/* ===================================================================
   ATAA Aviation Services — Design System
=================================================================== */

:root {
  --navy-950: #060d18;
  --navy-900: #0a1526;
  --navy-800: #0f2138;
  --navy-700: #16304f;
  --navy-600: #1c3d63;
  --blue-600: #1461a6;
  --blue-500: #1c7fd1;
  --blue-400: #2f9be8;
  --sky-300: #6ec3f4;
  --sky-100: #d9edfc;
  --ink: #0a1526;
  --slate-700: #3a4a5e;
  --slate-500: #64748b;
  --slate-300: #b9c6d6;
  --paper: #f6f9fc;
  --white: #ffffff;
  --line: #e3ebf3;
  --gold: #e0a63a;

  --shadow-sm: 0 2px 8px rgba(10, 21, 38, 0.06);
  --shadow-md: 0 12px 32px rgba(10, 21, 38, 0.10);
  --shadow-lg: 0 24px 60px rgba(10, 21, 38, 0.16);
  --shadow-glow: 0 0 0 1px rgba(47, 155, 232, 0.15), 0 20px 50px rgba(20, 97, 166, 0.25);

  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-soft: cubic-bezier(.4, 0, .2, 1);
  --radius: 18px;
  --radius-sm: 10px;
  --container: 1240px;
}

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

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--slate-700);
  background: var(--paper);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-500);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 26px;
  height: 2px;
  background: var(--blue-500);
  display: inline-block;
  border-radius: 2px;
}

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); margin-bottom: 14px; }
.section-head p { font-size: 1.05rem; color: var(--slate-500); }

section { position: relative; padding: 108px 0; }
.section-tight { padding: 80px 0; }
.bg-navy { background: var(--navy-900); color: var(--slate-300); }
.bg-navy h2, .bg-navy h3, .bg-navy h4 { color: var(--white); }
.bg-alt { background: var(--white); }

/* ---------------- Buttons ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .3s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; transition: transform .35s var(--ease); }
.btn-primary {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
  color: var(--white);
  box-shadow: 0 12px 30px rgba(28, 127, 209, 0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(28, 127, 209, 0.45); }
.btn-primary:hover svg { transform: translate(3px, -3px); }
.btn-ghost {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.28);
  color: var(--white);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.14); transform: translateY(-3px); }
.btn-dark {
  background: var(--ink);
  color: var(--white);
}
.btn-dark:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.btn-block { width: 100%; justify-content: center; }

/* ---------------- Header ---------------- */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  padding: 22px 0;
  transition: padding .4s var(--ease), background .4s var(--ease), box-shadow .4s var(--ease);
}
#site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
#site-header.scrolled {
  padding: 12px 0;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 30px rgba(10,21,38,0.10);
}

.brand {
  display: flex; align-items: center;
  transition: transform .3s var(--ease), opacity .3s;
}
.brand:hover { transform: translateY(-2px); opacity: 0.9; }
.logo-crop {
  width: 190px; height: 72px;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}
.logo-crop img {
  position: absolute;
  top: -64.7px; left: -10.1px;
  width: 210.6px; height: 210.6px;
  max-width: none;
  transition: opacity .35s ease;
}
.logo-crop.sm { width: 130px; height: 50px; }
.logo-crop.sm img { top: -44.3px; left: -6.9px; width: 144.1px; height: 144.1px; }

/* Logo is drawn dark-on-transparent. We stack a white (inverted) copy and the
   original-color copy, then cross-fade between them: white while the header
   floats over the dark hero, original color once the header becomes a solid
   light bar on scroll. Footer is always dark, so it only ever shows white. */
.logo-crop img.logo-light { filter: brightness(0) invert(1); opacity: 1; }
.logo-crop img.logo-dark { filter: none; opacity: 0; }
#site-header.scrolled .logo-crop img.logo-light { opacity: 0; }
#site-header.scrolled .logo-crop img.logo-dark { opacity: 1; }
footer .logo-crop img.logo-dark { display: none; }

.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav a {
  color: rgba(255,255,255,0.82);
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
  transition: color .25s;
}
.main-nav a::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--sky-300);
  transition: width .3s var(--ease);
}
.main-nav a:hover { color: var(--white); }
.main-nav a:hover::after { width: 100%; }
#site-header.scrolled .main-nav a { color: var(--slate-700); }
#site-header.scrolled .main-nav a:hover { color: var(--ink); }
#site-header.scrolled .main-nav a::after { background: var(--blue-500); }

