/* ============================================================
   RESET & TOKENS
   ============================================================ */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

:root {
  /* Brand */
  --teal: #01A5A9;
  --teal-text: #00807F;
  --teal-dark: #006868;
  --teal-light: #E6F7F7;
  --dark: #1A2332;
  --dark-blue: #223044;
  --logo-text: #2E2D2C;
  --kufer-grau: #A1A1A1;
  --kufer-hellgrau: #F1EFEE;
  --white: #FFFFFF;

  /* Grayscale */
  --gray-900: #1E293B;
  --gray-700: #374151;
  --gray-600: #4B5563;
  --gray-500: #6B7280;
  --gray-200: #E5E7EB;
  --gray-50: #F9FAFB;

  /* Type */
  --font: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing / radius */
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(26, 35, 50, 0.06);
  --shadow-md: 0 8px 24px rgba(26, 35, 50, 0.08);
  --shadow-lg: 0 20px 48px rgba(26, 35, 50, 0.14);

  /* Surfaces */
  --surface-body: #FFFFFF;
  --surface-alt: #F1EFEE;
  --surface-card: #FFFFFF;
  --border: #E5E7EB;
  --text-primary: #1E293B;
  --text-secondary: #374151;
  --text-muted: #6B7280;
  --link: #00807F;
}

/* ============================================================
   BASE
   ============================================================ */
body {
  font-family: var(--font);
  font-weight: 300;
  line-height: 1.6;
  color: var(--text-secondary);
  background: var(--surface-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

a { color: var(--link); text-decoration: none; transition: color 0.18s ease; }
a:hover { color: var(--teal-dark); text-decoration: underline; }

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

/* Fokus */
*:focus { outline: none; }
*:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* Skip-Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--teal);
  color: var(--dark);
  padding: 0.75rem 1.25rem;
  font-weight: 700;
  border-radius: var(--r-sm);
  z-index: 9999;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 1rem; text-decoration: none; color: var(--dark); }

/* ============================================================
   LAYOUT
   ============================================================ */
.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

section { padding: 4rem 0; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(26, 35, 50, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.25rem;
  max-width: 1180px;
  margin: 0 auto;
  gap: 1rem;
}
.nav-logo { width: 120px; flex-shrink: 0; }
.nav-logo svg { width: 100%; height: auto; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--teal);
  color: var(--dark);
  padding: 0.7rem 1.1rem;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: var(--r-sm);
  min-height: 44px;
  min-width: 44px;
  border: 2px solid var(--teal);
  transition: all 0.2s ease;
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  color: var(--white);
  text-decoration: none;
  transform: translateY(-1px);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background:
    radial-gradient(ellipse at 20% 10%, rgba(1, 165, 169, 0.12) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 90%, rgba(1, 165, 169, 0.08) 0%, transparent 50%),
    linear-gradient(180deg, var(--dark) 0%, var(--dark-blue) 100%);
  color: var(--white);
  padding: 3rem 0 4.5rem;
  position: relative;
  overflow: hidden;
}

/* Dezente Diagonal-Linien im Hero */
.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(135deg, transparent 48%, rgba(1, 165, 169, 0.04) 49%, rgba(1, 165, 169, 0.04) 51%, transparent 52%);
  background-size: 60px 60px;
  pointer-events: none;
  opacity: 0.6;
}

.hero-inner { position: relative; z-index: 1; }

/* Messe-Badge */
.messe-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: rgba(1, 165, 169, 0.12);
  border: 1px solid rgba(1, 165, 169, 0.4);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.5rem;
}
.messe-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(1, 165, 169, 0.6); }
  50% { opacity: 0.6; box-shadow: 0 0 0 8px rgba(1, 165, 169, 0); }
}

.hero h1 {
  color: var(--white);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  max-width: 900px;
}
.hero h1 .accent { color: var(--teal); }

.hero-lead {
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.88);
  max-width: 640px;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 3rem;
  max-width: 420px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.95rem 1.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--r-sm);
  min-height: 48px;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  cursor: pointer;
  text-align: center;
}
.btn-primary {
  background: var(--teal);
  color: var(--dark);
  border-color: var(--teal);
}
.btn-primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  color: var(--white);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(1, 165, 169, 0.3);
}
.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.3);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--white);
  color: var(--white);
  text-decoration: none;
}

/* Messe-Info-Karte im Hero */
.messe-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.messe-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.messe-fact {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.messe-fact:last-child { border-bottom: none; padding-bottom: 0; }
.messe-fact-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--teal);
}
.messe-fact-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}
.messe-fact-sub {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
  font-weight: 300;
}

