/* ==========================================================================
   COSA Travels — Public Site Theme
   Luxury palette: deep navy + gold + cream
   ========================================================================== */
:root{
  --navy:#0a1428;
  --navy-2:#101d3a;
  --navy-3:#16264a;
  --gold:#c9a24b;
  --gold-2:#e0c074;
  --cream:#f7f3ea;
  --ink:#1c2535;
  --muted:#6c7689;
  --line:#e7e2d6;
  --white:#ffffff;
  --shadow:0 18px 50px -20px rgba(10,20,40,.35);
  --radius:16px;
  --font-head:'Playfair Display',Georgia,serif;
  --font-body:'Poppins','Segoe UI',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:var(--white);line-height:1.65;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:700;line-height:1.15;color:var(--navy)}
.container{width:min(1180px,92%);margin-inline:auto}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.eyebrow{font-family:var(--font-body);letter-spacing:.32em;text-transform:uppercase;font-size:.72rem;font-weight:600;color:var(--gold);margin-bottom:14px}
.section-head{text-align:center;max-width:680px;margin:0 auto 56px}
.section-head h2{font-size:clamp(2rem,4vw,2.9rem)}
.section-head p{color:var(--muted);margin-top:14px}
.gold{color:var(--gold)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 32px;border-radius:50px;font-weight:600;font-size:.95rem;border:none;cursor:pointer;transition:.25s;letter-spacing:.02em}
.btn-gold{background:linear-gradient(120deg,var(--gold),var(--gold-2));color:var(--navy);box-shadow:0 14px 30px -12px rgba(201,162,75,.7)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 20px 38px -12px rgba(201,162,75,.85)}
.btn-outline{background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,.55)}
.btn-outline:hover{background:var(--white);color:var(--navy)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-3)}

/* ---------- Header ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:1000;transition:.35s;padding:10px 0}
.site-header.scrolled{background:rgba(10,20,40,.92);backdrop-filter:blur(12px);padding:6px 0;box-shadow:0 10px 30px -18px rgba(0,0,0,.6)}
.nav{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand-logo{height:58px;width:auto;display:block;transition:.35s}
.site-header.scrolled .brand-logo{height:48px}
.brand-logo--footer{height:124px}
.brand .logo-mark{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold-2));display:grid;place-items:center;font-family:var(--font-head);font-weight:700;color:var(--navy);font-size:1.2rem}
.brand .brand-text b{font-family:var(--font-head);font-size:1.25rem;display:block;letter-spacing:.04em}
.brand .brand-text span{font-size:.62rem;letter-spacing:.34em;text-transform:uppercase;color:var(--gold-2);opacity:.9}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none}
.nav-links a{color:rgba(255,255,255,.85);font-size:.92rem;font-weight:500;transition:.2s;position:relative}
.nav-links a:hover{color:var(--gold-2)}
.nav-cta{margin-left:10px}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;
  background:linear-gradient(120deg,rgba(10,20,40,.92),rgba(10,20,40,.55)),
  url('https://images.unsplash.com/photo-1469854523086-cc02fe5d8800?auto=format&fit=crop&w=1920&q=80') center/cover fixed}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,var(--navy),transparent 35%)}
.hero-inner{position:relative;z-index:2;max-width:760px;padding:120px 0 80px}
.hero .eyebrow{color:var(--gold-2)}
.hero h1{color:#fff;font-size:clamp(2.6rem,6vw,4.6rem);margin-bottom:22px}
.hero h1 .gold{color:var(--gold-2)}
.hero p{font-size:1.12rem;color:rgba(255,255,255,.85);max-width:620px;margin-bottom:34px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:42px;margin-top:60px;flex-wrap:wrap}
.hero-stats .stat b{font-family:var(--font-head);font-size:2rem;color:var(--gold-2);display:block}
.hero-stats .stat span{font-size:.82rem;color:rgba(255,255,255,.7);letter-spacing:.05em}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center}
.about-img{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);min-height:480px;background:var(--navy-2)}
.about-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.about-img .badge{position:absolute;bottom:24px;left:24px;background:rgba(10,20,40,.4);backdrop-filter:blur(4px);color:#fff;padding:18px 24px;border-radius:14px;border-left:4px solid var(--gold)}
.about-img .badge b{font-family:var(--font-head);font-size:1.4rem;color:var(--gold-2)}
.about-text h2{font-size:clamp(1.9rem,3.5vw,2.7rem);margin-bottom:18px}
.about-text p{color:var(--muted);margin-bottom:16px}
.mv-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.mv-card{background:var(--cream);border:1px solid var(--line);border-radius:14px;padding:22px}
.mv-card i{color:var(--gold);font-size:1.4rem;margin-bottom:10px}
.mv-card h4{margin-bottom:8px}
.mv-card p{font-size:.9rem;margin:0}

