/* ============================================================
   GoNesting — Light / Blue Modern Design System
   ============================================================ */

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

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

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  --white:         #ffffff;
  --gray-50:       #f8fafc;
  --gray-100:      #f1f5f9;
  --gray-200:      #e2e8f0;
  --gray-300:      #cbd5e1;
  --gray-400:      #94a3b8;
  --gray-500:      #64748b;
  --gray-600:      #475569;
  --gray-700:      #334155;
  --gray-800:      #1e293b;
  --gray-900:      #0f172a;
  --gray-950:      #020617;

  --blue-50:       #eff6ff;
  --blue-100:      #dbeafe;
  --blue-200:      #bfdbfe;
  --blue-300:      #93c5fd;
  --blue-400:      #60a5fa;
  --blue-500:      #3b82f6;
  --blue-600:      #2563eb;
  --blue-700:      #1d4ed8;
  --blue-800:      #1e40af;
  --blue-900:      #1e3a8a;
  --indigo-500:    #6366f1;
  --indigo-600:    #4f46e5;

  --background:    var(--white);
  --surface:       var(--gray-50);
  --foreground:    var(--gray-900);
  --muted:         var(--gray-500);
  --border:        var(--gray-200);
  --border-strong: var(--gray-300);

  --accent:        var(--blue-600);
  --accent-light:  var(--blue-50);
  --accent-muted:  var(--blue-100);

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

  --radius-sm:  0.375rem;
  --radius:     0.625rem;
  --radius-lg:  1rem;
  --radius-xl:  1.5rem;
  --radius-full: 9999px;

  --shadow-xs:  0 1px 2px 0 rgb(0 0 0 / 0.04);
  --shadow-sm:  0 1px 3px 0 rgb(0 0 0 / 0.07), 0 1px 2px -1px rgb(0 0 0 / 0.06);
  --shadow-md:  0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.06);
  --shadow-lg:  0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-xl:  0 20px 25px -5px rgb(0 0 0 / 0.08), 0 8px 10px -6px rgb(0 0 0 / 0.05);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.15);
  --shadow-blue: 0 4px 14px 0 rgb(37 99 235 / 0.25);

  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Base ─────────────────────────────────────────────────── */
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; }
button { cursor: pointer; font: inherit; }

/* ── Typography ───────────────────────────────────────────── */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  border: 1px solid var(--accent-muted);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
}

/* ── Layout ───────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ── NAV ──────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 4rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: linear-gradient(135deg, var(--blue-600), var(--indigo-600));
  border-radius: var(--radius-sm);
  color: white;
}

.nav-logo-text {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-900);
}

.nav-links {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

@media (min-width: 1024px) { .nav-links { display: flex; } }

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-600);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover { color: var(--gray-900); background: var(--gray-100); }

.nav-actions {
  display: none;
  align-items: center;
  gap: 0.75rem;
}

@media (min-width: 1024px) { .nav-actions { display: flex; } }

.nav-signin {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-600);
  padding: 0.375rem 0.75rem;
  transition: color var(--transition);
}

.nav-signin:hover { color: var(--gray-900); }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--blue-600), var(--indigo-600));
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  border: none;
  transition: opacity var(--transition), box-shadow var(--transition), transform var(--transition);
  box-shadow: var(--shadow-blue);
  cursor: pointer;
  text-decoration: none;
}

.btn-primary:hover {
  opacity: 0.92;
  box-shadow: 0 6px 20px rgb(37 99 235 / 0.35);
  transform: translateY(-1px);
}

.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: white;
  color: var(--gray-700);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-strong);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  border-color: var(--blue-400);
  background: var(--blue-50);
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  border-bottom: 1.5px solid var(--blue-300);
  padding-bottom: 0.125rem;
  transition: border-color var(--transition), color var(--transition);
}

.btn-ghost:hover { border-color: var(--accent); color: var(--blue-700); }

.btn-lg { font-size: 1rem; padding: 0.75rem 2rem; }

.nav-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--gray-700);
  transition: background var(--transition), border-color var(--transition);
}

.nav-menu-btn:hover { background: var(--gray-100); border-color: var(--gray-300); }

@media (min-width: 1024px) { .nav-menu-btn { display: none; } }

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--white) 0%, var(--blue-50) 55%, var(--white) 100%);
  border-bottom: 1px solid var(--border);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--blue-100) 1px, transparent 1px),
    linear-gradient(to bottom, var(--blue-100) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.5;
  pointer-events: none;
}

