/* ============================================================
   AI Toolkit Guide — theme: deep-space neural network
   Palette: ink navy base, violet + cyan gradient, amber highlight
   ============================================================ */

:root {
  --ink: #0A0E27;
  --ink2: #121736;
  --ink3: #1A2050;
  --violet: #7C3AED;
  --cyan: #22D3EE;
  --amber: #FBBF24;
  --mist: #B7BEDC;
  --paper: #F5F3FF;
  --line: rgba(183, 190, 220, 0.14);
  --radius: 16px;
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Noto Sans Devanagari', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;
  /* Layered "elevation" shadows for the 3D depth system */
  --lift-1: 0 1px 2px rgba(0,0,0,0.4), 0 8px 20px -10px rgba(0,0,0,0.55);
  --lift-2: 0 2px 4px rgba(0,0,0,0.45), 0 20px 40px -16px rgba(0,0,0,0.6), 0 0 0 1px var(--line);
  --lift-glow: 0 20px 50px -18px rgba(124,58,237,0.45), 0 8px 24px -12px rgba(34,211,238,0.3);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.5em;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { padding-left: 1.3em; }

/* ---------- Layout shell ---------- */
.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.node-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 15% 10%, rgba(124,58,237,0.30), transparent 42%),
    radial-gradient(circle at 85% 0%, rgba(34,211,238,0.22), transparent 45%),
    radial-gradient(circle at 50% 100%, rgba(251,191,36,0.10), transparent 40%),
    var(--ink);
}

.node-bg::before {
  content: "";
  position: absolute;
  inset: -20%;
  background-image:
    linear-gradient(rgba(183,190,220,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(183,190,220,0.07) 1px, transparent 1px);
  background-size: 42px 42px;
  animation: drift 26s linear infinite alternate;
}

@keyframes drift {
  from { transform: translate(0, 0); }
  to { transform: translate(-60px, -40px); }
}

/* ---------- Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 14, 39, 0.75);
  border-bottom: 1px solid var(--line);
}
.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  box-shadow: 0 0 14px var(--cyan);
  animation: pulseGlow 2.6s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { opacity: .55; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.25); }
}
.nav-links {
  display: flex;
  gap: 26px;
  font-size: 0.92rem;
  color: var(--mist);
}
.nav-links a:hover { color: var(--cyan); }
.nav-cta {
  padding: 9px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  color: #05070f;
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
}

.mobile-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  padding: 90px 0 70px;
  position: relative;
  overflow: hidden;
}
/* 3D horizon grid — a floor plane receding into the distance via perspective */
.hero-floor {
  position: absolute;
  left: -25%; right: -25%; bottom: -10%;
  height: 60%;
  z-index: 0;
  perspective: 500px;
  pointer-events: none;
  mask-image: linear-gradient(to top, black 0%, transparent 85%);
  -webkit-mask-image: linear-gradient(to top, black 0%, transparent 85%);
}
.hero-floor::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34,211,238,0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(124,58,237,0.35) 1px, transparent 1px);
  background-size: 60px 60px;
  transform: rotateX(62deg);
  transform-origin: bottom;
  animation: gridScroll 8s linear infinite;
}
@keyframes gridScroll {
  from { background-position: 0 0, 0 0; }
  to { background-position: 0 60px, 0 0; }
}

