/* ============================================================
   NEXIA — Design System
   Navy · Cyan · Syne / DM Sans
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&family=DM+Sans:wght@300;400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

:root{
  /* brand */
  --navy:#0D1F3C; --navy-800:#0a1830; --navy-700:#12294f;
  --navy-600:#1a3560; --navy-500:#274a80;
  --cyan:#00C2FF; --cyan-600:#00a6dd; --blue:#0066FF;
  --ice:#F0F4FF; --white:#ffffff;
  --muted:#6B8A99; --muted-2:#9fb3c2;
  --border:#DDE8ED; --border-dark:rgba(255,255,255,.10);
  --success:#00D68F; --warn:#FFB800; --danger:#FF5C40;
  --text:#0D1F3C; --ink-soft:#48627a;

  /* typography */
  --disp:'Syne',system-ui,sans-serif;
  --body:'DM Sans',system-ui,sans-serif;
  --mono:'DM Mono',ui-monospace,monospace;

  /* system */
  --radius:16px; --radius-sm:10px; --radius-lg:24px;
  --shadow:0 10px 40px -12px rgba(13,31,60,.22);
  --shadow-cyan:0 12px 40px -8px rgba(0,194,255,.45);
  --maxw:1200px;
  --glow:radial-gradient(circle at center, rgba(0,194,255,.28), transparent 62%);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);color:var(--text);background:var(--ice);
  line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,.disp{font-family:var(--disp);font-weight:800;letter-spacing:-.02em;line-height:1.08;text-wrap:balance}
::selection{background:var(--cyan);color:var(--navy)}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-sm{padding:56px 0}
.eyebrow{font-family:var(--disp);font-weight:700;font-size:12.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--cyan)}
.section-head{max-width:640px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(28px,4vw,42px);margin:14px 0 12px}
.section-head p{color:var(--ink-soft);font-size:17px}
.dark{background:var(--navy);color:#fff}
.dark h1,.dark h2,.dark h3{color:#fff}
.dark .section-head p{color:rgba(255,255,255,.66)}
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-auto{grid-template-columns:repeat(auto-fill,minmax(270px,1fr))}

/* ---------- top nav ---------- */
.nav{position:sticky;top:0;z-index:80;background:rgba(13,31,60,.72);
  backdrop-filter:saturate(160%) blur(16px);-webkit-backdrop-filter:saturate(160%) blur(16px);
  border-bottom:1px solid var(--border-dark)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;gap:26px}
.brand{font-family:var(--disp);font-weight:800;font-size:22px;color:#fff;letter-spacing:-.02em;flex:none}
.brand span{color:var(--cyan)}
.nav-links{display:flex;gap:6px;margin-left:8px}
.nav-links a{color:rgba(255,255,255,.7);font-size:14px;font-weight:500;
  padding:8px 14px;border-radius:10px;transition:.18s var(--ease)}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.07)}
.nav-links a.active{color:var(--cyan);background:rgba(0,194,255,.12)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.cart-btn{position:relative;color:#fff;padding:8px 12px;border-radius:10px;
  border:1px solid var(--border-dark);font-size:14px;transition:.18s}
.cart-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.cart-count{position:absolute;top:-7px;right:-7px;background:var(--cyan);color:var(--navy);
  font-size:10px;font-weight:800;min-width:18px;height:18px;border-radius:20px;
  display:flex;align-items:center;justify-content:center;padding:0 5px}
.cart-count:empty,.cart-count[data-n="0"]{display:none}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:22px;cursor:pointer}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--body);font-weight:600;
  font-size:15px;padding:13px 24px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:.2s var(--ease);white-space:nowrap;line-height:1}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--cyan);color:var(--navy);box-shadow:var(--shadow-cyan)}
.btn-primary:hover{background:#4fd4ff;transform:translateY(-2px)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:#2a80ff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.22)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-dark{background:var(--navy);color:#fff}
.btn-dark:hover{background:var(--navy-600)}
.btn-outline{background:#fff;color:var(--navy);border-color:var(--border)}
.btn-outline:hover{border-color:var(--cyan);color:var(--blue)}
.btn-sm{padding:9px 16px;font-size:13px;border-radius:10px}
.btn-lg{padding:16px 30px;font-size:16px}
.btn-danger{background:rgba(255,92,64,.12);color:var(--danger);border-color:rgba(255,92,64,.3)}
.btn-danger:hover{background:var(--danger);color:#fff}
.btn-block{width:100%;justify-content:center}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden;
  padding:96px 0 104px}
.aurora{position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.9}
.aurora::before,.aurora::after{content:"";position:absolute;border-radius:50%;filter:blur(40px)}
.aurora::before{width:640px;height:640px;top:-260px;right:-160px;
  background:var(--glow);animation:float1 14s var(--ease) infinite alternate}
.aurora::after{width:520px;height:520px;bottom:-240px;left:-140px;
  background:radial-gradient(circle at center,rgba(0,102,255,.30),transparent 62%);
  animation:float2 18s var(--ease) infinite alternate}
.hero-grid{position:absolute;inset:0;z-index:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(ellipse 80% 60% at 50% 30%,#000,transparent 78%)}
.hero .wrap{position:relative;z-index:2}
.hero h1{font-size:clamp(38px,6.6vw,74px);margin:22px 0 20px}
.hero h1 .grad{background:linear-gradient(100deg,var(--cyan),#7ee1ff 55%,var(--blue));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:19px;color:rgba(255,255,255,.74);max-width:60ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-badges{display:flex;gap:22px;flex-wrap:wrap;margin-top:40px;
  padding-top:26px;border-top:1px solid var(--border-dark)}
.hero-badge{display:flex;flex-direction:column;gap:2px}
.hero-badge b{font-family:var(--disp);font-size:26px;color:#fff}
.hero-badge span{font-size:12.5px;color:var(--muted-2)}

