:root {
  --font-sans: "Geist", system-ui, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, monospace;
  --cream: #f4f0e8;
  --ink: #1a1714;
  --ink-soft: #3a342c;
  --ink-mute: #6d655a;
  --rule: rgba(26, 23, 20, 0.16);
  --on-dark: #f0ebe1;
  --on-dark-mute: rgba(240, 235, 225, 0.62);
  --on-dark-faint: rgba(240, 235, 225, 0.38);
  --on-dark-hair: rgba(240, 235, 225, 0.14);
}

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

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
a:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }

/* ─── NAV ─── */

.nav {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 2;
  padding: 36px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--on-dark);
}

.wordmark {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.wordmark--small { font-size: 13px; }

.wordmark-link {
  text-decoration: none;
  color: inherit;
}

.nav-links {
  display: flex;
  gap: 28px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links a {
  text-decoration: none;
  color: rgba(240, 235, 225, 0.7);
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--on-dark);
}

.nav-links a.active {
  border-bottom: 1px solid rgba(240, 235, 225, 0.4);
  padding-bottom: 2px;
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin: -8px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--on-dark);
  margin: 5px 0;
  transition: all 0.3s;
}

.nav-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

/* ─── PAGE HERO ─── */

.page-hero {
  position: relative;
  color: var(--on-dark);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.page-hero--tall {
  height: 59vh;
  min-height: 500px;
}

.page-hero--left {
  align-items: flex-start;
}

.page-hero--left .hero-center {
  text-align: left;
  max-width: 51%;
  padding-left: 100px;
}

.page-hero--left .hero-tagline {
  margin-left: 0;
  margin-right: 0;
}

.page-hero--left .hero-sub {
  margin-left: 0;
  margin-right: 0;
}

.page-hero--left .cta-buttons {
  justify-content: flex-start;
}

.page-hero--left .hero-bottom {
  text-align: left;
}

.page-hero--short {
  padding-top: 130px;
  padding-bottom: 72px;
}

.hero-horizon--inner {
  top: auto;
  bottom: 0;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: #111729;
}

.hero-bg-base {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #141a2e 0%, #111729 60%, #0e1220 100%);
}

.hero-photo {
  position: absolute;
  inset: 0;
  background: url('images/aircraft-hero.jpg') 47% 66% / cover no-repeat;
  transform: scaleX(-1);
  filter: saturate(0.42) brightness(0.38) contrast(1.04);
}

.hero-photo-overlay {
  position: absolute;
  inset: 0;
  background: rgba(17, 23, 41, 0.55);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image:
    linear-gradient(rgba(240, 235, 225, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240, 235, 225, 0.5) 1px, transparent 1px);
  background-size: 80px 80px;
  animation: gridDrift 34s ease-in-out infinite alternate;
}

@keyframes gridDrift {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  100% { transform: translate3d(-20px, -10px, 0) scale(1.02); }
}

.hero-horizon {
  position: absolute;
  left: 0; right: 0;
  top: 82%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(240, 235, 225, 0.12) 20%, rgba(240, 235, 225, 0.18) 50%, rgba(240, 235, 225, 0.12) 80%, transparent);
}

.hero-dim {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.22);
  pointer-events: none;
}

.hero-vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 110%, rgba(0, 0, 0, 0.55), transparent 55%),
    radial-gradient(ellipse at 50% -20%, rgba(0, 0, 0, 0.4), transparent 55%);
  pointer-events: none;
}

.hero-grain {
  position: absolute;
  inset: 0;
  opacity: 0.14;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.6 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  pointer-events: none;
}

/* Corner ticks */
.corner-ticks { position: absolute; inset: 0; pointer-events: none; z-index: 2; }
.tick { position: absolute; }
.tick-tl { top: 28px; left: 28px; }
.tick-tr { top: 28px; right: 28px; transform: scaleX(-1); }
.tick-bl { bottom: 28px; left: 28px; transform: scaleY(-1); }
.tick-br { bottom: 28px; right: 28px; transform: scale(-1, -1); }

/* Hero center content */
.hero-center {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 60px;
}

.hero-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(240, 235, 225, 0.5);
  margin-bottom: 32px;
}

.hero-tagline {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 52px;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--on-dark);
  margin: 0 auto;
  max-width: 700px;
  text-wrap: balance;
}

.hero-tagline--inner {
  font-size: 42px;
}

.hero-sub {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 18px;
  line-height: 1.5;
  color: var(--on-dark-mute);
  margin: 32px auto 0;
  max-width: 480px;
}

