/* ============================================
   QUANTAIL V3 - Brand Design System
   Based on Quantail Brand Style Guide v1.0
   ============================================ */

:root {
  /* Primary */
  --color-primary: #2BA8A0;
  --color-primary-dark: #1D7A74;
  --color-primary-light: #D4F0EE;
  --color-ink: #1A1F2B;
  --color-surface: #FAFAF7;

  /* Secondary */
  --color-slate: #5C6370;
  --color-mist: #EDEFF2;
  --color-lavender: #EEEAF6;
  --color-mint: #E4F5F0;
  --color-coral-bg: #FCEAE8;
  --color-dusty-blue: #D1DEE8;
  --color-sand: #F5F0E8;
  --color-graphite: #3A3F4B;
  --color-violet: #8B7EC8;
  --color-amber: #E8A838;

  /* Neutrals */
  --neutral-50: #FAFAF7;
  --neutral-100: #F5F5F0;
  --neutral-200: #EDEFF2;
  --neutral-300: #D4D7DD;
  --neutral-400: #9CA3AF;
  --neutral-500: #5C6370;
  --neutral-600: #3A3F4B;
  --neutral-700: #2A2F3A;
  --neutral-800: #1A1F2B;

  /* Semantic */
  --color-success: #1D7A4E;
  --color-success-bg: #E4F5EC;
  --color-warning: #B8860B;
  --color-warning-bg: #FEF3D1;
  --color-error: #C23A3A;
  --color-error-bg: #FCEAE8;
  --color-info: #2B6CB0;
  --color-info-bg: #E0ECFA;

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout */
  --nav-h: 64px;
  --max-w: 1200px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 2px 6px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-xl: 0 8px 24px rgba(0,0,0,0.1);
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary-dark); text-decoration: none; }
a:hover { color: var(--color-primary); }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; color: var(--color-ink); }
h1 { font-size: clamp(2.25rem, 5vw, 3rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3.5vw, 1.75rem); letter-spacing: -0.01em; font-weight: 600; }
h3 { font-size: clamp(1.125rem, 2vw, 1.375rem); font-weight: 600; }
h4 { font-family: var(--font-body); font-size: 1.125rem; font-weight: 600; }
p { margin-bottom: 1rem; color: var(--color-slate); line-height: 1.6; }
p:last-child { margin-bottom: 0; }
strong { font-weight: 600; color: var(--color-ink); }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; }

/* ---- GRAPH PAPER BACKGROUND ---- */
.bg-grid-paper {
  position: relative;
}
.bg-grid-paper::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, var(--color-mist) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(90deg, var(--color-mist) 0 1px, transparent 1px 40px);
  background-size: 40px 40px;
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}
.bg-grid-paper > * { position: relative; z-index: 1; }

/* ---- CONSTRAINT LINE DIVIDER ---- */
.constraint-line {
  position: relative;
  height: 24px;
  margin: 2rem 0;
  overflow: hidden;
}
.constraint-line svg { position: absolute; top: 0; left: 0; width: 100%; height: 24px; }

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  background: rgba(250,250,247,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-mist);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--color-primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}
.nav-links a {
  color: var(--color-ink);
  font-size: 0.875rem;
  font-weight: 450;
  transition: color 150ms ease-out;
}
.nav-links a:hover { color: var(--color-primary); }
.nav-links a.active { color: var(--color-primary-dark); font-weight: 600; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-ink); margin: 5px 0; transition: all 250ms; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 150ms ease-out;
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--color-primary);
  color: white;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  color: white;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.btn-secondary {
  background: transparent;
  color: var(--color-primary-dark);
  border: 1.5px solid var(--color-primary);
}
.btn-secondary:hover {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}
.btn-tertiary {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}
.btn-tertiary:hover {
  background: var(--color-primary);
  color: white;
}
.btn-ghost {
  background: transparent;
  color: var(--color-slate);
  padding: 8px 0;
}
.btn-ghost:hover { color: var(--color-primary-dark); }
.btn-ghost::after { content: ' \2192'; transition: transform 150ms; }
.btn-ghost:hover::after { transform: translateX(4px); }
.btn-sm { padding: 8px 16px; font-size: 0.8125rem; }
.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-group { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  font-size: 0.875rem;
}
.arrow::after { content: '\2192'; transition: transform 150ms; }
.arrow:hover::after { transform: translateX(4px); }

