/* ==========================================================================
   SEND COLDY — Core Design System & Stylesheet
   Modern, Deliverability-First Dark Theme with Glassmorphism & Cyber Accents
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-main: #06080d;
  --bg-secondary: #0b0f17;
  --bg-card: rgba(15, 22, 36, 0.65);
  --bg-card-hover: rgba(22, 32, 52, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(0, 229, 255, 0.35);
  --border-card: rgba(45, 111, 255, 0.18);

  /* Accents & Brand Gradients */
  --cyan-neon: #00e5ff;
  --blue-brand: #2d6fff;
  --emerald-green: #00f59b;
  --amber-warn: #ffb800;
  --purple-glow: #8a2be2;
  
  --gradient-brand: linear-gradient(135deg, #00e5ff 0%, #2d6fff 50%, #8a2be2 100%);
  --gradient-glow: radial-gradient(circle at 50% 0%, rgba(0, 229, 255, 0.15) 0%, rgba(6, 8, 13, 0) 70%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.01) 100%);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --text-main: #f0f4fc;
  --text-muted: #8e9bb0;
  --text-dim: #5c687d;

  /* Shadows & Glows */
  --glow-cyan: 0 0 35px rgba(0, 229, 255, 0.25);
  --glow-green: 0 0 25px rgba(0, 245, 155, 0.2);
  --shadow-card: 0 16px 36px -8px rgba(0, 0, 0, 0.6);

  /* Dimensions */
  --container-max: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  scroll-behavior: smooth;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(45, 111, 255, 0.18), transparent),
    radial-gradient(circle at 90% 40%, rgba(0, 229, 255, 0.06), transparent 50%),
    radial-gradient(circle at 10% 80%, rgba(138, 43, 226, 0.08), transparent 50%);
  background-attachment: fixed;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.025em;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

code, pre {
  font-family: var(--font-mono);
}

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(6, 8, 13, 0.82);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.logo-badge-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--cyan-neon), var(--blue-brand));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.925rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-links a:hover {
  color: var(--cyan-neon);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(0, 245, 155, 0.08);
  border: 1px solid rgba(0, 245, 155, 0.25);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--emerald-green);
}

.status-pulse {
  width: 7px;
  height: 7px;
  background-color: var(--emerald-green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--emerald-green);
  animation: pulseAnim 2s infinite ease-in-out;
}

@keyframes pulseAnim {
  0% { transform: scale(0.95); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.7; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.925rem;
  cursor: pointer;
  transition: all var(--transition-smooth);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--cyan-neon), var(--blue-brand));
  color: #040711;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(0, 229, 255, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(0, 229, 255, 0.55);
  transform: translateY(-2px);
  color: #000;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 7px 14px;
  font-size: 0.825rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
  padding: 8px;
}

/* Hero Section */
.hero-section {
  padding: 80px 0 60px;
  position: relative;
  text-align: center;
}

.hero-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(45, 111, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--cyan-neon);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 22px;
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
  max-width: 760px;
  margin: 0 auto 36px;
  color: var(--text-muted);
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

/* AEO / Direct Answer Box */
.aeo-answer-box {
  background: rgba(13, 20, 33, 0.85);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  max-width: 860px;
  margin: 0 auto 60px;
  text-align: left;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  box-shadow: var(--shadow-card), inset 0 0 20px rgba(0, 229, 255, 0.04);
  position: relative;
}

.aeo-badge {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(45, 111, 255, 0.2));
  color: var(--cyan-neon);
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  border: 1px solid rgba(0, 229, 255, 0.3);
  text-transform: uppercase;
}

.aeo-content {
  flex: 1;
}

.aeo-content strong {
  color: var(--text-main);
  display: block;
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.aeo-content p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: #b0bfd6;
  margin: 0;
}

/* Ecosystem / Trusted By Sequencers */
.ecosystem-bar {
  padding: 30px 0 50px;
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
}

.ecosystem-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 24px;
  font-weight: 600;
}

.sequencer-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.sequencer-tag {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 1rem;
  opacity: 0.75;
  transition: all var(--transition-fast);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid transparent;
}

