/* ============================================================
   BiletBangla Travels — premium styles
   Brand: cyan #00ade3 · deep blue #2d409a · warm gradient
   ============================================================ */
:root{
  --cyan:#00ade3;
  --blue:#2d409a;
  --blue-deep:#0d2a6b;
  --ink:#0f1b3d;
  --muted:#5a6b8c;
  --line:#e6ecf5;
  --bg:#f4f8fd;
  --white:#fff;
  --grad:linear-gradient(100deg,#fdc70c 0%,#f3903f 55%,#e93e3a 100%);
  --grad-blue:linear-gradient(120deg,#00ade3 0%,#2d409a 100%);
  --shadow:0 20px 50px -20px rgba(13,42,107,.35);
  --shadow-sm:0 10px 30px -14px rgba(13,42,107,.35);
  --r:18px;
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Plus Jakarta Sans',system-ui,-apple-system,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:'Sora','Plus Jakarta Sans',sans-serif;line-height:1.12;font-weight:800;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--container),92%);margin-inline:auto}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- buttons ---------- */
.btn{
  --pad:.85rem 1.5rem;
  display:inline-flex;align-items:center;gap:.5rem;justify-content:center;
  padding:var(--pad);border-radius:100px;font-weight:700;font-size:.95rem;
  cursor:pointer;border:none;transition:transform .25s ease,box-shadow .25s ease,background .25s;
  white-space:nowrap;
}
.btn--gradient{background:var(--grad);color:#3a1500;box-shadow:0 12px 26px -10px rgba(233,62,58,.6)}
.btn--gradient:hover{transform:translateY(-3px);box-shadow:0 18px 34px -10px rgba(233,62,58,.7)}
.btn--ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.5);backdrop-filter:blur(6px)}
.btn--ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-3px)}
.btn--lg{--pad:1.05rem 2rem;font-size:1.02rem}

/* ---------- top bar ---------- */
.topbar{background:var(--blue-deep);color:#dce7ff;font-size:.83rem}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;height:40px;flex-wrap:wrap;gap:.5rem}
.topbar__left{display:flex;gap:.6rem;align-items:center;opacity:.9}
.topbar__left .dot{opacity:.5}
.topbar__right{display:flex;gap:1.2rem;align-items:center}
.topbar__right a:hover{color:#fff}
.topbar__phone{font-weight:700;color:#fff}
@media(max-width:640px){.topbar__left{display:none}}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.nav.scrolled{box-shadow:var(--shadow-sm)}
.nav__inner{display:flex;align-items:center;gap:1.5rem;height:130px}
.brand{display:flex;align-items:center;gap:.6rem}
.brand__logo{height:108px;width:auto}
.brand__text{display:flex;flex-direction:column;line-height:1}
.brand__text strong{font-family:'Sora';font-size:1.2rem;color:var(--blue);letter-spacing:-.02em}
.brand__text em{font-style:normal;font-size:.72rem;letter-spacing:.32em;text-transform:uppercase;color:var(--cyan);font-weight:700}
.menu{display:flex;gap:1.6rem;margin-left:auto}
.menu a{font-weight:600;font-size:.95rem;color:var(--ink);position:relative;padding:.3rem 0}
.menu a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--grad);transition:width .3s}
.menu a:hover{color:var(--blue)}
.menu a:hover::after{width:100%}
.nav__cta{margin-left:.4rem}
.burger{display:none;background:none;border:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.burger span{width:26px;height:2.5px;background:var(--ink);border-radius:2px;transition:.3s}
.burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

@media(max-width:940px){
  .menu{position:fixed;inset:170px 0 auto 0;flex-direction:column;background:#fff;padding:1.4rem 6%;gap:.2rem;
    box-shadow:var(--shadow);transform:translateY(-140%);transition:transform .35s;margin:0}
  .menu.open{transform:translateY(0)}
  .menu a{padding:.9rem 0;border-bottom:1px solid var(--line)}
  .nav__cta{margin-left:auto}
  .burger{display:flex}
}
@media(max-width:520px){.nav__cta{display:none}}

