/* ===== PosePro UX Enhance — mobile polish + premium effects (safe) ===== */
:root{--ease:cubic-bezier(.16,.84,.44,1)}
*{-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%}
img{-webkit-user-drag:none}

/* scroll progress bar */
#scrollbar{position:fixed;top:0;left:0;height:3px;width:0;z-index:80;background:linear-gradient(90deg,#b8ff61,#7ee0ff);box-shadow:0 0 10px rgba(184,255,97,.6);transition:width .12s linear}

/* nav elevates on scroll */
.nav{transition:box-shadow .3s,background .3s}
.nav.scrolled{box-shadow:0 10px 32px rgba(0,0,0,.5);background:rgba(5,6,6,.9)}

/* ---- scroll reveal: animation only, content visible by default (no pre-hide) ---- */
@keyframes fxUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}
.fx{animation:fxUp .7s var(--ease) both}
.fx.d1{animation-delay:.08s}.fx.d2{animation-delay:.16s}.fx.d3{animation-delay:.24s}

/* ---- buttons ---- */
.btn,.nav-cta,.store-btn,.aff-btn{transition:transform .18s var(--ease),box-shadow .25s var(--ease),filter .2s,border-color .2s}
.btn.primary,.nav-cta{box-shadow:0 8px 22px rgba(184,255,97,.22)}
.btn.primary:hover,.nav-cta:hover,.aff-btn:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(184,255,97,.45);filter:brightness(1.04)}
.btn:active,.nav-cta:active,.store-btn:active,.aff-btn:active{transform:scale(.97)}
.store-btn:not(.disabled):hover{transform:translateY(-2px);border-color:rgba(184,255,97,.5)}

/* ---- cards ---- */
.feature-grid article,.trust span{transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s}
.feature-grid article:hover,.trust span:hover{transform:translateY(-5px);border-color:rgba(184,255,97,.4);box-shadow:0 18px 42px rgba(0,0,0,.45)}
.feature-icon{transition:transform .3s var(--ease)}
.feature-grid article:hover .feature-icon{transform:scale(1.12) rotate(-3deg)}

/* ---- photo tiles ---- */
.photo-tiles img{transition:transform .4s var(--ease),filter .3s,box-shadow .3s}
.photo-tiles img:hover{transform:scale(1.07);filter:brightness(1.06);box-shadow:0 18px 44px rgba(0,0,0,.55);position:relative;z-index:2}

/* ---- founder ---- */
.founder img{transition:transform .4s var(--ease),box-shadow .4s}
.founder img:hover{transform:translateY(-5px);box-shadow:0 28px 64px rgba(184,255,97,.16)}
.founder-creds li{transition:transform .2s var(--ease),border-color .2s,background .2s}
.founder-creds li:hover{transform:translateY(-2px);border-color:rgba(184,255,97,.45);background:#1b1f1b}

/* ---- glow + shimmer accents ---- */
@keyframes glowPulse{0%,100%{box-shadow:0 0 24px rgba(184,255,97,.16)}50%{box-shadow:0 0 42px rgba(184,255,97,.4)}}
.free-badge{animation:glowPulse 2.8s ease-in-out infinite}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
.hero h1 span{background:linear-gradient(100deg,#b8ff61 30%,#eaffce 50%,#b8ff61 70%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;background-size:200% auto;animation:shimmer 5s linear infinite}
.social-ico{transition:transform .2s var(--ease),background .2s,color .2s,border-color .2s}
.social-ico:hover{transform:translateY(-3px) scale(1.06)}

/* ---- mobile sticky CTA bar ---- */
.mcta{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;gap:12px;align-items:center;justify-content:space-between;padding:10px 16px;padding-bottom:calc(10px + env(safe-area-inset-bottom));background:rgba(8,10,8,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid rgba(184,255,97,.28);transform:translateY(130%);transition:transform .4s var(--ease)}
.mcta.show{transform:none}
.mcta-txt{font-weight:800;font-size:.84rem;line-height:1.15;color:#d8ddd3}
.mcta-txt b{color:#b8ff61;display:block;font-size:1.02rem}
.mcta a{flex:0 0 auto;background:#b8ff61;color:#071005;font-weight:900;padding:13px 20px;border-radius:12px;box-shadow:0 8px 22px rgba(184,255,97,.45);white-space:nowrap}
.mcta a:active{transform:scale(.96)}

