/* IITECH SI chat widget (staged) */
.sic{--y:#FFD400;--p:#7B2FF7;--bg:#0b0a14;font-family:inherit;position:fixed;z-index:95;inset-inline-end:max(1rem,env(safe-area-inset-right));bottom:calc(max(1rem,env(safe-area-inset-bottom)) + 74px)}
.sic *{box-sizing:border-box}
.sic-orb{position:relative;width:64px;height:64px;border:0;padding:0;border-radius:50%;cursor:pointer;background:transparent;perspective:400px;-webkit-tap-highlight-color:transparent}
.sic-orb .sic-ball{position:absolute;inset:0;border-radius:50%;transform-style:preserve-3d;
 background:radial-gradient(circle at 32% 28%,#fff8c4 0,var(--y) 22%,#f5a400 42%,var(--p) 78%,#2a0c63 100%);
 box-shadow:inset -8px -10px 18px rgba(30,0,70,.65),inset 6px 8px 14px rgba(255,255,255,.35),0 0 26px rgba(123,47,247,.55),0 0 46px rgba(255,212,0,.25);
 animation:sicFloat 4.2s ease-in-out infinite;transition:transform .3s}
.sic-orb .sic-ball::before{content:"";position:absolute;left:16%;top:12%;width:34%;height:24%;border-radius:50%;background:radial-gradient(ellipse,rgba(255,255,255,.9),rgba(255,255,255,0) 70%);transform:rotate(-25deg)}
.sic-orb .sic-ball::after{content:"SI";position:absolute;inset:0;display:grid;place-items:center;font:800 19px/1 system-ui,sans-serif;letter-spacing:.02em;color:#fff;text-shadow:0 2px 6px rgba(40,0,90,.8)}
.sic-orb .sic-shadow{position:absolute;left:12%;right:12%;bottom:-12px;height:10px;border-radius:50%;background:radial-gradient(ellipse,rgba(0,0,0,.55),transparent 70%);animation:sicShadow 4.2s ease-in-out infinite}
.sic-orb:hover .sic-ball,.sic-orb:focus-visible .sic-ball{transform:rotateX(14deg) rotateY(-16deg) scale(1.07)}
.sic-orb:focus-visible{outline:3px solid var(--y);outline-offset:6px}
.sic-tip{position:absolute;bottom:14px;inset-inline-end:76px;white-space:nowrap;background:rgba(20,14,40,.92);color:#fff;font-size:.82rem;padding:.45rem .75rem;border-radius:999px;border:1px solid rgba(255,212,0,.35);box-shadow:0 6px 18px rgba(0,0,0,.4);pointer-events:none}
@keyframes sicFloat{0%,100%{transform:translateY(0) rotateX(6deg) rotateY(-8deg)}50%{transform:translateY(-6px) rotateX(-4deg) rotateY(8deg)}}
@keyframes sicShadow{0%,100%{transform:scale(1);opacity:.9}50%{transform:scale(.8);opacity:.55}}
.sic-panel{position:fixed;inset-inline-end:max(1rem,env(safe-area-inset-right));bottom:calc(max(1rem,env(safe-area-inset-bottom)) + 150px);width:390px;max-height:min(640px,calc(100vh - 180px));display:flex;flex-direction:column;border-radius:22px;overflow:hidden;color:#f3f0ff;
 background:linear-gradient(160deg,rgba(40,22,80,.82),rgba(10,9,20,.9) 55%);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
 border:1px solid rgba(255,255,255,.12);box-shadow:0 30px 70px -20px rgba(0,0,0,.8),0 0 0 1px rgba(123,47,247,.25),0 0 40px rgba(123,47,247,.25);transform-origin:bottom right;transform:perspective(900px) rotateX(0);animation:sicIn .28s ease-out}
.sic-panel[hidden]{display:none}
[dir=rtl] .sic-panel{transform-origin:bottom left}
@keyframes sicIn{from{opacity:0;transform:perspective(900px) rotateX(10deg) translateY(16px) scale(.96)}to{opacity:1;transform:perspective(900px) rotateX(0) translateY(0) scale(1)}}
.sic-head{display:flex;align-items:center;gap:.7rem;padding:14px 14px 12px;background:linear-gradient(90deg,rgba(255,212,0,.16),rgba(123,47,247,.28));border-bottom:1px solid rgba(255,255,255,.1)}
