/* ==========================================================================
   ENERG+ Website Stylesheet
   Developed for a modern, elegant, and clear presentation.
   ========================================================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

/* Design Tokens (CSS Custom Properties) */
:root {
  /* Color Palette */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-bg-dark: #0f172a;
  --color-bg-dark-secondary: #1e293b;
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-light: #f8fafc;
  --color-text-muted: #94a3b8;
  
  /* Brand Accent Colors */
  --color-accent-primary: #10b981; /* Emerald Green */
  --color-accent-primary-hover: #059669;
  --color-accent-secondary: #f59e0b; /* Amber Gold */
  --color-accent-secondary-hover: #d97706;
  --color-brand-blue: #3b82f6; /* Soft Blue */
  
  /* Visual Details */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-bg-dark: rgba(15, 23, 42, 0.7);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-border-dark: rgba(255, 255, 255, 0.05);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
  --glass-shadow-dark: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max-width: 1200px;
}

/* Base Styles & Resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: 'Inter', sans-serif;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  padding-top: 0; /* Remove top offset so hero section bleeds behind transparent header */
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

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

button, input, select, textarea {
  font-family: inherit;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: var(--color-text-muted);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-secondary);
}

/* Typography & General Classes */
.text-accent {
  color: var(--color-accent-primary);
}
.text-gold {
  color: var(--color-accent-secondary);
}
.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
  color: var(--color-text-primary);
}
.section-subtitle {
  font-size: 1.1rem;
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem auto;
  color: var(--color-text-secondary);
}
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.btn-primary {
  background: var(--color-accent-primary);
  color: var(--color-text-light);
}
.btn-primary:hover {
  background: var(--color-accent-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}
.btn-secondary {
  background: var(--color-accent-secondary);
  color: var(--color-bg-dark);
}
.btn-secondary:hover {
  background: var(--color-accent-secondary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}
.btn-outline {
  background: transparent;
  color: var(--color-text-light);
  border: 2px solid var(--color-text-light);
}
.btn-outline:hover {
  background: var(--color-text-light);
  color: var(--color-bg-dark);
  transform: translateY(-2px);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent; /* transparent at the top */
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  height: 120px; /* enlarged header height */
  transition: var(--transition-smooth);
}

header .nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo-link {
  display: block;
  position: relative;
  height: 60px;
  width: 200px;
}

.logo-img {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 100%;
  width: auto;
  object-fit: contain;
  transition: var(--transition-smooth);
}

.logo-default {
  opacity: 0; /* hidden at the top */
}

.logo-white {
  opacity: 1; /* visible at the top */
}

.logo-img:hover {
  transform: translateY(-50%) scale(1.03);
}

nav ul {
  display: flex;
  gap: 0.8rem;
  list-style: none;
  align-items: center;
  position: relative;
}

nav a.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.95); /* white at the top */
  padding: 0.5rem 0.9rem;
  border-radius: 50px;
  transition: var(--transition-smooth);
  z-index: 2;
}

nav a.nav-link:hover, nav a.nav-link.active {
  color: var(--color-accent-primary);
}

/* Indicator glisant de fundal */
.nav-pill {
  position: absolute;
  background: rgba(255, 255, 255, 0.1); /* light pill at the top */
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50px;
  transition: all 0.35s cubic-bezier(0.25, 1, 0.5, 1);
  pointer-events: none;
  z-index: 1;
  height: 36px;
  opacity: 0;
  top: 50%;
  transform: translateY(-50%);
}

.nav-pill.active {
  opacity: 1;
}

/* JS Fallback shrunk header styles (when scrolled) */
header.shrunk {
  height: 80px; /* larger shrunk height */
  background: rgba(255, 255, 255, 0.95); /* white glass on scroll */
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: var(--glass-shadow);
}

header.shrunk .logo-default {
  opacity: 1; /* show colored logo */
}

header.shrunk .logo-white {
  opacity: 0; /* hide white logo */
}

header.shrunk nav a.nav-link {
  color: var(--color-text-secondary); /* dark text on scroll */
}

header.shrunk .nav-pill {
  background: rgba(16, 185, 129, 0.08); /* green active pill on scroll */
  border: 1px solid rgba(16, 185, 129, 0.15);
}

header.shrunk .mobile-nav-toggle span {
  background: var(--color-bg-dark); /* dark toggle bars on scroll */
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1100;
}