.header-actions { display: flex; align-items: center; gap: 18px; }
.header-phone { display: flex; align-items: center; gap: 9px; color: var(--white); font-size: 0.9rem; font-weight: 600; }
.header-phone svg { width: 17px; height: 17px; color: var(--sky-300); }
.header-phone span small { display: block; font-weight: 400; color: var(--slate-300); font-size: 0.68rem; }
#site-header.scrolled .header-phone { color: var(--ink); }
#site-header.scrolled .header-phone svg { color: var(--blue-600); }
#site-header.scrolled .header-phone span small { color: var(--slate-500); }
#site-header.scrolled .nav-toggle { background: rgba(10,21,38,0.06); }
#site-header.scrolled .nav-toggle span,
#site-header.scrolled .nav-toggle span::before,
#site-header.scrolled .nav-toggle span::after { background: var(--ink); }
#site-header.scrolled.nav-open .main-nav { background: rgba(255,255,255,0.99); box-shadow: 0 16px 30px rgba(10,21,38,0.12); }
#site-header.scrolled.nav-open .main-nav a { color: var(--slate-700); }

.nav-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 10px; background: rgba(255,255,255,0.08); }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ''; display: block; width: 20px; height: 2px; background: #fff; position: relative; transition: transform .3s, opacity .3s;
}
.nav-toggle span::before { position: absolute; top: -7px; }
.nav-toggle span::after { position: absolute; top: 7px; }
.nav-toggle.active span { background: transparent; }
.nav-toggle.active span::before { transform: rotate(45deg) translate(-5px,-5px); }
.nav-toggle.active span::after { transform: rotate(-45deg) translate(-5px,5px); }

/* ---------------- Hero ---------------- */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 140px;
  background:
    radial-gradient(ellipse at 20% -10%, rgba(47, 155, 232, 0.25), transparent 55%),
    radial-gradient(ellipse at 90% 10%, rgba(28, 127, 209, 0.22), transparent 50%),
    linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 55%, var(--navy-800) 100%);
  overflow: hidden;
  color: var(--white);
}

.sky-layer { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.stars { position: absolute; inset: 0; opacity: 0.5; background-image:
  radial-gradient(1.5px 1.5px at 20% 30%, #fff, transparent),
  radial-gradient(1.5px 1.5px at 75% 15%, #fff, transparent),
  radial-gradient(1px 1px at 50% 60%, #fff, transparent),
  radial-gradient(1px 1px at 90% 70%, #fff, transparent),
  radial-gradient(1.5px 1.5px at 35% 80%, #fff, transparent),
  radial-gradient(1px 1px at 10% 65%, #fff, transparent);
  background-repeat: no-repeat;
}

.cloud {
  position: absolute;
  background: rgba(255,255,255,0.05);
  border-radius: 100px;
  filter: blur(1px);
}
.cloud::before, .cloud::after {
  content: ''; position: absolute; background: inherit; border-radius: 100px;
}
.c1 { width: 260px; height: 70px; top: 18%; left: -10%; animation: drift 46s linear infinite; }
.c1::before { width: 140px; height: 90px; top: -40px; left: 30px; }
.c1::after { width: 100px; height: 60px; top: -20px; left: 140px; }
.c2 { width: 200px; height: 55px; top: 62%; left: -15%; opacity: .7; animation: drift 60s linear infinite; animation-delay: -20s; }
.c2::before { width: 110px; height: 70px; top: -30px; left: 20px; }
.c3 { width: 170px; height: 46px; top: 38%; right: -12%; opacity: .5; animation: driftR 52s linear infinite; }
@keyframes drift { from { transform: translateX(0); } to { transform: translateX(140vw); } }
@keyframes driftR { from { transform: translateX(0); } to { transform: translateX(-140vw); } }

.flight-path { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; }
.flight-path path { fill: none; stroke: rgba(255,255,255,0.14); stroke-width: 1.5; stroke-dasharray: 3 10; }

/* Living background: glow orbs + a slow radar sweep, shared by hero and inner-hero */
.glow-orb {
  position:absolute; border-radius:50%; filter: blur(50px); pointer-events:none; z-index: 0;
  background: radial-gradient(circle, rgba(47,155,232,0.35), transparent 70%);
}
@keyframes orbFloat { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-20px,24px) scale(1.08); } }