.sequencer-tag:hover {
  opacity: 1;
  color: var(--text-main);
  border-color: var(--border-subtle);
  transform: translateY(-2px);
}

.sequencer-tag svg {
  width: 22px;
  height: 22px;
}

/* Sections Global */
.section {
  padding: 90px 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 56px;
}

.section-tag {
  color: var(--cyan-neon);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 2.8rem);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Golden Ratio: 3 Inboxes / Domain Pillar */
.golden-ratio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.ratio-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition-smooth);
  position: relative;
  backdrop-filter: blur(12px);
}

.ratio-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-active);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-card), var(--glow-cyan);
}

.ratio-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(0, 229, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-neon);
  margin-bottom: 20px;
}

.ratio-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.ratio-card p {
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Live DNS Architecture Simulator */
.dns-simulator-wrap {
  background: #080c14;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.dns-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 20px;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.dns-header-left h3 {
  font-size: 1.35rem;
  margin-bottom: 4px;
}

.dns-header-left p {
  font-size: 0.88rem;
}

.dns-domain-selector {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dns-domain-badge {
  background: rgba(45, 111, 255, 0.15);
  border: 1px solid var(--border-active);
  color: var(--cyan-neon);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.dns-records-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.dns-records-table th {
  text-align: left;
  padding: 12px 16px;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-subtle);
}

.dns-records-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-family: var(--font-mono);
}

.dns-type-tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.75rem;
}

.tag-txt { background: rgba(0, 229, 255, 0.15); color: var(--cyan-neon); }
.tag-mx { background: rgba(138, 43, 226, 0.2); color: #c084fc; }
.tag-cname { background: rgba(0, 245, 155, 0.15); color: var(--emerald-green); }

.dns-val {
  color: #c9d7ed;
  max-width: 480px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dns-status-col {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--emerald-green);
  font-weight: 600;
}

/* Interactive Calculator */
.calc-card {
  background: linear-gradient(180deg, rgba(13, 19, 31, 0.95), rgba(9, 13, 22, 0.98));
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card), var(--glow-cyan);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.calc-controls h3 {
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.calc-controls p {
  font-size: 0.92rem;
  margin-bottom: 28px;
}

.slider-group {
  margin-bottom: 28px;
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.slider-labels span {
  font-size: 0.9rem;
  font-weight: 600;
}

.slider-val-display {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--cyan-neon);
  font-weight: 700;
}

.range-slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  border-radius: 4px;
  background: #1c273c;
  outline: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--cyan-neon);
  cursor: pointer;
  box-shadow: 0 0 14px var(--cyan-neon);
  transition: transform var(--transition-fast);
}

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

.calc-meta-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.metric-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
}

.metric-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
  margin-bottom: 4px;
}

.metric-number {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-main);
  font-family: var(--font-mono);
}

/* Calc Results Panel */
.calc-results {
  background: rgba(6, 9, 15, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.calc-results::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
}

.comparison-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 24px;
}

.comp-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
}

.comp-google {
  color: #ff6b6b;
  text-decoration: line-through;
  font-family: var(--font-mono);
}

.comp-sendcoldy {
  color: var(--cyan-neon);
  font-weight: 800;
  font-size: 1.2rem;
  font-family: var(--font-mono);
}

.savings-highlight {
  background: rgba(0, 245, 155, 0.1);
  border: 1px solid rgba(0, 245, 155, 0.3);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 24px;
}

.savings-highlight span {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--emerald-green);
  font-weight: 700;
}

.savings-amount {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--emerald-green);
  font-family: var(--font-mono);
}

/* Comparison Table Section */
.comparison-section {
  background: rgba(11, 15, 23, 0.5);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

.custom-comp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.custom-comp-table th, 
.custom-comp-table td {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.custom-comp-table th {
  background: rgba(6, 8, 13, 0.9);
  font-weight: 700;
  font-size: 0.95rem;
}