.hero-sub--inner {
  font-size: 16px;
  margin-top: 24px;
}

.hero-bottom {
  position: absolute;
  bottom: 36px;
  left: 60px; right: 60px;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-dark-faint);
}

/* ─── SECTION HEADERS ─── */

.section-header {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(26, 23, 20, 0.55);
  margin-bottom: 48px;
}

/* ─── SERVICES ─── */

.services {
  padding: 80px 60px;
  background: var(--cream);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
}

.service-item {
  background: #fff;
  padding: 32px 28px;
}

.service-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.service-name {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 12px;
}

.service-desc {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0;
}

/* ─── CATEGORY CARDS ─── */

.categories {
  padding: 80px 60px;
  background: var(--cream);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.category-card {
  background: #fff;
  border: 1px solid rgba(26, 23, 20, 0.08);
  padding: 32px 24px;
  border-radius: 2px;
  transition: border-color 0.2s;
}

.category-card:hover {
  border-color: rgba(26, 23, 20, 0.08);
}

.category-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.category-name {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 10px;
}

.category-desc {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
}

/* ─── VERTICAL LIST ─── */

.vlist {
  padding: 40px 60px 80px;
  background: var(--cream);
}

.vlist-inner {
  border-top: 1px solid var(--rule);
  padding-top: 48px;
  max-width: 680px;
  margin: 0 auto;
}

.vlist-items {
  display: flex;
  flex-direction: column;
}

.vlist-item {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
  transition: padding-left 0.2s;
}

.vlist-item:hover {
  padding-left: 8px;
}

.vlist-item:first-child {
  padding-top: 0;
}

.vlist-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.08em;
  min-width: 28px;
}

.vlist-name {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 6px;
}

.vlist-desc {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
}

/* ─── MISSION / TEXT BLOCK ─── */

.text-section {
  padding: 80px 60px;
  background: var(--cream);
}

.text-section-body {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 600px;
  margin: 0;
}

/* ─── MISSION GRID ─── */

.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.mission-text {
  padding: 80px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.mission-photo {
  position: relative;
  overflow: hidden;
  min-height: 400px;
}

.mission-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  display: block;
  filter: saturate(0.5) contrast(1.05);
}

.mission-photo-grain {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  mix-blend-mode: overlay;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.6 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

.mission-photo-caption {
  position: absolute;
  bottom: 16px;
  left: 20px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* ─── CTA BANNER ─── */

.cta-banner {
  background: var(--ink);
  padding: 72px 60px;
  text-align: center;
  color: var(--on-dark);
}

.cta-title {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 28px;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}

.cta-sub {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  color: var(--on-dark-mute);
  margin: 0 0 32px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.btn {
  display: inline-block;
  padding: 12px 32px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-decoration: none;
  border-radius: 2px;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--on-dark);
  color: var(--ink);
}

.btn--primary:hover {
  background: #fff;
}

.btn--outline {
  border: 1px solid rgba(240, 235, 225, 0.3) !important;
  color: var(--on-dark);
  background: transparent;
}

.btn--outline:hover {
  border-color: rgba(240, 235, 225, 0.6) !important;
}

.btn--dark {
  background: var(--ink);
  color: var(--on-dark);
}

.btn--dark:hover {
  background: #2a2520;
}

.btn--outline-dark {
  border: 1px solid rgba(26, 23, 20, 0.25) !important;
  color: var(--ink);
  background: transparent;
}

.btn--outline-dark:hover {
  border-color: rgba(26, 23, 20, 0.5) !important;
}

/* ─── CTA ON CREAM ─── */

.cta-cream {
  padding: 0 60px 80px;
  background: var(--cream);
}

.cta-cream-inner {
  border-top: 1px solid var(--rule);
  padding-top: 56px;
  text-align: center;
}

.cta-cream-title {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 28px;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 0 0 12px;
}

.cta-cream-sub {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 16px;
  color: var(--ink-mute);
  margin: 0 0 32px;
}

/* ─── CONTACT LAYOUT ─── */

.contact-grid {
  padding: 80px 60px;
  background: var(--cream);
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 80px;
  align-items: start;
}

.contact-label {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: 8px;
}

.contact-email {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 22px;
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(26, 23, 20, 0.3);
  padding-bottom: 2px;
  transition: border-color 0.2s;
}

.contact-email:hover {
  border-color: var(--ink);
}

.contact-detail {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-mute);
  margin: 0;
}

.contact-block {
  margin-bottom: 32px;
}

/* ─── FORM ─── */

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-mute);
  margin-bottom: 8px;
}

