/* ═══════════════════════════════════════
   ChainVerify — Main Stylesheet
   Aesthetic: Dark Tech / Blockchain
═══════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=Manrope:wght@300;400;500;600;700;800&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Colors */
  --bg:       #07090f;
  --bg2:      #0d1117;
  --bg3:      #161b27;
  --bg4:      #1c2333;
  --accent:   #00ff88;
  --accent2:  #0ea5e9;
  --accent3:  #a855f7;
  --warn:     #f59e0b;
  --danger:   #ef4444;
  --text:     #e6edf3;
  --text2:    #8b949e;
  --text3:    #484f58;
  --border:   rgba(255,255,255,0.07);
  --border2:  rgba(0,255,136,0.2);
  --card-bg:  rgba(22,27,39,0.8);

  /* Fonts */
  --ff-head: 'Manrope', sans-serif;
  --ff-mono: 'Space Mono', monospace;

  /* Shadows */
  --shadow-green: 0 0 20px rgba(0,255,136,0.15);
  --shadow-blue:  0 0 20px rgba(14,165,233,0.15);
  --shadow-card:  0 8px 32px rgba(0,0,0,0.4);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--ff-head);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent3); border-radius: 3px; }

/* ════════════════════════════
   NAVBAR
════════════════════════════ */
.navbar {
  position: sticky; top: 0; z-index: 500;
  background: rgba(7,9,15,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  height: 62px;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  height: 100%; padding: 0 1.5rem;
  display: flex; align-items: center; gap: 2rem;
}
.nav-logo {
  font-family: var(--ff-head); font-weight: 800; font-size: 18px;
  color: var(--text); text-decoration: none; display: flex; align-items: center; gap: 8px;
  letter-spacing: -0.5px; flex-shrink: 0;
}
.logo-hex { color: var(--accent); font-size: 20px; }
.logo-accent { color: var(--accent); }
.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-link {
  padding: 6px 14px; border-radius: 8px;
  color: var(--text2); text-decoration: none;
  font-size: 13px; font-weight: 500;
  transition: all .2s;
}
.nav-link:hover, .nav-link.active {
  color: var(--text); background: rgba(255,255,255,0.06);
}
.nav-link.active { color: var(--accent); }

/* Wallet Button */
.wallet-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 18px; border-radius: 10px;
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--accent);
  font-family: var(--ff-mono); font-size: 12px; font-weight: 700;
  cursor: pointer; transition: all .25s; flex-shrink: 0;
  letter-spacing: 0.3px;
}
.wallet-btn:hover { background: rgba(0,255,136,0.08); box-shadow: var(--shadow-green); }
.wallet-btn.connected { border-color: rgba(0,255,136,0.4); background: rgba(0,255,136,0.06); }
.wallet-icon { font-size: 16px; }

