/* Social Data Archive Inspector — style.css */
:root {
  --bg: #0a0c15;
  --bg2: #0e1220;
  --panel: #131828;
  --panel2: #171e33;
  --line: rgba(148, 163, 205, 0.14);
  --text: #e9edf9;
  --muted: #9aa4c7;
  --faint: #6b7599;
  --accent: #7dd3fc;
  --accent2: #fbbf24;
  --good: #6ee7a0;
  --bad: #f87171;
  --radius: 16px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1100px 500px at 15% -5%, rgba(125, 211, 252, 0.08), transparent 60%),
    radial-gradient(900px 500px at 90% 0%, rgba(251, 191, 36, 0.06), transparent 60%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 12, 21, 0.82);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 0.2px; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: conic-gradient(from 200deg, var(--accent), var(--accent2), var(--accent));
  display: grid; place-items: center; font-size: 18px;
  animation: markspin 14s linear infinite;
}
@keyframes markspin { to { filter: hue-rotate(360deg); } }
.nav a { color: var(--muted); text-decoration: none; margin-left: 22px; font-size: 15px; }
.nav a:hover { color: var(--text); }

/* ---------- hero ---------- */
.hero { padding: 84px 0 40px; text-align: center; position: relative; overflow: hidden; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 16px; font-size: 13.5px; color: var(--accent);
  background: rgba(125, 211, 252, 0.07);
  animation: floaty 5s ease-in-out infinite;
}
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.hero h1 {
  font-size: clamp(38px, 6vw, 68px); line-height: 1.08; margin: 22px 0 16px;
  letter-spacing: -1.5px; font-weight: 800;
}
.hero h1 .grad {
  background: linear-gradient(100deg, var(--accent) 10%, var(--accent2) 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lede { max-width: 640px; margin: 0 auto; color: var(--muted); font-size: 18px; }
.trust-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 26px; }
.trust-chip {
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px;
  font-size: 14px; color: var(--muted); background: var(--panel);
}
.trust-chip b { color: var(--good); font-weight: 700; margin-right: 6px; }

/* ---------- upload ---------- */
.upload-section { padding: 30px 0 70px; }
.dropzone {
  border: 2px dashed rgba(125, 211, 252, 0.35);
  border-radius: 24px; background: var(--panel);
  padding: 64px 32px; text-align: center; cursor: pointer;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
  position: relative; overflow: hidden;
  outline: none;
}
.dropzone::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 200px at 50% 0%, rgba(125, 211, 252, 0.12), transparent 70%);
  opacity: 0; transition: opacity 0.3s ease; pointer-events: none;
}
.dropzone:hover::before, .dropzone:focus-visible::before, .dropzone.dragover::before { opacity: 1; }
.dropzone:hover, .dropzone:focus-visible { transform: translateY(-3px); border-color: var(--accent); }
.dropzone:focus-visible { box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.4); }
.dropzone.dragover {
  border-color: var(--accent2); transform: scale(1.015);
  box-shadow: 0 0 60px rgba(251, 191, 36, 0.18);
  animation: pulse-border 1.1s ease-in-out infinite;
}
@keyframes pulse-border {
  0%, 100% { box-shadow: 0 0 24px rgba(251, 191, 36, 0.12); }
  50% { box-shadow: 0 0 64px rgba(251, 191, 36, 0.30); }
}
.dz-icon { font-size: 52px; display: block; margin-bottom: 14px; animation: floaty 4s ease-in-out infinite; }
.dropzone h2 { margin: 0 0 8px; font-size: 26px; letter-spacing: -0.5px; }
.dropzone p { color: var(--muted); margin: 6px 0; }
.dz-actions { display: flex; gap: 12px; justify-content: center; margin-top: 22px; flex-wrap: wrap; }
.dz-fine { font-size: 13px; color: var(--faint); margin-top: 18px; }

.btn {
  appearance: none; border: 1px solid var(--line); border-radius: 12px;
  padding: 13px 26px; font-size: 15.5px; font-weight: 650; font-family: var(--font);
  cursor: pointer; transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  color: var(--text); background: var(--panel2); text-decoration: none; display: inline-block;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: 3px solid rgba(125, 211, 252, 0.5); outline-offset: 2px; }
.btn-primary {
  background: linear-gradient(120deg, #38bdf8, #818cf8); border: none; color: #0a0c15;
  box-shadow: 0 8px 28px rgba(56, 189, 248, 0.35);
}
.btn-primary:hover { box-shadow: 0 12px 34px rgba(56, 189, 248, 0.5); }
.btn-primary:disabled { opacity: 0.6; cursor: wait; transform: none; }
.btn-ghost { background: transparent; }