#hero .glow-orb.g1 { width:480px; height:480px; top:-10%; right:2%; animation: orbFloat 12s ease-in-out infinite; }
#hero .glow-orb.g2 { width:380px; height:380px; bottom:-8%; left:-4%; background: radial-gradient(circle, rgba(224,166,58,0.16), transparent 70%); animation: orbFloat 15s ease-in-out infinite reverse; }

.radar-sweep {
  position: absolute; z-index: 0; pointer-events: none;
  top: 50%; left: 50%; width: 160vmax; height: 160vmax;
  margin-left: -80vmax; margin-top: -80vmax;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(110,195,244,0.10) 26deg, transparent 70deg, transparent 360deg);
  animation: radarSpin 14s linear infinite;
  mix-blend-mode: screen;
  opacity: 0.8;
}
@keyframes radarSpin { to { transform: rotate(360deg); } }

#hero-plane {
  position: absolute;
  z-index: 2;
  width: 92px;
  height: auto;
  filter: drop-shadow(0 18px 34px rgba(47, 155, 232, 0.45));
  will-change: transform, offset-distance;
  offset-path: path('M -10 620 C 220 520, 380 560, 560 460 C 760 350, 900 300, 1180 90');
  offset-rotate: auto 90deg;
  animation: fly-in 9s ease-in-out infinite;
}
@keyframes fly-in {
  0% { offset-distance: 0%; opacity: 0; }
  8% { opacity: 1; }
  92% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}
#hero-plane .prop { animation: spin 0.35s linear infinite; transform-origin: 84px 32px; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero-grid {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: center;
  padding-bottom: 60px;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.16);
  padding: 8px 18px 8px 8px;
  border-radius: 100px;
  font-size: 0.82rem;
  margin-bottom: 26px;
  backdrop-filter: blur(6px);
}
.hero-badge .dot { width: 26px; height: 26px; border-radius: 50%; background: linear-gradient(135deg,var(--sky-300),var(--blue-500)); display: flex; align-items: center; justify-content: center; }
.hero-badge .dot svg { width: 14px; height: 14px; }

#hero h1 {
  font-size: clamp(2.6rem, 5.4vw, 4.3rem);
  color: var(--white);
  margin-bottom: 22px;
}
#hero h1 em { font-style: normal; background: linear-gradient(100deg, var(--sky-300), var(--blue-400)); -webkit-background-clip: text; background-clip: text; color: transparent; }
#hero .lead { font-size: 1.12rem; color: var(--slate-300); max-width: 540px; margin-bottom: 38px; }

.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }

.hero-stats { display: flex; gap: 42px; flex-wrap: wrap; }
.hero-stats .stat b { font-family: 'Space Grotesk', sans-serif; font-size: 2.1rem; color: var(--white); display: block; }
.hero-stats .stat span { font-size: 0.82rem; color: var(--slate-300); }

.hero-visual { position: relative; height: 520px; }
.hero-card {
  position: absolute;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  padding: 22px;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}
.hero-card.glass-main { top: 8%; left: 6%; width: 88%; height: 76%; border-radius: 26px; overflow: hidden; padding: 0; animation: none; }
.hero-card.glass-main img { width: 100%; height: 100%; object-fit: cover; opacity: 0.92; }
.hero-card.glass-main::after { content:''; position:absolute; inset:0; background: linear-gradient(180deg, transparent 40%, rgba(6,13,24,0.85)); }
.hero-card.float-1 { bottom: 4%; left: -6%; width: 220px; animation-delay: 0s; }
.hero-card.float-2 { top: -4%; right: -8%; width: 190px; animation-delay: 1.4s; }
.hero-card .hc-icon { width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(135deg,var(--blue-500),var(--blue-600)); display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.hero-card .hc-icon svg { width: 22px; height: 22px; color: #fff; }
.hero-card b { display: block; color: var(--white); font-size: 1rem; margin-bottom: 2px; }
.hero-card span { font-size: 0.8rem; color: var(--slate-300); }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

.scroll-cue {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--slate-300); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
  z-index: 4;
}
.scroll-cue .mouse { width: 24px; height: 38px; border: 2px solid rgba(255,255,255,0.4); border-radius: 14px; position: relative; }
.scroll-cue .mouse::before { content:''; position:absolute; top:6px; left:50%; width:4px; height:8px; background:var(--sky-300); border-radius:2px; transform:translateX(-50%); animation: scrollDot 1.6s ease-in-out infinite; }
@keyframes scrollDot { 0% { opacity:1; top:6px; } 70% { opacity:0; top:20px; } 100% { opacity:0; top:6px; } }

