:root{
  --navy:#12395b; --navy-700:#0e2c46; --amber:#f5a623; --amber-600:#e0951a;
  --ink:#1a2330; --muted:#5b6672; --line:#e6e9ee; --bg:#f6f8fb; --card:#ffffff;
  --ok:#1a7f37; --bad:#b42318;
  --radius:12px; --wrap:1080px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.6}
a{color:var(--navy);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
img{max-width:100%}

/* Header */
.site-header{background:var(--navy);color:#fff}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{color:#fff;font-weight:800;letter-spacing:.3px;font-size:18px}
.brand:hover{text-decoration:none}
.nav{display:flex;align-items:center;gap:18px}
.nav a{color:#dbe6f2}
.nav a:hover{color:#fff;text-decoration:none}
/* Hamburger (mobile) — hidden on desktop */
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:40px;cursor:pointer;padding:8px;border-radius:8px}
.nav-burger span{display:block;height:2px;width:100%;background:#fff;border-radius:2px;transition:transform .2s,opacity .2s}
.nav-burger:hover{background:rgba(255,255,255,.08)}
.btn{display:inline-block;background:var(--amber);color:#1a1a1a;padding:9px 16px;border-radius:8px;font-weight:700;border:0;cursor:pointer}
.btn:hover{background:var(--amber-600);text-decoration:none}
.btn-ghost{background:transparent;border:1px solid #3a5a7d;color:#fff}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-700)}

/* Hero */
.hero{background:linear-gradient(180deg,var(--navy),var(--navy-700));color:#fff;padding:64px 0}
.hero h1{font-size:clamp(28px,4vw,42px);margin:0 0 14px;text-wrap:balance;max-width:16ch}
.hero p{font-size:18px;color:#cfe0f0;max-width:60ch;margin:0 0 22px}

/* Sections */
section{padding:44px 0}
.section-title{color:var(--navy);text-align:center;margin:0 0 26px;font-size:26px}

/* Cards grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.card .thumb{aspect-ratio:16/9;background:var(--navy);object-fit:cover;width:100%}
.card .body{padding:14px;display:flex;flex-direction:column;gap:8px;flex:1}
.card h3{margin:0;font-size:17px}
.card .cat{color:var(--muted);font-size:12.5px;text-transform:uppercase;letter-spacing:.4px}
.card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between}
.price{font-weight:800;color:var(--navy)}

/* Forms */
.form{max-width:420px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.form h1{margin:0 0 6px;font-size:24px;color:var(--navy)}
label{display:block;font-weight:600;margin:14px 0 6px}
input[type=text],input[type=email],input[type=password],input[type=search],input[type=number],textarea,select{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff}
input:focus,textarea:focus,select:focus{outline:2px solid var(--amber);border-color:var(--amber)}

/* Alerts */
.alert{padding:12px 14px;border-radius:8px;margin:0 0 16px}
.alert-ok{background:#e7f6ec;color:var(--ok);border:1px solid #bfe6cc}
.alert-bad{background:#fdeceb;color:var(--bad);border:1px solid #f6c9c5}

/* Utility */
.muted{color:var(--muted)}
.center{text-align:center}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:20px}

/* Footer */
.site-footer{background:var(--navy-700);color:#c7d5e4;padding:28px 0;margin-top:40px}
.site-footer a{color:#fff}

/* ================= Responsive / mobile ================= */
@media (max-width:820px){
  /* Header becomes a burger menu */
  .site-header .wrap{position:relative;flex-wrap:wrap;height:auto;min-height:58px;padding-top:9px;padding-bottom:9px}
  .nav-burger{display:flex}
  .nav{
    display:none;order:3;width:100%;flex-direction:column;align-items:stretch;gap:0;
    margin:8px -20px 0;padding:4px 20px 10px;border-top:1px solid rgba(255,255,255,.12)
  }
  .nav a{padding:12px 4px;border-bottom:1px solid rgba(255,255,255,.08);color:#eaf1f8}
  .nav .btn,.nav .btn-ghost{display:block;margin-top:10px;text-align:center;border-bottom:0}
  .nav-toggle:checked ~ .nav{display:flex}
  /* Burger → X when open */
  .nav-toggle:checked ~ .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle:checked ~ .nav-burger span:nth-child(2){opacity:0}
  .nav-toggle:checked ~ .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

@media (max-width:640px){
  .wrap{padding:0 16px}
  .hero{padding:40px 0}
  .hero h1{font-size:26px}
  .hero p{font-size:16px}
  section{padding:30px 0}
  .section-title{font-size:22px;margin-bottom:20px}
  .grid{grid-template-columns:1fr;gap:16px}
  .form{padding:20px}
  .toolbar{gap:8px}
  /* Wide tables (wrapped in an overflow-x container) scroll instead of squashing */
  [style*="overflow-x"]{-webkit-overflow-scrolling:touch}
  [style*="overflow-x"] table{min-width:520px}
  h1{font-size:26px}
  h2{font-size:20px}
  .btn{padding:11px 16px}
}

/* Comfortable tap targets on touch devices */
@media (hover:none){
  .nav a{min-height:44px;display:flex;align-items:center}
}