:root {
  /* Near-black / charcoal scale */
  --bg-900: #05070A;
  --bg-800: #0A0E13;
  --bg-700: #0F151B;
  --bg-600: #161E26;
  --bg-500: #22303C;
  --bg-400: #334552;
  --bg-300: #4A5D6B;
  --bg-200: #7C8E9B;
  --bg-100: #A9B7C1;
  --bg-50:  #D5DEE5;

  /* Mint scale (primary accent) */
  --mint-700: #047857;
  --mint-600: #059669;
  --mint-500: #10B981;
  --mint-400: #34D399;
  --mint-300: #6EE7B7;
  --mint-200: #A7F3D0;
  --mint-100: #B5F9D4;

  /* Cyan scale (secondary accent) */
  --cyan-700: #0E7490;
  --cyan-600: #0891B2;
  --cyan-500: #06B6D4;
  --cyan-400: #22D3EE;
  --cyan-300: #67E8F9;
  --cyan-200: #A5F3FC;
  --cyan-100: #C7F6F3;

  /* Text */
  --text-100: #F6FBF8;
  --text-200: #D5DEE5;
  --text-300: #A9B7C1;
  --text-400: #7C8E9B;

  /* Semantic */
  --accent: #34D399;
  --accent-hover: #6EE7B7;
  --accent-soft: rgba(52, 211, 153, 0.12);
  --accent-2: #22D3EE;
  --accent-2-soft: rgba(34, 211, 238, 0.12);
  --success: #34D399;
  --danger: #F87171;

  /* Surfaces */
  --card-bg: #0F151B;
  --card-border: #22303C;
  --card-hover-border: #34D399;
  --section-bg: #0A0E13;
  --section-alt-bg: #05070A;

  /* Effects */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.5);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);
  --shadow-mint: 0 8px 30px rgba(52, 211, 153, 0.22);
  --shadow-cyan: 0 8px 30px rgba(34, 211, 238, 0.18);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;

  /* Layout */
  --container: 1200px;
  --header-h: 72px;
  --font-display: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.035);
  --glass-bg-strong: rgba(255, 255, 255, 0.06);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-900);
  color: var(--text-200);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ------------------------------------------------------------------ */
/* Typography                                                          */
/* ------------------------------------------------------------------ */
h1, h2, h3, h4 {
  color: var(--text-100);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.ch-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mint-300);
  background: var(--accent-soft);
  border: 1px solid rgba(52, 211, 153, 0.3);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

/* ------------------------------------------------------------------ */
/* Buttons                                                             */
/* ------------------------------------------------------------------ */
.ch-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.ch-btn-primary {
  background: linear-gradient(135deg, var(--mint-400), var(--mint-500));
  color: #04120C;
  box-shadow: var(--shadow-mint);
}
.ch-btn-primary:hover {
  background: linear-gradient(135deg, var(--mint-300), var(--mint-400));
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(52, 211, 153, 0.34);
}

.ch-btn-ghost {
  background: transparent;
  color: var(--text-200);
  border-color: var(--bg-400);
}
.ch-btn-ghost:hover {
  border-color: var(--mint-400);
  color: var(--mint-300);
  background: var(--accent-soft);
}

.ch-btn-lg { padding: 16px 32px; font-size: 16px; }

/* ------------------------------------------------------------------ */
/* Header                                                              */
/* ------------------------------------------------------------------ */
.ch-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 7, 10, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--bg-500);
  height: var(--header-h);
  display: flex;
  align-items: center;
}

.ch-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.ch-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text-100);
}
.ch-logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--mint-400), var(--cyan-500));
  color: #04120C;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  box-shadow: var(--shadow-mint);
}
.ch-logo-name b { color: var(--mint-300); }
.ch-logo-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--mint-300);
  background: var(--accent-soft);
  border: 1px solid rgba(52, 211, 153, 0.3);
  padding: 3px 8px;
  border-radius: 100px;
  margin-left: 4px;
}