/* ---------------- Marquee ---------------- */
.marquee-strip { background: var(--navy-800); padding: 22px 0; overflow: hidden; border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.marquee-track { display: flex; gap: 64px; width: max-content; animation: marquee 32s linear infinite; }
.marquee-track span { color: rgba(255,255,255,0.55); font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 1.05rem; letter-spacing: 0.03em; white-space: nowrap; display:flex; align-items:center; gap:10px;}
.marquee-track span::before { content:'✈'; color: var(--sky-300); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------------- Reveal animation ---------------- */
.reveal { opacity: 0; transform: translateY(46px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-scale { opacity: 0; transform: scale(.92) translateY(30px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal-scale.in { opacity: 1; transform: scale(1) translateY(0); }
.stagger.in > * { transition-delay: calc(var(--i, 0) * 0.09s); }

/* ---------------- About ---------------- */
#about { background: var(--white); }
.about-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 70px; align-items: center; }
.about-visual { position: relative; }
.about-visual .frame { border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-lg); position: relative; }
.about-visual .frame img { width: 100%; height: 460px; object-fit: cover; }
.about-badge {
  position: absolute; bottom: -26px; right: -26px;
  background: var(--white); border-radius: 18px; box-shadow: var(--shadow-lg);
  padding: 20px 26px; display: flex; align-items: center; gap: 14px;
  border: 1px solid var(--line);
}
.about-badge .ring { width: 54px; height: 54px; border-radius: 50%; background: conic-gradient(var(--blue-500) 92%, var(--line) 0); display:flex; align-items:center; justify-content:center; }
.about-badge .ring::before { content:''; width:42px; height:42px; border-radius:50%; background:#fff; }
.about-badge .ring span { position:absolute; font-family:'Space Grotesk',sans-serif; font-weight:700; color:var(--ink); font-size:0.95rem; }
.about-badge b { display:block; font-size:1.1rem; color: var(--ink); }
.about-badge small { color: var(--slate-500); font-size: 0.78rem; }

.about-copy p { margin-bottom: 18px; color: var(--slate-500); }
.about-points { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 30px 0 34px; }
.about-points li { display: flex; align-items: flex-start; gap: 12px; font-size: 0.92rem; color: var(--slate-700); font-weight: 500; }
.about-points li svg { width: 20px; height: 20px; color: var(--blue-500); flex-shrink: 0; margin-top: 1px; }

.offices-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 70px; }
.office-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.office-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
.office-card .flag { font-size: 1.7rem; margin-bottom: 14px; display:block; }
.office-card h4 { font-size: 1.05rem; margin-bottom: 8px; }
.office-card p { font-size: 0.88rem; color: var(--slate-500); margin-bottom: 4px; }

/* ---------------- Services ---------------- */
#services { background: var(--paper); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.service-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 26px;
  overflow: hidden;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.service-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(150deg, var(--navy-800), var(--blue-600));
  opacity: 0;
  transition: opacity .5s var(--ease);
  z-index: 0;
}
.service-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-glow); }
.service-card:hover::before { opacity: 1; }
.service-card:hover h3, .service-card:hover p, .service-card:hover .sc-num { color: #fff; }
.service-card:hover .sc-icon { background: rgba(255,255,255,0.16); }
.service-card:hover .sc-icon svg { color: #fff; }
.service-card:hover .sc-arrow { opacity: 1; transform: translate(0,0); }

.sc-icon {
  position: relative; z-index: 1;
  width: 54px; height: 54px; border-radius: 14px;
  background: var(--sky-100);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  transition: background .4s var(--ease);
}
.sc-icon svg { width: 26px; height: 26px; color: var(--blue-600); transition: color .4s; }
.service-card h3 { position: relative; z-index: 1; font-size: 1.08rem; margin-bottom: 10px; transition: color .4s; }
.service-card p { position: relative; z-index: 1; font-size: 0.88rem; color: var(--slate-500); transition: color .4s; margin-bottom: 18px; }
.sc-num { position: absolute; top: 26px; right: 26px; z-index: 1; font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:0.78rem; color: var(--slate-300); transition: color .4s; }
.sc-arrow { position: relative; z-index: 1; display:inline-flex; align-items:center; gap:6px; font-size:0.82rem; font-weight:600; color:#fff; opacity:0; transform: translate(-6px,6px); transition: all .4s var(--ease); }
.sc-arrow svg { width:14px; height:14px; }