.mobile-nav-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: #ffffff; /* white at the top */
  margin: 5px 0;
  transition: var(--transition-smooth);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.82) 50%, rgba(15, 23, 42, 0.45) 100%), 
              url('assets/hero-bg.webp');
  background-size: cover;
  background-position: center;
  color: var(--color-text-light);
  min-height: 95vh;
  display: flex;
  align-items: center;
  padding: 8rem 0;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -150px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.18) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
  filter: blur(50px);
  z-index: 1;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -200px;
  left: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.06) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
  filter: blur(60px);
  z-index: 1;
}

.hero .grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.hero-tag {
  display: inline-block;
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-accent-primary);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.hero h1 {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 1rem;
  font-weight: 800;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 1.6rem;
  font-weight: 500;
  margin-top: 0;
  margin-bottom: 1.5rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.3;
}

.hero-desc {
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  color: var(--color-text-muted);
  font-weight: 300;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.hero-image-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
}

@keyframes floatHero {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-12px);
  }
  100% {
    transform: translateY(0px);
  }
}

/* Glassmorphic Spec Card */
.hero-glass-card {
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-md);
  padding: 2.5rem;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  animation: floatHero 6s ease-in-out infinite;
  transition: var(--transition-smooth);
}

.hero-glass-card:hover {
  transform: scale(1.02);
  animation-play-state: paused;
  border-color: rgba(16, 185, 129, 0.3);
  box-shadow: 0 25px 60px rgba(16, 185, 129, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.glass-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 1rem;
}

.glass-card-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-light);
  margin: 0;
}

.badge-icon {
  font-size: 2rem;
  color: var(--color-accent-primary);
}

.glass-card-features {
  list-style: none;
  margin-bottom: 2rem;
  padding: 0;
}

.glass-card-features li {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-align: left;
}

.glass-card-features li i {
  font-size: 1rem;
  color: var(--color-accent-primary);
}

.glass-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.version-tag {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-accent-primary);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-weight: 600;
}

.platform-tag i {
  margin-right: 0.3rem;
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.features {
  padding: 7rem 0;
  background: var(--color-bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.feature-card {
  background: var(--color-bg-primary);
  padding: 3rem 2.5rem;
  border-radius: var(--border-radius-md);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.03);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--color-accent-primary);
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.feature-card:hover::before {
  height: 100%;
}

.feature-icon {
  width: 50px;
  height: 50px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-sm);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon {
  background: var(--color-accent-primary);
  color: var(--color-text-light);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--color-bg-dark);
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* ==========================================================================
   Details / About Section
   ========================================================================== */
.about {
  padding: 7rem 0;
}

.about .grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 5rem;
  align-items: center;
}

.about-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--color-bg-dark);
}

.about-content p {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.about-highlight {
  border-left: 3px solid var(--color-accent-primary);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--color-bg-dark-secondary);
  font-weight: 500;
}

.about-graphic {
  position: relative;
  display: flex;
  justify-content: center;
}

.energy-scale-img {
  width: 100%;
  max-width: 480px;
  border-radius: var(--border-radius-md);
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  border: 1px solid rgba(0,0,0,0.05);
}

/* ==========================================================================
   Interactive Timeline (Etape)
   ========================================================================== */
.timeline-section {
  padding: 7rem 0;
  background: var(--color-bg-secondary);
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::after {
  content: '';
  position: absolute;
  width: 2px;
  background: var(--color-text-muted);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -1px;
}

.timeline-item {
  padding: 10px 40px;
  position: relative;
  background-color: inherit;
  width: 50%;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  right: -8px;
  background-color: var(--color-bg-primary);
  border: 4px solid var(--color-accent-primary);
  top: 15px;
  border-radius: 50%;
  z-index: 1;
}

.timeline-left {
  left: 0;
}

.timeline-right {
  left: 50%;
}

.timeline-right::after {
  left: -8px;
}

.timeline-content {
  padding: 1.8rem;
  background-color: var(--color-bg-primary);
  position: relative;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0,0,0,0.02);
}

.timeline-date {
  font-weight: 700;
  color: var(--color-accent-primary);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.timeline-content h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--color-bg-dark);
}

.timeline-content p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Videos Section
   ========================================================================== */
.videos-section {
  padding: 7rem 0;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 3rem;
}

.video-card {
  background: var(--color-bg-primary);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  border: 1px solid rgba(0,0,0,0.02);
}

