/* ===========================
   Minglebox — DESIGN SYSTEM
   Style: technical / aeronautical / editorial
   Dark navy + cream + signal orange
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Spectral:ital,wght@0,300;0,400;0,500;0,700;1,300;1,400&family=Archivo:wght@400;500;600;700;900&display=swap');

:root {
  /* Palette */
  --ink: #0d1620;
  --ink-2: #142031;
  --ink-3: #1c2c43;
  --paper: #f4ecdc;
  --paper-2: #ebe1cd;
  --signal: #d65a31;
  --signal-soft: #e8a87c;
  --steel: #6b8baf;
  --line: rgba(244, 236, 220, 0.15);
  --line-strong: rgba(244, 236, 220, 0.35);

  /* Typography */
  --font-display: 'Archivo', sans-serif;
  --font-body: 'Spectral', serif;
  --font-mono: 'Space Mono', monospace;

  /* Spacing */
  --container: 1280px;
  --gutter: 2rem;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--signal); }

/* ============ TYPOGRAPHY ============ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 5.5rem); font-weight: 900; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.4rem, 2.2vw, 1.9rem); }
h4 { font-size: 1.2rem; }

.mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--steel);
}

.serif-italic { font-style: italic; font-weight: 300; color: var(--paper-2); }

/* ============ CONTAINER ============ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ============ TOP BAR ============ */
.topbar {
  background: var(--ink-2);
  border-bottom: 1px solid var(--line);
  padding: 0.6rem 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--steel);
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.topbar .live-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  margin-right: 0.5rem;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ============ HEADER / NAV ============ */
.site-header {
  background: var(--ink);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(13, 22, 32, 0.92);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.brand-mark {
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--signal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.brand-mark::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 1.5px;
  background: var(--signal);
  transform: rotate(45deg);
}

.brand-mark::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 1.5px;
  background: var(--signal);
  transform: rotate(-45deg);
}

.nav-links {
  display: flex;
  gap: 2.2rem;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nav-links a {
  color: var(--paper-2);
  position: relative;
  padding: 0.3rem 0;
}

.nav-links a:hover { color: var(--signal); }

.nav-links a.active {
  color: var(--signal);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--signal);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--paper);
  padding: 0.5rem 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--ink-2);
    padding: 1.5rem var(--gutter);
    border-bottom: 1px solid var(--line);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
}

/* ============ HERO ============ */
.hero {
  position: relative;
  padding: 6rem 0 7rem;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 4rem;
  align-items: end;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--steel);
}

.hero-eyebrow span { display: flex; align-items: center; gap: 0.4rem; }
.hero-eyebrow .num { color: var(--signal); }

.hero h1 {
  margin-bottom: 1.8rem;
}

.hero h1 .accent {
  color: var(--signal);
  font-style: italic;
  font-family: var(--font-body);
  font-weight: 400;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--paper-2);
  max-width: 540px;
  margin-bottom: 2.5rem;
}

.hero-meta {
  border-left: 2px solid var(--signal);
  padding-left: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  line-height: 1.9;
}

.hero-meta strong {
  display: block;
  color: var(--paper);
  font-size: 1.05rem;
  font-family: var(--font-body);
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  margin-top: 0.3rem;
  margin-bottom: 0.8rem;
}

.hero-blueprint {
  position: absolute;
  top: 0;
  right: -100px;
  width: 700px;
  height: 100%;
  opacity: 0.15;
  z-index: 1;
  pointer-events: none;
}

.hero-blueprint svg { width: 100%; height: 100%; }

.cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 1.6rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: 1px solid var(--paper);
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none;
}

.btn-primary {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}
.btn-primary:hover {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink);
}

.btn:hover {
  background: var(--paper);
  color: var(--ink);
}

.btn-arrow {
  transition: transform 0.25s;
}
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ============ SECTIONS ============ */
section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--line);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.section-header h2 { max-width: 700px; }

.section-header .mono { color: var(--signal); }

/* ============ AIRCRAFT GRID ============ */
.aircraft-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--line);
  border: 1px solid var(--line);
}

.aircraft-card {
  background: var(--ink);
  padding: 2rem;
  transition: background 0.3s;
  cursor: pointer;
  position: relative;
}