.ch-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.ch-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-300);
  transition: color 0.2s ease;
  position: relative;
}
.ch-nav a:hover { color: var(--mint-300); }
.ch-nav a::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--mint-400);
  transition: width 0.25s ease;
}
.ch-nav a:hover::after { width: 100%; }

.ch-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ch-burger {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-700);
  border: 1px solid var(--bg-500);
  color: var(--text-200);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ------------------------------------------------------------------ */
/* Hero                                                                */
/* ------------------------------------------------------------------ */
.ch-hero {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 70% 0%, rgba(52, 211, 153, 0.12), transparent 60%),
    radial-gradient(ellipse 60% 50% at 20% 20%, rgba(34, 211, 238, 0.12), transparent 60%),
    var(--bg-900);
}

.ch-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--bg-500) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-500) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.16;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black, transparent 75%);
}

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

.ch-hero-title {
  font-size: clamp(40px, 6vw, 68px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.ch-hero-title .ch-accent {
  background: linear-gradient(120deg, var(--mint-300), var(--mint-400) 50%, var(--cyan-400));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.ch-hero-desc {
  font-size: 19px;
  color: var(--text-300);
  max-width: 640px;
  margin-bottom: 36px;
}

.ch-hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Trust badges */
.ch-trust {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.ch-trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ch-trust-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  border: 1px solid rgba(52, 211, 153, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--mint-300);
}
.ch-trust-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-100);
}
.ch-trust-sub {
  font-size: 13px;
  color: var(--text-400);
}

/* Terminal */
.ch-terminal {
  max-width: 720px;
  border-radius: var(--radius-lg);
  background: #04060A;
  border: 1px solid var(--bg-500);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.ch-terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: #0A0F15;
  border-bottom: 1px solid var(--bg-500);
}
.ch-terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.ch-terminal-title {
  margin-left: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-400);
}
.ch-terminal-body {
  padding: 22px 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-200);
}
.ch-terminal-body .t-prompt { color: var(--mint-300); font-weight: 700; }
.ch-terminal-body .t-cmd { color: var(--text-100); }
.ch-terminal-body .t-dim { color: var(--text-400); }
.ch-terminal-body .t-ok { color: var(--success); }

/* ------------------------------------------------------------------ */
/* Page hero (inner pages)                                             */
/* ------------------------------------------------------------------ */
.ch-page-hero {
  position: relative;
  padding: 80px 0 64px;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 80% at 50% 0%, rgba(52, 211, 153, 0.10), transparent 60%),
    radial-gradient(ellipse 50% 60% at 80% 30%, rgba(34, 211, 238, 0.10), transparent 60%),
    var(--bg-900);
  border-bottom: 1px solid var(--bg-500);
}
.ch-page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--bg-500) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-500) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.14;
  mask-image: radial-gradient(ellipse 60% 80% at 50% 20%, black, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 80% at 50% 20%, black, transparent 70%);
}
.ch-page-hero .container { position: relative; z-index: 1; }
.ch-page-title {
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.ch-page-desc {
  font-size: 18px;
  color: var(--text-300);
  max-width: 680px;
  margin: 0 auto 32px;
}
.ch-page-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ------------------------------------------------------------------ */
/* Sections                                                            */
/* ------------------------------------------------------------------ */
.ch-section {
  padding: 88px 0;
  background: var(--section-bg);
}
.ch-section-alt {
  background: var(--section-alt-bg);
}
.ch-section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.ch-h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.ch-lead {
  font-size: 17px;
  color: var(--text-300);
}

/* ------------------------------------------------------------------ */
/* Cards                                                               */
/* ------------------------------------------------------------------ */
.ch-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  transition: all 0.25s ease;
}
.ch-card:hover {
  border-color: var(--card-hover-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* Features */
.ch-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ch-feature {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.ch-feature-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-100);
}
.ch-feature-desc {
  font-size: 15px;
  color: var(--text-300);
}

