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

:root{
  --navy:#0b1220;
  --navy-2:#111b2e;
  --navy-3:#18243a;
  --teal:#18c6b1;
  --teal-2:#0ea895;
  --cyan:#35d9ea;
  --gold:#f5c451;
  --bg:#f4f7fb;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --text:#111827;
  --muted:#667085;
  --line:#e6eaf0;
  --shadow:0 14px 40px rgba(15,23,42,.08);
  --shadow-lg:0 22px 60px rgba(15,23,42,.13);
  --radius:20px;
  --sidebar:285px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.55;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{-webkit-tap-highlight-color:transparent}
button,input{font:inherit}

/* ================= HEADER ================= */
.header{
  position:sticky;
  top:0;
  z-index:1800;
  min-height:72px;
  margin-left:var(--sidebar);
  width:calc(100% - var(--sidebar));
  padding:12px 28px;
  display:flex;
  align-items:center;
  gap:24px;
  background:rgba(11,18,32,.96);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 8px 30px rgba(15,23,42,.14);
  backdrop-filter:blur(18px);
}
.logo{flex:0 0 auto}
.brand-link{
  display:flex;align-items:center;gap:10px;
  color:#fff;text-decoration:none;
  font-family:'Manrope',sans-serif;font-weight:800;font-size:20px;
}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  color:#07151a;
  background:linear-gradient(135deg,var(--teal),var(--cyan));
  box-shadow:0 8px 22px rgba(24,198,177,.24);
}
.brand-name{letter-spacing:-.5px}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:7px}
.main-nav a{
  color:#dce4ef;text-decoration:none;font-size:13px;font-weight:600;
  padding:9px 12px;border-radius:10px;transition:.2s ease;
}
.main-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.main-nav .btn-nav{
  color:#061715;background:linear-gradient(135deg,var(--teal),var(--cyan));
  box-shadow:0 7px 18px rgba(24,198,177,.2);
}
.main-nav .btn-nav:hover{color:#061715;transform:translateY(-1px)}
.menu-btn{
  display:none;margin-left:auto;width:42px;height:42px;border:0;border-radius:12px;
  color:#07151a;background:linear-gradient(135deg,var(--teal),var(--cyan));
  font-size:20px;cursor:pointer;
}

/* ================= SIDEBAR ================= */
.sidebar{
  position:fixed;z-index:2000;left:0;top:0;bottom:0;
  width:var(--sidebar);height:100vh;overflow-y:auto;
  padding:24px 18px;
  color:#dce5f2;
  background:linear-gradient(180deg,#0b1220 0%,#101a2c 55%,#0b1220 100%);
  border-right:1px solid rgba(255,255,255,.07);
  box-shadow:14px 0 40px rgba(15,23,42,.18);
}
.sidebar::-webkit-scrollbar{width:5px}
.sidebar::-webkit-scrollbar-thumb{background:#334155;border-radius:99px}
.close-sidebar{display:none}
.side-logo{
  display:flex;align-items:center;gap:11px;
  padding:5px 5px 24px;margin-bottom:8px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.side-logo span{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  color:#061715;font-weight:800;font-size:19px;
  background:linear-gradient(135deg,var(--teal),var(--cyan));
}
.side-logo h2{font-family:'Manrope',sans-serif;color:#fff;font-size:19px}
.side-links{padding-top:6px}
.side-links a{
  display:flex;align-items:center;gap:9px;
  min-height:42px;padding:9px 11px;margin:4px 0;
  color:#b8c5d8;text-decoration:none;border:1px solid transparent;
  border-radius:11px;font-size:13px;font-weight:600;transition:.2s ease;
}
.side-links a:hover{color:#fff;background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.08);transform:translateX(2px)}
.side-links a[href="about/about.html"]{
  color:#061715;font-weight:800;
  background:linear-gradient(135deg,var(--teal),var(--cyan));
  box-shadow:0 9px 24px rgba(24,198,177,.15);
}
.side-links a[href="about/about.html"]:hover{color:#061715;background:linear-gradient(135deg,#35d9c5,#55e5f0)}
.side-line{height:1px;background:rgba(255,255,255,.08);margin:14px 4px}
.sidebar-overlay{
  position:fixed;inset:0;z-index:1900;background:rgba(2,8,23,.62);
  opacity:0;visibility:hidden;pointer-events:none;transition:.25s ease;
}
.sidebar-overlay.active{opacity:1;visibility:visible;pointer-events:auto}

