/* ===========================
   Indage — Design System Tokens
   (Light + Dark)
   =========================== */
:root {
  /* Brand / Core */
  --background: #ffffff;
  --foreground: #09090b;           /* primary text */
  --primary: #18181b;              /* primary surfaces (btns, chips) */
  --secondary: #f4f4f5;            /* subtle surfaces / sections */

  /* Accents */
  --accent-purple: #7c3aed;        /* secondary brand accent */
  --accent-blue:   #2563eb;        /* links, interactive, info */
  --accent-orange: #f97316;        /* hero highlight words / CTAs */

  /* Semantic */
  --success: #059669;
  --warning: #eab308;
  --error:   #dc2626;

  /* Neutrals */
  --muted-text: #71717a;           /* secondary text */
  --border:     #e4e4e7;           /* card borders / dividers */
  --elevated:   #f4f4f5;           /* raised cards */
  --subtle:     #fafafa;           /* light section bg */

  /* Effects / Misc */
  --ring: #3b82f6;                 /* focus ring */
  --radius: 0.5rem;                /* 8px */
  --container-max: 1400px;

  /* Typography */
  --font-base: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, Ubuntu, sans-serif;
  --fs-hero: clamp(40px, 6vw, 56px);
  --fs-h2:   clamp(28px, 4vw, 40px);
  --fs-h3:   28px;
  --fs-body: 16px;
  --fs-meta: 14px;
  --lh-tight: 1.2;
  --lh-base:  1.6;

  /* Spacing (keeping for compatibility) */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Legacy compatibility */
  --container-max-width: 1400px;
  --container-padding: 2rem;
}

.dark {
  --background: #18181b;
  --foreground: #fafafa;
  --primary:   #fafafa;
  --secondary: #27272a;

  --accent-purple: #a78bfa;
  --accent-blue:   #60a5fa;
  --accent-orange: #f97316;        /* keep bright for contrast */

  --muted-text: #a1a1aa;
  --border:     #27272a;
  --elevated:   #27272a;
  --subtle:     #18181b;

  --ring: #3b82f6;
}

/* ===========================
   Global Base & Layout
   =========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-base);
  font-size: var(--fs-body);
  line-height: var(--lh-base);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

* {
  box-sizing: border-box;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5, h6, p {
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* ===========================
   Typography Utilities
   =========================== */
.h1 {
  font-size: var(--fs-hero);
  line-height: var(--lh-tight);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.h2 {
  font-size: var(--fs-h2);
  line-height: var(--lh-tight);
  font-weight: 600;
}

.h3 {
  font-size: var(--fs-h3);
  line-height: 1.35;
  font-weight: 600;
}

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

/* Legacy h1-h6 support */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--foreground);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--fs-hero);
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--fs-h2);
  font-weight: 700;
}

h3 {
  font-size: var(--fs-h3);
  font-weight: 600;
}

h4 {
  font-size: 1.5rem;
  font-weight: 600;
}

h5 {
  font-size: 1.25rem;
  font-weight: 600;
}

h6 {
  font-size: 1.125rem;
  font-weight: 600;
}

p {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
  color: var(--muted-text);
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: var(--accent-orange);
}

/* ===========================
   Color Utilities
   =========================== */
.text-primary { color: var(--foreground); }
.text-muted   { color: var(--muted-text); }
.text-link    { color: var(--accent-blue); }
.text-orange  { color: var(--accent-orange); }
.text-purple  { color: var(--accent-purple); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error   { color: var(--error); }

.bg-primary   { background: var(--primary); }
.bg-secondary { background: var(--secondary); }
.bg-subtle    { background: var(--subtle); }
.bg-elevated  { background: var(--elevated); }
.bg-orange    { background: var(--accent-orange); }
.bg-blue      { background: var(--accent-blue); }
.bg-purple    { background: var(--accent-purple); }

.border { border: 1px solid var(--border); }
.border-t { border-top: 1px solid var(--border); }
.border-b { border-bottom: 1px solid var(--border); }
.border-l { border-left: 1px solid var(--border); }
.border-r { border-right: 1px solid var(--border); }

.ring:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

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

.section {
  padding: var(--spacing-3xl) 0;
}

.section-sm {
  padding: var(--spacing-2xl) 0;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-sm) 0;
}

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

.navbar-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--foreground);
  text-decoration: none;
}

.navbar-logo .logo-slash {
  color: var(--accent-orange);
  transition: color 0.3s ease;
}

.navbar-logo:hover .logo-slash {
  color: var(--foreground);
}

.navbar-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.navbar-link {
  color: var(--muted-text);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.navbar-link:hover {
  color: var(--foreground);
}

.navbar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--foreground);
}

/* ===========================
   Buttons
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn:hover {
  opacity: 0.9;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: rgba(24,24,27,.9);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--foreground);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: #e4e4e7;
}

.btn-accent {
  background: var(--accent-blue);
  color: #fff;
}

.btn-accent:hover {
  filter: brightness(0.95);
}

.btn-orange {
  background: var(--accent-orange);
  color: #fff;
}

.btn-orange:hover {
  filter: brightness(0.95);
}

.btn-white {
  background: #ffffff;
  color: var(--primary);
}

.btn-white:hover {
  background: var(--secondary);
}

.btn-outline-white {
  background: transparent;
  border: 2px solid #ffffff;
  color: #ffffff;
}

.btn-outline-white:hover {
  background: #ffffff;
  color: var(--primary);
}

.btn-lg {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 1rem;
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: 0.813rem;
}

