/* ==============================================================================
   4Achievers - Executive Course Detail Design System (2026 Edition)
   Crafted for ₹4,00,000 Elite Career Programs
   Zero-Bleed Scoped Architecture under .exec-page-root
   ============================================================================== */

:root {
  --ecd-navy-950: #060913;
  --ecd-navy-900: #0B0F19;
  --ecd-navy-800: #0B132B;
  --ecd-navy-700: #131E3D;
  --ecd-slate-900: #0F172A;
  --ecd-slate-800: #1E293B;
  --ecd-slate-700: #334155;
  --ecd-slate-600: #475569;
  --ecd-slate-500: #64748B;
  --ecd-slate-400: #94A3B8;
  --ecd-slate-300: #CBD5E1;
  --ecd-slate-200: #E2E8F0;
  --ecd-slate-100: #F1F5F9;
  --ecd-slate-50:  #F8FAFC;
  --ecd-white:     #FFFFFF;

  --ecd-cyan:      #00D2FF;
  --ecd-cyan-glow: rgba(0, 210, 255, 0.25);
  --ecd-emerald:   #10B981;
  --ecd-emerald-dark: #059669;
  --ecd-gold:      #EAB308;
  --ecd-purple:    #8B5CF6;
  --ecd-blue:      #2563EB;

  --ecd-radius-sm: 8px;
  --ecd-radius-md: 14px;
  --ecd-radius-lg: 20px;
  --ecd-radius-xl: 28px;

  --ecd-shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --ecd-shadow-md: 0 4px 16px rgba(11, 19, 43, 0.08);
  --ecd-shadow-lg: 0 16px 36px rgba(11, 19, 43, 0.12);
  --ecd-shadow-dark: 0 20px 48px rgba(0, 0, 0, 0.45);

  --ecd-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --ecd-font-heading: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --ecd-font-mono: 'JetBrains Mono', monospace;
}

.exec-page-root {
  font-family: var(--ecd-font-sans);
  color: var(--ecd-slate-900);
  background-color: #FFFFFF;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  box-sizing: border-box;
}

.exec-page-root *,
.exec-page-root *::before,
.exec-page-root *::after {
  box-sizing: border-box;
}

.ecd-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.ecd-container-narrow {
  max-width: 1060px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ==============================================================================
   1. EXECUTIVE HERO
   ============================================================================== */
.ecd-hero-section {
  position: relative;
  background: radial-gradient(circle at 85% 15%, rgba(0, 210, 255, 0.12) 0%, transparent 45%),
              radial-gradient(circle at 10% 85%, rgba(16, 185, 129, 0.08) 0%, transparent 45%),
              linear-gradient(175deg, var(--ecd-navy-950) 0%, var(--ecd-navy-900) 45%, var(--ecd-navy-800) 100%);
  color: var(--ecd-white);
  padding: 50px 0 85px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.ecd-hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 36px 36px;
  background-position: center center;
  pointer-events: none;
  opacity: 0.7;
}

.ecd-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ecd-slate-400);
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
}
.ecd-breadcrumbs a {
  color: var(--ecd-slate-300);
  text-decoration: none;
  transition: color 0.2s ease;
}
.ecd-breadcrumbs a:hover {
  color: var(--ecd-cyan);
}
.ecd-breadcrumbs .sep {
  color: var(--ecd-slate-600);
}
.ecd-breadcrumbs .active {
  color: var(--ecd-cyan);
  font-weight: 600;
}

.ecd-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 52px;
  align-items: flex-start;
  position: relative;
  z-index: 2;
}

.ecd-pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 210, 255, 0.08);
  border: 1px solid rgba(0, 210, 255, 0.28);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ecd-cyan);
  margin-bottom: 18px;
  backdrop-filter: blur(8px);
}
.ecd-pill-tag .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ecd-cyan);
  box-shadow: 0 0 8px var(--ecd-cyan);
}

