/* ── Design tokens ─────────────────────────────────────────── */
:root {
  --bg: #07070d;
  --bg-elevated: #0f0f18;
  --bg-card: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f0f0f5;
  --text-muted: #9494a8;
  --accent: #a855f7;
  --accent-2: #06b6d4;
  --accent-3: #ec4899;
  --gradient: linear-gradient(135deg, var(--accent), var(--accent-2));
  --gradient-warm: linear-gradient(135deg, var(--accent-3), var(--accent));
  --radius: 16px;
  --radius-lg: 24px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --nav-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

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

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }
ul { list-style: none; }

.container {
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

/* ── Utilities ───────────────────────────────────────────── */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 0.75rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── Navigation ──────────────────────────────────────────── */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
}

.nav.scrolled {
  background: rgba(7, 7, 13, 0.82);
  backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.nav__logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.25s;
}

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

.nav__cta {
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  background: var(--gradient);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.875rem;
  transition: transform 0.25s, box-shadow 0.25s;
}

.nav__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 32px rgba(168, 85, 247, 0.35);
}

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  position: relative;
}

.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.nav__toggle span {
  position: relative;
}

.nav__toggle span::before,
.nav__toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav__toggle span::before { top: -7px; }
.nav__toggle span::after { top: 7px; }

.nav__toggle.open span { background: transparent; }
.nav__toggle.open span::before { top: 0; transform: rotate(45deg); }
.nav__toggle.open span::after { top: 0; transform: rotate(-45deg); }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.hero__video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__video-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(168, 85, 247, 0.25), transparent),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(6, 182, 212, 0.15), transparent),
    linear-gradient(to bottom, rgba(7, 7, 13, 0.3) 0%, rgba(7, 7, 13, 0.75) 60%, var(--bg) 100%);
  z-index: 1;
}

.hero__lights {
  position: absolute;
  inset: -50%;
  z-index: 2;
  pointer-events: none;
  background: conic-gradient(
    from 0deg at 50% 50%,
    transparent 0deg,
    rgba(168, 85, 247, 0.06) 60deg,
    transparent 120deg,
    rgba(6, 182, 212, 0.05) 200deg,
    transparent 280deg
  );
  animation: lightSweep 18s linear infinite;
}

@keyframes lightSweep {
  to { transform: rotate(360deg); }
}

.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: calc(var(--nav-h) + 2rem) 1.5rem 4rem;
  max-width: 820px;
}

.hero__logo {
  width: min(280px, 70vw);
  margin-inline: auto;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 0 40px rgba(168, 85, 247, 0.4));
  animation: logoFloat 6s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-muted);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}

.btn--primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 24px rgba(168, 85, 247, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(168, 85, 247, 0.45);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text);
  backdrop-filter: blur(8px);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: scrollBounce 2.5s ease-in-out infinite;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ── Intro ───────────────────────────────────────────────── */
.intro {
  padding: 6rem 0;
}

.intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.intro__gallery {
  position: relative;
}

.gallery__main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.5s var(--ease);
}

.gallery__thumbs {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.gallery__thumb {
  flex: 1;
  aspect-ratio: 16/10;
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.3s, border-color 0.3s, transform 0.3s;
  background: none;
  padding: 0;
}

.gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery__thumb.active,
.gallery__thumb:hover {
  opacity: 1;
  border-color: var(--accent);
  transform: scale(1.02);
}

.intro__text p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-top: 1.25rem;
}

/* ── Features ────────────────────────────────────────────── */
.features {
  padding: 5rem 0;
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-top: 3rem;
}

.feature-card {
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
  text-align: center;
  transition: transform 0.35s var(--ease), border-color 0.35s, box-shadow 0.35s;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(168, 85, 247, 0.3);
  box-shadow: 0 16px 48px rgba(168, 85, 247, 0.12);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  margin-inline: auto;
  margin-bottom: 1.25rem;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: var(--gradient);
  font-size: 1.5rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ── Team ────────────────────────────────────────────────── */
.team {
  padding: 6rem 0;
}