@keyframes float1{to{transform:translate(-40px,50px) scale(1.1)}}
@keyframes float2{to{transform:translate(50px,-40px) scale(1.15)}}

/* ---------- cards ---------- */
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;transition:.25s var(--ease)}
.card-hover:hover{transform:translateY(-4px);border-color:var(--cyan);box-shadow:var(--shadow)}
.dark .card{background:var(--navy-700);border-color:var(--border-dark)}
.dark .card-hover:hover{border-color:var(--cyan)}

/* feature card */
.feature{display:flex;flex-direction:column;gap:12px}
.feature .ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-size:24px;background:rgba(0,194,255,.12);color:var(--cyan);border:1px solid rgba(0,194,255,.25)}
.feature h3{font-size:20px}
.feature p{color:var(--ink-soft);font-size:14.5px}
.dark .feature p{color:rgba(255,255,255,.62)}
.feature .tag{font-family:var(--disp);font-size:11px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--cyan)}

/* ---------- product card ---------- */
.pcard{background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.25s var(--ease);position:relative}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--cyan)}
.pcard .thumb{aspect-ratio:16/9;position:relative;display:grid;place-items:center;
  color:#fff;font-family:var(--disp);font-weight:800;overflow:hidden}
.pcard .thumb .kind{position:absolute;top:12px;left:12px;font-size:10.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;background:rgba(13,31,60,.72);color:#fff;
  padding:5px 10px;border-radius:8px;backdrop-filter:blur(4px)}
.pcard .thumb .em{font-size:52px;filter:drop-shadow(0 6px 16px rgba(0,0,0,.3))}
.pcard .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.pcard .cat{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.pcard h3{font-size:17px;line-height:1.25}
.pcard .desc{font-size:13px;color:var(--ink-soft);flex:1}
.pcard .foot{display:flex;align-items:center;justify-content:space-between;margin-top:6px}
.price{font-family:var(--disp);font-weight:800;font-size:20px;color:var(--navy)}
.price .cur{color:var(--cyan);font-size:14px}
.price.free{color:var(--success)}

/* ---------- badges / pills ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;
  padding:5px 11px;border-radius:20px;letter-spacing:.02em}
.badge-cyan{background:rgba(0,194,255,.14);color:var(--blue)}
.badge-green{background:rgba(0,214,143,.14);color:#00714A}
.badge-warn{background:rgba(255,184,0,.16);color:#8a6400}
.badge-navy{background:rgba(13,31,60,.08);color:var(--navy)}
.dark .badge-navy{background:rgba(255,255,255,.1);color:#fff}

/* ---------- forms ---------- */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:12.5px;font-weight:600;color:var(--navy);letter-spacing:.02em}
.field .hint{font-size:11.5px;color:var(--muted)}
.input,.select,.textarea{width:100%;padding:12px 14px;border:1px solid var(--border);
  border-radius:11px;font-family:var(--body);font-size:14.5px;color:var(--text);background:#fff;
  transition:.18s}
.textarea{resize:vertical;min-height:100px}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 4px rgba(0,194,255,.14)}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* ---------- table ---------- */
.tablewrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:#fff}
table.data{border-collapse:collapse;width:100%;min-width:640px;font-size:14px}
table.data th,table.data td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--border);vertical-align:middle}
table.data thead th{background:#f6f9fc;font-family:var(--disp);font-size:12px;color:var(--navy);letter-spacing:.03em}
table.data tbody tr:last-child td{border-bottom:none}
table.data tbody tr:hover{background:#f9fcff}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- footer ---------- */
.footer{background:var(--navy-800);color:rgba(255,255,255,.6);padding:56px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
.footer h4{color:#fff;font-size:13px;letter-spacing:.06em;margin-bottom:14px}
.footer a{display:block;color:rgba(255,255,255,.6);font-size:14px;padding:5px 0;transition:.15s}
.footer a:hover{color:var(--cyan)}
.footer .brand{font-size:26px;margin-bottom:12px}
.footer .tagline{font-size:14px;max-width:34ch;line-height:1.7}
.footer-bottom{border-top:1px solid var(--border-dark);padding-top:22px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--muted-2)}

