/* ── Reset & Base ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',Arial,sans-serif;background:#f9fafb;color:#1f2937}
img{max-width:100%;display:block}
button,a{cursor:pointer}
input,textarea{font-family:inherit}

/* ── CSS Variables ── */
:root{
  --brand:#0057b8;--brand-dark:#003a8c;--brand-900:#002266;
  --accent:#00b4d8;--white:#fff;
  --gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;
  --gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;
  --gray-700:#374151;--gray-800:#1f2937;
}

/* ── Gradients ── */
.hero-gradient{background:linear-gradient(135deg,#001a4d 0%,#0057b8 50%,#00b4d8 100%)}

/* ── Animations ── */
.floating{animation:float 3s ease-in-out infinite;will-change:transform;display:block}
@keyframes float{0%,100%{transform:translateY(0px)}50%{transform:translateY(-14px)}}
.badge-sale{animation:pulse2 2s infinite}
@keyframes pulse2{0%,100%{opacity:1}50%{opacity:.7}}
.shine{position:relative;overflow:hidden}
.shine::after{content:'';position:absolute;top:-50%;left:-75%;width:50%;height:200%;
  background:linear-gradient(to right,transparent,rgba(255,255,255,.15),transparent);
  transform:skewX(-25deg);animation:shine 3s infinite}
@keyframes shine{0%{left:-75%}100%{left:125%}}

/* ── Card Hover ── */
.card-hover{transition:all .3s ease}
.card-hover:hover{transform:translateY(-8px);box-shadow:0 25px 50px rgba(0,87,184,.18)}

/* ── Navbar ── */
header{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.08);position:sticky;top:0;z-index:50}
.nav-wrap{max-width:1280px;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.nav-logo-box{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center}
.nav-brand{font-weight:900;color:var(--brand);font-size:18px;line-height:1}
.nav-sub{font-size:10px;color:var(--gray-400);letter-spacing:.1em}
.nav-links{display:none;gap:24px;font-size:14px;font-weight:600;color:var(--gray-700)}
.nav-links a{text-decoration:none;color:inherit;position:relative;padding-bottom:2px}
.nav-links a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--accent);transition:width .3s}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a:hover,.nav-links a.active{color:var(--brand)}
.nav-cart-btn{background:none;border:none;padding:8px;border-radius:50%;cursor:pointer;position:relative}
.cart-badge{display:none;position:absolute;top:-2px;right:-2px;background:#ef4444;color:#fff;font-size:10px;font-weight:700;width:18px;height:18px;border-radius:50%;align-items:center;justify-content:center}
.mob-menu-btn{display:flex;background:none;border:none;padding:8px;cursor:pointer}
.mobile-nav{display:none;padding:12px 16px 16px;border-top:1px solid var(--gray-100)}
.mobile-nav a{display:block;cursor:pointer;padding:8px 0;font-size:14px;font-weight:600;color:var(--gray-700);text-decoration:none}
@media(min-width:768px){.nav-links{display:flex}.mob-menu-btn{display:none}}

/* ── Footer ── */
footer{background:var(--brand-900);color:#fff;padding-top:48px;padding-bottom:24px;margin-top:32px}
.footer-grid{max-width:1280px;margin:0 auto;padding:0 16px;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;margin-bottom:32px}
.footer-logo-box{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.footer-brand{font-weight:900;font-size:17px}
.footer-sub{font-size:10px;color:#93c5fd;letter-spacing:.1em}
.footer-desc{color:#bfdbfe;font-size:13px;line-height:1.7}
.footer-heading{font-weight:900;font-size:16px;margin-bottom:16px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:8px;font-size:14px;color:#bfdbfe}
.footer-links a{cursor:pointer;text-decoration:none;color:inherit;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;max-width:1280px;margin:0 auto;padding-left:16px;padding-right:16px}
.footer-copy{display:flex;flex-wrap:wrap;justify-content:center;gap:16px;font-size:13px;color:#93c5fd}
.footer-copy a{cursor:pointer;text-decoration:none;color:inherit;transition:color .2s}
.footer-copy a:hover{color:#fff}
.footer-disclaimer{color:#60a5fa;font-size:12px;max-width:640px;text-align:center}

