@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
  --font-heading: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-body: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Dark theme (default — site is dark-themed) */
  --background: 220 16% 6%;
  --foreground: 210 20% 95%;
  --card: 220 16% 9%;
  --card-foreground: 210 20% 95%;
  --primary: 239 84% 67%;         /* Lovable signature indigo */
  --primary-foreground: 0 0% 100%;
  --secondary: 220 16% 14%;
  --secondary-foreground: 210 20% 95%;
  --muted: 220 16% 14%;
  --muted-foreground: 215 12% 58%;
  --accent: 239 84% 67%;
  --accent-foreground: 0 0% 100%;
  --success: 152 60% 42%;
  --warning: 38 92% 50%;
  --destructive: 0 72% 51%;
  --border: 220 16% 18%;
  --input: 220 16% 18%;
  --ring: 239 84% 67%;
  --radius: 0.75rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  --shadow-glow: 0 0 20px hsl(var(--primary) / 0.25);

  /* Transitions */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: hsl(var(--foreground));
  background: hsl(var(--background));
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-synthesis: none;
}
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: hsl(var(--foreground));
  margin: 0 0 0.5em;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

/* LAYOUT */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 4rem 0; }
.section-lg { padding: 6rem 0; }

/* NAVBAR */
.navbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem; height: 4rem;
  background: hsl(var(--background) / 0.85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid hsl(var(--border));
  transition: background var(--transition-slow), box-shadow var(--transition-slow);
}
.brand { font-weight: 800; font-size: 1.1rem; letter-spacing: -0.02em; }
.nav-links { display: flex; gap: 0.25rem; flex-wrap: wrap; }
.nav-links a {
  font-size: 0.8125rem; color: hsl(var(--muted-foreground));
  border: 1px solid hsl(var(--border)); border-radius: 999px;
  padding: 0.375rem 0.75rem;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-links a:hover { color: hsl(var(--foreground)); background: hsl(var(--muted)); }

/* HERO */
.hero {
  position: relative; overflow: hidden;
  padding: 5rem 0 4rem; text-align: center;
}
.hero-blob {
  position: absolute; border-radius: 50%;
  filter: blur(80px); pointer-events: none; opacity: 0.15;
}
.hero-blob-1 { width: 600px; height: 600px; top: -200px; left: -100px;
  background: hsl(var(--primary)); }
.hero-blob-2 { width: 500px; height: 500px; top: -150px; right: -100px;
  background: hsl(152 60% 42%); }
.hero-pill {
  display: inline-flex; align-items: center; gap: 0.375rem;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: hsl(var(--primary)); background: hsl(var(--primary) / 0.12);
  border: 1px solid hsl(var(--primary) / 0.25); border-radius: 999px;
  padding: 0.375rem 0.875rem; margin-bottom: 1.25rem;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.5rem); max-width: 800px; margin: 0 auto 1rem; }
.gradient-text {
  background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(239 84% 80%) 50%, hsl(152 60% 60%) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub { font-size: 1.125rem; color: hsl(var(--muted-foreground));
  max-width: 600px; margin: 0 auto 2rem; }
.hero-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 2rem; justify-content: center; flex-wrap: wrap;
  margin-top: 3rem; padding-top: 2rem; border-top: 1px solid hsl(var(--border));
}
.hero-stat-num { font-size: 1.75rem; font-weight: 800; color: hsl(var(--primary)); }
.hero-stat-label { font-size: 0.8125rem; color: hsl(var(--muted-foreground)); }

/* CARDS */
.card {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  transition: box-shadow var(--transition-base), transform var(--transition-base),
              border-color var(--transition-base);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px);
  border-color: hsl(var(--primary) / 0.35); }
.card.glass {
  background: hsl(var(--card) / 0.7);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid hsl(var(--border) / 0.5);
}
.card-grid { display: grid; gap: 1rem; }
.card-grid-2 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.card-grid-3 { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.card-grid-4 { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

/* FEATURE ICON */
.feature-icon {
  display: flex; align-items: center; justify-content: center;
  width: 2.5rem; height: 2.5rem; border-radius: calc(var(--radius) - 2px);
  background: hsl(var(--primary) / 0.12); color: hsl(var(--primary));
  font-size: 1.25rem; flex-shrink: 0; margin-bottom: 0.75rem;
}

/* BADGE / PILL */
.badge {
  display: inline-flex; align-items: center; gap: 0.25rem;
  padding: 0.2rem 0.6rem; font-size: 0.7rem; font-weight: 600;
  border-radius: 999px; border: 1px solid hsl(var(--primary) / 0.25);
  background: hsl(var(--primary) / 0.1); color: hsl(var(--primary));
  letter-spacing: 0.04em; text-transform: uppercase;
}
.badge.success { background: hsl(var(--success) / 0.1); color: hsl(var(--success));
  border-color: hsl(var(--success) / 0.25); }
.badge.warning { background: hsl(var(--warning) / 0.1); color: hsl(var(--warning));
  border-color: hsl(var(--warning) / 0.25); }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.625rem 1.25rem; font-family: var(--font-body);
  font-size: 0.9375rem; font-weight: 600; border-radius: var(--radius);
  border: none; cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background var(--transition-fast), box-shadow var(--transition-fast),
              transform var(--transition-fast);
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: hsl(var(--primary)); color: hsl(var(--primary-foreground)); }
.btn-primary:hover { background: hsl(var(--primary) / 0.88); box-shadow: var(--shadow-glow); }
.btn-secondary { background: hsl(var(--secondary)); color: hsl(var(--foreground));
  border: 1px solid hsl(var(--border)); }
.btn-secondary:hover { background: hsl(var(--muted)); }
.btn-ghost { background: transparent; color: hsl(var(--foreground)); }
.btn-ghost:hover { background: hsl(var(--muted)); }
.btn-amazon { background: #FF9900; color: #111; font-weight: 700; }
.btn-amazon:hover { background: #e68a00; box-shadow: 0 0 20px rgba(255,153,0,0.35); }

