/* ============================================================
   CEOweb.space — Core Design System
   Premium dark theme · Electric violet · Cyan accents
   ============================================================ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* --- Custom Properties --- */
:root {
  /* Backgrounds */
  --bg-main: #08090D;
  --bg-secondary: #0D1017;
  --bg-card: #121621;
  --bg-card-hover: #181d2e;
  --bg-elevated: #1a1f2e;

  /* Accents */
  --accent-violet: #8B5CF6;
  --accent-violet-dim: rgba(139, 92, 246, 0.15);
  --accent-violet-glow: rgba(139, 92, 246, 0.25);
  --accent-cyan: #22D3EE;
  --accent-cyan-dim: rgba(34, 211, 238, 0.15);
  --accent-emerald: #34D399;
  --accent-emerald-dim: rgba(52, 211, 153, 0.12);
  --accent-amber: #FBBF24;
  --accent-amber-dim: rgba(251, 191, 36, 0.12);
  --accent-red: #F87171;

  /* Text */
  --text-primary: #F5F7FB;
  --text-secondary: #9299AA;
  --text-muted: #6B7280;
  --text-accent: #8B5CF6;

  /* Borders */
  --border-subtle: #252A38;
  --border-hover: #363d52;

  /* Gradients */
  --gradient-violet: linear-gradient(135deg, #8B5CF6, #6D28D9);
  --gradient-hero: linear-gradient(135deg, rgba(139,92,246,0.12) 0%, rgba(34,211,238,0.06) 50%, transparent 100%);
  --gradient-card: linear-gradient(180deg, rgba(139,92,246,0.06) 0%, transparent 60%);
  --gradient-radial: radial-gradient(ellipse at 50% 0%, rgba(139,92,246,0.15) 0%, transparent 60%);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Sizing */
  --max-width: 1280px;
  --nav-height: 64px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --transition-fast: 0.15s var(--ease-out);
  --transition-normal: 0.3s var(--ease-out);
  --transition-slow: 0.5s var(--ease-out);
}

/* --- Reset --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 3.5vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-violet), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-violet);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-violet);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.label-caps {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 7rem 0;
  position: relative;
}

.section-sm { padding: 4rem 0; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

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

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

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-violet);
  color: white;
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(139, 92, 246, 0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  border-color: var(--accent-violet);
  background: var(--accent-violet-dim);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
}

.btn-ghost:hover {
  color: var(--text-primary);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1rem;
}

.btn-icon {
  font-size: 1.1em;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

.btn-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(139,92,246,0.3), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.card:hover::before { opacity: 1; }

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-violet-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
  color: var(--accent-violet);
}

.card h3 { margin-bottom: 0.5rem; }
.card p { font-size: 0.9375rem; }

/* --- Announcement Bar --- */
.announcement-bar {
  background: linear-gradient(90deg, rgba(139,92,246,0.15), rgba(34,211,238,0.08));
  border-bottom: 1px solid rgba(139,92,246,0.2);
  padding: 0.5rem 0;
  text-align: center;
  position: relative;
  z-index: 100;
}

.announcement-bar p {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.announcement-bar .badge {
  background: var(--accent-violet);
  color: white;
  padding: 0.15rem 0.5rem;
  border-radius: 99px;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.announcement-bar a {
  color: var(--accent-cyan);
  transition: color var(--transition-fast);
}

.announcement-bar a:hover { color: white; }

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 99;
  background: rgba(8, 9, 13, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-normal);
  height: var(--nav-height);
}

.nav.scrolled {
  border-bottom-color: var(--border-subtle);
  background: rgba(8, 9, 13, 0.95);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  flex-shrink: 0;
}

.nav-logo {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--gradient-violet);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.875rem;
  color: white;
  position: relative;
}

.nav-logo::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 10px;
  background: var(--gradient-violet);
  opacity: 0.3;
  z-index: -1;
  filter: blur(6px);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 2px;
  border-radius: 99px;
  background: var(--accent-violet);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-signin {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  transition: color var(--transition-fast);
}

.nav-signin:hover { color: var(--text-primary); }

.nav-cta {
  background: var(--gradient-violet);
  color: white;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  box-shadow: 0 0 16px rgba(139,92,246,0.25);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 24px rgba(139,92,246,0.4);
}

/* Mobile menu */
.nav-mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.nav-mobile-toggle:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

.hamburger {
  width: 20px;
  height: 14px;
  position: relative;
}

.hamburger span {
  position: absolute;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger span:nth-child(3) { bottom: 0; }

