/* ARD Aerial Services — Shared Stylesheet */

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

:root {
  --navy:        #1B2A4A;
  --navy-light:  #243559;
  --navy-dark:   #13203a;
  --silver:      #C0C8D8;
  --silver-lt:   #E8ECF2;
  --silver-dim:  #8A96A8;
  --white:       #FFFFFF;
  --off-white:   #F5F7FA;
  --border:      rgba(192,200,216,0.18);
  --text-body:   #4a5568;
  --max-w:       1080px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--off-white);
  color: var(--navy);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ── NAV ───────────────────────────────────────────── */

.nav {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 200;
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-logo-img-wrap {
  height: 44px;
  width: 68px;
  overflow: hidden;
  border: 1px solid rgba(192, 200, 216, 0.3);
  border-radius: 4px;
  flex-shrink: 0;
}

.nav-logo-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
  transform: scale(1.2);
  transform-origin: center;
}

.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.nav-logo-name {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--silver-lt);
}

.nav-logo-sub {
  font-size: 8.5px;
  letter-spacing: 0.2em;
  color: var(--silver-dim);
  text-transform: uppercase;
  margin-top: 3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 11.5px;
  letter-spacing: 0.09em;
  font-weight: 500;
  color: var(--silver);
  text-transform: uppercase;
  padding-bottom: 2px;
  border-bottom: 1.5px solid transparent;
  transition: color .2s, border-color .2s;
  white-space: nowrap;
}

.nav-links a:hover { color: var(--white); }
.nav-links a.active { color: var(--white); border-bottom-color: var(--silver); }

.nav-cta {
  background: transparent !important;
  border: 1.5px solid var(--silver) !important;
  color: var(--silver) !important;
  padding: 7px 18px !important;
  border-radius: 3px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  transition: background .2s, color .2s;
  white-space: nowrap;
  line-height: 1;
}

.nav-cta:hover { background: var(--silver) !important; color: var(--navy) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--silver);
  border-radius: 1px;
  transition: all .3s;
}

/* ── HERO (homepage) ───────────────────────────────── */

.hero {
  background: var(--navy);
  padding: 110px 28px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(27, 42, 74, 0.72);
  pointer-events: none;
}

.hero-inner { max-width: 700px; margin: 0 auto; position: relative; }

.hero-kicker {
  font-size: 10.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--silver-dim);
  margin-bottom: 22px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.13;
  letter-spacing: -.02em;
  margin-bottom: 22px;
}

.hero h1 em {
  font-style: normal;
  color: var(--silver);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--silver);
  opacity: .82;
  max-width: 520px;
  margin: 0 auto 38px;
  line-height: 1.75;
}

.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── PAGE HERO (inner pages) ───────────────────────── */

.page-hero {
  background: var(--navy);
  padding: 64px 28px 56px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 70% at 50% 120%, rgba(192,200,216,.05) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero-inner { position: relative; max-width: 600px; margin: 0 auto; }

.page-hero .hero-kicker { margin-bottom: 14px; }

.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: -.015em;
  margin-bottom: 12px;
}

.page-hero p {
  font-size: .97rem;
  color: var(--silver);
  opacity: .8;
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── BUTTONS ───────────────────────────────────────── */

.btn {
  display: inline-block;
  padding: 13px 26px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: 3px;
  transition: all .2s;
  cursor: pointer;
  border: 1.5px solid transparent;
}

.btn-primary { background: var(--silver-lt); color: var(--navy); border-color: var(--silver-lt); }
.btn-primary:hover { background: var(--white); border-color: var(--white); }

.btn-outline { background: transparent; color: var(--silver); border-color: var(--silver); }
.btn-outline:hover { background: var(--silver); color: var(--navy); }

.btn-navy { background: var(--navy); color: var(--white); border-color: var(--navy); }
.btn-navy:hover { background: var(--navy-light); border-color: var(--navy-light); }