/* Countdown */
.countdown {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.countdown-unit {
  text-align: center;
  padding: 0.625rem 0.25rem;
  background: rgba(1, 165, 169, 0.08);
  border-radius: var(--r-sm);
  border: 1px solid rgba(1, 165, 169, 0.2);
}
.countdown-num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.countdown-lbl {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.375rem;
  font-weight: 500;
}
.countdown-live {
  grid-column: 1 / -1;
  padding: 0.875rem;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 0.05em;
  background: rgba(1, 165, 169, 0.12);
  border: 1px solid rgba(1, 165, 169, 0.3);
  border-radius: var(--r-sm);
}

/* ============================================================
   SECTION HEADINGS
   ============================================================ */
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal-text);
  margin-bottom: 0.875rem;
}
.section-title {
  font-size: 1.75rem;
  line-height: 1.2;
  margin-bottom: 0.875rem;
  max-width: 720px;
}
.section-lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin-bottom: 2.5rem;
}

/* ============================================================
   WARUM VORBEIKOMMEN – Benefits
   ============================================================ */
.benefits { background: var(--surface-body); }

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.benefit {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.75rem 1.5rem;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
  position: relative;
}
.benefit:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--teal);
}
.benefit-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--teal-light);
  color: var(--teal-dark);
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--r-sm);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}
.benefit h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}
.benefit p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================
   AM STAND – Programm
   ============================================================ */
.programm { background: var(--kufer-hellgrau); }

.prog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.prog-item {
  background: var(--surface-card);
  border-radius: var(--r-md);
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  border-left: 4px solid var(--teal);
}
.prog-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--teal-light);
  color: var(--teal-dark);
  border-radius: var(--r-sm);
  flex-shrink: 0;
}
.prog-icon svg { width: 22px; height: 22px; stroke: currentColor; stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.prog-content h3 {
  font-size: 1.0625rem;
  margin-bottom: 0.25rem;
}
.prog-content p {
  font-size: 0.925rem;
  color: var(--text-secondary);
  margin: 0;
}

/* ============================================================
   VISION – Zitat
   ============================================================ */
.vision {
  background: var(--dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.vision::before {
  content: "";
  position: absolute;
  top: -50px; right: -50px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(1, 165, 169, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.vision-inner { position: relative; z-index: 1; max-width: 860px; }

.vision .eyebrow { color: var(--teal); }

.quote {
  font-size: 1.3rem;
  font-weight: 300;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 2rem;
  position: relative;
  padding-left: 1.5rem;
  border-left: 3px solid var(--teal);
}
.quote strong { font-weight: 500; color: var(--white); }

.quote-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.quote-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dark);
  font-weight: 700;
  font-size: 1.05rem;
  flex-shrink: 0;
}
.quote-who {
  display: flex;
  flex-direction: column;
}
.quote-name { font-weight: 700; color: var(--white); font-size: 1rem; }
.quote-role { color: rgba(255, 255, 255, 0.7); font-size: 0.875rem; }

/* ============================================================
   ZUKUNFTSAUSBLICK – KuferOne Teaser
   ============================================================ */
.outlook { background: var(--surface-body); }

.outlook-box {
  background: linear-gradient(135deg, var(--kufer-hellgrau) 0%, #FBFAF9 100%);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 2rem 1.5rem;
  position: relative;
  overflow: hidden;
}
.outlook-box::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--teal) 0%, var(--teal-dark) 100%);
}
.outlook-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 1rem;
}
.outlook-tag::before {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--teal-dark);
  display: inline-block;
}

.outlook-mark {
  font-family: var(--font);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--logo-text);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}
.outlook-mark .one {
  color: var(--teal);
  font-weight: 300;
  margin-left: 0.1em;
}

.outlook h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}
.outlook p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1rem;
  max-width: 620px;
}
.outlook-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ============================================================
   CTA – Final
   ============================================================ */
.final-cta {
  background: var(--dark);
  color: var(--white);
  text-align: left;
  position: relative;
  overflow: hidden;
}
.final-cta::before {
  content: "";
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 55%;
  background: radial-gradient(ellipse at right, rgba(1, 165, 169, 0.15) 0%, transparent 70%);
  pointer-events: none;
}
.final-cta-inner { position: relative; z-index: 1; max-width: 720px; }
.final-cta h2 {
  color: var(--white);
  font-size: 1.8rem;
  margin-bottom: 1rem;
}
.final-cta p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 2rem;
  max-width: 560px;
}
.final-cta .stand-large {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 700;
  margin-bottom: 1rem;
  padding: 0.4rem 0.875rem;
  border: 1px solid rgba(1, 165, 169, 0.4);
  border-radius: 100px;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: #0F1821;
  color: rgba(255, 255, 255, 0.7);
  padding: 2.5rem 0 1.5rem;
}
.footer-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-logo { width: 140px; margin-bottom: 1rem; }
.footer-contact p {
  font-size: 0.875rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 0.25rem;
}
.footer-contact a {
  color: var(--teal);
}
.footer-contact a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--kufer-grau);
}
.footer-meta {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}
.footer-meta a { color: var(--kufer-grau); }
.footer-meta a:hover { color: var(--white); }