/* ---------- Services ---------- */
.bg-cream{background:var(--cream)}
.services-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:26px}
.service-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;transition:.3s;position:relative;overflow:hidden}
.service-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--gold),var(--gold-2));transform:scaleX(0);transform-origin:left;transition:.35s}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.service-card:hover::before{transform:scaleX(1)}
.service-card .ico{width:58px;height:58px;border-radius:14px;background:var(--navy);color:var(--gold-2);display:grid;place-items:center;font-size:1.4rem;margin-bottom:20px}
.service-card h3{font-size:1.3rem;margin-bottom:10px}
.service-card p{color:var(--muted);font-size:.92rem;margin-bottom:16px}
.service-card ul{list-style:none;display:grid;gap:8px}
.service-card li{font-size:.88rem;color:var(--ink);display:flex;gap:9px;align-items:flex-start}
.service-card li i{color:var(--gold);font-size:.75rem;margin-top:6px}

/* ---------- Destinations ---------- */
.dest-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:40px}
.dest-tab{padding:10px 22px;border-radius:50px;border:1.5px solid var(--line);background:#fff;cursor:pointer;font-weight:500;font-size:.9rem;transition:.2s;color:var(--muted)}
.dest-tab.active,.dest-tab:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.dest-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px}
.dest-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:230px;display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow);background-size:cover;background-position:center;transition:.4s}
.dest-card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,20,40,.85),transparent 60%)}
.dest-card:hover{transform:translateY(-5px)}
.dest-card .info{position:relative;z-index:2;padding:20px}
.dest-card .info span{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-2)}
.dest-card .info h4{color:#fff;font-size:1.2rem;margin-top:4px}
.dest-group{display:none}
.dest-group.active{display:block;animation:fade .4s ease}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- Why choose ---------- */
.why{background:var(--navy);color:#fff}
.why .section-head h2,.why .eyebrow{color:#fff}
.why .section-head h2{color:#fff}
.why-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:22px}
.why-card{background:var(--navy-2);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:26px;transition:.3s}
.why-card:hover{border-color:var(--gold);transform:translateY(-4px)}
.why-card i{color:var(--gold-2);font-size:1.6rem;margin-bottom:14px}
.why-card h4{color:#fff;font-size:1.05rem}
.why-card p{color:rgba(255,255,255,.7);font-size:.86rem;margin-top:6px}

/* ---------- Testimonials ---------- */
.tst-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.tst-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;position:relative}
.tst-card .quote{position:absolute;top:20px;right:26px;font-family:var(--font-head);font-size:3.4rem;color:var(--line);line-height:1}
.tst-stars{color:var(--gold);margin-bottom:14px}
.tst-card p{font-style:italic;color:var(--ink);margin-bottom:20px}
.tst-author{display:flex;align-items:center;gap:14px}
.tst-author .av{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--navy-3));color:var(--gold-2);display:grid;place-items:center;font-family:var(--font-head);font-weight:700}
.tst-author b{display:block;font-size:.95rem}
.tst-author span{font-size:.8rem;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:14px;overflow:hidden}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font-size:1.02rem;font-weight:600;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:var(--font-body)}
.faq-q i{color:var(--gold);transition:.3s}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted)}
.faq-a p{padding:0 24px 20px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:start}
.contact-info{background:var(--navy);color:#fff;border-radius:var(--radius);padding:42px;box-shadow:var(--shadow)}
.contact-info h3{color:#fff;font-size:1.7rem;margin-bottom:8px}
.contact-info >p{color:rgba(255,255,255,.7);margin-bottom:30px}
.ci-item{display:flex;gap:16px;margin-bottom:24px}
.ci-item .ic{width:46px;height:46px;border-radius:12px;background:var(--navy-3);color:var(--gold-2);display:grid;place-items:center;flex-shrink:0}
.ci-item b{display:block;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-2);margin-bottom:3px}
.ci-item p{font-size:.92rem;color:rgba(255,255,255,.85);margin:0}
.ci-socials{display:flex;gap:12px;margin-top:30px}
.ci-socials a{width:42px;height:42px;border-radius:50%;background:var(--navy-3);display:grid;place-items:center;color:#fff;transition:.25s}
.ci-socials a:hover{background:var(--gold);color:var(--navy)}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:42px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.82rem;font-weight:600;margin-bottom:7px;color:var(--ink)}
.field input,.field select,.field textarea{width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:10px;font-family:var(--font-body);font-size:.92rem;background:#fcfbf8;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);background:#fff;box-shadow:0 0 0 3px rgba(201,162,75,.15)}
.field textarea{resize:vertical;min-height:110px}
.alert{padding:14px 18px;border-radius:10px;margin-bottom:20px;font-size:.9rem}
.alert-success{background:#e8f6ec;color:#1c7a3f;border:1px solid #b7e3c4}
.alert-error{background:#fdeaea;color:#b13030;border:1px solid #f3c3c3}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#fff;padding:72px 0 0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:50px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-top h4{color:#fff;font-family:var(--font-body);font-size:.85rem;letter-spacing:.16em;text-transform:uppercase;margin-bottom:20px;color:var(--gold-2)}
.footer-top p{color:rgba(255,255,255,.7);font-size:.9rem;margin-bottom:12px}
.footer-top ul{list-style:none}
.footer-top li{margin-bottom:10px}
.footer-top a{color:rgba(255,255,255,.7);font-size:.9rem;transition:.2s}
.footer-top a:hover{color:var(--gold-2);padding-left:4px}
.footer-brand .brand-text b{font-size:1.4rem}
.footer-tagline{font-family:var(--font-head);font-style:italic;color:var(--gold-2);font-size:1.1rem;margin:18px 0}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;padding:24px 0;font-size:.82rem;color:rgba(255,255,255,.55)}
.footer-bottom .pulse{font-family:var(--font-head);color:var(--gold-2);letter-spacing:.18em}