.aircraft-card:hover {
  background: var(--ink-2);
}

.aircraft-card .num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--signal);
  letter-spacing: 0.15em;
  margin-bottom: 1.2rem;
  display: block;
}

.aircraft-card h3 {
  margin-bottom: 0.8rem;
}

.aircraft-card .epoch {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.aircraft-card p {
  color: var(--paper-2);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.aircraft-card .specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--steel);
}

.aircraft-card .specs strong {
  display: block;
  color: var(--paper);
  font-size: 0.85rem;
  margin-top: 0.2rem;
}

.aircraft-illustration {
  height: 140px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.aircraft-illustration svg {
  width: 100%;
  height: 100%;
  stroke: var(--signal-soft);
  stroke-width: 1;
  fill: none;
}

@media (max-width: 900px) {
  .aircraft-grid { grid-template-columns: 1fr; }
}

/* ============ ARTICLE / BLOG ============ */
.articles-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 2rem;
}

.article-card {
  border: 1px solid var(--line);
  padding: 2rem;
  transition: border-color 0.3s, transform 0.3s;
  cursor: pointer;
}

.article-card:hover {
  border-color: var(--signal);
  transform: translateY(-4px);
}

.article-card.featured {
  background: var(--ink-2);
  grid-row: span 1;
}

.article-card .category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  display: inline-block;
  border-bottom: 1px solid var(--signal);
  padding-bottom: 0.2rem;
}

.article-card h3 {
  margin-bottom: 1rem;
}

.article-card .excerpt {
  color: var(--paper-2);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@media (max-width: 900px) {
  .articles-grid { grid-template-columns: 1fr; }
}

/* ============ TIMELINE ============ */
.timeline {
  position: relative;
  padding: 2rem 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 3rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.timeline-item:last-child { border-bottom: 1px solid var(--line); }

.timeline-year {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--signal);
  line-height: 1;
}

.timeline-content h3 { margin-bottom: 0.8rem; }

.timeline-content p { color: var(--paper-2); }

@media (max-width: 700px) {
  .timeline-item { grid-template-columns: 1fr; gap: 1rem; }
  .timeline-year { font-size: 2.2rem; }
}

/* ============ STATS BAND ============ */
.stats-band {
  background: var(--ink-2);
  padding: 4rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat {
  text-align: left;
  border-left: 2px solid var(--signal);
  padding-left: 1.5rem;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--paper);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

@media (max-width: 700px) {
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .stat-num { font-size: 2.2rem; }
}

/* ============ NEWSLETTER ============ */
.newsletter {
  background: var(--paper);
  color: var(--ink);
  padding: 5rem 0;
  text-align: center;
}

.newsletter h2 { margin-bottom: 1rem; color: var(--ink); }

.newsletter p {
  color: var(--ink-2);
  max-width: 500px;
  margin: 0 auto 2.5rem;
}

.newsletter-form {
  display: flex;
  max-width: 500px;
  margin: 0 auto;
  gap: 0.5rem;
}

.newsletter-form input {
  flex: 1;
  padding: 1rem 1.2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: 1.5px solid var(--ink);
  background: transparent;
  color: var(--ink);
  outline: none;
}

.newsletter-form input:focus { background: rgba(13, 22, 32, 0.05); }

.newsletter-form button {
  padding: 1rem 1.8rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: var(--ink);
  color: var(--paper);
  border: 1.5px solid var(--ink);
  cursor: pointer;
  transition: all 0.25s;
}

.newsletter-form button:hover {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}

.newsletter .small {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-2);
  margin-top: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

@media (max-width: 600px) {
  .newsletter-form { flex-direction: column; }
}

/* ============ FOOTER ============ */
footer {
  background: var(--ink-2);
  padding: 4rem 0 2rem;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

footer h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--signal);
  margin-bottom: 1.2rem;
}

footer ul { list-style: none; }
footer li { margin-bottom: 0.6rem; }
footer a { color: var(--paper-2); }
footer a:hover { color: var(--signal); }

.footer-brand p {
  color: var(--paper-2);
  margin-top: 1rem;
  max-width: 360px;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 500px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============ INTERIOR PAGES ============ */
.page-header {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--line);
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--steel);
  margin-bottom: 1.5rem;
}

.breadcrumb a { color: var(--steel); }
.breadcrumb a:hover { color: var(--signal); }

.page-header h1 {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  max-width: 900px;
  margin-bottom: 1.5rem;
}

