/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: #333;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: #991f18;
}

.nav-logo i {
  font-size: 2rem;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: #991f18;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: #991f18;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: #333;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  background: linear-gradient(135deg, #991f18 0%, #e74c3c 100%);
  color: white;
  overflow: hidden;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.bg-shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  animation: float 8s ease-in-out infinite;
}

.shape-1 {
  width: 200px;
  height: 200px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
}

.shape-2 {
  width: 150px;
  height: 150px;
  top: 60%;
  right: 15%;
  animation-delay: 2s;
}

.shape-3 {
  width: 100px;
  height: 100px;
  bottom: 20%;
  left: 20%;
  animation-delay: 4s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

.football-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M40 0C17.9 0 0 17.9 0 40s17.9 40 40 40 40-17.9 40-40S62.1 0 40 0zm0 70c-16.5 0-30-13.5-30-30s13.5-30 30-30 30 13.5 30 30-13.5 30-30 30z'/%3E%3Cpath d='M40 20c-11 0-20 9-20 20s9 20 20 20 20-9 20-20-9-20-20-20zm0 30c-5.5 0-10-4.5-10-10s4.5-10 10-10 10 4.5 10 10-4.5 10-10 10z'/%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.1;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  z-index: 2;
  position: relative;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(45deg, #f59e0b, #ffb4a2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  line-height: 1.6;
}

.hero-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
}

.info-item i {
  color: #f59e0b;
  width: 20px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  background: #f59e0b;
  color: #fff;
}

.btn-primary:hover {
  background: #d97706;
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid #f59e0b;
}

.btn-secondary:hover {
  background: #f59e0b;
  color: white;
}

.btn-outline {
  background: transparent;
  color: #991f18;
  border: 2px solid #991f18;
}

.btn-outline:hover {
  background: #991f18;
  color: white;
}

.hero-image {
  position: relative;
}

.app-preview {
  position: relative;
}

.app-screenshot {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  border: 5px solid rgba(255, 255, 255, 0.2);
}

.floating-stats {
  position: absolute;
  bottom: -30px;
  right: -30px;
  display: flex;
  gap: 1rem;
}

.stat-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: float 6s ease-in-out infinite;
}

.stat-card i {
  font-size: 1.5rem;
  color: #f59e0b;
}

.stat-info h3 {
  font-size: 1.25rem;
  margin: 0;
}

.stat-info p {
  font-size: 0.8rem;
  margin: 0;
  opacity: 0.8;
}

/* Section Styles */
section {
  padding: 5rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  position: relative;
}

.section-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #991f18, #e74c3c);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin: 0 auto 1.5rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: #991f18;
}

.section-subtitle {
  font-size: 1.125rem;
  color: #6b7280;
  max-width: 600px;
  margin: 1.5rem auto 0;
}

/* Overview Section */
.overview {
  background: #f9fafb;
}

.overview-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  margin-bottom: 3rem;
}

.overview-text h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: #1f2937;
}

.objectives-list {
  list-style: none;
  margin-bottom: 2rem;
}

.objectives-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
  padding: 0.5rem 0;
}

.objectives-list i {
  color: #e74c3c;
  font-size: 1.2rem;
  margin-top: 0.2rem;
}

.project-scope {
  margin-top: 2rem;
}

.project-scope p {
  color: #6b7280;
  line-height: 1.7;
}

.overview-features h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: #1f2937;
}

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

.feature-card {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid #e5e7eb;
}

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

.feature-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #991f18, #e74c3c);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #1f2937;
}

.feature-card p {
  color: #6b7280;
  font-size: 0.9rem;
  line-height: 1.5;
}

.stats-section {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.stat-item {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: #991f18;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: #6b7280;
  font-weight: 500;
}

