/* ====================================================================
   Index / Landing — UNISSASI v4
   ==================================================================== */

/* ── Scroll Progress Bar ── */
.scroll-progress{position:fixed;top:0;left:0;z-index:100;width:0;height:2px;background:var(--crimson);transition:width 60ms linear;pointer-events:none;}

/* ── Nav ── */
.idx-nav{position:fixed;top:0;left:0;right:0;z-index:70;padding:16px 0;background:linear-gradient(to bottom,rgba(26,26,24,.92),rgba(26,26,24,0));backdrop-filter:blur(2px);transition:background .3s var(--ease),border-color .3s var(--ease);border-bottom:1px solid transparent;}
.idx-nav.is-stuck{background:rgba(26,26,24,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(8px);}
.idx-nav__inner{max-width:var(--maxw);margin:0 auto;width:100%;padding:0 clamp(18px,4vw,48px);display:flex;align-items:center;justify-content:space-between;}
.idx-nav__left{display:flex;align-items:center;gap:clamp(10px,2vw,18px);}
.idx-nav__logo{display:flex;flex-direction:column;gap:1px;flex-shrink:0;}
.idx-nav__name{font-family:"Rajdhani",sans-serif;font-weight:700;font-size:1.2rem;letter-spacing:.22em;color:var(--gold);text-transform:lowercase;}
.idx-nav__sub{font-family:"Share Tech Mono",monospace;font-size:.55rem;letter-spacing:.18em;color:var(--crimson);text-transform:lowercase;}

/* Burger */
.idx-nav__burger{display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 8px 2px;cursor:pointer;background:none;border:none;transition:opacity .2s;}
.idx-nav__burger span:not(.idx-nav__burger-label){display:block;width:20px;height:1.5px;background:var(--off);transition:transform .3s var(--ease),opacity .2s;}
.idx-nav__burger.is-active span:nth-child(1){transform:translateY(5.5px) rotate(45deg);}
.idx-nav__burger.is-active span:nth-child(2){opacity:0;}
.idx-nav__burger.is-active span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg);}
.idx-nav__burger-label{font-family:"Share Tech Mono",monospace;font-size:.45rem;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-top:2px;line-height:1;}

/* Search */
.idx-nav__search{display:flex;align-items:center;justify-content:center;width:30px;height:30px;color:var(--muted);cursor:pointer;background:none;border:1px solid var(--line);transition:all .2s var(--ease);}
.idx-nav__search:hover,.idx-nav__search.is-active{color:var(--off);border-color:var(--crimson);background:rgba(29,158,117,.08);}
.idx-nav__right{display:flex;align-items:center;gap:clamp(10px,2vw,20px);}

/* Duck in nav */
.idx-nav__duck-wrap{width:30px;height:30px;overflow:visible;position:relative;}
.idx-nav__duck{width:30px;height:30px;object-fit:contain;opacity:.25;transition:opacity .4s ease,transform .5s ease;cursor:default;}
.idx-nav__duck:hover{opacity:1;}
.idx-nav__duck.peek{animation:duckPeek 1.6s ease-in-out;}
@keyframes duckPeek{0%,100%{transform:translateY(0) rotate(0);}25%{transform:translateY(10px) rotate(3deg);}50%{transform:translateY(12px) rotate(-2deg);}85%{transform:translateY(2px) rotate(0);}}

/* ── Mobile Menu ── */
.menu-overlay{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.55);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;}
.menu-overlay.is-open{opacity:1;visibility:visible;}
.mobile-menu{position:fixed;top:0;left:0;bottom:0;z-index:85;width:clamp(260px,70vw,320px);background:#1E1E1C;border-right:1px solid var(--line);transform:translateX(-100%);transition:transform .35s var(--ease);display:flex;flex-direction:column;}
.mobile-menu.is-open{transform:translateX(0);}
.mobile-menu__head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--line);}
.mobile-menu__brand{display:flex;flex-direction:column;gap:2px;}
.mobile-menu__name{font-family:"Rajdhani",sans-serif;font-weight:700;font-size:1.1rem;letter-spacing:.2em;color:var(--gold);text-transform:lowercase;}
.mobile-menu__sub{font-family:"Share Tech Mono",monospace;font-size:.5rem;letter-spacing:.16em;color:var(--crimson);}
.mobile-menu__close{font-size:.9rem;color:var(--muted);cursor:pointer;background:none;border:none;padding:4px;transition:color .2s;}
.mobile-menu__close:hover{color:var(--off);}
.mobile-menu__nav{flex:1;display:flex;flex-direction:column;padding:24px 0;}
.mobile-menu__link{font-family:"Share Tech Mono",monospace;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:14px 24px;text-decoration:none;border-left:2px solid transparent;transition:all .2s var(--ease);}
.mobile-menu__link:hover{color:var(--off);border-left-color:var(--crimson);background:rgba(29,158,117,.04);}

