-tab-btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  transition: var(--transition-smooth);
}

.stage-tab-btn.active {
  background: #FFFFFF;
  color: var(--apple-blue);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.stage-screen-content {
  padding: 1.5rem;
  background: #FFFFFF;
  min-height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.stage-screen-content img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.stage-screen-content.switching img {
  opacity: 0;
  transform: scale(0.985);
}

/* Hero Stats Row */
.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  width: 100%;
  max-width: 1050px;
  margin-top: 3.5rem;
  padding: 2rem 2.5rem;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stat-num {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-top: 0.4rem;
}

/* ==========================================================================
   BENTO GRID SHOWCASE
   ========================================================================== */

.ecosystem-section {
  padding: 8rem 0 6rem 0;
  position: relative;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.75rem;
}

.bento-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.75rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 0, 0, 0.12);
}

.bento-card.col-8 {
  grid-column: span 8;
}

.bento-card.col-4 {
  grid-column: span 4;
}

.bento-card.col-6 {
  grid-column: span 6;
}

.bento-card.col-12 {
  grid-column: span 12;
}

.card-header-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
  width: fit-content;
  background: #F2F2F7;
  color: var(--text-main);
}

.card-title {
  font-size: 1.9rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.card-desc {
  color: var(--text-secondary);
  font-size: 1.02rem;
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

.card-media-wrap {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 1.75rem;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #F5F5F7;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.card-media-wrap img {
  width: 100%;
  height: auto;
  max-height: 380px;
  object-fit: cover;
  display: block;
}

.card-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-bottom: 1.5rem;
}

.card-feature-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.card-feature-list li svg {
  color: var(--apple-blue);
  flex-shrink: 0;
}

/* ==========================================================================
   WHY VERSCHEIN (VALUE PILLARS)
   ========================================================================== */

.why-section {
  padding: 6rem 0;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}

.feature-box {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.feature-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: #F2F2F7;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.feature-heading {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.feature-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   INTERACTIVE COST CALCULATOR
   ========================================================================== */

.calculator-section {
  padding: 7rem 0;
  position: relative;
}

.calc-wrapper {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: clamp(2.2rem, 4vw, 3.5rem);
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: start;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
  will-change: transform;
}

.calc-step-group {
  display: flex;
  flex-direction: column;
  gap: 2.25rem;
}

.calc-label {
  display: block;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.95rem;
  letter-spacing: -0.01em;
}

.calc-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(135px, 1fr));
  gap: 0.85rem;
}

.calc-radio-card {
  position: relative;
  cursor: pointer;
}

.calc-radio-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.calc-card-ui {
  padding: 1.2rem 0.9rem;
  border-radius: var(--radius-sm);
  background: #F9F9FB;
  border: 1px solid var(--border-subtle);
  text-align: center;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
}

.calc-card-icon {
  font-size: 1.4rem;
}

.calc-card-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.calc-radio-card input:checked+.calc-card-ui {
  background: #FFFFFF;
  border-color: var(--apple-blue);
  box-shadow: 0 0 0 1.5px var(--apple-blue), var(--shadow-sm);
}

.calc-radio-card input:checked+.calc-card-ui .calc-card-title {
  color: var(--apple-blue);
}

/* Feature Checkboxes */
.calc-addon-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.05rem 1.35rem;
  background: #F9F9FB;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  margin-bottom: 0.65rem;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.calc-addon-item:hover {
  background: #FFFFFF;
  border-color: rgba(0, 0, 0, 0.2);
  box-shadow: var(--shadow-sm);
}

.calc-addon-left {
  display: flex;
  align-items: center;
  gap: 0.95rem;
}

.calc-addon-name {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
}

.calc-addon-price {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--apple-blue);
}

.custom-checkbox {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 1.5px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
  background: #FFFFFF;
}

.calc-addon-item input:checked+.calc-addon-left .custom-checkbox {
  background: var(--apple-blue);
  border-color: var(--apple-blue);
}