/* Floating 3D card stack — layered tool-card mockups with real depth via translateZ */
.hero-3d-stack {
  position: absolute;
  right: 2%;
  top: 8%;
  width: 340px;
  height: 380px;
  perspective: 1400px;
  z-index: 1;
  pointer-events: none;
}
@media (max-width: 980px) { .hero-3d-stack { display: none; } }
.hero-3d-stack .stack-card {
  position: absolute;
  width: 240px;
  padding: 18px 20px;
  border-radius: 16px;
  background: linear-gradient(155deg, rgba(255,255,255,0.09), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: var(--lift-2);
  backdrop-filter: blur(10px);
  transform-style: preserve-3d;
  animation: cardFloat 6s ease-in-out infinite;
}
.hero-3d-stack .stack-card .sc-emoji { font-size: 1.5rem; margin-bottom: 8px; }
.hero-3d-stack .stack-card .sc-title { font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; margin-bottom: 4px; }
.hero-3d-stack .stack-card .sc-sub { font-family: var(--font-mono); font-size: 0.68rem; color: var(--cyan); }
.hero-3d-stack .stack-card.card-a { top: 10px; left: 60px; transform: rotateY(-18deg) rotateX(8deg) translateZ(40px); z-index: 3; animation-delay: 0s; }
.hero-3d-stack .stack-card.card-b { top: 120px; left: 0; transform: rotateY(-8deg) rotateX(2deg) translateZ(0px); z-index: 2; opacity: 0.88; animation-delay: 1.4s; }
.hero-3d-stack .stack-card.card-c { top: 230px; left: 90px; transform: rotateY(-22deg) rotateX(4deg) translateZ(-30px); z-index: 1; opacity: 0.7; animation-delay: 2.8s; }
@keyframes cardFloat {
  0%, 100% { margin-top: 0; }
  50% { margin-top: -14px; }
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid rgba(34,211,238,0.35);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  max-width: 820px;
  background: linear-gradient(135deg, #fff 30%, var(--cyan) 65%, var(--violet) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p.lead {
  color: var(--mist);
  font-size: 1.15rem;
  max-width: 640px;
  margin-bottom: 34px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-3px); }
.btn:active { transform: translateY(0px); }
.btn-primary {
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  color: #05070f;
  box-shadow: 0 3px 0 0 #4c2499, 0 8px 30px -8px rgba(124,58,237,0.6);
}
.btn-primary:hover { box-shadow: 0 5px 0 0 #4c2499, 0 14px 34px -10px rgba(124,58,237,0.7); }
.btn-primary:active { box-shadow: 0 1px 0 0 #4c2499, 0 4px 14px -8px rgba(124,58,237,0.6); }
.btn-ghost {
  border-color: var(--line);
  color: var(--paper);
  background: rgba(255,255,255,0.03);
  box-shadow: 0 2px 0 0 rgba(255,255,255,0.05), var(--lift-1);
}
.btn-ghost:hover { border-color: var(--cyan); }
.btn-ghost:active { box-shadow: 0 0 0 0 rgba(255,255,255,0.05); }

.orbit {
  position: absolute;
  right: -60px;
  top: 40px;
  width: 380px;
  height: 380px;
  opacity: 0.9;
  animation: float 7s ease-in-out infinite;
  pointer-events: none;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}

/* ---------- Sections ---------- */
.section { padding: 70px 0; }
.section-head { margin-bottom: 40px; max-width: 640px; }
.section-head .kicker {
  font-family: var(--font-mono);
  color: var(--amber);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.section-head p { color: var(--mist); }

/* ---------- Category grid ---------- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  perspective: 1200px;
}
.cat-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform .12s ease-out, border-color .2s ease, box-shadow .2s ease;
  transform-style: preserve-3d;
  will-change: transform;
  position: relative;
  overflow: hidden;
  box-shadow: var(--lift-1);
}
.cat-card::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
}
.cat-card:hover {
  border-color: rgba(34,211,238,0.45);
  box-shadow: var(--lift-glow);
}
.cat-card > * { transform: translateZ(24px); }
.cat-icon { font-size: 2rem; margin-bottom: 14px; display: block; filter: drop-shadow(0 6px 10px rgba(0,0,0,0.4)); }
.cat-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.cat-card p { color: var(--mist); font-size: 0.92rem; margin: 0 0 16px; }
.cat-link { font-size: 0.85rem; color: var(--cyan); font-weight: 600; }

