/* ==========================================================================
   Fassernate & Eltovision - Modern Premium Dark Theme Stylesheet
   ========================================================================== */

:root {
  --bg-dark: #070913;
  --bg-card: rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(30, 41, 59, 0.8);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(56, 189, 248, 0.3);
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  
  --accent-emerald: #34D399;
  --accent-blue: #38BDF8;
  --accent-purple: #818CF8;
  --accent-amber: #F59E0B;
  --accent-pink: #F472B6;

  --gradient-brand: linear-gradient(135deg, #38BDF8 0%, #818CF8 50%, #C084FC 100%);
  --gradient-emerald: linear-gradient(135deg, #34D399 0%, #059669 100%);
  --gradient-blue: linear-gradient(135deg, #38BDF8 0%, #2563EB 100%);
  --gradient-amber: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  --shadow-glow: 0 0 40px rgba(56, 189, 248, 0.15);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

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

.gradient-text-emerald {
  background: var(--gradient-emerald);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-blue {
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-amber {
  background: var(--gradient-amber);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-center {
  text-align: center;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--gradient-brand);
  color: #0F172A;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(56, 189, 248, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(56, 189, 248, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-main);
  border-color: var(--border-color);
  backdrop-filter: blur(10px);
}

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

.btn-outline {
  background: transparent;
  color: var(--accent-blue);
  border-color: rgba(56, 189, 248, 0.4);
}

.btn-outline:hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: var(--accent-blue);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
  border-radius: 12px;
}

.btn-block {
  width: 100%;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(7, 9, 19, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.eltovision-navbar-logo {
  height: 48px;
  width: auto;
  display: block;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.brand-logo:hover .eltovision-navbar-logo {
  transform: scale(1.05);
  filter: drop-shadow(0 0 12px rgba(255, 255, 255, 0.35));
}

.brand-sub {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--accent-blue);
  background: rgba(56, 189, 248, 0.1);
  padding: 2px 8px;
  border-radius: 6px;
  margin-left: 4px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-item {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.nav-item:hover, .nav-item.active {
  color: var(--text-main);
}

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Background Glow Effects */
.glow-bg {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  pointer-events: none;
  opacity: 0.4;
  z-index: 0;
}

.glow-purple {
  width: 500px;
  height: 500px;
  background: #818CF8;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
}

.glow-blue {
  width: 400px;
  height: 400px;
  background: #0284C7;
  top: 200px;
  right: -100px;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 160px 0 100px;
  background: radial-gradient(circle at top center, rgba(30, 41, 59, 0.4) 0%, transparent 70%);
  border-bottom: 1px solid var(--border-color);
}

.hero-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 30px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: 0.5px;
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
}

.hero-heading {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-subtext {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 750px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 60px;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  padding: 24px 16px;
  border-radius: var(--radius-md);
  transition: transform 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* General Section Rules */
.section {
  padding: 100px 0;
  position: relative;
  border-bottom: 1px solid var(--border-color);
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 50px;
}

/* Section 1: About Grid */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  padding: 32px 24px;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-glow);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.icon-emerald { background: rgba(52, 211, 153, 0.15); }
.icon-blue { background: rgba(56, 189, 248, 0.15); }
.icon-purple { background: rgba(129, 140, 248, 0.15); }
.icon-amber { background: rgba(245, 158, 11, 0.15); }
.icon-pink { background: rgba(244, 114, 182, 0.15); }

.card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.card-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.app-cta-banner {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.9) 100%);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 32px 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.banner-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.banner-text {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Section 2: Consulting Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 36px 28px;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.service-box:hover {
  transform: translateY(-6px);
  border-color: rgba(129, 140, 248, 0.4);
}

.service-icon {
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.service-heading {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-list li {
  font-size: 0.88rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-list li::before {
  content: '✓';
  color: var(--accent-emerald);
  font-weight: bold;
}

/* Section 3: Lancet Case Study */
.lancet-section {
  background: radial-gradient(circle at center, rgba(15, 23, 42, 0.8) 0%, var(--bg-dark) 100%);
}

.lancet-card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.5) 100%);
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.client-badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(52, 211, 153, 0.15);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-emerald);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.lancet-title {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.lancet-subtitle {
  font-size: 1.15rem;
  color: var(--accent-blue);
  margin-bottom: 36px;
  font-weight: 500;
}

.healthcare-showcase-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.showcase-card {
  background: rgba(7, 9, 19, 0.6);
  border: 1px solid var(--border-color);
  padding: 32px 28px;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
}

.showcase-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
}

.showcase-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-blue);
  background: rgba(56, 189, 248, 0.1);
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.showcase-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-main);
}

.showcase-text {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.info-heading {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.info-text {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.7;
}

.lancet-highlights {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 24px;
}

.highlight-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: rgba(7, 9, 19, 0.4);
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.highlight-icon {
  font-size: 1.5rem;
  background: rgba(56, 189, 248, 0.1);
  padding: 8px;
  border-radius: 8px;
}

.highlight-item strong {
  color: var(--text-main);
  font-size: 0.98rem;
  display: block;
  margin-bottom: 2px;
}

.highlight-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Mock Device Visual */
.mock-device {
  background: #0B0F19;
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 24px;
  padding: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.mock-device-screen {
  background: #111827;
  border-radius: 16px;
  padding: 20px;
}

.app-header-mock {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.app-logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: #F8FAFC;
}

.app-status {
  font-size: 0.72rem;
  background: rgba(52, 211, 153, 0.2);
  color: var(--accent-emerald);
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}

.mock-report-card {
  background: #1F2937;
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 14px;
  border-radius: 10px;
  margin-bottom: 12px;
}

.report-tag {
  font-size: 0.7rem;
  color: var(--accent-blue);
  font-weight: 700;
  text-transform: uppercase;
}

.report-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: #F8FAFC;
  margin: 2px 0 4px;
}

.report-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.report-action {
  font-size: 0.75rem;
  color: var(--accent-emerald);
  font-weight: 600;
}

/* Contact Section */
.contact-box {
  max-width: 650px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 40px;
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-input {
  width: 100%;
  background: rgba(7, 9, 19, 0.6);
  border: 1px solid var(--border-color);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-blue);
}

.textarea {
  resize: vertical;
}

.contact-footer-info {
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Footer */
.footer {
  padding: 32px 0;
  background: #04060C;
  border-top: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-heading { font-size: 2.8rem; }
  .about-grid, .services-grid { grid-template-columns: repeat(2, 1fr); }
  .lancet-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-menu, .nav-cta-group .btn { display: none; }
  .mobile-hamburger { display: block; }
  
  .nav-menu.mobile-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #070913;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
  }

  .hero-heading { font-size: 2.2rem; }
  .hero-actions { flex-direction: column; }
  .hero-stats-grid { grid-template-columns: 1fr; }
  
  .about-grid, .services-grid { grid-template-columns: 1fr; }
  .app-cta-banner { flex-direction: column; text-align: center; }
  .form-group-row { grid-template-columns: 1fr; }
  .lancet-card { padding: 24px; }
}