.calc-addon-item input:checked+.calc-addon-left .custom-checkbox::after {
  content: '✓';
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 900;
}

.calc-addon-item input {
  display: none;
}

/* Summary Box */
.calc-summary-box {
  background: #F9F9FB;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2.25rem;
  position: sticky;
  top: 6rem;
}

.summary-header {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1rem;
}

.summary-price-display {
  margin-bottom: 1.75rem;
}

.price-sub {
  font-size: 0.82rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.price-val {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
  letter-spacing: -0.03em;
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-top: 0.25rem;
}

.price-curr {
  font-size: 1.6rem;
  color: var(--apple-blue);
}

.summary-meta-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.92rem;
}

.meta-label {
  color: var(--text-secondary);
}

.meta-val {
  font-weight: 600;
  color: var(--text-main);
}

/* ==========================================================================
   PACKAGES & PRICING
   ========================================================================== */

.pricing-section {
  padding: 7rem 0;
  position: relative;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  align-items: stretch;
}

.pricing-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.75rem 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pricing-card.featured {
  border: 2px solid var(--apple-blue);
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
}

.pricing-card.featured:hover {
  transform: scale(1.02) translateY(-4px);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--apple-blue);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
}

.plan-name {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.plan-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.75rem;
  min-height: 48px;
}

.plan-price-wrap {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.plan-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: var(--text-main);
}

.plan-features li svg {
  color: var(--apple-blue);
  flex-shrink: 0;
}

/* ==========================================================================
   "BY VERSCHEIN" COMPACT BADGE SHOWCASE
   ========================================================================== */

.badge-kit-section {
  padding: 6rem 0;
  position: relative;
}

.badge-demo-box {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.badge-preview-area {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
}

.code-snippet-box {
  background: #1D1D1F;
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.25rem;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
  gap: 0.75rem;
}

.code-snippet-box code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #F5F5F7;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.copy-btn {
  background: #FFFFFF;
  color: #000000;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  flex-shrink: 0;
  border: none;
  white-space: nowrap;
}

.copy-btn:hover {
  background: #E5E5EA;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */

.contact-section {
  padding: 7rem 0;
  position: relative;
}

.contact-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
  box-shadow: var(--shadow-md);
  box-sizing: border-box;
  width: 100%;
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-title {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.contact-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.contact-perks-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-perk-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.1rem;
}

@media (max-width: 640px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.95rem 1.15rem;
  background: #F9F9FB;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  box-sizing: border-box;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--apple-blue);
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.15);
  outline: none;
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  padding: 5rem 0 2.5rem 0;
  border-top: 1px solid var(--border-subtle);
  background: #FFFFFF;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand-col p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  max-width: 320px;
  margin: 1rem 0 1.5rem 0;
  line-height: 1.6;
}

.footer-col-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.footer-links a:hover {
  color: var(--apple-blue);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 1024px) {
  .bento-card.col-8,
  .bento-card.col-4,
  .bento-card.col-6 {
    grid-column: span 12;
  }

  .calc-wrapper {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .calc-summary-box {
    position: static;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card.featured {
    transform: none;
  }

  .badge-demo-box {
    grid-template-columns: 1fr;
  }

  .contact-card {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  /* Navigation */
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background: #FFFFFF;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem 1.5rem 2rem 1.5rem;
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    border-left: 1px solid var(--border-subtle);
    box-shadow: -10px 0 35px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    gap: 1.25rem;
    overflow-y: auto;
  }

  .nav-links.open {
    right: 0;
  }

  .mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding-bottom: 1.25rem;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-subtle);
  }

  .mobile-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
  }

  .mobile-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #F2F2F7;
    border: none;
    color: var(--text-main);
    cursor: pointer;
    transition: var(--transition-smooth);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }

  .mobile-close-btn * {
    pointer-events: none;
  }

  .mobile-close-btn:hover,
  .mobile-close-btn:active {
    background: #E5E5EA;
    transform: rotate(90deg);
  }

