/* ── Design Tokens ────────────────────────────────────────────────────────── */
:root {
  /* Color system */
  --color-bg:          #0F172A;
  --color-surface:     #1E293B;
  --color-surface-alt: #272F42;
  --color-secondary:   #334155;
  --color-border:      #475569;
  --color-border-lo:   #334155;
  --color-fg:          #F8FAFC;
  --color-fg-muted:    #94A3B8;
  --color-fg-dim:      #64748B;
  --color-accent:      #22C55E;
  --color-accent-lo:   rgba(34, 197, 94, 0.10);
  --color-accent-mid:  rgba(34, 197, 94, 0.20);
  --color-accent-glow: rgba(34, 197, 94, 0.08);
  --color-error:       #EF4444;
  --color-error-lo:    rgba(239, 68, 68, 0.10);
  --color-warn:        #F59E0B;
  --color-warn-lo:     rgba(245, 158, 11, 0.10);

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

  /* Radius */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-xl:  20px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   200ms ease;
  --transition-slow:   300ms ease;

  /* Layout */
  --container-max: 72rem;
  --container-pad: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-fg);
  line-height: 1.6;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; }

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { text-decoration: underline; }
a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── Skip Link ────────────────────────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -999px;
  left: 1rem;
  background: var(--color-accent);
  color: #000;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.875rem;
  z-index: 9999;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: 0.75rem; }

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

section { padding: 5rem 0; }

/* ── Nav ─────────────────────────────────────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-lo);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  height: 60px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-fg);
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-logo:hover { text-decoration: none; color: var(--color-fg); }

.nav-logo-mark {
  width: 28px;
  height: 28px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-logo-mark svg {
  width: 16px;
  height: 16px;
}

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

.nav-links a {
  color: var(--color-fg-muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast);
  cursor: pointer;
  min-height: 44px;
  display: flex;
  align-items: center;
}
.nav-links a:hover {
  color: var(--color-fg);
  background: rgba(255,255,255,0.05);
  text-decoration: none;
}

.nav-cta {
  background: var(--color-accent) !important;
  color: #000 !important;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-md) !important;
  font-weight: 600 !important;
  font-size: 0.875rem !important;
  white-space: nowrap;
  margin-left: 0.5rem;
  transition: opacity var(--transition-fast) !important;
  min-height: 44px;
}
.nav-cta:hover {
  opacity: 0.88;
  background: var(--color-accent) !important;
  color: #000 !important;
  text-decoration: none !important;
}

/* Mobile nav toggle */
.nav-menu-btn {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--color-border-lo);
  color: var(--color-fg-muted);
  border-radius: var(--radius-sm);
  padding: 0.375rem;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.nav-menu-btn:hover { color: var(--color-fg); border-color: var(--color-border); }

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-accent);
  color: #000;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  border: none;
  min-height: 44px;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}
.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  color: #000;
  text-decoration: none;
}
.btn-primary:active { transform: translateY(0); opacity: 0.8; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--color-fg);
  border: 1px solid var(--color-border);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9375rem;
  cursor: pointer;
  min-height: 44px;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

/* ── Section Common ──────────────────────────────────────────────────────── */
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.section-sub {
  font-size: 1.0625rem;
  color: var(--color-fg-muted);
  line-height: 1.7;
  max-width: 44rem;
  margin-bottom: 2.5rem;
}

/* ── Hero ────────────────────────────────────────────────────────────────── */
#hero {
  padding: 6rem 0 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -10rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60rem;
  height: 30rem;
  background: radial-gradient(ellipse at center, rgba(34,197,94,0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

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

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  border: 1px solid var(--color-accent-mid);
  background: var(--color-accent-lo);
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.hero-h1 {
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 52rem;
  margin: 0 auto 1.25rem;
}

.hero-h1 em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-sub {
  font-size: 1.125rem;
  color: var(--color-fg-muted);
  max-width: 40rem;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.hero-cta-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.hero-note {
  font-size: 0.8125rem;
  color: var(--color-fg-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-note-sep {
  width: 3px;
  height: 3px;
  background: var(--color-fg-dim);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── Demo Box ────────────────────────────────────────────────────────────── */
.demo-box {
  max-width: 38rem;
  margin: 3.5rem auto 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border-lo);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(34,197,94,0.06), 0 24px 48px rgba(0,0,0,0.4);
}