/* Categories / services */
.ch-categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.ch-category {
  padding: 32px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.ch-category-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--accent-soft);
  border: 1px solid rgba(52, 211, 153, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--mint-300);
}
.ch-category-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-100);
}
.ch-category-desc {
  font-size: 14px;
  color: var(--text-300);
}
.ch-category-link {
  margin-top: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--mint-300);
}
.ch-category-link:hover { color: var(--mint-200); }

/* Steps */
.ch-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ch-step {
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
}
.ch-step-num {
  font-size: 56px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--mint-400), var(--cyan-500));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 18px;
  opacity: 0.95;
}
.ch-step-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-100);
  margin-bottom: 12px;
}
.ch-step-desc {
  font-size: 15px;
  color: var(--text-300);
}

/* ------------------------------------------------------------------ */
/* Pricing                                                             */
/* ------------------------------------------------------------------ */
.ch-pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: start;
}
.ch-plan {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}
.ch-plan-popular {
  border-color: var(--mint-400);
  box-shadow: var(--shadow-mint);
  background: linear-gradient(180deg, rgba(52, 211, 153, 0.06), var(--card-bg) 40%);
}
.ch-plan-flag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--mint-400), var(--cyan-500));
  color: #04120C;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
  box-shadow: var(--shadow-mint);
}
.ch-plan-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}
.ch-plan-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-100);
}
.ch-plan-from {
  font-size: 12px;
  color: var(--text-400);
}
.ch-plan-desc {
  font-size: 13px;
  color: var(--text-300);
  min-height: 38px;
}
.ch-plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.ch-plan-price .amt {
  font-size: 34px;
  font-weight: 800;
  color: var(--mint-300);
  letter-spacing: -0.02em;
}
.ch-plan-price .per {
  font-size: 14px;
  color: var(--text-400);
}
.ch-plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 4px 0;
}
.ch-plan-features li {
  font-size: 14px;
  color: var(--text-200);
  display: flex;
  align-items: center;
  gap: 10px;
}
.ch-check {
  color: var(--mint-300);
  font-weight: 700;
  flex-shrink: 0;
}

/* ------------------------------------------------------------------ */
/* Comparison table                                                    */
/* ------------------------------------------------------------------ */
.ch-compare-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  background: var(--card-bg);
}
.ch-compare {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
  font-size: 14px;
}
.ch-compare th, .ch-compare td {
  padding: 14px 18px;
  text-align: center;
  border-bottom: 1px solid var(--card-border);
}
.ch-compare thead th {
  background: var(--bg-600);
  color: var(--text-100);
  font-weight: 700;
  font-size: 14px;
  position: sticky;
  top: 0;
}
.ch-compare tbody tr:last-child td { border-bottom: none; }
.ch-compare tbody tr:hover { background: var(--bg-600); }
.ch-compare-spec {
  text-align: left !important;
  font-weight: 600;
  color: var(--text-200);
  white-space: nowrap;
}
.ch-compare-pop {
  background: var(--accent-soft) !important;
  color: var(--mint-300) !important;
  font-weight: 700;
}
.ch-compare thead .ch-compare-pop {
  background: linear-gradient(135deg, var(--mint-400), var(--cyan-500)) !important;
  color: #04120C !important;
}

/* ------------------------------------------------------------------ */
/* Blog                                                                */
/* ------------------------------------------------------------------ */
.ch-blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ch-blog-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.ch-blog-img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}
.ch-blog-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.ch-blog-cat {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mint-300);
}
.ch-blog-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-100);
  line-height: 1.3;
}
.ch-blog-excerpt {
  font-size: 14px;
  color: var(--text-300);
  flex: 1;
}
.ch-blog-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-400);
}

/* ------------------------------------------------------------------ */
/* Audiences (replaces fake testimonials)                              */
/* ------------------------------------------------------------------ */
.ch-audiences-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ch-audience {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ch-audience-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(52, 211, 153, 0.25);
  color: var(--mint-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}
.ch-audience-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-100);
}
.ch-audience-desc {
  font-size: 15px;
  color: var(--text-300);
}