.video-iframe-container {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
  overflow: hidden;
}

.video-iframe-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-info {
  padding: 2rem;
}

.video-info h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--color-bg-dark);
}

.video-info p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* ==========================================================================
   Pricing Section (Oferta)
   ========================================================================== */
.pricing {
  padding: 7rem 0;
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.pricing-toggle {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

.pricing-toggle-label {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.pricing-toggle-label.active {
  color: var(--color-accent-primary);
}

.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

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

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-text-muted);
  transition: .4s;
  border-radius: 34px;
}

.slider::before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--color-accent-primary);
}

input:checked + .slider::before {
  transform: translateX(26px);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
}

.pricing-card {
  background: var(--color-bg-primary);
  border-radius: var(--border-radius-md);
  padding: 3rem 2rem;
  border: 1px solid rgba(0,0,0,0.05);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-smooth);
}

.pricing-card.popular {
  border: 2px solid var(--color-accent-primary);
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.15);
}

.pricing-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--color-accent-primary);
  color: var(--color-text-light);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
  text-transform: uppercase;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08);
}

.pricing-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
  color: var(--color-bg-dark);
}

.pricing-target {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 600;
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.price-container {
  display: flex;
  align-items: baseline;
  margin-bottom: 2.5rem;
}

.price-currency {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-bg-dark);
}

.price-amount {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-bg-dark);
  line-height: 1;
}

.price-period {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-left: 0.4rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 3rem;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pricing-features li i {
  color: var(--color-accent-primary);
  font-size: 1.1rem;
}

.pricing-card .btn {
  width: 100%;
}

.pricing-note {
  grid-column: 1 / -1;
  text-align: center;
  margin-top: 3.5rem;
  padding: 2rem;
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius-sm);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  border: 1px dashed var(--color-text-muted);
}

.pricing-card-group {
  display: contents; /* Fallback for older browsers */
}

/* Toggle States */
.price-lifetime {
  display: none !important;
}

body.show-lifetime .price-upgradable {
  display: none !important;
}

body.show-lifetime .price-lifetime {
  display: flex !important;
}

/* ==========================================================================
   Testimonial Section
   ========================================================================== */
.testimonial-section {
  padding: 8rem 0;
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, #0b111e 100%);
  color: var(--color-text-light);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.testimonial-section::before {
  content: '\201C';
  position: absolute;
  top: 10%;
  left: 10%;
  font-size: 15rem;
  font-family: serif;
  color: rgba(255,255,255,0.03);
  line-height: 0;
}

.testimonial-container {
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-quote {
  font-size: 1.5rem;
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 3rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
}

.author-img {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  border: 3px solid var(--color-accent-primary);
  object-fit: cover;
}

.author-info {
  text-align: left;
}

.author-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-light);
}

.author-role {
  font-size: 0.85rem;
  color: var(--color-accent-primary);
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   Partners/Sustinatori Section
   ========================================================================== */
.partners-section {
  padding: 6rem 0;
  background-color: var(--color-bg-secondary);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.partner-section-title {
  text-align: center;
  font-size: 2.2rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--color-bg-dark);
  margin-bottom: 3.5rem;
  position: relative;
}

.partner-section-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--color-accent-primary);
  border-radius: 2px;
}

/* Developer Block */
.developer-block {
  margin-bottom: 6rem;
  text-align: center;
}

.developer-card {
  background: var(--color-bg-primary);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--border-radius-md);
  padding: 3rem;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.02);
  display: flex;
  align-items: center;
  gap: 3.5rem;
  max-width: 950px;
  margin: 0 auto;
  text-align: left;
}

.developer-logo-container {
  flex-shrink: 0;
  width: 260px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.dev-logo {
  width: 100%;
  max-height: 120px;
  object-fit: contain;
}

.developer-text p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0;
}

/* Supporters Grid */
.supporters-block {
  margin-bottom: 6rem;
}

.supporters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

.supporter-card {
  background: var(--color-bg-primary);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--border-radius-md);
  padding: 2.5rem;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.02);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.supporter-card:hover {
  transform: translateY(-8px);
  border-color: rgba(16, 185, 129, 0.2);
  box-shadow: 0 20px 45px rgba(16, 185, 129, 0.05);
}

.supporter-logo-wrap {
  height: 80px;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 1.8rem;
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-sm);
  padding: 1rem;
}

