/* ==========================================================================
   SIMU ARX — Sektions-Styles
   ========================================================================== */

/* ---- Topbar ---- */
.topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--transition-base), border-color var(--transition-base);
}

.topbar.is-scrolled {
  background: rgba(10, 10, 12, 0.85);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--color-border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.topbar-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-lg);
  letter-spacing: 0.04em;
}

.topbar-logo-sub {
  color: var(--color-accent);
  margin-left: 0.2em;
  animation: logo-pulse 3.4s ease-in-out infinite;
}

@keyframes logo-pulse {
  0%, 100% { text-shadow: 0 0 0 rgba(34, 211, 217, 0); }
  50% { text-shadow: 0 0 12px var(--color-accent-glow), 0 0 4px rgba(34, 211, 217, 0.5); }
}

@media (prefers-reduced-motion: reduce) {
  .topbar-logo-sub { animation: none; }
}

.topbar-nav {
  display: flex;
  gap: var(--space-4);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

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

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.lang-switch {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.05em;
  padding: 0.4rem 0.7rem;
  transition: background var(--transition-base), color var(--transition-base);
}

.lang-btn.is-active {
  background: var(--color-accent);
  color: #04191a;
}

@media (max-width: 860px) {
  .topbar-nav { display: none; }
}

/* ---- Mobile-Menü ---- */
.topbar-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.topbar-burger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.topbar.menu-open .topbar-burger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.topbar.menu-open .topbar-burger span:nth-child(2) { opacity: 0; }
.topbar.menu-open .topbar-burger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  top: 76px;
  left: 0; right: 0;
  bottom: 0;
  background: rgba(10, 10, 12, 0.98);
  backdrop-filter: blur(10px);
  z-index: 99;
  padding: var(--space-4) var(--space-3);
  display: none;
  flex-direction: column;
  gap: var(--space-4);
}

.mobile-nav.is-open {
  display: flex;
}

.mobile-nav nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--fs-xl);
}

.mobile-nav-cta {
  align-self: flex-start;
}

@media (max-width: 860px) {
  .topbar-cta { display: none; }
  .topbar-burger { display: flex; }
}

@media (min-width: 861px) {
  .mobile-nav { display: none !important; }
}

/* ---- Hero ---- */
.hero {
  position: relative;
  height: 100vh;
  height: 100dvh;
  min-height: 480px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--color-bg);
}

.hero-media {
  position: absolute;
  inset: 0;
  will-change: opacity, transform;
  opacity: 1;
  transition: opacity 1200ms ease, transform 1200ms ease;
}

.hero-media--pre-reveal {
  opacity: 0 !important;
  transform: scale(1.04);
}

.hero-media--revealed {
  opacity: 1;
  transform: scale(1);
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  filter: grayscale(15%) contrast(1.08);
}

.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,10,12,0.35) 0%, rgba(10,10,12,0.55) 55%, var(--color-bg) 100%);
}

.hero-media--fallback {
  background:
    radial-gradient(ellipse at 60% 30%, rgba(34,211,217,0.10), transparent 60%),
    linear-gradient(180deg, #131316 0%, var(--color-bg) 100%);
}

.hero-media--fallback .hero-img { display: none; }

.hero-scanline {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.35;
  animation: scan 7s linear infinite;
}

@keyframes scan {
  0% { top: 0%; }
  100% { top: 100%; }
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-bottom: var(--space-6);
  width: 100%;
}

.hero-hud {
  padding: var(--space-3) var(--space-4) var(--space-4);
  max-width: 640px;
}

/* Boot-Up-Moment: HUD-Ecken blitzen auf, Inhalt fährt sanft ein */
.hero-hud.is-booting::before,
.hero-hud.is-booting::after {
  opacity: 0;
  transform: scale(1.4);
}

.hero-hud.is-booting .eyebrow,
.hero-hud.is-booting .hero-slogan,
.hero-hud.is-booting .hero-cta {
  opacity: 0;
  transform: translateY(10px);
}

.hero-hud.is-ready::before,
.hero-hud.is-ready::after {
  opacity: 0.9;
  transform: scale(1);
  transition: opacity 480ms ease, transform 480ms ease;
}

.hero-hud.is-ready::before { transition-delay: 60ms; }
.hero-hud.is-ready::after  { transition-delay: 140ms; }

.hero-hud.is-ready .eyebrow,
.hero-hud.is-ready .hero-slogan,
.hero-hud.is-ready .hero-cta {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 560ms ease, transform 560ms ease;
}

.hero-hud.is-ready .eyebrow    { transition-delay: 260ms; }
.hero-hud.is-ready .hero-slogan { transition-delay: 340ms; }
.hero-hud.is-ready .hero-cta   { transition-delay: 460ms; }

@media (prefers-reduced-motion: reduce) {
  .hero-hud.is-booting::before,
  .hero-hud.is-booting::after,
  .hero-hud.is-booting .eyebrow,
  .hero-hud.is-booting .hero-slogan,
  .hero-hud.is-booting .hero-cta {
    opacity: 1;
    transform: none;
  }
}