/* ════════════════════════════
   HERO
════════════════════════════ */
.hero {
  position: relative; min-height: calc(100vh - 62px);
  display: flex; align-items: center;
  padding: 5rem 1.5rem; overflow: hidden;
}
.hero-bg-grid {
  position: absolute; inset: 0; z-index: 0; opacity: .035;
  background-image:
    linear-gradient(rgba(0,255,136,.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,136,.6) 1px, transparent 1px);
  background-size: 44px 44px;
}
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); pointer-events: none; z-index: 0;
}
.orb1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,255,136,.12), transparent 65%);
  top: -10%; left: -5%;
}
.orb2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(168,85,247,.1), transparent 65%);
  bottom: -20%; right: -10%;
}
.hero-content {
  position: relative; z-index: 1;
  max-width: 620px; flex: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 14px; border-radius: 20px;
  background: rgba(0,255,136,0.06);
  border: 1px solid rgba(0,255,136,0.2);
  font-size: 11px; font-weight: 700; color: var(--accent);
  letter-spacing: 1px; text-transform: uppercase; margin-bottom: 24px;
}
.badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.hero-title {
  font-family: var(--ff-head); font-size: clamp(38px,5.5vw,64px);
  font-weight: 800; line-height: 1.05;
  letter-spacing: -2px; margin-bottom: 20px;
}
.title-outline {
  -webkit-text-stroke: 1.5px var(--accent);
  color: transparent;
}
.hero-sub {
  color: var(--text2); font-size: 16px; line-height: 1.75;
  max-width: 520px; margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 48px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 26px; border-radius: 10px;
  font-family: var(--ff-head); font-weight: 700; font-size: 14px;
  text-decoration: none; border: none; cursor: pointer;
  transition: all .25s; letter-spacing: 0.2px;
}
.btn-primary {
  background: var(--accent); color: #030507;
}
.btn-primary:hover {
  background: #00e87a; transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(0,255,136,0.3);
}
.btn-outline {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: rgba(255,255,255,0.25); background: rgba(255,255,255,0.04); }
.btn-blue {
  background: var(--accent2); color: #fff;
}
.btn-blue:hover { background: #38bdf8; transform: translateY(-1px); box-shadow: var(--shadow-blue); }
.btn-purple {
  background: var(--accent3); color: #fff;
}
.btn-purple:hover { opacity: .9; transform: translateY(-1px); }
.btn-danger {
  background: rgba(239,68,68,0.12); color: var(--danger);
  border: 1px solid rgba(239,68,68,0.3);
}
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-full { width: 100%; justify-content: center; padding: 13px; font-size: 15px; }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none!important; }

/* Hero Stats */
.hero-stats {
  display: flex; align-items: center; gap: 24px;
  padding: 18px 24px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 14px; width: fit-content;
}
.stat-num {
  display: block; font-family: var(--ff-mono);
  font-size: 26px; font-weight: 700; color: var(--accent);
  line-height: 1;
}
.stat-lbl { font-size: 11px; color: var(--text2); font-weight: 500; margin-top: 3px; }
.stat-sep { color: var(--text3); font-size: 20px; }

/* Chain Visual (hero right) */
.chain-visual {
  position: absolute; right: 6%; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  z-index: 1;
}
.chain-block {
  width: 210px; padding: 14px 18px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 12px; font-family: var(--ff-mono);
  transition: all .3s;
}
.chain-block:hover { border-color: var(--border2); box-shadow: var(--shadow-green); }
.cb-label { font-size: 10px; color: var(--text2); letter-spacing: 1px; margin-bottom: 4px; }
.cb-hash { font-size: 12px; color: var(--accent2); margin-bottom: 6px; }
.cb-tag { font-size: 11px; color: var(--text); font-family: var(--ff-head); font-weight: 600; }
.cb1 { opacity: 0.6; }
.cb2 { opacity: 0.8; }
.cb3 { border-color: rgba(0,255,136,0.3); }
.pulse-block { animation: blockpulse 2.5s ease-in-out infinite; }
@keyframes blockpulse {
  0%,100% { box-shadow: 0 0 0 rgba(0,255,136,0); }
  50% { box-shadow: 0 0 20px rgba(0,255,136,0.2); }
}
.chain-arrow { color: var(--accent); font-size: 18px; opacity: .5; }

/* ════════════════════════════
   SECTIONS
════════════════════════════ */
.section { padding: 80px 1.5rem; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-tag {
  font-size: 11px; font-weight: 700; letter-spacing: 2px;
  color: var(--accent); text-transform: uppercase; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px,4vw,42px); font-weight: 800;
  letter-spacing: -1px; margin-bottom: 48px;
}