.supporter-logo-wrap a {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  width: 100%;
}

.supporter-logo {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  transition: var(--transition-smooth);
}

.supporter-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-bg-dark);
  margin-bottom: 1.2rem;
  line-height: 1.4;
  height: 48px; /* Fixed height to align text blocks */
  display: flex;
  align-items: center;
  justify-content: center;
}

.supporter-card p {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  text-align: justify;
  margin: 0;
}

/* Partnership block at the bottom */
.partnership-block {
  text-align: center;
}

.partners-carousel {
  background: var(--color-bg-primary);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--border-radius-md);
  padding: 2.5rem;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.02);
  max-width: 950px;
  margin: 0 auto;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.carousel-item {
  flex-shrink: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.carousel-item img {
  height: 100px;
  max-width: 220px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.8;
  transition: var(--transition-smooth);
}

.carousel-item img:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.05);
}

@media (max-width: 992px) {
  .developer-card {
    flex-direction: column;
    padding: 2.5rem;
    gap: 2rem;
    text-align: center;
  }
  .developer-logo-container {
    width: 200px;
  }
  .supporter-card h3 {
    height: auto;
    margin-bottom: 1rem;
  }
}

/* ==========================================================================
   Order Form & Contact Section
   ========================================================================== */
.contact-section {
  padding: 7rem 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 5rem;
}

.order-form-container {
  background: var(--color-bg-secondary);
  padding: 3.5rem 3rem;
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(0,0,0,0.03);
}

.form-title {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  color: var(--color-bg-dark);
}

.form-subtitle {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  position: relative;
  margin-bottom: 1.5rem;
}

.form-group-full {
  grid-column: 1 / -1;
}

/* Floating Label Form Fields */
.form-input {
  width: 100%;
  padding: 1rem 1rem;
  font-size: 1rem;
  border: 1.5px solid var(--color-text-muted);
  border-radius: var(--border-radius-sm);
  background: var(--color-bg-primary);
  outline: none;
  transition: var(--transition-smooth);
}

.form-label {
  position: absolute;
  left: 1rem;
  top: 1rem;
  color: var(--color-text-secondary);
  font-size: 1rem;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  top: -0.6rem;
  left: 0.8rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0 0.4rem;
  background: var(--color-bg-secondary);
  color: var(--color-accent-primary);
}

.form-input:focus {
  border-color: var(--color-accent-primary);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

/* User-valid styles */
.form-input:user-valid {
  border-color: var(--color-accent-primary);
}

.form-input:user-invalid {
  border-color: #ef4444;
}

.form-checkboxes {
  margin-top: 0.5rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.8rem;
  cursor: pointer;
}

.checkbox-label input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent-primary);
}

.form-gdpr {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-top: 1rem;
}

.form-gdpr a {
  color: var(--color-accent-primary);
  font-weight: 500;
  text-decoration: underline;
}

.form-submit-container {
  margin-top: 2rem;
}

.form-submit-container .btn {
  width: 100%;
  padding: 1rem;
  font-size: 1.05rem;
}

/* Contact Info Column */
.contact-info-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.info-block h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--color-bg-dark);
}

.info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.info-item i {
  color: var(--color-accent-primary);
  font-size: 1.2rem;
  margin-top: 0.2rem;
}

.map-container {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  border: 1px solid rgba(0,0,0,0.05);
  height: 250px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
  background: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: 4rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

footer .grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-links h4, .footer-social h4 {
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
  color: var(--color-accent-primary);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.8rem;
}

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

.footer-links a:hover {
  color: var(--color-accent-primary);
  padding-left: 5px;
}

.social-icons {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition-smooth);
}

.social-icon:hover {
  background: var(--color-accent-primary);
  color: var(--color-text-light);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Scroll Entrance Animation Effects
   ========================================================================== */
/* Scroll reveal animations disabled for constant maximum contrast */

/* ==========================================================================
   Responsive Design Media Queries
   ========================================================================== */
@media (max-width: 992px) {
  body {
    padding-top: 0;
  }
  header {
    height: 80px;
  }
  .hero .grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .hero h1 {
    font-size: 2.8rem;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-img {
    transform: none;
  }
  .hero-img:hover {
    transform: none;
  }
  .about .grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .timeline::after {
    left: 31px;
  }
  .timeline-item {
    width: 100%;
    padding-left: 70px;
    padding-right: 25px;
  }
  .timeline-item::after {
    left: 23px;
  }
  .timeline-right {
    left: 0%;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
  }
}