/* Language selector in burger menu */
.mobile-menu__lang{padding:16px 24px;border-top:1px solid var(--line);}
.mobile-menu__lang-label{font-family:"Share Tech Mono",monospace;font-size:.55rem;letter-spacing:.16em;color:var(--muted-2);text-transform:uppercase;display:block;margin-bottom:10px;}
.mobile-menu__lang-pills{display:flex;gap:5px;flex-wrap:wrap;}

.mobile-menu__footer{padding:16px 24px;border-top:1px solid var(--line);}
.mobile-menu__copy{font-family:"Share Tech Mono",monospace;font-size:.6rem;letter-spacing:.1em;color:var(--muted-2);}

/* ── Search Dropdown ── */
.search-dd{position:fixed;top:60px;left:0;right:0;z-index:75;pointer-events:none;opacity:0;transform:translateY(-8px);transition:opacity .25s var(--ease),transform .25s var(--ease);}
.search-dd.is-open{pointer-events:all;opacity:1;transform:translateY(0);}
.search-dd__inner{max-width:480px;margin:0 auto;background:#1E1E1C;border:1px solid var(--line);border-top:2px solid var(--crimson);display:flex;flex-direction:column;box-shadow:0 16px 48px rgba(0,0,0,.6);}
.search-dd__item{display:flex;align-items:center;gap:14px;padding:16px 22px;font-family:"Share Tech Mono",monospace;color:var(--off);border-bottom:1px solid var(--line-2);cursor:pointer;background:none;border-left:none;border-right:none;transition:all .2s var(--ease);text-align:left;}
.search-dd__item:last-child{border-bottom:none;}
.search-dd__item:hover{background:rgba(29,158,117,.06);}
.search-dd__code{font-size:.7rem;letter-spacing:.18em;color:var(--crimson);border:1px solid var(--crimson-dim);padding:4px 8px;flex-shrink:0;min-width:40px;text-align:center;}
.search-dd__name{font-family:"Rajdhani",sans-serif;font-weight:600;font-size:1.05rem;letter-spacing:.04em;flex:1;}
.search-dd__arrow{color:var(--muted-2);font-size:.8rem;transition:transform .2s var(--ease),color .2s;}
.search-dd__item:hover .search-dd__arrow{transform:translateX(4px);color:var(--crimson);}

/* ── Hero ── */
.idx-hero{position:relative;min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;padding:80px clamp(18px,4vw,48px) 0;}
.idx-hero__bg{position:absolute;inset:0;z-index:0;background:repeating-linear-gradient(135deg,rgba(211,209,199,.025) 0 14px,transparent 14px 28px),linear-gradient(160deg,#1E1E1A,#1A1A18);}
.idx-hero__scrim{position:absolute;inset:0;z-index:1;background:radial-gradient(ellipse 80% 60% at 30% 50%,rgba(29,158,117,.08),transparent 70%),radial-gradient(ellipse 60% 50% at 70% 60%,rgba(239,159,39,.04),transparent 60%),linear-gradient(to top,var(--black) 3%,transparent 40%);}
.idx-hero__content{position:relative;z-index:2;flex:1;max-width:780px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;}
.idx-hero__content .klabel{letter-spacing:.28em;margin-bottom:4px;}
.idx-hero__title{font-family:"Rajdhani",sans-serif;font-weight:700;font-size:clamp(2.2rem,6vw,4.2rem);line-height:1.05;letter-spacing:.01em;color:var(--off);text-wrap:balance;}
.idx-hero__title .gold{color:var(--gold);}
.idx-hero__sub{font-size:clamp(1rem,2vw,1.25rem);color:var(--muted);font-weight:400;max-width:44ch;line-height:1.5;text-wrap:balance;}