/* ---------- hero ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero__slides{position:absolute;inset:0;z-index:0}
.slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease;background:var(--img) center/cover no-repeat;transform:scale(1.05)}
.slide.is-active{opacity:1;animation:kenburns 8s ease-out forwards}
@keyframes kenburns{from{transform:scale(1.05)}to{transform:scale(1.16)}}
.slide__overlay{position:absolute;inset:0;background:
  linear-gradient(105deg,rgba(9,24,64,.9) 0%,rgba(13,42,107,.6) 45%,rgba(0,74,120,.25) 100%)}
.hero__content{position:relative;z-index:2;width:min(var(--container),92%)}
.hero__inner{max-width:640px}
.hero__eyebrow{display:inline-block;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  padding:.4rem 1rem;border-radius:100px;font-weight:600;font-size:.82rem;letter-spacing:.04em;margin-bottom:1.2rem;backdrop-filter:blur(6px)}
.hero__title{font-size:clamp(2.6rem,6vw,4.6rem);margin-bottom:1.1rem}
.hero__title .line{display:block;overflow:hidden}
.hero__sub{font-size:clamp(1.05rem,2vw,1.3rem);opacity:.94;margin-bottom:2rem;font-weight:500}
.rotator{display:inline-block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.hero__actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2.4rem}
.hero__trust{display:flex;gap:2.2rem;flex-wrap:wrap}
.hero__trust div{display:flex;flex-direction:column}
.hero__trust strong{font-family:'Sora';font-size:1.4rem}
.hero__trust span{font-size:.82rem;opacity:.8}

/* scroll progress bar (top of page) */
.scroll-progress{position:fixed;top:0;left:0;height:4px;width:0;z-index:100;background:var(--grad);
  box-shadow:0 0 12px rgba(233,62,58,.5);transition:width .1s linear}

/* animated hero scroll indicator */
.hero__scroll{position:absolute;right:30px;bottom:118px;z-index:3;display:flex;flex-direction:column;
  align-items:center;gap:12px;color:#fff;text-decoration:none;transition:opacity .4s ease}
.hero__scroll-num{font-family:'Sora',sans-serif;font-weight:700;font-size:1.05rem;letter-spacing:1px}
.hero__scroll-num b{color:#fdc70c}
.hero__scroll-track{position:relative;width:2px;height:64px;background:rgba(255,255,255,.35);border-radius:2px;overflow:hidden}
.hero__scroll-dot{position:absolute;top:0;left:50%;transform:translateX(-50%);width:8px;height:8px;border-radius:50%;
  background:#fdc70c;box-shadow:0 0 10px #fdc70c;animation:scrolldot 1.9s cubic-bezier(.7,0,.3,1) infinite}
@keyframes scrolldot{0%{top:-8px;opacity:0}15%{opacity:1}85%{opacity:1}100%{top:64px;opacity:0}}
.hero__scroll-word{writing-mode:vertical-rl;text-orientation:mixed;font-weight:700;font-size:.72rem;
  letter-spacing:.35em;text-transform:uppercase;opacity:.85}
@media(max-width:1080px){.hero__scroll{display:none}}

/* rotating logo badge */
.hero__badge{position:absolute;right:6%;top:48%;transform:translateY(-50%);
  width:min(30vw,330px);aspect-ratio:1;z-index:2;display:grid;place-items:center;
  filter:drop-shadow(0 22px 45px rgba(4,16,45,.5))}
.hero__badge-ring{position:absolute;inset:0;animation:spin 22s linear infinite}
.hero__badge-ring svg{width:100%;height:100%;overflow:visible}
.ring-text{fill:#fff;font-family:'Sora',sans-serif;font-weight:700;font-size:12.5px}
.ring-em{fill:#fdc70c}
.hero__badge-core{position:relative;width:64%;height:64%;border-radius:50%;background:#fff;
  display:grid;place-items:center;box-shadow:0 0 0 8px rgba(255,255,255,.18),inset 0 0 0 4px rgba(0,173,227,.18)}
.hero__badge-core img{width:82%;height:82%;object-fit:contain}
@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:1080px){
  .hero__badge{width:150px;right:18px;top:auto;bottom:auto;margin-top:90px;transform:none;
    filter:drop-shadow(0 12px 24px rgba(4,16,45,.5))}
  .ring-text{font-size:14px;letter-spacing:1.2px}
}
@media(max-width:540px){.hero__badge{width:124px;right:12px}.ring-text{font-size:16px;letter-spacing:1px}}
@media(prefers-reduced-motion:reduce){.hero__badge-ring{animation:none}}