.hero-glow-1 {
  position: absolute;
  top: -8rem;
  right: -6rem;
  width: 32rem;
  height: 32rem;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-glow-2 {
  position: absolute;
  bottom: -6rem;
  left: -4rem;
  width: 24rem;
  height: 24rem;
  background: radial-gradient(circle, rgba(99,102,241,0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  align-items: center;
  gap: 3.5rem;
  padding-block: 5rem;
}

@media (min-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1.1fr 1fr;
    padding-block: 6.5rem;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: white;
  border: 1.5px solid var(--blue-200);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.875rem 0.3rem 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue-700);
  box-shadow: var(--shadow-sm);
}

.hero-badge-dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  background: var(--blue-500);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  margin-top: 1.25rem;
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--gray-900);
}

.hero-title-highlight {
  background: linear-gradient(135deg, var(--blue-600) 0%, var(--indigo-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  margin-top: 1.25rem;
  font-size: 1.075rem;
  line-height: 1.7;
  color: var(--gray-500);
  max-width: 38rem;
}

.hero-ctas {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.hero-note {
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

/* ── NESTING CARD ─────────────────────────────────────────── */
.nesting-card {
  background: white;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
}

.nesting-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.875rem;
  margin-bottom: 0.875rem;
  border-bottom: 1px solid var(--border);
}

.nesting-card-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.nesting-card-badge {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--blue-600);
  background: var(--blue-50);
  border: 1px solid var(--blue-200);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.625rem;
}

.nesting-card-badge-dot {
  width: 0.375rem;
  height: 0.375rem;
  background: var(--blue-500);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

.nesting-canvas {
  aspect-ratio: 5/3;
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--gray-50);
  border: 1px solid var(--border);
}

.nesting-card-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 0.875rem;
  padding-top: 0.875rem;
  border-top: 1px solid var(--border);
}

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

.stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-top: 0.125rem;
}

.stat-value.accent { color: var(--blue-600); }

/* ── SECTION BASE ─────────────────────────────────────────── */
.section {
  padding-block: 5rem;
  border-bottom: 1px solid var(--border);
}

.section-alt { background: var(--gray-50); }

.section-header { max-width: 42rem; }

.section-header.centered {
  max-width: 52rem;
  margin-inline: auto;
  text-align: center;
}

.section-title {
  margin-top: 0.75rem;
  font-size: clamp(1.75rem, 3.5vw, 2.4rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--gray-900);
}

.section-sub {
  margin-top: 0.875rem;
  font-size: 1rem;
  color: var(--gray-500);
  line-height: 1.65;
}

/* ── HOW IT WORKS ─────────────────────────────────────────── */
.how-steps {
  display: grid;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 768px) { .how-steps { grid-template-columns: repeat(3, 1fr); } }

.how-step {
  background: white;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.how-step:hover {
  border-color: var(--blue-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.how-step-icon {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  background: var(--blue-50);
  border: 1.5px solid var(--blue-100);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-600);
}

.how-step-title {
  margin-top: 0.25rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
}

.how-step-body {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--gray-500);
}

/* ── BENCHMARK ────────────────────────────────────────────── */
.benchmark-layout {
  display: grid;
  gap: 3rem;
  margin-top: 3rem;
  align-items: center;
}

@media (min-width: 1024px) { .benchmark-layout { grid-template-columns: 1fr 1fr; } }

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

.stat-block {
  background: var(--gray-50);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.stat-block:hover { border-color: var(--blue-200); box-shadow: var(--shadow-sm); }

.stat-block dt {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--blue-600);
  line-height: 1;
}

.stat-block dd {
  margin-top: 0.5rem;
  font-size: 0.78rem;
  color: var(--gray-500);
  line-height: 1.5;
}

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

.compare-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 1rem;
  border: 1.5px solid var(--border);
}

.compare-card.winner {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.08);
}

.compare-canvas {
  aspect-ratio: 5/3;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--gray-50);
  border: 1px solid var(--border);
}

.compare-label {
  margin-top: 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--gray-500);
}

.compare-label.winner { color: var(--blue-600); }

/* ── BENCH GRID ───────────────────────────────────────────── */
.bench-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
}

@media (min-width: 640px) { .bench-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .bench-grid { grid-template-columns: repeat(4, 1fr); } }

