/* ============================================================
   Jabar Airport Info — Panduan Independen Bandara Husein Sastranegara
   Global stylesheet
   ============================================================ */

:root{
  --navy:#071f3a;
  --blue:#0b4f8a;
  --gold:#d9a441;
  --gold-soft:#e9c684;
  --light:#f5f7fb;
  --white:#ffffff;
  --dark:#1c2430;
  --muted:#64748b;
  --line:#e6eaf2;

  --maxw:1180px;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(7,31,58,.08);
  --shadow-lg:0 24px 60px rgba(7,31,58,.16);
  --ease:cubic-bezier(.16,.84,.44,1);

  --font-display:"Poppins",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  color:var(--dark);
  background:var(--white);
  line-height:1.7;
  font-size:16px;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

h1,h2,h3,h4{font-family:var(--font-display);color:var(--navy);line-height:1.2;font-weight:700}
h1{font-size:clamp(2rem,4.6vw,3.25rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3vw,2.15rem);letter-spacing:-.01em}
h3{font-size:1.18rem}
p{color:#334155}

.eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--font-display);font-weight:600;font-size:.74rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--blue);
  margin-bottom:.85rem;
}
.eyebrow::before{
  content:"";width:26px;height:2px;background:var(--gold);display:inline-block;border-radius:2px;
}

.section{padding:84px 0}
.section--light{background:var(--light)}
.section--navy{background:var(--navy)}
.section-head{max-width:680px;margin-bottom:48px}
.section-head.center{margin-inline:auto;text-align:center}
.section-head p{color:var(--muted);margin-top:.6rem;font-size:1.05rem}

/* ---------- Top disclaimer bar ---------- */
.topbar{
  background:var(--navy);color:#cdd9ec;
  font-size:.8rem;text-align:center;padding:8px 16px;
  border-bottom:1px solid rgba(217,164,65,.25);
}
.topbar strong{color:var(--gold-soft);font-weight:600}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(14px) saturate(150%);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease),background .3s var(--ease);
}
.site-header.scrolled{box-shadow:0 6px 24px rgba(7,31,58,.08);background:rgba(255,255,255,.92)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{width:44px;height:44px;border-radius:12px}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:1.05rem;color:var(--navy)}
.brand-sub{font-size:.68rem;color:var(--muted);letter-spacing:.02em}

.menu{display:flex;align-items:center;gap:4px}
.menu a{
  font-family:var(--font-display);font-weight:500;font-size:.92rem;color:#33415a;
  padding:9px 14px;border-radius:10px;position:relative;transition:color .2s,background .2s;
}
.menu a:hover{color:var(--navy);background:rgba(11,79,138,.06)}
.menu a.active{color:var(--navy)}
.menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--gold);border-radius:2px;
}

.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:11px;
  background:var(--white);cursor:pointer;align-items:center;justify-content:center;
}
.hamburger span{display:block;width:20px;height:2px;background:var(--navy);position:relative;transition:.3s var(--ease)}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--navy);transition:.3s var(--ease)}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.hamburger.open span{background:transparent}
.hamburger.open span::before{top:0;transform:rotate(45deg)}
.hamburger.open span::after{top:0;transform:rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;color:var(--white);overflow:hidden;isolation:isolate}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgba(7,31,58,.92) 0%,rgba(7,31,58,.78) 45%,rgba(11,79,138,.55) 100%);
}
.hero--home::before{background-image:url("../img/header-beranda.jpg")}
.hero--profil::before{background-image:url("../img/header-profil-bandara.jpg")}
.hero--layanan::before{background-image:url("../img/header-layanan-penumpang.jpg")}
.hero--faq::before{background-image:url("../img/header-faq.webp")}
.hero--kontak::before{background-image:url("../img/header-kontak.webp")}