/* ------------------------------------------------------------------ */
/* Infrastructure / spec strip                                         */
/* ------------------------------------------------------------------ */
.ch-specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.ch-spec {
  padding: 28px 24px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ch-spec-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-2-soft);
  border: 1px solid rgba(34, 211, 238, 0.25);
  color: var(--cyan-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}
.ch-spec-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-100);
}
.ch-spec-desc {
  font-size: 14px;
  color: var(--text-300);
}

/* ------------------------------------------------------------------ */
/* FAQ                                                                 */
/* ------------------------------------------------------------------ */
.ch-faq-grid {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ch-faq-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.ch-faq-item[open] {
  border-color: var(--mint-400);
}
.ch-faq-q {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-100);
  list-style: none;
}
.ch-faq-q::-webkit-details-marker { display: none; }
.ch-faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--mint-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}
.ch-faq-a {
  padding: 0 24px 20px 66px;
  font-size: 15px;
  color: var(--text-300);
}

/* ------------------------------------------------------------------ */
/* Newsletter                                                          */
/* ------------------------------------------------------------------ */
.ch-newsletter {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}
.ch-newsletter-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-100);
  margin-bottom: 14px;
}
.ch-newsletter-desc {
  font-size: 16px;
  color: var(--text-300);
  margin-bottom: 28px;
}
.ch-newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 460px;
  margin: 0 auto 16px;
}
.ch-newsletter-input {
  flex: 1;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-700);
  border: 1px solid var(--card-border);
  color: var(--text-100);
  font-size: 15px;
  font-family: var(--font-sans);
}
.ch-newsletter-input::placeholder { color: var(--text-400); }
.ch-newsletter-input:focus {
  outline: none;
  border-color: var(--mint-400);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.ch-newsletter-note {
  font-size: 13px;
  color: var(--text-400);
}

/* ------------------------------------------------------------------ */
/* CTA                                                                 */
/* ------------------------------------------------------------------ */
.ch-cta {
  position: relative;
  text-align: center;
  padding: 80px 24px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 100% at 50% 0%, rgba(52, 211, 153, 0.18), transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 100%, rgba(34, 211, 238, 0.14), transparent 60%),
    linear-gradient(135deg, #0A1210, #0B1418);
  border: 1px solid rgba(52, 211, 153, 0.25);
}
.ch-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(52,211,153,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(52,211,153,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 60% 80% at 50% 30%, black, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 60% 80% at 50% 30%, black, transparent 75%);
}
.ch-cta .container { position: relative; z-index: 1; }
.ch-cta-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.ch-cta-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.72);
  max-width: 560px;
  margin: 0 auto 32px;
}
.ch-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.ch-cta .ch-btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,0.3);
}
.ch-cta .ch-btn-ghost:hover {
  border-color: var(--mint-300);
  color: var(--mint-200);
  background: rgba(52,211,153,0.1);
}

/* ------------------------------------------------------------------ */
/* About                                                               */
/* ------------------------------------------------------------------ */
.ch-about-story {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}
.ch-about-story-text {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.ch-about-h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-100);
  margin-bottom: 4px;
}
.ch-about-story-text p {
  font-size: 16px;
  color: var(--text-300);
}
.ch-about-story-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-lg);
}
.ch-about-story-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 320px;
}

.ch-values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ch-value-card {
  padding: 32px 28px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  transition: all 0.25s ease;
}
.ch-value-card:hover {
  border-color: var(--card-hover-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.ch-value-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--accent-soft);
  border: 1px solid rgba(52, 211, 153, 0.25);
  color: var(--mint-300);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 26px;
}
.ch-value-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-100);
  margin-bottom: 12px;
}
.ch-value-desc {
  font-size: 15px;
  color: var(--text-300);
}

.ch-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.ch-stat {
  padding: 32px 20px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
}
.ch-stat-num {
  font-size: 40px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--mint-300), var(--cyan-400));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.ch-stat-label {
  font-size: 14px;
  color: var(--text-300);
}