/* ---------------- Why us / process ---------------- */
#why { background: var(--navy-900); color: var(--slate-300); overflow: hidden; }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.why-list { display: flex; flex-direction: column; gap: 26px; margin-top: 34px; }
.why-item { display: flex; gap: 18px; }
.why-item .wi-icon {
  width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px;
  background: rgba(47,155,232,0.14); border: 1px solid rgba(47,155,232,0.3);
  display: flex; align-items: center; justify-content: center;
}
.why-item .wi-icon svg { width: 22px; height: 22px; color: var(--sky-300); }
.why-item h4 { color: #fff; font-size: 1.02rem; margin-bottom: 6px; }
.why-item p { font-size: 0.9rem; color: var(--slate-300); }

.why-panel { position: relative; }
.metric-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  backdrop-filter: blur(10px);
}
.metric-card .m {
  text-align: center; padding: 18px 10px; border-radius: 14px;
  background: rgba(255,255,255,0.03);
}
.metric-card .m b { font-family:'Space Grotesk',sans-serif; font-size: 2.4rem; color: #fff; display:block; }
.metric-card .m span { font-size: 0.8rem; color: var(--slate-300); }

/* ---------------- Process timeline ---------------- */
#process { background: var(--white); }
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.timeline::before {
  content:''; position:absolute; top: 30px; left: 8%; right: 8%; height: 2px;
  background: repeating-linear-gradient(90deg, var(--line) 0 10px, transparent 10px 18px);
}
.tl-step { position: relative; text-align: center; padding: 0 10px; }
.tl-step .tl-num {
  width: 60px; height: 60px; border-radius: 50%; margin: 0 auto 22px;
  background: var(--white); border: 2px solid var(--blue-500); color: var(--blue-600);
  display:flex; align-items:center; justify-content:center;
  font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:1.2rem;
  position: relative; z-index: 1;
  transition: background .4s var(--ease), color .4s var(--ease), transform .4s var(--ease);
}
.tl-step:hover .tl-num { background: var(--blue-500); color: #fff; transform: scale(1.08); }
.tl-step h4 { font-size: 1rem; margin-bottom: 8px; }
.tl-step p { font-size: 0.85rem; color: var(--slate-500); }

/* ---------------- CTA banner ---------------- */
.cta-banner {
  position: relative;
  margin: 0 28px;
  max-width: calc(var(--container) - 56px);
  margin-inline: auto;
  border-radius: 28px;
  overflow: hidden;
  padding: 64px 60px;
  background: linear-gradient(120deg, var(--navy-900), var(--blue-600) 140%);
  display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap;
}
.cta-banner::before {
  content:'';
  position:absolute; inset:0;
  background: radial-gradient(circle at 85% 20%, rgba(255,255,255,0.16), transparent 55%);
}
.cta-banner .cta-plane { position:absolute; right: -20px; bottom: -30px; width: 220px; opacity: .18; }
.cta-banner h2 { color: #fff; font-size: clamp(1.6rem,3vw,2.2rem); max-width: 480px; position: relative; z-index: 1;}
.cta-banner p { color: var(--sky-100); margin-top: 10px; position: relative; z-index: 1; }
.cta-banner .cta-actions { display:flex; gap:14px; position: relative; z-index: 1; flex-wrap: wrap; }

/* ---------------- Contact ---------------- */
#contact { background: var(--paper); }
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 50px; }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.info-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; display: flex; gap: 16px; align-items: flex-start;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.info-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.info-card .ic-icon { width: 46px; height: 46px; border-radius: 12px; background: var(--sky-100); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.info-card .ic-icon svg { width: 22px; height: 22px; color: var(--blue-600); }
.info-card h4 { font-size: 0.98rem; margin-bottom: 5px; }
.info-card p, .info-card a { font-size: 0.88rem; color: var(--slate-500); display:block; }
.info-card a:hover { color: var(--blue-600); }

.contact-form {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 40px; box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 20px; }
.field label { display:block; font-size: 0.8rem; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px; border-radius: 10px; border: 1px solid var(--line);
  font-family: inherit; font-size: 0.92rem; color: var(--ink); background: var(--paper);
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--blue-500); background: #fff;
  box-shadow: 0 0 0 4px rgba(28,127,209,0.12);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-note { font-size: 0.78rem; color: var(--slate-500); margin-top: 12px; text-align: center; }

