:root {
  --etc-navy: #060b18;
  --etc-blue: #2563eb;
  --etc-cyan: #0284c7;
  --etc-accent: #38bdf8;
  --etc-dark-card: #0c1527;
  --etc-border: rgba(56, 189, 248, 0.15);
}

body {
  background-color: #ffffff !important;
  font-family: "DM Sans", system-ui, -apple-system, sans-serif !important;
}

/* Hero Section */
.etc-hero-section {
  background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.18) 0%, transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(14, 165, 233, 0.12) 0%, transparent 40%),
              #060b18;
  color: #ffffff;
  padding: 80px 20px 70px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.etc-hero-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.etc-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 6px 18px;
  border-radius: 99px;
  font-size: 14px;
  font-weight: 600;
  color: #38bdf8;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.etc-hero-section h1 {
  font-size: clamp(2rem, 3.5vw + 1rem, 3.2rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.etc-hero-section h1 span {
  background: linear-gradient(135deg, #38bdf8 0%, #60a5fa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.etc-hero-subtitle {
  font-size: clamp(1.05rem, 1vw + 0.9rem, 1.25rem);
  color: #94a3b8;
  line-height: 1.65;
  max-width: 780px;
  margin: 0 auto;
  font-weight: 400;
}

/* Key Pillars Quick Bar */
.etc-pillars-wrapper {
  max-width: 1140px;
  margin: -35px auto 0;
  padding: 0 20px;
  position: relative;
  z-index: 3;
}

.etc-pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 24px 20px;
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.08);
}

.etc-pillar-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 12px;
  border-right: 1px solid #f1f5f9;
}

.etc-pillar-item:last-child {
  border-right: none;
}

.etc-pillar-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(37, 99, 235, 0.08);
  color: #2563eb;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.etc-pillar-title {
  font-size: 15px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 2px;
}

.etc-pillar-desc {
  font-size: 12.5px;
  color: #64748b;
}

/* Content Sections Container */
.etc-content-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 70px 20px 40px;
}

/* Alternating Feature Rows */
.etc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 80px;
}

.etc-row.reverse {
  direction: rtl;
}

.etc-row.reverse .etc-text-col {
  direction: ltr;
  text-align: left;
}

.etc-row.reverse .etc-card-col {
  direction: ltr;
}

.etc-section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.2);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12.5px;
  font-weight: 600;
  color: #2563eb;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.etc-section-title {
  font-size: clamp(1.6rem, 2vw + 1rem, 2.2rem);
  font-weight: 800;
  color: #0f172a;
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.etc-lead-p {
  font-size: 16px;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 24px;
}

.etc-feature-boxes {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.etc-feat-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 16px 20px;
  transition: all 0.2s ease;
}

.etc-feat-box:hover {
  background: #ffffff;
  border-color: #38bdf8;
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.06);
  transform: translateY(-2px);
}

.etc-feat-title {
  font-size: 15.5px;
  font-weight: 700;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.etc-feat-title svg {
  color: #2563eb;
}

.etc-feat-desc {
  font-size: 14px;
  color: #64748b;
  line-height: 1.6;
  margin: 0;
}

/* Visual Cards & Mockups */
.etc-visual-card {
  background: linear-gradient(145deg, #0c1527 0%, #060b18 100%);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 20px;
  padding: 36px 30px;
  color: #ffffff;
  box-shadow: 0 20px 40px rgba(6, 11, 24, 0.25);
  position: relative;
  overflow: hidden;
}

.etc-visual-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.etc-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.etc-card-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(34, 197, 94, 0.15);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: #4ade80;
}

.etc-cipher-meter {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
}

.etc-cipher-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  margin-bottom: 8px;
}

.etc-cipher-label {
  color: #94a3b8;
}

.etc-cipher-val {
  color: #38bdf8;
  font-family: monospace;
  font-weight: 700;
}

.etc-cipher-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
}

.etc-cipher-progress {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #2563eb, #38bdf8);
}

/* Cloud Storage Integration Card */
.etc-cloud-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 10px;
}

.etc-cloud-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
  color: #f1f5f9;
}

.etc-cloud-status {
  font-size: 12px;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
  padding: 3px 8px;
  border-radius: 6px;
  font-weight: 500;
}

/* Signing Security Stack Grid */
.etc-stack-section {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  padding: 50px 36px;
  margin-bottom: 80px;
}

