/* SparkFlowWorks — shared styles for subpages (about, contact, privacy, terms, impressum)
   Tokens and components mirror the inline styles in index.html so subpages match exactly. */
:root {
  --navy: #060d1f;
  --navy-mid: #0a1628;
  --navy-light: #0e1e38;
  --navy-border: #162040;
  --blue: #2b7fff;
  --blue-bright: #4d9fff;
  --blue-glow: rgba(43,127,255,0.18);
  --orange: #ff6b2b;
  --orange-glow: rgba(255,107,43,0.18);
  --white: #f0f4ff;
  --muted: #7a8aaa;
  --card-bg: rgba(14,30,56,0.7);
  --glass: rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.08);
  --gradient-blue: linear-gradient(135deg, #1a5ccc 0%, #2b7fff 100%);
  --gradient-orange: linear-gradient(135deg, #cc4a1a 0%, #ff6b2b 100%);
  --transition: 0.4s cubic-bezier(0.25,0.46,0.45,0.94);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--navy);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4,h5 { font-family: 'Syne', sans-serif; }
a { color: inherit; }
.container { max-width: 1200px; margin: 0 auto; }

/* progress bar / back to top */
#progress-bar {
  position: fixed; top: 0; left: 0; z-index: 9998;
  height: 2px; width: 0;
  background: linear-gradient(90deg, var(--blue), var(--orange));
  transition: width 0.1s linear;
}
#back-top {
  position: fixed; bottom: 32px; right: 32px; z-index: 900;
  width: 48px; height: 48px;
  background: var(--blue);
  border: none; border-radius: 50%; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem;
  opacity: 0; transform: translateY(20px);
  transition: var(--transition);
  box-shadow: 0 0 24px var(--blue-glow);
}
#back-top.visible { opacity: 1; transform: translateY(0); }
#back-top:hover { background: var(--blue-bright); transform: translateY(-4px); }

/* skip link / focus */
.skip-link{ position:absolute; left:-999px; top:0; background:var(--blue); color:#fff; padding:10px 18px; z-index:1000; border-radius:0 0 8px 0; }
.skip-link:focus{ left:0; }
:focus-visible{ outline: 2px solid var(--blue-bright); outline-offset: 2px; }

/* nav */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 800;
  padding: 0 48px;
  height: 72px; display: flex; align-items: center; justify-content: space-between;
  transition: var(--transition);
  background: rgba(6,13,31,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--navy-border);
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-size: 1.35rem; font-weight: 800; letter-spacing: -0.5px;
  text-decoration: none;
  background: linear-gradient(135deg, var(--blue), var(--orange));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links { display: flex; align-items: center; gap: 36px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--muted); font-size: 0.9rem; font-weight: 500; letter-spacing: 0.02em; transition: color 0.3s; }
.nav-links a:hover, .nav-links a.active { color: var(--white); }
.nav-cta {
  padding: 10px 24px; background: var(--blue); color: #fff !important;
  border-radius: 8px; font-weight: 600 !important; font-size: 0.875rem !important;
  transition: var(--transition) !important; box-shadow: 0 0 20px var(--blue-glow);
}
.nav-cta:hover { background: var(--blue-bright) !important; color: #fff !important; transform: translateY(-2px); box-shadow: 0 4px 32px var(--blue-glow); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  display: none; position: fixed; top: 72px; left: 0; right: 0;
  background: rgba(6,13,31,0.97); backdrop-filter: blur(20px);
  padding: 24px; flex-direction: column; gap: 4px;
  border-bottom: 1px solid var(--navy-border); z-index: 799;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { text-decoration: none; color: var(--muted); font-size: 1.05rem; font-weight: 500; padding: 12px 16px; border-radius: 8px; transition: color 0.3s, background 0.3s; }
.mobile-menu a:hover { color: var(--white); background: var(--glass); }