.sic-av{width:38px;height:38px;flex:none;border-radius:50%;background:radial-gradient(circle at 32% 28%,#fff8c4 0,var(--y) 22%,#f5a400 42%,var(--p) 80%,#2a0c63);box-shadow:inset -4px -5px 9px rgba(30,0,70,.6),0 0 14px rgba(123,47,247,.6)}
.sic-title{flex:1;min-width:0}.sic-title b{display:block;font-size:1rem;color:#fff}.sic-title span{font-size:.74rem;color:rgba(255,255,255,.65)}
.sic-x{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:22px;line-height:1;cursor:pointer}
.sic-x:focus-visible,.sic-chip:focus-visible,.sic-cta:focus-visible,.sic-send:focus-visible,.sic-in:focus-visible{outline:2px solid var(--y);outline-offset:2px}
.sic-log{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;overscroll-behavior:contain}
.sic-m{max-width:88%;padding:.65rem .85rem;border-radius:16px;font-size:.9rem;line-height:1.5;overflow-wrap:anywhere}
.sic-m.bot{align-self:flex-start;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-start-start-radius:6px}
.sic-m.me{align-self:flex-end;background:linear-gradient(135deg,var(--p),#5b1fd0);color:#fff;border-start-end-radius:6px}
.sic-m ul{margin:.4rem 0 0;padding-inline-start:1.1rem}.sic-m li{margin:.15rem 0}
.sic-m a{color:var(--y)}
.sic-price{display:block;margin:.35rem 0;font-size:1.05rem;color:#fff}.sic-price b{color:var(--y)}
.sic-note{display:block;font-size:.76rem;color:rgba(255,255,255,.6);margin-top:.35rem}
.sic-chips{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 10px}
.sic-chip{border:1px solid rgba(255,212,0,.45);background:rgba(255,212,0,.07);color:#ffe766;border-radius:999px;padding:.42rem .75rem;font-size:.8rem;cursor:pointer;min-height:34px}
.sic-chip:hover{background:rgba(255,212,0,.18)}
.sic-foot{padding:10px 14px 12px;border-top:1px solid rgba(255,255,255,.1);background:rgba(0,0,0,.25)}
.sic-cta{display:flex;align-items:center;justify-content:center;gap:.4rem;width:100%;min-height:44px;margin-bottom:8px;border-radius:999px;font-weight:800;text-decoration:none;color:#1a0b33;background:linear-gradient(90deg,var(--y),#ffb800 45%,#b07bff);box-shadow:0 8px 22px -8px rgba(255,212,0,.7)}
.sic-form{display:flex;gap:8px}
.sic-in{flex:1;min-width:0;min-height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;padding:0 .8rem;font-size:16px}
.sic-send{min-width:56px;min-height:44px;border-radius:12px;border:0;background:var(--p);color:#fff;font-weight:700;cursor:pointer}
.sic-disc{margin:8px 0 0;font-size:.68rem;line-height:1.4;color:rgba(255,255,255,.5)}
.sic-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.sic.open .sic-tip{display:none}
@media (max-width:480px){
 .sic{bottom:calc(max(1rem,env(safe-area-inset-bottom)) + 70px)}
 .sic-tip{display:none}
 .sic-panel{inset:0;width:auto;max-height:none;height:100%;height:100dvh;border-radius:0;bottom:0}
 html.sic-lock,html.sic-lock body{overflow:hidden}
}
@media (prefers-reduced-motion:reduce){.sic-orb .sic-ball,.sic-orb .sic-shadow,.sic-panel{animation:none}.sic-orb .sic-ball{transition:none}}
.sic-panel.sic{z-index:2147483000}
@media (max-width:480px){html.sic-lock .sic:not(.sic-panel),html.sic-lock .wa-float{display:none}}
.primary-nav .nav-si{color:#FFD400}
/* IITECH SI nav item (v3) */
.primary-nav>a.nav-si{color:#FFD400;white-space:nowrap}
