/* =========================================
   VARIABLES & BASE
   ========================================= */
:root {
  --clr-primary: #1E3A8A;
  --clr-primary-dark: #1e293b;
  --clr-accent: #3b82f6;
  --clr-accent-light: rgba(59,130,246,0.1);
  --clr-surface: #ffffff;
  --clr-surface-alt: #f8fafc;
  --clr-bg: #f1f5f9;
  --clr-bg-dark: #0f172a;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-light: #f8fafc;
  --font: 'Inter', sans-serif;
  --nav-height: 72px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.1);
  --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-height); }

body {
  font-family: var(--font);
  color: var(--text-primary);
  background: var(--clr-surface);
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; color: var(--clr-primary-dark); }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

/* =========================================
   UTILITIES
   ========================================= */
.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 2rem; }
.bg-light { background: var(--clr-surface-alt); }

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 { font-size: 2.25rem; margin-bottom: 1rem; }
.section-header p { color: var(--text-secondary); font-size: 1.1rem; }

.badge-section {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: var(--clr-accent-light);
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.badge-section.light { color: #93c5fd; background: rgba(147,197,253,0.15); }

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-sm { padding: 0.55rem 1.1rem; font-size: 0.875rem; }

.btn-primary { background: var(--clr-primary); color: white; }
.btn-primary:hover { background: #1e40af; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(30,58,138,0.3); }

.btn-outline { background: transparent; border-color: var(--clr-primary); color: var(--clr-primary); }
.btn-outline:hover { background: var(--clr-primary); color: white; transform: translateY(-2px); }

.btn-block { width: 100%; justify-content: center; }

/* =========================================
   HEADER
   ========================================= */
.header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  height: var(--nav-height);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.header.scrolled { box-shadow: var(--shadow-md); border-bottom-color: rgba(0,0,0,0.06); }

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.35rem;
  color: var(--clr-primary);
}

.logo i { font-size: 1.6rem; color: var(--clr-accent); }
.logo strong { color: var(--clr-accent); }

.nav { display: flex; align-items: center; gap: 2rem; }
.nav-links { display: flex; gap: 1.75rem; }

.nav-link {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-secondary);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--clr-primary);
  transition: var(--transition);
}

.nav-link:hover { color: var(--clr-primary); }
.nav-link:hover::after { width: 100%; }

.mobile-menu-btn { display: none; background: none; border: none; font-size: 1.6rem; color: var(--clr-primary-dark); cursor: pointer; }

/* =========================================
   HERO
   ========================================= */
.hero {
  padding-top: calc(var(--nav-height) + 5rem);
  padding-bottom: 6rem;
  background: linear-gradient(150deg, #f0f4ff 0%, #ffffff 60%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 60vw; height: 60vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, transparent 70%);
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--clr-accent);
  background: var(--clr-accent-light);
  border: 1px solid rgba(59,130,246,0.2);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.hero-content h1 {
  font-size: 3.25rem;
  margin-bottom: 1.5rem;
  color: var(--clr-primary-dark);
  letter-spacing: -0.02em;
}

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

.hero-content p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 480px;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }

.hero-meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.meta-item i { color: var(--clr-accent); font-size: 1rem; }

/* Terminal Window */
.terminal-window {
  background: #0f172a;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
  transition: var(--transition);
}

.terminal-window:hover { transform: perspective(1000px) rotateY(0deg) rotateX(0deg); }

.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: #1e293b;
  border-bottom: 1px solid #334155;
}

.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #eab308; }
.dot.green { background: #22c55e; }

.terminal-title {
  margin-left: 0.5rem;
  font-size: 0.75rem;
  color: #64748b;
}

.terminal-body { padding: 1.25rem 1.5rem; }

.terminal-line {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
  color: #94a3b8;
}

.terminal-line .prompt { color: #3b82f6; font-weight: 700; flex-shrink: 0; }
.terminal-line.success .prompt { color: #22c55e; }
.terminal-line.warning .prompt { color: #f59e0b; }
.terminal-line.success { color: #86efac; }
.terminal-line.warning { color: #fcd34d; }

.terminal-line.blink .prompt {
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* =========================================
   WAS IST SECTION
   ========================================= */
.was-ist-section { padding: 6rem 0; }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.card {
  background: white;
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-primary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(59,130,246,0.15); }
.card:hover::before { transform: scaleX(1); }

.card-icon {
  width: 52px; height: 52px;
  background: var(--clr-accent-light);
  color: var(--clr-accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.25rem;
  transition: var(--transition);
}