/* ---- SECTIONS ---- */
.section { padding: 5rem 0; }
.section-sm { padding: 3.5rem 0; }

/* Section backgrounds */
.bg-surface { background: var(--color-surface); }
.bg-sand { background: var(--color-sand); }
.bg-lavender { background: var(--color-lavender); }
.bg-mint { background: var(--color-mint); }
.bg-mist { background: var(--neutral-100); }
.bg-graphite {
  background: var(--color-graphite);
  color: rgba(255,255,255,0.85);
}
.bg-graphite h1, .bg-graphite h2, .bg-graphite h3, .bg-graphite h4, .bg-graphite strong { color: white; }
.bg-graphite p { color: rgba(255,255,255,0.7); }
.bg-graphite a { color: var(--color-primary); }
.bg-graphite a:hover { color: var(--color-primary-light); }

.bg-ink {
  background: var(--color-ink);
  color: rgba(255,255,255,0.85);
}
.bg-ink h1, .bg-ink h2, .bg-ink h3, .bg-ink h4, .bg-ink strong { color: white; }
.bg-ink p { color: rgba(255,255,255,0.7); }

/* ---- TYPOGRAPHY HELPERS ---- */
.eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  display: block;
}
.divider {
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  margin: 1rem 0;
}
.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
}
.tag-primary { background: var(--color-primary-light); color: var(--color-primary-dark); }
.tag-amber { background: rgba(232,168,56,0.12); color: #B8860B; }
.tag-teal { background: var(--color-primary-light); color: var(--color-primary-dark); }
.tag-violet { background: var(--color-lavender); color: var(--color-violet); }
.tag-success { background: var(--color-success-bg); color: var(--color-success); }
.tag-error { background: var(--color-error-bg); color: var(--color-error); }
.tag-info { background: var(--color-info-bg); color: var(--color-info); }
.tag-muted { background: var(--neutral-200); color: var(--color-slate); }

.text-display { font-family: var(--font-display); font-size: 3rem; font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
.text-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums lining-nums; }
.text-small { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }

/* ---- GRID LAYOUTS ---- */
.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: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.grid-60-40 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 4rem; align-items: center; }
.grid-40-60 { display: grid; grid-template-columns: 1fr 1.4fr; gap: 4rem; align-items: center; }

/* ---- HERO ---- */
.hero {
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 4rem;
  background: var(--color-surface);
  position: relative;
  overflow: hidden;
  min-height: 85vh;
  display: flex;
  align-items: center;
}
.hero h1 { color: var(--color-ink); margin-bottom: 1rem; }
.hero .sub {
  font-size: 1.125rem;
  color: var(--color-slate);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: 2rem;
}
.hero-stats {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.hero-stat {
  text-align: center;
  padding: 1rem 1.5rem;
  background: white;
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-lg);
  min-width: 120px;
}
.hero-stat .num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  font-variant-numeric: tabular-nums lining-nums;
}
.hero-stat .label {
  font-size: 0.6875rem;
  color: var(--color-slate);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0.25rem;
  display: block;
}

/* Sub-page hero */
.hero-sub {
  padding-top: calc(var(--nav-h) + 3.5rem);
  padding-bottom: 3rem;
  background: var(--color-surface);
  position: relative;
}
.hero-sub h1 { color: var(--color-ink); margin-bottom: 0.75rem; font-size: clamp(1.75rem, 4vw, 2.25rem); }
.hero-sub .sub { font-size: 1.125rem; color: var(--color-slate); max-width: 620px; line-height: 1.6; }

