/* Presentation Styles for Minimarket System */

/* === PRESENTATION HERO === */
.presentation-page {
  background: var(--background-dark);
}

.presentation-hero {
  min-height: 100vh;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 255, 136, 0.1) 0%, transparent 50%);
  z-index: 1;
}

.code-lines {
  position: absolute;
  top: 50%;
  left: 10%;
  transform: translateY(-50%);
  font-family: var(--font-code);
  font-size: 0.9rem;
  color: rgba(0, 212, 255, 0.3);
  z-index: 1;
  line-height: 1.8;
}

.code-line {
  animation: typewriter 4s steps(40) infinite;
  white-space: nowrap;
  overflow: hidden;
}

.code-line:nth-child(2) { animation-delay: 0.5s; }
.code-line:nth-child(3) { animation-delay: 1s; }
.code-line:nth-child(4) { animation-delay: 1.5s; }
.code-line:nth-child(5) { animation-delay: 2s; }

@keyframes typewriter {
  0%, 90%, 100% { width: 100%; }
  0%, 10% { width: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  animation: slideInUp 1s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 25px;
  padding: 0.5rem 1rem;
  color: var(--accent-cyan);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 2rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 3rem;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 3rem;
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-modern.primary {
  background: var(--gradient-accent);
  color: var(--background-dark);
}

.btn-modern.secondary {
  background: transparent;
  color: var(--accent-cyan);
  border: 2px solid var(--accent-cyan);
}

.btn-modern.secondary:hover {
  background: var(--accent-cyan);
  color: var(--background-dark);
}

/* === OVERVIEW SECTION === */
.overview-section {
  background: var(--card-dark);
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.overview-card {
  background: var(--background-dark);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.overview-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-overlay);
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: 1;
}

.overview-card:hover::before {
  opacity: 1;
}

.overview-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-cyan);
  box-shadow: 0 15px 35px rgba(0, 212, 255, 0.2);
}

.overview-card > * {
  position: relative;
  z-index: 2;
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.overview-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.overview-card p {
  color: var(--text-muted);
  line-height: 1.6;
}

/* === FEATURES SECTION === */
.features-section {
  background: var(--primary-dark);
}

.features-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.feature-group {
  background: rgba(22, 33, 62, 0.3);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
}

.feature-group-title {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.feature-group-title i {
  color: var(--accent-cyan);
  font-size: 1.5rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.feature-item i {
  color: var(--accent-green);
  margin-top: 0.2rem;
  flex-shrink: 0;
}

/* === MODULES SECTION === */
.modules-section {
  background: var(--background-dark);
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.module-card {
  background: var(--card-dark);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition-smooth);
  animation: fadeInUp 0.6s ease-out;
}

.module-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-cyan);
  box-shadow: 0 10px 25px rgba(0, 212, 255, 0.15);
}

.module-header {
  background: var(--gradient-primary);
  padding: 1.5rem;
  text-align: center;
}

.module-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.module-header h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-light);
}

.module-content {
  padding: 1.5rem;
}

.module-content ul {
  list-style: none;
  padding: 0;
}

.module-content li {
  color: var(--text-muted);
  margin-bottom: 0.8rem;
  padding-left: 1.5rem;
  position: relative;
}

.module-content li::before {
  content: '▶';
  color: var(--accent-cyan);
  position: absolute;
  left: 0;
  font-size: 0.8rem;
}

/* === TECH SECTION === */
.tech-section {
  background: var(--card-dark);
}

.tech-stack {
  margin-top: 3rem;
}

.tech-layer {
  margin-bottom: 3rem;
}

.layer-title {
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 2rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tech-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.tech-item {
  background: var(--background-dark);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition-smooth);
}

.tech-item:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-3px);
}

.tech-logo {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.tech-item h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  color: var(--accent-cyan);
}

.tech-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* === BENEFITS SECTION === */
.benefits-section {
  background: var(--primary-dark);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.benefit-card {
  background: rgba(22, 33, 62, 0.3);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.benefit-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-overlay);
  opacity: 0;
  transition: var(--transition-smooth);
  z-index: 1;
}

.benefit-card:hover::before {
  opacity: 1;
}

.benefit-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-cyan);
}

.benefit-card > * {
  position: relative;
  z-index: 2;
}

.benefit-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.benefit-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.benefit-card p {
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.benefit-metric {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
  font-size: 1.1rem;
}

/* === CONTACT SECTION === */
.contact-section {
  background: var(--background-dark);
}

.contact-content {
  max-width: 800px;
  margin: 0 auto;
}

.contact-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.contact-option {
  background: var(--card-dark);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition-smooth);
}

.contact-option:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-5px);
}

.option-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.contact-option h4 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-option p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.contact-info-card {
  background: var(--card-dark);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 2rem;
  margin-top: 3rem;
}

.contact-info-card h4 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
}

.contact-detail i {
  color: var(--accent-cyan);
  font-size: 1.2rem;
  width: 20px;
  text-align: center;
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
  .code-lines {
    display: none;
  }
  
  .hero-stats {
    gap: 2rem;
  }
  
  .stat-number {
    font-size: 1.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-modern {
    width: 100%;
    max-width: 280px;
  }
  
  .features-container {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .modules-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .tech-items {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .contact-options {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .overview-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .overview-card,
  .feature-group,
  .module-card,
  .benefit-card,
  .contact-option {
    padding: 1.5rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === SCROLL INDICATOR === */
.scroll-indicator {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-cyan) 0%, var(--accent-green) 100%);
  transform-origin: left;
  transform: scaleX(0);
  z-index: 9999;
  transition: transform 0.3s ease;
}