.nav-mobile-toggle.active .hamburger span:nth-child(1) {
  top: 50%; transform: translateY(-50%) rotate(45deg);
}
.nav-mobile-toggle.active .hamburger span:nth-child(2) { opacity: 0; }
.nav-mobile-toggle.active .hamburger span:nth-child(3) {
  bottom: 50%; transform: translateY(50%) rotate(-45deg);
}

.nav-mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(8, 9, 13, 0.98);
  backdrop-filter: blur(20px);
  padding: 2rem;
  z-index: 98;
  flex-direction: column;
  gap: 0.5rem;
  overflow-y: auto;
}

.nav-mobile-menu.active { display: flex; }

.nav-mobile-menu .nav-link {
  padding: 1rem;
  font-size: 1.125rem;
  border-bottom: 1px solid var(--border-subtle);
}

.nav-mobile-menu .btn {
  margin-top: 1rem;
  justify-content: center;
}

/* --- Hero Section --- */
.hero {
  padding: 6rem 0 4rem;
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - var(--nav-height) - 32px);
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(139,92,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero h1 {
  margin-bottom: 1.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero p.hero-desc {
  font-size: 1.1875rem;
  max-width: 640px;
  margin: 0 auto 2.5rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.hero-pills {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.hero-pill {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-pill::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-violet);
}

/* --- Hero Dashboard Preview --- */
.hero-dashboard {
  margin-top: 4rem;
  position: relative;
  z-index: 2;
}

.dashboard-preview {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(139,92,246,0.1),
    0 20px 60px rgba(0,0,0,0.5),
    0 0 100px rgba(139,92,246,0.05);
}

.dashboard-preview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-violet), transparent);
}

.dashboard-preview-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.preview-dot.red { background: #FF5F57; }
.preview-dot.yellow { background: #FFBD2E; }
.preview-dot.green { background: #28C840; }

.preview-title {
  flex: 1;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

.metric-mini {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
}

.metric-mini-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.375rem;
}

.metric-mini-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.metric-mini-change {
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 0.25rem;
}

.metric-mini-change.positive { color: var(--accent-emerald); }
.metric-mini-change.negative { color: var(--accent-red); }

.dashboard-content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1rem;
}

.preview-chart-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
}

.preview-chart-title {
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.preview-chart-title span {
  color: var(--text-muted);
  font-size: 0.6875rem;
  font-weight: 500;
}

/* Mini chart bars */
.mini-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 100px;
}

.mini-bar {
  flex: 1;
  border-radius: 3px 3px 0 0;
  min-height: 8px;
  transition: height 0.8s var(--ease-out);
}

.mini-bar.violet { background: var(--accent-violet); }
.mini-bar.cyan { background: var(--accent-cyan); opacity: 0.7; }

/* AI recommendation card */
.ai-rec-card {
  background: linear-gradient(135deg, rgba(139,92,246,0.08), rgba(34,211,238,0.04));
  border: 1px solid rgba(139,92,246,0.2);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
}

.ai-rec-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.ai-rec-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gradient-violet);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
}

.ai-rec-name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-violet);
}

.ai-rec-body {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.ai-rec-tag {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.6875rem;
  font-weight: 600;
  background: var(--accent-emerald-dim);
  color: var(--accent-emerald);
}

.demo-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(255,255,255,0.05);
  padding: 0.25rem 0.75rem;
  border-radius: 99px;
  border: 1px solid var(--border-subtle);
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 4rem;
}

.section-header p {
  margin-top: 1rem;
}

/* --- Product Preview (4 cards) --- */
.product-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-violet);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
}

.product-card:hover::before { opacity: 1; }

.product-card-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-violet);
  margin-bottom: 1.25rem;
}

.product-card h3 {
  margin-bottom: 0.625rem;
  font-size: 1.25rem;
}

.product-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* --- Problem Section --- */
.problem-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

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

.problem-card {
  padding: 2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

.problem-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(248, 113, 113, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
  color: var(--accent-red);
}

.problem-card h3 {
  margin-bottom: 0.5rem;
}

.problem-solution {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(139,92,246,0.08), rgba(34,211,238,0.04));
  border: 1px solid rgba(139,92,246,0.15);
}

.problem-solution p {
  font-size: 1.125rem;
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.7;
}

/* --- Feature Showcase --- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 4rem 0;
}

.feature-row:not(:last-child) {
  border-bottom: 1px solid var(--border-subtle);
}

.feature-row.reversed { direction: rtl; }
.feature-row.reversed > * { direction: ltr; }

.feature-text { max-width: 480px; }

.feature-text .eyebrow { margin-bottom: 0.75rem; }

.feature-text h3 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.feature-text p {
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-bottom: 1.75rem;
}