/* ================= MAIN ================= */
main{margin-left:var(--sidebar);min-width:0}
section{width:100%;max-width:1320px;margin:0 auto;padding:58px 34px}

/* ================= BANNER ================= */
.website-banner-section{padding:24px 24px 10px;max-width:1500px}
.website-banner-slider{
  width:100%;aspect-ratio:1920/700;min-height:190px;overflow:hidden;
  position:relative;background:#dfe8ef;border:1px solid var(--line);
  border-radius:22px;box-shadow:var(--shadow-lg);
}
.website-banner-track{display:flex;width:100%;height:100%;transition:transform .7s ease;will-change:transform}
.website-banner-slide{flex:0 0 100%;width:100%;height:100%}
.website-banner-slide img{width:100%;height:100%;object-fit:cover;object-position:center}

/* ================= SECTION HEAD ================= */
.sec-head{margin-bottom:24px}
.section-label{
  display:inline-flex;align-items:center;padding:6px 10px;margin-bottom:9px;
  border-radius:999px;color:#087f72;background:#ddf8f3;
  font-size:10px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;
}
.sec-head h2{
  font-family:'Manrope',sans-serif;font-size:30px;line-height:1.2;
  letter-spacing:-.8px;color:#0d1728;
}
.sec-head p{margin-top:7px;color:var(--muted);font-size:13px}

/* ================= PROVINCES ================= */
.province-row,.books-row,.options-row{
  display:flex;gap:16px;overflow-x:auto;padding:4px 3px 16px;
  scroll-snap-type:x proximity;
}
.province-row::-webkit-scrollbar,.books-row::-webkit-scrollbar,.options-row::-webkit-scrollbar{height:6px}
.province-row::-webkit-scrollbar-thumb,.books-row::-webkit-scrollbar-thumb,.options-row::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:99px}
.province-card,.book-card,.option-card{scroll-snap-align:start;flex:0 0 auto}
.province-card{
  width:168px;min-height:210px;padding:18px 14px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;text-decoration:none;color:var(--text);background:var(--surface);
  border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);
  transition:.25s ease;
}
.province-card:hover,.book-card:hover,.option-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#b8c6d8}
.province-card.active{background:linear-gradient(145deg,#10213a,#0b1728);border-color:#1d344f;color:#fff}
.province-icon{
  width:116px;height:116px;border-radius:18px;display:grid;place-items:center;
  overflow:hidden;background:#f5f8fb;border:1px solid #e8edf3;
}
.province-card.active .province-icon{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12)}
.province-icon img{width:100%;height:100%;object-fit:contain}
.province-card strong{font-size:14px;text-align:center}
.province-card small{font-size:10px;color:#8390a2}
.province-card.active small{color:#9edbd3}

/* ================= BOOKS ================= */
.book-card{
  width:175px;padding:14px 12px 16px;text-align:center;text-decoration:none;
  color:var(--text);background:var(--surface);border:1px solid var(--line);
  border-radius:18px;box-shadow:var(--shadow);transition:.25s ease;
}
.book-img{
  height:180px;border-radius:14px;background:linear-gradient(145deg,#f8fafc,#eef3f8);
  display:grid;place-items:center;overflow:hidden;margin-bottom:13px;
}
.book-img img{width:100%;height:100%;object-fit:contain;padding:8px}
.book-card h3{font-family:'Manrope',sans-serif;font-size:15px;line-height:1.35}
.book-card span{display:block;margin-top:5px;color:#0b9385;font-size:10px;font-weight:700}

/* ================= OPTIONS ================= */
.option-card{
  width:180px;min-height:145px;padding:22px 16px;display:flex;flex-direction:column;
  align-items:flex-start;justify-content:center;text-decoration:none;color:var(--text);
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow);transition:.25s ease;
}
.option-card>span{width:42px;height:42px;display:grid;place-items:center;border-radius:12px;background:#e7f8f5;font-size:21px;margin-bottom:12px}
.option-card h3{font-family:'Manrope',sans-serif;font-size:15px}
.option-card small{color:var(--muted);font-size:10px;margin-top:3px}