.bench-card {
  background: white;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.bench-card:hover {
  border-color: var(--blue-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.bench-canvas {
  aspect-ratio: 5/3;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--gray-50);
  border: 1px solid var(--border);
}

.bench-pct {
  margin-top: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--blue-600);
}

.bench-desc {
  margin-top: 0.25rem;
  font-size: 0.775rem;
  color: var(--gray-500);
  line-height: 1.5;
}

/* ── ROI CALCULATOR ───────────────────────────────────────── */
.roi-layout {
  display: grid;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 1024px) { .roi-layout { grid-template-columns: 1.3fr 1fr; } }

.roi-inputs {
  background: white;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.roi-inputs-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.roi-sliders {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.5rem;
}

.roi-slider-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.625rem;
}

.roi-slider-label {
  font-size: 0.875rem;
  color: var(--gray-600);
  font-weight: 500;
}

.roi-slider-value {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--gray-800);
  background: var(--gray-100);
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-sm);
}

.roi-range {
  width: 100%;
  height: 0.375rem;
  -webkit-appearance: none;
  appearance: none;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

.roi-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 1.25rem;
  height: 1.25rem;
  background: linear-gradient(135deg, var(--blue-600), var(--indigo-600));
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-blue);
  transition: transform var(--transition);
}

.roi-range::-webkit-slider-thumb:hover { transform: scale(1.15); }

.roi-range::-moz-range-thumb {
  width: 1.25rem;
  height: 1.25rem;
  background: var(--blue-600);
  border-radius: 50%;
  border: none;
  cursor: pointer;
}

.roi-range-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--gray-400);
  margin-top: 0.375rem;
}

.roi-result {
  background: linear-gradient(160deg, var(--gray-900) 0%, var(--blue-900) 100%);
  border-radius: var(--radius-xl);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 16rem;
  position: relative;
  overflow: hidden;
}

.roi-result-glow {
  position: absolute;
  top: -4rem;
  right: -4rem;
  width: 16rem;
  height: 16rem;
  background: radial-gradient(circle, rgba(59,130,246,0.3) 0%, transparent 70%);
  pointer-events: none;
}

.roi-result-label { font-size: 0.875rem; color: rgba(255,255,255,0.6); position: relative; }

.roi-result-spend {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  position: relative;
}

.roi-save-label {
  margin-top: 2rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  position: relative;
}

.roi-save-amount {
  font-family: var(--font-mono);
  font-size: 3.5rem;
  font-weight: 900;
  color: white;
  line-height: 1;
  position: relative;
  background: linear-gradient(135deg, #93c5fd, #dbeafe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.roi-save-period {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  position: relative;
  margin-top: 0.25rem;
}

.roi-payback {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  position: relative;
}

.roi-payback strong { color: #93c5fd; font-weight: 700; }

.roi-cta {
  margin-top: 1.5rem;
  position: relative;
  display: block;
  width: 100%;
  text-align: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  background: white;
  color: var(--blue-700);
  transition: background var(--transition);
}

.roi-cta:hover { background: var(--blue-50); }

/* ── FEATURES ─────────────────────────────────────────────── */
.features-grid {
  display: grid;
  gap: 1rem;
  margin-top: 3rem;
}

@media (min-width: 640px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }

.feature-card {
  background: white;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.feature-card:hover {
  border-color: var(--blue-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: var(--blue-50);
  border: 1.5px solid var(--blue-100);
  border-radius: var(--radius-lg);
  color: var(--blue-600);
}

.feature-category {
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-500);
}

.feature-title {
  margin-top: 0.375rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
}

.feature-body {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--gray-500);
}

/* ── USE CASES ────────────────────────────────────────────── */
.use-cases-grid {
  display: grid;
  gap: 1rem;
  margin-top: 3rem;
}

@media (min-width: 640px) { .use-cases-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .use-cases-grid { grid-template-columns: repeat(4, 1fr); } }

.use-case-card {
  background: white;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.use-case-card:hover {
  border-color: var(--blue-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.use-case-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-500), var(--indigo-500));
  opacity: 0;
  transition: opacity var(--transition);
}

.use-case-card:hover::before { opacity: 1; }

.use-case-icon { flex-shrink: 0; margin-top: 0.125rem; color: var(--blue-600); }

.use-case-title {
  margin-top: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-900);
}

.use-case-body {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--gray-500);
}

/* ── PRICING ──────────────────────────────────────────────── */
.pricing-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 3rem;
  align-items: start;
}