/* ---------- toast ---------- */
.toast-wrap{position:fixed;bottom:24px;right:24px;z-index:200;display:flex;flex-direction:column;gap:10px}
.toast{background:var(--navy);color:#fff;padding:14px 18px;border-radius:12px;
  border:1px solid var(--border-dark);box-shadow:var(--shadow);font-size:14px;
  display:flex;align-items:center;gap:10px;min-width:240px;
  animation:toastIn .3s var(--ease)}
.toast.good{border-left:3px solid var(--success)}
.toast.bad{border-left:3px solid var(--danger)}
.toast.info{border-left:3px solid var(--cyan)}
@keyframes toastIn{from{opacity:0;transform:translateX(30px)}}

/* ---------- modal / drawer ---------- */
.overlay{position:fixed;inset:0;background:rgba(10,20,40,.55);backdrop-filter:blur(3px);
  z-index:150;display:none;align-items:center;justify-content:center;padding:20px}
.overlay.open{display:flex;animation:fade .2s}
@keyframes fade{from{opacity:0}}
.modal{background:#fff;border-radius:var(--radius-lg);max-width:520px;width:100%;
  max-height:90vh;overflow-y:auto;box-shadow:var(--shadow);animation:pop .28s var(--ease)}
@keyframes pop{from{opacity:0;transform:translateY(20px) scale(.97)}}
.modal-head{padding:22px 24px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between}
.modal-head h3{font-size:20px}
.modal-body{padding:24px}
.modal-foot{padding:18px 24px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end}
.x{background:none;border:none;font-size:22px;color:var(--muted);cursor:pointer;line-height:1}

/* cart drawer */
.drawer{position:fixed;top:0;right:0;height:100vh;width:400px;max-width:90vw;background:#fff;
  z-index:160;box-shadow:-20px 0 60px -20px rgba(13,31,60,.4);transform:translateX(100%);
  transition:transform .32s var(--ease);display:flex;flex-direction:column}
.drawer.open{transform:translateX(0)}
.drawer-head{padding:22px 24px;border-bottom:1px solid var(--border);display:flex;
  align-items:center;justify-content:space-between}
.drawer-body{flex:1;overflow-y:auto;padding:16px 24px}
.drawer-foot{padding:20px 24px;border-top:1px solid var(--border)}
.cart-line{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}
.cart-line .em{width:46px;height:46px;border-radius:10px;display:grid;place-items:center;
  font-size:22px;background:var(--ice);flex:none}
.cart-line .info{flex:1;min-width:0}
.cart-line .info h4{font-size:14px;font-family:var(--body);font-weight:600}
.cart-line .info .p{font-size:13px;color:var(--cyan);font-weight:700}
.cart-line .rm{background:none;border:none;color:var(--muted);cursor:pointer;font-size:13px}
.cart-line .rm:hover{color:var(--danger)}

/* ---------- utilities ---------- */
.muted{color:var(--muted)}
.center{text-align:center}
.flex{display:flex}.aic{align-items:center}.jcb{justify-content:space-between}.gap{gap:12px}
.mt-0{margin-top:0}.mt-2{margin-top:20px}.mt-3{margin-top:32px}.mb-2{margin-bottom:20px}
.wrap-narrow{max-width:820px;margin:0 auto;padding:0 24px}
.empty{text-align:center;padding:60px 20px;color:var(--muted)}
.empty .em{font-size:48px;margin-bottom:12px}
.skeleton{background:linear-gradient(100deg,#eef3f8 30%,#f7fafc 50%,#eef3f8 70%);
  background-size:200% 100%;animation:sk 1.2s infinite;border-radius:12px}
@keyframes sk{to{background-position:-200% 0}}
.reveal{opacity:0;transform:translateY(24px);transition:.7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* thumb gradients */
.gr-1{background:linear-gradient(135deg,#0D1F3C,#173a6b)}
.gr-2{background:linear-gradient(135deg,#0066FF,#00C2FF)}
.gr-3{background:linear-gradient(135deg,#12294f,#00C2FF)}
.gr-4{background:linear-gradient(135deg,#0a1830,#0066FF)}
.gr-5{background:linear-gradient(135deg,#164860,#00D68F)}
.gr-6{background:linear-gradient(135deg,#1a3560,#7ee1ff)}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .g-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    background:var(--navy);padding:12px;gap:2px;border-bottom:1px solid var(--border-dark)}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .g-2,.g-3,.g-4,.g-auto{grid-template-columns:1fr}
  .row-2{grid-template-columns:1fr}
  .section{padding:60px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}