/* ============================================================
   ANIMATIONS (Fade-Up on Scroll)
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
  .messe-badge-dot { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   RESPONSIVE BREAKPOINTS (Mobile-First, min-width only)
   ============================================================ */

/* ≥ 481px – Small Tablet */
@media (min-width: 481px) {
  .hero { padding: 4rem 0 5rem; }
  .hero h1 { font-size: 2.6rem; }
  .messe-card-grid { grid-template-columns: repeat(3, 1fr); }
  .messe-fact { padding-bottom: 0; border-bottom: none; border-right: 1px solid rgba(255, 255, 255, 0.08); padding-right: 1rem; }
  .messe-fact:last-child { border-right: none; padding-right: 0; }
  .hero-actions { flex-direction: row; max-width: none; }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .prog-item { grid-template-columns: 44px 1fr; align-items: start; gap: 1rem; }
}

/* ≥ 769px – Tablet Landscape */
@media (min-width: 769px) {
  section { padding: 5.5rem 0; }
  .hero { padding: 5rem 0 6rem; display: grid; }
  .hero-inner {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 3.5rem;
    align-items: center;
  }
  .hero-content { max-width: 100%; }
  .hero h1 { font-size: 3rem; }
  .hero-lead { font-size: 1.2rem; }
  .messe-card { padding: 2rem; }
  .messe-card-grid { grid-template-columns: 1fr; gap: 1.25rem; }
  .messe-fact { border-right: none; padding-right: 0; padding-bottom: 1.25rem; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
  .messe-fact:last-child { border-bottom: none; padding-bottom: 0; }
  .section-title { font-size: 2.25rem; }
  .outlook-box { padding: 3rem; }
  .outlook-mark { font-size: 2.2rem; }
  .outlook h3 { font-size: 1.5rem; }
  .final-cta h2 { font-size: 2.4rem; }
  .quote { font-size: 1.5rem; padding-left: 2rem; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .footer-bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}

/* ≥ 1025px – Desktop */
@media (min-width: 1025px) {
  .hero h1 { font-size: 3.5rem; }
  .benefits-grid { grid-template-columns: repeat(4, 1fr); }
  .prog-grid { grid-template-columns: repeat(2, 1fr); }
  .section-title { font-size: 2.5rem; }
}

/* ============================================================
   DARK MODE (explizite Overrides)
   ============================================================ */
@media (prefers-color-scheme: dark) {
  :root {
    --surface-body: #121920;
    --surface-alt: #1A2332;
    --surface-card: #1A2332;
    --border: #2A3A50;
    --text-primary: #F1EFEE;
    --text-secondary: #B0B8C4;
    --text-muted: #8892A0;
    --link: #01A5A9;
    --gray-900: #F1EFEE;
    --gray-700: #B0B8C4;
    --gray-600: #8892A0;
    --gray-500: #8892A0;
    --gray-200: #2A3A50;
    --gray-50: #1A2332;
  }

  body { background: var(--surface-body); color: var(--text-secondary); }

  h1, h2, h3, h4 { color: var(--text-primary); }

  .benefits { background: var(--surface-body); }
  .benefit { background: #1A2332; border-color: #2A3A50; }
  .benefit-num { background: rgba(1, 165, 169, 0.12); color: var(--teal); }
  .benefit p { color: var(--text-secondary); }

  .programm { background: #1A2332; }
  .prog-item { background: #223044; }
  .prog-icon { background: rgba(1, 165, 169, 0.14); color: var(--teal); }
  .prog-content p { color: var(--text-secondary); }

  .outlook { background: var(--surface-body); }
  .outlook-box {
    background: linear-gradient(135deg, #1A2332 0%, #223044 100%);
    border-color: #2A3A50;
  }
  .outlook-mark { color: #F1EFEE; }
  .outlook p { color: var(--text-secondary); }
  .outlook-meta { color: var(--text-muted); }

  .section-lead { color: var(--text-secondary); }
  .eyebrow { color: var(--teal); }

  footer { background: #0B1117; }
}

/* Inline-Style-Ersatz für besondere Elemente */
.vision-title { color: var(--white) !important; max-width: 780px !important; }
.cta-button { font-size: 1rem !important; padding: 1.1rem 1.75rem !important; }
.footer-tagline { font-size: 0.875rem !important; color: var(--kufer-grau) !important; line-height: 1.6 !important; max-width: 360px !important; }
.footer-brand { color: var(--white) !important; font-weight: 500 !important; }