.custom-comp-table th.highlight-col,
.custom-comp-table td.highlight-col {
  background: rgba(0, 229, 255, 0.04);
  border-left: 1px solid rgba(0, 229, 255, 0.2);
  border-right: 1px solid rgba(0, 229, 255, 0.2);
}

.custom-comp-table td {
  font-size: 0.92rem;
  color: #a7b6cf;
}

.custom-comp-table td.highlight-col {
  color: var(--text-main);
  font-weight: 600;
}

.check-icon {
  color: var(--emerald-green);
  font-weight: 800;
}

.cross-icon {
  color: #ff5252;
  font-weight: 800;
}

/* Pricing Section */
.pricing-toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 48px;
}

.toggle-label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
  cursor: pointer;
}

.toggle-label.active {
  color: var(--text-main);
}

.discount-pill {
  background: rgba(0, 245, 155, 0.15);
  color: var(--emerald-green);
  border: 1px solid rgba(0, 245, 155, 0.4);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

/* Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 52px;
  height: 28px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #1e2638;
  transition: .3s;
  border-radius: 34px;
}

.switch-slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: var(--cyan-neon);
  transition: .3s;
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan-neon);
}

input:checked + .switch-slider {
  background-color: var(--blue-brand);
}

input:checked + .switch-slider:before {
  transform: translateX(24px);
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: stretch;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
  position: relative;
}

.price-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-card);
}

.price-card.featured {
  background: linear-gradient(180deg, rgba(16, 26, 44, 0.9), rgba(10, 16, 28, 0.95));
  border-color: var(--cyan-neon);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.2);
  transform: scale(1.03);
  z-index: 2;
}

.price-card.featured:hover {
  transform: scale(1.05) translateY(-5px);
}

.popular-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--cyan-neon), var(--blue-brand));
  color: #040711;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.plan-name {
  font-size: 1.25rem;
  margin-bottom: 6px;
}

.plan-desc {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 20px;
  min-height: 40px;
}

.price-wrap {
  margin-bottom: 24px;
}

.price-val {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-main);
}

.price-period {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.per-inbox-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.05);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  color: var(--cyan-neon);
  margin-top: 6px;
}

.specs-list {
  list-style: none;
  margin-bottom: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.88rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
}

.specs-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #cbd5e1;
}

.specs-list li svg {
  flex-shrink: 0;
  color: var(--cyan-neon);
}

/* Steps: How It Works */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  position: relative;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 800;
  color: rgba(0, 229, 255, 0.2);
  line-height: 1;
  margin-bottom: 16px;
}

.step-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.step-card p {
  font-size: 0.92rem;
  line-height: 1.6;
}

/* FAQ Accordion (AEO Engineered) */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.open {
  border-color: var(--border-active);
}

.faq-trigger {
  width: 100%;
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform var(--transition-smooth);
  color: var(--cyan-neon);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
  padding: 0 24px;
}

.faq-item.open .faq-body {
  max-height: 350px;
  padding-bottom: 22px;
}

.faq-body p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: #a8b8d0;
}

/* CTA Banner */
.cta-banner-wrap {
  background: linear-gradient(135deg, rgba(13, 22, 38, 0.9), rgba(6, 9, 16, 0.95));
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--glow-cyan);
}

.cta-banner-wrap::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(2rem, 3.5vw, 2.7rem);
  margin-bottom: 16px;
}

.cta-subtitle {
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto 36px;
}

/* Footer */
.site-footer {
  background: #030508;
  border-top: 1px solid var(--border-subtle);
  padding: 70px 0 30px;
  font-size: 0.88rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  margin-top: 14px;
  max-width: 320px;
  font-size: 0.88rem;
}

.footer-col h4 {
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-main);
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.footer-col a:hover {
  color: var(--cyan-neon);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-dim);
}

/* Responsive Media Queries */
@media (max-width: 1080px) {
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .price-card.featured {
    transform: none;
  }
  .price-card.featured:hover {
    transform: translateY(-5px);
  }
}

