/* PragyaLint site — theme-aware (system dark/light) + manual toggle */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --bg-elevated: #ffffff;
  --fg: #1a1d24;
  --fg-muted: #5b6472;
  --border: #e4e7ec;
  --accent: #6c5ce7;
  --accent-soft: #efeafd;
  --accent-fg: #ffffff;
  --high: #e5484d;
  --medium: #f5a623;
  --low: #0091ff;
  --code-bg: #f4f5f7;
  --code-fg: #24292f;
  --shadow: 0 10px 40px rgba(20, 22, 31, 0.08);
  --radius: 14px;
  --maxw: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  --mono: "SF Mono", "JetBrains Mono", "Fira Code", ui-monospace, Menlo,
    Consolas, monospace;
}

[data-theme="dark"] {
  --bg: #0d0f14;
  --bg-soft: #14171f;
  --bg-elevated: #181b24;
  --fg: #e8eaf0;
  --fg-muted: #9aa3b2;
  --border: #262b38;
  --accent: #7c6cf6;
  --accent-soft: #241f45;
  --accent-fg: #ffffff;
  --high: #f2555a;
  --medium: #ffb52e;
  --low: #3ba4ff;
  --code-bg: #12141b;
  --code-fg: #d6dae3;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  transition: background 0.25s ease, color 0.25s ease;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Navbar ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--fg);
}

.brand:hover {
  text-decoration: none;
}

.brand svg {
  width: 30px;
  height: 30px;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.brand:hover svg {
  transform: rotate(35deg) scale(1.1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* icon-only nav links: circular buttons with hover glow */
.nav-links a {
  color: var(--fg-muted);
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  font-size: 1.15rem;
  position: relative;
  transition: color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.nav-links a::after {
  content: attr(title);
  position: absolute;
  top: 110%;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--fg);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
  z-index: 60;
}

.nav-links a:hover {
  color: var(--accent-fg);
  background: linear-gradient(135deg, var(--accent), var(--medium));
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 45%, transparent);
  transform: translateY(-2px);
  text-decoration: none;
}

.nav-links a:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.nav-links a.active {
  color: var(--accent);
  background: var(--accent-soft);
}

/* ---------- Theme toggle ---------- */
.theme-toggle {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--fg);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 1.05rem;
}

.theme-toggle:hover {
  border-color: var(--accent);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.2s;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-fg);
}

.btn-primary:hover {
  background: color-mix(in srgb, var(--accent) 88%, #000);
  text-decoration: none;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 40%, transparent);
}

.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  text-decoration: none;
}

/* ---------- Hero ---------- */
.hero {
  padding: 96px 0 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto;
  height: 100%;
  background: radial-gradient(
    circle at 50% 0%,
    color-mix(in srgb, var(--accent) 18%, transparent),
    transparent 65%
  );
  pointer-events: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.1;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}

.hero h1 .accent {
  color: var(--accent);
}

.gradient-text {
  background: linear-gradient(120deg, var(--accent), #00c6a9);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 36px;
}

.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-trust {
  margin-top: 28px;
  color: var(--fg-muted);
  font-size: 0.9rem;
}

/* ---------- Terminal demo ---------- */
.demo {
  max-width: 760px;
  margin: 56px auto 0;
  text-align: left;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.demo-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.demo-bar .dot:nth-child(1) { background: #ff5f57; }
.demo-bar .dot:nth-child(2) { background: #febc2e; }
.demo-bar .dot:nth-child(3) { background: #28c840; }

.demo-tabs {
  margin-left: auto;
  display: flex;
  gap: 4px;
}

.demo-tabs button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  border-radius: 7px;
  padding: 4px 10px;
  font-size: 0.8rem;
  font-family: var(--mono);
  cursor: pointer;
}

.demo-tabs button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
}

.demo-body {
  padding: 20px;
  font-family: var(--mono);
  font-size: 0.9rem;
  white-space: pre;
  overflow-x: auto;
  line-height: 1.7;
  color: var(--code-fg);
}

.demo-body .c { color: var(--fg-muted); }
.demo-body .hi { color: var(--high); }
.demo-body .me { color: var(--medium); }
.demo-body .lo { color: var(--low); }
.demo-body .ac { color: var(--accent); }
.demo-run {
  min-height: 120px;
  color: var(--code-fg);
}

.demo-controls {
  padding: 12px 16px;
  display: flex;
  gap: 10px;
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}

/* ---------- Features ---------- */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--bg-soft);
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 52px;
}

.section-head h2 {
  font-size: 2.1rem;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.section-head p {
  color: var(--fg-muted);
  font-size: 1.08rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.15s ease, border-color 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}

