/* ==========================================================================
   TeamTrack by TechMaven — marketing site styles
   Dark, tactical, mission-grade. No external assets, no frameworks.
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  /* Surfaces */
  --bg-0: #0a0e14;        /* page background, near-black with blue tint */
  --bg-1: #111722;        /* raised surface (cards, header) */
  --bg-2: #1a2230;        /* hovered/active surface */
  --bg-3: #232d3d;        /* nested / code block */
  --line: #2a3547;        /* hairline borders */
  --line-strong: #3a4860;

  /* Text */
  --text: #e6edf6;        /* primary text */
  --text-muted: #9fb0c6;  /* secondary text */
  --text-dim: #6b7c93;    /* tertiary / labels */

  /* Accents — tactical amber + signal green */
  --accent: #f5a623;          /* primary amber (CTAs, highlights) */
  --accent-hover: #ffb83a;
  --accent-press: #d68900;
  --signal: #2ecf7a;          /* success / live / available */
  --signal-dim: #1e9c5c;
  --danger: #e8584a;
  --info: #4aa8ff;
  --purple: #9b7bff;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", "Fira Code", Consolas,
    "Liberation Mono", Menlo, monospace;

  /* Shape */
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;

  /* Layout */
  --container: 1180px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --header-h: 64px;

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.25s;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; height: auto; }
a { color: var(--info); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--accent); }
ul, ol { padding-left: 1.25rem; }
li { margin: 0.25rem 0; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 14, 20, 0.86);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: var(--container);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: 0.01em;
}
.brand:hover { color: var(--text); }
.brand-mark { width: 30px; height: 30px; flex: 0 0 auto; }
.brand small {
  display: block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: -2px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 0.93rem;
  font-weight: 500;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-links a:hover { color: var(--text); background: var(--bg-2); }
.nav-links a.active { color: var(--accent); }
.nav-cta { margin-left: 0.5rem; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  width: 42px;
  height: 38px;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  padding: 0.72rem 1.3rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #1a1200;
  box-shadow: 0 1px 0 rgba(255,255,255,0.18) inset, 0 6px 20px -8px rgba(245,166,35,0.6);
}
.btn-primary:hover { background: var(--accent-hover); color: #1a1200; transform: translateY(-1px); }
.btn-primary:active { background: var(--accent-press); transform: translateY(0); }
.btn-secondary {
  background: var(--bg-2);
  color: var(--text);
  border-color: var(--line-strong);
}
.btn-secondary:hover { background: var(--bg-3); border-color: var(--accent); color: var(--text); }
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--line);
}
.btn-ghost:hover { color: var(--text); border-color: var(--line-strong); }
.btn-lg { font-size: 1.04rem; padding: 0.9rem 1.6rem; }

/* ---------- Layout primitives ---------- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section { padding: clamp(3rem, 8vw, 6rem) 0; }
.section-tight { padding: clamp(2rem, 5vw, 3.5rem) 0; }
.section-alt { background: var(--bg-1); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.eyebrow {
  display: inline-block;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.6rem;
}
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 0.6em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }
h4 { font-size: 1.05rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
p { margin: 0 0 1rem; }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--text-muted); }
.section-head { max-width: 720px; margin-bottom: 2.5rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(3rem, 7vw, 5rem);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(900px 500px at 78% -8%, rgba(245,166,35,0.16), transparent 60%),
    radial-gradient(700px 460px at 8% 18%, rgba(74,168,255,0.12), transparent 60%);
  pointer-events: none;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74,168,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74,168,255,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero .container { position: relative; }
.hero h1 span.accent { color: var(--accent); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-top: 1.8rem; }
.hero-meta {
  margin-top: 2.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem 2rem;
  color: var(--text-dim);
  font-size: 0.88rem;
}
.hero-meta strong { color: var(--text); font-weight: 600; }

/* ---------- Cards ---------- */
.card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-3);
  color: var(--accent);
  margin-bottom: 1rem;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

/* Feature card variant with top accent border */
.card.feature { border-top: 2px solid var(--accent); }

/* ---------- Badge ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  line-height: 1;
}
.badge-available { background: rgba(46,207,122,0.14); color: var(--signal); border: 1px solid rgba(46,207,122,0.3); }
.badge-coming { background: rgba(74,168,255,0.12); color: var(--info); border: 1px solid rgba(74,168,255,0.3); }
.badge-neutral { background: var(--bg-3); color: var(--text-muted); border: 1px solid var(--line); }
.badge-dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge-available .badge-dot { box-shadow: 0 0 0 0 rgba(46,207,122,0.6); animation: pulse 2s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(46,207,122,0.55); }
  70% { box-shadow: 0 0 0 7px rgba(46,207,122,0); }
  100% { box-shadow: 0 0 0 0 rgba(46,207,122,0); }
}

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
  background: var(--bg-1);
  min-width: 540px;
}
thead th {
  text-align: left;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0.9rem 1rem;
  background: var(--bg-2);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}
tbody td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: rgba(255,255,255,0.018); }
td code, p code { font-family: var(--font-mono); font-size: 0.86em; background: var(--bg-3); padding: 0.12rem 0.38rem; border-radius: 4px; color: var(--accent); }