@media (max-width: 768px) {
  /* Mobile Header Style Force solid dark */
  header {
    background: #0f172a !important; /* solid dark background */
    height: 70px !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
  }
  
  header .logo-link {
    height: 40px !important;
    width: 140px !important;
  }

  header .logo-white {
    opacity: 1 !important; /* always white logo */
  }

  header .logo-default {
    opacity: 0 !important; /* always hide default colored logo on mobile */
  }

  header .mobile-nav-toggle span {
    background: #ffffff !important; /* always white hamburger toggle bars */
  }

  /* Navigation Menu toggle logic */
  nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: #0f172a; /* match dark header background */
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: var(--transition-smooth);
    z-index: 999;
  }
  nav.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  nav a.nav-link {
    color: rgba(255, 255, 255, 0.85) !important; /* white links inside dark mobile drawer */
  }
  nav a.nav-link:hover, nav a.nav-link.active {
    color: var(--color-accent-primary) !important;
  }
  nav ul {
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
  }
  nav ul .nav-pill {
    display: none;
  }
  .mobile-nav-toggle {
    display: block;
  }
  /* Mobile Hamburger Animation */
  .mobile-nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
  }
  .mobile-nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .mobile-nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
  }
  .section-title {
    font-size: 2rem;
  }
  .video-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  footer .grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* ==========================================================================
   Comparison Table & Accordion Details
   ========================================================================== */
.comparison-container {
  margin-top: 4rem;
  width: 100%;
}

.comparison-details {
  background: var(--color-bg-primary);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--border-radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.comparison-details[open] {
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.08);
  border-color: rgba(16, 185, 129, 0.25);
}

.comparison-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.8rem 2.5rem;
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-bg-dark);
  cursor: pointer;
  list-style: none; /* Hide default arrow */
  background: var(--color-bg-secondary);
  transition: var(--transition-smooth);
}

.comparison-summary::-webkit-details-marker {
  display: none; /* Hide default Safari arrow */
}

.comparison-summary:hover {
  background: rgba(16, 185, 129, 0.04);
  color: var(--color-accent-primary);
}

.comparison-summary i.arrow {
  transition: transform 0.3s ease;
  font-size: 1.1rem;
  color: var(--color-text-secondary);
}

.comparison-details[open] .comparison-summary i.arrow {
  transform: rotate(180deg);
  color: var(--color-accent-primary);
}

.comparison-summary span {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  padding: 1.5rem 2.5rem 2.5rem 2.5rem;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.95rem;
  text-align: left;
}

.comparison-table th, .comparison-table td {
  padding: 1.1rem 1.2rem;
  border-bottom: 1px solid #cbd5e1; /* darker border for rows */
}

.comparison-table td {
  color: #0f172a !important; /* solid high-contrast dark text */
  font-weight: 500;
  font-size: 0.95rem;
}

.comparison-table th {
  background-color: #f1f5f9; /* darker table header background */
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  color: #0f172a !important;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.comparison-table th.col-feature {
  width: 50%;
}

.comparison-table th.col-upg, .comparison-table th.col-life {
  text-align: center;
  width: 25%;
}

.comparison-table td.cell-check {
  text-align: center;
}

.comparison-table tr:hover {
  background-color: #f1f5f9; /* clear hover row background */
}

/* Row separation styles for add-ons */
.comparison-table tr.row-separator {
  border-top: 3px solid #059669; /* solid green separator line */
  background-color: rgba(16, 185, 129, 0.05);
}

.comparison-table tr.row-separator td {
  font-weight: 700;
  color: #059669 !important;
  font-size: 1.05rem;
}

.cell-icon-check {
  color: #059669 !important; /* vibrant emerald green checkmark */
  font-size: 1.4rem;
}

.cell-icon-cross {
  color: #e11d48 !important; /* vibrant red crossmark */
  font-size: 1.25rem;
}

.addon-badge {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-accent-secondary-hover);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  margin-left: 0.5rem;
  display: inline-block;
}

@media (max-width: 768px) {
  .comparison-summary {
    padding: 1.2rem 1.5rem;
    font-size: 1.1rem;
  }
  .table-responsive {
    padding: 1rem 1.5rem 1.5rem 1.5rem;
  }
}