/* ============================================================
   THE JET EXPERT — Stylesheet
   Dark luxury aesthetic: deep navy/charcoal, gold accent
   ============================================================ */

:root {
  --bg:         #0a0b0f;
  --bg-2:       #0f1018;
  --bg-3:       #14151e;
  --surface:    #1a1b26;
  --surface-2:  #22233a;
  --border:     rgba(255,255,255,0.07);
  --border-2:   rgba(255,255,255,0.12);
  --gold:       #c9a84c;
  --gold-light: #e2c67a;
  --gold-dim:   rgba(201,168,76,0.15);
  --white:      #f4f3ef;
  --white-70:   rgba(244,243,239,0.7);
  --white-40:   rgba(244,243,239,0.4);
  --white-15:   rgba(244,243,239,0.15);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Montserrat', sans-serif;
  --radius:     4px;
  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
address { font-style: normal; }
ul { list-style: none; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 2px; }

/* ── UTILITIES ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }

/* ── REVEAL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: var(--gold);
  color: var(--bg);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(201,168,76,0.3);
}
.btn-ghost {
  display: inline-block;
  padding: 14px 36px;
  border: 1px solid var(--border-2);
  color: var(--white-70);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }
.btn-full { width: 100%; text-align: center; }

/* ── SECTION LABELS ── */
.section-label {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}
.section-desc {
  font-size: 0.9rem;
  color: var(--white-70);
  max-width: 560px;
  line-height: 1.8;
}
.section-header { margin-bottom: 64px; }

/* ═══════════════════════════════════════
   NAVBAR
═══════════════════════════════════════ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  transition: background var(--transition), border-bottom var(--transition);
}
#navbar.scrolled {
  background: rgba(10,11,15,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--white);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-links a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--white-70);
  text-transform: uppercase;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-cta {
  padding: 10px 24px !important;
  border: 1px solid var(--gold) !important;
  color: var(--gold) !important;
  border-radius: var(--radius);
  transition: background var(--transition) !important;
}
.nav-cta:hover { background: var(--gold-dim) !important; color: var(--gold-light) !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; }
.hamburger span { display: block; width: 22px; height: 1.5px; background: var(--white); transition: var(--transition); }

/* ── MOBILE MENU ── */
.mobile-menu {
  position: fixed;
  top: 72px; left: 0; right: 0; bottom: 0;
  background: var(--bg);
  z-index: 850;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mobile-menu ul { text-align: center; }
.mobile-menu li { margin: 20px 0; }
.mobile-link {
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white-70);
  transition: color var(--transition);
}
.mobile-link:hover { color: var(--gold); }
.mobile-cta { color: var(--gold) !important; }

/* ═══════════════════════════════════════
   HERO
═══════════════════════════════════════ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(201,168,76,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 50% 80% at 10% 80%, rgba(201,168,76,0.04) 0%, transparent 60%),
    linear-gradient(160deg, #0f0e14 0%, #0a0b0f 50%, #0c0d16 100%);
}
.hero-grain {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px;
}
.hero-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 80px 80px;
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 40px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding-top: 72px;
}
.hero-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 28px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 11vw, 9.5rem);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.01em;
  margin-bottom: 32px;
}
.hero-title-main { display: block; color: var(--white); }
.hero-title-accent {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold);
  font-style: italic;
}
.hero-sub {
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white-70);
  margin-bottom: 48px;
}
.hero-actions { display: flex; gap: 20px; flex-wrap: wrap; }
.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--white-40);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--white-40), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ═══════════════════════════════════════
   SERVICES
═══════════════════════════════════════ */
#services {
  padding: 130px 0;
  background: var(--bg-2);
  position: relative;
}
#services::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.service-card {
  background: var(--bg-2);
  padding: 48px 40px;
  position: relative;
  transition: background var(--transition);
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.service-card:hover { background: var(--surface); }
.service-card:hover::after { transform: scaleX(1); }
.service-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 300;
  color: var(--white-15);
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.service-icon {
  width: 40px;
  height: 40px;
  color: var(--gold);
  margin-bottom: 20px;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  color: var(--white);
}
.service-card p { font-size: 0.85rem; color: var(--white-70); line-height: 1.85; }

/* ═══════════════════════════════════════
   PROJECTS
═══════════════════════════════════════ */
#projects {
  padding: 130px 0;
  background: var(--bg);
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.project-card:hover {
  border-color: rgba(201,168,76,0.3);
  transform: translateY(-6px);
  box-shadow: 0 24px 50px rgba(0,0,0,0.5);
}
.project-img-wrap {
  position: relative;
  aspect-ratio: 3/2;
  overflow: hidden;
  background: var(--bg-3);
}
.project-img-wrap img {
  transition: transform 0.6s ease;
  object-position: center;
}
.project-card:hover .project-img-wrap img { transform: scale(1.04); }