.team__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 3rem;
  max-width: 720px;
  margin-inline: auto;
}

.team-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: transform 0.35s var(--ease), box-shadow 0.35s;
}

.team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.team-card__img {
  aspect-ratio: 1;
  overflow: hidden;
  position: relative;
}

.team-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.team-card:hover .team-card__img img {
  transform: scale(1.05);
}

.team-card__img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--bg) 0%, transparent 50%);
}

.team-card__body {
  padding: 1.5rem;
  text-align: center;
}

.team-card__body h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

.team-card__body p {
  color: var(--accent-2);
  font-size: 0.875rem;
  font-weight: 500;
  margin-top: 0.25rem;
}

/* ── FAQ ─────────────────────────────────────────────────── */
.faq {
  padding: 6rem 0;
  background: var(--bg-elevated);
  border-block: 1px solid var(--border);
}

.faq__list {
  margin-top: 3rem;
  max-width: 720px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq__item {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  overflow: hidden;
}

.faq__item summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: color 0.25s;
}

.faq__item summary::-webkit-details-marker { display: none; }

.faq__item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--accent);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
}

.faq__item[open] summary {
  color: var(--accent-2);
}

.faq__item p {
  padding: 0 1.5rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ── Contact ───────────────────────────────────────────────── */
.contact {
  padding: 6rem 0;
}

.contact__info--solo {
  max-width: 480px;
  margin-inline: auto;
  margin-top: 3rem;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 2rem;
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  border: 1px solid var(--border);
}

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

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea {
  padding: 0.875rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  transition: border-color 0.25s, box-shadow 0.25s;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
}

.form-status {
  font-size: 0.875rem;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-2);
  border: 1px solid rgba(6, 182, 212, 0.25);
}

.form-status.error {
  display: block;
  background: rgba(236, 72, 153, 0.12);
  color: var(--accent-3);
  border: 1px solid rgba(236, 72, 153, 0.25);
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: border-color 0.3s, transform 0.3s;
}

.contact-card:hover {
  border-color: rgba(168, 85, 247, 0.3);
  transform: translateX(4px);
}

.contact-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--gradient);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-card__text h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
}

.contact-card__text p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 0.15rem;
}

.contact__map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16/10;
  margin-top: 0.5rem;
}

.contact__map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(0.6) invert(0.92) contrast(0.85);
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer__brand {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.06em;
}

.footer__links {
  display: flex;
  gap: 1.5rem;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.25s;
}

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

.footer__social {
  display: flex;
  gap: 0.75rem;
}

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-size: 1.1rem;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}

.footer__social a:hover {
  background: var(--gradient);
  border-color: transparent;
  transform: translateY(-2px);
}

.footer__copy {
  width: 100%;
  text-align: center;
  padding-top: 2rem;
  margin-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── Impressum page ────────────────────────────────────────── */
.legal-page {
  padding: calc(var(--nav-h) + 3rem) 0 4rem;
  min-height: 100svh;
}

.legal-page h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 2rem;
}

.legal-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.legal-tabs button {
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: all 0.25s;
}

.legal-tabs button.active {
  background: var(--gradient);
  border-color: transparent;
  color: #fff;
}

.legal-content h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 2rem 0 0.75rem;
}

.legal-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
}

.legal-content p,
.legal-content li {
  color: var(--text-muted);
  font-size: 0.925rem;
  margin-bottom: 0.75rem;
}

.legal-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal-content a {
  color: var(--accent-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-panel { display: none; }
.legal-panel.active { display: block; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .intro__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .team__grid {
    grid-template-columns: 1fr;
    max-width: 360px;
  }
}

@media (max-width: 640px) {
  .nav__toggle { display: grid; place-items: center; }

  .nav__links {
    position: fixed;
    inset: var(--nav-h) 0 auto;
    flex-direction: column;
    padding: 1.5rem;
    gap: 0;
    background: rgba(7, 7, 13, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s var(--ease), opacity 0.4s;
  }

  .nav__links.open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav__links a {
    padding: 1rem 0;
    width: 100%;
    border-bottom: 1px solid var(--border);
  }

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

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}