/* ---------- Social / Follow Us ---------- */
.social-follow{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:48px}
.social-chip{display:inline-flex;align-items:center;gap:11px;padding:13px 26px;border-radius:50px;background:var(--navy);color:#fff;font-weight:500;transition:.25s}
.social-chip i{color:var(--gold-2);font-size:1.2rem;transition:.25s}
.social-chip:hover{background:linear-gradient(120deg,var(--gold),var(--gold-2));color:var(--navy);transform:translateY(-3px)}
.social-chip:hover i{color:var(--navy)}
.social-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:22px}
.social-post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s;display:block}
.social-post:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.social-post-img{height:240px;background:linear-gradient(135deg,var(--navy),var(--navy-3));background-size:cover;background-position:center;position:relative}
.social-post-badge{position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;color:var(--navy);font-size:1.1rem}
.social-post-cap{padding:16px 18px;font-size:.9rem;color:var(--ink);font-weight:500}

/* ---------- Success Popup ---------- */
.popup-overlay{position:fixed;inset:0;z-index:3000;display:flex;align-items:center;justify-content:center;padding:24px;
  background:rgba(10,20,40,.55);backdrop-filter:blur(8px);animation:popFade .35s ease}
.popup-card{background:#fff;border-radius:24px;width:min(460px,100%);padding:40px 38px 36px;text-align:center;position:relative;
  box-shadow:0 40px 90px -25px rgba(10,20,40,.6);animation:popIn .5s cubic-bezier(.2,.9,.25,1.2);border-top:5px solid var(--gold)}
.popup-close{position:absolute;top:16px;right:20px;background:none;border:none;font-size:1.8rem;line-height:1;color:var(--muted);cursor:pointer;transition:.2s}
.popup-close:hover{color:var(--navy);transform:rotate(90deg)}
.popup-anim{width:180px;height:180px;margin:-10px auto 6px}
.popup-anim lottie-player{width:100%;height:100%}
.popup-card h3{font-size:1.7rem;margin-bottom:10px}
.popup-card h3 + p{color:var(--muted);font-size:.96rem;margin-bottom:26px}
.popup-card .btn{min-width:160px;justify-content:center}
@keyframes popFade{from{opacity:0}to{opacity:1}}
@keyframes popIn{from{opacity:0;transform:translateY(30px) scale(.92)}to{opacity:1;transform:none}}
body.popup-open{overflow:hidden}

/* reveal animation */
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .about-grid,.contact-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .hero{background-attachment:scroll}
}
@media(max-width:760px){
  .section{padding:70px 0}
  /* Drop backdrop-filter on mobile: a filtered ancestor turns the fixed
     menu into an absolutely-positioned (contained) box, which hid its bg
     once the header was scrolled. Use a solid bg instead. */
  .site-header.scrolled{backdrop-filter:none;-webkit-backdrop-filter:none;background:var(--navy)}
  .nav-links{position:fixed;inset:0 0 0 auto;width:min(300px,80%);min-height:100vh;background:var(--navy-2);flex-direction:column;align-items:flex-start;padding:90px 30px;gap:22px;transform:translateX(100%);transition:.35s;box-shadow:-20px 0 60px rgba(0,0,0,.45);z-index:1090}
  .nav-links.open{transform:none}
  .nav-toggle{display:block;z-index:1100}
  /* Logo 30px smaller on mobile */
  .brand-logo{height:28px}
  .site-header.scrolled .brand-logo{height:28px}
  .form-row,.mv-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .hero-stats{gap:28px}
}