.card:hover .card-icon { background: var(--clr-primary); color: white; }

.card h3 { font-size: 1.1rem; margin-bottom: 0.75rem; }
.card p { color: var(--text-secondary); font-size: 0.95rem; }

/* =========================================
   FUNKTIONEN / PROCESS STEPS
   ========================================= */
.funktionen-section { padding: 6rem 0; }

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  left: 38px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--clr-accent), var(--clr-primary));
  opacity: 0.2;
}

.step {
  display: flex;
  gap: 2rem;
  padding: 2rem 0;
  position: relative;
}

.step-number {
  flex-shrink: 0;
  width: 76px; height: 76px;
  background: white;
  border: 2px solid var(--clr-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-accent);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.step:hover .step-number {
  background: var(--clr-primary);
  color: white;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 6px rgba(30,58,138,0.08);
}

.step-content { padding-top: 1.25rem; }
.step-content h3 { font-size: 1.15rem; margin-bottom: 0.6rem; }
.step-content p { color: var(--text-secondary); }

/* =========================================
   KONTAKT / WAITLIST
   ========================================= */
.kontakt-section {
  padding: 6rem 0;
  background: var(--clr-bg-dark);
  color: var(--text-light);
}

.kontakt-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.kontakt-content h2 { color: white; font-size: 2.25rem; margin-bottom: 1rem; }
.kontakt-content p { color: #94a3b8; font-size: 1.05rem; margin-bottom: 2rem; }

.benefits-list { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 2rem; }
.benefits-list li { display: flex; align-items: center; gap: 0.75rem; font-size: 1rem; }
.benefits-list i { color: #3b82f6; font-size: 1.25rem; }

.contact-info { padding-top: 1.5rem; border-top: 1px solid #1e293b; }
.contact-info p { color: #64748b; font-size: 0.9rem; }
.contact-info a { color: #60a5fa; font-weight: 500; }
.contact-info a:hover { color: #93c5fd; }

.form-wrapper {
  background: white;
  padding: 2.5rem;
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(0,0,0,0.3);
  color: var(--text-primary);
}

.form-wrapper h3 { font-size: 1.25rem; margin-bottom: 1.5rem; color: var(--clr-primary-dark); }

.waitlist-form { display: flex; flex-direction: column; gap: 1.1rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }

label { font-weight: 500; font-size: 0.875rem; color: var(--clr-primary-dark); }

input, select, textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: var(--transition);
  background: #f8fafc;
  color: var(--text-primary);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
  background: white;
}

.form-success {
  text-align: center;
  padding: 2rem;
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: var(--radius-sm);
}

.form-success.hidden { display: none; }
.success-icon { font-size: 2.5rem; color: #22c55e; margin-bottom: 0.75rem; }
.form-success h4 { color: #15803d; margin-bottom: 0.5rem; }
.form-success p { color: #166534; font-size: 0.9rem; }

/* =========================================
   FOOTER
   ========================================= */
.footer { background: #020617; color: #475569; padding-top: 4rem; }

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid #0f172a;
}

.footer-brand .logo { color: #f1f5f9; margin-bottom: 1rem; }
.footer-brand .logo strong { color: #60a5fa; }
.footer-brand p { max-width: 300px; font-size: 0.9rem; }

.footer-links h4, .footer-legal h4 { color: #f1f5f9; font-size: 1rem; margin-bottom: 1rem; }
.footer-links ul, .footer-legal ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links a:hover, .footer-legal a:hover { color: #60a5fa; }

.footer-bottom { display: flex; justify-content: center; padding: 1.5rem 0; font-size: 0.8rem; }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-container,
  .kontakt-container { grid-template-columns: 1fr; gap: 3rem; }

  .hero-content h1 { font-size: 2.5rem; }
  .hero-content { text-align: center; }
  .hero-content p { margin: 0 auto 2rem; }
  .hero-actions { justify-content: center; }
  .hero-meta { justify-content: center; }

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

  .section-header h2 { font-size: 1.85rem; }

  .process-steps::before { display: none; }

  .nav {
    display: none;
    position: absolute;
    top: var(--nav-height); left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow-md);
  }

  .nav.nav-open { display: flex; }
  .nav-links { flex-direction: column; align-items: center; }
  .mobile-menu-btn { display: block; }

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

@media (max-width: 480px) {
  .hero-content h1 { font-size: 2rem; }
  .hero-actions { flex-direction: column; }
  .form-wrapper { padding: 1.5rem; }
}