/* ---------- Tool cards ---------- */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
  perspective: 1200px;
}
.tool-card {
  background: var(--ink2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color .2s ease, transform .12s ease-out, box-shadow .2s ease;
  transform-style: preserve-3d;
  will-change: transform;
  position: relative;
  box-shadow: var(--lift-1);
}
.tool-card::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 1px; border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}
.tool-card:hover { border-color: rgba(124,58,237,0.5); box-shadow: var(--lift-glow); }
.tool-card > * { transform: translateZ(20px); }
.tool-top { display: flex; align-items: center; gap: 12px; }
.tool-emoji {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  background: linear-gradient(155deg, rgba(124,58,237,0.35), rgba(124,58,237,0.1));
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.25), 0 6px 14px -6px rgba(124,58,237,0.6);
}
.tool-card h3 { font-size: 1.05rem; margin: 0; }
.tool-tagline { color: var(--mist); font-size: 0.9rem; margin: 0; }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 11px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  width: fit-content;
}
.badge-free { background: rgba(34,211,238,0.16); color: var(--cyan); }
.badge-freemium { background: rgba(251,191,36,0.16); color: var(--amber); }
.badge-paid { background: rgba(124,58,237,0.22); color: #C9A6FF; }

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.mini-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: 20px;
  font-size: 0.7rem; font-weight: 600; font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.mini-badge-ago { background: rgba(34,211,238,0.14); color: var(--cyan); }
.mini-badge-geo { background: rgba(251,191,36,0.14); color: var(--amber); }

/* Tier meter - signature element showing where a tool sits on Free -> Paid spectrum */
.tier-meter { margin-top: 6px; }
.tier-track {
  position: relative;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--amber) 50%, var(--violet));
  opacity: 0.35;
}
.tier-dot {
  position: absolute;
  top: 50%;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--ink);
  box-shadow: 0 0 0 2px currentColor;
  transform: translate(-50%, -50%);
}
.tier-labels {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--mist);
  margin-top: 6px;
  opacity: 0.7;
}

.tool-card-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 10px;
}
.arrow-link { font-size: 0.85rem; font-weight: 600; color: var(--cyan); }

/* ---------- Tool / Blog detail page ---------- */
.detail-hero {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--line);
}
.breadcrumb {
  font-size: 0.82rem;
  color: var(--mist);
  margin-bottom: 24px;
  font-family: var(--font-mono);
}
.breadcrumb a:hover { color: var(--cyan); }
.detail-hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }

.guide-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 44px;
  padding: 50px 0;
  align-items: start;
}
@media (max-width: 860px) { .guide-grid { grid-template-columns: 1fr; } }

.guide-block {
  background: var(--ink2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: var(--lift-1);
  position: relative;
}
.guide-block::before {
  content: "";
  position: absolute; inset: 0 0 auto 0; height: 1px; border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
}
.guide-block h2 {
  font-size: 1.2rem;
  display: flex; align-items: center; gap: 10px;
}
.guide-block h2 .num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--amber);
  border: 1px solid var(--amber);
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
}
.guide-block p, .guide-block li { color: var(--mist); }

.sidebar-card {
  background: linear-gradient(180deg, rgba(124,58,237,0.14), rgba(34,211,238,0.06));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  position: sticky;
  top: 92px;
  box-shadow: var(--lift-2);
}
.sidebar-card dl { margin: 0; }
.sidebar-card dt { font-family: var(--font-mono); font-size: 0.72rem; color: var(--amber); text-transform: uppercase; margin-top: 14px; }
.sidebar-card dt:first-child { margin-top: 0; }
.sidebar-card dd { margin: 4px 0 0; font-weight: 600; }

.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
}
.faq-item:last-child { border-bottom: none; }
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 1.2rem;
  transition: transform .2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: 10px; color: var(--mist); }

/* ---------- Blog content typography ---------- */
.prose h2 { font-size: 1.4rem; margin-top: 1.6em; }
.prose h3 { font-size: 1.15rem; margin-top: 1.3em; }
.prose p { color: var(--mist); margin-bottom: 1em; }
.prose img { border-radius: 12px; margin: 20px 0; }
.prose a { color: var(--cyan); text-decoration: underline; }