/* ── Payment badges ── */
.pay-badge{background:#fff;border-radius:8px;padding:6px 10px;width:60px;height:36px;display:flex;align-items:center;justify-content:center}

/* ── Hero section ── */
.hero-section{color:#fff;overflow:hidden;position:relative}
.hero-content{max-width:1280px;margin:0 auto;padding:80px 16px;display:flex;flex-wrap:wrap;align-items:center;gap:48px;position:relative;z-index:10}
.hero-text{flex:1;min-width:280px}
.hero-title{font-size:clamp(2rem,5vw,3.5rem);font-weight:900;line-height:1.15;margin-bottom:16px}
.hero-desc{color:#bfdbfe;font-size:17px;margin-bottom:32px;max-width:480px}
.hero-btns{display:flex;flex-wrap:wrap;gap:16px}
.btn-primary{background:#fff;color:var(--brand);font-weight:700;padding:12px 32px;border-radius:999px;border:none;font-size:15px;box-shadow:0 8px 24px rgba(0,0,0,.15);cursor:pointer}
.btn-outline{border:1px solid rgba(255,255,255,.4);color:#fff;font-weight:600;padding:12px 32px;border-radius:999px;background:transparent;font-size:15px;cursor:pointer}
.hero-stats{display:flex;gap:32px;margin-top:40px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat-num{font-size:28px;font-weight:900}
.hero-stat-label{color:#bfdbfe;font-size:13px}
.hero-img-wrap{flex:1;min-width:240px;display:flex;justify-content:center;align-items:center}

/* ── Trust badges ── */
.trust-bar{background:var(--brand);color:#fff;padding:18px 16px}
.trust-bar-inner{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;text-align:center;font-size:13px}
.trust-item{display:flex;align-items:center;justify-content:center;gap:8px}

/* ── Section headings ── */
.section-wrap{max-width:1280px;margin:0 auto;padding:0 16px}
.section-tag{color:var(--accent);font-weight:600;font-size:12px;letter-spacing:.1em;text-transform:uppercase}
.section-title{font-size:2.2rem;font-weight:900;color:var(--gray-800);margin-top:8px}
.section-desc{color:var(--gray-500);margin-top:12px;max-width:480px;margin-left:auto;margin-right:auto}

/* ── Product cards ── */
.product-card{background:#fff;border-radius:16px;border:1px solid var(--gray-100);overflow:hidden;transition:all .3s;box-shadow:0 1px 3px rgba(0,0,0,.07)}
.product-card:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(0,87,184,.15)}
.product-card-img{background:linear-gradient(135deg,#eff6ff,#eef2ff);padding:24px;height:180px;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer}
.product-card-img img{height:130px;object-fit:contain;transition:transform .3s}
.product-card-img img:hover{transform:scale(1.05)}
.product-badge{position:absolute;top:10px;right:10px;font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px}
.product-card-body{padding:16px}
.product-cat{font-size:11px;color:var(--accent);font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}
.product-name{font-weight:700;color:var(--gray-800);font-size:14px;margin-bottom:6px;cursor:pointer;line-height:1.4}
.product-name:hover{color:var(--brand)}
.product-stars{display:flex;gap:2px;margin-bottom:8px;font-size:12px}
.product-price-row{display:flex;align-items:center;gap:8px;margin-bottom:14px}
.product-price{font-size:20px;font-weight:900;color:var(--brand)}
.product-original{font-size:13px;color:var(--gray-400);text-decoration:line-through}
.product-discount{font-size:11px;background:#dcfce7;color:#15803d;padding:2px 8px;border-radius:999px;font-weight:600}
.product-actions{display:flex;gap:8px}
.btn-cart{flex:1;background:var(--brand);color:#fff;font-weight:600;padding:8px;border-radius:8px;border:none;font-size:13px;cursor:pointer;transition:background .2s}
.btn-cart:hover{background:var(--brand-dark)}
.btn-view{border:1px solid var(--brand);color:var(--brand);padding:8px 12px;border-radius:8px;background:none;cursor:pointer;font-size:13px;transition:background .2s}
.btn-view:hover{background:#eff6ff}