/* ---- mobile polish (iPhone / iOS / Android) ---- */
@media(max-width:860px){
  .mcta{display:flex}
  body.has-mcta{padding-bottom:86px}
  .cta-row .btn{flex:1 1 100%;text-align:center;padding:16px}
  .store-row{justify-content:center}
  .founder img{max-width:300px;margin:0 auto;display:block}
  .nav-cta{padding:10px 15px}
  .section h2,.pay-card h1{font-size:clamp(1.7rem,7vw,2.5rem)}
}
@media(max-width:480px){
  .trust{grid-template-columns:repeat(2,1fr)}
  .tiles{grid-template-columns:repeat(2,1fr)!important}
  .free-badge strong{font-size:2.4rem}
  .hero h1{font-size:2.55rem}
  .nav nav{display:none}
}

/* respect reduced motion */
@media(prefers-reduced-motion:reduce){
  .fx{animation:none!important}
  .free-badge{animation:none}
  .hero h1 span{animation:none;-webkit-text-fill-color:#b8ff61}
}

/* ===== update flag ===== */
.update-flag{display:inline-flex;align-items:center;gap:8px;margin:0 0 18px;padding:9px 15px;border:1px solid rgba(184,255,97,.5);border-radius:999px;background:rgba(184,255,97,.08);color:#eaffce;font-weight:800;font-size:.92rem;animation:glowPulse 3s ease-in-out infinite}
.update-flag b{color:#b8ff61}

/* ===== mobile: Founder (ảnh + giới thiệu anh) lên ĐẦU TIÊN ===== */
@media(max-width:860px){
  #top{display:flex;flex-direction:column}
  #top>#founder{order:-1;margin-top:16px}
  #top>#founder .founder img{max-width:260px}
}

/* ===== tablet / iPad ===== */
@media(min-width:861px) and (max-width:1024px){
  .hero{gap:30px}
  .tiles{grid-template-columns:repeat(4,1fr)}
  .app-proof{gap:14px}
}

/* ===== professional footer ===== */
.site-footer{border-top:1px solid rgba(255,255,255,.1);padding:56px clamp(18px,5vw,76px) 28px;color:#9aa39a;background:linear-gradient(180deg,rgba(184,255,97,.035),transparent 42%)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1.3fr;gap:42px;max-width:1180px;margin:0 auto}
.foot-brand .fbrand{display:inline-flex;gap:10px;align-items:center;font-weight:900;color:#fff;letter-spacing:.04em;margin-bottom:14px;font-size:1.18rem}
.foot-brand .fbrand img{width:36px;height:36px;border-radius:9px}
.foot-brand .fbrand b{color:#b8ff61}
.foot-brand p{line-height:1.65;max-width:340px;margin:0 0 18px;color:#9aa39a;font-size:.95rem}
.foot-col h4{color:#fff;font-size:.8rem;letter-spacing:.09em;text-transform:uppercase;margin:0 0 16px}
.foot-col a,.foot-col span{display:block;color:#9aa39a;margin-bottom:11px;line-height:1.5;transition:color .2s;font-size:.95rem}
.foot-col a:hover{color:#b8ff61}
.foot-store{margin-top:12px!important;color:#b8ff61!important;font-weight:800}
.site-footer .social-row{justify-content:flex-start;margin:4px 0 0}
.foot-bottom{max-width:1180px;margin:34px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;font-size:.86rem}
.foot-bottom a{color:#b8ff61;font-weight:800}
@media(max-width:860px){
  .foot-grid{grid-template-columns:1fr;gap:30px;text-align:center}
  .foot-brand p{margin-left:auto;margin-right:auto}
  .site-footer .social-row{justify-content:center}
  .foot-bottom{justify-content:center;text-align:center;flex-direction:column;gap:8px}
}