  .mobile-toggle {
    display: flex;
  }

  /* Hero Section */
  .hero-section {
    padding-top: 6.5rem;
    padding-bottom: 3.5rem;
  }

  .hero-title {
    font-size: 2.15rem;
    line-height: 1.22;
    letter-spacing: -0.025em;
  }

  .hero-description {
    font-size: 1rem;
    line-height: 1.55;
    margin-bottom: 1.75rem;
  }

  .hero-stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    padding: 1.25rem 0.9rem;
    margin-top: 2rem;
  }

  .stat-num {
    font-size: 1.65rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  /* 3D Stage on Mobile: Flat, solid and clean */
  .stage-container {
    margin-top: 2rem;
    perspective: none;
  }

  .stage-3d-viewport {
    transform: none !important;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
  }

  .stage-browser-bar {
    padding: 0.65rem 1rem;
  }

  .browser-address-pill {
    padding: 0.3rem 0.9rem;
    font-size: 0.76rem;
  }

  .stage-tabs {
    flex-direction: column;
    gap: 0.4rem;
    padding: 0.65rem;
  }

  .stage-tab-btn {
    width: 100%;
    text-align: center;
    font-size: 0.8rem;
    padding: 0.5rem 0.8rem;
  }

  .stage-screen-content {
    min-height: auto;
    padding: 0.75rem;
  }

  /* Bento Grid Cards on Mobile */
  .ecosystem-section {
    padding: 4.5rem 0 3.5rem 0;
  }

  .bento-grid {
    gap: 1.25rem;
  }

  .bento-card {
    padding: 1.5rem 1.2rem;
    border-radius: 20px;
    transform: none !important;
  }

  .card-title {
    font-size: 1.4rem;
    line-height: 1.28;
    margin-bottom: 0.6rem;
  }

  .card-desc {
    font-size: 0.92rem;
    line-height: 1.55;
    margin-bottom: 1.25rem;
  }

  .card-feature-list {
    gap: 0.55rem;
    margin-bottom: 1.25rem;
  }

  .card-feature-list li {
    font-size: 0.88rem;
  }

  .card-media-wrap {
    margin-top: 1.25rem;
    max-height: 240px;
    border-radius: var(--radius-sm);
  }

  /* Value Pillars / Feature Boxes */
  .why-verschein-section {
    padding: 4.5rem 0 3.5rem 0;
  }

  .feature-boxes-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .feature-box {
    padding: 1.5rem 1.2rem;
    border-radius: 20px;
    transform: none !important;
  }

  .feature-heading {
    font-size: 1.25rem;
  }

  /* Calculator on Mobile */
  .calculator-section {
    padding: 4.5rem 0 3.5rem 0;
  }

  .calc-wrapper {
    padding: 1.5rem 1.15rem;
    border-radius: 20px;
    gap: 1.75rem;
    transform: none !important;
  }

  .calc-options-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.55rem;
  }

  .calc-card-ui {
    padding: 0.85rem 0.5rem;
  }

  .calc-card-title {
    font-size: 0.8rem;
  }

  .calc-addon-item {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-xs);
  }

  .calc-addon-name {
    font-size: 0.84rem;
  }

  .calc-addon-price {
    font-size: 0.82rem;
  }

  .summary-price-display .price-val {
    font-size: 2.25rem;
  }

  /* Pricing Cards on Mobile */
  .pricing-section {
    padding: 4.5rem 0 3.5rem 0;
  }

  .pricing-grid {
    gap: 1.25rem;
  }

  .pricing-card {
    padding: 1.75rem 1.25rem;
    border-radius: 20px;
    transform: none !important;
  }

  .plan-name {
    font-size: 1.4rem;
  }

  .plan-price {
    font-size: 2.1rem;
  }

  /* Badge Suite on Mobile */
  .badge-kit-section {
    padding: 3.5rem 0 2.5rem 0;
  }