/* ================= ABOUT ================= */
.about-section{padding-top:36px}
.about-card{
  position:relative;overflow:hidden;padding:34px;
  background:linear-gradient(145deg,#0e192b,#15243a);
  border:1px solid #243853;border-radius:24px;color:#d9e4f2;box-shadow:var(--shadow-lg);
}
.about-card::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:linear-gradient(90deg,var(--teal),var(--cyan),var(--gold))}
.about-card .section-label{color:#0b7f73;background:#d9f8f2}
.about-card h2{font-family:'Manrope',sans-serif;color:#fff;font-size:28px;line-height:1.25;margin:2px 0 15px}
.about-card p{color:#aebdd0;font-size:13px;line-height:1.85;margin-top:11px}

/* ================= ACCOUNT ================= */
.account-section{max-width:680px;text-align:center}
.account-icon{width:58px;height:58px;display:grid;place-items:center;margin:0 auto 13px;border-radius:18px;background:#dff8f3;font-size:25px}
.account-section h2{font-family:'Manrope',sans-serif;font-size:28px;color:#101827}
.account-section>p{color:var(--muted);font-size:13px;margin:5px 0 22px}
.account-section form{max-width:430px;margin:auto;display:grid;gap:12px}
.account-section input{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:#fff;outline:none;color:var(--text);font-size:13px}
.account-section input:focus{border-color:#65d8cc;box-shadow:0 0 0 4px rgba(24,198,177,.1)}
.account-section button{border:0;border-radius:12px;padding:13px 16px;color:#061715;background:linear-gradient(135deg,var(--teal),var(--cyan));font-weight:800;cursor:pointer;box-shadow:0 10px 24px rgba(24,198,177,.18)}

/* ================= FOOTER ================= */
.footer{margin-left:var(--sidebar);padding:46px 34px 28px;background:#09111f;color:#aebbd0}
.footer-inner{max-width:1320px;margin:auto;display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:35px}
.footer-logo{font-family:'Manrope',sans-serif;color:#fff;font-size:24px;font-weight:800}
.footer p{font-size:12px;margin:6px 0;color:#8999af}.footer small{font-size:10px;color:#68788f}
.footer h3{font-size:12px;color:#fff;margin-bottom:12px}
.footer-link-list{display:flex;flex-direction:column;gap:7px}
.footer-link-list a{color:#aebbd0;text-decoration:none;font-size:11px}.footer-link-list a:hover{color:#fff}
.social-links{display:flex;gap:8px;flex-wrap:wrap}
.social{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;color:#dbe5f2;background:#142238;border:1px solid #21324b;text-decoration:none;font-size:13px;font-weight:800;transition:.2s}
.social:hover{background:#1a304b;color:#fff;transform:translateY(-2px)}
.footer-downloads{grid-column:1/-1;padding-top:25px;margin-top:4px;border-top:1px solid rgba(255,255,255,.08);text-align:center}
.footer-downloads h3{margin-bottom:13px}
.app-buttons{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
.app-btn{min-width:175px;display:flex;align-items:center;gap:10px;padding:9px 13px;color:#fff;text-decoration:none;background:#121d2e;border:1px solid #26364d;border-radius:12px}
.app-icon{font-size:21px;width:24px;text-align:center}.app-btn span:last-child{display:flex;flex-direction:column;text-align:left}.app-btn small{font-size:7px;color:#8f9db1;line-height:1}.app-btn strong{font-size:13px}

/* ================= TABLET ================= */
@media (max-width:1050px){
  :root{--sidebar:250px}
  .header{padding:11px 18px}.main-nav{gap:2px}.main-nav a{padding:8px 8px;font-size:11px}
  section{padding-left:24px;padding-right:24px}.footer{padding-left:24px;padding-right:24px}
}

