/* ==========================================================================
   HtAG Analytics — Case Study Evidence Portal
   Version: 2.0 | February 2026
   Brand: Navy #010926, Bright Blue #0058ff, Light Blue #77b8d6
   Fonts: Archivo (headings), Inter (body), IBM Plex Mono (data)
   ========================================================================== */

/* ===== RESET ===== */
body { margin: 0; padding: 0; }

.htag-portal,
.htag-portal *,
.htag-portal *::before,
.htag-portal *::after {
  margin: 0; padding: 0; box-sizing: border-box;
  border: none; outline: none; text-decoration: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.htag-portal img { max-width: none; height: auto; }
.htag-portal a { color: inherit; text-decoration: none; }
.htag-portal table { border: none; border-collapse: collapse; }
.htag-portal th, .htag-portal td { border: none; }
.htag-portal h1, .htag-portal h2, .htag-portal h3,
.htag-portal h4, .htag-portal h5, .htag-portal h6 {
  margin: 0; padding: 0; font-weight: inherit; color: inherit;
}
.htag-portal p { margin: 0; }
.htag-portal ul, .htag-portal ol { list-style: none; margin: 0; padding: 0; }

/* ===== VARIABLES ===== */
.htag-portal {
  --navy: #010926;
  --bright-blue: #0058ff;
  --light-blue: #77b8d6;
  --grey: #f4f4f4;
  --white: #ffffff;
  --navy-light: #071033;
  --navy-mid: #0e1940;
  --border: #152350;
  --border-light: #1f3068;
  --text: #e8ecf4;
  --text-dim: #9aabbf;
  --text-muted: #5c7a9a;
  --positive: #22c580;
  --warm: #f59e0b;
  --hot: #ef4444;
  --heading: 'Inter', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'Inter', sans-serif;
  background: var(--navy);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  width: 100%;
  position: relative;
  padding-top: 53px;
}
.htag-portal ::selection { background: var(--bright-blue); color: var(--white); }

/* ===== SCROLL PROGRESS ===== */
.htag-portal .scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0;
  background: var(--bright-blue); z-index: 102;
}

/* ===== NAVIGATION ===== */
.htag-portal .portal-nav {
  position: fixed; top: 0; left: 0; right: 0; width: 100%; z-index: 100;
  padding: 16px clamp(24px, 5vw, 120px);
  display: flex; justify-content: center; align-items: center;
  background: rgba(1, 9, 38, 0.92);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  opacity: 0; pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.htag-portal .portal-nav.nav-visible {
  opacity: 1; pointer-events: auto;
  transform: translateY(0);
}
.htag-portal .nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--heading); font-size: 20px; font-weight: 700;
  letter-spacing: 0.5px; color: var(--white);
}
.htag-portal .nav-logo .logo-icon {
  width: 32px; height: 32px; border-radius: 6px; flex-shrink: 0; object-fit: contain;
}
.htag-portal .nav-links { display: flex; gap: 28px; }
.htag-portal .nav-links a {
  font-family: var(--mono); font-size: 11px; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-muted); transition: color 0.2s;
}
.htag-portal .nav-links a:hover { color: var(--bright-blue); }