.feature-list-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.feature-list-item .check {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-violet-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  color: var(--accent-violet);
  flex-shrink: 0;
}

.feature-visual {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  overflow: hidden;
  position: relative;
}

.feature-visual::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-violet), transparent);
}

/* Feature preview tables */
.feature-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.feature-table th {
  text-align: left;
  padding: 0.625rem 0.75rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
}

.feature-table td {
  padding: 0.75rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(37,42,56,0.5);
}

.feature-table tr:hover td {
  background: rgba(139,92,246,0.04);
}

.fit-score {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
}

.fit-score.high {
  background: var(--accent-emerald-dim);
  color: var(--accent-emerald);
}

.fit-score.medium {
  background: var(--accent-amber-dim);
  color: var(--accent-amber);
}

/* Chat preview for AI Advisor */
.chat-preview {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.chat-message {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.chat-avatar.user {
  background: var(--accent-cyan-dim);
  color: var(--accent-cyan);
}

.chat-avatar.ai {
  background: var(--gradient-violet);
  color: white;
}

.chat-bubble {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 85%;
}

.chat-bubble.ai-bubble {
  background: linear-gradient(135deg, rgba(139,92,246,0.06), rgba(34,211,238,0.03));
  border-color: rgba(139,92,246,0.15);
}

/* --- How It Works --- */
.steps-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}

.steps-timeline::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: var(--border-subtle);
}

.step {
  text-align: center;
  position: relative;
  padding: 0 1rem;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-violet);
  position: relative;
  z-index: 2;
  transition: all var(--transition-normal);
}

.step:hover .step-number {
  border-color: var(--accent-violet);
  background: var(--accent-violet-dim);
  box-shadow: 0 0 20px rgba(139,92,246,0.2);
}

.step h4 {
  margin-bottom: 0.5rem;
  font-size: 1.125rem;
}

.step p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Free Tools Section --- */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.tool-card:hover {
  border-color: var(--accent-violet);
  transform: translateY(-4px);
}

.tool-card:hover::before { opacity: 1; }

.tool-card > * { position: relative; z-index: 1; }

.tool-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.tool-icon.violet {
  background: var(--accent-violet-dim);
  color: var(--accent-violet);
}

.tool-icon.cyan {
  background: var(--accent-cyan-dim);
  color: var(--accent-cyan);
}

.tool-icon.emerald {
  background: var(--accent-emerald-dim);
  color: var(--accent-emerald);
}

.tool-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.tool-card p {
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
}

/* --- Pricing --- */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.pricing-toggle span {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.pricing-toggle span.active { color: var(--text-primary); }

.toggle-switch {
  width: 52px;
  height: 28px;
  border-radius: 99px;
  background: var(--border-subtle);
  position: relative;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.toggle-switch.active {
  background: var(--accent-violet);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: white;
  transition: transform var(--transition-fast);
}

.toggle-switch.active::after {
  transform: translateX(24px);
}

.save-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--accent-emerald);
  background: var(--accent-emerald-dim);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  transition: all var(--transition-normal);
  position: relative;
}

.pricing-card.featured {
  border-color: var(--accent-violet);
  background: linear-gradient(180deg, rgba(139,92,246,0.08) 0%, var(--bg-card) 40%);
  transform: scale(1.03);
}

.pricing-card.featured::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--accent-violet), transparent 50%);
  z-index: -1;
  opacity: 0.3;
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-violet);
  color: white;
  padding: 0.3rem 1rem;
  border-radius: 99px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.pricing-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.pricing-card .pricing-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  gap: 0.375rem;
  margin-bottom: 0.5rem;
}

.pricing-currency {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.pricing-value {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.pricing-period {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.pricing-feature .check-icon {
  color: var(--accent-emerald);
  font-size: 0.875rem;
  flex-shrink: 0;
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
}

/* --- FAQ --- */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover,
.faq-item.active {
  border-color: var(--border-hover);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  transition: all var(--transition-fast);
}

.faq-question:hover {
  background: var(--bg-card-hover);
}

.faq-chevron {
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--accent-violet);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out);
}

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 400px;
}

/* --- Final CTA --- */
.final-cta {
  text-align: center;
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(139,92,246,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.final-cta h2 {
  position: relative;
  z-index: 1;
  margin-bottom: 1rem;
}

.final-cta p {
  position: relative;
  z-index: 1;
  max-width: 520px;
  margin: 0 auto 2.5rem;
  font-size: 1.0625rem;
}

.final-cta .btn-group {
  position: relative;
  z-index: 1;
  justify-content: center;
}