.btn-sm { padding: 9px 18px; font-size: 11.5px; }

/* ── SECTIONS ──────────────────────────────────────── */

.section      { padding: 80px 28px; }
.section-sm   { padding: 52px 28px; }
.section-navy { background: var(--navy); }
.section-white { background: var(--white); }
.section-off  { background: var(--off-white); }

.container { max-width: var(--max-w); margin: 0 auto; }

.section-label {
  display: block;
  font-size: 10.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--silver-dim);
  margin-bottom: 12px;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--navy);
}

.section-navy h2 { color: var(--white); }

.section-lead {
  font-size: 1rem;
  color: var(--text-body);
  margin-top: 12px;
  max-width: 540px;
  line-height: 1.75;
}

.section-navy .section-lead { color: var(--silver); opacity: .8; }

.section-header { margin-bottom: 48px; }

/* ── SERVICES PREVIEW (home) ───────────────────────── */

.services-preview-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.sp-card {
  background: var(--white);
  padding: 32px 20px 28px;
  text-align: center;
  transition: background .2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.sp-card:hover { background: var(--off-white); }

.sp-card svg {
  width: 36px;
  height: 36px;
  color: var(--navy);
  opacity: .7;
  flex-shrink: 0;
}

.sp-card-img-wrap {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sp-card img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 5px;
}

.sp-card-name {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--navy);
  line-height: 1.35;
}

.sp-card-link {
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--silver-dim);
  border-bottom: 1px solid var(--silver-light, var(--silver-lt));
  padding-bottom: 1px;
}

/* ── WHY US ────────────────────────────────────────── */

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.why-item {
  background: var(--navy-light);
  padding: 36px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.why-icon-wrap {
  width: 96px;
  height: 96px;
  border-radius: 6px;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  overflow: hidden;
  flex-shrink: 0;
}

.why-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
}

.why-item h3 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 8px;
}

.why-item p {
  font-size: 13px;
  color: var(--silver);
  opacity: .8;
  line-height: 1.65;
}

/* ── CREDENTIALS STRIP ─────────────────────────────── */

.creds-strip { background: var(--navy-dark); padding: 18px 28px; }

.creds-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  flex-wrap: wrap;
}

.cred-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--silver-dim);
  font-weight: 500;
}

.cred-item svg { width: 13px; height: 13px; color: var(--silver); flex-shrink: 0; }

/* ── SERVICE CARDS (services page) ────────────────── */

.service-card {
  background: var(--white);
  border: 1px solid var(--silver-lt);
  border-radius: 6px;
  padding: 36px 36px 32px;
}

.service-card + .service-card { margin-top: 20px; }

.service-card-header { display: flex; align-items: flex-start; gap: 24px; margin-bottom: 18px; }

.service-card-icon {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  border-radius: 5px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.service-card-icon svg { width: 24px; height: 24px; }
.service-card-icon img { width: 100%; height: 100%; object-fit: cover; border-radius: 4px; }

.service-card-title { flex: 1; }

.service-badge {
  display: inline-block;
  font-size: 9.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--navy);
  background: var(--silver-lt);
  padding: 2px 9px;
  border-radius: 2px;
  margin-bottom: 8px;
}

.service-badge.soon { color: var(--silver-dim); background: var(--off-white); border: 1px solid var(--silver-lt); }

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
}

.service-card p {
  font-size: .92rem;
  color: var(--text-body);
  line-height: 1.75;
  margin-bottom: 16px;
}

.service-card ul {
  margin: 0 0 20px 18px;
  font-size: .9rem;
  color: var(--text-body);
  line-height: 1.9;
}

.service-card-footer {
  padding-top: 20px;
  border-top: 1px solid var(--silver-lt);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.service-use-label {
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--silver-dim);
}

/* ── AIRCRAFT CARDS ───────────────────────────────── */

.aircraft-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.aircraft-card {
  background: var(--white);
  border: 1px solid var(--silver-lt);
  border-radius: 6px;
  overflow: hidden;
}

.aircraft-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  border-bottom: 1px solid var(--silver-lt);
}

.aircraft-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.aircraft-card-body { padding: 28px 28px 24px; }

