/* ============================================================
   BINVault — Main Stylesheet
   Aesthetic: Dark tech / terminal / fintech precision
============================================================ */

/* ---- Variables ------------------------------------------ */
:root {
  --bg:         #0a0c10;
  --bg2:        #0f1117;
  --bg3:        #161b26;
  --border:     #1e2533;
  --border2:    #2a3347;
  --accent:     #00e5ff;
  --accent2:    #7c3aed;
  --accent3:    #10b981;
  --warn:       #f59e0b;
  --danger:     #ef4444;
  --text:       #e2e8f0;
  --text2:      #94a3b8;
  --text3:      #4b5668;
  --card-bg:    #111520;
  --card-shadow: 0 4px 40px rgba(0,229,255,.06), 0 1px 3px rgba(0,0,0,.6);
  --radius:     12px;
  --radius-sm:  8px;
  --font-display: 'Syne', sans-serif;
  --font-mono:    'Space Mono', monospace;
}

/* ---- Reset ---------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  line-height: 1.65;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

/* ---- Container ------------------------------------------ */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ---- Header --------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,12,16,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex; align-items: center; gap: 24px;
  height: 64px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-size: 1.3rem; font-weight: 800;
  color: var(--text); text-decoration: none;
  letter-spacing: -.02em;
}
.logo-icon {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 8px;
  display: grid; place-items: center;
  font-size: .85rem; color: #000;
}
.logo strong { color: var(--accent); }
.main-nav {
  display: flex; gap: 6px; margin-left: auto;
}
.main-nav a {
  padding: 6px 14px;
  border-radius: 6px;
  color: var(--text2);
  font-size: .875rem;
  font-weight: 600;
  transition: color .2s, background .2s;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--text);
  background: var(--bg3);
  text-decoration: none;
}
.nav-toggle {
  display: none; background: none; border: none;
  color: var(--text); font-size: 1.2rem; cursor: pointer;
  margin-left: auto;
}

/* ---- Hero ----------------------------------------------- */
.hero {
  position: relative;
  padding: 90px 0 80px;
  overflow: hidden;
  text-align: center;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
}
.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: .35;
}
.glow {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: .18;
}
.glow-1 { width: 500px; height: 500px; background: var(--accent); top: -120px; left: 50%; transform: translateX(-50%); }
.glow-2 { width: 300px; height: 300px; background: var(--accent2); bottom: -60px; right: 10%; }
.hero-inner { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(0,229,255,.08);
  border: 1px solid rgba(0,229,255,.25);
  padding: 5px 14px; border-radius: 20px;
  font-size: .75rem; font-weight: 700;
  color: var(--accent); letter-spacing: .06em;
  text-transform: uppercase; margin-bottom: 24px;
  animation: fadeSlideDown .6s ease both;
}
.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.04em;
  animation: fadeSlideDown .6s .1s ease both;
  color: var(--text);
}
.hero-title .accent { color: var(--accent); }
.hero-sub {
  max-width: 540px; margin: 20px auto 36px;
  color: var(--text2); font-size: 1.05rem;
  animation: fadeSlideDown .6s .2s ease both;
}

/* ---- Search Box ----------------------------------------- */
.search-wrap { animation: fadeSlideDown .6s .3s ease both; }
.search-box {
  display: flex; align-items: center;
  background: var(--bg3);
  border: 1.5px solid var(--border2);
  border-radius: 14px;
  padding: 6px 6px 6px 18px;
  max-width: 640px; margin: 0 auto;
  transition: border-color .2s, box-shadow .2s;
}
.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,229,255,.12);
}
.search-icon { color: var(--text3); font-size: 1rem; margin-right: 10px; flex-shrink: 0; }
#binInput {
  flex: 1; background: none; border: none; outline: none;
  color: var(--text); font-family: var(--font-mono);
  font-size: 1.1rem; letter-spacing: .08em;
  min-width: 0;
}
#binInput::placeholder { color: var(--text3); font-family: var(--font-display); letter-spacing: 0; font-size: .95rem; }
.btn-lookup {
  padding: 11px 26px;
  background: linear-gradient(135deg, var(--accent), #00b8cc);
  border: none; border-radius: 9px;
  color: #000; font-family: var(--font-display);
  font-weight: 700; font-size: .9rem;
  cursor: pointer; white-space: nowrap;
  transition: opacity .2s, transform .1s;
  display: flex; align-items: center; gap: 6px;
}
.btn-lookup:hover { opacity: .9; }
.btn-lookup:active { transform: scale(.97); }
.search-hint {
  font-size: .75rem; color: var(--text3);
  margin-top: 12px; display: flex; justify-content: center;
  align-items: center; gap: 6px;
}