/* Steps */
.how-section { background: var(--bg2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.steps { display: flex; align-items: flex-start; gap: 0; }
.step {
  flex: 1; padding: 28px 24px; position: relative;
}
.step-num {
  font-family: var(--ff-mono); font-size: 11px; font-weight: 700;
  color: var(--accent); letter-spacing: 1px; margin-bottom: 14px;
}
.step-icon { font-size: 32px; margin-bottom: 14px; }
.step h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.step p { color: var(--text2); font-size: 14px; line-height: 1.65; }
.step-connector {
  width: 1px; min-height: 120px; margin-top: 60px;
  background: linear-gradient(to bottom, transparent, var(--accent), transparent);
  flex-shrink: 0;
}

/* Ticker */
.ticker-section {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 1.5rem; overflow: hidden;
  background: var(--bg3); border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.ticker-label {
  font-family: var(--ff-mono); font-size: 10px; font-weight: 700;
  color: var(--accent); letter-spacing: 1.5px; white-space: nowrap;
  padding: 4px 10px; background: rgba(0,255,136,0.08);
  border: 1px solid var(--border2); border-radius: 6px;
}
.ticker-wrap { overflow: hidden; flex: 1; }
.ticker-track {
  display: flex; gap: 40px; white-space: nowrap;
  animation: ticker 30s linear infinite;
}
.ticker-item {
  font-family: var(--ff-mono); font-size: 12px; color: var(--text2);
  flex-shrink: 0;
}
.ticker-item .t-hash { color: var(--accent2); }
.ticker-item .t-ok { color: var(--accent); }
.ticker-item .t-fail { color: var(--danger); }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Brands Grid */
.brands-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr));
  gap: 16px;
}
.brand-card {
  padding: 20px 22px; background: var(--card-bg);
  border: 1px solid var(--border); border-radius: 14px;
  transition: all .25s; cursor: pointer; text-decoration: none; color: var(--text);
}
.brand-card:hover { border-color: var(--border2); box-shadow: var(--shadow-green); transform: translateY(-2px); }
.brand-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.brand-name { font-size: 18px; font-weight: 800; }
.brand-badge { font-size: 10px; padding: 3px 9px; border-radius: 20px; font-weight: 700; letter-spacing: .5px; }
.badge-active { background: rgba(0,255,136,0.1); color: var(--accent); border: 1px solid rgba(0,255,136,0.25); }
.brand-address { font-family: var(--ff-mono); font-size: 11px; color: var(--accent2); margin-bottom: 10px; }
.brand-stats-row { display: flex; gap: 16px; font-size: 12px; color: var(--text2); }
.brand-stats-row span { color: var(--text); font-weight: 600; }

/* ════════════════════════════
   PAGE LAYOUT
════════════════════════════ */
.page-wrap { max-width: 820px; margin: 0 auto; padding: 3rem 1.5rem 5rem; }
.page-wrap-wide { max-width: 1100px; margin: 0 auto; padding: 3rem 1.5rem 5rem; }
.page-header { margin-bottom: 32px; }
.page-tag { font-size: 11px; font-weight: 700; color: var(--accent); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 8px; }
.page-title { font-size: clamp(26px,4vw,38px); font-weight: 800; letter-spacing: -1px; margin-bottom: 8px; }
.page-sub { color: var(--text2); font-size: 15px; line-height: 1.65; }

/* ════════════════════════════
   CARDS & FORM
════════════════════════════ */
.card {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px; backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card);
}
.card + .card { margin-top: 20px; }
.card-title {
  font-size: 15px; font-weight: 700; margin-bottom: 20px;
  padding-bottom: 14px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
}
.card-title-icon { font-size: 18px; }

/* Form */
.field { margin-bottom: 18px; }
.field label {
  display: block; font-size: 12px; font-weight: 700; color: var(--text2);
  margin-bottom: 7px; letter-spacing: .4px; text-transform: uppercase;
}
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 15px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text);
  font-family: var(--ff-head); font-size: 14px;
  outline: none; transition: border-color .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent2); }
.field input::placeholder { color: var(--text3); }
.field select option { background: var(--bg2); }
.field textarea { resize: vertical; min-height: 80px; }
.field-hint { font-size: 12px; color: var(--text2); margin-top: 5px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }

/* ════════════════════════════
   CONSOLE / LOG
════════════════════════════ */
.console {
  background: #010409; border: 1px solid rgba(0,255,136,0.15);
  border-radius: 12px; padding: 16px; font-family: var(--ff-mono);
  font-size: 12px; min-height: 120px; max-height: 260px;
  overflow-y: auto;
}
.console-header {
  display: flex; align-items: center; gap: 8px; margin-bottom: 12px;
  padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,0.05);
}
.console-dot { width: 8px; height: 8px; border-radius: 50%; }
.cd-red { background: #ff5f57; }
.cd-yellow { background: #febc2e; }
.cd-green { background: #28c840; }
.console-title { color: var(--text2); font-size: 11px; }
.log-line { margin-bottom: 5px; line-height: 1.6; }
.log-time { color: var(--text3); margin-right: 8px; }
.log-ok { color: var(--accent); }
.log-info { color: var(--accent2); }
.log-warn { color: var(--warn); }
.log-err { color: var(--danger); }

/* ════════════════════════════
   ALERTS & BADGES
════════════════════════════ */
.alert {
  padding: 12px 16px; border-radius: 10px; font-size: 14px;
  margin-bottom: 16px; display: flex; align-items: flex-start; gap: 10px;
}
.alert-success { background: rgba(0,255,136,0.07); border: 1px solid rgba(0,255,136,0.25); color: #6ee7b7; }
.alert-error { background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.25); color: #fca5a5; }
.alert-info { background: rgba(14,165,233,0.08); border: 1px solid rgba(14,165,233,0.25); color: #7dd3fc; }
.alert-warn { background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.25); color: #fcd34d; }
.alert-icon { font-size: 18px; flex-shrink: 0; }
.hidden { display: none!important; }

/* Badges */
.badge {
  display: inline-block; padding: 2px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700; letter-spacing: .4px;
}
.badge-green { background: rgba(0,255,136,0.1); color: var(--accent); border: 1px solid rgba(0,255,136,0.25); }
.badge-blue { background: rgba(14,165,233,0.1); color: var(--accent2); border: 1px solid rgba(14,165,233,0.25); }
.badge-purple { background: rgba(168,85,247,0.1); color: var(--accent3); border: 1px solid rgba(168,85,247,0.25); }
.badge-red { background: rgba(239,68,68,0.1); color: var(--danger); border: 1px solid rgba(239,68,68,0.25); }
.badge-gray { background: rgba(255,255,255,0.06); color: var(--text2); border: 1px solid var(--border); }

/* ════════════════════════════
   VERIFY RESULT
════════════════════════════ */
.verify-result {
  text-align: center; padding: 36px 24px;
  border-radius: 16px; margin-top: 20px;
  animation: fadeUp .4s ease both;
}
.verify-result.genuine {
  background: rgba(0,255,136,0.04);
  border: 1px solid rgba(0,255,136,0.3);
}
.verify-result.fake {
  background: rgba(239,68,68,0.04);
  border: 1px solid rgba(239,68,68,0.3);
}
.vr-icon { font-size: 60px; margin-bottom: 12px; }
.vr-title { font-size: 28px; font-weight: 800; margin-bottom: 8px; font-family: var(--ff-head); letter-spacing: -0.5px; }
.vr-title.genuine { color: var(--accent); }
.vr-title.fake { color: var(--danger); }
.vr-sub { color: var(--text2); font-size: 14px; margin-bottom: 20px; }
.vr-details { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; text-align: left; margin-top: 20px; }
.vr-cell { padding: 12px 14px; background: rgba(0,0,0,0.25); border-radius: 10px; }
.vr-cell-lbl { font-size: 10px; color: var(--text2); text-transform: uppercase; letter-spacing: .4px; margin-bottom: 3px; font-weight: 700; }
.vr-cell-val { font-size: 14px; font-weight: 600; }