/* AFFILIATE CARDS */
.aff-section { margin: 2.5rem 0; }
.aff-disclosure {
  display: flex; align-items: flex-start; gap: 0.75rem;
  background: hsl(var(--warning) / 0.1); border: 1px solid hsl(var(--warning) / 0.3);
  border-radius: var(--radius); padding: 0.875rem 1rem; margin-bottom: 1.25rem;
  font-size: 0.8125rem; color: hsl(var(--muted-foreground)); line-height: 1.5;
}
.aff-disclosure::before { content: "ℹ️"; flex-shrink: 0; margin-top: 0.1rem; }
.aff-card {
  display: flex; align-items: flex-start; gap: 1rem;
  background: hsl(var(--card)); border: 1px solid hsl(var(--border));
  border-radius: var(--radius); padding: 1.25rem;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.aff-card:hover { border-color: hsl(var(--primary) / 0.4); box-shadow: var(--shadow-md); }
.aff-card-icon {
  width: 64px; height: 64px; border-radius: calc(var(--radius) - 2px);
  background: hsl(var(--primary) / 0.1); border: 1px solid hsl(var(--primary) / 0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; flex-shrink: 0;
}
.aff-card-body { flex: 1; min-width: 0; }
.aff-card-title { font-size: 1rem; font-weight: 700; margin-bottom: 0.25rem; }
.aff-card-stars { font-size: 0.8125rem; color: #f59e0b; margin-bottom: 0.25rem; }
.aff-card-note { font-size: 0.8125rem; color: hsl(var(--muted-foreground)); margin-bottom: 0.75rem; }
.aff-card-price { font-size: 0.875rem; font-weight: 600; color: hsl(var(--success)); margin-bottom: 0.75rem; }
.aff-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1rem; }

/* SAAS AFFILIATE CARD */
.saas-card {
  background: hsl(var(--card)); border: 1px solid hsl(var(--border));
  border-radius: var(--radius); padding: 1.5rem;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}
.saas-card:hover { border-color: hsl(var(--primary) / 0.4); box-shadow: var(--shadow-md); }
.saas-card-header { display: flex; align-items: center; gap: 0.875rem; margin-bottom: 0.875rem; }
.saas-logo { font-size: 2rem; }
.saas-name { font-size: 1.0625rem; font-weight: 700; }
.saas-stars { font-size: 0.8125rem; color: #f59e0b; }
.saas-features { list-style: none; padding: 0; margin: 0 0 1rem; display: flex; flex-direction: column; gap: 0.3rem; }
.saas-features li { font-size: 0.8125rem; color: hsl(var(--muted-foreground)); }
.saas-features li::before { content: "✓ "; color: hsl(var(--success)); font-weight: 700; }

/* INPUTS (calculators) */
.input {
  width: 100%; padding: 0.625rem 0.875rem;
  font-family: var(--font-body); font-size: 0.9375rem;
  color: hsl(var(--foreground)); background: hsl(var(--background));
  border: 1px solid hsl(var(--input)); border-radius: var(--radius);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input:focus { border-color: hsl(var(--ring)); box-shadow: 0 0 0 3px hsl(var(--ring) / 0.2); }
label { font-size: 0.875rem; font-weight: 500; color: hsl(var(--muted-foreground));
  display: block; margin-bottom: 0.375rem; }
.form-group { margin-bottom: 1rem; }
.result-box {
  background: hsl(var(--primary) / 0.08); border: 1px solid hsl(var(--primary) / 0.25);
  border-radius: var(--radius); padding: 1.25rem; margin-top: 1.25rem; text-align: center;
}
.result-value { font-size: 2rem; font-weight: 800; color: hsl(var(--primary)); }
.result-label { font-size: 0.875rem; color: hsl(var(--muted-foreground)); margin-top: 0.25rem; }

/* SECTION HEADERS */
.section-header { margin-bottom: 2rem; }
.section-header h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); margin-bottom: 0.5rem; }
.section-header p { color: hsl(var(--muted-foreground)); max-width: 600px; }

/* DIVIDER */
hr { border: none; border-top: 1px solid hsl(var(--border)); margin: 2.5rem 0; }

/* TRUST FOOTER */
.trust-footer {
  border-top: 1px solid hsl(var(--border)); padding: 2.5rem 0 1.5rem;
  display: flex; gap: 1rem 2rem; flex-wrap: wrap; align-items: center;
  font-size: 0.8125rem; color: hsl(var(--muted-foreground));
}
.trust-footer a { color: hsl(var(--muted-foreground)); }
.trust-footer a:hover { color: hsl(var(--foreground)); }

/* ANIMATIONS */
@keyframes fade-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes pulse-glow { 0%,100% { box-shadow: 0 0 0 0 hsl(var(--primary)/0); }
  50% { box-shadow: 0 0 24px 4px hsl(var(--primary)/0.2); } }
.animate-in { animation: fade-in 0.4s var(--ease) both; }
.pulse-glow { animation: pulse-glow 2s ease infinite; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .navbar { padding: 0 1rem; }
  .hero { padding: 3rem 0 2rem; }
  .hero-stats { gap: 1.25rem; }
  .card-grid-3, .card-grid-4 { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
  .aff-grid { grid-template-columns: 1fr; }
}