.hero-slogan {
  font-size: var(--fs-4xl);
  margin-top: var(--space-2);
  margin-bottom: var(--space-4);
}

.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-3);
  right: var(--space-3);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.hero-scroll-line {
  width: 1px;
  height: 28px;
  background: var(--color-text-faint);
  position: relative;
  overflow: hidden;
}

.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0; right: 0;
  height: 100%;
  background: var(--color-accent);
  animation: scrollline 1.8s ease-in-out infinite;
}

@keyframes scrollline {
  0% { top: -100%; }
  50% { top: 100%; }
  100% { top: 100%; }
}

@media (max-width: 768px) {
  .hero { align-items: flex-end; }
  .hero-hud { padding: var(--space-2) var(--space-3) var(--space-3); }
}

/* ---- Features ---- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.feature-card {
  position: relative;
  background: var(--color-bg);
  padding: var(--space-4) var(--space-3);
  transition: background var(--transition-base), opacity 560ms ease, transform 560ms ease;
  opacity: 0;
  transform: translateY(22px);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(135deg, transparent 40%, var(--color-accent-dim) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.feature-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card:hover {
  background: var(--color-surface);
}

.feature-card:hover::before {
  opacity: 1;
}

/* Live-Telemetry-Demo: zeigt das Feature, statt es nur zu beschreiben */
.telemetry-demo {
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px dashed var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: opacity 220ms ease;
}

.telemetry-demo.is-switching {
  opacity: 0.25;
}

.telemetry-demo-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: 0.15rem;
}

.telemetry-demo-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-mono);
}

.telemetry-demo-label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  min-width: 6.5ch;
}

.telemetry-demo-value {
  font-size: var(--fs-lg);
  color: var(--color-accent);
  min-width: 2.4ch;
  font-variant-numeric: tabular-nums;
}

.telemetry-demo-unit {
  font-size: var(--fs-xs);
  color: var(--color-text-faint);
}

.feature-icon {
  display: inline-flex;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  margin-bottom: var(--space-3);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.feature-card:hover .feature-icon {
  border-color: var(--color-accent-dim);
  box-shadow: 0 0 16px var(--color-accent-glow);
}

.feature-icon svg { width: 20px; height: 20px; }

.feature-card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-1);
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

@media (max-width: 860px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .feature-grid { grid-template-columns: 1fr; }
}

/* ---- Showcase ("So sieht's aus") ---- */
.showcase-rows {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.showcase-row {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-5);
  align-items: center;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 640ms ease, transform 640ms ease;
}

.showcase-row.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.showcase-row--reverse {
  grid-template-columns: 1fr 280px;
}

.showcase-row--reverse .showcase-visual { order: 2; }
.showcase-row--reverse .showcase-copy { order: 1; }

.showcase-visual {
  display: flex;
  justify-content: center;
}

.phone-frame {
  position: relative;
  width: 240px;
  height: 492px;
  background: #050506;
  border-radius: 30px;
  padding: 8px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,0.55);
}

.phone-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  border-radius: 22px;
  display: block;
}

.phone-notch {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 76px;
  height: 20px;
  background: #050506;
  border-radius: 0 0 14px 14px;
  z-index: 2;
}

.showcase-kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.showcase-copy h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-2);
  max-width: 480px;
}

.showcase-copy > p:not(.showcase-kicker):not(.showcase-note) {
  color: var(--color-text-muted);
  font-size: var(--fs-base);
  max-width: 480px;
  line-height: 1.7;
}

.showcase-note {
  margin-top: var(--space-2);
  padding: 0.7rem 1rem;
  border-left: 2px solid var(--color-accent-dim);
  background: var(--color-surface);
  font-size: var(--fs-xs);
  color: var(--color-text-faint);
  max-width: 480px;
}

@media (max-width: 860px) {
  .showcase-row,
  .showcase-row--reverse {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-3);
  }
  .showcase-row--reverse .showcase-visual,
  .showcase-row--reverse .showcase-copy {
    order: initial;
  }
  .showcase-copy h3,
  .showcase-copy > p:not(.showcase-kicker),
  .showcase-note {
    max-width: none;
    margin-left: auto;
    margin-right: auto;
  }
  .phone-frame { width: 210px; height: 431px; }
}

/* Galerie-Variante: mehrere Screens in einer Zeile (z. B. Routenplanung) */
.showcase-row--gallery {
  grid-template-columns: 1fr;
  text-align: center;
}

.showcase-row--gallery .showcase-copy {
  order: 1;
  max-width: 620px;
  margin: 0 auto var(--space-4);
}

.showcase-row--gallery .showcase-copy h3,
.showcase-row--gallery .showcase-copy > p:not(.showcase-kicker):not(.showcase-note) {
  max-width: none;
  margin-left: auto;
  margin-right: auto;
}

.showcase-row--gallery .showcase-visual {
  order: 2;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.showcase-mini {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.phone-frame--sm {
  width: 172px;
  height: 353px;
}

.showcase-mini-label {
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}

@media (max-width: 640px) {
  .phone-frame--sm { width: 150px; height: 308px; }
}

/* ---- Differenzierung ---- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
}