/* Team Section */
.team {
  background: white;
}

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

.team-member {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid #e5e7eb;
}

.team-member:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.1);
}

.member-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.member-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.member-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  /* background: linear-gradient(135deg, rgba(26, 71, 42, 0.9), rgba(34, 197, 94, 0.9)); */
  background: linear-gradient(135deg, rgba(153, 31, 24, 0.9), rgba(231, 76, 60, 0.9));
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.team-member:hover .member-overlay {
  opacity: 1;
}

.team-member:hover .member-image img {
  transform: scale(1.1);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.member-info {
  padding: 1.5rem;
}

.member-info h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #1f2937;
}

.member-role {
  color: #991f18;
  font-weight: 500;
  margin-bottom: 1rem;
}

.member-description {
  color: #6b7280;
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.member-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  background: #f3f4f6;
  /* color: #1f2937; */
  color: #991f18;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}

.team-info {
  display: flex;
  justify-content: center;
}

.team-card {
  background: white;
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 6px 8px rgba(0, 0, 0, 0.1);
  max-width: 500px;
  width: 100%;
}

.team-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: #1f2937;
  text-align: center;
}

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

.detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid #f3f4f6;
}

.detail-label {
  font-weight: 500;
  color: #6b7280;
}

.detail-value {
  font-weight: 600;
  color: #1f2937;
}
/* Contract Section */
.contract {
  background: #f9fafb;
}

.contract-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contract-rules h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 2rem;
  color: #1f2937;
}

.rules-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.rule-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.rule-number {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #991f18, #e74c3c);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  flex-shrink: 0;
}

.rule-content h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #1f2937;
}

.rule-content p {
  color: #6b7280;
  line-height: 1.6;
}

.contract-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contract-card {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.contract-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: #1f2937;
}

.contract-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid #f3f4f6;
}

.info-label {
  font-weight: 500;
  color: #6b7280;
}

.info-value {
  font-weight: 600;
  color: #1f2937;
}

.download-btn {
  width: 100%;
}

.meeting-schedule h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: #1f2937;
}

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

.schedule-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: #f9fafb;
  border-radius: 8px;
}

.schedule-item i {
  color: #991f18;
  width: 20px;
}

/* Progress Section */
.progress {
  background: white;
}

.progress-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
}

.tab-btn:hover {
  background: #f9fafb;
}

.tab-btn.active {
  background: #991f18;
  color: white;
  border-color: #991f18;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.overall-progress {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  margin-bottom: 3rem;
}

.overall-progress h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1f2937;
}

.progress-bar {
  position: relative;
  width: 100%;
  height: 20px;
  background: #f3f4f6;
  border-radius: 10px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #991f18, #e74c3c);
  border-radius: 10px;
  transition: width 1s ease;
}

.progress-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-weight: 600;
  color: white;
  font-size: 0.9rem;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.timeline-item {
  position: relative;
  padding-left: 3rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: -2rem;
  width: 2px;
  background: #e5e7eb;
}

.timeline-item:last-child::before {
  display: none;
}

.timeline-marker {
  position: absolute;
  left: -8px;
  top: 8px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 3px solid white;
  box-shadow: 0 0 0 2px #e5e7eb;
}

.timeline-item.completed .timeline-marker {
  background: #22c55e;
  box-shadow: 0 0 0 2px #22c55e;
}

.timeline-item.in-progress .timeline-marker {
  background: #f59e0b;
  box-shadow: 0 0 0 2px #f59e0b;
}

.timeline-item.upcoming .timeline-marker {
  background: #e5e7eb;
}

.timeline-content {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid #e5e7eb;
}

.timeline-content h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #1f2937;
}

.timeline-date {
  color: #6b7280;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.timeline-content ul {
  list-style: none;
  margin-bottom: 1rem;
}

.timeline-content li {
  padding: 0.25rem 0;
  color: #6b7280;
  position: relative;
  padding-left: 1rem;
}

.timeline-content li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #991f18;
}

.status-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.status-badge.completed {
  background: #fde2e1;
  color: #991f18;
}