@media (min-width: 1024px) { .pricing-grid { grid-template-columns: repeat(3, 1fr); } }

.pricing-card {
  background: white;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.pricing-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }

.pricing-card.featured {
  border-color: var(--blue-400);
  background: linear-gradient(160deg, var(--blue-50) 0%, white 100%);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.08), var(--shadow-lg);
  transform: scale(1.02);
}

.pricing-card.featured:hover { transform: scale(1.02) translateY(-3px); }

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

.pricing-plan {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-700);
}

.pricing-badge {
  background: linear-gradient(135deg, var(--blue-600), var(--indigo-600));
  color: white;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.2rem 0.625rem;
  border-radius: var(--radius-full);
}

.pricing-price {
  margin-top: 1.25rem;
  font-family: var(--font-mono);
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--gray-900);
  line-height: 1;
}

.pricing-price-period {
  font-size: 0.875rem;
  color: var(--gray-400);
  font-weight: 400;
  font-family: var(--font-sans);
}

.pricing-desc {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.55;
}

.pricing-divider { height: 1px; background: var(--border); margin-block: 1.5rem; }

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}

.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--gray-600);
}

.pricing-check {
  flex-shrink: 0;
  width: 1.125rem;
  height: 1.125rem;
  background: var(--blue-100);
  border-radius: 50%;
  color: var(--blue-600);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.1rem;
}

.pricing-cta {
  margin-top: 2rem;
  display: block;
  text-align: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  transition: all var(--transition);
}

.pricing-cta.outline {
  border: 1.5px solid var(--border-strong);
  color: var(--gray-700);
}

.pricing-cta.outline:hover {
  border-color: var(--blue-400);
  background: var(--blue-50);
  color: var(--blue-700);
}

.pricing-cta.solid {
  background: linear-gradient(135deg, var(--blue-600), var(--indigo-600));
  color: white;
  box-shadow: var(--shadow-blue);
}

.pricing-cta.solid:hover {
  opacity: 0.92;
  box-shadow: 0 6px 20px rgba(37,99,235,0.35);
}

/* ── FAQ ──────────────────────────────────────────────────── */
.faq-list {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: white;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item.open { border-color: var(--blue-300); box-shadow: var(--shadow-sm); }

.faq-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.125rem 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-800);
  transition: background var(--transition);
}

.faq-btn:hover { background: var(--gray-50); }

.faq-icon {
  flex-shrink: 0;
  width: 1.5rem;
  height: 1.5rem;
  background: var(--gray-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  transition: background var(--transition), color var(--transition), transform var(--transition-slow);
}

.faq-item.open .faq-icon {
  background: var(--blue-100);
  color: var(--blue-600);
  transform: rotate(45deg);
}

.faq-body {
  display: none;
  padding: 0 1.5rem 1.25rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--gray-500);
}

.faq-item.open .faq-body { display: block; }

/* ── CTA SECTION ──────────────────────────────────────────── */
.cta-section {
  background: linear-gradient(160deg, var(--gray-900) 0%, var(--blue-900) 100%);
  border-bottom: 1px solid var(--gray-800);
  position: relative;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(59,130,246,0.2) 0%, transparent 60%);
  pointer-events: none;
}

.cta-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.cta-inner {
  position: relative;
  padding-block: 6rem;
  text-align: center;
  max-width: 48rem;
  margin-inline: auto;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: white;
}

.cta-title span {
  background: linear-gradient(135deg, #93c5fd, #dbeafe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.cta-sub {
  margin-top: 1.25rem;
  font-size: 1rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.65;
}

.cta-actions {
  margin-top: 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.cta-note {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
  font-family: var(--font-mono);
}

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: white;
  color: var(--blue-700);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  border: none;
  transition: background var(--transition), transform var(--transition);
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

.btn-white:hover { background: var(--blue-50); transform: translateY(-1px); }

.btn-outline-white {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(255,255,255,0.25);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  cursor: pointer;
  text-decoration: none;
}

.btn-outline-white:hover {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.07);
  transform: translateY(-1px);
}

/* ── FOOTER ───────────────────────────────────────────────── */
.footer { background: var(--gray-950); color: var(--gray-400); }

.footer-top {
  display: grid;
  gap: 2.5rem;
  padding-block: 3.5rem;
}

@media (min-width: 768px) { .footer-top { grid-template-columns: 1.5fr repeat(3, 1fr); } }