/* AI assistants line */
.idx-hero__ai-line{
  font-family:"Share Tech Mono",monospace;font-size:.76rem;
  letter-spacing:.08em;color:#5DCAA5;
  margin-top:4px;
}
.idx-hero__cta{display:inline-flex;align-items:center;gap:8px;font-family:"Share Tech Mono",monospace;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;background:var(--gold);color:#1A1A18;padding:16px 32px;margin-top:10px;text-decoration:none;transition:all .25s var(--ease);animation:ctaPulse 3s ease-in-out infinite;}
.idx-hero__cta:hover{background:#f5b340;transform:translateY(-2px);box-shadow:0 10px 30px rgba(239,159,39,.3);animation:none;}
@keyframes ctaPulse{0%,100%{box-shadow:0 0 0 0 rgba(29,158,117,0);}40%{box-shadow:0 0 0 14px rgba(29,158,117,.15);}80%{box-shadow:0 0 0 0 rgba(29,158,117,0);}}

/* ── Route Bar ── */
.route-bar{position:relative;z-index:2;width:100%;margin-top:auto;padding:0 clamp(18px,4vw,48px) clamp(18px,3vh,32px);}
.route-bar__inner{position:relative;height:72px;max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;}
.route-bar__line{position:absolute;top:50%;left:4%;right:4%;height:2px;transform:translateY(-50%);background:repeating-linear-gradient(90deg,var(--crimson) 0 8px,transparent 8px 14px);opacity:.55;}
.route-bar__stop{position:absolute;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:6px;cursor:default;z-index:2;}
.route-bar__icon{width:38px;height:38px;border:1px solid rgba(29,158,117,.4);background:var(--navy);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem;line-height:1;transition:all .35s var(--ease);}
.route-bar__stop:hover .route-bar__icon{border-color:var(--gold);box-shadow:0 0 18px rgba(239,159,39,.25),0 0 6px rgba(239,159,39,.15);transform:scale(1.1);animation:iconBounce .45s ease;}
@keyframes iconBounce{0%,100%{transform:scale(1.1);}40%{transform:scale(1.25) translateY(-4px);}70%{transform:scale(1.05) translateY(1px);}}
.route-bar__label{font-family:"Share Tech Mono",monospace;font-size:.55rem;letter-spacing:.16em;color:var(--muted-2);text-transform:uppercase;transition:color .3s;}
.route-bar__stop:hover .route-bar__label{color:var(--gold);}
.route-bar__duck{position:absolute;top:50%;z-index:3;transform:translate(-50%,-50%);pointer-events:none;transition:left .15s linear;}
.route-bar__duck.is-running{transition:left .6s cubic-bezier(.16,.84,.36,1);}
.route-bar__duck img{width:26px;height:26px;object-fit:contain;filter:drop-shadow(0 2px 6px rgba(29,158,117,.2));transition:opacity .4s ease;}