/* ------------------------------------------------------------------ */
/* Contact                                                             */
/* ------------------------------------------------------------------ */
.ch-contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: start;
}
.ch-contact-form-wrap {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.ch-contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}
.ch-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.ch-form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.ch-form-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-200);
}
.ch-form-input {
  padding: 13px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-700);
  border: 1px solid var(--card-border);
  color: var(--text-100);
  font-size: 15px;
  font-family: var(--font-sans);
  transition: all 0.2s ease;
}
.ch-form-input::placeholder { color: var(--text-400); }
.ch-form-input:focus {
  outline: none;
  border-color: var(--mint-400);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.ch-form-textarea { resize: vertical; min-height: 120px; }

.ch-contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.ch-contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}
.ch-contact-card:hover {
  border-color: var(--card-hover-border);
}
.ch-contact-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--accent-soft);
  border: 1px solid rgba(52, 211, 153, 0.25);
  color: var(--mint-300);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 20px;
}
.ch-contact-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-400);
  margin-bottom: 4px;
}
.ch-contact-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-100);
}

/* ------------------------------------------------------------------ */
/* Legal                                                               */
/* ------------------------------------------------------------------ */
.ch-legal {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.ch-legal h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-100);
  margin-top: 12px;
}
.ch-legal p {
  font-size: 16px;
  color: var(--text-300);
}
.ch-legal ul {
  padding-left: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ch-legal li {
  font-size: 16px;
  color: var(--text-300);
}

/* ------------------------------------------------------------------ */
/* Footer                                                              */
/* ------------------------------------------------------------------ */
.ch-footer {
  background: #04060A;
  border-top: 1px solid var(--bg-500);
  padding: 64px 0 32px;
}
.ch-footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.ch-footer-brand .ch-logo { margin-bottom: 18px; }
.ch-footer-slogan {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--mint-300);
  margin-bottom: 10px;
  max-width: 320px;
}
.ch-footer-about {
  font-size: 14px;
  color: var(--text-300);
  margin-bottom: 20px;
  max-width: 320px;
}
.ch-footer-social {
  display: flex;
  gap: 12px;
}
.ch-footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-700);
  border: 1px solid var(--bg-500);
  color: var(--text-300);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}
.ch-footer-social a:hover {
  color: var(--mint-300);
  border-color: var(--mint-400);
  transform: translateY(-2px);
}

.ch-footer-col-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-100);
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.ch-footer-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ch-footer-col a {
  font-size: 14px;
  color: var(--text-300);
  transition: color 0.2s ease;
}
.ch-footer-col a:hover { color: var(--mint-300); }

.ch-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--bg-500);
  font-size: 13px;
  color: var(--text-400);
  flex-wrap: wrap;
  gap: 16px;
}
.ch-footer-legal {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.ch-footer-legal a {
  color: var(--text-300);
  transition: color 0.2s ease;
}
.ch-footer-legal a:hover { color: var(--mint-300); }

/* ------------------------------------------------------------------ */
/* Glassmorphism utility                                               */
/* ------------------------------------------------------------------ */
.ch-glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

/* ------------------------------------------------------------------ */
/* Hero bento metrics grid                                             */
/* ------------------------------------------------------------------ */
.ch-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 56px;
}
.ch-metric {
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all 0.25s ease;
}
.ch-metric:hover {
  border-color: var(--mint-400);
  transform: translateY(-3px);
  box-shadow: var(--shadow-mint);
}
.ch-metric-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-soft);
  border: 1px solid rgba(52, 211, 153, 0.25);
  color: var(--mint-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}
.ch-metric-num {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-100);
  line-height: 1;
}
.ch-metric-num .ch-accent { color: var(--mint-300); }
.ch-metric-label {
  font-size: 13px;
  color: var(--text-300);
}