.demo-box-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--color-border-lo);
  background: var(--color-surface-alt);
}

.demo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.demo-dot.r { background: #FF5F57; }
.demo-dot.y { background: #FEBC2E; }
.demo-dot.g { background: #28C840; }

.demo-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-fg-dim);
  margin-left: 0.375rem;
  text-transform: uppercase;
}

.demo-body { padding: 1.25rem; }

.demo-input-row {
  display: flex;
  gap: 0.625rem;
}

.demo-input {
  flex: 1;
  background: var(--color-bg);
  border: 1px solid var(--color-border-lo);
  border-radius: var(--radius-md);
  padding: 0.6875rem 0.875rem;
  color: var(--color-fg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  outline: none;
  min-height: 44px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.demo-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-lo);
}
.demo-input::placeholder { color: var(--color-fg-dim); }

.demo-btn {
  background: var(--color-accent);
  color: #000;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.6875rem 1.25rem;
  font-weight: 600;
  font-size: 0.875rem;
  font-family: var(--font-sans);
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
  transition: opacity var(--transition-fast);
}
.demo-btn:hover { opacity: 0.88; }
.demo-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.demo-result { margin-top: 0.875rem; display: none; }
.demo-result.visible { display: block; }

.demo-result pre {
  background: var(--color-bg);
  border: 1px solid var(--color-border-lo);
  border-radius: var(--radius-md);
  padding: 0.875rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.75;
  color: var(--color-fg);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.demo-result .err-msg {
  color: var(--color-error);
  font-size: 0.8125rem;
  padding: 0.625rem 0.875rem;
  background: var(--color-error-lo);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-md);
}

.demo-limit-note {
  margin-top: 0.625rem;
  font-size: 0.75rem;
  color: var(--color-fg-dim);
  text-align: right;
}
.demo-limit-note a { color: var(--color-accent); }

/* ── Code Section ────────────────────────────────────────────────────────── */
#code {
  background: var(--color-surface-alt);
  border-top: 1px solid var(--color-border-lo);
  border-bottom: 1px solid var(--color-border-lo);
}

.code-copy-wrapper {
  position: relative;
}

.code-copy-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: var(--color-secondary);
  border: 1px solid var(--color-border);
  color: var(--color-fg-muted);
  border-radius: var(--radius-sm);
  padding: 0.375rem 0.625rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.375rem;
  transition: color var(--transition-fast), background var(--transition-fast);
  min-height: 32px;
}
.code-copy-btn:hover {
  color: var(--color-fg);
  background: var(--color-border-lo);
}
.code-copy-btn.copied {
  color: var(--color-accent);
  border-color: var(--color-accent-mid);
}

.tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 0;
}

.tab-btn {
  background: none;
  border: 1px solid transparent;
  border-bottom: none;
  cursor: pointer;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-fg-muted);
  transition: color var(--transition-fast), background var(--transition-fast);
  min-height: 44px;
}
.tab-btn.active {
  color: var(--color-fg);
  background: var(--color-surface);
  border-color: var(--color-border-lo);
}
.tab-btn:hover:not(.active) {
  color: var(--color-fg);
  background: rgba(255,255,255,0.03);
}

.tab-panel {
  display: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border-lo);
  border-radius: 0 var(--radius-md) var(--radius-md) var(--radius-md);
  padding: 1.25rem 1.5rem;
  position: relative;
}
.tab-panel.active { display: block; }

.tab-panel pre {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--color-fg);
  overflow-x: auto;
  white-space: pre;
  padding-right: 5rem;
}

/* Syntax colors */
.kw  { color: #C792EA; }
.str { color: #C3E88D; }
.cm  { color: #4A5568; }
.fn  { color: #82AAFF; }
.num { color: #F78C6C; }
.key { color: #89DDFF; }