.status-badge.in-progress {
  background: #fef3c7;
  color: #92400e;
}

.status-badge.upcoming {
  background: #f3f4f6;
  color: #374151;
}

.task-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.task-column {
  background: #f9fafb;
  border-radius: 12px;
  padding: 1.5rem;
}

.task-column h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1f2937;
  text-align: center;
}

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

.task-item {
  background: white;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  border-left: 4px solid #fde2e1;
}

.task-item h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #1f2937;
}

.task-item p {
  font-size: 0.8rem;
  color: #6b7280;
  margin-bottom: 0.5rem;
}


/* Design Section */
.design {
  background: #f9fafb;
}

/* Meetings Section */
.meetings {
  background: white;
}

.meeting-content {
  display: none;
}

.meeting-content.active {
  display: block;
}

.meeting-item {
  background: #f9fafb;
  padding: 2rem;
  border-radius: 12px;
  margin-bottom: 2rem;
  border: 1px solid #e5e7eb;
}

.meeting-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.meeting-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #1f2937;
}


.meeting-date {
  background: #991f18;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
}

.meeting-attendees {
  color: #6b7280;
  margin-bottom: 1.5rem;
  font-style: italic;
}

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

.meeting-section h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1f2937;
}

.meeting-section ul {
  list-style: none;
}

.meeting-section li {
  padding: 0.5rem 0;
  color: #6b7280;
  position: relative;
  padding-left: 1.5rem;
  line-height: 1.5;
}

.meeting-section li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #991f18;
  font-weight: bold;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.archive-month {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.archive-month h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1f2937;
}

.archive-month ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.archive-month li {
  display: grid;
  grid-template-columns: 1fr 50px 100px;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid #f3f4f6;
  color: #6b7280;
  background: transparent;
}

.archive-month li > span:first-child {
  /* Tiêu đề họp */
  font-weight: 500;
  color: #1f2937;
  overflow: visible;
  text-overflow: unset;
  white-space: normal;
  word-break: break-word;
  font-size: 0.97rem;
}
.archive-month li > span:nth-child(2) {
  color: #991f18;
  font-weight: 600;
  font-size: 0.93rem;
  text-align: center;
  white-space: nowrap;
}

.archive-btn {
  justify-self: end;
  min-width: unset;
  padding: 3px 5px;
  font-size: 0.85rem;
  border-radius: 6px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  line-height: 1.1;
  text-align: center;
  white-space: nowrap;
}
/* Deliverables Section */
.deliverables {
  background: #f9fafb;
}

.deliverables-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
}

.deliverable-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid #e5e7eb;
}

.main-demo {
  grid-column: 1;
}

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid #f3f4f6;
}

.card-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #1f2937;
}

.card-header p {
  color: #6b7280;
}

.demo-preview {
  position: relative;
  overflow: hidden;
}

.demo-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: rgba(26, 71, 42, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.play-overlay:hover {
  background: #991f18;
  transform: translate(-50%, -50%) scale(1.1);
}

.card-content {
  padding: 1.5rem;
}

.card-content p {
  color: #6b7280;
  line-height: 1.6;
}

.card-actions {
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  border-top: 1px solid #f3f4f6;
}

.card-actions .btn {
  flex: 1;
}

.repo-list {
  padding: 1.5rem;
}

.repo-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.repo-item:last-child {
  margin-bottom: 0;
}

.repo-item i {
  font-size: 1.5rem;
  color: #6b7280;
}

.repo-info {
  flex: 1;
}

.repo-info h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: #1f2937;
}

.repo-info p {
  font-size: 0.9rem;
  color: #6b7280;
}

.repo-status {
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 500;
}

.repo-status.public {
  /* background: #dcfce7;
  color: #166534; */
  background: #fde2e1;
  color: #991f18;
}

.deliverables-sections {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.deliverable-section {
  background: white;
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.deliverable-section h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: #1f2937;
}