/* ===== HERO ===== */
.htag-portal .hero {
  min-height: 90vh; display: flex; flex-direction: column; justify-content: center;
  padding: 100px clamp(24px, 5vw, 120px); position: relative; overflow: hidden;
}
.htag-portal .hero::before {
  content: ''; position: absolute; top: -30%; right: -15%;
  width: 900px; height: 900px;
  background: radial-gradient(circle, rgba(0,88,255,0.08) 0%, transparent 65%);
  pointer-events: none;
}
.htag-portal .hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.htag-portal .hero-badge {
  font-family: var(--mono); font-size: 11px; letter-spacing: 3px;
  text-transform: uppercase; color: var(--light-blue); margin-bottom: 32px;
  opacity: 0; animation: htag-fadeUp 0.8s ease forwards 0.2s;
}
.htag-portal .hero-badge span {
  display: inline-block; padding: 6px 14px;
  border: 1px solid rgba(119,184,214,0.25); border-radius: 2px;
  background: rgba(119,184,214,0.05);
}
.htag-portal .hero h1 {
  font-family: var(--heading); font-size: clamp(46px, 7vw, 88px); font-weight: 800;
  line-height: 1.05; max-width: 900px; margin-bottom: 32px; color: var(--text);
  opacity: 0; animation: htag-fadeUp 0.8s ease forwards 0.4s;
}
.htag-portal .hero h1 em { font-style: normal; color: var(--bright-blue); }
.htag-portal .hero-sub {
  font-size: 17px; color: var(--text-dim); max-width: 620px; line-height: 1.75;
  opacity: 0; animation: htag-fadeUp 0.8s ease forwards 0.6s;
}
.htag-portal .hero-stats {
  display: flex; gap: 56px; margin-top: 64px; flex-wrap: wrap;
  opacity: 0; animation: htag-fadeUp 0.8s ease forwards 0.8s;
}
.htag-portal .hero-stat-value {
  font-family: var(--heading); font-size: clamp(36px, 5vw, 54px);
  font-weight: 800; color: var(--bright-blue); line-height: 1;
}
.htag-portal .hero-stat-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text-muted); margin-top: 8px;
}

/* ===== SECTIONS ===== */
.htag-portal section {
  padding: 100px clamp(24px, 5vw, 120px); position: relative; background: transparent;
}
.htag-portal section::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.htag-portal .section-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: 3px;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 12px;
}
.htag-portal .section-title {
  font-family: var(--heading); font-size: clamp(30px, 4vw, 48px); font-weight: 700;
  margin-bottom: 16px; line-height: 1.15; color: var(--text);
}
.htag-portal .section-desc {
  font-size: 15px; color: var(--text-dim); max-width: 700px; line-height: 1.75; margin-bottom: 56px;
}

/* ===== METRIC CARDS ===== */
.htag-portal .metrics-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px; background: var(--border); border: 1px solid var(--border);
  border-radius: 4px; overflow: hidden; margin-bottom: 64px;
}
.htag-portal .metric-card { background: var(--navy-light); padding: 32px; transition: background 0.3s; }
.htag-portal .metric-card:hover { background: var(--navy-mid); }
.htag-portal .metric-card .value { font-family: var(--heading); font-size: 36px; font-weight: 800; color: var(--bright-blue); }
.htag-portal .metric-card .label { font-size: 13px; color: var(--text-muted); margin-top: 8px; }
.htag-portal .metric-card .context { font-size: 12px; color: var(--text-dim); margin-top: 12px; line-height: 1.6; border-top: 1px solid var(--border); padding-top: 12px; }

/* ===== EVIDENCE TABLE ===== */
.htag-portal .evidence-table-wrap { overflow-x: auto; margin-bottom: 48px; }
.htag-portal .evidence-table { width: 100%; border-collapse: collapse; font-size: 14px; background: transparent; }
.htag-portal .evidence-table thead th { font-family: var(--mono); font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); text-align: left; padding: 12px 16px; border-bottom: 2px solid var(--border-light); white-space: nowrap; background: transparent; }
.htag-portal .evidence-table tbody tr { border-bottom: 1px solid var(--border); transition: background 0.2s; background: transparent; }
.htag-portal .evidence-table tbody tr:hover { background: var(--navy-mid); }
.htag-portal .evidence-table td { padding: 14px 16px; vertical-align: middle; border: none; background: transparent; color: var(--text); }
.htag-portal .suburb-name { font-weight: 600; }
.htag-portal .region { color: var(--text-dim); font-size: 12px; }
.htag-portal .growth-value { font-family: var(--mono); font-weight: 600; color: var(--bright-blue); }
.htag-portal .dollar-gain { font-family: var(--mono); color: var(--positive); }
.htag-portal .date { font-family: var(--mono); font-size: 12px; color: var(--text-dim); }
.htag-portal .tag { display: inline-block; font-size: 10px; letter-spacing: 1px; text-transform: uppercase; padding: 3px 8px; border-radius: 2px; font-family: var(--mono); }
.htag-portal .tag-hot { background: rgba(239,68,68,0.15); color: #f87171; }
.htag-portal .tag-warm { background: rgba(245,158,11,0.15); color: #fbbf24; }
.htag-portal .tag-rec { background: rgba(0,88,255,0.12); color: var(--light-blue); }