/* ── Features ────────────────────────────────────────────────────────────── */
#features { background: var(--color-bg); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-lo);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  transition: border-color var(--transition-base), transform var(--transition-base);
  cursor: default;
}
.feature-card:hover {
  border-color: var(--color-border);
  transform: translateY(-2px);
}

.feature-icon-wrap {
  width: 44px;
  height: 44px;
  background: var(--color-accent-lo);
  border: 1px solid var(--color-accent-mid);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.125rem;
}

.feature-icon-wrap svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  stroke: currentColor;
}

.feature-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--color-fg-muted);
  line-height: 1.65;
}

.feature-desc code {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--color-accent-lo);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
}

/* ── Tools Section ───────────────────────────────────────────────────────── */
#tools {
  background: var(--color-surface-alt);
  border-top: 1px solid var(--color-border-lo);
  border-bottom: 1px solid var(--color-border-lo);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
  gap: 1.25rem;
}

.tool-card-link {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border-lo);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-decoration: none;
  color: var(--color-fg);
  transition: border-color var(--transition-base), transform var(--transition-base);
  cursor: pointer;
}
.tool-card-link:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  text-decoration: none;
  color: var(--color-fg);
}

.tool-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.875rem;
}

.tool-card-icon {
  width: 40px;
  height: 40px;
  background: var(--color-accent-lo);
  border: 1px solid var(--color-accent-mid);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.tool-card-icon svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  stroke: currentColor;
}

.tool-card-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-lo);
  border: 1px solid var(--color-accent-mid);
  padding: 0.1875rem 0.5rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tool-card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.375rem;
  letter-spacing: -0.01em;
}

.tool-card-desc {
  font-size: 0.875rem;
  color: var(--color-fg-muted);
  line-height: 1.6;
}

.tool-card-arrow {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-accent);
  transition: gap var(--transition-fast);
}
.tool-card-link:hover .tool-card-arrow { gap: 0.625rem; }
.tool-card-arrow svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  flex-shrink: 0;
}

/* ── Pricing ─────────────────────────────────────────────────────────────── */
#pricing {
  background: var(--color-bg);
}

.pricing-toggle-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.pricing-toggle-label {
  font-size: 0.875rem;
  color: var(--color-fg-muted);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 1.25rem;
  align-items: start;
}

.price-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-lo);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  position: relative;
  transition: border-color var(--transition-base);
}

.price-card.featured {
  border-color: var(--color-accent);
  background: linear-gradient(145deg, rgba(34,197,94,0.05) 0%, var(--color-surface) 50%);
  box-shadow: 0 0 0 1px rgba(34,197,94,0.1), 0 16px 40px rgba(0,0,0,0.3);
}

.price-badge {
  position: absolute;
  top: -0.6875rem;
  left: 1.5rem;
  background: var(--color-accent);
  color: #000;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.1875rem 0.625rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.price-tier {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-fg-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.price-amount {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-bottom: 0.25rem;
}
.price-amount span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-fg-muted);
  letter-spacing: 0;
}

.price-credits {
  font-size: 0.875rem;
  color: var(--color-fg-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.price-divider {
  height: 1px;
  background: var(--color-border-lo);
  margin-bottom: 1.25rem;
}

.price-list {
  list-style: none;
  font-size: 0.875rem;
  color: var(--color-fg-muted);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.price-list li {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.price-list-check {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  stroke: currentColor;
  flex-shrink: 0;
}

.price-cta {
  display: block;
  text-align: center;
  padding: 0.6875rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: opacity var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  min-height: 44px;
  cursor: pointer;
}
.price-cta:hover { text-decoration: none; }

.price-cta.primary {
  background: var(--color-accent);
  color: #000;
}
.price-cta.primary:hover { opacity: 0.88; }

.price-cta.secondary {
  background: transparent;
  color: var(--color-fg);
  border: 1px solid var(--color-border);
}
.price-cta.secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Compare row */
.compare-row {
  margin-top: 3rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border-lo);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}

.vs-badge {
  background: var(--color-warn-lo);
  color: var(--color-warn);
  border: 1px solid rgba(245, 158, 11, 0.25);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.1875rem 0.625rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.compare-text {
  font-size: 0.875rem;
  color: var(--color-fg-muted);
  line-height: 1.6;
}
.compare-text strong { color: var(--color-fg); }