.form-alert {
  font-size: 0.88rem; font-weight: 600; line-height: 1.4;
  margin: -8px 0 18px; padding: 0;
}
.form-alert.success { color: #15803d; }
.form-alert.error { color: #b91c1c; }
.hp-field { position: absolute; left: -9999px; top: -9999px; }

/* ---------------- Footer ---------------- */
footer { background: var(--navy-950); color: var(--slate-300); padding: 80px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 50px; padding-bottom: 60px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand p { margin: 16px 0 20px; font-size: 0.9rem; max-width: 300px; }
.social-row { display: flex; gap: 12px; }
.social-row a { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,0.06); display:flex; align-items:center; justify-content:center; transition: background .3s, transform .3s; }
.social-row a:hover { background: var(--blue-500); transform: translateY(-3px); }
.social-row svg { width: 17px; height: 17px; }
.footer-col h5 { color: #fff; font-size: 0.92rem; margin-bottom: 20px; letter-spacing: 0.02em; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col a { font-size: 0.88rem; transition: color .25s, padding-left .25s; }
.footer-col a:hover { color: var(--sky-300); padding-left: 4px; }
.footer-bottom { display:flex; justify-content: space-between; align-items:center; padding: 26px 0; font-size: 0.82rem; flex-wrap: wrap; gap: 10px; }
.footer-bottom a { color: var(--slate-300); }
.footer-bottom a:hover { color: var(--sky-300); }

/* ---------------- Inner page hero (subpages) ---------------- */
.inner-hero {
  position: relative;
  padding: 168px 0 90px;
  background:
    radial-gradient(ellipse at 15% 0%, rgba(47,155,232,0.22), transparent 55%),
    linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 100%);
  color: var(--white);
  overflow: hidden;
}
.inner-hero .stars { position:absolute; inset:0; opacity:0.4; animation: twinkle 5s ease-in-out infinite; }
@keyframes twinkle { 0%,100% { opacity:0.4; } 50% { opacity:0.7; } }
.inner-hero .cloud { opacity: 0.4; }
.inner-hero .glow-orb {
  position:absolute; border-radius:50%; filter: blur(50px); pointer-events:none;
  background: radial-gradient(circle, rgba(47,155,232,0.35), transparent 70%);
}
.inner-hero .glow-orb.g1 { width:360px; height:360px; top:-120px; right:8%; animation: orbFloat 9s ease-in-out infinite; }
.inner-hero .glow-orb.g2 { width:260px; height:260px; bottom:-100px; left:2%; background: radial-gradient(circle, rgba(224,166,58,0.18), transparent 70%); animation: orbFloat 11s ease-in-out infinite reverse; }
@keyframes orbFloat { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-20px,24px) scale(1.08); } }

.inner-hero .flight-path { opacity: 0.7; }
.inner-hero .flight-path path {
  stroke-dasharray: 6 12;
  animation: dashMove 3.2s linear infinite;
}
@keyframes dashMove { to { stroke-dashoffset: -180; } }

.inner-plane {
  position: absolute;
  width: 58px;
  z-index: 2;
  top: 0; left: 0;
  filter: drop-shadow(0 14px 26px rgba(47,155,232,0.45));
  offset-path: path('M -20 340 C 250 300, 550 260, 800 220 C 1000 190, 1150 170, 1300 150');
  offset-rotate: auto 90deg;
  animation: innerFly 10s ease-in-out infinite;
}
.inner-hero .rings { top: 14%; right: 10%; }
.inner-hero .rings span { top: 0; left: 0; }
@keyframes innerFly {
  0% { offset-distance: 0%; opacity: 0; }
  6% { opacity: 1; }
  94% { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}
.inner-hero .rings { position:absolute; z-index:0; pointer-events:none; }
.inner-hero .rings span {
  position:absolute; border:1px solid rgba(110,195,244,0.25); border-radius:50%;
  animation: ringPulse 4s ease-out infinite;
}
.inner-hero .rings span:nth-child(2) { animation-delay: 1.3s; }
.inner-hero .rings span:nth-child(3) { animation-delay: 2.6s; }
@keyframes ringPulse {
  0% { width:20px; height:20px; opacity:0.7; }
  100% { width:260px; height:260px; opacity:0; margin-left:-120px; margin-top:-120px; }
}

