/* 3 Patti Pearl — teenpattipearl.pk */
:root{
  --navy:#0a2d4d;--navy2:#0d3a63;--teal:#12a5a0;--gold:#ffb400;--gold2:#ff9100;
  --bg:#f4f8fb;--card:#ffffff;--text:#22313f;--muted:#5b6b7a;--line:#e2ebf2;
  --radius:14px;--shadow:0 4px 18px rgba(10,45,77,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1080px;margin:0 auto;padding:0 18px}

/* Header */
header{background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 60%,#0e4a7c 100%);position:sticky;top:0;z-index:50;box-shadow:0 2px 10px rgba(0,0,0,.25)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:62px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.15rem;text-decoration:none;white-space:nowrap}
.brand img{width:40px;height:40px;border-radius:50%;border:2px solid var(--gold)}
.brand span b{color:var(--gold)}
#menu-toggle{display:none}
.hamburger{display:none;cursor:pointer;padding:8px;border:1px solid rgba(255,255,255,.3);border-radius:8px}
.hamburger span{display:block;width:22px;height:2px;background:#fff;margin:5px 0;border-radius:2px}
nav ul{display:flex;list-style:none;gap:4px;align-items:center;flex-wrap:wrap}
nav ul a{color:#dce9f5;font-weight:600;font-size:.95rem;padding:8px 12px;border-radius:8px;display:block}
nav ul a:hover,nav ul a.active{background:rgba(255,255,255,.12);color:#fff;text-decoration:none}
nav ul a.nav-dl{background:linear-gradient(180deg,var(--gold),var(--gold2));color:#3a2500;font-weight:800}
@media(max-width:860px){
  .hamburger{display:block}
  nav{position:absolute;top:62px;left:0;right:0;background:var(--navy);display:none;box-shadow:0 12px 20px rgba(0,0,0,.3)}
  #menu-toggle:checked ~ nav{display:block}
  nav ul{flex-direction:column;align-items:stretch;padding:10px 16px 16px;gap:2px}
}

/* Hero */
.hero{background:radial-gradient(1200px 500px at 70% -10%,#12608f 0%,var(--navy) 55%,#071f36 100%);color:#eaf4fc;padding:44px 0 54px;text-align:center}
.hero .app-icon{width:118px;height:118px;border-radius:26px;margin:0 auto 18px;border:3px solid var(--gold);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.hero h1{font-size:clamp(1.6rem,4.5vw,2.5rem);line-height:1.25;color:#fff;margin-bottom:12px}
.hero h1 b{color:var(--gold)}
.hero p{max-width:720px;margin:0 auto 22px;color:#c7dcee;font-size:1.05rem}
.badges{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:24px}
.badges span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);padding:5px 14px;border-radius:999px;font-size:.85rem;font-weight:600}
.stars{color:var(--gold);letter-spacing:2px}

/* Download button */
.dl-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:linear-gradient(180deg,#ffc93c,var(--gold2));color:#3a2500!important;font-weight:900;font-size:1.12rem;padding:15px 38px;border-radius:999px;box-shadow:0 8px 22px rgba(255,145,0,.45);text-decoration:none!important;transition:transform .15s ease;border:2px solid #fff3}
.dl-btn:hover{transform:translateY(-2px)}
.dl-btn small{display:block;font-weight:600;font-size:.72rem}
.dl-note{font-size:.85rem;color:#9fbcd4;margin-top:12px}
.center{text-align:center}

/* Main content */
main{padding:36px 0 20px}
article.card,.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;margin-bottom:26px}
@media(max-width:600px){article.card,.card{padding:20px 16px}}
h2{color:var(--navy);font-size:1.55rem;line-height:1.3;margin:34px 0 14px;padding-bottom:8px;border-bottom:3px solid var(--gold)}
h2:first-child{margin-top:0}
h3{color:var(--navy2);font-size:1.2rem;margin:26px 0 10px}
p{margin-bottom:16px}
ul,ol{margin:0 0 18px 24px}
li{margin-bottom:8px}
strong{color:var(--navy)}
.img-shadow{border-radius:12px;box-shadow:var(--shadow);margin:18px auto}
figure{margin:22px 0}
figcaption{font-size:.85rem;color:var(--muted);text-align:center;margin-top:8px}

/* Tables */
.table-wrap{overflow-x:auto;margin:18px 0}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden;font-size:.95rem;min-width:420px}
th{background:var(--navy);color:#fff;text-align:left;padding:12px 14px}
td{padding:11px 14px;border-bottom:1px solid var(--line)}
tr:nth-child(even) td{background:#f6fafd}

/* Boxes */
.box{border-radius:12px;padding:16px 18px;margin:18px 0;border-right:none;border-left:5px solid}
.box.tip{background:#eafaf6;border-color:var(--teal)}
.box.warn{background:#fff7e6;border-color:var(--gold)}
.box.danger{background:#fdeeee;border-color:#e05252}

/* FAQ */
details{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;overflow:hidden}
details summary{cursor:pointer;font-weight:700;color:var(--navy);padding:14px 16px;list-style:none;position:relative;padding-right:38px}
details summary::after{content:"+";position:absolute;right:16px;top:10px;font-size:1.4rem;color:var(--gold2)}
details[open] summary::after{content:"–"}
details .ans{padding:0 16px 14px;color:var(--text)}

/* Cards grid */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:20px 0}
.feature{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:var(--shadow)}
.feature h3{margin-top:0;font-size:1.05rem}
.feature .ico{font-size:1.7rem;margin-bottom:6px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.post-card img{aspect-ratio:16/9;object-fit:cover}
.post-card .pc-body{padding:16px}
.post-card h3{margin:0 0 8px;font-size:1.05rem}
.post-card p{font-size:.9rem;color:var(--muted);margin-bottom:10px}
.post-card a.more{font-weight:700}

/* Breadcrumb */
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:16px}
.crumbs a{color:var(--teal)}

/* TOC */
.toc{background:#f0f6fb;border:1px solid var(--line);border-radius:12px;padding:18px 22px;margin-bottom:24px}
.toc strong{display:block;margin-bottom:8px;color:var(--navy)}
.toc ol{margin:0 0 0 20px;columns:2;column-gap:30px}
.toc li{margin-bottom:5px;font-size:.93rem}
@media(max-width:640px){.toc ol{columns:1}}

/* Sticky mobile bar */
.sticky-dl{display:none}
@media(max-width:760px){
  .sticky-dl{display:block;position:fixed;bottom:0;left:0;right:0;z-index:60;background:linear-gradient(180deg,var(--navy),#07223c);padding:10px 14px calc(10px + env(safe-area-inset-bottom));box-shadow:0 -4px 16px rgba(0,0,0,.3);text-align:center}
  .sticky-dl .dl-btn{width:100%;padding:13px 20px;font-size:1rem}
  body{padding-bottom:76px}
}

/* Footer */
footer{background:#071f36;color:#a9c3d8;padding:38px 0 20px;margin-top:36px;font-size:.92rem}
.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:26px;margin-bottom:26px}
footer h4{color:#fff;margin-bottom:12px;font-size:1rem}
footer ul{list-style:none;margin:0}
footer ul li{margin-bottom:8px}
footer a{color:#a9c3d8}
footer a:hover{color:var(--gold)}
.copy{border-top:1px solid #143a5c;padding-top:16px;text-align:center;font-size:.83rem;color:#7d9ab3}
.age-badge{display:inline-block;background:#e05252;color:#fff;font-weight:800;border-radius:6px;padding:2px 8px;font-size:.8rem}