/* Placeholder when no image */
.img-placeholder {
  background: linear-gradient(145deg, var(--bg-3) 0%, var(--surface-2) 100%);
}
.img-placeholder::after {
  content: '✈';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2.5rem;
  opacity: 0.15;
  color: var(--gold);
}

.project-tag {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(10,11,15,0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-2);
  color: var(--gold);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 2px;
}
.project-info { padding: 28px; }
.project-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 10px;
  letter-spacing: 0.02em;
}
.project-info p { font-size: 0.82rem; color: var(--white-70); line-height: 1.8; }

/* ═══════════════════════════════════════
   CONTACT
═══════════════════════════════════════ */
#contact {
  padding: 130px 0;
  background: var(--bg-2);
  position: relative;
}
#contact::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,168,76,0.4), transparent);
}
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.contact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 40px;
  transition: border-color var(--transition);
}
.contact-card:hover { border-color: rgba(201,168,76,0.25); }
.contact-card-label {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.contact-card h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: 20px;
}
.contact-card address {
  font-size: 0.85rem;
  color: var(--white-70);
  line-height: 1.9;
  margin-bottom: 20px;
}
.vat { font-size: 0.75rem; color: var(--white-40); }
.contact-links { display: flex; flex-direction: column; gap: 8px; }
.contact-links a {
  font-size: 0.85rem;
  color: var(--white-70);
  transition: color var(--transition);
}
.contact-links a:hover { color: var(--gold); }
.contact-card-cta {
  background: linear-gradient(135deg, var(--surface) 0%, var(--surface-2) 100%);
  border-color: rgba(201,168,76,0.2);
}
.contact-card-cta p {
  font-size: 0.85rem;
  color: var(--white-70);
  line-height: 1.8;
  margin-bottom: 28px;
}

/* ═══════════════════════════════════════
   FOOTER
═══════════════════════════════════════ */
#footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-logo {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--white-40);
}
.footer-legal {
  font-size: 0.72rem;
  color: var(--white-40);
  text-align: center;
  flex: 1;
}
.footer-nav { display: flex; gap: 28px; }
.footer-nav a {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white-40);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--gold); }

/* ═══════════════════════════════════════
   MODAL
═══════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,5,10,0.85);
  backdrop-filter: blur(8px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: 8px;
  padding: 52px;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px) scale(0.98);
  transition: transform 0.3s ease;
}
.modal-overlay.open .modal { transform: none; }
.modal-close {
  position: absolute;
  top: 20px; right: 24px;
  font-size: 1.5rem;
  color: var(--white-40);
  line-height: 1;
  transition: color var(--transition);
  padding: 4px 8px;
}
.modal-close:hover { color: var(--white); }
.modal-label {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}
.modal-header h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: 8px;
}
.modal-header p { font-size: 0.85rem; color: var(--white-70); margin-bottom: 36px; }

/* ── FORM ── */
.modal-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group-full { grid-column: 1 / -1; }
.form-group label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white-70);
}
.required { color: var(--gold); }
.form-group input,
.form-group textarea {
  background: var(--bg-3);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--white);
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--white-40); }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--gold); }
.form-group input.error { border-color: #c0392b; }
.form-actions { margin-top: 8px; }
.form-note { font-size: 0.72rem; color: var(--white-40); text-align: center; margin-top: 12px; }

/* ── MODAL SUCCESS ── */
.modal-success {
  text-align: center;
  padding: 40px 0;
}
.success-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 1.6rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
}
.modal-success h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 300;
  margin-bottom: 12px;
}
.modal-success p { font-size: 0.85rem; color: var(--white-70); }

/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 900px) {
  .container { padding: 0 24px; }
  .nav-inner { padding: 0 24px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero-content { padding: 0 24px; padding-top: 72px; }
  #services, #projects, #contact { padding: 80px 0; }
  .section-header { margin-bottom: 48px; }
  .form-row { grid-template-columns: 1fr; }
  .modal { padding: 36px 28px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 12px; }
  .footer-legal { text-align: left; }
}
@media (max-width: 600px) {
  .hero-title { font-size: clamp(3.5rem, 14vw, 5rem); }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-ghost { text-align: center; }
  .services-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}