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

.document-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.document-item:hover {
  background: #f9fafb;
}

.document-item i {
  color: #dc2626;
  margin-right: 0.75rem;
}

.download-btn {
  background: none;
  border: none;
  color: #1a472a;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.download-btn:hover {
  background: #f3f4f6;
}

.metrics-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.metric-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: #6b7280;
}

.metric-bar {
  position: relative;
  height: 20px;
  background: #f3f4f6;
  border-radius: 10px;
  overflow: hidden;
}

.metric-fill {
  height: 100%;
  /* background: linear-gradient(90deg, #1a472a, #22c55e); */
  background: linear-gradient(90deg, #991f18, #e74c3c);
  border-radius: 10px;
  transition: width 1s ease;
}

.metric-value {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  font-size: 0.8rem;
  font-weight: 600;
  color: white;
}
/* CSS cho slideshow chức năng sản phẩm */
.feature-slideshow {
  position: relative;
  width: 100%;
  /* max-width: 900px; */
  margin: 2rem auto 1rem auto;
  background: linear-gradient(120deg, #ff8c00 50%, #991f18 100%);
  border-radius: 16px;
  box-shadow: 0 2px 16px rgba(153, 31, 24, 0.10);
  overflow: hidden;
  min-height: 540px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #e74c3c;
}

.feature-slides {
  width: 100%;
  position: relative;
  min-height: 520px;
  background: rgba(231, 76, 60, 0.06);
  border-radius: 12px;
  padding: 1.5rem 0;
}

.feature-slide {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  height: 100%;
  animation: fadein 0.5s;
}

.feature-slide.active {
  display: flex;
}

.feature-slide img {
  width: auto;
  max-width: 800px;
  height: 100%;
  max-height: 815px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(153, 31, 24, 0.07);
}

.slide-caption {
  margin-top: 1rem;
  font-size: 1rem;
  color: #991f18;
  background: #e8c0be;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  display: inline-block;
  max-width: 90%;
}

.slide-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: #991f18;
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0.85;
  z-index: 2;
  transition: background 0.2s;
}

.slide-btn.prev {
  left: 10px;
}

.slide-btn.next {
  right: 10px;
}

.slide-btn:hover {
  background: #e74c3c;
}

.feature-slide-desc {
  text-align: center;
  margin-top: 0.5rem;
  color: #991f18;
  font-size: 0.97rem;
}

@keyframes fadein {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Footer */
.footer {
  background: #1f2937;
  color: white;
  padding: 3rem 0 1rem;
  position: relative;
  overflow: hidden;
}

.footer-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M40 0C17.9 0 0 17.9 0 40s17.9 40 40 40 40-17.9 40-40S62.1 0 40 0zm0 70c-16.5 0-30-13.5-30-30s13.5-30 30-30 30 13.5 30 30-13.5 30-30 30z'/%3E%3Cpath d='M40 20c-11 0-20 9-20 20s9 20 20 20 20-9 20-20-9-20-20-20zm0 30c-5.5 0-10-4.5-10-10s4.5-10 10-10 10 4.5 10 10-4.5 10-10 10z'/%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.1;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
  position: relative;
  z-index: 1;
}

.footer-section h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: white;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-logo i {
  /* color: #22c55e; */
  color: #e74c3c;
}

.footer-section p {
  color: #9ca3af;
  margin-bottom: 1rem;
  line-height: 1.6;
}

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

.footer-section li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: #9ca3af;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: white;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 1rem;
  text-align: center;
  color: #9ca3af;
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  /* background: #1a472a; */
  background: #991f18;
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all 0.3s ease;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.back-to-top:hover {
  /* background: #22c55e; */
  background: #e74c3c;
  transform: translateY(-2px);
}

/* Feature Tabs */
.features-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.feature-tab {
  padding: 0.75rem 1.5rem;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
}