.hero__dots{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);display:flex;gap:.6rem;z-index:3}
.hero__dots button{width:11px;height:11px;border-radius:50%;border:2px solid #fff;background:transparent;cursor:pointer;padding:0;transition:.3s}
.hero__dots button.active{background:#fff;width:30px;border-radius:100px}
.hero__arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.35);color:#fff;width:52px;height:52px;border-radius:50%;font-size:1.8rem;
  cursor:pointer;backdrop-filter:blur(6px);transition:.3s;display:grid;place-items:center;line-height:1}
.hero__arrow:hover{background:rgba(255,255,255,.28)}
.hero__arrow--prev{left:22px}.hero__arrow--next{right:22px}
/* only show side arrows when the page has outer margin for them (else they overlap the headline) */
@media(max-width:1304px){.hero__arrow{display:none}}

/* reveal animation */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
[data-reveal].in{opacity:1;transform:none}
.hero [data-reveal]{transition-delay:.15s}
.hero [data-reveal]:nth-child(2){transition-delay:.3s}
.hero [data-reveal]:nth-child(3){transition-delay:.45s}
.hero [data-reveal]:nth-child(4){transition-delay:.6s}
.hero [data-reveal]:nth-child(5){transition-delay:.75s}

/* ---------- search card ---------- */
.search{margin-top:-70px;position:relative;z-index:20}
.search__card{background:#fff;border-radius:24px;box-shadow:var(--shadow);padding:1.4rem;border:1px solid var(--line)}
.search__tabs{display:flex;gap:.4rem;margin-bottom:1.1rem}
.tab{background:transparent;border:none;padding:.55rem 1.1rem;border-radius:100px;font-weight:700;color:var(--muted);cursor:pointer;font-size:.9rem;transition:.25s}
.tab.is-active{background:var(--grad-blue);color:#fff}
.search__form{display:grid;grid-template-columns:1.3fr auto 1.3fr 1fr 1fr 1.3fr auto;gap:.7rem;align-items:end}
.field{display:flex;flex-direction:column;gap:.35rem;min-width:0}
.field label{font-size:.75rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;padding-left:.2rem}
.field__box{display:flex;align-items:center;gap:.5rem;background:var(--bg);border:1.5px solid var(--line);border-radius:12px;padding:.7rem .8rem;transition:.25s}
.field__box:focus-within{border-color:var(--cyan);background:#fff;box-shadow:0 0 0 4px rgba(0,173,227,.12)}
.field__icon{font-size:1rem}
.field__box input,.field__box select,.field__box textarea{border:none;background:transparent;outline:none;font:inherit;color:var(--ink);width:100%;font-weight:600}
.field__box textarea{resize:vertical;font-weight:500}
.field__box select{cursor:pointer}
.swap{align-self:end;margin-bottom:.35rem;background:var(--grad-blue);color:#fff;border:none;width:38px;height:38px;border-radius:50%;font-size:1rem;cursor:pointer;transition:.3s;flex:none}
.swap:hover{transform:rotate(180deg)}
.search__submit{height:52px;align-self:end}
.search__note{margin-top:1rem;padding:.9rem 1.1rem;background:rgba(0,173,227,.08);border-left:3px solid var(--cyan);border-radius:8px;font-weight:600;color:var(--blue)}
@media(max-width:1080px){
  .search__form{grid-template-columns:1fr 1fr}
  .swap{display:none}
  .search__submit{grid-column:1/-1}
}
@media(max-width:560px){.search__form{grid-template-columns:1fr}}