.si-pill{display:none;align-items:center;gap:.45rem;min-height:44px;padding:0 1rem;border-radius:999px;font-weight:800;font-size:.9rem;white-space:nowrap;text-decoration:none;color:#160a2e;background:linear-gradient(90deg,#FFD400,#ffb800 55%,#b98bff);box-shadow:0 8px 22px -10px rgba(255,212,0,.7)}
.si-pill:hover{color:#160a2e}
.si-pill:focus-visible,.primary-nav>a.nav-si:focus-visible{outline:3px solid #FFD400;outline-offset:3px}
@media (min-width:1024px){
 .primary-nav>a.nav-si{color:#FFE45C;background:linear-gradient(90deg,rgba(255,212,0,.14),rgba(123,47,247,.24));box-shadow:inset 0 0 0 1px rgba(255,212,0,.5)}
 .primary-nav>a.nav-si:hover{color:#fff;background:linear-gradient(90deg,rgba(255,212,0,.24),rgba(123,47,247,.34))}
 .primary-nav>a.nav-si[aria-current="page"]::after{background:#FFD400}
}
@media (min-width:1024px) and (max-width:1279px){
 .primary-nav{gap:.1rem}
 .primary-nav>a,.primary-nav .nav-trigger{padding:.5rem .62rem;font-size:.9rem}
}
@media (min-width:600px) and (max-width:1023px){.si-pill{display:inline-flex}}
@media (max-width:1023px){
 .primary-nav>a.nav-si{order:-1;color:#FFE45C;background:linear-gradient(90deg,rgba(255,212,0,.16),rgba(123,47,247,.30));border:1px solid rgba(255,212,0,.5);border-radius:14px;padding-inline:1rem;margin-bottom:.35rem}
 .primary-nav>a.nav-si::before{content:"";flex:none;width:22px;height:22px;margin-inline-end:.7rem;border-radius:50%;background:radial-gradient(circle at 32% 28%,#fff8c4 0,#FFD400 25%,#f5a400 45%,#7B2FF7 85%);box-shadow:0 0 12px rgba(123,47,247,.7)}
 .primary-nav>a.nav-si{justify-content:flex-start}
}
@media (min-width:1024px){.primary-nav>a,.primary-nav .nav-trigger{white-space:nowrap}}
@media (min-width:1024px) and (max-width:1199px){
 .header-cta .btn-book .btn-label{display:none}
 .header-cta .btn-book{width:46px;padding:0;justify-content:center}
}

/* v5: flat SI app icon (no 3D orb) */
.sic-orb{width:56px;height:56px;border-radius:16px;background:url(/si/icon/si-icon.svg) center/100% 100% no-repeat;perspective:none;box-shadow:0 10px 26px -8px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.12)}
.sic-orb .sic-ball,.sic-orb .sic-shadow{display:none}
.sic-orb:hover{filter:brightness(1.08)}
.si-pill{color:#000;background:#FFD400;box-shadow:none;gap:.5rem;padding-inline:.45rem 1rem}
.si-pill::before{content:"";flex:none;width:28px;height:28px;border-radius:8px;background:url(/si/icon/si-icon.svg) center/100% 100% no-repeat}
.si-pill:hover{color:#000;background:#ffe14d}
[dir=rtl] .si-pill{padding-inline:.45rem 1rem}
.primary-nav>a.nav-si::before{border-radius:6px!important;background:url(/si/icon/si-icon.svg) center/100% 100% no-repeat!important;box-shadow:none!important}
.sic-av{border-radius:10px!important;background:url(/si/icon/si-icon.svg) center/100% 100% no-repeat!important;box-shadow:none!important}
.sic-av::before,.sic-av::after{display:none!important}
.sic-panel{background:#0d0d0f!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important;box-shadow:0 30px 80px -30px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.12)!important}
.sic-panel::before,.sic-panel::after{display:none!important}
.sic-head{background:#141417!important}
.sic-cta{color:#000!important;background:#fff!important;box-shadow:none!important}
.sic-cta:hover{background:#e8e8e8!important}
.primary-nav>a.nav-si{background:transparent!important;box-shadow:inset 0 0 0 1px rgba(255,212,0,.55)!important}