.feature-tab:hover {
  background: #f9fafb;
}

.feature-tab.active {
  /* background: #1a472a; */
  background: #991f18;
  color: white;
  /* border-color: #1a472a; */
  border-color: #991f18;
}

.feature-content {
  display: none;
}

.feature-content.active {
  display: block;
}

.feature-showcase {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  margin-bottom: 3rem;
}

.feature-showcase-header {
  padding: 2rem;
  /* background: linear-gradient(135deg, #1a472a, #22c55e); */
  background: linear-gradient(135deg, #991f18, #e74c3c);
  color: white;
}

.feature-showcase-header h3 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.feature-showcase-header p {
  opacity: 0.9;
  max-width: 800px;
}

.feature-showcase-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding: 2rem;
}

.feature-showcase-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.feature-showcase-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.feature-description h4,
.feature-capabilities h4,
.feature-tech-stack h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1f2937;
}

.feature-description p {
  color: #6b7280;
  line-height: 1.7;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.feature-list i {
  /* color: #22c55e; */
  color: #e74c3c;
  font-size: 1.2rem;
  margin-top: 0.2rem;
}

.feature-list h5 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: #1f2937;
}

.feature-list p {
  color: #6b7280;
  font-size: 0.95rem;
  line-height: 1.5;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tech-tag {
  background: #f3f4f6;
  /* color: #1f2937; */
  color: #991f18;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}

/* CSS cho slideshow chức năng sản phẩm */
.feature-slideshow {
  position: relative;
  width: 100%;
  /* max-width: 900px; */
  margin: 2rem auto 1rem auto;
  background: linear-gradient(120deg, #ff8c00 50%, #991f18 100%);
  border-radius: 16px;
  box-shadow: 0 2px 16px rgba(153, 31, 24, 0.10);
  overflow: hidden;
  min-height: 540px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #e74c3c;
}

.feature-slides {
  width: 100%;
  position: relative;
  min-height: 520px;
  background: rgba(231, 76, 60, 0.06);
  border-radius: 12px;
  padding: 1.5rem 0;
}

.feature-slide {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  height: 100%;
  animation: fadein 0.5s;
}

.feature-slide.active {
  display: flex;
}

.feature-slide img {
  width: auto;
  max-width: 800px;
  height: 100%;
  max-height: 815px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(153, 31, 24, 0.07);
}

.slide-caption {
  margin-top: 1rem;
  font-size: 1rem;
  color: #991f18;
  background: #e8c0be;
  border-radius: 8px;
  padding: 0.5rem 1rem;
  display: inline-block;
  max-width: 90%;
}

.slide-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: #991f18;
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0.85;
  z-index: 2;
  transition: background 0.2s;
}

.slide-btn.prev {
  left: 10px;
}

.slide-btn.next {
  right: 10px;
}

.slide-btn:hover {
  background: #e74c3c;
}

.feature-slide-desc {
  text-align: center;
  margin-top: 0.5rem;
  color: #991f18;
  font-size: 0.97rem;
}

@keyframes fadein {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu li {
    margin: 1rem 0;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .overview-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .stats-section {
    grid-template-columns: repeat(2, 1fr);
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .contract-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .design-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .design-methods {
    grid-template-columns: 1fr;
  }

  .design-system {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .task-board {
    grid-template-columns: 1fr;
  }

  .meeting-details {
    grid-template-columns: 1fr;
  }

  .deliverables-grid {
    grid-template-columns: 1fr;
  }

  .deliverables-sections {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }

  .archive-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .stats-section {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .card-actions {
    flex-direction: column;
  }

  .floating-stats {
    position: static;
    justify-content: center;
    margin-top: 1rem;
  }
}

/* Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

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

/* Utility Classes */
.text-center {
  text-align: center;
}

.hidden {
  display: none;
}

@media (max-width: 1024px) {
  .archive-grid {
    grid-template-columns: 1fr;
  }
}