/* ── Forms ── */
.form-label{font-size:13px;font-weight:600;color:var(--gray-700);display:block;margin-bottom:4px}
.form-input{width:100%;border:1px solid var(--gray-200);border-radius:8px;padding:10px 14px;font-size:14px;transition:all .2s}
.form-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,87,184,.15)}
textarea.form-input{resize:none}

/* ── Toast ── */
#toast{display:none;position:fixed;bottom:24px;right:24px;background:#22c55e;color:#fff;padding:12px 24px;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.2);font-weight:600;font-size:14px;z-index:9999;align-items:center;gap:8px}

/* ── Tables ── */
table{width:100%;border-collapse:collapse}
th,td{padding:10px 16px;text-align:left}
thead{background:var(--brand);color:#fff}
tbody tr:hover{background:var(--gray-50)}
tbody tr+tr{border-top:1px solid var(--gray-100)}

/* ── Scrollbar ── */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--gray-100)}
::-webkit-scrollbar-thumb{background:var(--brand);border-radius:3px}

/* ── Responsive grid helpers ── */
.grid-auto{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:24px}
.grid-auto-sm{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}

/* ── Policy pages ── */
.policy-section{margin-bottom:24px}
.policy-section h2{font-size:1.1rem;font-weight:900;color:var(--gray-800);margin-bottom:10px}
.policy-section p{color:var(--gray-600);font-size:14px;line-height:1.8}
.policy-card{background:#fff;border-radius:16px;border:1px solid var(--gray-100);padding:32px;box-shadow:0 1px 3px rgba(0,0,0,.07)}

/* ── Blog ── */
.blog-card{background:#fff;border-radius:20px;box-shadow:0 4px 20px rgba(0,87,184,.1);border:1px solid #e0e7ff;overflow:hidden;transition:all .3s}
.blog-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,87,184,.18)}
.blog-img{height:200px;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;cursor:pointer}
.blog-body{padding:24px}
.blog-title{font-size:1.15rem;font-weight:900;color:var(--gray-800);margin-bottom:10px;cursor:pointer;line-height:1.4}
.blog-title:hover{color:var(--brand)}
.blog-desc{color:var(--gray-500);font-size:14px;line-height:1.7;margin-bottom:20px}
.btn-read{background:var(--brand);color:#fff;font-weight:700;padding:10px 24px;border-radius:999px;border:none;font-size:14px;cursor:pointer;transition:background .2s}
.btn-read:hover{background:var(--brand-dark)}

/* ── Article pages ── */
.article-wrap{max-width:820px;margin:0 auto;padding:48px 16px 64px}
.article-step{display:flex;gap:16px;background:#f9fafb;border-radius:14px;padding:18px;border:1px solid var(--gray-200);margin-bottom:14px}
.step-num{width:38px;height:38px;border-radius:50%;color:#fff;font-weight:900;font-size:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.step-title{font-weight:800;color:var(--gray-800);margin-bottom:6px;font-size:15px}
.step-desc{font-size:14px;color:var(--gray-600);line-height:1.75}
.trouble-card{background:#fff;border:1px solid var(--gray-200);border-radius:12px;padding:16px;margin-bottom:12px}
.trouble-q{font-weight:800;color:var(--gray-800);margin-bottom:6px;font-size:14px}
.trouble-a{font-size:13px;color:var(--gray-600);line-height:1.7}
details summary{font-weight:700;color:var(--gray-800);font-size:14px;cursor:pointer;list-style:none}
details p{color:var(--gray-600);font-size:13px;line-height:1.75;margin-top:10px}