.etc-stack-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 40px;
}

.etc-stack-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.etc-stack-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 20px 18px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  transition: all 0.2s ease;
}

.etc-stack-card:hover {
  border-color: #2563eb;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.08);
  transform: translateY(-3px);
}

.etc-stack-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(37, 99, 235, 0.08);
  color: #2563eb;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.etc-stack-name {
  font-size: 14.5px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 2px;
}

.etc-stack-desc {
  font-size: 12.5px;
  color: #64748b;
  line-height: 1.4;
}

/* Document Workflow 5-Step Pipeline */
.etc-workflow-section {
  margin-bottom: 80px;
  text-align: center;
}

.etc-workflow-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-top: 36px;
  position: relative;
}

.etc-step-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 24px 16px;
  position: relative;
  transition: all 0.2s ease;
}

.etc-step-card:hover {
  border-color: #38bdf8;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
  transform: translateY(-3px);
}

.etc-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #2563eb;
  color: #ffffff;
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}

.etc-step-title {
  font-size: 16px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 6px;
}

.etc-step-desc {
  font-size: 12.5px;
  color: #64748b;
  line-height: 1.5;
}

/* FAQ Accordion Section */
.etc-faq-section {
  max-width: 840px;
  margin: 0 auto 80px;
}

.etc-faq-item {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: all 0.2s ease;
}

.etc-faq-item:hover {
  border-color: #cbd5e1;
}

.etc-faq-btn {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 700;
  color: #0f172a;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.etc-faq-btn:focus {
  outline: none;
}

.etc-faq-btn .faq-icon {
  font-size: 20px;
  color: #2563eb;
  transition: transform 0.2s ease;
}

.etc-faq-btn[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.etc-faq-body {
  padding: 0 24px 20px;
  font-size: 15px;
  color: #475569;
  line-height: 1.65;
}

.collapse:not(.show) {
  display: none;
}

.collapse.show {
  display: block;
}

/* High Converting CTA Card */
.etc-cta-section {
  background: linear-gradient(135deg, #060b18 0%, #0c1527 50%, #1e3a8a 100%);
  color: #ffffff;
  border-radius: 24px;
  padding: 60px 30px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 60px;
  box-shadow: 0 20px 45px rgba(6, 11, 24, 0.2);
}

.etc-cta-section::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -20%;
  width: 140%;
  height: 140%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.etc-cta-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
}

.etc-cta-content h2 {
  font-size: clamp(1.8rem, 2.5vw + 1rem, 2.6rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.etc-cta-content p {
  font-size: 16px;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 28px;
}

.etc-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #2563eb;
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: 99px;
  text-decoration: none;
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
  transition: all 0.2s ease;
}

.etc-cta-btn:hover {
  background: #1d4ed8;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(37, 99, 235, 0.5);
  text-decoration: none;
}

.etc-cta-sub {
  font-size: 13px;
  color: #94a3b8;
  margin-top: 14px;
}

/* Related Trust & Security Links Hub */
.etc-related-section {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 36px 28px;
  margin-bottom: 60px;
  text-align: center;
}

.etc-related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 20px;
}

.etc-related-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 16px 14px;
  text-decoration: none;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.2s ease;
}

.etc-related-card:hover {
  border-color: #2563eb;
  box-shadow: 0 6px 18px rgba(37, 99, 235, 0.08);
  transform: translateY(-2px);
  text-decoration: none;
  color: #2563eb;
}

.etc-related-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(37, 99, 235, 0.08);
  color: #2563eb;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.etc-related-title {
  font-size: 13.5px;
  font-weight: 700;
  text-align: left;
}

/* Responsive Queries */
@media (max-width: 991px) {
  .etc-pillars-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  .etc-pillar-item:nth-child(2) {
    border-right: none;
  }
  .etc-row {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .etc-stack-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .etc-workflow-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .etc-related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .etc-pillars-grid {
    grid-template-columns: 1fr;
  }
  .etc-pillar-item {
    border-right: none;
    border-bottom: 1px solid #f1f5f9;
    padding-bottom: 12px;
  }
  .etc-pillar-item:last-child {
    border-bottom: none;
  }
  .etc-stack-grid {
    grid-template-columns: 1fr;
  }
  .etc-workflow-steps {
    grid-template-columns: 1fr;
  }
  .etc-related-grid {
    grid-template-columns: 1fr;
  }
}