.upload-error {
  margin-top: 20px; border: 1px solid rgba(248, 113, 113, 0.4); border-radius: var(--radius);
  background: rgba(248, 113, 113, 0.08); padding: 20px 24px;
  animation: shake-in 0.4s ease;
}
@keyframes shake-in {
  0% { transform: translateX(-8px); opacity: 0; }
  60% { transform: translateX(5px); opacity: 1; }
  100% { transform: translateX(0); }
}
.upload-error h3 { margin: 0 0 6px; color: var(--bad); font-size: 18px; }
.upload-error p { margin: 0; color: var(--muted); }

/* ---------- parsing progress ---------- */
.progress-section { padding: 40px 0 80px; }
.progress-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 24px;
  padding: 40px; max-width: 640px; margin: 0 auto;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  animation: card-in 0.5s cubic-bezier(0.22, 0.9, 0.3, 1.2);
}
@keyframes card-in { from { transform: translateY(24px) scale(0.98); opacity: 0; } }
.progress-card h2 { margin: 0 0 4px; font-size: 24px; }
.progress-card > p { color: var(--muted); margin: 0 0 24px; font-size: 14.5px; }
.parse-steps { list-style: none; margin: 0 0 28px; padding: 0; display: grid; gap: 10px; }
.step { display: flex; align-items: center; gap: 12px; color: var(--faint); font-size: 15px; transition: color 0.3s; }
.step-dot {
  width: 22px; height: 22px; border-radius: 50%; flex: none;
  border: 2px solid var(--line); display: grid; place-items: center;
  transition: all 0.3s ease; font-size: 12px; color: transparent;
}
.step.active { color: var(--text); }
.step.active .step-dot {
  border-color: var(--accent);
  animation: spin-dot 1s linear infinite;
  border-top-color: transparent;
}
@keyframes spin-dot { to { transform: rotate(360deg); } }
.step.done { color: var(--muted); }
.step.done .step-dot { border-color: var(--good); background: rgba(110, 231, 160, 0.15); color: var(--good); }
.step.done .step-dot::after { content: "\2713"; }
.progress-track {
  height: 10px; border-radius: 999px; background: rgba(148, 163, 205, 0.12);
  overflow: hidden; margin-bottom: 10px;
}
.progress-bar {
  height: 100%; width: 0%; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width 0.3s ease;
  background-size: 200% 100%;
  animation: bar-shimmer 1.6s linear infinite;
}
@keyframes bar-shimmer { to { background-position: -200% 0; } }
.progress-label { font-size: 13.5px; color: var(--faint); }

/* ---------- report ---------- */
.report-section { padding: 20px 0 90px; }
.report-head { text-align: center; margin-bottom: 36px; }
.kicker {
  color: var(--accent); text-transform: uppercase; letter-spacing: 2.5px;
  font-size: 12.5px; font-weight: 700; margin: 0 0 10px;
}
.report-title { font-size: clamp(28px, 4vw, 44px); margin: 0 0 10px; letter-spacing: -1px; }
.report-sub { color: var(--muted); max-width: 620px; margin: 0 auto; }
.cap-note {
  margin: 16px auto 0; max-width: 640px; padding: 12px 18px;
  border: 1px solid rgba(251, 191, 36, 0.4); border-radius: 12px;
  background: rgba(251, 191, 36, 0.08); color: var(--accent2); font-size: 14.5px;
}

.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px; margin-bottom: 40px;
}
.stat-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; position: relative; overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.stat-card:hover { transform: translateY(-4px); border-color: rgba(125, 211, 252, 0.4); }
.stat-card::after {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0); transform-origin: left; transition: transform 0.5s ease;
}
.stat-card.in::after, .stat-card:hover::after { transform: scaleX(1); }
.stat-label { font-size: 13px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--faint); font-weight: 700; }
.stat-value { font-size: 38px; font-weight: 800; letter-spacing: -1px; margin: 6px 0 2px; font-variant-numeric: tabular-nums; }
.stat-range { font-size: 19px; letter-spacing: 0; line-height: 1.4; }
.stat-sub { color: var(--muted); font-size: 13.5px; }