.diff-card {
  background: var(--color-bg);
  padding: var(--space-4) var(--space-3);
}

.diff-index {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-accent-dim);
  display: block;
  margin-bottom: var(--space-2);
}

.diff-card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-1);
}

.diff-card p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

@media (max-width: 860px) {
  .diff-grid { grid-template-columns: 1fr; }
}

/* ---- CTA-Band ---- */
.cta-band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-4);
}

.cta-band-inner h2 {
  font-size: var(--fs-xl);
}

.cta-band-inner p {
  color: var(--color-text-muted);
  margin-top: 0.4rem;
}

@media (max-width: 640px) {
  .cta-band-inner { flex-direction: column; align-items: flex-start; }
}

/* ---- Story ---- */
.story-inner {
  max-width: 680px;
}

.story-inner h2 {
  font-size: var(--fs-2xl);
  margin-top: var(--space-2);
  margin-bottom: var(--space-3);
}

.story-inner p:not(.eyebrow) {
  color: var(--color-text-muted);
  font-size: var(--fs-lg);
  line-height: 1.7;
}

/* ---- FAQ ---- */
.faq-list {
  max-width: 720px;
  border-top: var(--border-hairline);
}

.faq-item {
  border-bottom: var(--border-hairline);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  background: transparent;
  border: none;
  color: var(--color-text);
  text-align: left;
  padding: var(--space-3) 0;
  font-family: var(--font-display);
  font-size: var(--fs-base);
  font-weight: 600;
}

.faq-icon {
  position: relative;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--color-accent);
  transform: translate(-50%, -50%);
  transition: transform var(--transition-base);
}

.faq-icon::before { width: 14px; height: 1.5px; }
.faq-icon::after { width: 1.5px; height: 14px; }

.faq-item.is-open .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg) scaleX(0); }

.faq-answer {
  padding-bottom: var(--space-3);
  max-width: 620px;
}

.faq-answer p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

/* ---- Partner ---- */
.partner-head { position: relative; }

.status-pill {
  display: inline-block;
  margin: var(--space-2) 0;
  padding: 0.3rem 0.8rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--color-accent-dim);
  color: var(--color-accent);
  border-radius: 999px;
}

.partner-teaser {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  padding: var(--space-5) var(--space-4);
}

.partner-teaser h2 {
  font-size: var(--fs-2xl);
  margin-top: var(--space-2);
}

.partner-teaser p {
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.partner-teaser .status-pill {
  display: inline-block;
  margin: var(--space-2) 0;
}

/* ---- Join ---- */
.join-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

.join-benefits {
  list-style: none;
  padding: 0;
  margin: var(--space-3) 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.join-benefits li::before {
  content: '— ';
  color: var(--color-accent);
}

.join-form {
  background: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

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

.form-row label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-row input {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--color-text);
  font-size: var(--fs-base);
  transition: border-color var(--transition-base);
}

.form-row input:focus {
  border-color: var(--color-accent);
}

.join-submit { margin-top: 0.4rem; }

.platform-switch {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.platform-btn {
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  padding: 0.5rem 1rem;
  transition: background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

.platform-btn:hover { border-color: var(--color-accent); }

.platform-btn.is-active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #04191a;
}

.join-status {
  min-height: 1.2em;
  font-size: var(--fs-sm);
  color: var(--color-accent);
}

.join-status.is-error { color: var(--color-danger); }

.join-privacy {
  font-size: var(--fs-xs);
  color: var(--color-text-faint);
}

.join-privacy a { color: var(--color-text-muted); text-decoration: underline; }

@media (max-width: 860px) {
  .join-inner { grid-template-columns: 1fr; }
}

/* ---- Footer ---- */
.footer {
  border-top: var(--border-hairline);
  padding: var(--space-5) 0 var(--space-4);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-3) var(--space-5);
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  margin-top: 0.4rem;
}

.footer-links {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  align-self: start;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

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

.footer-rights {
  grid-column: 1 / -1;
  border-top: var(--border-hairline);
  padding-top: var(--space-3);
  font-size: var(--fs-xs);
  color: var(--color-text-faint);
}

@media (max-width: 640px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ---- Cookie-/Datenschutz-Hinweis ---- */
.cookie-banner {
  position: fixed;
  left: var(--space-3);
  right: var(--space-3);
  bottom: var(--space-3);
  z-index: 200;
  max-width: 560px;
  margin: 0 auto;
  background: var(--color-surface);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.cookie-banner.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.cookie-banner p {
  flex: 1 1 260px;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.cookie-banner p a {
  color: var(--color-text);
  text-decoration: underline;
}

.cookie-banner .btn {
  padding: 0.6rem 1.2rem;
  font-size: var(--fs-xs);
}

/* ---- Back-to-Top ---- */
.back-to-top {
  position: fixed;
  right: var(--space-3);
  bottom: var(--space-3);
  z-index: 90;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(19, 19, 22, 0.9);
  backdrop-filter: blur(6px);
  color: var(--color-accent);
  border: none;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  box-shadow: 0 0 20px var(--color-accent-glow);
}

@media (max-width: 640px) {
  .back-to-top { bottom: calc(var(--space-3) + 4px); }
}