.hero-inner{padding:104px 0 96px;max-width:760px}
.hero h1{color:var(--white)}
.hero .lead{color:#dbe6f5;font-size:1.12rem;margin-top:1.1rem;max-width:620px}
.hero-eyebrow{color:var(--gold-soft)}
.hero-eyebrow::before{background:var(--gold)}

.hero-note{
  display:inline-flex;align-items:center;gap:.6rem;margin-top:1.6rem;
  background:rgba(217,164,65,.12);border:1px solid rgba(217,164,65,.4);
  color:var(--gold-soft);padding:.55rem .95rem;border-radius:999px;font-size:.82rem;
}
.hero-note::before{content:"i";display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--gold);color:var(--navy);font-weight:700;font-size:.72rem;font-family:var(--font-display)}

.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:2rem}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:var(--font-display);font-weight:600;font-size:.95rem;
  padding:.85rem 1.5rem;border-radius:12px;cursor:pointer;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s;
}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:var(--gold);color:var(--navy);box-shadow:0 10px 24px rgba(217,164,65,.3)}
.btn-gold:hover{background:var(--gold-soft)}
.btn-ghost{background:rgba(255,255,255,.08);color:var(--white);border-color:rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}
.btn-navy{background:var(--navy);color:var(--white)}
.btn-navy:hover{background:var(--blue)}

/* ---------- Cards ---------- */
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(217,164,65,.45)}
.card h3{margin-bottom:.5rem}
.card p{color:var(--muted);font-size:.95rem}

.icon-badge{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(11,79,138,.12),rgba(217,164,65,.16));
  color:var(--blue);font-size:1.4rem;
}

.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- Disclaimer card ---------- */
.disclaimer{
  display:flex;gap:18px;align-items:flex-start;
  background:linear-gradient(135deg,#fbfcfe,#f3f6fc);
  border:1px solid var(--line);border-left:4px solid var(--gold);
  border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow);
}
.disclaimer .mark{
  flex:0 0 auto;width:46px;height:46px;border-radius:12px;background:var(--navy);
  color:var(--gold);display:grid;place-items:center;font-family:var(--font-display);font-weight:700;
}
.disclaimer h3{margin-bottom:.35rem}
.disclaimer p{color:var(--muted);font-size:.95rem;margin:0}

/* ---------- Split layout ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split .media{
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);
  aspect-ratio:4/3;background:linear-gradient(135deg,var(--navy),var(--blue));
}
.split .media img{width:100%;height:100%;object-fit:cover}
.prose p{margin-bottom:1rem;color:#334155}
.prose p:last-child{margin-bottom:0}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;text-align:center;box-shadow:var(--shadow);
}
.stat .num{font-family:var(--font-display);font-weight:700;font-size:1.35rem;color:var(--blue)}
.stat .lbl{font-size:.82rem;color:var(--muted);margin-top:.3rem;letter-spacing:.02em}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--gold),var(--line))}
.timeline li{position:relative;padding-bottom:26px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-30px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--white);border:3px solid var(--gold)}
.timeline h4{color:var(--navy);margin-bottom:.2rem}
.timeline p{color:var(--muted);font-size:.94rem;margin:0}

/* ---------- Note box ---------- */
.note{
  background:rgba(11,79,138,.05);border:1px dashed rgba(11,79,138,.35);
  border-radius:var(--radius-sm);padding:18px 22px;color:#334155;font-size:.94rem;
}
.note strong{color:var(--navy)}

/* ---------- Feature list ---------- */
.checklist li{position:relative;padding-left:30px;margin-bottom:.7rem;color:#334155}
.checklist li::before{
  content:"✓";position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:6px;
  background:rgba(217,164,65,.2);color:var(--gold);font-size:.78rem;font-weight:700;display:grid;place-items:center;
}