/* ---------- Forms ---------- */
.form-card {
  background: var(--ink2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 640px;
}
label { display: block; font-size: 0.85rem; color: var(--mist); margin-bottom: 6px; font-weight: 600; }
input, textarea, select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 0.95rem;
  margin-bottom: 18px;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(34,211,238,0.18);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .field-row { grid-template-columns: 1fr; } }

.alert {
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 22px;
}
.alert-success { background: rgba(34,211,238,0.14); border: 1px solid rgba(34,211,238,0.4); color: var(--cyan); }
.alert-error { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.4); color: #fca5a5; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 50px 0 30px;
  margin-top: 60px;
  color: var(--mist);
  font-size: 0.88rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
}
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 { color: var(--paper); font-size: 0.85rem; margin-bottom: 12px; }
.footer-grid a { display: block; padding: 4px 0; }
.footer-grid a:hover { color: var(--cyan); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 20px; text-align: center; font-size: 0.8rem; }

/* ---------- Admin panel ---------- */
.admin-shell { min-height: 100vh; display: flex; }
.admin-sidebar {
  width: 240px; flex-shrink: 0;
  background: var(--ink2);
  border-right: 1px solid var(--line);
  padding: 28px 20px;
}
.admin-sidebar .brand { margin-bottom: 34px; }
.admin-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; border-radius: 10px;
  color: var(--mist); font-size: 0.9rem; margin-bottom: 4px;
}
.admin-nav a:hover, .admin-nav a.active { background: rgba(124,58,237,0.18); color: var(--paper); }
.admin-main { flex: 1; padding: 36px 40px; max-width: 1100px; }
.admin-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 18px; margin-bottom: 34px; }
.stat-card { background: var(--ink2); border: 1px solid var(--line); border-radius: 14px; padding: 20px; box-shadow: var(--lift-1); }
.table-card { box-shadow: var(--lift-1); }
.stat-card .num { font-family: var(--font-display); font-size: 1.9rem; }
.stat-card .label { color: var(--mist); font-size: 0.82rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
th { color: var(--mist); font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; }
.table-card { background: var(--ink2); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.pill-btn {
  padding: 6px 14px; border-radius: 8px; font-size: 0.8rem; font-weight: 600;
  border: none; cursor: pointer;
}
.pill-approve { background: rgba(34,211,238,0.2); color: var(--cyan); }
.pill-reject { background: rgba(239,68,68,0.16); color: #fca5a5; }
.pill-edit { background: rgba(124,58,237,0.2); color: #c9a6ff; }
.status-tag { padding: 3px 10px; border-radius: 999px; font-size: 0.72rem; font-family: var(--font-mono); }
.status-pending { background: rgba(251,191,36,0.16); color: var(--amber); }
.status-approved, .status-published { background: rgba(34,211,238,0.16); color: var(--cyan); }
.status-rejected { background: rgba(239,68,68,0.14); color: #fca5a5; }
.status-draft { background: rgba(183,190,220,0.14); color: var(--mist); }

.editor-toolbar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
.editor-toolbar button {
  background: rgba(255,255,255,0.05); border: 1px solid var(--line); color: var(--paper);
  padding: 6px 10px; border-radius: 6px; cursor: pointer; font-family: var(--font-mono); font-size: 0.78rem;
}
.editor-toolbar button:hover { border-color: var(--cyan); }

.faq-repeater .faq-row { display: grid; grid-template-columns: 1fr 1fr auto; gap: 10px; align-items: start; }
.faq-repeater .faq-row textarea { min-height: 44px; }
.small-btn { background: rgba(124,58,237,0.2); color: #c9a6ff; border: none; padding: 8px 14px; border-radius: 8px; cursor: pointer; font-size: 0.82rem; margin-top: 4px; }

@media (max-width: 780px) {
  .nav-links { display: none; }
  .admin-shell { flex-direction: column; }
  .admin-sidebar { width: 100%; }
}