/* ---- VISUAL: Heatmap ---- */
.heatmap-visual { position: relative; }
.heatmap-container {
  background: white;
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.heatmap-grid { display: grid; grid-template-columns: repeat(24, 1fr); gap: 2px; }
.heatmap-cell {
  aspect-ratio: 1;
  border-radius: 2px;
  font-size: 0;
  transition: transform 150ms;
}
.heatmap-cell:hover { transform: scale(1.4); z-index: 2; }
.heatmap-labels { display: flex; justify-content: space-between; margin-top: 0.5rem; }
.heatmap-labels span { font-size: 0.625rem; color: var(--color-slate); font-family: var(--font-mono); }
.heatmap-months {
  position: absolute;
  left: -2.5rem;
  top: 0;
  bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.heatmap-months span { font-size: 0.5625rem; color: var(--color-slate); font-family: var(--font-mono); }
.heatmap-legend { display: flex; gap: 0.75rem; margin-top: 0.75rem; align-items: center; flex-wrap: wrap; }
.heatmap-legend-item { display: flex; align-items: center; gap: 0.3rem; font-size: 0.6875rem; color: var(--color-slate); }
.heatmap-legend-swatch { width: 12px; height: 12px; border-radius: 2px; }
.heatmap-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 0.75rem;
}
.heatmap-source {
  font-size: 0.6875rem;
  color: var(--color-slate);
  margin-top: 0.5rem;
}

/* ---- VISUAL: Queue ---- */
.queue-stack { display: flex; flex-direction: column; gap: 0.4rem; }
.queue-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  background: white;
  border: 1px solid var(--color-mist);
  transition: all 200ms;
}
.queue-item.highlight {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}
.queue-item.attrited {
  opacity: 0.35;
  text-decoration: line-through;
  border-style: dashed;
}
.queue-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}
.queue-num-default { background: var(--neutral-200); color: var(--color-slate); }
.queue-num-you { background: var(--color-primary); color: white; }
.queue-name { font-size: 0.8125rem; color: var(--color-ink); flex: 1; }
.queue-mw { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--color-primary-dark); font-weight: 600; }

/* ---- CARDS ---- */
.card {
  background: white;
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all 200ms ease-out;
}
.card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

/* ---- REPORT PREVIEW ---- */
.report-preview {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  border: 1px solid var(--color-mist);
  transform: perspective(1000px) rotateY(-2deg) rotateX(1deg);
  transition: transform 400ms;
}
.report-preview:hover { transform: perspective(1000px) rotateY(0) rotateX(0); }
.report-header { background: var(--color-graphite); padding: 1.25rem 1.5rem; }
.report-header-title { color: var(--color-primary); font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.report-header h3 { color: white; font-size: 1.125rem; margin-top: 0.25rem; }
.report-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--color-mist); }
.report-metric { background: white; padding: 0.75rem; text-align: center; }
.report-metric .val {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  display: block;
  font-variant-numeric: tabular-nums lining-nums;
}
.report-metric .val.green { color: var(--color-success); }
.report-metric .val.amber { color: var(--color-warning); }
.report-metric .lbl { font-size: 0.625rem; color: var(--color-slate); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 0.15rem; display: block; }
.report-body { padding: 1.25rem 1.5rem; }

/* ---- PRICING ---- */
.pricing-card {
  background: white;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  text-align: center;
  max-width: 500px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}
.price {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums lining-nums;
}
.price-label { color: var(--color-slate); font-size: 0.9375rem; margin-bottom: 1.5rem; }
.price-list { list-style: none; text-align: left; margin: 1.5rem 0; }
.price-list li {
  padding: 0.4rem 0;
  color: var(--color-ink);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9375rem;
}
.price-list li::before { content: '\2713'; color: var(--color-primary); font-weight: 700; flex-shrink: 0; }

/* ---- COMPARISON TABS ---- */
.comp-tabs { display: flex; gap: 0.25rem; margin-bottom: 2rem; flex-wrap: wrap; }
.comp-tab {
  padding: 0.5rem 1rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  background: white;
  color: var(--color-ink);
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 150ms;
}
.comp-tab:hover { border-color: var(--color-primary); color: var(--color-primary-dark); }
.comp-tab.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.comp-panel { display: none; animation: fadeIn 0.3s; }
.comp-panel.active { display: block; }
.comp-row { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 1.5rem; }
.comp-label { font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-slate); margin-bottom: 0.4rem; font-weight: 600; }