/* ---------- section head ---------- */
.sec-head{text-align:center;max-width:640px;margin:0 auto 3rem}
.sec-head__kick{display:inline-block;font-weight:800;letter-spacing:.18em;text-transform:uppercase;font-size:.78rem;color:var(--cyan);margin-bottom:.7rem}
.sec-head__kick.light{color:#ffd36b}
.sec-head h2{font-size:clamp(1.9rem,4vw,2.9rem)}
.sec-head p{color:var(--muted);margin-top:.8rem}

/* ---------- features ---------- */
.features{padding:5rem 0 1rem}
.features__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.8rem 1.5rem;box-shadow:var(--shadow-sm);transition:.3s}
.feature:hover{transform:translateY(-6px);border-color:transparent;box-shadow:var(--shadow)}
.feature__ico{width:56px;height:56px;display:grid;place-items:center;font-size:1.6rem;border-radius:14px;background:var(--grad-blue);margin-bottom:1rem}
.feature h3{font-size:1.15rem;margin-bottom:.4rem}
.feature p{color:var(--muted);font-size:.92rem}
@media(max-width:900px){.features__grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.features__grid{grid-template-columns:1fr}}

/* ---------- destinations ---------- */
.dest{padding:5.5rem 0}
.dest__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.card{position:relative;border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm);transition:.35s;cursor:pointer;isolation:isolate}
.card__img{height:230px;background:var(--bg) center/cover no-repeat,var(--grad-blue);transition:transform .6s ease}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.card:hover .card__img{transform:scale(1.09)}
.card__body{padding:1.2rem 1.3rem 1.4rem;position:relative}
.card__tag{position:absolute;top:-15px;left:1.3rem;background:var(--grad);color:#3a1500;font-size:.72rem;font-weight:800;padding:.3rem .8rem;border-radius:100px;box-shadow:var(--shadow-sm)}
.card__body h3{font-size:1.3rem;margin-top:.3rem}
.card__body p{color:var(--muted);font-size:.9rem}
.card__foot{display:flex;align-items:baseline;gap:.4rem;margin-top:.9rem;padding-top:.9rem;border-top:1px dashed var(--line)}
.card__foot span{font-size:.82rem;color:var(--muted)}
.card__foot strong{font-family:'Sora';font-size:1.4rem;color:var(--blue);margin-left:auto}
@media(max-width:1000px){.dest__grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.dest__grid{grid-template-columns:1fr}}

/* ---------- umrah banner ---------- */
.umrah{position:relative;padding:6rem 0;color:#fff;text-align:center;background:var(--bg) center/cover no-repeat;overflow:hidden}
.umrah{background:var(--bg)}
.umrah::before{content:"";position:absolute;inset:0;background:var(--bg);background-image:var(--bg);background-size:cover;background-position:center}
.umrah__overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(9,24,64,.86),rgba(13,42,107,.9));z-index:1}
.umrah__inner{position:relative;z-index:2;max-width:640px;margin:0 auto}
.umrah__inner h2{font-size:clamp(2rem,4vw,3rem);margin:.6rem 0 1rem}
.umrah__inner p{opacity:.92;margin-bottom:1.8rem}

/* ---------- services ---------- */
.services{padding:5.5rem 0;background:linear-gradient(180deg,#fff,var(--bg))}
.services__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.service{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:2rem 1.7rem;transition:.3s;position:relative;overflow:hidden}
.service span{font-size:2rem;display:inline-block;margin-bottom:.8rem}
.service h3{font-size:1.2rem;margin-bottom:.4rem}
.service p{color:var(--muted);font-size:.92rem}
.service::before{content:"";position:absolute;left:0;top:0;height:4px;width:0;background:var(--grad);transition:width .4s}
.service:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.service:hover::before{width:100%}
@media(max-width:860px){.services__grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.services__grid{grid-template-columns:1fr}}