/* QR Upload Area */
.qr-drop {
  border: 2px dashed rgba(14,165,233,0.3); border-radius: 14px;
  padding: 28px; text-align: center; cursor: pointer;
  transition: all .25s; margin-bottom: 20px;
}
.qr-drop:hover { border-color: var(--accent2); background: rgba(14,165,233,0.04); }
.qr-drop-icon { font-size: 36px; margin-bottom: 10px; }
.qr-drop p { color: var(--text2); font-size: 14px; }
.qr-drop p small { font-size: 12px; color: var(--text3); display: block; margin-top: 4px; }

/* QR Display */
.qr-output-wrap {
  display: inline-block; padding: 16px;
  background: #fff; border-radius: 12px; margin: 12px auto; display: block; width: fit-content;
}

/* Product Table */
.ptable { width: 100%; border-collapse: collapse; }
.ptable th {
  text-align: left; font-size: 11px; font-weight: 700;
  color: var(--text2); letter-spacing: .5px; text-transform: uppercase;
  padding: 10px 14px; border-bottom: 1px solid var(--border);
}
.ptable td {
  padding: 12px 14px; font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.ptable tr:last-child td { border-bottom: none; }
.ptable tr:hover td { background: rgba(255,255,255,0.02); }
.ptable .mono { font-family: var(--ff-mono); font-size: 11px; color: var(--accent2); }

/* Tabs */
.tabs { display: flex; gap: 4px; margin-bottom: 20px; padding: 4px; background: var(--bg3); border-radius: 11px; }
.tab-btn {
  flex: 1; padding: 9px; border-radius: 8px; border: none;
  background: transparent; color: var(--text2);
  font-family: var(--ff-head); font-size: 13px; font-weight: 600;
  cursor: pointer; transition: all .2s;
}
.tab-btn.active { background: var(--bg); color: var(--text); box-shadow: 0 1px 6px rgba(0,0,0,0.4); }

/* divider */
.divider {
  display: flex; align-items: center; gap: 12px; margin: 20px 0;
}
.divider::before,.divider::after { content:''; flex:1; height:1px; background: var(--border); }
.divider span { font-size: 12px; color: var(--text2); letter-spacing: 1px; }

/* ════════════════════════════
   FOOTER
════════════════════════════ */
.footer {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 40px 1.5rem;
}
.footer-inner { max-width: 1100px; margin: 0 auto; text-align: center; }
.footer-logo { font-size: 20px; font-weight: 800; color: var(--accent); margin-bottom: 10px; }
.footer-desc { color: var(--text2); font-size: 13px; max-width: 500px; margin: 0 auto 20px; line-height: 1.6; }
.footer-links { display: flex; justify-content: center; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
.footer-link {
  display: flex; align-items: center; gap: 6px;
  color: var(--text2); text-decoration: none; font-size: 13px; font-weight: 500;
  transition: color .2s;
}
.footer-link:hover { color: var(--accent); }
.footer-copy { font-size: 12px; color: var(--text3); }

/* ════════════════════════════
   ANIMATIONS
════════════════════════════ */
@keyframes fadeUp {
  from { opacity:0; transform: translateY(16px); }
  to { opacity:1; transform: translateY(0); }
}
.fade-up { animation: fadeUp .4s ease both; }
@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 1s linear infinite; }

/* ════════════════════════════
   RESPONSIVE
════════════════════════════ */
@media (max-width: 900px) {
  .chain-visual { display: none; }
  .hero-content { max-width: 100%; }
  .steps { flex-direction: column; }
  .step-connector { width: 40px; height: 1px; min-height: unset; background: linear-gradient(to right, transparent, var(--accent), transparent); margin: 0; }
  .field-row { grid-template-columns: 1fr; }
  .vr-details { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .nav-links { display: none; }
  .hero { padding: 3rem 1rem; min-height: auto; padding-top: 4rem; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .stat-sep { display: none; }
}