  .badge-demo-box {
    padding: 1.35rem 1.1rem;
    border-radius: 20px;
    gap: 1.75rem;
    box-sizing: border-box;
    width: 100%;
    overflow: hidden;
  }

  .badge-preview-area {
    width: 100%;
    box-sizing: border-box;
  }

  .code-snippet-box {
    padding: 0.75rem 0.95rem;
    border-radius: 12px;
    width: 100%;
    box-sizing: border-box;
    gap: 0.5rem;
  }

  .code-snippet-box code {
    font-size: 0.76rem;
    max-width: calc(100% - 90px);
  }

  .copy-btn {
    padding: 0.4rem 0.85rem;
    font-size: 0.75rem;
  }

  /* Contact Section on Mobile */
  .contact-section {
    padding: 3.5rem 0 2.5rem 0;
  }

  .contact-card {
    padding: 1.5rem 1.15rem;
    border-radius: 20px;
    gap: 1.75rem;
    box-sizing: border-box;
    width: 100%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  }

  .contact-title {
    font-size: 1.65rem;
    line-height: 1.25;
    margin-bottom: 0.4rem;
  }

  .contact-desc {
    font-size: 0.92rem;
    line-height: 1.5;
    margin-bottom: 1rem;
  }

  .contact-perks-list {
    gap: 0.55rem;
    margin-bottom: 0.25rem;
  }

  .contact-perk-item {
    font-size: 0.85rem;
    gap: 0.55rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .form-group {
    margin-bottom: 0.95rem;
  }

  .form-label {
    font-size: 0.84rem;
    margin-bottom: 0.35rem;
  }

  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px !important; /* Prevents iOS auto-zoom */
    padding: 0.8rem 0.95rem;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.12);
    background: #F9F9FB;
    width: 100%;
    box-sizing: border-box;
  }

  .form-textarea {
    min-height: 90px;
  }

  #contact-submit-btn {
    width: 100%;
    padding: 0.9rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
  }

  /* Footer on Mobile */
  .site-footer {
    padding: 3.5rem 0 2rem 0;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* ==========================================================================
   BLOG & ARTICLE SUITE (APPLE EDITORIAL STYLE)
   ========================================================================== */
.blog-filter-bar {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.blog-filter-btn {
  padding: 0.55rem 1.15rem;
  border-radius: 99px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.blog-filter-btn:hover {
  background: #E5E5EA;
  color: var(--text-main);
}

.blog-filter-btn.active {
  background: var(--apple-obsidian);
  color: #FFFFFF;
  border-color: var(--apple-obsidian);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-bottom: 4rem;
}

.blog-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(0, 0, 0, 0.16);
}

.blog-card-featured {
  grid-column: span 3;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  background: linear-gradient(135deg, #FFFFFF 0%, #F5F5F7 100%);
  border: 1px solid rgba(0, 113, 227, 0.2);
}

.blog-meta-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.blog-tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  background: rgba(0, 113, 227, 0.08);
  color: var(--apple-blue);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 99px;
}

.blog-date {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.blog-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
  margin-bottom: 0.75rem;
  letter-spacing: -0.015em;
}

.blog-card-featured .blog-title {
  font-size: 1.75rem;
  letter-spacing: -0.02em;
}

.blog-excerpt {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.blog-read-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--apple-blue);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: gap 0.2s ease;
}

.blog-read-link:hover {
  gap: 0.6rem;
}

/* Blog Article Modal Overlay */
.article-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  overflow-y: auto;
}

.article-modal.active {
  display: flex;
}

.article-modal-body {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  max-width: 780px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 3rem;
  position: relative;
  box-shadow: var(--shadow-xl);
}

.article-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #F2F2F7;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-main);
  transition: var(--transition-smooth);
}

.article-close-btn:hover {
  background: #E5E5EA;
  transform: rotate(90deg);
}

.article-content h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-main);
  margin: 2rem 0 0.85rem 0;
  letter-spacing: -0.015em;
}