.section-title { font-size: 24px; letter-spacing: -0.5px; margin: 0 0 20px; }

/* creepiness */
.creep-section {
  background: linear-gradient(140deg, var(--panel), #1a1430);
  border: 1px solid var(--line); border-radius: 24px; padding: 36px; margin-bottom: 44px;
}
.creep-body { display: flex; gap: 36px; align-items: flex-start; flex-wrap: wrap; }
.creep-ring-wrap { position: relative; width: 168px; height: 168px; flex: none; }
.creep-svg { width: 168px; height: 168px; transform: rotate(-90deg); }
.creep-track { fill: none; stroke: rgba(148, 163, 205, 0.15); stroke-width: 14; }
.creep-fg { fill: none; stroke: url(#creepGrad); stroke: var(--accent2); stroke-width: 14; stroke-linecap: round; }
.creep-number {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center;
  font-size: 40px; font-weight: 800; font-variant-numeric: tabular-nums;
}
.creep-number small { font-size: 15px; color: var(--muted); font-weight: 600; }
.creep-info { flex: 1; min-width: 260px; }
.creep-level { font-size: 30px; font-weight: 800; color: var(--accent2); letter-spacing: -0.5px; }
.creep-method { color: var(--muted); font-size: 14.5px; max-width: 560px; }
.creep-signals { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 8px; }
.creep-signal {
  display: flex; gap: 12px; align-items: baseline; font-size: 14.5px;
  padding: 10px 14px; border-radius: 10px; background: rgba(148, 163, 205, 0.05);
  border: 1px solid transparent;
}
.creep-signal.hit { border-color: rgba(251, 191, 36, 0.3); background: rgba(251, 191, 36, 0.06); }
.sig-mark { font-weight: 800; color: var(--faint); width: 18px; flex: none; text-align: center; }
.creep-signal.hit .sig-mark { color: var(--accent2); }
.sig-points { color: var(--accent2); font-weight: 700; font-size: 13px; }
.sig-detail { color: var(--muted); }

/* know cards */
.know-section { margin-bottom: 44px; }
.know-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }
.know-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px; transition: transform 0.25s ease, border-color 0.25s ease;
}
.know-card:hover { transform: translateY(-4px); border-color: rgba(125, 211, 252, 0.35); }
.know-title { margin: 0 0 4px; font-size: 16px; color: var(--muted); font-weight: 600; }
.know-headline { font-size: 22px; font-weight: 750; letter-spacing: -0.3px; margin-bottom: 14px; }
.know-body { font-size: 14.5px; }
.card-note { color: var(--faint); font-size: 13.5px; margin: 12px 0 0; }
.mini-title { font-size: 13px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--faint); margin: 16px 0 8px; }

.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill {
  background: rgba(125, 211, 252, 0.1); border: 1px solid rgba(125, 211, 252, 0.25);
  color: var(--text); border-radius: 999px; padding: 6px 14px; font-size: 13.5px;
  transition: transform 0.2s ease, background 0.2s ease;
}
.pill:hover { transform: scale(1.06); background: rgba(125, 211, 252, 0.18); }

.contacts { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.contacts li {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 9px 14px; border-radius: 10px; background: rgba(148, 163, 205, 0.06);
}
.contact-count { color: var(--accent); font-weight: 700; font-variant-numeric: tabular-nums; }

/* charts */
.chart-wrap { margin: 4px -6px 0; }
.chart { width: 100%; height: auto; display: block; }
.chart-line { stroke: var(--accent); stroke-width: 2.5; }
.chart-area { fill: rgba(125, 211, 252, 0.18); }
.chart-dot { fill: var(--accent2); }
.chart-label { fill: var(--faint); font-size: 11px; font-family: var(--font); }
.chart-empty { fill: var(--faint); font-size: 15px; font-family: var(--font); }
.chart-bar { fill: rgba(125, 211, 252, 0.75); }
.chart-bar-g:hover .chart-bar { fill: var(--accent); }
.dotmap-grid line { stroke: rgba(148, 163, 205, 0.12); stroke-width: 1; }
.dotmap-dot { fill: var(--accent2); opacity: 0.85; }
.map-wrap { border-radius: 12px; overflow: hidden; background: rgba(10, 12, 21, 0.6); border: 1px solid var(--line); }

