/* ============================================================
   TestPrep Pakistan — Shared Stylesheet
   Brand: Deep Navy + Emerald Green + White
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;600;700;800&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500&display=swap');

/* ── Design Tokens ── */
:root{
  --navy-950:#060D1F;
  --navy-900:#0A1B40;
  --navy-850:#0D2150;
  --navy-800:#11295E;
  --navy-700:#173576;
  --blue-500:#2C5CE0;
  --blue-400:#4D7AFF;
  --emerald-700:#0B7E50;
  --emerald-600:#0E9E63;
  --emerald-500:#16B978;
  --emerald-400:#3FDB94;
  --gold-500:#C99A3D;
  --gold-400:#E2B765;
  --slate-600:#4B5A72;
  --slate-500:#67768D;
  --slate-400:#8694A8;
  --mist-50:#F6F9FD;
  --mist-100:#EDF2FA;
  --mist-200:#E2E9F5;
  --border:#E2E8F4;
  --radius:12px;
  --radius-lg:20px;
  --shadow-sm:0 2px 8px rgba(10,27,64,.07);
  --shadow-md:0 6px 24px rgba(10,27,64,.12);
  --shadow-lg:0 16px 48px rgba(10,27,64,.18);
}

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;}
body{font-family:'Inter',sans-serif;color:var(--navy-900);background:#fff;line-height:1.6;}
img{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
ul,ol{list-style:none;}

/* ── Layout ── */
.container{max-width:1160px;margin:0 auto;padding:0 24px;}
section{padding:88px 0;}
.section-head{text-align:center;margin-bottom:56px;}
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:11.5px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--emerald-600);margin-bottom:12px;}
.section-head h2{font-family:'Sora',sans-serif;font-size:clamp(26px,4vw,40px);font-weight:800;color:var(--navy-900);line-height:1.15;}
.section-head p{margin-top:14px;font-size:17px;color:var(--slate-500);max-width:560px;margin-left:auto;margin-right:auto;}

/* ── Buttons ── */
.btn-primary{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;background:linear-gradient(135deg,var(--emerald-600),var(--emerald-500));color:#fff;font-family:'Sora',sans-serif;font-weight:700;font-size:15px;border-radius:50px;border:none;cursor:pointer;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 20px rgba(14,158,99,.35);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(14,158,99,.45);}
.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border:2px solid var(--emerald-500);color:var(--emerald-600);font-family:'Sora',sans-serif;font-weight:700;font-size:15px;border-radius:50px;background:transparent;cursor:pointer;transition:all .2s;}
.btn-secondary:hover{background:var(--emerald-500);color:#fff;}
.btn-white{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;background:#fff;color:var(--navy-900);font-family:'Sora',sans-serif;font-weight:700;font-size:15px;border-radius:50px;border:none;cursor:pointer;transition:all .2s;box-shadow:0 4px 20px rgba(0,0,0,.12);}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,0,0,.2);}

/* Google Play Badge inside buttons */
.gplay-icon{width:18px;height:18px;flex-shrink:0;}

/* ── OMR Bubble Pattern ── */
.bubble-field{position:relative;overflow:hidden;}
.bubble-field::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.13) 1.5px,transparent 1.5px);background-size:20px 20px;pointer-events:none;z-index:0;}

/* ============================================================
   HEADER / NAV
   ============================================================ */
header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:16px 0;transition:all .3s;}
header:not(.scrolled){background:transparent;}
header.scrolled{background:rgba(255,255,255,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);box-shadow:0 4px 24px -8px rgba(10,27,64,.08);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;min-width:0;}
.brand img{width:38px;height:38px;flex-shrink:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.05;white-space:nowrap;}
.brand-text strong{font-family:'Sora',sans-serif;font-size:16px;font-weight:700;color:var(--navy-900);white-space:nowrap;}
.brand-text span{font-size:10px;letter-spacing:.08em;color:var(--slate-500);font-weight:600;text-transform:uppercase;white-space:nowrap;}
header:not(.scrolled) .brand-text strong{color:#fff;}
header:not(.scrolled) .brand-text span{color:rgba(255,255,255,.65);}
header.scrolled .brand-text strong{color:var(--navy-900);}

.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{font-size:14.5px;font-weight:500;padding:7px 12px;border-radius:8px;color:var(--navy-900);transition:all .2s;}
.nav-links a:hover{background:var(--mist-100);color:var(--emerald-600);}
header:not(.scrolled) .nav-links a{color:rgba(255,255,255,.85);}
header:not(.scrolled) .nav-links a:hover{background:rgba(255,255,255,.12);color:#fff;}

.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-cta .btn-primary{padding:10px 18px;font-size:13.5px;}

