/* ==========================================================================
   mk-flightsystems — Custom styles on top of Bootstrap 5.3
   ========================================================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Anton&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --c-bg:           #f7f1e8;
  --c-surface:      #ffffff;
  --c-line:         #e2d9c8;
  --c-text:         #1b1d4a;
  --c-text-dim:     #5b5d7a;
  --c-orange:       #e8531f;
  --c-orange-dim:   #c2410f;
  --c-orange-glow:  rgba(232,83,31,0.3);
  --c-navy:         #1b1d4a;
  --c-teal:         #4a9aa3;

  /* Bootstrap overrides */
  --bs-body-bg:         var(--c-bg);
  --bs-body-color:      var(--c-text);
  --bs-body-font-family: 'Inter', system-ui, sans-serif;
  --bs-primary:         var(--c-orange);
  --bs-primary-rgb:     232,83,31;
  --bs-link-color:      var(--c-orange);
  --bs-border-color:    var(--c-line);

  --f-display: 'Anton', 'Archivo Black', sans-serif;
  --f-body:    'Inter', system-ui, sans-serif;
  --f-mono:    'JetBrains Mono', monospace;
}

/* ---- Base ---- */
body { background: var(--c-bg); color: var(--c-text); }

h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.05;
}
h1 { font-size: clamp(2.4rem, 6vw, 5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }

p { color: var(--c-text-dim); }

.eyebrow {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-orange);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: "";
  width: 24px; height: 1px;
  background: var(--c-orange);
  display: inline-block;
}

/* ---- Navbar ---- */
.navbar {
  background: rgba(27,29,74,0.92) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.navbar-brand img { height: 40px; width: auto; }
.nav-link {
  color: rgba(247,241,232,0.75) !important;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  padding: 0.4rem 0 !important;
  position: relative;
}
.nav-link:hover, .nav-link.active { color: #f7f1e8 !important; }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--c-orange);
}
.navbar-toggler { border-color: rgba(247,241,232,0.3); }
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28247%2C241%2C232%2C0.8%29' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.btn-nav-cta {
  border: 1px solid var(--c-orange);
  color: #f7f1e8 !important;
  padding: 0.45rem 1.2rem !important;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background 0.2s, color 0.2s;
}
.btn-nav-cta:hover { background: var(--c-orange); color: #fff !important; }

/* ---- Buttons ---- */
.btn-primary {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.85rem 1.8rem;
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--c-orange-dim);
  border-color: var(--c-orange-dim);
  box-shadow: 0 8px 24px var(--c-orange-glow);
}
.btn-outline-light {
  border-color: var(--c-line);
  color: var(--c-text);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.85rem 1.8rem;
}
.btn-outline-light:hover { border-color: var(--c-orange); color: var(--c-orange); background: transparent; }

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  padding-top: 76px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--c-line);
}
.hero-kite-img {
  width: 100%;
  max-width: 720px;
  filter: drop-shadow(0 16px 40px rgba(27,29,74,0.25));
}
.hero-seal {
  width: 80px; height: 80px;
  border-radius: 50%;
  margin-bottom: 1.2rem;
  box-shadow: 0 6px 20px rgba(27,29,74,0.18);
}

/* Airflow lines */
.airflow-line {
  position: absolute; top:0; left:0;
  width:100%; height:100%;
  pointer-events:none; z-index:0;
}
.airflow-path {
  fill:none; stroke:var(--c-orange);
  stroke-width:1.4; opacity:0.4;
  stroke-dasharray:8 10;
  animation: flow 14s linear infinite;
}
@keyframes flow { to { stroke-dashoffset:-400; } }

/* ---- Stat row ---- */
.stat .num {
  font-family: var(--f-mono);
  font-size: 1.8rem;
  color: var(--c-orange);
}
.stat .label {
  font-size: 0.78rem;
  color: var(--c-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---- Cards ---- */
.mk-card {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  transition: border-color 0.2s, transform 0.2s;
}
.mk-card:hover { border-color: var(--c-orange-dim); transform: translateY(-3px); }
.mk-card-img {
  aspect-ratio: 16/10;
  overflow: hidden;
}
.mk-card-img img { width:100%; height:100%; object-fit:cover; }

/* ---- Section helpers ---- */
.section-navy { background: var(--c-navy); color: #f7f1e8; }
.section-navy p { color: rgba(247,241,232,0.75); }
.section-surface { background: var(--c-surface); }
.section-divider { border-top: 1px solid var(--c-line); }

.tag {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--c-line);
  padding: 0.28rem 0.65rem;
  color: var(--c-text-dim);
  display: inline-block;
}

/* ---- Page hero (subpages) ---- */
.page-hero {
  padding: calc(76px + 4rem) 0 3.5rem;
  border-bottom: 1px solid var(--c-line);
}