.breadcrumb { display:flex; align-items:center; gap:8px; font-size:0.85rem; color: var(--slate-300); margin-bottom: 18px; position:relative; z-index:1; }
.breadcrumb a { color: var(--sky-300); }
.breadcrumb svg { width:14px; height:14px; opacity:0.6; }
.inner-hero h1 { font-size: clamp(2.1rem, 4vw, 3.1rem); color: #fff; max-width: 720px; position:relative; z-index:1; }
.inner-hero p.lead { color: var(--slate-300); max-width: 620px; margin-top: 16px; font-size: 1.05rem; position:relative; z-index:1; }
.inner-hero .hero-ctas { position:relative; z-index:1; }
.inner-hero .badge-pill { position:relative; z-index:1; }

/* ---------------- Badges ---------------- */
.badge-pill {
  display:inline-flex; align-items:center; gap:8px;
  background: rgba(224,166,58,0.14); border:1px solid rgba(224,166,58,0.4);
  color: var(--gold); font-size: 0.72rem; font-weight:700; letter-spacing:0.06em; text-transform:uppercase;
  padding: 6px 14px; border-radius: 100px; margin-bottom: 14px;
}
.badge-pill.on-dark { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.25); color: var(--sky-300); }

/* ---------------- Featured / core service cards ---------------- */
.core-grid { display:grid; grid-template-columns: repeat(5,1fr); gap: 20px; }
.core-card {
  position: relative;
  background: linear-gradient(160deg, var(--navy-800), var(--navy-900));
  border-radius: var(--radius);
  padding: 30px 24px;
  color: var(--white);
  overflow: hidden;
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
  border: 1px solid rgba(255,255,255,0.06);
}
.core-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-glow); }
.core-card::after {
  content:''; position:absolute; inset:0;
  background: radial-gradient(circle at 90% 0%, rgba(47,155,232,0.28), transparent 60%);
  opacity: 0; transition: opacity .5s var(--ease);
}
.core-card:hover::after { opacity: 1; }
.core-card .cc-tag { position:relative; z-index:1; font-size:0.7rem; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; color: var(--sky-300); margin-bottom:16px; display:block; }
.core-card .cc-icon { position:relative; z-index:1; width:50px; height:50px; border-radius:13px; background:rgba(47,155,232,0.16); display:flex; align-items:center; justify-content:center; margin-bottom:18px; }
.core-card .cc-icon svg { width:24px; height:24px; color: var(--sky-300); }
.core-card h3 { position:relative; z-index:1; color:#fff; font-size:1.1rem; margin-bottom:10px; }
.core-card p { position:relative; z-index:1; font-size:0.86rem; color: var(--slate-300); margin-bottom:16px; }
.core-card .sc-arrow { position:relative; z-index:1; opacity:1; transform:none; color: var(--sky-300); }
.core-card .sc-arrow svg { color: var(--sky-300); }

/* ---------------- WhatsApp float button ---------------- */
#wa-float {
  position: fixed; bottom: 28px; left: 28px; z-index: 600;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color:#fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 10px 26px rgba(37,211,102,0.45);
  transition: transform .35s var(--ease);
}
#wa-float:hover { transform: translateY(-4px) scale(1.05); }
#wa-float svg { width: 28px; height: 28px; }
#wa-float::before {
  content:''; position:absolute; inset:0; border-radius:50%;
  border: 2px solid rgba(37,211,102,0.55);
  animation: waPulse 2.2s ease-out infinite;
}
@keyframes waPulse { 0% { transform: scale(1); opacity:.8; } 100% { transform: scale(1.6); opacity:0; } }

/* ---------------- Simple list page sections ---------------- */
.split-section { display:grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items:center; }
.check-list { display:flex; flex-direction:column; gap:16px; margin-top:24px; }
.check-list li { display:flex; gap:12px; align-items:flex-start; font-size:0.94rem; color:var(--slate-700); }
.check-list li svg { width:20px; height:20px; color: var(--blue-500); flex-shrink:0; margin-top:2px; }
.check-list.on-dark li { color: var(--slate-300); }

.spec-table { width:100%; border-collapse: collapse; margin-top: 20px; }
.spec-table th, .spec-table td { text-align:left; padding: 14px 18px; border-bottom: 1px solid var(--line); font-size: 0.9rem; }
.spec-table th { color: var(--ink); font-family:'Space Grotesk',sans-serif; }
.spec-table td { color: var(--slate-500); }
.table-wrap { overflow-x:auto; border:1px solid var(--line); border-radius: var(--radius); background:#fff; }

