/* ── REP12 — Shared Styles ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* ── REP12 "Performance Lime" ── */
  --bg:        #0A0A0A;
  --surface:   #141414;
  --surface2:  #1C1C1C;
  --border:    #2A2A2A;
  --accent:    #C6FF00;            /* volt-lime — the single accent */
  --accent-dim:#A8DB00;
  --accent-glow: rgba(198, 255, 0, 0.22);
  --on-accent: #0A0A0A;           /* dark ink on top of bright lime */
  --text:      #F5F5F5;
  --text-muted:#8A8A8A;
  --text-faint:#5A5A5A;
  --radius:    12px;

  /* ── Type roles ── */
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-mono:    'Space Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

html { scroll-behavior: smooth; }

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

/* ── Display face: headlines, numbers, wordmark, prices ── */
.nav-logo, .footer-logo,
.hero-title, .section-title, .page h1,
.step-number, .product-price {
  font-family: var(--font-display);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 96px 0; }

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.nav-logo img { width: 32px; height: 32px; border-radius: 8px; }
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text); }

.nav-cta {
  background: var(--accent);
  color: var(--on-accent);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 8px;
  transition: opacity 0.2s;
}

.nav-cta:hover { opacity: 0.85; }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.hero-badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-title .accent { color: var(--accent); }

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 440px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.2s, transform 0.2s;
}

.btn-primary:hover { opacity: 0.85; transform: translateY(-1px); }

.btn-secondary {
  color: var(--text-muted);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}

.btn-secondary:hover { color: var(--text); }

.hero-visual {
  aspect-ratio: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  position: relative;
  overflow: hidden;
}

.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 60% 40%, var(--accent-glow), transparent 65%);
}

.hero-visual-label {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-visual-label img {
  width: 140px;
  height: 140px;
  margin: 0 auto 16px;
  border-radius: 28px;
  opacity: 0.9;
}

/* ── SECTIONS ── */
.section-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-sub {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 520px;
}

/* ── FEATURES ── */
#features {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.feature-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s;
}

.feature-card:hover { border-color: var(--accent); }

.feature-icon {
  width: 44px; height: 44px;
  background: var(--accent-glow);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-icon svg {
  width: 22px; height: 22px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── HOW IT WORKS ── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 56px;
}

.step { text-align: center; }

.step-number {
  width: 48px; height: 48px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 auto 20px;
}

.step-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ── APP SECTION ── */
#app {
  border-bottom: 1px solid var(--border);
}

.app-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 24px;
}

.app-points {
  list-style: none;
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.app-points li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.app-point-marker {
  flex-shrink: 0;
  width: 22px; height: 22px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-point-marker svg {
  width: 12px; height: 12px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.app-points strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
}

.app-points span {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.app-visual {
  aspect-ratio: 9/14;
  max-width: 320px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 24px;
}

/* ── SHOP ── */
#shop {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 56px;
  max-width: 760px;
}

.product-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}

.product-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.product-image {
  aspect-ratio: 4/3;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.product-image-inner { text-align: center; }

.product-image-inner img {
  width: 64px; height: 64px;
  margin: 0 auto 10px;
  border-radius: 14px;
  opacity: 0.55;
}

.product-body { padding: 20px; }

.product-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.product-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-price {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
}

.btn-buy {
  background: var(--accent);
  color: var(--on-accent);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: opacity 0.2s;
}

.btn-buy:hover { opacity: 0.85; }

/* ── FAQ ── */
.faq-list {
  margin-top: 48px;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-list details {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 22px;
}

.faq-list summary {
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-list summary::after {
  content: '+';
  color: var(--text-muted);
  font-size: 1.2rem;
  font-weight: 400;
}

.faq-list details[open] summary::after { content: '–'; }

.faq-list p {
  margin-top: 12px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ── SUBPAGES (Impressum / Datenschutz / Kontakt) ── */
.page {
  padding: 160px 0 96px;
  min-height: 70vh;
}

.page-narrow { max-width: 720px; }

.page h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}

.page h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 36px 0 12px;
}

.page p, .page ul {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.page ul { padding-left: 22px; }

.page a.text-link {
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

.page a.text-link:hover { border-color: var(--accent); }

.placeholder-note {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 14px 18px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* ── CONTACT FORM ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  margin-top: 16px;
}

.contact-info p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.contact-email svg {
  width: 18px; height: 18px;
  stroke: var(--accent);
  fill: none;
  stroke-width: 1.8;
}

form.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-field input,
.form-field textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.2s;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-field textarea { resize: vertical; min-height: 140px; }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.footer-logo img { width: 26px; height: 26px; border-radius: 6px; }
.footer-logo span { color: var(--accent); }

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero-inner, .app-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .features-grid, .steps { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .footer-inner { flex-direction: column; gap: 20px; text-align: center; }
}