/* ---- Results -------------------------------------------- */
.results-section { padding: 40px 0; }
.results-card {
  background: var(--card-bg);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  animation: fadeSlideUp .4s ease;
}
.result-header {
  display: flex; align-items: center; gap: 16px;
  padding: 22px 28px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(0,229,255,.04), transparent);
}
.result-bin {
  font-family: var(--font-mono);
  font-size: 1.6rem; font-weight: 700;
  color: var(--accent); letter-spacing: .1em;
}
.result-scheme-icon { font-size: 2.2rem; color: var(--text2); }
.result-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 11px; border-radius: 20px;
  font-size: .72rem; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
}
.badge-credit   { background: rgba(124,58,237,.18); color: #a78bfa; border: 1px solid rgba(124,58,237,.35); }
.badge-debit    { background: rgba(16,185,129,.18); color: #34d399; border: 1px solid rgba(16,185,129,.35); }
.badge-prepaid  { background: rgba(245,158,11,.18); color: #fbbf24; border: 1px solid rgba(245,158,11,.35); }
.badge-virtual  { background: rgba(0,229,255,.12); color: var(--accent); border: 1px solid rgba(0,229,255,.25); }
.badge-charge   { background: rgba(239,68,68,.18); color: #f87171; border: 1px solid rgba(239,68,68,.35); }
.badge-corporate{ background: rgba(71,85,105,.35); color: #94a3b8; border: 1px solid #2a3347; }
.badge-default  { background: var(--bg3); color: var(--text2); border: 1px solid var(--border2); }
.badge-prepaid-flag { background: rgba(245,158,11,.12); color: #fbbf24; border: 1px solid rgba(245,158,11,.3); }

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1px; background: var(--border);
}
.result-cell {
  background: var(--card-bg);
  padding: 20px 24px;
}
.rc-label {
  font-size: .7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--text3); margin-bottom: 6px;
  display: flex; align-items: center; gap: 7px;
}
.rc-label i { color: var(--accent); font-size: .8rem; }
.rc-value {
  font-size: 1rem; font-weight: 600;
  color: var(--text);
}
.rc-value a { color: var(--accent); }
.rc-flag { font-size: 1.4rem; line-height: 1; }

.result-error {
  padding: 32px 28px;
  display: flex; align-items: center; gap: 16px;
  color: var(--danger);
}
.result-error i { font-size: 1.5rem; }

/* ---- Features ------------------------------------------- */
.features-section { padding: 72px 0; }
.section-title {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800; letter-spacing: -.03em;
  margin-bottom: 48px; color: var(--text);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color .2s, transform .2s;
}
.feature-card:hover {
  border-color: var(--border2);
  transform: translateY(-3px);
}
.f-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, rgba(0,229,255,.12), rgba(124,58,237,.08));
  border: 1px solid rgba(0,229,255,.2);
  border-radius: 10px;
  display: grid; place-items: center;
  font-size: 1.1rem; color: var(--accent);
  margin-bottom: 16px;
}
.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: .875rem; color: var(--text2); line-height: 1.6; }