.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none;}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:all .3s;}
header.scrolled .nav-toggle span{background:var(--navy-900);}

/* Mobile nav drawer */
@media(max-width:860px){
  .nav-links{display:none;position:fixed;top:0;right:0;bottom:0;width:280px;background:var(--navy-900);flex-direction:column;align-items:flex-start;padding:80px 32px 40px;gap:0;z-index:999;transform:translateX(100%);transition:transform .3s;}
  .nav-links.open{display:flex;transform:translateX(0);}
  .nav-links a{color:rgba(255,255,255,.8);width:100%;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:16px;border-radius:0;}
  .nav-links a:hover{background:none;color:#fff;border-bottom-color:var(--emerald-500);}
  .nav-toggle{display:flex;}
  .nav-cta .btn-primary{display:none;}
}
@media(max-width:480px){
  .brand img{width:32px;height:32px;}
  .brand-text strong{font-size:14px;}
  .brand-text span{font-size:8.5px;}
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--navy-950);color:rgba(255,255,255,.7);padding:64px 0 0;}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08);}
.footer-brand img{width:44px;height:44px;margin-bottom:12px;}
.footer-brand strong{display:block;font-family:'Sora',sans-serif;font-size:16px;font-weight:700;color:#fff;margin-bottom:6px;}
.footer-brand p{font-size:14px;line-height:1.65;max-width:260px;color:rgba(255,255,255,.55);}
.footer-powered{display:flex;align-items:center;gap:8px;margin-top:16px;padding:10px 14px;background:rgba(255,255,255,.05);border-radius:10px;width:fit-content;}
.footer-powered img{width:22px;height:22px;}
.footer-powered span{font-size:12px;color:rgba(255,255,255,.5);}
.footer-powered strong{font-size:12px;color:var(--gold-400);font-weight:700;}
.footer-col h4{font-family:'Sora',sans-serif;font-size:13px;font-weight:700;color:#fff;letter-spacing:.06em;text-transform:uppercase;margin-bottom:18px;}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.5);margin-bottom:10px;transition:color .2s;}
.footer-col a:hover{color:var(--emerald-400);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.35);}
.footer-bottom .built{font-size:12px;color:rgba(255,255,255,.2);font-family:'JetBrains Mono',monospace;}
@media(max-width:860px){
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media(max-width:520px){
  .footer-top{grid-template-columns:1fr;}
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */
.page-hero{background:linear-gradient(135deg,var(--navy-950) 0%,var(--navy-800) 60%,rgba(14,158,99,.25) 100%);padding:140px 0 80px;text-align:center;position:relative;overflow:hidden;}
.page-hero::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.07) 1.5px,transparent 1.5px);background-size:22px 22px;pointer-events:none;}
.page-hero .eyebrow{color:var(--emerald-400);}
.page-hero h1{font-family:'Sora',sans-serif;font-size:clamp(30px,5vw,52px);font-weight:800;color:#fff;line-height:1.1;margin-top:12px;}
.page-hero h1 .accent{background:linear-gradient(90deg,var(--emerald-400),var(--blue-400));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.page-hero p{margin-top:18px;font-size:18px;color:rgba(255,255,255,.65);max-width:560px;margin-left:auto;margin-right:auto;}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .55s ease,transform .55s ease;}
.reveal.in{opacity:1;transform:none;}
.stagger .reveal:nth-child(1){transition-delay:.05s;}
.stagger .reveal:nth-child(2){transition-delay:.12s;}
.stagger .reveal:nth-child(3){transition-delay:.19s;}
.stagger .reveal:nth-child(4){transition-delay:.26s;}
.stagger .reveal:nth-child(5){transition-delay:.33s;}
.stagger .reveal:nth-child(6){transition-delay:.40s;}

/* ============================================================
   DOWNLOAD CTA BANNER
   ============================================================ */
.cta-banner{background:linear-gradient(135deg,var(--emerald-700),var(--emerald-600) 50%,var(--navy-800));padding:72px 0;text-align:center;position:relative;overflow:hidden;}
.cta-banner::before{content:'';position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.1) 1.5px,transparent 1.5px);background-size:20px 20px;}
.cta-banner>*{position:relative;z-index:1;}
.cta-banner .container>*{position:relative;z-index:1;}
.cta-banner h2{font-family:'Sora',sans-serif;font-size:clamp(24px,4vw,38px);font-weight:800;color:#fff;margin-bottom:12px;}
.cta-banner p{color:rgba(255,255,255,.75);font-size:17px;margin-bottom:32px;max-width:480px;margin-left:auto;margin-right:auto;}
.cta-banner .btn-white{font-size:16px;padding:16px 36px;}