/* ===== Z-H-H Barcode Scanner — Premium Theme ===== */
:root{
  --bg:#070a13;
  --bg-2:#0b1020;
  --surface:rgba(255,255,255,.04);
  --surface-2:rgba(255,255,255,.06);
  --border:rgba(255,255,255,.08);
  --text:#e8ecf6;
  --muted:#9aa3b8;
  --primary:#00e6a8;
  --primary-2:#5b8cff;
  --accent:#ff5cf2;
  --danger:#ff5b6b;
  --radius:18px;
  --shadow-lg:0 20px 60px rgba(0,0,0,.45);
  --grad: linear-gradient(135deg,#00e6a8 0%, #5b8cff 60%, #ff5cf2 120%);
  --grad-soft: linear-gradient(135deg, rgba(0,230,168,.18), rgba(91,140,255,.18) 60%, rgba(255,92,242,.18));
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:'Space Grotesk',system-ui,-apple-system,Segoe UI,Roboto,Inter,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.55;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.hidden{display:none !important}
.muted{color:var(--muted)}

/* ===== Animated background ===== */
.bg-blobs{position:fixed;inset:0;z-index:-1;overflow:hidden;background:radial-gradient(1200px 700px at 20% -10%, #11203a 0%, transparent 60%), radial-gradient(900px 600px at 100% 20%, #1a1230 0%, transparent 60%), var(--bg)}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;mix-blend-mode:screen;animation:float 16s ease-in-out infinite}
.b1{width:520px;height:520px;left:-120px;top:-120px;background:#00e6a8}
.b2{width:480px;height:480px;right:-140px;top:30%;background:#5b8cff;animation-delay:-4s}
.b3{width:420px;height:420px;left:30%;bottom:-160px;background:#ff5cf2;animation-delay:-8s}
.grid-overlay{position:absolute;inset:0;background-image:linear-gradient(transparent 95%, rgba(255,255,255,.06) 95%), linear-gradient(90deg, transparent 95%, rgba(255,255,255,.06) 95%);background-size:42px 42px;mask-image:radial-gradient(ellipse at center, #000 35%, transparent 75%);opacity:.35}
@keyframes float{0%,100%{transform:translate3d(0,0,0) scale(1)}50%{transform:translate3d(20px,-30px,0) scale(1.06)}}

/* ===== Navbar ===== */
.nav{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:14px;padding:14px 22px;background:linear-gradient(to bottom, rgba(7,10,19,.85), rgba(7,10,19,.55));backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.brand{display:flex;align-items:center;gap:10px}
.brand-logo{display:inline-flex}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text strong{font-size:18px;letter-spacing:.18em}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.2em;text-transform:uppercase;margin-top:3px}
.nav-links{display:none;margin-left:auto;gap:22px}
.nav-links a{color:var(--muted);font-weight:500;position:relative;padding:6px 0}
.nav-links a:hover{color:var(--text)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--grad);transition:width .25s ease}
.nav-links a:hover::after{width:100%}
.wa-mini{margin-left:auto;color:#bff7e2;border:1px solid rgba(0,230,168,.35) !important}
@media(min-width:880px){.nav-links{display:flex}.wa-mini{margin-left:0}}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:12px;font-weight:600;font-size:14px;border:1px solid transparent;cursor:pointer;transition:transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s;letter-spacing:.02em}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--grad);color:#06121b;box-shadow:0 10px 30px rgba(0,230,168,.25)}
.btn-primary:hover{box-shadow:0 14px 38px rgba(0,230,168,.45);transform:translateY(-1px)}
.btn-ghost{background:var(--surface);color:var(--text);border-color:var(--border)}
.btn-ghost:hover{background:var(--surface-2);border-color:rgba(255,255,255,.18)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== Hero ===== */
.hero{display:grid;grid-template-columns:1fr;gap:28px;padding:38px 22px 20px;max-width:1200px;margin:0 auto}
@media(min-width:1000px){.hero{grid-template-columns:1.05fr 1fr;align-items:center;padding:60px 28px 30px}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid var(--border);border-radius:999px;background:var(--surface);font-size:12px;color:var(--muted);letter-spacing:.18em;text-transform:uppercase}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(0,230,168,.18);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(0,230,168,0)}}
.hero h1{font-size:clamp(34px,6vw,58px);line-height:1.05;margin:18px 0 14px;font-weight:700;letter-spacing:-.02em}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:16px;color:var(--muted);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.trust{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:13px}