/* ---- Ad Slots ------------------------------------------- */
.ad-slot {
  padding: 20px 0;
  text-align: center;
}
.ad-label {
  font-size: .65rem; color: var(--text3);
  text-transform: uppercase; letter-spacing: .1em;
  margin-bottom: 6px;
}
.ad-placeholder {
  background: var(--bg3);
  border: 1px dashed var(--border2);
  border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 90px; min-width: 300px;
  max-width: 100%;
  padding: 0 20px;
}
.ad-placeholder span { color: var(--text3); font-size: .8rem; }

/* ---- Recent Lookups ------------------------------------- */
.recent-section { padding: 48px 0; }
.recent-table-wrap { overflow-x: auto; }
.recent-table {
  width: 100%; border-collapse: collapse;
  font-size: .875rem;
}
.recent-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: .7rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--text3);
  background: var(--bg3);
  border-bottom: 1px solid var(--border2);
}
.recent-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.recent-table tr:hover td { background: var(--bg3); cursor: pointer; }
.recent-table .mono { font-family: var(--font-mono); letter-spacing: .06em; color: var(--accent); }

/* ---- Info Section --------------------------------------- */
.info-section { padding: 64px 0; }
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: 40px;
}
.info-block h2 {
  font-size: 1.3rem; font-weight: 700;
  letter-spacing: -.02em; margin-bottom: 14px;
}
.info-block p, .info-block li {
  color: var(--text2); font-size: .95rem; line-height: 1.75;
  margin-bottom: 12px;
}
.info-block ol { padding-left: 20px; }
.info-block li { margin-bottom: 8px; }
.info-block strong { color: var(--text); }
.info-block a { color: var(--accent); }

/* ---- Page Hero (inner pages) ---------------------------- */
.page-hero {
  padding: 56px 0 40px;
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(to bottom, var(--bg2), var(--bg));
}
.page-hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800; letter-spacing: -.03em;
  margin-bottom: 10px;
}
.page-hero h1 i { color: var(--accent); margin-right: 10px; }
.page-hero p { color: var(--text2); max-width: 560px; margin: 0 auto; }

/* ---- Bulk Page ------------------------------------------ */
.bulk-section { padding: 48px 0; }
.bulk-wrap {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 28px;
  align-items: start;
}
.bulk-input-col label {
  display: block; font-size: .8rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--text2); margin-bottom: 10px;
}
#bulkInput {
  width: 100%; padding: 14px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-mono); font-size: .9rem;
  resize: vertical; outline: none;
  line-height: 1.7;
  transition: border-color .2s;
}
#bulkInput:focus { border-color: var(--accent); }
.bulk-actions { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.btn-primary {
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--accent), #00b8cc);
  border: none; border-radius: 8px;
  color: #000; font-family: var(--font-display);
  font-weight: 700; font-size: .875rem;
  cursor: pointer; display: flex; align-items: center; gap: 8px;
  transition: opacity .2s;
}
.btn-primary:hover { opacity: .9; }
.btn-secondary {
  padding: 10px 18px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: 8px;
  color: var(--text2);
  font-family: var(--font-display); font-weight: 600; font-size: .875rem;
  cursor: pointer; display: flex; align-items: center; gap: 7px;
  transition: border-color .2s, color .2s;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--text); }
.bulk-note {
  font-size: .75rem; color: var(--text3);
  margin-top: 12px; display: flex; align-items: center; gap: 6px;
}
.bulk-results-col {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 360px;
  overflow: hidden;
}
.bulk-empty {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  height: 360px; gap: 12px;
  color: var(--text3);
}
.bulk-empty i { font-size: 2rem; }
.bulk-empty p { font-size: .875rem; text-align: center; }
.bulk-result-table {
  width: 100%; border-collapse: collapse; font-size: .8rem;
}
.bulk-result-table th {
  padding: 10px 12px;
  font-size: .65rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--text3); background: var(--bg3);
  border-bottom: 1px solid var(--border2);
  text-align: left;
}
.bulk-result-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
}
.bulk-result-table tr.found td { color: var(--text); }
.bulk-result-table tr.not-found td { color: var(--text3); }
.bulk-result-table .bin-cell { font-family: var(--font-mono); color: var(--accent); }
.bulk-progress {
  margin-top: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
}
.progress-bar {
  background: var(--bg3); border-radius: 99px;
  height: 6px; overflow: hidden; margin-bottom: 10px;
}
.progress-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 99px; transition: width .3s ease;
}
#progressText { font-size: .8rem; color: var(--text2); }