/* --- Footer --- */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem;
}

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

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  max-width: 280px;
  line-height: 1.6;
}

.footer-column h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover { color: var(--text-primary); }

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}

.footer-social {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.footer-social:hover {
  border-color: var(--accent-violet);
  color: var(--accent-violet);
  background: var(--accent-violet-dim);
}

/* --- Animations --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(139,92,246,0.2); }
  50% { box-shadow: 0 0 40px rgba(139,92,246,0.35); }
}

/* --- Page-specific: Platform --- */
.platform-hero {
  text-align: center;
  padding: 6rem 0 4rem;
}

.platform-diagram {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem;
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.diagram-flow {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.diagram-node {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  text-align: center;
  min-width: 160px;
  transition: all var(--transition-normal);
}

.diagram-node:hover {
  border-color: var(--accent-violet);
  transform: translateY(-2px);
}

.diagram-node h4 {
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.diagram-node p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.diagram-arrow {
  color: var(--accent-violet);
  font-size: 1.25rem;
}

/* --- Page-specific: Tools page --- */
.tools-hero {
  text-align: center;
  padding: 5rem 0 3rem;
}

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

/* --- Tool Page Styles --- */
.tool-page-hero {
  text-align: center;
  padding: 4rem 0 2rem;
}

.tool-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 2rem 4rem;
}

.tool-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.tool-box h3 {
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.375rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent-violet);
  box-shadow: 0 0 0 3px var(--accent-violet-dim);
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9375rem;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239299AA' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  outline: none;
  transition: all var(--transition-fast);
}

.form-select:focus {
  border-color: var(--accent-violet);
  box-shadow: 0 0 0 3px var(--accent-violet-dim);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.result-box {
  background: linear-gradient(135deg, rgba(139,92,246,0.06), rgba(34,211,238,0.03));
  border: 1px solid rgba(139,92,246,0.2);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-top: 2rem;
  display: none;
}

.result-box.visible { display: block; }

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

.result-item {
  text-align: center;
}

.result-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.375rem;
}

.result-value {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.result-value.positive { color: var(--accent-emerald); }
.result-value.negative { color: var(--accent-red); }
.result-value.violet { color: var(--accent-violet); }
.result-value.cyan { color: var(--accent-cyan); }

.result-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid rgba(139,92,246,0.15);
}

/* Score meter */
.score-meter {
  width: 160px;
  height: 160px;
  margin: 0 auto 1.5rem;
  position: relative;
}

.score-meter svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.score-meter circle {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
}

.score-meter .track {
  stroke: var(--border-subtle);
}

.score-meter .progress {
  stroke: var(--accent-violet);
  transition: stroke-dashoffset 1s var(--ease-out);
}

.score-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.score-value .number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.score-value .of {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Score breakdown */
.score-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.score-bar-group label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
}

.score-bar-group label span {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
}

.score-bar-track {
  height: 6px;
  border-radius: 3px;
  background: var(--border-subtle);
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--accent-violet);
  transition: width 0.8s var(--ease-out);
}

.score-bar-fill.cyan { background: var(--accent-cyan); }
.score-bar-fill.emerald { background: var(--accent-emerald); }
.score-bar-fill.amber { background: var(--accent-amber); }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-mobile-toggle { display: flex; }

  .grid-2, .feature-row { grid-template-columns: 1fr; }
  .feature-row.reversed { direction: ltr; }

  .product-cards, .tools-grid, .pricing-grid, .grid-4,
  .problem-grid { grid-template-columns: 1fr 1fr; }

  .dashboard-grid { grid-template-columns: 1fr 1fr; }
  .dashboard-content-grid { grid-template-columns: 1fr; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand { grid-column: 1 / -1; }

  .steps-timeline {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .steps-timeline::before { display: none; }
}

@media (max-width: 640px) {
  .container { padding: 0 1.25rem; }
  .section { padding: 4rem 0; }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }

  .hero { padding: 3rem 0 2rem; min-height: auto; }
  .hero p.hero-desc { font-size: 1rem; }

  .product-cards, .tools-grid, .pricing-grid,
  .problem-grid, .grid-3, .tools-page-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card.featured { transform: none; }

  .dashboard-grid { grid-template-columns: 1fr; }

  .steps-timeline { grid-template-columns: 1fr; }

  .hero-pills { flex-direction: column; gap: 0.75rem; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .form-row { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }

  .feature-row { gap: 2rem; }
  .btn-group { flex-direction: column; width: 100%; }
  .btn-group .btn { width: 100%; justify-content: center; }

  .diagram-flow { flex-direction: column; }
  .diagram-arrow { transform: rotate(90deg); }
}