.ecd-hero-title {
  font-family: var(--ecd-font-heading);
  font-size: 42px;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--ecd-white);
  margin: 0 0 16px 0;
}
.ecd-hero-title .text-cyan {
  color: var(--ecd-cyan);
}
.ecd-hero-title .text-emerald {
  color: var(--ecd-emerald);
}

.ecd-hero-subtitle {
  font-size: 17px;
  font-weight: 600;
  color: #7DD3FC;
  line-height: 1.45;
  margin: 0 0 16px 0;
}

.ecd-hero-desc {
  font-size: 15.5px;
  line-height: 1.62;
  color: var(--ecd-slate-300);
  margin: 0 0 28px 0;
}

/* Metric Strip in Hero */
.ecd-hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 18px 0;
  margin: 24px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.ecd-metric-unit {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.ecd-metric-val {
  font-family: var(--ecd-font-heading);
  font-size: 21px;
  font-weight: 800;
  color: var(--ecd-white);
}
.ecd-metric-val .cyan {
  color: var(--ecd-cyan);
}
.ecd-metric-lbl {
  font-size: 11.5px;
  color: var(--ecd-slate-400);
  line-height: 1.3;
}

.ecd-hero-cta-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ==============================================================================
   2. HERO LEAD FORM (High-Intent Conversion Card)
   ============================================================================== */
.ecd-lead-card {
  background: rgba(15, 23, 42, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--ecd-radius-lg);
  padding: 32px 28px;
  box-shadow: var(--ecd-shadow-dark), 0 0 32px rgba(0, 210, 255, 0.09);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
}
.ecd-lead-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--ecd-cyan), var(--ecd-emerald), transparent);
}
.ecd-card-badge {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ecd-cyan);
  margin-bottom: 6px;
  display: block;
}
.ecd-card-h2 {
  font-family: var(--ecd-font-heading);
  font-size: 21px;
  font-weight: 700;
  color: var(--ecd-white);
  margin: 0 0 6px 0;
  line-height: 1.3;
}
.ecd-card-sub {
  font-size: 13px;
  color: var(--ecd-slate-300);
  margin: 0 0 20px 0;
  line-height: 1.45;
}
.ecd-form-field {
  margin-bottom: 13px;
}
.ecd-form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--ecd-slate-200);
  margin-bottom: 4px;
}
.ecd-form-input,
.ecd-form-select {
  width: 100%;
  background: rgba(11, 15, 25, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 14px;
  color: var(--ecd-white);
  font-family: var(--ecd-font-sans);
  outline: none;
  transition: all 0.2s ease;
}
.ecd-form-input:focus,
.ecd-form-select:focus {
  border-color: var(--ecd-cyan);
  box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.2);
  background: rgba(11, 15, 25, 0.95);
}
.ecd-form-select option {
  background: var(--ecd-navy-900);
  color: var(--ecd-white);
}
.ecd-phone-wrap {
  display: flex;
  align-items: center;
  background: rgba(11, 15, 25, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  overflow: hidden;
}
.ecd-phone-wrap:focus-within {
  border-color: var(--ecd-cyan);
  box-shadow: 0 0 0 3px rgba(0, 210, 255, 0.2);
}
.ecd-phone-prefix {
  padding: 11px 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--ecd-cyan);
  font-size: 13.5px;
  font-weight: 700;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}
.ecd-phone-wrap .ecd-form-input {
  border: none;
  background: transparent;
}
.ecd-phone-wrap .ecd-form-input:focus {
  box-shadow: none;
}
.ecd-consent-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 14px 0 16px;
  font-size: 12px;
  color: var(--ecd-slate-400);
  line-height: 1.45;
}
.ecd-consent-row input {
  accent-color: var(--ecd-emerald);
  margin-top: 3px;
}
.ecd-consent-row a {
  color: var(--ecd-cyan);
  text-decoration: underline;
}
.ecd-submit-btn {
  width: 100%;
  padding: 13px;
  border-radius: 10px;
  background: linear-gradient(135deg, #059669 0%, #10B981 100%);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
  transition: all 0.25s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.ecd-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(16, 185, 129, 0.55);
}

