body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', Arial, sans-serif;
  background: #10151b;
  color: #fff;
  min-height: 100vh;
}

header {
  display: flex;
  align-items: center;
  padding: 32px 48px 0 48px;
  line-height: 1;
}

header a {
  display: flex;
  align-items: center;
}

.header-left {
  display: flex;
  align-items: center;
}

.app-brand {
  display: flex;
  align-items: center;
  margin-right: 40px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-nav a {
  color: #b0b8c1;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.header-nav a:hover {
  color: white;
  background: rgba(38, 166, 154, 0.1);
}

.header-nav a.active {
  color: white;
  background: rgba(38, 166, 154, 0.2);
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  margin-right: 12px;
}

.app-name {
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 700;
  letter-spacing: 1px;
  font-size: 1.7rem;
  color: #26a69a;
  line-height: 1;
}

.app-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  margin-right: 12px;
  object-fit: contain;
}

/* Main Layout */
main {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 48px 0 48px;
  min-height: 70vh;
}

/* Hero Section */
.hero {
  max-width: 480px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.1;
}

.subheadline {
  font-size: 1.1rem;
  color: #b0b8c1;
  margin-bottom: 32px;
}

.description {
  color: #b0b8c1;
  margin-bottom: 32px;
}

.store-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: center;
}

.store-btn img {
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  transition: transform 0.15s;
}

.store-btn img:hover {
  transform: scale(1.05);
}

.mockups {
  display: flex;
  gap: 32px;
}

.phone-mockup {
  width: 220px;
  height: 440px;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  object-fit: contain;
  background: #181d23;
}

.screens-container {
  display: flex;
  align-items: flex-end;
  position: relative;
  margin-top: 64px;
}

.screens-scroll {
  display: flex;
  align-items: flex-end;
}

.screens-img {
  width: 180px;
  height: auto;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  object-fit: cover;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin-left: -20px;
}

.screens-img:first-child {
  margin-left: 0;
}

.screens-img:nth-child(odd) {
  transform: translateY(-12px);
}

.screens-img:hover {
  transform: translateY(-20px) scale(1.05);
  box-shadow: 0 16px 48px rgba(38, 166, 154, 0.25);
  z-index: 10;
}

/* Support Page Styles */
.support-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  min-height: auto;
}

.support-header {
  text-align: center;
  margin-bottom: 2rem;
}

.support-card {
  background: #181d23;
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease;
}

.support-card:hover {
  transform: translateY(-4px);
}

.support-card h2 {
  color: #5856D6;
  margin-top: 0;
  margin-bottom: 1rem;
  text-align: center;
}

.support-card p {
  color: #b0b8c1;
  line-height: 1.6;
}

.contact-methods {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  padding: 1rem;
  background: #10151b;
  border-radius: 8px;
  transition: background 0.2s ease;
}

.contact-item:hover {
  background: #1a2027;
}

.contact-icon {
  width: 24px;
  height: 24px;
  margin-right: 16px;
  filter: invert(55%) sepia(12%) saturate(267%) hue-rotate(179deg) brightness(87%) contrast(84%);
}

.btn-primary {
  display: block;
  width: max-content;
  margin: 1.5rem auto 0;
  background: #5856D6;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: transform 0.15s, background 0.3s;
  text-align: center;
}

.btn-primary:hover {
  background: #4845c2;
  transform: scale(1.05);
}

.faq-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  padding: 1rem;
  background: #10151b;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  transition: background 0.2s ease;
}

.faq-item:hover {
  background: #1a2027;
}

.faq-question {
  font-weight: bold;
  margin-bottom: 0.75rem;
  color: white;
}

/* Technical Page Styles */
.technical-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 48px 48px 80px 48px;
  line-height: 1.6;
}

.tech-hero {
  text-align: center;
  margin-bottom: 64px;
}

.tech-hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: #fff;
}

.tech-hero .subtitle {
  font-size: 1.3rem;
  color: #b0b8c1;
  margin-bottom: 32px;
}

.tech-badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.badge {
  background: rgba(38, 166, 154, 0.1);
  border: 1px solid rgba(38, 166, 154, 0.3);
  color: #26a69a;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}

.section {
  margin-bottom: 64px;
}

.section h2 {
  font-size: 2.2rem;
  margin-bottom: 24px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section h3 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: #26a69a;
}