/* ===== Scanner card ===== */
.scan-card{background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));border:1px solid var(--border);border-radius:24px;padding:14px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.scan-card::before{content:"";position:absolute;inset:-1px;border-radius:24px;padding:1px;background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.55;pointer-events:none}
.scan-tabs{display:flex;gap:6px;background:var(--surface);padding:4px;border-radius:12px;border:1px solid var(--border);width:fit-content;margin-bottom:12px}
.tab{appearance:none;background:transparent;border:0;color:var(--muted);padding:8px 14px;font-weight:600;border-radius:9px;cursor:pointer;font-family:inherit}
.tab.active{background:var(--grad);color:#06121b}
.panel{display:flex;flex-direction:column;gap:12px}
.viewport{position:relative;border-radius:16px;overflow:hidden;background:#000;aspect-ratio:4/3;border:1px solid var(--border)}
#video{width:100%;height:100%;object-fit:cover;display:block;background:#000}
.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}
.frame{position:relative;width:78%;height:62%;border-radius:14px}
.corner{position:absolute;width:28px;height:28px;border:3px solid var(--primary);border-radius:6px}
.corner.tl{top:0;left:0;border-right:0;border-bottom:0}
.corner.tr{top:0;right:0;border-left:0;border-bottom:0}
.corner.bl{bottom:0;left:0;border-right:0;border-top:0}
.corner.br{bottom:0;right:0;border-left:0;border-top:0}
.laser{position:absolute;left:8%;right:8%;top:0;height:2px;background:linear-gradient(90deg, transparent, var(--primary), transparent);box-shadow:0 0 16px rgba(0,230,168,.7);animation:scan 2.4s ease-in-out infinite}
@keyframes scan{0%{top:6%}50%{top:90%}100%{top:6%}}
.hint{position:absolute;bottom:10px;left:0;right:0;text-align:center;color:#cfe9dd;font-size:12px;letter-spacing:.06em;text-shadow:0 1px 6px rgba(0,0,0,.6)}
.controls{display:flex;flex-wrap:wrap;gap:10px;align-items:end}
.select{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted);min-width:160px;flex:1 1 200px}
.select select{appearance:none;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-family:inherit;font-size:14px}

/* Dropzone */
.dropzone{position:relative;border:1.5px dashed rgba(255,255,255,.18);border-radius:16px;background:var(--surface);padding:24px;min-height:240px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s;overflow:hidden}
.dropzone:hover,.dropzone.dragover{border-color:var(--primary);background:rgba(0,230,168,.06)}
.dz-inner{text-align:center;color:var(--muted)}
.dz-icon{font-size:34px;margin-bottom:6px;color:var(--primary)}
.dz-title{font-weight:600;color:var(--text)}
.dz-sub{font-size:12px;margin-top:4px}
#preview{position:absolute;inset:6px;width:calc(100% - 12px);height:calc(100% - 12px);object-fit:contain;border-radius:12px;display:none;background:#000}
#preview.show{display:block}

/* Result */
.result{margin-top:6px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px;font-family:'JetBrains Mono',monospace;font-size:13px;min-height:60px;word-break:break-all;animation:fade .25s ease both}
.result-empty{color:var(--muted);font-family:'Space Grotesk',sans-serif;font-size:14px;text-align:center;padding:6px}
.result .meta{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px;font-family:'Space Grotesk',sans-serif}
.chip{display:inline-flex;align-items:center;gap:6px;background:rgba(0,230,168,.12);color:#9af6d5;border:1px solid rgba(0,230,168,.3);padding:3px 10px;border-radius:999px;font-size:11px;letter-spacing:.06em;text-transform:uppercase;font-weight:600}
.chip.alt{background:rgba(91,140,255,.12);color:#b8caff;border-color:rgba(91,140,255,.3)}
.result .value{background:rgba(0,0,0,.35);padding:10px 12px;border-radius:10px;border:1px solid var(--border);white-space:pre-wrap}
.result .actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;font-family:'Space Grotesk',sans-serif}
.result .actions .btn{padding:8px 14px;font-size:13px}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ===== Sections ===== */
.section{max-width:1200px;margin:60px auto;padding:0 22px}
.section-head{text-align:center;margin-bottom:30px}
.section-head h2{font-size:clamp(26px,4vw,40px);margin:14px 0 8px;letter-spacing:-.02em}
.section-head p{color:var(--muted);max-width:560px;margin:0 auto}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.feature{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:20px;transition:transform .25s ease, border-color .25s, background .25s}
.feature:hover{transform:translateY(-4px);border-color:rgba(0,230,168,.4);background:linear-gradient(180deg, rgba(0,230,168,.06), rgba(255,255,255,.02))}
.feature .ico{font-size:24px;width:46px;height:46px;border-radius:12px;background:var(--grad-soft);display:inline-flex;align-items:center;justify-content:center;margin-bottom:10px;border:1px solid var(--border)}
.feature h3{margin:6px 0 6px;font-size:17px}
.feature p{margin:0;color:var(--muted);font-size:14px}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;max-width:1100px;margin:30px auto;padding:0 22px}
@media(min-width:760px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px;text-align:center}
.stat strong{display:block;font-size:32px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:700}
.stat span{color:var(--muted);font-size:12px;letter-spacing:.14em;text-transform:uppercase}

/* Steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:780px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:22px;position:relative;overflow:hidden}
.step .num{font-family:'JetBrains Mono',monospace;color:transparent;background:var(--grad);-webkit-background-clip:text;background-clip:text;font-size:34px;font-weight:700;margin-bottom:6px}
.step h3{margin:4px 0 6px;font-size:18px}
.step p{margin:0;color:var(--muted);font-size:14px}

/* History */
.history-tools{display:flex;justify-content:center;gap:8px;margin-bottom:14px}
.history{list-style:none;padding:0;margin:0;display:grid;gap:10px;max-width:820px;margin:0 auto}
.history li{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:12px 14px;display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center}
.history .h-type{font-size:11px;background:rgba(91,140,255,.12);color:#b8caff;border:1px solid rgba(91,140,255,.3);padding:3px 8px;border-radius:999px;letter-spacing:.06em;text-transform:uppercase;font-weight:600;font-family:'Space Grotesk',sans-serif}
.history .h-val{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.history .h-time{color:var(--muted);font-size:12px}
.history .empty{text-align:center;color:var(--muted);padding:22px;border:1px dashed var(--border);border-radius:14px;background:transparent}

/* About */
.about-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
@media(min-width:900px){.about-grid{grid-template-columns:1.2fr .8fr}}
.about h2{font-size:clamp(26px,4vw,40px);margin:12px 0 12px;letter-spacing:-.02em}
.profile-card{background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));border:1px solid var(--border);border-radius:22px;padding:22px;display:grid;gap:14px;box-shadow:var(--shadow-lg)}
.avatar{width:74px;height:74px;border-radius:50%;background:var(--grad);display:flex;align-items:center;justify-content:center;font-weight:700;color:#06121b;font-size:24px;letter-spacing:.06em}
.profile-meta{display:flex;flex-direction:column;line-height:1.2}
.profile-meta strong{font-size:18px}
.profile-meta span{color:var(--muted);font-size:13px;margin-top:4px}
.profile-list{list-style:none;padding:0;margin:0;display:grid;gap:8px;color:var(--muted);font-size:14px}

/* Footer */
.footer{margin-top:60px;border-top:1px solid var(--border);background:rgba(0,0,0,.3)}
.footer-inner{max-width:1200px;margin:0 auto;padding:24px 22px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;align-items:center}
.footer-links{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.footer-links a:hover{color:var(--text)}

/* WhatsApp FAB */
.wa-fab{position:fixed;right:16px;bottom:16px;background:#25D366;color:#fff;border-radius:999px;padding:12px 16px;display:inline-flex;gap:8px;align-items:center;box-shadow:0 14px 40px rgba(37,211,102,.45);z-index:50;font-weight:600;font-size:14px;animation:waPulse 2.4s ease-in-out infinite}
.wa-fab:hover{transform:translateY(-2px)}
@keyframes waPulse{0%,100%{box-shadow:0 14px 40px rgba(37,211,102,.45)}50%{box-shadow:0 14px 60px rgba(37,211,102,.85)}}

/* Toast */
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%) translateY(20px);background:rgba(0,0,0,.85);border:1px solid var(--border);color:#fff;padding:10px 16px;border-radius:12px;font-size:13px;opacity:0;pointer-events:none;transition:.25s;z-index:60}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* Reveal animations */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
/* JS-ready safety: if JS fails, show everything after a tick */
html.no-js .reveal{opacity:1;transform:none}

/* Responsive niceties */
@media(max-width:520px){
  .hero{padding:24px 16px}
  .section{padding:0 16px;margin:46px auto}
  .footer-inner{padding:20px 16px}
  .wa-fab span{display:none}
  .wa-fab{padding:14px}
}