/* ==============================================================================
   3. STICKY SUB-NAVIGATION BAR
   ============================================================================== */
.ecd-subnav-bar {
  background: #FFFFFF;
  border-bottom: 1px solid var(--ecd-slate-200);
  position: sticky;
  top: 70px;
  z-index: 25;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}
.ecd-subnav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  overflow-x: auto;
  padding: 14px 0;
  -webkit-overflow-scrolling: touch;
}
.ecd-subnav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.ecd-subnav-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--ecd-slate-600);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease;
}
.ecd-subnav-link:hover,
.ecd-subnav-link.active {
  color: var(--ecd-emerald-dark);
}
.ecd-subnav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  background: #059669;
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

/* ==============================================================================
   4. TWO-COLUMN LAYOUT (Main Content + Sticky Sidebar)
   ============================================================================== */
.ecd-content-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 48px;
  padding: 60px 0 80px;
}

.ecd-section-block {
  margin-bottom: 60px;
  scroll-margin-top: 140px;
}
.ecd-sec-badge {
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ecd-slate-500);
  margin-bottom: 8px;
  display: block;
}
.ecd-sec-title {
  font-family: var(--ecd-font-heading);
  font-size: 28px;
  font-weight: 800;
  color: var(--ecd-slate-900);
  margin: 0 0 16px 0;
  letter-spacing: -0.02em;
}
.ecd-sec-desc {
  font-size: 15.5px;
  color: var(--ecd-slate-600);
  line-height: 1.6;
  margin: 0 0 24px 0;
}

/* Cards & Modules */
.ecd-candidate-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}
.ecd-candidate-card {
  background: var(--ecd-slate-50);
  border: 1.5px solid var(--ecd-slate-200);
  border-radius: var(--ecd-radius-md);
  padding: 24px 22px;
}
.ecd-candidate-card h4 {
  font-size: 15px;
  font-weight: 800;
  color: var(--ecd-slate-800);
  margin: 0 0 8px 0;
}
.ecd-candidate-card p {
  font-size: 13.5px;
  color: var(--ecd-slate-600);
  margin: 0;
  line-height: 1.55;
}

/* Module Accordion */
.ecd-modules-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ecd-module-card {
  border: 1.5px solid var(--ecd-slate-200);
  border-radius: var(--ecd-radius-md);
  overflow: hidden;
  background: #FFFFFF;
  transition: all 0.2s ease;
}
.ecd-module-card.active {
  border-color: #059669;
  box-shadow: 0 4px 16px rgba(5, 150, 105, 0.08);
}
.ecd-module-head {
  padding: 18px 22px;
  background: var(--ecd-slate-50);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}
.ecd-module-head-left {
  display: flex;
  align-items: center;
  gap: 14px;
}
.ecd-module-index {
  font-family: var(--ecd-font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  background: #E0F2FE;
  color: #0284C7;
}
.ecd-module-name {
  font-family: var(--ecd-font-heading);
  font-size: 16px;
  font-weight: 800;
  color: var(--ecd-slate-900);
}
.ecd-module-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--ecd-slate-200);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ecd-slate-600);
  transition: transform 0.25s ease;
}
.ecd-module-card.active .ecd-module-icon {
  transform: rotate(180deg);
  background: #059669;
  color: #FFFFFF;
}
.ecd-module-body {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
}
.ecd-module-card.active .ecd-module-body {
  padding: 20px 22px;
  max-height: 800px;
}
.ecd-module-body p {
  font-size: 14px;
  color: var(--ecd-slate-600);
  line-height: 1.6;
  margin: 0 0 14px 0;
}
.ecd-topics-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.ecd-topic-chip {
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--ecd-slate-100);
  color: var(--ecd-slate-700);
  border: 1px solid var(--ecd-slate-200);
}

