/*
Theme Name: Data Analytics Center
Theme URI: https://www.ttiltd.dev
Description: Professional data analytics platform for clients and partners
Version: 2.0
Author: DAC Team
*/

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary:    #0d1117;
  --bg-secondary:  #161b22;
  --bg-card:       #1c2333;
  --bg-card-hover: #243044;
  --accent-cyan:   #00d4ff;
  --accent-green:  #39d353;
  --accent-purple: #8b5cf6;
  --accent-orange: #f97316;
  --text-primary:  #e6edf3;
  --text-secondary:#8b949e;
  --text-muted:    #484f58;
  --border:        #30363d;
  --border-accent: #21262d;
  --shadow:        0 4px 24px rgba(0,0,0,0.4);
  --radius:        8px;
  --radius-lg:     16px;
  --font-sans:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:     'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent-cyan); text-decoration: none; transition: color .2s; }
a:hover { color: #fff; }

img { max-width: 100%; height: auto; display: block; }

/* === TYPOGRAPHY === */
h1,h2,h3,h4,h5,h6 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -.02em;
}
h1 { font-size: 2.5rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }
p { color: var(--text-secondary); margin-bottom: 1rem; }

/* === LAYOUT === */
.site-wrapper { display: flex; flex-direction: column; min-height: 100vh; }
.site-content { flex: 1; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }

/* === HEADER & NAV === */
.site-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}
.site-logo .logo-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
}
.site-logo span.accent { color: var(--accent-cyan); }
.main-nav { display: flex; align-items: center; gap: .25rem; }
.main-nav a {
  color: var(--text-secondary);
  padding: .5rem .875rem;
  border-radius: var(--radius);
  font-size: .875rem;
  font-weight: 500;
  transition: all .2s;
}
.main-nav a:hover, .main-nav a.current-menu-item {
  color: var(--text-primary);
  background: var(--bg-card);
}
.header-badge {
  background: rgba(0,212,255,.1);
  border: 1px solid rgba(0,212,255,.3);
  color: var(--accent-cyan);
  padding: .25rem .75rem;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  padding: 5rem 0 4rem;
  background: radial-gradient(ellipse at 50% 0%, rgba(0,212,255,.08) 0%, transparent 70%);
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.hero-label {
  display: inline-block;
  background: rgba(139,92,246,.15);
  border: 1px solid rgba(139,92,246,.4);
  color: var(--accent-purple);
  padding: .35rem 1rem;
  border-radius: 20px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.25rem;
  line-height: 1.1;
}
.hero p {
  font-size: 1.15rem;
  max-width: 580px;
  margin: 0 auto 2.5rem;
  color: var(--text-secondary);
}
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent-cyan);
  color: #0d1117;
}
.btn-primary:hover { background: #33ddff; color: #0d1117; transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg-card); border-color: var(--text-muted); }

/* === STAT CARDS === */
.stats-bar {
  padding: 2.5rem 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
}
.stat-card {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all .25s;
}
.stat-card:hover { border-color: var(--accent-cyan); transform: translateY(-2px); }
.stat-value {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: .8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; margin-top: .25rem; }
.stat-delta { font-size: .75rem; color: var(--accent-green); margin-top: .25rem; }
.stat-delta.down { color: #f85149; }

/* === SECTION HEADERS === */
.section { padding: 4rem 0; }
.section-header { margin-bottom: 2.5rem; }
.section-label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: .5rem;
}
.section-title { font-size: 1.75rem; margin-bottom: .5rem; }
.section-desc { color: var(--text-secondary); max-width: 520px; }

/* === CARDS GRID === */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all .25s;
}
.card:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}
.card-icon.cyan  { background: rgba(0,212,255,.12); }
.card-icon.green { background: rgba(57,211,83,.12); }
.card-icon.purple{ background: rgba(139,92,246,.12); }
.card-icon.orange{ background: rgba(249,115,22,.12); }
.card h3 { font-size: 1rem; margin-bottom: .5rem; }
.card p  { font-size: .875rem; color: var(--text-secondary); margin: 0; }
.card-tag {
  display: inline-block;
  margin-top: 1rem;
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .2rem .6rem;
  border-radius: 4px;
  background: rgba(0,212,255,.1);
  color: var(--accent-cyan);
}

