/* ===== DESIGN TOKENS ===== */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;

  --color-bg: #0a0a0a;
  --color-surface: #111111;
  --color-surface-2: #1a1a1a;
  --color-border: #2a2a2a;
  --color-divider: #333333;
  --color-text: #f0f0f0;
  --color-text-muted: #999999;
  --color-text-faint: #666666;
  --color-accent: #ff6600;
  --color-accent-hover: #ff8533;
  --color-accent-dark: #cc5200;
  --color-footer-bg: #1c1c1c;
  --color-production: #2ecc71;
  --color-dev: #f1c40f;

  --radius-sm: 3px; --radius-md: 4px; --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  --content-wide: 1200px;
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'General Sans', 'Helvetica Neue', Arial, sans-serif;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

body { background: var(--color-bg); color: var(--color-text); overflow-x: hidden; }
.container { width: 100%; max-width: var(--content-wide); margin: 0 auto; padding-inline: var(--space-6); }

/* ===== HEADER ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(0,0,0,0.92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.header--scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.6); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 80px; }
.header__logo { display: flex; align-items: center; text-decoration: none; }
.header__logo img { height: 44px; width: auto; }

.nav { display: flex; align-items: center; gap: var(--space-1); }
.nav__link {
  color: rgba(255,255,255,0.75); text-decoration: none; font-family: var(--font-body);
  font-size: var(--text-sm); font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase;
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-sm); position: relative;
}
.nav__link:hover, .nav__link--active { color: #fff; background: rgba(255,255,255,0.06); }
.nav__link--active::after {
  content: ''; position: absolute; bottom: 2px; left: var(--space-4); right: var(--space-4);
  height: 2px; background: var(--color-accent); border-radius: 1px;
}

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: var(--space-2); cursor: pointer; z-index: 110; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 40%, #3a3a3a 60%, #2d2d2d 100%);
}
.hero__noise { position: absolute; inset: 0; background-image: url('./assets/noise.png'); background-repeat: repeat; opacity: 0.04; pointer-events: none; z-index: 1; }
.hero__gradient-overlay {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: radial-gradient(ellipse 80% 60% at 20% 50%, rgba(0,0,0,0.5) 0%, transparent 70%),
    radial-gradient(ellipse 50% 80% at 80% 60%, rgba(0,0,0,0.2) 0%, transparent 60%),
    linear-gradient(180deg, rgba(0,0,0,0.3) 0%, transparent 20%, transparent 80%, rgba(0,0,0,0.6) 100%);
}
.hero__content {
  position: relative; z-index: 5; width: 100%; max-width: var(--content-wide);
  margin: 0 auto; padding: var(--space-32) var(--space-6) var(--space-16);
  display: grid; grid-template-columns: 1fr 1.2fr; align-items: center; gap: var(--space-8);
}
.hero__text { display: flex; flex-direction: column; gap: var(--space-4); }
.hero__badge {
  display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-body);
  font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--color-accent); padding: var(--space-2) var(--space-4);
  background: rgba(255,102,0,0.1); border: 1px solid rgba(255,102,0,0.25);
  border-radius: var(--radius-md); width: fit-content;
}
.hero__badge-dot { width: 6px; height: 6px; background: var(--color-accent); border-radius: 50%; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.hero__title { font-family: var(--font-body); font-size: var(--text-3xl); font-weight: 700; color: #fff; letter-spacing: -0.02em; line-height: 1.05; }
.hero__title span { display: block; color: var(--color-accent); }
.hero__subtitle { font-family: var(--font-body); font-size: var(--text-base); font-weight: 400; color: var(--color-text-muted); letter-spacing: 0.06em; max-width: 460px; line-height: 1.6; }
.hero__cta-group { display: flex; gap: var(--space-4); margin-top: var(--space-4); }
.hero__image { position: relative; display: flex; align-items: center; justify-content: center; }
.hero__image img { width: 100%; max-width: 700px; height: auto; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.5)); animation: floatAircraft 6s ease-in-out infinite; }
@keyframes floatAircraft { 0%, 100% { transform: translateY(0px); } 50% { transform: translateY(-12px); } }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-body);
  font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  text-decoration: none; padding: var(--space-3) var(--space-6); border-radius: var(--radius-md);
  cursor: pointer; border: none; transition: all var(--transition-interactive);
}
.btn--primary { background: var(--color-accent); color: #fff; }
.btn--primary:hover { background: var(--color-accent-hover); box-shadow: 0 4px 20px rgba(255,102,0,0.35); transform: translateY(-1px); }
.btn--outline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.25); }
.btn--outline:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.06); }
.btn__arrow { transition: transform 0.2s ease; }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ===== WELCOME ===== */
.welcome { padding: clamp(var(--space-16), 8vw, var(--space-32)) 0; background: var(--color-bg); text-align: center; }
.welcome__heading {
  font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 400; font-style: italic;
  color: #fff; margin-bottom: var(--space-6); position: relative; display: inline-block;
}
.welcome__heading::before, .welcome__heading::after {
  content: ''; position: absolute; top: 50%; width: clamp(40px, 8vw, 120px); height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-divider));
}
.welcome__heading::before { right: calc(100% + var(--space-6)); }
.welcome__heading::after { left: calc(100% + var(--space-6)); background: linear-gradient(270deg, transparent, var(--color-divider)); }
.welcome__text { font-family: var(--font-body); font-size: var(--text-base); color: var(--color-text-muted); max-width: 680px; margin: 0 auto; line-height: 1.8; }

