/* ZINNI OPTIKA — shared page styles (sub-pages: about, account, track, policies)
   Matches store design tokens exactly */
:root{
  --navy:#000042; --navy-d:#00002e; --teal:#18C0A8; --teal-d:#0fa090;
  --teal-dim:rgba(24,192,168,.07); --teal-glow:rgba(24,192,168,.32);
  --bg:#F8FAFC; --white:#fff; --dark:#0F172A; --muted:#64748B;
  --border:rgba(15,23,42,.07); --line:rgba(15,23,42,.1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --r12:12px; --r16:16px; --r20:20px;
  --shadow:0 4px 24px rgba(0,0,66,.06); --shadow-lg:0 24px 60px rgba(0,0,66,.14);
  --nav-h:68px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth;background:var(--bg);-webkit-text-size-adjust:100%}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;background:var(--bg);color:var(--dark);overflow-x:hidden;-webkit-font-smoothing:antialiased;min-height:100vh}
h1,h2,h3{font-family:'Syne',sans-serif;font-weight:800;text-transform:uppercase;color:var(--navy);line-height:1.1;letter-spacing:-.02em}
em{font-family:'Instrument Serif',serif;font-style:italic;text-transform:none;font-weight:400}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:16px}
::selection{background:var(--teal);color:var(--navy)}

/* NAV (shared) */
.nav{position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(16px,4vw,48px);background:rgba(248,250,252,.85);backdrop-filter:blur(16px) saturate(160%);-webkit-backdrop-filter:blur(16px) saturate(160%);border-bottom:1px solid var(--border)}
.nav-logo{display:flex;align-items:center;gap:11px;font-family:'Syne',sans-serif;font-weight:800;font-size:19px;color:var(--navy);text-transform:uppercase;letter-spacing:.5px}
.nav-logo img{width:38px;height:38px;border-radius:10px;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{font-size:14px;font-weight:600;color:var(--dark);position:relative;transition:color .25s;padding:4px 0}
.nav-links a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--teal);transition:width .3s var(--ease-out)}
.nav-links a:hover{color:var(--navy)}.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--navy)}.nav-links a.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:6px}
.nav-btn{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.05rem;color:var(--navy);transition:background .25s}
.nav-btn:hover{background:var(--teal-dim)}
.burger{display:none}
@media(max-width:768px){.nav-links{display:none}.burger{display:flex}}

/* mobile nav */
.mnav{position:fixed;inset:0;z-index:1100;background:var(--navy-d);transform:translateX(100%);transition:transform .5s var(--ease-out);display:flex;flex-direction:column;padding:80px 32px 32px;visibility:hidden}
.mnav.open{transform:none;visibility:visible}
.mnav a{font-family:'Syne';font-weight:800;font-size:26px;color:#fff;text-transform:uppercase;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.08);transition:color .25s}
.mnav a:hover{color:var(--teal)}
.mnav-close{position:absolute;top:24px;right:24px;width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.08);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.3rem}

/* page shell */
.page-wrap{max-width:1100px;margin:0 auto;padding:calc(var(--nav-h) + 50px) clamp(16px,4vw,48px) 80px}
.page-head{text-align:center;margin-bottom:48px}
.page-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;color:var(--teal-d);margin-bottom:14px}
.page-head h1{font-size:clamp(34px,6vw,60px);margin-bottom:14px}
.page-head p{font-size:16px;color:var(--muted);max-width:560px;margin:0 auto;line-height:1.7}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:14px 28px;border-radius:99px;font-weight:700;font-size:14.5px;transition:transform .25s var(--ease-out),box-shadow .3s,background .25s}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--teal);color:var(--navy);transform:translateY(-2px);box-shadow:0 12px 30px var(--teal-glow)}
.btn-teal{background:var(--teal);color:var(--navy)}.btn-teal:hover{transform:translateY(-2px);box-shadow:0 12px 30px var(--teal-glow)}
.btn-ghost{background:transparent;color:var(--navy);border:1.5px solid var(--line)}.btn-ghost:hover{border-color:var(--navy);background:var(--navy);color:#fff}
.btn-block{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed}

/* card */
.card{background:var(--white);border-radius:var(--r20);box-shadow:var(--shadow);padding:28px}