/* ---- Team ---- */
.team-photo {
  aspect-ratio: 1/1;
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: #f0ece4;
}
.team-photo img { width:100%; height:100%; object-fit:cover; }
.team-role {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-orange);
}

/* ---- FAQ ---- */
.faq-item { border-bottom: 1px solid var(--c-line); }
.faq-q {
  width:100%; background:none; border:none;
  text-align:left; padding: 1.2rem 0;
  font-family: var(--f-body); font-size:1rem; font-weight:600;
  color: var(--c-text); cursor:pointer;
  display:flex; justify-content:space-between; align-items:center;
  gap: 1rem;
}
.faq-q .icon {
  font-size:1.4rem; color:var(--c-orange);
  transition:transform 0.2s; flex-shrink:0;
}
.faq-item.open .faq-q .icon { transform:rotate(45deg); }
.faq-answer {
  display:none; padding-bottom:1.2rem;
  color: var(--c-text-dim); line-height:1.7;
}
.faq-item.open .faq-answer { display:block; }

/* ---- Contact form ---- */
.mk-form .form-control, .mk-form .form-select {
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: 2px;
  color: var(--c-text);
  padding: 0.8rem 1rem;
}
.mk-form .form-control:focus {
  border-color: var(--c-orange);
  box-shadow: 0 0 0 3px var(--c-orange-glow);
}
.mk-form label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--c-text-dim);
  margin-bottom: 0.4rem;
}
.form-status { margin-top: 1rem; font-size: 0.9rem; font-weight:500; }
.form-status.success { color: #2d8a4e; }
.form-status.error   { color: var(--c-orange); }

/* ---- Specs table ---- */
.specs-table { width:100%; border-collapse:collapse; font-size:0.95rem; }
.specs-table th {
  font-family: var(--f-mono); font-size:0.75rem;
  letter-spacing:0.1em; text-transform:uppercase;
  color:var(--c-orange); text-align:left;
  padding:0.8rem 1rem; border-bottom:2px solid var(--c-orange);
}
.specs-table td {
  padding:0.8rem 1rem;
  border-bottom:1px solid var(--c-line);
  color:var(--c-text-dim);
}
.specs-table td:first-child { color:var(--c-text); font-weight:500; }

/* ---- Footer ---- */
.site-footer {
  background: var(--c-navy);
  color: #f7f1e8;
  border-top: 1px solid var(--c-line);
}
.footer-heading {
  font-family: var(--f-body);
  font-size:0.78rem; letter-spacing:0.1em;
  text-transform:uppercase;
  color:rgba(247,241,232,0.5);
  margin-bottom:0.8rem;
}
.footer-link {
  display:block; font-size:0.9rem;
  color:rgba(247,241,232,0.8);
  margin-bottom:0.5rem; text-decoration:none;
}
.footer-link:hover { color:var(--c-orange); }
.footer-bottom {
  border-top:1px solid rgba(247,241,232,0.12);
  padding-top:1.2rem; margin-top:2rem;
  font-family:var(--f-mono); font-size:0.78rem;
  color:rgba(247,241,232,0.4);
}

/* ---- Reveal on scroll ---- */
.reveal { opacity:0; transform:translateY(20px); transition:opacity 0.65s ease, transform 0.65s ease; }
.reveal.in-view { opacity:1; transform:translateY(0); }

/* ---- Placeholder ---- */
.placeholder-section {
  border:2px dashed var(--c-line); padding:3rem;
  text-align:center; border-radius:2px;
}
.placeholder-section h3 { color:var(--c-text-dim); }

/* ---- Hero Kite als klickbarer Button ---- */
.hero-kite-link {
  display: block;
  position: relative;
  text-decoration: none;
  cursor: pointer;
}
.hero-kite-link .hero-kite-img {
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
              filter 0.45s ease;
}
.hero-kite-link:hover .hero-kite-img {
  transform: translateY(-18px) scale(1.04);
  filter: drop-shadow(0 28px 40px rgba(232,83,31,0.45));
}
/* Glow-Schatten unterm Schirm */
.hero-kite-link::after {
  content: "";
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%) scaleX(0.6);
  width: 80%;
  height: 24px;
  background: radial-gradient(ellipse, rgba(10,10,20,0.55) 0%, transparent 70%);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.45s ease, transform 0.45s ease;
  pointer-events: none;
}
.hero-kite-link:hover::after {
  opacity: 1;
  transform: translateX(-50%) scaleX(1);
}
/* Kleiner Hinweis-Text der beim Hover erscheint */
.hero-kite-hint {
  position: absolute;
  bottom: -2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-orange);
  opacity: 0;
  transition: opacity 0.3s ease;
  white-space: nowrap;
  pointer-events: none;
}
.hero-kite-link:hover .hero-kite-hint {
  opacity: 1;
}