/* ===== FEATURES (Three Columns) ===== */
.features { padding: 0 0 clamp(var(--space-16), 8vw, var(--space-32)); background: var(--color-bg); }
.features__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8); }

.feature-card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: var(--space-10); transition: all 0.3s ease; position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--color-accent); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover { border-color: rgba(255,102,0,0.2); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-card__icon {
  width: 48px; height: 48px; border-radius: var(--radius-lg); background: rgba(255,102,0,0.1);
  display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-6);
}
.feature-card__icon svg { width: 24px; height: 24px; color: var(--color-accent); }
.feature-card__title { font-family: var(--font-body); font-size: var(--text-lg); font-weight: 700; color: #fff; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: var(--space-4); }
.feature-card__text { font-family: var(--font-body); font-size: var(--text-base); color: var(--color-text-muted); line-height: 1.7; margin-bottom: var(--space-6); }
.feature-card__link {
  display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-body);
  font-size: var(--text-sm); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--color-accent); text-decoration: none; transition: gap 0.2s ease;
}
.feature-card__link:hover { gap: var(--space-3); }

/* ===== SECTION HEADER ===== */
.section-header { text-align: center; margin-bottom: clamp(var(--space-12), 5vw, var(--space-20)); }
.section-header__title {
  font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 400; font-style: italic; color: #fff; margin-bottom: var(--space-4);
}
.section-header__subtitle { font-family: var(--font-body); font-size: var(--text-base); color: var(--color-text-muted); max-width: 560px; margin: 0 auto; }

/* ===== AIRCRAFT SECTION ===== */
.aircraft-section { padding: clamp(var(--space-16), 8vw, var(--space-32)) 0; background: var(--color-bg); }

/* Featured Aircraft (RA-3) */
.aircraft-featured {
  display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--space-10);
  align-items: center; margin-bottom: clamp(var(--space-16), 6vw, var(--space-24));
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px;
  overflow: hidden;
}
.aircraft-featured__image { position: relative; background: linear-gradient(135deg, #1a1a1a, #2a2a2a); padding: var(--space-8); }
.aircraft-featured__image img { width: 100%; height: auto; filter: drop-shadow(0 10px 30px rgba(0,0,0,0.4)); }
.aircraft-featured__status {
  position: absolute; top: var(--space-4); left: var(--space-4);
  font-family: var(--font-body); font-size: var(--text-xs); font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
}
.aircraft-featured__status--production { background: rgba(46,204,113,0.15); color: var(--color-production); border: 1px solid rgba(46,204,113,0.3); }
.aircraft-featured__info { padding: var(--space-8) var(--space-8) var(--space-8) 0; }
.aircraft-featured__label {
  font-family: var(--font-body); font-size: var(--text-xs); font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--color-accent); margin-bottom: var(--space-2);
}
.aircraft-featured__name { font-family: var(--font-body); font-size: var(--text-2xl); font-weight: 700; color: #fff; line-height: 1; margin-bottom: var(--space-2); }
.aircraft-featured__type { font-family: var(--font-body); font-size: var(--text-lg); font-weight: 400; color: var(--color-text-muted); margin-bottom: var(--space-6); }
.aircraft-featured__desc { font-family: var(--font-body); font-size: var(--text-base); color: var(--color-text-muted); line-height: 1.7; margin-bottom: var(--space-8); }
.aircraft-featured__specs { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }

.spec-item { display: flex; flex-direction: column; gap: var(--space-1); padding: var(--space-3) var(--space-4); background: rgba(255,255,255,0.03); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.spec-item__label { font-family: var(--font-body); font-size: var(--text-xs); font-weight: 500; color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.spec-item__value { font-family: var(--font-body); font-size: var(--text-sm); font-weight: 600; color: #fff; }

/* Aircraft Grid */
.aircraft-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }

.aircraft-card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px;
  overflow: hidden; transition: all 0.3s ease;
}
.aircraft-card:hover { border-color: rgba(255,102,0,0.15); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.aircraft-card__image-wrap { position: relative; background: linear-gradient(135deg, #151515, #222); padding: var(--space-6) var(--space-4); min-height: 180px; display: flex; align-items: center; justify-content: center; }
.aircraft-card__image-wrap img { max-height: 160px; width: auto; max-width: 100%; object-fit: contain; filter: drop-shadow(0 8px 20px rgba(0,0,0,0.4)); }
.aircraft-card__status {
  position: absolute; top: var(--space-3); right: var(--space-3);
  font-family: var(--font-body); font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; padding: 3px var(--space-2);
  border-radius: var(--radius-sm);
}
.aircraft-card__status--production { background: rgba(46,204,113,0.15); color: var(--color-production); border: 1px solid rgba(46,204,113,0.3); }
.aircraft-card__status--dev { background: rgba(241,196,15,0.15); color: var(--color-dev); border: 1px solid rgba(241,196,15,0.3); }
.aircraft-card__body { padding: var(--space-6); }
.aircraft-card__name { font-family: var(--font-body); font-size: var(--text-lg); font-weight: 700; color: #fff; margin-bottom: var(--space-1); }
.aircraft-card__type { font-family: var(--font-body); font-size: var(--text-sm); font-weight: 400; color: var(--color-accent); margin-bottom: var(--space-4); text-transform: uppercase; letter-spacing: 0.04em; }
.aircraft-card__desc { font-family: var(--font-body); font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.65; margin-bottom: var(--space-4); }
.aircraft-card__specs { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-4); }

.spec-pill {
  font-family: var(--font-body); font-size: 0.75rem; color: var(--color-text-muted);
  padding: var(--space-1) var(--space-3); background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border); border-radius: 100px; white-space: nowrap;
}
.spec-pill strong { color: #fff; font-weight: 600; }

.aircraft-card__toggle {
  display: inline-flex; align-items: center; gap: var(--space-2); font-family: var(--font-body);
  font-size: var(--text-xs); font-weight: 600; color: var(--color-accent); text-transform: uppercase;
  letter-spacing: 0.06em; padding: var(--space-2) 0; cursor: pointer;
  background: none; border: none; transition: color var(--transition-interactive);
}
.aircraft-card__toggle:hover { color: var(--color-accent-hover); }
.aircraft-card__toggle svg { transition: transform 0.2s ease; }
.aircraft-card__toggle.open svg { transform: rotate(180deg); }
.aircraft-card__details { padding-top: var(--space-4); border-top: 1px solid var(--color-border); margin-top: var(--space-4); }

/* Spec Table */
.spec-table { width: 100%; font-family: var(--font-body); font-size: 0.8rem; }
.spec-table th { text-align: left; font-weight: 600; color: var(--color-accent); padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--color-border); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; }
.spec-table td { padding: var(--space-2) var(--space-3); color: var(--color-text-muted); border-bottom: 1px solid rgba(255,255,255,0.04); vertical-align: top; }
.spec-table td:first-child { color: #ddd; font-weight: 500; white-space: nowrap; }
.spec-table tbody tr:hover td { background: rgba(255,255,255,0.02); }

/* Feature List */
.feature-list { list-style: none; padding: 0; }
.feature-list li {
  font-family: var(--font-body); font-size: 0.8rem; color: var(--color-text-muted);
  padding: var(--space-2) 0; border-bottom: 1px solid rgba(255,255,255,0.04);
  padding-left: var(--space-5); position: relative;
}
.feature-list li::before { content: '▸'; position: absolute; left: 0; color: var(--color-accent); font-size: 0.75rem; }