/* footer (shared) */
footer{background:var(--navy-d);color:rgba(255,255,255,.7);padding:60px 0 28px}
.foot-wrap{max-width:1280px;margin:0 auto;padding:0 clamp(16px,4vw,48px)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:40px}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.foot-brand img{width:44px;height:44px;border-radius:12px}
.foot-brand span{font-family:'Syne';font-weight:800;font-size:22px;color:#fff;text-transform:uppercase}
.foot-col p{font-size:13.5px;line-height:1.8;margin-bottom:16px}
.foot-col h4{color:#fff;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}
.foot-col a{display:block;font-size:13.5px;padding:6px 0;transition:color .2s,padding-left .2s}
.foot-col a:hover{color:var(--teal);padding-left:5px}
.foot-social{display:flex;gap:10px;margin-top:6px}
.foot-social a{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem;transition:background .25s,transform .2s;padding:0}
.foot-social a:hover{background:var(--teal);color:var(--navy);transform:translateY(-2px)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:12.5px}
@media(max-width:1024px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.foot-grid{grid-template-columns:1fr}.foot-bottom{flex-direction:column;text-align:center}}

/* WhatsApp floating button (shared) */
.wa-float{position:fixed;bottom:24px;right:24px;width:60px;height:60px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(37,211,102,.4);z-index:900;transition:transform .25s;animation:waPulse 2.5s ease-in-out infinite}
.wa-float i{color:#fff;font-size:1.8rem}
.wa-float:hover{transform:scale(1.08)}
@keyframes waPulse{0%,100%{box-shadow:0 8px 24px rgba(37,211,102,.4)}50%{box-shadow:0 8px 24px rgba(37,211,102,.7),0 0 0 10px rgba(37,211,102,0)}}
@media(max-width:768px){.wa-float{width:54px;height:54px;bottom:18px;right:18px}.wa-float i{font-size:1.6rem}}

/* toast */
.ztoast-wrap{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:3000;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none}
.ztoast{background:var(--navy);color:#fff;padding:13px 22px;border-radius:99px;font-size:13.5px;font-weight:600;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:10px;animation:ztIn .4s var(--ease-out)}
.ztoast.ok{background:var(--teal);color:var(--navy)}.ztoast.err{background:#e11d48}
@keyframes ztIn{from{transform:translateY(20px);opacity:0}to{transform:none;opacity:1}}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease-out),transform .8s var(--ease-out);animation:revFb 0s linear 1.2s forwards}
.reveal.in{opacity:1;transform:none;animation:none}
@keyframes revFb{to{opacity:1;transform:none}}

/* ═══════════════════════════════════════════════════════════
   PREMIUM UI ENHANCEMENT — sub-pages (about/policies/track/account)
═══════════════════════════════════════════════════════════ */
.card,.btn,.order-card,.acc-stat,.feat{will-change:transform;backface-visibility:hidden}

/* magnetic glow buttons */
.btn{position:relative;overflow:hidden;isolation:isolate}
.btn::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at var(--mx,50%) var(--my,50%),rgba(255,255,255,.22),transparent 50%);opacity:0;transition:opacity .3s;z-index:-1}
.btn:hover::before{opacity:1}
.btn:active{transform:scale(.97)}

/* card hover lift */
@media(hover:hover) and (pointer:fine){
  .card{transition:transform .4s var(--ease-out),box-shadow .4s}
  .order-card:hover{transform:translateY(-4px)}
  .acc-stat{transition:transform .35s var(--ease-out),box-shadow .35s}
  .acc-stat:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
  .oc-btn{transition:transform .2s,border-color .2s,color .2s}
  .oc-btn:hover{transform:translateY(-2px)}
}

/* nav button spring */
.nav-btn{transition:background .25s,transform .25s var(--ease-out)}
.nav-btn:hover{transform:translateY(-2px) scale(1.05)}
.nav-btn:active{transform:scale(.95)}

/* policy tabs fill */
.pol-tab{position:relative;overflow:hidden;z-index:1}
.pol-tab::before{content:'';position:absolute;inset:0;background:var(--navy);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease-out);z-index:-1;border-radius:99px}
.pol-tab:hover::before{transform:scaleX(1)}
.pol-tab:hover{color:#fff;border-color:var(--navy)}

/* timeline dot glow */
.tl-step.current .tl-dot{box-shadow:0 0 0 4px rgba(0,0,66,.08)}

/* WhatsApp float — enhanced */
.wa-float{will-change:transform}
.wa-float:active{transform:scale(.92)}

/* about hero 3D */
@media(hover:hover) and (pointer:fine){
  .about-hero-img{transition:transform .5s var(--ease-out),box-shadow .5s}
  .about-hero-img:hover{transform:perspective(900px) rotateY(-3deg) scale(1.02);box-shadow:-16px 24px 60px rgba(0,0,66,.2)}
}

/* reduced motion */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}
@media(hover:none),(pointer:coarse){
  .card:active,.order-card:active{transform:scale(.99)}
}