.article-content p {
  font-size: 1.02rem;
  color: #333336;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.article-content ul {
  margin: 1rem 0 1.5rem 1.25rem;
  line-height: 1.7;
  color: #333336;
}

.article-content li {
  margin-bottom: 0.5rem;
}

.article-cta-box {
  background: linear-gradient(135deg, #0A0A0C 0%, #1D1D1F 100%);
  border-radius: var(--radius-md);
  padding: 2rem;
  color: #FFFFFF;
  margin-top: 2.5rem;
  text-align: center;
}

.blog-hero-banner {
  background: linear-gradient(180deg, #F5F5F7 0%, #FFFFFF 100%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 8rem 0 3.5rem 0;
  position: relative;
  overflow: hidden;
}

.blog-search-wrapper {
  max-width: 580px;
  margin: 2rem auto 0 auto;
  position: relative;
}

.blog-search-input {
  width: 100%;
  padding: 0.9rem 1.25rem 0.9rem 3rem;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: 99px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-main);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.04);
  transition: all var(--transition-smooth);
}

.blog-search-input:focus {
  outline: none;
  border-color: var(--apple-blue);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.12);
}

.blog-search-icon {
  position: absolute;
  left: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.blog-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 2.5rem 0 2rem 0;
}

.blog-filter-btn {
  padding: 0.5rem 1.1rem;
  border-radius: 99px;
  border: 1px solid var(--border-subtle);
  background: #FFFFFF;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.blog-filter-btn:hover {
  background: #F5F5F7;
  color: var(--text-main);
}

.blog-filter-btn.active {
  background: var(--text-main);
  color: #FFFFFF;
  border-color: var(--text-main);
}

.blog-card-media {
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 1.25rem;
  background: #F5F5F7;
  border: 1px solid var(--border-subtle);
}

.blog-card-media img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.blog-card:hover .blog-card-media img {
  transform: scale(1.03);
}

.blog-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 3.5rem;
}

.page-btn {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: #FFFFFF;
  color: var(--text-main);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.page-btn:hover {
  background: #F5F5F7;
  border-color: #D2D2D7;
}

.page-btn.active {
  background: var(--apple-blue);
  color: #FFFFFF;
  border-color: var(--apple-blue);
}

.page-btn.page-arrow {
  width: auto;
  padding: 0 1rem;
}

@media (max-width: 992px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .blog-card-featured {
    grid-column: span 2;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  .blog-card-featured {
    grid-column: span 1;
    padding: 1.5rem;
  }
  .article-modal-body {
    padding: 1.75rem 1.25rem;
  }
}

/* ==========================================================================
   VERSCHEIN SIGNATURE WHITE ANIMATED TEXT ENTRANCE PRELOADER
   ========================================================================== */
.apple-preloader {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s;
  pointer-events: all;
}

.apple-preloader.fade-out {
  opacity: 0;
  visibility: hidden;
  transform: scale(1.03);
  pointer-events: none;
}

.verschein-kinetic-wrap {
  overflow: hidden;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 800px;
}

.verschein-letters-row {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Playfair Display', 'Didot', Georgia, serif;
  font-size: clamp(2.8rem, 8vw, 5.2rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #1D1D1F;
}

.v-letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(120%) rotateX(-75deg) scale(0.85);
  filter: blur(12px);
  animation: letterRiseIn 0.75s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: calc(var(--d) * 0.055s + 0.05s);
  color: #1D1D1F;
}

@keyframes letterRiseIn {
  0% {
    opacity: 0;
    transform: translateY(120%) rotateX(-75deg) scale(0.85);
    filter: blur(12px);
  }
  60% {
    opacity: 1;
    filter: blur(0px);
  }
  100% {
    opacity: 1;
    transform: translateY(0) rotateX(0deg) scale(1);
    filter: blur(0px);
  }
}