/* ---- SENSITIVITY TABLE ---- */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.8125rem; font-variant-numeric: tabular-nums lining-nums; }
.data-table thead th {
  background: var(--color-graphite);
  color: white;
  padding: 0.6rem 1rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.data-table thead th:first-child { text-align: left; }
.data-table thead th { text-align: right; }
.data-table td { padding: 0.6rem 1rem; border-bottom: 1px solid var(--color-mist); }
.data-table td:first-child { text-align: left; }
.data-table td { text-align: right; }
.data-table tbody tr:nth-child(even) { background: var(--neutral-50); }
.data-table tbody tr:nth-child(odd) { background: var(--neutral-100); }
.data-table tfoot tr { background: var(--color-lavender); font-weight: 600; }

/* ---- SLIDER MODULE ---- */
.slider-module {
  background: white;
  border: 1px solid var(--color-mist);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.slider-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.slider-track {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--color-mist);
  outline: none;
}
.slider-track::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 2px solid white;
  box-shadow: 0 2px 6px rgba(43,168,160,0.3);
}
.slider-track::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 2px solid white;
}
.slider-outputs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; margin-top: 1rem; }
.slider-output {
  text-align: center;
  padding: 0.75rem;
  background: var(--neutral-100);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-mist);
}
.slider-output-label { font-size: 0.625rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-slate); display: block; }
.slider-output-value {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  margin-top: 0.2rem;
  font-variant-numeric: tabular-nums lining-nums;
}
.slider-output-value.warning { color: var(--color-warning); }
.slider-output-value.danger { color: var(--color-error); }

/* ---- DELIVERABLE LIST ---- */
.deliverable-list { list-style: none; }
.deliverable-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-mist);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.deliverable-list li:last-child { border-bottom: none; }
.deliverable-check { color: var(--color-primary); font-weight: 700; flex-shrink: 0; font-size: 1.1rem; }

/* ---- PROCESS STEPS ---- */
.process-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

/* ---- FEATURE GRID ---- */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.feature-item {
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  background: white;
  border: 1px solid var(--color-mist);
  transition: border-color 200ms;
}
.feature-item:hover { border-color: var(--color-primary); }
.feature-item h4 { font-size: 1rem; margin-bottom: 0.4rem; }

/* ---- STAT ROW ---- */
.stat-row { display: flex; gap: 2.5rem; flex-wrap: wrap; }
.stat-block { text-align: center; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
  font-variant-numeric: tabular-nums lining-nums;
}
.stat-label { font-size: 0.6875rem; color: var(--color-slate); text-transform: uppercase; letter-spacing: 0.04em; }

/* ---- FORM ---- */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--color-ink);
}
.form-input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  background: white;
  border: 1.5px solid var(--color-mist);
  border-radius: var(--radius-md);
  color: var(--color-ink);
  outline: none;
  transition: border-color 200ms;
}
.form-input:focus { border-color: var(--color-primary); }
.form-input::placeholder { color: var(--neutral-400); }
textarea.form-input { min-height: 120px; resize: vertical; }

/* ---- FAQ ---- */
.faq-item { border-bottom: 1px solid var(--color-mist); padding: 1rem 0; }
.faq-item:last-child { border-bottom: none; }
.faq-q {
  font-weight: 600;
  color: var(--color-ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9375rem;
}
.faq-q::after { content: '+'; font-size: 1.2rem; color: var(--color-primary); transition: transform 200ms; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 300ms ease, padding 300ms; }
.faq-item.open .faq-a { max-height: 400px; padding-top: 0.5rem; }

