/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --teal:       #0D7B6E;
  --teal-dark:  #0A6259;
  --teal-light: #E8F5F3;
  --mint:       #4ECDC4;
  --dark:       #1A2332;
  --gray:       #6B7280;
  --light:      #F8FAFB;
  --white:      #FFFFFF;
  --border:     #E5E7EB;
  --radius:     12px;
  --radius-lg:  20px;
  --shadow:     0 4px 24px rgba(13,123,110,.10);
  --shadow-lg:  0 12px 48px rgba(13,123,110,.16);
  --font:       'Inter', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ===== NAV ===== */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex; align-items: center; gap: 32px;
  height: 68px;
}
.logo {
  font-size: 1.4rem; font-weight: 800; color: var(--dark); text-decoration: none;
  flex-shrink: 0;
}
.logo span { color: var(--teal); }
.nav-links {
  display: flex; list-style: none; gap: 28px; margin: 0 auto;
}
.nav-links a { color: var(--gray); text-decoration: none; font-size: .95rem; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--teal); }
.nav-cta { flex-shrink: 0; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.4rem; cursor: pointer; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 20px; border-radius: 8px; font-weight: 600;
  font-size: .9rem; text-decoration: none; cursor: pointer;
  border: 2px solid transparent; transition: all .2s;
}
.btn-primary { background: var(--teal); color: var(--white); }
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(13,123,110,.3); }
.btn-ghost { color: var(--teal); background: transparent; }
.btn-ghost:hover { background: var(--teal-light); }
.btn-outline { border-color: var(--teal); color: var(--teal); background: transparent; }
.btn-outline:hover { background: var(--teal); color: var(--white); }
.btn-lg { padding: 14px 28px; font-size: 1rem; border-radius: 10px; }
.btn-full { width: 100%; margin-top: 24px; }

/* ===== SECTION LABELS ===== */
.section-label {
  display: inline-block; background: var(--teal-light); color: var(--teal);
  font-weight: 600; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 20px; margin-bottom: 16px;
}

/* ===== HERO ===== */
.hero {
  display: flex; align-items: center; gap: 64px;
  padding: 100px 24px 80px; max-width: 1160px; margin: 0 auto;
}
.hero-inner { flex: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--teal-light); color: var(--teal);
  font-size: .85rem; font-weight: 600; padding: 6px 14px;
  border-radius: 20px; margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800; line-height: 1.15;
  letter-spacing: -.02em; margin-bottom: 20px;
}
.highlight { color: var(--teal); }
.hero-sub {
  font-size: 1.1rem; color: var(--gray);
  max-width: 520px; margin-bottom: 36px; line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats {
  display: flex; align-items: center; gap: 0;
  background: var(--light); border-radius: var(--radius);
  padding: 20px 28px; border: 1px solid var(--border);
  width: fit-content; gap: 32px;
}
.stat { display: flex; flex-direction: column; align-items: center; }
.stat strong { font-size: 1.5rem; font-weight: 800; color: var(--teal); }
.stat span { font-size: .8rem; color: var(--gray); font-weight: 500; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* ===== PHONE MOCKUP ===== */
.hero-visual { flex: 0 0 360px; }
.phone-mockup {
  background: var(--dark);
  border-radius: 40px;
  padding: 20px;
  box-shadow: var(--shadow-lg);
  border: 8px solid #2D3748;
}
.phone-screen {
  background: #F0F2F5;
  border-radius: 28px;
  padding: 20px 16px;
  display: flex; flex-direction: column; gap: 12px;
  min-height: 420px;
}
.chat-bubble {
  max-width: 82%; padding: 10px 14px;
  border-radius: 18px; font-size: .82rem; line-height: 1.5;
}
.chat-bubble.bot {
  background: var(--white); color: var(--dark);
  border-bottom-left-radius: 4px; align-self: flex-start;
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
}
.chat-bubble.user {
  background: var(--teal); color: var(--white);
  border-bottom-right-radius: 4px; align-self: flex-end;
}

/* ===== PAIN SECTION ===== */
.pain-section { background: var(--dark); padding: 80px 0; }
.pain-intro {
  text-align: center; color: var(--mint);
  font-weight: 600; font-size: 1rem; margin-bottom: 40px;
  letter-spacing: .04em;
}
.pain-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.pain-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-lg); padding: 32px;
}
.pain-icon { font-size: 2rem; margin-bottom: 16px; }
.pain-card h3 { color: var(--white); font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.pain-card p { color: rgba(255,255,255,.65); font-size: .9rem; line-height: 1.6; }

/* ===== HOW IT WORKS ===== */
.how-section { padding: 100px 0; text-align: center; }
.how-section h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 60px; }
.steps-grid {
  display: flex; align-items: flex-start; gap: 0;
  justify-content: center;
}
.step { flex: 1; max-width: 280px; padding: 0 20px; }
.step-number {
  font-size: 3rem; font-weight: 800; color: var(--teal-light);
  line-height: 1; margin-bottom: 16px;
}
.step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; }
.step p { color: var(--gray); font-size: .9rem; line-height: 1.6; }
.step-arrow {
  font-size: 1.8rem; color: var(--mint); padding-top: 20px;
  flex-shrink: 0;
}

/* ===== FEATURES ===== */
.features-section { background: var(--light); padding: 100px 0; }
.features-section h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 48px; text-align: center; }
.features-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.feature-card {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 32px; border: 1px solid var(--border);
  transition: box-shadow .2s, transform .2s;
}
.feature-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.feature-icon { font-size: 2rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--gray); font-size: .88rem; line-height: 1.6; }