/* ---------------- Certifications & group companies ---------------- */
.cert-grid { display:grid; grid-template-columns: repeat(5,1fr); gap: 18px; }
.cert-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px; padding: 22px 16px; height: 96px;
  display:flex; align-items:center; justify-content:center;
  transition: transform .4s var(--ease), background .4s var(--ease), border-color .4s;
}
.cert-card:hover { transform: translateY(-6px); background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); }
.cert-card img { max-height: 56px; max-width: 100%; width: auto; transition: transform .4s var(--ease), filter .4s var(--ease); }
.cert-card:hover img { transform: scale(1.1); filter: drop-shadow(0 8px 16px rgba(110,195,244,0.4)); }

.group-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.group-card {
  display: block;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 24px; text-align:center;
  color: inherit; text-decoration: none;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.group-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-md); border-color: transparent; }
a.group-card:hover h4 { color: var(--blue-600); }
.group-card .gc-mark { height: 48px; display:flex; align-items:center; justify-content:center; margin-bottom: 18px; }
.group-card .gc-mark img { max-height: 48px; max-width: 140px; width:auto; object-fit: contain; }
.group-card h4 { font-size: 1rem; margin-bottom: 8px; }
.group-card p { font-size: 0.86rem; color: var(--slate-500); }

.partner-strip { display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap: 36px; }
.partner-strip img {
  height: 34px; width:auto;
  transition: transform .4s var(--ease), filter .4s var(--ease);
}
.partner-strip img:hover {
  transform: translateY(-5px) scale(1.08);
  filter: drop-shadow(0 10px 18px rgba(28,127,209,0.35));
}

/* ---------------- Scroll-follow mini plane ---------------- */
#scroll-plane {
  position: fixed;
  top: 0; left: 0;
  width: 34px; height: 34px;
  z-index: 500;
  pointer-events: none;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 6px 14px rgba(28,127,209,0.5));
  opacity: 0;
  transition: opacity .4s ease;
}
#scroll-plane.show { opacity: 1; }
#scroll-track {
  position: fixed;
  top: 0; right: 22px;
  width: 3px; height: 100vh;
  z-index: 490;
  pointer-events: none;
}
#scroll-track .rail { position:absolute; inset:0; background: rgba(20,97,166,0.12); border-radius: 3px; }
#scroll-track .fill { position:absolute; top:0; left:0; width:100%; height:0%; background: linear-gradient(180deg, var(--sky-300), var(--blue-600)); border-radius: 3px; transition: height .1s linear; }

/* ---------------- Back to top ---------------- */
#back-top {
  position: fixed; bottom: 28px; right: 28px; z-index: 600;
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--blue-500); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: all .4s var(--ease);
}
#back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
#back-top:hover { background: var(--navy-800); transform: translateY(-4px); }
#back-top svg { width: 20px; height: 20px; }

/* ---------------- Responsive ---------------- */
@media (max-width: 1080px) {
  .cert-grid { grid-template-columns: repeat(3,1fr); }
  .group-grid { grid-template-columns: repeat(2,1fr); }
  .core-grid { grid-template-columns: repeat(3,1fr); }
  .split-section { grid-template-columns: 1fr; gap: 36px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { height: 380px; margin-top: 20px; }
  .about-grid, .why-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .offices-row { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .timeline::before { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  #scroll-track { display: none; }
}
@media (max-width: 860px) {
  .main-nav, .header-phone { display: none; }
  .nav-toggle { display: flex; }
  #site-header.nav-open .main-nav {
    display: flex; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; background: rgba(10,21,38,0.98); padding: 24px 28px; gap: 18px;
    backdrop-filter: blur(14px);
  }
}
@media (max-width: 620px) {
  section { padding: 76px 0; }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .group-grid { grid-template-columns: 1fr; }
  .core-grid { grid-template-columns: 1fr 1fr; }
  #wa-float { width: 48px; height: 48px; bottom: 18px; left: 18px; }
  #wa-float svg { width: 24px; height: 24px; }
  #back-top { width: 44px; height: 44px; bottom: 18px; right: 18px; }
  .services-grid { grid-template-columns: 1fr; }
  .about-points { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-banner { padding: 44px 28px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 26px; }
  .timeline { grid-template-columns: 1fr; }
}