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  text-decoration: none;
}

.footer-brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: linear-gradient(135deg, var(--blue-600), var(--indigo-600));
  border-radius: var(--radius-sm);
  color: white;
}

.footer-brand-name {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: white;
}

.footer-tagline {
  margin-top: 0.875rem;
  font-size: 0.825rem;
  color: var(--gray-500);
  line-height: 1.65;
  max-width: 18rem;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-top: 1rem;
}

.footer-link {
  font-size: 0.85rem;
  color: var(--gray-500);
  transition: color var(--transition);
}

.footer-link:hover { color: white; }

.footer-bottom { border-top: 1px solid var(--gray-800); }

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-block: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gray-600);
}

/* ── ANIMATIONS ───────────────────────────────────────────── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(1.5rem); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-up { animation: fade-up 0.6s ease-out both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ── SCROLL REVEAL ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.65s ease-out, transform 0.65s ease-out;
}

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


/* ═══════════════════════════════════════════════════════════
     AUXILIARY PAGE STYLES
═══════════════════════════════════════════════════════════ */

/* Forms & Contact */
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; color: var(--gray-700); margin-bottom: 0.5rem; }
.form-input, .form-textarea { width: 100%; padding: 0.75rem 1rem; border: 1.5px solid var(--border); border-radius: var(--radius); font-family: inherit; font-size: 1rem; color: var(--gray-800); background: white; transition: all var(--transition); }
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--blue-500); box-shadow: 0 0 0 4px var(--blue-100); }
.form-textarea { resize: vertical; min-height: 120px; }
.contact-layout { display: grid; gap: 4rem; }
@media (min-width: 768px) { .contact-layout { grid-template-columns: 1fr 1.5fr; } }
.contact-info-card { background: var(--blue-50); padding: 2.5rem; border-radius: var(--radius-lg); border: 1px solid var(--blue-100); }

/* Document Prose */
.document-prose { max-width: 65ch; margin: 0 auto; color: var(--gray-700); font-size: 1.05rem; line-height: 1.7; }
.document-prose h2 { color: var(--gray-900); font-size: 1.5rem; margin-top: 3rem; margin-bottom: 1rem; }
.document-prose h3 { color: var(--gray-900); font-size: 1.25rem; margin-top: 2rem; margin-bottom: 0.75rem; }
.document-prose p, .document-prose ul { margin-bottom: 1.5rem; }
.document-prose li { margin-bottom: 0.5rem; }

/* Documentation */
.docs-layout { display: grid; gap: 3rem; align-items: start; }
@media (min-width: 992px) { .docs-layout { grid-template-columns: 240px 1fr; } }
.docs-sidebar { position: sticky; top: 6rem; }
.docs-nav { list-style: none; padding: 0; margin: 0; }
.docs-nav li { margin-bottom: 0.5rem; }
.docs-nav a { text-decoration: none; color: var(--gray-600); font-weight: 500; display: block; padding: 0.5rem 0.75rem; border-radius: var(--radius); transition: all var(--transition); }
.docs-nav a:hover, .docs-nav a.active { background: var(--blue-50); color: var(--blue-600); }

/* Timeline */
.timeline { position: relative; max-width: 48rem; margin: 0 auto; padding-left: 2rem; }
.timeline::before { content: ''; position: absolute; left: 0; top: 0.5rem; bottom: 0; width: 2px; background: var(--border); }
.timeline-item { position: relative; margin-bottom: 3rem; }
.timeline-marker { position: absolute; left: -2.375rem; top: 0.25rem; width: 12px; height: 12px; border-radius: 50%; background: white; border: 2px solid var(--blue-500); box-shadow: 0 0 0 4px white; }
.timeline-date { font-family: var(--font-mono); font-size: 0.85rem; color: var(--blue-600); font-weight: 700; margin-bottom: 0.5rem; display: block; }
.timeline-content h3 { font-size: 1.25rem; margin-bottom: 1rem; color: var(--gray-900); }
.timeline-badge { display: inline-flex; align-items: center; padding: 0.15rem 0.6rem; border-radius: 99px; font-size: 0.7rem; font-weight: 700; margin-left: 0.5rem; vertical-align: middle; text-transform: uppercase; }
.badge-new { background: #dcfce7; color: #166534; }
.badge-fix { background: #fee2e2; color: #991b1b; }
.badge-improve { background: #dbeafe; color: #1e40af; }