/* ---------- FAQ accordion ---------- */
.faq-list{max-width:840px;margin:0 auto}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:14px;overflow:hidden;box-shadow:0 4px 16px rgba(7,31,58,.05);transition:border-color .2s;
}
.faq-item.open{border-color:rgba(217,164,65,.5)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:none;border:none;cursor:pointer;text-align:left;
  font-family:var(--font-display);font-weight:600;font-size:1rem;color:var(--navy);
}
.faq-q .plus{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:rgba(11,79,138,.08);color:var(--blue);display:grid;place-items:center;transition:transform .3s var(--ease),background .2s}
.faq-item.open .plus{transform:rotate(45deg);background:var(--gold);color:var(--navy)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a-inner{padding:0 22px 20px;color:var(--muted);font-size:.96rem}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:start}
.info-list li{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px}
.info-list .icon-badge{width:44px;height:44px;margin:0;font-size:1.15rem;flex:0 0 auto}
.info-list .k{font-family:var(--font-display);font-weight:600;color:var(--navy);font-size:.92rem}
.info-list .v{color:var(--muted);font-size:.92rem}
.form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-family:var(--font-display);font-weight:500;font-size:.86rem;color:var(--navy);margin-bottom:.4rem}
.field input,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:11px;
  font-family:var(--font-body);font-size:.95rem;background:#fbfcfe;transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,79,138,.12)}
.field textarea{resize:vertical;min-height:130px}
.form-msg{margin-top:14px;font-size:.9rem;color:var(--blue);display:none}
.form-msg.show{display:block}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--navy),var(--blue));color:var(--white);
  border-radius:var(--radius);padding:48px;text-align:center;position:relative;overflow:hidden;
}
.cta-band h2{color:var(--white)}
.cta-band p{color:#cdd9ec;max-width:520px;margin:.7rem auto 1.6rem}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(217,164,65,.15)}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#aebfd6;padding:54px 0 28px;text-align:center}
.footer-brand{display:inline-flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand img{width:40px;height:40px;border-radius:11px}
.footer-brand .fn{font-family:var(--font-display);font-weight:700;color:var(--white);font-size:1.05rem}
.footer-sub{color:var(--gold-soft);font-size:.85rem;margin-bottom:14px}
.footer-disc{max-width:560px;margin:0 auto 16px;font-size:.85rem;color:#8fa2bd;line-height:1.6}
.footer-mail{color:#cdd9ec;font-size:.9rem}
.footer-mail a{color:var(--gold-soft)}
.footer-copy{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);font-size:.8rem;color:#7b8eaa}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:14px;
  background:var(--navy);color:var(--gold);border:1px solid rgba(217,164,65,.4);
  display:grid;place-items:center;cursor:pointer;z-index:50;font-size:1.1rem;
  opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s var(--ease);box-shadow:var(--shadow-lg);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--blue)}

/* ---------- Scroll reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .contact-grid{grid-template-columns:1fr;gap:30px}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .hamburger{display:flex}
  .menu{
    position:fixed;top:0;right:0;height:100dvh;width:min(300px,82vw);
    background:var(--white);flex-direction:column;align-items:stretch;gap:6px;
    padding:90px 20px 30px;box-shadow:-20px 0 60px rgba(7,31,58,.18);
    transform:translateX(100%);transition:transform .35s var(--ease);z-index:55;
  }
  .menu.open{transform:translateX(0)}
  .menu a{padding:14px 16px;border-radius:12px;font-size:1rem}
  .menu a.active{background:rgba(11,79,138,.06)}
  .menu a.active::after{display:none}
  .nav-backdrop{position:fixed;inset:0;background:rgba(7,31,58,.4);opacity:0;visibility:hidden;transition:.3s;z-index:54}
  .nav-backdrop.show{opacity:1;visibility:visible}
  .section{padding:60px 0}
  .hero-inner{padding:74px 0 66px}
  .cta-band{padding:34px 24px}
}
@media (max-width:520px){
  .grid-2,.grid-3,.grid-4,.stats{grid-template-columns:1fr}
  .brand-sub{display:none}
  .disclaimer{flex-direction:column;gap:12px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}