/* === DATA TABLE SECTION === */
.data-section { padding: 3.5rem 0; background: var(--bg-secondary); }
.data-table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
thead tr { background: var(--bg-card); border-bottom: 1px solid var(--border); }
th { padding: .875rem 1.25rem; text-align: left; font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); font-weight: 600; }
td { padding: .875rem 1.25rem; color: var(--text-secondary); border-bottom: 1px solid var(--border-accent); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--bg-card); }
.badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .2rem .6rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
}
.badge-green { background: rgba(57,211,83,.15); color: var(--accent-green); }
.badge-cyan  { background: rgba(0,212,255,.15); color: var(--accent-cyan); }
.badge-orange{ background: rgba(249,115,22,.15); color: var(--accent-orange); }
.badge-red   { background: rgba(248,81,73,.15);  color: #f85149; }

/* === CHART PLACEHOLDER === */
.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.chart-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1.5rem; }
.chart-header h3 { font-size: 1rem; }
.chart-meta { font-size: .75rem; color: var(--text-muted); margin-top: .25rem; }
.chart-area {
  height: 200px;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 39px,
    var(--border-accent) 39px,
    var(--border-accent) 40px
  );
  position: relative;
  overflow: hidden;
}
.chart-area::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 100%;
  background: linear-gradient(180deg,
    transparent 0%,
    rgba(0,212,255,.05) 100%
  );
  clip-path: polygon(0 80%, 8% 65%, 16% 70%, 24% 50%, 32% 55%, 40% 35%, 48% 40%, 56% 20%, 64% 30%, 72% 15%, 80% 25%, 88% 10%, 96% 18%, 100% 12%, 100% 100%, 0 100%);
}
.chart-line {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 100%;
  background: transparent;
}
.chart-line::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0; height: 100%;
  background: none;
  border-top: 2px solid var(--accent-cyan);
  clip-path: polygon(0 80%, 8% 65%, 16% 70%, 24% 50%, 32% 55%, 40% 35%, 48% 40%, 56% 20%, 64% 30%, 72% 15%, 80% 25%, 88% 10%, 96% 18%, 100% 12%, 100% 100%, 100% 100%);
}

/* === ACTIVITY FEED === */
.activity-list { list-style: none; }
.activity-item {
  display: flex;
  gap: 1rem;
  padding: .875rem 0;
  border-bottom: 1px solid var(--border-accent);
}
.activity-item:last-child { border-bottom: none; }
.activity-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-top: .45rem;
  flex-shrink: 0;
}
.activity-dot.green  { background: var(--accent-green); box-shadow: 0 0 8px var(--accent-green); }
.activity-dot.cyan   { background: var(--accent-cyan); box-shadow: 0 0 8px var(--accent-cyan); }
.activity-dot.purple { background: var(--accent-purple); }
.activity-dot.orange { background: var(--accent-orange); }
.activity-text { font-size: .875rem; color: var(--text-primary); }
.activity-time { font-size: .75rem; color: var(--text-muted); margin-top: .2rem; }

/* === FOOTER === */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-copy { font-size: .8rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: .8rem; color: var(--text-muted); }
.footer-links a:hover { color: var(--text-secondary); }
.status-dot {
  display: inline-block;
  width: 7px; height: 7px;
  background: var(--accent-green);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent-green);
  margin-right: .4rem;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; }
  50% { opacity:.4; }
}

/* === PAGE CONTENT === */
.page-hero {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border);
  background: radial-gradient(ellipse at 30% 50%, rgba(139,92,246,.06) 0%, transparent 60%);
}
.page-hero h1 { font-size: 2rem; margin-bottom: .5rem; }
.page-hero p { color: var(--text-secondary); max-width: 480px; }
.page-body { padding: 3rem 0; }
.entry-content p { color: var(--text-secondary); margin-bottom: 1.25rem; }
.entry-content h2 { font-size: 1.4rem; margin: 2rem 0 .75rem; color: var(--text-primary); }
.entry-content ul { color: var(--text-secondary); padding-left: 1.5rem; margin-bottom: 1rem; }
.entry-content ul li { margin-bottom: .4rem; }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.25rem; }
  .header-inner { height: auto; padding: 1rem 0; flex-wrap: wrap; gap: .75rem; }
  .main-nav { flex-wrap: wrap; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .cards-grid { grid-template-columns: 1fr; }
  h1 { font-size: 1.875rem; }
}

/* === INTER FONT === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');