@media (max-width: 900px) {
  .golden-ratio-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .calc-card {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .header-actions .status-pill {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .mobile-menu-active .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: #090e17;
    padding: 24px;
    border-bottom: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-card);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .dns-records-table {
    display: block;
    overflow-x: auto;
  }
}

/* ==========================================================================
   DNS Checker Tool Styles
   ========================================================================== */
.dns-checker-tool-wrap {
  max-width: 960px;
  margin: 0 auto;
}

.dns-input-card {
  background: var(--bg-card);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card), var(--glow-cyan);
  margin-bottom: 40px;
}

.dns-form-grid {
  display: grid;
  grid-template-columns: 2fr 1fr auto;
  gap: 16px;
  align-items: flex-end;
}

.input-field-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-field-wrap label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #c9d7ed;
}

.input-field-wrap input {
  background: #090e17;
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 13px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.input-field-wrap input:focus {
  border-color: var(--cyan-neon);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
}

/* Diagnostic Cards */
.diagnostics-stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 40px;
}

.dns-diagnostic-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition-fast);
}

.dns-diagnostic-card.status-pass {
  border-left: 4px solid var(--emerald-green);
  border-color: rgba(0, 245, 155, 0.25);
}

.dns-diagnostic-card.status-warn {
  border-left: 4px solid var(--amber-warn);
  border-color: rgba(255, 184, 0, 0.3);
}

.dns-diagnostic-card.status-fail {
  border-left: 4px solid #ff5252;
  border-color: rgba(255, 82, 82, 0.35);
}

.dns-diagnostic-card.status-loading {
  border-left: 4px solid var(--cyan-neon);
}

.diag-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 10px;
}

.diag-title-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.diag-title-area h4 {
  font-size: 1.1rem;
  margin: 0;
}

.diag-status-pill {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-pass .diag-status-pill {
  background: rgba(0, 245, 155, 0.12);
  color: var(--emerald-green);
  border: 1px solid rgba(0, 245, 155, 0.3);
}

.status-warn .diag-status-pill {
  background: rgba(255, 184, 0, 0.12);
  color: var(--amber-warn);
  border: 1px solid rgba(255, 184, 0, 0.3);
}

.status-fail .diag-status-pill {
  background: rgba(255, 82, 82, 0.12);
  color: #ff5252;
  border: 1px solid rgba(255, 82, 82, 0.3);
}

.status-loading .diag-status-pill {
  background: rgba(0, 229, 255, 0.12);
  color: var(--cyan-neon);
  border: 1px solid rgba(0, 229, 255, 0.3);
}

.diag-details {
  font-size: 0.92rem;
  color: #b3c2d8;
  line-height: 1.6;
  margin-bottom: 12px;
}

.diag-record-preview {
  background: #080c14;
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #79a8e8;
  word-break: break-all;
  display: none;
}

/* Score Gauge Card */
.score-overview-card {
  background: linear-gradient(180deg, rgba(13, 20, 33, 0.95), rgba(7, 10, 18, 0.98));
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  align-items: center;
  gap: 36px;
  margin-bottom: 36px;
  box-shadow: var(--shadow-card);
}

.score-gauge-wrap {
  position: relative;
  width: 110px;
  height: 110px;
  flex-shrink: 0;
}

.score-gauge-svg {
  transform: rotate(-90deg);
  width: 110px;
  height: 110px;
}

.score-bg-circle {
  fill: none;
  stroke: rgba(255, 255, 255, 0.08);
  stroke-width: 10;
}

.score-progress-circle {
  fill: none;
  stroke: var(--cyan-neon);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 283;
  stroke-dashoffset: 283;
  transition: stroke-dashoffset 1s ease-in-out, stroke 0.5s ease;
}

.score-gauge-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cyan-neon);
}

.score-info-wrap h3 {
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.score-info-wrap p {
  font-size: 0.92rem;
  margin: 0;
}

.spin-icon {
  animation: spinAnim 1s infinite linear;
}

@keyframes spinAnim {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (max-width: 768px) {
  .dns-form-grid {
    grid-template-columns: 1fr;
  }
  .score-overview-card {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }
}