/* Tools Grid */
.ecd-tools-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.ecd-tool-card {
  background: #FFFFFF;
  border: 1.5px solid var(--ecd-slate-200);
  border-radius: 14px;
  padding: 16px 14px;
  text-align: center;
  transition: all 0.2s ease;
}
.ecd-tool-card:hover {
  border-color: #059669;
  transform: translateY(-3px);
  box-shadow: var(--ecd-shadow-md);
}
.ecd-tool-name {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ecd-slate-900);
  margin-top: 6px;
}
.ecd-tool-desc {
  font-size: 11.5px;
  color: var(--ecd-slate-500);
  margin-top: 2px;
}

/* Capstone Project Cards */
.ecd-projects-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.ecd-project-card {
  background: #FFFFFF;
  border: 1.5px solid var(--ecd-slate-200);
  border-radius: var(--ecd-radius-lg);
  padding: 28px 26px;
  box-shadow: var(--ecd-shadow-sm);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.ecd-project-card:hover {
  border-color: #94A3B8;
  box-shadow: var(--ecd-shadow-md);
}
.ecd-project-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: #059669;
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.ecd-project-title {
  font-family: var(--ecd-font-heading);
  font-size: 19px;
  font-weight: 800;
  color: var(--ecd-slate-900);
  margin: 0 0 10px 0;
}
.ecd-project-desc {
  font-size: 14px;
  color: var(--ecd-slate-600);
  line-height: 1.6;
  margin: 0 0 16px 0;
}
.ecd-project-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  background: var(--ecd-slate-50);
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--ecd-slate-100);
}
.ecd-spec-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ecd-spec-lbl {
  font-size: 10.5px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--ecd-slate-400);
}
.ecd-spec-val {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ecd-slate-800);
}

/* Pricing Breakdown Section */
.ecd-fee-box {
  background: linear-gradient(135deg, var(--ecd-navy-950) 0%, var(--ecd-navy-800) 100%);
  color: var(--ecd-white);
  border-radius: var(--ecd-radius-lg);
  padding: 36px 32px;
  box-shadow: var(--ecd-shadow-lg);
}
.ecd-fee-amount {
  font-family: var(--ecd-font-heading);
  font-size: 46px;
  font-weight: 900;
  color: var(--ecd-white);
  line-height: 1.1;
  margin-bottom: 4px;
}
.ecd-fee-amount span {
  color: var(--ecd-cyan);
}
.ecd-fee-sub {
  font-size: 13.5px;
  color: var(--ecd-slate-400);
  margin-bottom: 24px;
}
.ecd-fee-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.ecd-fee-plan {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  padding: 16px;
}
.ecd-plan-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ecd-white);
  margin-bottom: 4px;
}
.ecd-plan-desc {
  font-size: 12px;
  color: var(--ecd-slate-300);
  line-height: 1.45;
}

/* Sidebar Sticky Widget */
.ecd-sidebar-widget {
  position: sticky;
  top: 130px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.ecd-side-card {
  background: #FFFFFF;
  border: 1.5px solid var(--ecd-slate-200);
  border-radius: var(--ecd-radius-lg);
  padding: 24px;
  box-shadow: var(--ecd-shadow-sm);
}
.ecd-side-title {
  font-family: var(--ecd-font-heading);
  font-size: 17px;
  font-weight: 800;
  color: var(--ecd-slate-900);
  margin: 0 0 12px 0;
}
.ecd-side-list {
  list-style: none;
  padding: 0;
  margin: 0 0 18px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.ecd-side-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ecd-slate-600);
}
.ecd-side-list svg {
  color: #059669;
  flex-shrink: 0;
}

/* Responsive */
@media (max-width: 1100px) {
  .ecd-hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .ecd-content-layout {
    grid-template-columns: 1fr;
  }
  .ecd-sidebar-widget {
    position: static;
  }
  .ecd-tools-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .ecd-hero-title {
    font-size: 30px;
  }
  .ecd-hero-metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .ecd-candidate-grid {
    grid-template-columns: 1fr;
  }
  .ecd-fee-grid-3 {
    grid-template-columns: 1fr;
  }
  .ecd-tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}