/* ==========================================================================
   БФ «ГЕРОЇ ПОРЯД» - MILITARY MINIMALISM & SCIENTIFIC NEUROBIOLOGY (v4.0)
   Scoped under .eh-landing-wrapper to prevent theme conflicts
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@200;300;400;500;600&family=Plus+Jakarta+Sans:ital,wght@0,200;0,300;0,400;0,500;0,600;1,300;1,400&display=swap');

:root {
  --eh-bg-main: #0a0c10;
  --eh-bg-darker: #060709;
  --eh-bg-card: rgba(16, 20, 26, 0.85);
  --eh-bg-card-hover: rgba(24, 30, 40, 0.95);
  --eh-border-tactical: rgba(255, 204, 0, 0.25);
  --eh-border-subtle: rgba(255, 255, 255, 0.08);
  --eh-text-main: #f8fafc;
  --eh-text-muted: #cbd5e1;
  --eh-text-dim: #94a3b8;
  
  /* Military / Tactical Palette */
  --eh-accent-gold: #ffcc00;
  --eh-accent-gold-dark: #d97706;
  --eh-accent-gold-glow: rgba(255, 204, 0, 0.15);
  --eh-accent-olive: #2E4F4F;
  --eh-accent-olive-tactical: #3b5249;
  --eh-accent-olive-light: #84cc16;
  --eh-accent-emerald: #10b981;
  --eh-accent-cyan: #06b6d4;
  --eh-accent-red: #ef4444;
  
  /* Apple iOS Thin Typography */
  --eh-font-title: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', system-ui, sans-serif;
  --eh-font-tactical: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Inter', system-ui, sans-serif;
  --eh-font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', system-ui, sans-serif;
}

/* Base Body and Smooth Scrolling Reset */
html {
  scroll-behavior: smooth !important;
  box-sizing: border-box;
}

*, *::before, *::after {
  box-sizing: inherit;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--eh-bg-main) !important;
  color: var(--eh-text-main) !important;
  margin: 0 !important;
  padding: 0 !important;
  font-family: var(--eh-font-body) !important;
  letter-spacing: -0.01em;
}

.eh-standalone-body {
  background-color: var(--eh-bg-main) !important;
  color: var(--eh-text-main) !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow-x: hidden !important;
}

/* Custom Tactical Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: #060709;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 204, 0, 0.35);
  border-radius: 100px;
  border: 2px solid #060709;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--eh-accent-gold);
}

.eh-landing-wrapper {
  background-color: var(--eh-bg-main) !important;
  color: var(--eh-text-main) !important;
  font-family: var(--eh-font-body) !important;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
  width: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(255, 204, 0, 0.04) 0%, transparent 45%),
    radial-gradient(circle at 85% 90%, rgba(46, 79, 79, 0.08) 0%, transparent 50%),
    linear-gradient(180deg, #07080a 0%, #0c0e14 50%, #07080a 100%) !important;
}

.eh-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Tactical Markers & Badges */
.eh-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 204, 0, 0.1);
  border: 1px solid var(--eh-accent-gold);
  color: var(--eh-accent-gold);
  font-family: var(--eh-font-tactical);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 5px 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 100px;
  margin-bottom: 16px;
  line-height: 1.3;
  box-shadow: 0 2px 10px rgba(255, 204, 0, 0.1);
}

.eh-badge.olive {
  background: rgba(46, 79, 79, 0.35);
  border-color: var(--eh-accent-olive-light);
  color: #c9e265;
}

.eh-badge.cyan {
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--eh-accent-cyan);
  color: #67e8f9;
}

.eh-section-tag {
  font-family: var(--eh-font-tactical);
  font-size: 0.85rem;
  color: var(--eh-accent-gold);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 400;
  margin-bottom: 10px;
  display: block;
  line-height: 1.4;
}

.eh-section-tag::before {
  content: "// ";
  color: var(--eh-accent-gold);
  font-weight: 400;
}

.eh-section-title {
  font-family: var(--eh-font-title);
  font-size: 2.3rem;
  font-weight: 350;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 18px;
}

.eh-section-title span {
  color: var(--eh-accent-gold);
  display: inline;
}

.eh-section-desc {
  font-size: 1.08rem;
  color: var(--eh-text-muted);
  max-width: 780px;
  margin-bottom: 36px;
  line-height: 1.6;
}

/* Sections Padding */
.eh-section {
  padding: 80px 0;
  position: relative;
}

.eh-section.darker {
  background: rgba(5, 6, 8, 0.7);
  border-top: 1px solid var(--eh-border-subtle);
  border-bottom: 1px solid var(--eh-border-subtle);
}

/* Header & Navigation */
.eh-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(8, 10, 14, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--eh-border-subtle);
  padding: 14px 0;
}

.eh-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.eh-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
  font-family: var(--eh-font-title);
  font-weight: 400;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.eh-logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, rgba(255, 204, 0, 0.2), rgba(46, 79, 79, 0.4));
  border: 1px solid var(--eh-accent-gold);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--eh-accent-gold);
  font-size: 1.2rem;
}

.eh-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.eh-nav-link {
  color: var(--eh-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  font-weight: 400;
}

.eh-nav-link:hover {
  color: var(--eh-accent-gold);
}

.eh-header-cta {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Tactical Buttons */
.eh-btn-tactical {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--eh-accent-gold), var(--eh-accent-gold-dark));
  color: #000 !important;
  font-family: var(--eh-font-tactical);
  font-weight: 500;
  font-size: 0.92rem;
  padding: 12px 24px;
  border-radius: 100px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 18px var(--eh-accent-gold-glow);
}

.eh-btn-tactical:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 204, 0, 0.35);
}

.eh-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.03);
  color: #fff !important;
  font-family: var(--eh-font-tactical);
  font-weight: 400;
  font-size: 0.92rem;
  padding: 12px 24px;
  border-radius: 100px;
  text-decoration: none;
  border: 1px solid var(--eh-border-subtle);
  cursor: pointer;
  transition: all 0.25s ease;
}

.eh-btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.eh-btn-olive {
  border-color: var(--eh-accent-olive-light);
  color: #c9e265 !important;
}

.eh-btn-olive:hover {
  background: rgba(46, 79, 79, 0.4);
  border-color: var(--eh-accent-olive-light);
}

/* ==========================================================================
   SCREEN 1: HERO SECTION
   ========================================================================== */
.eh-hero-section {
  padding: 90px 0 70px;
  position: relative;
}

.eh-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.eh-hero-title {
  font-family: var(--eh-font-title);
  font-size: 3.1rem;
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 24px;
}

.eh-hero-title span {
  color: var(--eh-accent-gold);
  font-weight: 300;
}

.eh-hero-sub {
  font-size: 1.15rem;
  color: var(--eh-text-muted);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 650px;
}

.eh-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.eh-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.eh-metric-card {
  background: var(--eh-bg-card);
  border: 1px solid var(--eh-border-subtle);
  padding: 16px 20px;
  border-radius: 14px;
}

.eh-metric-val {
  font-family: var(--eh-font-title);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--eh-accent-gold);
  margin-bottom: 4px;
}

.eh-metric-label {
  font-size: 0.82rem;
  color: var(--eh-text-dim);
  line-height: 1.3;
}

/* Tactical Passport Card */
.eh-tactical-box {
  background: linear-gradient(145deg, rgba(16, 20, 26, 0.95), rgba(8, 10, 14, 0.98));
  border: 1px solid var(--eh-border-tactical);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  position: relative;
}

.eh-tac-header {
  font-family: var(--eh-font-tactical);
  font-size: 0.85rem;
  color: var(--eh-accent-gold);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.eh-tac-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--eh-border-subtle);
  font-size: 0.92rem;
}

.eh-tac-row:last-child {
  border-bottom: none;
}

.eh-tac-label {
  color: var(--eh-text-dim);
}

.eh-tac-val {
  color: #fff;
  font-weight: 400;
  text-align: right;
}

/* ==========================================================================
   SCREEN 2: ABOUT FOUNDER (ОЛЕКСІЙ «АМЕРИКА»)
   ========================================================================== */
.eh-author-box {
  background: var(--eh-bg-card);
  border: 1px solid var(--eh-border-subtle);
  border-radius: 24px;
  padding: 44px;
}

.eh-author-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 40px;
  align-items: start;
}

.eh-author-badge-card {
  background: rgba(8, 10, 14, 0.9);
  border: 1px solid var(--eh-border-tactical);
  border-radius: 18px;
  padding: 28px;
  text-align: center;
}

.eh-author-avatar {
  width: 84px;
  height: 84px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 204, 0, 0.2), rgba(46, 79, 79, 0.4));
  border: 2px solid var(--eh-accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
}

.eh-author-name {
  font-family: var(--eh-font-title);
  font-size: 1.3rem;
  font-weight: 350;
  color: #fff;
  margin-bottom: 4px;
}

.eh-author-callsign {
  font-family: var(--eh-font-tactical);
  color: var(--eh-accent-gold);
  font-size: 0.85rem;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.eh-author-role {
  font-size: 0.88rem;
  color: var(--eh-text-muted);
  line-height: 1.4;
}

.eh-author-quote {
  font-size: 1.15rem;
  line-height: 1.65;
  color: #fff;
  border-left: 3px solid var(--eh-accent-gold);
  padding-left: 24px;
  margin-bottom: 24px;
  font-style: italic;
}

.eh-author-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.eh-author-point {
  background: rgba(8, 10, 14, 0.6);
  border: 1px solid var(--eh-border-subtle);
  padding: 18px;
  border-radius: 14px;
}

.eh-author-point-title {
  font-size: 0.95rem;
  color: var(--eh-accent-gold);
  font-weight: 500;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.eh-author-point-desc {
  font-size: 0.88rem;
  color: var(--eh-text-muted);
  line-height: 1.45;
  margin: 0;
}

/* ==========================================================================
   SCREEN 3: FOUR FOUNDATION MODULES
   ========================================================================== */
.eh-modules-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.eh-module-card {
  background: var(--eh-bg-card);
  border: 1px solid var(--eh-border-subtle);
  border-radius: 18px;
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
}

.eh-module-card:hover {
  border-color: var(--eh-accent-gold);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.eh-module-num {
  font-family: var(--eh-font-tactical);
  font-size: 0.8rem;
  color: var(--eh-accent-gold);
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}

.eh-module-title {
  font-family: var(--eh-font-title);
  font-size: 1.18rem;
  font-weight: 400;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.3;
}

.eh-module-desc {
  font-size: 0.9rem;
  color: var(--eh-text-muted);
  line-height: 1.5;
  margin-bottom: 20px;
}

.eh-module-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.eh-module-tag {
  background: rgba(255, 255, 255, 0.05);
  color: var(--eh-text-dim);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 6px;
}

/* ==========================================================================
   SCREEN 4: SCIENTIFIC NEUROBIOLOGY BASE
   ========================================================================== */
.eh-science-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.eh-science-card {
  background: var(--eh-bg-card);
  border: 1px solid var(--eh-border-subtle);
  border-radius: 20px;
  padding: 36px;
  position: relative;
}

.eh-science-card.highlight {
  border-color: rgba(6, 182, 212, 0.35);
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.06);
}

.eh-science-title {
  font-family: var(--eh-font-title);
  font-size: 1.35rem;
  font-weight: 350;
  color: #fff;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.eh-neuro-box {
  background: rgba(8, 10, 14, 0.7);
  border: 1px solid var(--eh-border-subtle);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}

.eh-neuro-title {
  font-size: 0.95rem;
  color: var(--eh-accent-cyan);
  font-weight: 500;
  margin-bottom: 6px;
}

.eh-neuro-text {
  font-size: 0.88rem;
  color: var(--eh-text-muted);
  line-height: 1.5;
  margin: 0;
}

.eh-stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--eh-accent-emerald);
  color: #34d399;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: 10px;
}

/* ==========================================================================
   SCREEN 5: PILOT PROJECT & VENUE
   ========================================================================== */
.eh-pilot-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
}

.eh-hub-card {
  background: linear-gradient(145deg, rgba(46, 79, 79, 0.25), rgba(16, 20, 26, 0.95));
  border: 1px solid var(--eh-accent-olive-light);
  border-radius: 20px;
  padding: 36px;
}

.eh-hub-feature {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--eh-border-subtle);
}

.eh-hub-feature:last-child {
  border-bottom: none;
}

.eh-hub-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(132, 204, 22, 0.15);
  color: var(--eh-accent-olive-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

/* ==========================================================================
   SCREEN 6: 4 TARGET DONOR PACKAGES & BUDGET
   ========================================================================== */
.eh-packages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.eh-package-card {
  background: var(--eh-bg-card);
  border: 1px solid var(--eh-border-subtle);
  border-radius: 20px;
  padding: 30px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.25s ease;
  cursor: pointer;
  position: relative;
}

.eh-package-card:hover {
  transform: translateY(-4px);
  border-color: var(--eh-accent-gold);
  box-shadow: 0 12px 36px rgba(255, 204, 0, 0.12);
}

.eh-package-card.featured {
  border-color: var(--eh-accent-gold);
  background: linear-gradient(165deg, rgba(255, 204, 0, 0.08), rgba(16, 20, 26, 0.95));
  box-shadow: 0 0 30px rgba(255, 204, 0, 0.1);
}

.eh-package-price {
  font-family: var(--eh-font-title);
  font-size: 2rem;
  font-weight: 350;
  color: var(--eh-accent-gold);
  margin: 12px 0 6px;
}

.eh-package-name {
  font-size: 1.1rem;
  font-weight: 400;
  color: #fff;
  margin-bottom: 12px;
}

.eh-package-desc {
  font-size: 0.88rem;
  color: var(--eh-text-muted);
  line-height: 1.5;
  margin-bottom: 24px;
}

/* Table */
.eh-table-container {
  background: var(--eh-bg-card);
  border: 1px solid var(--eh-border-subtle);
  border-radius: 18px;
  overflow-x: auto;
}

.eh-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.eh-table th, .eh-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--eh-border-subtle);
}

.eh-table th {
  background: rgba(8, 10, 14, 0.8);
  color: var(--eh-text-dim);
  font-family: var(--eh-font-tactical);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.eh-table .highlight {
  color: var(--eh-accent-gold);
  font-weight: 500;
}

.eh-table .total-row {
  background: rgba(255, 204, 0, 0.06);
  font-weight: 500;
}

/* ==========================================================================
   SCREEN 7: 5 ROLES INTERACTIVE FORM
   ========================================================================== */
.eh-form-box {
  background: var(--eh-bg-card);
  border: 1px solid var(--eh-border-tactical);
  border-radius: 24px;
  padding: 44px;
  max-width: 860px;
  margin: 0 auto;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.6);
}

.eh-roles-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 24px;
}

.eh-role-item {
  position: relative;
}

.eh-role-item input[type="radio"] {
  position: absolute;
  opacity: 0;
}

.eh-role-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 14px 8px;
  background: rgba(8, 10, 14, 0.8);
  border: 1px solid var(--eh-border-subtle);
  border-radius: 12px;
  color: var(--eh-text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 84px;
}

.eh-role-item input:checked + .eh-role-btn {
  background: rgba(255, 204, 0, 0.15);
  border-color: var(--eh-accent-gold);
  color: #fff;
  font-weight: 500;
  box-shadow: 0 0 15px rgba(255, 204, 0, 0.2);
}

.eh-role-icon {
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.eh-input-group {
  margin-bottom: 20px;
}

.eh-label {
  display: block;
  font-size: 0.88rem;
  color: var(--eh-text-dim);
  margin-bottom: 8px;
}

.eh-input, .eh-textarea {
  width: 100%;
  background: rgba(8, 10, 14, 0.9);
  border: 1px solid var(--eh-border-subtle);
  border-radius: 10px;
  padding: 14px 18px;
  color: #fff;
  font-family: var(--eh-font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}

.eh-input:focus, .eh-textarea:focus {
  outline: none;
  border-color: var(--eh-accent-gold);
  box-shadow: 0 0 10px rgba(255, 204, 0, 0.15);
}

.eh-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ==========================================================================
   SCREEN 8: LEGAL & FOOTER
   ========================================================================== */
.eh-footer {
  background: var(--eh-bg-darker);
  border-top: 1px solid var(--eh-border-subtle);
  padding: 60px 0 30px;
}

.eh-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.eh-legal-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--eh-border-subtle);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 0.8rem;
  color: var(--eh-text-muted);
  margin-top: 14px;
}

/* ==========================================================================
   INTERACTIVE PRESENTATION SLIDER
   ========================================================================== */
.eh-slider-section {
  padding: 60px 0;
}
.eh-slider-outer {
  position: relative;
  max-width: 1100px;
  margin: 0 auto;
}
.eh-slider-container {
  background: var(--eh-bg-card);
  border: 1px solid var(--eh-border-tactical);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}
.eh-slider-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.eh-slider-title {
  font-family: var(--eh-font-tactical);
  color: var(--eh-accent-gold);
  font-size: 0.88rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}
.eh-slider-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}
.eh-slider-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--eh-border-subtle);
  color: #fff;
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 0.8rem;
  cursor: pointer;
}
.eh-slider-progress-bar {
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  margin-bottom: 30px;
  overflow: hidden;
}
.eh-slider-progress {
  height: 100%;
  width: 0%;
  background: var(--eh-accent-gold);
}
.eh-slide {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}
.eh-slide.active {
  display: block;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.eh-slide-tag {
  font-family: var(--eh-font-tactical);
  color: var(--eh-accent-gold);
  font-size: 0.82rem;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}
.eh-slide-title {
  font-family: var(--eh-font-title);
  font-size: 1.8rem;
  font-weight: 350;
  color: #fff;
  margin-bottom: 14px;
}
.eh-slide-title span {
  color: var(--eh-accent-gold);
}
.eh-slide-desc {
  font-size: 1.05rem;
  color: var(--eh-text-muted);
  line-height: 1.55;
  margin-bottom: 24px;
}
.eh-slide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.eh-slide-card {
  background: rgba(8, 10, 14, 0.8);
  border: 1px solid var(--eh-border-subtle);
  border-radius: 14px;
  padding: 20px;
}
.eh-slide-card-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--eh-accent-gold);
  margin-bottom: 8px;
}
.eh-slide-card-text {
  font-size: 0.88rem;
  color: var(--eh-text-muted);
  line-height: 1.45;
}
.eh-slider-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--eh-border-subtle);
}
.eh-slider-dots {
  display: flex;
  gap: 8px;
}
.eh-slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: all 0.2s ease;
}
.eh-slider-dot.active {
  background: var(--eh-accent-gold);
  width: 24px;
  border-radius: 10px;
}
.eh-slider-counter {
  font-family: var(--eh-font-tactical);
  font-size: 0.85rem;
  color: var(--eh-text-dim);
}
.eh-slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(16, 20, 26, 0.9);
  border: 1px solid var(--eh-border-subtle);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.2s ease;
}
.eh-slider-arrow:hover {
  background: var(--eh-accent-gold);
  color: #000;
  border-color: var(--eh-accent-gold);
}
.eh-slider-prev { left: -60px; }
.eh-slider-next { right: -60px; }

/* Responsive */
@media (max-width: 1140px) {
  .eh-nav { display: none; }
  .eh-modules-grid { grid-template-columns: repeat(2, 1fr); }
  .eh-packages-grid { grid-template-columns: repeat(2, 1fr); }
  .eh-slider-prev { left: -20px; }
  .eh-slider-next { right: -20px; }
}

@media (max-width: 768px) {
  .eh-hero-grid, .eh-author-grid, .eh-science-grid, .eh-pilot-grid, .eh-footer-grid {
    grid-template-columns: 1fr;
  }
  .eh-hero-title { font-size: 2.2rem; }
  .eh-metrics-grid, .eh-slide-grid, .eh-form-row { grid-template-columns: 1fr; }
  .eh-roles-grid { grid-template-columns: repeat(2, 1fr); }
  .eh-modules-grid, .eh-packages-grid { grid-template-columns: 1fr; }
  .eh-author-points { grid-template-columns: 1fr; }
  .eh-slider-arrow { display: none; }
}