/* ── CTA Section ─────────────────────────────────────────────────────────── */
#cta {
  background: var(--color-surface-alt);
  border-top: 1px solid var(--color-border-lo);
  text-align: center;
  padding: 5rem 0;
}

.cta-h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.cta-sub {
  font-size: 1.0625rem;
  color: var(--color-fg-muted);
  margin-bottom: 2rem;
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.cta-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--color-border-lo);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-fg);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-logo:hover { text-decoration: none; color: var(--color-fg); }

.footer-logo-mark {
  width: 22px;
  height: 22px;
  background: var(--color-accent);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-logo-mark svg { width: 12px; height: 12px; }

.footer-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  align-items: center;
}
.footer-links a {
  font-size: 0.8125rem;
  color: var(--color-fg-muted);
  transition: color var(--transition-fast);
}
.footer-links a:hover {
  color: var(--color-fg);
  text-decoration: none;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--color-fg-dim);
}

/* ── Tool Pages ──────────────────────────────────────────────────────────── */
.tool-page-wrap {
  max-width: 40rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.tool-back {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--color-fg-muted);
  margin-bottom: 2rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.tool-back:hover {
  color: var(--color-accent);
  text-decoration: none;
}
.tool-back svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  flex-shrink: 0;
}

.tool-h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.tool-sub {
  font-size: 1rem;
  color: var(--color-fg-muted);
  margin-bottom: 2rem;
  line-height: 1.65;
}

.tool-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-lo);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
}

.tool-secondary-btn {
  margin-top: 0.625rem;
  background: none;
  border: 1px solid var(--color-border-lo);
  color: var(--color-fg-muted);
  border-radius: var(--radius-md);
  padding: 0.4375rem 0.875rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  min-height: 44px;
}
.tool-secondary-btn:hover {
  color: var(--color-fg);
  border-color: var(--color-border);
}

.tool-limit-note {
  margin-top: 1.25rem;
  font-size: 0.8125rem;
  color: var(--color-fg-dim);
  text-align: center;
  line-height: 1.65;
}

.tool-signup-cta {
  display: inline-block;
  margin-top: 1.25rem;
  background: var(--color-accent);
  color: #000;
  padding: 0.6875rem 1.375rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.875rem;
  min-height: 44px;
  line-height: 1;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: opacity var(--transition-fast);
}
.tool-signup-cta:hover { opacity: 0.88; text-decoration: none; color: #000; }

.result-field {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--color-border-lo);
  font-size: 0.875rem;
  gap: 1rem;
}
.result-field:last-child { border-bottom: none; }
.result-field .rf-key { color: var(--color-fg-muted); flex-shrink: 0; }
.result-field .rf-val {
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-align: right;
}
.rf-val.good  { color: var(--color-accent); }
.rf-val.bad   { color: var(--color-error); }
.rf-val.warn  { color: var(--color-warn); }

.result-inner {
  background: var(--color-bg);
  border: 1px solid var(--color-border-lo);
  border-radius: var(--radius-md);
  padding: 0.25rem 1rem;
  margin-top: 1rem;
}

/* ── Reduced Motion ──────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .btn-primary:hover,
  .feature-card:hover,
  .tool-card-link:hover { transform: none; }
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 767px) {
  section { padding: 3.5rem 0; }
  #hero { padding: 4rem 0 3.5rem; }

  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; }
  .nav-menu-btn { display: flex; }

  .hero-h1 br { display: none; }

  .section-sub { margin-bottom: 2rem; }

  .demo-input-row { flex-direction: column; }
  .demo-btn { width: 100%; }

  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }

  .compare-row { flex-direction: column; }

  .footer-inner { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
  .footer-links { flex-direction: column; gap: 0.75rem; }

  .cta-row { flex-direction: column; align-items: center; }

  .tool-page-wrap { padding: 2rem 1rem 4rem; }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .features-grid { grid-template-columns: repeat(4, 1fr); }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1440px) {
  :root { --container-pad: 2rem; }
}