.page-header p {
  font-size: 1.15rem;
  color: var(--paper-2);
  max-width: 700px;
}

/* Prose for legal pages */
.prose {
  max-width: 760px;
  font-size: 1.02rem;
  line-height: 1.8;
}

.prose h2 {
  font-size: 1.8rem;
  margin-top: 3rem;
  margin-bottom: 1rem;
  color: var(--paper);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}

.prose h3 {
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 0.8rem;
}

.prose p, .prose ul, .prose ol {
  margin-bottom: 1.2rem;
  color: var(--paper-2);
}

.prose ul, .prose ol { padding-left: 1.5rem; }
.prose li { margin-bottom: 0.5rem; }

.prose strong { color: var(--paper); font-weight: 600; }

.prose a {
  color: var(--signal);
  border-bottom: 1px solid var(--signal);
}

.prose .info-box {
  background: var(--ink-2);
  border-left: 3px solid var(--signal);
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--paper-2);
}

/* ============ FORM ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 2rem;
}

.contact-info h3 {
  margin-bottom: 1rem;
}

.contact-info .info-block {
  border-left: 2px solid var(--signal);
  padding-left: 1.2rem;
  margin-bottom: 2rem;
}

.contact-info .info-block .label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.4rem;
}

.contact-info .info-block .value {
  font-size: 1.05rem;
  color: var(--paper);
}

form.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}

.field input, .field textarea, .field select {
  width: 100%;
  padding: 0.9rem 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--ink-2);
  border: 1px solid var(--line-strong);
  color: var(--paper);
  outline: none;
  transition: border-color 0.2s;
}

.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--signal);
}

.field textarea { resize: vertical; min-height: 140px; }

.field-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  font-size: 0.9rem;
  color: var(--paper-2);
}

.field-checkbox input { width: auto; margin-top: 0.2rem; }

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ============ COOKIE BANNER ============ */
.cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  max-width: 520px;
  background: var(--paper);
  color: var(--ink);
  padding: 1.5rem;
  border: 1.5px solid var(--ink);
  z-index: 1000;
  display: none;
}

.cookie-banner.show { display: block; }

.cookie-banner h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--signal);
  margin-bottom: 0.8rem;
}

.cookie-banner p {
  font-size: 0.9rem;
  margin-bottom: 1.2rem;
  color: var(--ink-2);
}

.cookie-banner .actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.cookie-banner button {
  padding: 0.6rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  cursor: pointer;
  border: 1.5px solid var(--ink);
  background: transparent;
  color: var(--ink);
  transition: all 0.2s;
}

.cookie-banner .accept {
  background: var(--ink);
  color: var(--paper);
}

.cookie-banner .accept:hover {
  background: var(--signal);
  color: var(--ink);
  border-color: var(--signal);
}

.cookie-banner .decline:hover {
  background: var(--ink);
  color: var(--paper);
}

/* ============ INTERACTIVE TOOLS ============ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.tool-card {
  background: var(--ink-2);
  border: 1px solid var(--line);
  padding: 2rem;
}

.tool-card h3 { margin-bottom: 1rem; }

.tool-card .tool-icon {
  font-family: var(--font-mono);
  color: var(--signal);
  font-size: 0.85rem;
  margin-bottom: 1.2rem;
  display: block;
  border-bottom: 1px solid var(--signal);
  padding-bottom: 0.5rem;
  letter-spacing: 0.1em;
}

.tool-form { margin-top: 1.5rem; }

.tool-result {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--ink);
  border-left: 2px solid var(--signal);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  min-height: 60px;
  display: flex;
  align-items: center;
}

.tool-result .placeholder { color: var(--steel); }

.tool-result strong {
  color: var(--signal);
  display: block;
  margin-bottom: 0.3rem;
}

@media (max-width: 900px) {
  .tools-grid { grid-template-columns: 1fr; }
}

/* ============ ANIMATIONS ============ */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.7s forwards;
}

.fade-up:nth-child(1) { animation-delay: 0.1s; }
.fade-up:nth-child(2) { animation-delay: 0.25s; }
.fade-up:nth-child(3) { animation-delay: 0.4s; }
.fade-up:nth-child(4) { animation-delay: 0.55s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* ============ UTILITIES ============ */
.text-center { text-align: center; }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }