/* ═══════════════════════════════════════════════════
   SKYSTAR HOLDINGS LIMITED — Shared Stylesheet
   Multi-page site | Design: Precision Infrastructure
   Fonts: Sora (headings) · Plus Jakarta Sans (body) · Space Mono (labels)
═══════════════════════════════════════════════════ */

:root {
  --ink:     #0a0e1a;
  --ink2:    #111827;
  --ink3:    #1c2a40;
  --slate:   #f0f4fa;
  --slate2:  #e4eaf5;
  --slate3:  #d0daea;
  --blue:    #1a6dff;
  --blue2:   #0052d4;
  --blue3:   #3d8eff;
  --cyan:    #00c6ff;
  --white:   #ffffff;
  --muted:   #6b7a99;
  --text:    #1e293b;
  --light:   #4a5568;
  --border:  #d0daea;
  --glow:    rgba(26,109,255,0.10);
  --shadow:  0 4px 24px rgba(0,0,0,0.07);
  --shadow2: 0 12px 40px rgba(26,109,255,0.10);
}

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0 }
html { scroll-behavior:smooth; font-size:16px }
body { font-family:'Plus Jakarta Sans',sans-serif; background:var(--white); color:var(--text); overflow-x:hidden; -webkit-font-smoothing:antialiased }
img  { max-width:100%; display:block }
a    { color:inherit; text-decoration:none }
::-webkit-scrollbar { width:4px }
::-webkit-scrollbar-track { background:var(--slate) }
::-webkit-scrollbar-thumb { background:var(--blue); border-radius:4px }
:focus-visible { outline:2px solid var(--blue); outline-offset:3px; border-radius:4px }
@media(prefers-reduced-motion:reduce){ *,*::before,*::after { animation-duration:.01ms!important; transition-duration:.01ms!important } }

/* ── Animations ── */
@keyframes fadeUp   { from{opacity:0;transform:translateY(28px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn   { from{opacity:0} to{opacity:1} }
@keyframes pulse    { 0%,100%{opacity:.4} 50%{opacity:1} }
@keyframes ticker   { from{transform:translateX(0)} to{transform:translateX(-50%)} }
@keyframes float    { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }
@keyframes scanline { 0%{top:-4px} 100%{top:100%} }

/* ── Layout ── */
.container { max-width:1160px; margin:0 auto; padding:0 5vw }

/* ═══ NAV ═══ */
#mainNav {
  position:fixed; inset:0 0 auto; z-index:300;
  display:flex; align-items:center; justify-content:space-between;
  padding:.75rem 5vw;
  background:rgba(255,255,255,0.97); backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s, padding .3s;
}
#mainNav.scrolled { box-shadow:0 4px 30px rgba(0,0,0,0.08) }
.nav-logo-img { height:52px; width:auto; display:block; object-fit:contain }
.nav-links { display:flex; align-items:center; gap:1.8rem; list-style:none }
.nav-links a {
  font-size:.82rem; font-weight:500; color:var(--muted); letter-spacing:.01em;
  position:relative; padding-bottom:2px; transition:color .2s;
}
.nav-links a::after {
  content:''; position:absolute; bottom:-2px; left:0; right:0;
  height:1.5px; background:var(--blue);
  transform:scaleX(0); transition:transform .25s; transform-origin:left;
}
.nav-links a:hover,
.nav-links a.active { color:var(--ink) }
.nav-links a:hover::after,
.nav-links a.active::after { transform:scaleX(1) }
.nav-links a.nav-cta,
.nav-links a.nav-cta.active {
  background:var(--blue); color:#fff!important;
  padding:.45rem 1.3rem; border-radius:7px; font-weight:700;
  box-shadow:0 4px 16px rgba(26,109,255,0.3); transition:background .2s,transform .2s;
}
.nav-links a.nav-cta::after { display:none }
.nav-links a.nav-cta:hover { background:var(--blue2); transform:translateY(-1px) }
.hamburger {
  display:none; background:none; border:1.5px solid var(--border);
  cursor:pointer; padding:6px 8px; border-radius:6px;
  flex-direction:column; gap:4px;
}
.hamburger span { display:block; width:20px; height:1.5px; background:var(--ink); transition:.3s }

/* Mobile nav */
#mobNav {
  display:none; position:fixed; top:73px; left:0; right:0; z-index:299;
  background:var(--white); border-bottom:1px solid var(--border);
  flex-direction:column; padding:1rem 5vw 1.5rem;
  box-shadow:0 8px 30px rgba(0,0,0,0.08);
}
#mobNav.open { display:flex }
#mobNav a {
  padding:.65rem 0; font-size:.9rem; font-weight:500; color:var(--text);
  border-bottom:1px solid var(--slate2); transition:color .2s;
}
#mobNav a:last-child { border:none; color:var(--blue); font-weight:700; margin-top:.4rem }
#mobNav a.mob-active { color:var(--blue) }

/* ═══ PAGE BANNER (subpages) ═══ */
.page-banner {
  background:var(--ink); padding:7.5rem 5vw 3.5rem;
  position:relative; overflow:hidden;
}
.page-banner::before {
  content:''; position:absolute; inset:0;
  background-image:linear-gradient(rgba(26,109,255,0.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(26,109,255,0.06) 1px,transparent 1px);
  background-size:44px 44px;
}
.page-banner::after {
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,var(--blue),var(--cyan),var(--blue));
}
.page-banner .container { position:relative; z-index:1 }
.banner-label {
  display:inline-flex; align-items:center; gap:.5rem;
  font-size:.65rem; letter-spacing:.2em; text-transform:uppercase;
  color:rgba(255,255,255,.4); font-family:'Space Mono',monospace;
  margin-bottom:.9rem;
}
.banner-label::before { content:'//'; opacity:.5 }
.page-banner h1 {
  font-family:'Sora',sans-serif;
  font-size:clamp(2rem,4.5vw,3.4rem);
  font-weight:800; color:var(--white); line-height:1.08;
  letter-spacing:-.03em;
}
.page-banner h1 em { font-style:normal; color:var(--blue3) }
.page-banner p {
  color:rgba(255,255,255,.5); font-size:.95rem; line-height:1.8;
  margin-top:.9rem; max-width:560px;
}
.breadcrumb {
  display:flex; align-items:center; gap:.5rem;
  font-size:.7rem; letter-spacing:.1em; text-transform:uppercase;
  color:rgba(255,255,255,.3); font-family:'Space Mono',monospace; margin-top:1.5rem;
}
.breadcrumb a { color:var(--blue3); transition:color .2s }
.breadcrumb a:hover { color:var(--white) }
.breadcrumb span { opacity:.4 }

/* ═══ SECTION COMMONS ═══ */
.section-label {
  display:inline-flex; align-items:center; gap:.5rem;
  font-size:.65rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--blue); font-weight:700; margin-bottom:.9rem;
  font-family:'Space Mono',monospace;
}
.section-label::before { content:'//'; opacity:.5 }
h2.sh {
  font-family:'Sora',sans-serif;
  font-size:clamp(1.8rem,3.2vw,2.8rem);
  font-weight:800; color:var(--ink); line-height:1.1; letter-spacing:-.02em;
}
h2.sh em { font-style:normal; color:var(--blue) }
.sh-sub { color:var(--light); line-height:1.85; margin-top:.7rem; font-size:.93rem; max-width:520px }

/* ═══ BUTTONS ═══ */
.btn-primary {
  display:inline-flex; align-items:center; gap:.5rem;
  background:var(--blue); color:#fff; padding:.8rem 2rem;
  border-radius:8px; font-weight:700; font-size:.875rem;
  box-shadow:0 4px 24px rgba(26,109,255,0.35); letter-spacing:.01em;
  transition:background .2s,transform .2s,box-shadow .2s;
}
.btn-primary:hover { background:var(--blue2); transform:translateY(-2px); box-shadow:0 8px 32px rgba(26,109,255,0.4) }
.btn-secondary {
  display:inline-flex; align-items:center; gap:.5rem;
  border:1.5px solid var(--border); color:var(--ink);
  padding:.8rem 2rem; border-radius:8px; font-weight:600; font-size:.875rem;
  background:var(--white); transition:all .2s;
}
.btn-secondary:hover { border-color:var(--blue); color:var(--blue); background:var(--glow) }

/* ═══ CARDS ═══ */
.card {
  background:var(--white); border:1px solid var(--border); border-radius:14px;
  padding:2rem 1.8rem; transition:box-shadow .3s,border-color .3s,transform .3s;
  position:relative; overflow:hidden;
}
.card::after {
  content:''; position:absolute; bottom:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));
  transform:scaleX(0); transform-origin:left; transition:transform .4s;
}
.card:hover { box-shadow:var(--shadow2); border-color:rgba(26,109,255,.2); transform:translateY(-3px) }
.card:hover::after { transform:scaleX(1) }

/* ═══ TICKER ═══ */
.ticker-wrap { background:var(--ink); padding:.9rem 0; overflow:hidden; white-space:nowrap }
.ticker-inner { display:inline-flex; gap:4rem; animation:ticker 30s linear infinite }
.ticker-item {
  display:inline-flex; align-items:center; gap:.6rem;
  font-size:.7rem; letter-spacing:.14em; text-transform:uppercase;
  color:rgba(255,255,255,.45); font-family:'Space Mono',monospace;
}
.ticker-item::before { content:'◆'; color:var(--blue); font-size:.4rem }