/* ===== CLIENT CARDS ===== */
.htag-portal .clients-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; }
.htag-portal .client-card { background: var(--navy-light); border: 1px solid var(--border); border-radius: 4px; padding: 28px; transition: all 0.3s; position: relative; overflow: hidden; }
.htag-portal .client-card::before { content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 100%; background: var(--bright-blue); opacity: 0; transition: opacity 0.3s; }
.htag-portal .client-card:hover { border-color: var(--border-light); transform: translateY(-2px); }
.htag-portal .client-card:hover::before { opacity: 1; }
.htag-portal .client-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; }
.htag-portal .client-id { font-family: var(--heading); font-size: 18px; font-weight: 700; background: var(--navy-mid); padding: 8px 14px; border-radius: 4px; color: var(--text); }
.htag-portal .client-date { font-family: var(--mono); font-size: 11px; color: var(--text-muted); }
.htag-portal .client-stats { display: flex; gap: 24px; margin-bottom: 16px; }
.htag-portal .client-stat-val { font-family: var(--heading); font-size: 22px; font-weight: 700; color: var(--bright-blue); }
.htag-portal .client-stat-lbl { font-family: var(--mono); font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.htag-portal .client-suburbs { font-size: 12px; color: var(--text-dim); line-height: 1.6; border-top: 1px solid var(--border); padding-top: 12px; }
.htag-portal .client-badge { display: inline-block; font-family: var(--mono); font-size: 9px; letter-spacing: 1.5px; text-transform: uppercase; padding: 3px 8px; border-radius: 2px; margin-top: 12px; background: rgba(0,88,255,0.1); color: var(--light-blue); border: 1px solid rgba(0,88,255,0.2); }

/* ===== GEO BARS ===== */
.htag-portal .geo-grid { display: flex; flex-direction: column; gap: 8px; max-width: 800px; }
.htag-portal .geo-row { display: flex; align-items: center; gap: 16px; }
.htag-portal .geo-label { flex: 0 0 160px; font-size: 13px; color: var(--text-dim); text-align: right; }
.htag-portal .geo-bar-wrap { flex: 1; height: 36px; background: var(--navy-light); border-radius: 2px; overflow: hidden; }
.htag-portal .geo-bar { height: 100%; border-radius: 2px; display: flex; align-items: center; justify-content: flex-end; padding-right: 12px; font-family: var(--mono); font-size: 12px; font-weight: 600; color: var(--white); transition: width 1.5s cubic-bezier(0.22,1,0.36,1); background: linear-gradient(90deg, var(--bright-blue), var(--light-blue)); }
.htag-portal .geo-check { flex: 0 0 40px; text-align: center; font-size: 14px; color: var(--bright-blue); }

/* ===== PREDICTION CARDS ===== */
.htag-portal .prediction-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.htag-portal .prediction-card { background: var(--navy-light); border: 1px solid var(--border); border-radius: 4px; padding: 24px; }
.htag-portal .stage-tag { font-family: var(--mono); font-size: 9px; letter-spacing: 2px; text-transform: uppercase; padding: 4px 10px; border-radius: 2px; display: inline-block; margin-bottom: 12px; }
.htag-portal .stage-warm { background: rgba(245,158,11,0.15); color: #fbbf24; }
.htag-portal .stage-trans { background: rgba(239,68,68,0.15); color: #f87171; }
.htag-portal .prediction-suburb { font-family: var(--heading); font-size: 22px; font-weight: 700; margin-bottom: 4px; color: var(--text); }
.htag-portal .prediction-region { font-size: 12px; color: var(--text-muted); margin-bottom: 16px; }
.htag-portal .prediction-stats { display: flex; gap: 24px; }
.htag-portal .prediction-stat .pval { font-family: var(--heading); font-size: 20px; font-weight: 700; color: var(--bright-blue); }
.htag-portal .prediction-stat .plbl { font-family: var(--mono); font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