/* ---------- why us ---------- */
.why{padding:5.5rem 0}
.why__grid{display:grid;grid-template-columns:1.1fr 1fr;gap:3.5rem;align-items:center}
.why__text h2{font-size:clamp(1.9rem,3.5vw,2.7rem);margin:.5rem 0 1rem}
.why__text>p{color:var(--muted);margin-bottom:1.4rem}
.why__list{list-style:none;display:grid;gap:.7rem;margin-bottom:1.8rem}
.why__list li{font-weight:600}
.why__stats{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.stat{background:var(--grad-blue);color:#fff;border-radius:var(--r);padding:2rem 1.5rem;text-align:center;box-shadow:var(--shadow-sm)}
.stat:nth-child(2),.stat:nth-child(3){background:linear-gradient(135deg,#0d2a6b,#00ade3)}
.stat strong{font-family:'Sora';font-size:2.4rem;display:block;line-height:1}
.stat span{font-size:.88rem;opacity:.9;margin-top:.4rem;display:block}
@media(max-width:860px){.why__grid{grid-template-columns:1fr;gap:2.4rem}}

/* ---------- enquiry ---------- */
.enquiry{padding:5.5rem 0;background:var(--blue-deep);color:#fff}
.enquiry__grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:3rem;align-items:start}
.enquiry__info h2{font-size:clamp(1.8rem,3.5vw,2.6rem);margin:.5rem 0 1rem}
.enquiry__info>p{opacity:.86;margin-bottom:1.6rem}
.enquiry__contact{list-style:none;display:grid;gap:1rem}
.enquiry__contact li{display:flex;align-items:center;gap:.7rem;font-weight:600}
.enquiry__contact span{width:40px;height:40px;display:grid;place-items:center;background:rgba(255,255,255,.1);border-radius:12px}
.enquiry__contact a:hover{color:#ffd36b}
.enquiry__form{background:#fff;color:var(--ink);border-radius:22px;padding:1.8rem;box-shadow:var(--shadow)}
.enquiry__form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}
.enquiry__form .field{margin-bottom:0}
.enquiry__form .field:not(.row .field){margin-bottom:1rem}
.enquiry__submit{width:100%;margin-top:.3rem}
.enquiry__ok{margin-top:1rem;padding:.9rem;background:rgba(0,173,227,.1);border-radius:10px;color:var(--blue);font-weight:600;text-align:center}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}
@media(max-width:860px){.enquiry__grid{grid-template-columns:1fr}.enquiry__form .row{grid-template-columns:1fr}}

/* ---------- footer ---------- */
.footer{background:#08122e;color:#c7d3ea;padding-top:3.5rem}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:2rem;padding-bottom:2.5rem}
.footer .brand__text strong{color:#fff}
.footer__brand p{margin-top:1rem;font-size:.92rem;opacity:.75;max-width:280px}
.footer__col h4{color:#fff;font-size:1rem;margin-bottom:1rem}
.footer__col a{display:block;padding:.35rem 0;font-size:.92rem;opacity:.8;transition:.2s}
.footer__col a:hover{opacity:1;color:var(--cyan);padding-left:4px}
.footer__bar{border-top:1px solid rgba(255,255,255,.1)}
.footer__bar-inner{display:flex;justify-content:space-between;padding:1.3rem 0;font-size:.85rem;opacity:.7;flex-wrap:wrap;gap:.5rem}
@media(max-width:820px){.footer__grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer__grid{grid-template-columns:1fr}}

/* ---------- floating call button ---------- */
.fab{position:fixed;right:20px;bottom:20px;z-index:70;width:58px;height:58px;border-radius:50%;
  background:var(--grad);display:grid;place-items:center;font-size:1.5rem;box-shadow:0 12px 30px -8px rgba(233,62,58,.7);
  animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(233,62,58,.55)}70%{box-shadow:0 0 0 18px rgba(233,62,58,0)}100%{box-shadow:0 0 0 0 rgba(233,62,58,0)}}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  [data-reveal]{opacity:1;transform:none}
}