/* ---- FOOTER ---- */
.footer {
  background: var(--color-graphite);
  border-top: none;
  padding: 3rem 0 1.5rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
.footer-brand p { color: rgba(255,255,255,0.5); font-size: 0.875rem; max-width: 280px; }
.footer h4 { color: rgba(255,255,255,0.4); font-family: var(--font-body); font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.75rem; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.4rem; }
.footer-links a { color: rgba(255,255,255,0.7); font-size: 0.8125rem; }
.footer-links a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.3);
}
.footer-bottom a { color: rgba(255,255,255,0.3); margin-left: 1.5rem; }
.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* Queue dots motif in footer */
.queue-dots {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 1rem 0;
  justify-content: center;
}
.queue-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ---- ALERTS ---- */
.alert {
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.8125rem;
  line-height: 1.5;
  border-left: 4px solid;
}
.alert-info { background: var(--color-info-bg); border-color: var(--color-info); }
.alert-success { background: var(--color-success-bg); border-color: var(--color-success); }
.alert-warning { background: var(--color-warning-bg); border-color: var(--color-warning); }
.alert-error { background: var(--color-error-bg); border-color: var(--color-error); }

/* ---- PHOTO ---- */
.founder-photo {
  width: 280px;
  height: 280px;
  border-radius: var(--radius-xl);
  object-fit: cover;
  border: 2px solid var(--color-mist);
}
.founder-photo-placeholder {
  width: 280px;
  height: 280px;
  border-radius: var(--radius-xl);
  background: var(--color-primary-light);
  border: 2px solid var(--color-mist);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

/* ---- ANIMATIONS ---- */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.fade-in { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease-out, transform 0.5s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.stagger > * { opacity: 0; transform: translateY(12px); transition: opacity 0.4s ease-out, transform 0.4s ease-out; }
.stagger.visible > *:nth-child(1) { transition-delay: 0ms; }
.stagger.visible > *:nth-child(2) { transition-delay: 80ms; }
.stagger.visible > *:nth-child(3) { transition-delay: 160ms; }
.stagger.visible > *:nth-child(4) { transition-delay: 240ms; }
.stagger.visible > * { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .fade-in, .stagger > * { opacity: 1; transform: none; transition: none; }
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .grid-2, .grid-60-40, .grid-40-60 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .comp-row { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  body { font-size: 15px; }
  .section { padding: 3.5rem 0; }
  .section-sm { padding: 2.5rem 0; }
  .container { padding: 0 1.25rem; }
  .nav { height: 56px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-mist);
    gap: 1rem;
    box-shadow: var(--shadow-xl);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .grid-2, .grid-3, .grid-4, .grid-60-40, .grid-40-60 { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: calc(56px + 2.5rem); padding-bottom: 2.5rem; }
  .hero-sub { padding-top: calc(56px + 2rem); padding-bottom: 1.5rem; }
  .btn-group { flex-direction: column; }
  .btn-group .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: 0.5rem; }
  .hero-stat { min-width: 100px; padding: 0.6rem 0.75rem; }
  .report-preview { transform: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .heatmap-visual { overflow-x: auto; }
  .slider-outputs { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .report-metrics { grid-template-columns: 1fr; }
  .founder-photo, .founder-photo-placeholder { width: 200px; height: 200px; }
}