/* buttons */
.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px; border-radius: 10px;
  background: var(--blue); color: #fff;
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.95rem;
  text-decoration: none; cursor: pointer; border: none;
  transition: var(--transition); box-shadow: 0 0 40px var(--blue-glow);
}
.btn-primary:hover { background: var(--blue-bright); transform: translateY(-3px); box-shadow: 0 8px 48px rgba(43,127,255,0.4); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 36px; border-radius: 10px;
  background: transparent; color: var(--white);
  font-family: 'Syne', sans-serif; font-weight: 700; font-size: 0.95rem;
  text-decoration: none; cursor: pointer; border: 1px solid var(--navy-border);
  transition: var(--transition);
}
.btn-secondary:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-3px); }

/* page header (sub-pages) */
#page-hero { padding: 168px 48px 80px; background: var(--navy); position: relative; overflow: hidden; }
#page-hero .hero-bg { position: absolute; inset: 0; z-index: 0; background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(43,127,255,0.14) 0%, transparent 70%), var(--navy); }
.breadcrumb { position: relative; z-index: 1; font-size: 0.82rem; color: var(--muted); margin-bottom: 20px; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--blue-bright); }
.page-title { position: relative; z-index: 1; font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 16px; }
.page-sub { position: relative; z-index: 1; color: var(--muted); font-size: 1.05rem; max-width: 640px; line-height: 1.7; }

/* generic sections */
section { padding: 96px 48px; }
.section-label { display: inline-flex; align-items: center; gap: 8px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue); margin-bottom: 20px; }
.section-label::before { content: ''; display: block; width: 20px; height: 1px; background: var(--blue); }
.section-title { font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 18px; }
.section-sub { font-size: 1rem; color: var(--muted); line-height: 1.7; max-width: 600px; }

/* reveal animation */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* glass cards */
.glass-card {
  background: var(--card-bg); border: 1px solid var(--navy-border);
  border-radius: 20px; padding: 40px; backdrop-filter: blur(12px);
}

/* about page specifics */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.values-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 8px; }
.value-item { background: var(--glass); border: 1px solid var(--glass-border); border-radius: 12px; padding: 20px; }
.value-item i { color: var(--orange); margin-bottom: 10px; display: block; font-size: 1.1rem; }
.value-item h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; }
.value-item p { font-size: 0.82rem; color: var(--muted); line-height: 1.6; }
.about-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.tag { padding: 6px 14px; border-radius: 6px; background: var(--glass); border: 1px solid var(--glass-border); font-size: 0.8rem; color: var(--muted); }
.timeline { display: flex; flex-direction: column; gap: 24px; margin-top: 32px; }
.timeline-item { display: flex; gap: 20px; }
.timeline-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--blue); margin-top: 6px; flex-shrink: 0; box-shadow: 0 0 14px var(--blue-glow); }
.timeline-item h4 { font-size: 0.95rem; font-weight: 700; margin-bottom: 4px; }
.timeline-item p { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }
.compliance-note {
  background: var(--glass); border: 1px solid var(--glass-border); border-radius: 12px;
  padding: 20px 24px; font-size: 0.85rem; color: var(--muted); line-height: 1.7; margin-top: 32px;
}

/* contact page */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 64px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; margin: 32px 0; }
.contact-detail { display: flex; align-items: center; gap: 16px; }
.contact-detail .icon {
  width: 44px; height: 44px; border-radius: 10px; background: var(--blue-glow); border: 1px solid rgba(43,127,255,0.2);
  display: flex; align-items: center; justify-content: center; color: var(--blue); font-size: 0.9rem; flex-shrink: 0;
}
.contact-detail .info .label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }
.contact-detail .info .val { font-size: 0.95rem; font-weight: 500; }
.contact-form { background: var(--card-bg); border: 1px solid var(--navy-border); border-radius: 20px; padding: 44px; backdrop-filter: blur(12px); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.form-group label { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.form-group input, .form-group textarea, .form-group select {
  background: var(--navy); border: 1px solid var(--navy-border); border-radius: 10px; padding: 14px 18px;
  color: var(--white); font-family: 'DM Sans', sans-serif; font-size: 0.95rem; outline: none;
  transition: border-color 0.3s, box-shadow 0.3s; width: 100%;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-glow); }
.form-group textarea { resize: vertical; min-height: 140px; }
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(122,138,170,0.5); }
.form-note { font-size: 0.78rem; color: var(--muted); margin-top: 12px; }
.form-success { display: none; text-align: center; padding: 32px; color: #64dc78; font-size: 1rem; font-weight: 600; }
.form-success i { font-size: 2.5rem; margin-bottom: 12px; display: block; }