.section p {
  color: #b0b8c1;
  margin-bottom: 20px;
}

.architecture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin: 32px 0;
}

.arch-card {
  background: rgba(26, 32, 39, 0.6);
  border: 1px solid rgba(38, 166, 154, 0.2);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.3s ease;
}

.arch-card:hover {
  border-color: rgba(38, 166, 154, 0.4);
  transform: translateY(-2px);
}

.arch-card h4 {
  color: #26a69a;
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.arch-card p {
  color: #b0b8c1;
  font-size: 0.95rem;
  margin: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin: 32px 0;
}

.stat-card {
  background: linear-gradient(135deg, rgba(38, 166, 154, 0.1), rgba(77, 182, 172, 0.05));
  border: 1px solid rgba(38, 166, 154, 0.2);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: #26a69a;
  display: block;
}

.stat-label {
  color: #b0b8c1;
  font-size: 0.9rem;
  margin-top: 8px;
}

.code-block {
  background: #1a2027;
  border: 1px solid #2d3748;
  border-radius: 8px;
  padding: 20px;
  margin: 24px 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  overflow-x: auto;
}

.tech-stack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin: 32px 0;
}

.tech-item {
  background: rgba(26, 32, 39, 0.4);
  border-left: 4px solid #26a69a;
  padding: 20px;
  border-radius: 0 8px 8px 0;
}

.tech-item h4 {
  color: #fff;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.tech-item p {
  color: #b0b8c1;
  font-size: 0.9rem;
  margin: 0;
}

.cta-section {
  background: linear-gradient(135deg, rgba(38, 166, 154, 0.1), rgba(77, 182, 172, 0.05));
  border: 1px solid rgba(38, 166, 154, 0.2);
  border-radius: 16px;
  padding: 48px;
  text-align: center;
  margin: 64px 0;
}

.cta-section h3 {
  font-size: 2rem;
  margin-bottom: 16px;
  color: #fff;
}

.cta-section p {
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.github-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #26a69a;
  color: #fff;
  text-decoration: none;
  padding: 16px 32px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.github-btn:hover {
  background: #4db6ac;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(38, 166, 154, 0.3);
}

.coverage-table {
  background: rgba(26, 32, 39, 0.6);
  border-radius: 12px;
  overflow: hidden;
  margin: 24px 0;
}

.coverage-table table {
  width: 100%;
  border-collapse: collapse;
}

.coverage-table th,
.coverage-table td {
  padding: 16px;
  text-align: left;
  border-bottom: 1px solid rgba(38, 166, 154, 0.1);
}

.coverage-table th {
  background: rgba(38, 166, 154, 0.1);
  color: #26a69a;
  font-weight: 600;
}

.coverage-table td {
  color: #b0b8c1;
}

.coverage-percentage {
  color: #26a69a;
  font-weight: 600;
}

.diagram-container {
  text-align: center;
  margin: 32px 0;
  background: rgba(26, 32, 39, 0.6);
  border: 1px solid rgba(38, 166, 154, 0.2);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.3s ease;
}

.diagram-container:hover {
  border-color: rgba(38, 166, 154, 0.4);
}

.diagram-container img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.diagram-caption {
  color: #b0b8c1;
  font-size: 0.9rem;
  margin-top: 16px;
  font-style: italic;
}

.kanban-container {
  background: rgba(26, 32, 39, 0.6);
  border: 1px solid rgba(38, 166, 154, 0.2);
  border-radius: 12px;
  padding: 24px;
  margin: 32px 0;
  transition: all 0.3s ease;
}

.kanban-container:hover {
  border-color: rgba(38, 166, 154, 0.4);
}

.kanban-container img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.kanban-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #26a69a;
  text-decoration: none;
  font-weight: 500;
  margin-top: 16px;
  transition: color 0.2s ease;
}

.kanban-link:hover {
  color: #4db6ac;
}

/* Terms & Conditions Page Styles */
.terms-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 48px 48px 80px 48px;
  line-height: 1.6;
}

.terms-hero {
  text-align: center;
  margin-bottom: 64px;
}

.terms-hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: #fff;
}

.terms-hero .subtitle {
  font-size: 1.3rem;
  color: #b0b8c1;
  margin-bottom: 32px;
}

.terms-card {
  background: rgba(26, 32, 39, 0.6);
  border: 1px solid rgba(38, 166, 154, 0.2);
  border-radius: 12px;
  padding: 32px;
  margin-bottom: 32px;
  transition: all 0.3s ease;
}

.terms-card:hover {
  border-color: rgba(38, 166, 154, 0.4);
  transform: translateY(-2px);
}