/* ===== TESTIMONIALS ===== */
.proof-section { padding: 100px 0; }
.proof-section h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 48px; text-align: center; }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial {
  background: var(--light); border-radius: var(--radius-lg);
  padding: 32px; border: 1px solid var(--border);
}
.testimonial-stars { color: #F59E0B; font-size: 1rem; margin-bottom: 16px; }
.testimonial p { color: var(--dark); font-size: .9rem; line-height: 1.7; margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--teal); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .8rem; flex-shrink: 0;
}
.testimonial-author strong { display: block; font-size: .9rem; }
.testimonial-author span { font-size: .8rem; color: var(--gray); }

/* ===== DSGVO ===== */
.dsgvo-section { background: var(--teal-light); padding: 48px 0; }
.dsgvo-inner {
  display: flex; align-items: center; gap: 28px;
  flex-wrap: wrap;
}
.dsgvo-icon { font-size: 2.5rem; flex-shrink: 0; }
.dsgvo-inner h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.dsgvo-inner p { color: var(--gray); font-size: .88rem; }
.dsgvo-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-left: auto; }
.badge {
  background: var(--white); color: var(--teal);
  font-weight: 600; font-size: .8rem; padding: 6px 14px;
  border-radius: 20px; border: 1px solid var(--border);
}

/* ===== PRICING ===== */
.pricing-section { background: var(--light); padding: 100px 0; text-align: center; }
.pricing-section h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; }
.pricing-sub { color: var(--gray); margin-bottom: 48px; }
.pricing-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 24px; max-width: 800px; margin: 0 auto;
}
.pricing-card {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 40px; border: 2px solid var(--border);
  text-align: left; position: relative;
}
.pricing-featured {
  border-color: var(--teal);
  box-shadow: var(--shadow-lg);
}
.plan-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--teal); color: var(--white);
  font-size: .75rem; font-weight: 700; padding: 4px 16px; border-radius: 20px;
  white-space: nowrap;
}
.plan-name { font-size: .9rem; font-weight: 600; color: var(--gray); margin-bottom: 8px; }
.plan-price {
  font-size: 2.8rem; font-weight: 800; color: var(--dark);
  margin-bottom: 8px; line-height: 1;
}
.plan-price span:first-child { font-size: 1.4rem; vertical-align: top; margin-top: 8px; display: inline-block; }
.plan-price span:last-child { font-size: 1rem; color: var(--gray); font-weight: 500; }
.plan-desc { color: var(--gray); font-size: .88rem; margin-bottom: 24px; }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.plan-features li { font-size: .9rem; color: var(--dark); }

/* ===== FAQ ===== */
.faq-section { padding: 100px 0; }
.faq-section h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 48px; text-align: center; }
.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden;
}
.faq-question {
  width: 100%; background: none; border: none; cursor: pointer;
  padding: 20px 24px; text-align: left; font-family: var(--font);
  font-size: .95rem; font-weight: 600; color: var(--dark);
  display: flex; justify-content: space-between; align-items: center;
  transition: background .2s;
}
.faq-question:hover { background: var(--light); }
.faq-question span { font-size: 1.2rem; color: var(--teal); flex-shrink: 0; }
.faq-answer {
  display: none; padding: 0 24px 20px;
  font-size: .9rem; color: var(--gray); line-height: 1.7;
}
.faq-answer.open { display: block; }

/* ===== CTA SECTION ===== */
.cta-section { background: var(--dark); padding: 100px 0; text-align: center; }
.cta-inner h2 { font-size: 2.4rem; font-weight: 800; color: var(--white); margin-bottom: 16px; }
.cta-inner p { color: rgba(255,255,255,.7); font-size: 1rem; margin-bottom: 40px; }
.cta-form {
  display: flex; flex-wrap: wrap; gap: 12px;
  max-width: 640px; margin: 0 auto 16px;
}
.cta-form input {
  flex: 1; min-width: 180px; padding: 14px 18px;
  border: 2px solid rgba(255,255,255,.15); border-radius: 10px;
  background: rgba(255,255,255,.08); color: var(--white);
  font-family: var(--font); font-size: .95rem;
  outline: none; transition: border .2s;
}
.cta-form input::placeholder { color: rgba(255,255,255,.4); }
.cta-form input:focus { border-color: var(--mint); }
.cta-hint { color: rgba(255,255,255,.5); font-size: .85rem; }

/* ===== FOOTER ===== */
.footer { background: #111827; padding: 64px 0 0; }
.footer-inner { display: flex; gap: 64px; flex-wrap: wrap; padding-bottom: 48px; }
.footer-brand { flex: 1; min-width: 200px; }
.footer-brand p { color: rgba(255,255,255,.5); font-size: .88rem; margin-top: 12px; }
.footer-links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-links > div { display: flex; flex-direction: column; gap: 10px; }
.footer-links strong { color: var(--white); font-size: .85rem; margin-bottom: 4px; }
.footer-links a { color: rgba(255,255,255,.5); font-size: .85rem; text-decoration: none; transition: color .2s; }
.footer-links a:hover { color: var(--mint); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
}
.footer-bottom p { color: rgba(255,255,255,.35); font-size: .8rem; text-align: center; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero { flex-direction: column; padding: 60px 24px; gap: 48px; }
  .hero-visual { display: none; }
  .pain-grid, .features-grid, .testimonials-grid { grid-template-columns: 1fr; }
  .steps-grid { flex-direction: column; align-items: center; }
  .step-arrow { transform: rotate(90deg); padding: 0; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .dsgvo-inner { flex-direction: column; text-align: center; }
  .dsgvo-badges { margin: 0 auto; }
}

@media (max-width: 600px) {
  .hero h1 { font-size: 2rem; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 80px; height: 1px; }
  .cta-form { flex-direction: column; }
  .cta-form input, .cta-form .btn { width: 100%; }
  .footer-inner { flex-direction: column; gap: 40px; }
}