/* ===== METHODOLOGY ===== */
.htag-portal .method-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 4px; overflow: hidden; }
.htag-portal .method-step { background: var(--navy-light); padding: 32px; position: relative; }
.htag-portal .method-step .step-num { font-family: var(--heading); font-size: 48px; font-weight: 800; color: var(--border-light); position: absolute; top: 20px; right: 20px; }
.htag-portal .method-step h3 { font-family: var(--heading); font-size: 18px; font-weight: 600; margin-bottom: 12px; color: var(--text); }
.htag-portal .method-step p { font-size: 13px; color: var(--text-dim); line-height: 1.7; }

/* ==========================================================================
   CASE STUDY CARDS — Section 07
   ========================================================================== */
.htag-portal .cs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 20px;
}
.htag-portal .cs-card {
  background: var(--navy-light);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  display: flex;
  cursor: pointer;
  flex-direction: column;
}
.htag-portal .cs-card:hover {
  border-color: var(--bright-blue);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 88, 255, 0.12);
}
.htag-portal .cs-card-accent {
  height: 4px; width: 100%;
  background: linear-gradient(90deg, var(--bright-blue), var(--light-blue));
  opacity: 0.4; transition: opacity 0.3s;
}
.htag-portal .cs-card:hover .cs-card-accent { opacity: 1; }
.htag-portal .cs-card-body {
  padding: 28px 28px 20px; flex: 1;
  display: flex; flex-direction: column;
}
.htag-portal .cs-card-number {
  font-family: var(--mono); font-size: 10px; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 10px;
}
.htag-portal .cs-card-title {
  font-family: var(--heading); font-size: 20px; font-weight: 700;
  color: var(--text); line-height: 1.25; margin-bottom: 12px;
}
.htag-portal .cs-card-stat {
  display: flex; align-items: baseline; gap: 8px; margin-bottom: 16px;
}
.htag-portal .cs-card-stat-value {
  font-family: var(--heading); font-size: 28px; font-weight: 800;
  color: var(--bright-blue); line-height: 1;
}
.htag-portal .cs-card-stat-label {
  font-family: var(--mono); font-size: 10px; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-muted);
}
.htag-portal .cs-card-desc {
  font-size: 13px; color: var(--text-dim); line-height: 1.65;
  margin-bottom: 20px; flex: 1;
}
.htag-portal .cs-card-tags {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px;
}
.htag-portal .cs-tag {
  font-family: var(--mono); font-size: 9px; letter-spacing: 1px;
  text-transform: uppercase; padding: 3px 8px; border-radius: 2px;
  background: rgba(0, 88, 255, 0.08); color: var(--light-blue);
  border: 1px solid rgba(0, 88, 255, 0.15);
}
.htag-portal .cs-card-cta {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 1px;
  text-transform: uppercase; color: var(--bright-blue);
  padding-top: 16px; border-top: 1px solid var(--border);
  transition: gap 0.3s; text-decoration: none;
}
.htag-portal .cs-card:hover .cs-card-cta { gap: 14px; }
.htag-portal .cs-card-cta .arrow { transition: transform 0.3s; font-size: 14px; }
.htag-portal .cs-card:hover .cs-card-cta .arrow { transform: translateX(4px); }

/* Case study filter buttons */
.htag-portal .cs-filter-bar {
  display: flex; gap: 10px; margin-bottom: 40px; flex-wrap: wrap;
}
.htag-portal .cs-filter-btn {
  font-family: var(--mono); font-size: 10px; letter-spacing: 1.5px;
  text-transform: uppercase; padding: 8px 16px; border-radius: 3px;
  background: var(--navy-light); color: var(--text-muted);
  border: 1px solid var(--border); cursor: pointer; transition: all 0.2s;
}
.htag-portal .cs-filter-btn:hover,
.htag-portal .cs-filter-btn.active {
  background: rgba(0, 88, 255, 0.12); color: var(--bright-blue);
  border-color: var(--bright-blue);
}