/* ---- API Doc -------------------------------------------- */
.api-section { padding: 48px 0 72px; }
.api-doc { max-width: 820px; }
.api-block { margin-bottom: 40px; }
.api-block h2 {
  font-size: 1.1rem; font-weight: 700;
  margin-bottom: 14px; color: var(--text);
  display: flex; align-items: center; gap: 10px;
}
.code-box {
  background: var(--bg3); border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-family: var(--font-mono); font-size: .88rem;
  color: var(--accent); letter-spacing: .03em;
  overflow-x: auto;
}
.code-box .hl { color: var(--warn); }
.code-pre {
  background: var(--bg3); border: 1px solid var(--border2);
  border-radius: var(--radius-sm);
  padding: 20px;
  font-family: var(--font-mono); font-size: .82rem;
  color: var(--text2); line-height: 1.7;
  overflow-x: auto; white-space: pre;
}
.api-table {
  width: 100%; border-collapse: collapse; font-size: .875rem;
}
.api-table th {
  padding: 10px 14px;
  text-align: left; font-size: .7rem;
  font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text3);
  background: var(--bg3); border-bottom: 1px solid var(--border2);
}
.api-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.api-table td:first-child { font-family: var(--font-mono); color: var(--accent); }
.tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.tab-btn {
  padding: 7px 16px;
  background: var(--bg3); border: 1px solid var(--border2);
  border-radius: 6px; color: var(--text2);
  font-family: var(--font-display); font-size: .8rem;
  font-weight: 600; cursor: pointer;
  transition: all .15s;
}
.tab-btn.active, .tab-btn:hover {
  background: var(--accent); color: #000;
  border-color: var(--accent);
}
.badge-soon {
  font-size: .65rem; font-weight: 700;
  letter-spacing: .06em;
  padding: 2px 8px; border-radius: 10px;
  background: rgba(245,158,11,.15); color: var(--warn);
  border: 1px solid rgba(245,158,11,.3);
  text-transform: uppercase; vertical-align: middle;
  margin-left: 6px;
}

/* ---- Footer --------------------------------------------- */
.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
  margin-top: 40px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}
.footer-brand p {
  font-size: .875rem; color: var(--text2);
  margin-top: 12px; max-width: 280px;
  line-height: 1.7;
}
.footer-links h4 {
  font-size: .7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--text3); margin-bottom: 14px;
}
.footer-links a {
  display: block; color: var(--text2);
  font-size: .875rem; margin-bottom: 8px;
  transition: color .15s;
}
.footer-links a:hover { color: var(--accent); text-decoration: none; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  margin-top: 40px;
  font-size: .8rem; color: var(--text3);
}

/* ---- Animations ----------------------------------------- */
@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50% { opacity: .5; }
}

/* ---- Skeleton Loader ------------------------------------ */
.skeleton {
  background: linear-gradient(90deg, var(--bg3) 25%, var(--border) 50%, var(--bg3) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  border-radius: 6px;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---- Responsive ----------------------------------------- */
@media (max-width: 768px) {
  .main-nav { display: none; }
  .main-nav.open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--bg2); border-bottom: 1px solid var(--border); padding: 12px 24px; }
  .nav-toggle { display: block; }
  .site-header .container { position: relative; }

  .hero { padding: 56px 0 48px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1/-1; }
  .bulk-wrap { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }

  .search-box { flex-direction: column; padding: 12px; gap: 8px; border-radius: 12px; }
  .search-icon { display: none; }
  #binInput { width: 100%; text-align: center; font-size: .95rem; }
  .btn-lookup { width: 100%; justify-content: center; }
}
@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}