/* sections checklist */
.sections-check {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; margin-bottom: 44px;
}
.checklist { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 8px 20px; }
.check-item { display: flex; gap: 10px; align-items: baseline; font-size: 14.5px; padding: 6px 0; }
.check-mark { font-weight: 800; width: 18px; flex: none; text-align: center; }
.check-item.ok .check-mark { color: var(--good); }
.check-item.miss { color: var(--faint); }
.check-item.miss .check-mark { color: var(--faint); }
.check-detail { color: var(--faint); font-size: 13px; }

/* share */
.share-section {
  text-align: center; background: var(--panel); border: 1px solid var(--line);
  border-radius: 24px; padding: 40px 32px; margin-bottom: 44px;
}
.share-sub { color: var(--muted); margin: -12px 0 24px; }
.share-preview-wrap {
  display: inline-block; border-radius: 16px; overflow: hidden;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
  border: 1px solid var(--line); margin-bottom: 26px;
  animation: preview-in 0.9s cubic-bezier(0.22, 0.9, 0.3, 1.1);
  max-width: 100%;
}
@keyframes preview-in {
  from { transform: perspective(900px) rotateX(12deg) scale(0.94); opacity: 0; }
}
.share-preview { display: block; width: min(560px, 100%); height: auto; }

/* privacy proof */
.privacy-proof {
  border: 1px solid rgba(110, 231, 160, 0.3); border-radius: 24px;
  background: rgba(110, 231, 160, 0.05); padding: 36px; margin-bottom: 44px;
}
.proof-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.proof-item { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; }
.proof-mark {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  background: rgba(110, 231, 160, 0.15); color: var(--good);
  display: grid; place-items: center; font-weight: 800; font-size: 14px;
}
.proof-text { color: var(--muted); }
.proof-text strong { color: var(--text); }

.report-actions { text-align: center; }

/* ---------- guide ---------- */
.guide { padding: 70px 0; border-top: 1px solid var(--line); }
.guide h2 { font-size: clamp(26px, 3.5vw, 38px); letter-spacing: -1px; text-align: center; margin: 0 0 10px; }
.guide > .wrap > p.lede { text-align: center; color: var(--muted); max-width: 640px; margin: 0 auto 36px; }
.acc-item {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: 12px; overflow: hidden; transition: border-color 0.25s ease;
}
.acc-item.open { border-color: rgba(125, 211, 252, 0.4); }
.acc-head {
  width: 100%; background: none; border: none; color: var(--text); font-family: var(--font);
  font-size: 17px; font-weight: 700; text-align: left; padding: 20px 24px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; cursor: pointer;
}
.acc-head:focus-visible { outline: 3px solid rgba(125, 211, 252, 0.5); outline-offset: -3px; }
.acc-head .chev { transition: transform 0.3s ease; color: var(--accent); flex: none; }
.acc-item.open .acc-head .chev { transform: rotate(180deg); }
.acc-body { max-height: 0; overflow: hidden; transition: max-height 0.45s cubic-bezier(0.22, 0.8, 0.3, 1); }
.acc-item.open .acc-body { max-height: 1200px; }
.acc-body-inner { padding: 0 24px 24px; color: var(--muted); }
.acc-body-inner ol { margin: 0; padding-left: 22px; display: grid; gap: 10px; }
.acc-body-inner li::marker { color: var(--accent); font-weight: 700; }
.acc-body-inner code {
  background: rgba(125, 211, 252, 0.1); padding: 2px 8px; border-radius: 6px;
  font-size: 13.5px; color: var(--accent);
}
.faq { margin-top: 56px; }
.faq h2 { margin-bottom: 26px; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0; color: var(--faint); font-size: 14px; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.8, 0.3, 1); transition-delay: var(--d, 0ms); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 720px) {
  .hero { padding: 56px 0 24px; }
  .dropzone { padding: 44px 20px; }
  .creep-section, .privacy-proof, .share-section { padding: 26px 20px; }
  .creep-body { gap: 24px; }
  .nav a { margin-left: 14px; font-size: 14px; }
  .stat-value { font-size: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important; animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}