/* ── Destinations ── */
.idx-dest{position:relative;max-width:var(--maxw);margin:0 auto;padding:clamp(32px,6vh,64px) clamp(18px,4vw,48px) clamp(40px,6vh,80px);}
.idx-dest__head{margin-bottom:clamp(28px,5vh,48px);text-align:center;}
.idx-dest__head .klabel{font-size:.78rem;letter-spacing:.24em;}
.idx-dest__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.dest-card{position:relative;overflow:hidden;border:1px solid var(--navy-2,#2E2E28);background:#242420;display:flex;flex-direction:column;text-decoration:none;color:inherit;transition:all .35s var(--ease);}
.dest-card::after{content:"";position:absolute;top:0;left:0;width:0;height:2px;background:var(--crimson);transition:width .4s var(--ease);z-index:3;}
.dest-card:hover{border-color:#3A3A34;transform:translateY(-5px);box-shadow:0 16px 48px rgba(0,0,0,.45);}
.dest-card:hover::after{width:100%;}
.dest-card__img{aspect-ratio:16/9;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;background-size:120% 120%;background-position:center;transition:background-position .1s linear;}
.dest-card__img--arg{background-image:url('images/argcard.jpg');background-size:cover;background-position:center;}
.dest-card__img--ni{background-image:url('images/nicard.jpg');background-size:cover;background-position:center;}
.dest-card__img--ie{background-image:url('images/iecard.JPG');background-size:cover;background-position:center;}
.dest-card__img--rs{background-image:url('images/serbiacard.png');background-size:cover;background-position:center;}
.dest-card__body{padding:24px;display:flex;flex-direction:column;gap:10px;}
.dest-card__code{font-family:"Share Tech Mono",monospace;font-size:.72rem;letter-spacing:.2em;color:var(--crimson);}
.dest-card__code::before{content:"// ";opacity:.5;}
.dest-card__name{font-family:"Rajdhani",sans-serif;font-weight:700;font-size:1.6rem;letter-spacing:.02em;color:var(--off);line-height:1.1;}
.dest-card__desc{font-size:.92rem;color:var(--muted);font-weight:400;line-height:1.55;max-width:40ch;}
.dest-card__time{font-family:"Share Tech Mono",monospace;font-size:.6rem;letter-spacing:.1em;color:var(--muted-2);}
.dest-card__go{display:flex;align-items:center;gap:6px;margin-top:4px;font-family:"Share Tech Mono",monospace;font-size:.66rem;letter-spacing:.1em;color:var(--crimson);text-transform:uppercase;}
.dest-card__go .arr{transition:transform .25s var(--ease);}
.dest-card:hover .dest-card__go .arr{transform:translateX(5px);}

/* ── Why ── */
.idx-why{border-top:1px solid var(--line);max-width:var(--maxw);margin:0 auto;padding:clamp(56px,9vh,96px) clamp(18px,4vw,48px);}
.idx-why__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,48px);}
.idx-why__col h3{font-family:"Rajdhani",sans-serif;font-weight:700;font-size:1.2rem;letter-spacing:.02em;color:var(--off);margin-bottom:12px;}
.idx-why__col p{font-size:.92rem;color:var(--muted);font-weight:400;line-height:1.6;max-width:34ch;}

/* ── Footer ── */
.idx-footer{max-width:var(--maxw);margin:0 auto;padding:32px clamp(18px,4vw,48px) 44px;border-top:1px solid var(--line);background:rgba(36,36,32,.55);display:flex;align-items:center;justify-content:space-between;}
.idx-footer__copy{font-family:"Share Tech Mono",monospace;font-size:.7rem;letter-spacing:.12em;color:var(--muted-2);}
.idx-footer__duck-link{display:block;text-decoration:none;line-height:0;}
.idx-footer__duck{width:54px;height:54px;object-fit:contain;opacity:.12;transition:opacity .5s ease,transform .5s ease;cursor:pointer;}
.idx-footer__duck:hover{opacity:.85;transform:rotate(-4deg) scale(1.05);}

/* ── Back to Top ── */
.back-top{position:fixed;bottom:28px;right:28px;z-index:60;background:var(--navy);border:1px solid rgba(29,158,117,.35);padding:8px 14px;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .35s ease,visibility .35s ease,transform .35s ease,border-color .2s ease,background .2s ease;box-shadow:0 4px 16px rgba(0,0,0,.4);}
.back-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{border-color:var(--crimson);background:rgba(29,158,117,.1);}
.back-top__text{font-family:"Share Tech Mono",monospace;font-size:.65rem;letter-spacing:.12em;color:var(--muted);text-transform:uppercase;pointer-events:none;white-space:nowrap;}
.back-top:hover .back-top__text{color:var(--off);}



/* ── Responsive ── */
@media (max-width:860px){.idx-dest__grid{grid-template-columns:1fr;}.idx-why__grid{grid-template-columns:1fr;gap:32px;}}
@media (max-width:700px){.idx-hero__title{font-size:clamp(1.8rem,7vw,2.8rem);}.route-bar__label{display:none;}}
@media (max-width:480px){.idx-nav__inner{padding:0 16px;}.idx-nav__name{font-size:1rem;letter-spacing:.16em;}.idx-nav__sub{font-size:.5rem;}.route-bar__icon{width:32px;height:32px;font-size:.85rem;}.route-bar__duck img{width:22px;height:22px;}}