/* legal page typography */
.legal-content { max-width: 760px; }
.legal-meta { font-size: 0.85rem; color: var(--muted); margin-bottom: 40px; padding-bottom: 24px; border-bottom: 1px solid var(--navy-border); }
.legal-content h2 { font-size: 1.4rem; font-weight: 700; margin-top: 44px; margin-bottom: 14px; }
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content h3 { font-size: 1.05rem; font-weight: 700; margin-top: 24px; margin-bottom: 10px; color: var(--blue-bright); }
.legal-content p { color: var(--muted); font-size: 0.95rem; line-height: 1.8; margin-bottom: 16px; }
.legal-content ul { color: var(--muted); font-size: 0.95rem; line-height: 1.8; margin: 0 0 16px 1.3rem; }
.legal-content li { margin-bottom: 8px; }
.legal-content strong { color: var(--white); }
.legal-content a { color: var(--blue-bright); text-decoration: underline; }
.legal-table { width: 100%; border-collapse: collapse; margin: 20px 0 28px; }
.legal-table th, .legal-table td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--navy-border); font-size: 0.88rem; }
.legal-table th { font-family: 'Syne', sans-serif; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.legal-table td { color: var(--muted); }
.legal-toc { background: var(--glass); border: 1px solid var(--glass-border); border-radius: 12px; padding: 24px 28px; margin-bottom: 40px; }
.legal-toc h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 14px; }
.legal-toc ol { margin: 0; padding-left: 1.2rem; display: flex; flex-direction: column; gap: 8px; }
.legal-toc a { color: var(--white); font-size: 0.88rem; text-decoration: none; }
.legal-toc a:hover { color: var(--blue-bright); }
.placeholder-flag { color: var(--orange); font-weight: 600; }

/* footer (mirrors index.html) */
footer { background: var(--navy); border-top: 1px solid var(--navy-border); padding: 80px 48px 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 64px; margin-bottom: 64px; }
.footer-brand .logo {
  font-family: 'Syne', sans-serif; font-size: 1.3rem; font-weight: 800;
  background: linear-gradient(135deg, var(--blue), var(--orange));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; margin-bottom: 16px; display: block;
}
.footer-brand p { font-size: 0.88rem; color: var(--muted); line-height: 1.7; max-width: 280px; margin-bottom: 24px; }
.footer-col h4 { font-family: 'Syne', sans-serif; font-size: 0.9rem; font-weight: 700; margin-bottom: 20px; color: var(--white); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { text-decoration: none; color: var(--muted); font-size: 0.88rem; transition: color 0.3s; }
.footer-col ul a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 32px; border-top: 1px solid var(--navy-border); flex-wrap: wrap; gap: 16px; }
.footer-bottom p { font-size: 0.82rem; color: var(--muted); }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { font-size: 0.82rem; color: var(--muted); text-decoration: none; transition: color 0.3s; }
.footer-links a:hover { color: var(--white); }

@media (max-width: 1024px) {
  section, #page-hero { padding-left: 32px; padding-right: 32px; }
  nav { padding: 0 32px; }
  footer { padding: 64px 32px 32px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  section, #page-hero { padding-top: 64px; padding-bottom: 64px; }
  #page-hero { padding-top: 140px; }
  nav { padding: 0 24px; }
  footer { padding: 56px 24px 28px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .values-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
}