/* ═══ FOOTER ═══ */
#siteFooter { background:var(--ink); padding:3.5rem 5vw 2rem }
.footer-top {
  display:grid; grid-template-columns:2fr 1fr 1fr; gap:3rem;
  margin-bottom:3rem; padding-bottom:3rem;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.foot-brand p { color:rgba(255,255,255,.35); font-size:.82rem; line-height:1.8; margin-top:.9rem; max-width:280px }
.foot-col h4 {
  font-size:.62rem; letter-spacing:.18em; text-transform:uppercase;
  color:rgba(255,255,255,.3); font-family:'Space Mono',monospace; margin-bottom:1.2rem;
}
.foot-col ul { list-style:none; display:flex; flex-direction:column; gap:.6rem }
.foot-col ul a { color:rgba(255,255,255,.4); font-size:.82rem; transition:color .2s }
.foot-col ul a:hover { color:#fff }
.foot-sister {
  margin-bottom:2rem; padding-bottom:2rem; border-bottom:1px solid rgba(255,255,255,.05);
  display:flex; align-items:center; gap:1.2rem; flex-wrap:wrap;
}
.foot-sister-label { font-size:.6rem; letter-spacing:.16em; text-transform:uppercase; color:rgba(255,255,255,.25); font-family:'Space Mono',monospace }
.foot-sister a {
  color:rgba(255,255,255,.4); font-size:.8rem;
  border:1px solid rgba(255,255,255,.1); padding:.28rem .75rem; border-radius:5px; transition:all .2s;
}
.foot-sister a:hover { color:#fff; border-color:rgba(255,255,255,.3) }
.footer-bottom {
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:1rem; font-size:.72rem; color:rgba(255,255,255,.22);
}
.footer-bottom a { color:var(--blue3) }

/* ═══ SCROLL TO TOP ═══ */
#toTop {
  position:fixed; bottom:2rem; right:2rem; z-index:100;
  width:44px; height:44px; border-radius:10px;
  background:var(--blue); color:#fff; border:none; cursor:pointer;
  display:none; align-items:center; justify-content:center;
  font-size:1.1rem; box-shadow:0 4px 20px rgba(26,109,255,.4); transition:transform .2s;
}
#toTop.vis { display:flex }
#toTop:hover { transform:translateY(-2px) }

/* ═══ REVEAL ANIMATION ═══ */
.reveal { opacity:0; transform:translateY(22px); transition:opacity .6s ease,transform .6s ease }
.reveal.in { opacity:1; transform:translateY(0) }

/* ═══ FORM ═══ */
.form-group { display:flex; flex-direction:column; gap:.4rem; margin-bottom:.9rem }
.form-group label { font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); font-weight:600 }
.form-group input,
.form-group textarea,
.form-group select {
  background:var(--white); border:1.5px solid var(--border); color:var(--ink);
  padding:.72rem 1rem; border-radius:8px; font-family:'Plus Jakarta Sans',sans-serif;
  font-size:.88rem; outline:none; transition:border-color .2s,box-shadow .2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color:var(--blue); box-shadow:0 0 0 3px rgba(26,109,255,.1) }
.form-group textarea { resize:vertical; min-height:110px }
.form-group select { appearance:none; cursor:pointer }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:1rem }
.form-submit {
  width:100%; background:var(--blue); color:#fff; padding:.9rem;
  border:none; border-radius:8px; font-family:'Sora',sans-serif;
  font-weight:700; font-size:.9rem; cursor:pointer;
  box-shadow:0 4px 20px rgba(26,109,255,.3); transition:background .2s,transform .2s;
}
.form-submit:hover { background:var(--blue2); transform:translateY(-1px) }

/* ═══ UTILITY ═══ */
.tag {
  font-size:.62rem; letter-spacing:.08em; text-transform:uppercase;
  font-weight:600; border:1px solid var(--border); color:var(--light);
  padding:.22rem .55rem; border-radius:4px; background:var(--slate);
}
.brand-chip {
  font-size:.68rem; font-weight:700; letter-spacing:.04em;
  color:var(--ink2); border:1px solid var(--border);
  padding:.22rem .6rem; border-radius:5px; background:var(--slate);
  font-family:'Space Mono',monospace;
}
.icon-box {
  width:46px; height:46px; border-radius:10px; flex-shrink:0;
  background:linear-gradient(135deg,rgba(26,109,255,.12),rgba(26,109,255,.04));
  border:1px solid rgba(26,109,255,.15);
  display:flex; align-items:center; justify-content:center; font-size:1.2rem;
}
.dot { width:7px; height:7px; border-radius:50%; background:var(--blue); animation:pulse 2s infinite }

/* ═══ RESPONSIVE ═══ */
@media(max-width:960px){
  .nav-links { display:none }
  .hamburger { display:flex }
  .footer-top { grid-template-columns:1fr 1fr }
  .form-row { grid-template-columns:1fr }
}
@media(max-width:600px){
  .footer-top { grid-template-columns:1fr }
  .page-banner { padding:6.5rem 4vw 3rem }
  .container { padding:0 4vw }
}