.aircraft-tag {
  display: inline-block;
  font-size: 9.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--silver-dim);
  background: var(--off-white);
  border: 1px solid var(--silver-lt);
  padding: 2px 9px;
  border-radius: 2px;
  margin-bottom: 10px;
}

.aircraft-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 4px;
}

.aircraft-role {
  font-size: 11.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--silver-dim);
  margin-bottom: 14px;
}

.aircraft-card p {
  font-size: .9rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 20px;
}

.spec-placeholder {
  padding-top: 16px;
  border-top: 1px solid var(--silver-lt);
  font-size: 11.5px;
  color: var(--silver-dim);
  font-style: italic;
  letter-spacing: .02em;
}

/* ── ABOUT ─────────────────────────────────────────── */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: start;
}

.about-photo {
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: 6px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.about-photo-caption {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.about-photo-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.01em;
}

.about-photo-role {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-dim);
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.about-photo-placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  background: var(--navy-light);
  border-radius: 6px;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.about-photo-placeholder svg { width: 48px; height: 48px; color: var(--silver); opacity: .3; }

.about-photo-placeholder span {
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--silver-dim);
}

.about-lead {
  font-size: 1.2rem;
  color: var(--navy);
  font-weight: 500;
  line-height: 1.65;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--silver-lt);
}

.about-body p {
  font-size: .94rem;
  color: var(--text-body);
  line-height: 1.82;
  margin-bottom: 18px;
}

.credentials-list { margin-top: 32px; display: flex; flex-direction: column; gap: 10px; }

.credential-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  background: var(--off-white);
  border: 1px solid var(--silver-lt);
  border-radius: 4px;
  font-size: 13px;
  color: var(--navy);
  font-weight: 500;
}

.credential-item svg { width: 16px; height: 16px; color: var(--silver-dim); flex-shrink: 0; }

/* ── FOOTER ────────────────────────────────────────── */

.footer {
  background: var(--navy);
  border-top: 1px solid var(--border);
  padding: 48px 28px 32px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 48px;
  align-items: start;
}

.footer-name {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .13em;
  color: var(--silver-lt);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.footer-meta {
  font-size: 12px;
  color: var(--silver-dim);
  line-height: 1.9;
}

.footer-meta a { color: var(--silver); border-bottom: 1px solid rgba(192,200,216,.3); }
.footer-meta a:hover { color: var(--white); }

.footer-col-label {
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--silver-dim);
  margin-bottom: 14px;
  opacity: .7;
}

.footer-links { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.footer-links a {
  font-size: 12.5px;
  color: var(--silver-dim);
  transition: color .2s;
}

.footer-links a:hover { color: var(--silver); }

.footer-bottom {
  max-width: var(--max-w);
  margin: 28px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 10.5px;
  color: var(--silver-dim);
  opacity: .55;
}

/* ── RESPONSIVE ────────────────────────────────────── */

@media (max-width: 900px) {
  .services-preview-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .aircraft-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-photo-placeholder { aspect-ratio: 16/9; max-height: 320px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 56px 20px; }
  .section-sm { padding: 40px 20px; }
  .nav-inner { padding: 0 20px; }

  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 68px;
    left: 0; right: 0;
    background: var(--navy);
    padding: 16px 20px 28px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,.25);
  }

  .nav-links.open li { width: 100%; }
  .nav-links.open a { font-size: 14px; padding: 12px 0; border-bottom: 1px solid var(--border); display: block; }
  .nav-links.open li:last-child a { border-bottom: none; }
  .nav-cta { border: 1.5px solid var(--silver) !important; padding: 10px 0 !important; }

  .hero { padding: 76px 20px 68px; }
  .page-hero { padding: 52px 20px 44px; }

  .services-preview-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 4px; }
  .creds-inner { gap: 18px; }
  .service-card { padding: 24px 20px 22px; }
  .service-card-header { flex-direction: column; gap: 14px; }
  .aircraft-card-body { padding: 22px 20px 20px; }
  .about-grid { gap: 28px; }
}