/* ── View Transitions API (cross-document) ── */
@view-transition {
  navigation: auto;
}

@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root) {
    animation: 180ms ease both vt-out;
  }
  ::view-transition-new(root) {
    animation: 360ms cubic-bezier(0.2, 0.7, 0.2, 1) both vt-in;
  }
}

@keyframes vt-out { to   { opacity: 0; } }
@keyframes vt-in  { from { opacity: 0; transform: translateY(8px); } }

:root {
  --color-bg:           #0b0b0b;
  --color-text:         #ffffff;
  --color-muted:        #a1a1aa;
  --color-accent:       #3b82f6;
  --color-accent-hover: #60a5fa;
  --color-green:        #4ade80;
  --ease-out:           cubic-bezier(0.2, 0.7, 0.2, 1);
}


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

body {
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  margin: 0;
  overflow: hidden;
}

#network {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.45;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 40%, rgba(59,130,246,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ── Terminal overlay ── */
#terminal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: opacity 400ms ease;
}

#terminal.hidden { opacity: 0; pointer-events: none; }

#term-inner {
  font-family: 'Courier New', Courier, monospace;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-green);
  width: 390px;
  text-align: left;
}

.term-line { min-height: 1.8em; white-space: pre; }

#term-cursor {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--color-green);
  vertical-align: middle;
  margin-left: 1px;
  animation: blink 0.65s step-end infinite;
}

@keyframes blink { 50% { opacity: 0; } }

/* ── Signal flash (logo klik) ── */
#term-flash {
  position: fixed;
  bottom: 28px;
  left: 32px;
  font-family: 'Courier New', Courier, monospace;
  font-size: 13px;
  color: var(--color-green);
  z-index: 5;
  opacity: 0;
  transition: opacity 500ms ease;
  pointer-events: none;
  white-space: pre;
}

/* ── METAR statusbalk ── */
#metar {
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  font-family: 'Courier New', Courier, monospace;
  font-size: 11px;
  color: rgba(100,140,200,0.38);
  z-index: 5;
  pointer-events: none;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

/* ── Vliegtuig tooltip ── */
#plane-tooltip {
  position: fixed;
  background: rgba(6,14,30,0.93);
  border: 1px solid rgba(59,130,246,0.35);
  color: var(--color-accent-hover);
  font-family: 'Courier New', Courier, monospace;
  font-size: 11px;
  line-height: 1.7;
  padding: 6px 10px;
  border-radius: 4px;
  pointer-events: none;
  z-index: 20;
  opacity: 0;
  transition: opacity 180ms ease;
  white-space: nowrap;
}

/* ── Squawk 7700 emergency border ── */
#emergency {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  border: 3px solid transparent;
}
#emergency.active { animation: emergencyFlash 0.7s ease-in-out infinite; }

@keyframes emergencyFlash {
  0%, 100% { border-color: rgba(255,50,50,0);   box-shadow: inset 0 0   0px rgba(255,50,50,0); }
  50%       { border-color: rgba(255,50,50,0.7); box-shadow: inset 0 0 80px rgba(255,50,50,0.12); }
}

/* ── Main content ── */
.box {
  position: relative;
  z-index: 2;
  text-align: center;
  width: min(900px, 92vw);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 400ms var(--ease-out), transform 400ms var(--ease-out);
}

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

.logo {
  display: block;
  margin: 0 auto 20px;
  width: min(520px, 80vw);
  height: auto;
  cursor: pointer;
  transition: transform 300ms var(--ease-out), opacity 300ms ease;
}

.logo:hover { transform: translateY(-4px); opacity: 0.9; }

.logo.pulse { animation: logopulse 250ms var(--ease-out); }

@keyframes logopulse {
  0%   { transform: scale(1); }
  40%  { transform: scale(0.95); }
  100% { transform: scale(1); }
}

.tagline {
  color: var(--color-muted);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.5px;
  line-height: 1.6;
  min-height: 1.6em;
}

.tagline .tcursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--color-muted);
  vertical-align: middle;
  margin-left: 1px;
  animation: blink 0.65s step-end infinite;
}

.tagline a {
  display: inline-block;
  position: relative;
  color: var(--color-accent);
  text-decoration: none;
  padding-bottom: 2px;
  touch-action: manipulation;
  transition: color 200ms ease;
}

.tagline a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--color-accent-hover);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 250ms ease-out;
}

.tagline a:hover             { color: var(--color-accent-hover); }
.tagline a:hover::after      { transform: scaleX(1); }
.tagline a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
  #terminal  { display: none; }
  #network   { display: none; }
  .box       { opacity: 1; transform: none; transition: none; }
  .logo      { transition: none; }
}

@media (hover: none), (pointer: coarse) {
  body { align-items: flex-start; }
  .box { margin-top: 26vh; }
  .logo { width: min(420px, 86vw); transition: none; }
  .logo:hover { transform: none; opacity: 1; }
  .tagline { font-size: 15px; }
  .tagline a::after { display: none; }
  .tagline a { color: var(--color-accent-hover); }
  #term-flash { left: 16px; bottom: 20px; }
  #metar { display: none; }
  #plane-tooltip { display: none; }
  .contact-btn { letter-spacing: 0.08em; }
}