.form-input,
.form-textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 15px;
  color: var(--ink);
  background: #fff;
  border: 1px solid rgba(26, 23, 20, 0.12);
  border-radius: 2px;
  padding: 12px 16px;
  transition: border-color 0.2s;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: rgba(26, 23, 20, 0.35);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: rgba(26, 23, 20, 0.3);
}

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

.form-input:invalid:not(:placeholder-shown),
.form-textarea:invalid:not(:placeholder-shown) {
  border-color: rgba(180, 60, 50, 0.4);
}

.form-input:valid:not(:placeholder-shown),
.form-textarea:valid:not(:placeholder-shown) {
  border-color: rgba(26, 23, 20, 0.25);
}

/* ─── FOOTER ─── */

.footer {
  padding: 56px 60px;
  background: var(--ink);
  color: var(--on-dark);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-email {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 22px;
  letter-spacing: -0.03em;
  color: var(--on-dark);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 235, 225, 0.4);
  padding-bottom: 2px;
  transition: border-color 0.2s;
}

.footer-email:hover { border-color: var(--on-dark); }

.footer-micro {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(240, 235, 225, 0.5);
}

.footer-nav {
  display: flex;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-nav a {
  text-decoration: none;
  color: rgba(240, 235, 225, 0.5);
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: var(--on-dark);
}

/* ─── RESPONSIVE ─── */

@media (max-width: 900px) {
  .nav { padding: 28px 32px; }
  .hero-center { padding: 0 32px; }
  .hero-tagline { font-size: 36px; }
  .hero-tagline--inner { font-size: 30px; }
  .hero-sub { font-size: 16px; }
  .hero-bottom { left: 32px; right: 32px; }
  .page-hero--short { padding-top: 110px; padding-bottom: 52px; }
  .services { padding: 64px 32px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .categories { padding: 64px 32px; }
  .categories-grid { grid-template-columns: 1fr 1fr; }
  .mission-grid { grid-template-columns: 1fr; }
  .mission-text { padding: 64px 32px; }
  .mission-photo { min-height: 300px; }
  .vlist { padding: 0 32px 64px; }
  .text-section { padding: 64px 32px; }
  .cta-banner { padding: 56px 32px; }
  .cta-cream { padding: 0 32px 64px; }
  .contact-grid { padding: 64px 32px; gap: 48px; }
  .footer { padding: 48px 32px; flex-direction: column; gap: 24px; align-items: flex-start; }
  .tick-tl { top: 16px; left: 16px; }
  .tick-tr { top: 16px; right: 16px; }
  .tick-bl { bottom: 16px; left: 16px; }
  .tick-br { bottom: 16px; right: 16px; }
}

@media (max-width: 560px) {
  .nav { padding: 24px 20px; z-index: 50; }
  .nav-toggle { display: block; }
  .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    background: #121010;
    padding: 0 20px;
    gap: 0;
    z-index: 50;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.2s ease, padding 0.3s ease;
  }
  .nav-links.open {
    max-height: 400px;
    opacity: 1;
    padding: 24px 20px;
  }
  .nav-links a {
    padding: 14px 0;
    font-size: 12px;
    border-bottom: 1px solid rgba(240, 235, 225, 0.08);
  }
  .nav-links a:last-child { border-bottom: none; }
  .nav-links a.active { border-bottom: 1px solid rgba(240, 235, 225, 0.08); padding-bottom: 14px; }
  .wordmark { font-size: 14px; }
  .corner-ticks { display: none; }
  .hero-center { padding: 0 20px; }
  .page-hero--left { align-items: center; }
  .page-hero--left .hero-center { text-align: center; max-width: 100%; padding-left: 20px; padding-right: 20px; }
  .page-hero--left .cta-buttons { justify-content: center; }
  .hero-tagline { font-size: 28px; }
  .hero-tagline--inner { font-size: 24px; }
  .hero-bottom { left: 20px; right: 20px; }
  .page-hero--short { padding-top: 96px; padding-bottom: 44px; }
  .services { padding: 48px 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .categories { padding: 48px 20px; }
  .categories-grid { grid-template-columns: 1fr; }
  .vlist { padding: 0 20px 48px; }
  .text-section { padding: 48px 20px; }
  .cta-banner { padding: 48px 20px; }
  .cta-cream { padding: 0 20px 48px; }
  .cta-title { font-size: 22px; }
  .cta-cream-title { font-size: 22px; }
  .contact-grid { padding: 48px 20px; grid-template-columns: 1fr; gap: 40px; }
  .footer { padding: 40px 20px; }
  .footer-email { font-size: 18px; }
  .footer-nav { flex-wrap: wrap; gap: 16px; }
  .cta-buttons { flex-direction: column; align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-grid { animation: none; }
}