/* ---------- Code blocks ---------- */
.code-block {
  position: relative;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.65;
  color: #d6e2f0;
}
.code-block .prompt { color: var(--signal); user-select: none; }
.code-block .cmt { color: var(--text-dim); }
.code-block .flag { color: var(--accent); }
.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.55rem;
  font-size: 0.72rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}
.code-block:hover .copy-btn { opacity: 1; }
.copy-btn:hover { color: var(--accent); }
.copy-btn.copied { color: var(--signal); opacity: 1; }

/* ---------- Feature blocks (alternating) ---------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  border-bottom: 1px solid var(--line);
}
.feature-row:last-child { border-bottom: 0; }
.feature-row:nth-child(even) .feature-text { order: 2; }
.feature-text h2 { margin-top: 0; }
.feature-visual {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-visual svg { width: 100%; height: auto; }

/* ---------- Page header (inner pages) ---------- */
.page-header {
  padding: clamp(3rem, 7vw, 5rem) 0 clamp(1.5rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 300px at 80% 0%, rgba(245,166,35,0.1), transparent 60%);
  pointer-events: none;
}
.page-header .container { position: relative; }

/* ---------- Comparison list ---------- */
.compare-list { list-style: none; padding: 0; margin: 0; }
.compare-list li {
  display: flex;
  gap: 0.7rem;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--line);
  align-items: flex-start;
}
.compare-list li:last-child { border-bottom: 0; }
.compare-list .yes { color: var(--signal); flex: 0 0 auto; }
.compare-list .no { color: var(--danger); flex: 0 0 auto; }
.compare-list .neutral { color: var(--text-dim); flex: 0 0 auto; }
.compare-list svg { width: 18px; height: 18px; margin-top: 2px; }

/* ---------- Sub-nav (anchor links for features page) ---------- */
.subnav {
  position: sticky;
  top: var(--header-h);
  z-index: 50;
  background: rgba(17,23,34,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.subnav ul {
  list-style: none;
  margin: 0 auto;
  padding: 0.6rem var(--gutter);
  max-width: var(--container);
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  scrollbar-width: thin;
}
.subnav a {
  display: inline-block;
  white-space: nowrap;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all var(--dur) var(--ease);
}
.subnav a:hover { color: var(--text); background: var(--bg-2); }
.subnav a.active { color: var(--accent); border-color: rgba(245,166,35,0.4); background: rgba(245,166,35,0.08); }

/* ---------- Callouts ---------- */
.callout {
  border-left: 3px solid var(--accent);
  background: var(--bg-1);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  margin: 1.5rem 0;
}
.callout.info { border-left-color: var(--info); }
.callout.warn { border-left-color: var(--danger); }
.callout strong { color: var(--text); }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stat {
  text-align: center;
  padding: 1.4rem 1rem;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.stat-num {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  font-feature-settings: "tnum";
}
.stat-label { font-size: 0.82rem; color: var(--text-dim); margin-top: 0.4rem; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, rgba(245,166,35,0.12), rgba(74,168,255,0.08));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.cta-band .hero-cta { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-1);
  border-top: 1px solid var(--line);
  padding: 3rem 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-grid h5 {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 0.8rem;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin: 0.4rem 0; }
.footer-grid a { color: var(--text-muted); }
.footer-grid a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--text-dim);
  font-size: 0.82rem;
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .badge-available .badge-dot { animation: none; }
}

/* ---------- Hero terminal mock ---------- */
.terminal {
  background: #0c1118;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6), 0 0 0 1px rgba(74,168,255,0.08);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.8rem;
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
}
.terminal-dot { width: 11px; height: 11px; border-radius: 50%; }
.terminal-dot.r { background: #ff5f57; }
.terminal-dot.y { background: #febc2e; }
.terminal-dot.g { background: #28c840; }
.terminal-title { margin-left: 0.5rem; color: var(--text-dim); font-size: 0.75rem; }
.terminal-body { padding: 1rem 1.1rem; line-height: 1.7; color: #c7d6ea; }
.terminal-body .ok { color: var(--signal); }
.terminal-body .warn { color: var(--accent); }
.terminal-body .dim { color: var(--text-dim); }
.terminal-body .cursor::after {
  content: "▋";
  color: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Diagram ---------- */
.diagram {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.diagram svg { width: 100%; height: auto; }

/* ---------- Highlight box (hero stat strip) ---------- */
.highlight-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 2.5rem;
}
.highlight-strip > div {
  background: var(--bg-1);
  padding: 1.2rem 1.3rem;
}
.highlight-strip h4 { margin: 0 0 0.3rem; color: var(--accent); }
.highlight-strip p { margin: 0; font-size: 0.9rem; color: var(--text-muted); }

/* ---------- Mobile nav ---------- */
@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg-1);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--gutter) 1.2rem;
    transform: translateY(-130%);
    transition: transform var(--dur) var(--ease);
    box-shadow: 0 20px 40px -20px rgba(0,0,0,0.7);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 0.8rem 0.5rem; font-size: 1rem; border-bottom: 1px solid var(--line); }
  .nav-cta { margin: 0.6rem 0 0; }
  .nav-cta .btn { width: 100%; }
}
@media (max-width: 760px) {
  .grid-4, .grid-3 { grid-template-columns: 1fr 1fr; }
  .feature-row { grid-template-columns: 1fr; }
  .feature-row:nth-child(even) .feature-text { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .highlight-strip { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2.5rem; }
.mb-0 { margin-bottom: 0; }
.cluster { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; }
.stack-sm > * + * { margin-top: 0.5rem; }
.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); }
.nowrap { white-space: nowrap; }
.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;
}