/* ------------------------------------------------------------------ */
/* Header: currency switcher + cart                                    */
/* ------------------------------------------------------------------ */
.ch-currency {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 12px;
  border-radius: 10px;
  background: var(--bg-700);
  border: 1px solid var(--bg-500);
  color: var(--text-200);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.ch-currency:hover {
  border-color: var(--mint-400);
  color: var(--mint-300);
}
.ch-currency i { font-size: 15px; color: var(--mint-300); }
.ch-currency .fa-chevron-down { font-size: 11px; color: var(--text-400); }

.ch-cart-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--mint-400), var(--cyan-500));
  color: #04120C;
  font-size: 14px;
  font-weight: 700;
  box-shadow: var(--shadow-mint);
  transition: all 0.2s ease;
}
.ch-cart-btn:hover {
  background: linear-gradient(135deg, var(--mint-300), var(--mint-400));
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(52, 211, 153, 0.34);
}
.ch-cart-count {
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 100px;
  background: #04120C;
  color: var(--mint-300);
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ------------------------------------------------------------------ */
/* Features: 4-card bento with FontAwesome                             */
/* ------------------------------------------------------------------ */
.ch-features-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.ch-feature-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: var(--accent-soft);
  border: 1px solid rgba(52, 211, 153, 0.25);
  color: var(--mint-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 4px;
}

/* ------------------------------------------------------------------ */
/* Footer: payment trust badges                                        */
/* ------------------------------------------------------------------ */
.ch-payment-badges {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.ch-payment-badges .ch-pay-label {
  font-size: 12px;
  color: var(--text-400);
  margin-right: 4px;
}
.ch-pay-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 12px;
  border-radius: 8px;
  background: var(--bg-700);
  border: 1px solid var(--bg-500);
  color: var(--text-200);
  font-size: 13px;
  font-weight: 600;
}
.ch-pay-badge i { font-size: 18px; color: var(--mint-300); }

/* ------------------------------------------------------------------ */
/* Responsive                                                          */
/* ------------------------------------------------------------------ */
@media (max-width: 1024px) {
  .ch-features-grid { grid-template-columns: repeat(2, 1fr); }
  .ch-features-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .ch-categories-grid { grid-template-columns: repeat(2, 1fr); }
  .ch-pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .ch-blog-grid { grid-template-columns: repeat(2, 1fr); }
  .ch-audiences-grid { grid-template-columns: repeat(2, 1fr); }
  .ch-specs-grid { grid-template-columns: repeat(2, 1fr); }
  .ch-metrics { grid-template-columns: repeat(2, 1fr); }
  .ch-footer-grid { grid-template-columns: repeat(2, 1fr); gap: 36px; }
  .ch-about-story { grid-template-columns: 1fr; }
  .ch-contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .ch-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-800);
    border-bottom: 1px solid var(--bg-500);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    z-index: 99;
  }
  .ch-nav.nav-open { transform: translateY(0); }
  .ch-burger { display: flex; }
  .ch-header-actions .ch-btn { display: none; }
  .ch-hero { padding: 64px 0 56px; }
  .ch-trust { gap: 24px; }
  .ch-features-grid,
  .ch-features-grid-4,
  .ch-categories-grid,
  .ch-steps-grid,
  .ch-blog-grid,
  .ch-audiences-grid,
  .ch-values-grid { grid-template-columns: 1fr; }
  .ch-pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .ch-specs-grid { grid-template-columns: repeat(2, 1fr); }
  .ch-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .ch-metrics { grid-template-columns: repeat(2, 1fr); }
  .ch-form-row { grid-template-columns: 1fr; }
  .ch-footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .ch-section { padding: 64px 0; }
  .ch-newsletter-form { flex-direction: column; }
  .ch-header-actions .ch-currency { display: none; }
}

@media (max-width: 480px) {
  .ch-pricing-grid { grid-template-columns: 1fr; }
  .ch-stats-grid { grid-template-columns: 1fr; }
  .ch-specs-grid { grid-template-columns: 1fr; }
  .ch-hero-actions { flex-direction: column; }
  .ch-hero-actions .ch-btn { width: 100%; }
}