.terms-card h2 {
  color: #26a69a;
  margin-top: 0;
  margin-bottom: 24px;
  font-size: 1.8rem;
}

.terms-card p {
  color: #b0b8c1;
  line-height: 1.7;
  margin-bottom: 16px;
}

.terms-card p:last-child {
  margin-bottom: 0;
}

.terms-card a {
  color: #26a69a;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.terms-card a:hover {
  color: #4db6ac;
  text-decoration: underline;
}

.contact-section {
  background: linear-gradient(135deg, rgba(38, 166, 154, 0.1), rgba(77, 182, 172, 0.05));
  border: 1px solid rgba(38, 166, 154, 0.2);
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  margin: 48px 0;
}

.contact-section h2 {
  font-size: 1.8rem;
  margin-bottom: 16px;
  color: #26a69a;
}

.contact-section p {
  font-size: 1.1rem;
  margin-bottom: 24px;
  color: #b0b8c1;
}

.contact-section a {
  color: #26a69a;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: color 0.2s ease;
}

.contact-section a:hover {
  color: #4db6ac;
}

/* Footer Styles */
footer {
  background-color: #10151b;
  padding: 1.5rem 0;
  margin-top: 2rem;
  border-top: 1px solid #1a2027;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  text-align: center;
}

.footer-links {
  margin-bottom: 1rem;
}

.footer-links a {
  color: #b0b8c1;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #fff;
}

.separator {
  margin: 0 0.5rem;
  color: #b0b8c1;
}

.copyright {
  color: #b0b8c1;
  font-size: 0.8rem;
}

/* Responsive Design */
@media (max-width: 900px) {
  main {
    flex-direction: column;
    align-items: center;
    padding: 32px 16px 0 16px;
  }
  .mockups {
    margin-top: 32px;
    gap: 16px;
    justify-content: center;
    width: 100%;
  }
  .hero {
    text-align: center;
    max-width: 600px;
  }
  .store-buttons {
    justify-content: center;
  }
  .screens-container {
    margin-top: 32px;
    justify-content: center;
    width: 100%;
  }
  .screens-scroll {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }
  .screens-img {
    width: 140px;
    margin-left: 0;
  }
}

@media (max-width: 768px) {
  header {
    padding: 20px 24px 0 24px;
    flex-wrap: wrap;
  }
  
  .header-left {
    flex-wrap: wrap;
    gap: 16px;
    width: 100%;
  }
  
  .app-brand {
    margin-right: 0;
  }
  
  .header-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    margin-top: 12px;
    gap: 16px;
  }

  .technical-content {
    padding: 32px 16px 64px 16px;
  }
  .tech-hero h1 {
    font-size: 2.5rem;
  }
  .section h2 {
    font-size: 1.8rem;
  }
  .architecture-grid,
  .stats-grid,
  .tech-stack {
    grid-template-columns: 1fr;
  }
  .cta-section {
    padding: 32px 24px;
  }
  .tech-badges {
    justify-content: center;
  }
  .terms-content {
    padding: 32px 16px 64px 16px;
  }
  .terms-hero h1 {
    font-size: 2.5rem;
  }
  .section h2 {
    font-size: 1.8rem;
  }
  .terms-card {
    padding: 24px;
  }
  .contact-section {
    padding: 24px;
  }
}

@media (max-width: 600px) {
  header {
    padding: 16px 16px 0 16px;
  }
  
  .app-name {
    font-size: 1.4rem;
  }
  
  .app-icon {
    width: 32px;
    height: 32px;
    margin-right: 8px;
  }
  
  .header-nav {
    gap: 12px;
    margin-top: 8px;
  }
  
  .header-nav a {
    font-size: 0.9rem;
    padding: 6px 10px;
  }

  main {
    padding: 24px 8px 0 8px;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .phone-mockup {
    width: 140px;
    height: 280px;
  }
  .screens-img {
    width: 100px;
  }
  .support-container {
    padding: 1rem;
  }
  .contact-methods {
    gap: 0.75rem;
  }
}

@media (max-width: 480px) {
  header {
    padding: 12px 12px 0 12px;
  }
  
  .app-name {
    font-size: 1.2rem;
    letter-spacing: 0.5px;
  }
  
  .app-icon {
    width: 28px;
    height: 28px;
    margin-right: 6px;
  }
  
  .header-nav a {
    font-size: 0.85rem;
    padding: 5px 8px;
  }
}