.card .icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* ---------- Confidence badges ---------- */
.conf {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.conf-high   { background: color-mix(in srgb, var(--high) 16%, transparent); color: var(--high); }
.conf-medium { background: color-mix(in srgb, var(--medium) 18%, transparent); color: var(--medium); }
.conf-low    { background: color-mix(in srgb, var(--low) 16%, transparent); color: var(--low); }

/* ---------- Tables ---------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-elevated);
  font-size: 0.95rem;
}

th,
td {
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--bg-soft);
  font-weight: 600;
  white-space: nowrap;
}

tr:last-child td {
  border-bottom: none;
}

/* ---------- Code blocks ---------- */
pre {
  position: relative;
  background: var(--code-bg);
  color: var(--code-fg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 16px 0;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--bg-soft);
  padding: 2px 6px;
  border-radius: 5px;
  border: 1px solid var(--border);
}

pre code {
  background: none;
  border: none;
  padding: 0;
}

.copy {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  border-radius: 6px;
  padding: 4px 9px;
  font-size: 0.75rem;
  cursor: pointer;
}

.copy:hover {
  color: var(--fg);
}

/* ---------- Docs layout ---------- */
.docs {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  padding: 48px 0 96px;
  align-items: start;
}

.docs-aside {
  position: sticky;
  top: 84px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}

.docs-aside h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  margin: 0 0 10px;
}

.docs-aside a {
  display: block;
  color: var(--fg-muted);
  padding: 6px 10px;
  border-radius: 7px;
  font-size: 0.92rem;
}

.docs-aside a:hover {
  color: var(--fg);
  background: var(--bg-soft);
  text-decoration: none;
}

.docs-aside a.active {
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 600;
}

.docs-content h1 {
  font-size: 2.1rem;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.docs-content h2 {
  font-size: 1.5rem;
  margin: 40px 0 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.docs-content h3 {
  font-size: 1.15rem;
  margin: 28px 0 8px;
}

.docs-content p,
.docs-content li {
  color: var(--fg);
}

.docs-content ul {
  padding-left: 22px;
}

.lead {
  color: var(--fg-muted);
  font-size: 1.08rem;
}

.callout {
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 14px 18px;
  margin: 20px 0;
}

.callout.warn {
  border-left-color: var(--medium);
  background: color-mix(in srgb, var(--medium) 12%, transparent);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 32px;
}

.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.footer-icons {
  display: flex;
  gap: 6px;
  align-items: center;
}

.footer-icons a {
  width: 38px;
  height: 38px;
  margin-left: 0;
  display: grid;
  place-items: center;
  border-radius: 10px;
  color: var(--fg-muted);
  font-size: 1.1rem;
  transition: color 0.2s, background 0.2s, transform 0.2s;
}

.footer-icons a:hover {
  color: var(--accent-fg);
  background: linear-gradient(135deg, var(--accent), var(--medium));
  box-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 45%, transparent);
  transform: translateY(-2px);
  text-decoration: none;
}

@media (max-width: 860px) {
  .nav-links {
    gap: 4px;
  }
  .docs {
    grid-template-columns: 1fr;
  }
  .docs-aside {
    position: static;
    max-height: none;
  }
}

/* ---------- Rich animations ---------- */
.bg-icons {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.bg-icons i {
  position: absolute;
  color: color-mix(in srgb, var(--accent) 22%, transparent);
  animation: floatUp linear infinite;
  transition: color 0.3s;
}

.bg-icons i:nth-child(3n) {
  color: color-mix(in srgb, var(--medium) 24%, transparent);
}
.bg-icons i:nth-child(4n) {
  color: color-mix(in srgb, var(--low) 24%, transparent);
}

@keyframes floatUp {
  0% {
    transform: translateY(110vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-15vh) rotate(180deg);
    opacity: 0;
  }
}

.hero .container {
  position: relative;
  z-index: 1;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
[data-reveal].revealed {
  opacity: 1;
  transform: none;
}

.card.tilt {
  transition: transform 0.18s ease, box-shadow 0.2s ease, border-color 0.2s;
  will-change: transform;
}
.card.tilt:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  box-shadow: 0 18px 40px -12px rgba(0, 0, 0, 0.35);
}

@keyframes hueShift {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}
.gradient-text {
  background: linear-gradient(90deg, var(--accent), var(--medium), var(--low), var(--accent));
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientFlow 8s linear infinite;
}
@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

.theme-toggle i {
  font-size: 1.05rem;
}

/* ---------- Stats band ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin: 28px auto 40px;
  max-width: 760px;
}
.stat {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 12px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.3s, border-color 0.3s;
}
.stat:hover {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  box-shadow: 0 14px 30px -12px color-mix(in srgb, var(--accent) 40%, transparent);
}
.stat span {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--accent), var(--medium));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat small {
  color: var(--fg-muted);
  font-size: 0.8rem;
}