/* ═══════════════════════════════════════════════════════════
   Contact button (homepage)
═══════════════════════════════════════════════════════════ */

.contact-btn {
  display: inline-block;
  margin-top: 32px;
  padding: 9px 22px;
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-muted);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  cursor: pointer;
  opacity: 0;
  transition: color 220ms ease, border-color 220ms ease, background 220ms ease;
}

.contact-btn.visible {
  transition: opacity 500ms ease, color 220ms ease, border-color 220ms ease, background 220ms ease;
  opacity: 1;
}

.contact-btn:hover {
  color: var(--color-accent-hover);
  border-color: rgba(59, 130, 246, 0.35);
  background: rgba(59, 130, 246, 0.06);
}

.contact-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .contact-btn { opacity: 1; transition: none; }
}

/* ═══════════════════════════════════════════════════════════
   Contact pagina layout
═══════════════════════════════════════════════════════════ */

body.contact-page {
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 40px 16px 60px;
}

.contact-wrap {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

@supports not (view-transition-name: none) {
  .contact-wrap {
    animation: contactEnter 380ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
  }
  @keyframes contactEnter {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: none; }
  }
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-bottom: 32px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  text-decoration: none;
  transition: color 200ms ease;
}

.back-link:hover  { color: var(--color-accent-hover); }
.back-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 2px;
}

/* ── Glassmorphism card ── */
.contact-card {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 40px 36px 36px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.contact-title {
  font-family: 'Archivo', system-ui, sans-serif;
  font-size: 28px;
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text);
  margin: 0 0 6px;
}

.contact-sub {
  font-size: 14px;
  color: var(--color-muted);
  margin: 0 0 28px;
  line-height: 1.5;
}

/* ── Honeypot (onzichtbaar voor mensen) ── */
.hp-trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* ── Formuliervelden ── */
.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.field-group label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  user-select: none;
}

.required {
  color: var(--color-accent);
  margin-left: 2px;
}

.field-group input,
.field-group textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 4px;
  color: var(--color-text);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  padding: 11px 14px;
  outline: none;
  transition: border-color 200ms ease, background 200ms ease, box-shadow 200ms ease;
  -webkit-appearance: none;
  appearance: none;
}

.field-group input::placeholder,
.field-group textarea::placeholder {
  color: rgba(161, 161, 170, 0.40);
}

.field-group input:focus,
.field-group textarea:focus {
  border-color: rgba(59, 130, 246, 0.55);
  background: rgba(59, 130, 246, 0.04);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.field-group input.input-error,
.field-group textarea.input-error {
  border-color: rgba(220, 38, 38, 0.60);
}

.field-group textarea {
  resize: vertical;
  min-height: 110px;
}

.field-error {
  font-size: 12px;
  color: #f87171;
  min-height: 1em;
  line-height: 1.4;
}

.char-count {
  font-size: 11px;
  color: rgba(161, 161, 170, 0.50);
  text-align: right;
  margin-top: 2px;
}

.char-count.near-limit { color: #fbbf24; }

/* ── Verzend-knop ── */
.submit-btn {
  margin-top: 8px;
  width: 100%;
  padding: 12px 24px;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ffffff;
  background: var(--color-accent);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 200ms ease, opacity 200ms ease, transform 150ms ease;
  min-height: 44px;
}

.submit-btn:hover:not(:disabled) {
  background: var(--color-accent-hover);
}

.submit-btn:active:not(:disabled) {
  transform: scale(0.98);
}

.submit-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.submit-btn:focus-visible {
  outline: 2px solid var(--color-accent-hover);
  outline-offset: 3px;
}

/* Spinner animatie */
.btn-spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.30);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-spinner.active {
  display: inline-block;
}

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

/* ── Status bericht ── */
.form-status {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.5;
  min-height: 1em;
  border-radius: 4px;
  padding: 0;
  transition: all 250ms ease;
}

.form-status.success {
  color: #4ade80;
  padding: 10px 14px;
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.20);
}

.form-status.error {
  color: #f87171;
  padding: 10px 14px;
  background: rgba(248, 113, 113, 0.08);
  border: 1px solid rgba(248, 113, 113, 0.20);
}

/* ── noscript fallback ── */
.noscript-msg {
  margin-top: 16px;
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.6;
}

.noscript-msg a {
  color: var(--color-accent);
}

/* ── Responsive ── */
@media (max-width: 520px) {
  .contact-card { padding: 28px 20px 24px; }
  .contact-title { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .contact-wrap  { animation: none; opacity: 1; }
  .contact-card,
  .field-group input,
  .field-group textarea,
  .submit-btn,
  .form-status { transition: none; }
  .btn-spinner { animation: none; }
}