/* ================= MOBILE ================= */
@media (max-width:800px){
  :root{--sidebar:0px}
  .header{margin-left:0;width:100%;min-height:64px;padding:10px 14px;gap:10px}
  .main-nav{display:none}
  .menu-btn{display:grid;place-items:center}
  main{margin-left:0}
  .sidebar{
    left:-300px;width:285px;transition:left .3s ease;
    box-shadow:18px 0 50px rgba(0,0,0,.3)
  }
  .sidebar.active{left:0}
  .close-sidebar{display:grid;place-items:center;float:none;position:absolute;right:16px;top:18px;width:34px;height:34px;border:1px solid rgba(255,255,255,.1);border-radius:10px;background:#18243a;color:#fff;font-size:23px;cursor:pointer}
  .side-logo{padding-right:42px}
  .website-banner-section{padding:14px 12px 5px}
  .website-banner-slider{border-radius:15px;min-height:0;box-shadow:0 10px 28px rgba(15,23,42,.1)}
  section{padding:38px 14px}
  .sec-head{margin-bottom:18px}.sec-head h2{font-size:24px}.sec-head p{font-size:12px}
  .province-card{width:155px;min-height:195px}.province-icon{width:105px;height:105px}
  .book-card{width:160px}.book-img{height:165px}
  .option-card{width:160px;min-height:135px}
  .about-card{padding:28px 20px}.about-card h2{font-size:23px}.about-card p{font-size:12px}
  .footer{margin-left:0;padding:38px 16px 24px}.footer-inner{grid-template-columns:1fr;text-align:center;gap:24px}.footer-link-list{align-items:center}.social-links,.app-buttons{justify-content:center}
}

@media (max-width:480px){
  .brand-name{font-size:18px}.brand-mark{width:34px;height:34px}
  .menu-btn{width:40px;height:40px}
  .website-banner-section{padding-left:8px;padding-right:8px}
  .province-row,.books-row,.options-row{gap:11px}
  .province-card{width:145px}.province-icon{width:98px;height:98px}
  .book-card{width:150px}.book-img{height:150px}
  .option-card{width:150px}
  .about-card{padding:24px 17px}.about-card h2{font-size:21px}
  .account-section h2{font-size:24px}
  .app-btn{width:100%;max-width:260px}
}

/* ================= FINAL LAYOUT FIX ================= */
/* Keep the desktop canvas full-width; open the sidebar only when requested. */
:root{--sidebar:0px}
.header{margin-left:0!important;width:100%!important}
main{margin-left:0!important}
.footer{margin-left:0!important}
.sidebar{left:-300px!important;width:285px;transition:left .28s ease;z-index:2200}
.sidebar.active{left:0!important}
.menu-btn{display:grid;place-items:center;flex:0 0 42px}
.sidebar-overlay{z-index:2100}

@media (min-width:801px){
  .header{padding:13px clamp(18px,3vw,42px);gap:20px}
  .main-nav{display:flex;flex-wrap:wrap}
  .menu-btn{margin-left:0}
  .website-banner-section{padding-left:clamp(20px,4vw,60px);padding-right:clamp(20px,4vw,60px)}
  .provinces-section,.books-section,.options-section,.about-section,.account-section{max-width:1440px;margin-left:auto;margin-right:auto}
}
@media (max-width:800px){
  .header{display:flex;flex-wrap:wrap;min-height:0;padding:10px 12px;gap:9px}
  .logo{flex:1 1 auto;min-width:0}
  .brand-link{font-size:18px}
  .main-nav{display:flex!important;order:3;width:100%;margin:0;gap:7px;justify-content:stretch}
  .main-nav a{display:flex;align-items:center;justify-content:center;flex:1 1 0;min-width:0;padding:9px 6px;font-size:12px;white-space:nowrap;border:1px solid rgba(255,255,255,.12);border-radius:10px}
  .main-nav a:nth-child(2),.main-nav a:nth-child(3){display:none!important}
  .main-nav .btn-nav{flex:1.35 1 0}
  .menu-btn{margin-left:0;width:40px;height:40px;flex-basis:40px}
  main{margin-left:0!important;width:100%;min-width:0}
  .footer{margin-left:0!important}
  .sidebar{top:0;bottom:0;height:100dvh;left:-300px!important}
  .sidebar.active{left:0!important}
  .website-banner-section{padding-top:12px}
  .website-banner-slider,.website-banner-track,.website-banner-slide{max-width:100%}
  .website-banner-slide img{width:100%;height:auto;object-fit:contain}
}
@media (max-width:360px){
  .brand-name{font-size:16px}
  .main-nav a{font-size:11px;padding:8px 4px}
}