/* ===========================
   Hero Button Animation (Indage Style)
   =========================== */
.btn-hero {
  position: relative;
  overflow: hidden;
  padding-right: 2.5rem;
}

.btn-hero-arrow {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  overflow: hidden;
}

.btn-hero-slider {
  display: flex;
  gap: 16px;
  transform: translateX(-100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-hero:hover .btn-hero-slider {
  transform: translateX(0);
}

.btn-hero-arrow svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--muted-text);
  margin-bottom: var(--spacing-xl);
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===========================
   Cards & Surfaces
   =========================== */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
  transition: all 0.3s;
}

.dark .card {
  background: #111214;
}

.card:hover {
  border-color: var(--accent-orange);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.card-header {
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--foreground);
}

.card-description {
  font-size: var(--fs-meta);
  color: var(--muted-text);
}

/* ============================================
   GRID LAYOUTS
   ============================================ */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* ============================================
   FEATURES
   ============================================ */
.feature-icon {
  width: 3rem;
  height: 3rem;
  background: var(--secondary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-orange);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.feature-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--foreground);
}

.feature-description {
  font-size: 0.875rem;
  color: var(--muted-text);
  line-height: 1.6;
}

/* ============================================
   PRICING
   ============================================ */
.pricing-card {
  background: var(--background);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  position: relative;
  transition: all 0.3s;
}

.pricing-card:hover {
  border-color: var(--accent-orange);
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
  border-color: var(--accent-orange);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--accent-orange);
  color: #ffffff;
  padding: 0.375rem 0.875rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.pricing-name {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
  color: var(--foreground);
}

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

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-xl);
}

.pricing-features li {
  padding: 0.75rem 0;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pricing-features li::before {
  content: "✓";
  color: var(--success);
  font-weight: 700;
  font-size: 1rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--secondary);
  border-top: 1px solid var(--border);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer .logo-slash {
  color: var(--accent-orange);
  transition: color 0.3s ease;
}

.footer h3:hover .logo-slash {
  color: var(--foreground);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-column h5 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--foreground);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--muted-text);
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent-orange);
}

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

.footer-copyright {
  font-size: 0.875rem;
  color: var(--muted-text);
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center {
  text-align: center;
}

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

.highlight-orange {
  color: var(--accent-orange);
}

.highlight-blue {
  color: var(--accent-blue);
}

.highlight-purple {
  color: var(--accent-purple);
}

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .grid-cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-cols-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .navbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--background);
    flex-direction: column;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    gap: var(--spacing-md);
  }

  .navbar-menu.active {
    display: flex;
  }

  .navbar-menu .btn {
    width: 100%;
    justify-content: center;
  }

  .navbar-toggle {
    display: block;
  }

  .hero {
    padding: var(--spacing-2xl) 0;
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  /* Improve touch targets */
  a, button, .btn {
    min-height: 44px;
    min-width: 44px;
  }

  /* Better card spacing on mobile */
  .card {
    padding: var(--spacing-lg);
  }

  /* Pricing cards stack properly */
  .pricing-card {
    margin-bottom: var(--spacing-lg);
  }

  /* Hero stats grid mobile */
  .hero .grid-cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
  }

  /* Footer grid mobile */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
    gap: var(--spacing-lg);
  }

  /* Reduce grid gap on mobile for tighter spacing */
  .grid {
    gap: var(--spacing-md);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-sm);
  }

  .btn {
    width: 100%;
    display: flex;
  }

  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .hero-buttons .btn {
    width: 100%;
  }

  /* Adjust margins for mobile */
  .mt-xl {
    margin-top: var(--spacing-lg);
  }

  .mb-lg {
    margin-bottom: var(--spacing-md);
  }

  /* Testimonial cards spacing */
  .card:not(:last-child) {
    margin-bottom: var(--spacing-md);
  }

  /* Feature icons spacing */
  .feature-icon {
    margin-bottom: var(--spacing-sm);
  }

  /* Section header spacing on mobile */
  .section-header {
    margin-bottom: var(--spacing-lg);
  }

  /* Pricing calculator mobile adjustments */
  .pricing-calculator {
    padding: var(--spacing-lg) !important;
  }

  .calc-result {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center !important;
  }

  .calc-result > div {
    text-align: center !important;
  }

  /* Slider container mobile */
  .slider-container {
    margin: var(--spacing-md) 0 !important;
  }

  /* Slider mobile styling */
  .slider {
    width: 100%;
  }
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  text-align: center;
}

.section-header h2 {
  margin-bottom: var(--spacing-md);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--muted-text);
}

/* ============================================
   BADGE
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-orange {
  background: rgba(249, 115, 22, 0.1);
  color: var(--accent-orange);
}

.badge-blue {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent-blue);
}

.badge-purple {
  background: rgba(124, 58, 237, 0.1);
  color: var(--accent-purple);
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--primary), #27272a);
  color: #ffffff;
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-xl);
  border-radius: var(--radius);
  margin: var(--spacing-2xl) 0;
}

.cta-section h2 {
  color: #ffffff;
  margin-bottom: var(--spacing-md);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn-white {
  background: #ffffff;
  color: var(--primary);
}

.btn-white:hover {
  background: var(--secondary);
}

.btn-outline-white {
  background: transparent;
  border: 2px solid #ffffff;
  color: #ffffff;
}

.btn-outline-white:hover {
  background: #ffffff;
  color: var(--primary);
}