/* ---- ADDITIONAL COMPONENT CLASSES ---- */
.hero-buttons { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.stat { text-align: center; padding: 1rem 1.5rem; background: white; border: 1px solid var(--color-mist); border-radius: var(--radius-lg); min-width: 120px; }
.stat-value { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; color: var(--color-primary); display: block; font-variant-numeric: tabular-nums lining-nums; }
.capability-card { padding: 1.5rem; border-radius: var(--radius-lg); background: white; border: 1px solid var(--color-mist); transition: border-color 200ms; }
.capability-card:hover { border-color: var(--color-primary); }
.capability-card h3 { margin-bottom: 0.5rem; }
.link-arrow { display: inline-flex; align-items: center; gap: 0.3rem; font-weight: 600; color: var(--color-primary-dark); font-size: 0.875rem; }
.link-arrow::after { content: '\2192'; transition: transform 150ms; }
.link-arrow:hover::after { transform: translateX(4px); }
.report-title { color: var(--color-primary); font-size: 0.6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.report-subtitle { font-size: 0.75rem; color: rgba(255,255,255,0.6); margin-top: 0.25rem; }
.metric { background: white; padding: 0.75rem; text-align: center; }
.metric-value { font-family: var(--font-mono); font-size: 1.25rem; font-weight: 700; display: block; font-variant-numeric: tabular-nums lining-nums; }
.metric-value.green { color: var(--color-success); }
.metric-value.amber { color: var(--color-warning); }
.metric-label { font-size: 0.625rem; color: var(--color-slate); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 0.15rem; display: block; }
.queue-details { display: flex; flex-direction: column; gap: 0.15rem; flex: 1; }
.queue-capacity { font-family: var(--font-mono); font-size: 0.8125rem; color: var(--color-primary-dark); font-weight: 600; }
.queue-summary { display: flex; gap: 0.75rem; align-items: center; margin-top: 1rem; font-size: 0.875rem; flex-wrap: wrap; }
.queue-summary .divider { width: 1px; height: 16px; background: var(--color-mist); margin: 0; }
.client-card { display: block; padding: 1.5rem; border-radius: var(--radius-lg); background: white; border: 1px solid var(--color-mist); transition: all 200ms; text-decoration: none; color: inherit; }
.client-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-lg); transform: translateY(-2px); color: inherit; }
.client-card h3 { margin-bottom: 0.5rem; }
.container-narrow { max-width: 700px; text-align: center; margin: 0 auto; }
.footer-logo { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; color: white; letter-spacing: -0.02em; text-decoration: none; }
.footer-logo span { color: var(--color-primary); }
.heatmap-month-labels { display: flex; flex-direction: column; gap: 2px; }
.heatmap-cells { display: flex; flex-direction: column; gap: 2px; }
.heatmap-month-row { display: grid; grid-template-columns: repeat(24, 1fr); gap: 2px; }
.heatmap-hour-labels { display: grid; grid-template-columns: repeat(24, 1fr); margin-top: 0.5rem; }
.hour-label { font-size: 0.625rem; color: var(--color-slate); font-family: var(--font-mono); }
.month-label { font-size: 0.5625rem; color: var(--color-slate); font-family: var(--font-mono); }
.legend-bar { flex: 1; height: 12px; border-radius: 2px; background: linear-gradient(to right, #D4F0EE, #2BA8A0, #1D7A74, #E8A838, #C23A3A); }
.comp-tab-buttons { display: flex; gap: 0.25rem; margin-bottom: 2rem; flex-wrap: wrap; }
.comp-tab-btn { padding: 0.5rem 1rem; font-family: var(--font-body); font-size: 0.8125rem; font-weight: 500; background: white; color: var(--color-ink); border: 1px solid var(--color-mist); border-radius: var(--radius-md); cursor: pointer; transition: all 150ms; }
.comp-tab-btn:hover { border-color: var(--color-primary); color: var(--color-primary-dark); }
.comp-tab-btn.active { background: var(--color-primary); color: white; border-color: var(--color-primary); }
.comp-tab-panel { display: none; animation: fadeIn 0.3s; }
.comp-tab-panel.active { display: block; }
.comp-col h4 { font-size: 1rem; margin-bottom: 0.5rem; }
.comp-col p { font-size: 0.9375rem; line-height: 1.6; }
.cta-section { text-align: center; }
.cta-section h2 { margin-bottom: 1rem; }
.cta-section p { max-width: 520px; margin: 0 auto 2rem; }
.section-padding { padding: 5rem 0; }
.nav-container { max-width: var(--max-w); margin: 0 auto; padding: 0 2rem; height: 100%; display: flex; align-items: center; justify-content: space-between; }

/* Deliverable item (div-based variant) */
.deliverable-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-mist);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}
.deliverable-item:last-child { border-bottom: none; }
.deliverable-item span { font-size: 0.9375rem; color: var(--color-ink); line-height: 1.5; }

/* SVG checkmark icon */
.checkmark {
  width: 22px;
  height: 22px;
  min-width: 22px;
  min-height: 22px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}