/* ===== IN-FLIGHT QUOTE SECTION ===== */
.inflight { position: relative; min-height: 400px; overflow: hidden; }
.inflight__image { position: absolute; inset: 0; }
.inflight__image img { width: 100%; height: 100%; object-fit: cover; }
.inflight__overlay {
  position: relative; z-index: 2; min-height: 400px;
  display: flex; align-items: center; justify-content: center; text-align: center;
  background: linear-gradient(135deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.5) 50%, rgba(0,0,0,0.75) 100%);
  padding: var(--space-16) var(--space-6);
}
.inflight__quote {
  font-family: var(--font-display); font-size: var(--text-xl); font-style: italic;
  color: #fff; max-width: 700px; line-height: 1.5; margin-bottom: var(--space-4);
}
.inflight__cite { font-family: var(--font-body); font-size: var(--text-sm); color: var(--color-accent); font-style: normal; display: block; }

/* ===== STATS ===== */
.stats { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); padding: var(--space-12) 0; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-8); text-align: center; }
.stat__value { font-family: var(--font-body); font-size: var(--text-2xl); font-weight: 700; color: var(--color-accent); line-height: 1; margin-bottom: var(--space-2); }
.stat__label { font-family: var(--font-body); font-size: var(--text-xs); font-weight: 500; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.1em; }

/* ===== FOOTER ===== */
.footer { background: var(--color-footer-bg); padding: clamp(var(--space-12), 6vw, var(--space-20)) 0 0; border-top: 1px solid var(--color-border); }
.footer__grid { display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: var(--space-8); padding-bottom: var(--space-12); }
.footer__grid--centered { grid-template-columns: 1fr; justify-items: center; text-align: center; gap: var(--space-6); }
.footer__tagline { font-family: var(--font-body); font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-3); letter-spacing: 0.04em; }
.footer__email { font-family: var(--font-body); font-size: var(--text-base); color: var(--color-text-muted); text-decoration: none; transition: color 0.2s; }
.footer__email:hover { color: var(--color-accent); }
.footer__brand { display: flex; flex-direction: column; align-items: center; justify-content: center; }
.footer__brand img { max-width: 220px; height: auto; opacity: 0.85; }
.footer__bottom { border-top: 1px solid var(--color-border); padding: var(--space-4) 0; display: flex; align-items: center; justify-content: space-between; }
.footer__copyright, .footer__attribution { font-family: var(--font-body); font-size: var(--text-xs); color: var(--color-text-faint); }
.footer__copyright a, .footer__attribution a { color: var(--color-text-faint); text-decoration: none; }
.footer__copyright a:hover, .footer__attribution a:hover { color: var(--color-accent); }

/* ===== SCROLL REVEAL ===== */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1); }
  .reveal.visible { opacity: 1; transform: translateY(0); }
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .aircraft-grid { grid-template-columns: 1fr; }
  .aircraft-featured { grid-template-columns: 1fr; }
  .aircraft-featured__info { padding: var(--space-8); }
}

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
    background: rgba(0,0,0,0.97); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    flex-direction: column; justify-content: center; gap: var(--space-2); padding: var(--space-8);
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1); border-left: 1px solid var(--color-border);
  }
  .nav.open { right: 0; }
  .nav__link { font-size: var(--text-base); padding: var(--space-3) var(--space-4); width: 100%; }

  .hero__content { grid-template-columns: 1fr; text-align: center; padding-top: calc(80px + var(--space-16)); }
  .hero__text { align-items: center; }
  .hero__subtitle { margin-inline: auto; }
  .hero__cta-group { justify-content: center; flex-wrap: wrap; }
  .hero__image { order: -1; }
  .hero__image img { max-width: 500px; }

  .features__grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__brand { align-items: flex-start; }
  .footer__bottom { flex-direction: column; gap: var(--space-2); text-align: center; }
}

@media (max-width: 480px) {
  .hero__title { font-size: clamp(2rem, 8vw, 3rem); }
  .hero__cta-group { flex-direction: column; width: 100%; }
  .btn { justify-content: center; width: 100%; }
  .welcome__heading::before, .welcome__heading::after { display: none; }
  .aircraft-featured__specs { grid-template-columns: 1fr; }
  .inflight__quote { font-size: var(--text-lg); }
}