/* ===== FOOTER ===== */
.htag-portal .portal-footer { padding: 60px clamp(24px, 5vw, 120px); border-top: 1px solid var(--border); }
.htag-portal .footer-brand { display: flex; align-items: center; gap: 12px; font-family: var(--heading); font-size: 22px; font-weight: 700; margin-bottom: 16px; color: var(--white); }
.htag-portal .footer-brand .logo-icon { width: 36px; height: 36px; border-radius: 7px; flex-shrink: 0; object-fit: contain; }
.htag-portal .footer-mission { font-size: 13px; color: var(--text-dim); font-style: italic; margin-bottom: 20px; max-width: 500px; }
.htag-portal .footer-disclaimer { font-size: 11px; color: var(--text-muted); line-height: 1.8; max-width: 800px; }
.htag-portal .footer-disclaimer a { color: var(--light-blue); }
.htag-portal .footer-disclaimer a:hover { text-decoration: underline; }

/* ===== ANIMATIONS ===== */
@keyframes htag-fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.htag-portal .fade-section { opacity: 0; transform: translateY(32px); transition: all 0.8s cubic-bezier(0.22,1,0.36,1); }
.htag-portal .fade-section.visible { opacity: 1; transform: translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .htag-portal .hero-stats { gap: 24px; }
  .htag-portal .portal-nav { display: none; }
  .htag-portal .clients-grid, .htag-portal .prediction-grid { grid-template-columns: 1fr; }
  .htag-portal .cs-grid { grid-template-columns: 1fr; }
  .htag-portal .geo-label { flex: 0 0 100px; font-size: 11px; }
  .htag-portal .hero { min-height: auto; padding: 80px clamp(24px, 5vw, 120px); }
  .htag-portal section { padding-top: 60px; padding-bottom: 60px; }
}

/* ==========================================================================
   EVIDENCE PANELS — Expandable inline data tables
   ========================================================================== */
.htag-portal .cs-evidence-toggle {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 1px;
  text-transform: uppercase; color: var(--text-muted);
  padding: 10px 0; cursor: pointer;
  background: none; border: none; transition: color 0.2s;
}
.htag-portal .cs-evidence-toggle:hover,
.htag-portal .cs-evidence-toggle.active { color: var(--bright-blue); }
.htag-portal .cs-evidence-toggle .toggle-icon {
  font-size: 14px; transition: transform 0.3s;
}

.htag-portal .cs-evidence-panel {
  max-height: 0; overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  border-top: 1px solid transparent;
}
.htag-portal .cs-evidence-panel.open {
  border-top-color: var(--border);
}

.htag-portal .cs-evidence-inner { padding: 16px 0 8px; overflow-x: auto; -webkit-overflow-scrolling: touch; }

.htag-portal .cs-evidence-table {
  width: 100%; border-collapse: collapse; font-size: 11px;
}
.htag-portal .cs-evidence-table thead th {
  font-family: var(--mono); font-size: 9px; letter-spacing: 1.5px;
  text-transform: uppercase; color: var(--text-muted);
  text-align: left; padding: 6px 8px;
  border-bottom: 1.5px solid var(--bright-blue);
  white-space: nowrap;
}
.htag-portal .cs-evidence-table tbody tr {
  border-bottom: 1px solid var(--border);
}
.htag-portal .cs-evidence-table tbody tr:hover {
  background: rgba(0, 88, 255, 0.04);
}
.htag-portal .cs-evidence-table td {
  padding: 6px 8px; color: var(--text-dim); white-space: nowrap;
}
.htag-portal .cs-evidence-table .ev-suburb { color: var(--text); font-weight: 500; }
.htag-portal .cs-evidence-table .ev-growth {
  font-family: var(--mono); font-weight: 600; color: var(--positive);
}
.htag-portal .cs-evidence-table .ev-price { font-family: var(--mono); }

.htag-portal .cs-evidence-source {
  font-size: 9px; color: var(--text-muted); margin-top: 10px;
  line-height: 1.5; font-style: italic;
}

/* Action row with two buttons */
.htag-portal .cs-card-actions {
  display: flex; align-items: center; gap: 16px;
  padding-top: 16px; border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.htag-portal .cs-card-cta {
  border-top: none; padding-top: 0;
}

/* PDF download button */
.htag-portal .cs-pdf-link {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 1px;
  text-transform: uppercase; color: var(--text-muted);
  transition: color 0.2s; text-decoration: none;
}
.htag-portal .cs-pdf-link:hover { color: var(--bright-blue); }
.htag-portal .cs-pdf-link .pdf-icon { font-size: 13px; }